diff options
Diffstat (limited to 'libXaw/src')
49 files changed, 46849 insertions, 46788 deletions
diff --git a/libXaw/src/Actions.c b/libXaw/src/Actions.c index 996db3180..b927e6ac5 100644 --- a/libXaw/src/Actions.c +++ b/libXaw/src/Actions.c @@ -1,1137 +1,1137 @@ -/* - * Copyright (c) 1998 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <ctype.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <X11/Xmd.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/CoreP.h> -#include <X11/Constraint.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xfuncs.h> -#include "Private.h" - -#ifdef __UNIXOS2__ -static char dummy; -#endif - -#ifndef OLDXAW - -/* - * Definitions - */ -#define ERROR -2 -#define END -1 -#define BOOLEAN 0 -#define AND '&' -#define OR '|' -#define XOR '^' -#define NOT '~' -#define LP '(' -#define RP ')' - -/* - * Types - */ -/* boolean expressions */ -typedef struct _XawEvalInfo { - Widget widget; - XawActionResList *rlist; - XawActionVarList *vlist; - XawParseBooleanProc parse_proc; - XEvent *event; - char *cp, *lp; - int token; - Bool value; -} XawEvalInfo; - -/* resources */ -typedef struct _XawActionRes { - XrmQuark qname; - XrmQuark qtype; - Cardinal size; -} XawActionRes; - -struct _XawActionResList { - WidgetClass widget_class; - XawActionRes **resources; - Cardinal num_common_resources; - Cardinal num_constraint_resources; -}; - -/* variables */ -typedef struct _XawActionVar { - XrmQuark qname; - XrmQuark qvalue; -} XawActionVar; - -struct _XawActionVarList { - Widget widget; - Cardinal num_variables; - XawActionVar **variables; -}; - -/* - * Private methods - */ -/* expressions */ -static int get_token(XawEvalInfo*); -static Bool expr(XawEvalInfo*); -static Bool and(XawEvalInfo*); -static Bool prim(XawEvalInfo*); - -/* resources */ -static String XawConvertActionRes(XawActionResList*, Widget w, String); - -static String _XawEscapeActionVarValue(String); -static String _XawUnescapeActionVarValue(String); -static XawActionResList *_XawCreateActionResList(WidgetClass); -static XawActionResList *_XawFindActionResList(WidgetClass); -static void _XawBindActionResList(XawActionResList*); -static XawActionRes *_XawFindActionRes(XawActionResList*, Widget, String); -static int qcmp_action_resource_list(_Xconst void*, _Xconst void*); -static int bcmp_action_resource_list(_Xconst void*, _Xconst void*); -static int qcmp_action_resource(_Xconst void*, _Xconst void*); -static int bcmp_action_resource(_Xconst void*, _Xconst void*); - -/* variables */ -static String XawConvertActionVar(XawActionVarList*, String); -static void XawDeclareActionVar(XawActionVarList*, String, String); - -static XawActionVarList *_XawCreateActionVarList(Widget); -static XawActionVarList *_XawFindActionVarList(Widget); -static XawActionVar *_XawCreateActionVar(XawActionVarList*, String); -static XawActionVar *_XawFindActionVar(XawActionVarList*, String); -static void _XawDestroyActionVarList(Widget, XtPointer, XtPointer); - -/* - * Initialization - */ -/* resources */ -static XawActionResList **resource_list; -static Cardinal num_resource_list; - -/* variables */ -static XawActionVarList **variable_list; -static Cardinal num_variable_list; - -/* - * Implementation - */ -/* - * Start of Boolean Expression Evaluation Implementation Code - */ -Bool -XawParseBoolean(Widget w, String param, XEvent *event, Bool *succed) -{ - char *tmp = param; - int value; - - if (!param) - return (False); - - value = (int)strtod(param, &tmp); - if (*tmp == '\0') - return (value); - - if (XmuCompareISOLatin1(param, "true") == 0 - || XmuCompareISOLatin1(param, "yes") == 0 - || XmuCompareISOLatin1(param, "on") == 0 - || XmuCompareISOLatin1(param, "in") == 0 - || XmuCompareISOLatin1(param, "up") == 0) - return (True); - else if (XmuCompareISOLatin1(param, "false") == 0 - || XmuCompareISOLatin1(param, "no") == 0 - || XmuCompareISOLatin1(param, "off") == 0 - || XmuCompareISOLatin1(param, "out") == 0 - || XmuCompareISOLatin1(param, "down") == 0) - ; - else if (XmuCompareISOLatin1(param, "my") == 0 - || XmuCompareISOLatin1(param, "mine") == 0) - return (event->xany.window == XtWindow(w)); - else if (XmuCompareISOLatin1(param, "faked") == 0) - return (event->xany.send_event != 0); - else - *succed = False; - - return (False); -} - -Bool -XawBooleanExpression(Widget w, String param, XEvent *event) -{ - XawEvalInfo info; - Bool retval; - - if (!param) - return (False); - - info.widget = w; - - info.rlist = XawGetActionResList(XtClass(w)); - info.vlist = XawGetActionVarList(w); - - /* - * Verify widget class, in case we will allow the parse proc procedure - * as a widget class element, or if we allow overriding the default - * parse boolean proc. - */ - info.parse_proc = XawParseBoolean; - - info.event = event; - info.cp = info.lp = param; - -#ifdef DIAGNOSTIC - fprintf(stderr, "(*) Parsing expression \"%s\"\n", param); -#endif - - (void)get_token(&info); - if (info.token == ERROR) - return (False); - retval = expr(&info); - - return (info.token != ERROR ? retval : False); -} - -static int -get_token(XawEvalInfo *info) -{ - int ch; - char *p, name[256]; - - info->lp = info->cp; - - /*COSTCOND*/ - while (1) /* eat white spaces */ - { - ch = *info->cp++; - if (isspace(ch)) - continue; - break; - } - - switch (ch) - { - case AND: case OR: case XOR: case NOT: case LP: case RP: - return (info->token = ch); - } - - /* It's a symbol name, resolve it. */ - if (ch == XAW_PRIV_VAR_PREFIX || isalnum(ch) || ch == '_' || ch == '\\') - { - Bool succed = True; - - p = info->cp - 1; - - while ((ch = *info->cp) && (isalnum(ch) || ch == '_')) - ++info->cp; - - strncpy(name, p, XawMin((int)sizeof(name) - 1, - (unsigned)(info->cp - p))); - name[XawMin((int)sizeof(name) -1, info->cp - p)] = '\0'; - - if (name[0] == XAW_PRIV_VAR_PREFIX) - { - String value = XawConvertActionVar(info->vlist, name); - - info->value = info->parse_proc(info->widget, value, info->event, - &succed) & 1; - } - else - { - info->value = info->parse_proc(info->widget, name, info->event, - &succed) & 1; - if (!succed) - { - String value = - XawConvertActionRes(info->rlist, info->widget, - name[0] == '\\' ? &name[1] : name); - /* '\\' may have been used to escape a resource name. - */ - - succed = True; - info->value = info->parse_proc(info->widget, value, info->event, - &succed) & 1; - if (!succed) - { - /* not a numeric value or boolean string */ - info->value = True; - succed = True; - } - } - } - if (succed) - return (info->token = BOOLEAN); - } - else if (ch == '\0') - return (info->token = END); - - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "evaluate(): bad token \"%c\" at \"%s\"", ch, info->cp - 1); - - XtAppWarning(XtWidgetToApplicationContext(info->widget), msg); - } - - return (info->token = ERROR); -} - -static Bool -expr(XawEvalInfo *info) -{ - Bool left = and(info); - - for (;;) - switch (info->token) - { - case OR: - (void)get_token(info); - left |= and(info); - break; - case XOR: - (void)get_token(info); - left ^= and(info); - break; - default: - return (left); - } - /* NOTREACHED */ -} - -static Bool -and(XawEvalInfo *info) -{ - Bool left = prim(info); - - for (;;) - switch (info->token) - { - case AND: - (void)get_token(info); - left &= prim(info); - break; - default: - return (left); - } - /* NOTREACHED */ -} - -static Bool -prim(XawEvalInfo *info) -{ - Bool e; - - switch (info->token) - { - case BOOLEAN: - e = info->value; - (void)get_token(info); - return (e); - case NOT: - (void)get_token(info); - return (!prim(info)); - case LP: - (void)get_token(info); - e = expr(info); - if (info->token != RP) - { - char msg[256]; - - info->token = ERROR; - XmuSnprintf(msg, sizeof(msg), - "evaluate(): expecting ), at \"%s\"", info->lp); - XtAppWarning(XtWidgetToApplicationContext(info->widget), msg); - return (False); - } - (void)get_token(info); - return (e); - case END: - return (True); - default: - { - char msg[256]; - - info->token = ERROR; - XmuSnprintf(msg, sizeof(msg), - "evaluate(): sintax error, at \"%s\"", info->lp); - XtAppWarning(XtWidgetToApplicationContext(info->widget), msg); - } return (False); - } - /* NOTREACHED */ -} - -/* - * Start of Resources Implementation Code - */ -void -XawSetValuesAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - Arg *arglist; - Cardinal num_args, count; - XawActionResList *rlist; - XawActionVarList *vlist; - XawActionRes *resource; - XrmValue from, to; - String value; - char c_1; - short c_2; - int c_4; -#ifdef LONG64 - long c_8; -#endif - - if (!(*num_params & 1)) - { - XawPrintActionErrorMsg("set-values", w, params, num_params); - return; - } - - if (!XawBooleanExpression(w, params[0], event)) - return; - - rlist = XawGetActionResList(XtClass(w)); - vlist = XawGetActionVarList(w); - - num_args = 0; - arglist = (Arg *)XtMalloc(sizeof(Arg) * ((*num_params) >> 1)); - - for (count = 1; count < *num_params; count += 2) - { - if ((resource = _XawFindActionRes(rlist, w, params[count])) == NULL) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "set-values(): bad resource name \"%s\"", - params[count]); - XtAppWarning(XtWidgetToApplicationContext(w), msg); - continue; - } - value = XawConvertActionVar(vlist, params[count + 1]); - from.size = strlen(value) + 1; - from.addr = value; - to.size = resource->size; - switch (to.size) - { - case 1: to.addr = (XPointer)&c_1; break; - case 2: to.addr = (XPointer)&c_2; break; - case 4: to.addr = (XPointer)&c_4; break; -#ifdef LONG64 - case 8: to.addr = (XPointer)&c_8; break; -#endif - default: - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "set-values(): bad resource size for \"%s\"", - params[count]); - XtAppWarning(XtWidgetToApplicationContext(w), msg); - } continue; - } - - if (strcmp(XtRString, XrmQuarkToString(resource->qtype)) == 0) -#ifdef LONG64 - c_8 = (long)from.addr; -#else - c_4 = (int)from.addr; -#endif - else if (!XtConvertAndStore(w, XtRString, &from, - XrmQuarkToString(resource->qtype), &to)) - continue; - - switch (to.size) - { - case 1: - XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_1); - break; - case 2: - XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_2); - break; - case 4: - XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_4); - break; -#ifdef LONG64 - case 8: - XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_8); - break; -#endif - } - ++num_args; - } - - XtSetValues(w, arglist, num_args); - XtFree((char *)arglist); -} - -void -XawGetValuesAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - XawActionResList *rlist; - XawActionVarList *vlist; - String value; - Cardinal count; - - if (!(*num_params & 1)) - { - XawPrintActionErrorMsg("get-values", w, params, num_params); - return; - } - if (!XawBooleanExpression(w, params[0], event)) - return; - - rlist = XawGetActionResList(XtClass(w)); - vlist = XawGetActionVarList(w); - - for (count = 1; count < *num_params; count += 2) - { - if ((value = XawConvertActionRes(rlist, w, params[count + 1])) == NULL) - continue; - XawDeclareActionVar(vlist, params[count], value); - } -} - -void -XawDeclareAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - XawActionVarList *vlist; - Cardinal count; - - if (!(*num_params & 1)) - { - XawPrintActionErrorMsg("declare", w, params, num_params); - return; - } - if (!XawBooleanExpression(w, params[0], event)) - return; - - vlist = XawGetActionVarList(w); - - for (count = 1; count < *num_params; count += 2) - XawDeclareActionVar(vlist, params[count], params[count + 1]); -} - -void -XawCallProcAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - String *args; - Cardinal num_args; - - if (*num_params < 2) - { - XawPrintActionErrorMsg("call-proc", w, params, num_params); - return; - } - - if (*num_params && !XawBooleanExpression(w, params[0], event)) - return; - - if (*num_params > 2) - { - args = ¶ms[2]; - num_args = *num_params - 2; - } - else - { - args = NULL; - num_args = 0; - } - - XtCallActionProc(w, params[1], event, args, num_args); -} - -static String -XawConvertActionRes(XawActionResList *list, Widget w, String name) -{ - XawActionRes *resource; - XrmValue from, to; - Arg arg; - char c_1; - short c_2; - int c_4; -#ifdef LONG64 - long c_8; -#endif - - if ((resource = _XawFindActionRes(list, w, name)) == NULL) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "convert(): bad resource name \"%s\"", name); - XtAppWarning(XtWidgetToApplicationContext(w), msg); - return (NULL); - } - - from.size = resource->size; - switch (from.size) - { - case 1: - XtSetArg(arg, XrmQuarkToString(resource->qname), - from.addr = (XPointer)&c_1); - break; - case 2: - XtSetArg(arg, XrmQuarkToString(resource->qname), - from.addr = (XPointer)&c_2); - break; - case 4: - XtSetArg(arg, XrmQuarkToString(resource->qname), - from.addr = (XPointer)&c_4); - break; -#ifdef LONG64 - case 8: - XtSetArg(arg, XrmQuarkToString(resource->qname), - from.addr = (XPointer)&c_8); - break; -#endif - default: - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "convert(): bad resource size for \"%s\"", name); - XtAppWarning(XtWidgetToApplicationContext(w), name); - } return (NULL); - } - - XtGetValues(w, &arg, 1); - to.size = sizeof(String); - to.addr = NULL; - - if (strcmp(XtRString, XrmQuarkToString(resource->qtype)) == 0) - to.addr = *(char **)from.addr; - else if (!XtConvertAndStore(w, XrmQuarkToString(resource->qtype), - &from, XtRString, &to)) - return (NULL); - - return ((String)to.addr); -} - -void -XawPrintActionErrorMsg(String action_name, Widget w, - String *params, Cardinal *num_params) -{ - char msg[1024]; - unsigned int size, idx; - - size = XmuSnprintf(msg, sizeof(msg), "%s(): bad number of parameters.\n\t(", - action_name); - - idx = 0; - while (idx < *num_params - 1 && size < sizeof(msg)) - size += XmuSnprintf(&msg[size], sizeof(msg) - size, "%s, ", - params[idx++]); - if (*num_params) - XmuSnprintf(&msg[size], sizeof(msg) - size, "%s)", params[idx]); - else - XmuSnprintf(&msg[size], sizeof(msg) - size, ")"); - XtAppWarning(XtWidgetToApplicationContext(w), msg); -} - -XawActionResList * -XawGetActionResList(WidgetClass wc) -{ - XawActionResList *list; - - list = _XawFindActionResList(wc); - - if (!list) - list = _XawCreateActionResList(wc); - - return (list); -} - -static int -qcmp_action_resource_list(register _Xconst void *left, - register _Xconst void *right) -{ - return ((char *)((*(XawActionResList **)left)->widget_class) - - (char *)((*(XawActionResList **)right)->widget_class)); -} - -static XawActionResList * -_XawCreateActionResList(WidgetClass wc) -{ - XawActionResList *list; - - list = (XawActionResList *)XtMalloc(sizeof(XawActionResList)); - list->widget_class = wc; - list->num_common_resources = list->num_constraint_resources = 0; - list->resources = NULL; - - if (!resource_list) - { - num_resource_list = 1; - resource_list = (XawActionResList **)XtMalloc(sizeof(XawActionResList*)); - resource_list[0] = list; - } - else - { - ++num_resource_list; - resource_list = (XawActionResList **)XtRealloc((char *)resource_list, - sizeof(XawActionResList*) - * num_resource_list); - resource_list[num_resource_list - 1] = list; - qsort(resource_list, num_resource_list, sizeof(XawActionResList*), - qcmp_action_resource_list); - } - - _XawBindActionResList(list); - - return (list); -} - -static int -bcmp_action_resource_list(register _Xconst void *wc, - register _Xconst void *list) -{ - return ((char *)wc - (char *)((*(XawActionResList **)list)->widget_class)); -} - -static XawActionResList * -_XawFindActionResList(WidgetClass wc) -{ - XawActionResList **list; - - if (!resource_list) - return (NULL); - - list = (XawActionResList **)bsearch(wc, resource_list, - num_resource_list, - sizeof(XawActionResList*), - bcmp_action_resource_list); - - return (list ? *list : NULL); -} - -static int -qcmp_action_resource(register _Xconst void *left, - register _Xconst void *right) -{ - return (strcmp(XrmQuarkToString((*(XawActionRes **)left)->qname), - XrmQuarkToString((*(XawActionRes **)right)->qname))); -} - -static void -_XawBindActionResList(XawActionResList *list) -{ - XtResourceList xt_list, cons_list; - Cardinal i, num_xt, num_cons; - -#ifdef DIAGNOSTIC - fprintf(stderr, "(*) Creating resource list for class \'%s\'\n---------\n", - list->widget_class->core_class.class_name); -#endif - - XtGetResourceList(list->widget_class, &xt_list, &num_xt); - XtGetConstraintResourceList(list->widget_class, &cons_list, &num_cons); - list->num_common_resources = num_xt; - list->num_constraint_resources = num_cons; - - list->resources = (XawActionRes **) - XtMalloc(sizeof(XawActionRes*) * (num_xt + num_cons)); - -#ifdef DIAGNOSTIC - fprintf(stderr, "Common resources\n---\n"); -#endif - - for (i = 0; i < num_xt; i++) - { - list->resources[i] = (XawActionRes *)XtMalloc(sizeof(XawActionRes)); - list->resources[i]->qname = - XrmPermStringToQuark(xt_list[i].resource_name); - list->resources[i]->qtype = - XrmPermStringToQuark(xt_list[i].resource_type); - list->resources[i]->size = xt_list[i].resource_size; - -#ifdef DIAGNOSTIC - fprintf(stderr, "%-20s\t%-20s\t(%d)\n", - xt_list[i].resource_name, - xt_list[i].resource_type, - xt_list[i].resource_size); -#endif - } - -#ifdef DIAGNOSTIC - fprintf(stderr, "---\nContraint resources\n---"); -#endif - - for (; i < num_xt + num_cons; i++) - { - list->resources[i] = (XawActionRes *)XtMalloc(sizeof(XawActionRes)); - list->resources[i]->qname = - XrmPermStringToQuark(cons_list[i - num_xt].resource_name); - list->resources[i]->qtype = - XrmPermStringToQuark(cons_list[i - num_xt].resource_type); - list->resources[i]->size = cons_list[i - num_xt].resource_size; - -#ifdef DIAGNOSTIC - fprintf(stderr, "%-20s\t%-20s\t(%d)\n", - cons_list[i - num_xt].resource_name, - cons_list[i - num_xt].resource_type, - cons_list[i - num_xt].resource_size); -#endif - } - -#ifdef DIAGNOSTIC - fprintf(stderr, "---\n"); -#endif - - XtFree((char *)xt_list); - if (cons_list) - XtFree((char *)cons_list); - - qsort(list->resources, list->num_common_resources, sizeof(XawActionRes*), - qcmp_action_resource); - if (num_cons) - qsort(&list->resources[num_xt], list->num_constraint_resources, - sizeof(XawActionRes*), qcmp_action_resource); -} - -static int -bcmp_action_resource(register _Xconst void *string, - register _Xconst void *resource) -{ - return (strcmp((String)string, - XrmQuarkToString((*(XawActionRes **)resource)->qname))); -} - -static XawActionRes * -_XawFindActionRes(XawActionResList *list, Widget detail, String name) -{ - XawActionRes **res; - - if (!list->resources) - return (NULL); - - res = (XawActionRes **)bsearch(name, list->resources, - list->num_common_resources, - sizeof(XawActionRes*), bcmp_action_resource); - - if (!res && XtParent(detail) - && XtIsSubclass(XtParent(detail), constraintWidgetClass)) - { - XawActionResList *cons = XawGetActionResList(XtClass(XtParent(detail))); - - if (cons) - res = (XawActionRes **) - bsearch(name, &cons->resources[cons->num_common_resources], - cons->num_constraint_resources, - sizeof(XawActionRes*), bcmp_action_resource); - } - - return (res ? *res : NULL); -} - -/* - * Start of Variables Implementation Code - */ -/* For speed, only does memory allocation when really required */ -static String -_XawEscapeActionVarValue(String value) -{ - String escape; - - if (value[0] == '$' || value[0] == '\\') - { - escape = XtMalloc(strlen(value) + 2); - escape[0] = '\\'; - strcpy(escape + 1, value); - return (escape); - } - return (NULL); -} - -/* For speed, only does memory allocation when really required */ -static String -_XawUnescapeActionVarValue(String value) -{ - String unescape; - - if (value[0] == '\\') - { - unescape = XtMalloc(strlen(value)); - strcpy(unescape, value + 1); - return (unescape); - } - return (NULL); -} - -static void -XawDeclareActionVar(XawActionVarList *list, String name, String value) -{ - XawActionVar *variable; - String escape = NULL; - - if (name[0] != XAW_PRIV_VAR_PREFIX) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), "declare(): variable name must begin with " - "\'%c\', at %s = %s", XAW_PRIV_VAR_PREFIX, name, value); - XtAppWarning(XtWidgetToApplicationContext(list->widget), msg); - return; - } - variable = _XawFindActionVar(list, name); - if (!variable) - variable = _XawCreateActionVar(list, name); - if (value) - escape = _XawEscapeActionVarValue(value); - - if (variable->qvalue) - { - String val = escape ? escape : value; - - if (strcmp(XrmQuarkToString(variable->qvalue), val) == 0) - { - if (escape) - XtFree(escape); - return; - } - } - variable->qvalue = (escape ? XrmStringToQuark(escape) : - (value ? XrmStringToQuark(value) : NULLQUARK)); - if (escape) - XtFree(escape); -} - -static String -XawConvertActionVar(XawActionVarList *list, String name) -{ - XawActionVar *variable; - String unescape; - XrmQuark quark; - - if (name[0] != XAW_PRIV_VAR_PREFIX) - return (name); - - variable = _XawFindActionVar(list, name); - if (!variable || variable->qvalue == NULLQUARK) - return (name); - unescape = _XawUnescapeActionVarValue(XrmQuarkToString(variable->qvalue)); - if (unescape) - { - quark = XrmStringToQuark(unescape); - XtFree(unescape); - } - else - quark = variable->qvalue; - - return (XrmQuarkToString(quark)); -} - -XawActionVarList * -XawGetActionVarList(Widget w) -{ - XawActionVarList *list; - - list = _XawFindActionVarList(w); - if (!list) - list = _XawCreateActionVarList(w); - - return (list); -} - -static int -qcmp_action_variable_list(register _Xconst void *left, - register _Xconst void *right) -{ - return ((char *)((*(XawActionVarList **)left)->widget) - - (char *)((*(XawActionVarList **)right)->widget)); -} - -static XawActionVarList * -_XawCreateActionVarList(Widget w) -{ - XawActionVarList *list; - -#ifdef DIAGNOSTIC - fprintf(stderr, "(*) Creating action variable list for widget %s (%p)\n", - XtName(w), w); -#endif - - list = (XawActionVarList *)XtMalloc(sizeof(XawActionVarList)); - list->widget = w; - list->num_variables = 0; - list->variables = NULL; - - if (!variable_list) - { - num_variable_list = 1; - variable_list = (XawActionVarList **)XtMalloc(sizeof(XawActionVarList*)); - variable_list[0] = list; - } - else - { - ++num_variable_list; - variable_list = (XawActionVarList **) - XtRealloc((char *)variable_list, - sizeof(XawActionVarList *) * num_variable_list); - variable_list[num_variable_list - 1] = list; - qsort(variable_list, num_variable_list, sizeof(XawActionVarList*), - qcmp_action_variable_list); - } - - XtAddCallback(w, XtNdestroyCallback, _XawDestroyActionVarList, - (XtPointer)list); - - return (list); -} - -static int -bcmp_action_variable_list(register _Xconst void *widget, - register _Xconst void *list) -{ - return ((char *)widget - (char *)((*(XawActionVarList **)list)->widget)); -} - -static XawActionVarList * -_XawFindActionVarList(Widget w) -{ - XawActionVarList **list; - - if (!num_variable_list) - return (NULL); - - list = (XawActionVarList **)bsearch(w, variable_list, num_variable_list, - sizeof(XawActionVarList*), - bcmp_action_variable_list); - - return (list ? *list : NULL); -} - -static int -qcmp_action_variable(register _Xconst void *left, - register _Xconst void *right) -{ - return (strcmp(XrmQuarkToString((*(XawActionVar **)left)->qname), - XrmQuarkToString((*(XawActionVar **)right)->qname))); -} - -static XawActionVar * -_XawCreateActionVar(XawActionVarList *list, String name) -{ - XawActionVar *variable; - -#ifdef DIAGNOSTIC - fprintf(stderr, "(*) Creating action variable '%s' for widget %s (%p)\n", - name, XtName(list->widget), list->widget); -#endif - - variable = (XawActionVar *)XtMalloc(sizeof(XawActionVar)); - variable->qname = XrmStringToQuark(name); - variable->qvalue = NULLQUARK; - - if (!list->variables) - { - list->num_variables = 1; - list->variables = (XawActionVar **)XtMalloc(sizeof(XawActionVar*)); - list->variables[0] = variable; - } - else - { - ++list->num_variables; - list->variables = (XawActionVar **)XtRealloc((char *)list->variables, - sizeof(XawActionVar *) * - list->num_variables); - list->variables[list->num_variables - 1] = variable; - qsort(list->variables, list->num_variables, sizeof(XawActionVar*), - qcmp_action_variable); - } - return (variable); -} - -static int -bcmp_action_variable(register _Xconst void *string, - register _Xconst void *variable) -{ - return (strcmp((String)string, - XrmQuarkToString((*(XawActionVar **)variable)->qname))); -} - -static XawActionVar * -_XawFindActionVar(XawActionVarList *list, String name) -{ - XawActionVar **var; - - if (!list->variables) - return (NULL); - - var = (XawActionVar **)bsearch(name, list->variables, list->num_variables, - sizeof(XawActionVar*), bcmp_action_variable); - - return (var ? *var : NULL); -} - -/*ARGSUSED*/ -static void -_XawDestroyActionVarList(Widget w, XtPointer client_data, XtPointer call_data) -{ - XawActionVarList *list = (XawActionVarList *)client_data; - Cardinal i; - - for (i = 0; i < num_variable_list; i++) - if (variable_list[i] == list) - break; - if (i >= num_variable_list || list->widget != w - || variable_list[i]->widget != w) - { - XtWarning("destroy-variable-list(): Bad widget argument."); - return; - } - if (--num_variable_list > 0) - { - memmove(&variable_list[i], &variable_list[i + 1], - (num_variable_list - i) * sizeof(XawActionVarList *)); - variable_list = (XawActionVarList **) - XtRealloc((char *)variable_list, sizeof(XawActionVarList *) * - num_variable_list); - } - else - { - XtFree((char *)variable_list); - variable_list = NULL; - } - - XtFree((char *)list->variables); - XtFree((char *)list); -} - -#endif /* OLDXAW */ +/*
+ * Copyright (c) 1998 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <X11/Xmd.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/CoreP.h>
+#include <X11/Constraint.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xfuncs.h>
+#include "Private.h"
+
+#ifdef __UNIXOS2__
+static char dummy;
+#endif
+
+#ifndef OLDXAW
+
+/*
+ * Definitions
+ */
+#define ERROR -2
+#define END -1
+#define BOOLEAN 0
+#define AND '&'
+#define OR '|'
+#define XOR '^'
+#define NOT '~'
+#define LP '('
+#define RP ')'
+
+/*
+ * Types
+ */
+/* boolean expressions */
+typedef struct _XawEvalInfo {
+ Widget widget;
+ XawActionResList *rlist;
+ XawActionVarList *vlist;
+ XawParseBooleanProc parse_proc;
+ XEvent *event;
+ char *cp, *lp;
+ int token;
+ Bool value;
+} XawEvalInfo;
+
+/* resources */
+typedef struct _XawActionRes {
+ XrmQuark qname;
+ XrmQuark qtype;
+ Cardinal size;
+} XawActionRes;
+
+struct _XawActionResList {
+ WidgetClass widget_class;
+ XawActionRes **resources;
+ Cardinal num_common_resources;
+ Cardinal num_constraint_resources;
+};
+
+/* variables */
+typedef struct _XawActionVar {
+ XrmQuark qname;
+ XrmQuark qvalue;
+} XawActionVar;
+
+struct _XawActionVarList {
+ Widget widget;
+ Cardinal num_variables;
+ XawActionVar **variables;
+};
+
+/*
+ * Private methods
+ */
+/* expressions */
+static int get_token(XawEvalInfo*);
+static Bool expr(XawEvalInfo*);
+static Bool and(XawEvalInfo*);
+static Bool prim(XawEvalInfo*);
+
+/* resources */
+static String XawConvertActionRes(XawActionResList*, Widget w, String);
+
+static String _XawEscapeActionVarValue(String);
+static String _XawUnescapeActionVarValue(String);
+static XawActionResList *_XawCreateActionResList(WidgetClass);
+static XawActionResList *_XawFindActionResList(WidgetClass);
+static void _XawBindActionResList(XawActionResList*);
+static XawActionRes *_XawFindActionRes(XawActionResList*, Widget, String);
+static int qcmp_action_resource_list(_Xconst void*, _Xconst void*);
+static int bcmp_action_resource_list(_Xconst void*, _Xconst void*);
+static int qcmp_action_resource(_Xconst void*, _Xconst void*);
+static int bcmp_action_resource(_Xconst void*, _Xconst void*);
+
+/* variables */
+static String XawConvertActionVar(XawActionVarList*, String);
+static void XawDeclareActionVar(XawActionVarList*, String, String);
+
+static XawActionVarList *_XawCreateActionVarList(Widget);
+static XawActionVarList *_XawFindActionVarList(Widget);
+static XawActionVar *_XawCreateActionVar(XawActionVarList*, String);
+static XawActionVar *_XawFindActionVar(XawActionVarList*, String);
+static void _XawDestroyActionVarList(Widget, XtPointer, XtPointer);
+
+/*
+ * Initialization
+ */
+/* resources */
+static XawActionResList **resource_list;
+static Cardinal num_resource_list;
+
+/* variables */
+static XawActionVarList **variable_list;
+static Cardinal num_variable_list;
+
+/*
+ * Implementation
+ */
+/*
+ * Start of Boolean Expression Evaluation Implementation Code
+ */
+Bool
+XawParseBoolean(Widget w, String param, XEvent *event, Bool *succed)
+{
+ char *tmp = param;
+ int value;
+
+ if (!param)
+ return (False);
+
+ value = (int)strtod(param, &tmp);
+ if (*tmp == '\0')
+ return (value);
+
+ if (XmuCompareISOLatin1(param, "true") == 0
+ || XmuCompareISOLatin1(param, "yes") == 0
+ || XmuCompareISOLatin1(param, "on") == 0
+ || XmuCompareISOLatin1(param, "in") == 0
+ || XmuCompareISOLatin1(param, "up") == 0)
+ return (True);
+ else if (XmuCompareISOLatin1(param, "false") == 0
+ || XmuCompareISOLatin1(param, "no") == 0
+ || XmuCompareISOLatin1(param, "off") == 0
+ || XmuCompareISOLatin1(param, "out") == 0
+ || XmuCompareISOLatin1(param, "down") == 0)
+ ;
+ else if (XmuCompareISOLatin1(param, "my") == 0
+ || XmuCompareISOLatin1(param, "mine") == 0)
+ return (event->xany.window == XtWindow(w));
+ else if (XmuCompareISOLatin1(param, "faked") == 0)
+ return (event->xany.send_event != 0);
+ else
+ *succed = False;
+
+ return (False);
+}
+
+Bool
+XawBooleanExpression(Widget w, String param, XEvent *event)
+{
+ XawEvalInfo info;
+ Bool retval;
+
+ if (!param)
+ return (False);
+
+ info.widget = w;
+
+ info.rlist = XawGetActionResList(XtClass(w));
+ info.vlist = XawGetActionVarList(w);
+
+ /*
+ * Verify widget class, in case we will allow the parse proc procedure
+ * as a widget class element, or if we allow overriding the default
+ * parse boolean proc.
+ */
+ info.parse_proc = XawParseBoolean;
+
+ info.event = event;
+ info.cp = info.lp = param;
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "(*) Parsing expression \"%s\"\n", param);
+#endif
+
+ (void)get_token(&info);
+ if (info.token == ERROR)
+ return (False);
+ retval = expr(&info);
+
+ return (info.token != ERROR ? retval : False);
+}
+
+static int
+get_token(XawEvalInfo *info)
+{
+ int ch;
+ char *p, name[256];
+
+ info->lp = info->cp;
+
+ /*COSTCOND*/
+ while (1) /* eat white spaces */
+ {
+ ch = *info->cp++;
+ if (isspace(ch))
+ continue;
+ break;
+ }
+
+ switch (ch)
+ {
+ case AND: case OR: case XOR: case NOT: case LP: case RP:
+ return (info->token = ch);
+ }
+
+ /* It's a symbol name, resolve it. */
+ if (ch == XAW_PRIV_VAR_PREFIX || isalnum(ch) || ch == '_' || ch == '\\')
+ {
+ Bool succed = True;
+
+ p = info->cp - 1;
+
+ while ((ch = *info->cp) && (isalnum(ch) || ch == '_'))
+ ++info->cp;
+
+ strncpy(name, p, XawMin((int)sizeof(name) - 1,
+ (unsigned)(info->cp - p)));
+ name[XawMin((int)sizeof(name) -1, info->cp - p)] = '\0';
+
+ if (name[0] == XAW_PRIV_VAR_PREFIX)
+ {
+ String value = XawConvertActionVar(info->vlist, name);
+
+ info->value = info->parse_proc(info->widget, value, info->event,
+ &succed) & 1;
+ }
+ else
+ {
+ info->value = info->parse_proc(info->widget, name, info->event,
+ &succed) & 1;
+ if (!succed)
+ {
+ String value =
+ XawConvertActionRes(info->rlist, info->widget,
+ name[0] == '\\' ? &name[1] : name);
+ /* '\\' may have been used to escape a resource name.
+ */
+
+ succed = True;
+ info->value = info->parse_proc(info->widget, value, info->event,
+ &succed) & 1;
+ if (!succed)
+ {
+ /* not a numeric value or boolean string */
+ info->value = True;
+ succed = True;
+ }
+ }
+ }
+ if (succed)
+ return (info->token = BOOLEAN);
+ }
+ else if (ch == '\0')
+ return (info->token = END);
+
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "evaluate(): bad token \"%c\" at \"%s\"", ch, info->cp - 1);
+
+ XtAppWarning(XtWidgetToApplicationContext(info->widget), msg);
+ }
+
+ return (info->token = ERROR);
+}
+
+static Bool
+expr(XawEvalInfo *info)
+{
+ Bool left = and(info);
+
+ for (;;)
+ switch (info->token)
+ {
+ case OR:
+ (void)get_token(info);
+ left |= and(info);
+ break;
+ case XOR:
+ (void)get_token(info);
+ left ^= and(info);
+ break;
+ default:
+ return (left);
+ }
+ /* NOTREACHED */
+}
+
+static Bool
+and(XawEvalInfo *info)
+{
+ Bool left = prim(info);
+
+ for (;;)
+ switch (info->token)
+ {
+ case AND:
+ (void)get_token(info);
+ left &= prim(info);
+ break;
+ default:
+ return (left);
+ }
+ /* NOTREACHED */
+}
+
+static Bool
+prim(XawEvalInfo *info)
+{
+ Bool e;
+
+ switch (info->token)
+ {
+ case BOOLEAN:
+ e = info->value;
+ (void)get_token(info);
+ return (e);
+ case NOT:
+ (void)get_token(info);
+ return (!prim(info));
+ case LP:
+ (void)get_token(info);
+ e = expr(info);
+ if (info->token != RP)
+ {
+ char msg[256];
+
+ info->token = ERROR;
+ XmuSnprintf(msg, sizeof(msg),
+ "evaluate(): expecting ), at \"%s\"", info->lp);
+ XtAppWarning(XtWidgetToApplicationContext(info->widget), msg);
+ return (False);
+ }
+ (void)get_token(info);
+ return (e);
+ case END:
+ return (True);
+ default:
+ {
+ char msg[256];
+
+ info->token = ERROR;
+ XmuSnprintf(msg, sizeof(msg),
+ "evaluate(): sintax error, at \"%s\"", info->lp);
+ XtAppWarning(XtWidgetToApplicationContext(info->widget), msg);
+ } return (False);
+ }
+ /* NOTREACHED */
+}
+
+/*
+ * Start of Resources Implementation Code
+ */
+void
+XawSetValuesAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ Arg *arglist;
+ Cardinal num_args, count;
+ XawActionResList *rlist;
+ XawActionVarList *vlist;
+ XawActionRes *resource;
+ XrmValue from, to;
+ String value;
+ char c_1;
+ short c_2;
+ int c_4;
+#ifdef LONG64
+ long c_8;
+#endif
+
+ if (!(*num_params & 1))
+ {
+ XawPrintActionErrorMsg("set-values", w, params, num_params);
+ return;
+ }
+
+ if (!XawBooleanExpression(w, params[0], event))
+ return;
+
+ rlist = XawGetActionResList(XtClass(w));
+ vlist = XawGetActionVarList(w);
+
+ num_args = 0;
+ arglist = (Arg *)XtMalloc(sizeof(Arg) * ((*num_params) >> 1));
+
+ for (count = 1; count < *num_params; count += 2)
+ {
+ if ((resource = _XawFindActionRes(rlist, w, params[count])) == NULL)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "set-values(): bad resource name \"%s\"",
+ params[count]);
+ XtAppWarning(XtWidgetToApplicationContext(w), msg);
+ continue;
+ }
+ value = XawConvertActionVar(vlist, params[count + 1]);
+ from.size = strlen(value) + 1;
+ from.addr = value;
+ to.size = resource->size;
+ switch (to.size)
+ {
+ case 1: to.addr = (XPointer)&c_1; break;
+ case 2: to.addr = (XPointer)&c_2; break;
+ case 4: to.addr = (XPointer)&c_4; break;
+#ifdef LONG64
+ case 8: to.addr = (XPointer)&c_8; break;
+#endif
+ default:
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "set-values(): bad resource size for \"%s\"",
+ params[count]);
+ XtAppWarning(XtWidgetToApplicationContext(w), msg);
+ } continue;
+ }
+
+ if (strcmp(XtRString, XrmQuarkToString(resource->qtype)) == 0)
+#ifdef LONG64
+ c_8 = (long)from.addr;
+#else
+ c_4 = (int)from.addr;
+#endif
+ else if (!XtConvertAndStore(w, XtRString, &from,
+ XrmQuarkToString(resource->qtype), &to))
+ continue;
+
+ switch (to.size)
+ {
+ case 1:
+ XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_1);
+ break;
+ case 2:
+ XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_2);
+ break;
+ case 4:
+ XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_4);
+ break;
+#ifdef LONG64
+ case 8:
+ XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_8);
+ break;
+#endif
+ }
+ ++num_args;
+ }
+
+ XtSetValues(w, arglist, num_args);
+ XtFree((char *)arglist);
+}
+
+void
+XawGetValuesAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ XawActionResList *rlist;
+ XawActionVarList *vlist;
+ String value;
+ Cardinal count;
+
+ if (!(*num_params & 1))
+ {
+ XawPrintActionErrorMsg("get-values", w, params, num_params);
+ return;
+ }
+ if (!XawBooleanExpression(w, params[0], event))
+ return;
+
+ rlist = XawGetActionResList(XtClass(w));
+ vlist = XawGetActionVarList(w);
+
+ for (count = 1; count < *num_params; count += 2)
+ {
+ if ((value = XawConvertActionRes(rlist, w, params[count + 1])) == NULL)
+ continue;
+ XawDeclareActionVar(vlist, params[count], value);
+ }
+}
+
+void
+XawDeclareAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ XawActionVarList *vlist;
+ Cardinal count;
+
+ if (!(*num_params & 1))
+ {
+ XawPrintActionErrorMsg("declare", w, params, num_params);
+ return;
+ }
+ if (!XawBooleanExpression(w, params[0], event))
+ return;
+
+ vlist = XawGetActionVarList(w);
+
+ for (count = 1; count < *num_params; count += 2)
+ XawDeclareActionVar(vlist, params[count], params[count + 1]);
+}
+
+void
+XawCallProcAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ String *args;
+ Cardinal num_args;
+
+ if (*num_params < 2)
+ {
+ XawPrintActionErrorMsg("call-proc", w, params, num_params);
+ return;
+ }
+
+ if (*num_params && !XawBooleanExpression(w, params[0], event))
+ return;
+
+ if (*num_params > 2)
+ {
+ args = ¶ms[2];
+ num_args = *num_params - 2;
+ }
+ else
+ {
+ args = NULL;
+ num_args = 0;
+ }
+
+ XtCallActionProc(w, params[1], event, args, num_args);
+}
+
+static String
+XawConvertActionRes(XawActionResList *list, Widget w, String name)
+{
+ XawActionRes *resource;
+ XrmValue from, to;
+ Arg arg;
+ char c_1;
+ short c_2;
+ int c_4;
+#ifdef LONG64
+ long c_8;
+#endif
+
+ if ((resource = _XawFindActionRes(list, w, name)) == NULL)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "convert(): bad resource name \"%s\"", name);
+ XtAppWarning(XtWidgetToApplicationContext(w), msg);
+ return (NULL);
+ }
+
+ from.size = resource->size;
+ switch (from.size)
+ {
+ case 1:
+ XtSetArg(arg, XrmQuarkToString(resource->qname),
+ from.addr = (XPointer)&c_1);
+ break;
+ case 2:
+ XtSetArg(arg, XrmQuarkToString(resource->qname),
+ from.addr = (XPointer)&c_2);
+ break;
+ case 4:
+ XtSetArg(arg, XrmQuarkToString(resource->qname),
+ from.addr = (XPointer)&c_4);
+ break;
+#ifdef LONG64
+ case 8:
+ XtSetArg(arg, XrmQuarkToString(resource->qname),
+ from.addr = (XPointer)&c_8);
+ break;
+#endif
+ default:
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "convert(): bad resource size for \"%s\"", name);
+ XtAppWarning(XtWidgetToApplicationContext(w), name);
+ } return (NULL);
+ }
+
+ XtGetValues(w, &arg, 1);
+ to.size = sizeof(String);
+ to.addr = NULL;
+
+ if (strcmp(XtRString, XrmQuarkToString(resource->qtype)) == 0)
+ to.addr = *(char **)from.addr;
+ else if (!XtConvertAndStore(w, XrmQuarkToString(resource->qtype),
+ &from, XtRString, &to))
+ return (NULL);
+
+ return ((String)to.addr);
+}
+
+void
+XawPrintActionErrorMsg(String action_name, Widget w,
+ String *params, Cardinal *num_params)
+{
+ char msg[1024];
+ unsigned int size, idx;
+
+ size = XmuSnprintf(msg, sizeof(msg), "%s(): bad number of parameters.\n\t(",
+ action_name);
+
+ idx = 0;
+ while (idx < *num_params - 1 && size < sizeof(msg))
+ size += XmuSnprintf(&msg[size], sizeof(msg) - size, "%s, ",
+ params[idx++]);
+ if (*num_params)
+ XmuSnprintf(&msg[size], sizeof(msg) - size, "%s)", params[idx]);
+ else
+ XmuSnprintf(&msg[size], sizeof(msg) - size, ")");
+ XtAppWarning(XtWidgetToApplicationContext(w), msg);
+}
+
+XawActionResList *
+XawGetActionResList(WidgetClass wc)
+{
+ XawActionResList *list;
+
+ list = _XawFindActionResList(wc);
+
+ if (!list)
+ list = _XawCreateActionResList(wc);
+
+ return (list);
+}
+
+static int
+qcmp_action_resource_list(register _Xconst void *left,
+ register _Xconst void *right)
+{
+ return ((char *)((*(XawActionResList **)left)->widget_class) -
+ (char *)((*(XawActionResList **)right)->widget_class));
+}
+
+static XawActionResList *
+_XawCreateActionResList(WidgetClass wc)
+{
+ XawActionResList *list;
+
+ list = (XawActionResList *)XtMalloc(sizeof(XawActionResList));
+ list->widget_class = wc;
+ list->num_common_resources = list->num_constraint_resources = 0;
+ list->resources = NULL;
+
+ if (!resource_list)
+ {
+ num_resource_list = 1;
+ resource_list = (XawActionResList **)XtMalloc(sizeof(XawActionResList*));
+ resource_list[0] = list;
+ }
+ else
+ {
+ ++num_resource_list;
+ resource_list = (XawActionResList **)XtRealloc((char *)resource_list,
+ sizeof(XawActionResList*)
+ * num_resource_list);
+ resource_list[num_resource_list - 1] = list;
+ qsort(resource_list, num_resource_list, sizeof(XawActionResList*),
+ qcmp_action_resource_list);
+ }
+
+ _XawBindActionResList(list);
+
+ return (list);
+}
+
+static int
+bcmp_action_resource_list(register _Xconst void *wc,
+ register _Xconst void *list)
+{
+ return ((char *)wc - (char *)((*(XawActionResList **)list)->widget_class));
+}
+
+static XawActionResList *
+_XawFindActionResList(WidgetClass wc)
+{
+ XawActionResList **list;
+
+ if (!resource_list)
+ return (NULL);
+
+ list = (XawActionResList **)bsearch(wc, resource_list,
+ num_resource_list,
+ sizeof(XawActionResList*),
+ bcmp_action_resource_list);
+
+ return (list ? *list : NULL);
+}
+
+static int
+qcmp_action_resource(register _Xconst void *left,
+ register _Xconst void *right)
+{
+ return (strcmp(XrmQuarkToString((*(XawActionRes **)left)->qname),
+ XrmQuarkToString((*(XawActionRes **)right)->qname)));
+}
+
+static void
+_XawBindActionResList(XawActionResList *list)
+{
+ XtResourceList xt_list, cons_list;
+ Cardinal i, num_xt, num_cons;
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "(*) Creating resource list for class \'%s\'\n---------\n",
+ list->widget_class->core_class.class_name);
+#endif
+
+ XtGetResourceList(list->widget_class, &xt_list, &num_xt);
+ XtGetConstraintResourceList(list->widget_class, &cons_list, &num_cons);
+ list->num_common_resources = num_xt;
+ list->num_constraint_resources = num_cons;
+
+ list->resources = (XawActionRes **)
+ XtMalloc(sizeof(XawActionRes*) * (num_xt + num_cons));
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "Common resources\n---\n");
+#endif
+
+ for (i = 0; i < num_xt; i++)
+ {
+ list->resources[i] = (XawActionRes *)XtMalloc(sizeof(XawActionRes));
+ list->resources[i]->qname =
+ XrmPermStringToQuark(xt_list[i].resource_name);
+ list->resources[i]->qtype =
+ XrmPermStringToQuark(xt_list[i].resource_type);
+ list->resources[i]->size = xt_list[i].resource_size;
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "%-20s\t%-20s\t(%d)\n",
+ xt_list[i].resource_name,
+ xt_list[i].resource_type,
+ xt_list[i].resource_size);
+#endif
+ }
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "---\nContraint resources\n---");
+#endif
+
+ for (; i < num_xt + num_cons; i++)
+ {
+ list->resources[i] = (XawActionRes *)XtMalloc(sizeof(XawActionRes));
+ list->resources[i]->qname =
+ XrmPermStringToQuark(cons_list[i - num_xt].resource_name);
+ list->resources[i]->qtype =
+ XrmPermStringToQuark(cons_list[i - num_xt].resource_type);
+ list->resources[i]->size = cons_list[i - num_xt].resource_size;
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "%-20s\t%-20s\t(%d)\n",
+ cons_list[i - num_xt].resource_name,
+ cons_list[i - num_xt].resource_type,
+ cons_list[i - num_xt].resource_size);
+#endif
+ }
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "---\n");
+#endif
+
+ XtFree((char *)xt_list);
+ if (cons_list)
+ XtFree((char *)cons_list);
+
+ qsort(list->resources, list->num_common_resources, sizeof(XawActionRes*),
+ qcmp_action_resource);
+ if (num_cons)
+ qsort(&list->resources[num_xt], list->num_constraint_resources,
+ sizeof(XawActionRes*), qcmp_action_resource);
+}
+
+static int
+bcmp_action_resource(register _Xconst void *string,
+ register _Xconst void *resource)
+{
+ return (strcmp((String)string,
+ XrmQuarkToString((*(XawActionRes **)resource)->qname)));
+}
+
+static XawActionRes *
+_XawFindActionRes(XawActionResList *list, Widget detail, String name)
+{
+ XawActionRes **res;
+
+ if (!list->resources)
+ return (NULL);
+
+ res = (XawActionRes **)bsearch(name, list->resources,
+ list->num_common_resources,
+ sizeof(XawActionRes*), bcmp_action_resource);
+
+ if (!res && XtParent(detail)
+ && XtIsSubclass(XtParent(detail), constraintWidgetClass))
+ {
+ XawActionResList *cons = XawGetActionResList(XtClass(XtParent(detail)));
+
+ if (cons)
+ res = (XawActionRes **)
+ bsearch(name, &cons->resources[cons->num_common_resources],
+ cons->num_constraint_resources,
+ sizeof(XawActionRes*), bcmp_action_resource);
+ }
+
+ return (res ? *res : NULL);
+}
+
+/*
+ * Start of Variables Implementation Code
+ */
+/* For speed, only does memory allocation when really required */
+static String
+_XawEscapeActionVarValue(String value)
+{
+ String escape;
+
+ if (value[0] == '$' || value[0] == '\\')
+ {
+ escape = XtMalloc(strlen(value) + 2);
+ escape[0] = '\\';
+ strcpy(escape + 1, value);
+ return (escape);
+ }
+ return (NULL);
+}
+
+/* For speed, only does memory allocation when really required */
+static String
+_XawUnescapeActionVarValue(String value)
+{
+ String unescape;
+
+ if (value[0] == '\\')
+ {
+ unescape = XtMalloc(strlen(value));
+ strcpy(unescape, value + 1);
+ return (unescape);
+ }
+ return (NULL);
+}
+
+static void
+XawDeclareActionVar(XawActionVarList *list, String name, String value)
+{
+ XawActionVar *variable;
+ String escape = NULL;
+
+ if (name[0] != XAW_PRIV_VAR_PREFIX)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg), "declare(): variable name must begin with "
+ "\'%c\', at %s = %s", XAW_PRIV_VAR_PREFIX, name, value);
+ XtAppWarning(XtWidgetToApplicationContext(list->widget), msg);
+ return;
+ }
+ variable = _XawFindActionVar(list, name);
+ if (!variable)
+ variable = _XawCreateActionVar(list, name);
+ if (value)
+ escape = _XawEscapeActionVarValue(value);
+
+ if (variable->qvalue)
+ {
+ String val = escape ? escape : value;
+
+ if (strcmp(XrmQuarkToString(variable->qvalue), val) == 0)
+ {
+ if (escape)
+ XtFree(escape);
+ return;
+ }
+ }
+ variable->qvalue = (escape ? XrmStringToQuark(escape) :
+ (value ? XrmStringToQuark(value) : NULLQUARK));
+ if (escape)
+ XtFree(escape);
+}
+
+static String
+XawConvertActionVar(XawActionVarList *list, String name)
+{
+ XawActionVar *variable;
+ String unescape;
+ XrmQuark quark;
+
+ if (name[0] != XAW_PRIV_VAR_PREFIX)
+ return (name);
+
+ variable = _XawFindActionVar(list, name);
+ if (!variable || variable->qvalue == NULLQUARK)
+ return (name);
+ unescape = _XawUnescapeActionVarValue(XrmQuarkToString(variable->qvalue));
+ if (unescape)
+ {
+ quark = XrmStringToQuark(unescape);
+ XtFree(unescape);
+ }
+ else
+ quark = variable->qvalue;
+
+ return (XrmQuarkToString(quark));
+}
+
+XawActionVarList *
+XawGetActionVarList(Widget w)
+{
+ XawActionVarList *list;
+
+ list = _XawFindActionVarList(w);
+ if (!list)
+ list = _XawCreateActionVarList(w);
+
+ return (list);
+}
+
+static int
+qcmp_action_variable_list(register _Xconst void *left,
+ register _Xconst void *right)
+{
+ return ((char *)((*(XawActionVarList **)left)->widget) -
+ (char *)((*(XawActionVarList **)right)->widget));
+}
+
+static XawActionVarList *
+_XawCreateActionVarList(Widget w)
+{
+ XawActionVarList *list;
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "(*) Creating action variable list for widget %s (%p)\n",
+ XtName(w), w);
+#endif
+
+ list = (XawActionVarList *)XtMalloc(sizeof(XawActionVarList));
+ list->widget = w;
+ list->num_variables = 0;
+ list->variables = NULL;
+
+ if (!variable_list)
+ {
+ num_variable_list = 1;
+ variable_list = (XawActionVarList **)XtMalloc(sizeof(XawActionVarList*));
+ variable_list[0] = list;
+ }
+ else
+ {
+ ++num_variable_list;
+ variable_list = (XawActionVarList **)
+ XtRealloc((char *)variable_list,
+ sizeof(XawActionVarList *) * num_variable_list);
+ variable_list[num_variable_list - 1] = list;
+ qsort(variable_list, num_variable_list, sizeof(XawActionVarList*),
+ qcmp_action_variable_list);
+ }
+
+ XtAddCallback(w, XtNdestroyCallback, _XawDestroyActionVarList,
+ (XtPointer)list);
+
+ return (list);
+}
+
+static int
+bcmp_action_variable_list(register _Xconst void *widget,
+ register _Xconst void *list)
+{
+ return ((char *)widget - (char *)((*(XawActionVarList **)list)->widget));
+}
+
+static XawActionVarList *
+_XawFindActionVarList(Widget w)
+{
+ XawActionVarList **list;
+
+ if (!num_variable_list)
+ return (NULL);
+
+ list = (XawActionVarList **)bsearch(w, variable_list, num_variable_list,
+ sizeof(XawActionVarList*),
+ bcmp_action_variable_list);
+
+ return (list ? *list : NULL);
+}
+
+static int
+qcmp_action_variable(register _Xconst void *left,
+ register _Xconst void *right)
+{
+ return (strcmp(XrmQuarkToString((*(XawActionVar **)left)->qname),
+ XrmQuarkToString((*(XawActionVar **)right)->qname)));
+}
+
+static XawActionVar *
+_XawCreateActionVar(XawActionVarList *list, String name)
+{
+ XawActionVar *variable;
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "(*) Creating action variable '%s' for widget %s (%p)\n",
+ name, XtName(list->widget), list->widget);
+#endif
+
+ variable = (XawActionVar *)XtMalloc(sizeof(XawActionVar));
+ variable->qname = XrmStringToQuark(name);
+ variable->qvalue = NULLQUARK;
+
+ if (!list->variables)
+ {
+ list->num_variables = 1;
+ list->variables = (XawActionVar **)XtMalloc(sizeof(XawActionVar*));
+ list->variables[0] = variable;
+ }
+ else
+ {
+ ++list->num_variables;
+ list->variables = (XawActionVar **)XtRealloc((char *)list->variables,
+ sizeof(XawActionVar *) *
+ list->num_variables);
+ list->variables[list->num_variables - 1] = variable;
+ qsort(list->variables, list->num_variables, sizeof(XawActionVar*),
+ qcmp_action_variable);
+ }
+ return (variable);
+}
+
+static int
+bcmp_action_variable(register _Xconst void *string,
+ register _Xconst void *variable)
+{
+ return (strcmp((String)string,
+ XrmQuarkToString((*(XawActionVar **)variable)->qname)));
+}
+
+static XawActionVar *
+_XawFindActionVar(XawActionVarList *list, String name)
+{
+ XawActionVar **var;
+
+ if (!list->variables)
+ return (NULL);
+
+ var = (XawActionVar **)bsearch(name, list->variables, list->num_variables,
+ sizeof(XawActionVar*), bcmp_action_variable);
+
+ return (var ? *var : NULL);
+}
+
+/*ARGSUSED*/
+static void
+_XawDestroyActionVarList(Widget w, XtPointer client_data, XtPointer call_data)
+{
+ XawActionVarList *list = (XawActionVarList *)client_data;
+ Cardinal i;
+
+ for (i = 0; i < num_variable_list; i++)
+ if (variable_list[i] == list)
+ break;
+ if (i >= num_variable_list || list->widget != w
+ || variable_list[i]->widget != w)
+ {
+ XtWarning("destroy-variable-list(): Bad widget argument.");
+ return;
+ }
+ if (--num_variable_list > 0)
+ {
+ memmove(&variable_list[i], &variable_list[i + 1],
+ (num_variable_list - i) * sizeof(XawActionVarList *));
+ variable_list = (XawActionVarList **)
+ XtRealloc((char *)variable_list, sizeof(XawActionVarList *) *
+ num_variable_list);
+ }
+ else
+ {
+ XtFree((char *)variable_list);
+ variable_list = NULL;
+ }
+
+ XtFree((char *)list->variables);
+ XtFree((char *)list);
+}
+
+#endif /* OLDXAW */
diff --git a/libXaw/src/AllWidgets.c b/libXaw/src/AllWidgets.c index 27be437e5..5d24e896b 100644 --- a/libXaw/src/AllWidgets.c +++ b/libXaw/src/AllWidgets.c @@ -1,118 +1,118 @@ -/* - -Copyright (c) 1991, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/Xmu/WidgetNode.h> -#include <X11/Xaw/AllWidgets.h> - -extern WidgetClass applicationShellWidgetClass; -extern WidgetClass asciiSinkObjectClass; -extern WidgetClass asciiSrcObjectClass; -extern WidgetClass asciiTextWidgetClass; -extern WidgetClass boxWidgetClass; -extern WidgetClass commandWidgetClass; -extern WidgetClass dialogWidgetClass; -extern WidgetClass formWidgetClass; -extern WidgetClass gripWidgetClass; -extern WidgetClass labelWidgetClass; -extern WidgetClass listWidgetClass; -extern WidgetClass menuButtonWidgetClass; -extern WidgetClass multiSinkObjectClass; -extern WidgetClass multiSrcObjectClass; -extern WidgetClass overrideShellWidgetClass; -extern WidgetClass panedWidgetClass; -extern WidgetClass pannerWidgetClass; -extern WidgetClass portholeWidgetClass; -extern WidgetClass repeaterWidgetClass; -extern WidgetClass scrollbarWidgetClass; -extern WidgetClass shellWidgetClass; -extern WidgetClass simpleMenuWidgetClass; -extern WidgetClass simpleWidgetClass; -extern WidgetClass smeBSBObjectClass; -extern WidgetClass smeLineObjectClass; -extern WidgetClass smeObjectClass; -extern WidgetClass stripChartWidgetClass; -extern WidgetClass textSinkObjectClass; -extern WidgetClass textSrcObjectClass; -extern WidgetClass textWidgetClass; -extern WidgetClass toggleWidgetClass; -extern WidgetClass topLevelShellWidgetClass; -extern WidgetClass transientShellWidgetClass; -extern WidgetClass treeWidgetClass; -extern WidgetClass vendorShellWidgetClass; -extern WidgetClass viewportWidgetClass; -extern WidgetClass wmShellWidgetClass; - -XmuWidgetNode XawWidgetArray[] = { -{ "applicationShell", &applicationShellWidgetClass }, -{ "asciiSink", &asciiSinkObjectClass }, -{ "asciiSrc", &asciiSrcObjectClass }, -{ "asciiText", &asciiTextWidgetClass }, -{ "box", &boxWidgetClass }, -{ "command", &commandWidgetClass }, -{ "composite", &compositeWidgetClass }, -{ "constraint", &constraintWidgetClass }, -{ "core", &coreWidgetClass }, -{ "dialog", &dialogWidgetClass }, -{ "form", &formWidgetClass }, -{ "grip", &gripWidgetClass }, -{ "label", &labelWidgetClass }, -{ "list", &listWidgetClass }, -{ "menuButton", &menuButtonWidgetClass }, -{ "multiSink", &multiSinkObjectClass }, -{ "multiSrc", &multiSrcObjectClass }, -{ "object", &objectClass }, -{ "overrideShell", &overrideShellWidgetClass }, -{ "paned", &panedWidgetClass }, -{ "panner", &pannerWidgetClass }, -{ "porthole", &portholeWidgetClass }, -{ "rect", &rectObjClass }, -{ "repeater", &repeaterWidgetClass }, -{ "scrollbar", &scrollbarWidgetClass }, -{ "shell", &shellWidgetClass }, -{ "simpleMenu", &simpleMenuWidgetClass }, -{ "simple", &simpleWidgetClass }, -{ "smeBSB", &smeBSBObjectClass }, -{ "smeLine", &smeLineObjectClass }, -{ "sme", &smeObjectClass }, -{ "stripChart", &stripChartWidgetClass }, -{ "textSink", &textSinkObjectClass }, -{ "textSrc", &textSrcObjectClass }, -{ "text", &textWidgetClass }, -{ "toggle", &toggleWidgetClass }, -{ "topLevelShell", &topLevelShellWidgetClass }, -{ "transientShell", &transientShellWidgetClass }, -{ "tree", &treeWidgetClass }, -{ "vendorShell", &vendorShellWidgetClass }, -{ "viewport", &viewportWidgetClass }, -{ "wmShell", &wmShellWidgetClass }, -}; - -int XawWidgetCount = XtNumber(XawWidgetArray); - +/*
+
+Copyright (c) 1991, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/Xmu/WidgetNode.h>
+#include <X11/Xaw/AllWidgets.h>
+
+extern WidgetClass applicationShellWidgetClass;
+extern WidgetClass asciiSinkObjectClass;
+extern WidgetClass asciiSrcObjectClass;
+extern WidgetClass asciiTextWidgetClass;
+extern WidgetClass boxWidgetClass;
+extern WidgetClass commandWidgetClass;
+extern WidgetClass dialogWidgetClass;
+extern WidgetClass formWidgetClass;
+extern WidgetClass gripWidgetClass;
+extern WidgetClass labelWidgetClass;
+extern WidgetClass listWidgetClass;
+extern WidgetClass menuButtonWidgetClass;
+extern WidgetClass multiSinkObjectClass;
+extern WidgetClass multiSrcObjectClass;
+extern WidgetClass overrideShellWidgetClass;
+extern WidgetClass panedWidgetClass;
+extern WidgetClass pannerWidgetClass;
+extern WidgetClass portholeWidgetClass;
+extern WidgetClass repeaterWidgetClass;
+extern WidgetClass scrollbarWidgetClass;
+extern WidgetClass shellWidgetClass;
+extern WidgetClass simpleMenuWidgetClass;
+extern WidgetClass simpleWidgetClass;
+extern WidgetClass smeBSBObjectClass;
+extern WidgetClass smeLineObjectClass;
+extern WidgetClass smeObjectClass;
+extern WidgetClass stripChartWidgetClass;
+extern WidgetClass textSinkObjectClass;
+extern WidgetClass textSrcObjectClass;
+extern WidgetClass textWidgetClass;
+extern WidgetClass toggleWidgetClass;
+extern WidgetClass topLevelShellWidgetClass;
+extern WidgetClass transientShellWidgetClass;
+extern WidgetClass treeWidgetClass;
+extern WidgetClass vendorShellWidgetClass;
+extern WidgetClass viewportWidgetClass;
+extern WidgetClass wmShellWidgetClass;
+
+XmuWidgetNode XawWidgetArray[] = {
+{ "applicationShell", &applicationShellWidgetClass },
+{ "asciiSink", &asciiSinkObjectClass },
+{ "asciiSrc", &asciiSrcObjectClass },
+{ "asciiText", &asciiTextWidgetClass },
+{ "box", &boxWidgetClass },
+{ "command", &commandWidgetClass },
+{ "composite", &compositeWidgetClass },
+{ "constraint", &constraintWidgetClass },
+{ "core", &coreWidgetClass },
+{ "dialog", &dialogWidgetClass },
+{ "form", &formWidgetClass },
+{ "grip", &gripWidgetClass },
+{ "label", &labelWidgetClass },
+{ "list", &listWidgetClass },
+{ "menuButton", &menuButtonWidgetClass },
+{ "multiSink", &multiSinkObjectClass },
+{ "multiSrc", &multiSrcObjectClass },
+{ "object", &objectClass },
+{ "overrideShell", &overrideShellWidgetClass },
+{ "paned", &panedWidgetClass },
+{ "panner", &pannerWidgetClass },
+{ "porthole", &portholeWidgetClass },
+{ "rect", &rectObjClass },
+{ "repeater", &repeaterWidgetClass },
+{ "scrollbar", &scrollbarWidgetClass },
+{ "shell", &shellWidgetClass },
+{ "simpleMenu", &simpleMenuWidgetClass },
+{ "simple", &simpleWidgetClass },
+{ "smeBSB", &smeBSBObjectClass },
+{ "smeLine", &smeLineObjectClass },
+{ "sme", &smeObjectClass },
+{ "stripChart", &stripChartWidgetClass },
+{ "textSink", &textSinkObjectClass },
+{ "textSrc", &textSrcObjectClass },
+{ "text", &textWidgetClass },
+{ "toggle", &toggleWidgetClass },
+{ "topLevelShell", &topLevelShellWidgetClass },
+{ "transientShell", &transientShellWidgetClass },
+{ "tree", &treeWidgetClass },
+{ "vendorShell", &vendorShellWidgetClass },
+{ "viewport", &viewportWidgetClass },
+{ "wmShell", &wmShellWidgetClass },
+};
+
+int XawWidgetCount = XtNumber(XawWidgetArray);
+
diff --git a/libXaw/src/AsciiSink.c b/libXaw/src/AsciiSink.c index 56f899c09..a20cf63d3 100644 --- a/libXaw/src/AsciiSink.c +++ b/libXaw/src/AsciiSink.c @@ -1,1948 +1,1948 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xatom.h> -#include <X11/Xaw/XawInit.h> -#include <X11/Xaw/AsciiSinkP.h> -#include <X11/Xaw/AsciiSrcP.h> -#include <X11/Xaw/TextP.h> -#include "Private.h" - -#ifdef GETLASTPOS -#undef GETLASTPOS /* We will use our own GETLASTPOS */ -#endif - -#define GETLASTPOS \ - XawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, True) - -/* - * Class Methods - */ -static void XawAsciiSinkClassPartInitialize(WidgetClass); -static void XawAsciiSinkInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawAsciiSinkDestroy(Widget); -static void XawAsciiSinkResize(Widget); -static Boolean XawAsciiSinkSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static int MaxLines(Widget, unsigned int); -static int MaxHeight(Widget, int); -static void SetTabs(Widget, int, short*); -static void DisplayText(Widget, int, int, - XawTextPosition, XawTextPosition, Bool); -static void InsertCursor(Widget, int, int, XawTextInsertState); -static void FindPosition(Widget, XawTextPosition, int, int, Bool, - XawTextPosition*, int*, int*); -static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*, - XawTextPosition*, int*); -static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*); -static void GetCursorBounds(Widget, XRectangle*); -#ifndef OLDXAW -static void AsciiPreparePaint(Widget, int, int, - XawTextPosition, XawTextPosition, Bool); -static void AsciiDoPaint(Widget); -#endif - -/* - * Prototypes - */ -static void GetGC(AsciiSinkObject); -static int CharWidth(AsciiSinkObject, XFontStruct*, int, unsigned int); -static unsigned int PaintText(Widget w, GC gc, int x, int y, - char *buf, int len, Bool); - -/* - * Defined in TextSink.c - */ -void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(AsciiSinkRec, ascii_sink.field) -static XtResource resources[] = { - { - XtNfont, - XtCFont, - XtRFontStruct, - sizeof(XFontStruct*), - offset(font), - XtRString, - XtDefaultFont - }, - { - XtNecho, - XtCOutput, - XtRBoolean, - sizeof(Boolean), - offset(echo), - XtRImmediate, - (XtPointer)True - }, - { - XtNdisplayNonprinting, - XtCOutput, - XtRBoolean, - sizeof(Boolean), - offset(display_nonprinting), - XtRImmediate, - (XtPointer) - True - }, -}; -#undef offset - -#define Superclass (&textSinkClassRec) -AsciiSinkClassRec asciiSinkClassRec = { - /* object */ - { - (WidgetClass)Superclass, /* superclass */ - "AsciiSink", /* class_name */ - sizeof(AsciiSinkRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - XawAsciiSinkClassPartInitialize, /* class_part_initialize */ - False, /* class_inited */ - XawAsciiSinkInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* obj1 */ - NULL, /* obj2 */ - 0, /* obj3 */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* obj4 */ - False, /* obj5 */ - False, /* obj6 */ - False, /* obj7 */ - XawAsciiSinkDestroy, /* destroy */ - (XtProc)XawAsciiSinkResize, /* obj8 */ - NULL, /* obj9 */ - XawAsciiSinkSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* obj10 */ - NULL, /* get_values_hook */ - NULL, /* obj11 */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* obj12 */ - NULL, /* obj13 */ - NULL, /* obj14 */ - NULL, /* extension */ - }, - /* text_sink */ - { - DisplayText, /* DisplayText */ - InsertCursor, /* InsertCursor */ - XtInheritClearToBackground, /* ClearToBackground */ - FindPosition, /* FindPosition */ - FindDistance, /* FindDistance */ - Resolve, /* Resolve */ - MaxLines, /* MaxLines */ - MaxHeight, /* MaxHeight */ - SetTabs, /* SetTabs */ - GetCursorBounds, /* GetCursorBounds */ -#ifndef OLDXAW - NULL /* extension */ -#endif - }, - /* ascii_sink */ - { - NULL, /* extension */ - } -}; - -WidgetClass asciiSinkObjectClass = (WidgetClass)&asciiSinkClassRec; - -/* - * Implementation - */ -static void -XawAsciiSinkClassPartInitialize(WidgetClass wc) -{ -#ifndef OLDXAW - AsciiSinkObjectClass cclass = (AsciiSinkObjectClass)wc; - XrmQuark record_type = XrmPermStringToQuark("TextSink"); - TextSinkExt ext = cclass->text_sink_class.extension; - - while (ext) { - if (ext->record_type == record_type && - ext->version == 1) { - ext->PreparePaint = AsciiPreparePaint; - ext->DoPaint = AsciiDoPaint; - break; - } - ext = (TextSinkExt)ext->next_extension; - } - if (ext == NULL) - XtError("TextSinkClass: cannot resolve extension.\n"); -#endif -} - -static int -CharWidth(AsciiSinkObject sink, XFontStruct *font, int x, unsigned int c) -{ - int width = 0; - - if (c == XawLF) - return (0); - - if (c == XawTAB) { - int i; - Position *tab; - - width = x; - /* Adjust for Left Margin */ - x -= ((TextWidget)XtParent((Widget)sink))->text.left_margin; - - i = 0; - tab = sink->text_sink.tabs; - /*CONSTCOND*/ - while (1) { - if (x >= 0 && x < *tab) - return (*tab - x); - /* Start again */ - if (++i >= sink->text_sink.tab_count) { - x -= *tab; - i = 0; - tab = sink->text_sink.tabs; - if (width == x) - return (0); - } - else - ++tab; - } - /*NOTREACHED*/ - } - - if ((c & 0177) < XawSP || c == 0177) { - if (sink->ascii_sink.display_nonprinting) { - if (c > 0177) { - width = CharWidth(sink, font, x, '\\'); - width += CharWidth(sink, font, x, ((c >> 6) & 7) + '0'); - width += CharWidth(sink, font, x, ((c >> 3) & 7) + '0'); - c = (c & 7) + '0'; - } - else { - width = CharWidth(sink, font, x, '^'); - if ((c |= 0100) == 0177) - c = '?'; - } - } - else - c = XawSP; - } - - if (font->per_char - && (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) - width += font->per_char[c - font->min_char_or_byte2].width; - else - width += font->min_bounds.width; - - return (width); -} - -#ifndef OLDXAW -static int -GetTextWidth(TextWidget ctx, int current_width, XFontStruct *font, - XawTextPosition from, int length) -{ - int i, width = 0; - XawTextBlock block; - XawTextPosition pos = from; - - while (length > 0) { - pos = XawTextSourceRead(ctx->text.source, from, &block, length); - length -= pos - from; - from = pos; - for (i = 0; i < block.length; i++) - width += CharWidth((AsciiSinkObject)ctx->text.sink, font, - current_width + width, - (unsigned char)block.ptr[i]); - } - - return (width); -} - -static -void CalculateBearing(TextWidget ctx, XawTextPosition position, int x, int y, - int ascent, int descent, Bool highlight, Bool right) -{ -/* - * Sample case: - * - * lbearing| width |rbearing - * | | - * | #### - * | ### | - * | #### | - * | #### | - * | ########## | - * | #### | - * | #### | - * | #### | - * | #### | - * |### | - * #### | - * | | - * - */ - AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - XawTextPaintStruct *paint; - XawTextBlock block; - XFontStruct *font; - - property = NULL; - if (XawTextSourceAnchorAndEntity(ctx->text.source, position, - &anchor, &entity) && - (property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - else - font = sink->ascii_sink.font; - if (right) { - if (font->max_bounds.rbearing > 0) { - int rbearing = font->max_bounds.rbearing - font->max_bounds.width; - unsigned char c; - - (void)XawTextSourceRead(ctx->text.source, position, &block, 1); - c = *(unsigned char*)block.ptr; - if (c == '\t' || c == '\n') - c = ' '; - else if ((c & 0177) < XawSP || c == 0177) { - if (sink->ascii_sink.display_nonprinting) - c = c > 0177 ? (c & 7) + '0' : c + '@'; - else - c = ' '; - } - if (font->per_char && - (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) - rbearing = font->per_char[c - font->min_char_or_byte2].rbearing - - font->per_char[c - font->min_char_or_byte2].width; - if (rbearing > 0) { - paint = XtNew(XawTextPaintStruct); - paint->next = sink->text_sink.paint->bearings; - sink->text_sink.paint->bearings = paint; - paint->x = x - (paint->width = CharWidth(sink, font, 0, c)); - paint->y = y + ascent; - paint->property = property; - paint->max_ascent = ascent; - paint->max_descent = descent; - paint->backtabs = NULL; - paint->highlight = highlight; - paint->length = 1; - paint->text = XtMalloc(1); - paint->text[0] = c; - } - } - } - else { - if (font->min_bounds.lbearing < 0) { - int lbearing = font->min_bounds.lbearing; - unsigned char c; - - (void)XawTextSourceRead(ctx->text.source, position, &block, 1); - c = *(unsigned char*)block.ptr; - if (c == '\t' || c == '\n') - c = ' '; - else if ((c & 0177) < XawSP || c == 0177) { - if (sink->ascii_sink.display_nonprinting) - c = c > 0177 ? '\\' : c + '^'; - else - c = ' '; - } - if (font->per_char && - (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) - lbearing = font->per_char[c - font->min_char_or_byte2].lbearing; - if (lbearing < 0) { - paint = XtNew(XawTextPaintStruct); - paint->next = sink->text_sink.paint->bearings; - sink->text_sink.paint->bearings = paint; - paint->x = x; - paint->width = -CharWidth(sink, font, 0, c); - paint->y = y + ascent; - paint->property = property; - paint->max_ascent = ascent; - paint->max_descent = descent; - paint->backtabs = NULL; - paint->highlight = highlight; - paint->length = 1; - paint->text = XtMalloc(1); - paint->text[0] = c; - } - } - } -} - -static void -AsciiPreparePaint(Widget w, int y, int line, - XawTextPosition from, XawTextPosition to, Bool highlight) -{ - static XmuSegment segment; - static XmuScanline next; - static XmuScanline scanline = {0, &segment, &next}; - static XmuArea area = {&scanline}; - - TextWidget ctx = (TextWidget)XtParent(w); - AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; - XawTextPosition left, right, pos, pos2, tmp, length; - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - int i, ascent = 0, descent = 0, xl, xr, x = ctx->text.left_margin, bufsiz; - XawTextBlock block; - XFontStruct *font; - XawTextPaintStruct *paint; - - if (!sink->ascii_sink.echo) - return; - - /* pass 1: calculate ascent/descent values and x coordinate */ - /* XXX the MAX ascent/descent value should be in the line table XXX */ - /* XXX the x coordinate can be a parameter, but since it is required - to calculate the ascent/descent, do it here to avoid an extra - search in the entities */ - pos = tmp = left = ctx->text.lt.info[line].position; - right = ctx->text.lt.info[line + 1].position; - right = XawMin(right, ctx->text.lastPos + 1); - while (pos < right) { - if (XawTextSourceAnchorAndEntity(ctx->text.source, pos, - &anchor, &entity)) { - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - else - font = sink->ascii_sink.font; - tmp = pos; - pos = anchor->position + entity->offset + entity->length; - if ((length = XawMin(from, pos) - tmp) > 0) - x += GetTextWidth(ctx, x, font, tmp, length); - ascent = XawMax(font->ascent, ascent); - descent = XawMax(font->descent, descent); - } - else if (anchor) { - ascent = XawMax(sink->ascii_sink.font->ascent, ascent); - descent = XawMax(sink->ascii_sink.font->descent, descent); - while (entity && pos < right) { - tmp = pos; - if ((pos = anchor->position + entity->offset) < tmp) - pos = tmp; - else { - if ((length = XawMin(from, pos) - tmp) > 0) { - x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, - length); - tmp += length; - } - if (pos < right) { - pos += entity->length; - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - else - font = sink->ascii_sink.font; - if ((length = XawMin(from, pos) - tmp) > 0) - x += GetTextWidth(ctx, x, font, tmp, length); - ascent = XawMax(font->ascent, ascent); - descent = XawMax(font->descent, descent); - } - } - entity = entity->next; - } - - if (anchor->entities == NULL) { - tmp = XawMin(pos, from); - if ((length = from - tmp) > 0) - x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, length); - break; - } - } - else { - tmp = XawMin(pos, from); - if ((length = from - tmp) > 0) - x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, length); - ascent = XawMax(sink->ascii_sink.font->ascent, ascent); - descent = XawMax(sink->ascii_sink.font->descent, descent); - break; - } - } - if (!ascent) - ascent = sink->ascii_sink.font->ascent; - if (!descent) - descent = sink->ascii_sink.font->descent; - - xl = x; - - /* pass 2: feed the XawTextPaintStruct lists */ - pos = from; - while (pos < to) { - paint = XtNew(XawTextPaintStruct); - paint->next = sink->text_sink.paint->paint; - sink->text_sink.paint->paint = paint; - paint->x = x; - paint->y = y + ascent; - paint->property = NULL; - paint->max_ascent = ascent; - paint->max_descent = descent; - paint->backtabs = NULL; - paint->highlight = highlight; - - tmp = pos; - if (XawTextSourceAnchorAndEntity(ctx->text.source, pos, - &anchor, &entity)) { - pos = anchor->position + entity->offset + entity->length; - if ((paint->property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (paint->property->mask & XAW_TPROP_FONT)) - font = paint->property->font; - else - font = sink->ascii_sink.font; - } - else { - if (anchor) { - while (entity && anchor->position + entity->offset < pos) - entity = entity->next; - if (entity) - pos = anchor->position + entity->offset; - else - pos = to; - } - else - pos = to; - font = sink->ascii_sink.font; - } - pos = XawMin(pos, to); - length = pos - tmp; - - paint->text = XtMalloc(bufsiz = pos - tmp + 4); - paint->length = 0; - segment.x1 = x; - - pos2 = tmp; - while (length > 0) { - pos2 = XawTextSourceRead(ctx->text.source, tmp, &block, length); - length = pos - pos2; - tmp = pos2; - for (i = 0; i < block.length; i++) { - unsigned char c = (unsigned char)block.ptr[i]; - - if (paint->length + 4 > bufsiz) - paint->text = XtRealloc(paint->text, bufsiz += 32); - paint->text[paint->length] = c; - if (c == '\n') { - x += CharWidth(sink, font, 0, ' '); - continue; - } - if (c == '\t') { - x += XTextWidth(font, paint->text, paint->length); - segment.x2 = x + CharWidth(sink, font, x, '\t'); - - if (XmuValidSegment(&segment)) { - if (!highlight && (paint->property && - (paint->property->mask & XAW_TPROP_BACKGROUND))) { - if (ascent > font->ascent) { - scanline.y = y; - next.y = y + ascent - font->ascent; - XmuAreaOr(sink->text_sink.paint->clip, &area); - } - if (descent >= font->descent) { - scanline.y = y + ascent + font->descent; - next.y = scanline.y + descent - font->descent + 1; - XmuAreaOr(sink->text_sink.paint->clip, &area); - } - if (paint->backtabs == NULL) - paint->backtabs = XmuCreateArea(); - scanline.y = y + ascent - font->ascent; - next.y = y + ascent + font->descent; - XmuAreaOr(paint->backtabs, &area); - } - else { - scanline.y = y; - next.y = ctx->text.lt.info[line + 1].y; - if (highlight) { - if (!sink->text_sink.paint->hightabs) - sink->text_sink.paint->hightabs = - XmuCreateArea(); - XmuAreaOr(sink->text_sink.paint->hightabs, &area); - } - else - XmuAreaOr(sink->text_sink.paint->clip, &area); - } - } - - paint->width = segment.x2 - segment.x1; - x = segment.x1 = segment.x2; - - if (paint->length == 0) { - paint->x = x; - continue; - } - paint->text = XtRealloc(paint->text, paint->length); - property = paint->property; - paint = XtNew(XawTextPaintStruct); - paint->next = sink->text_sink.paint->paint; - sink->text_sink.paint->paint = paint; - paint->x = x; - paint->y = y + ascent; - paint->property = property; - paint->max_ascent = ascent; - paint->max_descent = descent; - paint->backtabs = NULL; - paint->highlight = highlight; - paint->text = XtMalloc(bufsiz = pos - tmp - length + - block.length - i + 4); - paint->length = 0; - continue; - } - if ((c & 0177) < XawSP || c == 0177) { - if (sink->ascii_sink.display_nonprinting) { - if (c > 0177) { - paint->text[paint->length++] = '\\'; - paint->text[paint->length++] = ((c >> 6) & 7) + '0'; - paint->text[paint->length++] = ((c >> 3) & 7) + '0'; - paint->text[paint->length] = (c & 7) + '0'; - } - else { - c |= 0100; - paint->text[paint->length++] = '^'; - paint->text[paint->length] = c == 0177 ? '?' : c; - } - } - else - paint->text[paint->length] = ' '; - } - paint->length++; - } - } - - x += XTextWidth(font, paint->text, paint->length); - segment.x2 = x; - if (XmuValidSegment(&segment)) { - /* erase only what really is needed */ - /*if (!highlight || (paint->property && - (paint->property->mask & XAW_TPROP_BACKGROUND))) { - if (ascent > font->ascent) { - scanline.y = y; - next.y = y + ascent - font->ascent; - XmuAreaOr(sink->text_sink.paint->clip, &area); - } - if (descent > font->descent) { - scanline.y = y + ascent + font->descent; - next.y = scanline.y + descent - font->descent; - XmuAreaOr(sink->text_sink.paint->clip, &area); - } - } - else*/ { - scanline.y = y; - next.y = ctx->text.lt.info[line + 1].y; - XmuAreaOr(sink->text_sink.paint->clip, &area); - } - } - - paint->width = x - segment.x1; - } - - xr = x; - - /* pass 3: bearing clipping */ - if (left < from) { - CalculateBearing(ctx, from - 1, xl, y, ascent, descent, highlight, True); - if (ctx->text.s.left < ctx->text.s.right) { - if (ctx->text.s.right == from) - CalculateBearing(ctx, from, xl, y, ascent, descent, True, False); - else if (ctx->text.s.left == from) - CalculateBearing(ctx, from, xl, y, ascent, descent, False, False); - } - } - right = XawMin(right, ctx->text.lastPos); - if (right >= to && to > from) { - if (to < right) - CalculateBearing(ctx, to, xr, y, ascent, descent, highlight, False); - if (ctx->text.s.left < ctx->text.s.right) { - if (ctx->text.s.right == to) - CalculateBearing(ctx, to - 1, xr, y, ascent, descent, False, True); - else if (ctx->text.s.left == to) - CalculateBearing(ctx, to - 1, xr, y, ascent, descent, True, True); - } - } -} - -static int -qcmp_paint_struct(_Xconst void *left, _Xconst void *right) -{ - return ((*(XawTextPaintStruct**)left)->property - - (*(XawTextPaintStruct**)right)->property); -} - -static void -AsciiDoPaint(Widget w) -{ - TextWidget ctx = (TextWidget)XtParent(w); - AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; - XmuScanline *scan; - XmuSegment *seg; - XawTextPaintList *list = sink->text_sink.paint; -#if 0 - XawTextPaintStruct *base, *head; -#endif - XawTextPaintStruct *paint = list->paint; - XawTextProperty *property; - XFontStruct *font = NULL; - XRectangle *rects; - int n_rects, i_rects; - GC gc; - Bool highlight; - XRectangle rect; - int width, height, line_width = -1; - XGCValues values; - - /* pass 1: clear clipping areas */ - /* XXX Don't use XDrawImageString because the font may be italic, and - will get incorrectly drawn. Probably, it could be a good idea to - check if this is the case, and do special processing. But this - will need to be checked if required. */ - for (scan = list->clip->scanline; scan && scan->next; scan = scan->next) - for (seg = scan->segment; seg; seg = seg->next) - _XawTextSinkClearToBackground(ctx->text.sink, - seg->x1, scan->y, - seg->x2 - seg->x1, - scan->next->y - scan->y); - - /* pass 2: optimize drawing list to avoid too much GC change requests */ - /* XXX this assumes there will not exist entities drawn over other - entities. */ -#if 0 - while (paint) { - base = paint; - head = paint->next; - while (head) { - if (head->property == paint->property) { - base->next = head->next; - head->next = paint->next; - paint->next = head; - paint = head; - } - base = head; - head = head->next; - } - paint = paint->next; - } -#endif - if (paint && paint->next) { - XawTextPaintStruct **paints; - int i = 0, n_paints = 0; - - while (paint) { - paint = paint->next; - ++n_paints; - } - paints = (XawTextPaintStruct**) - XtMalloc(n_paints * sizeof(XawTextPaintStruct)); - paint = list->paint; - while (paint) { - paints[i++] = paint; - paint = paint->next; - } - qsort((void*)paints, n_paints, sizeof(XawTextPaintStruct*), - qcmp_paint_struct); - list->paint = paints[0]; - for (i = 0; i < n_paints - 1; i++) - paints[i]->next = paints[i + 1]; - paints[i]->next = NULL; - XtFree((XtPointer)paints); - } - - /* pass 3: clip gc */ - gc = sink->ascii_sink.normgc; - - rect.x = ctx->text.r_margin.left; - rect.y = ctx->text.r_margin.top; - width = (int)XtWidth(ctx) - RHMargins(ctx); - height = (int)XtHeight(ctx) - RVMargins(ctx); - rect.width = width; - rect.height = height; - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), gc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), gc, None); - - /* pass 4: draw backgrounds */ - paint = list->paint; - property = NULL; - rects = NULL; - i_rects = n_rects = 0; - while (paint) { - if (paint->property && (paint->property->mask & XAW_TPROP_BACKGROUND)) { - if (property != paint->property) { - if (i_rects) - XFillRectangles(XtDisplay(ctx), XtWindow(ctx), gc, - rects, i_rects); - i_rects = 0; - property = paint->property; - if (property->mask & XAW_TPROP_FONT) - font = property->font; - else - font = sink->ascii_sink.font; - XSetForeground(XtDisplay(ctx), gc, property->background); - } - if (i_rects <= n_rects) - rects = (XRectangle*) - XtRealloc((XtPointer)rects, sizeof(XRectangle) * - ++n_rects); - rects[i_rects].x = paint->x; - rects[i_rects].y = paint->y - font->ascent; - rects[i_rects].width = paint->width; - rects[i_rects++].height = font->ascent + font->descent; - - if (paint->backtabs) { - for (scan = paint->backtabs->scanline; scan && scan->next; - scan = scan->next) - for (seg = scan->segment; seg; seg = seg->next) { - if (i_rects <= n_rects) - rects = (XRectangle*) - XtRealloc((XtPointer)rects, sizeof(XRectangle) * - ++n_rects); - rects[i_rects].x = seg->x1; - rects[i_rects].y = scan->y; - rects[i_rects].width = seg->x2 - seg->x1; - rects[i_rects++].height = scan->next->y - scan->y; - } - } - - - } - paint = paint->next; - } - if (i_rects) - XFillRectangles(XtDisplay(ctx), XtWindow(ctx), gc, rects, i_rects); - - paint = list->paint; - i_rects = 0; - while (paint) { - if (paint->highlight) { - if (i_rects == 0) - XSetForeground(XtDisplay(ctx), gc, sink->text_sink.cursor_color); - if (i_rects <= n_rects) - rects = (XRectangle*) - XtRealloc((XtPointer)rects, sizeof(XRectangle) * - ++n_rects); - rects[i_rects].x = paint->x; - rects[i_rects].y = paint->y - paint->max_ascent; - rects[i_rects].width = paint->width; - rects[i_rects++].height = paint->max_ascent + paint->max_descent + 1; - } - paint = paint->next; - } - if (list->hightabs) { - for (scan = list->hightabs->scanline; scan && scan->next; - scan = scan->next) - for (seg = scan->segment; seg; seg = seg->next) { - if (i_rects == 0) - XSetForeground(XtDisplay(ctx), gc, - sink->text_sink.cursor_color); - if (i_rects <= n_rects) - rects = (XRectangle*) - XtRealloc((XtPointer)rects, sizeof(XRectangle) * - ++n_rects); - rects[i_rects].x = seg->x1; - rects[i_rects].y = scan->y; - rects[i_rects].width = seg->x2 - seg->x1; - rects[i_rects++].height = scan->next->y - scan->y; - } - } - - if (i_rects) - XFillRectangles(XtDisplay(ctx), XtWindow(ctx), gc, rects, i_rects); - if (rects) - XtFree((XtPointer)rects); - - /* pass 5: draw text! */ - paint = list->paint; - if (paint && (property = paint->property) == NULL) { - font = sink->ascii_sink.font; - XSetFont(XtDisplay(ctx), gc, font->fid); - if (!paint->highlight) - XSetForeground(XtDisplay(ctx), gc, sink->text_sink.foreground); - } - else - property = NULL; - highlight = False; - while (paint) { - if (!highlight && paint->highlight) - XSetForeground(XtDisplay(ctx), gc, sink->text_sink.background); - if (highlight || paint->highlight || paint->property != property) { - if (!paint->property || !(paint->property->mask & XAW_TPROP_FONT)) - font = sink->ascii_sink.font; - else - font = paint->property->font; - XSetFont(XtDisplay(ctx), gc, font->fid); - if (!paint->highlight) { - if (!paint->property || - !(paint->property->mask & XAW_TPROP_FOREGROUND)) - XSetForeground(XtDisplay(ctx), gc, - sink->text_sink.foreground); - else - XSetForeground(XtDisplay(ctx), gc, - paint->property->foreground); - } - highlight = paint->highlight; - property = paint->property; - } - - if (paint->x < XtWidth(ctx) && paint->x + paint->width > 0) { - XDrawString(XtDisplay(ctx), XtWindow(ctx), gc, paint->x, paint->y, - paint->text, paint->length); - if (property) { - if (property->mask & XAW_TPROP_UNDERLINE) { - if (line_width != property->underline_thickness) { - values.line_width = line_width = - property->underline_thickness; - XChangeGC(XtDisplay(ctx), gc, GCLineWidth, &values); - } - - XDrawLine(XtDisplay(ctx), XtWindow(ctx), gc, paint->x, - paint->y + property->underline_position, - paint->x + paint->width, - paint->y + property->underline_position); - } - if (property->mask & XAW_TPROP_OVERSTRIKE) { - if (line_width != property->underline_thickness) { - values.line_width = line_width = - property->underline_thickness; - XChangeGC(XtDisplay(ctx), gc, GCLineWidth, &values); - } - - XDrawLine(XtDisplay(ctx), XtWindow(ctx), gc, paint->x, - paint->y - (font->ascent>>1) + (font->descent>>1), - paint->x + paint->width, - paint->y - (font->ascent>>1) + (font->descent>>1)); - } - } - } - - paint = paint->next; - } - - /* pass 6: bearing clipping */ - /* dont care on order of drawing or caching of state (by now) */ - paint = list->bearings; - while (paint) { - XRectangle rect; - - if (paint->highlight) - XSetForeground(XtDisplay(ctx), gc, sink->text_sink.background); - if (!paint->property || !(paint->property->mask & XAW_TPROP_FONT)) - font = sink->ascii_sink.font; - else - font = paint->property->font; - XSetFont(XtDisplay(ctx), gc, font->fid); - if (!paint->highlight) { - if (!paint->property || - !(paint->property->mask & XAW_TPROP_FOREGROUND)) - XSetForeground(XtDisplay(ctx), gc, sink->text_sink.foreground); - else - XSetForeground(XtDisplay(ctx), gc, paint->property->foreground); - } - if (paint->x < XtWidth(ctx) && paint->x + paint->width > 0) { - rect.x = paint->x + paint->width; - rect.width = XawAbs(paint->width); /* more than enough */ - rect.y = paint->y - font->ascent; - rect.height = rect.y + font->ascent + font->descent; - XSetClipRectangles(XtDisplay((Widget)ctx), gc, - 0, 0, &rect, 1, Unsorted); - XDrawString(XtDisplay(ctx), XtWindow(ctx), gc, paint->x, paint->y, - paint->text, paint->length); - } - paint = paint->next; - } -} -#endif - -/* - * Function: - * PaintText - * - * Parameters: - * w - text sink object - * gc - gc to paint text with - * x - location to paint the text - * y - "" - * buf - buffer and length of text to paint. - * len - "" - * clear_bg - clear background before drawing ? - * - * Description: - * Actually paints the text into the window. - * - * Returns: - * the width of the text painted - */ -static unsigned int -PaintText(Widget w, GC gc, int x, int y, char *buf, int len, Bool clear_bg) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - int width = XTextWidth(sink->ascii_sink.font, buf, len); - - if ((x > XtWidth(ctx)) || width <= -x) /* Don't draw if we can't see it */ - return (width); - - if (clear_bg) { - _XawTextSinkClearToBackground(w, x, y - sink->ascii_sink.font->ascent, - width, sink->ascii_sink.font->ascent - + sink->ascii_sink.font->descent); - XDrawString(XtDisplay(ctx), XtWindow(ctx), gc, x, y, buf, len); - } - else - XDrawImageString(XtDisplay(ctx), XtWindow(ctx), gc, x, y, buf, len); - - return (width); -} - -static void -DisplayText(Widget w, int x, int y, - XawTextPosition pos1, XawTextPosition pos2, Bool highlight) -{ - TextWidget ctx = (TextWidget)XtParent(w); - AsciiSinkObject sink = (AsciiSinkObject)w; - XFontStruct *font = sink->ascii_sink.font; - Widget source = XawTextGetSource(XtParent(w)); - unsigned char buf[260]; - int j, k; - XawTextBlock blk; - GC gc, invgc, tabgc; - int max_x; - Bool clear_bg; - - if (!sink->ascii_sink.echo || !ctx->text.lt.lines) - return; - - max_x = (int)XtWidth(ctx) - ctx->text.r_margin.right; - clear_bg = !highlight && ctx->core.background_pixmap != XtUnspecifiedPixmap; - - gc = highlight ? sink->ascii_sink.invgc : sink->ascii_sink.normgc; - invgc = highlight ? sink->ascii_sink.normgc : sink->ascii_sink.invgc; - - if (highlight && sink->ascii_sink.xorgc) - tabgc = sink->ascii_sink.xorgc; - else - tabgc = invgc; - - y += sink->ascii_sink.font->ascent; - for (j = 0; pos1 < pos2;) { - pos1 = XawTextSourceRead(source, pos1, &blk, pos2 - pos1); - for (k = 0; k < blk.length; k++) { - if (j >= sizeof(buf) - 4) { /* buffer full, dump the text */ - if ((x += PaintText(w, gc, x, y, (char*)buf, j, clear_bg)) - >= max_x) - return; - j = 0; - } - buf[j] = blk.ptr[k]; - if (buf[j] == XawLF) /* line feeds ('\n') are not printed */ - continue; - - else if (buf[j] == '\t') { - int width; - - if (j != 0 - && (x += PaintText(w, gc, x, y, (char*)buf, j, clear_bg)) - >= max_x) - return; - - if ((width = CharWidth(sink, font, x, '\t')) > -x) { - if (clear_bg) - _XawTextSinkClearToBackground(w, x, y-font->ascent, width, - font->ascent+font->descent); - else - XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), - tabgc, x, y - font->ascent, width, - font->ascent + font->descent); - } - - if ((x += width) >= max_x) - return; - - j = -1; - } - else if ((buf[j] & 0177) < XawSP || buf[j] == 0177) { - if (sink->ascii_sink.display_nonprinting) { - unsigned char c = buf[j]; - - if (c > 0177) { - buf[j++] = '\\'; - buf[j++] = ((c >> 6) & 7) + '0'; - buf[j++] = ((c >> 3) & 7) + '0'; - buf[j] = (c & 7) + '0'; - } - else { - c |= 0100; - buf[j++] = '^'; - buf[j] = c == 0177 ? '?' : c; - } - } - else - buf[j] = ' '; - } - j++; - } - } - - if (j > 0) - (void)PaintText(w, gc, x, y, (char*)buf, j, clear_bg); -} - -/* - * Function: - * GetCursorBounds - * - * Parameters: - * w - text sink object - * rect - X rectangle to return the cursor bounds - * - * Description: - * Returns the size and location of the cursor. - */ -static void -GetCursorBounds(Widget w, XRectangle *rect) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - XFontStruct *font = sink->ascii_sink.font; - unsigned char ch; -#ifndef OLDXAW - TextWidget ctx = (TextWidget)XtParent(w); - XawTextBlock block; - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - - if (XawTextSourceAnchorAndEntity(XawTextGetSource(XtParent(w)), - sink->ascii_sink.cursor_position, - &anchor, &entity)) { - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - } - (void)XawTextSourceRead(XawTextGetSource((Widget)ctx), - ctx->text.insertPos, &block, 1); - if (!block.length || block.ptr[0] == '\n' || block.ptr[0] == '\t') - ch = ' '; - else if ((*((unsigned char*)block.ptr) & 0177) < XawSP || - *(unsigned char*)block.ptr == 0177) { - if (sink->ascii_sink.display_nonprinting) - ch = *((unsigned char*)block.ptr) > 0177 ? '\\' : '^'; - else - ch = ' '; - } - else - ch = *(unsigned char*)block.ptr; -#else - ch = ' '; -#endif - - rect->width = CharWidth(sink, font, 0, ch); - rect->height = font->descent + font->ascent + 1; - - rect->x = sink->ascii_sink.cursor_x; - rect->y = sink->ascii_sink.cursor_y - font->ascent; -} - -/* this function is required to support diferent fonts and correctly place - * the cursor. There are better ways to calculate the base line, but there is - * no place/code (yet) to store this information. - */ -static int -FindCursorY(TextWidget ctx, XawTextPosition position) -{ - int y, line, ascent; - AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; -#ifndef OLDXAW - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - XawTextPosition left, right; -#endif - - for (line = 0; line < ctx->text.lt.lines; line++) - if (position < ctx->text.lt.info[line + 1].position) - break; - - y = ctx->text.lt.info[line].y; -#ifndef OLDXAW - ascent = 0; - left = ctx->text.lt.info[line].position; - right = ctx->text.lt.info[line + 1].position; - right = XawMin(right, ctx->text.lastPos + 1); - while (left < right) { - if (XawTextSourceAnchorAndEntity(ctx->text.source, left, - &anchor, &entity)) { - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - ascent = XawMax(property->font->ascent, ascent); - else - ascent = XawMax(sink->ascii_sink.font->ascent, ascent); - left = anchor->position + entity->offset + entity->length; - } - else if (anchor) { - ascent = XawMax(sink->ascii_sink.font->ascent, ascent); - while (entity) { - XawTextPosition tmp = anchor->position + entity->offset + entity->length; - - if (tmp > left && tmp < right) { - left = tmp; - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - ascent = XawMax(property->font->ascent, ascent); - else - ascent = XawMax(sink->ascii_sink.font->ascent, ascent); - } - entity = entity->next; - } - if (entity == NULL) - break; - } - else { - ascent = XawMax(sink->ascii_sink.font->ascent, ascent); - break; - } - } - if (!ascent) - ascent = sink->ascii_sink.font->ascent; -#else - ascent = sink->ascii_sink.font->ascent; -#endif - - return (y + ascent); -} - -static void -InsertCursor(Widget w, int x, int y, XawTextInsertState state) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - XFontStruct *font = sink->ascii_sink.font; - TextWidget ctx = (TextWidget)XtParent(w); - XawTextPosition position = XawTextGetInsertionPoint((Widget)ctx); - Boolean overflow = (x & 0xffff8000) != 0; -#ifndef OLDXAW - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; -#endif - - if (XtIsRealized((Widget)ctx)) { - int fheight; - XawTextBlock block; - XawTextPosition selection_start, selection_end; - Boolean has_selection; - - if (!sink->ascii_sink.echo) { - if (sink->ascii_sink.laststate != state) { - int width = CharWidth(sink, font, 0, ' ') - 1; - - x = ctx->text.margin.left; - y = ctx->text.margin.top; - font = sink->ascii_sink.font; - fheight = font->ascent + font->descent; - if (state == XawisOn) { - if (ctx->text.hasfocus) - XFillRectangle(XtDisplay(ctx), XtWindow(ctx), - sink->ascii_sink.xorgc, x, y, - width + 1, fheight + 1); - else - XDrawRectangle(XtDisplay(ctx), XtWindow(ctx), - sink->ascii_sink.xorgc, x, y, - width, fheight); - - } - else - _XawTextSinkClearToBackground(w, x, y, - width + 1, fheight + 1); - } - sink->ascii_sink.cursor_x = x; - sink->ascii_sink.cursor_y = y; - sink->ascii_sink.laststate = state; - return; - } - - - XawTextGetSelectionPos((Widget)ctx, &selection_start, &selection_end); - has_selection = selection_start != selection_end; - - if (sink->ascii_sink.laststate != state) { - unsigned char ch; - -#ifndef OLDXAW - if (XawTextSourceAnchorAndEntity(ctx->text.source, - position, &anchor, &entity) && - (property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - else - font = sink->ascii_sink.font; -#endif - - fheight = font->ascent + font->descent; - (void)XawTextSourceRead(XawTextGetSource((Widget)ctx), - position, &block, 1); - if (!block.length || block.ptr[0] == '\n' || block.ptr[0] == '\t') - ch = ' '; - else if ((*((unsigned char*)block.ptr) & 0177) < XawSP - || *(unsigned char*)block.ptr == 0177) { - if (sink->ascii_sink.display_nonprinting) - ch = *((unsigned char*)block.ptr) > 0177 ? '\\' : '^'; - else - ch = ' '; - } - else - ch = *(unsigned char*)block.ptr; - - y = FindCursorY(ctx, position); - if (ctx->text.hasfocus && !has_selection) - XFillRectangle(XtDisplay(ctx), XtWindow(ctx), - sink->ascii_sink.xorgc, x, y - font->ascent, - CharWidth(sink, font, 0, ch), fheight + 1); - else - XDrawRectangle(XtDisplay(ctx), XtWindow(ctx), - sink->ascii_sink.xorgc, x, y - font->ascent, - CharWidth(sink, font, 0, ch) - 1, fheight); - } - } - - sink->ascii_sink.cursor_x = overflow ? -16384 : x; - sink->ascii_sink.cursor_y = y; - sink->ascii_sink.laststate = state; - sink->ascii_sink.cursor_position = position; -} - -/* - * Given two positions, find the distance between them - */ -static void -FindDistance(Widget w, XawTextPosition fromPos, int fromx, - XawTextPosition toPos, int *resWidth, - XawTextPosition *resPos, int *resHeight) -{ -#ifndef OLDXAW - AsciiSinkObject sink = (AsciiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - XFontStruct *font = sink->ascii_sink.font; - Widget source = ctx->text.source; - XawTextPosition idx, pos; - unsigned char c; - XawTextBlock blk; - int i, rWidth, ascent = 0, descent = 0; - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - Cardinal length; - Bool done = False; - - pos = idx = fromPos; - rWidth = 0; - c = 0; - - while (!done) { - if (XawTextSourceAnchorAndEntity(source, pos, &anchor, &entity)) { - length = anchor->position + entity->offset + entity->length; - length = XawMin(toPos, length) - pos; - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - else - font = sink->ascii_sink.font; - } - else { - if (anchor) { - while (entity && anchor->position + entity->offset < pos) - entity = entity->next; - if (entity) { - length = anchor->position + entity->offset; - length = XawMin(toPos, length) - pos; - } - else - length = XawMin(toPos - pos, 4096); - } - else - length = XawMin(toPos - pos, 4096); - font = sink->ascii_sink.font; - } - - ascent = XawMax(font->ascent, ascent); - descent = XawMax(font->descent, descent); - - pos = XawTextSourceRead(source, pos, &blk, length); - if (blk.length == 0 && pos == idx) /* eof reached */ - break; - - idx = blk.firstPos; - for (i = 0; idx < toPos; i++, idx++) { - if (i >= blk.length) - break; - c = blk.ptr[i]; - rWidth += CharWidth(sink, font, fromx + rWidth, c); - if (c == XawLF) { - idx++; - done = True; - break; - } - } - if (idx >= toPos) - break; - } - - *resPos = idx; - *resWidth = rWidth; - *resHeight = ascent + descent + 1; -#else - AsciiSinkObject sink = (AsciiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - XFontStruct *font = sink->ascii_sink.font; - Widget source = ctx->text.source; - XawTextPosition idx, pos; - unsigned char c; - XawTextBlock blk; - int i, rWidth; - - pos = XawTextSourceRead(source, fromPos, &blk, toPos - fromPos); - rWidth = 0; - for (i = 0, idx = fromPos; idx < toPos; i++, idx++) { - if (i >= blk.length) { - i = 0; - pos = XawTextSourceRead(source, pos, &blk, toPos - pos); - if (blk.length == 0) - break; - } - c = blk.ptr[i]; - rWidth += CharWidth(sink, font, fromx + rWidth, c); - if (c == XawLF) { - idx++; - break; - } - } - - *resPos = idx; - *resWidth = rWidth; - *resHeight = font->ascent + font->descent + 1; -#endif -} - -static void -FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width, - Bool stopAtWordBreak, XawTextPosition *resPos, - int *resWidth, int *resHeight) -{ -#ifndef OLDXAW - AsciiSinkObject sink = (AsciiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - Widget source = ctx->text.source; - XFontStruct *font = sink->ascii_sink.font; - XawTextPosition idx, pos, whiteSpacePosition = 0; - int i, lastWidth, whiteSpaceWidth, rWidth, ascent = 0, descent = 0; - Boolean whiteSpaceSeen; - unsigned char c; - XawTextBlock blk; - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - Cardinal length; - Bool done = False; - - pos = idx = fromPos; - rWidth = lastWidth = whiteSpaceWidth = 0; - whiteSpaceSeen = False; - c = 0; - - while (!done) { - font = sink->ascii_sink.font; - if (XawTextSourceAnchorAndEntity(source, pos, &anchor, &entity)) { - length = anchor->position + entity->offset + entity->length - pos; - if ((property = XawTextSinkGetProperty((Widget)sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - } - else { - if (anchor) { - while (entity && anchor->position + entity->offset < pos) - entity = entity->next; - if (entity) - length = anchor->position + entity->offset - pos; - else - length = 4096; - } - else - length = 4096; - } - - ascent = XawMax(font->ascent, ascent); - descent = XawMax(font->descent, descent); - - pos = XawTextSourceRead(source, pos, &blk, length); - if (blk.length == 0 && pos == idx) /* eof reached */ - break; - - idx = blk.firstPos; - for (i = 0; rWidth <= width && i < blk.length; i++, idx++) { - c = blk.ptr[i]; - lastWidth = rWidth; - rWidth += CharWidth(sink, font, fromx + rWidth, c); - - if (c == XawLF) { - idx++; - done = True; - break; - } - else if ((c == XawSP || c == XawTAB) && rWidth <= width) { - whiteSpaceSeen = True; - whiteSpacePosition = idx; - whiteSpaceWidth = rWidth; - } - } - if (rWidth > width) - break; - } - - if (rWidth > width && idx > fromPos) { - idx--; - rWidth = lastWidth; - if (stopAtWordBreak && whiteSpaceSeen) { - idx = whiteSpacePosition + 1; - rWidth = whiteSpaceWidth; - } - } - - if (idx >= ctx->text.lastPos && c != XawLF) - idx = ctx->text.lastPos + 1; - - *resPos = idx; - *resWidth = rWidth; - *resHeight = ascent + descent + 1; -#else - AsciiSinkObject sink = (AsciiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - Widget source = ctx->text.source; - XFontStruct *font = sink->ascii_sink.font; - XawTextPosition idx, pos, whiteSpacePosition = 0; - int i, lastWidth, whiteSpaceWidth, rWidth; - Boolean whiteSpaceSeen; - unsigned char c; - XawTextBlock blk; - - pos = XawTextSourceRead(source, fromPos, &blk, BUFSIZ); - rWidth = lastWidth = whiteSpaceWidth = 0; - whiteSpaceSeen = False; - c = 0; - - for (i = 0, idx = fromPos; rWidth <= width; i++, idx++) { - if (i >= blk.length) { - i = 0; - pos = XawTextSourceRead(source, pos, &blk, BUFSIZ); - if (blk.length == 0) - break; - } - c = blk.ptr[i]; - lastWidth = rWidth; - rWidth += CharWidth(sink, font, fromx + rWidth, c); - - if (c == XawLF) { - idx++; - break; - } - else if ((c == XawSP || c == XawTAB) && rWidth <= width) { - whiteSpaceSeen = True; - whiteSpacePosition = idx; - whiteSpaceWidth = rWidth; - } - } - - if (rWidth > width && idx > fromPos) { - idx--; - rWidth = lastWidth; - if (stopAtWordBreak && whiteSpaceSeen) { - idx = whiteSpacePosition + 1; - rWidth = whiteSpaceWidth; - } - } - - if (idx >= ctx->text.lastPos && c != XawLF) - idx = ctx->text.lastPos + 1; - - *resPos = idx; - *resWidth = rWidth; - *resHeight = font->ascent + font->descent + 1; -#endif -} - -static void -Resolve(Widget w, XawTextPosition pos, int fromx, int width, - XawTextPosition *pos_return) -{ - int resWidth, resHeight; - Widget source = XawTextGetSource(XtParent(w)); - - FindPosition(w, pos, fromx, width, False, pos_return, &resWidth, &resHeight); - if (*pos_return > GETLASTPOS) - *pos_return = GETLASTPOS; -} - -static void -GetGC(AsciiSinkObject sink) -{ - XtGCMask valuemask = (GCFont | GCGraphicsExposures | GCClipXOrigin | - GCForeground | GCBackground); - XGCValues values; - - /* XXX We dont want do share a gc that will change the clip-mask */ - values.clip_x_origin = (long)sink; - values.clip_mask = None; - values.font = sink->ascii_sink.font->fid; - values.graphics_exposures = False; - - values.foreground = sink->text_sink.foreground; - values.background = sink->text_sink.background; - sink->ascii_sink.normgc = XtAllocateGC((Widget)sink, 0, valuemask, &values, - GCClipMask | GCFont | GCForeground | - GCBackground, 0); - - values.foreground = sink->text_sink.background; -#ifndef OLDXAW - values.background = sink->text_sink.cursor_color; -#else - values.background = sink->text_sink.foreground; -#endif - sink->ascii_sink.invgc = XtAllocateGC((Widget)sink, 0, valuemask, &values, - GCClipMask | GCFont, 0); - - valuemask |= GCFunction; - values.function = GXxor; -#ifndef OLDXAW - values.foreground = sink->text_sink.background ^ sink->text_sink.cursor_color; -#else - values.foreground = sink->text_sink.background ^ sink->text_sink.foreground; -#endif - values.background = 0L; - sink->ascii_sink.xorgc = XtAllocateGC((Widget)sink, 0, valuemask, - &values, GCClipMask | GCFont, 0); - - XawAsciiSinkResize((Widget)sink); -} - -/* Function: - * XawAsciiSinkInitialize - * - * Parameters: - * request - the requested and new values for the object instance - * cnew - "" - * - * Description: - * Initializes the TextSink Object. - */ -/*ARGSUSED*/ -static void -XawAsciiSinkInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - AsciiSinkObject sink = (AsciiSinkObject)cnew; - - GetGC(sink); - - if (!sink->ascii_sink.font) XtError("Aborting: no font found\n"); - - sink->ascii_sink.cursor_position = 0; - sink->ascii_sink.laststate = XawisOff; - sink->ascii_sink.cursor_x = sink->ascii_sink.cursor_y = 0; -} - -/* - * Function: - * XawAsciiSinkDestroy - * - * Parameters: - * w - AsciiSink Object - * - * Description: - * This function cleans up when the object is destroyed. - */ -static void -XawAsciiSinkDestroy(Widget w) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - - XtReleaseGC(w, sink->ascii_sink.normgc); - XtReleaseGC(w, sink->ascii_sink.invgc); - XtReleaseGC(w, sink->ascii_sink.xorgc); - - sink->ascii_sink.normgc = - sink->ascii_sink.invgc = - sink->ascii_sink.xorgc = NULL; -} - -static void -XawAsciiSinkResize(Widget w) -{ - TextWidget ctx = (TextWidget)XtParent(w); - AsciiSinkObject sink = (AsciiSinkObject)w; - XRectangle rect; - int width, height; - - if (w->core.widget_class != asciiSinkObjectClass) - return; - - rect.x = ctx->text.r_margin.left; - rect.y = ctx->text.r_margin.top; - width = (int)XtWidth(ctx) - RHMargins(ctx); - height = (int)XtHeight(ctx) - RVMargins(ctx); - rect.width = width; - rect.height = height; - - if (sink->ascii_sink.normgc) { - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), sink->ascii_sink.normgc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), sink->ascii_sink.normgc, None); - } - if (sink->ascii_sink.invgc) { - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), sink->ascii_sink.invgc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), sink->ascii_sink.invgc, None); - } - if (sink->ascii_sink.xorgc) { - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), sink->ascii_sink.xorgc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), sink->ascii_sink.xorgc, None); - } -} - -/* - * Function: - * XawAsciiSinkSetValues - * - * Parameters: - * current - current state of the object - * request - what was requested - * cnew - what the object will become - * - * Description: - * Sets the values for the AsciiSink. - * - * Returns: - * True if redisplay is needed - */ -/*ARGSUSED*/ -static Boolean -XawAsciiSinkSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - AsciiSinkObject w = (AsciiSinkObject)cnew; - AsciiSinkObject old_w = (AsciiSinkObject)current; - - if (w->ascii_sink.font != old_w->ascii_sink.font - || w->text_sink.background != old_w->text_sink.background - || w->text_sink.foreground != old_w->text_sink.foreground -#ifndef OLDXAW - || w->text_sink.cursor_color != old_w->text_sink.cursor_color - || w->text_sink.properties != old_w->text_sink.properties -#endif - ) { -#ifdef OLDXAW - XtReleaseGC(cnew, w->ascii_sink.normgc); - XtReleaseGC(cnew, w->ascii_sink.invgc); - XtReleaseGC(cnew, w->ascii_sink.xorgc); - GetGC(w); -#endif - ((TextWidget)XtParent(cnew))->text.redisplay_needed = True; - } - else if (w->ascii_sink.echo != old_w->ascii_sink.echo - || w->ascii_sink.display_nonprinting - != old_w->ascii_sink.display_nonprinting) - ((TextWidget)XtParent(cnew))->text.redisplay_needed = True; -#ifndef OLDXAW - if (w->text_sink.properties != old_w->text_sink.properties) { - XawTextProperty *property = - XawTextSinkGetProperty(cnew, XrmStringToQuark("default")); - - if (property) { - if (property->mask & XAW_TPROP_FONT) - w->ascii_sink.font = property->font; - if (property->mask & XAW_TPROP_FOREGROUND) - w->text_sink.foreground = property->foreground; - if (property->mask & XAW_TPROP_BACKGROUND) - w->text_sink.background = property->background; - } - } -#endif - - return (False); -} - -/* - * Function: - * MaxLines - * - * Parameters: - * w - AsciiSink Object - * height - height to fit lines into - * - * Description: - * Finds the Maximum number of lines that will fit in a given height. - * - * Returns: - * The number of lines that will fit - */ -/*ARGSUSED*/ -static int -MaxLines(Widget w, unsigned int height) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - int font_height; - - font_height = sink->ascii_sink.font->ascent + sink->ascii_sink.font->descent + 1; - - return ((int)height / font_height); -} - -/* - * Function: - * MaxHeight - * - * Parameters: - * w - AsciiSink Object - * lines - number of lines - * - * Description: - * Finds the Minium height that will contain a given number lines. - * - * Returns: - * the height - */ -static int -MaxHeight(Widget w, int lines) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - - return (lines * (sink->ascii_sink.font->ascent + - sink->ascii_sink.font->descent + 1)); -} - -/* - * Function: - * SetTabs - * - * Parameters: - * w - AsciiSink Object - * tab_count - number of tabs in the list - * tabs - text positions of the tabs - * - * Description: - * Sets the Tab stops. - */ -static void -SetTabs(Widget w, int tab_count, short *tabs) -{ - AsciiSinkObject sink = (AsciiSinkObject)w; - int i; - Atom XA_FIGURE_WIDTH; - unsigned long figure_width = 0; - XFontStruct *font = sink->ascii_sink.font; - - /* - * Find the figure width of the current font - */ - XA_FIGURE_WIDTH = XInternAtom(XtDisplayOfObject(w), "FIGURE_WIDTH", False); - if (XA_FIGURE_WIDTH != None - && (!XGetFontProperty(font, XA_FIGURE_WIDTH, &figure_width) - || figure_width == 0)) { - if (font->per_char && font->min_char_or_byte2 <= '$' - && font->max_char_or_byte2 >= '$') - figure_width = font->per_char['$' - font->min_char_or_byte2].width; - else - figure_width = font->max_bounds.width; - } - - if (tab_count > sink->text_sink.tab_count) { - sink->text_sink.tabs = (Position *) - XtRealloc((char*)sink->text_sink.tabs, tab_count * sizeof(Position)); - sink->text_sink.char_tabs = (short *) - XtRealloc((char*)sink->text_sink.char_tabs, tab_count * sizeof(short)); - } - - for (i = 0 ; i < tab_count ; i++) { - sink->text_sink.tabs[i] = tabs[i] * figure_width; - sink->text_sink.char_tabs[i] = tabs[i]; - } - - sink->text_sink.tab_count = tab_count; - -#ifndef NO_TAB_FIX - { - TextWidget ctx = (TextWidget)XtParent(w); - ctx->text.redisplay_needed = True; - _XawTextBuildLineTable(ctx, ctx->text.lt.top, True); - } -#endif -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xatom.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/Xaw/AsciiSinkP.h>
+#include <X11/Xaw/AsciiSrcP.h>
+#include <X11/Xaw/TextP.h>
+#include "Private.h"
+
+#ifdef GETLASTPOS
+#undef GETLASTPOS /* We will use our own GETLASTPOS */
+#endif
+
+#define GETLASTPOS \
+ XawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, True)
+
+/*
+ * Class Methods
+ */
+static void XawAsciiSinkClassPartInitialize(WidgetClass);
+static void XawAsciiSinkInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawAsciiSinkDestroy(Widget);
+static void XawAsciiSinkResize(Widget);
+static Boolean XawAsciiSinkSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static int MaxLines(Widget, unsigned int);
+static int MaxHeight(Widget, int);
+static void SetTabs(Widget, int, short*);
+static void DisplayText(Widget, int, int,
+ XawTextPosition, XawTextPosition, Bool);
+static void InsertCursor(Widget, int, int, XawTextInsertState);
+static void FindPosition(Widget, XawTextPosition, int, int, Bool,
+ XawTextPosition*, int*, int*);
+static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*,
+ XawTextPosition*, int*);
+static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*);
+static void GetCursorBounds(Widget, XRectangle*);
+#ifndef OLDXAW
+static void AsciiPreparePaint(Widget, int, int,
+ XawTextPosition, XawTextPosition, Bool);
+static void AsciiDoPaint(Widget);
+#endif
+
+/*
+ * Prototypes
+ */
+static void GetGC(AsciiSinkObject);
+static int CharWidth(AsciiSinkObject, XFontStruct*, int, unsigned int);
+static unsigned int PaintText(Widget w, GC gc, int x, int y,
+ char *buf, int len, Bool);
+
+/*
+ * Defined in TextSink.c
+ */
+void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(AsciiSinkRec, ascii_sink.field)
+static XtResource resources[] = {
+ {
+ XtNfont,
+ XtCFont,
+ XtRFontStruct,
+ sizeof(XFontStruct*),
+ offset(font),
+ XtRString,
+ XtDefaultFont
+ },
+ {
+ XtNecho,
+ XtCOutput,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(echo),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNdisplayNonprinting,
+ XtCOutput,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(display_nonprinting),
+ XtRImmediate,
+ (XtPointer)
+ True
+ },
+};
+#undef offset
+
+#define Superclass (&textSinkClassRec)
+AsciiSinkClassRec asciiSinkClassRec = {
+ /* object */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "AsciiSink", /* class_name */
+ sizeof(AsciiSinkRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ XawAsciiSinkClassPartInitialize, /* class_part_initialize */
+ False, /* class_inited */
+ XawAsciiSinkInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* obj1 */
+ NULL, /* obj2 */
+ 0, /* obj3 */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* obj4 */
+ False, /* obj5 */
+ False, /* obj6 */
+ False, /* obj7 */
+ XawAsciiSinkDestroy, /* destroy */
+ (XtProc)XawAsciiSinkResize, /* obj8 */
+ NULL, /* obj9 */
+ XawAsciiSinkSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* obj10 */
+ NULL, /* get_values_hook */
+ NULL, /* obj11 */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* obj12 */
+ NULL, /* obj13 */
+ NULL, /* obj14 */
+ NULL, /* extension */
+ },
+ /* text_sink */
+ {
+ DisplayText, /* DisplayText */
+ InsertCursor, /* InsertCursor */
+ XtInheritClearToBackground, /* ClearToBackground */
+ FindPosition, /* FindPosition */
+ FindDistance, /* FindDistance */
+ Resolve, /* Resolve */
+ MaxLines, /* MaxLines */
+ MaxHeight, /* MaxHeight */
+ SetTabs, /* SetTabs */
+ GetCursorBounds, /* GetCursorBounds */
+#ifndef OLDXAW
+ NULL /* extension */
+#endif
+ },
+ /* ascii_sink */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass asciiSinkObjectClass = (WidgetClass)&asciiSinkClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawAsciiSinkClassPartInitialize(WidgetClass wc)
+{
+#ifndef OLDXAW
+ AsciiSinkObjectClass cclass = (AsciiSinkObjectClass)wc;
+ XrmQuark record_type = XrmPermStringToQuark("TextSink");
+ TextSinkExt ext = cclass->text_sink_class.extension;
+
+ while (ext) {
+ if (ext->record_type == record_type &&
+ ext->version == 1) {
+ ext->PreparePaint = AsciiPreparePaint;
+ ext->DoPaint = AsciiDoPaint;
+ break;
+ }
+ ext = (TextSinkExt)ext->next_extension;
+ }
+ if (ext == NULL)
+ XtError("TextSinkClass: cannot resolve extension.\n");
+#endif
+}
+
+static int
+CharWidth(AsciiSinkObject sink, XFontStruct *font, int x, unsigned int c)
+{
+ int width = 0;
+
+ if (c == XawLF)
+ return (0);
+
+ if (c == XawTAB) {
+ int i;
+ Position *tab;
+
+ width = x;
+ /* Adjust for Left Margin */
+ x -= ((TextWidget)XtParent((Widget)sink))->text.left_margin;
+
+ i = 0;
+ tab = sink->text_sink.tabs;
+ /*CONSTCOND*/
+ while (1) {
+ if (x >= 0 && x < *tab)
+ return (*tab - x);
+ /* Start again */
+ if (++i >= sink->text_sink.tab_count) {
+ x -= *tab;
+ i = 0;
+ tab = sink->text_sink.tabs;
+ if (width == x)
+ return (0);
+ }
+ else
+ ++tab;
+ }
+ /*NOTREACHED*/
+ }
+
+ if ((c & 0177) < XawSP || c == 0177) {
+ if (sink->ascii_sink.display_nonprinting) {
+ if (c > 0177) {
+ width = CharWidth(sink, font, x, '\\');
+ width += CharWidth(sink, font, x, ((c >> 6) & 7) + '0');
+ width += CharWidth(sink, font, x, ((c >> 3) & 7) + '0');
+ c = (c & 7) + '0';
+ }
+ else {
+ width = CharWidth(sink, font, x, '^');
+ if ((c |= 0100) == 0177)
+ c = '?';
+ }
+ }
+ else
+ c = XawSP;
+ }
+
+ if (font->per_char
+ && (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2))
+ width += font->per_char[c - font->min_char_or_byte2].width;
+ else
+ width += font->min_bounds.width;
+
+ return (width);
+}
+
+#ifndef OLDXAW
+static int
+GetTextWidth(TextWidget ctx, int current_width, XFontStruct *font,
+ XawTextPosition from, int length)
+{
+ int i, width = 0;
+ XawTextBlock block;
+ XawTextPosition pos = from;
+
+ while (length > 0) {
+ pos = XawTextSourceRead(ctx->text.source, from, &block, length);
+ length -= pos - from;
+ from = pos;
+ for (i = 0; i < block.length; i++)
+ width += CharWidth((AsciiSinkObject)ctx->text.sink, font,
+ current_width + width,
+ (unsigned char)block.ptr[i]);
+ }
+
+ return (width);
+}
+
+static
+void CalculateBearing(TextWidget ctx, XawTextPosition position, int x, int y,
+ int ascent, int descent, Bool highlight, Bool right)
+{
+/*
+ * Sample case:
+ *
+ * lbearing| width |rbearing
+ * | |
+ * | ####
+ * | ### |
+ * | #### |
+ * | #### |
+ * | ########## |
+ * | #### |
+ * | #### |
+ * | #### |
+ * | #### |
+ * |### |
+ * #### |
+ * | |
+ *
+ */
+ AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink;
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+ XawTextPaintStruct *paint;
+ XawTextBlock block;
+ XFontStruct *font;
+
+ property = NULL;
+ if (XawTextSourceAnchorAndEntity(ctx->text.source, position,
+ &anchor, &entity) &&
+ (property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+ if (right) {
+ if (font->max_bounds.rbearing > 0) {
+ int rbearing = font->max_bounds.rbearing - font->max_bounds.width;
+ unsigned char c;
+
+ (void)XawTextSourceRead(ctx->text.source, position, &block, 1);
+ c = *(unsigned char*)block.ptr;
+ if (c == '\t' || c == '\n')
+ c = ' ';
+ else if ((c & 0177) < XawSP || c == 0177) {
+ if (sink->ascii_sink.display_nonprinting)
+ c = c > 0177 ? (c & 7) + '0' : c + '@';
+ else
+ c = ' ';
+ }
+ if (font->per_char &&
+ (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2))
+ rbearing = font->per_char[c - font->min_char_or_byte2].rbearing -
+ font->per_char[c - font->min_char_or_byte2].width;
+ if (rbearing > 0) {
+ paint = XtNew(XawTextPaintStruct);
+ paint->next = sink->text_sink.paint->bearings;
+ sink->text_sink.paint->bearings = paint;
+ paint->x = x - (paint->width = CharWidth(sink, font, 0, c));
+ paint->y = y + ascent;
+ paint->property = property;
+ paint->max_ascent = ascent;
+ paint->max_descent = descent;
+ paint->backtabs = NULL;
+ paint->highlight = highlight;
+ paint->length = 1;
+ paint->text = XtMalloc(1);
+ paint->text[0] = c;
+ }
+ }
+ }
+ else {
+ if (font->min_bounds.lbearing < 0) {
+ int lbearing = font->min_bounds.lbearing;
+ unsigned char c;
+
+ (void)XawTextSourceRead(ctx->text.source, position, &block, 1);
+ c = *(unsigned char*)block.ptr;
+ if (c == '\t' || c == '\n')
+ c = ' ';
+ else if ((c & 0177) < XawSP || c == 0177) {
+ if (sink->ascii_sink.display_nonprinting)
+ c = c > 0177 ? '\\' : c + '^';
+ else
+ c = ' ';
+ }
+ if (font->per_char &&
+ (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2))
+ lbearing = font->per_char[c - font->min_char_or_byte2].lbearing;
+ if (lbearing < 0) {
+ paint = XtNew(XawTextPaintStruct);
+ paint->next = sink->text_sink.paint->bearings;
+ sink->text_sink.paint->bearings = paint;
+ paint->x = x;
+ paint->width = -CharWidth(sink, font, 0, c);
+ paint->y = y + ascent;
+ paint->property = property;
+ paint->max_ascent = ascent;
+ paint->max_descent = descent;
+ paint->backtabs = NULL;
+ paint->highlight = highlight;
+ paint->length = 1;
+ paint->text = XtMalloc(1);
+ paint->text[0] = c;
+ }
+ }
+ }
+}
+
+static void
+AsciiPreparePaint(Widget w, int y, int line,
+ XawTextPosition from, XawTextPosition to, Bool highlight)
+{
+ static XmuSegment segment;
+ static XmuScanline next;
+ static XmuScanline scanline = {0, &segment, &next};
+ static XmuArea area = {&scanline};
+
+ TextWidget ctx = (TextWidget)XtParent(w);
+ AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink;
+ XawTextPosition left, right, pos, pos2, tmp, length;
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+ int i, ascent = 0, descent = 0, xl, xr, x = ctx->text.left_margin, bufsiz;
+ XawTextBlock block;
+ XFontStruct *font;
+ XawTextPaintStruct *paint;
+
+ if (!sink->ascii_sink.echo)
+ return;
+
+ /* pass 1: calculate ascent/descent values and x coordinate */
+ /* XXX the MAX ascent/descent value should be in the line table XXX */
+ /* XXX the x coordinate can be a parameter, but since it is required
+ to calculate the ascent/descent, do it here to avoid an extra
+ search in the entities */
+ pos = tmp = left = ctx->text.lt.info[line].position;
+ right = ctx->text.lt.info[line + 1].position;
+ right = XawMin(right, ctx->text.lastPos + 1);
+ while (pos < right) {
+ if (XawTextSourceAnchorAndEntity(ctx->text.source, pos,
+ &anchor, &entity)) {
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+ tmp = pos;
+ pos = anchor->position + entity->offset + entity->length;
+ if ((length = XawMin(from, pos) - tmp) > 0)
+ x += GetTextWidth(ctx, x, font, tmp, length);
+ ascent = XawMax(font->ascent, ascent);
+ descent = XawMax(font->descent, descent);
+ }
+ else if (anchor) {
+ ascent = XawMax(sink->ascii_sink.font->ascent, ascent);
+ descent = XawMax(sink->ascii_sink.font->descent, descent);
+ while (entity && pos < right) {
+ tmp = pos;
+ if ((pos = anchor->position + entity->offset) < tmp)
+ pos = tmp;
+ else {
+ if ((length = XawMin(from, pos) - tmp) > 0) {
+ x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp,
+ length);
+ tmp += length;
+ }
+ if (pos < right) {
+ pos += entity->length;
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+ if ((length = XawMin(from, pos) - tmp) > 0)
+ x += GetTextWidth(ctx, x, font, tmp, length);
+ ascent = XawMax(font->ascent, ascent);
+ descent = XawMax(font->descent, descent);
+ }
+ }
+ entity = entity->next;
+ }
+
+ if (anchor->entities == NULL) {
+ tmp = XawMin(pos, from);
+ if ((length = from - tmp) > 0)
+ x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, length);
+ break;
+ }
+ }
+ else {
+ tmp = XawMin(pos, from);
+ if ((length = from - tmp) > 0)
+ x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, length);
+ ascent = XawMax(sink->ascii_sink.font->ascent, ascent);
+ descent = XawMax(sink->ascii_sink.font->descent, descent);
+ break;
+ }
+ }
+ if (!ascent)
+ ascent = sink->ascii_sink.font->ascent;
+ if (!descent)
+ descent = sink->ascii_sink.font->descent;
+
+ xl = x;
+
+ /* pass 2: feed the XawTextPaintStruct lists */
+ pos = from;
+ while (pos < to) {
+ paint = XtNew(XawTextPaintStruct);
+ paint->next = sink->text_sink.paint->paint;
+ sink->text_sink.paint->paint = paint;
+ paint->x = x;
+ paint->y = y + ascent;
+ paint->property = NULL;
+ paint->max_ascent = ascent;
+ paint->max_descent = descent;
+ paint->backtabs = NULL;
+ paint->highlight = highlight;
+
+ tmp = pos;
+ if (XawTextSourceAnchorAndEntity(ctx->text.source, pos,
+ &anchor, &entity)) {
+ pos = anchor->position + entity->offset + entity->length;
+ if ((paint->property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (paint->property->mask & XAW_TPROP_FONT))
+ font = paint->property->font;
+ else
+ font = sink->ascii_sink.font;
+ }
+ else {
+ if (anchor) {
+ while (entity && anchor->position + entity->offset < pos)
+ entity = entity->next;
+ if (entity)
+ pos = anchor->position + entity->offset;
+ else
+ pos = to;
+ }
+ else
+ pos = to;
+ font = sink->ascii_sink.font;
+ }
+ pos = XawMin(pos, to);
+ length = pos - tmp;
+
+ paint->text = XtMalloc(bufsiz = pos - tmp + 4);
+ paint->length = 0;
+ segment.x1 = x;
+
+ pos2 = tmp;
+ while (length > 0) {
+ pos2 = XawTextSourceRead(ctx->text.source, tmp, &block, length);
+ length = pos - pos2;
+ tmp = pos2;
+ for (i = 0; i < block.length; i++) {
+ unsigned char c = (unsigned char)block.ptr[i];
+
+ if (paint->length + 4 > bufsiz)
+ paint->text = XtRealloc(paint->text, bufsiz += 32);
+ paint->text[paint->length] = c;
+ if (c == '\n') {
+ x += CharWidth(sink, font, 0, ' ');
+ continue;
+ }
+ if (c == '\t') {
+ x += XTextWidth(font, paint->text, paint->length);
+ segment.x2 = x + CharWidth(sink, font, x, '\t');
+
+ if (XmuValidSegment(&segment)) {
+ if (!highlight && (paint->property &&
+ (paint->property->mask & XAW_TPROP_BACKGROUND))) {
+ if (ascent > font->ascent) {
+ scanline.y = y;
+ next.y = y + ascent - font->ascent;
+ XmuAreaOr(sink->text_sink.paint->clip, &area);
+ }
+ if (descent >= font->descent) {
+ scanline.y = y + ascent + font->descent;
+ next.y = scanline.y + descent - font->descent + 1;
+ XmuAreaOr(sink->text_sink.paint->clip, &area);
+ }
+ if (paint->backtabs == NULL)
+ paint->backtabs = XmuCreateArea();
+ scanline.y = y + ascent - font->ascent;
+ next.y = y + ascent + font->descent;
+ XmuAreaOr(paint->backtabs, &area);
+ }
+ else {
+ scanline.y = y;
+ next.y = ctx->text.lt.info[line + 1].y;
+ if (highlight) {
+ if (!sink->text_sink.paint->hightabs)
+ sink->text_sink.paint->hightabs =
+ XmuCreateArea();
+ XmuAreaOr(sink->text_sink.paint->hightabs, &area);
+ }
+ else
+ XmuAreaOr(sink->text_sink.paint->clip, &area);
+ }
+ }
+
+ paint->width = segment.x2 - segment.x1;
+ x = segment.x1 = segment.x2;
+
+ if (paint->length == 0) {
+ paint->x = x;
+ continue;
+ }
+ paint->text = XtRealloc(paint->text, paint->length);
+ property = paint->property;
+ paint = XtNew(XawTextPaintStruct);
+ paint->next = sink->text_sink.paint->paint;
+ sink->text_sink.paint->paint = paint;
+ paint->x = x;
+ paint->y = y + ascent;
+ paint->property = property;
+ paint->max_ascent = ascent;
+ paint->max_descent = descent;
+ paint->backtabs = NULL;
+ paint->highlight = highlight;
+ paint->text = XtMalloc(bufsiz = pos - tmp - length +
+ block.length - i + 4);
+ paint->length = 0;
+ continue;
+ }
+ if ((c & 0177) < XawSP || c == 0177) {
+ if (sink->ascii_sink.display_nonprinting) {
+ if (c > 0177) {
+ paint->text[paint->length++] = '\\';
+ paint->text[paint->length++] = ((c >> 6) & 7) + '0';
+ paint->text[paint->length++] = ((c >> 3) & 7) + '0';
+ paint->text[paint->length] = (c & 7) + '0';
+ }
+ else {
+ c |= 0100;
+ paint->text[paint->length++] = '^';
+ paint->text[paint->length] = c == 0177 ? '?' : c;
+ }
+ }
+ else
+ paint->text[paint->length] = ' ';
+ }
+ paint->length++;
+ }
+ }
+
+ x += XTextWidth(font, paint->text, paint->length);
+ segment.x2 = x;
+ if (XmuValidSegment(&segment)) {
+ /* erase only what really is needed */
+ /*if (!highlight || (paint->property &&
+ (paint->property->mask & XAW_TPROP_BACKGROUND))) {
+ if (ascent > font->ascent) {
+ scanline.y = y;
+ next.y = y + ascent - font->ascent;
+ XmuAreaOr(sink->text_sink.paint->clip, &area);
+ }
+ if (descent > font->descent) {
+ scanline.y = y + ascent + font->descent;
+ next.y = scanline.y + descent - font->descent;
+ XmuAreaOr(sink->text_sink.paint->clip, &area);
+ }
+ }
+ else*/ {
+ scanline.y = y;
+ next.y = ctx->text.lt.info[line + 1].y;
+ XmuAreaOr(sink->text_sink.paint->clip, &area);
+ }
+ }
+
+ paint->width = x - segment.x1;
+ }
+
+ xr = x;
+
+ /* pass 3: bearing clipping */
+ if (left < from) {
+ CalculateBearing(ctx, from - 1, xl, y, ascent, descent, highlight, True);
+ if (ctx->text.s.left < ctx->text.s.right) {
+ if (ctx->text.s.right == from)
+ CalculateBearing(ctx, from, xl, y, ascent, descent, True, False);
+ else if (ctx->text.s.left == from)
+ CalculateBearing(ctx, from, xl, y, ascent, descent, False, False);
+ }
+ }
+ right = XawMin(right, ctx->text.lastPos);
+ if (right >= to && to > from) {
+ if (to < right)
+ CalculateBearing(ctx, to, xr, y, ascent, descent, highlight, False);
+ if (ctx->text.s.left < ctx->text.s.right) {
+ if (ctx->text.s.right == to)
+ CalculateBearing(ctx, to - 1, xr, y, ascent, descent, False, True);
+ else if (ctx->text.s.left == to)
+ CalculateBearing(ctx, to - 1, xr, y, ascent, descent, True, True);
+ }
+ }
+}
+
+static int
+qcmp_paint_struct(_Xconst void *left, _Xconst void *right)
+{
+ return ((*(XawTextPaintStruct**)left)->property -
+ (*(XawTextPaintStruct**)right)->property);
+}
+
+static void
+AsciiDoPaint(Widget w)
+{
+ TextWidget ctx = (TextWidget)XtParent(w);
+ AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink;
+ XmuScanline *scan;
+ XmuSegment *seg;
+ XawTextPaintList *list = sink->text_sink.paint;
+#if 0
+ XawTextPaintStruct *base, *head;
+#endif
+ XawTextPaintStruct *paint = list->paint;
+ XawTextProperty *property;
+ XFontStruct *font = NULL;
+ XRectangle *rects;
+ int n_rects, i_rects;
+ GC gc;
+ Bool highlight;
+ XRectangle rect;
+ int width, height, line_width = -1;
+ XGCValues values;
+
+ /* pass 1: clear clipping areas */
+ /* XXX Don't use XDrawImageString because the font may be italic, and
+ will get incorrectly drawn. Probably, it could be a good idea to
+ check if this is the case, and do special processing. But this
+ will need to be checked if required. */
+ for (scan = list->clip->scanline; scan && scan->next; scan = scan->next)
+ for (seg = scan->segment; seg; seg = seg->next)
+ _XawTextSinkClearToBackground(ctx->text.sink,
+ seg->x1, scan->y,
+ seg->x2 - seg->x1,
+ scan->next->y - scan->y);
+
+ /* pass 2: optimize drawing list to avoid too much GC change requests */
+ /* XXX this assumes there will not exist entities drawn over other
+ entities. */
+#if 0
+ while (paint) {
+ base = paint;
+ head = paint->next;
+ while (head) {
+ if (head->property == paint->property) {
+ base->next = head->next;
+ head->next = paint->next;
+ paint->next = head;
+ paint = head;
+ }
+ base = head;
+ head = head->next;
+ }
+ paint = paint->next;
+ }
+#endif
+ if (paint && paint->next) {
+ XawTextPaintStruct **paints;
+ int i = 0, n_paints = 0;
+
+ while (paint) {
+ paint = paint->next;
+ ++n_paints;
+ }
+ paints = (XawTextPaintStruct**)
+ XtMalloc(n_paints * sizeof(XawTextPaintStruct));
+ paint = list->paint;
+ while (paint) {
+ paints[i++] = paint;
+ paint = paint->next;
+ }
+ qsort((void*)paints, n_paints, sizeof(XawTextPaintStruct*),
+ qcmp_paint_struct);
+ list->paint = paints[0];
+ for (i = 0; i < n_paints - 1; i++)
+ paints[i]->next = paints[i + 1];
+ paints[i]->next = NULL;
+ XtFree((XtPointer)paints);
+ }
+
+ /* pass 3: clip gc */
+ gc = sink->ascii_sink.normgc;
+
+ rect.x = ctx->text.r_margin.left;
+ rect.y = ctx->text.r_margin.top;
+ width = (int)XtWidth(ctx) - RHMargins(ctx);
+ height = (int)XtHeight(ctx) - RVMargins(ctx);
+ rect.width = width;
+ rect.height = height;
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), gc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), gc, None);
+
+ /* pass 4: draw backgrounds */
+ paint = list->paint;
+ property = NULL;
+ rects = NULL;
+ i_rects = n_rects = 0;
+ while (paint) {
+ if (paint->property && (paint->property->mask & XAW_TPROP_BACKGROUND)) {
+ if (property != paint->property) {
+ if (i_rects)
+ XFillRectangles(XtDisplay(ctx), XtWindow(ctx), gc,
+ rects, i_rects);
+ i_rects = 0;
+ property = paint->property;
+ if (property->mask & XAW_TPROP_FONT)
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+ XSetForeground(XtDisplay(ctx), gc, property->background);
+ }
+ if (i_rects <= n_rects)
+ rects = (XRectangle*)
+ XtRealloc((XtPointer)rects, sizeof(XRectangle) *
+ ++n_rects);
+ rects[i_rects].x = paint->x;
+ rects[i_rects].y = paint->y - font->ascent;
+ rects[i_rects].width = paint->width;
+ rects[i_rects++].height = font->ascent + font->descent;
+
+ if (paint->backtabs) {
+ for (scan = paint->backtabs->scanline; scan && scan->next;
+ scan = scan->next)
+ for (seg = scan->segment; seg; seg = seg->next) {
+ if (i_rects <= n_rects)
+ rects = (XRectangle*)
+ XtRealloc((XtPointer)rects, sizeof(XRectangle) *
+ ++n_rects);
+ rects[i_rects].x = seg->x1;
+ rects[i_rects].y = scan->y;
+ rects[i_rects].width = seg->x2 - seg->x1;
+ rects[i_rects++].height = scan->next->y - scan->y;
+ }
+ }
+
+
+ }
+ paint = paint->next;
+ }
+ if (i_rects)
+ XFillRectangles(XtDisplay(ctx), XtWindow(ctx), gc, rects, i_rects);
+
+ paint = list->paint;
+ i_rects = 0;
+ while (paint) {
+ if (paint->highlight) {
+ if (i_rects == 0)
+ XSetForeground(XtDisplay(ctx), gc, sink->text_sink.cursor_color);
+ if (i_rects <= n_rects)
+ rects = (XRectangle*)
+ XtRealloc((XtPointer)rects, sizeof(XRectangle) *
+ ++n_rects);
+ rects[i_rects].x = paint->x;
+ rects[i_rects].y = paint->y - paint->max_ascent;
+ rects[i_rects].width = paint->width;
+ rects[i_rects++].height = paint->max_ascent + paint->max_descent + 1;
+ }
+ paint = paint->next;
+ }
+ if (list->hightabs) {
+ for (scan = list->hightabs->scanline; scan && scan->next;
+ scan = scan->next)
+ for (seg = scan->segment; seg; seg = seg->next) {
+ if (i_rects == 0)
+ XSetForeground(XtDisplay(ctx), gc,
+ sink->text_sink.cursor_color);
+ if (i_rects <= n_rects)
+ rects = (XRectangle*)
+ XtRealloc((XtPointer)rects, sizeof(XRectangle) *
+ ++n_rects);
+ rects[i_rects].x = seg->x1;
+ rects[i_rects].y = scan->y;
+ rects[i_rects].width = seg->x2 - seg->x1;
+ rects[i_rects++].height = scan->next->y - scan->y;
+ }
+ }
+
+ if (i_rects)
+ XFillRectangles(XtDisplay(ctx), XtWindow(ctx), gc, rects, i_rects);
+ if (rects)
+ XtFree((XtPointer)rects);
+
+ /* pass 5: draw text! */
+ paint = list->paint;
+ if (paint && (property = paint->property) == NULL) {
+ font = sink->ascii_sink.font;
+ XSetFont(XtDisplay(ctx), gc, font->fid);
+ if (!paint->highlight)
+ XSetForeground(XtDisplay(ctx), gc, sink->text_sink.foreground);
+ }
+ else
+ property = NULL;
+ highlight = False;
+ while (paint) {
+ if (!highlight && paint->highlight)
+ XSetForeground(XtDisplay(ctx), gc, sink->text_sink.background);
+ if (highlight || paint->highlight || paint->property != property) {
+ if (!paint->property || !(paint->property->mask & XAW_TPROP_FONT))
+ font = sink->ascii_sink.font;
+ else
+ font = paint->property->font;
+ XSetFont(XtDisplay(ctx), gc, font->fid);
+ if (!paint->highlight) {
+ if (!paint->property ||
+ !(paint->property->mask & XAW_TPROP_FOREGROUND))
+ XSetForeground(XtDisplay(ctx), gc,
+ sink->text_sink.foreground);
+ else
+ XSetForeground(XtDisplay(ctx), gc,
+ paint->property->foreground);
+ }
+ highlight = paint->highlight;
+ property = paint->property;
+ }
+
+ if (paint->x < XtWidth(ctx) && paint->x + paint->width > 0) {
+ XDrawString(XtDisplay(ctx), XtWindow(ctx), gc, paint->x, paint->y,
+ paint->text, paint->length);
+ if (property) {
+ if (property->mask & XAW_TPROP_UNDERLINE) {
+ if (line_width != property->underline_thickness) {
+ values.line_width = line_width =
+ property->underline_thickness;
+ XChangeGC(XtDisplay(ctx), gc, GCLineWidth, &values);
+ }
+
+ XDrawLine(XtDisplay(ctx), XtWindow(ctx), gc, paint->x,
+ paint->y + property->underline_position,
+ paint->x + paint->width,
+ paint->y + property->underline_position);
+ }
+ if (property->mask & XAW_TPROP_OVERSTRIKE) {
+ if (line_width != property->underline_thickness) {
+ values.line_width = line_width =
+ property->underline_thickness;
+ XChangeGC(XtDisplay(ctx), gc, GCLineWidth, &values);
+ }
+
+ XDrawLine(XtDisplay(ctx), XtWindow(ctx), gc, paint->x,
+ paint->y - (font->ascent>>1) + (font->descent>>1),
+ paint->x + paint->width,
+ paint->y - (font->ascent>>1) + (font->descent>>1));
+ }
+ }
+ }
+
+ paint = paint->next;
+ }
+
+ /* pass 6: bearing clipping */
+ /* dont care on order of drawing or caching of state (by now) */
+ paint = list->bearings;
+ while (paint) {
+ XRectangle rect;
+
+ if (paint->highlight)
+ XSetForeground(XtDisplay(ctx), gc, sink->text_sink.background);
+ if (!paint->property || !(paint->property->mask & XAW_TPROP_FONT))
+ font = sink->ascii_sink.font;
+ else
+ font = paint->property->font;
+ XSetFont(XtDisplay(ctx), gc, font->fid);
+ if (!paint->highlight) {
+ if (!paint->property ||
+ !(paint->property->mask & XAW_TPROP_FOREGROUND))
+ XSetForeground(XtDisplay(ctx), gc, sink->text_sink.foreground);
+ else
+ XSetForeground(XtDisplay(ctx), gc, paint->property->foreground);
+ }
+ if (paint->x < XtWidth(ctx) && paint->x + paint->width > 0) {
+ rect.x = paint->x + paint->width;
+ rect.width = XawAbs(paint->width); /* more than enough */
+ rect.y = paint->y - font->ascent;
+ rect.height = rect.y + font->ascent + font->descent;
+ XSetClipRectangles(XtDisplay((Widget)ctx), gc,
+ 0, 0, &rect, 1, Unsorted);
+ XDrawString(XtDisplay(ctx), XtWindow(ctx), gc, paint->x, paint->y,
+ paint->text, paint->length);
+ }
+ paint = paint->next;
+ }
+}
+#endif
+
+/*
+ * Function:
+ * PaintText
+ *
+ * Parameters:
+ * w - text sink object
+ * gc - gc to paint text with
+ * x - location to paint the text
+ * y - ""
+ * buf - buffer and length of text to paint.
+ * len - ""
+ * clear_bg - clear background before drawing ?
+ *
+ * Description:
+ * Actually paints the text into the window.
+ *
+ * Returns:
+ * the width of the text painted
+ */
+static unsigned int
+PaintText(Widget w, GC gc, int x, int y, char *buf, int len, Bool clear_bg)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ int width = XTextWidth(sink->ascii_sink.font, buf, len);
+
+ if ((x > XtWidth(ctx)) || width <= -x) /* Don't draw if we can't see it */
+ return (width);
+
+ if (clear_bg) {
+ _XawTextSinkClearToBackground(w, x, y - sink->ascii_sink.font->ascent,
+ width, sink->ascii_sink.font->ascent
+ + sink->ascii_sink.font->descent);
+ XDrawString(XtDisplay(ctx), XtWindow(ctx), gc, x, y, buf, len);
+ }
+ else
+ XDrawImageString(XtDisplay(ctx), XtWindow(ctx), gc, x, y, buf, len);
+
+ return (width);
+}
+
+static void
+DisplayText(Widget w, int x, int y,
+ XawTextPosition pos1, XawTextPosition pos2, Bool highlight)
+{
+ TextWidget ctx = (TextWidget)XtParent(w);
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ XFontStruct *font = sink->ascii_sink.font;
+ Widget source = XawTextGetSource(XtParent(w));
+ unsigned char buf[260];
+ int j, k;
+ XawTextBlock blk;
+ GC gc, invgc, tabgc;
+ int max_x;
+ Bool clear_bg;
+
+ if (!sink->ascii_sink.echo || !ctx->text.lt.lines)
+ return;
+
+ max_x = (int)XtWidth(ctx) - ctx->text.r_margin.right;
+ clear_bg = !highlight && ctx->core.background_pixmap != XtUnspecifiedPixmap;
+
+ gc = highlight ? sink->ascii_sink.invgc : sink->ascii_sink.normgc;
+ invgc = highlight ? sink->ascii_sink.normgc : sink->ascii_sink.invgc;
+
+ if (highlight && sink->ascii_sink.xorgc)
+ tabgc = sink->ascii_sink.xorgc;
+ else
+ tabgc = invgc;
+
+ y += sink->ascii_sink.font->ascent;
+ for (j = 0; pos1 < pos2;) {
+ pos1 = XawTextSourceRead(source, pos1, &blk, pos2 - pos1);
+ for (k = 0; k < blk.length; k++) {
+ if (j >= sizeof(buf) - 4) { /* buffer full, dump the text */
+ if ((x += PaintText(w, gc, x, y, (char*)buf, j, clear_bg))
+ >= max_x)
+ return;
+ j = 0;
+ }
+ buf[j] = blk.ptr[k];
+ if (buf[j] == XawLF) /* line feeds ('\n') are not printed */
+ continue;
+
+ else if (buf[j] == '\t') {
+ int width;
+
+ if (j != 0
+ && (x += PaintText(w, gc, x, y, (char*)buf, j, clear_bg))
+ >= max_x)
+ return;
+
+ if ((width = CharWidth(sink, font, x, '\t')) > -x) {
+ if (clear_bg)
+ _XawTextSinkClearToBackground(w, x, y-font->ascent, width,
+ font->ascent+font->descent);
+ else
+ XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w),
+ tabgc, x, y - font->ascent, width,
+ font->ascent + font->descent);
+ }
+
+ if ((x += width) >= max_x)
+ return;
+
+ j = -1;
+ }
+ else if ((buf[j] & 0177) < XawSP || buf[j] == 0177) {
+ if (sink->ascii_sink.display_nonprinting) {
+ unsigned char c = buf[j];
+
+ if (c > 0177) {
+ buf[j++] = '\\';
+ buf[j++] = ((c >> 6) & 7) + '0';
+ buf[j++] = ((c >> 3) & 7) + '0';
+ buf[j] = (c & 7) + '0';
+ }
+ else {
+ c |= 0100;
+ buf[j++] = '^';
+ buf[j] = c == 0177 ? '?' : c;
+ }
+ }
+ else
+ buf[j] = ' ';
+ }
+ j++;
+ }
+ }
+
+ if (j > 0)
+ (void)PaintText(w, gc, x, y, (char*)buf, j, clear_bg);
+}
+
+/*
+ * Function:
+ * GetCursorBounds
+ *
+ * Parameters:
+ * w - text sink object
+ * rect - X rectangle to return the cursor bounds
+ *
+ * Description:
+ * Returns the size and location of the cursor.
+ */
+static void
+GetCursorBounds(Widget w, XRectangle *rect)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ XFontStruct *font = sink->ascii_sink.font;
+ unsigned char ch;
+#ifndef OLDXAW
+ TextWidget ctx = (TextWidget)XtParent(w);
+ XawTextBlock block;
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+
+ if (XawTextSourceAnchorAndEntity(XawTextGetSource(XtParent(w)),
+ sink->ascii_sink.cursor_position,
+ &anchor, &entity)) {
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ }
+ (void)XawTextSourceRead(XawTextGetSource((Widget)ctx),
+ ctx->text.insertPos, &block, 1);
+ if (!block.length || block.ptr[0] == '\n' || block.ptr[0] == '\t')
+ ch = ' ';
+ else if ((*((unsigned char*)block.ptr) & 0177) < XawSP ||
+ *(unsigned char*)block.ptr == 0177) {
+ if (sink->ascii_sink.display_nonprinting)
+ ch = *((unsigned char*)block.ptr) > 0177 ? '\\' : '^';
+ else
+ ch = ' ';
+ }
+ else
+ ch = *(unsigned char*)block.ptr;
+#else
+ ch = ' ';
+#endif
+
+ rect->width = CharWidth(sink, font, 0, ch);
+ rect->height = font->descent + font->ascent + 1;
+
+ rect->x = sink->ascii_sink.cursor_x;
+ rect->y = sink->ascii_sink.cursor_y - font->ascent;
+}
+
+/* this function is required to support diferent fonts and correctly place
+ * the cursor. There are better ways to calculate the base line, but there is
+ * no place/code (yet) to store this information.
+ */
+static int
+FindCursorY(TextWidget ctx, XawTextPosition position)
+{
+ int y, line, ascent;
+ AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink;
+#ifndef OLDXAW
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+ XawTextPosition left, right;
+#endif
+
+ for (line = 0; line < ctx->text.lt.lines; line++)
+ if (position < ctx->text.lt.info[line + 1].position)
+ break;
+
+ y = ctx->text.lt.info[line].y;
+#ifndef OLDXAW
+ ascent = 0;
+ left = ctx->text.lt.info[line].position;
+ right = ctx->text.lt.info[line + 1].position;
+ right = XawMin(right, ctx->text.lastPos + 1);
+ while (left < right) {
+ if (XawTextSourceAnchorAndEntity(ctx->text.source, left,
+ &anchor, &entity)) {
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ ascent = XawMax(property->font->ascent, ascent);
+ else
+ ascent = XawMax(sink->ascii_sink.font->ascent, ascent);
+ left = anchor->position + entity->offset + entity->length;
+ }
+ else if (anchor) {
+ ascent = XawMax(sink->ascii_sink.font->ascent, ascent);
+ while (entity) {
+ XawTextPosition tmp = anchor->position + entity->offset + entity->length;
+
+ if (tmp > left && tmp < right) {
+ left = tmp;
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ ascent = XawMax(property->font->ascent, ascent);
+ else
+ ascent = XawMax(sink->ascii_sink.font->ascent, ascent);
+ }
+ entity = entity->next;
+ }
+ if (entity == NULL)
+ break;
+ }
+ else {
+ ascent = XawMax(sink->ascii_sink.font->ascent, ascent);
+ break;
+ }
+ }
+ if (!ascent)
+ ascent = sink->ascii_sink.font->ascent;
+#else
+ ascent = sink->ascii_sink.font->ascent;
+#endif
+
+ return (y + ascent);
+}
+
+static void
+InsertCursor(Widget w, int x, int y, XawTextInsertState state)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ XFontStruct *font = sink->ascii_sink.font;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ XawTextPosition position = XawTextGetInsertionPoint((Widget)ctx);
+ Boolean overflow = (x & 0xffff8000) != 0;
+#ifndef OLDXAW
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+#endif
+
+ if (XtIsRealized((Widget)ctx)) {
+ int fheight;
+ XawTextBlock block;
+ XawTextPosition selection_start, selection_end;
+ Boolean has_selection;
+
+ if (!sink->ascii_sink.echo) {
+ if (sink->ascii_sink.laststate != state) {
+ int width = CharWidth(sink, font, 0, ' ') - 1;
+
+ x = ctx->text.margin.left;
+ y = ctx->text.margin.top;
+ font = sink->ascii_sink.font;
+ fheight = font->ascent + font->descent;
+ if (state == XawisOn) {
+ if (ctx->text.hasfocus)
+ XFillRectangle(XtDisplay(ctx), XtWindow(ctx),
+ sink->ascii_sink.xorgc, x, y,
+ width + 1, fheight + 1);
+ else
+ XDrawRectangle(XtDisplay(ctx), XtWindow(ctx),
+ sink->ascii_sink.xorgc, x, y,
+ width, fheight);
+
+ }
+ else
+ _XawTextSinkClearToBackground(w, x, y,
+ width + 1, fheight + 1);
+ }
+ sink->ascii_sink.cursor_x = x;
+ sink->ascii_sink.cursor_y = y;
+ sink->ascii_sink.laststate = state;
+ return;
+ }
+
+
+ XawTextGetSelectionPos((Widget)ctx, &selection_start, &selection_end);
+ has_selection = selection_start != selection_end;
+
+ if (sink->ascii_sink.laststate != state) {
+ unsigned char ch;
+
+#ifndef OLDXAW
+ if (XawTextSourceAnchorAndEntity(ctx->text.source,
+ position, &anchor, &entity) &&
+ (property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+#endif
+
+ fheight = font->ascent + font->descent;
+ (void)XawTextSourceRead(XawTextGetSource((Widget)ctx),
+ position, &block, 1);
+ if (!block.length || block.ptr[0] == '\n' || block.ptr[0] == '\t')
+ ch = ' ';
+ else if ((*((unsigned char*)block.ptr) & 0177) < XawSP
+ || *(unsigned char*)block.ptr == 0177) {
+ if (sink->ascii_sink.display_nonprinting)
+ ch = *((unsigned char*)block.ptr) > 0177 ? '\\' : '^';
+ else
+ ch = ' ';
+ }
+ else
+ ch = *(unsigned char*)block.ptr;
+
+ y = FindCursorY(ctx, position);
+ if (ctx->text.hasfocus && !has_selection)
+ XFillRectangle(XtDisplay(ctx), XtWindow(ctx),
+ sink->ascii_sink.xorgc, x, y - font->ascent,
+ CharWidth(sink, font, 0, ch), fheight + 1);
+ else
+ XDrawRectangle(XtDisplay(ctx), XtWindow(ctx),
+ sink->ascii_sink.xorgc, x, y - font->ascent,
+ CharWidth(sink, font, 0, ch) - 1, fheight);
+ }
+ }
+
+ sink->ascii_sink.cursor_x = overflow ? -16384 : x;
+ sink->ascii_sink.cursor_y = y;
+ sink->ascii_sink.laststate = state;
+ sink->ascii_sink.cursor_position = position;
+}
+
+/*
+ * Given two positions, find the distance between them
+ */
+static void
+FindDistance(Widget w, XawTextPosition fromPos, int fromx,
+ XawTextPosition toPos, int *resWidth,
+ XawTextPosition *resPos, int *resHeight)
+{
+#ifndef OLDXAW
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ XFontStruct *font = sink->ascii_sink.font;
+ Widget source = ctx->text.source;
+ XawTextPosition idx, pos;
+ unsigned char c;
+ XawTextBlock blk;
+ int i, rWidth, ascent = 0, descent = 0;
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+ Cardinal length;
+ Bool done = False;
+
+ pos = idx = fromPos;
+ rWidth = 0;
+ c = 0;
+
+ while (!done) {
+ if (XawTextSourceAnchorAndEntity(source, pos, &anchor, &entity)) {
+ length = anchor->position + entity->offset + entity->length;
+ length = XawMin(toPos, length) - pos;
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+ }
+ else {
+ if (anchor) {
+ while (entity && anchor->position + entity->offset < pos)
+ entity = entity->next;
+ if (entity) {
+ length = anchor->position + entity->offset;
+ length = XawMin(toPos, length) - pos;
+ }
+ else
+ length = XawMin(toPos - pos, 4096);
+ }
+ else
+ length = XawMin(toPos - pos, 4096);
+ font = sink->ascii_sink.font;
+ }
+
+ ascent = XawMax(font->ascent, ascent);
+ descent = XawMax(font->descent, descent);
+
+ pos = XawTextSourceRead(source, pos, &blk, length);
+ if (blk.length == 0 && pos == idx) /* eof reached */
+ break;
+
+ idx = blk.firstPos;
+ for (i = 0; idx < toPos; i++, idx++) {
+ if (i >= blk.length)
+ break;
+ c = blk.ptr[i];
+ rWidth += CharWidth(sink, font, fromx + rWidth, c);
+ if (c == XawLF) {
+ idx++;
+ done = True;
+ break;
+ }
+ }
+ if (idx >= toPos)
+ break;
+ }
+
+ *resPos = idx;
+ *resWidth = rWidth;
+ *resHeight = ascent + descent + 1;
+#else
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ XFontStruct *font = sink->ascii_sink.font;
+ Widget source = ctx->text.source;
+ XawTextPosition idx, pos;
+ unsigned char c;
+ XawTextBlock blk;
+ int i, rWidth;
+
+ pos = XawTextSourceRead(source, fromPos, &blk, toPos - fromPos);
+ rWidth = 0;
+ for (i = 0, idx = fromPos; idx < toPos; i++, idx++) {
+ if (i >= blk.length) {
+ i = 0;
+ pos = XawTextSourceRead(source, pos, &blk, toPos - pos);
+ if (blk.length == 0)
+ break;
+ }
+ c = blk.ptr[i];
+ rWidth += CharWidth(sink, font, fromx + rWidth, c);
+ if (c == XawLF) {
+ idx++;
+ break;
+ }
+ }
+
+ *resPos = idx;
+ *resWidth = rWidth;
+ *resHeight = font->ascent + font->descent + 1;
+#endif
+}
+
+static void
+FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width,
+ Bool stopAtWordBreak, XawTextPosition *resPos,
+ int *resWidth, int *resHeight)
+{
+#ifndef OLDXAW
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ Widget source = ctx->text.source;
+ XFontStruct *font = sink->ascii_sink.font;
+ XawTextPosition idx, pos, whiteSpacePosition = 0;
+ int i, lastWidth, whiteSpaceWidth, rWidth, ascent = 0, descent = 0;
+ Boolean whiteSpaceSeen;
+ unsigned char c;
+ XawTextBlock blk;
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+ Cardinal length;
+ Bool done = False;
+
+ pos = idx = fromPos;
+ rWidth = lastWidth = whiteSpaceWidth = 0;
+ whiteSpaceSeen = False;
+ c = 0;
+
+ while (!done) {
+ font = sink->ascii_sink.font;
+ if (XawTextSourceAnchorAndEntity(source, pos, &anchor, &entity)) {
+ length = anchor->position + entity->offset + entity->length - pos;
+ if ((property = XawTextSinkGetProperty((Widget)sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ }
+ else {
+ if (anchor) {
+ while (entity && anchor->position + entity->offset < pos)
+ entity = entity->next;
+ if (entity)
+ length = anchor->position + entity->offset - pos;
+ else
+ length = 4096;
+ }
+ else
+ length = 4096;
+ }
+
+ ascent = XawMax(font->ascent, ascent);
+ descent = XawMax(font->descent, descent);
+
+ pos = XawTextSourceRead(source, pos, &blk, length);
+ if (blk.length == 0 && pos == idx) /* eof reached */
+ break;
+
+ idx = blk.firstPos;
+ for (i = 0; rWidth <= width && i < blk.length; i++, idx++) {
+ c = blk.ptr[i];
+ lastWidth = rWidth;
+ rWidth += CharWidth(sink, font, fromx + rWidth, c);
+
+ if (c == XawLF) {
+ idx++;
+ done = True;
+ break;
+ }
+ else if ((c == XawSP || c == XawTAB) && rWidth <= width) {
+ whiteSpaceSeen = True;
+ whiteSpacePosition = idx;
+ whiteSpaceWidth = rWidth;
+ }
+ }
+ if (rWidth > width)
+ break;
+ }
+
+ if (rWidth > width && idx > fromPos) {
+ idx--;
+ rWidth = lastWidth;
+ if (stopAtWordBreak && whiteSpaceSeen) {
+ idx = whiteSpacePosition + 1;
+ rWidth = whiteSpaceWidth;
+ }
+ }
+
+ if (idx >= ctx->text.lastPos && c != XawLF)
+ idx = ctx->text.lastPos + 1;
+
+ *resPos = idx;
+ *resWidth = rWidth;
+ *resHeight = ascent + descent + 1;
+#else
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ Widget source = ctx->text.source;
+ XFontStruct *font = sink->ascii_sink.font;
+ XawTextPosition idx, pos, whiteSpacePosition = 0;
+ int i, lastWidth, whiteSpaceWidth, rWidth;
+ Boolean whiteSpaceSeen;
+ unsigned char c;
+ XawTextBlock blk;
+
+ pos = XawTextSourceRead(source, fromPos, &blk, BUFSIZ);
+ rWidth = lastWidth = whiteSpaceWidth = 0;
+ whiteSpaceSeen = False;
+ c = 0;
+
+ for (i = 0, idx = fromPos; rWidth <= width; i++, idx++) {
+ if (i >= blk.length) {
+ i = 0;
+ pos = XawTextSourceRead(source, pos, &blk, BUFSIZ);
+ if (blk.length == 0)
+ break;
+ }
+ c = blk.ptr[i];
+ lastWidth = rWidth;
+ rWidth += CharWidth(sink, font, fromx + rWidth, c);
+
+ if (c == XawLF) {
+ idx++;
+ break;
+ }
+ else if ((c == XawSP || c == XawTAB) && rWidth <= width) {
+ whiteSpaceSeen = True;
+ whiteSpacePosition = idx;
+ whiteSpaceWidth = rWidth;
+ }
+ }
+
+ if (rWidth > width && idx > fromPos) {
+ idx--;
+ rWidth = lastWidth;
+ if (stopAtWordBreak && whiteSpaceSeen) {
+ idx = whiteSpacePosition + 1;
+ rWidth = whiteSpaceWidth;
+ }
+ }
+
+ if (idx >= ctx->text.lastPos && c != XawLF)
+ idx = ctx->text.lastPos + 1;
+
+ *resPos = idx;
+ *resWidth = rWidth;
+ *resHeight = font->ascent + font->descent + 1;
+#endif
+}
+
+static void
+Resolve(Widget w, XawTextPosition pos, int fromx, int width,
+ XawTextPosition *pos_return)
+{
+ int resWidth, resHeight;
+ Widget source = XawTextGetSource(XtParent(w));
+
+ FindPosition(w, pos, fromx, width, False, pos_return, &resWidth, &resHeight);
+ if (*pos_return > GETLASTPOS)
+ *pos_return = GETLASTPOS;
+}
+
+static void
+GetGC(AsciiSinkObject sink)
+{
+ XtGCMask valuemask = (GCFont | GCGraphicsExposures | GCClipXOrigin |
+ GCForeground | GCBackground);
+ XGCValues values;
+
+ /* XXX We dont want do share a gc that will change the clip-mask */
+ values.clip_x_origin = (long)sink;
+ values.clip_mask = None;
+ values.font = sink->ascii_sink.font->fid;
+ values.graphics_exposures = False;
+
+ values.foreground = sink->text_sink.foreground;
+ values.background = sink->text_sink.background;
+ sink->ascii_sink.normgc = XtAllocateGC((Widget)sink, 0, valuemask, &values,
+ GCClipMask | GCFont | GCForeground |
+ GCBackground, 0);
+
+ values.foreground = sink->text_sink.background;
+#ifndef OLDXAW
+ values.background = sink->text_sink.cursor_color;
+#else
+ values.background = sink->text_sink.foreground;
+#endif
+ sink->ascii_sink.invgc = XtAllocateGC((Widget)sink, 0, valuemask, &values,
+ GCClipMask | GCFont, 0);
+
+ valuemask |= GCFunction;
+ values.function = GXxor;
+#ifndef OLDXAW
+ values.foreground = sink->text_sink.background ^ sink->text_sink.cursor_color;
+#else
+ values.foreground = sink->text_sink.background ^ sink->text_sink.foreground;
+#endif
+ values.background = 0L;
+ sink->ascii_sink.xorgc = XtAllocateGC((Widget)sink, 0, valuemask,
+ &values, GCClipMask | GCFont, 0);
+
+ XawAsciiSinkResize((Widget)sink);
+}
+
+/* Function:
+ * XawAsciiSinkInitialize
+ *
+ * Parameters:
+ * request - the requested and new values for the object instance
+ * cnew - ""
+ *
+ * Description:
+ * Initializes the TextSink Object.
+ */
+/*ARGSUSED*/
+static void
+XawAsciiSinkInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)cnew;
+
+ GetGC(sink);
+
+ if (!sink->ascii_sink.font) XtError("Aborting: no font found\n");
+
+ sink->ascii_sink.cursor_position = 0;
+ sink->ascii_sink.laststate = XawisOff;
+ sink->ascii_sink.cursor_x = sink->ascii_sink.cursor_y = 0;
+}
+
+/*
+ * Function:
+ * XawAsciiSinkDestroy
+ *
+ * Parameters:
+ * w - AsciiSink Object
+ *
+ * Description:
+ * This function cleans up when the object is destroyed.
+ */
+static void
+XawAsciiSinkDestroy(Widget w)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+
+ XtReleaseGC(w, sink->ascii_sink.normgc);
+ XtReleaseGC(w, sink->ascii_sink.invgc);
+ XtReleaseGC(w, sink->ascii_sink.xorgc);
+
+ sink->ascii_sink.normgc =
+ sink->ascii_sink.invgc =
+ sink->ascii_sink.xorgc = NULL;
+}
+
+static void
+XawAsciiSinkResize(Widget w)
+{
+ TextWidget ctx = (TextWidget)XtParent(w);
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ XRectangle rect;
+ int width, height;
+
+ if (w->core.widget_class != asciiSinkObjectClass)
+ return;
+
+ rect.x = ctx->text.r_margin.left;
+ rect.y = ctx->text.r_margin.top;
+ width = (int)XtWidth(ctx) - RHMargins(ctx);
+ height = (int)XtHeight(ctx) - RVMargins(ctx);
+ rect.width = width;
+ rect.height = height;
+
+ if (sink->ascii_sink.normgc) {
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), sink->ascii_sink.normgc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), sink->ascii_sink.normgc, None);
+ }
+ if (sink->ascii_sink.invgc) {
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), sink->ascii_sink.invgc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), sink->ascii_sink.invgc, None);
+ }
+ if (sink->ascii_sink.xorgc) {
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), sink->ascii_sink.xorgc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), sink->ascii_sink.xorgc, None);
+ }
+}
+
+/*
+ * Function:
+ * XawAsciiSinkSetValues
+ *
+ * Parameters:
+ * current - current state of the object
+ * request - what was requested
+ * cnew - what the object will become
+ *
+ * Description:
+ * Sets the values for the AsciiSink.
+ *
+ * Returns:
+ * True if redisplay is needed
+ */
+/*ARGSUSED*/
+static Boolean
+XawAsciiSinkSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ AsciiSinkObject w = (AsciiSinkObject)cnew;
+ AsciiSinkObject old_w = (AsciiSinkObject)current;
+
+ if (w->ascii_sink.font != old_w->ascii_sink.font
+ || w->text_sink.background != old_w->text_sink.background
+ || w->text_sink.foreground != old_w->text_sink.foreground
+#ifndef OLDXAW
+ || w->text_sink.cursor_color != old_w->text_sink.cursor_color
+ || w->text_sink.properties != old_w->text_sink.properties
+#endif
+ ) {
+#ifdef OLDXAW
+ XtReleaseGC(cnew, w->ascii_sink.normgc);
+ XtReleaseGC(cnew, w->ascii_sink.invgc);
+ XtReleaseGC(cnew, w->ascii_sink.xorgc);
+ GetGC(w);
+#endif
+ ((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+ }
+ else if (w->ascii_sink.echo != old_w->ascii_sink.echo
+ || w->ascii_sink.display_nonprinting
+ != old_w->ascii_sink.display_nonprinting)
+ ((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+#ifndef OLDXAW
+ if (w->text_sink.properties != old_w->text_sink.properties) {
+ XawTextProperty *property =
+ XawTextSinkGetProperty(cnew, XrmStringToQuark("default"));
+
+ if (property) {
+ if (property->mask & XAW_TPROP_FONT)
+ w->ascii_sink.font = property->font;
+ if (property->mask & XAW_TPROP_FOREGROUND)
+ w->text_sink.foreground = property->foreground;
+ if (property->mask & XAW_TPROP_BACKGROUND)
+ w->text_sink.background = property->background;
+ }
+ }
+#endif
+
+ return (False);
+}
+
+/*
+ * Function:
+ * MaxLines
+ *
+ * Parameters:
+ * w - AsciiSink Object
+ * height - height to fit lines into
+ *
+ * Description:
+ * Finds the Maximum number of lines that will fit in a given height.
+ *
+ * Returns:
+ * The number of lines that will fit
+ */
+/*ARGSUSED*/
+static int
+MaxLines(Widget w, unsigned int height)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ int font_height;
+
+ font_height = sink->ascii_sink.font->ascent + sink->ascii_sink.font->descent + 1;
+
+ return ((int)height / font_height);
+}
+
+/*
+ * Function:
+ * MaxHeight
+ *
+ * Parameters:
+ * w - AsciiSink Object
+ * lines - number of lines
+ *
+ * Description:
+ * Finds the Minium height that will contain a given number lines.
+ *
+ * Returns:
+ * the height
+ */
+static int
+MaxHeight(Widget w, int lines)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+
+ return (lines * (sink->ascii_sink.font->ascent +
+ sink->ascii_sink.font->descent + 1));
+}
+
+/*
+ * Function:
+ * SetTabs
+ *
+ * Parameters:
+ * w - AsciiSink Object
+ * tab_count - number of tabs in the list
+ * tabs - text positions of the tabs
+ *
+ * Description:
+ * Sets the Tab stops.
+ */
+static void
+SetTabs(Widget w, int tab_count, short *tabs)
+{
+ AsciiSinkObject sink = (AsciiSinkObject)w;
+ int i;
+ Atom XA_FIGURE_WIDTH;
+ unsigned long figure_width = 0;
+ XFontStruct *font = sink->ascii_sink.font;
+
+ /*
+ * Find the figure width of the current font
+ */
+ XA_FIGURE_WIDTH = XInternAtom(XtDisplayOfObject(w), "FIGURE_WIDTH", False);
+ if (XA_FIGURE_WIDTH != None
+ && (!XGetFontProperty(font, XA_FIGURE_WIDTH, &figure_width)
+ || figure_width == 0)) {
+ if (font->per_char && font->min_char_or_byte2 <= '$'
+ && font->max_char_or_byte2 >= '$')
+ figure_width = font->per_char['$' - font->min_char_or_byte2].width;
+ else
+ figure_width = font->max_bounds.width;
+ }
+
+ if (tab_count > sink->text_sink.tab_count) {
+ sink->text_sink.tabs = (Position *)
+ XtRealloc((char*)sink->text_sink.tabs, tab_count * sizeof(Position));
+ sink->text_sink.char_tabs = (short *)
+ XtRealloc((char*)sink->text_sink.char_tabs, tab_count * sizeof(short));
+ }
+
+ for (i = 0 ; i < tab_count ; i++) {
+ sink->text_sink.tabs[i] = tabs[i] * figure_width;
+ sink->text_sink.char_tabs[i] = tabs[i];
+ }
+
+ sink->text_sink.tab_count = tab_count;
+
+#ifndef NO_TAB_FIX
+ {
+ TextWidget ctx = (TextWidget)XtParent(w);
+ ctx->text.redisplay_needed = True;
+ _XawTextBuildLineTable(ctx, ctx->text.lt.top, True);
+ }
+#endif
+}
diff --git a/libXaw/src/AsciiSrc.c b/libXaw/src/AsciiSrc.c index 245a65464..2a07e6220 100644 --- a/libXaw/src/AsciiSrc.c +++ b/libXaw/src/AsciiSrc.c @@ -1,1888 +1,1888 @@ -/* - -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* - * AsciiSrc.c - AsciiSrc object. (For use with the text widget). - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xfuncs.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/XawInit.h> -#include <X11/Xaw/AsciiSrcP.h> -#include <X11/Xaw/MultiSrcP.h> -#ifndef OLDXAW -#include <X11/Xaw/TextSinkP.h> -#include <X11/Xaw/AsciiSinkP.h> -#endif -#include "Private.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -#if (defined(ASCII_STRING) || defined(ASCII_DISK)) -#include <X11/Xaw/AsciiText.h> /* for Widget Classes */ -#endif - -#ifdef X_NOT_POSIX -#define Off_t long -#define Size_t unsigned int -#else -#define Off_t off_t -#define Size_t size_t -#endif - -#define MAGIC_VALUE ((XawTextPosition)-1) -#define streq(a, b) (strcmp((a), (b)) == 0) - -/* - * Class Methods - */ -static void XawAsciiSrcClassInitialize(void); -static void XawAsciiSrcDestroy(Widget); -static void XawAsciiSrcGetValuesHook(Widget, ArgList, Cardinal*); -static void XawAsciiSrcInitialize(Widget, Widget, ArgList, Cardinal*); -static Boolean XawAsciiSrcSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static XawTextPosition ReadText(Widget, XawTextPosition, XawTextBlock*, int); -static int ReplaceText(Widget, XawTextPosition, XawTextPosition, - XawTextBlock*); -static XawTextPosition Scan(Widget, XawTextPosition, XawTextScanType, - XawTextScanDirection, int, Bool); -static XawTextPosition Search(Widget, XawTextPosition, XawTextScanDirection, - XawTextBlock*); - -/* - * Prototypes - */ -static Piece *AllocNewPiece(AsciiSrcObject, Piece*); -static void BreakPiece(AsciiSrcObject, Piece*); -static Boolean CvtAsciiTypeToString(Display*, XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr, XtPointer*); -static void CvtStringToAsciiType(XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr); -static Piece *FindPiece(AsciiSrcObject, XawTextPosition, XawTextPosition*); -static void FreeAllPieces(AsciiSrcObject); -static FILE *InitStringOrFile(AsciiSrcObject, Bool); -static void LoadPieces(AsciiSrcObject, FILE*, char*); -static void RemoveOldStringOrFile(AsciiSrcObject, Bool); -static void RemovePiece(AsciiSrcObject, Piece*); -static String StorePiecesInString(AsciiSrcObject); -static Bool WriteToFile(String, String, unsigned); -static Bool WritePiecesToFile(AsciiSrcObject, String); -static void GetDefaultPieceSize(Widget, int, XrmValue*); - -/* - * More Prototypes - */ -#ifdef ASCII_DISK -Widget XawAsciiDiskSourceCreate(Widget, ArgList, Cardinal); -#endif -#ifdef ASCII_STRING -Widget XawStringSourceCreate(Widget, ArgList, Cardinal); -void XawTextSetLastPos(Widget, XawTextPosition); -#endif - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(AsciiSrcRec, ascii_src.field) -static XtResource resources[] = { - { - XtNstring, - XtCString, - XtRString, - sizeof(char*), - offset(string), - XtRString, - NULL - }, - { - XtNtype, - XtCType, - XtRAsciiType, - sizeof(XawAsciiType), - offset(type), - XtRImmediate, - (XtPointer)XawAsciiString - }, - { - XtNdataCompression, - XtCDataCompression, - XtRBoolean, - sizeof(Boolean), - offset(data_compression), - XtRImmediate, - (XtPointer)True - }, - { - XtNpieceSize, - XtCPieceSize, - XtRInt, - sizeof(XawTextPosition), - offset(piece_size), - XtRCallProc, - (XtPointer)GetDefaultPieceSize - }, -#ifdef OLDXAW - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(callback), - XtRCallback, - (XtPointer)NULL - }, -#endif - { - XtNuseStringInPlace, - XtCUseStringInPlace, - XtRBoolean, - sizeof(Boolean), - offset(use_string_in_place), - XtRImmediate, - (XtPointer)False - }, - { - XtNlength, - XtCLength, - XtRInt, - sizeof(int), - offset(ascii_length), - XtRImmediate, - (XtPointer)MAGIC_VALUE - }, -#ifdef ASCII_DISK - { - XtNfile, - XtCFile, - XtRString, - sizeof(String), - offset(filename), - XtRString, - NULL - }, -#endif /* ASCII_DISK */ -}; -#undef offset - - -#define Superclass (&textSrcClassRec) -AsciiSrcClassRec asciiSrcClassRec = { - /* object */ - { - (WidgetClass)Superclass, /* superclass */ - "AsciiSrc", /* class_name */ - sizeof(AsciiSrcRec), /* widget_size */ - XawAsciiSrcClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawAsciiSrcInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - False, /* compress_exposure */ - False, /* compress_enterleave */ - False, /* visible_interest */ - XawAsciiSrcDestroy, /* destroy */ - NULL, /* resize */ - NULL, /* expose */ - XawAsciiSrcSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* set_values_almost */ - XawAsciiSrcGetValuesHook, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - NULL, /* query_geometry */ - NULL, /* display_accelerator */ - NULL, /* extension */ - }, - /* text_src */ - { - ReadText, /* Read */ - ReplaceText, /* Replace */ - Scan, /* Scan */ - Search, /* Search */ - XtInheritSetSelection, /* SetSelection */ - XtInheritConvertSelection, /* ConvertSelection */ - }, - /* ascii_src */ - { - NULL, /* extension */ - }, -}; - -WidgetClass asciiSrcObjectClass = (WidgetClass)&asciiSrcClassRec; - -static XrmQuark Qstring, Qfile; - -/* - * Implementation - */ -/* - * Function: - * XawAsciiSrcClassInitialize() - * - * Description: - * Initializes the asciiSrcObjectClass and install the converters for - * AsciiType <-> String. - */ -static void -XawAsciiSrcClassInitialize(void) -{ - XawInitializeWidgetSet(); - Qstring = XrmPermStringToQuark(XtEstring); - Qfile = XrmPermStringToQuark(XtEfile); - XtAddConverter(XtRString, XtRAsciiType, CvtStringToAsciiType, NULL, 0); - XtSetTypeConverter(XtRAsciiType, XtRString, CvtAsciiTypeToString, - NULL, 0, XtCacheNone, NULL); -} - -/* - * Function: - * XawAsciiSrcInitialize - * - * Parameters: - * request - widget requested by the argument list - * cnew - new widget with both resource and non resource values - * args - (unused) - * num_args - (unused) - * - * Description: - * Initializes the ascii src object. - */ -/*ARGSUSED*/ -static void -XawAsciiSrcInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - AsciiSrcObject src = (AsciiSrcObject)cnew; - FILE *file; - - /* - * Set correct flags (override resources) depending upon widget class - */ - src->text_src.text_format = XawFmt8Bit; - -#ifdef ASCII_DISK - if (XtIsSubclass(XtParent(cnew), asciiDiskWidgetClass)) { - src->ascii_src.type = XawAsciiFile; - src->ascii_src.string = src->ascii_src.filename; - } -#endif - -#ifdef ASCII_STRING - if (XtIsSubclass(XtParent(cnew), asciiStringWidgetClass)) { - src->ascii_src.use_string_in_place = True; - src->ascii_src.type = XawAsciiString; - } -#endif - -#ifdef OLDXAW - src->ascii_src.changes = False; -#else - src->text_src.changed = False; -#endif - src->ascii_src.allocated_string = False; - - if (src->ascii_src.use_string_in_place && src->ascii_src.string == NULL) - src->ascii_src.use_string_in_place = False; - - file = InitStringOrFile(src, src->ascii_src.type == XawAsciiFile); - LoadPieces(src, file, NULL); - - if (file != NULL) - fclose(file); -} - -/* - * Function: - * ReadText - * - * Parameters: - * w - AsciiSource widget - * pos - position of the text to retreive. - * text - text block that will contain returned text - * length - maximum number of characters to read - * - * Description: - * This function reads the source. - * - * Returns: - * The character position following the retrieved text. - */ -static XawTextPosition -ReadText(Widget w, XawTextPosition pos, XawTextBlock *text, int length) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - XawTextPosition count, start; - Piece *piece; -#ifndef OLDXAW - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextPosition offset, end = pos + length; - Bool state; - - end = XawMin(end, src->ascii_src.length); - while ((state = XawTextSourceAnchorAndEntity(w, pos, &anchor, &entity)) && - (entity->flags & XAW_TENTF_HIDE)) - pos = anchor->position + entity->offset + entity->length; - if (state == False || - !(entity->flags & XAW_TENTF_REPLACE)) { - while (entity) { - offset = anchor->position + entity->offset; - if (offset >= end) - break; - if (offset > pos && - (entity->flags & (XAW_TENTF_HIDE | XAW_TENTF_REPLACE))) { - end = XawMin(end, offset); - break; - } - if ((entity = entity->next) == NULL && - (anchor = XawTextSourceNextAnchor(w, anchor)) != NULL) - entity = anchor->entities; - } - } - else if (state && (entity->flags & XAW_TENTF_REPLACE) && pos < end) { - XawTextBlock *block = (XawTextBlock*)entity->data; - - offset = anchor->position + entity->offset; - end = XawMin(end, offset + block->length); - if ((length = end - pos) < 0) - length = 0; - text->length = length; - text->format = XawFmt8Bit; - if (length == 0) { - text->firstPos = end = offset + entity->length; - text->ptr = ""; - } - else { - text->firstPos = pos; - text->ptr = block->ptr + (pos - offset); - if (pos + length < offset + block->length) - end = pos + length; /* there is data left to be read */ - else - end = offset + entity->length; - } - - return (end); - } - - if ((length = end - pos) < 0) - length = 0; -#endif - - piece = FindPiece(src, pos, &start); - text->firstPos = pos; - text->ptr = piece->text + (pos - start); - count = piece->used - (pos - start); - text->length = Max(0, (length > count) ? count : length); - text->format = XawFmt8Bit; - - return (pos + text->length); -} - -/* - * Function: - * ReplaceText - * - * Parameters: - * w - AsciiSource object - * startPos - ends of text that will be replaced - * endPos - "" - * text - new text to be inserted into buffer at startPos - * - * Description: - * Replaces a block of text with new text. - * - * Returns: - * XawEditDone on success, XawEditError otherwise - */ -/*ARGSUSED*/ -static int -ReplaceText(Widget w, XawTextPosition startPos, XawTextPosition endPos, - XawTextBlock *text) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - Piece *start_piece, *end_piece, *temp_piece; - XawTextPosition start_first, end_first; - int length, firstPos; - - /* - * Editing a read only source is not allowed - */ - if (src->text_src.edit_mode == XawtextRead) - return (XawEditError); - - start_piece = FindPiece(src, startPos, &start_first); - end_piece = FindPiece(src, endPos, &end_first); - -#ifndef OLDXAW - /* - * This is a big hack, but I can't think about a clever way to know - * if the character being moved forward has a negative lbearing. - * - */ - if (start_piece->used) { - int i; - - for (i = 0; i < src->text_src.num_text; i++) { - int line; - TextWidget ctx = (TextWidget)src->text_src.text[i]; - - for (line = 0; line < ctx->text.lt.lines; line++) - if (startPos < ctx->text.lt.info[line + 1].position) - break; - if (i < ctx->text.lt.lines && - startPos > ctx->text.lt.info[i].position) { - AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; - XawTextAnchor *anchor; - XawTextEntity *entity; - XawTextProperty *property; - XFontStruct *font; - - if (XawTextSourceAnchorAndEntity(w, startPos, &anchor, &entity) && - (property = XawTextSinkGetProperty(ctx->text.sink, - entity->property)) != NULL && - (property->mask & XAW_TPROP_FONT)) - font = property->font; - else - font = sink->ascii_sink.font; - - if (font->min_bounds.lbearing < 0) { - int lbearing = font->min_bounds.lbearing; - unsigned char c = *(unsigned char*) - (start_piece->text + (startPos - start_first)); - - if (c == '\t' || c == '\n') - c = ' '; - else if ((c & 0177) < XawSP || c == 0177) { - if (sink->ascii_sink.display_nonprinting) - c = c > 0177 ? '\\' : c + '^'; - else - c = ' '; - } - if (font->per_char && - (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) - lbearing = font->per_char[c - font->min_char_or_byte2].lbearing; - if (lbearing < 0) - _XawTextNeedsUpdating(ctx, startPos - 1, startPos); - } - } - } - } - - -#endif - - /* - * Remove Old Stuff - */ - if (start_piece != end_piece) { - temp_piece = start_piece->next; - - /* - * If empty and not the only piece then remove it. - */ - if (((start_piece->used = startPos - start_first) == 0) - && !(start_piece->next == NULL && start_piece->prev == NULL)) - RemovePiece(src, start_piece); - - while (temp_piece != end_piece) { - temp_piece = temp_piece->next; - RemovePiece(src, temp_piece->prev); - } - - end_piece->used -= endPos - end_first; - if (end_piece->used != 0) - memmove(end_piece->text, end_piece->text + endPos - end_first, - (unsigned)end_piece->used); - } - else { /* We are fully in one piece */ - if ((start_piece->used -= endPos - startPos) == 0) { - if (!(start_piece->next == NULL && start_piece->prev == NULL)) - RemovePiece(src, start_piece); - } - else { - memmove(start_piece->text + (startPos - start_first), - start_piece->text + (endPos - start_first), - (unsigned)(start_piece->used - (startPos - start_first))); - if (src->ascii_src.use_string_in_place - && src->ascii_src.length - (endPos - startPos) - < src->ascii_src.piece_size - 1) - start_piece->text[src->ascii_src.length - (endPos - startPos)] = - '\0'; - } - } - - src->ascii_src.length += -(endPos - startPos) + text->length; - - if ( text->length != 0) { - /* - * Put in the New Stuff - */ - start_piece = FindPiece(src, startPos, &start_first); - - length = text->length; - firstPos = text->firstPos; - - while (length > 0) { - char *ptr; - int fill; - - if (src->ascii_src.use_string_in_place) { - if (start_piece->used == src->ascii_src.piece_size - 1) { - /* - * If we are in ascii string emulation mode. Then the - * string is not allowed to grow - */ - start_piece->used = src->ascii_src.length = - src->ascii_src.piece_size - 1; - start_piece->text[src->ascii_src.length] = '\0'; - return (XawEditError); - } - } - - if (start_piece->used == src->ascii_src.piece_size) { - BreakPiece(src, start_piece); - start_piece = FindPiece(src, startPos, &start_first); - } - - fill = Min((int)(src->ascii_src.piece_size - start_piece->used), - length); - - ptr = start_piece->text + (startPos - start_first); - memmove(ptr + fill, ptr, - (unsigned)(start_piece->used - (startPos - start_first))); - memcpy(ptr, text->ptr + firstPos, (unsigned)fill); - - startPos += fill; - firstPos += fill; - start_piece->used += fill; - length -= fill; - } - } - - if (src->ascii_src.use_string_in_place) - start_piece->text[start_piece->used] = '\0'; - -#ifdef OLDXAW - src->ascii_src.changes = True; - XtCallCallbacks(w, XtNcallback, NULL); -#endif - - return (XawEditDone); -} - -/* - * Function: - * Scan - * - * Parameters: - * w - AsciiSource object - * position - position to start scanning - * type - type of thing to scan for - * dir - direction to scan - * count - which occurance if this thing to search for. - * include - whether or not to include the character found in - * the position that is returned - * - * Description: - * Scans the text source for the number and type of item specified. - * - * Returns: - * The position of the item found - * - * Note: - * While there are only 'n' characters in the file there are n+1 - * possible cursor positions (one before the first character and - * one after the last character - */ -static XawTextPosition -Scan(Widget w, register XawTextPosition position, XawTextScanType type, - XawTextScanDirection dir, int count, Bool include) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - Piece *piece; - XawTextPosition first, first_eol_position = 0; - register char *ptr, *lim; - register int cnt = count; - register unsigned char c; - - if (dir == XawsdLeft) { - if (position <= 0) - return (0); - --position; - } - else if (position >= src->ascii_src.length) - return (src->ascii_src.length); - - piece = FindPiece(src, position, &first); - if (piece->used == 0) - return (0); - - ptr = (position - first) + piece->text; - - if (dir == XawsdRight) { - lim = piece->text + piece->used; - switch (type) { - case XawstEOL: - case XawstParagraph: - case XawstWhiteSpace: - case XawstAlphaNumeric: - for (; cnt > 0; cnt--) { - Bool non_space = False, first_eol = True; - - /*CONSTCOND*/ - while (True) { - if (ptr >= lim) { - piece = piece->next; - if (piece == NULL) /* End of text */ - return (src->ascii_src.length); - ptr = piece->text; - lim = piece->text + piece->used; - } - - c = *ptr++; - ++position; - - if (type == XawstEOL) { - if (c == '\n') - break; - } - else if (type == XawstAlphaNumeric) { - if (!isalnum(c)) { - if (non_space) - break; - } - else - non_space = True; - } - else if (type == XawstWhiteSpace) { - if (isspace(c)) { - if (non_space) - break; - } - else - non_space = True; - } - else { /* XawstParagraph */ - if (first_eol) { - if (c == '\n') { - first_eol_position = position; - first_eol = False; - } - } - else if (c == '\n') - break; - else if (!isspace(c)) - first_eol = True; - } - } - } - break; - case XawstPositions: - position += count; - return (position < src->ascii_src.length ? - position : src->ascii_src.length); - case XawstAll: - return (src->ascii_src.length); - default: - break; - } - if (!include) { - if (type == XawstParagraph) - position = first_eol_position; - if (count) - --position; - } - } - else { - lim = piece->text; - switch (type) { - case XawstEOL: - case XawstParagraph: - case XawstWhiteSpace: - case XawstAlphaNumeric: - for (; cnt > 0; cnt--) { - Bool non_space = False, first_eol = True; - - /*CONSTCOND*/ - while (True) { - if (ptr < lim) { - piece = piece->prev; - if (piece == NULL) /* Begining of text */ - return (0); - ptr = piece->text + piece->used - 1; - lim = piece->text; - } - - c = *ptr--; - --position; - - if (type == XawstEOL) { - if (c == '\n') - break; - } - else if (type == XawstAlphaNumeric) { - if (!isalnum(c)) { - if (non_space) - break; - } - else - non_space = True; - } - else if (type == XawstWhiteSpace) { - if (isspace(c)) { - if (non_space) - break; - } - else - non_space = True; - } - else { /* XawstParagraph */ - if (first_eol) { - if (c == '\n') { - first_eol_position = position; - first_eol = False; - } - } - else if (c == '\n') - break; - else if (!isspace(c)) - first_eol = True; - } - } - } - break; - case XawstPositions: - position -= count - 1; - return (position > 0 ? position : 0); - case XawstAll: - return (0); - default: - break; - } - if (!include) { - if (type == XawstParagraph) - position = first_eol_position; - if (count) - ++position; - } - position++; - } - - return (position); -} - -/* - * Function: - * Search - * - * Parameters: - * w - AsciiSource object - * position - the position to start scanning - * dir - direction to scan - * text - text block to search for - * - * Description: - * Searchs the text source for the text block passed. - * - * Returns: - * The position of the item found - */ -static XawTextPosition -Search(Widget w, register XawTextPosition position, XawTextScanDirection dir, - XawTextBlock *text) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - register int count = 0; - register char *ptr, c; - char *str; - Piece *piece; - char *buf; - XawTextPosition first; - int cnt, case_sensitive; - - if (dir == XawsdLeft) { - if (position == 0) - return (XawTextSearchError); - position--; - } - - buf = XtMalloc((unsigned)sizeof(unsigned char) * text->length); - memcpy(buf, text->ptr, (unsigned)text->length); - piece = FindPiece(src, position, &first); - ptr = (position - first) + piece->text; - case_sensitive = text->firstPos; - - if (dir == XawsdRight) { - str = buf; - c = *str; - /*CONSTCOND*/ - while (1) { - if (*ptr++ == c - || (case_sensitive && isalpha(c) && isalpha(ptr[-1]) - && toupper(c) == toupper(ptr[-1]))) { - if (++count == text->length) - break; - c = *++str; - } - else if (count) { - ptr -= count; - str -= count; - position -= count; - count = 0; - c = *str; - - if (ptr < piece->text) { - do { - cnt = piece->text - ptr; - piece = piece->prev; - if (piece == NULL) { - XtFree(buf); - return (XawTextSearchError); - } - ptr = piece->text + piece->used - cnt; - } while (ptr < piece->text); - } - } - position++; - if (ptr >= (piece->text + piece->used)) { - do { - cnt = ptr - (piece->text + piece->used); - piece = piece->next; - if (piece == NULL) { - XtFree(buf); - return (XawTextSearchError); - } - ptr = piece->text + cnt; - } while (ptr >= (piece->text + piece->used)); - } - } - - position -= text->length - 1; - } - else { - str = buf + text->length - 1; - c = *str; - /*CONSTCOND*/ - while (1) { - if (*ptr-- == c - || (case_sensitive && isalpha(c) && isalpha(ptr[1]) - && toupper(c) == toupper(ptr[1]))) { - if (++count == text->length) - break; - c = *--str; - } - else if (count) { - ptr += count; - str += count; - position += count; - count = 0; - c = *str; - - if (ptr >= (piece->text + piece->used)) { - do { - cnt = ptr - (piece->text + piece->used); - piece = piece->next; - if (piece == NULL) { - XtFree(buf); - return (XawTextSearchError); - } - ptr = piece->text + cnt; - } while (ptr >= (piece->text + piece->used)); - } - } - position--; - if (ptr < piece->text) { - do { - cnt = piece->text - ptr; - piece = piece->prev; - if (piece == NULL) { - XtFree(buf); - return (XawTextSearchError); - } - ptr = piece->text + piece->used - cnt; - } while (ptr < piece->text); - } - } - } - - XtFree(buf); - - return (position); -} - -/* - * Function: - * XawAsciiSrcSetValues - * - * Parameters: - * current - current state of the widget - * request - what was requested - * cnew - what the widget will become - * args - representation of changed resources - * num_args - number of resources that have changed - * - * Description: - * Sets the values for the AsciiSource. - * - * Returns: - * True if redisplay is needed - */ -static Boolean -XawAsciiSrcSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - AsciiSrcObject src = (AsciiSrcObject)cnew; - AsciiSrcObject old_src = (AsciiSrcObject)current; - Bool total_reset = False, string_set = False; - FILE *file; - unsigned int i; - - if (old_src->ascii_src.use_string_in_place - != src->ascii_src.use_string_in_place) { - XtAppWarning(XtWidgetToApplicationContext(cnew), - "AsciiSrc: The XtNuseStringInPlace resource may " - "not be changed."); - src->ascii_src.use_string_in_place = - old_src->ascii_src.use_string_in_place; - } - - for (i = 0; i < *num_args ; i++) - if (streq(args[i].name, XtNstring)) { - string_set = True; - break; - } - - if (string_set || (old_src->ascii_src.type != src->ascii_src.type)) { - RemoveOldStringOrFile(old_src, string_set); /* remove old info */ - file = InitStringOrFile(src, string_set); /* Init new info */ - LoadPieces(src, file, NULL); /* load new info into internal buffers */ - if (file != NULL) - fclose(file); -#ifndef OLDXAW - for (i = 0; i < src->text_src.num_text; i++) - /* Tell text widget what happened */ - XawTextSetSource(src->text_src.text[i], cnew, 0); -#else - XawTextSetSource(XtParent(cnew), cnew, 0); -#endif - total_reset = True; - } - - if (old_src->ascii_src.ascii_length != src->ascii_src.ascii_length) - src->ascii_src.piece_size = src->ascii_src.ascii_length + 1; - - if (!total_reset && - old_src->ascii_src.piece_size != src->ascii_src.piece_size) { - String string = StorePiecesInString(old_src); - - FreeAllPieces(old_src); - LoadPieces(src, NULL, string); - XtFree(string); - } - - return (False); -} - -/* - * Function: - * XawAsciiSrcGetValuesHook - * - * Parameters: - * w - AsciiSource Widget - * args - argument list - * num_args - number of args - * - * Description: - * This is a get values hook routine that sets the - * values specific to the ascii source. - */ -static void -XawAsciiSrcGetValuesHook(Widget w, ArgList args, Cardinal *num_args) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - unsigned int i; - - if (src->ascii_src.type == XawAsciiString) { - for (i = 0; i < *num_args ; i++) - if (streq(args[i].name, XtNstring)) { - if (src->ascii_src.use_string_in_place) - *((char **)args[i].value) = src->ascii_src.first_piece->text; - else if (XawAsciiSave(w)) /* If save sucessful */ - *((char **)args[i].value) = src->ascii_src.string; - break; - } - } - } - -/* - * Function: - * XawAsciiSrcDestroy - * - * Parameters: - * src - Ascii source object to free - * - * Description: - * Destroys an ascii source (frees all data) - */ -static void -XawAsciiSrcDestroy(Widget w) -{ - RemoveOldStringOrFile((AsciiSrcObject) w, True); -} - -/* - * Public routines - */ -/* - * Function: - * XawAsciiSourceFreeString - * - * Parameters: - * w - AsciiSrc widget - * - * Description: - * Frees the string returned by a get values call - * on the string when the source is of type string. - */ -void -XawAsciiSourceFreeString(Widget w) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - - /* If the src is really a multi, call the multi routine */ - if (XtIsSubclass(w, multiSrcObjectClass)) { - _XawMultiSourceFreeString(w); - return; - } - else if (!XtIsSubclass(w, asciiSrcObjectClass)) { - XtErrorMsg("bad argument", "asciiSource", "XawError", - "XawAsciiSourceFreeString's parameter must be " - "an asciiSrc or multiSrc.", - NULL, NULL); - } - - if (src->ascii_src.allocated_string && src->ascii_src.type != XawAsciiFile) { - src->ascii_src.allocated_string = False; - XtFree(src->ascii_src.string); - src->ascii_src.string = NULL; - } -} - -/* - * Function: - * XawAsciiSave - * - * Parameters: - * w - asciiSrc Widget - * - * Description: - * Saves all the pieces into a file or string as required. - * - * Returns: - * True if the save was successful - */ -Bool -XawAsciiSave(Widget w) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - - /* If the src is really a multi, call the multi save */ - if (XtIsSubclass(w, multiSrcObjectClass )) - return (_XawMultiSave(w)); - - else if (!XtIsSubclass(w, asciiSrcObjectClass)) - XtErrorMsg("bad argument", "asciiSource", "XawError", - "XawAsciiSave's parameter must be an asciiSrc or multiSrc.", - NULL, NULL); - - /* - * If using the string in place then there is no need to play games - * to get the internal info into a readable string. - */ - if (src->ascii_src.use_string_in_place) - return (True); - - if (src->ascii_src.type == XawAsciiFile) { -#ifdef OLDXAW - if (!src->ascii_src.changes) -#else - if (!src->text_src.changed) /* No changes to save */ -#endif - return (True); - - if (WritePiecesToFile(src, src->ascii_src.string) == False) - return (False); - } - else { - if (src->ascii_src.allocated_string == True) - XtFree(src->ascii_src.string); - else - src->ascii_src.allocated_string = True; - - src->ascii_src.string = StorePiecesInString(src); - } -#ifdef OLDXAW - src->ascii_src.changes = False; -#else - src->text_src.changed = False; -#endif - - return (True); -} - -/* - * Function: - * XawAsciiSaveAsFile - * - * Arguments: - * w - AsciiSrc widget - * name - name of the file to save this file into - * - * Description: - * Save the current buffer as a file. - * - * Returns: - * True if the save was sucessful - */ -Bool -XawAsciiSaveAsFile(Widget w, _Xconst char *name) -{ - AsciiSrcObject src = (AsciiSrcObject)w; - Bool ret; - - /* If the src is really a multi, call the multi save */ - - if (XtIsSubclass( w, multiSrcObjectClass)) - return (_XawMultiSaveAsFile(w, name)); - - else if (!XtIsSubclass(w, asciiSrcObjectClass)) - XtErrorMsg("bad argument", "asciiSource", "XawError", - "XawAsciiSaveAsFile's 1st parameter must be an " - "asciiSrc or multiSrc.", - NULL, NULL); - - if (src->ascii_src.type == XawAsciiFile) - ret = WritePiecesToFile(src, (String)name); - else { - String string = StorePiecesInString(src); - - ret = WriteToFile(string, (String)name, src->ascii_src.length); - XtFree(string); - } - - return (ret); -} - -/* - * Function: - * XawAsciiSourceChanged - * - * Parameters: - * w - ascii source widget - * - * Description: - * Returns true if the source has changed since last saved. - * - * Returns: - * A Boolean (see description). - */ -Bool -XawAsciiSourceChanged(Widget w) -{ -#ifdef OLDXAW - if (XtIsSubclass(w, multiSrcObjectClass)) - return (((MultiSrcObject)w)->multi_src.changes); - - if (XtIsSubclass(w, asciiSrcObjectClass)) - return (((AsciiSrcObject)w)->ascii_src.changes); -#else - if (XtIsSubclass(w, textSrcObjectClass)) - return (((TextSrcObject)w)->textSrc.changed); -#endif - XtErrorMsg("bad argument", "asciiSource", "XawError", - "XawAsciiSourceChanged parameter must be an " - "asciiSrc or multiSrc.", - NULL, NULL); - - return (True); -} - -/* - * Private Functions - */ -static void -RemoveOldStringOrFile(AsciiSrcObject src, Bool checkString) -{ - FreeAllPieces(src); - - if (checkString && src->ascii_src.allocated_string) { - XtFree(src->ascii_src.string); - src->ascii_src.allocated_string = False; - src->ascii_src.string = NULL; - } -} - -/* - * Function: - * WriteToFile - * - * Parameters: - * string - string to write - * name - the name of the file - * - * Description: - * Write the string specified to the begining of the file specified. - * - * Returns: - * returns True if sucessful, False otherwise - */ -static Bool -WriteToFile(String string, String name, unsigned length) -{ - int fd; - - if ((fd = creat(name, 0666)) == -1) - return (False); - - if (write(fd, string, length) == -1) { - close(fd); - return (False); - } - - if (close(fd) == -1) - return (False); - - return (True); -} - -/* - * Function: - * WritePiecesToFile - * - * Parameters: - * src - ascii source object - * name - name of the file - * - * Description: - * Almost identical to WriteToFile, but only works for ascii src objects - * of type XawAsciiFile. This function avoids allocating temporary memory, - * what can be useful when editing very large files. - * - * Returns: - * returns True if sucessful, False otherwise - */ -static Bool -WritePiecesToFile(AsciiSrcObject src, String name) -{ - Piece *piece; - int fd; - - if (src->ascii_src.data_compression) { - Piece *tmp; - - piece = src->ascii_src.first_piece; - while (piece) { - int bytes = src->ascii_src.piece_size - piece->used; - - if (bytes > 0 && (tmp = piece->next) != NULL) { - bytes = XawMin(bytes, tmp->used); - memcpy(piece->text + piece->used, tmp->text, bytes); - memmove(tmp->text, tmp->text + bytes, tmp->used - bytes); - piece->used += bytes; - if ((tmp->used -= bytes) == 0) { - RemovePiece(src, tmp); - continue; - } - } - piece = piece->next; - } - } - - if ((fd = creat(name, 0666)) == -1) - return (False); - - for (piece = src->ascii_src.first_piece; piece; piece = piece->next) - if (write(fd, piece->text, piece->used) == -1) { - close(fd); - return (False); - } - - if (close(fd) == -1) - return (False); - - return (True); -} - -/* - * Function: - * StorePiecesInString - * - * Parameters: - * data - ascii pointer data - * - * Description: - * Store the pieces in memory into a standard ascii string. - */ -static String -StorePiecesInString(AsciiSrcObject src) -{ - String string; - XawTextPosition first; - Piece *piece; - - string = XtMalloc((unsigned)(src->ascii_src.length + 1)); - - for (first = 0, piece = src->ascii_src.first_piece ; piece != NULL; - first += piece->used, piece = piece->next) - memcpy(string + first, piece->text, (unsigned)piece->used); - - string[src->ascii_src.length] = '\0'; - - /* - * This will refill all pieces to capacity - */ - if (src->ascii_src.data_compression) { - FreeAllPieces(src); - LoadPieces(src, NULL, string); - } - - return (string); -} - -/* - * Function: - * InitStringOrFile - * - * Parameters: - * src - AsciiSource - * - * Description: - * Initializes the string or file. - */ -static FILE * -InitStringOrFile(AsciiSrcObject src, Bool newString) -{ - mode_t open_mode = 0; - const char *fdopen_mode = NULL; - int fd; - FILE *file; - - if (src->ascii_src.type == XawAsciiString) { - if (src->ascii_src.string == NULL) - src->ascii_src.length = 0; - - else if (!src->ascii_src.use_string_in_place) { - src->ascii_src.string = XtNewString(src->ascii_src.string); - src->ascii_src.allocated_string = True; - src->ascii_src.length = strlen(src->ascii_src.string); - } - - if (src->ascii_src.use_string_in_place) { - if (src->ascii_src.string != NULL) - src->ascii_src.length = strlen(src->ascii_src.string); - /* In case the length resource is incorrectly set */ - if (src->ascii_src.length > src->ascii_src.ascii_length) - src->ascii_src.ascii_length = src->ascii_src.length; - - if (src->ascii_src.ascii_length == MAGIC_VALUE) - src->ascii_src.piece_size = src->ascii_src.length; - else - src->ascii_src.piece_size = src->ascii_src.ascii_length + 1; - } - - return (NULL); - } - - /* - * type is XawAsciiFile - */ - src->ascii_src.is_tempfile = False; - - switch (src->text_src.edit_mode) { - case XawtextRead: - if (src->ascii_src.string == NULL) - XtErrorMsg("NoFile", "asciiSourceCreate", "XawError", - "Creating a read only disk widget and no file specified.", - NULL, NULL); - open_mode = O_RDONLY; - fdopen_mode = "r"; - break; - case XawtextAppend: - case XawtextEdit: - if (src->ascii_src.string == NULL) { - src->ascii_src.string = "*ascii-src*"; - src->ascii_src.is_tempfile = True; - } - else { -/* O_NOFOLLOW is a FreeBSD & Linux extension */ -#ifdef O_NOFOLLOW - open_mode = O_RDWR | O_NOFOLLOW; -#else - open_mode = O_RDWR; /* unsafe; subject to race conditions */ -#endif /* O_NOFOLLOW */ - fdopen_mode = "r+"; - } - break; - default: - XtErrorMsg("badMode", "asciiSourceCreate", "XawError", - "Bad editMode for ascii source; must be Read, " - "Append or Edit.", - NULL, NULL); - } - - /* If is_tempfile, allocate a private copy of the text - * Unlikely to be changed, just to set allocated_string */ - if (newString || src->ascii_src.is_tempfile) { - src->ascii_src.string = XtNewString(src->ascii_src.string); - src->ascii_src.allocated_string = True; - } - - if (!src->ascii_src.is_tempfile) { - if ((fd = open(src->ascii_src.string, open_mode, 0666)) != -1) { - if ((file = fdopen(fd, fdopen_mode))) { - (void)fseek(file, 0, SEEK_END); - src->ascii_src.length = (XawTextPosition)ftell(file); - return (file); - } - } - { - String params[2]; - Cardinal num_params = 2; - - params[0] = src->ascii_src.string; - params[1] = strerror(errno); - XtAppWarningMsg(XtWidgetToApplicationContext((Widget)src), - "openError", "asciiSourceCreate", "XawWarning", - "Cannot open file %s; %s", params, &num_params); - } - } - src->ascii_src.length = 0; - return (NULL); -} - -static void -LoadPieces(AsciiSrcObject src, FILE *file, char *string) -{ - char *ptr; - Piece *piece = NULL; - XawTextPosition left; - - if (string == NULL) { - if (src->ascii_src.type == XawAsciiFile) { - if (src->ascii_src.length != 0) { - int len; - - left = 0; - fseek(file, 0, 0); - while (left < src->ascii_src.length) { - ptr = XtMalloc((unsigned)src->ascii_src.piece_size); - if ((len = fread(ptr, (Size_t)sizeof(unsigned char), - (Size_t)src->ascii_src.piece_size, file)) < 0) - XtErrorMsg("readError", "asciiSourceCreate", "XawError", - "fread returned error.", NULL, NULL); - piece = AllocNewPiece(src, piece); - piece->text = ptr; - piece->used = XawMin(len, src->ascii_src.piece_size); - left += piece->used; - } - } - else { - piece = AllocNewPiece(src, NULL); - piece->text = XtMalloc((unsigned)src->ascii_src.piece_size); - piece->used = 0; - } - return; - } - else - string = src->ascii_src.string; - } - - if (src->ascii_src.use_string_in_place) { - piece = AllocNewPiece(src, piece); - piece->used = XawMin(src->ascii_src.length, src->ascii_src.piece_size); - piece->text = src->ascii_src.string; - return; - } - - ptr = string; - left = src->ascii_src.length; - do { - piece = AllocNewPiece(src, piece); - - piece->text = XtMalloc((unsigned)src->ascii_src.piece_size); - piece->used = XawMin(left, src->ascii_src.piece_size); - if (piece->used != 0) - memcpy(piece->text, ptr, (unsigned)piece->used); - - left -= piece->used; - ptr += piece->used; - } while (left > 0); -} - -/* - * Function: - * AllocNewPiece - * - * Parameters: - * src - AsciiSrc Widget - * prev - piece just before this one, or NULL - * - * Description: - * Allocates a new piece of memory. - * - * Returns: - * The allocated piece - */ -static Piece * -AllocNewPiece(AsciiSrcObject src, Piece *prev) -{ - Piece *piece = XtNew(Piece); - - if (prev == NULL) { - src->ascii_src.first_piece = piece; - piece->next = NULL; - } - else { - if (prev->next != NULL) - (prev->next)->prev = piece; - piece->next = prev->next; - prev->next = piece; - } - - piece->prev = prev; - - return (piece); -} - -/* - * Function: - * FreeAllPieces - * - * Parameters: - * src - AsciiSrc Widget - * - * Description: - * Frees all the pieces. - */ -static void -FreeAllPieces(AsciiSrcObject src) -{ - Piece *next, * first = src->ascii_src.first_piece; - -#ifdef DEBUG - if (first->prev != NULL) - printf("Xaw AsciiSrc Object: possible memory leak in FreeAllPieces().\n"); -#endif - - for (; first != NULL ; first = next) { - next = first->next; - RemovePiece(src, first); - } -} - -/* - * Function: - * RemovePiece - * - * Parameters: - * piece - piece to remove - * - * Description: - * Removes a piece from the list. - */ -static void -RemovePiece(AsciiSrcObject src, Piece *piece) -{ - if (piece->prev == NULL) - src->ascii_src.first_piece = piece->next; - else - piece->prev->next = piece->next; - - if (piece->next != NULL) - piece->next->prev = piece->prev; - - if (!src->ascii_src.use_string_in_place) - XtFree(piece->text); - - XtFree((char *)piece); -} - -/* - * Function: - * FindPiece - * - * Parameters: - * src - AsciiSrc Widget - * position - position that we are searching for - * first - position of the first character in this piece (return) - * - * Description: - * Finds the piece containing the position indicated. - * - * Returns: - * the piece that contains this position - */ -static Piece * -FindPiece(AsciiSrcObject src, XawTextPosition position, XawTextPosition *first) -{ - Piece *old_piece, *piece; - XawTextPosition temp; - - for (old_piece = NULL, piece = src->ascii_src.first_piece, temp = 0; - piece; old_piece = piece, piece = piece->next) - if ((temp += piece->used) > position) { - *first = temp - piece->used; - return (piece); - } - - *first = temp - (old_piece ? old_piece->used : 0); - - return (old_piece); /* if we run off the end the return the last piece */ -} - -/* - * Function: - * BreakPiece - * - * Parameters: - * src - AsciiSrc Widget - * piece - piece to break - * - * Description: - * Breaks a full piece into two new pieces. - */ -#define HALF_PIECE (src->ascii_src.piece_size >> 1) -static void -BreakPiece(AsciiSrcObject src, Piece *piece) -{ - Piece *cnew = AllocNewPiece(src, piece); - - cnew->text = XtMalloc((unsigned)src->ascii_src.piece_size); - memcpy(cnew->text, piece->text + HALF_PIECE, - (unsigned)(src->ascii_src.piece_size - HALF_PIECE)); - piece->used = HALF_PIECE; - cnew->used = src->ascii_src.piece_size - HALF_PIECE; -} - -/*ARGSUSED*/ -static void -CvtStringToAsciiType(XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal) -{ - static XawAsciiType type; - XrmQuark q; - char name[7]; - - XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name)); - q = XrmStringToQuark(name); - - if (q == Qstring) - type = XawAsciiString; - else if (q == Qfile) - type = XawAsciiFile; - else { - toVal->size = 0; - toVal->addr = NULL; - XtStringConversionWarning((char *)fromVal->addr, XtRAsciiType); - } - - toVal->size = sizeof(XawAsciiType); - toVal->addr = (XPointer)&type; -} - -/*ARGSUSED*/ -static Boolean -CvtAsciiTypeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal, - XtPointer *data) -{ - static String buffer; - Cardinal size; - - switch (*(XawAsciiType *)fromVal->addr) { - case XawAsciiFile: - buffer = XtEfile; - break; - case XawAsciiString: - buffer = XtEstring; - break; - default: - XawTypeToStringWarning(dpy, XtRAsciiType); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -/*ARGSUSED*/ -static void -GetDefaultPieceSize(Widget w, int offset, XrmValue *value) -{ - static XPointer pagesize; - - if (pagesize == NULL) { - pagesize = (XPointer)((long)_XawGetPageSize()); - if (pagesize < (XPointer)BUFSIZ) - pagesize = (XPointer)BUFSIZ; - } - - value->addr = (XPointer)&pagesize; -} - -#if (defined(ASCII_STRING) || defined(ASCII_DISK)) -# include <X11/Xaw/Cardinals.h> -#endif - -#ifdef ASCII_STRING -/* - * Compatability functions. - */ -/* - * Function: - * AsciiStringSourceCreate - * - * Parameters: - * parent - widget that will own this source - * args - the argument list - * num_args - "" - * - * Description: - * Creates a string source. - * - * Returns: - * A pointer to the new text source. - */ -Widget -XawStringSourceCreate(Widget parent, ArgList args, Cardinal num_args) -{ - XawTextSource src; - ArgList ascii_args; - Arg temp[2]; - - XtSetArg(temp[0], XtNtype, XawAsciiString); - XtSetArg(temp[1], XtNuseStringInPlace, True); - ascii_args = XtMergeArgLists(temp, TWO, args, num_args); - - src = XtCreateWidget("genericAsciiString", asciiSrcObjectClass, parent, - ascii_args, num_args + TWO); - XtFree((char *)ascii_args); - - return (src); -} - -/* - * This is hacked up to try to emulate old functionality, it - * may not work, as I have not old code to test it on. - * - * Chris D. Peterson 8/31/89. - */ -void -XawTextSetLastPos(Widget w, XawTextPosition lastPos) -{ - AsciiSrcObject src = (AsciiSrcObject)XawTextGetSource(w); - - src->ascii_src.piece_size = lastPos; -} -#endif /* ASCII_STRING */ - -#ifdef ASCII_DISK -/* - * Function: - * AsciiDiskSourceCreate - * - * Parameters: - * parent - widget that will own this source - * args - argument list - * num_args - "" - * - * Description: - * Creates a disk source. - * - * Returns: - * A pointer to the new text source - */ -Widget -XawDiskSourceCreate(Widget parent, ArgList args, Cardinal num_args) -{ - XawTextSource src; - ArgList ascii_args; - Arg temp[1]; - int i; - - XtSetArg(temp[0], XtNtype, XawAsciiFile); - ascii_args = XtMergeArgLists(temp, ONE, args, num_args); - num_args++; - - for (i = 0; i < num_args; i++) - if (streq(ascii_args[i].name, XtNfile) - || streq(ascii_args[i].name, XtCFile)) - ascii_args[i].name = XtNstring; - - src = XtCreateWidget("genericAsciiDisk", asciiSrcObjectClass, parent, - ascii_args, num_args); - XtFree((char *)ascii_args); - - return (src); -} -#endif /* ASCII_DISK */ +/*
+
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * AsciiSrc.c - AsciiSrc object. (For use with the text widget).
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/Xaw/AsciiSrcP.h>
+#include <X11/Xaw/MultiSrcP.h>
+#ifndef OLDXAW
+#include <X11/Xaw/TextSinkP.h>
+#include <X11/Xaw/AsciiSinkP.h>
+#endif
+#include "Private.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#if (defined(ASCII_STRING) || defined(ASCII_DISK))
+#include <X11/Xaw/AsciiText.h> /* for Widget Classes */
+#endif
+
+#ifdef X_NOT_POSIX
+#define Off_t long
+#define Size_t unsigned int
+#else
+#define Off_t off_t
+#define Size_t size_t
+#endif
+
+#define MAGIC_VALUE ((XawTextPosition)-1)
+#define streq(a, b) (strcmp((a), (b)) == 0)
+
+/*
+ * Class Methods
+ */
+static void XawAsciiSrcClassInitialize(void);
+static void XawAsciiSrcDestroy(Widget);
+static void XawAsciiSrcGetValuesHook(Widget, ArgList, Cardinal*);
+static void XawAsciiSrcInitialize(Widget, Widget, ArgList, Cardinal*);
+static Boolean XawAsciiSrcSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static XawTextPosition ReadText(Widget, XawTextPosition, XawTextBlock*, int);
+static int ReplaceText(Widget, XawTextPosition, XawTextPosition,
+ XawTextBlock*);
+static XawTextPosition Scan(Widget, XawTextPosition, XawTextScanType,
+ XawTextScanDirection, int, Bool);
+static XawTextPosition Search(Widget, XawTextPosition, XawTextScanDirection,
+ XawTextBlock*);
+
+/*
+ * Prototypes
+ */
+static Piece *AllocNewPiece(AsciiSrcObject, Piece*);
+static void BreakPiece(AsciiSrcObject, Piece*);
+static Boolean CvtAsciiTypeToString(Display*, XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr, XtPointer*);
+static void CvtStringToAsciiType(XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr);
+static Piece *FindPiece(AsciiSrcObject, XawTextPosition, XawTextPosition*);
+static void FreeAllPieces(AsciiSrcObject);
+static FILE *InitStringOrFile(AsciiSrcObject, Bool);
+static void LoadPieces(AsciiSrcObject, FILE*, char*);
+static void RemoveOldStringOrFile(AsciiSrcObject, Bool);
+static void RemovePiece(AsciiSrcObject, Piece*);
+static String StorePiecesInString(AsciiSrcObject);
+static Bool WriteToFile(String, String, unsigned);
+static Bool WritePiecesToFile(AsciiSrcObject, String);
+static void GetDefaultPieceSize(Widget, int, XrmValue*);
+
+/*
+ * More Prototypes
+ */
+#ifdef ASCII_DISK
+Widget XawAsciiDiskSourceCreate(Widget, ArgList, Cardinal);
+#endif
+#ifdef ASCII_STRING
+Widget XawStringSourceCreate(Widget, ArgList, Cardinal);
+void XawTextSetLastPos(Widget, XawTextPosition);
+#endif
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(AsciiSrcRec, ascii_src.field)
+static XtResource resources[] = {
+ {
+ XtNstring,
+ XtCString,
+ XtRString,
+ sizeof(char*),
+ offset(string),
+ XtRString,
+ NULL
+ },
+ {
+ XtNtype,
+ XtCType,
+ XtRAsciiType,
+ sizeof(XawAsciiType),
+ offset(type),
+ XtRImmediate,
+ (XtPointer)XawAsciiString
+ },
+ {
+ XtNdataCompression,
+ XtCDataCompression,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(data_compression),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNpieceSize,
+ XtCPieceSize,
+ XtRInt,
+ sizeof(XawTextPosition),
+ offset(piece_size),
+ XtRCallProc,
+ (XtPointer)GetDefaultPieceSize
+ },
+#ifdef OLDXAW
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(callback),
+ XtRCallback,
+ (XtPointer)NULL
+ },
+#endif
+ {
+ XtNuseStringInPlace,
+ XtCUseStringInPlace,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(use_string_in_place),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNlength,
+ XtCLength,
+ XtRInt,
+ sizeof(int),
+ offset(ascii_length),
+ XtRImmediate,
+ (XtPointer)MAGIC_VALUE
+ },
+#ifdef ASCII_DISK
+ {
+ XtNfile,
+ XtCFile,
+ XtRString,
+ sizeof(String),
+ offset(filename),
+ XtRString,
+ NULL
+ },
+#endif /* ASCII_DISK */
+};
+#undef offset
+
+
+#define Superclass (&textSrcClassRec)
+AsciiSrcClassRec asciiSrcClassRec = {
+ /* object */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "AsciiSrc", /* class_name */
+ sizeof(AsciiSrcRec), /* widget_size */
+ XawAsciiSrcClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawAsciiSrcInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ False, /* compress_exposure */
+ False, /* compress_enterleave */
+ False, /* visible_interest */
+ XawAsciiSrcDestroy, /* destroy */
+ NULL, /* resize */
+ NULL, /* expose */
+ XawAsciiSrcSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* set_values_almost */
+ XawAsciiSrcGetValuesHook, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ NULL, /* query_geometry */
+ NULL, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* text_src */
+ {
+ ReadText, /* Read */
+ ReplaceText, /* Replace */
+ Scan, /* Scan */
+ Search, /* Search */
+ XtInheritSetSelection, /* SetSelection */
+ XtInheritConvertSelection, /* ConvertSelection */
+ },
+ /* ascii_src */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass asciiSrcObjectClass = (WidgetClass)&asciiSrcClassRec;
+
+static XrmQuark Qstring, Qfile;
+
+/*
+ * Implementation
+ */
+/*
+ * Function:
+ * XawAsciiSrcClassInitialize()
+ *
+ * Description:
+ * Initializes the asciiSrcObjectClass and install the converters for
+ * AsciiType <-> String.
+ */
+static void
+XawAsciiSrcClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ Qstring = XrmPermStringToQuark(XtEstring);
+ Qfile = XrmPermStringToQuark(XtEfile);
+ XtAddConverter(XtRString, XtRAsciiType, CvtStringToAsciiType, NULL, 0);
+ XtSetTypeConverter(XtRAsciiType, XtRString, CvtAsciiTypeToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/*
+ * Function:
+ * XawAsciiSrcInitialize
+ *
+ * Parameters:
+ * request - widget requested by the argument list
+ * cnew - new widget with both resource and non resource values
+ * args - (unused)
+ * num_args - (unused)
+ *
+ * Description:
+ * Initializes the ascii src object.
+ */
+/*ARGSUSED*/
+static void
+XawAsciiSrcInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ AsciiSrcObject src = (AsciiSrcObject)cnew;
+ FILE *file;
+
+ /*
+ * Set correct flags (override resources) depending upon widget class
+ */
+ src->text_src.text_format = XawFmt8Bit;
+
+#ifdef ASCII_DISK
+ if (XtIsSubclass(XtParent(cnew), asciiDiskWidgetClass)) {
+ src->ascii_src.type = XawAsciiFile;
+ src->ascii_src.string = src->ascii_src.filename;
+ }
+#endif
+
+#ifdef ASCII_STRING
+ if (XtIsSubclass(XtParent(cnew), asciiStringWidgetClass)) {
+ src->ascii_src.use_string_in_place = True;
+ src->ascii_src.type = XawAsciiString;
+ }
+#endif
+
+#ifdef OLDXAW
+ src->ascii_src.changes = False;
+#else
+ src->text_src.changed = False;
+#endif
+ src->ascii_src.allocated_string = False;
+
+ if (src->ascii_src.use_string_in_place && src->ascii_src.string == NULL)
+ src->ascii_src.use_string_in_place = False;
+
+ file = InitStringOrFile(src, src->ascii_src.type == XawAsciiFile);
+ LoadPieces(src, file, NULL);
+
+ if (file != NULL)
+ fclose(file);
+}
+
+/*
+ * Function:
+ * ReadText
+ *
+ * Parameters:
+ * w - AsciiSource widget
+ * pos - position of the text to retreive.
+ * text - text block that will contain returned text
+ * length - maximum number of characters to read
+ *
+ * Description:
+ * This function reads the source.
+ *
+ * Returns:
+ * The character position following the retrieved text.
+ */
+static XawTextPosition
+ReadText(Widget w, XawTextPosition pos, XawTextBlock *text, int length)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+ XawTextPosition count, start;
+ Piece *piece;
+#ifndef OLDXAW
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextPosition offset, end = pos + length;
+ Bool state;
+
+ end = XawMin(end, src->ascii_src.length);
+ while ((state = XawTextSourceAnchorAndEntity(w, pos, &anchor, &entity)) &&
+ (entity->flags & XAW_TENTF_HIDE))
+ pos = anchor->position + entity->offset + entity->length;
+ if (state == False ||
+ !(entity->flags & XAW_TENTF_REPLACE)) {
+ while (entity) {
+ offset = anchor->position + entity->offset;
+ if (offset >= end)
+ break;
+ if (offset > pos &&
+ (entity->flags & (XAW_TENTF_HIDE | XAW_TENTF_REPLACE))) {
+ end = XawMin(end, offset);
+ break;
+ }
+ if ((entity = entity->next) == NULL &&
+ (anchor = XawTextSourceNextAnchor(w, anchor)) != NULL)
+ entity = anchor->entities;
+ }
+ }
+ else if (state && (entity->flags & XAW_TENTF_REPLACE) && pos < end) {
+ XawTextBlock *block = (XawTextBlock*)entity->data;
+
+ offset = anchor->position + entity->offset;
+ end = XawMin(end, offset + block->length);
+ if ((length = end - pos) < 0)
+ length = 0;
+ text->length = length;
+ text->format = XawFmt8Bit;
+ if (length == 0) {
+ text->firstPos = end = offset + entity->length;
+ text->ptr = "";
+ }
+ else {
+ text->firstPos = pos;
+ text->ptr = block->ptr + (pos - offset);
+ if (pos + length < offset + block->length)
+ end = pos + length; /* there is data left to be read */
+ else
+ end = offset + entity->length;
+ }
+
+ return (end);
+ }
+
+ if ((length = end - pos) < 0)
+ length = 0;
+#endif
+
+ piece = FindPiece(src, pos, &start);
+ text->firstPos = pos;
+ text->ptr = piece->text + (pos - start);
+ count = piece->used - (pos - start);
+ text->length = Max(0, (length > count) ? count : length);
+ text->format = XawFmt8Bit;
+
+ return (pos + text->length);
+}
+
+/*
+ * Function:
+ * ReplaceText
+ *
+ * Parameters:
+ * w - AsciiSource object
+ * startPos - ends of text that will be replaced
+ * endPos - ""
+ * text - new text to be inserted into buffer at startPos
+ *
+ * Description:
+ * Replaces a block of text with new text.
+ *
+ * Returns:
+ * XawEditDone on success, XawEditError otherwise
+ */
+/*ARGSUSED*/
+static int
+ReplaceText(Widget w, XawTextPosition startPos, XawTextPosition endPos,
+ XawTextBlock *text)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+ Piece *start_piece, *end_piece, *temp_piece;
+ XawTextPosition start_first, end_first;
+ int length, firstPos;
+
+ /*
+ * Editing a read only source is not allowed
+ */
+ if (src->text_src.edit_mode == XawtextRead)
+ return (XawEditError);
+
+ start_piece = FindPiece(src, startPos, &start_first);
+ end_piece = FindPiece(src, endPos, &end_first);
+
+#ifndef OLDXAW
+ /*
+ * This is a big hack, but I can't think about a clever way to know
+ * if the character being moved forward has a negative lbearing.
+ *
+ */
+ if (start_piece->used) {
+ int i;
+
+ for (i = 0; i < src->text_src.num_text; i++) {
+ int line;
+ TextWidget ctx = (TextWidget)src->text_src.text[i];
+
+ for (line = 0; line < ctx->text.lt.lines; line++)
+ if (startPos < ctx->text.lt.info[line + 1].position)
+ break;
+ if (i < ctx->text.lt.lines &&
+ startPos > ctx->text.lt.info[i].position) {
+ AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink;
+ XawTextAnchor *anchor;
+ XawTextEntity *entity;
+ XawTextProperty *property;
+ XFontStruct *font;
+
+ if (XawTextSourceAnchorAndEntity(w, startPos, &anchor, &entity) &&
+ (property = XawTextSinkGetProperty(ctx->text.sink,
+ entity->property)) != NULL &&
+ (property->mask & XAW_TPROP_FONT))
+ font = property->font;
+ else
+ font = sink->ascii_sink.font;
+
+ if (font->min_bounds.lbearing < 0) {
+ int lbearing = font->min_bounds.lbearing;
+ unsigned char c = *(unsigned char*)
+ (start_piece->text + (startPos - start_first));
+
+ if (c == '\t' || c == '\n')
+ c = ' ';
+ else if ((c & 0177) < XawSP || c == 0177) {
+ if (sink->ascii_sink.display_nonprinting)
+ c = c > 0177 ? '\\' : c + '^';
+ else
+ c = ' ';
+ }
+ if (font->per_char &&
+ (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2))
+ lbearing = font->per_char[c - font->min_char_or_byte2].lbearing;
+ if (lbearing < 0)
+ _XawTextNeedsUpdating(ctx, startPos - 1, startPos);
+ }
+ }
+ }
+ }
+
+
+#endif
+
+ /*
+ * Remove Old Stuff
+ */
+ if (start_piece != end_piece) {
+ temp_piece = start_piece->next;
+
+ /*
+ * If empty and not the only piece then remove it.
+ */
+ if (((start_piece->used = startPos - start_first) == 0)
+ && !(start_piece->next == NULL && start_piece->prev == NULL))
+ RemovePiece(src, start_piece);
+
+ while (temp_piece != end_piece) {
+ temp_piece = temp_piece->next;
+ RemovePiece(src, temp_piece->prev);
+ }
+
+ end_piece->used -= endPos - end_first;
+ if (end_piece->used != 0)
+ memmove(end_piece->text, end_piece->text + endPos - end_first,
+ (unsigned)end_piece->used);
+ }
+ else { /* We are fully in one piece */
+ if ((start_piece->used -= endPos - startPos) == 0) {
+ if (!(start_piece->next == NULL && start_piece->prev == NULL))
+ RemovePiece(src, start_piece);
+ }
+ else {
+ memmove(start_piece->text + (startPos - start_first),
+ start_piece->text + (endPos - start_first),
+ (unsigned)(start_piece->used - (startPos - start_first)));
+ if (src->ascii_src.use_string_in_place
+ && src->ascii_src.length - (endPos - startPos)
+ < src->ascii_src.piece_size - 1)
+ start_piece->text[src->ascii_src.length - (endPos - startPos)] =
+ '\0';
+ }
+ }
+
+ src->ascii_src.length += -(endPos - startPos) + text->length;
+
+ if ( text->length != 0) {
+ /*
+ * Put in the New Stuff
+ */
+ start_piece = FindPiece(src, startPos, &start_first);
+
+ length = text->length;
+ firstPos = text->firstPos;
+
+ while (length > 0) {
+ char *ptr;
+ int fill;
+
+ if (src->ascii_src.use_string_in_place) {
+ if (start_piece->used == src->ascii_src.piece_size - 1) {
+ /*
+ * If we are in ascii string emulation mode. Then the
+ * string is not allowed to grow
+ */
+ start_piece->used = src->ascii_src.length =
+ src->ascii_src.piece_size - 1;
+ start_piece->text[src->ascii_src.length] = '\0';
+ return (XawEditError);
+ }
+ }
+
+ if (start_piece->used == src->ascii_src.piece_size) {
+ BreakPiece(src, start_piece);
+ start_piece = FindPiece(src, startPos, &start_first);
+ }
+
+ fill = Min((int)(src->ascii_src.piece_size - start_piece->used),
+ length);
+
+ ptr = start_piece->text + (startPos - start_first);
+ memmove(ptr + fill, ptr,
+ (unsigned)(start_piece->used - (startPos - start_first)));
+ memcpy(ptr, text->ptr + firstPos, (unsigned)fill);
+
+ startPos += fill;
+ firstPos += fill;
+ start_piece->used += fill;
+ length -= fill;
+ }
+ }
+
+ if (src->ascii_src.use_string_in_place)
+ start_piece->text[start_piece->used] = '\0';
+
+#ifdef OLDXAW
+ src->ascii_src.changes = True;
+ XtCallCallbacks(w, XtNcallback, NULL);
+#endif
+
+ return (XawEditDone);
+}
+
+/*
+ * Function:
+ * Scan
+ *
+ * Parameters:
+ * w - AsciiSource object
+ * position - position to start scanning
+ * type - type of thing to scan for
+ * dir - direction to scan
+ * count - which occurance if this thing to search for.
+ * include - whether or not to include the character found in
+ * the position that is returned
+ *
+ * Description:
+ * Scans the text source for the number and type of item specified.
+ *
+ * Returns:
+ * The position of the item found
+ *
+ * Note:
+ * While there are only 'n' characters in the file there are n+1
+ * possible cursor positions (one before the first character and
+ * one after the last character
+ */
+static XawTextPosition
+Scan(Widget w, register XawTextPosition position, XawTextScanType type,
+ XawTextScanDirection dir, int count, Bool include)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+ Piece *piece;
+ XawTextPosition first, first_eol_position = 0;
+ register char *ptr, *lim;
+ register int cnt = count;
+ register unsigned char c;
+
+ if (dir == XawsdLeft) {
+ if (position <= 0)
+ return (0);
+ --position;
+ }
+ else if (position >= src->ascii_src.length)
+ return (src->ascii_src.length);
+
+ piece = FindPiece(src, position, &first);
+ if (piece->used == 0)
+ return (0);
+
+ ptr = (position - first) + piece->text;
+
+ if (dir == XawsdRight) {
+ lim = piece->text + piece->used;
+ switch (type) {
+ case XawstEOL:
+ case XawstParagraph:
+ case XawstWhiteSpace:
+ case XawstAlphaNumeric:
+ for (; cnt > 0; cnt--) {
+ Bool non_space = False, first_eol = True;
+
+ /*CONSTCOND*/
+ while (True) {
+ if (ptr >= lim) {
+ piece = piece->next;
+ if (piece == NULL) /* End of text */
+ return (src->ascii_src.length);
+ ptr = piece->text;
+ lim = piece->text + piece->used;
+ }
+
+ c = *ptr++;
+ ++position;
+
+ if (type == XawstEOL) {
+ if (c == '\n')
+ break;
+ }
+ else if (type == XawstAlphaNumeric) {
+ if (!isalnum(c)) {
+ if (non_space)
+ break;
+ }
+ else
+ non_space = True;
+ }
+ else if (type == XawstWhiteSpace) {
+ if (isspace(c)) {
+ if (non_space)
+ break;
+ }
+ else
+ non_space = True;
+ }
+ else { /* XawstParagraph */
+ if (first_eol) {
+ if (c == '\n') {
+ first_eol_position = position;
+ first_eol = False;
+ }
+ }
+ else if (c == '\n')
+ break;
+ else if (!isspace(c))
+ first_eol = True;
+ }
+ }
+ }
+ break;
+ case XawstPositions:
+ position += count;
+ return (position < src->ascii_src.length ?
+ position : src->ascii_src.length);
+ case XawstAll:
+ return (src->ascii_src.length);
+ default:
+ break;
+ }
+ if (!include) {
+ if (type == XawstParagraph)
+ position = first_eol_position;
+ if (count)
+ --position;
+ }
+ }
+ else {
+ lim = piece->text;
+ switch (type) {
+ case XawstEOL:
+ case XawstParagraph:
+ case XawstWhiteSpace:
+ case XawstAlphaNumeric:
+ for (; cnt > 0; cnt--) {
+ Bool non_space = False, first_eol = True;
+
+ /*CONSTCOND*/
+ while (True) {
+ if (ptr < lim) {
+ piece = piece->prev;
+ if (piece == NULL) /* Begining of text */
+ return (0);
+ ptr = piece->text + piece->used - 1;
+ lim = piece->text;
+ }
+
+ c = *ptr--;
+ --position;
+
+ if (type == XawstEOL) {
+ if (c == '\n')
+ break;
+ }
+ else if (type == XawstAlphaNumeric) {
+ if (!isalnum(c)) {
+ if (non_space)
+ break;
+ }
+ else
+ non_space = True;
+ }
+ else if (type == XawstWhiteSpace) {
+ if (isspace(c)) {
+ if (non_space)
+ break;
+ }
+ else
+ non_space = True;
+ }
+ else { /* XawstParagraph */
+ if (first_eol) {
+ if (c == '\n') {
+ first_eol_position = position;
+ first_eol = False;
+ }
+ }
+ else if (c == '\n')
+ break;
+ else if (!isspace(c))
+ first_eol = True;
+ }
+ }
+ }
+ break;
+ case XawstPositions:
+ position -= count - 1;
+ return (position > 0 ? position : 0);
+ case XawstAll:
+ return (0);
+ default:
+ break;
+ }
+ if (!include) {
+ if (type == XawstParagraph)
+ position = first_eol_position;
+ if (count)
+ ++position;
+ }
+ position++;
+ }
+
+ return (position);
+}
+
+/*
+ * Function:
+ * Search
+ *
+ * Parameters:
+ * w - AsciiSource object
+ * position - the position to start scanning
+ * dir - direction to scan
+ * text - text block to search for
+ *
+ * Description:
+ * Searchs the text source for the text block passed.
+ *
+ * Returns:
+ * The position of the item found
+ */
+static XawTextPosition
+Search(Widget w, register XawTextPosition position, XawTextScanDirection dir,
+ XawTextBlock *text)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+ register int count = 0;
+ register char *ptr, c;
+ char *str;
+ Piece *piece;
+ char *buf;
+ XawTextPosition first;
+ int cnt, case_sensitive;
+
+ if (dir == XawsdLeft) {
+ if (position == 0)
+ return (XawTextSearchError);
+ position--;
+ }
+
+ buf = XtMalloc((unsigned)sizeof(unsigned char) * text->length);
+ memcpy(buf, text->ptr, (unsigned)text->length);
+ piece = FindPiece(src, position, &first);
+ ptr = (position - first) + piece->text;
+ case_sensitive = text->firstPos;
+
+ if (dir == XawsdRight) {
+ str = buf;
+ c = *str;
+ /*CONSTCOND*/
+ while (1) {
+ if (*ptr++ == c
+ || (case_sensitive && isalpha(c) && isalpha(ptr[-1])
+ && toupper(c) == toupper(ptr[-1]))) {
+ if (++count == text->length)
+ break;
+ c = *++str;
+ }
+ else if (count) {
+ ptr -= count;
+ str -= count;
+ position -= count;
+ count = 0;
+ c = *str;
+
+ if (ptr < piece->text) {
+ do {
+ cnt = piece->text - ptr;
+ piece = piece->prev;
+ if (piece == NULL) {
+ XtFree(buf);
+ return (XawTextSearchError);
+ }
+ ptr = piece->text + piece->used - cnt;
+ } while (ptr < piece->text);
+ }
+ }
+ position++;
+ if (ptr >= (piece->text + piece->used)) {
+ do {
+ cnt = ptr - (piece->text + piece->used);
+ piece = piece->next;
+ if (piece == NULL) {
+ XtFree(buf);
+ return (XawTextSearchError);
+ }
+ ptr = piece->text + cnt;
+ } while (ptr >= (piece->text + piece->used));
+ }
+ }
+
+ position -= text->length - 1;
+ }
+ else {
+ str = buf + text->length - 1;
+ c = *str;
+ /*CONSTCOND*/
+ while (1) {
+ if (*ptr-- == c
+ || (case_sensitive && isalpha(c) && isalpha(ptr[1])
+ && toupper(c) == toupper(ptr[1]))) {
+ if (++count == text->length)
+ break;
+ c = *--str;
+ }
+ else if (count) {
+ ptr += count;
+ str += count;
+ position += count;
+ count = 0;
+ c = *str;
+
+ if (ptr >= (piece->text + piece->used)) {
+ do {
+ cnt = ptr - (piece->text + piece->used);
+ piece = piece->next;
+ if (piece == NULL) {
+ XtFree(buf);
+ return (XawTextSearchError);
+ }
+ ptr = piece->text + cnt;
+ } while (ptr >= (piece->text + piece->used));
+ }
+ }
+ position--;
+ if (ptr < piece->text) {
+ do {
+ cnt = piece->text - ptr;
+ piece = piece->prev;
+ if (piece == NULL) {
+ XtFree(buf);
+ return (XawTextSearchError);
+ }
+ ptr = piece->text + piece->used - cnt;
+ } while (ptr < piece->text);
+ }
+ }
+ }
+
+ XtFree(buf);
+
+ return (position);
+}
+
+/*
+ * Function:
+ * XawAsciiSrcSetValues
+ *
+ * Parameters:
+ * current - current state of the widget
+ * request - what was requested
+ * cnew - what the widget will become
+ * args - representation of changed resources
+ * num_args - number of resources that have changed
+ *
+ * Description:
+ * Sets the values for the AsciiSource.
+ *
+ * Returns:
+ * True if redisplay is needed
+ */
+static Boolean
+XawAsciiSrcSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ AsciiSrcObject src = (AsciiSrcObject)cnew;
+ AsciiSrcObject old_src = (AsciiSrcObject)current;
+ Bool total_reset = False, string_set = False;
+ FILE *file;
+ unsigned int i;
+
+ if (old_src->ascii_src.use_string_in_place
+ != src->ascii_src.use_string_in_place) {
+ XtAppWarning(XtWidgetToApplicationContext(cnew),
+ "AsciiSrc: The XtNuseStringInPlace resource may "
+ "not be changed.");
+ src->ascii_src.use_string_in_place =
+ old_src->ascii_src.use_string_in_place;
+ }
+
+ for (i = 0; i < *num_args ; i++)
+ if (streq(args[i].name, XtNstring)) {
+ string_set = True;
+ break;
+ }
+
+ if (string_set || (old_src->ascii_src.type != src->ascii_src.type)) {
+ RemoveOldStringOrFile(old_src, string_set); /* remove old info */
+ file = InitStringOrFile(src, string_set); /* Init new info */
+ LoadPieces(src, file, NULL); /* load new info into internal buffers */
+ if (file != NULL)
+ fclose(file);
+#ifndef OLDXAW
+ for (i = 0; i < src->text_src.num_text; i++)
+ /* Tell text widget what happened */
+ XawTextSetSource(src->text_src.text[i], cnew, 0);
+#else
+ XawTextSetSource(XtParent(cnew), cnew, 0);
+#endif
+ total_reset = True;
+ }
+
+ if (old_src->ascii_src.ascii_length != src->ascii_src.ascii_length)
+ src->ascii_src.piece_size = src->ascii_src.ascii_length + 1;
+
+ if (!total_reset &&
+ old_src->ascii_src.piece_size != src->ascii_src.piece_size) {
+ String string = StorePiecesInString(old_src);
+
+ FreeAllPieces(old_src);
+ LoadPieces(src, NULL, string);
+ XtFree(string);
+ }
+
+ return (False);
+}
+
+/*
+ * Function:
+ * XawAsciiSrcGetValuesHook
+ *
+ * Parameters:
+ * w - AsciiSource Widget
+ * args - argument list
+ * num_args - number of args
+ *
+ * Description:
+ * This is a get values hook routine that sets the
+ * values specific to the ascii source.
+ */
+static void
+XawAsciiSrcGetValuesHook(Widget w, ArgList args, Cardinal *num_args)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+ unsigned int i;
+
+ if (src->ascii_src.type == XawAsciiString) {
+ for (i = 0; i < *num_args ; i++)
+ if (streq(args[i].name, XtNstring)) {
+ if (src->ascii_src.use_string_in_place)
+ *((char **)args[i].value) = src->ascii_src.first_piece->text;
+ else if (XawAsciiSave(w)) /* If save sucessful */
+ *((char **)args[i].value) = src->ascii_src.string;
+ break;
+ }
+ }
+ }
+
+/*
+ * Function:
+ * XawAsciiSrcDestroy
+ *
+ * Parameters:
+ * src - Ascii source object to free
+ *
+ * Description:
+ * Destroys an ascii source (frees all data)
+ */
+static void
+XawAsciiSrcDestroy(Widget w)
+{
+ RemoveOldStringOrFile((AsciiSrcObject) w, True);
+}
+
+/*
+ * Public routines
+ */
+/*
+ * Function:
+ * XawAsciiSourceFreeString
+ *
+ * Parameters:
+ * w - AsciiSrc widget
+ *
+ * Description:
+ * Frees the string returned by a get values call
+ * on the string when the source is of type string.
+ */
+void
+XawAsciiSourceFreeString(Widget w)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+
+ /* If the src is really a multi, call the multi routine */
+ if (XtIsSubclass(w, multiSrcObjectClass)) {
+ _XawMultiSourceFreeString(w);
+ return;
+ }
+ else if (!XtIsSubclass(w, asciiSrcObjectClass)) {
+ XtErrorMsg("bad argument", "asciiSource", "XawError",
+ "XawAsciiSourceFreeString's parameter must be "
+ "an asciiSrc or multiSrc.",
+ NULL, NULL);
+ }
+
+ if (src->ascii_src.allocated_string && src->ascii_src.type != XawAsciiFile) {
+ src->ascii_src.allocated_string = False;
+ XtFree(src->ascii_src.string);
+ src->ascii_src.string = NULL;
+ }
+}
+
+/*
+ * Function:
+ * XawAsciiSave
+ *
+ * Parameters:
+ * w - asciiSrc Widget
+ *
+ * Description:
+ * Saves all the pieces into a file or string as required.
+ *
+ * Returns:
+ * True if the save was successful
+ */
+Bool
+XawAsciiSave(Widget w)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+
+ /* If the src is really a multi, call the multi save */
+ if (XtIsSubclass(w, multiSrcObjectClass ))
+ return (_XawMultiSave(w));
+
+ else if (!XtIsSubclass(w, asciiSrcObjectClass))
+ XtErrorMsg("bad argument", "asciiSource", "XawError",
+ "XawAsciiSave's parameter must be an asciiSrc or multiSrc.",
+ NULL, NULL);
+
+ /*
+ * If using the string in place then there is no need to play games
+ * to get the internal info into a readable string.
+ */
+ if (src->ascii_src.use_string_in_place)
+ return (True);
+
+ if (src->ascii_src.type == XawAsciiFile) {
+#ifdef OLDXAW
+ if (!src->ascii_src.changes)
+#else
+ if (!src->text_src.changed) /* No changes to save */
+#endif
+ return (True);
+
+ if (WritePiecesToFile(src, src->ascii_src.string) == False)
+ return (False);
+ }
+ else {
+ if (src->ascii_src.allocated_string == True)
+ XtFree(src->ascii_src.string);
+ else
+ src->ascii_src.allocated_string = True;
+
+ src->ascii_src.string = StorePiecesInString(src);
+ }
+#ifdef OLDXAW
+ src->ascii_src.changes = False;
+#else
+ src->text_src.changed = False;
+#endif
+
+ return (True);
+}
+
+/*
+ * Function:
+ * XawAsciiSaveAsFile
+ *
+ * Arguments:
+ * w - AsciiSrc widget
+ * name - name of the file to save this file into
+ *
+ * Description:
+ * Save the current buffer as a file.
+ *
+ * Returns:
+ * True if the save was sucessful
+ */
+Bool
+XawAsciiSaveAsFile(Widget w, _Xconst char *name)
+{
+ AsciiSrcObject src = (AsciiSrcObject)w;
+ Bool ret;
+
+ /* If the src is really a multi, call the multi save */
+
+ if (XtIsSubclass( w, multiSrcObjectClass))
+ return (_XawMultiSaveAsFile(w, name));
+
+ else if (!XtIsSubclass(w, asciiSrcObjectClass))
+ XtErrorMsg("bad argument", "asciiSource", "XawError",
+ "XawAsciiSaveAsFile's 1st parameter must be an "
+ "asciiSrc or multiSrc.",
+ NULL, NULL);
+
+ if (src->ascii_src.type == XawAsciiFile)
+ ret = WritePiecesToFile(src, (String)name);
+ else {
+ String string = StorePiecesInString(src);
+
+ ret = WriteToFile(string, (String)name, src->ascii_src.length);
+ XtFree(string);
+ }
+
+ return (ret);
+}
+
+/*
+ * Function:
+ * XawAsciiSourceChanged
+ *
+ * Parameters:
+ * w - ascii source widget
+ *
+ * Description:
+ * Returns true if the source has changed since last saved.
+ *
+ * Returns:
+ * A Boolean (see description).
+ */
+Bool
+XawAsciiSourceChanged(Widget w)
+{
+#ifdef OLDXAW
+ if (XtIsSubclass(w, multiSrcObjectClass))
+ return (((MultiSrcObject)w)->multi_src.changes);
+
+ if (XtIsSubclass(w, asciiSrcObjectClass))
+ return (((AsciiSrcObject)w)->ascii_src.changes);
+#else
+ if (XtIsSubclass(w, textSrcObjectClass))
+ return (((TextSrcObject)w)->textSrc.changed);
+#endif
+ XtErrorMsg("bad argument", "asciiSource", "XawError",
+ "XawAsciiSourceChanged parameter must be an "
+ "asciiSrc or multiSrc.",
+ NULL, NULL);
+
+ return (True);
+}
+
+/*
+ * Private Functions
+ */
+static void
+RemoveOldStringOrFile(AsciiSrcObject src, Bool checkString)
+{
+ FreeAllPieces(src);
+
+ if (checkString && src->ascii_src.allocated_string) {
+ XtFree(src->ascii_src.string);
+ src->ascii_src.allocated_string = False;
+ src->ascii_src.string = NULL;
+ }
+}
+
+/*
+ * Function:
+ * WriteToFile
+ *
+ * Parameters:
+ * string - string to write
+ * name - the name of the file
+ *
+ * Description:
+ * Write the string specified to the begining of the file specified.
+ *
+ * Returns:
+ * returns True if sucessful, False otherwise
+ */
+static Bool
+WriteToFile(String string, String name, unsigned length)
+{
+ int fd;
+
+ if ((fd = creat(name, 0666)) == -1)
+ return (False);
+
+ if (write(fd, string, length) == -1) {
+ close(fd);
+ return (False);
+ }
+
+ if (close(fd) == -1)
+ return (False);
+
+ return (True);
+}
+
+/*
+ * Function:
+ * WritePiecesToFile
+ *
+ * Parameters:
+ * src - ascii source object
+ * name - name of the file
+ *
+ * Description:
+ * Almost identical to WriteToFile, but only works for ascii src objects
+ * of type XawAsciiFile. This function avoids allocating temporary memory,
+ * what can be useful when editing very large files.
+ *
+ * Returns:
+ * returns True if sucessful, False otherwise
+ */
+static Bool
+WritePiecesToFile(AsciiSrcObject src, String name)
+{
+ Piece *piece;
+ int fd;
+
+ if (src->ascii_src.data_compression) {
+ Piece *tmp;
+
+ piece = src->ascii_src.first_piece;
+ while (piece) {
+ int bytes = src->ascii_src.piece_size - piece->used;
+
+ if (bytes > 0 && (tmp = piece->next) != NULL) {
+ bytes = XawMin(bytes, tmp->used);
+ memcpy(piece->text + piece->used, tmp->text, bytes);
+ memmove(tmp->text, tmp->text + bytes, tmp->used - bytes);
+ piece->used += bytes;
+ if ((tmp->used -= bytes) == 0) {
+ RemovePiece(src, tmp);
+ continue;
+ }
+ }
+ piece = piece->next;
+ }
+ }
+
+ if ((fd = creat(name, 0666)) == -1)
+ return (False);
+
+ for (piece = src->ascii_src.first_piece; piece; piece = piece->next)
+ if (write(fd, piece->text, piece->used) == -1) {
+ close(fd);
+ return (False);
+ }
+
+ if (close(fd) == -1)
+ return (False);
+
+ return (True);
+}
+
+/*
+ * Function:
+ * StorePiecesInString
+ *
+ * Parameters:
+ * data - ascii pointer data
+ *
+ * Description:
+ * Store the pieces in memory into a standard ascii string.
+ */
+static String
+StorePiecesInString(AsciiSrcObject src)
+{
+ String string;
+ XawTextPosition first;
+ Piece *piece;
+
+ string = XtMalloc((unsigned)(src->ascii_src.length + 1));
+
+ for (first = 0, piece = src->ascii_src.first_piece ; piece != NULL;
+ first += piece->used, piece = piece->next)
+ memcpy(string + first, piece->text, (unsigned)piece->used);
+
+ string[src->ascii_src.length] = '\0';
+
+ /*
+ * This will refill all pieces to capacity
+ */
+ if (src->ascii_src.data_compression) {
+ FreeAllPieces(src);
+ LoadPieces(src, NULL, string);
+ }
+
+ return (string);
+}
+
+/*
+ * Function:
+ * InitStringOrFile
+ *
+ * Parameters:
+ * src - AsciiSource
+ *
+ * Description:
+ * Initializes the string or file.
+ */
+static FILE *
+InitStringOrFile(AsciiSrcObject src, Bool newString)
+{
+ mode_t open_mode = 0;
+ const char *fdopen_mode = NULL;
+ int fd;
+ FILE *file;
+
+ if (src->ascii_src.type == XawAsciiString) {
+ if (src->ascii_src.string == NULL)
+ src->ascii_src.length = 0;
+
+ else if (!src->ascii_src.use_string_in_place) {
+ src->ascii_src.string = XtNewString(src->ascii_src.string);
+ src->ascii_src.allocated_string = True;
+ src->ascii_src.length = strlen(src->ascii_src.string);
+ }
+
+ if (src->ascii_src.use_string_in_place) {
+ if (src->ascii_src.string != NULL)
+ src->ascii_src.length = strlen(src->ascii_src.string);
+ /* In case the length resource is incorrectly set */
+ if (src->ascii_src.length > src->ascii_src.ascii_length)
+ src->ascii_src.ascii_length = src->ascii_src.length;
+
+ if (src->ascii_src.ascii_length == MAGIC_VALUE)
+ src->ascii_src.piece_size = src->ascii_src.length;
+ else
+ src->ascii_src.piece_size = src->ascii_src.ascii_length + 1;
+ }
+
+ return (NULL);
+ }
+
+ /*
+ * type is XawAsciiFile
+ */
+ src->ascii_src.is_tempfile = False;
+
+ switch (src->text_src.edit_mode) {
+ case XawtextRead:
+ if (src->ascii_src.string == NULL)
+ XtErrorMsg("NoFile", "asciiSourceCreate", "XawError",
+ "Creating a read only disk widget and no file specified.",
+ NULL, NULL);
+ open_mode = O_RDONLY;
+ fdopen_mode = "r";
+ break;
+ case XawtextAppend:
+ case XawtextEdit:
+ if (src->ascii_src.string == NULL) {
+ src->ascii_src.string = "*ascii-src*";
+ src->ascii_src.is_tempfile = True;
+ }
+ else {
+/* O_NOFOLLOW is a FreeBSD & Linux extension */
+#ifdef O_NOFOLLOW
+ open_mode = O_RDWR | O_NOFOLLOW;
+#else
+ open_mode = O_RDWR; /* unsafe; subject to race conditions */
+#endif /* O_NOFOLLOW */
+ fdopen_mode = "r+";
+ }
+ break;
+ default:
+ XtErrorMsg("badMode", "asciiSourceCreate", "XawError",
+ "Bad editMode for ascii source; must be Read, "
+ "Append or Edit.",
+ NULL, NULL);
+ }
+
+ /* If is_tempfile, allocate a private copy of the text
+ * Unlikely to be changed, just to set allocated_string */
+ if (newString || src->ascii_src.is_tempfile) {
+ src->ascii_src.string = XtNewString(src->ascii_src.string);
+ src->ascii_src.allocated_string = True;
+ }
+
+ if (!src->ascii_src.is_tempfile) {
+ if ((fd = open(src->ascii_src.string, open_mode, 0666)) != -1) {
+ if ((file = fdopen(fd, fdopen_mode))) {
+ (void)fseek(file, 0, SEEK_END);
+ src->ascii_src.length = (XawTextPosition)ftell(file);
+ return (file);
+ }
+ }
+ {
+ String params[2];
+ Cardinal num_params = 2;
+
+ params[0] = src->ascii_src.string;
+ params[1] = strerror(errno);
+ XtAppWarningMsg(XtWidgetToApplicationContext((Widget)src),
+ "openError", "asciiSourceCreate", "XawWarning",
+ "Cannot open file %s; %s", params, &num_params);
+ }
+ }
+ src->ascii_src.length = 0;
+ return (NULL);
+}
+
+static void
+LoadPieces(AsciiSrcObject src, FILE *file, char *string)
+{
+ char *ptr;
+ Piece *piece = NULL;
+ XawTextPosition left;
+
+ if (string == NULL) {
+ if (src->ascii_src.type == XawAsciiFile) {
+ if (src->ascii_src.length != 0) {
+ int len;
+
+ left = 0;
+ fseek(file, 0, 0);
+ while (left < src->ascii_src.length) {
+ ptr = XtMalloc((unsigned)src->ascii_src.piece_size);
+ if ((len = fread(ptr, (Size_t)sizeof(unsigned char),
+ (Size_t)src->ascii_src.piece_size, file)) < 0)
+ XtErrorMsg("readError", "asciiSourceCreate", "XawError",
+ "fread returned error.", NULL, NULL);
+ piece = AllocNewPiece(src, piece);
+ piece->text = ptr;
+ piece->used = XawMin(len, src->ascii_src.piece_size);
+ left += piece->used;
+ }
+ }
+ else {
+ piece = AllocNewPiece(src, NULL);
+ piece->text = XtMalloc((unsigned)src->ascii_src.piece_size);
+ piece->used = 0;
+ }
+ return;
+ }
+ else
+ string = src->ascii_src.string;
+ }
+
+ if (src->ascii_src.use_string_in_place) {
+ piece = AllocNewPiece(src, piece);
+ piece->used = XawMin(src->ascii_src.length, src->ascii_src.piece_size);
+ piece->text = src->ascii_src.string;
+ return;
+ }
+
+ ptr = string;
+ left = src->ascii_src.length;
+ do {
+ piece = AllocNewPiece(src, piece);
+
+ piece->text = XtMalloc((unsigned)src->ascii_src.piece_size);
+ piece->used = XawMin(left, src->ascii_src.piece_size);
+ if (piece->used != 0)
+ memcpy(piece->text, ptr, (unsigned)piece->used);
+
+ left -= piece->used;
+ ptr += piece->used;
+ } while (left > 0);
+}
+
+/*
+ * Function:
+ * AllocNewPiece
+ *
+ * Parameters:
+ * src - AsciiSrc Widget
+ * prev - piece just before this one, or NULL
+ *
+ * Description:
+ * Allocates a new piece of memory.
+ *
+ * Returns:
+ * The allocated piece
+ */
+static Piece *
+AllocNewPiece(AsciiSrcObject src, Piece *prev)
+{
+ Piece *piece = XtNew(Piece);
+
+ if (prev == NULL) {
+ src->ascii_src.first_piece = piece;
+ piece->next = NULL;
+ }
+ else {
+ if (prev->next != NULL)
+ (prev->next)->prev = piece;
+ piece->next = prev->next;
+ prev->next = piece;
+ }
+
+ piece->prev = prev;
+
+ return (piece);
+}
+
+/*
+ * Function:
+ * FreeAllPieces
+ *
+ * Parameters:
+ * src - AsciiSrc Widget
+ *
+ * Description:
+ * Frees all the pieces.
+ */
+static void
+FreeAllPieces(AsciiSrcObject src)
+{
+ Piece *next, * first = src->ascii_src.first_piece;
+
+#ifdef DEBUG
+ if (first->prev != NULL)
+ printf("Xaw AsciiSrc Object: possible memory leak in FreeAllPieces().\n");
+#endif
+
+ for (; first != NULL ; first = next) {
+ next = first->next;
+ RemovePiece(src, first);
+ }
+}
+
+/*
+ * Function:
+ * RemovePiece
+ *
+ * Parameters:
+ * piece - piece to remove
+ *
+ * Description:
+ * Removes a piece from the list.
+ */
+static void
+RemovePiece(AsciiSrcObject src, Piece *piece)
+{
+ if (piece->prev == NULL)
+ src->ascii_src.first_piece = piece->next;
+ else
+ piece->prev->next = piece->next;
+
+ if (piece->next != NULL)
+ piece->next->prev = piece->prev;
+
+ if (!src->ascii_src.use_string_in_place)
+ XtFree(piece->text);
+
+ XtFree((char *)piece);
+}
+
+/*
+ * Function:
+ * FindPiece
+ *
+ * Parameters:
+ * src - AsciiSrc Widget
+ * position - position that we are searching for
+ * first - position of the first character in this piece (return)
+ *
+ * Description:
+ * Finds the piece containing the position indicated.
+ *
+ * Returns:
+ * the piece that contains this position
+ */
+static Piece *
+FindPiece(AsciiSrcObject src, XawTextPosition position, XawTextPosition *first)
+{
+ Piece *old_piece, *piece;
+ XawTextPosition temp;
+
+ for (old_piece = NULL, piece = src->ascii_src.first_piece, temp = 0;
+ piece; old_piece = piece, piece = piece->next)
+ if ((temp += piece->used) > position) {
+ *first = temp - piece->used;
+ return (piece);
+ }
+
+ *first = temp - (old_piece ? old_piece->used : 0);
+
+ return (old_piece); /* if we run off the end the return the last piece */
+}
+
+/*
+ * Function:
+ * BreakPiece
+ *
+ * Parameters:
+ * src - AsciiSrc Widget
+ * piece - piece to break
+ *
+ * Description:
+ * Breaks a full piece into two new pieces.
+ */
+#define HALF_PIECE (src->ascii_src.piece_size >> 1)
+static void
+BreakPiece(AsciiSrcObject src, Piece *piece)
+{
+ Piece *cnew = AllocNewPiece(src, piece);
+
+ cnew->text = XtMalloc((unsigned)src->ascii_src.piece_size);
+ memcpy(cnew->text, piece->text + HALF_PIECE,
+ (unsigned)(src->ascii_src.piece_size - HALF_PIECE));
+ piece->used = HALF_PIECE;
+ cnew->used = src->ascii_src.piece_size - HALF_PIECE;
+}
+
+/*ARGSUSED*/
+static void
+CvtStringToAsciiType(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static XawAsciiType type;
+ XrmQuark q;
+ char name[7];
+
+ XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name));
+ q = XrmStringToQuark(name);
+
+ if (q == Qstring)
+ type = XawAsciiString;
+ else if (q == Qfile)
+ type = XawAsciiFile;
+ else {
+ toVal->size = 0;
+ toVal->addr = NULL;
+ XtStringConversionWarning((char *)fromVal->addr, XtRAsciiType);
+ }
+
+ toVal->size = sizeof(XawAsciiType);
+ toVal->addr = (XPointer)&type;
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtAsciiTypeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal,
+ XtPointer *data)
+{
+ static String buffer;
+ Cardinal size;
+
+ switch (*(XawAsciiType *)fromVal->addr) {
+ case XawAsciiFile:
+ buffer = XtEfile;
+ break;
+ case XawAsciiString:
+ buffer = XtEstring;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtRAsciiType);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+/*ARGSUSED*/
+static void
+GetDefaultPieceSize(Widget w, int offset, XrmValue *value)
+{
+ static XPointer pagesize;
+
+ if (pagesize == NULL) {
+ pagesize = (XPointer)((long)_XawGetPageSize());
+ if (pagesize < (XPointer)BUFSIZ)
+ pagesize = (XPointer)BUFSIZ;
+ }
+
+ value->addr = (XPointer)&pagesize;
+}
+
+#if (defined(ASCII_STRING) || defined(ASCII_DISK))
+# include <X11/Xaw/Cardinals.h>
+#endif
+
+#ifdef ASCII_STRING
+/*
+ * Compatability functions.
+ */
+/*
+ * Function:
+ * AsciiStringSourceCreate
+ *
+ * Parameters:
+ * parent - widget that will own this source
+ * args - the argument list
+ * num_args - ""
+ *
+ * Description:
+ * Creates a string source.
+ *
+ * Returns:
+ * A pointer to the new text source.
+ */
+Widget
+XawStringSourceCreate(Widget parent, ArgList args, Cardinal num_args)
+{
+ XawTextSource src;
+ ArgList ascii_args;
+ Arg temp[2];
+
+ XtSetArg(temp[0], XtNtype, XawAsciiString);
+ XtSetArg(temp[1], XtNuseStringInPlace, True);
+ ascii_args = XtMergeArgLists(temp, TWO, args, num_args);
+
+ src = XtCreateWidget("genericAsciiString", asciiSrcObjectClass, parent,
+ ascii_args, num_args + TWO);
+ XtFree((char *)ascii_args);
+
+ return (src);
+}
+
+/*
+ * This is hacked up to try to emulate old functionality, it
+ * may not work, as I have not old code to test it on.
+ *
+ * Chris D. Peterson 8/31/89.
+ */
+void
+XawTextSetLastPos(Widget w, XawTextPosition lastPos)
+{
+ AsciiSrcObject src = (AsciiSrcObject)XawTextGetSource(w);
+
+ src->ascii_src.piece_size = lastPos;
+}
+#endif /* ASCII_STRING */
+
+#ifdef ASCII_DISK
+/*
+ * Function:
+ * AsciiDiskSourceCreate
+ *
+ * Parameters:
+ * parent - widget that will own this source
+ * args - argument list
+ * num_args - ""
+ *
+ * Description:
+ * Creates a disk source.
+ *
+ * Returns:
+ * A pointer to the new text source
+ */
+Widget
+XawDiskSourceCreate(Widget parent, ArgList args, Cardinal num_args)
+{
+ XawTextSource src;
+ ArgList ascii_args;
+ Arg temp[1];
+ int i;
+
+ XtSetArg(temp[0], XtNtype, XawAsciiFile);
+ ascii_args = XtMergeArgLists(temp, ONE, args, num_args);
+ num_args++;
+
+ for (i = 0; i < num_args; i++)
+ if (streq(ascii_args[i].name, XtNfile)
+ || streq(ascii_args[i].name, XtCFile))
+ ascii_args[i].name = XtNstring;
+
+ src = XtCreateWidget("genericAsciiDisk", asciiSrcObjectClass, parent,
+ ascii_args, num_args);
+ XtFree((char *)ascii_args);
+
+ return (src);
+}
+#endif /* ASCII_DISK */
diff --git a/libXaw/src/AsciiText.c b/libXaw/src/AsciiText.c index 25cea9d18..6d76b154f 100644 --- a/libXaw/src/AsciiText.c +++ b/libXaw/src/AsciiText.c @@ -1,357 +1,357 @@ -/* - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -*/ - -/* - * AsciiText.c - Source code for AsciiText Widget - * - * This Widget is intended to be used as a simple front end to the - * text widget with an ascii source and ascii sink attached to it - * - * Date: June 29, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/AsciiTextP.h> -#include <X11/Xaw/AsciiSrcP.h> -#include <X11/Xaw/AsciiSink.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/MultiSinkP.h> -#include <X11/Xaw/MultiSrc.h> -#include <X11/Xaw/XawImP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define TAB_COUNT 32 - -/* - * Class Methods - */ -static void XawAsciiInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawAsciiDestroy(Widget); - -/* - * From TextSrc.c - */ -void _XawSourceAddText(Widget, Widget); -void _XawSourceRemoveText(Widget, Widget, Bool); - -#define Superclass (&textClassRec) -AsciiTextClassRec asciiTextClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Text", /* class_name */ - sizeof(AsciiRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - XawAsciiInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - NULL, /* resources */ - 0, /* num_resource */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - XtExposeGraphicsExpose | /* compress_exposure */ - XtExposeNoExpose, - True, /* compress_enterleave */ - False, /* visible_interest */ - XawAsciiDestroy, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - NULL, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - XtInheritAcceptFocus, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - XtInheritTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* text */ - { - NULL, /* extension */ - }, - /* ascii */ - { - NULL, /* extension */ - }, -}; - -WidgetClass asciiTextWidgetClass = (WidgetClass)&asciiTextClassRec; - -#ifdef ASCII_STRING -AsciiStringClassRec asciiStringClassRec = { - /* core */ - { - (WidgetClass)&asciiTextClassRec, /* superclass */ - "Text", /* class_name */ - sizeof(AsciiStringRec), /* widget_size */ - NULL, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - NULL, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - NULL, /* resources */ - 0, /* num_resource */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - XtExposeGraphicsExpose | /* compress_exposure */ - XtExposeNoExpose, - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - NULL, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - XtInheritAcceptFocus, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - XtInheritTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* text */ - { - NULL, /* extension */ - }, - /* ascii */ - { - NULL, /* extension */ - }, - /* string */ - { - NULL, /* extension */ - }, -}; - -WidgetClass asciiStringWidgetClass = (WidgetClass)&asciiStringClassRec; -#endif /* ASCII_STRING */ - -#ifdef ASCII_DISK -AsciiDiskClassRec asciiDiskClassRec = { - /* core */ - { - (WidgetClass)&asciiTextClassRec, /* superclass */ - "Text", /* class_name */ - sizeof(AsciiDiskRec), /* widget_size */ - NULL, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - NULL, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - NULL, /* resources */ - 0, /* num_resource */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - XtExposeGraphicsExpose | /* compress_enterleave */ - XtExposeNoExpose, - False, /* visible_interest */ - NULL, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - NULL, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - XtInheritAcceptFocus, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - XtInheritTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* text */ - { - NULL, /* extension */ - }, - /* ascii */ - { - NULL, /* extension */ - }, - /* disk */ - { - NULL, /* extension */ - }, -}; - -WidgetClass asciiDiskWidgetClass = (WidgetClass)&asciiDiskClassRec; -#endif /* ASCII_DISK */ - -/* - * Implementation - */ -static void -XawAsciiInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - AsciiWidget w = (AsciiWidget)cnew; - int i; - int tabs[TAB_COUNT], tab; - - MultiSinkObject sink; - - /* superclass Initialize can't set the following, - * as it didn't know the source or sink when it was called - */ - if (XtHeight(request) == DEFAULT_TEXT_HEIGHT) - XtHeight(cnew) = DEFAULT_TEXT_HEIGHT; - - /* This is the main change for internationalization */ - if (w->simple.international == True) { /* The multi* are international */ - if (w->text.sink == NULL) - w->text.sink = XtCreateWidget("textSink", multiSinkObjectClass, - cnew, args, *num_args); - else if (!XtIsSubclass(w->text.sink, multiSinkObjectClass)) - XtError("Sink object is not a subclass of multiSink"); - - if (w->text.source == NULL) - w->text.source = XtCreateWidget("textSource", multiSrcObjectClass, - cnew, args, *num_args); - else if (!XtIsSubclass(w->text.source, multiSrcObjectClass)) - XtError("Source object is not a subclass of multiSrc"); -#ifndef OLDXAW - else - _XawSourceAddText(w->text.source, cnew); -#endif - } - else { - if (w->text.sink == NULL) - w->text.sink = XtCreateWidget("textSink", asciiSinkObjectClass, - cnew, args, *num_args); - else if (!XtIsSubclass(w->text.source, asciiSinkObjectClass)) - XtError("Sink object is not a subclass of asciiSink"); - - if (w->text.source == NULL) - w->text.source = XtCreateWidget("textSource", asciiSrcObjectClass, - cnew, args, *num_args); - else if (!XtIsSubclass(w->text.source, asciiSrcObjectClass)) - XtError("Source object is not a subclass of asciiSrc"); -#ifndef OLDXAW - else - _XawSourceAddText(w->text.source, cnew); -#endif - } - - if (XtHeight(w) == DEFAULT_TEXT_HEIGHT) - XtHeight(w) = VMargins(w) + XawTextSinkMaxHeight(w->text.sink, 1); - - for (i = 0, tab = 0; i < TAB_COUNT; i++) - tabs[i] = (tab += 8); - - XawTextSinkSetTabs(w->text.sink, TAB_COUNT, tabs); - - XawTextDisableRedisplay(cnew); - XawTextEnableRedisplay(cnew); - - _XawImRegister(cnew); - - /* If we are using a MultiSink we need to tell the input method stuff */ - if (w->simple.international == True) { - Arg list[4]; - Cardinal ac = 0; - - sink = (MultiSinkObject)w->text.sink; - XtSetArg(list[ac], XtNfontSet, sink->multi_sink.fontset); ac++; - XtSetArg(list[ac], XtNinsertPosition, w->text.insertPos); ac++; - XtSetArg(list[ac], XtNforeground, sink->text_sink.foreground); ac++; - XtSetArg(list[ac], XtNbackground, sink->text_sink.background); ac++; - _XawImSetValues(cnew, list, ac); - } -} - -static void -XawAsciiDestroy(Widget w) -{ - AsciiWidget ascii = (AsciiWidget)w; - - _XawImUnregister(w); - - if (w == XtParent(ascii->text.sink)) - XtDestroyWidget(ascii->text.sink); - -#ifdef OLDXAW - if (w == XtParent(ascii->text.source)) - XtDestroyWidget(ascii->text.source); -#else - _XawSourceRemoveText(ascii->text.source, w, - ascii->text.source && - w == XtParent(ascii->text.source)); -#endif -} +/*
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+*/
+
+/*
+ * AsciiText.c - Source code for AsciiText Widget
+ *
+ * This Widget is intended to be used as a simple front end to the
+ * text widget with an ascii source and ascii sink attached to it
+ *
+ * Date: June 29, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/AsciiTextP.h>
+#include <X11/Xaw/AsciiSrcP.h>
+#include <X11/Xaw/AsciiSink.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/MultiSinkP.h>
+#include <X11/Xaw/MultiSrc.h>
+#include <X11/Xaw/XawImP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define TAB_COUNT 32
+
+/*
+ * Class Methods
+ */
+static void XawAsciiInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawAsciiDestroy(Widget);
+
+/*
+ * From TextSrc.c
+ */
+void _XawSourceAddText(Widget, Widget);
+void _XawSourceRemoveText(Widget, Widget, Bool);
+
+#define Superclass (&textClassRec)
+AsciiTextClassRec asciiTextClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Text", /* class_name */
+ sizeof(AsciiRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ XawAsciiInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ NULL, /* resources */
+ 0, /* num_resource */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ XtExposeGraphicsExpose | /* compress_exposure */
+ XtExposeNoExpose,
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawAsciiDestroy, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ NULL, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ XtInheritAcceptFocus, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ XtInheritTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* text */
+ {
+ NULL, /* extension */
+ },
+ /* ascii */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass asciiTextWidgetClass = (WidgetClass)&asciiTextClassRec;
+
+#ifdef ASCII_STRING
+AsciiStringClassRec asciiStringClassRec = {
+ /* core */
+ {
+ (WidgetClass)&asciiTextClassRec, /* superclass */
+ "Text", /* class_name */
+ sizeof(AsciiStringRec), /* widget_size */
+ NULL, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ NULL, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ NULL, /* resources */
+ 0, /* num_resource */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ XtExposeGraphicsExpose | /* compress_exposure */
+ XtExposeNoExpose,
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ NULL, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ XtInheritAcceptFocus, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ XtInheritTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* text */
+ {
+ NULL, /* extension */
+ },
+ /* ascii */
+ {
+ NULL, /* extension */
+ },
+ /* string */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass asciiStringWidgetClass = (WidgetClass)&asciiStringClassRec;
+#endif /* ASCII_STRING */
+
+#ifdef ASCII_DISK
+AsciiDiskClassRec asciiDiskClassRec = {
+ /* core */
+ {
+ (WidgetClass)&asciiTextClassRec, /* superclass */
+ "Text", /* class_name */
+ sizeof(AsciiDiskRec), /* widget_size */
+ NULL, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ NULL, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ NULL, /* resources */
+ 0, /* num_resource */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ XtExposeGraphicsExpose | /* compress_enterleave */
+ XtExposeNoExpose,
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ NULL, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ XtInheritAcceptFocus, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ XtInheritTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* text */
+ {
+ NULL, /* extension */
+ },
+ /* ascii */
+ {
+ NULL, /* extension */
+ },
+ /* disk */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass asciiDiskWidgetClass = (WidgetClass)&asciiDiskClassRec;
+#endif /* ASCII_DISK */
+
+/*
+ * Implementation
+ */
+static void
+XawAsciiInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ AsciiWidget w = (AsciiWidget)cnew;
+ int i;
+ int tabs[TAB_COUNT], tab;
+
+ MultiSinkObject sink;
+
+ /* superclass Initialize can't set the following,
+ * as it didn't know the source or sink when it was called
+ */
+ if (XtHeight(request) == DEFAULT_TEXT_HEIGHT)
+ XtHeight(cnew) = DEFAULT_TEXT_HEIGHT;
+
+ /* This is the main change for internationalization */
+ if (w->simple.international == True) { /* The multi* are international */
+ if (w->text.sink == NULL)
+ w->text.sink = XtCreateWidget("textSink", multiSinkObjectClass,
+ cnew, args, *num_args);
+ else if (!XtIsSubclass(w->text.sink, multiSinkObjectClass))
+ XtError("Sink object is not a subclass of multiSink");
+
+ if (w->text.source == NULL)
+ w->text.source = XtCreateWidget("textSource", multiSrcObjectClass,
+ cnew, args, *num_args);
+ else if (!XtIsSubclass(w->text.source, multiSrcObjectClass))
+ XtError("Source object is not a subclass of multiSrc");
+#ifndef OLDXAW
+ else
+ _XawSourceAddText(w->text.source, cnew);
+#endif
+ }
+ else {
+ if (w->text.sink == NULL)
+ w->text.sink = XtCreateWidget("textSink", asciiSinkObjectClass,
+ cnew, args, *num_args);
+ else if (!XtIsSubclass(w->text.source, asciiSinkObjectClass))
+ XtError("Sink object is not a subclass of asciiSink");
+
+ if (w->text.source == NULL)
+ w->text.source = XtCreateWidget("textSource", asciiSrcObjectClass,
+ cnew, args, *num_args);
+ else if (!XtIsSubclass(w->text.source, asciiSrcObjectClass))
+ XtError("Source object is not a subclass of asciiSrc");
+#ifndef OLDXAW
+ else
+ _XawSourceAddText(w->text.source, cnew);
+#endif
+ }
+
+ if (XtHeight(w) == DEFAULT_TEXT_HEIGHT)
+ XtHeight(w) = VMargins(w) + XawTextSinkMaxHeight(w->text.sink, 1);
+
+ for (i = 0, tab = 0; i < TAB_COUNT; i++)
+ tabs[i] = (tab += 8);
+
+ XawTextSinkSetTabs(w->text.sink, TAB_COUNT, tabs);
+
+ XawTextDisableRedisplay(cnew);
+ XawTextEnableRedisplay(cnew);
+
+ _XawImRegister(cnew);
+
+ /* If we are using a MultiSink we need to tell the input method stuff */
+ if (w->simple.international == True) {
+ Arg list[4];
+ Cardinal ac = 0;
+
+ sink = (MultiSinkObject)w->text.sink;
+ XtSetArg(list[ac], XtNfontSet, sink->multi_sink.fontset); ac++;
+ XtSetArg(list[ac], XtNinsertPosition, w->text.insertPos); ac++;
+ XtSetArg(list[ac], XtNforeground, sink->text_sink.foreground); ac++;
+ XtSetArg(list[ac], XtNbackground, sink->text_sink.background); ac++;
+ _XawImSetValues(cnew, list, ac);
+ }
+}
+
+static void
+XawAsciiDestroy(Widget w)
+{
+ AsciiWidget ascii = (AsciiWidget)w;
+
+ _XawImUnregister(w);
+
+ if (w == XtParent(ascii->text.sink))
+ XtDestroyWidget(ascii->text.sink);
+
+#ifdef OLDXAW
+ if (w == XtParent(ascii->text.source))
+ XtDestroyWidget(ascii->text.source);
+#else
+ _XawSourceRemoveText(ascii->text.source, w,
+ ascii->text.source &&
+ w == XtParent(ascii->text.source));
+#endif
+}
diff --git a/libXaw/src/Box.c b/libXaw/src/Box.c index 7aa14a5e8..5c6cfa2a2 100644 --- a/libXaw/src/Box.c +++ b/libXaw/src/Box.c @@ -1,672 +1,672 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/BoxP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void XawBoxChangeManaged(Widget); -static void XawBoxClassInitialize(void); -#ifndef OLDXAW -static void XawBoxExpose(Widget, XEvent*, Region); -#endif -static XtGeometryResult XawBoxGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawBoxInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawBoxQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawBoxRealize(Widget, Mask*, XSetWindowAttributes*); -static void XawBoxResize(Widget); -static Boolean XawBoxSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void DoLayout(BoxWidget, unsigned int, unsigned int, - Dimension*, Dimension*, Bool); -static Bool TryNewLayout(BoxWidget); - -/* - * Initialization - */ -#ifndef OLDXAW -static XtActionsRec actions[] = { - {"set-values", XawSetValuesAction}, - {"get-values", XawGetValuesAction}, - {"declare", XawDeclareAction}, - {"call-proc", XawCallProcAction}, -}; -#endif - -static XtResource resources[] = { - { - XtNhSpace, - XtCHSpace, - XtRDimension, - sizeof(Dimension), - XtOffsetOf(BoxRec, box.h_space), - XtRImmediate, - (XtPointer)4 - }, - { - XtNvSpace, - XtCVSpace, - XtRDimension, - sizeof(Dimension), - XtOffsetOf(BoxRec, box.v_space), - XtRImmediate, - (XtPointer)4 - }, - { - XtNorientation, - XtCOrientation, - XtROrientation, - sizeof(XtOrientation), - XtOffsetOf(BoxRec, box.orientation), - XtRImmediate, - (XtPointer)XtorientVertical - }, -#ifndef OLDXAW - { - XawNdisplayList, - XawCDisplayList, - XawRDisplayList, - sizeof(XawDisplayList*), - XtOffsetOf(BoxRec, box.display_list), - XtRImmediate, - NULL - }, -#endif -}; - -BoxClassRec boxClassRec = { - /* core */ - { - (WidgetClass)&compositeClassRec, /* superclass */ - "Box", /* class_name */ - sizeof(BoxRec), /* widget_size */ - XawBoxClassInitialize, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - XawBoxInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawBoxRealize, /* realize */ -#ifndef OLDXAW - actions, /* actions */ - XtNumber(actions), /* num_actions */ -#else - NULL, /* actions */ - 0, /* num_actions */ -#endif - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XawBoxResize, /* resize */ -#ifndef OLDXAW - XawBoxExpose, /* expose */ -#else - NULL, /* expose */ -#endif - XawBoxSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XawBoxQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XawBoxGeometryManager, /* geometry_manager */ - XawBoxChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - /* box */ - { - NULL, /* extension */ - }, -}; - -WidgetClass boxWidgetClass = (WidgetClass)&boxClassRec; - -/* - * Do a layout, either actually assigning positions, or just calculating size. - * Returns minimum width and height that will preserve the same layout. - */ -static void -DoLayout(BoxWidget bbw, unsigned int width, unsigned int height, - Dimension *reply_width, Dimension *reply_height, Bool position) -{ - Boolean vbox = (bbw->box.orientation == XtorientVertical); - Cardinal i; - Dimension w, h; /* Width and height needed for box */ - Dimension lw, lh; /* Width and height needed for current line */ - Dimension bw, bh; /* Width and height needed for current widget */ - Dimension h_space; /* Local copy of bbw->box.h_space */ - Widget widget; /* Current widget */ - unsigned int num_mapped_children = 0; - - /* Box width and height */ - h_space = bbw->box.h_space; - - w = 0; - for (i = 0; i < bbw->composite.num_children; i++) { - if (XtIsManaged(bbw->composite.children[i]) - && bbw->composite.children[i]->core.width > w) - w = bbw->composite.children[i]->core.width; - } - w += h_space; - if (w > width) - width = w; - h = bbw->box.v_space; - - /* Line width and height */ - lh = 0; - lw = h_space; - - for (i = 0; i < bbw->composite.num_children; i++) { - widget = bbw->composite.children[i]; - if (widget->core.managed) { - if (widget->core.mapped_when_managed) - num_mapped_children++; - /* Compute widget width */ - bw = XtWidth(widget) + (XtBorderWidth(widget)<<1) + h_space; - if ((Dimension)(lw + bw) > width) { - if (lw > h_space) { - /* At least one widget on this line, and - * can't fit any more. Start new line if vbox - */ - AssignMax(w, lw); - if (vbox) { - h += lh + bbw->box.v_space; - lh = 0; - lw = h_space; - } - } - else if (!position) { - /* too narrow for this widget; we'll assume we can grow */ - DoLayout(bbw, (unsigned)(lw + bw), height, reply_width, - reply_height, position); - return; - } - } - if (position && (lw != XtX(widget) || h != XtY(widget))) { - /* It would be nice to use window gravity, but there isn't - * sufficient fine-grain control to nicely handle all - * situations (e.g. when only the height changes -- - * a common case). Explicit unmapping is a cheap hack - * to speed things up & avoid the visual jitter as - * things slide around. - * - * %%% perhaps there should be a client resource to - * control this. If so, we'll have to optimize to - * perform the moves from the correct end so we don't - * force extra exposures as children occlude each other. - */ - if (XtIsRealized(widget) && widget->core.mapped_when_managed) - XUnmapWindow( XtDisplay(widget), XtWindow(widget)); - XtMoveWidget(widget, (int)lw, (int)h); - } - lw += bw; - bh = XtHeight(widget) + (XtBorderWidth(widget) << 1); - AssignMax(lh, bh); - } - } - - if (!vbox && width && lw > width && lh < height) { - /* reduce width if too wide and height not filled */ - Dimension sw = lw, sh = lh; - Dimension width_needed = width; - XtOrientation orientation = bbw->box.orientation; - - bbw->box.orientation = XtorientVertical; - while (sh < height && sw > width) { - width_needed = sw; - DoLayout(bbw, (unsigned)(sw-1), height, &sw, &sh, False); - } - if (sh < height) - width_needed = sw; - if (width_needed != lw) { - DoLayout(bbw, width_needed, height, - reply_width, reply_height, position); - bbw->box.orientation = orientation; - return; - } - bbw->box.orientation = orientation; - } - if (vbox && (width < w || width < lw)) { - AssignMax(w, lw); - DoLayout(bbw, w, height, reply_width, reply_height, position); - return; - } - if (position && XtIsRealized((Widget)bbw)) { - if (bbw->composite.num_children == num_mapped_children) - XMapSubwindows(XtDisplay((Widget)bbw), XtWindow((Widget)bbw)); - else { - int ii = bbw->composite.num_children; - Widget *childP = bbw->composite.children; - - for (; ii > 0; childP++, ii--) - if (XtIsRealized(*childP) && XtIsManaged(*childP) - && (*childP)->core.mapped_when_managed) - XtMapWidget(*childP); - } - } - - /* Finish off last line */ - if (lw > h_space) { - AssignMax(w, lw); - h += lh + bbw->box.v_space; - } - - *reply_width = Max(w, 1); - *reply_height = Max(h, 1); -} - -/* - * Calculate preferred size, given constraining box, caching it in the widget - */ -static XtGeometryResult -XawBoxQueryGeometry(Widget widget, XtWidgetGeometry *constraint, - XtWidgetGeometry *preferred) -{ - BoxWidget w = (BoxWidget)widget; - Dimension width; - Dimension preferred_width = w->box.preferred_width; - Dimension preferred_height = w->box.preferred_height; - - constraint->request_mode &= CWWidth | CWHeight; - - if (constraint->request_mode == 0) - /* parent isn't going to change w or h, so nothing to re-compute */ - return (XtGeometryYes); - - if (constraint->request_mode == w->box.last_query_mode - && (!(constraint->request_mode & CWWidth) - || constraint->width == w->box.last_query_width) - && (!(constraint->request_mode & CWHeight) - || constraint->height == w->box.last_query_height)) { - /* same query; current preferences are still valid */ - preferred->request_mode = CWWidth | CWHeight; - preferred->width = preferred_width; - preferred->height = preferred_height; - if (constraint->request_mode == (CWWidth | CWHeight) - && constraint->width == preferred_width - && constraint->height == preferred_height) - return (XtGeometryYes); - else - return (XtGeometryAlmost); - } - - /* else gotta do it the long way... - I have a preference for tall and narrow, so if my width is - constrained, I'll accept it; otherwise, I'll compute the minimum - width that will fit me within the height constraint */ - - w->box.last_query_mode = constraint->request_mode; - w->box.last_query_width = constraint->width; - w->box.last_query_height= constraint->height; - - if (constraint->request_mode & CWWidth) - width = constraint->width; - else { /* if (constraint->request_mode & CWHeight) */ - /* let's see if I can become any narrower */ - width = 0; - constraint->width = 65535; - } - - /* height is currently ignored by DoLayout. - height = (constraint->request_mode & CWHeight) ? constraint->height - : *preferred_height; - */ - DoLayout(w, width, 0, &preferred_width, &preferred_height, False); - - if (constraint->request_mode & CWHeight - && preferred_height > constraint->height) { - /* find minimum width for this height */ - if (preferred_width <= constraint->width) { - width = preferred_width; - do { /* find some width big enough to stay within this height */ - width <<= 1; - if (width > constraint->width) - width = constraint->width; - DoLayout(w, width, 0, &preferred_width, &preferred_height, False); - } while (preferred_height > constraint->height - && width < constraint->width); - if (width != constraint->width) { - do { /* find minimum width */ - width = preferred_width; - DoLayout(w, (unsigned)(preferred_width - 1), 0, - &preferred_width, &preferred_height, False); - } while (preferred_height < constraint->height); - /* one last time */ - DoLayout(w, width, 0, &preferred_width, &preferred_height, False); - } - } - } - - preferred->request_mode = CWWidth | CWHeight; - preferred->width = w->box.preferred_width = preferred_width; - preferred->height = w->box.preferred_height = preferred_height; - - if (constraint->request_mode == (CWWidth|CWHeight) - && constraint->width == preferred_width - && constraint->height == preferred_height) - return (XtGeometryYes); - - return (XtGeometryAlmost); -} - -/* - * Actually layout the box - */ -static void -XawBoxResize(Widget w) -{ - Dimension tmp; - - DoLayout((BoxWidget)w, XtWidth(w), XtHeight(w), &tmp, &tmp, True); -} - -/* - * Try to do a new layout within the current width and height; - * if that fails try to resize and do it within the box returne - * by XawBoxQueryGeometry - * - * TryNewLayout just says if it's possible, and doesn't actually move the kids - */ -static Bool -TryNewLayout(BoxWidget bbw) -{ - Dimension preferred_width, preferred_height; - Dimension proposed_width, proposed_height; - int iterations; - - DoLayout(bbw, bbw->core.width, bbw->core.height, - &preferred_width, &preferred_height, False); - - /* at this point, preferred_width is guaranteed to not be greater - than bbw->core.width unless some child is larger, so there's no - point in re-computing another layout */ - - if (XtWidth(bbw) == preferred_width && XtHeight(bbw) == preferred_height) - return (True); - - /* let's see if our parent will go for a new size */ - iterations = 0; - proposed_width = preferred_width; - proposed_height = preferred_height; - do { - switch (XtMakeResizeRequest((Widget)bbw,proposed_width,proposed_height, - &proposed_width, &proposed_height)) { - case XtGeometryYes: - return (True); - case XtGeometryNo: - if (iterations > 0) - /* protect from malicious parents who change their minds */ - DoLayout(bbw, bbw->core.width, bbw->core.height, - &preferred_width, &preferred_height, False); - if (preferred_width <= XtWidth(bbw) - && preferred_height <= XtHeight(bbw)) - return (True); - else - return (False); - case XtGeometryAlmost: - if (proposed_height >= preferred_height && - proposed_width >= preferred_width) { - /* - * Take it, and assume the parent knows what it is doing. - * - * The parent must accept this since it was returned in - * almost. - */ - (void)XtMakeResizeRequest((Widget)bbw, - proposed_width, proposed_height, - &proposed_width, &proposed_height); - return (True); - } - else if (proposed_width != preferred_width) { - /* recalc bounding box; height might change */ - DoLayout(bbw, proposed_width, 0, - &preferred_width, &preferred_height, False); - proposed_height = preferred_height; - } - else { /* proposed_height != preferred_height */ - XtWidgetGeometry constraints, reply; - - constraints.request_mode = CWHeight; - constraints.height = proposed_height; - (void)XawBoxQueryGeometry((Widget)bbw, &constraints, &reply); - proposed_width = preferred_width; - } - /*FALLTHROUGH*/ - default: - break; - } - iterations++; - } while (iterations < 10); - - return (False); -} - -/* - * Geometry Manager - * - * 'reply' is unused; we say only yeay or nay, never almost. - */ -/*ARGSUSED*/ -static XtGeometryResult -XawBoxGeometryManager(Widget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - Dimension width, height, borderWidth; - BoxWidget bbw; - - /* Position request always denied */ - if (((request->request_mode & CWX) && request->x != XtX(w)) - || ((request->request_mode & CWY) && request->y != XtY(w))) - return (XtGeometryNo); - - /* Size changes must see if the new size can be accomodated */ - if (request->request_mode & (CWWidth | CWHeight | CWBorderWidth)) { - /* Make all three fields in the request valid */ - if ((request->request_mode & CWWidth) == 0) - request->width = XtWidth(w); - if ((request->request_mode & CWHeight) == 0) - request->height = XtHeight(w); - if ((request->request_mode & CWBorderWidth) == 0) - request->border_width = XtBorderWidth(w); - - /* Save current size and set to new size */ - width = XtWidth(w); - height = XtHeight(w); - borderWidth = XtBorderWidth(w); - XtWidth(w) = request->width; - XtHeight(w) = request->height; - XtBorderWidth(w) = request->border_width; - - /* Decide if new layout works: - (1) new widget is smaller, - (2) new widget fits in existing Box, - (3) Box can be expanded to allow new widget to fit - */ - - bbw = (BoxWidget) w->core.parent; - - if (TryNewLayout(bbw)) { - /* Fits in existing or new space, relayout */ - (*XtClass((Widget)bbw)->core_class.resize)((Widget)bbw); - return (XtGeometryYes); - } - else { - /* Cannot satisfy request, change back to original geometry */ - XtWidth(w) = width; - XtHeight(w) = height; - XtBorderWidth(w) = borderWidth; - return (XtGeometryNo); - } - } - - /* Any stacking changes don't make a difference, so allow if that's all */ - return (XtGeometryYes); -} - -static void -XawBoxChangeManaged(Widget w) -{ - /* Reconfigure the box */ - (void)TryNewLayout((BoxWidget)w); - XawBoxResize(w); -} - -static void -XawBoxClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtROrientation, XmuCvtStringToOrientation, - NULL, 0); - XtSetTypeConverter(XtROrientation, XtRString, XmuCvtOrientationToString, - NULL, 0, XtCacheNone, NULL); -} - -/*ARGSUSED*/ -static void -XawBoxInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - BoxWidget newbbw = (BoxWidget)cnew; - - newbbw->box.last_query_mode = CWWidth | CWHeight; - newbbw->box.last_query_width = newbbw->box.last_query_height = 0; - newbbw->box.preferred_width = Max(newbbw->box.h_space, 1); - newbbw->box.preferred_height = Max(newbbw->box.v_space, 1); - - if (XtWidth(newbbw) == 0) - XtWidth(newbbw) = newbbw->box.preferred_width; - - if (XtHeight(newbbw) == 0) - XtHeight(newbbw) = newbbw->box.preferred_height; -} - -static void -XawBoxRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes) -{ -#ifndef OLDXAW - XawPixmap *pixmap; -#endif - - XtCreateWindow(w, InputOutput, (Visual *)CopyFromParent, - *valueMask, attributes); - -#ifndef OLDXAW - if (w->core.background_pixmap > XtUnspecifiedPixmap) { - pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w), - w->core.colormap, w->core.depth); - if (pixmap && pixmap->mask) - XawReshapeWidget(w, pixmap); - } -#endif -} - -/*ARGSUSED*/ -static Boolean -XawBoxSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - /* need to relayout if h_space or v_space change */ -#ifndef OLDXAW - BoxWidget b_old = (BoxWidget)current; - BoxWidget b_new = (BoxWidget)cnew; - - if (b_old->core.background_pixmap != b_new->core.background_pixmap) { - XawPixmap *opix, *npix; - - opix = XawPixmapFromXPixmap(b_old->core.background_pixmap, - XtScreen(b_old), b_old->core.colormap, - b_old->core.depth); - npix = XawPixmapFromXPixmap(b_new->core.background_pixmap, - XtScreen(b_new), b_new->core.colormap, - b_new->core.depth); - if ((npix && npix->mask) || (opix && opix->mask)) - XawReshapeWidget(cnew, npix); - } -#endif /* OLDXAW */ - - return (False); -} - -#ifndef OLDXAW -static void -XawBoxExpose(Widget w, XEvent *event, Region region) -{ - BoxWidget xaw = (BoxWidget)w; - - if (xaw->box.display_list) - XawRunDisplayList(w, xaw->box.display_list, event, region); -} -#endif /* OLDXAW */ +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/BoxP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawBoxChangeManaged(Widget);
+static void XawBoxClassInitialize(void);
+#ifndef OLDXAW
+static void XawBoxExpose(Widget, XEvent*, Region);
+#endif
+static XtGeometryResult XawBoxGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawBoxInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawBoxQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawBoxRealize(Widget, Mask*, XSetWindowAttributes*);
+static void XawBoxResize(Widget);
+static Boolean XawBoxSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void DoLayout(BoxWidget, unsigned int, unsigned int,
+ Dimension*, Dimension*, Bool);
+static Bool TryNewLayout(BoxWidget);
+
+/*
+ * Initialization
+ */
+#ifndef OLDXAW
+static XtActionsRec actions[] = {
+ {"set-values", XawSetValuesAction},
+ {"get-values", XawGetValuesAction},
+ {"declare", XawDeclareAction},
+ {"call-proc", XawCallProcAction},
+};
+#endif
+
+static XtResource resources[] = {
+ {
+ XtNhSpace,
+ XtCHSpace,
+ XtRDimension,
+ sizeof(Dimension),
+ XtOffsetOf(BoxRec, box.h_space),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNvSpace,
+ XtCVSpace,
+ XtRDimension,
+ sizeof(Dimension),
+ XtOffsetOf(BoxRec, box.v_space),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNorientation,
+ XtCOrientation,
+ XtROrientation,
+ sizeof(XtOrientation),
+ XtOffsetOf(BoxRec, box.orientation),
+ XtRImmediate,
+ (XtPointer)XtorientVertical
+ },
+#ifndef OLDXAW
+ {
+ XawNdisplayList,
+ XawCDisplayList,
+ XawRDisplayList,
+ sizeof(XawDisplayList*),
+ XtOffsetOf(BoxRec, box.display_list),
+ XtRImmediate,
+ NULL
+ },
+#endif
+};
+
+BoxClassRec boxClassRec = {
+ /* core */
+ {
+ (WidgetClass)&compositeClassRec, /* superclass */
+ "Box", /* class_name */
+ sizeof(BoxRec), /* widget_size */
+ XawBoxClassInitialize, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ XawBoxInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawBoxRealize, /* realize */
+#ifndef OLDXAW
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+#else
+ NULL, /* actions */
+ 0, /* num_actions */
+#endif
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XawBoxResize, /* resize */
+#ifndef OLDXAW
+ XawBoxExpose, /* expose */
+#else
+ NULL, /* expose */
+#endif
+ XawBoxSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XawBoxQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XawBoxGeometryManager, /* geometry_manager */
+ XawBoxChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ /* box */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass boxWidgetClass = (WidgetClass)&boxClassRec;
+
+/*
+ * Do a layout, either actually assigning positions, or just calculating size.
+ * Returns minimum width and height that will preserve the same layout.
+ */
+static void
+DoLayout(BoxWidget bbw, unsigned int width, unsigned int height,
+ Dimension *reply_width, Dimension *reply_height, Bool position)
+{
+ Boolean vbox = (bbw->box.orientation == XtorientVertical);
+ Cardinal i;
+ Dimension w, h; /* Width and height needed for box */
+ Dimension lw, lh; /* Width and height needed for current line */
+ Dimension bw, bh; /* Width and height needed for current widget */
+ Dimension h_space; /* Local copy of bbw->box.h_space */
+ Widget widget; /* Current widget */
+ unsigned int num_mapped_children = 0;
+
+ /* Box width and height */
+ h_space = bbw->box.h_space;
+
+ w = 0;
+ for (i = 0; i < bbw->composite.num_children; i++) {
+ if (XtIsManaged(bbw->composite.children[i])
+ && bbw->composite.children[i]->core.width > w)
+ w = bbw->composite.children[i]->core.width;
+ }
+ w += h_space;
+ if (w > width)
+ width = w;
+ h = bbw->box.v_space;
+
+ /* Line width and height */
+ lh = 0;
+ lw = h_space;
+
+ for (i = 0; i < bbw->composite.num_children; i++) {
+ widget = bbw->composite.children[i];
+ if (widget->core.managed) {
+ if (widget->core.mapped_when_managed)
+ num_mapped_children++;
+ /* Compute widget width */
+ bw = XtWidth(widget) + (XtBorderWidth(widget)<<1) + h_space;
+ if ((Dimension)(lw + bw) > width) {
+ if (lw > h_space) {
+ /* At least one widget on this line, and
+ * can't fit any more. Start new line if vbox
+ */
+ AssignMax(w, lw);
+ if (vbox) {
+ h += lh + bbw->box.v_space;
+ lh = 0;
+ lw = h_space;
+ }
+ }
+ else if (!position) {
+ /* too narrow for this widget; we'll assume we can grow */
+ DoLayout(bbw, (unsigned)(lw + bw), height, reply_width,
+ reply_height, position);
+ return;
+ }
+ }
+ if (position && (lw != XtX(widget) || h != XtY(widget))) {
+ /* It would be nice to use window gravity, but there isn't
+ * sufficient fine-grain control to nicely handle all
+ * situations (e.g. when only the height changes --
+ * a common case). Explicit unmapping is a cheap hack
+ * to speed things up & avoid the visual jitter as
+ * things slide around.
+ *
+ * %%% perhaps there should be a client resource to
+ * control this. If so, we'll have to optimize to
+ * perform the moves from the correct end so we don't
+ * force extra exposures as children occlude each other.
+ */
+ if (XtIsRealized(widget) && widget->core.mapped_when_managed)
+ XUnmapWindow( XtDisplay(widget), XtWindow(widget));
+ XtMoveWidget(widget, (int)lw, (int)h);
+ }
+ lw += bw;
+ bh = XtHeight(widget) + (XtBorderWidth(widget) << 1);
+ AssignMax(lh, bh);
+ }
+ }
+
+ if (!vbox && width && lw > width && lh < height) {
+ /* reduce width if too wide and height not filled */
+ Dimension sw = lw, sh = lh;
+ Dimension width_needed = width;
+ XtOrientation orientation = bbw->box.orientation;
+
+ bbw->box.orientation = XtorientVertical;
+ while (sh < height && sw > width) {
+ width_needed = sw;
+ DoLayout(bbw, (unsigned)(sw-1), height, &sw, &sh, False);
+ }
+ if (sh < height)
+ width_needed = sw;
+ if (width_needed != lw) {
+ DoLayout(bbw, width_needed, height,
+ reply_width, reply_height, position);
+ bbw->box.orientation = orientation;
+ return;
+ }
+ bbw->box.orientation = orientation;
+ }
+ if (vbox && (width < w || width < lw)) {
+ AssignMax(w, lw);
+ DoLayout(bbw, w, height, reply_width, reply_height, position);
+ return;
+ }
+ if (position && XtIsRealized((Widget)bbw)) {
+ if (bbw->composite.num_children == num_mapped_children)
+ XMapSubwindows(XtDisplay((Widget)bbw), XtWindow((Widget)bbw));
+ else {
+ int ii = bbw->composite.num_children;
+ Widget *childP = bbw->composite.children;
+
+ for (; ii > 0; childP++, ii--)
+ if (XtIsRealized(*childP) && XtIsManaged(*childP)
+ && (*childP)->core.mapped_when_managed)
+ XtMapWidget(*childP);
+ }
+ }
+
+ /* Finish off last line */
+ if (lw > h_space) {
+ AssignMax(w, lw);
+ h += lh + bbw->box.v_space;
+ }
+
+ *reply_width = Max(w, 1);
+ *reply_height = Max(h, 1);
+}
+
+/*
+ * Calculate preferred size, given constraining box, caching it in the widget
+ */
+static XtGeometryResult
+XawBoxQueryGeometry(Widget widget, XtWidgetGeometry *constraint,
+ XtWidgetGeometry *preferred)
+{
+ BoxWidget w = (BoxWidget)widget;
+ Dimension width;
+ Dimension preferred_width = w->box.preferred_width;
+ Dimension preferred_height = w->box.preferred_height;
+
+ constraint->request_mode &= CWWidth | CWHeight;
+
+ if (constraint->request_mode == 0)
+ /* parent isn't going to change w or h, so nothing to re-compute */
+ return (XtGeometryYes);
+
+ if (constraint->request_mode == w->box.last_query_mode
+ && (!(constraint->request_mode & CWWidth)
+ || constraint->width == w->box.last_query_width)
+ && (!(constraint->request_mode & CWHeight)
+ || constraint->height == w->box.last_query_height)) {
+ /* same query; current preferences are still valid */
+ preferred->request_mode = CWWidth | CWHeight;
+ preferred->width = preferred_width;
+ preferred->height = preferred_height;
+ if (constraint->request_mode == (CWWidth | CWHeight)
+ && constraint->width == preferred_width
+ && constraint->height == preferred_height)
+ return (XtGeometryYes);
+ else
+ return (XtGeometryAlmost);
+ }
+
+ /* else gotta do it the long way...
+ I have a preference for tall and narrow, so if my width is
+ constrained, I'll accept it; otherwise, I'll compute the minimum
+ width that will fit me within the height constraint */
+
+ w->box.last_query_mode = constraint->request_mode;
+ w->box.last_query_width = constraint->width;
+ w->box.last_query_height= constraint->height;
+
+ if (constraint->request_mode & CWWidth)
+ width = constraint->width;
+ else { /* if (constraint->request_mode & CWHeight) */
+ /* let's see if I can become any narrower */
+ width = 0;
+ constraint->width = 65535;
+ }
+
+ /* height is currently ignored by DoLayout.
+ height = (constraint->request_mode & CWHeight) ? constraint->height
+ : *preferred_height;
+ */
+ DoLayout(w, width, 0, &preferred_width, &preferred_height, False);
+
+ if (constraint->request_mode & CWHeight
+ && preferred_height > constraint->height) {
+ /* find minimum width for this height */
+ if (preferred_width <= constraint->width) {
+ width = preferred_width;
+ do { /* find some width big enough to stay within this height */
+ width <<= 1;
+ if (width > constraint->width)
+ width = constraint->width;
+ DoLayout(w, width, 0, &preferred_width, &preferred_height, False);
+ } while (preferred_height > constraint->height
+ && width < constraint->width);
+ if (width != constraint->width) {
+ do { /* find minimum width */
+ width = preferred_width;
+ DoLayout(w, (unsigned)(preferred_width - 1), 0,
+ &preferred_width, &preferred_height, False);
+ } while (preferred_height < constraint->height);
+ /* one last time */
+ DoLayout(w, width, 0, &preferred_width, &preferred_height, False);
+ }
+ }
+ }
+
+ preferred->request_mode = CWWidth | CWHeight;
+ preferred->width = w->box.preferred_width = preferred_width;
+ preferred->height = w->box.preferred_height = preferred_height;
+
+ if (constraint->request_mode == (CWWidth|CWHeight)
+ && constraint->width == preferred_width
+ && constraint->height == preferred_height)
+ return (XtGeometryYes);
+
+ return (XtGeometryAlmost);
+}
+
+/*
+ * Actually layout the box
+ */
+static void
+XawBoxResize(Widget w)
+{
+ Dimension tmp;
+
+ DoLayout((BoxWidget)w, XtWidth(w), XtHeight(w), &tmp, &tmp, True);
+}
+
+/*
+ * Try to do a new layout within the current width and height;
+ * if that fails try to resize and do it within the box returne
+ * by XawBoxQueryGeometry
+ *
+ * TryNewLayout just says if it's possible, and doesn't actually move the kids
+ */
+static Bool
+TryNewLayout(BoxWidget bbw)
+{
+ Dimension preferred_width, preferred_height;
+ Dimension proposed_width, proposed_height;
+ int iterations;
+
+ DoLayout(bbw, bbw->core.width, bbw->core.height,
+ &preferred_width, &preferred_height, False);
+
+ /* at this point, preferred_width is guaranteed to not be greater
+ than bbw->core.width unless some child is larger, so there's no
+ point in re-computing another layout */
+
+ if (XtWidth(bbw) == preferred_width && XtHeight(bbw) == preferred_height)
+ return (True);
+
+ /* let's see if our parent will go for a new size */
+ iterations = 0;
+ proposed_width = preferred_width;
+ proposed_height = preferred_height;
+ do {
+ switch (XtMakeResizeRequest((Widget)bbw,proposed_width,proposed_height,
+ &proposed_width, &proposed_height)) {
+ case XtGeometryYes:
+ return (True);
+ case XtGeometryNo:
+ if (iterations > 0)
+ /* protect from malicious parents who change their minds */
+ DoLayout(bbw, bbw->core.width, bbw->core.height,
+ &preferred_width, &preferred_height, False);
+ if (preferred_width <= XtWidth(bbw)
+ && preferred_height <= XtHeight(bbw))
+ return (True);
+ else
+ return (False);
+ case XtGeometryAlmost:
+ if (proposed_height >= preferred_height &&
+ proposed_width >= preferred_width) {
+ /*
+ * Take it, and assume the parent knows what it is doing.
+ *
+ * The parent must accept this since it was returned in
+ * almost.
+ */
+ (void)XtMakeResizeRequest((Widget)bbw,
+ proposed_width, proposed_height,
+ &proposed_width, &proposed_height);
+ return (True);
+ }
+ else if (proposed_width != preferred_width) {
+ /* recalc bounding box; height might change */
+ DoLayout(bbw, proposed_width, 0,
+ &preferred_width, &preferred_height, False);
+ proposed_height = preferred_height;
+ }
+ else { /* proposed_height != preferred_height */
+ XtWidgetGeometry constraints, reply;
+
+ constraints.request_mode = CWHeight;
+ constraints.height = proposed_height;
+ (void)XawBoxQueryGeometry((Widget)bbw, &constraints, &reply);
+ proposed_width = preferred_width;
+ }
+ /*FALLTHROUGH*/
+ default:
+ break;
+ }
+ iterations++;
+ } while (iterations < 10);
+
+ return (False);
+}
+
+/*
+ * Geometry Manager
+ *
+ * 'reply' is unused; we say only yeay or nay, never almost.
+ */
+/*ARGSUSED*/
+static XtGeometryResult
+XawBoxGeometryManager(Widget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ Dimension width, height, borderWidth;
+ BoxWidget bbw;
+
+ /* Position request always denied */
+ if (((request->request_mode & CWX) && request->x != XtX(w))
+ || ((request->request_mode & CWY) && request->y != XtY(w)))
+ return (XtGeometryNo);
+
+ /* Size changes must see if the new size can be accomodated */
+ if (request->request_mode & (CWWidth | CWHeight | CWBorderWidth)) {
+ /* Make all three fields in the request valid */
+ if ((request->request_mode & CWWidth) == 0)
+ request->width = XtWidth(w);
+ if ((request->request_mode & CWHeight) == 0)
+ request->height = XtHeight(w);
+ if ((request->request_mode & CWBorderWidth) == 0)
+ request->border_width = XtBorderWidth(w);
+
+ /* Save current size and set to new size */
+ width = XtWidth(w);
+ height = XtHeight(w);
+ borderWidth = XtBorderWidth(w);
+ XtWidth(w) = request->width;
+ XtHeight(w) = request->height;
+ XtBorderWidth(w) = request->border_width;
+
+ /* Decide if new layout works:
+ (1) new widget is smaller,
+ (2) new widget fits in existing Box,
+ (3) Box can be expanded to allow new widget to fit
+ */
+
+ bbw = (BoxWidget) w->core.parent;
+
+ if (TryNewLayout(bbw)) {
+ /* Fits in existing or new space, relayout */
+ (*XtClass((Widget)bbw)->core_class.resize)((Widget)bbw);
+ return (XtGeometryYes);
+ }
+ else {
+ /* Cannot satisfy request, change back to original geometry */
+ XtWidth(w) = width;
+ XtHeight(w) = height;
+ XtBorderWidth(w) = borderWidth;
+ return (XtGeometryNo);
+ }
+ }
+
+ /* Any stacking changes don't make a difference, so allow if that's all */
+ return (XtGeometryYes);
+}
+
+static void
+XawBoxChangeManaged(Widget w)
+{
+ /* Reconfigure the box */
+ (void)TryNewLayout((BoxWidget)w);
+ XawBoxResize(w);
+}
+
+static void
+XawBoxClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtROrientation, XmuCvtStringToOrientation,
+ NULL, 0);
+ XtSetTypeConverter(XtROrientation, XtRString, XmuCvtOrientationToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/*ARGSUSED*/
+static void
+XawBoxInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ BoxWidget newbbw = (BoxWidget)cnew;
+
+ newbbw->box.last_query_mode = CWWidth | CWHeight;
+ newbbw->box.last_query_width = newbbw->box.last_query_height = 0;
+ newbbw->box.preferred_width = Max(newbbw->box.h_space, 1);
+ newbbw->box.preferred_height = Max(newbbw->box.v_space, 1);
+
+ if (XtWidth(newbbw) == 0)
+ XtWidth(newbbw) = newbbw->box.preferred_width;
+
+ if (XtHeight(newbbw) == 0)
+ XtHeight(newbbw) = newbbw->box.preferred_height;
+}
+
+static void
+XawBoxRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
+{
+#ifndef OLDXAW
+ XawPixmap *pixmap;
+#endif
+
+ XtCreateWindow(w, InputOutput, (Visual *)CopyFromParent,
+ *valueMask, attributes);
+
+#ifndef OLDXAW
+ if (w->core.background_pixmap > XtUnspecifiedPixmap) {
+ pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w),
+ w->core.colormap, w->core.depth);
+ if (pixmap && pixmap->mask)
+ XawReshapeWidget(w, pixmap);
+ }
+#endif
+}
+
+/*ARGSUSED*/
+static Boolean
+XawBoxSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ /* need to relayout if h_space or v_space change */
+#ifndef OLDXAW
+ BoxWidget b_old = (BoxWidget)current;
+ BoxWidget b_new = (BoxWidget)cnew;
+
+ if (b_old->core.background_pixmap != b_new->core.background_pixmap) {
+ XawPixmap *opix, *npix;
+
+ opix = XawPixmapFromXPixmap(b_old->core.background_pixmap,
+ XtScreen(b_old), b_old->core.colormap,
+ b_old->core.depth);
+ npix = XawPixmapFromXPixmap(b_new->core.background_pixmap,
+ XtScreen(b_new), b_new->core.colormap,
+ b_new->core.depth);
+ if ((npix && npix->mask) || (opix && opix->mask))
+ XawReshapeWidget(cnew, npix);
+ }
+#endif /* OLDXAW */
+
+ return (False);
+}
+
+#ifndef OLDXAW
+static void
+XawBoxExpose(Widget w, XEvent *event, Region region)
+{
+ BoxWidget xaw = (BoxWidget)w;
+
+ if (xaw->box.display_list)
+ XawRunDisplayList(w, xaw->box.display_list, event, region);
+}
+#endif /* OLDXAW */
diff --git a/libXaw/src/Command.c b/libXaw/src/Command.c index 9ad1f15fa..268fc19a7 100644 --- a/libXaw/src/Command.c +++ b/libXaw/src/Command.c @@ -1,657 +1,657 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -/* - * Command.c - Command button widget - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/extensions/shape.h> -#include <X11/Xmu/Converters.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/CommandP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define DEFAULT_HIGHLIGHT_THICKNESS 2 -#define DEFAULT_SHAPE_HIGHLIGHT 32767 -#define STR_EQUAL(str1, str2) (str1 == str2 || strcmp(str1, str2) == 0) - -/* - * Class Methods - */ -static void XawCommandClassInitialize(void); -static void XawCommandDestroy(Widget); -static void XawCommandInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawCommandRealize(Widget, Mask*, XSetWindowAttributes*); -static void XawCommandResize(Widget); -static void XawCommandRedisplay(Widget, XEvent*, Region); -static Boolean XawCommandSetValues(Widget, Widget, Widget, ArgList, Cardinal*); -static void XawCommandGetValuesHook(Widget, ArgList, Cardinal*); -static Bool ChangeSensitive(Widget); - -/* - * Prototypes - */ -static GC Get_GC(CommandWidget, Pixel, Pixel); -static void PaintCommandWidget(Widget, XEvent*, Region, Bool); -static Region HighlightRegion(CommandWidget); -static Bool ShapeButton(CommandWidget, Bool); -static void XawCommandToggle(Widget); - -/* - * Actions - */ -static void Highlight(Widget, XEvent*, String*, Cardinal*); -static void Notify(Widget, XEvent*, String*, Cardinal*); -static void Reset(Widget, XEvent*, String*, Cardinal*); -static void Set(Widget, XEvent*, String*, Cardinal*); -static void Unhighlight(Widget, XEvent*, String*, Cardinal*); -static void Unset(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -static char defaultTranslations[] = -"<Enter>:" "highlight()\n" -"<Leave>:" "reset()\n" -"<Btn1Down>:" "set()\n" -"<Btn1Up>:" "notify() unset()\n" -; - -#define offset(field) XtOffsetOf(CommandRec, field) -static XtResource resources[] = { - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(command.callbacks), - XtRCallback, - NULL - }, - { - XtNhighlightThickness, - XtCThickness, - XtRDimension, - sizeof(Dimension), - offset(command.highlight_thickness), - XtRImmediate, - (XtPointer)DEFAULT_SHAPE_HIGHLIGHT - }, - { - XtNshapeStyle, - XtCShapeStyle, - XtRShapeStyle, - sizeof(int), - offset(command.shape_style), - XtRImmediate, - (XtPointer)XawShapeRectangle - }, - { - XtNcornerRoundPercent, - XtCCornerRoundPercent, - XtRDimension, - sizeof(Dimension), - offset(command.corner_round), - XtRImmediate, - (XtPointer)25 - }, -}; -#undef offset - -static XtActionsRec actionsList[] = { - {"set", Set}, - {"notify", Notify}, - {"highlight", Highlight}, - {"reset", Reset}, - {"unset", Unset}, - {"unhighlight", Unhighlight} -}; - -#define SuperClass ((LabelWidgetClass)&labelClassRec) - -CommandClassRec commandClassRec = { - /* core */ - { - (WidgetClass)SuperClass, /* superclass */ - "Command", /* class_name */ - sizeof(CommandRec), /* size */ - XawCommandClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawCommandInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawCommandRealize, /* realize */ - actionsList, /* actions */ - XtNumber(actionsList), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawCommandDestroy, /* destroy */ - XawCommandResize, /* resize */ - XawCommandRedisplay, /* expose */ - XawCommandSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - XawCommandGetValuesHook, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - ChangeSensitive, /* change_sensitive */ - }, - /* label */ - { - NULL, /* not used */ - }, - /* command */ - { - NULL, /* not used */ - }, -}; - -WidgetClass commandWidgetClass = (WidgetClass)&commandClassRec; - -/* - * Implementation - */ -static GC -Get_GC(CommandWidget cbw, Pixel fg, Pixel bg) -{ - XGCValues values; - - values.foreground = fg; - values.background = bg; - values.font = cbw->label.font->fid; - values.cap_style = CapProjecting; - - if (cbw->command.highlight_thickness > 1) - values.line_width = cbw->command.highlight_thickness; - else - values.line_width = 0; - - if (cbw->simple.international == True) - return (XtAllocateGC((Widget)cbw, 0, - GCForeground | GCBackground | GCLineWidth | - GCCapStyle, &values, GCFont, 0)); - else - return (XtGetGC((Widget)cbw, - GCForeground | GCBackground | GCFont | GCLineWidth | - GCCapStyle, &values)); -} - -/*ARGSUSED*/ -static void -XawCommandInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - CommandWidget cbw = (CommandWidget)cnew; - int shape_event_base, shape_error_base; - - if (!cbw->label.font) XtError("Aborting: no font found\n"); - - if (cbw->command.shape_style != XawShapeRectangle && - !XShapeQueryExtension(XtDisplay(cnew), &shape_event_base, - &shape_error_base)) - cbw->command.shape_style = XawShapeRectangle; - - if (cbw->command.highlight_thickness == DEFAULT_SHAPE_HIGHLIGHT) { - if (cbw->command.shape_style != XawShapeRectangle) - cbw->command.highlight_thickness = 0; - else - cbw->command.highlight_thickness = DEFAULT_HIGHLIGHT_THICKNESS; - } - - cbw->command.normal_GC = Get_GC(cbw, cbw->label.foreground, - cbw->core.background_pixel); - cbw->command.inverse_GC = Get_GC(cbw, cbw->core.background_pixel, - cbw->label.foreground); - XtReleaseGC(cnew, cbw->label.normal_GC); - cbw->label.normal_GC = cbw->command.normal_GC; - - cbw->command.set = False; - cbw->command.highlighted = HighlightNone; -} - -static Region -HighlightRegion(CommandWidget cbw) -{ - static Region outerRegion = NULL, innerRegion, emptyRegion; - XRectangle rect; - - if (cbw->command.highlight_thickness == 0 || - cbw->command.highlight_thickness > Min(XtWidth(cbw), XtHeight(cbw)) / 2) - return (NULL); - - if (outerRegion == NULL) { - /* save time by allocating scratch regions only once. */ - outerRegion = XCreateRegion(); - innerRegion = XCreateRegion(); - emptyRegion = XCreateRegion(); - } - - rect.x = rect.y = 0; - rect.width = XtWidth(cbw); - rect.height = XtHeight(cbw); - XUnionRectWithRegion(&rect, emptyRegion, outerRegion); - rect.x = rect.y = cbw->command.highlight_thickness; - rect.width -= cbw->command.highlight_thickness * 2; - rect.height -= cbw->command.highlight_thickness * 2; - XUnionRectWithRegion(&rect, emptyRegion, innerRegion); - XSubtractRegion(outerRegion, innerRegion, outerRegion); - - return (outerRegion); -} - -/*************************** -* Action Procedures -***************************/ -static void -XawCommandToggle(Widget w) -{ - CommandWidget xaw = (CommandWidget)w; - Arg args[2]; - Cardinal num_args; - - num_args = 0; - XtSetArg(args[num_args], XtNbackground, - xaw->label.foreground); ++num_args; - XtSetArg(args[num_args], XtNforeground, - xaw->core.background_pixel); ++num_args; - XtSetValues(w, args, num_args); -} - -/*ARGSUSED*/ -static void -Set(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CommandWidget cbw = (CommandWidget)w; - - if (cbw->command.set) - return; - - XawCommandToggle(w); - cbw->command.set= True; -} - -/*ARGSUSED*/ -static void -Unset(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CommandWidget cbw = (CommandWidget)w; - - if (!cbw->command.set) - return; - - cbw->command.set = False; - XawCommandToggle(w); -} - -/*ARGSUSED*/ -static void -Reset(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CommandWidget cbw = (CommandWidget)w; - - if (cbw->command.set) { - cbw->command.highlighted = HighlightNone; - Unset(w, event, params, num_params); - } - else - Unhighlight(w, event, params, num_params); -} - -/*ARGSUSED*/ -static void -Highlight(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CommandWidget cbw = (CommandWidget)w; - - if (*num_params == (Cardinal)0) - cbw->command.highlighted = HighlightWhenUnset; - else { - if (*num_params != (Cardinal)1) - XtWarning("Too many parameters passed to highlight action table."); - switch (params[0][0]) { - case 'A': - case 'a': - cbw->command.highlighted = HighlightAlways; - break; - default: - cbw->command.highlighted = HighlightWhenUnset; - break; - } - } - - if (XtIsRealized(w)) - PaintCommandWidget(w, event, HighlightRegion(cbw), True); -} - -/*ARGSUSED*/ -static void -Unhighlight(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CommandWidget cbw = (CommandWidget)w; - - cbw->command.highlighted = HighlightNone; - if (XtIsRealized(w)) - PaintCommandWidget(w, event, HighlightRegion(cbw), True); -} - -/*ARGSUSED*/ -static void -Notify(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CommandWidget cbw = (CommandWidget)w; - - /* check to be sure state is still Set so that user can cancel - the action (e.g. by moving outside the window, in the default - bindings. - */ - if (cbw->command.set) - XtCallCallbackList(w, cbw->command.callbacks, (XtPointer) NULL); -} - -static void -XawCommandRedisplay(Widget w, XEvent *event, Region region) -{ - PaintCommandWidget(w, event, region, False); -} - -/* - * Function: - * PaintCommandWidget - * Parameters: - * w - command widget - * region - region to paint (passed to the superclass) - * change - did it change either set or highlight state? - */ -static void -PaintCommandWidget(Widget w, XEvent *event, Region region, Bool change) -{ - CommandWidget cbw = (CommandWidget)w; - Bool very_thick; - GC rev_gc; - - very_thick = cbw->command.highlight_thickness - > Min(XtWidth(cbw), XtHeight(cbw)) / 2; - - if (cbw->command.highlight_thickness == 0) { - (*SuperClass->core_class.expose) (w, event, region); - return; - } - - /* - * If we are set then use the same colors as if we are not highlighted - */ - - if (cbw->command.highlighted != HighlightNone) { - rev_gc = cbw->command.normal_GC; - } - else { - rev_gc = cbw->command.inverse_GC; - } - - if (!((!change && cbw->command.highlighted == HighlightNone) - || (cbw->command.highlighted == HighlightWhenUnset - && cbw->command.set))) { - if (very_thick) - XFillRectangle(XtDisplay(w),XtWindow(w), rev_gc, - 0, 0, XtWidth(cbw), XtHeight(cbw)); - else { - /* wide lines are centered on the path, so indent it */ - if (cbw->core.background_pixmap != XtUnspecifiedPixmap && - rev_gc == cbw->command.inverse_GC) { - XClearArea(XtDisplay(w), XtWindow(w), - 0, 0, XtWidth(cbw), cbw->command.highlight_thickness, - False); - XClearArea(XtDisplay(w), XtWindow(w), - 0, cbw->command.highlight_thickness, - cbw->command.highlight_thickness, - XtHeight(cbw) - (cbw->command.highlight_thickness<<1), - False); - XClearArea(XtDisplay(w), XtWindow(w), - XtWidth(cbw) - cbw->command.highlight_thickness, - cbw->command.highlight_thickness, - cbw->command.highlight_thickness, - XtHeight(cbw) - (cbw->command.highlight_thickness<<1), - False); - XClearArea(XtDisplay(w), XtWindow(w), - 0, XtHeight(cbw) - cbw->command.highlight_thickness, - XtWidth(cbw), cbw->command.highlight_thickness, - False); - } - else { - int offset = cbw->command.highlight_thickness / 2; - - XDrawRectangle(XtDisplay(w),XtWindow(w), rev_gc, offset, offset, - XtWidth(cbw) - cbw->command.highlight_thickness, - XtHeight(cbw) - cbw->command.highlight_thickness); - } - } - } - - (*SuperClass->core_class.expose)(w, event, region); -} - -static void -XawCommandDestroy(Widget w) -{ - CommandWidget cbw = (CommandWidget)w; - - /* Label will release cbw->command.normal_GC */ - XtReleaseGC(w, cbw->command.inverse_GC); -} - -/*ARGSUSED*/ -static Boolean -XawCommandSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - CommandWidget oldcbw = (CommandWidget)current; - CommandWidget cbw = (CommandWidget)cnew; - Boolean redisplay = False; - - if (oldcbw->core.sensitive != cbw->core.sensitive && !cbw->core.sensitive) { - cbw->command.highlighted = HighlightNone; - redisplay = True; - } - - if (cbw->command.set) { - unsigned int i; - Pixel foreground, background; - - foreground = oldcbw->label.foreground; - background = oldcbw->core.background_pixel; - for (i = 0; i < *num_args; i++) { - if (STR_EQUAL(args[i].name, XtNforeground)) - background = cbw->label.foreground; - else if (STR_EQUAL(args[i].name, XtNbackground)) - foreground = cbw->core.background_pixel; - } - cbw->label.foreground = foreground; - cbw->core.background_pixel = background; - } - - if (oldcbw->label.foreground != cbw->label.foreground - || oldcbw->core.background_pixel != cbw->core.background_pixel - || oldcbw->command.highlight_thickness - != cbw->command.highlight_thickness - || oldcbw->label.font != cbw->label.font) { - XtReleaseGC(cnew, cbw->command.inverse_GC); - - cbw->command.normal_GC = Get_GC(cbw, cbw->label.foreground, - cbw->core.background_pixel); - cbw->command.inverse_GC = Get_GC(cbw, cbw->core.background_pixel, - cbw->label.foreground); - XtReleaseGC(cnew, cbw->label.normal_GC); - cbw->label.normal_GC = cbw->command.normal_GC; - - redisplay = True; - } - - if (XtIsRealized(cnew) - && oldcbw->command.shape_style != cbw->command.shape_style - && !ShapeButton(cbw, True)) - cbw->command.shape_style = oldcbw->command.shape_style; - - return (redisplay); -} - -static void -XawCommandGetValuesHook(Widget w, ArgList args, Cardinal *num_args) -{ - CommandWidget cbw = (CommandWidget)w; - unsigned int i; - - for (i = 0; i < *num_args; i++) { - if (STR_EQUAL(args[i].name, XtNforeground)) - *((String*)args[i].value) = cbw->command.set ? - (String)cbw->core.background_pixel : (String)cbw->label.foreground; - else if (STR_EQUAL(args[i].name, XtNbackground)) - *((String*)args[i].value) = cbw->command.set ? - (String)cbw->label.foreground : (String)cbw->core.background_pixel; - } -} - -static void -XawCommandClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtSetTypeConverter(XtRString, XtRShapeStyle, XmuCvtStringToShapeStyle, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRShapeStyle, XtRString, XmuCvtShapeStyleToString, - NULL, 0, XtCacheNone, NULL); -} - -static Bool -ShapeButton(CommandWidget cbw, Bool checkRectangular) -{ - Dimension corner_size = 0; - - if (cbw->command.shape_style == XawShapeRoundedRectangle) { - corner_size = XtWidth(cbw) < XtHeight(cbw) ? - XtWidth(cbw) : XtHeight(cbw); - corner_size = (corner_size * cbw->command.corner_round) / 100; - } - - if (checkRectangular || cbw->command.shape_style != XawShapeRectangle) { - if (!XmuReshapeWidget((Widget)cbw, cbw->command.shape_style, - corner_size, corner_size)) { - cbw->command.shape_style = XawShapeRectangle; - return (False); - } - } - - return (True); -} - -static void -XawCommandRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes) -{ - (*commandWidgetClass->core_class.superclass->core_class.realize) - (w, valueMask, attributes); - - ShapeButton((CommandWidget)w, False); -} - -static void -XawCommandResize(Widget w) -{ - if (XtIsRealized(w)) - ShapeButton((CommandWidget)w, False); - - (*commandWidgetClass->core_class.superclass->core_class.resize)(w); -} - -static Bool -ChangeSensitive(Widget w) -{ - CommandWidget cbw = (CommandWidget)w; - - if (XtIsRealized(w)) { - if (XtIsSensitive(w)) { - if (w->core.border_pixmap != XtUnspecifiedPixmap) - XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w), - w->core.border_pixmap); - else - XSetWindowBorder(XtDisplay(w), XtWindow(w), - w->core.border_pixel); - } - else { - if (cbw->simple.insensitive_border == None) - cbw->simple.insensitive_border = - XmuCreateStippledPixmap(XtScreen(w), - w->core.border_pixel, - cbw->command.set ? - cbw->label.foreground : - w->core.background_pixel, - w->core.depth); - XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w), - cbw->simple.insensitive_border); - } - } - - return (False); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * Command.c - Command button widget
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/extensions/shape.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/CommandP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define DEFAULT_HIGHLIGHT_THICKNESS 2
+#define DEFAULT_SHAPE_HIGHLIGHT 32767
+#define STR_EQUAL(str1, str2) (str1 == str2 || strcmp(str1, str2) == 0)
+
+/*
+ * Class Methods
+ */
+static void XawCommandClassInitialize(void);
+static void XawCommandDestroy(Widget);
+static void XawCommandInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawCommandRealize(Widget, Mask*, XSetWindowAttributes*);
+static void XawCommandResize(Widget);
+static void XawCommandRedisplay(Widget, XEvent*, Region);
+static Boolean XawCommandSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+static void XawCommandGetValuesHook(Widget, ArgList, Cardinal*);
+static Bool ChangeSensitive(Widget);
+
+/*
+ * Prototypes
+ */
+static GC Get_GC(CommandWidget, Pixel, Pixel);
+static void PaintCommandWidget(Widget, XEvent*, Region, Bool);
+static Region HighlightRegion(CommandWidget);
+static Bool ShapeButton(CommandWidget, Bool);
+static void XawCommandToggle(Widget);
+
+/*
+ * Actions
+ */
+static void Highlight(Widget, XEvent*, String*, Cardinal*);
+static void Notify(Widget, XEvent*, String*, Cardinal*);
+static void Reset(Widget, XEvent*, String*, Cardinal*);
+static void Set(Widget, XEvent*, String*, Cardinal*);
+static void Unhighlight(Widget, XEvent*, String*, Cardinal*);
+static void Unset(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+static char defaultTranslations[] =
+"<Enter>:" "highlight()\n"
+"<Leave>:" "reset()\n"
+"<Btn1Down>:" "set()\n"
+"<Btn1Up>:" "notify() unset()\n"
+;
+
+#define offset(field) XtOffsetOf(CommandRec, field)
+static XtResource resources[] = {
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(command.callbacks),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNhighlightThickness,
+ XtCThickness,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(command.highlight_thickness),
+ XtRImmediate,
+ (XtPointer)DEFAULT_SHAPE_HIGHLIGHT
+ },
+ {
+ XtNshapeStyle,
+ XtCShapeStyle,
+ XtRShapeStyle,
+ sizeof(int),
+ offset(command.shape_style),
+ XtRImmediate,
+ (XtPointer)XawShapeRectangle
+ },
+ {
+ XtNcornerRoundPercent,
+ XtCCornerRoundPercent,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(command.corner_round),
+ XtRImmediate,
+ (XtPointer)25
+ },
+};
+#undef offset
+
+static XtActionsRec actionsList[] = {
+ {"set", Set},
+ {"notify", Notify},
+ {"highlight", Highlight},
+ {"reset", Reset},
+ {"unset", Unset},
+ {"unhighlight", Unhighlight}
+};
+
+#define SuperClass ((LabelWidgetClass)&labelClassRec)
+
+CommandClassRec commandClassRec = {
+ /* core */
+ {
+ (WidgetClass)SuperClass, /* superclass */
+ "Command", /* class_name */
+ sizeof(CommandRec), /* size */
+ XawCommandClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawCommandInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawCommandRealize, /* realize */
+ actionsList, /* actions */
+ XtNumber(actionsList), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawCommandDestroy, /* destroy */
+ XawCommandResize, /* resize */
+ XawCommandRedisplay, /* expose */
+ XawCommandSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ XawCommandGetValuesHook, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ ChangeSensitive, /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* not used */
+ },
+ /* command */
+ {
+ NULL, /* not used */
+ },
+};
+
+WidgetClass commandWidgetClass = (WidgetClass)&commandClassRec;
+
+/*
+ * Implementation
+ */
+static GC
+Get_GC(CommandWidget cbw, Pixel fg, Pixel bg)
+{
+ XGCValues values;
+
+ values.foreground = fg;
+ values.background = bg;
+ values.font = cbw->label.font->fid;
+ values.cap_style = CapProjecting;
+
+ if (cbw->command.highlight_thickness > 1)
+ values.line_width = cbw->command.highlight_thickness;
+ else
+ values.line_width = 0;
+
+ if (cbw->simple.international == True)
+ return (XtAllocateGC((Widget)cbw, 0,
+ GCForeground | GCBackground | GCLineWidth |
+ GCCapStyle, &values, GCFont, 0));
+ else
+ return (XtGetGC((Widget)cbw,
+ GCForeground | GCBackground | GCFont | GCLineWidth |
+ GCCapStyle, &values));
+}
+
+/*ARGSUSED*/
+static void
+XawCommandInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ CommandWidget cbw = (CommandWidget)cnew;
+ int shape_event_base, shape_error_base;
+
+ if (!cbw->label.font) XtError("Aborting: no font found\n");
+
+ if (cbw->command.shape_style != XawShapeRectangle &&
+ !XShapeQueryExtension(XtDisplay(cnew), &shape_event_base,
+ &shape_error_base))
+ cbw->command.shape_style = XawShapeRectangle;
+
+ if (cbw->command.highlight_thickness == DEFAULT_SHAPE_HIGHLIGHT) {
+ if (cbw->command.shape_style != XawShapeRectangle)
+ cbw->command.highlight_thickness = 0;
+ else
+ cbw->command.highlight_thickness = DEFAULT_HIGHLIGHT_THICKNESS;
+ }
+
+ cbw->command.normal_GC = Get_GC(cbw, cbw->label.foreground,
+ cbw->core.background_pixel);
+ cbw->command.inverse_GC = Get_GC(cbw, cbw->core.background_pixel,
+ cbw->label.foreground);
+ XtReleaseGC(cnew, cbw->label.normal_GC);
+ cbw->label.normal_GC = cbw->command.normal_GC;
+
+ cbw->command.set = False;
+ cbw->command.highlighted = HighlightNone;
+}
+
+static Region
+HighlightRegion(CommandWidget cbw)
+{
+ static Region outerRegion = NULL, innerRegion, emptyRegion;
+ XRectangle rect;
+
+ if (cbw->command.highlight_thickness == 0 ||
+ cbw->command.highlight_thickness > Min(XtWidth(cbw), XtHeight(cbw)) / 2)
+ return (NULL);
+
+ if (outerRegion == NULL) {
+ /* save time by allocating scratch regions only once. */
+ outerRegion = XCreateRegion();
+ innerRegion = XCreateRegion();
+ emptyRegion = XCreateRegion();
+ }
+
+ rect.x = rect.y = 0;
+ rect.width = XtWidth(cbw);
+ rect.height = XtHeight(cbw);
+ XUnionRectWithRegion(&rect, emptyRegion, outerRegion);
+ rect.x = rect.y = cbw->command.highlight_thickness;
+ rect.width -= cbw->command.highlight_thickness * 2;
+ rect.height -= cbw->command.highlight_thickness * 2;
+ XUnionRectWithRegion(&rect, emptyRegion, innerRegion);
+ XSubtractRegion(outerRegion, innerRegion, outerRegion);
+
+ return (outerRegion);
+}
+
+/***************************
+* Action Procedures
+***************************/
+static void
+XawCommandToggle(Widget w)
+{
+ CommandWidget xaw = (CommandWidget)w;
+ Arg args[2];
+ Cardinal num_args;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNbackground,
+ xaw->label.foreground); ++num_args;
+ XtSetArg(args[num_args], XtNforeground,
+ xaw->core.background_pixel); ++num_args;
+ XtSetValues(w, args, num_args);
+}
+
+/*ARGSUSED*/
+static void
+Set(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ if (cbw->command.set)
+ return;
+
+ XawCommandToggle(w);
+ cbw->command.set= True;
+}
+
+/*ARGSUSED*/
+static void
+Unset(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ if (!cbw->command.set)
+ return;
+
+ cbw->command.set = False;
+ XawCommandToggle(w);
+}
+
+/*ARGSUSED*/
+static void
+Reset(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ if (cbw->command.set) {
+ cbw->command.highlighted = HighlightNone;
+ Unset(w, event, params, num_params);
+ }
+ else
+ Unhighlight(w, event, params, num_params);
+}
+
+/*ARGSUSED*/
+static void
+Highlight(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ if (*num_params == (Cardinal)0)
+ cbw->command.highlighted = HighlightWhenUnset;
+ else {
+ if (*num_params != (Cardinal)1)
+ XtWarning("Too many parameters passed to highlight action table.");
+ switch (params[0][0]) {
+ case 'A':
+ case 'a':
+ cbw->command.highlighted = HighlightAlways;
+ break;
+ default:
+ cbw->command.highlighted = HighlightWhenUnset;
+ break;
+ }
+ }
+
+ if (XtIsRealized(w))
+ PaintCommandWidget(w, event, HighlightRegion(cbw), True);
+}
+
+/*ARGSUSED*/
+static void
+Unhighlight(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ cbw->command.highlighted = HighlightNone;
+ if (XtIsRealized(w))
+ PaintCommandWidget(w, event, HighlightRegion(cbw), True);
+}
+
+/*ARGSUSED*/
+static void
+Notify(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ /* check to be sure state is still Set so that user can cancel
+ the action (e.g. by moving outside the window, in the default
+ bindings.
+ */
+ if (cbw->command.set)
+ XtCallCallbackList(w, cbw->command.callbacks, (XtPointer) NULL);
+}
+
+static void
+XawCommandRedisplay(Widget w, XEvent *event, Region region)
+{
+ PaintCommandWidget(w, event, region, False);
+}
+
+/*
+ * Function:
+ * PaintCommandWidget
+ * Parameters:
+ * w - command widget
+ * region - region to paint (passed to the superclass)
+ * change - did it change either set or highlight state?
+ */
+static void
+PaintCommandWidget(Widget w, XEvent *event, Region region, Bool change)
+{
+ CommandWidget cbw = (CommandWidget)w;
+ Bool very_thick;
+ GC rev_gc;
+
+ very_thick = cbw->command.highlight_thickness
+ > Min(XtWidth(cbw), XtHeight(cbw)) / 2;
+
+ if (cbw->command.highlight_thickness == 0) {
+ (*SuperClass->core_class.expose) (w, event, region);
+ return;
+ }
+
+ /*
+ * If we are set then use the same colors as if we are not highlighted
+ */
+
+ if (cbw->command.highlighted != HighlightNone) {
+ rev_gc = cbw->command.normal_GC;
+ }
+ else {
+ rev_gc = cbw->command.inverse_GC;
+ }
+
+ if (!((!change && cbw->command.highlighted == HighlightNone)
+ || (cbw->command.highlighted == HighlightWhenUnset
+ && cbw->command.set))) {
+ if (very_thick)
+ XFillRectangle(XtDisplay(w),XtWindow(w), rev_gc,
+ 0, 0, XtWidth(cbw), XtHeight(cbw));
+ else {
+ /* wide lines are centered on the path, so indent it */
+ if (cbw->core.background_pixmap != XtUnspecifiedPixmap &&
+ rev_gc == cbw->command.inverse_GC) {
+ XClearArea(XtDisplay(w), XtWindow(w),
+ 0, 0, XtWidth(cbw), cbw->command.highlight_thickness,
+ False);
+ XClearArea(XtDisplay(w), XtWindow(w),
+ 0, cbw->command.highlight_thickness,
+ cbw->command.highlight_thickness,
+ XtHeight(cbw) - (cbw->command.highlight_thickness<<1),
+ False);
+ XClearArea(XtDisplay(w), XtWindow(w),
+ XtWidth(cbw) - cbw->command.highlight_thickness,
+ cbw->command.highlight_thickness,
+ cbw->command.highlight_thickness,
+ XtHeight(cbw) - (cbw->command.highlight_thickness<<1),
+ False);
+ XClearArea(XtDisplay(w), XtWindow(w),
+ 0, XtHeight(cbw) - cbw->command.highlight_thickness,
+ XtWidth(cbw), cbw->command.highlight_thickness,
+ False);
+ }
+ else {
+ int offset = cbw->command.highlight_thickness / 2;
+
+ XDrawRectangle(XtDisplay(w),XtWindow(w), rev_gc, offset, offset,
+ XtWidth(cbw) - cbw->command.highlight_thickness,
+ XtHeight(cbw) - cbw->command.highlight_thickness);
+ }
+ }
+ }
+
+ (*SuperClass->core_class.expose)(w, event, region);
+}
+
+static void
+XawCommandDestroy(Widget w)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ /* Label will release cbw->command.normal_GC */
+ XtReleaseGC(w, cbw->command.inverse_GC);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawCommandSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ CommandWidget oldcbw = (CommandWidget)current;
+ CommandWidget cbw = (CommandWidget)cnew;
+ Boolean redisplay = False;
+
+ if (oldcbw->core.sensitive != cbw->core.sensitive && !cbw->core.sensitive) {
+ cbw->command.highlighted = HighlightNone;
+ redisplay = True;
+ }
+
+ if (cbw->command.set) {
+ unsigned int i;
+ Pixel foreground, background;
+
+ foreground = oldcbw->label.foreground;
+ background = oldcbw->core.background_pixel;
+ for (i = 0; i < *num_args; i++) {
+ if (STR_EQUAL(args[i].name, XtNforeground))
+ background = cbw->label.foreground;
+ else if (STR_EQUAL(args[i].name, XtNbackground))
+ foreground = cbw->core.background_pixel;
+ }
+ cbw->label.foreground = foreground;
+ cbw->core.background_pixel = background;
+ }
+
+ if (oldcbw->label.foreground != cbw->label.foreground
+ || oldcbw->core.background_pixel != cbw->core.background_pixel
+ || oldcbw->command.highlight_thickness
+ != cbw->command.highlight_thickness
+ || oldcbw->label.font != cbw->label.font) {
+ XtReleaseGC(cnew, cbw->command.inverse_GC);
+
+ cbw->command.normal_GC = Get_GC(cbw, cbw->label.foreground,
+ cbw->core.background_pixel);
+ cbw->command.inverse_GC = Get_GC(cbw, cbw->core.background_pixel,
+ cbw->label.foreground);
+ XtReleaseGC(cnew, cbw->label.normal_GC);
+ cbw->label.normal_GC = cbw->command.normal_GC;
+
+ redisplay = True;
+ }
+
+ if (XtIsRealized(cnew)
+ && oldcbw->command.shape_style != cbw->command.shape_style
+ && !ShapeButton(cbw, True))
+ cbw->command.shape_style = oldcbw->command.shape_style;
+
+ return (redisplay);
+}
+
+static void
+XawCommandGetValuesHook(Widget w, ArgList args, Cardinal *num_args)
+{
+ CommandWidget cbw = (CommandWidget)w;
+ unsigned int i;
+
+ for (i = 0; i < *num_args; i++) {
+ if (STR_EQUAL(args[i].name, XtNforeground))
+ *((String*)args[i].value) = cbw->command.set ?
+ (String)cbw->core.background_pixel : (String)cbw->label.foreground;
+ else if (STR_EQUAL(args[i].name, XtNbackground))
+ *((String*)args[i].value) = cbw->command.set ?
+ (String)cbw->label.foreground : (String)cbw->core.background_pixel;
+ }
+}
+
+static void
+XawCommandClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtSetTypeConverter(XtRString, XtRShapeStyle, XmuCvtStringToShapeStyle,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRShapeStyle, XtRString, XmuCvtShapeStyleToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+static Bool
+ShapeButton(CommandWidget cbw, Bool checkRectangular)
+{
+ Dimension corner_size = 0;
+
+ if (cbw->command.shape_style == XawShapeRoundedRectangle) {
+ corner_size = XtWidth(cbw) < XtHeight(cbw) ?
+ XtWidth(cbw) : XtHeight(cbw);
+ corner_size = (corner_size * cbw->command.corner_round) / 100;
+ }
+
+ if (checkRectangular || cbw->command.shape_style != XawShapeRectangle) {
+ if (!XmuReshapeWidget((Widget)cbw, cbw->command.shape_style,
+ corner_size, corner_size)) {
+ cbw->command.shape_style = XawShapeRectangle;
+ return (False);
+ }
+ }
+
+ return (True);
+}
+
+static void
+XawCommandRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
+{
+ (*commandWidgetClass->core_class.superclass->core_class.realize)
+ (w, valueMask, attributes);
+
+ ShapeButton((CommandWidget)w, False);
+}
+
+static void
+XawCommandResize(Widget w)
+{
+ if (XtIsRealized(w))
+ ShapeButton((CommandWidget)w, False);
+
+ (*commandWidgetClass->core_class.superclass->core_class.resize)(w);
+}
+
+static Bool
+ChangeSensitive(Widget w)
+{
+ CommandWidget cbw = (CommandWidget)w;
+
+ if (XtIsRealized(w)) {
+ if (XtIsSensitive(w)) {
+ if (w->core.border_pixmap != XtUnspecifiedPixmap)
+ XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w),
+ w->core.border_pixmap);
+ else
+ XSetWindowBorder(XtDisplay(w), XtWindow(w),
+ w->core.border_pixel);
+ }
+ else {
+ if (cbw->simple.insensitive_border == None)
+ cbw->simple.insensitive_border =
+ XmuCreateStippledPixmap(XtScreen(w),
+ w->core.border_pixel,
+ cbw->command.set ?
+ cbw->label.foreground :
+ w->core.background_pixel,
+ w->core.depth);
+ XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w),
+ cbw->simple.insensitive_border);
+ }
+ }
+
+ return (False);
+}
diff --git a/libXaw/src/Converters.c b/libXaw/src/Converters.c index 08b18c4da..5fcda7c3b 100644 --- a/libXaw/src/Converters.c +++ b/libXaw/src/Converters.c @@ -1,699 +1,699 @@ -/* - * Copyright (c) 1998 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/Simple.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#ifndef OLDXAW - -/* - * Definitions - */ -#define done(type, value) \ -{ \ - if (toVal->addr != NULL) \ - { \ - if (toVal->size < sizeof(type)) \ - { \ - toVal->size = sizeof(type); \ - return (False); \ - } \ - *(type *)(toVal->addr) = (value); \ - } \ - else \ - { \ - static type static_val; \ - \ - static_val = (value); \ - toVal->addr = (XPointer)&static_val; \ - } \ - toVal->size = sizeof(type); \ - return (True); \ -} - -#define string_done(value) \ -{ \ - if (toVal->addr != NULL) \ - { \ - if (toVal->size < size) \ - { \ - toVal->size = size; \ - return (False); \ - } \ - strcpy((char *)toVal->addr, (value)); \ - } \ - else \ - toVal->addr = (XPointer)(value); \ - toVal->size = size; \ - return (True); \ -} - -/* - * Prototypes - */ -static Boolean _XawCvtAtomToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtBooleanToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtBoolToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtCARD32ToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtCardinalToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtDimensionToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtDisplayListToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtFontStructToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtIntToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtPixelToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtPixmapToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtShortToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtPositionToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtStringToDisplayList(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtStringToPixmap(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean _XawCvtUnsignedCharToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static void TypeToStringNoArgsWarning(Display*, String); - -/* - * Initialization - */ -static XtConvertArgRec PixelArgs[] = { - {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.colormap), - sizeof(Colormap)}, -}; - -static XtConvertArgRec DLArgs[] = { - {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.screen), - sizeof(Screen *)}, - {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.colormap), - sizeof(Colormap)}, - {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.depth), - sizeof(int)}, -}; -#endif /* OLDXAW */ - -static String XtCToolkitError = "ToolkitError"; -static String XtNconversionError = "conversionError"; - -#ifndef OLDXAW -static String XtNwrongParameters = "wrongParameters"; - -/* - * Implementation - */ -void -XawInitializeDefaultConverters(void) -{ - static Boolean first_time = True; - - if (first_time == False) - return; - - first_time = False; - - /* Replace with more apropriate converters */ - XtSetTypeConverter(XtRCallback, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRColormap, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRFunction, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRPointer, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRScreen, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRStringArray, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRVisual, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRWidget, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRWidgetList, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRWindow, XtRString, _XawCvtCARD32ToString, - NULL, 0, XtCacheNone, NULL); - - XtSetTypeConverter(XtRAtom, XtRString, _XawCvtAtomToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRBool, XtRString, _XawCvtBoolToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRBoolean, XtRString, _XawCvtBooleanToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRCardinal, XtRString, _XawCvtCardinalToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRDimension, XtRString, _XawCvtDimensionToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XawRDisplayList, XtRString, _XawCvtDisplayListToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRFontStruct, XtRString, _XawCvtFontStructToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRInt, XtRString, _XawCvtIntToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRPixel, XtRString, _XawCvtPixelToString, - &PixelArgs[0], XtNumber(PixelArgs), XtCacheNone, NULL); - XtSetTypeConverter(XtRPixmap, XtRString, _XawCvtPixmapToString, - &DLArgs[0], XtNumber(DLArgs), XtCacheNone, NULL); - XtSetTypeConverter(XtRPosition, XtRString, _XawCvtPositionToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRShort, XtRString, _XawCvtShortToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRString, XawRDisplayList, _XawCvtStringToDisplayList, - &DLArgs[0], XtNumber(DLArgs), XtCacheAll, NULL); - XtSetTypeConverter(XtRString, XtRPixmap, _XawCvtStringToPixmap, - &DLArgs[0], XtNumber(DLArgs), XtCacheAll, NULL); - XtSetTypeConverter(XtRUnsignedChar, XtRString, _XawCvtUnsignedCharToString, - NULL, 0, XtCacheNone, NULL); -} -#endif /* OLDXAW */ - -void -XawTypeToStringWarning(Display *dpy, String type) -{ - char fname[64]; - String params[1]; - Cardinal num_params; - - XmuSnprintf(fname, sizeof(fname), "cvt%sToString", type); - - params[0] = type; - num_params = 1; - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - XtNconversionError, fname, XtCToolkitError, - "Cannot convert %s to String", - params, &num_params); -} - -#ifndef OLDXAW -static void -TypeToStringNoArgsWarning(Display *dpy, String type) -{ - char fname[64]; - String params[1]; - Cardinal num_params; - - XmuSnprintf(fname, sizeof(fname), "cvt%sToString", type); - - params[0] = type; - num_params = 1; - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - XtNconversionError, fname, - XtCToolkitError, - "%s to String conversion needs no extra arguments", - params, &num_params); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtBooleanToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[6]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRBoolean); - - XmuSnprintf(buffer, sizeof(buffer), "%s", - *(Boolean *)fromVal->addr ? XtEtrue : XtEfalse); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtBoolToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[6]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRBool); - - XmuSnprintf(buffer, sizeof(buffer), "%s", - *(Bool *)fromVal->addr ? XtEtrue : XtEfalse); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtPositionToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[7]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRPosition); - - XmuSnprintf(buffer, sizeof(buffer), "%d", *(Position *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtShortToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[7]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRShort); - - XmuSnprintf(buffer, sizeof(buffer), "%d", *(short *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtDimensionToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[6]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRDimension); - - XmuSnprintf(buffer, sizeof(buffer), "%u", *(Dimension *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtCARD32ToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[11]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, "CARD32"); - - XmuSnprintf(buffer, sizeof(buffer), "0x%08hx", *(int *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtIntToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[12]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRInt); - - XmuSnprintf(buffer, sizeof(buffer), "%d", *(int *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtCardinalToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[11]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRCardinal); - - XmuSnprintf(buffer, sizeof(buffer), "%u", *(Cardinal *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtAtomToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char *buffer = NULL; - static char *nullatom = "NULL"; - Cardinal size; - Atom atom; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRAtom); - - if (buffer && buffer != nullatom) - XFree(buffer); - - atom = *(Atom *)fromVal[0].addr; - if (atom == 0) - buffer = nullatom; - else if ((buffer = XGetAtomName(dpy, *(Atom *)fromVal[0].addr)) == NULL) - { - XawTypeToStringWarning(dpy, XtRAtom); - toVal->addr = NULL; - toVal->size = sizeof(String); - return (False); - } - - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtPixelToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[19]; - Cardinal size; - Colormap colormap; - XColor color; - - if (*num_args != 1) - { - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - XtNwrongParameters, "cvtPixelToString", - XtCToolkitError, - "Pixel to String conversion needs colormap argument", - NULL, NULL); - return (False); - } - - colormap = *(Colormap *)args[0].addr; - color.pixel = *(Pixel *)fromVal->addr; - - /* Note: - * If we know the visual type, we can calculate the xcolor - * without asking Xlib. - */ - XQueryColor(dpy, colormap, &color); - XmuSnprintf(buffer, sizeof(buffer), "rgb:%04hx/%04hx/%04hx", - color.red, color.green, color.blue); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtFontStructToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[128]; - Cardinal size; - Atom atom; - unsigned long value; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRFontStruct); - - if ((atom = XInternAtom(dpy, "FONT", True)) == None) - return (False); - - size = 0; - - if (XGetFontProperty(*(XFontStruct **)fromVal->addr, atom, &value)) - { - char *tmp = XGetAtomName(dpy, value); - - if (tmp) - { - XmuSnprintf(buffer, sizeof(buffer), "%s", tmp); - size = strlen(tmp); - XFree(tmp); - } - } - - if (size) - { - ++size; - string_done(buffer); - } - - XawTypeToStringWarning(dpy, XtRFontStruct); - - return (False); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtUnsignedCharToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char buffer[4]; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XtRUnsignedChar); - - XmuSnprintf(buffer, sizeof(buffer), "%u", - *(unsigned char *)fromVal->addr); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtStringToDisplayList(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - XawDisplayList *dlist; - Screen *screen; - Colormap colormap; - int depth; - String commands; - - if (*num_args != 3) - { - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - XtNwrongParameters, "cvtStringToDisplayList", - XtCToolkitError, - "String to DisplayList conversion needs screen, " - "colormap, and depth arguments", - NULL, NULL); - return (False); - } - - screen = *(Screen **)args[0].addr; - colormap = *(Colormap *)args[1].addr; - depth = *(int *)args[2].addr; - - commands = (String)(fromVal[0].addr); - - dlist = XawCreateDisplayList(commands, screen, colormap, depth); - - if (!dlist) - { - XtDisplayStringConversionWarning(dpy, (String)fromVal->addr, - XawRDisplayList); - toVal->addr = NULL; - toVal->size = sizeof(XawDisplayList*); - return (False); - } - - done(XawDisplayList*, dlist); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtDisplayListToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - String buffer; - Cardinal size; - - if (*num_args != 0) - TypeToStringNoArgsWarning(dpy, XawRDisplayList); - - buffer = XawDisplayListString(*(XawDisplayList **)(fromVal[0].addr)); - size = strlen(buffer) + 1; - - string_done(buffer); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtStringToPixmap(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - XawPixmap *xaw_pixmap; - Pixmap pixmap; - Screen *screen; - Colormap colormap; - int depth; - String name; - - if (*num_args != 3) - { - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - XtNwrongParameters, "cvtStringToPixmap", - XtCToolkitError, - "String to Pixmap conversion needs screen, " - "colormap, and depth arguments", - NULL, NULL); - return (False); - } - - screen = *(Screen **)args[0].addr; - colormap = *(Colormap *)args[1].addr; - depth = *(int *)args[2].addr; - - name = (String)(fromVal[0].addr); - - if (XmuCompareISOLatin1(name, "None") == 0) - pixmap = None; - else if (XmuCompareISOLatin1(name, "ParentRelative") == 0) - pixmap = ParentRelative; - else if (XmuCompareISOLatin1(name, "XtUnspecifiedPixmap") == 0) - pixmap = XtUnspecifiedPixmap; - else - { - xaw_pixmap = XawLoadPixmap(name, screen, colormap, depth); - if (!xaw_pixmap) - { - XtDisplayStringConversionWarning(dpy, (String)fromVal->addr, - XtRPixmap); - toVal->addr = (XtPointer)XtUnspecifiedPixmap; - toVal->size = sizeof(Pixmap); - return (False); - } - else - pixmap = xaw_pixmap->pixmap; - } - - done(Pixmap, pixmap); -} - -/*ARGSUSED*/ -static Boolean -_XawCvtPixmapToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - XawPixmap *xaw_pixmap; - Pixmap pixmap; - Screen *screen; - Colormap colormap; - int depth; - String buffer = NULL; - Cardinal size; - - if (*num_args != 3) - { - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - XtNwrongParameters, "cvtPixmapToString", - XtCToolkitError, - "Pixmap to String conversion needs screen, " - "colormap, and depth arguments", - NULL, NULL); - return (False); - } - - screen = *(Screen **)args[0].addr; - colormap = *(Colormap *)args[1].addr; - depth = *(int *)args[2].addr; - - pixmap = *(Pixmap *)(fromVal[0].addr); - - switch (pixmap) - { - case None: - buffer = "None"; - break; - case ParentRelative: - buffer = "ParentRelative"; - break; - case XtUnspecifiedPixmap: - buffer = "XtUnspecifiedPixmap"; - break; - default: - xaw_pixmap = XawPixmapFromXPixmap(pixmap, screen, colormap, depth); - if (xaw_pixmap) - buffer = xaw_pixmap->name; - break; - } - - if (!buffer) - /* Bad Pixmap or Pixmap was not loaded by XawLoadPixmap() */ - return (_XawCvtCARD32ToString(dpy, args, num_args, fromVal, toVal, - converter_data)); - - size = strlen(buffer) + 1; - - string_done(buffer); -} - -#endif /* OLDXAW */ +/*
+ * Copyright (c) 1998 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/Simple.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#ifndef OLDXAW
+
+/*
+ * Definitions
+ */
+#define done(type, value) \
+{ \
+ if (toVal->addr != NULL) \
+ { \
+ if (toVal->size < sizeof(type)) \
+ { \
+ toVal->size = sizeof(type); \
+ return (False); \
+ } \
+ *(type *)(toVal->addr) = (value); \
+ } \
+ else \
+ { \
+ static type static_val; \
+ \
+ static_val = (value); \
+ toVal->addr = (XPointer)&static_val; \
+ } \
+ toVal->size = sizeof(type); \
+ return (True); \
+}
+
+#define string_done(value) \
+{ \
+ if (toVal->addr != NULL) \
+ { \
+ if (toVal->size < size) \
+ { \
+ toVal->size = size; \
+ return (False); \
+ } \
+ strcpy((char *)toVal->addr, (value)); \
+ } \
+ else \
+ toVal->addr = (XPointer)(value); \
+ toVal->size = size; \
+ return (True); \
+}
+
+/*
+ * Prototypes
+ */
+static Boolean _XawCvtAtomToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtBooleanToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtBoolToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtCARD32ToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtCardinalToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtDimensionToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtDisplayListToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtFontStructToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtIntToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtPixelToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtPixmapToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtShortToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtPositionToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtStringToDisplayList(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtStringToPixmap(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean _XawCvtUnsignedCharToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static void TypeToStringNoArgsWarning(Display*, String);
+
+/*
+ * Initialization
+ */
+static XtConvertArgRec PixelArgs[] = {
+ {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.colormap),
+ sizeof(Colormap)},
+};
+
+static XtConvertArgRec DLArgs[] = {
+ {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.screen),
+ sizeof(Screen *)},
+ {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.colormap),
+ sizeof(Colormap)},
+ {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.depth),
+ sizeof(int)},
+};
+#endif /* OLDXAW */
+
+static String XtCToolkitError = "ToolkitError";
+static String XtNconversionError = "conversionError";
+
+#ifndef OLDXAW
+static String XtNwrongParameters = "wrongParameters";
+
+/*
+ * Implementation
+ */
+void
+XawInitializeDefaultConverters(void)
+{
+ static Boolean first_time = True;
+
+ if (first_time == False)
+ return;
+
+ first_time = False;
+
+ /* Replace with more apropriate converters */
+ XtSetTypeConverter(XtRCallback, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRColormap, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRFunction, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRPointer, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRScreen, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRStringArray, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRVisual, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRWidget, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRWidgetList, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRWindow, XtRString, _XawCvtCARD32ToString,
+ NULL, 0, XtCacheNone, NULL);
+
+ XtSetTypeConverter(XtRAtom, XtRString, _XawCvtAtomToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRBool, XtRString, _XawCvtBoolToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRBoolean, XtRString, _XawCvtBooleanToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRCardinal, XtRString, _XawCvtCardinalToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRDimension, XtRString, _XawCvtDimensionToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XawRDisplayList, XtRString, _XawCvtDisplayListToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRFontStruct, XtRString, _XawCvtFontStructToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRInt, XtRString, _XawCvtIntToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRPixel, XtRString, _XawCvtPixelToString,
+ &PixelArgs[0], XtNumber(PixelArgs), XtCacheNone, NULL);
+ XtSetTypeConverter(XtRPixmap, XtRString, _XawCvtPixmapToString,
+ &DLArgs[0], XtNumber(DLArgs), XtCacheNone, NULL);
+ XtSetTypeConverter(XtRPosition, XtRString, _XawCvtPositionToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRShort, XtRString, _XawCvtShortToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRString, XawRDisplayList, _XawCvtStringToDisplayList,
+ &DLArgs[0], XtNumber(DLArgs), XtCacheAll, NULL);
+ XtSetTypeConverter(XtRString, XtRPixmap, _XawCvtStringToPixmap,
+ &DLArgs[0], XtNumber(DLArgs), XtCacheAll, NULL);
+ XtSetTypeConverter(XtRUnsignedChar, XtRString, _XawCvtUnsignedCharToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+#endif /* OLDXAW */
+
+void
+XawTypeToStringWarning(Display *dpy, String type)
+{
+ char fname[64];
+ String params[1];
+ Cardinal num_params;
+
+ XmuSnprintf(fname, sizeof(fname), "cvt%sToString", type);
+
+ params[0] = type;
+ num_params = 1;
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ XtNconversionError, fname, XtCToolkitError,
+ "Cannot convert %s to String",
+ params, &num_params);
+}
+
+#ifndef OLDXAW
+static void
+TypeToStringNoArgsWarning(Display *dpy, String type)
+{
+ char fname[64];
+ String params[1];
+ Cardinal num_params;
+
+ XmuSnprintf(fname, sizeof(fname), "cvt%sToString", type);
+
+ params[0] = type;
+ num_params = 1;
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ XtNconversionError, fname,
+ XtCToolkitError,
+ "%s to String conversion needs no extra arguments",
+ params, &num_params);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtBooleanToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[6];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRBoolean);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%s",
+ *(Boolean *)fromVal->addr ? XtEtrue : XtEfalse);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtBoolToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[6];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRBool);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%s",
+ *(Bool *)fromVal->addr ? XtEtrue : XtEfalse);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtPositionToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[7];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRPosition);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%d", *(Position *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtShortToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[7];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRShort);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%d", *(short *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtDimensionToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[6];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRDimension);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%u", *(Dimension *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtCARD32ToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[11];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, "CARD32");
+
+ XmuSnprintf(buffer, sizeof(buffer), "0x%08hx", *(int *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtIntToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[12];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRInt);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%d", *(int *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtCardinalToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[11];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRCardinal);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%u", *(Cardinal *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtAtomToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char *buffer = NULL;
+ static char *nullatom = "NULL";
+ Cardinal size;
+ Atom atom;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRAtom);
+
+ if (buffer && buffer != nullatom)
+ XFree(buffer);
+
+ atom = *(Atom *)fromVal[0].addr;
+ if (atom == 0)
+ buffer = nullatom;
+ else if ((buffer = XGetAtomName(dpy, *(Atom *)fromVal[0].addr)) == NULL)
+ {
+ XawTypeToStringWarning(dpy, XtRAtom);
+ toVal->addr = NULL;
+ toVal->size = sizeof(String);
+ return (False);
+ }
+
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtPixelToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[19];
+ Cardinal size;
+ Colormap colormap;
+ XColor color;
+
+ if (*num_args != 1)
+ {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ XtNwrongParameters, "cvtPixelToString",
+ XtCToolkitError,
+ "Pixel to String conversion needs colormap argument",
+ NULL, NULL);
+ return (False);
+ }
+
+ colormap = *(Colormap *)args[0].addr;
+ color.pixel = *(Pixel *)fromVal->addr;
+
+ /* Note:
+ * If we know the visual type, we can calculate the xcolor
+ * without asking Xlib.
+ */
+ XQueryColor(dpy, colormap, &color);
+ XmuSnprintf(buffer, sizeof(buffer), "rgb:%04hx/%04hx/%04hx",
+ color.red, color.green, color.blue);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtFontStructToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[128];
+ Cardinal size;
+ Atom atom;
+ unsigned long value;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRFontStruct);
+
+ if ((atom = XInternAtom(dpy, "FONT", True)) == None)
+ return (False);
+
+ size = 0;
+
+ if (XGetFontProperty(*(XFontStruct **)fromVal->addr, atom, &value))
+ {
+ char *tmp = XGetAtomName(dpy, value);
+
+ if (tmp)
+ {
+ XmuSnprintf(buffer, sizeof(buffer), "%s", tmp);
+ size = strlen(tmp);
+ XFree(tmp);
+ }
+ }
+
+ if (size)
+ {
+ ++size;
+ string_done(buffer);
+ }
+
+ XawTypeToStringWarning(dpy, XtRFontStruct);
+
+ return (False);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtUnsignedCharToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char buffer[4];
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XtRUnsignedChar);
+
+ XmuSnprintf(buffer, sizeof(buffer), "%u",
+ *(unsigned char *)fromVal->addr);
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtStringToDisplayList(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ XawDisplayList *dlist;
+ Screen *screen;
+ Colormap colormap;
+ int depth;
+ String commands;
+
+ if (*num_args != 3)
+ {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ XtNwrongParameters, "cvtStringToDisplayList",
+ XtCToolkitError,
+ "String to DisplayList conversion needs screen, "
+ "colormap, and depth arguments",
+ NULL, NULL);
+ return (False);
+ }
+
+ screen = *(Screen **)args[0].addr;
+ colormap = *(Colormap *)args[1].addr;
+ depth = *(int *)args[2].addr;
+
+ commands = (String)(fromVal[0].addr);
+
+ dlist = XawCreateDisplayList(commands, screen, colormap, depth);
+
+ if (!dlist)
+ {
+ XtDisplayStringConversionWarning(dpy, (String)fromVal->addr,
+ XawRDisplayList);
+ toVal->addr = NULL;
+ toVal->size = sizeof(XawDisplayList*);
+ return (False);
+ }
+
+ done(XawDisplayList*, dlist);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtDisplayListToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ String buffer;
+ Cardinal size;
+
+ if (*num_args != 0)
+ TypeToStringNoArgsWarning(dpy, XawRDisplayList);
+
+ buffer = XawDisplayListString(*(XawDisplayList **)(fromVal[0].addr));
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtStringToPixmap(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ XawPixmap *xaw_pixmap;
+ Pixmap pixmap;
+ Screen *screen;
+ Colormap colormap;
+ int depth;
+ String name;
+
+ if (*num_args != 3)
+ {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ XtNwrongParameters, "cvtStringToPixmap",
+ XtCToolkitError,
+ "String to Pixmap conversion needs screen, "
+ "colormap, and depth arguments",
+ NULL, NULL);
+ return (False);
+ }
+
+ screen = *(Screen **)args[0].addr;
+ colormap = *(Colormap *)args[1].addr;
+ depth = *(int *)args[2].addr;
+
+ name = (String)(fromVal[0].addr);
+
+ if (XmuCompareISOLatin1(name, "None") == 0)
+ pixmap = None;
+ else if (XmuCompareISOLatin1(name, "ParentRelative") == 0)
+ pixmap = ParentRelative;
+ else if (XmuCompareISOLatin1(name, "XtUnspecifiedPixmap") == 0)
+ pixmap = XtUnspecifiedPixmap;
+ else
+ {
+ xaw_pixmap = XawLoadPixmap(name, screen, colormap, depth);
+ if (!xaw_pixmap)
+ {
+ XtDisplayStringConversionWarning(dpy, (String)fromVal->addr,
+ XtRPixmap);
+ toVal->addr = (XtPointer)XtUnspecifiedPixmap;
+ toVal->size = sizeof(Pixmap);
+ return (False);
+ }
+ else
+ pixmap = xaw_pixmap->pixmap;
+ }
+
+ done(Pixmap, pixmap);
+}
+
+/*ARGSUSED*/
+static Boolean
+_XawCvtPixmapToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ XawPixmap *xaw_pixmap;
+ Pixmap pixmap;
+ Screen *screen;
+ Colormap colormap;
+ int depth;
+ String buffer = NULL;
+ Cardinal size;
+
+ if (*num_args != 3)
+ {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ XtNwrongParameters, "cvtPixmapToString",
+ XtCToolkitError,
+ "Pixmap to String conversion needs screen, "
+ "colormap, and depth arguments",
+ NULL, NULL);
+ return (False);
+ }
+
+ screen = *(Screen **)args[0].addr;
+ colormap = *(Colormap *)args[1].addr;
+ depth = *(int *)args[2].addr;
+
+ pixmap = *(Pixmap *)(fromVal[0].addr);
+
+ switch (pixmap)
+ {
+ case None:
+ buffer = "None";
+ break;
+ case ParentRelative:
+ buffer = "ParentRelative";
+ break;
+ case XtUnspecifiedPixmap:
+ buffer = "XtUnspecifiedPixmap";
+ break;
+ default:
+ xaw_pixmap = XawPixmapFromXPixmap(pixmap, screen, colormap, depth);
+ if (xaw_pixmap)
+ buffer = xaw_pixmap->name;
+ break;
+ }
+
+ if (!buffer)
+ /* Bad Pixmap or Pixmap was not loaded by XawLoadPixmap() */
+ return (_XawCvtCARD32ToString(dpy, args, num_args, fromVal, toVal,
+ converter_data));
+
+ size = strlen(buffer) + 1;
+
+ string_done(buffer);
+}
+
+#endif /* OLDXAW */
diff --git a/libXaw/src/Dialog.c b/libXaw/src/Dialog.c index 7accb8caa..7bb232b12 100644 --- a/libXaw/src/Dialog.c +++ b/libXaw/src/Dialog.c @@ -1,460 +1,460 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/AsciiText.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/Command.h> -#include <X11/Xaw/Label.h> -#include <X11/Xaw/DialogP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * After we have set the string in the value widget we set the - * string to a magic value. So that when a SetValues request is made - * on the dialog value we will notice it, and reset the string - */ -#define MAGIC_VALUE ((char *)3) - -#define streq(a,b) (strcmp((a), (b)) == 0) - -/* - * Class Methods - */ -static void XawDialogConstraintInitialize(Widget, Widget, - ArgList, Cardinal*); -static void XawDialogGetValuesHook(Widget, ArgList, Cardinal*); -static void XawDialogInitialize(Widget, Widget, ArgList, Cardinal*); -static Boolean XawDialogSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void CreateDialogValueWidget(Widget); - -/* - * Initialization - */ -static XtResource resources[] = { - { - XtNlabel, - XtCLabel, - XtRString, - sizeof(String), - XtOffsetOf(DialogRec, dialog.label), - XtRString, - NULL - }, - { - XtNvalue, - XtCValue, - XtRString, - sizeof(String), - XtOffsetOf(DialogRec, dialog.value), - XtRString, - NULL - }, - { - XtNicon, - XtCIcon, - XtRBitmap, - sizeof(Pixmap), - XtOffsetOf(DialogRec, dialog.icon), - XtRImmediate, - NULL - }, -}; - -DialogClassRec dialogClassRec = { - /* core */ - { - (WidgetClass)&formClassRec, /* superclass */ - "Dialog", /* class_name */ - sizeof(DialogRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part init */ - False, /* class_inited */ - XawDialogInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - XawDialogSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - XawDialogGetValuesHook, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XtInheritGeometryManager, /* geometry_manager */ - XtInheritChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - /* constraint */ - { - NULL, /* subresourses */ - 0, /* subresource_count */ - sizeof(DialogConstraintsRec), /* constraint_size */ - XawDialogConstraintInitialize, /* initialize */ - NULL, /* destroy */ - NULL, /* set_values */ - NULL, /* extension */ - }, - /* form */ - { - XtInheritLayout, /* layout */ - }, - /* dialog */ - { - NULL, /* extension */ - } -}; - -WidgetClass dialogWidgetClass = (WidgetClass)&dialogClassRec; - -/* - * Implementation - */ -/*ARGSUSED*/ -static void -XawDialogInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - DialogWidget dw = (DialogWidget)cnew; - Arg arglist[9]; - Cardinal arg_cnt = 0; - - XtSetArg(arglist[arg_cnt], XtNborderWidth, 0); arg_cnt++; - XtSetArg(arglist[arg_cnt], XtNleft, XtChainLeft); arg_cnt++; - - if (dw->dialog.icon != (Pixmap)0) { - XtSetArg(arglist[arg_cnt], XtNbitmap, dw->dialog.icon); arg_cnt++; - XtSetArg(arglist[arg_cnt], XtNright, XtChainLeft); arg_cnt++; - dw->dialog.iconW = XtCreateManagedWidget("icon", labelWidgetClass, - cnew, arglist, arg_cnt); - arg_cnt = 2; - XtSetArg(arglist[arg_cnt], XtNfromHoriz, dw->dialog.iconW); arg_cnt++; - } - else - dw->dialog.iconW = NULL; - - XtSetArg(arglist[arg_cnt], XtNlabel, dw->dialog.label); arg_cnt++; - XtSetArg(arglist[arg_cnt], XtNright, XtChainRight); arg_cnt++; - - dw->dialog.labelW = XtCreateManagedWidget("label", labelWidgetClass, - cnew, arglist, arg_cnt); - - if (dw->dialog.iconW != NULL && - XtHeight(dw->dialog.labelW) < XtHeight(dw->dialog.iconW)) { - XtSetArg(arglist[0], XtNheight, XtHeight(dw->dialog.iconW)); - XtSetValues(dw->dialog.labelW, arglist, 1); - } - if (dw->dialog.value != NULL) - CreateDialogValueWidget((Widget)dw); - else - dw->dialog.valueW = NULL; -} - -/*ARGSUSED*/ -static void -XawDialogConstraintInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - DialogWidget dw = (DialogWidget)cnew->core.parent; - DialogConstraints constraint = (DialogConstraints)cnew->core.constraints; - - if (!XtIsSubclass(cnew, commandWidgetClass)) /* if not a button */ - return; /* then just use defaults */ - - constraint->form.left = constraint->form.right = XtChainLeft; - if (dw->dialog.valueW == NULL) - constraint->form.vert_base = dw->dialog.labelW; - else - constraint->form.vert_base = dw->dialog.valueW; - - if (dw->composite.num_children > 1) { - WidgetList children = dw->composite.children; - Widget *childP; - - for (childP = children + dw->composite.num_children - 1; - childP >= children; childP-- ) { - if (*childP == dw->dialog.labelW || *childP == dw->dialog.valueW) - break; - if (XtIsManaged(*childP) && - XtIsSubclass(*childP, commandWidgetClass)) { - constraint->form.horiz_base = *childP; - break; - } - } - } -} - -#define ICON 0 -#define LABEL 1 -#define NUM_CHECKS 2 -/*ARGSUSED*/ -static Boolean -XawDialogSetValues(Widget current, Widget request, Widget cnew, - ArgList in_args, Cardinal *in_num_args) -{ - DialogWidget w = (DialogWidget)cnew; - DialogWidget old = (DialogWidget)current; - Arg args[5]; - Cardinal num_args; - unsigned int i; - Bool checks[NUM_CHECKS]; - - for (i = 0; i < NUM_CHECKS; i++) - checks[i] = False; - - for (i = 0; i < *in_num_args; i++) { - if (streq(XtNicon, in_args[i].name)) - checks[ICON] = True; - else if (streq(XtNlabel, in_args[i].name)) - checks[LABEL] = True; - } - - if (checks[ICON]) { - if (w->dialog.icon != 0) { - XtSetArg(args[0], XtNbitmap, w->dialog.icon); - if (old->dialog.iconW != NULL) - XtSetValues(old->dialog.iconW, args, 1); - else { - XtSetArg(args[1], XtNborderWidth, 0); - XtSetArg(args[2], XtNleft, XtChainLeft); - XtSetArg(args[3], XtNright, XtChainLeft); - w->dialog.iconW = XtCreateWidget("icon", labelWidgetClass, - cnew, args, 4); - ((DialogConstraints)w->dialog.labelW->core.constraints)-> - form.horiz_base = w->dialog.iconW; - XtManageChild(w->dialog.iconW); - } - } - else if (old->dialog.icon != 0) { - ((DialogConstraints)w->dialog.labelW->core.constraints)-> - form.horiz_base = NULL; - XtDestroyWidget(old->dialog.iconW); - w->dialog.iconW = NULL; - } - } - - if (checks[LABEL]) { - num_args = 0; - XtSetArg(args[num_args], XtNlabel, w->dialog.label); num_args++; - if (w->dialog.iconW != NULL && - XtHeight(w->dialog.labelW) <= XtHeight(w->dialog.iconW)) { - XtSetArg(args[num_args], XtNheight, XtHeight(w->dialog.iconW)); - num_args++; - } - XtSetValues(w->dialog.labelW, args, num_args); - } - - if (w->dialog.value != old->dialog.value) { - if (w->dialog.value == NULL) /* only get here if it - wasn't NULL before */ - XtDestroyWidget(old->dialog.valueW); - else if (old->dialog.value == NULL) { /* create a new value widget */ - XtWidth(w) = XtWidth(old); - XtHeight(w) = XtHeight(old); - CreateDialogValueWidget(cnew); - } - else { /* Widget ok, just change string */ - Arg nargs[1]; - - XtSetArg(nargs[0], XtNstring, w->dialog.value); - XtSetValues(w->dialog.valueW, nargs, 1); - w->dialog.value = MAGIC_VALUE; - } - } - - return (False); -} - -/* - * Function: - * XawDialogGetValuesHook - * - * Parameters: - * w - Dialog Widget - * args - argument list - * num_args - number of args - * - * Description: - * This is a get values hook routine that gets the values in the dialog. - */ -static void -XawDialogGetValuesHook(Widget w, ArgList args, Cardinal *num_args) -{ - Arg a[1]; - String s; - DialogWidget src = (DialogWidget)w; - unsigned int i; - - for (i = 0; i < *num_args; i++) - if (streq(args[i].name, XtNvalue)) { - XtSetArg(a[0], XtNstring, &s); - XtGetValues(src->dialog.valueW, a, 1); - *((char **)args[i].value) = s; - } - else if (streq(args[i].name, XtNlabel)) { - XtSetArg(a[0], XtNlabel, &s); - XtGetValues(src->dialog.labelW, a, 1); - *((char **)args[i].value) = s; - } -} - -/* - * Function: - * CreateDialogValueWidget - * - * Parameters: - * w - dialog widget - * - * Description: - * Creates the dialog widgets value widget. - * - * Note - * Must be called only when w->dialog.value is non-nil - */ -static void -CreateDialogValueWidget(Widget w) -{ - DialogWidget dw = (DialogWidget)w; - Arg arglist[10]; - Cardinal num_args = 0; - - XtSetArg(arglist[num_args], XtNstring, dw->dialog.value); num_args++; - XtSetArg(arglist[num_args], XtNresizable, True); num_args++; - XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); num_args++; - XtSetArg(arglist[num_args], XtNfromVert, dw->dialog.labelW); num_args++; - XtSetArg(arglist[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(arglist[num_args], XtNright, XtChainRight); num_args++; - - dw->dialog.valueW = XtCreateWidget("value", asciiTextWidgetClass, - w, arglist, num_args); - - /* if the value widget is being added after buttons, - * then the buttons need new layout constraints - */ - if (dw->composite.num_children > 1) { - WidgetList children = dw->composite.children; - Widget *childP; - - for (childP = children + dw->composite.num_children - 1; - childP >= children; childP-- ) { - if (*childP == dw->dialog.labelW || *childP == dw->dialog.valueW) - continue; - - if (XtIsManaged(*childP) && - XtIsSubclass(*childP, commandWidgetClass)) { - ((DialogConstraints)(*childP)->core.constraints)-> - form.vert_base = dw->dialog.valueW; - } - } - } - XtManageChild(dw->dialog.valueW); - - /* - * Value widget gets the keyboard focus - */ - XtSetKeyboardFocus(w, dw->dialog.valueW); - dw->dialog.value = MAGIC_VALUE; -} - -void -XawDialogAddButton(Widget dialog, _Xconst char* name, XtCallbackProc function, - XtPointer param) -{ - /* - * Correct Constraints are all set in ConstraintInitialize() - */ - Widget button; - - button = XtCreateManagedWidget(name, commandWidgetClass, dialog, NULL, 0); - - if (function != NULL) /* don't add NULL callback func */ - XtAddCallback(button, XtNcallback, function, param); -} - -char * -XawDialogGetValueString(Widget w) -{ - Arg args[1]; - char *value; - - XtSetArg(args[0], XtNstring, &value); - XtGetValues(((DialogWidget)w)->dialog.valueW, args, 1); - - return(value); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/AsciiText.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/Command.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/DialogP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * After we have set the string in the value widget we set the
+ * string to a magic value. So that when a SetValues request is made
+ * on the dialog value we will notice it, and reset the string
+ */
+#define MAGIC_VALUE ((char *)3)
+
+#define streq(a,b) (strcmp((a), (b)) == 0)
+
+/*
+ * Class Methods
+ */
+static void XawDialogConstraintInitialize(Widget, Widget,
+ ArgList, Cardinal*);
+static void XawDialogGetValuesHook(Widget, ArgList, Cardinal*);
+static void XawDialogInitialize(Widget, Widget, ArgList, Cardinal*);
+static Boolean XawDialogSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void CreateDialogValueWidget(Widget);
+
+/*
+ * Initialization
+ */
+static XtResource resources[] = {
+ {
+ XtNlabel,
+ XtCLabel,
+ XtRString,
+ sizeof(String),
+ XtOffsetOf(DialogRec, dialog.label),
+ XtRString,
+ NULL
+ },
+ {
+ XtNvalue,
+ XtCValue,
+ XtRString,
+ sizeof(String),
+ XtOffsetOf(DialogRec, dialog.value),
+ XtRString,
+ NULL
+ },
+ {
+ XtNicon,
+ XtCIcon,
+ XtRBitmap,
+ sizeof(Pixmap),
+ XtOffsetOf(DialogRec, dialog.icon),
+ XtRImmediate,
+ NULL
+ },
+};
+
+DialogClassRec dialogClassRec = {
+ /* core */
+ {
+ (WidgetClass)&formClassRec, /* superclass */
+ "Dialog", /* class_name */
+ sizeof(DialogRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part init */
+ False, /* class_inited */
+ XawDialogInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawDialogSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ XawDialogGetValuesHook, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XtInheritGeometryManager, /* geometry_manager */
+ XtInheritChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ /* constraint */
+ {
+ NULL, /* subresourses */
+ 0, /* subresource_count */
+ sizeof(DialogConstraintsRec), /* constraint_size */
+ XawDialogConstraintInitialize, /* initialize */
+ NULL, /* destroy */
+ NULL, /* set_values */
+ NULL, /* extension */
+ },
+ /* form */
+ {
+ XtInheritLayout, /* layout */
+ },
+ /* dialog */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass dialogWidgetClass = (WidgetClass)&dialogClassRec;
+
+/*
+ * Implementation
+ */
+/*ARGSUSED*/
+static void
+XawDialogInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ DialogWidget dw = (DialogWidget)cnew;
+ Arg arglist[9];
+ Cardinal arg_cnt = 0;
+
+ XtSetArg(arglist[arg_cnt], XtNborderWidth, 0); arg_cnt++;
+ XtSetArg(arglist[arg_cnt], XtNleft, XtChainLeft); arg_cnt++;
+
+ if (dw->dialog.icon != (Pixmap)0) {
+ XtSetArg(arglist[arg_cnt], XtNbitmap, dw->dialog.icon); arg_cnt++;
+ XtSetArg(arglist[arg_cnt], XtNright, XtChainLeft); arg_cnt++;
+ dw->dialog.iconW = XtCreateManagedWidget("icon", labelWidgetClass,
+ cnew, arglist, arg_cnt);
+ arg_cnt = 2;
+ XtSetArg(arglist[arg_cnt], XtNfromHoriz, dw->dialog.iconW); arg_cnt++;
+ }
+ else
+ dw->dialog.iconW = NULL;
+
+ XtSetArg(arglist[arg_cnt], XtNlabel, dw->dialog.label); arg_cnt++;
+ XtSetArg(arglist[arg_cnt], XtNright, XtChainRight); arg_cnt++;
+
+ dw->dialog.labelW = XtCreateManagedWidget("label", labelWidgetClass,
+ cnew, arglist, arg_cnt);
+
+ if (dw->dialog.iconW != NULL &&
+ XtHeight(dw->dialog.labelW) < XtHeight(dw->dialog.iconW)) {
+ XtSetArg(arglist[0], XtNheight, XtHeight(dw->dialog.iconW));
+ XtSetValues(dw->dialog.labelW, arglist, 1);
+ }
+ if (dw->dialog.value != NULL)
+ CreateDialogValueWidget((Widget)dw);
+ else
+ dw->dialog.valueW = NULL;
+}
+
+/*ARGSUSED*/
+static void
+XawDialogConstraintInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ DialogWidget dw = (DialogWidget)cnew->core.parent;
+ DialogConstraints constraint = (DialogConstraints)cnew->core.constraints;
+
+ if (!XtIsSubclass(cnew, commandWidgetClass)) /* if not a button */
+ return; /* then just use defaults */
+
+ constraint->form.left = constraint->form.right = XtChainLeft;
+ if (dw->dialog.valueW == NULL)
+ constraint->form.vert_base = dw->dialog.labelW;
+ else
+ constraint->form.vert_base = dw->dialog.valueW;
+
+ if (dw->composite.num_children > 1) {
+ WidgetList children = dw->composite.children;
+ Widget *childP;
+
+ for (childP = children + dw->composite.num_children - 1;
+ childP >= children; childP-- ) {
+ if (*childP == dw->dialog.labelW || *childP == dw->dialog.valueW)
+ break;
+ if (XtIsManaged(*childP) &&
+ XtIsSubclass(*childP, commandWidgetClass)) {
+ constraint->form.horiz_base = *childP;
+ break;
+ }
+ }
+ }
+}
+
+#define ICON 0
+#define LABEL 1
+#define NUM_CHECKS 2
+/*ARGSUSED*/
+static Boolean
+XawDialogSetValues(Widget current, Widget request, Widget cnew,
+ ArgList in_args, Cardinal *in_num_args)
+{
+ DialogWidget w = (DialogWidget)cnew;
+ DialogWidget old = (DialogWidget)current;
+ Arg args[5];
+ Cardinal num_args;
+ unsigned int i;
+ Bool checks[NUM_CHECKS];
+
+ for (i = 0; i < NUM_CHECKS; i++)
+ checks[i] = False;
+
+ for (i = 0; i < *in_num_args; i++) {
+ if (streq(XtNicon, in_args[i].name))
+ checks[ICON] = True;
+ else if (streq(XtNlabel, in_args[i].name))
+ checks[LABEL] = True;
+ }
+
+ if (checks[ICON]) {
+ if (w->dialog.icon != 0) {
+ XtSetArg(args[0], XtNbitmap, w->dialog.icon);
+ if (old->dialog.iconW != NULL)
+ XtSetValues(old->dialog.iconW, args, 1);
+ else {
+ XtSetArg(args[1], XtNborderWidth, 0);
+ XtSetArg(args[2], XtNleft, XtChainLeft);
+ XtSetArg(args[3], XtNright, XtChainLeft);
+ w->dialog.iconW = XtCreateWidget("icon", labelWidgetClass,
+ cnew, args, 4);
+ ((DialogConstraints)w->dialog.labelW->core.constraints)->
+ form.horiz_base = w->dialog.iconW;
+ XtManageChild(w->dialog.iconW);
+ }
+ }
+ else if (old->dialog.icon != 0) {
+ ((DialogConstraints)w->dialog.labelW->core.constraints)->
+ form.horiz_base = NULL;
+ XtDestroyWidget(old->dialog.iconW);
+ w->dialog.iconW = NULL;
+ }
+ }
+
+ if (checks[LABEL]) {
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, w->dialog.label); num_args++;
+ if (w->dialog.iconW != NULL &&
+ XtHeight(w->dialog.labelW) <= XtHeight(w->dialog.iconW)) {
+ XtSetArg(args[num_args], XtNheight, XtHeight(w->dialog.iconW));
+ num_args++;
+ }
+ XtSetValues(w->dialog.labelW, args, num_args);
+ }
+
+ if (w->dialog.value != old->dialog.value) {
+ if (w->dialog.value == NULL) /* only get here if it
+ wasn't NULL before */
+ XtDestroyWidget(old->dialog.valueW);
+ else if (old->dialog.value == NULL) { /* create a new value widget */
+ XtWidth(w) = XtWidth(old);
+ XtHeight(w) = XtHeight(old);
+ CreateDialogValueWidget(cnew);
+ }
+ else { /* Widget ok, just change string */
+ Arg nargs[1];
+
+ XtSetArg(nargs[0], XtNstring, w->dialog.value);
+ XtSetValues(w->dialog.valueW, nargs, 1);
+ w->dialog.value = MAGIC_VALUE;
+ }
+ }
+
+ return (False);
+}
+
+/*
+ * Function:
+ * XawDialogGetValuesHook
+ *
+ * Parameters:
+ * w - Dialog Widget
+ * args - argument list
+ * num_args - number of args
+ *
+ * Description:
+ * This is a get values hook routine that gets the values in the dialog.
+ */
+static void
+XawDialogGetValuesHook(Widget w, ArgList args, Cardinal *num_args)
+{
+ Arg a[1];
+ String s;
+ DialogWidget src = (DialogWidget)w;
+ unsigned int i;
+
+ for (i = 0; i < *num_args; i++)
+ if (streq(args[i].name, XtNvalue)) {
+ XtSetArg(a[0], XtNstring, &s);
+ XtGetValues(src->dialog.valueW, a, 1);
+ *((char **)args[i].value) = s;
+ }
+ else if (streq(args[i].name, XtNlabel)) {
+ XtSetArg(a[0], XtNlabel, &s);
+ XtGetValues(src->dialog.labelW, a, 1);
+ *((char **)args[i].value) = s;
+ }
+}
+
+/*
+ * Function:
+ * CreateDialogValueWidget
+ *
+ * Parameters:
+ * w - dialog widget
+ *
+ * Description:
+ * Creates the dialog widgets value widget.
+ *
+ * Note
+ * Must be called only when w->dialog.value is non-nil
+ */
+static void
+CreateDialogValueWidget(Widget w)
+{
+ DialogWidget dw = (DialogWidget)w;
+ Arg arglist[10];
+ Cardinal num_args = 0;
+
+ XtSetArg(arglist[num_args], XtNstring, dw->dialog.value); num_args++;
+ XtSetArg(arglist[num_args], XtNresizable, True); num_args++;
+ XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); num_args++;
+ XtSetArg(arglist[num_args], XtNfromVert, dw->dialog.labelW); num_args++;
+ XtSetArg(arglist[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(arglist[num_args], XtNright, XtChainRight); num_args++;
+
+ dw->dialog.valueW = XtCreateWidget("value", asciiTextWidgetClass,
+ w, arglist, num_args);
+
+ /* if the value widget is being added after buttons,
+ * then the buttons need new layout constraints
+ */
+ if (dw->composite.num_children > 1) {
+ WidgetList children = dw->composite.children;
+ Widget *childP;
+
+ for (childP = children + dw->composite.num_children - 1;
+ childP >= children; childP-- ) {
+ if (*childP == dw->dialog.labelW || *childP == dw->dialog.valueW)
+ continue;
+
+ if (XtIsManaged(*childP) &&
+ XtIsSubclass(*childP, commandWidgetClass)) {
+ ((DialogConstraints)(*childP)->core.constraints)->
+ form.vert_base = dw->dialog.valueW;
+ }
+ }
+ }
+ XtManageChild(dw->dialog.valueW);
+
+ /*
+ * Value widget gets the keyboard focus
+ */
+ XtSetKeyboardFocus(w, dw->dialog.valueW);
+ dw->dialog.value = MAGIC_VALUE;
+}
+
+void
+XawDialogAddButton(Widget dialog, _Xconst char* name, XtCallbackProc function,
+ XtPointer param)
+{
+ /*
+ * Correct Constraints are all set in ConstraintInitialize()
+ */
+ Widget button;
+
+ button = XtCreateManagedWidget(name, commandWidgetClass, dialog, NULL, 0);
+
+ if (function != NULL) /* don't add NULL callback func */
+ XtAddCallback(button, XtNcallback, function, param);
+}
+
+char *
+XawDialogGetValueString(Widget w)
+{
+ Arg args[1];
+ char *value;
+
+ XtSetArg(args[0], XtNstring, &value);
+ XtGetValues(((DialogWidget)w)->dialog.valueW, args, 1);
+
+ return(value);
+}
diff --git a/libXaw/src/DisplayList.c b/libXaw/src/DisplayList.c index 6549650e7..1bef9945f 100644 --- a/libXaw/src/DisplayList.c +++ b/libXaw/src/DisplayList.c @@ -1,2255 +1,2255 @@ -/* - * Copyright (c) 1998 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - * - * Author: Paulo César Pereira de Andrade - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <ctype.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/CoreP.h> -#include <X11/Xfuncs.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/SysUtil.h> -#include "Private.h" - -#ifdef __UNIXOS2__ -static char dummy; -#endif - -#ifndef OLDXAW - -/* - * Types - */ -typedef struct _XawDLProc XawDLProc; -typedef struct _XawDLData XawDLData; -typedef struct _XawDLInfo XawDLInfo; - -struct _XawDLProc { - XrmQuark qname; - String *params; - Cardinal num_params; - XawDisplayListProc proc; - XtPointer args; - XawDLData *data; -}; - -struct _XawDLData { - XawDLClass *dlclass; - XtPointer data; -}; - -struct _XawDLInfo { - String name; - XrmQuark qname; - XawDisplayListProc proc; -}; - -struct _XawDL { - XawDLProc **procs; - Cardinal num_procs; - XawDLData **data; - Cardinal num_data; - Screen *screen; - Colormap colormap; - int depth; - XrmQuark qrep; /* for cache lookup */ -}; - -struct _XawDLClass { - String name; - XawDLInfo **infos; - Cardinal num_infos; - XawDLArgsInitProc args_init; - XawDLArgsDestructor args_destructor; - XawDLDataInitProc data_init; - XawDLDataDestructor data_destructor; -}; - -/* - * Private Methods - */ -static XawDLClass *_XawFindDLClass(String); -static int qcmp_dlist_class(_Xconst void*, _Xconst void*); -static int bcmp_dlist_class(_Xconst void*, _Xconst void*); -static XawDLInfo *_XawFindDLInfo(XawDLClass*, String); -static int qcmp_dlist_info(_Xconst void*, _Xconst void*); -static int bcmp_dlist_info(_Xconst void*, _Xconst void*); -static void *_Xaw_Xlib_ArgsInitProc(String, String*, Cardinal*, - Screen*, Colormap, int); -static void _Xaw_Xlib_ArgsDestructor(Display*, String, XtPointer, - String*, Cardinal*); -static void *_Xaw_Xlib_DataInitProc(String, Screen*, Colormap, int); -static void _Xaw_Xlib_DataDestructor(Display*, String, XtPointer); - -/* - * Initialization - */ -static XawDLClass **classes; -static Cardinal num_classes; -static String xlib = "xlib"; - -/* - * Implementation - */ -void -XawRunDisplayList(Widget w, _XawDisplayList *list, - XEvent *event, Region region) -{ - XawDLProc *proc; - Cardinal i; - - if (!XtIsRealized(w)) - return; - - for (i = 0; i < list->num_procs; i++) - { - proc = list->procs[i]; - proc->proc(w, proc->args, proc->data->data, event, region); - } -} - -#define DLERR -2 -#define DLEOF -1 -#define DLEND 1 -#define DLNAME 2 -#define DLARG 3 -static char * -read_token(char *src, char *dst, Cardinal size, int *status) -{ - int ch; - Bool esc, quote; - Cardinal i; - - i = 0; - esc = quote = False; - - /*CONSTCOND*/ - while (1) - { - ch = *src; - if (ch != '\n' && isspace(ch)) - ++src; - else - break; - } - - for (; i < size - 1; src++) - { - ch = *src; - if (ch == '"') - { - if (quote) - { - quote = False; - continue; - } - quote = True; - continue; - } - if (ch == '\\') - { - if (esc) - { - dst[i++] = ch; - esc = False; - continue; - } - esc = True; - continue; - } - if (ch == '\0') - { - *status = DLEOF; - dst[i] = '\0'; - return (src); - } - else if (!esc) - { - if (!quote) - { - if (ch == ',') - { - *status = DLARG; - dst[i] = '\0'; - return (++src); - } - else if (ch == ' ' || ch == '\t') - { - *status = DLNAME; - dst[i] = '\0'; - return (++src); - } - else if (ch == ';' || ch == '\n') - { - *status = DLEND; - dst[i] = '\0'; - return (++src); - } - } - } - else - esc = False; - dst[i++] = ch; - } - - *status = DLERR; - dst[i] = '\0'; - - return (src); -} - -_XawDisplayList *XawCreateDisplayList(String string, Screen *screen, - Colormap colormap, int depth) -{ - _XawDisplayList *dlist; - XawDLClass *lc, *xlibc; - XawDLData *data; - XawDLInfo *info; - XawDLProc *proc; - char cname[64], fname[64], aname[1024]; - Cardinal i; - char *cp, *fp, *lp; - int status; - - xlibc = XawGetDisplayListClass(xlib); - if (!xlibc) - { - XawDisplayListInitialize(); - xlibc = XawGetDisplayListClass(xlib); - } - - dlist = (_XawDisplayList *)XtMalloc(sizeof(_XawDisplayList)); - dlist->procs = NULL; - dlist->num_procs = 0; - dlist->data = NULL; - dlist->num_data = 0; - dlist->screen = screen; - dlist->colormap = colormap; - dlist->depth = depth; - dlist->qrep = NULLQUARK; - if (!string || !string[0]) - return (dlist); - - cp = string; - - status = 0; - while (status != DLEOF) - { - lp = cp; - cp = read_token(cp, fname, sizeof(fname), &status); - - if (status != DLNAME && status != DLEND && status != DLEOF) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "Error parsing displayList at \"%s\"", lp); - XtAppWarning(XtDisplayToApplicationContext(DisplayOfScreen(screen)), - msg); - XawDestroyDisplayList(dlist); - return (NULL); - } - fp = fname; - /*CONSTCOND*/ - while (1) - { - fp = strchr(fp, ':'); - if (!fp || (fp == cp || fp[-1] != '\\')) - break; - ++fp; - } - if (fp) - { - XmuSnprintf(cname, fp - fname + 1, fname); - memmove(fname, fp + 1, strlen(fp)); - lc = cname[0] ? XawGetDisplayListClass(cname) : xlibc; - if (!lc) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "Cannot find displayList class \"%s\"", cname); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), msg); - XawDestroyDisplayList(dlist); - return (NULL); - } - } - else - lc = xlibc; - - if (status == DLEOF && !fname[0]) - break; - - if ((info = _XawFindDLInfo(lc, fname)) == NULL) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "Cannot find displayList procedure \"%s\"", fname); - XtAppWarning(XtDisplayToApplicationContext(DisplayOfScreen(screen)), - msg); - XawDestroyDisplayList(dlist); - return (NULL); - } - - proc = (XawDLProc *)XtMalloc(sizeof(XawDLProc)); - proc->qname = info->qname; - proc->params = NULL; - proc->num_params = 0; - proc->proc = info->proc; - proc->args = NULL; - proc->data = NULL; - - if (!dlist->procs) - { - dlist->num_procs = 1; - dlist->procs = (XawDLProc**)XtMalloc(sizeof(XawDLProc*)); - } - else - { - ++dlist->num_procs; - dlist->procs = (XawDLProc**) - XtRealloc((char *)dlist->procs, sizeof(XawDLProc*) * - dlist->num_procs); - } - dlist->procs[dlist->num_procs - 1] = proc; - - while (status != DLEND && status != DLEOF) - { - lp = cp; - cp = read_token(cp, aname, sizeof(aname), &status); - - if (status != DLARG && status != DLEND && status != DLEOF) - { - char msg[256]; - - XmuSnprintf(msg, sizeof(msg), - "Error parsing displayList at \"%s\"", lp); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), msg); - XawDestroyDisplayList(dlist); - return (NULL); - } - - if (!proc->num_params) - { - proc->num_params = 1; - proc->params = (String *)XtMalloc(sizeof(String)); - } - else - { - ++proc->num_params; - proc->params = (String *)XtRealloc((char *)proc->params, - sizeof(String) * - proc->num_params); - } - proc->params[proc->num_params - 1] = XtNewString(aname); - } - - /* verify if data is already created for lc */ - data = NULL; - for (i = 0; i < dlist->num_data; i++) - if (dlist->data[i]->dlclass == lc) - { - data = dlist->data[i]; - break; - } - - if (!data) - { - data = (XawDLData *)XtMalloc(sizeof(XawDLData)); - data->dlclass = lc; - if (lc->data_init) - data->data = lc->data_init(lc->name, screen, colormap, depth); - else - data->data = NULL; - - if (!dlist->data) - { - dlist->num_data = 1; - dlist->data = (XawDLData **)XtMalloc(sizeof(XawDLData*)); - } - else - { - ++dlist->num_data; - dlist->data = (XawDLData **) - XtRealloc((char *)dlist->data, sizeof(XawDLData*) * - dlist->num_data); - } - dlist->data[dlist->num_data - 1] = data; - } - - if (lc->args_init) - { - proc->args = lc->args_init(fname, proc->params, &proc->num_params, - screen, colormap, depth); - if (proc->args == XAWDL_CONVERT_ERROR) - { - char msg[256]; - - proc->args = NULL; - XmuSnprintf(msg, sizeof(msg), - "Cannot convert arguments to displayList function \"%s\"", fname); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), msg); - XawDestroyDisplayList(dlist); - return (NULL); - } - } - else - proc->args = NULL; - - proc->data = data; - } - - dlist->qrep = XrmStringToQuark(string); - return (dlist); -} - -String -XawDisplayListString(_XawDisplayList *dlist) -{ - if (!dlist || dlist->qrep == NULLQUARK) - return (""); - return (XrmQuarkToString(dlist->qrep)); -} - -void -XawDestroyDisplayList(_XawDisplayList *dlist) -{ - Cardinal i, j; - XawDLProc *proc; - XawDLData *data; - - if (!dlist) - return; - - for (i = 0; i < dlist->num_procs; i++) - { - proc = dlist->procs[i]; - data = proc->data; - - if (data) - { - if (data->dlclass->args_destructor) - data->dlclass->args_destructor(DisplayOfScreen(dlist->screen), - XrmQuarkToString(proc->qname), - proc->args, - proc->params, &proc->num_params); - if (data->data) - { - if (data->dlclass->data_destructor) - { - data->dlclass - ->data_destructor(DisplayOfScreen(dlist->screen), - data->dlclass->name, data->data); - data->data = NULL; - } - } - } - - for (j = 0; j < proc->num_params; j++) - XtFree(proc->params[j]); - if (proc->num_params) - XtFree((char *)proc->params); - XtFree((char *)proc); - } - - if (dlist->num_procs) - XtFree((char *)dlist->procs); - - XtFree((char *)dlist); -} - -/********************************************************************** - * If you want to implement your own class of procedures, look at - * the code bellow. - **********************************************************************/ -/* Start of Implementation of class "xlib" */ -typedef struct _XawXlibData { - GC gc; - unsigned long mask; - XGCValues values; - int shape; - int mode; - char *dashes; - /* these fields can be used for optimization, to - * avoid unnecessary coordinates recalculation. - */ - Position x, y; - Dimension width, height; -} XawXlibData; - -typedef struct _XawDLPosition { - Position pos; - short denom; - Boolean high; -} XawDLPosition; - -typedef struct _XawDLPositionPtr { - XawDLPosition *pos; - Cardinal num_pos; -} XawDLPositionPtr; - -typedef struct _XawDLArcArgs { - XawDLPosition pos[4]; - int angle1; - int angle2; -} XawDLArcArgs; - -typedef struct _XawDLStringArgs { - XawDLPosition pos[2]; - char *string; - int length; -} XawDLStringArgs; - -typedef struct _XawDLCopyArgs { - XawPixmap *pixmap; - XawDLPosition pos[6]; - int plane; -} XawDLCopyArgs; - -typedef struct _XawDLImageArgs { - XawPixmap *pixmap; - XawDLPosition pos[4]; - int depth; -} XawDLImageArgs; - -#define X_ARG(x) (Position)(((x).denom != 0) ? \ - ((float)XtWidth(w) * ((float)(x).pos / (float)(x).denom)) : \ - ((x).high ? XtWidth(w) - (x).pos : (x).pos)) -#define Y_ARG(x) (Position)(((x).denom != 0) ? \ - ((float)XtHeight(w) * ((float)(x).pos / (float)(x).denom)): \ - ((x).high ? XtHeight(w) - (x).pos : (x).pos)) -#define DRECT 0 -#define FRECT 1 -#define LINE 2 -#define GCFG 3 -#define GCBG 4 -#define FPOLY 5 -#define DARC 6 -#define FARC 7 -#define DLINES 8 -#define MASK 9 -#define UMASK 10 -#define LWIDTH 11 -#define POINT 12 -#define POINTS 13 -#define SEGMENTS 14 -#define ARCMODE 15 -#define COORDMODE 16 -#define SHAPEMODE 17 -#define LINESTYLE 18 -#define CAPSTYLE 19 -#define JOINSTYLE 20 -#define FILLSTYLE 21 -#define FILLRULE 22 -#define TILE 23 -#define STIPPLE 24 -#define TSORIGIN 25 -#define FUNCTION 26 -#define PLANEMASK 27 -#define DSTRING 28 -#define PSTRING 29 -#define FONT 30 -#define DASHES 31 -#define SUBWMODE 32 -#define EXPOSURES 33 -#define CLIPORIGIN 34 -#define CLIPMASK 35 -#define CLIPRECTS 36 -#define COPYAREA 37 -#define COPYPLANE 38 -#define IMAGE 39 - -static void -Dl1Point(Widget w, XtPointer args, XtPointer data, int id) -{ - XawDLPosition *pos = (XawDLPosition *)args; - XawXlibData *xdata = (XawXlibData *)data; - Display *display; - Window window; - Position x, y; - - x = X_ARG(pos[0]); - y = Y_ARG(pos[1]); - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - x += xpad; - y += ypad; - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - if (id == POINT) - XDrawPoint(display, window, xdata->gc, x, y); - else if (id == TSORIGIN) - { - xdata->values.ts_x_origin = x; - xdata->values.ts_y_origin = y; - xdata->mask |= GCTileStipXOrigin | GCTileStipYOrigin; - XSetTSOrigin(display, xdata->gc, x, y); - } - else if (id == CLIPORIGIN) - { - xdata->values.clip_x_origin = x; - xdata->values.clip_y_origin = y; - xdata->mask |= GCClipXOrigin | GCClipYOrigin; - XSetClipOrigin(display, xdata->gc, x, y); - } -} - -static void -Dl2Points(Widget w, XtPointer args, XtPointer data, int id) -{ - XawDLPosition *pos = (XawDLPosition *)args; - XawXlibData *xdata = (XawXlibData *)data; - Display *display; - Window window; - Position x1, y1, x2, y2; - - x1 = X_ARG(pos[0]); - y1 = Y_ARG(pos[1]); - x2 = X_ARG(pos[2]); - y2 = Y_ARG(pos[3]); - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - x1 += xpad; y1 += ypad; - x2 += xpad; y2 += ypad; - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - if (id == DRECT) - XDrawRectangle(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1); - else if (id == FRECT) - XFillRectangle(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1); - else if (id == LINE) - XDrawLine(display, window, xdata->gc, x1, y1, x2, y2); -} - -/* ARGSUSED */ -static void -DlLine(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region) -{ - Dl2Points(w, args, data, LINE); -} - -/* ARGSUSED */ -static void -DlDrawRectangle(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - Dl2Points(w, args, data, DRECT); -} - -/* ARGSUSED */ -static void -DlFillRectangle(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - Dl2Points(w, args, data, FRECT); -} - -static void -DlXPoints(Widget w, XtPointer args, XtPointer data, int id) -{ - XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args; - XawXlibData *xdata = (XawXlibData *)data; - XawDLPosition *pos; - XPoint points_buf[16]; - XPoint *points; - Display *display; - Window window; - Cardinal num_points, i, j; - - num_points = pos_ptr->num_pos>>1; - points = (XPoint *)XawStackAlloc(sizeof(XPoint) * num_points, points_buf); - - for (i = j = 0; i < num_points; i++, j = i << 1) - { - pos = &pos_ptr->pos[j]; - points[i].x = X_ARG(pos[0]); - points[i].y = Y_ARG(pos[1]); - } - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - if (xdata->mode != CoordModePrevious) - { - for (i = 0; i < num_points; i++) - { - points[i].x += xpad; - points[i].y += ypad; - } - } - else - { - points[0].x += xpad; - points[0].y += ypad; - } - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - if (id == FPOLY) - XFillPolygon(display, window, xdata->gc, points, num_points, - xdata->shape, xdata->mode); - else if (id == DLINES) - XDrawLines(display, window, xdata->gc, points, num_points, xdata->mode); - else if (id == POINTS) - XDrawPoints(display, window, xdata->gc, points, num_points, xdata->mode); - - XawStackFree(points, points_buf); -} - -/* ARGSUSED */ -static void -DlFillPolygon(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlXPoints(w, args, data, FPOLY); -} - -/* ARGSUSED */ -static void -DlDrawLines(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlXPoints(w, args, data, DLINES); -} - -/* ARGSUSED */ -static void -DlDrawPoints(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlXPoints(w, args, data, POINTS); -} - -/* ARGSUSED */ -static void -DlForeground(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - Pixel foreground = (Pixel)args; - - if (xdata->values.foreground != foreground) - { - xdata->mask |= GCForeground; - xdata->values.foreground = foreground; - XSetForeground(XtDisplayOfObject(w), xdata->gc, foreground); - } -} - -/* ARGSUSED */ -static void -DlBackground(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - Pixel background = (Pixel)args; - - if (xdata->values.background != background) - { - xdata->mask |= GCBackground; - xdata->values.background = background; - XSetBackground(XtDisplayOfObject(w), xdata->gc, background); - } -} - -static void -DlArc(Widget w, XtPointer args, XtPointer data, Bool fill) -{ - XawXlibData *xdata = (XawXlibData *)data; - XawDLArcArgs *arc = (XawDLArcArgs *)args; - Position x1, y1, x2, y2; - Display *display; - Window window; - - x1 = X_ARG(arc->pos[0]); - y1 = Y_ARG(arc->pos[1]); - x2 = X_ARG(arc->pos[2]); - y2 = Y_ARG(arc->pos[3]); - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - x1 += xpad; - y1 += ypad; - x2 += xpad; - y2 += ypad; - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - if (fill) - XFillArc(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1, - arc->angle1, arc->angle2); - else - XDrawArc(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1, - arc->angle1, arc->angle2); -} - -/* ARGSUSED */ -static void -DlDrawArc(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlArc(w, args, data, False); -} - -/* ARGSUSED */ -static void -DlFillArc(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlArc(w, args, data, True); -} - -/*ARGSUSED*/ -static void -DlMask(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - Display *display = XtDisplayOfObject(w); - - if (region) - XSetRegion(display, xdata->gc, region); - else if (event) - { - XRectangle rect; - - rect.x = event->xexpose.x; - rect.y = event->xexpose.y; - rect.width = event->xexpose.width; - rect.height = event->xexpose.height; - XSetClipRectangles(display, xdata->gc, 0, 0, &rect, 1, Unsorted); - } -} - -/* ARGSUSED */ -static void -DlUmask(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - - XSetClipMask(XtDisplayOfObject(w), xdata->gc, None); -} - -/* ARGSUSED */ -static void -DlLineWidth(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - unsigned line_width = (unsigned long)args; - - if (xdata->values.line_width != line_width) - { - xdata->mask |= GCLineWidth; - xdata->values.line_width = line_width; - XChangeGC(XtDisplayOfObject(w), xdata->gc, GCLineWidth, &xdata->values); - } -} - -/* ARGSUSED */ -static void -DlDrawPoint(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region) -{ - Dl1Point(w, args, data, POINT); -} - -/* ARGSUSED */ -static void -DlDrawSegments(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args; - XawXlibData *xdata = (XawXlibData *)data; - XawDLPosition *pos; - XSegment *segments; - XSegment segments_buf[8]; - Display *display; - Window window; - Cardinal num_segments, i, j; - - num_segments = pos_ptr->num_pos>>2; - segments = (XSegment *)XawStackAlloc(sizeof(XSegment) * num_segments, segments_buf); - - for (i = j = 0; i < num_segments; i++, j = i << 2) - { - pos = &pos_ptr->pos[j]; - segments[i].x1 = X_ARG(pos[0]); - segments[i].y1 = Y_ARG(pos[1]); - segments[i].x2 = X_ARG(pos[2]); - segments[i].y2 = Y_ARG(pos[3]); - } - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - for (i = 0; i < num_segments; i++) - { - segments[i].x1 += xpad; - segments[i].y1 += ypad; - segments[i].x2 += xpad; - segments[i].y2 += ypad; - } - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - XDrawSegments(display, window, xdata->gc, segments, num_segments); - - XawStackFree(segments, segments_buf); -} - -/* ARGSUSED */ -static void -DlArcMode(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int arc_mode = (long)args; - - if (xdata->values.arc_mode != arc_mode) - { - xdata->mask |= GCArcMode; - xdata->values.arc_mode = arc_mode; - XSetArcMode(XtDisplayOfObject(w), xdata->gc, arc_mode); - } -} - -/* ARGSUSED */ -static void -DlCoordMode(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int mode = (long)args; - - xdata->mode = mode; -} - -/* ARGSUSED */ -static void -DlShapeMode(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int shape = (long)args; - - xdata->shape = shape; -} - -/* ARGSUSED */ -static void -DlLineStyle(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int line_style = (long)args; - - if (xdata->values.line_style != line_style) - { - xdata->mask |= GCLineStyle; - xdata->values.line_style = line_style; - XChangeGC(XtDisplayOfObject(w), xdata->gc, GCLineStyle, &xdata->values); - } -} - -/* ARGSUSED */ -static void -DlCapStyle(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int cap_style = (long)args; - - if (xdata->values.cap_style != cap_style) - { - xdata->mask |= GCCapStyle; - xdata->values.cap_style = cap_style; - XChangeGC(XtDisplayOfObject(w), xdata->gc, GCCapStyle, &xdata->values); - } -} - -/* ARGSUSED */ -static void -DlJoinStyle(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int join_style = (long)args; - - if (xdata->values.join_style != join_style) - { - xdata->mask |= GCJoinStyle; - xdata->values.join_style = join_style; - XChangeGC(XtDisplayOfObject(w), xdata->gc, GCJoinStyle, &xdata->values); - } -} - -/* ARGSUSED */ -static void -DlFillStyle(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int fill_style = (long)args; - - if (xdata->values.fill_style != fill_style) - { - xdata->mask |= GCFillStyle; - xdata->values.fill_style = fill_style; - XSetFillStyle(XtDisplayOfObject(w), xdata->gc, fill_style); - } -} - -/* ARGSUSED */ -static void -DlFillRule(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int fill_rule = (long)args; - - if (xdata->values.fill_rule != fill_rule) - { - xdata->mask |= GCFillRule; - xdata->values.fill_rule = fill_rule; - XSetFillRule(XtDisplayOfObject(w), xdata->gc, fill_rule); - } -} - -/* ARGSUSED */ -static void -DlTile(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - XawPixmap *pixmap = (XawPixmap *)args; - - if (pixmap && xdata->values.tile != pixmap->pixmap) - { - xdata->mask |= GCTile; - xdata->values.tile = pixmap->pixmap; - XSetTile(XtDisplayOfObject(w), xdata->gc, xdata->values.tile); - } -} - -/* ARGSUSED */ -static void -DlStipple(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - XawPixmap *pixmap = (XawPixmap *)args; - - if (pixmap && xdata->values.stipple != pixmap->pixmap) - { - xdata->mask |= GCStipple; - xdata->values.stipple = pixmap->pixmap; - XSetStipple(XtDisplayOfObject(w), xdata->gc, xdata->values.stipple); - } -} - -/* ARGSUSED */ -static void -DlTSOrigin(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region) -{ - Dl1Point(w, args, data, TSORIGIN); -} - -/* ARGSUSED */ -static void -DlFunction(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int function = (long)args; - - if (function != xdata->values.function) - { - xdata->mask |= GCFunction; - xdata->values.function = function; - XSetFunction(XtDisplayOfObject(w), xdata->gc, function); - } -} - -/* ARGSUSED */ -static void -DlPlaneMask(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - unsigned long plane_mask = (unsigned long)args; - - if (xdata->values.plane_mask != plane_mask) - { - xdata->mask |= GCPlaneMask; - xdata->values.plane_mask = plane_mask; - XSetPlaneMask(XtDisplayOfObject(w), xdata->gc, plane_mask); - } -} - -static void -DlString(Widget w, XtPointer args, XtPointer data, Bool image) -{ - XawDLStringArgs *string = (XawDLStringArgs *)args; - XawXlibData *xdata = (XawXlibData *)data; - Display *display; - Window window; - Position x, y; - - x = X_ARG(string->pos[0]); - y = Y_ARG(string->pos[1]); - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - x += xpad; - y += ypad; - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - if (image) - XDrawImageString(display, window, xdata->gc, x, y, string->string, string->length); - else - XDrawString(display, window, xdata->gc, x, y, string->string, string->length); -} - -/* ARGSUSED */ -static void -DlDrawString(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlString(w, args, data, False); -} - -/* ARGSUSED */ -static void -DlPaintString(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlString(w, args, data, True); -} - -/* ARGSUSED */ -static void -DlFont(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - Font font = (Font)args; - - if (xdata->values.font != font) - { - xdata->mask |= GCFont; - xdata->values.font = font; - XSetFont(XtDisplayOfObject(w), xdata->gc, font); - } -} - -/* ARGSUSED */ -static void -DlDashes(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - char *dashes = args; - - if (xdata->dashes != dashes) - { - xdata->mask |= GCDashOffset | GCDashList; - xdata->dashes = dashes; - XSetDashes(XtDisplayOfObject(w), xdata->gc, 0, dashes + 1, *dashes); - } -} - -/* ARGSUSED */ -static void -DlSubwindowMode(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - int subwindow_mode = (long)args; - - if (xdata->values.subwindow_mode != subwindow_mode) - { - xdata->mask |= GCSubwindowMode; - xdata->values.subwindow_mode = subwindow_mode; - XSetSubwindowMode(XtDisplayOfObject(w), xdata->gc, subwindow_mode); - } -} - -/* ARGSUSED */ -static void -DlExposures(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - Bool graphics_exposures = (Bool)(long)args; - - if (xdata->values.graphics_exposures != graphics_exposures) - { - xdata->mask |= GCGraphicsExposures; - xdata->values.graphics_exposures = graphics_exposures; - XSetGraphicsExposures(XtDisplayOfObject(w), xdata->gc, graphics_exposures); - } -} - -/* ARGSUSED */ -static void -DlClipOrigin(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region) -{ - Dl1Point(w, args, data, CLIPORIGIN); -} - -/* ARGSUSED */ -static void -DlClipMask(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawXlibData *xdata = (XawXlibData *)data; - XawPixmap *pixmap = (XawPixmap *)args; - Pixmap clip_mask; - - if (pixmap) - clip_mask = pixmap->mask ? pixmap->mask : pixmap->pixmap; - else - clip_mask = None; - - if (xdata->values.clip_mask != clip_mask) - { - xdata->mask |= GCClipMask; - XSetClipMask(XtDisplayOfObject(w), xdata->gc, clip_mask); - } -} - -/* ARGSUSED */ -static void -DlClipRectangles(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args; - XawXlibData *xdata = (XawXlibData *)data; - XawDLPosition *pos; - XRectangle *rects; - XRectangle rects_buf[8]; - Position x1, y1, x2, y2; - Cardinal num_rects, i, j; - - num_rects = pos_ptr->num_pos>>2; - rects = (XRectangle *)XawStackAlloc(sizeof(XRectangle) * num_rects, rects_buf); - - for (i = j = 0; i < num_rects; i++, j = i << 2) - { - pos = &pos_ptr->pos[j]; - x1 = X_ARG(pos[0]); - y1 = Y_ARG(pos[1]); - x2 = X_ARG(pos[2]); - y2 = Y_ARG(pos[3]); - rects[i].x = XawMin(x1, x2); - rects[i].y = XawMin(y1, y2); - rects[i].width = XawMax(x1, x2) - rects[i].x; - rects[i].height = XawMax(y1, y2) - rects[i].y; - } - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - for (i = 0; i < num_rects; i++) - { - rects[i].x += xpad; - rects[i].y += ypad; - } - } - - XSetClipRectangles(XtDisplayOfObject(w), xdata->gc, 0, 0, rects, num_rects, Unsorted); - - XawStackFree(rects, rects_buf); -} - -static void -DlCopy(Widget w, XtPointer args, XtPointer data, Bool plane) -{ - XawDLCopyArgs *copy = (XawDLCopyArgs *)args; - XawXlibData *xdata = (XawXlibData *)data; - int src_x, src_y, dst_x, dst_y, width, height, tmp1, tmp2; - - tmp1 = X_ARG(copy->pos[0]); - tmp2 = X_ARG(copy->pos[2]); - dst_x = XawMin(tmp1, tmp2); - width = XawMax(tmp1, tmp2) - dst_x; - - tmp1 = Y_ARG(copy->pos[1]); - tmp2 = Y_ARG(copy->pos[3]); - dst_y = XawMin(tmp1, tmp2); - height = XawMax(tmp1, tmp2) - dst_y; - - src_x = X_ARG(copy->pos[4]); - src_y = Y_ARG(copy->pos[5]); - - if (width <= 0) - { - if (copy->pixmap) - width = copy->pixmap->width; - else - { - if ((width = XtWidth(w) - src_x) < 0) - width = 0; - } - } - if (height <= 0) - { - if (copy->pixmap) - height = copy->pixmap->height; - else - { - if ((height = XtHeight(w) - src_y) < 0) - height = 0; - } - } - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - src_x += xpad; - src_y += ypad; - dst_x += xpad; - dst_y += ypad; - } - - if (plane) - XCopyPlane(XtDisplayOfObject(w), XtWindowOfObject(w), - copy->pixmap ? copy->pixmap->pixmap : XtWindowOfObject(w), - xdata->gc, src_x, src_y, width, height, dst_x, dst_y, - copy->plane ? copy->plane : 1); - else - XCopyArea(XtDisplayOfObject(w), - copy->pixmap ? copy->pixmap->pixmap : XtWindowOfObject(w), - XtWindowOfObject(w), xdata->gc, src_x, src_y, width, height, dst_x, dst_y); -} - -/* ARGSUSED */ -static void -DlCopyArea(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlCopy(w, args, data, False); -} - -/* ARGSUSED */ -static void -DlCopyPlane(Widget w, XtPointer args, XtPointer data, - XEvent *event, Region region) -{ - DlCopy(w, args, data, True); -} - -/*ARGSUSED*/ -/* Note: - * This function is destructive if you set the ts_x_origin, ts_y_origin, - * and/or clip-mask. It is meant to be the only function used in a display - * list. If you need to use other functions (and those values), be sure to - * set them after calling this function. - */ -static void -DlImage(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region) -{ - XawDLImageArgs *image = (XawDLImageArgs *)args; - XawXlibData *xdata = (XawXlibData *)data; - int x, y, xs, ys, xe, ye, width, height; - Display *display; - Window window; - - width = image->pixmap->width; - height = image->pixmap->height; - xs = X_ARG(image->pos[0]); - ys = Y_ARG(image->pos[1]); - xe = X_ARG(image->pos[2]); - ye = Y_ARG(image->pos[3]); - - if (xe <= 0) - xe = xs + width; - if (ye <= 0) - ye = ys + height; - - if (!XtIsWidget(w)) - { - Position xpad, ypad; - - xpad = XtX(w) + XtBorderWidth(w); - ypad = XtY(w) + XtBorderWidth(w); - xe += xpad; - ye += ypad; - xe += xpad; - ye += ypad; - display = XtDisplayOfObject(w); - window = XtWindowOfObject(w); - } - else - { - display = XtDisplay(w); - window = XtWindow(w); - } - - for (y = ys; y < ye; y += height) - for (x = xs; x < xe; x += width) - { - XSetClipOrigin(display, xdata->gc, x, y); - if (image->pixmap->mask) - XSetClipMask(display, xdata->gc, image->pixmap->mask); - if (image->depth == 1) - XCopyPlane(display, image->pixmap->pixmap, window, xdata->gc, - 0, 0, XawMin(width, xe - x), XawMin(height, ye - y), - x, y, 1L); - else - XCopyArea(display, image->pixmap->pixmap, window, xdata->gc, 0, 0, - XawMin(width, xe - x), XawMin(height, ye - y), x, y); - } - - XSetClipMask(display, xdata->gc, None); -} - -typedef struct _Dl_init Dl_init; -struct _Dl_init { - String name; - XawDisplayListProc proc; - Cardinal id; -}; - -static Dl_init dl_init[] = -{ - {"arc-mode", DlArcMode, ARCMODE}, - {"background", DlBackground, GCBG}, - {"bg", DlBackground, GCBG}, - {"cap-style", DlCapStyle, CAPSTYLE}, - {"clip-mask", DlClipMask, CLIPMASK}, - {"clip-origin", DlClipOrigin, CLIPORIGIN}, - {"clip-rectangles", DlClipRectangles, CLIPRECTS}, - {"clip-rects", DlClipRectangles, CLIPRECTS}, - {"coord-mode", DlCoordMode, COORDMODE}, - {"copy-area", DlCopyArea, COPYAREA}, - {"copy-plane", DlCopyPlane, COPYPLANE}, - {"dashes", DlDashes, DASHES}, - {"draw-arc", DlDrawArc, DARC}, - {"draw-line", DlLine, LINE}, - {"draw-lines", DlDrawLines, DLINES}, - {"draw-point", DlDrawPoint, POINT}, - {"draw-points", DlDrawPoints, POINTS}, - {"draw-rect", DlDrawRectangle, DRECT}, - {"draw-rectangle", DlDrawRectangle, DRECT}, - {"draw-segments", DlDrawSegments, SEGMENTS}, - {"draw-string", DlDrawString, DSTRING}, - {"exposures", DlExposures, EXPOSURES}, - {"fg", DlForeground, GCFG}, - {"fill-arc", DlFillArc, FARC}, - {"fill-poly", DlFillPolygon, FPOLY}, - {"fill-polygon", DlFillPolygon, FPOLY}, - {"fill-rect", DlFillRectangle, FRECT}, - {"fill-rectangle", DlFillRectangle, FRECT}, - {"fill-rule", DlFillRule, FILLRULE}, - {"fill-style", DlFillStyle, FILLSTYLE}, - {"font", DlFont, FONT}, - {"foreground", DlForeground, GCFG}, - {"function", DlFunction, FUNCTION}, - {"image", DlImage, IMAGE}, - {"join-style", DlJoinStyle, JOINSTYLE}, - {"line", DlLine, LINE}, - {"line-style", DlLineStyle, LINESTYLE}, - {"line-width", DlLineWidth, LWIDTH}, - {"lines", DlDrawLines, DLINES}, - {"mask", DlMask, MASK}, - {"paint-string", DlPaintString, PSTRING}, - {"plane-mask", DlPlaneMask, PLANEMASK}, - {"point", DlDrawPoint, POINT}, - {"points", DlDrawPoints, POINTS}, - {"segments", DlDrawSegments, SEGMENTS}, - {"shape-mode", DlShapeMode, SHAPEMODE}, - {"stipple", DlStipple, STIPPLE}, - {"subwindow-mode", DlSubwindowMode, SUBWMODE}, - {"tile", DlTile, TILE}, - {"ts-origin", DlTSOrigin, TSORIGIN}, - {"umask", DlUmask, UMASK}, -}; - -void -XawDisplayListInitialize(void) -{ - static Bool first_time = True; - XawDLClass *lc; - Cardinal i; - - if (first_time == False) - return; - - first_time = False; - - lc = XawCreateDisplayListClass(xlib, - _Xaw_Xlib_ArgsInitProc, - _Xaw_Xlib_ArgsDestructor, - _Xaw_Xlib_DataInitProc, - _Xaw_Xlib_DataDestructor); - for (i = 0; i < sizeof(dl_init) / sizeof(dl_init[0]); i++) - (void)XawDeclareDisplayListProc(lc, dl_init[i].name, dl_init[i].proc); -} - -static int -bcmp_cvt_proc(register _Xconst void *string, - register _Xconst void *dlinfo) -{ - return (strcmp((String)string, ((Dl_init*)dlinfo)->name)); -} - -static long -read_int(char *cp, char **cpp) -{ - long value = 0, sign = 1; - - if (*cp == '-') - { - sign = -1; - ++cp; - } - else if (*cp == '+') - ++cp; - value = 0; - while (*cp >= '0' && *cp <= '9') - { - value = value * 10 + *cp - '0'; - ++cp; - } - if (cpp) - *cpp = cp; - return (value * sign); -} - -static void -read_position(char *arg, XawDLPosition *pos) -{ - int ch; - char *str = arg; - - ch = *str; - if (ch == '-' || ch == '+') - { - ++str; - if (ch == '-') - pos->high = True; - pos->pos = read_int(str, NULL); - } - else if (isdigit(ch)) - { - pos->pos = read_int(str, &str); - ch = *str++; - if (ch == '/') - pos->denom = read_int(str, NULL); - } -} - -/* ARGSUSED */ -static void * -_Xaw_Xlib_ArgsInitProc(String proc_name, String *params, Cardinal *num_params, - Screen *screen, Colormap colormap, int depth) -{ - Cardinal id, i; - Dl_init *init; - void *retval = XAWDL_CONVERT_ERROR; - - init = (Dl_init *)bsearch(proc_name, dl_init, - sizeof(dl_init) / sizeof(dl_init[0]), - sizeof(dl_init[0]), - bcmp_cvt_proc); - - id = init->id; - - switch (id) - { - case LINE: - case DRECT: - case FRECT: - if (*num_params == 4) - { - XawDLPosition *pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * 4); - - for (i = 0; i < 4; i++) - read_position(params[i], &pos[i]); - retval = (void *)pos; - } - break; - case POINT: - case TSORIGIN: - case CLIPORIGIN: - if (*num_params == 2) - { - XawDLPosition *pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * 2); - - read_position(params[0], &pos[0]); - read_position(params[1], &pos[1]); - retval = (void *)pos; - } - break; - case DLINES: - case FPOLY: - case POINTS: - if (*num_params >= 4 && !(*num_params & 1)) - { - XawDLPositionPtr *pos = XtNew(XawDLPositionPtr); - - pos->pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * - *num_params); - pos->num_pos = *num_params; - for (i = 0; i < *num_params; i++) - read_position(params[i], &pos->pos[i]); - retval = (void *)pos; - } - break; - case SEGMENTS: - case CLIPRECTS: - if (*num_params >= 4 && !(*num_params % 4)) - { - XawDLPositionPtr *pos = XtNew(XawDLPositionPtr); - - pos->pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * - *num_params); - pos->num_pos = *num_params; - for (i = 0; i < *num_params; i++) - read_position(params[i], &pos->pos[i]); - retval = (void *)pos; - } - break; - case DARC: - case FARC: - if (*num_params >= 4 && *num_params <= 6) - { - XawDLArcArgs *args = (XawDLArcArgs *)XtCalloc(1, sizeof(XawDLArcArgs)); - - args->angle1 = 0; - args->angle2 = 360; - for (i = 0; i < 4; i++) - read_position(params[i], &args->pos[i]); - if (*num_params > 4) - args->angle1 = read_int(params[4], NULL); - if (*num_params > 5) - args->angle2 = read_int(params[5], NULL); - args->angle1 *= 64; - args->angle2 *= 64; - retval = (void *)args; - } - break; - case GCFG: - case GCBG: - { - XColor xcolor; - - if (*num_params == 1 && - XAllocNamedColor(DisplayOfScreen(screen), colormap, - params[0], &xcolor, &xcolor)) - retval = (void *)xcolor.pixel; - } break; - case MASK: - case UMASK: - if (*num_params == 0) - retval = NULL; - break; - case LWIDTH: - if (*num_params == 1) - retval = (void *)read_int(params[0], NULL); - break; - case ARCMODE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "pieslice") == 0) - retval = (void *)ArcPieSlice; - else if (XmuCompareISOLatin1(params[0], "chord") == 0) - retval = (void *)ArcChord; - } - break; - case COORDMODE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "origin") == 0) - retval = (void *)CoordModeOrigin; - else if (XmuCompareISOLatin1(params[0], "previous") == 0) - retval = (void *)CoordModePrevious; - } - break; - case SHAPEMODE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "complex") == 0) - retval = (void *)Complex; - else if (XmuCompareISOLatin1(params[0], "convex") == 0) - retval = (void *)Convex; - else if (XmuCompareISOLatin1(params[0], "nonconvex") == 0) - retval = (void *)Nonconvex; - } - break; - case LINESTYLE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "solid") == 0) - retval = (void *)LineSolid; - else if (XmuCompareISOLatin1(params[0], "onoffdash") == 0) - retval = (void *)LineOnOffDash; - else if (XmuCompareISOLatin1(params[0], "doubledash") == 0) - retval = (void *)LineDoubleDash; - } - break; - case CAPSTYLE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "notlast") == 0) - retval = (void *)CapNotLast; - else if (XmuCompareISOLatin1(params[0], "butt") == 0) - retval = (void *)CapButt; - else if (XmuCompareISOLatin1(params[0], "round") == 0) - retval = (void *)CapRound; - else if (XmuCompareISOLatin1(params[0], "projecting") == 0) - retval = (void *)CapProjecting; - } - break; - case JOINSTYLE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "miter") == 0) - retval = (void *)JoinMiter; - else if (XmuCompareISOLatin1(params[0], "round") == 0) - retval = (void *)JoinRound; - else if (XmuCompareISOLatin1(params[0], "bevel") == 0) - retval = (void *)JoinBevel; - } - break; - case FILLSTYLE: - if (*num_params == 1) - { - if (*num_params && XmuCompareISOLatin1(params[0], "solid") == 0) - retval = (void *)FillSolid; - else if (*num_params && XmuCompareISOLatin1(params[0], "tiled") == 0) - retval = (void *)FillTiled; - else if (*num_params && XmuCompareISOLatin1(params[0], "stippled") == 0) - retval = (void *)FillStippled; - else if (*num_params && XmuCompareISOLatin1(params[0], "opaquestippled") == 0) - retval = (void *)FillOpaqueStippled; - } - break; - case FILLRULE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "evenodd") == 0) - retval = (void *)EvenOddRule; - else if (XmuCompareISOLatin1(params[0], "winding") == 0) - retval = (void *)WindingRule; - } - break; - case TILE: - if (*num_params == 1) - retval = (void *)XawLoadPixmap(params[0], screen, colormap, depth); - if (retval == NULL) - { - XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0], - XtRPixmap); - retval = XAWDL_CONVERT_ERROR; - } - break; - case STIPPLE: - if (*num_params == 1) - retval = (void *)XawLoadPixmap(params[0], screen, colormap, 1); - if (retval == NULL) - { - XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0], - XtRBitmap); - retval = XAWDL_CONVERT_ERROR; - } - break; - case FUNCTION: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "set") == 0) - retval = (void *)GXset; - else if (XmuCompareISOLatin1(params[0], "clear") == 0) - retval = (void *)GXclear; - else if (XmuCompareISOLatin1(params[0], "and") == 0) - retval = (void *)GXand; - else if (XmuCompareISOLatin1(params[0], "andreverse") == 0) - retval = (void *)GXandReverse; - else if (XmuCompareISOLatin1(params[0], "copy") == 0) - retval = (void *)GXcopy; - else if (XmuCompareISOLatin1(params[0], "andinverted") == 0) - retval = (void *)GXandInverted; - else if (XmuCompareISOLatin1(params[0], "noop") == 0) - retval = (void *)GXnoop; - else if (XmuCompareISOLatin1(params[0], "xor") == 0) - retval = (void *)GXxor; - else if (XmuCompareISOLatin1(params[0], "or") == 0) - retval = (void *)GXor; - else if (XmuCompareISOLatin1(params[0], "nor") == 0) - retval = (void *)GXnor; - else if (XmuCompareISOLatin1(params[0], "equiv") == 0) - retval = (void *)GXequiv; - else if (XmuCompareISOLatin1(params[0], "invert") == 0) - retval = (void *)GXinvert; - else if (XmuCompareISOLatin1(params[0], "orreverse") == 0) - retval = (void *)GXorReverse; - else if (XmuCompareISOLatin1(params[0], "copyinverted") == 0) - retval = (void *)GXcopyInverted; - else if (XmuCompareISOLatin1(params[0], "nand") == 0) - retval = (void *)GXnand; - } - break; - case PLANEMASK: - if (*num_params == 1) - retval = (void *)read_int(params[0], NULL); - break; - case DSTRING: - case PSTRING: - if (*num_params == 3) - { - XawDLStringArgs *string = (XawDLStringArgs *) - XtCalloc(1, sizeof(XawDLStringArgs)); - - read_position(params[0], &string->pos[0]); - read_position(params[1], &string->pos[1]); - string->string = XtNewString(params[2]); - string->length = strlen(string->string); - retval = string; - } - break; - case FONT: - if (*num_params == 1) - retval = (void *)XLoadFont(DisplayOfScreen(screen), params[0]); - break; - case DASHES: - if (*num_params && *num_params < 127) - { - char *dashes; - - dashes = XtMalloc(*num_params + 1); - - for (i = 0; i < *num_params; i++) - dashes[i + 1] = read_int(params[i], NULL); - *dashes = *num_params; - retval = dashes; - } - break; - case SUBWMODE: - if (*num_params == 1) - { - if (XmuCompareISOLatin1(params[0], "clipbychildren") == 0) - retval = (void *)ClipByChildren; - else if (XmuCompareISOLatin1(params[0], "includeinferiors") == 0) - retval = (void *)IncludeInferiors; - } - break; - case EXPOSURES: - if (*num_params == 1) - { - if (isdigit(params[0][0]) || params[0][0] == '+' || params[0][0] == '-') - retval = (void *)read_int(params[0], NULL); - else if (XmuCompareISOLatin1(params[0], "true") == 0 || - XmuCompareISOLatin1(params[0], "on") == 0) - retval = (void *)True; - else if (XmuCompareISOLatin1(params[0], "false") == 0 || - XmuCompareISOLatin1(params[0], "off") == 0) - retval = (void *)False; - } - break; - case CLIPMASK: - if (*num_params == 1) - retval = (void *)XawLoadPixmap(params[0], screen, colormap, 1); - if (retval == NULL) - { - retval = XAWDL_CONVERT_ERROR; - XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0], - XtRPixmap); - } - break; - case COPYAREA: - case COPYPLANE: - if (*num_params > 2 && *num_params <= 7 + (id == COPYPLANE)) - { - XawDLCopyArgs *args = (XawDLCopyArgs *) - XtCalloc(1, sizeof(XawDLCopyArgs)); - - retval = args; - if (params[0][0] == '\0' || strcmp(params[0], ".") == 0) - args->pixmap = NULL; - else - { - args->pixmap = XawLoadPixmap(params[0], screen, colormap, id == COPYPLANE ? 1 : depth); - if (args->pixmap == NULL) - { - XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0], - XtRBitmap); - retval = XAWDL_CONVERT_ERROR; - XtFree((char *)args); - } - } - if (retval != XAWDL_CONVERT_ERROR) - { - for (i = 1; i < *num_params && i < 7; i++) - read_position(params[i], &args->pos[i - 1]); - if (*num_params > 7) - args->plane = read_int(params[7], NULL); - } - } - break; - case IMAGE: - if (*num_params > 2 && *num_params <= 7) - { - XawDLImageArgs *args = (XawDLImageArgs *) - XtCalloc(1, sizeof(XawDLImageArgs)); - - retval = args; - args->pixmap = XawLoadPixmap(params[0], screen, colormap, depth); - if (args->pixmap == NULL) - { - XtDisplayStringConversionWarning(DisplayOfScreen(screen), - (String)params[0], XtRPixmap); - retval = XAWDL_CONVERT_ERROR; - XtFree((char *)args); - } - else - { - args->depth = depth; - for (i = 1; i < *num_params && i < 5; i++) - read_position(params[i], &args->pos[i - 1]); - } - } - break; - } - - return (retval); -} - -/* ARGSUSED */ -static void * -_Xaw_Xlib_DataInitProc(String class_name, - Screen *screen, Colormap colormap, int depth) -{ - XawXlibData *data; - Window tmp_win; - - data = (XawXlibData *)XtMalloc(sizeof(XawXlibData)); - - tmp_win = XCreateWindow(DisplayOfScreen(screen), - RootWindowOfScreen(screen), - 0, 0, 1, 1, 1, depth, - InputOutput, (Visual *)CopyFromParent, 0, NULL); - data->mask = 0; - data->gc = XCreateGC(DisplayOfScreen(screen), tmp_win, 0, &data->values); - XDestroyWindow(DisplayOfScreen(screen), tmp_win); - data->shape = Complex; - data->mode = CoordModeOrigin; - data->dashes = NULL; - - return ((void *)data); -} - -/* ARGSUSED */ -static void -_Xaw_Xlib_ArgsDestructor(Display *display, String proc_name, XtPointer args, - String *params, Cardinal *num_params) -{ - Cardinal id; - Dl_init *init; - - init = (Dl_init *)bsearch(proc_name, dl_init, - sizeof(dl_init) / sizeof(dl_init[0]), - sizeof(dl_init[0]), - bcmp_cvt_proc); - - id = init->id; - - switch (id) - { - case LINE: - case DRECT: - case FRECT: - case DARC: - case FARC: - case POINT: - case TSORIGIN: - case DASHES: - case CLIPORIGIN: - case COPYAREA: - case COPYPLANE: - case IMAGE: - XtFree(args); - break; - case DSTRING: - case PSTRING: - { - XawDLStringArgs *string = (XawDLStringArgs *)args; - XtFree(string->string); - XtFree(args); - } break; - case DLINES: - case FPOLY: - case POINTS: - case SEGMENTS: - case CLIPRECTS: - { - XawDLPositionPtr *ptr = (XawDLPositionPtr *)args; - - XtFree((char *)ptr->pos); - XtFree(args); - } break; - } -} - -/* ARGSUSED */ -static void -_Xaw_Xlib_DataDestructor(Display *display, String class_name, XtPointer data) -{ - if (data) - { - XawXlibData *xdata = (XawXlibData *)data; - - XFreeGC(display, xdata->gc); - if (xdata->dashes) - XtFree(xdata->dashes); - XtFree((char *)data); - } -} - -/* Start of DLInfo Management Functions */ -static int -qcmp_dlist_info(register _Xconst void *left, register _Xconst void *right) -{ - return (strcmp((*(XawDLInfo **)left)->name, (*(XawDLInfo **)right)->name)); -} - -Bool XawDeclareDisplayListProc(XawDLClass *lc, String name, - XawDisplayListProc proc) -{ - XawDLInfo *info; - - if (!lc || !proc || !name || name[0] == '\0') - return (False); - - if ((info = _XawFindDLInfo(lc, name)) != NULL) - /* Since the data structures to the displayList classes are(should be) - * opaque, it is not a good idea to allow overriding a displayList - * procedure; it's better to choose another name or class name! - */ - return (False); - - info = (XawDLInfo *)XtMalloc(sizeof(XawDLInfo)); - info->name = XtNewString(name); - info->qname = XrmStringToQuark(info->name); - info->proc = proc; - - if (!lc->num_infos) - { - lc->num_infos = 1; - lc->infos = (XawDLInfo **)XtMalloc(sizeof(XawDLInfo*)); - } - else - { - ++lc->num_infos; - lc->infos = (XawDLInfo **) - XtRealloc((char *)lc->infos, sizeof(XawDLInfo*) * lc->num_infos); - } - lc->infos[lc->num_infos - 1] = info; - - if (lc->num_infos > 1) - qsort(lc->infos, lc->num_infos, sizeof(XawDLInfo*), qcmp_dlist_info); - - return (True); -} - -static int -bcmp_dlist_info(register _Xconst void *string, - register _Xconst void *dlinfo) -{ - return (strcmp((String)string, (*(XawDLClass **)dlinfo)->name)); -} - -static XawDLInfo * -_XawFindDLInfo(XawDLClass *lc, String name) -{ - XawDLInfo **info; - - if (!lc->infos) - return (NULL); - - info = (XawDLInfo **)bsearch(name, lc->infos, lc->num_infos, - sizeof(XawDLInfo*), bcmp_dlist_info); - - return (info ? *info : NULL); -} - -/* Start of DLClass Management Functions */ -XawDLClass * -XawGetDisplayListClass(String name) -{ - return (_XawFindDLClass(name)); -} - -static int -qcmp_dlist_class(register _Xconst void *left, register _Xconst void *right) -{ - return (strcmp((*(XawDLClass **)left)->name, (*(XawDLClass **)right)->name)); -} - -XawDLClass * -XawCreateDisplayListClass(String name, - XawDLArgsInitProc args_init, - XawDLArgsDestructor args_destructor, - XawDLDataInitProc data_init, - XawDLDataDestructor data_destructor) -{ - XawDLClass *lc; - - if (!name || name[0] == '\0') - return (NULL); - - lc = (XawDLClass *)XtMalloc(sizeof(XawDLClass)); - lc->name = XtNewString(name); - lc->infos = NULL; - lc->num_infos = 0; - lc->args_init = args_init; - lc->args_destructor = args_destructor; - lc->data_init = data_init; - lc->data_destructor = data_destructor; - - if (!classes) - { - num_classes = 1; - classes = (XawDLClass **)XtMalloc(sizeof(XawDLClass)); - } - else - { - ++num_classes; - classes = (XawDLClass **)XtRealloc((char *)classes, - sizeof(XawDLClass) * num_classes); - } - classes[num_classes - 1] = lc; - - if (num_classes > 1) - qsort(&classes[0], num_classes, sizeof(XawDLClass*), qcmp_dlist_class); - - return (lc); -} - -static int -bcmp_dlist_class(register _Xconst void *string, - register _Xconst void *dlist) -{ - return (strcmp((String)string, (*(XawDLClass **)dlist)->name)); -} - -static XawDLClass * -_XawFindDLClass(String name) -{ - XawDLClass **lc; - - if (!classes) - return (NULL); - - lc = (XawDLClass **)bsearch(name, &classes[0], num_classes, - sizeof(XawDLClass*), bcmp_dlist_class); - - return (lc ? *lc : NULL); -} - -#endif /* OLDXAW */ +/*
+ * Copyright (c) 1998 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ *
+ * Author: Paulo César Pereira de Andrade
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <ctype.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/CoreP.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/SysUtil.h>
+#include "Private.h"
+
+#ifdef __UNIXOS2__
+static char dummy;
+#endif
+
+#ifndef OLDXAW
+
+/*
+ * Types
+ */
+typedef struct _XawDLProc XawDLProc;
+typedef struct _XawDLData XawDLData;
+typedef struct _XawDLInfo XawDLInfo;
+
+struct _XawDLProc {
+ XrmQuark qname;
+ String *params;
+ Cardinal num_params;
+ XawDisplayListProc proc;
+ XtPointer args;
+ XawDLData *data;
+};
+
+struct _XawDLData {
+ XawDLClass *dlclass;
+ XtPointer data;
+};
+
+struct _XawDLInfo {
+ String name;
+ XrmQuark qname;
+ XawDisplayListProc proc;
+};
+
+struct _XawDL {
+ XawDLProc **procs;
+ Cardinal num_procs;
+ XawDLData **data;
+ Cardinal num_data;
+ Screen *screen;
+ Colormap colormap;
+ int depth;
+ XrmQuark qrep; /* for cache lookup */
+};
+
+struct _XawDLClass {
+ String name;
+ XawDLInfo **infos;
+ Cardinal num_infos;
+ XawDLArgsInitProc args_init;
+ XawDLArgsDestructor args_destructor;
+ XawDLDataInitProc data_init;
+ XawDLDataDestructor data_destructor;
+};
+
+/*
+ * Private Methods
+ */
+static XawDLClass *_XawFindDLClass(String);
+static int qcmp_dlist_class(_Xconst void*, _Xconst void*);
+static int bcmp_dlist_class(_Xconst void*, _Xconst void*);
+static XawDLInfo *_XawFindDLInfo(XawDLClass*, String);
+static int qcmp_dlist_info(_Xconst void*, _Xconst void*);
+static int bcmp_dlist_info(_Xconst void*, _Xconst void*);
+static void *_Xaw_Xlib_ArgsInitProc(String, String*, Cardinal*,
+ Screen*, Colormap, int);
+static void _Xaw_Xlib_ArgsDestructor(Display*, String, XtPointer,
+ String*, Cardinal*);
+static void *_Xaw_Xlib_DataInitProc(String, Screen*, Colormap, int);
+static void _Xaw_Xlib_DataDestructor(Display*, String, XtPointer);
+
+/*
+ * Initialization
+ */
+static XawDLClass **classes;
+static Cardinal num_classes;
+static String xlib = "xlib";
+
+/*
+ * Implementation
+ */
+void
+XawRunDisplayList(Widget w, _XawDisplayList *list,
+ XEvent *event, Region region)
+{
+ XawDLProc *proc;
+ Cardinal i;
+
+ if (!XtIsRealized(w))
+ return;
+
+ for (i = 0; i < list->num_procs; i++)
+ {
+ proc = list->procs[i];
+ proc->proc(w, proc->args, proc->data->data, event, region);
+ }
+}
+
+#define DLERR -2
+#define DLEOF -1
+#define DLEND 1
+#define DLNAME 2
+#define DLARG 3
+static char *
+read_token(char *src, char *dst, Cardinal size, int *status)
+{
+ int ch;
+ Bool esc, quote;
+ Cardinal i;
+
+ i = 0;
+ esc = quote = False;
+
+ /*CONSTCOND*/
+ while (1)
+ {
+ ch = *src;
+ if (ch != '\n' && isspace(ch))
+ ++src;
+ else
+ break;
+ }
+
+ for (; i < size - 1; src++)
+ {
+ ch = *src;
+ if (ch == '"')
+ {
+ if (quote)
+ {
+ quote = False;
+ continue;
+ }
+ quote = True;
+ continue;
+ }
+ if (ch == '\\')
+ {
+ if (esc)
+ {
+ dst[i++] = ch;
+ esc = False;
+ continue;
+ }
+ esc = True;
+ continue;
+ }
+ if (ch == '\0')
+ {
+ *status = DLEOF;
+ dst[i] = '\0';
+ return (src);
+ }
+ else if (!esc)
+ {
+ if (!quote)
+ {
+ if (ch == ',')
+ {
+ *status = DLARG;
+ dst[i] = '\0';
+ return (++src);
+ }
+ else if (ch == ' ' || ch == '\t')
+ {
+ *status = DLNAME;
+ dst[i] = '\0';
+ return (++src);
+ }
+ else if (ch == ';' || ch == '\n')
+ {
+ *status = DLEND;
+ dst[i] = '\0';
+ return (++src);
+ }
+ }
+ }
+ else
+ esc = False;
+ dst[i++] = ch;
+ }
+
+ *status = DLERR;
+ dst[i] = '\0';
+
+ return (src);
+}
+
+_XawDisplayList *XawCreateDisplayList(String string, Screen *screen,
+ Colormap colormap, int depth)
+{
+ _XawDisplayList *dlist;
+ XawDLClass *lc, *xlibc;
+ XawDLData *data;
+ XawDLInfo *info;
+ XawDLProc *proc;
+ char cname[64], fname[64], aname[1024];
+ Cardinal i;
+ char *cp, *fp, *lp;
+ int status;
+
+ xlibc = XawGetDisplayListClass(xlib);
+ if (!xlibc)
+ {
+ XawDisplayListInitialize();
+ xlibc = XawGetDisplayListClass(xlib);
+ }
+
+ dlist = (_XawDisplayList *)XtMalloc(sizeof(_XawDisplayList));
+ dlist->procs = NULL;
+ dlist->num_procs = 0;
+ dlist->data = NULL;
+ dlist->num_data = 0;
+ dlist->screen = screen;
+ dlist->colormap = colormap;
+ dlist->depth = depth;
+ dlist->qrep = NULLQUARK;
+ if (!string || !string[0])
+ return (dlist);
+
+ cp = string;
+
+ status = 0;
+ while (status != DLEOF)
+ {
+ lp = cp;
+ cp = read_token(cp, fname, sizeof(fname), &status);
+
+ if (status != DLNAME && status != DLEND && status != DLEOF)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "Error parsing displayList at \"%s\"", lp);
+ XtAppWarning(XtDisplayToApplicationContext(DisplayOfScreen(screen)),
+ msg);
+ XawDestroyDisplayList(dlist);
+ return (NULL);
+ }
+ fp = fname;
+ /*CONSTCOND*/
+ while (1)
+ {
+ fp = strchr(fp, ':');
+ if (!fp || (fp == cp || fp[-1] != '\\'))
+ break;
+ ++fp;
+ }
+ if (fp)
+ {
+ XmuSnprintf(cname, fp - fname + 1, fname);
+ memmove(fname, fp + 1, strlen(fp));
+ lc = cname[0] ? XawGetDisplayListClass(cname) : xlibc;
+ if (!lc)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "Cannot find displayList class \"%s\"", cname);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), msg);
+ XawDestroyDisplayList(dlist);
+ return (NULL);
+ }
+ }
+ else
+ lc = xlibc;
+
+ if (status == DLEOF && !fname[0])
+ break;
+
+ if ((info = _XawFindDLInfo(lc, fname)) == NULL)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "Cannot find displayList procedure \"%s\"", fname);
+ XtAppWarning(XtDisplayToApplicationContext(DisplayOfScreen(screen)),
+ msg);
+ XawDestroyDisplayList(dlist);
+ return (NULL);
+ }
+
+ proc = (XawDLProc *)XtMalloc(sizeof(XawDLProc));
+ proc->qname = info->qname;
+ proc->params = NULL;
+ proc->num_params = 0;
+ proc->proc = info->proc;
+ proc->args = NULL;
+ proc->data = NULL;
+
+ if (!dlist->procs)
+ {
+ dlist->num_procs = 1;
+ dlist->procs = (XawDLProc**)XtMalloc(sizeof(XawDLProc*));
+ }
+ else
+ {
+ ++dlist->num_procs;
+ dlist->procs = (XawDLProc**)
+ XtRealloc((char *)dlist->procs, sizeof(XawDLProc*) *
+ dlist->num_procs);
+ }
+ dlist->procs[dlist->num_procs - 1] = proc;
+
+ while (status != DLEND && status != DLEOF)
+ {
+ lp = cp;
+ cp = read_token(cp, aname, sizeof(aname), &status);
+
+ if (status != DLARG && status != DLEND && status != DLEOF)
+ {
+ char msg[256];
+
+ XmuSnprintf(msg, sizeof(msg),
+ "Error parsing displayList at \"%s\"", lp);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), msg);
+ XawDestroyDisplayList(dlist);
+ return (NULL);
+ }
+
+ if (!proc->num_params)
+ {
+ proc->num_params = 1;
+ proc->params = (String *)XtMalloc(sizeof(String));
+ }
+ else
+ {
+ ++proc->num_params;
+ proc->params = (String *)XtRealloc((char *)proc->params,
+ sizeof(String) *
+ proc->num_params);
+ }
+ proc->params[proc->num_params - 1] = XtNewString(aname);
+ }
+
+ /* verify if data is already created for lc */
+ data = NULL;
+ for (i = 0; i < dlist->num_data; i++)
+ if (dlist->data[i]->dlclass == lc)
+ {
+ data = dlist->data[i];
+ break;
+ }
+
+ if (!data)
+ {
+ data = (XawDLData *)XtMalloc(sizeof(XawDLData));
+ data->dlclass = lc;
+ if (lc->data_init)
+ data->data = lc->data_init(lc->name, screen, colormap, depth);
+ else
+ data->data = NULL;
+
+ if (!dlist->data)
+ {
+ dlist->num_data = 1;
+ dlist->data = (XawDLData **)XtMalloc(sizeof(XawDLData*));
+ }
+ else
+ {
+ ++dlist->num_data;
+ dlist->data = (XawDLData **)
+ XtRealloc((char *)dlist->data, sizeof(XawDLData*) *
+ dlist->num_data);
+ }
+ dlist->data[dlist->num_data - 1] = data;
+ }
+
+ if (lc->args_init)
+ {
+ proc->args = lc->args_init(fname, proc->params, &proc->num_params,
+ screen, colormap, depth);
+ if (proc->args == XAWDL_CONVERT_ERROR)
+ {
+ char msg[256];
+
+ proc->args = NULL;
+ XmuSnprintf(msg, sizeof(msg),
+ "Cannot convert arguments to displayList function \"%s\"", fname);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), msg);
+ XawDestroyDisplayList(dlist);
+ return (NULL);
+ }
+ }
+ else
+ proc->args = NULL;
+
+ proc->data = data;
+ }
+
+ dlist->qrep = XrmStringToQuark(string);
+ return (dlist);
+}
+
+String
+XawDisplayListString(_XawDisplayList *dlist)
+{
+ if (!dlist || dlist->qrep == NULLQUARK)
+ return ("");
+ return (XrmQuarkToString(dlist->qrep));
+}
+
+void
+XawDestroyDisplayList(_XawDisplayList *dlist)
+{
+ Cardinal i, j;
+ XawDLProc *proc;
+ XawDLData *data;
+
+ if (!dlist)
+ return;
+
+ for (i = 0; i < dlist->num_procs; i++)
+ {
+ proc = dlist->procs[i];
+ data = proc->data;
+
+ if (data)
+ {
+ if (data->dlclass->args_destructor)
+ data->dlclass->args_destructor(DisplayOfScreen(dlist->screen),
+ XrmQuarkToString(proc->qname),
+ proc->args,
+ proc->params, &proc->num_params);
+ if (data->data)
+ {
+ if (data->dlclass->data_destructor)
+ {
+ data->dlclass
+ ->data_destructor(DisplayOfScreen(dlist->screen),
+ data->dlclass->name, data->data);
+ data->data = NULL;
+ }
+ }
+ }
+
+ for (j = 0; j < proc->num_params; j++)
+ XtFree(proc->params[j]);
+ if (proc->num_params)
+ XtFree((char *)proc->params);
+ XtFree((char *)proc);
+ }
+
+ if (dlist->num_procs)
+ XtFree((char *)dlist->procs);
+
+ XtFree((char *)dlist);
+}
+
+/**********************************************************************
+ * If you want to implement your own class of procedures, look at
+ * the code bellow.
+ **********************************************************************/
+/* Start of Implementation of class "xlib" */
+typedef struct _XawXlibData {
+ GC gc;
+ unsigned long mask;
+ XGCValues values;
+ int shape;
+ int mode;
+ char *dashes;
+ /* these fields can be used for optimization, to
+ * avoid unnecessary coordinates recalculation.
+ */
+ Position x, y;
+ Dimension width, height;
+} XawXlibData;
+
+typedef struct _XawDLPosition {
+ Position pos;
+ short denom;
+ Boolean high;
+} XawDLPosition;
+
+typedef struct _XawDLPositionPtr {
+ XawDLPosition *pos;
+ Cardinal num_pos;
+} XawDLPositionPtr;
+
+typedef struct _XawDLArcArgs {
+ XawDLPosition pos[4];
+ int angle1;
+ int angle2;
+} XawDLArcArgs;
+
+typedef struct _XawDLStringArgs {
+ XawDLPosition pos[2];
+ char *string;
+ int length;
+} XawDLStringArgs;
+
+typedef struct _XawDLCopyArgs {
+ XawPixmap *pixmap;
+ XawDLPosition pos[6];
+ int plane;
+} XawDLCopyArgs;
+
+typedef struct _XawDLImageArgs {
+ XawPixmap *pixmap;
+ XawDLPosition pos[4];
+ int depth;
+} XawDLImageArgs;
+
+#define X_ARG(x) (Position)(((x).denom != 0) ? \
+ ((float)XtWidth(w) * ((float)(x).pos / (float)(x).denom)) : \
+ ((x).high ? XtWidth(w) - (x).pos : (x).pos))
+#define Y_ARG(x) (Position)(((x).denom != 0) ? \
+ ((float)XtHeight(w) * ((float)(x).pos / (float)(x).denom)): \
+ ((x).high ? XtHeight(w) - (x).pos : (x).pos))
+#define DRECT 0
+#define FRECT 1
+#define LINE 2
+#define GCFG 3
+#define GCBG 4
+#define FPOLY 5
+#define DARC 6
+#define FARC 7
+#define DLINES 8
+#define MASK 9
+#define UMASK 10
+#define LWIDTH 11
+#define POINT 12
+#define POINTS 13
+#define SEGMENTS 14
+#define ARCMODE 15
+#define COORDMODE 16
+#define SHAPEMODE 17
+#define LINESTYLE 18
+#define CAPSTYLE 19
+#define JOINSTYLE 20
+#define FILLSTYLE 21
+#define FILLRULE 22
+#define TILE 23
+#define STIPPLE 24
+#define TSORIGIN 25
+#define FUNCTION 26
+#define PLANEMASK 27
+#define DSTRING 28
+#define PSTRING 29
+#define FONT 30
+#define DASHES 31
+#define SUBWMODE 32
+#define EXPOSURES 33
+#define CLIPORIGIN 34
+#define CLIPMASK 35
+#define CLIPRECTS 36
+#define COPYAREA 37
+#define COPYPLANE 38
+#define IMAGE 39
+
+static void
+Dl1Point(Widget w, XtPointer args, XtPointer data, int id)
+{
+ XawDLPosition *pos = (XawDLPosition *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ Display *display;
+ Window window;
+ Position x, y;
+
+ x = X_ARG(pos[0]);
+ y = Y_ARG(pos[1]);
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ x += xpad;
+ y += ypad;
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ if (id == POINT)
+ XDrawPoint(display, window, xdata->gc, x, y);
+ else if (id == TSORIGIN)
+ {
+ xdata->values.ts_x_origin = x;
+ xdata->values.ts_y_origin = y;
+ xdata->mask |= GCTileStipXOrigin | GCTileStipYOrigin;
+ XSetTSOrigin(display, xdata->gc, x, y);
+ }
+ else if (id == CLIPORIGIN)
+ {
+ xdata->values.clip_x_origin = x;
+ xdata->values.clip_y_origin = y;
+ xdata->mask |= GCClipXOrigin | GCClipYOrigin;
+ XSetClipOrigin(display, xdata->gc, x, y);
+ }
+}
+
+static void
+Dl2Points(Widget w, XtPointer args, XtPointer data, int id)
+{
+ XawDLPosition *pos = (XawDLPosition *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ Display *display;
+ Window window;
+ Position x1, y1, x2, y2;
+
+ x1 = X_ARG(pos[0]);
+ y1 = Y_ARG(pos[1]);
+ x2 = X_ARG(pos[2]);
+ y2 = Y_ARG(pos[3]);
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ x1 += xpad; y1 += ypad;
+ x2 += xpad; y2 += ypad;
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ if (id == DRECT)
+ XDrawRectangle(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1);
+ else if (id == FRECT)
+ XFillRectangle(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1);
+ else if (id == LINE)
+ XDrawLine(display, window, xdata->gc, x1, y1, x2, y2);
+}
+
+/* ARGSUSED */
+static void
+DlLine(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
+{
+ Dl2Points(w, args, data, LINE);
+}
+
+/* ARGSUSED */
+static void
+DlDrawRectangle(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ Dl2Points(w, args, data, DRECT);
+}
+
+/* ARGSUSED */
+static void
+DlFillRectangle(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ Dl2Points(w, args, data, FRECT);
+}
+
+static void
+DlXPoints(Widget w, XtPointer args, XtPointer data, int id)
+{
+ XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawDLPosition *pos;
+ XPoint points_buf[16];
+ XPoint *points;
+ Display *display;
+ Window window;
+ Cardinal num_points, i, j;
+
+ num_points = pos_ptr->num_pos>>1;
+ points = (XPoint *)XawStackAlloc(sizeof(XPoint) * num_points, points_buf);
+
+ for (i = j = 0; i < num_points; i++, j = i << 1)
+ {
+ pos = &pos_ptr->pos[j];
+ points[i].x = X_ARG(pos[0]);
+ points[i].y = Y_ARG(pos[1]);
+ }
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ if (xdata->mode != CoordModePrevious)
+ {
+ for (i = 0; i < num_points; i++)
+ {
+ points[i].x += xpad;
+ points[i].y += ypad;
+ }
+ }
+ else
+ {
+ points[0].x += xpad;
+ points[0].y += ypad;
+ }
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ if (id == FPOLY)
+ XFillPolygon(display, window, xdata->gc, points, num_points,
+ xdata->shape, xdata->mode);
+ else if (id == DLINES)
+ XDrawLines(display, window, xdata->gc, points, num_points, xdata->mode);
+ else if (id == POINTS)
+ XDrawPoints(display, window, xdata->gc, points, num_points, xdata->mode);
+
+ XawStackFree(points, points_buf);
+}
+
+/* ARGSUSED */
+static void
+DlFillPolygon(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlXPoints(w, args, data, FPOLY);
+}
+
+/* ARGSUSED */
+static void
+DlDrawLines(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlXPoints(w, args, data, DLINES);
+}
+
+/* ARGSUSED */
+static void
+DlDrawPoints(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlXPoints(w, args, data, POINTS);
+}
+
+/* ARGSUSED */
+static void
+DlForeground(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ Pixel foreground = (Pixel)args;
+
+ if (xdata->values.foreground != foreground)
+ {
+ xdata->mask |= GCForeground;
+ xdata->values.foreground = foreground;
+ XSetForeground(XtDisplayOfObject(w), xdata->gc, foreground);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlBackground(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ Pixel background = (Pixel)args;
+
+ if (xdata->values.background != background)
+ {
+ xdata->mask |= GCBackground;
+ xdata->values.background = background;
+ XSetBackground(XtDisplayOfObject(w), xdata->gc, background);
+ }
+}
+
+static void
+DlArc(Widget w, XtPointer args, XtPointer data, Bool fill)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawDLArcArgs *arc = (XawDLArcArgs *)args;
+ Position x1, y1, x2, y2;
+ Display *display;
+ Window window;
+
+ x1 = X_ARG(arc->pos[0]);
+ y1 = Y_ARG(arc->pos[1]);
+ x2 = X_ARG(arc->pos[2]);
+ y2 = Y_ARG(arc->pos[3]);
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ x1 += xpad;
+ y1 += ypad;
+ x2 += xpad;
+ y2 += ypad;
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ if (fill)
+ XFillArc(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1,
+ arc->angle1, arc->angle2);
+ else
+ XDrawArc(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1,
+ arc->angle1, arc->angle2);
+}
+
+/* ARGSUSED */
+static void
+DlDrawArc(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlArc(w, args, data, False);
+}
+
+/* ARGSUSED */
+static void
+DlFillArc(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlArc(w, args, data, True);
+}
+
+/*ARGSUSED*/
+static void
+DlMask(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ Display *display = XtDisplayOfObject(w);
+
+ if (region)
+ XSetRegion(display, xdata->gc, region);
+ else if (event)
+ {
+ XRectangle rect;
+
+ rect.x = event->xexpose.x;
+ rect.y = event->xexpose.y;
+ rect.width = event->xexpose.width;
+ rect.height = event->xexpose.height;
+ XSetClipRectangles(display, xdata->gc, 0, 0, &rect, 1, Unsorted);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlUmask(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+
+ XSetClipMask(XtDisplayOfObject(w), xdata->gc, None);
+}
+
+/* ARGSUSED */
+static void
+DlLineWidth(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ unsigned line_width = (unsigned long)args;
+
+ if (xdata->values.line_width != line_width)
+ {
+ xdata->mask |= GCLineWidth;
+ xdata->values.line_width = line_width;
+ XChangeGC(XtDisplayOfObject(w), xdata->gc, GCLineWidth, &xdata->values);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlDrawPoint(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
+{
+ Dl1Point(w, args, data, POINT);
+}
+
+/* ARGSUSED */
+static void
+DlDrawSegments(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawDLPosition *pos;
+ XSegment *segments;
+ XSegment segments_buf[8];
+ Display *display;
+ Window window;
+ Cardinal num_segments, i, j;
+
+ num_segments = pos_ptr->num_pos>>2;
+ segments = (XSegment *)XawStackAlloc(sizeof(XSegment) * num_segments, segments_buf);
+
+ for (i = j = 0; i < num_segments; i++, j = i << 2)
+ {
+ pos = &pos_ptr->pos[j];
+ segments[i].x1 = X_ARG(pos[0]);
+ segments[i].y1 = Y_ARG(pos[1]);
+ segments[i].x2 = X_ARG(pos[2]);
+ segments[i].y2 = Y_ARG(pos[3]);
+ }
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ for (i = 0; i < num_segments; i++)
+ {
+ segments[i].x1 += xpad;
+ segments[i].y1 += ypad;
+ segments[i].x2 += xpad;
+ segments[i].y2 += ypad;
+ }
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ XDrawSegments(display, window, xdata->gc, segments, num_segments);
+
+ XawStackFree(segments, segments_buf);
+}
+
+/* ARGSUSED */
+static void
+DlArcMode(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int arc_mode = (long)args;
+
+ if (xdata->values.arc_mode != arc_mode)
+ {
+ xdata->mask |= GCArcMode;
+ xdata->values.arc_mode = arc_mode;
+ XSetArcMode(XtDisplayOfObject(w), xdata->gc, arc_mode);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlCoordMode(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int mode = (long)args;
+
+ xdata->mode = mode;
+}
+
+/* ARGSUSED */
+static void
+DlShapeMode(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int shape = (long)args;
+
+ xdata->shape = shape;
+}
+
+/* ARGSUSED */
+static void
+DlLineStyle(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int line_style = (long)args;
+
+ if (xdata->values.line_style != line_style)
+ {
+ xdata->mask |= GCLineStyle;
+ xdata->values.line_style = line_style;
+ XChangeGC(XtDisplayOfObject(w), xdata->gc, GCLineStyle, &xdata->values);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlCapStyle(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int cap_style = (long)args;
+
+ if (xdata->values.cap_style != cap_style)
+ {
+ xdata->mask |= GCCapStyle;
+ xdata->values.cap_style = cap_style;
+ XChangeGC(XtDisplayOfObject(w), xdata->gc, GCCapStyle, &xdata->values);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlJoinStyle(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int join_style = (long)args;
+
+ if (xdata->values.join_style != join_style)
+ {
+ xdata->mask |= GCJoinStyle;
+ xdata->values.join_style = join_style;
+ XChangeGC(XtDisplayOfObject(w), xdata->gc, GCJoinStyle, &xdata->values);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlFillStyle(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int fill_style = (long)args;
+
+ if (xdata->values.fill_style != fill_style)
+ {
+ xdata->mask |= GCFillStyle;
+ xdata->values.fill_style = fill_style;
+ XSetFillStyle(XtDisplayOfObject(w), xdata->gc, fill_style);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlFillRule(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int fill_rule = (long)args;
+
+ if (xdata->values.fill_rule != fill_rule)
+ {
+ xdata->mask |= GCFillRule;
+ xdata->values.fill_rule = fill_rule;
+ XSetFillRule(XtDisplayOfObject(w), xdata->gc, fill_rule);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlTile(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawPixmap *pixmap = (XawPixmap *)args;
+
+ if (pixmap && xdata->values.tile != pixmap->pixmap)
+ {
+ xdata->mask |= GCTile;
+ xdata->values.tile = pixmap->pixmap;
+ XSetTile(XtDisplayOfObject(w), xdata->gc, xdata->values.tile);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlStipple(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawPixmap *pixmap = (XawPixmap *)args;
+
+ if (pixmap && xdata->values.stipple != pixmap->pixmap)
+ {
+ xdata->mask |= GCStipple;
+ xdata->values.stipple = pixmap->pixmap;
+ XSetStipple(XtDisplayOfObject(w), xdata->gc, xdata->values.stipple);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlTSOrigin(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
+{
+ Dl1Point(w, args, data, TSORIGIN);
+}
+
+/* ARGSUSED */
+static void
+DlFunction(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int function = (long)args;
+
+ if (function != xdata->values.function)
+ {
+ xdata->mask |= GCFunction;
+ xdata->values.function = function;
+ XSetFunction(XtDisplayOfObject(w), xdata->gc, function);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlPlaneMask(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ unsigned long plane_mask = (unsigned long)args;
+
+ if (xdata->values.plane_mask != plane_mask)
+ {
+ xdata->mask |= GCPlaneMask;
+ xdata->values.plane_mask = plane_mask;
+ XSetPlaneMask(XtDisplayOfObject(w), xdata->gc, plane_mask);
+ }
+}
+
+static void
+DlString(Widget w, XtPointer args, XtPointer data, Bool image)
+{
+ XawDLStringArgs *string = (XawDLStringArgs *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ Display *display;
+ Window window;
+ Position x, y;
+
+ x = X_ARG(string->pos[0]);
+ y = Y_ARG(string->pos[1]);
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ x += xpad;
+ y += ypad;
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ if (image)
+ XDrawImageString(display, window, xdata->gc, x, y, string->string, string->length);
+ else
+ XDrawString(display, window, xdata->gc, x, y, string->string, string->length);
+}
+
+/* ARGSUSED */
+static void
+DlDrawString(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlString(w, args, data, False);
+}
+
+/* ARGSUSED */
+static void
+DlPaintString(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlString(w, args, data, True);
+}
+
+/* ARGSUSED */
+static void
+DlFont(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ Font font = (Font)args;
+
+ if (xdata->values.font != font)
+ {
+ xdata->mask |= GCFont;
+ xdata->values.font = font;
+ XSetFont(XtDisplayOfObject(w), xdata->gc, font);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlDashes(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ char *dashes = args;
+
+ if (xdata->dashes != dashes)
+ {
+ xdata->mask |= GCDashOffset | GCDashList;
+ xdata->dashes = dashes;
+ XSetDashes(XtDisplayOfObject(w), xdata->gc, 0, dashes + 1, *dashes);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlSubwindowMode(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ int subwindow_mode = (long)args;
+
+ if (xdata->values.subwindow_mode != subwindow_mode)
+ {
+ xdata->mask |= GCSubwindowMode;
+ xdata->values.subwindow_mode = subwindow_mode;
+ XSetSubwindowMode(XtDisplayOfObject(w), xdata->gc, subwindow_mode);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlExposures(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ Bool graphics_exposures = (Bool)(long)args;
+
+ if (xdata->values.graphics_exposures != graphics_exposures)
+ {
+ xdata->mask |= GCGraphicsExposures;
+ xdata->values.graphics_exposures = graphics_exposures;
+ XSetGraphicsExposures(XtDisplayOfObject(w), xdata->gc, graphics_exposures);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlClipOrigin(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
+{
+ Dl1Point(w, args, data, CLIPORIGIN);
+}
+
+/* ARGSUSED */
+static void
+DlClipMask(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawPixmap *pixmap = (XawPixmap *)args;
+ Pixmap clip_mask;
+
+ if (pixmap)
+ clip_mask = pixmap->mask ? pixmap->mask : pixmap->pixmap;
+ else
+ clip_mask = None;
+
+ if (xdata->values.clip_mask != clip_mask)
+ {
+ xdata->mask |= GCClipMask;
+ XSetClipMask(XtDisplayOfObject(w), xdata->gc, clip_mask);
+ }
+}
+
+/* ARGSUSED */
+static void
+DlClipRectangles(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ XawDLPosition *pos;
+ XRectangle *rects;
+ XRectangle rects_buf[8];
+ Position x1, y1, x2, y2;
+ Cardinal num_rects, i, j;
+
+ num_rects = pos_ptr->num_pos>>2;
+ rects = (XRectangle *)XawStackAlloc(sizeof(XRectangle) * num_rects, rects_buf);
+
+ for (i = j = 0; i < num_rects; i++, j = i << 2)
+ {
+ pos = &pos_ptr->pos[j];
+ x1 = X_ARG(pos[0]);
+ y1 = Y_ARG(pos[1]);
+ x2 = X_ARG(pos[2]);
+ y2 = Y_ARG(pos[3]);
+ rects[i].x = XawMin(x1, x2);
+ rects[i].y = XawMin(y1, y2);
+ rects[i].width = XawMax(x1, x2) - rects[i].x;
+ rects[i].height = XawMax(y1, y2) - rects[i].y;
+ }
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ for (i = 0; i < num_rects; i++)
+ {
+ rects[i].x += xpad;
+ rects[i].y += ypad;
+ }
+ }
+
+ XSetClipRectangles(XtDisplayOfObject(w), xdata->gc, 0, 0, rects, num_rects, Unsorted);
+
+ XawStackFree(rects, rects_buf);
+}
+
+static void
+DlCopy(Widget w, XtPointer args, XtPointer data, Bool plane)
+{
+ XawDLCopyArgs *copy = (XawDLCopyArgs *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ int src_x, src_y, dst_x, dst_y, width, height, tmp1, tmp2;
+
+ tmp1 = X_ARG(copy->pos[0]);
+ tmp2 = X_ARG(copy->pos[2]);
+ dst_x = XawMin(tmp1, tmp2);
+ width = XawMax(tmp1, tmp2) - dst_x;
+
+ tmp1 = Y_ARG(copy->pos[1]);
+ tmp2 = Y_ARG(copy->pos[3]);
+ dst_y = XawMin(tmp1, tmp2);
+ height = XawMax(tmp1, tmp2) - dst_y;
+
+ src_x = X_ARG(copy->pos[4]);
+ src_y = Y_ARG(copy->pos[5]);
+
+ if (width <= 0)
+ {
+ if (copy->pixmap)
+ width = copy->pixmap->width;
+ else
+ {
+ if ((width = XtWidth(w) - src_x) < 0)
+ width = 0;
+ }
+ }
+ if (height <= 0)
+ {
+ if (copy->pixmap)
+ height = copy->pixmap->height;
+ else
+ {
+ if ((height = XtHeight(w) - src_y) < 0)
+ height = 0;
+ }
+ }
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ src_x += xpad;
+ src_y += ypad;
+ dst_x += xpad;
+ dst_y += ypad;
+ }
+
+ if (plane)
+ XCopyPlane(XtDisplayOfObject(w), XtWindowOfObject(w),
+ copy->pixmap ? copy->pixmap->pixmap : XtWindowOfObject(w),
+ xdata->gc, src_x, src_y, width, height, dst_x, dst_y,
+ copy->plane ? copy->plane : 1);
+ else
+ XCopyArea(XtDisplayOfObject(w),
+ copy->pixmap ? copy->pixmap->pixmap : XtWindowOfObject(w),
+ XtWindowOfObject(w), xdata->gc, src_x, src_y, width, height, dst_x, dst_y);
+}
+
+/* ARGSUSED */
+static void
+DlCopyArea(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlCopy(w, args, data, False);
+}
+
+/* ARGSUSED */
+static void
+DlCopyPlane(Widget w, XtPointer args, XtPointer data,
+ XEvent *event, Region region)
+{
+ DlCopy(w, args, data, True);
+}
+
+/*ARGSUSED*/
+/* Note:
+ * This function is destructive if you set the ts_x_origin, ts_y_origin,
+ * and/or clip-mask. It is meant to be the only function used in a display
+ * list. If you need to use other functions (and those values), be sure to
+ * set them after calling this function.
+ */
+static void
+DlImage(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
+{
+ XawDLImageArgs *image = (XawDLImageArgs *)args;
+ XawXlibData *xdata = (XawXlibData *)data;
+ int x, y, xs, ys, xe, ye, width, height;
+ Display *display;
+ Window window;
+
+ width = image->pixmap->width;
+ height = image->pixmap->height;
+ xs = X_ARG(image->pos[0]);
+ ys = Y_ARG(image->pos[1]);
+ xe = X_ARG(image->pos[2]);
+ ye = Y_ARG(image->pos[3]);
+
+ if (xe <= 0)
+ xe = xs + width;
+ if (ye <= 0)
+ ye = ys + height;
+
+ if (!XtIsWidget(w))
+ {
+ Position xpad, ypad;
+
+ xpad = XtX(w) + XtBorderWidth(w);
+ ypad = XtY(w) + XtBorderWidth(w);
+ xe += xpad;
+ ye += ypad;
+ xe += xpad;
+ ye += ypad;
+ display = XtDisplayOfObject(w);
+ window = XtWindowOfObject(w);
+ }
+ else
+ {
+ display = XtDisplay(w);
+ window = XtWindow(w);
+ }
+
+ for (y = ys; y < ye; y += height)
+ for (x = xs; x < xe; x += width)
+ {
+ XSetClipOrigin(display, xdata->gc, x, y);
+ if (image->pixmap->mask)
+ XSetClipMask(display, xdata->gc, image->pixmap->mask);
+ if (image->depth == 1)
+ XCopyPlane(display, image->pixmap->pixmap, window, xdata->gc,
+ 0, 0, XawMin(width, xe - x), XawMin(height, ye - y),
+ x, y, 1L);
+ else
+ XCopyArea(display, image->pixmap->pixmap, window, xdata->gc, 0, 0,
+ XawMin(width, xe - x), XawMin(height, ye - y), x, y);
+ }
+
+ XSetClipMask(display, xdata->gc, None);
+}
+
+typedef struct _Dl_init Dl_init;
+struct _Dl_init {
+ String name;
+ XawDisplayListProc proc;
+ Cardinal id;
+};
+
+static Dl_init dl_init[] =
+{
+ {"arc-mode", DlArcMode, ARCMODE},
+ {"background", DlBackground, GCBG},
+ {"bg", DlBackground, GCBG},
+ {"cap-style", DlCapStyle, CAPSTYLE},
+ {"clip-mask", DlClipMask, CLIPMASK},
+ {"clip-origin", DlClipOrigin, CLIPORIGIN},
+ {"clip-rectangles", DlClipRectangles, CLIPRECTS},
+ {"clip-rects", DlClipRectangles, CLIPRECTS},
+ {"coord-mode", DlCoordMode, COORDMODE},
+ {"copy-area", DlCopyArea, COPYAREA},
+ {"copy-plane", DlCopyPlane, COPYPLANE},
+ {"dashes", DlDashes, DASHES},
+ {"draw-arc", DlDrawArc, DARC},
+ {"draw-line", DlLine, LINE},
+ {"draw-lines", DlDrawLines, DLINES},
+ {"draw-point", DlDrawPoint, POINT},
+ {"draw-points", DlDrawPoints, POINTS},
+ {"draw-rect", DlDrawRectangle, DRECT},
+ {"draw-rectangle", DlDrawRectangle, DRECT},
+ {"draw-segments", DlDrawSegments, SEGMENTS},
+ {"draw-string", DlDrawString, DSTRING},
+ {"exposures", DlExposures, EXPOSURES},
+ {"fg", DlForeground, GCFG},
+ {"fill-arc", DlFillArc, FARC},
+ {"fill-poly", DlFillPolygon, FPOLY},
+ {"fill-polygon", DlFillPolygon, FPOLY},
+ {"fill-rect", DlFillRectangle, FRECT},
+ {"fill-rectangle", DlFillRectangle, FRECT},
+ {"fill-rule", DlFillRule, FILLRULE},
+ {"fill-style", DlFillStyle, FILLSTYLE},
+ {"font", DlFont, FONT},
+ {"foreground", DlForeground, GCFG},
+ {"function", DlFunction, FUNCTION},
+ {"image", DlImage, IMAGE},
+ {"join-style", DlJoinStyle, JOINSTYLE},
+ {"line", DlLine, LINE},
+ {"line-style", DlLineStyle, LINESTYLE},
+ {"line-width", DlLineWidth, LWIDTH},
+ {"lines", DlDrawLines, DLINES},
+ {"mask", DlMask, MASK},
+ {"paint-string", DlPaintString, PSTRING},
+ {"plane-mask", DlPlaneMask, PLANEMASK},
+ {"point", DlDrawPoint, POINT},
+ {"points", DlDrawPoints, POINTS},
+ {"segments", DlDrawSegments, SEGMENTS},
+ {"shape-mode", DlShapeMode, SHAPEMODE},
+ {"stipple", DlStipple, STIPPLE},
+ {"subwindow-mode", DlSubwindowMode, SUBWMODE},
+ {"tile", DlTile, TILE},
+ {"ts-origin", DlTSOrigin, TSORIGIN},
+ {"umask", DlUmask, UMASK},
+};
+
+void
+XawDisplayListInitialize(void)
+{
+ static Bool first_time = True;
+ XawDLClass *lc;
+ Cardinal i;
+
+ if (first_time == False)
+ return;
+
+ first_time = False;
+
+ lc = XawCreateDisplayListClass(xlib,
+ _Xaw_Xlib_ArgsInitProc,
+ _Xaw_Xlib_ArgsDestructor,
+ _Xaw_Xlib_DataInitProc,
+ _Xaw_Xlib_DataDestructor);
+ for (i = 0; i < sizeof(dl_init) / sizeof(dl_init[0]); i++)
+ (void)XawDeclareDisplayListProc(lc, dl_init[i].name, dl_init[i].proc);
+}
+
+static int
+bcmp_cvt_proc(register _Xconst void *string,
+ register _Xconst void *dlinfo)
+{
+ return (strcmp((String)string, ((Dl_init*)dlinfo)->name));
+}
+
+static long
+read_int(char *cp, char **cpp)
+{
+ long value = 0, sign = 1;
+
+ if (*cp == '-')
+ {
+ sign = -1;
+ ++cp;
+ }
+ else if (*cp == '+')
+ ++cp;
+ value = 0;
+ while (*cp >= '0' && *cp <= '9')
+ {
+ value = value * 10 + *cp - '0';
+ ++cp;
+ }
+ if (cpp)
+ *cpp = cp;
+ return (value * sign);
+}
+
+static void
+read_position(char *arg, XawDLPosition *pos)
+{
+ int ch;
+ char *str = arg;
+
+ ch = *str;
+ if (ch == '-' || ch == '+')
+ {
+ ++str;
+ if (ch == '-')
+ pos->high = True;
+ pos->pos = read_int(str, NULL);
+ }
+ else if (isdigit(ch))
+ {
+ pos->pos = read_int(str, &str);
+ ch = *str++;
+ if (ch == '/')
+ pos->denom = read_int(str, NULL);
+ }
+}
+
+/* ARGSUSED */
+static void *
+_Xaw_Xlib_ArgsInitProc(String proc_name, String *params, Cardinal *num_params,
+ Screen *screen, Colormap colormap, int depth)
+{
+ Cardinal id, i;
+ Dl_init *init;
+ void *retval = XAWDL_CONVERT_ERROR;
+
+ init = (Dl_init *)bsearch(proc_name, dl_init,
+ sizeof(dl_init) / sizeof(dl_init[0]),
+ sizeof(dl_init[0]),
+ bcmp_cvt_proc);
+
+ id = init->id;
+
+ switch (id)
+ {
+ case LINE:
+ case DRECT:
+ case FRECT:
+ if (*num_params == 4)
+ {
+ XawDLPosition *pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * 4);
+
+ for (i = 0; i < 4; i++)
+ read_position(params[i], &pos[i]);
+ retval = (void *)pos;
+ }
+ break;
+ case POINT:
+ case TSORIGIN:
+ case CLIPORIGIN:
+ if (*num_params == 2)
+ {
+ XawDLPosition *pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * 2);
+
+ read_position(params[0], &pos[0]);
+ read_position(params[1], &pos[1]);
+ retval = (void *)pos;
+ }
+ break;
+ case DLINES:
+ case FPOLY:
+ case POINTS:
+ if (*num_params >= 4 && !(*num_params & 1))
+ {
+ XawDLPositionPtr *pos = XtNew(XawDLPositionPtr);
+
+ pos->pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) *
+ *num_params);
+ pos->num_pos = *num_params;
+ for (i = 0; i < *num_params; i++)
+ read_position(params[i], &pos->pos[i]);
+ retval = (void *)pos;
+ }
+ break;
+ case SEGMENTS:
+ case CLIPRECTS:
+ if (*num_params >= 4 && !(*num_params % 4))
+ {
+ XawDLPositionPtr *pos = XtNew(XawDLPositionPtr);
+
+ pos->pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) *
+ *num_params);
+ pos->num_pos = *num_params;
+ for (i = 0; i < *num_params; i++)
+ read_position(params[i], &pos->pos[i]);
+ retval = (void *)pos;
+ }
+ break;
+ case DARC:
+ case FARC:
+ if (*num_params >= 4 && *num_params <= 6)
+ {
+ XawDLArcArgs *args = (XawDLArcArgs *)XtCalloc(1, sizeof(XawDLArcArgs));
+
+ args->angle1 = 0;
+ args->angle2 = 360;
+ for (i = 0; i < 4; i++)
+ read_position(params[i], &args->pos[i]);
+ if (*num_params > 4)
+ args->angle1 = read_int(params[4], NULL);
+ if (*num_params > 5)
+ args->angle2 = read_int(params[5], NULL);
+ args->angle1 *= 64;
+ args->angle2 *= 64;
+ retval = (void *)args;
+ }
+ break;
+ case GCFG:
+ case GCBG:
+ {
+ XColor xcolor;
+
+ if (*num_params == 1 &&
+ XAllocNamedColor(DisplayOfScreen(screen), colormap,
+ params[0], &xcolor, &xcolor))
+ retval = (void *)xcolor.pixel;
+ } break;
+ case MASK:
+ case UMASK:
+ if (*num_params == 0)
+ retval = NULL;
+ break;
+ case LWIDTH:
+ if (*num_params == 1)
+ retval = (void *)read_int(params[0], NULL);
+ break;
+ case ARCMODE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "pieslice") == 0)
+ retval = (void *)ArcPieSlice;
+ else if (XmuCompareISOLatin1(params[0], "chord") == 0)
+ retval = (void *)ArcChord;
+ }
+ break;
+ case COORDMODE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "origin") == 0)
+ retval = (void *)CoordModeOrigin;
+ else if (XmuCompareISOLatin1(params[0], "previous") == 0)
+ retval = (void *)CoordModePrevious;
+ }
+ break;
+ case SHAPEMODE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "complex") == 0)
+ retval = (void *)Complex;
+ else if (XmuCompareISOLatin1(params[0], "convex") == 0)
+ retval = (void *)Convex;
+ else if (XmuCompareISOLatin1(params[0], "nonconvex") == 0)
+ retval = (void *)Nonconvex;
+ }
+ break;
+ case LINESTYLE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "solid") == 0)
+ retval = (void *)LineSolid;
+ else if (XmuCompareISOLatin1(params[0], "onoffdash") == 0)
+ retval = (void *)LineOnOffDash;
+ else if (XmuCompareISOLatin1(params[0], "doubledash") == 0)
+ retval = (void *)LineDoubleDash;
+ }
+ break;
+ case CAPSTYLE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "notlast") == 0)
+ retval = (void *)CapNotLast;
+ else if (XmuCompareISOLatin1(params[0], "butt") == 0)
+ retval = (void *)CapButt;
+ else if (XmuCompareISOLatin1(params[0], "round") == 0)
+ retval = (void *)CapRound;
+ else if (XmuCompareISOLatin1(params[0], "projecting") == 0)
+ retval = (void *)CapProjecting;
+ }
+ break;
+ case JOINSTYLE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "miter") == 0)
+ retval = (void *)JoinMiter;
+ else if (XmuCompareISOLatin1(params[0], "round") == 0)
+ retval = (void *)JoinRound;
+ else if (XmuCompareISOLatin1(params[0], "bevel") == 0)
+ retval = (void *)JoinBevel;
+ }
+ break;
+ case FILLSTYLE:
+ if (*num_params == 1)
+ {
+ if (*num_params && XmuCompareISOLatin1(params[0], "solid") == 0)
+ retval = (void *)FillSolid;
+ else if (*num_params && XmuCompareISOLatin1(params[0], "tiled") == 0)
+ retval = (void *)FillTiled;
+ else if (*num_params && XmuCompareISOLatin1(params[0], "stippled") == 0)
+ retval = (void *)FillStippled;
+ else if (*num_params && XmuCompareISOLatin1(params[0], "opaquestippled") == 0)
+ retval = (void *)FillOpaqueStippled;
+ }
+ break;
+ case FILLRULE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "evenodd") == 0)
+ retval = (void *)EvenOddRule;
+ else if (XmuCompareISOLatin1(params[0], "winding") == 0)
+ retval = (void *)WindingRule;
+ }
+ break;
+ case TILE:
+ if (*num_params == 1)
+ retval = (void *)XawLoadPixmap(params[0], screen, colormap, depth);
+ if (retval == NULL)
+ {
+ XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
+ XtRPixmap);
+ retval = XAWDL_CONVERT_ERROR;
+ }
+ break;
+ case STIPPLE:
+ if (*num_params == 1)
+ retval = (void *)XawLoadPixmap(params[0], screen, colormap, 1);
+ if (retval == NULL)
+ {
+ XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
+ XtRBitmap);
+ retval = XAWDL_CONVERT_ERROR;
+ }
+ break;
+ case FUNCTION:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "set") == 0)
+ retval = (void *)GXset;
+ else if (XmuCompareISOLatin1(params[0], "clear") == 0)
+ retval = (void *)GXclear;
+ else if (XmuCompareISOLatin1(params[0], "and") == 0)
+ retval = (void *)GXand;
+ else if (XmuCompareISOLatin1(params[0], "andreverse") == 0)
+ retval = (void *)GXandReverse;
+ else if (XmuCompareISOLatin1(params[0], "copy") == 0)
+ retval = (void *)GXcopy;
+ else if (XmuCompareISOLatin1(params[0], "andinverted") == 0)
+ retval = (void *)GXandInverted;
+ else if (XmuCompareISOLatin1(params[0], "noop") == 0)
+ retval = (void *)GXnoop;
+ else if (XmuCompareISOLatin1(params[0], "xor") == 0)
+ retval = (void *)GXxor;
+ else if (XmuCompareISOLatin1(params[0], "or") == 0)
+ retval = (void *)GXor;
+ else if (XmuCompareISOLatin1(params[0], "nor") == 0)
+ retval = (void *)GXnor;
+ else if (XmuCompareISOLatin1(params[0], "equiv") == 0)
+ retval = (void *)GXequiv;
+ else if (XmuCompareISOLatin1(params[0], "invert") == 0)
+ retval = (void *)GXinvert;
+ else if (XmuCompareISOLatin1(params[0], "orreverse") == 0)
+ retval = (void *)GXorReverse;
+ else if (XmuCompareISOLatin1(params[0], "copyinverted") == 0)
+ retval = (void *)GXcopyInverted;
+ else if (XmuCompareISOLatin1(params[0], "nand") == 0)
+ retval = (void *)GXnand;
+ }
+ break;
+ case PLANEMASK:
+ if (*num_params == 1)
+ retval = (void *)read_int(params[0], NULL);
+ break;
+ case DSTRING:
+ case PSTRING:
+ if (*num_params == 3)
+ {
+ XawDLStringArgs *string = (XawDLStringArgs *)
+ XtCalloc(1, sizeof(XawDLStringArgs));
+
+ read_position(params[0], &string->pos[0]);
+ read_position(params[1], &string->pos[1]);
+ string->string = XtNewString(params[2]);
+ string->length = strlen(string->string);
+ retval = string;
+ }
+ break;
+ case FONT:
+ if (*num_params == 1)
+ retval = (void *)XLoadFont(DisplayOfScreen(screen), params[0]);
+ break;
+ case DASHES:
+ if (*num_params && *num_params < 127)
+ {
+ char *dashes;
+
+ dashes = XtMalloc(*num_params + 1);
+
+ for (i = 0; i < *num_params; i++)
+ dashes[i + 1] = read_int(params[i], NULL);
+ *dashes = *num_params;
+ retval = dashes;
+ }
+ break;
+ case SUBWMODE:
+ if (*num_params == 1)
+ {
+ if (XmuCompareISOLatin1(params[0], "clipbychildren") == 0)
+ retval = (void *)ClipByChildren;
+ else if (XmuCompareISOLatin1(params[0], "includeinferiors") == 0)
+ retval = (void *)IncludeInferiors;
+ }
+ break;
+ case EXPOSURES:
+ if (*num_params == 1)
+ {
+ if (isdigit(params[0][0]) || params[0][0] == '+' || params[0][0] == '-')
+ retval = (void *)read_int(params[0], NULL);
+ else if (XmuCompareISOLatin1(params[0], "true") == 0 ||
+ XmuCompareISOLatin1(params[0], "on") == 0)
+ retval = (void *)True;
+ else if (XmuCompareISOLatin1(params[0], "false") == 0 ||
+ XmuCompareISOLatin1(params[0], "off") == 0)
+ retval = (void *)False;
+ }
+ break;
+ case CLIPMASK:
+ if (*num_params == 1)
+ retval = (void *)XawLoadPixmap(params[0], screen, colormap, 1);
+ if (retval == NULL)
+ {
+ retval = XAWDL_CONVERT_ERROR;
+ XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
+ XtRPixmap);
+ }
+ break;
+ case COPYAREA:
+ case COPYPLANE:
+ if (*num_params > 2 && *num_params <= 7 + (id == COPYPLANE))
+ {
+ XawDLCopyArgs *args = (XawDLCopyArgs *)
+ XtCalloc(1, sizeof(XawDLCopyArgs));
+
+ retval = args;
+ if (params[0][0] == '\0' || strcmp(params[0], ".") == 0)
+ args->pixmap = NULL;
+ else
+ {
+ args->pixmap = XawLoadPixmap(params[0], screen, colormap, id == COPYPLANE ? 1 : depth);
+ if (args->pixmap == NULL)
+ {
+ XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
+ XtRBitmap);
+ retval = XAWDL_CONVERT_ERROR;
+ XtFree((char *)args);
+ }
+ }
+ if (retval != XAWDL_CONVERT_ERROR)
+ {
+ for (i = 1; i < *num_params && i < 7; i++)
+ read_position(params[i], &args->pos[i - 1]);
+ if (*num_params > 7)
+ args->plane = read_int(params[7], NULL);
+ }
+ }
+ break;
+ case IMAGE:
+ if (*num_params > 2 && *num_params <= 7)
+ {
+ XawDLImageArgs *args = (XawDLImageArgs *)
+ XtCalloc(1, sizeof(XawDLImageArgs));
+
+ retval = args;
+ args->pixmap = XawLoadPixmap(params[0], screen, colormap, depth);
+ if (args->pixmap == NULL)
+ {
+ XtDisplayStringConversionWarning(DisplayOfScreen(screen),
+ (String)params[0], XtRPixmap);
+ retval = XAWDL_CONVERT_ERROR;
+ XtFree((char *)args);
+ }
+ else
+ {
+ args->depth = depth;
+ for (i = 1; i < *num_params && i < 5; i++)
+ read_position(params[i], &args->pos[i - 1]);
+ }
+ }
+ break;
+ }
+
+ return (retval);
+}
+
+/* ARGSUSED */
+static void *
+_Xaw_Xlib_DataInitProc(String class_name,
+ Screen *screen, Colormap colormap, int depth)
+{
+ XawXlibData *data;
+ Window tmp_win;
+
+ data = (XawXlibData *)XtMalloc(sizeof(XawXlibData));
+
+ tmp_win = XCreateWindow(DisplayOfScreen(screen),
+ RootWindowOfScreen(screen),
+ 0, 0, 1, 1, 1, depth,
+ InputOutput, (Visual *)CopyFromParent, 0, NULL);
+ data->mask = 0;
+ data->gc = XCreateGC(DisplayOfScreen(screen), tmp_win, 0, &data->values);
+ XDestroyWindow(DisplayOfScreen(screen), tmp_win);
+ data->shape = Complex;
+ data->mode = CoordModeOrigin;
+ data->dashes = NULL;
+
+ return ((void *)data);
+}
+
+/* ARGSUSED */
+static void
+_Xaw_Xlib_ArgsDestructor(Display *display, String proc_name, XtPointer args,
+ String *params, Cardinal *num_params)
+{
+ Cardinal id;
+ Dl_init *init;
+
+ init = (Dl_init *)bsearch(proc_name, dl_init,
+ sizeof(dl_init) / sizeof(dl_init[0]),
+ sizeof(dl_init[0]),
+ bcmp_cvt_proc);
+
+ id = init->id;
+
+ switch (id)
+ {
+ case LINE:
+ case DRECT:
+ case FRECT:
+ case DARC:
+ case FARC:
+ case POINT:
+ case TSORIGIN:
+ case DASHES:
+ case CLIPORIGIN:
+ case COPYAREA:
+ case COPYPLANE:
+ case IMAGE:
+ XtFree(args);
+ break;
+ case DSTRING:
+ case PSTRING:
+ {
+ XawDLStringArgs *string = (XawDLStringArgs *)args;
+ XtFree(string->string);
+ XtFree(args);
+ } break;
+ case DLINES:
+ case FPOLY:
+ case POINTS:
+ case SEGMENTS:
+ case CLIPRECTS:
+ {
+ XawDLPositionPtr *ptr = (XawDLPositionPtr *)args;
+
+ XtFree((char *)ptr->pos);
+ XtFree(args);
+ } break;
+ }
+}
+
+/* ARGSUSED */
+static void
+_Xaw_Xlib_DataDestructor(Display *display, String class_name, XtPointer data)
+{
+ if (data)
+ {
+ XawXlibData *xdata = (XawXlibData *)data;
+
+ XFreeGC(display, xdata->gc);
+ if (xdata->dashes)
+ XtFree(xdata->dashes);
+ XtFree((char *)data);
+ }
+}
+
+/* Start of DLInfo Management Functions */
+static int
+qcmp_dlist_info(register _Xconst void *left, register _Xconst void *right)
+{
+ return (strcmp((*(XawDLInfo **)left)->name, (*(XawDLInfo **)right)->name));
+}
+
+Bool XawDeclareDisplayListProc(XawDLClass *lc, String name,
+ XawDisplayListProc proc)
+{
+ XawDLInfo *info;
+
+ if (!lc || !proc || !name || name[0] == '\0')
+ return (False);
+
+ if ((info = _XawFindDLInfo(lc, name)) != NULL)
+ /* Since the data structures to the displayList classes are(should be)
+ * opaque, it is not a good idea to allow overriding a displayList
+ * procedure; it's better to choose another name or class name!
+ */
+ return (False);
+
+ info = (XawDLInfo *)XtMalloc(sizeof(XawDLInfo));
+ info->name = XtNewString(name);
+ info->qname = XrmStringToQuark(info->name);
+ info->proc = proc;
+
+ if (!lc->num_infos)
+ {
+ lc->num_infos = 1;
+ lc->infos = (XawDLInfo **)XtMalloc(sizeof(XawDLInfo*));
+ }
+ else
+ {
+ ++lc->num_infos;
+ lc->infos = (XawDLInfo **)
+ XtRealloc((char *)lc->infos, sizeof(XawDLInfo*) * lc->num_infos);
+ }
+ lc->infos[lc->num_infos - 1] = info;
+
+ if (lc->num_infos > 1)
+ qsort(lc->infos, lc->num_infos, sizeof(XawDLInfo*), qcmp_dlist_info);
+
+ return (True);
+}
+
+static int
+bcmp_dlist_info(register _Xconst void *string,
+ register _Xconst void *dlinfo)
+{
+ return (strcmp((String)string, (*(XawDLClass **)dlinfo)->name));
+}
+
+static XawDLInfo *
+_XawFindDLInfo(XawDLClass *lc, String name)
+{
+ XawDLInfo **info;
+
+ if (!lc->infos)
+ return (NULL);
+
+ info = (XawDLInfo **)bsearch(name, lc->infos, lc->num_infos,
+ sizeof(XawDLInfo*), bcmp_dlist_info);
+
+ return (info ? *info : NULL);
+}
+
+/* Start of DLClass Management Functions */
+XawDLClass *
+XawGetDisplayListClass(String name)
+{
+ return (_XawFindDLClass(name));
+}
+
+static int
+qcmp_dlist_class(register _Xconst void *left, register _Xconst void *right)
+{
+ return (strcmp((*(XawDLClass **)left)->name, (*(XawDLClass **)right)->name));
+}
+
+XawDLClass *
+XawCreateDisplayListClass(String name,
+ XawDLArgsInitProc args_init,
+ XawDLArgsDestructor args_destructor,
+ XawDLDataInitProc data_init,
+ XawDLDataDestructor data_destructor)
+{
+ XawDLClass *lc;
+
+ if (!name || name[0] == '\0')
+ return (NULL);
+
+ lc = (XawDLClass *)XtMalloc(sizeof(XawDLClass));
+ lc->name = XtNewString(name);
+ lc->infos = NULL;
+ lc->num_infos = 0;
+ lc->args_init = args_init;
+ lc->args_destructor = args_destructor;
+ lc->data_init = data_init;
+ lc->data_destructor = data_destructor;
+
+ if (!classes)
+ {
+ num_classes = 1;
+ classes = (XawDLClass **)XtMalloc(sizeof(XawDLClass));
+ }
+ else
+ {
+ ++num_classes;
+ classes = (XawDLClass **)XtRealloc((char *)classes,
+ sizeof(XawDLClass) * num_classes);
+ }
+ classes[num_classes - 1] = lc;
+
+ if (num_classes > 1)
+ qsort(&classes[0], num_classes, sizeof(XawDLClass*), qcmp_dlist_class);
+
+ return (lc);
+}
+
+static int
+bcmp_dlist_class(register _Xconst void *string,
+ register _Xconst void *dlist)
+{
+ return (strcmp((String)string, (*(XawDLClass **)dlist)->name));
+}
+
+static XawDLClass *
+_XawFindDLClass(String name)
+{
+ XawDLClass **lc;
+
+ if (!classes)
+ return (NULL);
+
+ lc = (XawDLClass **)bsearch(name, &classes[0], num_classes,
+ sizeof(XawDLClass*), bcmp_dlist_class);
+
+ return (lc ? *lc : NULL);
+}
+
+#endif /* OLDXAW */
diff --git a/libXaw/src/Form.c b/libXaw/src/Form.c index 58723e845..9f5ac8271 100644 --- a/libXaw/src/Form.c +++ b/libXaw/src/Form.c @@ -1,1106 +1,1106 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/Converters.h> -#include <X11/Xaw/FormP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void XawFormChangeManaged(Widget); -static void XawFormClassInitialize(void); -static void XawFormClassPartInitialize(WidgetClass); -static void XawFormConstraintInitialize(Widget, Widget, ArgList, Cardinal*); -static Boolean XawFormConstraintSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static XtGeometryResult XawFormGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawFormInitialize(Widget, Widget, ArgList, Cardinal*); -#ifndef OLDXAW -static void XawFormRealize(Widget, Mask*, XSetWindowAttributes*); -static void XawFormRedisplay(Widget, XEvent*, Region); -#endif -static XtGeometryResult XawFormQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawFormResize(Widget); -static Boolean XawFormSetValues(Widget, Widget, Widget, ArgList, Cardinal*); -static Boolean Layout(FormWidget, unsigned int, unsigned int, Bool); - -/* - * Prototypes - */ -static void _CvtStringToEdgeType(XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr); -static Bool ChangeFormGeometry(Widget, Bool, unsigned int, unsigned int, - Dimension*, Dimension*); -Boolean CvtEdgeTypeToString(Display*, XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr, XtPointer*); -static void LayoutChild(Widget); -static int TransformCoord(int, unsigned int, unsigned int, XtEdgeType); -static void ResizeChildren(Widget); - -/* - * Initialization - */ -#ifndef OLDXAW -static XtActionsRec actions[] = { - {"set-values", XawSetValuesAction}, - {"get-values", XawGetValuesAction}, - {"declare", XawDeclareAction}, - {"call-proc", XawCallProcAction}, -}; -#endif - -static XrmQuark QchainLeft, QchainRight, QchainTop, QchainBottom, Qrubber; - -#define default_value -99999 -#define Offset(field) XtOffsetOf(FormRec, form.field) -static XtResource resources[] = { - { - XtNdefaultDistance, - XtCThickness, - XtRInt, - sizeof(int), - Offset(default_spacing), - XtRImmediate, - (XtPointer)4 - }, -#ifndef OLDXAW - { - XawNdisplayList, - XawCDisplayList, - XawRDisplayList, - sizeof(XawDisplayList*), - Offset(display_list), - XtRImmediate, - NULL - }, -#endif -}; -#undef Offset - -#define defEdge XtRubber - -#define Offset(field) XtOffsetOf(FormConstraintsRec, form.field) -static XtResource formConstraintResources[] = { - { - XtNtop, - XtCEdge, - XtREdgeType, - sizeof(XtEdgeType), - Offset(top), - XtRImmediate, - (XtPointer)defEdge - }, - { - XtNbottom, - XtCEdge, - XtREdgeType, - sizeof(XtEdgeType), - Offset(bottom), - XtRImmediate, - (XtPointer)defEdge - }, - { - XtNleft, - XtCEdge, - XtREdgeType, - sizeof(XtEdgeType), - Offset(left), - XtRImmediate, - (XtPointer)defEdge - }, - { - XtNright, - XtCEdge, - XtREdgeType, - sizeof(XtEdgeType), - Offset(right), - XtRImmediate, - (XtPointer)defEdge - }, - { - XtNhorizDistance, - XtCThickness, - XtRInt, - sizeof(int), - Offset(dx), - XtRImmediate, - (XtPointer)default_value - }, - { - XtNfromHoriz, - XtCWidget, - XtRWidget, - sizeof(Widget), - Offset(horiz_base), - XtRWidget, - NULL - }, - { - XtNvertDistance, - XtCThickness, - XtRInt, - sizeof(int), - Offset(dy), - XtRImmediate, - (XtPointer)default_value - }, - { - XtNfromVert, - XtCWidget, - XtRWidget, - sizeof(Widget), - Offset(vert_base), - XtRWidget, - NULL - }, - { - XtNresizable, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - Offset(allow_resize), - XtRImmediate, - (XtPointer)False - }, -}; -#undef Offset - -FormClassRec formClassRec = { - /* core */ - { - (WidgetClass)&constraintClassRec, /* superclass */ - "Form", /* class_name */ - sizeof(FormRec), /* widget_size */ - XawFormClassInitialize, /* class_initialize */ - XawFormClassPartInitialize, /* class_part_init */ - False, /* class_inited */ - XawFormInitialize, /* initialize */ - NULL, /* initialize_hook */ -#ifndef OLDXAW - XawFormRealize, /* realize */ - actions, /* actions */ - XtNumber(actions), /* num_actions */ -#else - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ -#endif - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XawFormResize, /* resize */ -#ifndef OLDXAW - XawFormRedisplay, /* expose */ -#else - XtInheritExpose, /* expose */ -#endif - XawFormSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XawFormQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XawFormGeometryManager, /* geometry_manager */ - XawFormChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - /* constraint */ - { - formConstraintResources, /* subresourses */ - XtNumber(formConstraintResources), /* subresource_count */ - sizeof(FormConstraintsRec), /* constraint_size */ - XawFormConstraintInitialize, /* initialize */ - NULL, /* destroy */ - XawFormConstraintSetValues, /* set_values */ - NULL, /* extension */ - }, - /* form */ - { - Layout, /* layout */ - }, -}; - -WidgetClass formWidgetClass = (WidgetClass)&formClassRec; - -/* - * Implementation - */ -#ifndef OLDXAW -static void -XawFormRealize(Widget w, Mask *mask, XSetWindowAttributes *attr) -{ - XawPixmap *pixmap; - - (*formWidgetClass->core_class.superclass->core_class.realize)(w, mask, attr); - - if (w->core.background_pixmap > XtUnspecifiedPixmap) { - pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w), - w->core.colormap, w->core.depth); - if (pixmap && pixmap->mask) - XawReshapeWidget(w, pixmap); - } -} - -static void -XawFormRedisplay(Widget w, XEvent *event, Region region) -{ - FormWidget xaw = (FormWidget)w; - - if (xaw->form.display_list) - XawRunDisplayList(w, xaw->form.display_list, event, region); -} -#endif - -/*ARGSUSED*/ -static void -_CvtStringToEdgeType(XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal) -{ - static XtEdgeType edgeType; - XrmQuark q; - char name[12]; - - XmuNCopyISOLatin1Lowered(name, (char*)fromVal->addr, sizeof(name)); - q = XrmStringToQuark(name); - - if (q == QchainLeft) - edgeType = XtChainLeft; - else if (q == QchainRight) - edgeType = XtChainRight; - else if (q == QchainTop) - edgeType = XtChainTop; - else if (q == QchainBottom) - edgeType = XtChainBottom; - else if (q == Qrubber) - edgeType = XtRubber; - else { - XtStringConversionWarning(fromVal->addr, XtREdgeType); - toVal->size = 0; - toVal->addr = NULL; - return; - } - - toVal->size = sizeof(XtEdgeType); - toVal->addr = (XPointer)&edgeType; -} - -/*ARGSUSED*/ -Boolean -CvtEdgeTypeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal, XtPointer *data) -{ - static String buffer; - Cardinal size; - - switch (*(XtEdgeType *)fromVal->addr) { - case XtChainLeft: - buffer = XtEchainLeft; - break; - case XtChainRight: - buffer = XtEchainRight; - break; - case XtChainTop: - buffer = XtEchainTop; - break; - case XtChainBottom: - buffer = XtEchainBottom; - break; - case XtRubber: - buffer = XtErubber; - break; - default: - XawTypeToStringWarning(dpy, XtREdgeType); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -static void -XawFormClassInitialize(void) -{ - static XtConvertArgRec parentCvtArgs[] = { - {XtBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.parent), - sizeof(Widget)} - }; - - char name[12]; - - XawInitializeWidgetSet(); - XmuNCopyISOLatin1Lowered(name, XtEchainLeft, sizeof(name)); - QchainLeft = XrmStringToQuark(name); - XmuNCopyISOLatin1Lowered(name, XtEchainRight, sizeof(name)); - QchainRight = XrmStringToQuark(name); - XmuNCopyISOLatin1Lowered(name, XtEchainTop, sizeof(name)); - QchainTop = XrmStringToQuark(name); - XmuNCopyISOLatin1Lowered(name, XtEchainBottom, sizeof(name)); - QchainBottom = XrmStringToQuark(name); - XmuNCopyISOLatin1Lowered(name, XtErubber, sizeof(name)); - Qrubber = XrmStringToQuark(name); - - XtAddConverter(XtRString, XtREdgeType, _CvtStringToEdgeType, NULL, 0); - XtSetTypeConverter(XtREdgeType, XtRString, CvtEdgeTypeToString, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRString, XtRWidget, XmuNewCvtStringToWidget, - parentCvtArgs, XtNumber(parentCvtArgs), XtCacheNone, - NULL); - XtSetTypeConverter(XtRWidget, XtRString, XmuCvtWidgetToString, - NULL, 0, XtCacheNone, NULL); -} - -static void -XawFormClassPartInitialize(WidgetClass cclass) -{ - FormWidgetClass c = (FormWidgetClass)cclass; - FormWidgetClass super = (FormWidgetClass)c->core_class.superclass; - - if (c->form_class.layout == XtInheritLayout) - c->form_class.layout = super->form_class.layout; -} - -/*ARGSUSED*/ -static void -XawFormInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - FormWidget fw = (FormWidget)cnew; - - fw->form.old_width = fw->form.old_height = 0; - fw->form.no_refigure = False; - fw->form.needs_relayout = False; - fw->form.resize_in_layout = True; - fw->form.resize_is_no_op = False; -} - -/* - * Function: - * ChangeFormGeometry - * - * Parameters: - * w - Form widget - * query_only - is only a query? - * width - new width and height - * height - "" - * ret_width - actual size the form is allowed to resize to (return) - * ret_height - "" - * - * Description: - * Ask the parent to change the form widget's geometry. - * - * Returns: - * True of children may always be resized - */ -static Bool -ChangeFormGeometry(Widget w, Bool query_only, - unsigned int width, unsigned int height, - Dimension *ret_width, Dimension *ret_height) -{ - FormWidget fw = (FormWidget)w; - Boolean always_resize_children; - XtGeometryResult result; - XtWidgetGeometry request, return_request; - - /* - * If we are already at the desired size then there is no need - * to ask our parent of we can change size - */ - if (width == XtWidth(fw) && height == XtHeight(fw)) - return (True); - - request.width = width; - request.height = height; - request.request_mode = CWWidth | CWHeight; - if (query_only) - request.request_mode |= XtCWQueryOnly; - - /* - * Do no invoke the resize rules if our size changes here - */ - fw->form.resize_is_no_op = True; - - result = XtMakeGeometryRequest(w, &request, &return_request); - if (result == XtGeometryAlmost) { - request = return_request; - (void)XtMakeGeometryRequest(w, &request, &return_request); - always_resize_children = False; - } - else - always_resize_children = result == XtGeometryYes; - - fw->form.resize_is_no_op = False; - - if (ret_width != NULL) - *ret_width = request.width; - if (ret_height != NULL) - *ret_height = request.height; - - return (always_resize_children); -} - -/* - * Function: - * Layout - * - * Parameters: - * fw - Form widget - * width - unused - * height - "" - * force_relayout - will force the children to be moved, even if some - * go past the edge of the form - * - * Description: - * Moves all the children around. - * - * Returns: - * True if the children are allowed to move from their - * current locations to the new ones. - */ -/*ARGSUSED*/ -static Boolean -Layout(FormWidget fw, unsigned int width, unsigned int height, - Bool force_relayout) -{ - int num_children = fw->composite.num_children; - WidgetList children = fw->composite.children; - Widget *childP; - Dimension maxx, maxy; - Boolean ret_val; - - for (childP = children; childP - children < num_children; childP++) { - FormConstraints form = (FormConstraints)(*childP)->core.constraints; - form->form.layout_state = LayoutPending; - } - - maxx = maxy = 1; - for (childP = children; childP - children < num_children; childP++) { - if (XtIsManaged(*childP)) { - FormConstraints form; - Position x, y; - - form = (FormConstraints)(*childP)->core.constraints; - - LayoutChild(*childP); - - x = form->form.new_x + XtWidth(*childP) - + (XtBorderWidth(*childP) << 1); - if (x > (int)maxx) - maxx = x; - - y = form->form.new_y + XtHeight(*childP) - + (XtBorderWidth(*childP) << 1); - if (y > (int)maxy) - maxy = y; - } - } - - fw->form.preferred_width = (maxx += fw->form.default_spacing); - fw->form.preferred_height = (maxy += fw->form.default_spacing); - - if (fw->form.resize_in_layout) { - Boolean always_resize_children; - - always_resize_children = - ChangeFormGeometry((Widget)fw, False, maxx, maxy, NULL, NULL); - -#ifdef OLDXAW - fw->form.old_width = fw->core.width; - fw->form.old_height = fw->core.height; -#endif - - if (force_relayout) - ret_val = True; - else - ret_val = always_resize_children || - (XtWidth(fw) >= maxx && XtHeight(fw) >= maxy); - - if (ret_val) - ResizeChildren((Widget)fw); - } - else - ret_val = False; - - fw->form.needs_relayout = False; - - return (ret_val); -} - -/* - * Function: - * ResizeChildren - * - * Parameters: - * w - form widget - * - * Description: - * Resizes all children to new_x and new_y. - */ -static void -ResizeChildren(Widget w) -{ - FormWidget fw = (FormWidget)w; - int num_children = fw->composite.num_children; - WidgetList children = fw->composite.children; - Widget *childP; - - for (childP = children; childP - children < num_children; childP++) { - FormConstraints form; - Position x, y; - - if (!XtIsManaged(*childP)) - continue; - - form = (FormConstraints)(*childP)->core.constraints; - - if (fw->form.old_width && fw->form.old_height) { - x = TransformCoord(form->form.new_x, fw->form.old_width, - XtWidth(fw), form->form.left); - y = TransformCoord(form->form.new_y, fw->form.old_height, - XtHeight(fw), form->form.top); - } - else { - x = form->form.new_x; - y = form->form.new_y; - } - - if (fw->form.no_refigure) { - /* - * I am changing the widget wrapper w/o modifing the window. This is - * risky, but I can get away with it since I am the parent of this - * widget, and he must ask me for any geometry changes - * - * The window will be updated when no_refigure is set back to False - */ - XtX(*childP) = x; - XtY(*childP) = y; - } - else - XtMoveWidget(*childP, x, y); - } -} - -static void -LayoutChild(Widget w) -{ - FormConstraints form = (FormConstraints)w->core.constraints; - Widget ref; - - switch (form->form.layout_state) { - case LayoutPending: - form->form.layout_state = LayoutInProgress; - break; - case LayoutDone: - return; - case LayoutInProgress: { - String subs[2]; - Cardinal num_subs = 2; - subs[0] = w->core.name; - subs[1] = w->core.parent->core.name; - - XtAppWarningMsg(XtWidgetToApplicationContext(w), - "constraintLoop", "xawFormLayout", "XawToolkitError", - "constraint loop detected while laying out " - "child '%s' in FormWidget '%s'", - subs, &num_subs); - } return; - } - - form->form.new_x = form->form.dx; - form->form.new_y = form->form.dy; - if ((ref = form->form.horiz_base) != NULL) { - FormConstraints ref_form = (FormConstraints)ref->core.constraints; - - LayoutChild(ref); - form->form.new_x += ref_form->form.new_x + XtWidth(ref) + - (XtBorderWidth(ref) << 1); - } - if ((ref = form->form.vert_base) != NULL) { - FormConstraints ref_form = (FormConstraints)ref->core.constraints; - - LayoutChild(ref); - form->form.new_y += ref_form->form.new_y + XtHeight(ref) + - (XtBorderWidth(ref) << 1); - } - - form->form.layout_state = LayoutDone; -} - -static int -TransformCoord(int loc, unsigned int old, unsigned int cnew, XtEdgeType type) -{ - if (type == XtRubber) { - if ((int)old > 0) - loc = (int)(loc * ((double)cnew / (double)old)); - } - else if (type == XtChainBottom || type == XtChainRight) - loc += (int)cnew - (int)old; - - return (loc); -} - -static void -XawFormResize(Widget w) -{ - FormWidget fw = (FormWidget)w; - WidgetList children = fw->composite.children; - int num_children = fw->composite.num_children; - Widget *childP; - int x, y; - int width, height; - Boolean unmap = XtIsRealized(w) && w->core.mapped_when_managed && - XtIsManaged(w); - - if (unmap) - XtUnmapWidget(w); - - if (!fw->form.resize_is_no_op) - for (childP = children; childP - children < num_children; childP++) { - FormConstraints form = (FormConstraints)(*childP)->core.constraints; - - if (!XtIsManaged(*childP)) - continue; - -#ifndef OLDXAW - x = TransformCoord(form->form.virtual_x, fw->form.old_width, - XtWidth(fw), form->form.left); - y = TransformCoord(form->form.virtual_y, fw->form.old_height, - XtHeight(fw), form->form.top); - width = TransformCoord(form->form.virtual_x + - form->form.virtual_width + - (XtBorderWidth(*childP) << 1), - fw->form.old_width, XtWidth(fw), - form->form.right) - - (x + (XtBorderWidth(*childP) << 1)); - height = TransformCoord(form->form.virtual_y + - form->form.virtual_height + - (XtBorderWidth(*childP) << 1), - fw->form.old_height, XtHeight(fw), - form->form.bottom) - - (y + (XtBorderWidth(*childP) << 1)); -#else - x = TransformCoord(XtX(*childP), fw->form.old_width, - XtWidth(fw), form->form.left); - y = TransformCoord(XtY(*childP), fw->form.old_height, - XtHeight(fw), form->form.top); - width = TransformCoord(XtX(*childP) + form->form.virtual_width + - (XtBorderWidth(*childP) << 1), - fw->form.old_width, XtWidth(fw), - form->form.right) - - (x + (XtBorderWidth(*childP) << 1)); - height = TransformCoord(XtY(*childP) + form->form.virtual_height + - (XtBorderWidth(*childP) << 1), - fw->form.old_height, XtHeight(fw), - form->form.bottom) - - (y + (XtBorderWidth(*childP) << 1)); - form->form.virtual_width = width; - form->form.virtual_height = height; -#endif - - width = width < 1 ? 1 : width; - height = height < 1 ? 1 : height; - - XtConfigureWidget(*childP, x, y, width, height, - XtBorderWidth(*childP)); - } - - if (unmap) - XtMapWidget(w); - -#ifdef OLDXAW - fw->form.old_width = XtWidth(fw); - fw->form.old_height = XtHeight(fw); -#endif -} - -/*ARGSUSED*/ -static XtGeometryResult -XawFormGeometryManager(Widget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - Dimension old_width, old_height; - FormWidget fw = (FormWidget)XtParent(w); - FormConstraints form = (FormConstraints)w->core.constraints; - XtWidgetGeometry allowed; - XtGeometryResult ret_val; - - if ((request->request_mode & (unsigned)~(XtCWQueryOnly | CWWidth | CWHeight)) - || !form->form.allow_resize) { - /* If GeometryManager is invoked during a SetValues call on a child - * then it is necessary to compute a new layout if ConstraintSetValues - * allowed any constraint changes - */ - if (fw->form.needs_relayout) - (*((FormWidgetClass)fw->core.widget_class)->form_class.layout) - (fw, 0, 0, True); - return (XtGeometryNo); - } - - if (request->request_mode & CWWidth) - allowed.width = request->width; - else - allowed.width = XtWidth(w); - - if (request->request_mode & CWHeight) - allowed.height = request->height; - else - allowed.height = XtHeight(w); - - if (allowed.width == XtWidth(w) && allowed.height == XtHeight(w)) { - /* If GeometryManager is invoked during a SetValues call on a child - * then it is necessary to compute a new layout if ConstraintSetValues - * allowed any constraint changes - */ - if (fw->form.needs_relayout) - (*((FormWidgetClass)fw->core.widget_class)->form_class.layout) - (fw, 0, 0, True); - return (XtGeometryNo); - } - - /* - * Remember the old size, and then set the size to the requested size - */ - old_width = XtWidth(w); - old_height = XtHeight(w); - XtWidth(w) = allowed.width; - XtHeight(w) = allowed.height; - - if (request->request_mode & XtCWQueryOnly) { - Boolean always_resize_children; - Dimension ret_width, ret_height; - - fw->form.resize_in_layout = False; - - (*((FormWidgetClass)fw->core.widget_class)->form_class.layout) - (fw, XtWidth(w), XtHeight(w), False); - - /* - * Reset the size of this child back to what it used to be - */ - XtWidth(w) = old_width; - XtHeight(w) = old_height; - - fw->form.resize_in_layout = True; - - always_resize_children = ChangeFormGeometry(w, True, - fw->form.preferred_width, - fw->form.preferred_height, - &ret_width, &ret_height); - - if (always_resize_children - || (ret_width >= fw->form.preferred_width - && ret_height >= fw->form.preferred_height)) - ret_val = XtGeometryYes; - else - ret_val = XtGeometryNo; - } - else { - if ((*((FormWidgetClass)fw->core.widget_class)->form_class.layout) - (fw, XtWidth(w), XtHeight(w), False)) { - Widget *childP; - int num_children = fw->composite.num_children; - WidgetList children = fw->composite.children; - - if (fw->form.no_refigure) { - /* - * I am changing the widget wrapper w/o modifing the window. - * This is risky, but I can get away with it since I am the - * parent of this widget, and he must ask me for any geometry - * changes - * - * The window will be updated when no_refigure is set back - * to False - */ - form->form.deferred_resize = True; - ret_val = XtGeometryDone; - } - else - ret_val = XtGeometryYes; - - /* - * Resets everything. - */ - fw->form.old_width = XtWidth(fw); - fw->form.old_height = XtHeight(fw); - for (childP = children; childP - children < num_children; childP++) { - Widget nw = *childP; - - if (XtIsManaged(nw)) { - FormConstraints nform = (FormConstraints)nw->core.constraints; - -#ifndef OLDXAW - nform->form.virtual_x = XtX(nw); - nform->form.virtual_y = XtY(nw); -#endif - nform->form.virtual_width = XtWidth(nw); - nform->form.virtual_height = XtHeight(nw); - } - } - } - else { - XtWidth(w) = old_width; - XtHeight(w) = old_height; - ret_val = XtGeometryNo; - } - } - - return (ret_val); -} - -/*ARGSUSED*/ -static Boolean -XawFormSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ -#ifndef OLDXAW - FormWidget f_old = (FormWidget)current; - FormWidget f_new = (FormWidget)cnew; - - if (f_old->core.background_pixmap != f_new->core.background_pixmap) { - XawPixmap *opix, *npix; - - opix = XawPixmapFromXPixmap(f_old->core.background_pixmap, XtScreen(f_old), - f_old->core.colormap, f_old->core.depth); - npix = XawPixmapFromXPixmap(f_new->core.background_pixmap, XtScreen(f_new), - f_new->core.colormap, f_new->core.depth); - if ((npix && npix->mask) || (opix && opix->mask)) - XawReshapeWidget(cnew, npix); - } -#endif /* OLDXAW */ - - return (False); -} - -/* ARGSUSED */ -static void -XawFormConstraintInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - FormConstraints form = (FormConstraints)cnew->core.constraints; - FormWidget fw = (FormWidget)cnew->core.parent; - -#ifndef OLDXAW - form->form.virtual_x = XtX(cnew); - form->form.virtual_y = XtY(cnew); -#endif - form->form.virtual_width = XtWidth(cnew); - form->form.virtual_height = XtHeight(cnew); - - if (form->form.dx == default_value) - form->form.dx = fw->form.default_spacing; - - if (form->form.dy == default_value) - form->form.dy = fw->form.default_spacing; - - form->form.deferred_resize = False; -} - -/*ARGSUSED*/ -static Boolean -XawFormConstraintSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - FormConstraints cfc = (FormConstraints)current->core.constraints; - FormConstraints nfc = (FormConstraints)cnew->core.constraints; - - if (cfc->form.top != nfc->form.top || cfc->form.bottom != nfc->form.bottom - || cfc->form.left != nfc->form.left || cfc->form.right != nfc->form.right - || cfc->form.dx != nfc->form.dx || cfc->form.dy != nfc->form.dy - || cfc->form.horiz_base != nfc->form.horiz_base - || cfc->form.vert_base != nfc->form.vert_base) { - FormWidget fp = (FormWidget)XtParent(cnew); - - /* If there are no subclass ConstraintSetValues procedures remaining - * to be invoked, and if there is no geometry request about to be - * made, then invoke the new layout now; else defer it - */ - if (XtClass(XtParent(cnew)) == formWidgetClass - && XtX(current) == XtX(cnew) - && XtY(current) == XtY(cnew) - && XtWidth(current) == XtWidth(cnew) - && XtHeight(current) == XtHeight(cnew) - && XtBorderWidth(current) == XtBorderWidth(cnew)) - Layout(fp, 0, 0, True); - else - fp->form.needs_relayout = True; - } - - return (False); -} - -static void -XawFormChangeManaged(Widget w) -{ - FormWidget fw = (FormWidget)w; - FormConstraints form; - WidgetList children, childP; - int num_children = fw->composite.num_children; - Widget child; - - (*((FormWidgetClass)w->core.widget_class)->form_class.layout) - (fw, XtWidth(w), XtHeight(w), True); - - fw->form.old_width = XtWidth(w); - fw->form.old_height = XtHeight(w); - for (children = childP = fw->composite.children; - childP - children < num_children; - childP++) { - child = *childP; - if (!XtIsManaged(child)) - continue; - form = (FormConstraints)child->core.constraints; -#ifndef OLDXAW - form->form.virtual_x = XtX(child); - form->form.virtual_y = XtY(child); -#endif - form->form.virtual_width = XtWidth(child); - form->form.virtual_height = XtHeight(child); - } -} - -static XtGeometryResult -XawFormQueryGeometry(Widget widget, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - FormWidget w = (FormWidget)widget; - - reply->width = w->form.preferred_width; - reply->height = w->form.preferred_height; - reply->request_mode = CWWidth | CWHeight; - - if ((request->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight) - && request->width == reply->width - && request->height == reply->height) - return (XtGeometryYes); - else if (reply->width == XtWidth(w) && reply->height == XtHeight(w)) - return (XtGeometryNo); - - return (XtGeometryAlmost); -} - -/* - * Public routines - */ -/* - * Set or reset figuring (ignored if not realized) - */ -void -XawFormDoLayout(Widget w, -#if NeedWidePrototypes - Bool force -#else - Boolean force -#endif -) -{ - Widget *childP; - FormWidget fw = (FormWidget)w; - int num_children = fw->composite.num_children; - WidgetList children = fw->composite.children; - - if ((fw->form.no_refigure = !force) == True || !XtIsRealized(w)) - return; - - for (childP = children; childP - children < num_children; childP++) { - Widget nw = *childP; - - if (XtIsManaged(nw)) { - FormConstraints form = (FormConstraints)nw->core.constraints; - - /* - * Xt Configure widget is too smart, and optimizes out - * my changes - */ - XMoveResizeWindow(XtDisplay(nw), XtWindow(nw), - XtX(nw), XtY(nw), XtWidth(nw), XtHeight(nw)); - - if (form) - if (form->form.deferred_resize && - XtClass(nw)->core_class.resize != NULL) { - (*(XtClass(nw)->core_class.resize))(nw); - form->form.deferred_resize = False; - } - } - } -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xaw/FormP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawFormChangeManaged(Widget);
+static void XawFormClassInitialize(void);
+static void XawFormClassPartInitialize(WidgetClass);
+static void XawFormConstraintInitialize(Widget, Widget, ArgList, Cardinal*);
+static Boolean XawFormConstraintSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static XtGeometryResult XawFormGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawFormInitialize(Widget, Widget, ArgList, Cardinal*);
+#ifndef OLDXAW
+static void XawFormRealize(Widget, Mask*, XSetWindowAttributes*);
+static void XawFormRedisplay(Widget, XEvent*, Region);
+#endif
+static XtGeometryResult XawFormQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawFormResize(Widget);
+static Boolean XawFormSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+static Boolean Layout(FormWidget, unsigned int, unsigned int, Bool);
+
+/*
+ * Prototypes
+ */
+static void _CvtStringToEdgeType(XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr);
+static Bool ChangeFormGeometry(Widget, Bool, unsigned int, unsigned int,
+ Dimension*, Dimension*);
+Boolean CvtEdgeTypeToString(Display*, XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr, XtPointer*);
+static void LayoutChild(Widget);
+static int TransformCoord(int, unsigned int, unsigned int, XtEdgeType);
+static void ResizeChildren(Widget);
+
+/*
+ * Initialization
+ */
+#ifndef OLDXAW
+static XtActionsRec actions[] = {
+ {"set-values", XawSetValuesAction},
+ {"get-values", XawGetValuesAction},
+ {"declare", XawDeclareAction},
+ {"call-proc", XawCallProcAction},
+};
+#endif
+
+static XrmQuark QchainLeft, QchainRight, QchainTop, QchainBottom, Qrubber;
+
+#define default_value -99999
+#define Offset(field) XtOffsetOf(FormRec, form.field)
+static XtResource resources[] = {
+ {
+ XtNdefaultDistance,
+ XtCThickness,
+ XtRInt,
+ sizeof(int),
+ Offset(default_spacing),
+ XtRImmediate,
+ (XtPointer)4
+ },
+#ifndef OLDXAW
+ {
+ XawNdisplayList,
+ XawCDisplayList,
+ XawRDisplayList,
+ sizeof(XawDisplayList*),
+ Offset(display_list),
+ XtRImmediate,
+ NULL
+ },
+#endif
+};
+#undef Offset
+
+#define defEdge XtRubber
+
+#define Offset(field) XtOffsetOf(FormConstraintsRec, form.field)
+static XtResource formConstraintResources[] = {
+ {
+ XtNtop,
+ XtCEdge,
+ XtREdgeType,
+ sizeof(XtEdgeType),
+ Offset(top),
+ XtRImmediate,
+ (XtPointer)defEdge
+ },
+ {
+ XtNbottom,
+ XtCEdge,
+ XtREdgeType,
+ sizeof(XtEdgeType),
+ Offset(bottom),
+ XtRImmediate,
+ (XtPointer)defEdge
+ },
+ {
+ XtNleft,
+ XtCEdge,
+ XtREdgeType,
+ sizeof(XtEdgeType),
+ Offset(left),
+ XtRImmediate,
+ (XtPointer)defEdge
+ },
+ {
+ XtNright,
+ XtCEdge,
+ XtREdgeType,
+ sizeof(XtEdgeType),
+ Offset(right),
+ XtRImmediate,
+ (XtPointer)defEdge
+ },
+ {
+ XtNhorizDistance,
+ XtCThickness,
+ XtRInt,
+ sizeof(int),
+ Offset(dx),
+ XtRImmediate,
+ (XtPointer)default_value
+ },
+ {
+ XtNfromHoriz,
+ XtCWidget,
+ XtRWidget,
+ sizeof(Widget),
+ Offset(horiz_base),
+ XtRWidget,
+ NULL
+ },
+ {
+ XtNvertDistance,
+ XtCThickness,
+ XtRInt,
+ sizeof(int),
+ Offset(dy),
+ XtRImmediate,
+ (XtPointer)default_value
+ },
+ {
+ XtNfromVert,
+ XtCWidget,
+ XtRWidget,
+ sizeof(Widget),
+ Offset(vert_base),
+ XtRWidget,
+ NULL
+ },
+ {
+ XtNresizable,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ Offset(allow_resize),
+ XtRImmediate,
+ (XtPointer)False
+ },
+};
+#undef Offset
+
+FormClassRec formClassRec = {
+ /* core */
+ {
+ (WidgetClass)&constraintClassRec, /* superclass */
+ "Form", /* class_name */
+ sizeof(FormRec), /* widget_size */
+ XawFormClassInitialize, /* class_initialize */
+ XawFormClassPartInitialize, /* class_part_init */
+ False, /* class_inited */
+ XawFormInitialize, /* initialize */
+ NULL, /* initialize_hook */
+#ifndef OLDXAW
+ XawFormRealize, /* realize */
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+#else
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+#endif
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XawFormResize, /* resize */
+#ifndef OLDXAW
+ XawFormRedisplay, /* expose */
+#else
+ XtInheritExpose, /* expose */
+#endif
+ XawFormSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XawFormQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XawFormGeometryManager, /* geometry_manager */
+ XawFormChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ /* constraint */
+ {
+ formConstraintResources, /* subresourses */
+ XtNumber(formConstraintResources), /* subresource_count */
+ sizeof(FormConstraintsRec), /* constraint_size */
+ XawFormConstraintInitialize, /* initialize */
+ NULL, /* destroy */
+ XawFormConstraintSetValues, /* set_values */
+ NULL, /* extension */
+ },
+ /* form */
+ {
+ Layout, /* layout */
+ },
+};
+
+WidgetClass formWidgetClass = (WidgetClass)&formClassRec;
+
+/*
+ * Implementation
+ */
+#ifndef OLDXAW
+static void
+XawFormRealize(Widget w, Mask *mask, XSetWindowAttributes *attr)
+{
+ XawPixmap *pixmap;
+
+ (*formWidgetClass->core_class.superclass->core_class.realize)(w, mask, attr);
+
+ if (w->core.background_pixmap > XtUnspecifiedPixmap) {
+ pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w),
+ w->core.colormap, w->core.depth);
+ if (pixmap && pixmap->mask)
+ XawReshapeWidget(w, pixmap);
+ }
+}
+
+static void
+XawFormRedisplay(Widget w, XEvent *event, Region region)
+{
+ FormWidget xaw = (FormWidget)w;
+
+ if (xaw->form.display_list)
+ XawRunDisplayList(w, xaw->form.display_list, event, region);
+}
+#endif
+
+/*ARGSUSED*/
+static void
+_CvtStringToEdgeType(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static XtEdgeType edgeType;
+ XrmQuark q;
+ char name[12];
+
+ XmuNCopyISOLatin1Lowered(name, (char*)fromVal->addr, sizeof(name));
+ q = XrmStringToQuark(name);
+
+ if (q == QchainLeft)
+ edgeType = XtChainLeft;
+ else if (q == QchainRight)
+ edgeType = XtChainRight;
+ else if (q == QchainTop)
+ edgeType = XtChainTop;
+ else if (q == QchainBottom)
+ edgeType = XtChainBottom;
+ else if (q == Qrubber)
+ edgeType = XtRubber;
+ else {
+ XtStringConversionWarning(fromVal->addr, XtREdgeType);
+ toVal->size = 0;
+ toVal->addr = NULL;
+ return;
+ }
+
+ toVal->size = sizeof(XtEdgeType);
+ toVal->addr = (XPointer)&edgeType;
+}
+
+/*ARGSUSED*/
+Boolean
+CvtEdgeTypeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal, XtPointer *data)
+{
+ static String buffer;
+ Cardinal size;
+
+ switch (*(XtEdgeType *)fromVal->addr) {
+ case XtChainLeft:
+ buffer = XtEchainLeft;
+ break;
+ case XtChainRight:
+ buffer = XtEchainRight;
+ break;
+ case XtChainTop:
+ buffer = XtEchainTop;
+ break;
+ case XtChainBottom:
+ buffer = XtEchainBottom;
+ break;
+ case XtRubber:
+ buffer = XtErubber;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtREdgeType);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+static void
+XawFormClassInitialize(void)
+{
+ static XtConvertArgRec parentCvtArgs[] = {
+ {XtBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.parent),
+ sizeof(Widget)}
+ };
+
+ char name[12];
+
+ XawInitializeWidgetSet();
+ XmuNCopyISOLatin1Lowered(name, XtEchainLeft, sizeof(name));
+ QchainLeft = XrmStringToQuark(name);
+ XmuNCopyISOLatin1Lowered(name, XtEchainRight, sizeof(name));
+ QchainRight = XrmStringToQuark(name);
+ XmuNCopyISOLatin1Lowered(name, XtEchainTop, sizeof(name));
+ QchainTop = XrmStringToQuark(name);
+ XmuNCopyISOLatin1Lowered(name, XtEchainBottom, sizeof(name));
+ QchainBottom = XrmStringToQuark(name);
+ XmuNCopyISOLatin1Lowered(name, XtErubber, sizeof(name));
+ Qrubber = XrmStringToQuark(name);
+
+ XtAddConverter(XtRString, XtREdgeType, _CvtStringToEdgeType, NULL, 0);
+ XtSetTypeConverter(XtREdgeType, XtRString, CvtEdgeTypeToString,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRString, XtRWidget, XmuNewCvtStringToWidget,
+ parentCvtArgs, XtNumber(parentCvtArgs), XtCacheNone,
+ NULL);
+ XtSetTypeConverter(XtRWidget, XtRString, XmuCvtWidgetToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+static void
+XawFormClassPartInitialize(WidgetClass cclass)
+{
+ FormWidgetClass c = (FormWidgetClass)cclass;
+ FormWidgetClass super = (FormWidgetClass)c->core_class.superclass;
+
+ if (c->form_class.layout == XtInheritLayout)
+ c->form_class.layout = super->form_class.layout;
+}
+
+/*ARGSUSED*/
+static void
+XawFormInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ FormWidget fw = (FormWidget)cnew;
+
+ fw->form.old_width = fw->form.old_height = 0;
+ fw->form.no_refigure = False;
+ fw->form.needs_relayout = False;
+ fw->form.resize_in_layout = True;
+ fw->form.resize_is_no_op = False;
+}
+
+/*
+ * Function:
+ * ChangeFormGeometry
+ *
+ * Parameters:
+ * w - Form widget
+ * query_only - is only a query?
+ * width - new width and height
+ * height - ""
+ * ret_width - actual size the form is allowed to resize to (return)
+ * ret_height - ""
+ *
+ * Description:
+ * Ask the parent to change the form widget's geometry.
+ *
+ * Returns:
+ * True of children may always be resized
+ */
+static Bool
+ChangeFormGeometry(Widget w, Bool query_only,
+ unsigned int width, unsigned int height,
+ Dimension *ret_width, Dimension *ret_height)
+{
+ FormWidget fw = (FormWidget)w;
+ Boolean always_resize_children;
+ XtGeometryResult result;
+ XtWidgetGeometry request, return_request;
+
+ /*
+ * If we are already at the desired size then there is no need
+ * to ask our parent of we can change size
+ */
+ if (width == XtWidth(fw) && height == XtHeight(fw))
+ return (True);
+
+ request.width = width;
+ request.height = height;
+ request.request_mode = CWWidth | CWHeight;
+ if (query_only)
+ request.request_mode |= XtCWQueryOnly;
+
+ /*
+ * Do no invoke the resize rules if our size changes here
+ */
+ fw->form.resize_is_no_op = True;
+
+ result = XtMakeGeometryRequest(w, &request, &return_request);
+ if (result == XtGeometryAlmost) {
+ request = return_request;
+ (void)XtMakeGeometryRequest(w, &request, &return_request);
+ always_resize_children = False;
+ }
+ else
+ always_resize_children = result == XtGeometryYes;
+
+ fw->form.resize_is_no_op = False;
+
+ if (ret_width != NULL)
+ *ret_width = request.width;
+ if (ret_height != NULL)
+ *ret_height = request.height;
+
+ return (always_resize_children);
+}
+
+/*
+ * Function:
+ * Layout
+ *
+ * Parameters:
+ * fw - Form widget
+ * width - unused
+ * height - ""
+ * force_relayout - will force the children to be moved, even if some
+ * go past the edge of the form
+ *
+ * Description:
+ * Moves all the children around.
+ *
+ * Returns:
+ * True if the children are allowed to move from their
+ * current locations to the new ones.
+ */
+/*ARGSUSED*/
+static Boolean
+Layout(FormWidget fw, unsigned int width, unsigned int height,
+ Bool force_relayout)
+{
+ int num_children = fw->composite.num_children;
+ WidgetList children = fw->composite.children;
+ Widget *childP;
+ Dimension maxx, maxy;
+ Boolean ret_val;
+
+ for (childP = children; childP - children < num_children; childP++) {
+ FormConstraints form = (FormConstraints)(*childP)->core.constraints;
+ form->form.layout_state = LayoutPending;
+ }
+
+ maxx = maxy = 1;
+ for (childP = children; childP - children < num_children; childP++) {
+ if (XtIsManaged(*childP)) {
+ FormConstraints form;
+ Position x, y;
+
+ form = (FormConstraints)(*childP)->core.constraints;
+
+ LayoutChild(*childP);
+
+ x = form->form.new_x + XtWidth(*childP)
+ + (XtBorderWidth(*childP) << 1);
+ if (x > (int)maxx)
+ maxx = x;
+
+ y = form->form.new_y + XtHeight(*childP)
+ + (XtBorderWidth(*childP) << 1);
+ if (y > (int)maxy)
+ maxy = y;
+ }
+ }
+
+ fw->form.preferred_width = (maxx += fw->form.default_spacing);
+ fw->form.preferred_height = (maxy += fw->form.default_spacing);
+
+ if (fw->form.resize_in_layout) {
+ Boolean always_resize_children;
+
+ always_resize_children =
+ ChangeFormGeometry((Widget)fw, False, maxx, maxy, NULL, NULL);
+
+#ifdef OLDXAW
+ fw->form.old_width = fw->core.width;
+ fw->form.old_height = fw->core.height;
+#endif
+
+ if (force_relayout)
+ ret_val = True;
+ else
+ ret_val = always_resize_children ||
+ (XtWidth(fw) >= maxx && XtHeight(fw) >= maxy);
+
+ if (ret_val)
+ ResizeChildren((Widget)fw);
+ }
+ else
+ ret_val = False;
+
+ fw->form.needs_relayout = False;
+
+ return (ret_val);
+}
+
+/*
+ * Function:
+ * ResizeChildren
+ *
+ * Parameters:
+ * w - form widget
+ *
+ * Description:
+ * Resizes all children to new_x and new_y.
+ */
+static void
+ResizeChildren(Widget w)
+{
+ FormWidget fw = (FormWidget)w;
+ int num_children = fw->composite.num_children;
+ WidgetList children = fw->composite.children;
+ Widget *childP;
+
+ for (childP = children; childP - children < num_children; childP++) {
+ FormConstraints form;
+ Position x, y;
+
+ if (!XtIsManaged(*childP))
+ continue;
+
+ form = (FormConstraints)(*childP)->core.constraints;
+
+ if (fw->form.old_width && fw->form.old_height) {
+ x = TransformCoord(form->form.new_x, fw->form.old_width,
+ XtWidth(fw), form->form.left);
+ y = TransformCoord(form->form.new_y, fw->form.old_height,
+ XtHeight(fw), form->form.top);
+ }
+ else {
+ x = form->form.new_x;
+ y = form->form.new_y;
+ }
+
+ if (fw->form.no_refigure) {
+ /*
+ * I am changing the widget wrapper w/o modifing the window. This is
+ * risky, but I can get away with it since I am the parent of this
+ * widget, and he must ask me for any geometry changes
+ *
+ * The window will be updated when no_refigure is set back to False
+ */
+ XtX(*childP) = x;
+ XtY(*childP) = y;
+ }
+ else
+ XtMoveWidget(*childP, x, y);
+ }
+}
+
+static void
+LayoutChild(Widget w)
+{
+ FormConstraints form = (FormConstraints)w->core.constraints;
+ Widget ref;
+
+ switch (form->form.layout_state) {
+ case LayoutPending:
+ form->form.layout_state = LayoutInProgress;
+ break;
+ case LayoutDone:
+ return;
+ case LayoutInProgress: {
+ String subs[2];
+ Cardinal num_subs = 2;
+ subs[0] = w->core.name;
+ subs[1] = w->core.parent->core.name;
+
+ XtAppWarningMsg(XtWidgetToApplicationContext(w),
+ "constraintLoop", "xawFormLayout", "XawToolkitError",
+ "constraint loop detected while laying out "
+ "child '%s' in FormWidget '%s'",
+ subs, &num_subs);
+ } return;
+ }
+
+ form->form.new_x = form->form.dx;
+ form->form.new_y = form->form.dy;
+ if ((ref = form->form.horiz_base) != NULL) {
+ FormConstraints ref_form = (FormConstraints)ref->core.constraints;
+
+ LayoutChild(ref);
+ form->form.new_x += ref_form->form.new_x + XtWidth(ref) +
+ (XtBorderWidth(ref) << 1);
+ }
+ if ((ref = form->form.vert_base) != NULL) {
+ FormConstraints ref_form = (FormConstraints)ref->core.constraints;
+
+ LayoutChild(ref);
+ form->form.new_y += ref_form->form.new_y + XtHeight(ref) +
+ (XtBorderWidth(ref) << 1);
+ }
+
+ form->form.layout_state = LayoutDone;
+}
+
+static int
+TransformCoord(int loc, unsigned int old, unsigned int cnew, XtEdgeType type)
+{
+ if (type == XtRubber) {
+ if ((int)old > 0)
+ loc = (int)(loc * ((double)cnew / (double)old));
+ }
+ else if (type == XtChainBottom || type == XtChainRight)
+ loc += (int)cnew - (int)old;
+
+ return (loc);
+}
+
+static void
+XawFormResize(Widget w)
+{
+ FormWidget fw = (FormWidget)w;
+ WidgetList children = fw->composite.children;
+ int num_children = fw->composite.num_children;
+ Widget *childP;
+ int x, y;
+ int width, height;
+ Boolean unmap = XtIsRealized(w) && w->core.mapped_when_managed &&
+ XtIsManaged(w);
+
+ if (unmap)
+ XtUnmapWidget(w);
+
+ if (!fw->form.resize_is_no_op)
+ for (childP = children; childP - children < num_children; childP++) {
+ FormConstraints form = (FormConstraints)(*childP)->core.constraints;
+
+ if (!XtIsManaged(*childP))
+ continue;
+
+#ifndef OLDXAW
+ x = TransformCoord(form->form.virtual_x, fw->form.old_width,
+ XtWidth(fw), form->form.left);
+ y = TransformCoord(form->form.virtual_y, fw->form.old_height,
+ XtHeight(fw), form->form.top);
+ width = TransformCoord(form->form.virtual_x +
+ form->form.virtual_width +
+ (XtBorderWidth(*childP) << 1),
+ fw->form.old_width, XtWidth(fw),
+ form->form.right) -
+ (x + (XtBorderWidth(*childP) << 1));
+ height = TransformCoord(form->form.virtual_y +
+ form->form.virtual_height +
+ (XtBorderWidth(*childP) << 1),
+ fw->form.old_height, XtHeight(fw),
+ form->form.bottom) -
+ (y + (XtBorderWidth(*childP) << 1));
+#else
+ x = TransformCoord(XtX(*childP), fw->form.old_width,
+ XtWidth(fw), form->form.left);
+ y = TransformCoord(XtY(*childP), fw->form.old_height,
+ XtHeight(fw), form->form.top);
+ width = TransformCoord(XtX(*childP) + form->form.virtual_width +
+ (XtBorderWidth(*childP) << 1),
+ fw->form.old_width, XtWidth(fw),
+ form->form.right) -
+ (x + (XtBorderWidth(*childP) << 1));
+ height = TransformCoord(XtY(*childP) + form->form.virtual_height +
+ (XtBorderWidth(*childP) << 1),
+ fw->form.old_height, XtHeight(fw),
+ form->form.bottom) -
+ (y + (XtBorderWidth(*childP) << 1));
+ form->form.virtual_width = width;
+ form->form.virtual_height = height;
+#endif
+
+ width = width < 1 ? 1 : width;
+ height = height < 1 ? 1 : height;
+
+ XtConfigureWidget(*childP, x, y, width, height,
+ XtBorderWidth(*childP));
+ }
+
+ if (unmap)
+ XtMapWidget(w);
+
+#ifdef OLDXAW
+ fw->form.old_width = XtWidth(fw);
+ fw->form.old_height = XtHeight(fw);
+#endif
+}
+
+/*ARGSUSED*/
+static XtGeometryResult
+XawFormGeometryManager(Widget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ Dimension old_width, old_height;
+ FormWidget fw = (FormWidget)XtParent(w);
+ FormConstraints form = (FormConstraints)w->core.constraints;
+ XtWidgetGeometry allowed;
+ XtGeometryResult ret_val;
+
+ if ((request->request_mode & (unsigned)~(XtCWQueryOnly | CWWidth | CWHeight))
+ || !form->form.allow_resize) {
+ /* If GeometryManager is invoked during a SetValues call on a child
+ * then it is necessary to compute a new layout if ConstraintSetValues
+ * allowed any constraint changes
+ */
+ if (fw->form.needs_relayout)
+ (*((FormWidgetClass)fw->core.widget_class)->form_class.layout)
+ (fw, 0, 0, True);
+ return (XtGeometryNo);
+ }
+
+ if (request->request_mode & CWWidth)
+ allowed.width = request->width;
+ else
+ allowed.width = XtWidth(w);
+
+ if (request->request_mode & CWHeight)
+ allowed.height = request->height;
+ else
+ allowed.height = XtHeight(w);
+
+ if (allowed.width == XtWidth(w) && allowed.height == XtHeight(w)) {
+ /* If GeometryManager is invoked during a SetValues call on a child
+ * then it is necessary to compute a new layout if ConstraintSetValues
+ * allowed any constraint changes
+ */
+ if (fw->form.needs_relayout)
+ (*((FormWidgetClass)fw->core.widget_class)->form_class.layout)
+ (fw, 0, 0, True);
+ return (XtGeometryNo);
+ }
+
+ /*
+ * Remember the old size, and then set the size to the requested size
+ */
+ old_width = XtWidth(w);
+ old_height = XtHeight(w);
+ XtWidth(w) = allowed.width;
+ XtHeight(w) = allowed.height;
+
+ if (request->request_mode & XtCWQueryOnly) {
+ Boolean always_resize_children;
+ Dimension ret_width, ret_height;
+
+ fw->form.resize_in_layout = False;
+
+ (*((FormWidgetClass)fw->core.widget_class)->form_class.layout)
+ (fw, XtWidth(w), XtHeight(w), False);
+
+ /*
+ * Reset the size of this child back to what it used to be
+ */
+ XtWidth(w) = old_width;
+ XtHeight(w) = old_height;
+
+ fw->form.resize_in_layout = True;
+
+ always_resize_children = ChangeFormGeometry(w, True,
+ fw->form.preferred_width,
+ fw->form.preferred_height,
+ &ret_width, &ret_height);
+
+ if (always_resize_children
+ || (ret_width >= fw->form.preferred_width
+ && ret_height >= fw->form.preferred_height))
+ ret_val = XtGeometryYes;
+ else
+ ret_val = XtGeometryNo;
+ }
+ else {
+ if ((*((FormWidgetClass)fw->core.widget_class)->form_class.layout)
+ (fw, XtWidth(w), XtHeight(w), False)) {
+ Widget *childP;
+ int num_children = fw->composite.num_children;
+ WidgetList children = fw->composite.children;
+
+ if (fw->form.no_refigure) {
+ /*
+ * I am changing the widget wrapper w/o modifing the window.
+ * This is risky, but I can get away with it since I am the
+ * parent of this widget, and he must ask me for any geometry
+ * changes
+ *
+ * The window will be updated when no_refigure is set back
+ * to False
+ */
+ form->form.deferred_resize = True;
+ ret_val = XtGeometryDone;
+ }
+ else
+ ret_val = XtGeometryYes;
+
+ /*
+ * Resets everything.
+ */
+ fw->form.old_width = XtWidth(fw);
+ fw->form.old_height = XtHeight(fw);
+ for (childP = children; childP - children < num_children; childP++) {
+ Widget nw = *childP;
+
+ if (XtIsManaged(nw)) {
+ FormConstraints nform = (FormConstraints)nw->core.constraints;
+
+#ifndef OLDXAW
+ nform->form.virtual_x = XtX(nw);
+ nform->form.virtual_y = XtY(nw);
+#endif
+ nform->form.virtual_width = XtWidth(nw);
+ nform->form.virtual_height = XtHeight(nw);
+ }
+ }
+ }
+ else {
+ XtWidth(w) = old_width;
+ XtHeight(w) = old_height;
+ ret_val = XtGeometryNo;
+ }
+ }
+
+ return (ret_val);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawFormSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+#ifndef OLDXAW
+ FormWidget f_old = (FormWidget)current;
+ FormWidget f_new = (FormWidget)cnew;
+
+ if (f_old->core.background_pixmap != f_new->core.background_pixmap) {
+ XawPixmap *opix, *npix;
+
+ opix = XawPixmapFromXPixmap(f_old->core.background_pixmap, XtScreen(f_old),
+ f_old->core.colormap, f_old->core.depth);
+ npix = XawPixmapFromXPixmap(f_new->core.background_pixmap, XtScreen(f_new),
+ f_new->core.colormap, f_new->core.depth);
+ if ((npix && npix->mask) || (opix && opix->mask))
+ XawReshapeWidget(cnew, npix);
+ }
+#endif /* OLDXAW */
+
+ return (False);
+}
+
+/* ARGSUSED */
+static void
+XawFormConstraintInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ FormConstraints form = (FormConstraints)cnew->core.constraints;
+ FormWidget fw = (FormWidget)cnew->core.parent;
+
+#ifndef OLDXAW
+ form->form.virtual_x = XtX(cnew);
+ form->form.virtual_y = XtY(cnew);
+#endif
+ form->form.virtual_width = XtWidth(cnew);
+ form->form.virtual_height = XtHeight(cnew);
+
+ if (form->form.dx == default_value)
+ form->form.dx = fw->form.default_spacing;
+
+ if (form->form.dy == default_value)
+ form->form.dy = fw->form.default_spacing;
+
+ form->form.deferred_resize = False;
+}
+
+/*ARGSUSED*/
+static Boolean
+XawFormConstraintSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ FormConstraints cfc = (FormConstraints)current->core.constraints;
+ FormConstraints nfc = (FormConstraints)cnew->core.constraints;
+
+ if (cfc->form.top != nfc->form.top || cfc->form.bottom != nfc->form.bottom
+ || cfc->form.left != nfc->form.left || cfc->form.right != nfc->form.right
+ || cfc->form.dx != nfc->form.dx || cfc->form.dy != nfc->form.dy
+ || cfc->form.horiz_base != nfc->form.horiz_base
+ || cfc->form.vert_base != nfc->form.vert_base) {
+ FormWidget fp = (FormWidget)XtParent(cnew);
+
+ /* If there are no subclass ConstraintSetValues procedures remaining
+ * to be invoked, and if there is no geometry request about to be
+ * made, then invoke the new layout now; else defer it
+ */
+ if (XtClass(XtParent(cnew)) == formWidgetClass
+ && XtX(current) == XtX(cnew)
+ && XtY(current) == XtY(cnew)
+ && XtWidth(current) == XtWidth(cnew)
+ && XtHeight(current) == XtHeight(cnew)
+ && XtBorderWidth(current) == XtBorderWidth(cnew))
+ Layout(fp, 0, 0, True);
+ else
+ fp->form.needs_relayout = True;
+ }
+
+ return (False);
+}
+
+static void
+XawFormChangeManaged(Widget w)
+{
+ FormWidget fw = (FormWidget)w;
+ FormConstraints form;
+ WidgetList children, childP;
+ int num_children = fw->composite.num_children;
+ Widget child;
+
+ (*((FormWidgetClass)w->core.widget_class)->form_class.layout)
+ (fw, XtWidth(w), XtHeight(w), True);
+
+ fw->form.old_width = XtWidth(w);
+ fw->form.old_height = XtHeight(w);
+ for (children = childP = fw->composite.children;
+ childP - children < num_children;
+ childP++) {
+ child = *childP;
+ if (!XtIsManaged(child))
+ continue;
+ form = (FormConstraints)child->core.constraints;
+#ifndef OLDXAW
+ form->form.virtual_x = XtX(child);
+ form->form.virtual_y = XtY(child);
+#endif
+ form->form.virtual_width = XtWidth(child);
+ form->form.virtual_height = XtHeight(child);
+ }
+}
+
+static XtGeometryResult
+XawFormQueryGeometry(Widget widget, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ FormWidget w = (FormWidget)widget;
+
+ reply->width = w->form.preferred_width;
+ reply->height = w->form.preferred_height;
+ reply->request_mode = CWWidth | CWHeight;
+
+ if ((request->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight)
+ && request->width == reply->width
+ && request->height == reply->height)
+ return (XtGeometryYes);
+ else if (reply->width == XtWidth(w) && reply->height == XtHeight(w))
+ return (XtGeometryNo);
+
+ return (XtGeometryAlmost);
+}
+
+/*
+ * Public routines
+ */
+/*
+ * Set or reset figuring (ignored if not realized)
+ */
+void
+XawFormDoLayout(Widget w,
+#if NeedWidePrototypes
+ Bool force
+#else
+ Boolean force
+#endif
+)
+{
+ Widget *childP;
+ FormWidget fw = (FormWidget)w;
+ int num_children = fw->composite.num_children;
+ WidgetList children = fw->composite.children;
+
+ if ((fw->form.no_refigure = !force) == True || !XtIsRealized(w))
+ return;
+
+ for (childP = children; childP - children < num_children; childP++) {
+ Widget nw = *childP;
+
+ if (XtIsManaged(nw)) {
+ FormConstraints form = (FormConstraints)nw->core.constraints;
+
+ /*
+ * Xt Configure widget is too smart, and optimizes out
+ * my changes
+ */
+ XMoveResizeWindow(XtDisplay(nw), XtWindow(nw),
+ XtX(nw), XtY(nw), XtWidth(nw), XtHeight(nw));
+
+ if (form)
+ if (form->form.deferred_resize &&
+ XtClass(nw)->core_class.resize != NULL) {
+ (*(XtClass(nw)->core_class.resize))(nw);
+ form->form.deferred_resize = False;
+ }
+ }
+ }
+}
diff --git a/libXaw/src/Grip.c b/libXaw/src/Grip.c index 93ddfbeda..19b4eb487 100644 --- a/libXaw/src/Grip.c +++ b/libXaw/src/Grip.c @@ -1,185 +1,185 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -/* - * Grip.c - Grip Widget (Used by Paned Widget) - * - */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/GripP.h> -#include <X11/Xaw/XawInit.h> - -/* - * Prototypes - */ -static void -GripAction(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -static XtResource resources[] = { - { - XtNwidth, - XtCWidth, - XtRDimension, - sizeof(Dimension), - XtOffsetOf(GripRec, core.width), - XtRImmediate, - (XtPointer)DEFAULT_GRIP_SIZE - }, - { - XtNheight, - XtCHeight, - XtRDimension, - sizeof(Dimension), - XtOffsetOf(GripRec, core.height), - XtRImmediate, - (XtPointer)DEFAULT_GRIP_SIZE - }, - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - XtOffsetOf(GripRec, core.background_pixel), - XtRString, - XtDefaultForeground - }, - { - XtNborderWidth, - XtCBorderWidth, - XtRDimension, - sizeof(Dimension), - XtOffsetOf(GripRec, core.border_width), - XtRImmediate, - (XtPointer)0 - }, - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - XtOffsetOf(GripRec, grip.grip_action), - XtRCallback, - NULL - }, -}; - -static XtActionsRec actionsList[] = -{ - {"GripAction", GripAction}, -}; - -#define Superclass (&simpleClassRec) - -GripClassRec gripClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Grip", /* class name */ - sizeof(GripRec), /* size */ - XawInitializeWidgetSet, /* class initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - NULL, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - actionsList, /* actions */ - XtNumber(actionsList), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - NULL, /* resize */ - XtInheritExpose, /* expose */ - NULL, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* grip */ - { - NULL, /* extension */ - } -}; - -WidgetClass gripWidgetClass = (WidgetClass)&gripClassRec; - -/* - * Implementation - */ -static void -GripAction(Widget widget, XEvent *event, String *params, Cardinal *num_params) -{ - XawGripCallDataRec call_data; - - call_data.event = event; - call_data.params = params; - call_data.num_params = *num_params; - - XtCallCallbacks(widget, XtNcallback, (XtPointer)&call_data); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * Grip.c - Grip Widget (Used by Paned Widget)
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/GripP.h>
+#include <X11/Xaw/XawInit.h>
+
+/*
+ * Prototypes
+ */
+static void
+GripAction(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+static XtResource resources[] = {
+ {
+ XtNwidth,
+ XtCWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ XtOffsetOf(GripRec, core.width),
+ XtRImmediate,
+ (XtPointer)DEFAULT_GRIP_SIZE
+ },
+ {
+ XtNheight,
+ XtCHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ XtOffsetOf(GripRec, core.height),
+ XtRImmediate,
+ (XtPointer)DEFAULT_GRIP_SIZE
+ },
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ XtOffsetOf(GripRec, core.background_pixel),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNborderWidth,
+ XtCBorderWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ XtOffsetOf(GripRec, core.border_width),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ XtOffsetOf(GripRec, grip.grip_action),
+ XtRCallback,
+ NULL
+ },
+};
+
+static XtActionsRec actionsList[] =
+{
+ {"GripAction", GripAction},
+};
+
+#define Superclass (&simpleClassRec)
+
+GripClassRec gripClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Grip", /* class name */
+ sizeof(GripRec), /* size */
+ XawInitializeWidgetSet, /* class initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ NULL, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actionsList, /* actions */
+ XtNumber(actionsList), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ NULL, /* resize */
+ XtInheritExpose, /* expose */
+ NULL, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* grip */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass gripWidgetClass = (WidgetClass)&gripClassRec;
+
+/*
+ * Implementation
+ */
+static void
+GripAction(Widget widget, XEvent *event, String *params, Cardinal *num_params)
+{
+ XawGripCallDataRec call_data;
+
+ call_data.event = event;
+ call_data.params = params;
+ call_data.num_params = *num_params;
+
+ XtCallCallbacks(widget, XtNcallback, (XtPointer)&call_data);
+}
diff --git a/libXaw/src/Label.c b/libXaw/src/Label.c index d58442699..2eea91ff9 100644 --- a/libXaw/src/Label.c +++ b/libXaw/src/Label.c @@ -1,821 +1,821 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <ctype.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xmu/Converters.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xaw/LabelP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define streq(a, b) (strcmp((a), (b)) == 0) - -#define MULTI_LINE_LABEL 32767 - -#ifdef CRAY -#define WORD64 -#endif - -/* - * Class Methods - */ -static void XawLabelClassInitialize(void); -static void XawLabelDestroy(Widget); -static void XawLabelInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawLabelQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawLabelRedisplay(Widget, XEvent*, Region); -static void XawLabelResize(Widget); -static Boolean XawLabelSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -#ifdef WORD64 -static int _XawLabelWidth16(XFontStruct*, char*, int); -static void _XawLabelDraw16(Display*, Drawable, GC, int, int, char*, int); -#endif -static void compute_bitmap_offsets(LabelWidget); -static void GetGrayGC(LabelWidget); -static void GetNormalGC(LabelWidget); -static void _Reposition(LabelWidget, unsigned int, unsigned int, - Position*, Position*); -static void set_bitmap_info(LabelWidget); -static void SetTextWidthAndHeight(LabelWidget); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(LabelRec, field) -static XtResource resources[] = { - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(label.foreground), - XtRString, - XtDefaultForeground - }, - { - XtNfont, - XtCFont, - XtRFontStruct, - sizeof(XFontStruct*), - offset(label.font), - XtRString, - XtDefaultFont - }, - { - XtNfontSet, - XtCFontSet, - XtRFontSet, - sizeof(XFontSet), - offset(label.fontset), - XtRString, - XtDefaultFontSet - }, - { - XtNlabel, - XtCLabel, - XtRString, - sizeof(String), - offset(label.label), - XtRString, - NULL - }, - { - XtNencoding, - XtCEncoding, - XtRUnsignedChar, - sizeof(unsigned char), - offset(label.encoding), - XtRImmediate, - (XtPointer)XawTextEncoding8bit - }, - { - XtNjustify, - XtCJustify, - XtRJustify, - sizeof(XtJustify), - offset(label.justify), - XtRImmediate, - (XtPointer)XtJustifyCenter - }, - { - XtNinternalWidth, - XtCWidth, - XtRDimension, - sizeof(Dimension), - offset(label.internal_width), - XtRImmediate, - (XtPointer)4 - }, - { - XtNinternalHeight, - XtCHeight, - XtRDimension, - sizeof(Dimension), - offset(label.internal_height), - XtRImmediate, - (XtPointer)2 - }, - { - XtNleftBitmap, - XtCLeftBitmap, - XtRBitmap, - sizeof(Pixmap), - offset(label.left_bitmap), - XtRImmediate, - (XtPointer)None - }, - { - XtNbitmap, - XtCPixmap, - XtRBitmap, - sizeof(Pixmap), - offset(label.pixmap), - XtRImmediate, - (XtPointer)None - }, - { - XtNresize, - XtCResize, - XtRBoolean, - sizeof(Boolean), - offset(label.resize), - XtRImmediate, - (XtPointer)True - }, - { - XtNlabelX, - XtCPosition, - XtRPosition, - sizeof(Position), - offset(label.label_x), - XtRImmediate, - (XtPointer)0 - }, - { - XtNlabelY, - XtCPosition, - XtRPosition, - sizeof(Position), - offset(label.label_y), - XtRImmediate, - (XtPointer)0 - }, -}; -#undef offset - -#define Superclass (&simpleClassRec) -LabelClassRec labelClassRec = { - /* core */ - { - (WidgetClass)&simpleClassRec, /* superclass */ - "Label", /* class_name */ - sizeof(LabelRec), /* widget_size */ - XawLabelClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawLabelInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawLabelDestroy, /* destroy */ - XawLabelResize, /* resize */ - XawLabelRedisplay, /* expose */ - XawLabelSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XawLabelQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* label */ - { - NULL, /* extension */ - } -}; - -WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec; - -/* - * Implementation - */ -static void -XawLabelClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0); - XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString, - NULL, 0, XtCacheNone, NULL); -} - -#ifndef WORD64 -#define TXT16 XChar2b -#else -#define TXT16 char - -static XChar2b *buf2b; -static int buf2blen = 0; - -static int -_XawLabelWidth16(XFontStruct *fs, char *str, int n) -{ - int i; - XChar2b *ptr; - - if (n > buf2blen) { - buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b)); - buf2blen = n; - } - for (ptr = buf2b, i = n; --i >= 0; ptr++) { - ptr->byte1 = *str++; - ptr->byte2 = *str++; - } - - return (XTextWidth16(fs, buf2b, n)); -} - -static void -_XawLabelDraw16(Display *dpy, Drawable d, GC gc, int x, int y, - char *str, int n) -{ - int i; - XChar2b *ptr; - - if (n > buf2blen) { - buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b)); - buf2blen = n; - } - for (ptr = buf2b, i = n; --i >= 0; ptr++) { - ptr->byte1 = *str++; - ptr->byte2 = *str++; - } - XDrawString16(dpy, d, gc, x, y, buf2b, n); -} - -#define XTextWidth16 _XawLabelWidth16 -#define XDrawString16 _XawLabelDraw16 -#endif /* WORD64 */ - -/* - * Calculate width and height of displayed text in pixels - */ -static void -SetTextWidthAndHeight(LabelWidget lw) -{ - XFontStruct *fs = lw->label.font; - char *nl; - - if (lw->label.pixmap != None) { - Window root; - int x, y; - unsigned int width, height, bw, depth; - - if (XGetGeometry(XtDisplay(lw), lw->label.pixmap, &root, &x, &y, - &width, &height, &bw, &depth)) { - lw->label.label_height = height; - lw->label.label_width = width; - lw->label.label_len = depth; - return; - } - } - if (lw->simple.international == True) { - XFontSet fset = lw->label.fontset; - XFontSetExtents *ext = XExtentsOfFontSet(fset); - - lw->label.label_height = ext->max_ink_extent.height; - if (lw->label.label == NULL) { - lw->label.label_len = 0; - lw->label.label_width = 0; - } - else if ((nl = index(lw->label.label, '\n')) != NULL) { - char *label; - - lw->label.label_len = MULTI_LINE_LABEL; - lw->label.label_width = 0; - for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) { - int width = XmbTextEscapement(fset, label, (int)(nl - label)); - - if (width > (int)lw->label.label_width) - lw->label.label_width = width; - label = nl + 1; - if (*label) - lw->label.label_height += ext->max_ink_extent.height; - } - if (*label) { - int width = XmbTextEscapement(fset, label, strlen(label)); - - if (width > (int)lw->label.label_width) - lw->label.label_width = width; - } - } - else { - lw->label.label_len = strlen(lw->label.label); - lw->label.label_width = - XmbTextEscapement(fset, lw->label.label, lw->label.label_len); - } - } - else { - lw->label.label_height = fs->max_bounds.ascent + fs->max_bounds.descent; - if (lw->label.label == NULL) { - lw->label.label_len = 0; - lw->label.label_width = 0; - } - else if ((nl = index(lw->label.label, '\n')) != NULL) { - char *label; - - lw->label.label_len = MULTI_LINE_LABEL; - lw->label.label_width = 0; - for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) { - int width; - - if (lw->label.encoding) - width = XTextWidth16(fs, (TXT16*)label, (int)(nl - label) / 2); - else - width = XTextWidth(fs, label, (int)(nl - label)); - if (width > (int)lw->label.label_width) - lw->label.label_width = width; - label = nl + 1; - if (*label) - lw->label.label_height += - fs->max_bounds.ascent + fs->max_bounds.descent; - } - if (*label) { - int width = XTextWidth(fs, label, strlen(label)); - - if (lw->label.encoding) - width = XTextWidth16(fs, (TXT16*)label, strlen(label) / 2); - else - width = XTextWidth(fs, label, strlen(label)); - if (width > (int) lw->label.label_width) - lw->label.label_width = width; - } - } - else { - lw->label.label_len = strlen(lw->label.label); - if (lw->label.encoding) - lw->label.label_width = - XTextWidth16(fs, (TXT16*)lw->label.label, - (int)lw->label.label_len / 2); - else - lw->label.label_width = - XTextWidth(fs, lw->label.label, (int)lw->label.label_len); - } - } -} - -static void -GetNormalGC(LabelWidget lw) -{ - XGCValues values; - - values.foreground = lw->label.foreground; - values.background = lw->core.background_pixel; - values.font = lw->label.font->fid; - values.graphics_exposures = False; - - if (lw->simple.international == True) - /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */ - lw->label.normal_GC = XtAllocateGC((Widget)lw, 0, - GCForeground | GCBackground | - GCGraphicsExposures, - &values, GCFont, 0); - else - lw->label.normal_GC = XtGetGC((Widget)lw, - GCForeground | GCBackground | GCFont | - GCGraphicsExposures, &values); -} - -static void -GetGrayGC(LabelWidget lw) -{ - XGCValues values; - - values.foreground = lw->label.foreground; - values.background = lw->core.background_pixel; - values.font = lw->label.font->fid; - values.fill_style = FillTiled; - values.tile = XmuCreateStippledPixmap(XtScreen((Widget)lw), - lw->label.foreground, - lw->core.background_pixel, - lw->core.depth); - values.graphics_exposures = False; - - lw->label.stipple = values.tile; - if (lw->simple.international == True) - /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */ - lw->label.gray_GC = XtAllocateGC((Widget)lw, 0, - GCForeground | GCBackground | - GCTile | GCFillStyle | - GCGraphicsExposures, - &values, GCFont, 0); - else - lw->label.gray_GC = XtGetGC((Widget)lw, - GCForeground | GCBackground | - GCFont | GCTile | GCFillStyle | - GCGraphicsExposures, - &values); -} - -static void -compute_bitmap_offsets(LabelWidget lw) -{ - /* - * bitmap will be eventually be displayed at - * (internal_width, internal_height + lbm_y) - */ - if (lw->label.lbm_height != 0) - lw->label.lbm_y = (XtHeight(lw) - (lw->label.internal_height * 2 + - lw->label.lbm_height)) / 2; - else - lw->label.lbm_y = 0; -} - -static void -set_bitmap_info(LabelWidget lw) -{ - Window root; - int x, y; - unsigned int bw, depth; - - if (!(lw->label.left_bitmap - && XGetGeometry(XtDisplay(lw), lw->label.left_bitmap, &root, &x, &y, - &lw->label.lbm_width, &lw->label.lbm_height, - &bw, &depth))) - lw->label.lbm_width = lw->label.lbm_height = 0; - - compute_bitmap_offsets(lw); -} - -/*ARGSUSED*/ -static void -XawLabelInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - LabelWidget lw = (LabelWidget)cnew; - - if (!lw->label.font) XtError("Aborting: no font found\n"); - if (lw->simple.international && !lw->label.fontset) - XtError("Aborting: no fontset found\n"); - - if (lw->label.label == NULL) - lw->label.label = XtNewString(lw->core.name); - else - lw->label.label = XtNewString(lw->label.label); - - GetNormalGC(lw); - GetGrayGC(lw); - - SetTextWidthAndHeight(lw); - - if (XtHeight(lw) == 0) - XtHeight(lw) = lw->label.label_height + 2 * lw->label.internal_height; - - set_bitmap_info(lw); /* need core.height */ - - if (XtWidth(lw) == 0) /* need label.lbm_width */ - XtWidth(lw) = lw->label.label_width + 2 * lw->label.internal_width + - LEFT_OFFSET(lw); - - lw->label.label_x = lw->label.label_y = 0; - (*XtClass(cnew)->core_class.resize)((Widget)lw); -} - -/*ARGSUSED*/ -static void -XawLabelRedisplay(Widget gw, XEvent *event, Region region) -{ - LabelWidget w = (LabelWidget)gw; - GC gc; - - if (*Superclass->core_class.expose != NULL) - (*Superclass->core_class.expose)(gw, event, region); - - gc = XtIsSensitive(gw) ? w->label.normal_GC : w->label.gray_GC; -#ifdef notdef - if (region != NULL) - XSetRegion(XtDisplay(gw), gc, region); -#endif /*notdef*/ - - if (w->label.pixmap == None) { - int len = w->label.label_len; - char *label = w->label.label; - Position y = w->label.label_y + w->label.font->max_bounds.ascent; - Position ksy = w->label.label_y; - - /* display left bitmap */ - if (w->label.left_bitmap && w->label.lbm_width != 0) - XCopyPlane (XtDisplay(gw), w->label.left_bitmap, XtWindow(gw), gc, - 0, 0, w->label.lbm_width, w->label.lbm_height, - w->label.internal_width, - w->label.internal_height + w->label.lbm_y, 1L); - - if (w->simple.international == True) { - XFontSetExtents *ext = XExtentsOfFontSet(w->label.fontset); - - ksy += XawAbs(ext->max_ink_extent.y); - - if (len == MULTI_LINE_LABEL) { - char *nl; - - while ((nl = index(label, '\n')) != NULL) { - XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, - gc, w->label.label_x, ksy, label, - (int)(nl - label)); - ksy += ext->max_ink_extent.height; - label = nl + 1; - } - len = strlen(label); - } - if (len) - XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, gc, - w->label.label_x, ksy, label, len); - } - else { - if (len == MULTI_LINE_LABEL) { - char *nl; - - while ((nl = index(label, '\n')) != NULL) { - if (w->label.encoding) - XDrawString16(XtDisplay(gw), XtWindow(gw), gc, - w->label.label_x, y, - (TXT16*)label, (int)(nl - label) / 2); - else - XDrawString(XtDisplay(gw), XtWindow(gw), gc, - w->label.label_x, y, label, (int)(nl - label)); - y += w->label.font->max_bounds.ascent + - w->label.font->max_bounds.descent; - label = nl + 1; - } - len = strlen(label); - } - if (len) { - if (w->label.encoding) - XDrawString16(XtDisplay(gw), XtWindow(gw), gc, - w->label.label_x, y, (TXT16*)label, len / 2); - else - XDrawString(XtDisplay(gw), XtWindow(gw), gc, - w->label.label_x, y, label, len); - } - } - } - else if (w->label.label_len == 1) - XCopyPlane(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc, - 0, 0, w->label.label_width, w->label.label_height, - w->label.label_x, w->label.label_y, 1L); - else - XCopyArea(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc, - 0, 0, w->label.label_width, w->label.label_height, - w->label.label_x, w->label.label_y); - -#ifdef notdef - if (region != NULL) - XSetClipMask(XtDisplay(gw), gc, (Pixmap)None); -#endif /* notdef */ -} - -static void -_Reposition(LabelWidget lw, unsigned int width, unsigned int height, - Position *dx, Position *dy) -{ - Position newPos; - Position leftedge = lw->label.internal_width + LEFT_OFFSET(lw); - - switch (lw->label.justify) { - case XtJustifyLeft: - newPos = leftedge; - break; - case XtJustifyRight: - newPos = width - (lw->label.label_width + lw->label.internal_width); - break; - case XtJustifyCenter: - /*FALLTRHOUGH*/ - default: - newPos = (int)(width - lw->label.label_width) >> 1; - break; - } - if (newPos < (Position)leftedge) - newPos = leftedge; - *dx = newPos - lw->label.label_x; - lw->label.label_x = newPos; - - newPos = (height - lw->label.label_height) >> 1; - *dy = newPos - lw->label.label_y; - lw->label.label_y = newPos; -} - -static void -XawLabelResize(Widget w) -{ - LabelWidget lw = (LabelWidget)w; - Position dx, dy; - - _Reposition(lw, XtWidth(w), XtHeight(w), &dx, &dy); - compute_bitmap_offsets(lw); -} - -#define PIXMAP 0 -#define WIDTH 1 -#define HEIGHT 2 -#define NUM_CHECKS 3 -static Boolean -XawLabelSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - LabelWidget curlw = (LabelWidget)current; - LabelWidget reqlw = (LabelWidget)request; - LabelWidget newlw = (LabelWidget)cnew; - unsigned int i; - Boolean was_resized = False, redisplay = False, checks[NUM_CHECKS]; - - for (i = 0; i < NUM_CHECKS; i++) - checks[i] = False; - - for (i = 0; i < *num_args; i++) { - if (streq(XtNbitmap, args[i].name)) - checks[PIXMAP] = True; - else if (streq(XtNwidth, args[i].name)) - checks[WIDTH] = True; - else if (streq(XtNheight, args[i].name)) - checks[HEIGHT] = True; - } - - if (newlw->label.label == NULL) - newlw->label.label = newlw->core.name; - - /* - * resize on bitmap change - */ - if (curlw->label.left_bitmap != newlw->label.left_bitmap) - was_resized = True; - - if (curlw->label.encoding != newlw->label.encoding) - was_resized = True; - - if (curlw->simple.international - && curlw->label.fontset != newlw->label.fontset) - was_resized = True; - - if (curlw->label.label != newlw->label.label) { - if (curlw->label.label != curlw->core.name) - XtFree((char *)curlw->label.label); - - if (newlw->label.label != newlw->core.name) - newlw->label.label = XtNewString(newlw->label.label); - - was_resized = True; - } - - if (was_resized || (curlw->label.font != newlw->label.font) || - curlw->label.justify != newlw->label.justify || checks[PIXMAP]) { - SetTextWidthAndHeight(newlw); - was_resized = True; - } - - /* recalculate the window size if something has changed */ - if (newlw->label.resize && was_resized) { - if (XtHeight(curlw) == XtHeight(reqlw) && !checks[HEIGHT]) - XtHeight(newlw) = newlw->label.label_height + - (newlw->label.internal_height << 1); - - set_bitmap_info(newlw); - - if (XtWidth(curlw) == XtWidth(reqlw) && !checks[WIDTH]) - XtWidth(newlw) = newlw->label.label_width + LEFT_OFFSET(newlw) + - (newlw->label.internal_width << 1); - } - - if (curlw->label.foreground != newlw->label.foreground - || curlw->core.background_pixel != newlw->core.background_pixel - || curlw->label.font->fid != newlw->label.font->fid) { - /* The Fontset is not in the GC - don't make a new GC if FS changes! */ - XtReleaseGC(cnew, curlw->label.normal_GC); - XtReleaseGC(cnew, curlw->label.gray_GC); - XmuReleaseStippledPixmap(XtScreen(current), curlw->label.stipple); - GetNormalGC(newlw); - GetGrayGC(newlw); - redisplay = True; - } - - if (curlw->label.label_x != newlw->label.label_x || - curlw->label.label_y != newlw->label.label_y) - redisplay = True; - - if (curlw->label.internal_width != newlw->label.internal_width - || curlw->label.internal_height != newlw->label.internal_height - || was_resized) { - /* Resize() will be called if geometry changes succeed */ - Position dx, dy; - - _Reposition(newlw, XtWidth(curlw), XtHeight(curlw), &dx, &dy); - } - - return (was_resized || redisplay || - XtIsSensitive(current) != XtIsSensitive(cnew)); -} - -static void -XawLabelDestroy(Widget w) -{ - LabelWidget lw = (LabelWidget)w; - - if (lw->label.label != lw->core.name) - XtFree(lw->label.label); - XtReleaseGC(w, lw->label.normal_GC); - XtReleaseGC(w, lw->label.gray_GC); - XmuReleaseStippledPixmap(XtScreen(w), lw->label.stipple); -} - -static XtGeometryResult -XawLabelQueryGeometry(Widget w, XtWidgetGeometry *intended, - XtWidgetGeometry *preferred) -{ - LabelWidget lw = (LabelWidget)w; - - preferred->request_mode = CWWidth | CWHeight; - preferred->width = lw->label.label_width + - (lw->label.internal_width << 1) + LEFT_OFFSET(lw); - preferred->height = lw->label.label_height + - (lw->label.internal_height << 1); - - if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight)) - && intended->width == preferred->width - && intended->height == preferred->height) - return (XtGeometryYes); - else if (preferred->width == XtWidth(w) && preferred->height == XtHeight(w)) - return (XtGeometryNo); - - return (XtGeometryAlmost); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xaw/LabelP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define streq(a, b) (strcmp((a), (b)) == 0)
+
+#define MULTI_LINE_LABEL 32767
+
+#ifdef CRAY
+#define WORD64
+#endif
+
+/*
+ * Class Methods
+ */
+static void XawLabelClassInitialize(void);
+static void XawLabelDestroy(Widget);
+static void XawLabelInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawLabelQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawLabelRedisplay(Widget, XEvent*, Region);
+static void XawLabelResize(Widget);
+static Boolean XawLabelSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+#ifdef WORD64
+static int _XawLabelWidth16(XFontStruct*, char*, int);
+static void _XawLabelDraw16(Display*, Drawable, GC, int, int, char*, int);
+#endif
+static void compute_bitmap_offsets(LabelWidget);
+static void GetGrayGC(LabelWidget);
+static void GetNormalGC(LabelWidget);
+static void _Reposition(LabelWidget, unsigned int, unsigned int,
+ Position*, Position*);
+static void set_bitmap_info(LabelWidget);
+static void SetTextWidthAndHeight(LabelWidget);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(LabelRec, field)
+static XtResource resources[] = {
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(label.foreground),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNfont,
+ XtCFont,
+ XtRFontStruct,
+ sizeof(XFontStruct*),
+ offset(label.font),
+ XtRString,
+ XtDefaultFont
+ },
+ {
+ XtNfontSet,
+ XtCFontSet,
+ XtRFontSet,
+ sizeof(XFontSet),
+ offset(label.fontset),
+ XtRString,
+ XtDefaultFontSet
+ },
+ {
+ XtNlabel,
+ XtCLabel,
+ XtRString,
+ sizeof(String),
+ offset(label.label),
+ XtRString,
+ NULL
+ },
+ {
+ XtNencoding,
+ XtCEncoding,
+ XtRUnsignedChar,
+ sizeof(unsigned char),
+ offset(label.encoding),
+ XtRImmediate,
+ (XtPointer)XawTextEncoding8bit
+ },
+ {
+ XtNjustify,
+ XtCJustify,
+ XtRJustify,
+ sizeof(XtJustify),
+ offset(label.justify),
+ XtRImmediate,
+ (XtPointer)XtJustifyCenter
+ },
+ {
+ XtNinternalWidth,
+ XtCWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(label.internal_width),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNinternalHeight,
+ XtCHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(label.internal_height),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNleftBitmap,
+ XtCLeftBitmap,
+ XtRBitmap,
+ sizeof(Pixmap),
+ offset(label.left_bitmap),
+ XtRImmediate,
+ (XtPointer)None
+ },
+ {
+ XtNbitmap,
+ XtCPixmap,
+ XtRBitmap,
+ sizeof(Pixmap),
+ offset(label.pixmap),
+ XtRImmediate,
+ (XtPointer)None
+ },
+ {
+ XtNresize,
+ XtCResize,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(label.resize),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNlabelX,
+ XtCPosition,
+ XtRPosition,
+ sizeof(Position),
+ offset(label.label_x),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNlabelY,
+ XtCPosition,
+ XtRPosition,
+ sizeof(Position),
+ offset(label.label_y),
+ XtRImmediate,
+ (XtPointer)0
+ },
+};
+#undef offset
+
+#define Superclass (&simpleClassRec)
+LabelClassRec labelClassRec = {
+ /* core */
+ {
+ (WidgetClass)&simpleClassRec, /* superclass */
+ "Label", /* class_name */
+ sizeof(LabelRec), /* widget_size */
+ XawLabelClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawLabelInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawLabelDestroy, /* destroy */
+ XawLabelResize, /* resize */
+ XawLabelRedisplay, /* expose */
+ XawLabelSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XawLabelQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawLabelClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0);
+ XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+#ifndef WORD64
+#define TXT16 XChar2b
+#else
+#define TXT16 char
+
+static XChar2b *buf2b;
+static int buf2blen = 0;
+
+static int
+_XawLabelWidth16(XFontStruct *fs, char *str, int n)
+{
+ int i;
+ XChar2b *ptr;
+
+ if (n > buf2blen) {
+ buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b));
+ buf2blen = n;
+ }
+ for (ptr = buf2b, i = n; --i >= 0; ptr++) {
+ ptr->byte1 = *str++;
+ ptr->byte2 = *str++;
+ }
+
+ return (XTextWidth16(fs, buf2b, n));
+}
+
+static void
+_XawLabelDraw16(Display *dpy, Drawable d, GC gc, int x, int y,
+ char *str, int n)
+{
+ int i;
+ XChar2b *ptr;
+
+ if (n > buf2blen) {
+ buf2b = (XChar2b *)XtRealloc((char *)buf2b, n * sizeof(XChar2b));
+ buf2blen = n;
+ }
+ for (ptr = buf2b, i = n; --i >= 0; ptr++) {
+ ptr->byte1 = *str++;
+ ptr->byte2 = *str++;
+ }
+ XDrawString16(dpy, d, gc, x, y, buf2b, n);
+}
+
+#define XTextWidth16 _XawLabelWidth16
+#define XDrawString16 _XawLabelDraw16
+#endif /* WORD64 */
+
+/*
+ * Calculate width and height of displayed text in pixels
+ */
+static void
+SetTextWidthAndHeight(LabelWidget lw)
+{
+ XFontStruct *fs = lw->label.font;
+ char *nl;
+
+ if (lw->label.pixmap != None) {
+ Window root;
+ int x, y;
+ unsigned int width, height, bw, depth;
+
+ if (XGetGeometry(XtDisplay(lw), lw->label.pixmap, &root, &x, &y,
+ &width, &height, &bw, &depth)) {
+ lw->label.label_height = height;
+ lw->label.label_width = width;
+ lw->label.label_len = depth;
+ return;
+ }
+ }
+ if (lw->simple.international == True) {
+ XFontSet fset = lw->label.fontset;
+ XFontSetExtents *ext = XExtentsOfFontSet(fset);
+
+ lw->label.label_height = ext->max_ink_extent.height;
+ if (lw->label.label == NULL) {
+ lw->label.label_len = 0;
+ lw->label.label_width = 0;
+ }
+ else if ((nl = index(lw->label.label, '\n')) != NULL) {
+ char *label;
+
+ lw->label.label_len = MULTI_LINE_LABEL;
+ lw->label.label_width = 0;
+ for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) {
+ int width = XmbTextEscapement(fset, label, (int)(nl - label));
+
+ if (width > (int)lw->label.label_width)
+ lw->label.label_width = width;
+ label = nl + 1;
+ if (*label)
+ lw->label.label_height += ext->max_ink_extent.height;
+ }
+ if (*label) {
+ int width = XmbTextEscapement(fset, label, strlen(label));
+
+ if (width > (int)lw->label.label_width)
+ lw->label.label_width = width;
+ }
+ }
+ else {
+ lw->label.label_len = strlen(lw->label.label);
+ lw->label.label_width =
+ XmbTextEscapement(fset, lw->label.label, lw->label.label_len);
+ }
+ }
+ else {
+ lw->label.label_height = fs->max_bounds.ascent + fs->max_bounds.descent;
+ if (lw->label.label == NULL) {
+ lw->label.label_len = 0;
+ lw->label.label_width = 0;
+ }
+ else if ((nl = index(lw->label.label, '\n')) != NULL) {
+ char *label;
+
+ lw->label.label_len = MULTI_LINE_LABEL;
+ lw->label.label_width = 0;
+ for (label = lw->label.label; nl != NULL; nl = index(label, '\n')) {
+ int width;
+
+ if (lw->label.encoding)
+ width = XTextWidth16(fs, (TXT16*)label, (int)(nl - label) / 2);
+ else
+ width = XTextWidth(fs, label, (int)(nl - label));
+ if (width > (int)lw->label.label_width)
+ lw->label.label_width = width;
+ label = nl + 1;
+ if (*label)
+ lw->label.label_height +=
+ fs->max_bounds.ascent + fs->max_bounds.descent;
+ }
+ if (*label) {
+ int width = XTextWidth(fs, label, strlen(label));
+
+ if (lw->label.encoding)
+ width = XTextWidth16(fs, (TXT16*)label, strlen(label) / 2);
+ else
+ width = XTextWidth(fs, label, strlen(label));
+ if (width > (int) lw->label.label_width)
+ lw->label.label_width = width;
+ }
+ }
+ else {
+ lw->label.label_len = strlen(lw->label.label);
+ if (lw->label.encoding)
+ lw->label.label_width =
+ XTextWidth16(fs, (TXT16*)lw->label.label,
+ (int)lw->label.label_len / 2);
+ else
+ lw->label.label_width =
+ XTextWidth(fs, lw->label.label, (int)lw->label.label_len);
+ }
+ }
+}
+
+static void
+GetNormalGC(LabelWidget lw)
+{
+ XGCValues values;
+
+ values.foreground = lw->label.foreground;
+ values.background = lw->core.background_pixel;
+ values.font = lw->label.font->fid;
+ values.graphics_exposures = False;
+
+ if (lw->simple.international == True)
+ /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */
+ lw->label.normal_GC = XtAllocateGC((Widget)lw, 0,
+ GCForeground | GCBackground |
+ GCGraphicsExposures,
+ &values, GCFont, 0);
+ else
+ lw->label.normal_GC = XtGetGC((Widget)lw,
+ GCForeground | GCBackground | GCFont |
+ GCGraphicsExposures, &values);
+}
+
+static void
+GetGrayGC(LabelWidget lw)
+{
+ XGCValues values;
+
+ values.foreground = lw->label.foreground;
+ values.background = lw->core.background_pixel;
+ values.font = lw->label.font->fid;
+ values.fill_style = FillTiled;
+ values.tile = XmuCreateStippledPixmap(XtScreen((Widget)lw),
+ lw->label.foreground,
+ lw->core.background_pixel,
+ lw->core.depth);
+ values.graphics_exposures = False;
+
+ lw->label.stipple = values.tile;
+ if (lw->simple.international == True)
+ /* Since Xmb/wcDrawString eats the font, I must use XtAllocateGC */
+ lw->label.gray_GC = XtAllocateGC((Widget)lw, 0,
+ GCForeground | GCBackground |
+ GCTile | GCFillStyle |
+ GCGraphicsExposures,
+ &values, GCFont, 0);
+ else
+ lw->label.gray_GC = XtGetGC((Widget)lw,
+ GCForeground | GCBackground |
+ GCFont | GCTile | GCFillStyle |
+ GCGraphicsExposures,
+ &values);
+}
+
+static void
+compute_bitmap_offsets(LabelWidget lw)
+{
+ /*
+ * bitmap will be eventually be displayed at
+ * (internal_width, internal_height + lbm_y)
+ */
+ if (lw->label.lbm_height != 0)
+ lw->label.lbm_y = (XtHeight(lw) - (lw->label.internal_height * 2 +
+ lw->label.lbm_height)) / 2;
+ else
+ lw->label.lbm_y = 0;
+}
+
+static void
+set_bitmap_info(LabelWidget lw)
+{
+ Window root;
+ int x, y;
+ unsigned int bw, depth;
+
+ if (!(lw->label.left_bitmap
+ && XGetGeometry(XtDisplay(lw), lw->label.left_bitmap, &root, &x, &y,
+ &lw->label.lbm_width, &lw->label.lbm_height,
+ &bw, &depth)))
+ lw->label.lbm_width = lw->label.lbm_height = 0;
+
+ compute_bitmap_offsets(lw);
+}
+
+/*ARGSUSED*/
+static void
+XawLabelInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ LabelWidget lw = (LabelWidget)cnew;
+
+ if (!lw->label.font) XtError("Aborting: no font found\n");
+ if (lw->simple.international && !lw->label.fontset)
+ XtError("Aborting: no fontset found\n");
+
+ if (lw->label.label == NULL)
+ lw->label.label = XtNewString(lw->core.name);
+ else
+ lw->label.label = XtNewString(lw->label.label);
+
+ GetNormalGC(lw);
+ GetGrayGC(lw);
+
+ SetTextWidthAndHeight(lw);
+
+ if (XtHeight(lw) == 0)
+ XtHeight(lw) = lw->label.label_height + 2 * lw->label.internal_height;
+
+ set_bitmap_info(lw); /* need core.height */
+
+ if (XtWidth(lw) == 0) /* need label.lbm_width */
+ XtWidth(lw) = lw->label.label_width + 2 * lw->label.internal_width +
+ LEFT_OFFSET(lw);
+
+ lw->label.label_x = lw->label.label_y = 0;
+ (*XtClass(cnew)->core_class.resize)((Widget)lw);
+}
+
+/*ARGSUSED*/
+static void
+XawLabelRedisplay(Widget gw, XEvent *event, Region region)
+{
+ LabelWidget w = (LabelWidget)gw;
+ GC gc;
+
+ if (*Superclass->core_class.expose != NULL)
+ (*Superclass->core_class.expose)(gw, event, region);
+
+ gc = XtIsSensitive(gw) ? w->label.normal_GC : w->label.gray_GC;
+#ifdef notdef
+ if (region != NULL)
+ XSetRegion(XtDisplay(gw), gc, region);
+#endif /*notdef*/
+
+ if (w->label.pixmap == None) {
+ int len = w->label.label_len;
+ char *label = w->label.label;
+ Position y = w->label.label_y + w->label.font->max_bounds.ascent;
+ Position ksy = w->label.label_y;
+
+ /* display left bitmap */
+ if (w->label.left_bitmap && w->label.lbm_width != 0)
+ XCopyPlane (XtDisplay(gw), w->label.left_bitmap, XtWindow(gw), gc,
+ 0, 0, w->label.lbm_width, w->label.lbm_height,
+ w->label.internal_width,
+ w->label.internal_height + w->label.lbm_y, 1L);
+
+ if (w->simple.international == True) {
+ XFontSetExtents *ext = XExtentsOfFontSet(w->label.fontset);
+
+ ksy += XawAbs(ext->max_ink_extent.y);
+
+ if (len == MULTI_LINE_LABEL) {
+ char *nl;
+
+ while ((nl = index(label, '\n')) != NULL) {
+ XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset,
+ gc, w->label.label_x, ksy, label,
+ (int)(nl - label));
+ ksy += ext->max_ink_extent.height;
+ label = nl + 1;
+ }
+ len = strlen(label);
+ }
+ if (len)
+ XmbDrawString(XtDisplay(w), XtWindow(w), w->label.fontset, gc,
+ w->label.label_x, ksy, label, len);
+ }
+ else {
+ if (len == MULTI_LINE_LABEL) {
+ char *nl;
+
+ while ((nl = index(label, '\n')) != NULL) {
+ if (w->label.encoding)
+ XDrawString16(XtDisplay(gw), XtWindow(gw), gc,
+ w->label.label_x, y,
+ (TXT16*)label, (int)(nl - label) / 2);
+ else
+ XDrawString(XtDisplay(gw), XtWindow(gw), gc,
+ w->label.label_x, y, label, (int)(nl - label));
+ y += w->label.font->max_bounds.ascent +
+ w->label.font->max_bounds.descent;
+ label = nl + 1;
+ }
+ len = strlen(label);
+ }
+ if (len) {
+ if (w->label.encoding)
+ XDrawString16(XtDisplay(gw), XtWindow(gw), gc,
+ w->label.label_x, y, (TXT16*)label, len / 2);
+ else
+ XDrawString(XtDisplay(gw), XtWindow(gw), gc,
+ w->label.label_x, y, label, len);
+ }
+ }
+ }
+ else if (w->label.label_len == 1)
+ XCopyPlane(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc,
+ 0, 0, w->label.label_width, w->label.label_height,
+ w->label.label_x, w->label.label_y, 1L);
+ else
+ XCopyArea(XtDisplay(gw), w->label.pixmap, XtWindow(gw), gc,
+ 0, 0, w->label.label_width, w->label.label_height,
+ w->label.label_x, w->label.label_y);
+
+#ifdef notdef
+ if (region != NULL)
+ XSetClipMask(XtDisplay(gw), gc, (Pixmap)None);
+#endif /* notdef */
+}
+
+static void
+_Reposition(LabelWidget lw, unsigned int width, unsigned int height,
+ Position *dx, Position *dy)
+{
+ Position newPos;
+ Position leftedge = lw->label.internal_width + LEFT_OFFSET(lw);
+
+ switch (lw->label.justify) {
+ case XtJustifyLeft:
+ newPos = leftedge;
+ break;
+ case XtJustifyRight:
+ newPos = width - (lw->label.label_width + lw->label.internal_width);
+ break;
+ case XtJustifyCenter:
+ /*FALLTRHOUGH*/
+ default:
+ newPos = (int)(width - lw->label.label_width) >> 1;
+ break;
+ }
+ if (newPos < (Position)leftedge)
+ newPos = leftedge;
+ *dx = newPos - lw->label.label_x;
+ lw->label.label_x = newPos;
+
+ newPos = ((int)(height - lw->label.label_height)) >> 1;
+ *dy = newPos - lw->label.label_y;
+ lw->label.label_y = newPos;
+}
+
+static void
+XawLabelResize(Widget w)
+{
+ LabelWidget lw = (LabelWidget)w;
+ Position dx, dy;
+
+ _Reposition(lw, XtWidth(w), XtHeight(w), &dx, &dy);
+ compute_bitmap_offsets(lw);
+}
+
+#define PIXMAP 0
+#define WIDTH 1
+#define HEIGHT 2
+#define NUM_CHECKS 3
+static Boolean
+XawLabelSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ LabelWidget curlw = (LabelWidget)current;
+ LabelWidget reqlw = (LabelWidget)request;
+ LabelWidget newlw = (LabelWidget)cnew;
+ unsigned int i;
+ Boolean was_resized = False, redisplay = False, checks[NUM_CHECKS];
+
+ for (i = 0; i < NUM_CHECKS; i++)
+ checks[i] = False;
+
+ for (i = 0; i < *num_args; i++) {
+ if (streq(XtNbitmap, args[i].name))
+ checks[PIXMAP] = True;
+ else if (streq(XtNwidth, args[i].name))
+ checks[WIDTH] = True;
+ else if (streq(XtNheight, args[i].name))
+ checks[HEIGHT] = True;
+ }
+
+ if (newlw->label.label == NULL)
+ newlw->label.label = newlw->core.name;
+
+ /*
+ * resize on bitmap change
+ */
+ if (curlw->label.left_bitmap != newlw->label.left_bitmap)
+ was_resized = True;
+
+ if (curlw->label.encoding != newlw->label.encoding)
+ was_resized = True;
+
+ if (curlw->simple.international
+ && curlw->label.fontset != newlw->label.fontset)
+ was_resized = True;
+
+ if (curlw->label.label != newlw->label.label) {
+ if (curlw->label.label != curlw->core.name)
+ XtFree((char *)curlw->label.label);
+
+ if (newlw->label.label != newlw->core.name)
+ newlw->label.label = XtNewString(newlw->label.label);
+
+ was_resized = True;
+ }
+
+ if (was_resized || (curlw->label.font != newlw->label.font) ||
+ curlw->label.justify != newlw->label.justify || checks[PIXMAP]) {
+ SetTextWidthAndHeight(newlw);
+ was_resized = True;
+ }
+
+ /* recalculate the window size if something has changed */
+ if (newlw->label.resize && was_resized) {
+ if (XtHeight(curlw) == XtHeight(reqlw) && !checks[HEIGHT])
+ XtHeight(newlw) = newlw->label.label_height +
+ (newlw->label.internal_height << 1);
+
+ set_bitmap_info(newlw);
+
+ if (XtWidth(curlw) == XtWidth(reqlw) && !checks[WIDTH])
+ XtWidth(newlw) = newlw->label.label_width + LEFT_OFFSET(newlw) +
+ (newlw->label.internal_width << 1);
+ }
+
+ if (curlw->label.foreground != newlw->label.foreground
+ || curlw->core.background_pixel != newlw->core.background_pixel
+ || curlw->label.font->fid != newlw->label.font->fid) {
+ /* The Fontset is not in the GC - don't make a new GC if FS changes! */
+ XtReleaseGC(cnew, curlw->label.normal_GC);
+ XtReleaseGC(cnew, curlw->label.gray_GC);
+ XmuReleaseStippledPixmap(XtScreen(current), curlw->label.stipple);
+ GetNormalGC(newlw);
+ GetGrayGC(newlw);
+ redisplay = True;
+ }
+
+ if (curlw->label.label_x != newlw->label.label_x ||
+ curlw->label.label_y != newlw->label.label_y)
+ redisplay = True;
+
+ if (curlw->label.internal_width != newlw->label.internal_width
+ || curlw->label.internal_height != newlw->label.internal_height
+ || was_resized) {
+ /* Resize() will be called if geometry changes succeed */
+ Position dx, dy;
+
+ _Reposition(newlw, XtWidth(curlw), XtHeight(curlw), &dx, &dy);
+ }
+
+ return (was_resized || redisplay ||
+ XtIsSensitive(current) != XtIsSensitive(cnew));
+}
+
+static void
+XawLabelDestroy(Widget w)
+{
+ LabelWidget lw = (LabelWidget)w;
+
+ if (lw->label.label != lw->core.name)
+ XtFree(lw->label.label);
+ XtReleaseGC(w, lw->label.normal_GC);
+ XtReleaseGC(w, lw->label.gray_GC);
+ XmuReleaseStippledPixmap(XtScreen(w), lw->label.stipple);
+}
+
+static XtGeometryResult
+XawLabelQueryGeometry(Widget w, XtWidgetGeometry *intended,
+ XtWidgetGeometry *preferred)
+{
+ LabelWidget lw = (LabelWidget)w;
+
+ preferred->request_mode = CWWidth | CWHeight;
+ preferred->width = lw->label.label_width +
+ (lw->label.internal_width << 1) + LEFT_OFFSET(lw);
+ preferred->height = lw->label.label_height +
+ (lw->label.internal_height << 1);
+
+ if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight))
+ && intended->width == preferred->width
+ && intended->height == preferred->height)
+ return (XtGeometryYes);
+ else if (preferred->width == XtWidth(w) && preferred->height == XtHeight(w))
+ return (XtGeometryNo);
+
+ return (XtGeometryAlmost);
+}
diff --git a/libXaw/src/List.c b/libXaw/src/List.c index 287151d50..14e351842 100644 --- a/libXaw/src/List.c +++ b/libXaw/src/List.c @@ -1,1270 +1,1270 @@ -/* -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. -*/ - -/* - * List.c - List widget - * - * This is a List widget. It allows the user to select an item in a list and - * notifies the application through a callback function. - * - * Created: 8/13/88 - * By: Chris D. Peterson - * MIT X Consortium - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <ctype.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xaw/ListP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define HeightLock 1 -#define WidthLock 2 -#define LongestLock 4 - -#define HeightFree(w) !(((ListWidget)(w))->list.freedoms & HeightLock) -#define WidthFree(w) !(((ListWidget)(w))->list.freedoms & WidthLock) -#define LongestFree(w) !(((ListWidget)(w))->list.freedoms & LongestLock) - -#define MaxSize 32767 - -/* - * Class Methods - */ -static void XawListDestroy(Widget); -static void XawListInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawListQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawListRedisplay(Widget, XEvent*, Region); -static void XawListResize(Widget); -static Boolean XawListSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static void CalculatedValues(Widget); -static void ChangeSize(Widget, unsigned int, unsigned int); -static void ClipToShadowInteriorAndLongest(ListWidget, GC*, unsigned int); -static int CvtToItem(Widget, int, int, int*); -static void FindCornerItems(Widget, XEvent*, int*, int*); -static void GetGCs(Widget); -static void HighlightBackground(Widget, int, int, GC); -static Bool ItemInRectangle(Widget, int, int, int); -static Bool Layout(Widget, Bool, Bool, Dimension*, Dimension*); -static void PaintItemName(Widget, int); -static void ResetList(Widget, Bool, Bool); - -/* - * Actions - */ -static void Notify(Widget, XEvent*, String*, Cardinal*); -static void Set(Widget, XEvent*, String*, Cardinal*); -static void Unset(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -static char defaultTranslations[] = -"<Btn1Down>:" "Set()\n" -"<Btn1Up>:" "Notify()\n" -; - -#define offset(field) XtOffsetOf(ListRec, field) -static XtResource resources[] = { - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(list.foreground), - XtRString, - XtDefaultForeground - }, - { - XtNcursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(simple.cursor), - XtRString, - "left_ptr" - }, - { - XtNfont, - XtCFont, - XtRFontStruct, - sizeof(XFontStruct*), - offset(list.font), - XtRString, - XtDefaultFont - }, - { - XtNfontSet, - XtCFontSet, - XtRFontSet, - sizeof(XFontSet), - offset(list.fontset), - XtRString, - XtDefaultFontSet - }, - { - XtNlist, - XtCList, - XtRPointer, - sizeof(char**), - offset(list.list), -#ifdef notyet - XtRStringArray, -#else - XtRString, -#endif - NULL - }, - { - XtNdefaultColumns, - XtCColumns, - XtRInt, - sizeof(int), - offset(list.default_cols), - XtRImmediate, - (XtPointer)2 - }, - { - XtNlongest, - XtCLongest, - XtRInt, - sizeof(int), - offset(list.longest), - XtRImmediate, - (XtPointer)0 - }, - { - XtNnumberStrings, - XtCNumberStrings, - XtRInt, - sizeof(int), - offset(list.nitems), - XtRImmediate, - (XtPointer)0 - }, - { - XtNpasteBuffer, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(list.paste), - XtRImmediate, - (XtPointer)False - }, - { - XtNforceColumns, - XtCColumns, - XtRBoolean, - sizeof(Boolean), - offset(list.force_cols), - XtRImmediate, - (XtPointer)False - }, - { - XtNverticalList, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(list.vertical_cols), - XtRImmediate, - (XtPointer)False - }, - { - XtNinternalWidth, - XtCWidth, - XtRDimension, - sizeof(Dimension), - offset(list.internal_width), - XtRImmediate, - (XtPointer)2 - }, - { - XtNinternalHeight, - XtCHeight, - XtRDimension, - sizeof(Dimension), - offset(list.internal_height), - XtRImmediate, - (XtPointer)2 - }, - { - XtNcolumnSpacing, - XtCSpacing, - XtRDimension, - sizeof(Dimension), - offset(list.column_space), - XtRImmediate, - (XtPointer)6 - }, - { - XtNrowSpacing, - XtCSpacing, - XtRDimension, - sizeof(Dimension), - offset(list.row_space), - XtRImmediate, - (XtPointer)2 - }, - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(list.callback), - XtRCallback, - NULL - }, -#ifndef OLDXAW - { - XtNshowCurrent, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(list.show_current), - XtRImmediate, - (XtPointer)False - }, -#endif -}; -#undef offset - -static XtActionsRec actions[] = { - {"Notify", Notify}, - {"Set", Set}, - {"Unset", Unset}, -}; - -#define Superclass (&simpleClassRec) -ListClassRec listClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "List", /* class_name */ - sizeof(ListRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawListInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - actions, /* actions */ - XtNumber(actions), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - False, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawListDestroy, /* destroy */ - XawListResize, /* resize */ - XawListRedisplay, /* expose */ - XawListSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XawListQueryGeometry, /* query_geometry */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* list */ - { - NULL, /* extension */ - }, -}; - -WidgetClass listWidgetClass = (WidgetClass)&listClassRec; - -/* - * Implementation - */ -static void -GetGCs(Widget w) -{ - XGCValues values; - ListWidget lw = (ListWidget)w; - - values.foreground = lw->list.foreground; - values.font = lw->list.font->fid; - - if (lw->simple.international == True) - lw->list.normgc = XtAllocateGC(w, 0, GCForeground, &values, GCFont, 0); - else - lw->list.normgc = XtGetGC(w, GCForeground | GCFont, &values); - - values.foreground = lw->core.background_pixel; - - if (lw->simple.international == True) - lw->list.revgc = XtAllocateGC(w, 0, GCForeground, &values, GCFont, 0); - else - lw->list.revgc = XtGetGC(w, GCForeground | GCFont, &values); - - values.tile = XmuCreateStippledPixmap(XtScreen(w), - lw->list.foreground, - lw->core.background_pixel, - lw->core.depth); - values.fill_style = FillTiled; - - if (lw->simple.international == True) - lw->list.graygc = XtAllocateGC(w, 0, GCTile | GCFillStyle, - &values, GCFont, 0); - else - lw->list.graygc = XtGetGC(w, GCFont | GCTile | GCFillStyle, &values); -} - -static void -CalculatedValues(Widget w) -{ - int i, len; - ListWidget lw = (ListWidget)w; - - /* If list is NULL then the list will just be the name of the widget */ - if (lw->list.list == NULL) { - lw->list.list = &lw->core.name; - lw->list.nitems = 1; - } - - /* Get number of items */ - if (lw->list.nitems == 0) - for (; lw->list.list[lw->list.nitems] != NULL ; lw->list.nitems++) - ; - - /* Get column width */ - if (LongestFree(lw)) { - lw->list.longest = 0; /* so it will accumulate real longest below */ - - for (i = 0 ; i < lw->list.nitems; i++) { - if (lw->simple.international == True) - len = XmbTextEscapement(lw->list.fontset, lw->list.list[i], - strlen(lw->list.list[i])); - else - len = XTextWidth(lw->list.font, lw->list.list[i], - strlen(lw->list.list[i])); - if (len > lw->list.longest) - lw->list.longest = len; - } - } - - lw->list.col_width = lw->list.longest + lw->list.column_space; -} - -/* - * Function: - * ResetList - * - * Parameters: - * w - list widget - * changex - allow the height or width to change? - * changey - "" - * - * Description: - * Resets the new list when important things change. - * - * Returns: - * True if width or height have been changed - */ -static void -ResetList(Widget w, Bool changex, Bool changey) -{ - Dimension width = XtWidth(w); - Dimension height = XtHeight(w); - - CalculatedValues(w); - - if (Layout(w, changex, changey, &width, &height)) { - if (XtIsComposite(XtParent(w))) - ChangeSize(w, width, height); - else { - XtWidth(w) = width; - XtHeight(w) = height; - } - } -} - -/* - * Function: - * ChangeSize - * - * Parameters: - * w - widget to try change the size of - * - * Description: - * Laysout the widget. - */ -static void -ChangeSize(Widget w, unsigned int width, unsigned int height) -{ - XtWidgetGeometry request, reply; - - request.request_mode = CWWidth | CWHeight; - request.width = width; - request.height = height; - - switch (XtMakeGeometryRequest(w, &request, &reply)) { - case XtGeometryYes: - case XtGeometryNo: - break; - case XtGeometryAlmost: - Layout(w, request.height != reply.height, - request.width != reply.width, &reply.width, &reply.height); - request = reply; - switch (XtMakeGeometryRequest(w, &request, &reply)) { - case XtGeometryYes: - case XtGeometryNo: - break; - case XtGeometryAlmost: - request = reply; - Layout(w, False, False, &request.width, &request.height); - request.request_mode = CWWidth | CWHeight; - XtMakeGeometryRequest(w, &request, &reply); - /*FALLTROUGH*/ - default: - break; - } - /*FALLTROUGH*/ - default: - break; - } -} - -/*ARGSUSED*/ -static void -XawListInitialize(Widget temp1, Widget cnew, ArgList args, Cardinal *num_args) -{ - ListWidget lw = (ListWidget)cnew; - - if (!lw->list.font) XtError("Aborting: no font found\n"); - if (lw->simple.international && !lw->list.fontset) - XtError("Aborting: no fontset found\n"); - - /* - * Initialize all private resources - */ - /* record for posterity if we are free */ - lw->list.freedoms = ((XtWidth(lw) != 0) * WidthLock + - (XtHeight(lw) != 0) * HeightLock + - (lw->list.longest != 0) * LongestLock); - - GetGCs(cnew); - - /* Set row height, based on font or fontset */ - if (lw->simple.international == True) - lw->list.row_height = - XExtentsOfFontSet(lw->list.fontset)->max_ink_extent.height + - lw->list.row_space; - else - lw->list.row_height = lw->list.font->max_bounds.ascent + - lw->list.font->max_bounds.descent + - lw->list.row_space; - - ResetList(cnew, WidthFree(lw), HeightFree(lw)); - - lw->list.highlight = lw->list.is_highlighted = NO_HIGHLIGHT; -} - -/* - * Function: - * CvtToItem - * - * Parameters: - * w - list widget - * xloc - x location - * yloc - y location - * - * Description: - * Converts Xcoord to item number of item containing that point. - * - * Returns: - * Item number - */ -static int -CvtToItem(Widget w, int xloc, int yloc, int *item) -{ - int one, another; - ListWidget lw = (ListWidget)w; - int ret_val = OKAY; - - if (lw->list.vertical_cols) { - one = lw->list.nrows * ((xloc - (int)lw->list.internal_width) - / lw->list.col_width); - another = (yloc - (int)lw->list.internal_height) / lw->list.row_height; - /* If out of range, return minimum possible value */ - if (another >= lw->list.nrows) { - another = lw->list.nrows - 1; - ret_val = OUT_OF_RANGE; - } - } - else { - one = (lw->list.ncols * ((yloc - (int)lw->list.internal_height) - / lw->list.row_height)); - /* If in right margin handle things right */ - another = (xloc - (int)lw->list.internal_width) / lw->list.col_width; - if (another >= lw->list.ncols) { - another = lw->list.ncols - 1; - ret_val = OUT_OF_RANGE; - } - } - if (xloc < 0 || yloc < 0) - ret_val = OUT_OF_RANGE; - if (one < 0) - one = 0; - if (another < 0) - another = 0; - *item = one + another; - if (*item >= lw->list.nitems) - return (OUT_OF_RANGE); - - return (ret_val); -} - -/* - * Function: - * FindCornerItems - * - * Arguments: - * w - list widget - * event - event structure that has the rectangle it it - * ul_ret - the corners (return) - * lr_ret - "" - * - * Description: - * Find the corners of the rectangle in item space. - */ -static void -FindCornerItems(Widget w, XEvent *event, int *ul_ret, int *lr_ret) -{ - int xloc, yloc; - - xloc = event->xexpose.x; - yloc = event->xexpose.y; - CvtToItem(w, xloc, yloc, ul_ret); - xloc += event->xexpose.width; - yloc += event->xexpose.height; - CvtToItem(w, xloc, yloc, lr_ret); -} - -/* - * Function: - * ItemInRectangle - * - * Parameters: - * w - list widget - * ul - corners of the rectangle in item space - * lr - "" - * item - item to check - * - * Returns: - * True if the item passed is in the given rectangle - */ -static Bool -ItemInRectangle(Widget w, int ul, int lr, int item) -{ - ListWidget lw = (ListWidget)w; - int mod_item; - int things; - - if (item < ul || item > lr) - return (False); - if (lw->list.vertical_cols) - things = lw->list.nrows; - else - things = lw->list.ncols; - - mod_item = item % things; - if ((mod_item >= ul % things) && (mod_item <= lr % things)) - return (True); - - return (False); -} - -/* HighlightBackground() - * - * Paints the color of the background for the given item. It performs - * clipping to the interior of internal_width/height by hand, as its a - * simple calculation and probably much faster than using Xlib and a clip mask. - * - * x, y - ul corner of the area item occupies. - * gc - the gc to use to paint this rectangle - */ -static void -HighlightBackground(Widget w, int x, int y, GC gc) -{ - ListWidget lw = (ListWidget)w; - Dimension width = lw->list.col_width; - Dimension height = lw->list.row_height; - Dimension frame_limited_width = XtWidth(w) - lw->list.internal_width - x; - Dimension frame_limited_height= XtHeight(w) - lw->list.internal_height - y; - - /* Clip the rectangle width and height to the edge of the drawable area */ - if (width > frame_limited_width) - width = frame_limited_width; - if (height > frame_limited_height) - height = frame_limited_height; - - /* Clip the rectangle x and y to the edge of the drawable area */ - if (x < lw->list.internal_width) { - width = width - (lw->list.internal_width - x); - x = lw->list.internal_width; - } - if (y < lw->list.internal_height) { - height = height - (lw->list.internal_height - y); - y = lw->list.internal_height; - } - - if (gc == lw->list.revgc && lw->core.background_pixmap != XtUnspecifiedPixmap) - XClearArea(XtDisplay(w), XtWindow(w), x, y, width, height, False); - else - XFillRectangle(XtDisplay(w), XtWindow(w), gc, x, y, width, height); -} - - -/* ClipToShadowInteriorAndLongest() - * - * Converts the passed gc so that any drawing done with that GC will not - * write in the empty margin (specified by internal_width/height) (which also - * prevents erasing the shadow. It also clips against the value longest. - * If the user doesn't set longest, this has no effect (as longest is the - * maximum of all item lengths). If the user does specify, say, 80 pixel - * columns, though, this prevents items from overwriting other items. - */ -static void -ClipToShadowInteriorAndLongest(ListWidget lw, GC *gc_p, unsigned int x) -{ - XRectangle rect; - - rect.x = x; - rect.y = lw->list.internal_height; - rect.height = XtHeight(lw) - (lw->list.internal_height << 1); - rect.width = XtWidth(lw) - lw->list.internal_width - x; - if (rect.width > lw->list.longest) - rect.width = lw->list.longest; - - XSetClipRectangles(XtDisplay((Widget)lw), *gc_p, 0, 0, &rect, 1, YXBanded); -} - -static void -PaintItemName(Widget w, int item) -{ - char *str; - GC gc; - int x, y, str_y; - ListWidget lw = (ListWidget)w; - XFontSetExtents *ext = XExtentsOfFontSet(lw->list.fontset); - - if (!XtIsRealized(w) || item > lw->list.nitems) - return; - - if (lw->list.vertical_cols) { - x = lw->list.col_width * (item / lw->list.nrows) - + lw->list.internal_width; - y = lw->list.row_height * (item % lw->list.nrows) - + lw->list.internal_height; - } - else { - x = lw->list.col_width * (item % lw->list.ncols) - + lw->list.internal_width; - y = lw->list.row_height * (item / lw->list.ncols) - + lw->list.internal_height; - } - - if ( lw->simple.international == True ) - str_y = y + XawAbs(ext->max_ink_extent.y); - else - str_y = y + lw->list.font->max_bounds.ascent; - - if (item == lw->list.is_highlighted) { - if (item == lw->list.highlight) { - gc = lw->list.revgc; - HighlightBackground(w, x, y, lw->list.normgc); - } - else { - if (XtIsSensitive(w)) - gc = lw->list.normgc; - else - gc = lw->list.graygc; - HighlightBackground(w, x, y, lw->list.revgc); - lw->list.is_highlighted = NO_HIGHLIGHT; - } - } - else { - if (item == lw->list.highlight) { - gc = lw->list.revgc; - HighlightBackground(w, x, y, lw->list.normgc); - lw->list.is_highlighted = item; - } - else { - if (XtIsSensitive(w)) - gc = lw->list.normgc; - else - gc = lw->list.graygc; - } - } - - /* List's overall width contains the same number of inter-column - column_space's as columns. There should thus be a half - column_width margin on each side of each column. - The row case is symmetric */ - - x += lw->list.column_space >> 1; - str_y += lw->list.row_space >> 1; - - str = lw->list.list[item]; /* draw it */ - - ClipToShadowInteriorAndLongest(lw, &gc, x); - - if (lw->simple.international == True) - XmbDrawString(XtDisplay(w), XtWindow(w), lw->list.fontset, - gc, x, str_y, str, strlen(str)); - else - XDrawString(XtDisplay(w), XtWindow(w), gc, x, str_y, str, strlen(str)); - - XSetClipMask(XtDisplay(w), gc, None); -} - -static void -XawListRedisplay(Widget w, XEvent *event, Region region) -{ - int item; /* an item to work with */ - int ul_item, lr_item; /* corners of items we need to paint */ - ListWidget lw = (ListWidget)w; - - if (event == NULL) { - ul_item = 0; - lr_item = lw->list.nrows * lw->list.ncols - 1; - XClearWindow(XtDisplay(w), XtWindow(w)); - } - else - FindCornerItems(w, event, &ul_item, &lr_item); - - if (Superclass->core_class.expose) - (Superclass->core_class.expose)(w, event, region); - - for (item = ul_item; item <= lr_item && item < lw->list.nitems; item++) - if (ItemInRectangle(w, ul_item, lr_item, item)) - PaintItemName(w, item); -} - -/* XawListQueryGeometry() - * - * This tells the parent what size we would like to be - * given certain constraints. - * w - the widget. - * intended - what the parent intends to do with us. - * requested - what we want to happen */ -static XtGeometryResult -XawListQueryGeometry(Widget w, XtWidgetGeometry *intended, - XtWidgetGeometry *requested) -{ - Dimension new_width, new_height; - Bool change, width_req, height_req; - - width_req = intended->request_mode & CWWidth; - height_req = intended->request_mode & CWHeight; - - if (width_req) - new_width = intended->width; - else - new_width = XtWidth(w); - - if (height_req) - new_height = intended->height; - else - new_height = XtHeight(w); - - requested->request_mode = 0; - - /* - * We only care about our height and width - */ - if (!width_req && !height_req) - return (XtGeometryYes); - - change = Layout(w, !width_req, !height_req, &new_width, &new_height); - - requested->request_mode |= CWWidth; - requested->width = new_width; - requested->request_mode |= CWHeight; - requested->height = new_height; - - if (change) - return (XtGeometryAlmost); - - return (XtGeometryYes); -} - -static void -XawListResize(Widget w) -{ - Dimension width, height; - - width = XtWidth(w); - height = XtHeight(w); - - if (Layout(w, False, False, &width, &height)) - XtAppWarning(XtWidgetToApplicationContext(w), - "List Widget: Size changed when it shouldn't " - "have when resising."); -} - -/* Layout() - * - * lays out the item in the list. - * w - the widget. - * xfree, yfree - True if we are free to resize the widget in - * this direction. - * width, height- the is the current width and height that we are going - * we are going to layout the list widget to, - * depending on xfree and yfree of course. - * - * Return: - * True if width or height have been changed */ -static Bool -Layout(Widget w, Bool xfree, Bool yfree, Dimension *width, Dimension *height) -{ - ListWidget lw = (ListWidget)w; - Bool change = False; - unsigned long width2 = 0, height2 = 0; - - /* - * If force columns is set then always use number of columns specified - * by default_cols - */ - if (lw->list.force_cols) { - lw->list.ncols = lw->list.default_cols; - if (lw->list.ncols <= 0) - lw->list.ncols = 1; - lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1; - if (xfree) { - /* this counts the same number - of inter-column column_space 's as columns. There should thus - be a half column_space margin on each side of each column...*/ - width2 = lw->list.ncols * lw->list.col_width + - (lw->list.internal_width << 1); - change = True; - } - if (yfree) { - height2 = lw->list.nrows * lw->list.row_height + - (lw->list.internal_height << 1); - change = True; - } - } - - /* - * If both width and height are free to change the use default_cols - * to determine the number columns and set new width and height to - * just fit the window - */ - else if (xfree && yfree) { - lw->list.ncols = lw->list.default_cols; - if (lw->list.ncols <= 0) { - int wid = (int)XtWidth(lw) - (int)(lw->list.internal_width << 1) - + (int)lw->list.column_space; - - if (wid <= 0 || lw->list.col_width <= 0 - || (lw->list.ncols = wid / lw->list.col_width) <= 0) - lw->list.ncols = 1; - } - width2 = lw->list.ncols * lw->list.col_width - + (lw->list.internal_width << 1); - height2 = (lw->list.nrows * lw->list.row_height) - + (lw->list.internal_height << 1); - change = True; - } - - /* - * If the width is fixed then use it to determine the number of columns. - * If the height is free to move (width still fixed) then resize the height - * of the widget to fit the current list exactly - */ - else if (!xfree) { - lw->list.ncols = ((int)(*width - (lw->list.internal_width << 1)) - / (int)lw->list.col_width); - if (lw->list.ncols <= 0) - lw->list.ncols = 1; - lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1; - if (yfree) { - height2 = lw->list.nrows * lw->list.row_height + - (lw->list.internal_height << 1); - change = True; - } - } - - /* - * The last case is xfree and !yfree we use the height to determine - * the number of rows and then set the width to just fit the resulting - * number of columns - */ - else if (!yfree) { - lw->list.nrows = ((int)(*height - (lw->list.internal_height << 1)) - / (int)lw->list.row_height); - if (lw->list.nrows <= 0) - lw->list.nrows = 1; - lw->list.ncols = ((lw->list.nitems - 1) / lw->list.nrows) + 1; - width2 = lw->list.ncols * lw->list.col_width + - (lw->list.internal_width << 1); - change = True; - } - - if (!lw->list.force_cols && lw->list.nrows) { - /*CONSTCOND*/ - while (1) { - lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1; - width2 = lw->list.ncols * lw->list.col_width + - (lw->list.internal_width << 1); - height2 = lw->list.nrows * lw->list.row_height + - (lw->list.internal_height << 1); - if (width2 >= MaxSize && height2 >= MaxSize) - break; - if (height2 > MaxSize) - ++lw->list.ncols; - else if (width2 > MaxSize && lw->list.ncols > 1) - --lw->list.ncols; - else - break; - } - } - if (width2) - *width = width2; - if (height2) - *height = height2; - - return (change); -} - -/* Notify() - Action - * - * Notifies the user that a button has been pressed, and - * calls the callback; if the XtNpasteBuffer resource is true - * then the name of the item is also put in CUT_BUFFER0 */ -/*ARGSUSED*/ -static void -Notify(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - ListWidget lw = (ListWidget)w; - int item, item_len; - XawListReturnStruct ret_value; - - /* - * Find item and if out of range then unhighlight and return - * - * If the current item is unhighlighted then the user has aborted the - * notify, so unhighlight and return - */ - if ((CvtToItem(w, event->xbutton.x, event->xbutton.y, &item) == OUT_OF_RANGE) - || lw->list.highlight != item) { -#ifndef OLDXAW - if (!lw->list.show_current || lw->list.selected == NO_HIGHLIGHT) - XawListUnhighlight(w); - else - XawListHighlight(w, lw->list.selected); -#else - XawListUnhighlight(w); -#endif - return; - } - - item_len = strlen(lw->list.list[item]); - - if (lw->list.paste) /* if XtNpasteBuffer set then paste it */ - XStoreBytes(XtDisplay(w), lw->list.list[item], item_len); - -#ifndef OLDXAW - lw->list.selected = item; -#endif - /* - * Call Callback function - */ - ret_value.string = lw->list.list[item]; - ret_value.list_index = item; - - XtCallCallbacks(w, XtNcallback, (XtPointer)&ret_value); -} - -/* Unset() - Action - * - * unhighlights the current element */ -/*ARGSUSED*/ -static void -Unset(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - XawListUnhighlight(w); -} - -/* Set() - Action - * - * Highlights the current element */ -/*ARGSUSED*/ -static void -Set(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - int item; - ListWidget lw = (ListWidget)w; - -#ifndef OLDXAW - lw->list.selected = lw->list.highlight; -#endif - if (CvtToItem(w, event->xbutton.x, event->xbutton.y, &item) == OUT_OF_RANGE) - XawListUnhighlight(w); /* Unhighlight current item */ - else if (lw->list.is_highlighted != item) /* If this item is not */ - XawListHighlight(w, item); /* highlighted then do it */ -} - -/* - * Set specified arguments into widget - */ -/*ARGSUSED*/ -static Boolean -XawListSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ListWidget cl = (ListWidget)current; - ListWidget rl = (ListWidget)request; - ListWidget nl = (ListWidget)cnew; - Bool redraw = False; - XFontSetExtents *ext = XExtentsOfFontSet(nl->list.fontset); - - /* If the request height/width is different, lock it. Unless its 0. If - neither new nor 0, leave it as it was. Not in R5 */ - if (XtWidth(nl) != XtWidth(cl)) - nl->list.freedoms |= WidthLock; - if (XtWidth(nl) == 0) - nl->list.freedoms &= ~WidthLock; - - if (XtHeight(nl) != XtHeight(cl)) - nl->list.freedoms |= HeightLock; - if (XtHeight(nl) == 0) - nl->list.freedoms &= ~HeightLock; - - if (nl->list.longest != cl->list.longest) - nl->list.freedoms |= LongestLock; - if (nl->list.longest == 0) - nl->list.freedoms &= ~LongestLock; - - if (cl->list.foreground != nl->list.foreground || - cl->core.background_pixel != nl->core.background_pixel || - cl->list.font != nl->list.font) { - XGCValues values; - - XGetGCValues(XtDisplay(current), cl->list.graygc, GCTile, &values); - XmuReleaseStippledPixmap(XtScreen(current), values.tile); - XtReleaseGC(current, cl->list.graygc); - XtReleaseGC(current, cl->list.revgc); - XtReleaseGC(current, cl->list.normgc); - GetGCs(cnew); - redraw = True; - } - - if (cl->list.font != nl->list.font && cl->simple.international == False) - nl->list.row_height = nl->list.font->max_bounds.ascent - + nl->list.font->max_bounds.descent - + nl->list.row_space; - else if (cl->list.fontset != nl->list.fontset - && cl->simple.international == True) - nl->list.row_height = ext->max_ink_extent.height + nl->list.row_space; - - /* ...If the above two font(set) change checkers above both failed, check - if row_space was altered. If one of the above passed, row_height will - already have been re-calculated */ - else if (cl->list.row_space != nl->list.row_space) { - if (cl->simple.international == True) - nl->list.row_height = ext->max_ink_extent.height + nl->list.row_space; - else - nl->list.row_height = nl->list.font->max_bounds.ascent - + nl->list.font->max_bounds.descent - + nl->list.row_space; - } - - if (XtWidth(cl) != XtWidth(nl) || XtHeight(cl) != XtHeight(nl) - || cl->list.internal_width != nl->list.internal_width - || cl->list.internal_height != nl->list.internal_height - || cl->list.column_space != nl->list.column_space - || cl->list.row_space != nl->list.row_space - || cl->list.default_cols != nl->list.default_cols - || (cl->list.force_cols != nl->list.force_cols - && rl->list.force_cols != nl->list.ncols) - || cl->list.vertical_cols != nl->list.vertical_cols - || cl->list.longest != nl->list.longest - || cl->list.nitems != nl->list.nitems - || cl->list.font != nl->list.font - /* Equiv. fontsets might have different values, but the same fonts, - so the next comparison is sloppy but not dangerous */ - || cl->list.fontset != nl->list.fontset - || cl->list.list != nl->list.list) { - CalculatedValues(cnew); - Layout(cnew, WidthFree(nl), HeightFree(nl), - &nl->core.width, &nl->core.height); - redraw = True; - } - - if (cl->list.list != nl->list.list || cl->list.nitems != nl->list.nitems) - nl->list.is_highlighted = nl->list.highlight = NO_HIGHLIGHT; - - if (cl->core.sensitive != nl->core.sensitive - || cl->core.ancestor_sensitive != nl->core.ancestor_sensitive) { - nl->list.highlight = NO_HIGHLIGHT; - redraw = True; - } - - return (redraw); -} - -static void -XawListDestroy(Widget w) -{ - ListWidget lw = (ListWidget)w; - XGCValues values; - - XGetGCValues(XtDisplay(w), lw->list.graygc, GCTile, &values); - XmuReleaseStippledPixmap(XtScreen(w), values.tile); - XtReleaseGC(w, lw->list.graygc); - XtReleaseGC(w, lw->list.revgc); - XtReleaseGC(w, lw->list.normgc); -} - -/* - * Function: - * XawListChange - * - * Parameters: - * w - list widget - * list - new list - * nitems - number of items in the list - * longest - length (in Pixels) of the longest element in the list - * resize - if True the the list widget will try to resize itself - * - * Description: - * Changes the list being used and shown. - * - * Note: - * If nitems of longest are <= 0 then they will be calculated - * If nitems is <= 0 then the list needs to be NULL terminated - */ -void -XawListChange(Widget w, char **list, int nitems, int longest, -#if NeedWidePrototypes - int resize_it -#else - Boolean resize_it -#endif -) -{ - ListWidget lw = (ListWidget)w; - Dimension new_width = XtWidth(w); - Dimension new_height = XtHeight(w); - - lw->list.list = list; - - if (nitems <= 0) - nitems = 0; - lw->list.nitems = nitems; - if (longest <= 0) - longest = 0; - - /* If the user passes 0 meaning "calculate it", it must be free */ - if (longest != 0) - lw->list.freedoms |= LongestLock; - else - lw->list.freedoms &= ~LongestLock; - - if (resize_it) - lw->list.freedoms &= ~WidthLock & ~HeightLock; - - lw->list.longest = longest; - - CalculatedValues(w); - - if (Layout(w, WidthFree(w), HeightFree(w), &new_width, &new_height)) - ChangeSize(w, new_width, new_height); - - lw->list.is_highlighted = lw->list.highlight = NO_HIGHLIGHT; - if (XtIsRealized(w)) - XawListRedisplay(w, NULL, NULL); -} - -void -XawListUnhighlight(Widget w) -{ - ListWidget lw = (ListWidget)w; - - lw->list.highlight = NO_HIGHLIGHT; - if (lw->list.is_highlighted != NO_HIGHLIGHT) - PaintItemName(w, lw->list.is_highlighted); -} - -void -XawListHighlight(Widget w, int item) -{ - ListWidget lw = (ListWidget)w; - - if (XtIsSensitive(w)) { - lw->list.highlight = item; - if (lw->list.is_highlighted != NO_HIGHLIGHT) - PaintItemName(w, lw->list.is_highlighted); - PaintItemName(w, item); - } -} - -/* - * Function: - * XawListShowCurrent - * - * Parameters: - * w - list widget - * - * Returns: - * Info about the currently highlighted object - */ -XawListReturnStruct * -XawListShowCurrent(Widget w) -{ - ListWidget lw = (ListWidget)w; - XawListReturnStruct *ret_val; - - ret_val = (XawListReturnStruct *)XtMalloc(sizeof(XawListReturnStruct)); - - ret_val->list_index = lw->list.highlight; - if (ret_val->list_index == XAW_LIST_NONE) - ret_val->string = ""; - else - ret_val->string = lw->list.list[ret_val->list_index]; - - return (ret_val); -} +/*
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+*/
+
+/*
+ * List.c - List widget
+ *
+ * This is a List widget. It allows the user to select an item in a list and
+ * notifies the application through a callback function.
+ *
+ * Created: 8/13/88
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xaw/ListP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define HeightLock 1
+#define WidthLock 2
+#define LongestLock 4
+
+#define HeightFree(w) !(((ListWidget)(w))->list.freedoms & HeightLock)
+#define WidthFree(w) !(((ListWidget)(w))->list.freedoms & WidthLock)
+#define LongestFree(w) !(((ListWidget)(w))->list.freedoms & LongestLock)
+
+#define MaxSize 32767
+
+/*
+ * Class Methods
+ */
+static void XawListDestroy(Widget);
+static void XawListInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawListQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawListRedisplay(Widget, XEvent*, Region);
+static void XawListResize(Widget);
+static Boolean XawListSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void CalculatedValues(Widget);
+static void ChangeSize(Widget, unsigned int, unsigned int);
+static void ClipToShadowInteriorAndLongest(ListWidget, GC*, unsigned int);
+static int CvtToItem(Widget, int, int, int*);
+static void FindCornerItems(Widget, XEvent*, int*, int*);
+static void GetGCs(Widget);
+static void HighlightBackground(Widget, int, int, GC);
+static Bool ItemInRectangle(Widget, int, int, int);
+static Bool Layout(Widget, Bool, Bool, Dimension*, Dimension*);
+static void PaintItemName(Widget, int);
+static void ResetList(Widget, Bool, Bool);
+
+/*
+ * Actions
+ */
+static void Notify(Widget, XEvent*, String*, Cardinal*);
+static void Set(Widget, XEvent*, String*, Cardinal*);
+static void Unset(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+static char defaultTranslations[] =
+"<Btn1Down>:" "Set()\n"
+"<Btn1Up>:" "Notify()\n"
+;
+
+#define offset(field) XtOffsetOf(ListRec, field)
+static XtResource resources[] = {
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(list.foreground),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNcursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(simple.cursor),
+ XtRString,
+ "left_ptr"
+ },
+ {
+ XtNfont,
+ XtCFont,
+ XtRFontStruct,
+ sizeof(XFontStruct*),
+ offset(list.font),
+ XtRString,
+ XtDefaultFont
+ },
+ {
+ XtNfontSet,
+ XtCFontSet,
+ XtRFontSet,
+ sizeof(XFontSet),
+ offset(list.fontset),
+ XtRString,
+ XtDefaultFontSet
+ },
+ {
+ XtNlist,
+ XtCList,
+ XtRPointer,
+ sizeof(char**),
+ offset(list.list),
+#ifdef notyet
+ XtRStringArray,
+#else
+ XtRString,
+#endif
+ NULL
+ },
+ {
+ XtNdefaultColumns,
+ XtCColumns,
+ XtRInt,
+ sizeof(int),
+ offset(list.default_cols),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNlongest,
+ XtCLongest,
+ XtRInt,
+ sizeof(int),
+ offset(list.longest),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNnumberStrings,
+ XtCNumberStrings,
+ XtRInt,
+ sizeof(int),
+ offset(list.nitems),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNpasteBuffer,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(list.paste),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNforceColumns,
+ XtCColumns,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(list.force_cols),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNverticalList,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(list.vertical_cols),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNinternalWidth,
+ XtCWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(list.internal_width),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNinternalHeight,
+ XtCHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(list.internal_height),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNcolumnSpacing,
+ XtCSpacing,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(list.column_space),
+ XtRImmediate,
+ (XtPointer)6
+ },
+ {
+ XtNrowSpacing,
+ XtCSpacing,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(list.row_space),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(list.callback),
+ XtRCallback,
+ NULL
+ },
+#ifndef OLDXAW
+ {
+ XtNshowCurrent,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(list.show_current),
+ XtRImmediate,
+ (XtPointer)False
+ },
+#endif
+};
+#undef offset
+
+static XtActionsRec actions[] = {
+ {"Notify", Notify},
+ {"Set", Set},
+ {"Unset", Unset},
+};
+
+#define Superclass (&simpleClassRec)
+ListClassRec listClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "List", /* class_name */
+ sizeof(ListRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawListInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ False, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawListDestroy, /* destroy */
+ XawListResize, /* resize */
+ XawListRedisplay, /* expose */
+ XawListSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XawListQueryGeometry, /* query_geometry */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* list */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass listWidgetClass = (WidgetClass)&listClassRec;
+
+/*
+ * Implementation
+ */
+static void
+GetGCs(Widget w)
+{
+ XGCValues values;
+ ListWidget lw = (ListWidget)w;
+
+ values.foreground = lw->list.foreground;
+ values.font = lw->list.font->fid;
+
+ if (lw->simple.international == True)
+ lw->list.normgc = XtAllocateGC(w, 0, GCForeground, &values, GCFont, 0);
+ else
+ lw->list.normgc = XtGetGC(w, GCForeground | GCFont, &values);
+
+ values.foreground = lw->core.background_pixel;
+
+ if (lw->simple.international == True)
+ lw->list.revgc = XtAllocateGC(w, 0, GCForeground, &values, GCFont, 0);
+ else
+ lw->list.revgc = XtGetGC(w, GCForeground | GCFont, &values);
+
+ values.tile = XmuCreateStippledPixmap(XtScreen(w),
+ lw->list.foreground,
+ lw->core.background_pixel,
+ lw->core.depth);
+ values.fill_style = FillTiled;
+
+ if (lw->simple.international == True)
+ lw->list.graygc = XtAllocateGC(w, 0, GCTile | GCFillStyle,
+ &values, GCFont, 0);
+ else
+ lw->list.graygc = XtGetGC(w, GCFont | GCTile | GCFillStyle, &values);
+}
+
+static void
+CalculatedValues(Widget w)
+{
+ int i, len;
+ ListWidget lw = (ListWidget)w;
+
+ /* If list is NULL then the list will just be the name of the widget */
+ if (lw->list.list == NULL) {
+ lw->list.list = &lw->core.name;
+ lw->list.nitems = 1;
+ }
+
+ /* Get number of items */
+ if (lw->list.nitems == 0)
+ for (; lw->list.list[lw->list.nitems] != NULL ; lw->list.nitems++)
+ ;
+
+ /* Get column width */
+ if (LongestFree(lw)) {
+ lw->list.longest = 0; /* so it will accumulate real longest below */
+
+ for (i = 0 ; i < lw->list.nitems; i++) {
+ if (lw->simple.international == True)
+ len = XmbTextEscapement(lw->list.fontset, lw->list.list[i],
+ strlen(lw->list.list[i]));
+ else
+ len = XTextWidth(lw->list.font, lw->list.list[i],
+ strlen(lw->list.list[i]));
+ if (len > lw->list.longest)
+ lw->list.longest = len;
+ }
+ }
+
+ lw->list.col_width = lw->list.longest + lw->list.column_space;
+}
+
+/*
+ * Function:
+ * ResetList
+ *
+ * Parameters:
+ * w - list widget
+ * changex - allow the height or width to change?
+ * changey - ""
+ *
+ * Description:
+ * Resets the new list when important things change.
+ *
+ * Returns:
+ * True if width or height have been changed
+ */
+static void
+ResetList(Widget w, Bool changex, Bool changey)
+{
+ Dimension width = XtWidth(w);
+ Dimension height = XtHeight(w);
+
+ CalculatedValues(w);
+
+ if (Layout(w, changex, changey, &width, &height)) {
+ if (XtIsComposite(XtParent(w)))
+ ChangeSize(w, width, height);
+ else {
+ XtWidth(w) = width;
+ XtHeight(w) = height;
+ }
+ }
+}
+
+/*
+ * Function:
+ * ChangeSize
+ *
+ * Parameters:
+ * w - widget to try change the size of
+ *
+ * Description:
+ * Laysout the widget.
+ */
+static void
+ChangeSize(Widget w, unsigned int width, unsigned int height)
+{
+ XtWidgetGeometry request, reply;
+
+ request.request_mode = CWWidth | CWHeight;
+ request.width = width;
+ request.height = height;
+
+ switch (XtMakeGeometryRequest(w, &request, &reply)) {
+ case XtGeometryYes:
+ case XtGeometryNo:
+ break;
+ case XtGeometryAlmost:
+ Layout(w, request.height != reply.height,
+ request.width != reply.width, &reply.width, &reply.height);
+ request = reply;
+ switch (XtMakeGeometryRequest(w, &request, &reply)) {
+ case XtGeometryYes:
+ case XtGeometryNo:
+ break;
+ case XtGeometryAlmost:
+ request = reply;
+ Layout(w, False, False, &request.width, &request.height);
+ request.request_mode = CWWidth | CWHeight;
+ XtMakeGeometryRequest(w, &request, &reply);
+ /*FALLTROUGH*/
+ default:
+ break;
+ }
+ /*FALLTROUGH*/
+ default:
+ break;
+ }
+}
+
+/*ARGSUSED*/
+static void
+XawListInitialize(Widget temp1, Widget cnew, ArgList args, Cardinal *num_args)
+{
+ ListWidget lw = (ListWidget)cnew;
+
+ if (!lw->list.font) XtError("Aborting: no font found\n");
+ if (lw->simple.international && !lw->list.fontset)
+ XtError("Aborting: no fontset found\n");
+
+ /*
+ * Initialize all private resources
+ */
+ /* record for posterity if we are free */
+ lw->list.freedoms = ((XtWidth(lw) != 0) * WidthLock +
+ (XtHeight(lw) != 0) * HeightLock +
+ (lw->list.longest != 0) * LongestLock);
+
+ GetGCs(cnew);
+
+ /* Set row height, based on font or fontset */
+ if (lw->simple.international == True)
+ lw->list.row_height =
+ XExtentsOfFontSet(lw->list.fontset)->max_ink_extent.height +
+ lw->list.row_space;
+ else
+ lw->list.row_height = lw->list.font->max_bounds.ascent +
+ lw->list.font->max_bounds.descent +
+ lw->list.row_space;
+
+ ResetList(cnew, WidthFree(lw), HeightFree(lw));
+
+ lw->list.highlight = lw->list.is_highlighted = NO_HIGHLIGHT;
+}
+
+/*
+ * Function:
+ * CvtToItem
+ *
+ * Parameters:
+ * w - list widget
+ * xloc - x location
+ * yloc - y location
+ *
+ * Description:
+ * Converts Xcoord to item number of item containing that point.
+ *
+ * Returns:
+ * Item number
+ */
+static int
+CvtToItem(Widget w, int xloc, int yloc, int *item)
+{
+ int one, another;
+ ListWidget lw = (ListWidget)w;
+ int ret_val = OKAY;
+
+ if (lw->list.vertical_cols) {
+ one = lw->list.nrows * ((xloc - (int)lw->list.internal_width)
+ / lw->list.col_width);
+ another = (yloc - (int)lw->list.internal_height) / lw->list.row_height;
+ /* If out of range, return minimum possible value */
+ if (another >= lw->list.nrows) {
+ another = lw->list.nrows - 1;
+ ret_val = OUT_OF_RANGE;
+ }
+ }
+ else {
+ one = (lw->list.ncols * ((yloc - (int)lw->list.internal_height)
+ / lw->list.row_height));
+ /* If in right margin handle things right */
+ another = (xloc - (int)lw->list.internal_width) / lw->list.col_width;
+ if (another >= lw->list.ncols) {
+ another = lw->list.ncols - 1;
+ ret_val = OUT_OF_RANGE;
+ }
+ }
+ if (xloc < 0 || yloc < 0)
+ ret_val = OUT_OF_RANGE;
+ if (one < 0)
+ one = 0;
+ if (another < 0)
+ another = 0;
+ *item = one + another;
+ if (*item >= lw->list.nitems)
+ return (OUT_OF_RANGE);
+
+ return (ret_val);
+}
+
+/*
+ * Function:
+ * FindCornerItems
+ *
+ * Arguments:
+ * w - list widget
+ * event - event structure that has the rectangle it it
+ * ul_ret - the corners (return)
+ * lr_ret - ""
+ *
+ * Description:
+ * Find the corners of the rectangle in item space.
+ */
+static void
+FindCornerItems(Widget w, XEvent *event, int *ul_ret, int *lr_ret)
+{
+ int xloc, yloc;
+
+ xloc = event->xexpose.x;
+ yloc = event->xexpose.y;
+ CvtToItem(w, xloc, yloc, ul_ret);
+ xloc += event->xexpose.width;
+ yloc += event->xexpose.height;
+ CvtToItem(w, xloc, yloc, lr_ret);
+}
+
+/*
+ * Function:
+ * ItemInRectangle
+ *
+ * Parameters:
+ * w - list widget
+ * ul - corners of the rectangle in item space
+ * lr - ""
+ * item - item to check
+ *
+ * Returns:
+ * True if the item passed is in the given rectangle
+ */
+static Bool
+ItemInRectangle(Widget w, int ul, int lr, int item)
+{
+ ListWidget lw = (ListWidget)w;
+ int mod_item;
+ int things;
+
+ if (item < ul || item > lr)
+ return (False);
+ if (lw->list.vertical_cols)
+ things = lw->list.nrows;
+ else
+ things = lw->list.ncols;
+
+ mod_item = item % things;
+ if ((mod_item >= ul % things) && (mod_item <= lr % things))
+ return (True);
+
+ return (False);
+}
+
+/* HighlightBackground()
+ *
+ * Paints the color of the background for the given item. It performs
+ * clipping to the interior of internal_width/height by hand, as its a
+ * simple calculation and probably much faster than using Xlib and a clip mask.
+ *
+ * x, y - ul corner of the area item occupies.
+ * gc - the gc to use to paint this rectangle
+ */
+static void
+HighlightBackground(Widget w, int x, int y, GC gc)
+{
+ ListWidget lw = (ListWidget)w;
+ Dimension width = lw->list.col_width;
+ Dimension height = lw->list.row_height;
+ Dimension frame_limited_width = XtWidth(w) - lw->list.internal_width - x;
+ Dimension frame_limited_height= XtHeight(w) - lw->list.internal_height - y;
+
+ /* Clip the rectangle width and height to the edge of the drawable area */
+ if (width > frame_limited_width)
+ width = frame_limited_width;
+ if (height > frame_limited_height)
+ height = frame_limited_height;
+
+ /* Clip the rectangle x and y to the edge of the drawable area */
+ if (x < lw->list.internal_width) {
+ width = width - (lw->list.internal_width - x);
+ x = lw->list.internal_width;
+ }
+ if (y < lw->list.internal_height) {
+ height = height - (lw->list.internal_height - y);
+ y = lw->list.internal_height;
+ }
+
+ if (gc == lw->list.revgc && lw->core.background_pixmap != XtUnspecifiedPixmap)
+ XClearArea(XtDisplay(w), XtWindow(w), x, y, width, height, False);
+ else
+ XFillRectangle(XtDisplay(w), XtWindow(w), gc, x, y, width, height);
+}
+
+
+/* ClipToShadowInteriorAndLongest()
+ *
+ * Converts the passed gc so that any drawing done with that GC will not
+ * write in the empty margin (specified by internal_width/height) (which also
+ * prevents erasing the shadow. It also clips against the value longest.
+ * If the user doesn't set longest, this has no effect (as longest is the
+ * maximum of all item lengths). If the user does specify, say, 80 pixel
+ * columns, though, this prevents items from overwriting other items.
+ */
+static void
+ClipToShadowInteriorAndLongest(ListWidget lw, GC *gc_p, unsigned int x)
+{
+ XRectangle rect;
+
+ rect.x = x;
+ rect.y = lw->list.internal_height;
+ rect.height = XtHeight(lw) - (lw->list.internal_height << 1);
+ rect.width = XtWidth(lw) - lw->list.internal_width - x;
+ if (rect.width > lw->list.longest)
+ rect.width = lw->list.longest;
+
+ XSetClipRectangles(XtDisplay((Widget)lw), *gc_p, 0, 0, &rect, 1, YXBanded);
+}
+
+static void
+PaintItemName(Widget w, int item)
+{
+ char *str;
+ GC gc;
+ int x, y, str_y;
+ ListWidget lw = (ListWidget)w;
+ XFontSetExtents *ext = XExtentsOfFontSet(lw->list.fontset);
+
+ if (!XtIsRealized(w) || item > lw->list.nitems)
+ return;
+
+ if (lw->list.vertical_cols) {
+ x = lw->list.col_width * (item / lw->list.nrows)
+ + lw->list.internal_width;
+ y = lw->list.row_height * (item % lw->list.nrows)
+ + lw->list.internal_height;
+ }
+ else {
+ x = lw->list.col_width * (item % lw->list.ncols)
+ + lw->list.internal_width;
+ y = lw->list.row_height * (item / lw->list.ncols)
+ + lw->list.internal_height;
+ }
+
+ if ( lw->simple.international == True )
+ str_y = y + XawAbs(ext->max_ink_extent.y);
+ else
+ str_y = y + lw->list.font->max_bounds.ascent;
+
+ if (item == lw->list.is_highlighted) {
+ if (item == lw->list.highlight) {
+ gc = lw->list.revgc;
+ HighlightBackground(w, x, y, lw->list.normgc);
+ }
+ else {
+ if (XtIsSensitive(w))
+ gc = lw->list.normgc;
+ else
+ gc = lw->list.graygc;
+ HighlightBackground(w, x, y, lw->list.revgc);
+ lw->list.is_highlighted = NO_HIGHLIGHT;
+ }
+ }
+ else {
+ if (item == lw->list.highlight) {
+ gc = lw->list.revgc;
+ HighlightBackground(w, x, y, lw->list.normgc);
+ lw->list.is_highlighted = item;
+ }
+ else {
+ if (XtIsSensitive(w))
+ gc = lw->list.normgc;
+ else
+ gc = lw->list.graygc;
+ }
+ }
+
+ /* List's overall width contains the same number of inter-column
+ column_space's as columns. There should thus be a half
+ column_width margin on each side of each column.
+ The row case is symmetric */
+
+ x += lw->list.column_space >> 1;
+ str_y += lw->list.row_space >> 1;
+
+ str = lw->list.list[item]; /* draw it */
+
+ ClipToShadowInteriorAndLongest(lw, &gc, x);
+
+ if (lw->simple.international == True)
+ XmbDrawString(XtDisplay(w), XtWindow(w), lw->list.fontset,
+ gc, x, str_y, str, strlen(str));
+ else
+ XDrawString(XtDisplay(w), XtWindow(w), gc, x, str_y, str, strlen(str));
+
+ XSetClipMask(XtDisplay(w), gc, None);
+}
+
+static void
+XawListRedisplay(Widget w, XEvent *event, Region region)
+{
+ int item; /* an item to work with */
+ int ul_item, lr_item; /* corners of items we need to paint */
+ ListWidget lw = (ListWidget)w;
+
+ if (event == NULL) {
+ ul_item = 0;
+ lr_item = lw->list.nrows * lw->list.ncols - 1;
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ }
+ else
+ FindCornerItems(w, event, &ul_item, &lr_item);
+
+ if (Superclass->core_class.expose)
+ (Superclass->core_class.expose)(w, event, region);
+
+ for (item = ul_item; item <= lr_item && item < lw->list.nitems; item++)
+ if (ItemInRectangle(w, ul_item, lr_item, item))
+ PaintItemName(w, item);
+}
+
+/* XawListQueryGeometry()
+ *
+ * This tells the parent what size we would like to be
+ * given certain constraints.
+ * w - the widget.
+ * intended - what the parent intends to do with us.
+ * requested - what we want to happen */
+static XtGeometryResult
+XawListQueryGeometry(Widget w, XtWidgetGeometry *intended,
+ XtWidgetGeometry *requested)
+{
+ Dimension new_width, new_height;
+ Bool change, width_req, height_req;
+
+ width_req = intended->request_mode & CWWidth;
+ height_req = intended->request_mode & CWHeight;
+
+ if (width_req)
+ new_width = intended->width;
+ else
+ new_width = XtWidth(w);
+
+ if (height_req)
+ new_height = intended->height;
+ else
+ new_height = XtHeight(w);
+
+ requested->request_mode = 0;
+
+ /*
+ * We only care about our height and width
+ */
+ if (!width_req && !height_req)
+ return (XtGeometryYes);
+
+ change = Layout(w, !width_req, !height_req, &new_width, &new_height);
+
+ requested->request_mode |= CWWidth;
+ requested->width = new_width;
+ requested->request_mode |= CWHeight;
+ requested->height = new_height;
+
+ if (change)
+ return (XtGeometryAlmost);
+
+ return (XtGeometryYes);
+}
+
+static void
+XawListResize(Widget w)
+{
+ Dimension width, height;
+
+ width = XtWidth(w);
+ height = XtHeight(w);
+
+ if (Layout(w, False, False, &width, &height))
+ XtAppWarning(XtWidgetToApplicationContext(w),
+ "List Widget: Size changed when it shouldn't "
+ "have when resising.");
+}
+
+/* Layout()
+ *
+ * lays out the item in the list.
+ * w - the widget.
+ * xfree, yfree - True if we are free to resize the widget in
+ * this direction.
+ * width, height- the is the current width and height that we are going
+ * we are going to layout the list widget to,
+ * depending on xfree and yfree of course.
+ *
+ * Return:
+ * True if width or height have been changed */
+static Bool
+Layout(Widget w, Bool xfree, Bool yfree, Dimension *width, Dimension *height)
+{
+ ListWidget lw = (ListWidget)w;
+ Bool change = False;
+ unsigned long width2 = 0, height2 = 0;
+
+ /*
+ * If force columns is set then always use number of columns specified
+ * by default_cols
+ */
+ if (lw->list.force_cols) {
+ lw->list.ncols = lw->list.default_cols;
+ if (lw->list.ncols <= 0)
+ lw->list.ncols = 1;
+ lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1;
+ if (xfree) {
+ /* this counts the same number
+ of inter-column column_space 's as columns. There should thus
+ be a half column_space margin on each side of each column...*/
+ width2 = lw->list.ncols * lw->list.col_width +
+ (lw->list.internal_width << 1);
+ change = True;
+ }
+ if (yfree) {
+ height2 = lw->list.nrows * lw->list.row_height +
+ (lw->list.internal_height << 1);
+ change = True;
+ }
+ }
+
+ /*
+ * If both width and height are free to change the use default_cols
+ * to determine the number columns and set new width and height to
+ * just fit the window
+ */
+ else if (xfree && yfree) {
+ lw->list.ncols = lw->list.default_cols;
+ if (lw->list.ncols <= 0) {
+ int wid = (int)XtWidth(lw) - (int)(lw->list.internal_width << 1)
+ + (int)lw->list.column_space;
+
+ if (wid <= 0 || lw->list.col_width <= 0
+ || (lw->list.ncols = wid / lw->list.col_width) <= 0)
+ lw->list.ncols = 1;
+ }
+ width2 = lw->list.ncols * lw->list.col_width
+ + (lw->list.internal_width << 1);
+ height2 = (lw->list.nrows * lw->list.row_height)
+ + (lw->list.internal_height << 1);
+ change = True;
+ }
+
+ /*
+ * If the width is fixed then use it to determine the number of columns.
+ * If the height is free to move (width still fixed) then resize the height
+ * of the widget to fit the current list exactly
+ */
+ else if (!xfree) {
+ lw->list.ncols = ((int)(*width - (lw->list.internal_width << 1))
+ / (int)lw->list.col_width);
+ if (lw->list.ncols <= 0)
+ lw->list.ncols = 1;
+ lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1;
+ if (yfree) {
+ height2 = lw->list.nrows * lw->list.row_height +
+ (lw->list.internal_height << 1);
+ change = True;
+ }
+ }
+
+ /*
+ * The last case is xfree and !yfree we use the height to determine
+ * the number of rows and then set the width to just fit the resulting
+ * number of columns
+ */
+ else if (!yfree) {
+ lw->list.nrows = ((int)(*height - (lw->list.internal_height << 1))
+ / (int)lw->list.row_height);
+ if (lw->list.nrows <= 0)
+ lw->list.nrows = 1;
+ lw->list.ncols = ((lw->list.nitems - 1) / lw->list.nrows) + 1;
+ width2 = lw->list.ncols * lw->list.col_width +
+ (lw->list.internal_width << 1);
+ change = True;
+ }
+
+ if (!lw->list.force_cols && lw->list.nrows) {
+ /*CONSTCOND*/
+ while (1) {
+ lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1;
+ width2 = lw->list.ncols * lw->list.col_width +
+ (lw->list.internal_width << 1);
+ height2 = lw->list.nrows * lw->list.row_height +
+ (lw->list.internal_height << 1);
+ if (width2 >= MaxSize && height2 >= MaxSize)
+ break;
+ if (height2 > MaxSize)
+ ++lw->list.ncols;
+ else if (width2 > MaxSize && lw->list.ncols > 1)
+ --lw->list.ncols;
+ else
+ break;
+ }
+ }
+ if (width2)
+ *width = width2;
+ if (height2)
+ *height = height2;
+
+ return (change);
+}
+
+/* Notify() - Action
+ *
+ * Notifies the user that a button has been pressed, and
+ * calls the callback; if the XtNpasteBuffer resource is true
+ * then the name of the item is also put in CUT_BUFFER0 */
+/*ARGSUSED*/
+static void
+Notify(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ ListWidget lw = (ListWidget)w;
+ int item, item_len;
+ XawListReturnStruct ret_value;
+
+ /*
+ * Find item and if out of range then unhighlight and return
+ *
+ * If the current item is unhighlighted then the user has aborted the
+ * notify, so unhighlight and return
+ */
+ if ((CvtToItem(w, event->xbutton.x, event->xbutton.y, &item) == OUT_OF_RANGE)
+ || lw->list.highlight != item) {
+#ifndef OLDXAW
+ if (!lw->list.show_current || lw->list.selected == NO_HIGHLIGHT)
+ XawListUnhighlight(w);
+ else
+ XawListHighlight(w, lw->list.selected);
+#else
+ XawListUnhighlight(w);
+#endif
+ return;
+ }
+
+ item_len = strlen(lw->list.list[item]);
+
+ if (lw->list.paste) /* if XtNpasteBuffer set then paste it */
+ XStoreBytes(XtDisplay(w), lw->list.list[item], item_len);
+
+#ifndef OLDXAW
+ lw->list.selected = item;
+#endif
+ /*
+ * Call Callback function
+ */
+ ret_value.string = lw->list.list[item];
+ ret_value.list_index = item;
+
+ XtCallCallbacks(w, XtNcallback, (XtPointer)&ret_value);
+}
+
+/* Unset() - Action
+ *
+ * unhighlights the current element */
+/*ARGSUSED*/
+static void
+Unset(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ XawListUnhighlight(w);
+}
+
+/* Set() - Action
+ *
+ * Highlights the current element */
+/*ARGSUSED*/
+static void
+Set(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ int item;
+ ListWidget lw = (ListWidget)w;
+
+#ifndef OLDXAW
+ lw->list.selected = lw->list.highlight;
+#endif
+ if (CvtToItem(w, event->xbutton.x, event->xbutton.y, &item) == OUT_OF_RANGE)
+ XawListUnhighlight(w); /* Unhighlight current item */
+ else if (lw->list.is_highlighted != item) /* If this item is not */
+ XawListHighlight(w, item); /* highlighted then do it */
+}
+
+/*
+ * Set specified arguments into widget
+ */
+/*ARGSUSED*/
+static Boolean
+XawListSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ListWidget cl = (ListWidget)current;
+ ListWidget rl = (ListWidget)request;
+ ListWidget nl = (ListWidget)cnew;
+ Bool redraw = False;
+ XFontSetExtents *ext = XExtentsOfFontSet(nl->list.fontset);
+
+ /* If the request height/width is different, lock it. Unless its 0. If
+ neither new nor 0, leave it as it was. Not in R5 */
+ if (XtWidth(nl) != XtWidth(cl))
+ nl->list.freedoms |= WidthLock;
+ if (XtWidth(nl) == 0)
+ nl->list.freedoms &= ~WidthLock;
+
+ if (XtHeight(nl) != XtHeight(cl))
+ nl->list.freedoms |= HeightLock;
+ if (XtHeight(nl) == 0)
+ nl->list.freedoms &= ~HeightLock;
+
+ if (nl->list.longest != cl->list.longest)
+ nl->list.freedoms |= LongestLock;
+ if (nl->list.longest == 0)
+ nl->list.freedoms &= ~LongestLock;
+
+ if (cl->list.foreground != nl->list.foreground ||
+ cl->core.background_pixel != nl->core.background_pixel ||
+ cl->list.font != nl->list.font) {
+ XGCValues values;
+
+ XGetGCValues(XtDisplay(current), cl->list.graygc, GCTile, &values);
+ XmuReleaseStippledPixmap(XtScreen(current), values.tile);
+ XtReleaseGC(current, cl->list.graygc);
+ XtReleaseGC(current, cl->list.revgc);
+ XtReleaseGC(current, cl->list.normgc);
+ GetGCs(cnew);
+ redraw = True;
+ }
+
+ if (cl->list.font != nl->list.font && cl->simple.international == False)
+ nl->list.row_height = nl->list.font->max_bounds.ascent
+ + nl->list.font->max_bounds.descent
+ + nl->list.row_space;
+ else if (cl->list.fontset != nl->list.fontset
+ && cl->simple.international == True)
+ nl->list.row_height = ext->max_ink_extent.height + nl->list.row_space;
+
+ /* ...If the above two font(set) change checkers above both failed, check
+ if row_space was altered. If one of the above passed, row_height will
+ already have been re-calculated */
+ else if (cl->list.row_space != nl->list.row_space) {
+ if (cl->simple.international == True)
+ nl->list.row_height = ext->max_ink_extent.height + nl->list.row_space;
+ else
+ nl->list.row_height = nl->list.font->max_bounds.ascent
+ + nl->list.font->max_bounds.descent
+ + nl->list.row_space;
+ }
+
+ if (XtWidth(cl) != XtWidth(nl) || XtHeight(cl) != XtHeight(nl)
+ || cl->list.internal_width != nl->list.internal_width
+ || cl->list.internal_height != nl->list.internal_height
+ || cl->list.column_space != nl->list.column_space
+ || cl->list.row_space != nl->list.row_space
+ || cl->list.default_cols != nl->list.default_cols
+ || (cl->list.force_cols != nl->list.force_cols
+ && rl->list.force_cols != nl->list.ncols)
+ || cl->list.vertical_cols != nl->list.vertical_cols
+ || cl->list.longest != nl->list.longest
+ || cl->list.nitems != nl->list.nitems
+ || cl->list.font != nl->list.font
+ /* Equiv. fontsets might have different values, but the same fonts,
+ so the next comparison is sloppy but not dangerous */
+ || cl->list.fontset != nl->list.fontset
+ || cl->list.list != nl->list.list) {
+ CalculatedValues(cnew);
+ Layout(cnew, WidthFree(nl), HeightFree(nl),
+ &nl->core.width, &nl->core.height);
+ redraw = True;
+ }
+
+ if (cl->list.list != nl->list.list || cl->list.nitems != nl->list.nitems)
+ nl->list.is_highlighted = nl->list.highlight = NO_HIGHLIGHT;
+
+ if (cl->core.sensitive != nl->core.sensitive
+ || cl->core.ancestor_sensitive != nl->core.ancestor_sensitive) {
+ nl->list.highlight = NO_HIGHLIGHT;
+ redraw = True;
+ }
+
+ return (redraw);
+}
+
+static void
+XawListDestroy(Widget w)
+{
+ ListWidget lw = (ListWidget)w;
+ XGCValues values;
+
+ XGetGCValues(XtDisplay(w), lw->list.graygc, GCTile, &values);
+ XmuReleaseStippledPixmap(XtScreen(w), values.tile);
+ XtReleaseGC(w, lw->list.graygc);
+ XtReleaseGC(w, lw->list.revgc);
+ XtReleaseGC(w, lw->list.normgc);
+}
+
+/*
+ * Function:
+ * XawListChange
+ *
+ * Parameters:
+ * w - list widget
+ * list - new list
+ * nitems - number of items in the list
+ * longest - length (in Pixels) of the longest element in the list
+ * resize - if True the the list widget will try to resize itself
+ *
+ * Description:
+ * Changes the list being used and shown.
+ *
+ * Note:
+ * If nitems of longest are <= 0 then they will be calculated
+ * If nitems is <= 0 then the list needs to be NULL terminated
+ */
+void
+XawListChange(Widget w, char **list, int nitems, int longest,
+#if NeedWidePrototypes
+ int resize_it
+#else
+ Boolean resize_it
+#endif
+)
+{
+ ListWidget lw = (ListWidget)w;
+ Dimension new_width = XtWidth(w);
+ Dimension new_height = XtHeight(w);
+
+ lw->list.list = list;
+
+ if (nitems <= 0)
+ nitems = 0;
+ lw->list.nitems = nitems;
+ if (longest <= 0)
+ longest = 0;
+
+ /* If the user passes 0 meaning "calculate it", it must be free */
+ if (longest != 0)
+ lw->list.freedoms |= LongestLock;
+ else
+ lw->list.freedoms &= ~LongestLock;
+
+ if (resize_it)
+ lw->list.freedoms &= ~WidthLock & ~HeightLock;
+
+ lw->list.longest = longest;
+
+ CalculatedValues(w);
+
+ if (Layout(w, WidthFree(w), HeightFree(w), &new_width, &new_height))
+ ChangeSize(w, new_width, new_height);
+
+ lw->list.is_highlighted = lw->list.highlight = NO_HIGHLIGHT;
+ if (XtIsRealized(w))
+ XawListRedisplay(w, NULL, NULL);
+}
+
+void
+XawListUnhighlight(Widget w)
+{
+ ListWidget lw = (ListWidget)w;
+
+ lw->list.highlight = NO_HIGHLIGHT;
+ if (lw->list.is_highlighted != NO_HIGHLIGHT)
+ PaintItemName(w, lw->list.is_highlighted);
+}
+
+void
+XawListHighlight(Widget w, int item)
+{
+ ListWidget lw = (ListWidget)w;
+
+ if (XtIsSensitive(w)) {
+ lw->list.highlight = item;
+ if (lw->list.is_highlighted != NO_HIGHLIGHT)
+ PaintItemName(w, lw->list.is_highlighted);
+ PaintItemName(w, item);
+ }
+}
+
+/*
+ * Function:
+ * XawListShowCurrent
+ *
+ * Parameters:
+ * w - list widget
+ *
+ * Returns:
+ * Info about the currently highlighted object
+ */
+XawListReturnStruct *
+XawListShowCurrent(Widget w)
+{
+ ListWidget lw = (ListWidget)w;
+ XawListReturnStruct *ret_val;
+
+ ret_val = (XawListReturnStruct *)XtMalloc(sizeof(XawListReturnStruct));
+
+ ret_val->list_index = lw->list.highlight;
+ if (ret_val->list_index == XAW_LIST_NONE)
+ ret_val->string = "";
+ else
+ ret_val->string = lw->list.list[ret_val->list_index];
+
+ return (ret_val);
+}
diff --git a/libXaw/src/Makefile.am b/libXaw/src/Makefile.am index 3bc4b29b1..52c171857 100644 --- a/libXaw/src/Makefile.am +++ b/libXaw/src/Makefile.am @@ -1,143 +1,143 @@ -lib_LTLIBRARIES = - -# -# This doesn't appear to be used on any -# current systems -- it requires SUNSHLIB and !SHAREDCODE, -# but only sunLib.rules defines SUNSHLIB and that file also -# always defines SHAREDCODE. Go figure -# -# SHAREDLIB_SOURCES = sharedlib.c - -COMMON_SOURCES = \ - Actions.c \ - AllWidgets.c \ - AsciiSink.c \ - AsciiSrc.c \ - AsciiText.c \ - Box.c \ - Command.c \ - Converters.c \ - Dialog.c \ - DisplayList.c \ - Form.c \ - Grip.c \ - Label.c \ - List.c \ - MenuButton.c \ - MultiSrc.c \ - MultiSink.c \ - OS.c \ - Paned.c \ - Panner.c \ - Pixmap.c \ - Porthole.c \ - Private.h \ - Repeater.c \ - Scrollbar.c \ - Simple.c \ - SimpleMenu.c \ - Sme.c \ - SmeBSB.c \ - SmeLine.c \ - StripChart.c \ - Text.c \ - TextSink.c \ - TextSrc.c \ - TextAction.c \ - TextPop.c \ - TextTr.c \ - Toggle.c \ - Tree.c \ - Vendor.c \ - Viewport.c \ - XawIm.c \ - XawInit.c \ - XawI18n.c \ - XawI18n.h - -COMMON_CFLAGS = \ - $(CWARNFLAGS) - -COMMON_CPPFLAGS = \ - -I${top_srcdir}/include \ - -I${top_srcdir}/include/X11/Xaw \ - -DPROJECT_ROOT=\"$(prefix)\" - -if BUILD_XAW6 - -lib_LTLIBRARIES += libXaw6.la - -libXaw6_la_CPPFLAGS = \ - $(COMMON_CPPFLAGS) - -libXaw6_la_CFLAGS = \ - $(COMMON_CFLAGS) \ - -DOLDXAW \ - $(XAW6_CFLAGS) - -libXaw6_la_SOURCES = \ - $(COMMON_SOURCES) - -libXaw6_la_LDFLAGS = -version-info 6:1:0 -no-undefined -libXaw6_la_LIBADD = $(XAW6_LIBS) - -if !PLATFORM_WIN32 -install-exec-hook:: -if PLATFORM_DARWIN - -rm -f $(DESTDIR)$(libdir)/libXaw.6.@LIBEXT@ - (cd $(DESTDIR)$(libdir) && ln -s libXaw6.6.@LIBEXT@ libXaw.6.@LIBEXT@) -else - -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.6 - (cd $(DESTDIR)$(libdir) && ln -s libXaw6.@LIBEXT@.6 libXaw.@LIBEXT@.6) -endif - -uninstall-local:: -if PLATFORM_DARWIN - -rm -f $(DESTDIR)$(libdir)/libXaw.6.@LIBEXT@ -else - -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.6 -endif -endif - -endif - -if BUILD_XAW7 - -lib_LTLIBRARIES += libXaw7.la - -libXaw7_la_CPPFLAGS = \ - $(COMMON_CPPFLAGS) - -libXaw7_la_CFLAGS = \ - $(COMMON_CFLAGS) \ - -DXAW7 \ - $(XAW7_CFLAGS) - -libXaw7_la_SOURCES = \ - $(COMMON_SOURCES) \ - Tip.c - -libXaw7_la_LDFLAGS = -version-info 7:0:0 -no-undefined -libXaw7_la_LIBADD = $(XAW7_LIBS) - -if !PLATFORM_WIN32 -install-exec-hook:: -if PLATFORM_DARWIN - -rm -f $(DESTDIR)$(libdir)/libXaw.7.@LIBEXT@ - (cd $(DESTDIR)$(libdir) && ln -s libXaw7.7.@LIBEXT@ libXaw.7.@LIBEXT@) -else - -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.7 - (cd $(DESTDIR)$(libdir) && ln -s libXaw7.@LIBEXT@.7 libXaw.@LIBEXT@.7) -endif - -uninstall-local:: -if PLATFORM_DARWIN - -rm -f $(DESTDIR)$(libdir)/libXaw.7.@LIBEXT@ -else - -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.7 -endif -endif - -endif - -EXTRA_DIST = sharedlib.c +lib_LTLIBRARIES =
+
+#
+# This doesn't appear to be used on any
+# current systems -- it requires SUNSHLIB and !SHAREDCODE,
+# but only sunLib.rules defines SUNSHLIB and that file also
+# always defines SHAREDCODE. Go figure
+#
+# SHAREDLIB_SOURCES = sharedlib.c
+
+COMMON_SOURCES = \
+ Actions.c \
+ AllWidgets.c \
+ AsciiSink.c \
+ AsciiSrc.c \
+ AsciiText.c \
+ Box.c \
+ Command.c \
+ Converters.c \
+ Dialog.c \
+ DisplayList.c \
+ Form.c \
+ Grip.c \
+ Label.c \
+ List.c \
+ MenuButton.c \
+ MultiSrc.c \
+ MultiSink.c \
+ OS.c \
+ Paned.c \
+ Panner.c \
+ Pixmap.c \
+ Porthole.c \
+ Private.h \
+ Repeater.c \
+ Scrollbar.c \
+ Simple.c \
+ SimpleMenu.c \
+ Sme.c \
+ SmeBSB.c \
+ SmeLine.c \
+ StripChart.c \
+ Text.c \
+ TextSink.c \
+ TextSrc.c \
+ TextAction.c \
+ TextPop.c \
+ TextTr.c \
+ Toggle.c \
+ Tree.c \
+ Vendor.c \
+ Viewport.c \
+ XawIm.c \
+ XawInit.c \
+ XawI18n.c \
+ XawI18n.h
+
+COMMON_CFLAGS = \
+ $(CWARNFLAGS)
+
+COMMON_CPPFLAGS = \
+ -I${top_srcdir}/include \
+ -I${top_srcdir}/include/X11/Xaw \
+ -DPROJECT_ROOT=\"$(prefix)\"
+
+if BUILD_XAW6
+
+lib_LTLIBRARIES += libXaw6.la
+
+libXaw6_la_CPPFLAGS = \
+ $(COMMON_CPPFLAGS)
+
+libXaw6_la_CFLAGS = \
+ $(COMMON_CFLAGS) \
+ -DOLDXAW \
+ $(XAW6_CFLAGS)
+
+libXaw6_la_SOURCES = \
+ $(COMMON_SOURCES)
+
+libXaw6_la_LDFLAGS = -version-info 6:1:0 -no-undefined
+libXaw6_la_LIBADD = $(XAW6_LIBS)
+
+if !PLATFORM_WIN32
+install-exec-hook::
+if PLATFORM_DARWIN
+ -rm -f $(DESTDIR)$(libdir)/libXaw.6.@LIBEXT@
+ (cd $(DESTDIR)$(libdir) && ln -s libXaw6.6.@LIBEXT@ libXaw.6.@LIBEXT@)
+else
+ -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.6
+ (cd $(DESTDIR)$(libdir) && ln -s libXaw6.@LIBEXT@.6 libXaw.@LIBEXT@.6)
+endif
+
+uninstall-local::
+if PLATFORM_DARWIN
+ -rm -f $(DESTDIR)$(libdir)/libXaw.6.@LIBEXT@
+else
+ -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.6
+endif
+endif
+
+endif
+
+if BUILD_XAW7
+
+lib_LTLIBRARIES += libXaw7.la
+
+libXaw7_la_CPPFLAGS = \
+ $(COMMON_CPPFLAGS)
+
+libXaw7_la_CFLAGS = \
+ $(COMMON_CFLAGS) \
+ -DXAW7 \
+ $(XAW7_CFLAGS)
+
+libXaw7_la_SOURCES = \
+ $(COMMON_SOURCES) \
+ Tip.c
+
+libXaw7_la_LDFLAGS = -version-info 7:0:0 -no-undefined
+libXaw7_la_LIBADD = $(XAW7_LIBS)
+
+if !PLATFORM_WIN32
+install-exec-hook::
+if PLATFORM_DARWIN
+ -rm -f $(DESTDIR)$(libdir)/libXaw.7.@LIBEXT@
+ (cd $(DESTDIR)$(libdir) && ln -s libXaw7.7.@LIBEXT@ libXaw.7.@LIBEXT@)
+else
+ -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.7
+ (cd $(DESTDIR)$(libdir) && ln -s libXaw7.@LIBEXT@.7 libXaw.@LIBEXT@.7)
+endif
+
+uninstall-local::
+if PLATFORM_DARWIN
+ -rm -f $(DESTDIR)$(libdir)/libXaw.7.@LIBEXT@
+else
+ -rm -f $(DESTDIR)$(libdir)/libXaw.@LIBEXT@.7
+endif
+endif
+
+endif
+
+EXTRA_DIST = sharedlib.c
diff --git a/libXaw/src/MenuButton.c b/libXaw/src/MenuButton.c index 2732a72b3..e1e97ed32 100644 --- a/libXaw/src/MenuButton.c +++ b/libXaw/src/MenuButton.c @@ -1,272 +1,272 @@ -/* -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - */ - -/* - * MenuButton.c - Source code for MenuButton widget. - * - * This is the source code for the Athena MenuButton widget. - * It is intended to provide an easy method of activating pulldown menus. - * - * Date: May 2, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/MenuButtoP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void XawMenuButtonClassInitialize(void); -static void XawMenuButtonInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawMenuButtonDestroy(Widget); -static Boolean XawMenuButtonSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Actions - */ -static void PopupMenu(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -#define superclass ((CommandWidgetClass)&commandClassRec) - -static char defaultTranslations[] = -"<Enter>:" "highlight()\n" -"<Leave>:" "reset()\n" -"Any<BtnDown>:" "reset() PopupMenu()\n"; - -static char default_menu_name[] = "menu"; - -#define offset(field) XtOffsetOf(MenuButtonRec, field) -static XtResource resources[] = { - { - XtNmenuName, - XtCMenuName, - XtRString, - sizeof(String), - offset(menu_button.menu_name), - XtRString, - (XtPointer)default_menu_name - }, -}; -#undef offset - -static XtActionsRec actionsList[] = -{ - {"PopupMenu", PopupMenu}, -}; - -MenuButtonClassRec menuButtonClassRec = { - /* core */ - { - (WidgetClass)superclass, /* superclass */ - "MenuButton", /* class_name */ - sizeof(MenuButtonRec), /* size */ - XawMenuButtonClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawMenuButtonInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - actionsList, /* actions */ - XtNumber(actionsList), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawMenuButtonDestroy, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - XawMenuButtonSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive /* change_sensitive */ - }, - /* label */ - { - NULL, /* extension */ - }, - /* command */ - { - NULL, /* extension */ - }, - /* menu_button */ - { - NULL, /* extension */ - }, -}; - -WidgetClass menuButtonWidgetClass = (WidgetClass)&menuButtonClassRec; - -/* - * Implementation - */ -static void -XawMenuButtonClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtRegisterGrabAction(PopupMenu, True, - ButtonPressMask | ButtonReleaseMask, - GrabModeAsync, GrabModeAsync); -} - -/*ARGSUSED*/ -static void -XawMenuButtonInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MenuButtonWidget mbw = (MenuButtonWidget)cnew; - - if (mbw->menu_button.menu_name != default_menu_name) - mbw->menu_button.menu_name = XtNewString(mbw->menu_button.menu_name); -} - -static void -XawMenuButtonDestroy(Widget w) -{ - MenuButtonWidget mbw = (MenuButtonWidget)w; - - if (mbw->menu_button.menu_name != default_menu_name) - XtFree(mbw->menu_button.menu_name); -} - -/*ARGSUSED*/ -static Boolean -XawMenuButtonSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MenuButtonWidget mbw_old = (MenuButtonWidget)current; - MenuButtonWidget mbw_new = (MenuButtonWidget)cnew; - - if (mbw_old->menu_button.menu_name != mbw_new->menu_button.menu_name) { - if (mbw_old->menu_button.menu_name != default_menu_name) - XtFree(mbw_old->menu_button.menu_name); - if (mbw_new->menu_button.menu_name != default_menu_name) - mbw_new->menu_button.menu_name = - XtNewString(mbw_new->menu_button.menu_name); - } - - return (False); -} - -/*ARGSUSED*/ -static void -PopupMenu(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - MenuButtonWidget mbw = (MenuButtonWidget)w; - Widget menu = NULL, temp; - Arg arglist[2]; - Cardinal num_args; - int menu_x, menu_y, menu_width, menu_height, button_height; - Position button_x, button_y; - - temp = w; - while(temp != NULL) { - menu = XtNameToWidget(temp, mbw->menu_button.menu_name); - if (menu == NULL) - temp = XtParent(temp); - else - break; - } - - if (menu == NULL) { - char error_buf[BUFSIZ]; - - (void)XmuSnprintf(error_buf, sizeof(error_buf), - "MenuButton: Could not find menu widget named %s.", - mbw->menu_button.menu_name); - XtAppWarning(XtWidgetToApplicationContext(w), error_buf); - return; - } - - if (!XtIsRealized(menu)) - XtRealizeWidget(menu); - - menu_width = XtWidth(menu) + (XtBorderWidth(menu) << 1); - button_height = XtHeight(w) + (XtBorderWidth(w) << 1); - menu_height = XtHeight(menu) + (XtBorderWidth(menu) << 1); - - XtTranslateCoords(w, 0, 0, &button_x, &button_y); - menu_x = button_x; - menu_y = button_y + button_height; - - if (menu_y >= 0) { - int scr_height = HeightOfScreen(XtScreen(menu)); - - if (menu_y + menu_height > scr_height) - menu_y = button_y - menu_height; - if (menu_y < 0) { - menu_y = scr_height - menu_height; - menu_x = button_x + XtWidth(w) + (XtBorderWidth(w) << 1); - if (menu_x + menu_width > WidthOfScreen(XtScreen(menu))) - menu_x = button_x - menu_width; - } - } - if (menu_y < 0) - menu_y = 0; - - if (menu_x >= 0) { - int scr_width = WidthOfScreen(XtScreen(menu)); - - if (menu_x + menu_width > scr_width) - menu_x = scr_width - menu_width; - } - if (menu_x < 0) - menu_x = 0; - - num_args = 0; - XtSetArg(arglist[num_args], XtNx, menu_x); num_args++; - XtSetArg(arglist[num_args], XtNy, menu_y); num_args++; - XtSetValues(menu, arglist, num_args); - - XtPopupSpringLoaded(menu); -} +/*
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ */
+
+/*
+ * MenuButton.c - Source code for MenuButton widget.
+ *
+ * This is the source code for the Athena MenuButton widget.
+ * It is intended to provide an easy method of activating pulldown menus.
+ *
+ * Date: May 2, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/MenuButtoP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawMenuButtonClassInitialize(void);
+static void XawMenuButtonInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawMenuButtonDestroy(Widget);
+static Boolean XawMenuButtonSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Actions
+ */
+static void PopupMenu(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+#define superclass ((CommandWidgetClass)&commandClassRec)
+
+static char defaultTranslations[] =
+"<Enter>:" "highlight()\n"
+"<Leave>:" "reset()\n"
+"Any<BtnDown>:" "reset() PopupMenu()\n";
+
+static char default_menu_name[] = "menu";
+
+#define offset(field) XtOffsetOf(MenuButtonRec, field)
+static XtResource resources[] = {
+ {
+ XtNmenuName,
+ XtCMenuName,
+ XtRString,
+ sizeof(String),
+ offset(menu_button.menu_name),
+ XtRString,
+ (XtPointer)default_menu_name
+ },
+};
+#undef offset
+
+static XtActionsRec actionsList[] =
+{
+ {"PopupMenu", PopupMenu},
+};
+
+MenuButtonClassRec menuButtonClassRec = {
+ /* core */
+ {
+ (WidgetClass)superclass, /* superclass */
+ "MenuButton", /* class_name */
+ sizeof(MenuButtonRec), /* size */
+ XawMenuButtonClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawMenuButtonInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actionsList, /* actions */
+ XtNumber(actionsList), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawMenuButtonDestroy, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawMenuButtonSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* extension */
+ },
+ /* command */
+ {
+ NULL, /* extension */
+ },
+ /* menu_button */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass menuButtonWidgetClass = (WidgetClass)&menuButtonClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawMenuButtonClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtRegisterGrabAction(PopupMenu, True,
+ ButtonPressMask | ButtonReleaseMask,
+ GrabModeAsync, GrabModeAsync);
+}
+
+/*ARGSUSED*/
+static void
+XawMenuButtonInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MenuButtonWidget mbw = (MenuButtonWidget)cnew;
+
+ if (mbw->menu_button.menu_name != default_menu_name)
+ mbw->menu_button.menu_name = XtNewString(mbw->menu_button.menu_name);
+}
+
+static void
+XawMenuButtonDestroy(Widget w)
+{
+ MenuButtonWidget mbw = (MenuButtonWidget)w;
+
+ if (mbw->menu_button.menu_name != default_menu_name)
+ XtFree(mbw->menu_button.menu_name);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawMenuButtonSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MenuButtonWidget mbw_old = (MenuButtonWidget)current;
+ MenuButtonWidget mbw_new = (MenuButtonWidget)cnew;
+
+ if (mbw_old->menu_button.menu_name != mbw_new->menu_button.menu_name) {
+ if (mbw_old->menu_button.menu_name != default_menu_name)
+ XtFree(mbw_old->menu_button.menu_name);
+ if (mbw_new->menu_button.menu_name != default_menu_name)
+ mbw_new->menu_button.menu_name =
+ XtNewString(mbw_new->menu_button.menu_name);
+ }
+
+ return (False);
+}
+
+/*ARGSUSED*/
+static void
+PopupMenu(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ MenuButtonWidget mbw = (MenuButtonWidget)w;
+ Widget menu = NULL, temp;
+ Arg arglist[2];
+ Cardinal num_args;
+ int menu_x, menu_y, menu_width, menu_height, button_height;
+ Position button_x, button_y;
+
+ temp = w;
+ while(temp != NULL) {
+ menu = XtNameToWidget(temp, mbw->menu_button.menu_name);
+ if (menu == NULL)
+ temp = XtParent(temp);
+ else
+ break;
+ }
+
+ if (menu == NULL) {
+ char error_buf[BUFSIZ];
+
+ (void)XmuSnprintf(error_buf, sizeof(error_buf),
+ "MenuButton: Could not find menu widget named %s.",
+ mbw->menu_button.menu_name);
+ XtAppWarning(XtWidgetToApplicationContext(w), error_buf);
+ return;
+ }
+
+ if (!XtIsRealized(menu))
+ XtRealizeWidget(menu);
+
+ menu_width = XtWidth(menu) + (XtBorderWidth(menu) << 1);
+ button_height = XtHeight(w) + (XtBorderWidth(w) << 1);
+ menu_height = XtHeight(menu) + (XtBorderWidth(menu) << 1);
+
+ XtTranslateCoords(w, 0, 0, &button_x, &button_y);
+ menu_x = button_x;
+ menu_y = button_y + button_height;
+
+ if (menu_y >= 0) {
+ int scr_height = HeightOfScreen(XtScreen(menu));
+
+ if (menu_y + menu_height > scr_height)
+ menu_y = button_y - menu_height;
+ if (menu_y < 0) {
+ menu_y = scr_height - menu_height;
+ menu_x = button_x + XtWidth(w) + (XtBorderWidth(w) << 1);
+ if (menu_x + menu_width > WidthOfScreen(XtScreen(menu)))
+ menu_x = button_x - menu_width;
+ }
+ }
+ if (menu_y < 0)
+ menu_y = 0;
+
+ if (menu_x >= 0) {
+ int scr_width = WidthOfScreen(XtScreen(menu));
+
+ if (menu_x + menu_width > scr_width)
+ menu_x = scr_width - menu_width;
+ }
+ if (menu_x < 0)
+ menu_x = 0;
+
+ num_args = 0;
+ XtSetArg(arglist[num_args], XtNx, menu_x); num_args++;
+ XtSetArg(arglist[num_args], XtNy, menu_y); num_args++;
+ XtSetValues(menu, arglist, num_args);
+
+ XtPopupSpringLoaded(menu);
+}
diff --git a/libXaw/src/MultiSink.c b/libXaw/src/MultiSink.c index 129624e01..39c7da212 100644 --- a/libXaw/src/MultiSink.c +++ b/libXaw/src/MultiSink.c @@ -1,975 +1,975 @@ -/* - * Copyright 1991 by OMRON Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of OMRON not be used in advertising - * or publicity pertaining to distribution of the software without specific, - * written prior permission. OMRON makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - * - * Author: Li Yuhong OMRON Corporation - */ - -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xatom.h> -#include <X11/Xaw/XawInit.h> -#include <X11/Xaw/MultiSinkP.h> -#include <X11/Xaw/MultiSrcP.h> -#include <X11/Xaw/TextP.h> -#include "XawI18n.h" -#include <stdio.h> -#include <ctype.h> -#include "Private.h" - -#ifdef GETLASTPOS -#undef GETLASTPOS /* We will use our own GETLASTPOS */ -#endif - -#define GETLASTPOS \ - XawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, True) - -/* - * Class Methods - */ -static void XawMultiSinkClassInitialize(void); -static void XawMultiSinkInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawMultiSinkDestroy(Widget); -static void XawMultiSinkResize(Widget); -static Boolean XawMultiSinkSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static int MaxLines(Widget, unsigned int); -static int MaxHeight(Widget, int); -static void SetTabs(Widget, int, short*); -static void DisplayText(Widget, int, int, - XawTextPosition, XawTextPosition, Bool); -static void InsertCursor(Widget, int, int, XawTextInsertState); -static void FindPosition(Widget, XawTextPosition, int, int, Bool, - XawTextPosition*, int*, int*); -static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*, - XawTextPosition*, int*); -static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*); -static void GetCursorBounds(Widget, XRectangle*); - -/* - * Prototypes - */ -static void GetGC(MultiSinkObject); -static int CharWidth(MultiSinkObject, XFontSet, int, wchar_t); -static unsigned int PaintText(Widget w, GC gc, int x, int y, - wchar_t *buf, int len, Bool); - -/* - * Defined in TextSink.c - */ -void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned); - -/* - * Initialization - */ -static wchar_t wspace[2]; - -#define offset(field) XtOffsetOf(MultiSinkRec, multi_sink.field) -static XtResource resources[] = { - { - XtNfontSet, - XtCFontSet, - XtRFontSet, - sizeof(XFontSet), - offset(fontset), - XtRString, - XtDefaultFontSet - }, - { - XtNecho, - XtCOutput, - XtRBoolean, - sizeof(Boolean), - offset(echo), - XtRImmediate, - (XtPointer)True - }, - { - XtNdisplayNonprinting, - XtCOutput, - XtRBoolean, - sizeof(Boolean), - offset(display_nonprinting), - XtRImmediate, - (XtPointer)True - }, -}; -#undef offset - -#define SuperClass (&textSinkClassRec) -MultiSinkClassRec multiSinkClassRec = { - /* object */ - { - (WidgetClass)SuperClass, /* superclass */ - "MultiSink", /* class_name */ - sizeof(MultiSinkRec), /* widget_size */ - XawMultiSinkClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawMultiSinkInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* obj1 */ - NULL, /* obj2 */ - 0, /* obj3 */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* obj4 */ - False, /* obj5 */ - False, /* obj6 */ - False, /* obj7 */ - XawMultiSinkDestroy, /* destroy */ - (XtProc)XawMultiSinkResize, /* obj8 */ - NULL, /* obj9 */ - XawMultiSinkSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* obj10 */ - NULL, /* get_values_hook */ - NULL, /* obj11 */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* obj12 */ - NULL, /* obj13 */ - NULL, /* obj14 */ - NULL, /* extension */ - }, - /* text_sink */ - { - DisplayText, /* DisplayText */ - InsertCursor, /* InsertCursor */ - XtInheritClearToBackground, /* ClearToBackground */ - FindPosition, /* FindPosition */ - FindDistance, /* FindDistance */ - Resolve, /* Resolve */ - MaxLines, /* MaxLines */ - MaxHeight, /* MaxHeight */ - SetTabs, /* SetTabs */ - GetCursorBounds, /* GetCursorBounds */ - }, - /* multi_sink */ - { - NULL, /* extension */ - } -}; - -WidgetClass multiSinkObjectClass = (WidgetClass)&multiSinkClassRec; - -/* - * Implementation - */ -static int -CharWidth(MultiSinkObject sink, XFontSet fontset, int x, wchar_t c) -{ - int width = 0; - - if (c == _Xaw_atowc(XawLF)) - return (0); - - if (c == _Xaw_atowc(XawTAB)) { - int i; - Position *tab; - - width = x; - /* Adjust for Left Margin. */ - x -= ((TextWidget)XtParent((Widget)sink))->text.left_margin; - - i = 0; - tab = sink->text_sink.tabs; - /*CONSTCOND*/ - while (1) { - if (x < *tab) - return (*tab - x); - /* Start again */ - if (++i >= sink->text_sink.tab_count) { - x -= *tab; - i = 0; - tab = sink->text_sink.tabs; - if (width == x) - return (0); - } - else - ++tab; - } - /*NOTREACHED*/ - } - - if (XwcTextEscapement(fontset, &c, 1) == 0) { - if (sink->multi_sink.display_nonprinting) - c = _Xaw_atowc('@'); - else - c = _Xaw_atowc(XawSP); - } - - /* - * if more efficiency(suppose one column is one ASCII char) - - width = XwcGetColumn(fontset->font_charset, fontset->num_of_fonts, c) * - fontset->font_struct_list[0]->min_bounds.width; - * - * WARNING: Very Slower!!! - * - * Li Yuhong. - */ - - width = XwcTextEscapement(fontset, &c, 1); - - return (width); -} - -/* - * Function: - * PaintText - * - * Parameters: - * w - text sink object - * gc - gc to paint text - * x - location to paint the text - * y - "" - * buf - buffer and length of text to paint - * len - "" - * clear_bg - clear background before drawing ? - * - * Description: - * Actually paints the text into the window. - * - * Returns: - * The width of the text painted - */ -static unsigned int -PaintText(Widget w, GC gc, int x, int y, wchar_t *buf, int len, Bool clear_bg) -{ - MultiSinkObject sink = (MultiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - XFontSet fontset = sink->multi_sink.fontset; - unsigned int width = XwcTextEscapement(fontset, buf, len); - - if (((int)width) <= -x) /* Don't draw if we can't see it */ - return (width); - - if (clear_bg) { - XFontSetExtents *ext = XExtentsOfFontSet(fontset); - - _XawTextSinkClearToBackground(w, x, y - abs(ext->max_logical_extent.y), - width, ext->max_logical_extent.height); - XwcDrawString(XtDisplay(ctx), XtWindow(ctx), fontset, gc, x, y, buf, len); - } - else - XwcDrawImageString(XtDisplay(ctx), XtWindow(ctx), fontset, gc, - x, y, buf, len); - - return (width); -} - -/* Sink Object Functions */ -/* - * This function does not know about drawing more than one line of text - */ -static void -DisplayText(Widget w, int x, int y, - XawTextPosition pos1, XawTextPosition pos2, Bool highlight) -{ - TextWidget ctx = (TextWidget)XtParent(w); - MultiSinkObject sink = (MultiSinkObject)w; - XFontSet fontset = sink->multi_sink.fontset; - Widget source = XawTextGetSource(XtParent(w)); - wchar_t buf[256]; - XFontSetExtents *ext = XExtentsOfFontSet(fontset); - int j, k; - XawTextBlock blk; - GC gc, invgc, tabgc; - int max_x; - Bool clear_bg; - - if (!sink->multi_sink.echo || !ctx->text.lt.lines) - return; - - max_x = (int)XtWidth(ctx) - ctx->text.r_margin.right; - clear_bg = !highlight && ctx->core.background_pixmap != XtUnspecifiedPixmap; - - gc = highlight ? sink->multi_sink.invgc : sink->multi_sink.normgc; - invgc = highlight ? sink->multi_sink.normgc : sink->multi_sink.invgc; - - if (highlight && sink->multi_sink.xorgc) - tabgc = sink->multi_sink.xorgc; - else - tabgc = invgc; - - y += abs(ext->max_logical_extent.y); - for (j = 0; pos1 < pos2;) { - pos1 = XawTextSourceRead(source, pos1, &blk, (int) pos2 - pos1); - for (k = 0; k < blk.length; k++) { - if ((unsigned) j >= (sizeof(buf) / sizeof(wchar_t)) - 1) { - /* buffer full, dump the text */ - if ((x += PaintText(w, gc, x, y, buf, j, clear_bg)) >= max_x) - return; - j = 0; - } - buf[j] = ((wchar_t *)blk.ptr)[k]; - if (buf[j] == _Xaw_atowc(XawLF)) - continue; - - else if (buf[j] == _Xaw_atowc(XawTAB)) { - unsigned int width; - - if (j != 0 && - (x += PaintText(w, gc, x, y, buf, j, clear_bg)) >= max_x) - return; - - width = CharWidth(sink, fontset, x, _Xaw_atowc(XawTAB)); - if (clear_bg) - _XawTextSinkClearToBackground(w, - x, y - abs(ext->max_logical_extent.y), - width, ext->max_logical_extent.height); - else - XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), - tabgc, x, - y - abs(ext->max_logical_extent.y), - width, - ext->max_logical_extent.height); - x += width; - j = -1; - } - else if (XwcTextEscapement(sink->multi_sink.fontset, &buf[j], 1) - == 0) { - if (sink->multi_sink.display_nonprinting) - buf[j] = _Xaw_atowc('@'); - else - buf[j] = _Xaw_atowc(XawSP); - } - j++; - } - } - - if (j > 0) - (void)PaintText(w, gc, x, y, buf, j, clear_bg); -} - -/* - * Function: - * GetCursorBounds - * - * Parameters: - * w - text sink object - * rect - X rectangle to return the cursor bounds - * - * Description: - * Returns the size and location of the cursor. - */ -static void -GetCursorBounds(Widget w, XRectangle *rect) -{ - MultiSinkObject sink = (MultiSinkObject)w; - - rect->width = CharWidth(sink, sink->multi_sink.fontset, 0, _Xaw_atowc(XawSP)); - rect->height = (XExtentsOfFontSet(sink->multi_sink.fontset) - ->max_logical_extent.height); - rect->x = sink->multi_sink.cursor_x; - rect->y = sink->multi_sink.cursor_y - (short)rect->height; -} - -/* - * The following procedure manages the "insert" cursor - */ -static void -InsertCursor(Widget w, int x, int y, XawTextInsertState state) -{ - MultiSinkObject sink = (MultiSinkObject)w; - XFontSet fontset = sink->multi_sink.fontset; - Widget ctx = XtParent(w); - XawTextPosition position = XawTextGetInsertionPoint(ctx); - - if (XtIsRealized(ctx)) { - int fheight, fdiff; - XawTextBlock block; - wchar_t c; - XawTextPosition selection_start, selection_end; - Boolean has_selection; - XFontSetExtents *ext = XExtentsOfFontSet(fontset); - - XawTextGetSelectionPos((Widget)ctx, &selection_start, &selection_end); - has_selection = selection_start != selection_end; - - fheight = ext->max_logical_extent.height; - fdiff = fheight - abs(ext->max_logical_extent.y); - - if ((sink->multi_sink.cursor_position != position || state == XawisOff) - && !has_selection && sink->multi_sink.laststate != XawisOff) { - wchar_t *ochar; - - (void)XawTextSourceRead(XawTextGetSource(ctx), - sink->multi_sink.cursor_position, - &block, 1); - if (!block.length) - ochar = NULL; - else { - c = ((wchar_t *)block.ptr)[0]; - if (c == _Xaw_atowc(XawLF)) - ochar = NULL; - else if (c == _Xaw_atowc(XawTAB)) - ochar = wspace; - else - ochar = (wchar_t *)block.ptr; - } - - if (!ochar) - _XawTextSinkClearToBackground(w, sink->multi_sink.cursor_x, - (sink->multi_sink.cursor_y - 1 - - fheight), CharWidth(sink, fontset, - 0, wspace[0]), - fheight); - else { - if (XwcTextEscapement(sink->multi_sink.fontset, ochar, 1) != 0) - DisplayText(w, sink->multi_sink.cursor_x, - sink->multi_sink.cursor_y - 1 - fheight, - sink->multi_sink.cursor_position, - sink->multi_sink.cursor_position + 1, - False); - else - PaintText(w, sink->multi_sink.normgc, - sink->multi_sink.cursor_x, - sink->multi_sink.cursor_y - 1 - fdiff, - ochar, 1, - ctx->core.background_pixmap != XtUnspecifiedPixmap); - } - } - - if (!has_selection && state != XawisOff) { - wchar_t *nchar; - Boolean focus = ((TextWidget)ctx)->text.hasfocus; - - (void)XawTextSourceRead(XawTextGetSource(ctx), - position, &block, 1); - c = ((wchar_t *)block.ptr)[0]; - if (!block.length || c == _Xaw_atowc(XawLF) - || c == _Xaw_atowc(XawTAB)) - nchar = wspace; - else - nchar = (wchar_t *)block.ptr; - - if (focus) { - if (XwcTextEscapement(sink->multi_sink.fontset, nchar, 1) != 0) - XwcDrawImageString(XtDisplay(ctx), XtWindow(ctx), - fontset, sink->multi_sink.invgc, - x, (y - 1 - fdiff), nchar, 1); - else - DisplayText(w, x, y - 1 - fheight, - position, position + 1, True); - } - else - XDrawRectangle(XtDisplay(ctx), XtWindow(ctx), - sink->multi_sink.xorgc ? - sink->multi_sink.xorgc : sink->multi_sink.normgc, - x, y - 1 - fheight, - CharWidth(sink, fontset, 0, *nchar) - 1, - fheight - 1); - } - } - - sink->multi_sink.cursor_x = x; - sink->multi_sink.cursor_y = y; - sink->multi_sink.laststate = state; - sink->multi_sink.cursor_position = position; -} - -/* - * Given two positions, find the distance between them - */ -static void -FindDistance(Widget w, XawTextPosition fromPos, int fromx, - XawTextPosition toPos, int *resWidth, - XawTextPosition *resPos, int *resHeight) -{ - MultiSinkObject sink = (MultiSinkObject)w; - XFontSet fontset = sink->multi_sink.fontset; - TextWidget ctx = (TextWidget)XtParent(w); - Widget source = ctx->text.source; - XawTextPosition idx, pos; - wchar_t c; - XFontSetExtents *ext = XExtentsOfFontSet(fontset); - XawTextBlock blk; - int i, rWidth; - - pos = XawTextSourceRead(source, fromPos, &blk, toPos - fromPos); - rWidth = 0; - for (i = 0, idx = fromPos; idx < toPos; i++, idx++) { - if (i >= blk.length) { - i = 0; - XawTextSourceRead(source, pos, &blk, toPos - pos); - if (blk.length == 0) - break; - } - c = ((wchar_t *)blk.ptr)[i]; - rWidth += CharWidth(sink, fontset, fromx + rWidth, c); - if (c == _Xaw_atowc(XawLF)) { - idx++; - break; - } - } - - *resPos = idx; - *resWidth = rWidth; - *resHeight = ext->max_logical_extent.height; -} - -static void -FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width, - Bool stopAtWordBreak, XawTextPosition *resPos, int *resWidth, - int *resHeight) -{ - MultiSinkObject sink = (MultiSinkObject)w; - TextWidget ctx = (TextWidget)XtParent(w); - Widget source = ctx->text.source; - XFontSet fontset = sink->multi_sink.fontset; - XawTextPosition idx, pos, whiteSpacePosition = 0; - int i, lastWidth, whiteSpaceWidth, rWidth; - Boolean whiteSpaceSeen; - wchar_t c; - XFontSetExtents *ext = XExtentsOfFontSet(fontset); - XawTextBlock blk; - - pos = XawTextSourceRead(source, fromPos, &blk, BUFSIZ); - rWidth = lastWidth = whiteSpaceWidth = 0; - whiteSpaceSeen = False; - c = 0; - - for (i = 0, idx = fromPos; rWidth <= width; i++, idx++) { - if (i >= blk.length) { - i = 0; - pos = XawTextSourceRead(source, pos, &blk, BUFSIZ); - if (blk.length == 0) - break; - } - c = ((wchar_t *)blk.ptr)[i]; - lastWidth = rWidth; - rWidth += CharWidth(sink, fontset, fromx + rWidth, c); - - if (c == _Xaw_atowc(XawLF)) { - idx++; - break; - } - else if ((c == _Xaw_atowc(XawSP) || c == _Xaw_atowc(XawTAB)) - && rWidth <= width) { - whiteSpaceSeen = True; - whiteSpacePosition = idx; - whiteSpaceWidth = rWidth; - } - } - - if (rWidth > width && idx > fromPos) { - idx--; - rWidth = lastWidth; - if (stopAtWordBreak && whiteSpaceSeen) { - idx = whiteSpacePosition + 1; - rWidth = whiteSpaceWidth; - } - } - - if (idx >= ctx->text.lastPos && c != _Xaw_atowc(XawLF)) - idx = ctx->text.lastPos + 1; - - *resPos = idx; - *resWidth = rWidth; - *resHeight = ext->max_logical_extent.height; -} - -static void -Resolve(Widget w, XawTextPosition pos, int fromx, int width, - XawTextPosition *pos_return) -{ - int resWidth, resHeight; - Widget source = XawTextGetSource(XtParent(w)); - - FindPosition(w, pos, fromx, width, False, pos_return, &resWidth, &resHeight); - if (*pos_return > GETLASTPOS) - *pos_return = GETLASTPOS; -} - -static void -GetGC(MultiSinkObject sink) -{ - XtGCMask valuemask = (GCGraphicsExposures | GCClipXOrigin | - GCForeground | GCBackground); - XGCValues values; - - /* XXX We dont want do share a gc that will change the clip-mask */ - values.clip_x_origin = (long)sink; - values.clip_mask = None; - values.graphics_exposures = False; - - values.foreground = sink->text_sink.foreground; - values.background = sink->text_sink.background; - - sink->multi_sink.normgc = XtAllocateGC((Widget)sink, 0, valuemask, &values, - GCFont | GCClipMask, 0); - - values.foreground = sink->text_sink.background; -#ifndef OLDXAW - values.background = sink->text_sink.cursor_color; -#else - values.background = sink->text_sink.foreground; -#endif - sink->multi_sink.invgc = XtAllocateGC((Widget)sink, 0, valuemask, &values, - GCFont | GCClipMask, 0); -#ifndef OLDXAW - if (sink->text_sink.cursor_color != sink->text_sink.foreground) { - values.foreground = sink->text_sink.cursor_color; - values.background = sink->text_sink.foreground; - sink->multi_sink.xorgc = XtAllocateGC((Widget)sink, 0, valuemask, - &values, GCFont | GCClipMask, 0); - } - else -#endif /* OLDXAW */ - sink->multi_sink.xorgc = NULL; - - XawMultiSinkResize((Widget)sink); -} - -static void -XawMultiSinkClassInitialize(void) -{ - wspace[0] = _Xaw_atowc(XawSP); - XawInitializeWidgetSet(); -} - -/* - * Function: - * XawMultiSinkInitialize - * - * Parameters: - * request - requested and new values for the object instance - * cnew - "" - * - * Description: - * Initializes the TextSink Object. - */ -/* ARGSUSED */ -static void -XawMultiSinkInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MultiSinkObject sink = (MultiSinkObject)cnew; - - GetGC(sink); - - if (!sink->multi_sink.fontset) XtError("Aborting: no fontset found\n"); - - sink->multi_sink.cursor_position = 0; - sink->multi_sink.laststate = XawisOff; - sink->multi_sink.cursor_x = sink->multi_sink.cursor_y = 0; -} - -/* - * Function: - * XawMultiSinkDestroy - * - * Parameters: - * w - MultiSink Object - * - * Description: - * This function cleans up when the object is destroyed. - */ -static void -XawMultiSinkDestroy(Widget w) -{ - MultiSinkObject sink = (MultiSinkObject)w; - - XtReleaseGC(w, sink->multi_sink.normgc); - XtReleaseGC(w, sink->multi_sink.invgc); - if (sink->multi_sink.xorgc) - XtReleaseGC(w, sink->multi_sink.xorgc); - sink->multi_sink.normgc = - sink->multi_sink.invgc = - sink->multi_sink.xorgc = NULL; -} - -static void -XawMultiSinkResize(Widget w) -{ - TextWidget ctx = (TextWidget)XtParent(w); - MultiSinkObject sink = (MultiSinkObject)w; - XRectangle rect; - int width, height; - - if (w->core.widget_class != multiSinkObjectClass) - return; - - rect.x = ctx->text.r_margin.left; - rect.y = ctx->text.r_margin.top; - width = (int)XtWidth(ctx) - - (int)ctx->text.r_margin.right - (int)ctx->text.r_margin.left; - height = (int)XtHeight(ctx) - - (int)ctx->text.r_margin.top - (int)ctx->text.r_margin.bottom; - rect.width = width; - rect.height = height; - - if (sink->multi_sink.normgc) { - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.normgc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.normgc, None); - } - if (sink->multi_sink.invgc) { - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.invgc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.invgc, None); - } - if (sink->multi_sink.xorgc) { - if (width >= 0 && height >= 0) - XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.xorgc, - 0, 0, &rect, 1, Unsorted); - else - XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.xorgc, None); - } -} - -/* - * Function: - * XawMultiSinkSetValues - * - * Parameters: - * current - current state of the object - * request - what was requested - * cnew - what the object will become - * - * Description: - * Sets the values for the MultiSink. - * - * Returns: - * True if redisplay is needed - */ -/*ARGSUSED*/ -static Boolean -XawMultiSinkSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MultiSinkObject w = (MultiSinkObject)cnew; - MultiSinkObject old_w = (MultiSinkObject)current; - - /* Font set is not in the GC! Do not make a new GC when font set changes! */ - - if (w->multi_sink.fontset != old_w->multi_sink.fontset) { - ((TextWidget)XtParent(cnew))->text.redisplay_needed = True; -#ifndef NO_TAB_FIX - SetTabs((Widget)w, w->text_sink.tab_count, w->text_sink.char_tabs); -#endif - } - - if (w->text_sink.background != old_w->text_sink.background - || w->text_sink.foreground != old_w->text_sink.foreground -#ifndef OLDXAW - || w->text_sink.cursor_color != old_w->text_sink.cursor_color -#endif - ) { - XtReleaseGC(cnew, w->multi_sink.normgc); - XtReleaseGC(cnew, w->multi_sink.invgc); - if (w->multi_sink.xorgc) - XtReleaseGC(cnew, w->multi_sink.xorgc); - GetGC(w); - ((TextWidget)XtParent(cnew))->text.redisplay_needed = True; - } - else if (w->multi_sink.echo != old_w->multi_sink.echo - || w->multi_sink.display_nonprinting - != old_w->multi_sink.display_nonprinting) - ((TextWidget)XtParent(cnew))->text.redisplay_needed = True; - - return (False); -} - -/* - * Function: - * MaxLines - * - * Parameters: - * w - MultiSink Object - * height - height to fit lines into - * - * Description: - * Finds the Maximum number of lines that will fit in a given height. - * - * Returns: - * The number of lines that will fit - */ -/*ARGSUSED*/ -static int -MaxLines(Widget w, unsigned int height) -{ - MultiSinkObject sink = (MultiSinkObject)w; - int font_height; - XFontSetExtents *ext = XExtentsOfFontSet(sink->multi_sink.fontset); - - font_height = ext->max_logical_extent.height; - return (height / font_height); -} - -/* - * Function: - * MaxHeight - * - * Parameters: - * w - MultiSink Object - * lines - number of lines - * - * Description: - * Finds the Minium height that will contain a given number lines. - * Returns: - * The height - */ -/*ARGSUSED*/ -static int -MaxHeight(Widget w, int lines) -{ - MultiSinkObject sink = (MultiSinkObject)w; - XFontSetExtents *ext = XExtentsOfFontSet(sink->multi_sink.fontset); - - return (lines * ext->max_logical_extent.height); -} - -/* - * Function: - * SetTabs - * - * Arguments: - * w - MultiSink Object - * tab_count - number of tabs in the list - * tabs - text positions of the tabs - * - * Description: - * Sets the Tab stops. - */ -static void -SetTabs(Widget w, int tab_count, short* tabs) -{ - MultiSinkObject sink = (MultiSinkObject)w; - int i; - Atom XA_FIGURE_WIDTH; - unsigned long figure_width = 0; - XFontStruct *font; - - /* - * Bug: - * Suppose the first font of fontset stores the unit of column. - * - * By Li Yuhong, Mar. 14, 1991 - */ - { - XFontStruct **f_list; - char **f_name; - - (void)XFontsOfFontSet(sink->multi_sink.fontset, &f_list, &f_name); - font = f_list[0]; - } - - /* - * Find the figure width of the current font - */ - XA_FIGURE_WIDTH = XInternAtom(XtDisplayOfObject(w), "FIGURE_WIDTH", False); - if (XA_FIGURE_WIDTH != None - && (!XGetFontProperty(font, XA_FIGURE_WIDTH, &figure_width) - || figure_width == 0)) { - if (font->per_char && font->min_char_or_byte2 <= '$' - && font->max_char_or_byte2 >= '$') - figure_width = font->per_char['$' - font->min_char_or_byte2].width; - else - figure_width = font->max_bounds.width; - } - - if (tab_count > sink->text_sink.tab_count) { - sink->text_sink.tabs = (Position *) - XtRealloc((char *)sink->text_sink.tabs, - (Cardinal)(tab_count * sizeof(Position))); - sink->text_sink.char_tabs = (short *) - XtRealloc((char *)sink->text_sink.char_tabs, - (Cardinal)(tab_count * sizeof(short))); - } - - for (i = 0 ; i < tab_count ; i++) { - sink->text_sink.tabs[i] = tabs[i] * figure_width; - sink->text_sink.char_tabs[i] = tabs[i]; - } - - sink->text_sink.tab_count = tab_count; - -#ifndef NO_TAB_FIX - ((TextWidget)XtParent(w))->text.redisplay_needed = True; -#endif -} - -void -_XawMultiSinkPosToXY(Widget w, XawTextPosition pos, Position *x, Position *y) -{ - MultiSinkObject sink = (MultiSinkObject)((TextWidget)w)->text.sink; - XFontSetExtents *ext = XExtentsOfFontSet(sink->multi_sink.fontset); - - _XawTextPosToXY(w, pos, x, y); - *y += abs(ext->max_logical_extent.y); -} +/*
+ * Copyright 1991 by OMRON Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of OMRON not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. OMRON makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Li Yuhong OMRON Corporation
+ */
+
+/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xatom.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/Xaw/MultiSinkP.h>
+#include <X11/Xaw/MultiSrcP.h>
+#include <X11/Xaw/TextP.h>
+#include "XawI18n.h"
+#include <stdio.h>
+#include <ctype.h>
+#include "Private.h"
+
+#ifdef GETLASTPOS
+#undef GETLASTPOS /* We will use our own GETLASTPOS */
+#endif
+
+#define GETLASTPOS \
+ XawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, True)
+
+/*
+ * Class Methods
+ */
+static void XawMultiSinkClassInitialize(void);
+static void XawMultiSinkInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawMultiSinkDestroy(Widget);
+static void XawMultiSinkResize(Widget);
+static Boolean XawMultiSinkSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static int MaxLines(Widget, unsigned int);
+static int MaxHeight(Widget, int);
+static void SetTabs(Widget, int, short*);
+static void DisplayText(Widget, int, int,
+ XawTextPosition, XawTextPosition, Bool);
+static void InsertCursor(Widget, int, int, XawTextInsertState);
+static void FindPosition(Widget, XawTextPosition, int, int, Bool,
+ XawTextPosition*, int*, int*);
+static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*,
+ XawTextPosition*, int*);
+static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*);
+static void GetCursorBounds(Widget, XRectangle*);
+
+/*
+ * Prototypes
+ */
+static void GetGC(MultiSinkObject);
+static int CharWidth(MultiSinkObject, XFontSet, int, wchar_t);
+static unsigned int PaintText(Widget w, GC gc, int x, int y,
+ wchar_t *buf, int len, Bool);
+
+/*
+ * Defined in TextSink.c
+ */
+void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned);
+
+/*
+ * Initialization
+ */
+static wchar_t wspace[2];
+
+#define offset(field) XtOffsetOf(MultiSinkRec, multi_sink.field)
+static XtResource resources[] = {
+ {
+ XtNfontSet,
+ XtCFontSet,
+ XtRFontSet,
+ sizeof(XFontSet),
+ offset(fontset),
+ XtRString,
+ XtDefaultFontSet
+ },
+ {
+ XtNecho,
+ XtCOutput,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(echo),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNdisplayNonprinting,
+ XtCOutput,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(display_nonprinting),
+ XtRImmediate,
+ (XtPointer)True
+ },
+};
+#undef offset
+
+#define SuperClass (&textSinkClassRec)
+MultiSinkClassRec multiSinkClassRec = {
+ /* object */
+ {
+ (WidgetClass)SuperClass, /* superclass */
+ "MultiSink", /* class_name */
+ sizeof(MultiSinkRec), /* widget_size */
+ XawMultiSinkClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawMultiSinkInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* obj1 */
+ NULL, /* obj2 */
+ 0, /* obj3 */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* obj4 */
+ False, /* obj5 */
+ False, /* obj6 */
+ False, /* obj7 */
+ XawMultiSinkDestroy, /* destroy */
+ (XtProc)XawMultiSinkResize, /* obj8 */
+ NULL, /* obj9 */
+ XawMultiSinkSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* obj10 */
+ NULL, /* get_values_hook */
+ NULL, /* obj11 */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* obj12 */
+ NULL, /* obj13 */
+ NULL, /* obj14 */
+ NULL, /* extension */
+ },
+ /* text_sink */
+ {
+ DisplayText, /* DisplayText */
+ InsertCursor, /* InsertCursor */
+ XtInheritClearToBackground, /* ClearToBackground */
+ FindPosition, /* FindPosition */
+ FindDistance, /* FindDistance */
+ Resolve, /* Resolve */
+ MaxLines, /* MaxLines */
+ MaxHeight, /* MaxHeight */
+ SetTabs, /* SetTabs */
+ GetCursorBounds, /* GetCursorBounds */
+ },
+ /* multi_sink */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass multiSinkObjectClass = (WidgetClass)&multiSinkClassRec;
+
+/*
+ * Implementation
+ */
+static int
+CharWidth(MultiSinkObject sink, XFontSet fontset, int x, wchar_t c)
+{
+ int width = 0;
+
+ if (c == _Xaw_atowc(XawLF))
+ return (0);
+
+ if (c == _Xaw_atowc(XawTAB)) {
+ int i;
+ Position *tab;
+
+ width = x;
+ /* Adjust for Left Margin. */
+ x -= ((TextWidget)XtParent((Widget)sink))->text.left_margin;
+
+ i = 0;
+ tab = sink->text_sink.tabs;
+ /*CONSTCOND*/
+ while (1) {
+ if (x < *tab)
+ return (*tab - x);
+ /* Start again */
+ if (++i >= sink->text_sink.tab_count) {
+ x -= *tab;
+ i = 0;
+ tab = sink->text_sink.tabs;
+ if (width == x)
+ return (0);
+ }
+ else
+ ++tab;
+ }
+ /*NOTREACHED*/
+ }
+
+ if (XwcTextEscapement(fontset, &c, 1) == 0) {
+ if (sink->multi_sink.display_nonprinting)
+ c = _Xaw_atowc('@');
+ else
+ c = _Xaw_atowc(XawSP);
+ }
+
+ /*
+ * if more efficiency(suppose one column is one ASCII char)
+
+ width = XwcGetColumn(fontset->font_charset, fontset->num_of_fonts, c) *
+ fontset->font_struct_list[0]->min_bounds.width;
+ *
+ * WARNING: Very Slower!!!
+ *
+ * Li Yuhong.
+ */
+
+ width = XwcTextEscapement(fontset, &c, 1);
+
+ return (width);
+}
+
+/*
+ * Function:
+ * PaintText
+ *
+ * Parameters:
+ * w - text sink object
+ * gc - gc to paint text
+ * x - location to paint the text
+ * y - ""
+ * buf - buffer and length of text to paint
+ * len - ""
+ * clear_bg - clear background before drawing ?
+ *
+ * Description:
+ * Actually paints the text into the window.
+ *
+ * Returns:
+ * The width of the text painted
+ */
+static unsigned int
+PaintText(Widget w, GC gc, int x, int y, wchar_t *buf, int len, Bool clear_bg)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ XFontSet fontset = sink->multi_sink.fontset;
+ unsigned int width = XwcTextEscapement(fontset, buf, len);
+
+ if (((int)width) <= -x) /* Don't draw if we can't see it */
+ return (width);
+
+ if (clear_bg) {
+ XFontSetExtents *ext = XExtentsOfFontSet(fontset);
+
+ _XawTextSinkClearToBackground(w, x, y - abs(ext->max_logical_extent.y),
+ width, ext->max_logical_extent.height);
+ XwcDrawString(XtDisplay(ctx), XtWindow(ctx), fontset, gc, x, y, buf, len);
+ }
+ else
+ XwcDrawImageString(XtDisplay(ctx), XtWindow(ctx), fontset, gc,
+ x, y, buf, len);
+
+ return (width);
+}
+
+/* Sink Object Functions */
+/*
+ * This function does not know about drawing more than one line of text
+ */
+static void
+DisplayText(Widget w, int x, int y,
+ XawTextPosition pos1, XawTextPosition pos2, Bool highlight)
+{
+ TextWidget ctx = (TextWidget)XtParent(w);
+ MultiSinkObject sink = (MultiSinkObject)w;
+ XFontSet fontset = sink->multi_sink.fontset;
+ Widget source = XawTextGetSource(XtParent(w));
+ wchar_t buf[256];
+ XFontSetExtents *ext = XExtentsOfFontSet(fontset);
+ int j, k;
+ XawTextBlock blk;
+ GC gc, invgc, tabgc;
+ int max_x;
+ Bool clear_bg;
+
+ if (!sink->multi_sink.echo || !ctx->text.lt.lines)
+ return;
+
+ max_x = (int)XtWidth(ctx) - ctx->text.r_margin.right;
+ clear_bg = !highlight && ctx->core.background_pixmap != XtUnspecifiedPixmap;
+
+ gc = highlight ? sink->multi_sink.invgc : sink->multi_sink.normgc;
+ invgc = highlight ? sink->multi_sink.normgc : sink->multi_sink.invgc;
+
+ if (highlight && sink->multi_sink.xorgc)
+ tabgc = sink->multi_sink.xorgc;
+ else
+ tabgc = invgc;
+
+ y += abs(ext->max_logical_extent.y);
+ for (j = 0; pos1 < pos2;) {
+ pos1 = XawTextSourceRead(source, pos1, &blk, (int) pos2 - pos1);
+ for (k = 0; k < blk.length; k++) {
+ if ((unsigned) j >= (sizeof(buf) / sizeof(wchar_t)) - 1) {
+ /* buffer full, dump the text */
+ if ((x += PaintText(w, gc, x, y, buf, j, clear_bg)) >= max_x)
+ return;
+ j = 0;
+ }
+ buf[j] = ((wchar_t *)blk.ptr)[k];
+ if (buf[j] == _Xaw_atowc(XawLF))
+ continue;
+
+ else if (buf[j] == _Xaw_atowc(XawTAB)) {
+ unsigned int width;
+
+ if (j != 0 &&
+ (x += PaintText(w, gc, x, y, buf, j, clear_bg)) >= max_x)
+ return;
+
+ width = CharWidth(sink, fontset, x, _Xaw_atowc(XawTAB));
+ if (clear_bg)
+ _XawTextSinkClearToBackground(w,
+ x, y - abs(ext->max_logical_extent.y),
+ width, ext->max_logical_extent.height);
+ else
+ XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w),
+ tabgc, x,
+ y - abs(ext->max_logical_extent.y),
+ width,
+ ext->max_logical_extent.height);
+ x += width;
+ j = -1;
+ }
+ else if (XwcTextEscapement(sink->multi_sink.fontset, &buf[j], 1)
+ == 0) {
+ if (sink->multi_sink.display_nonprinting)
+ buf[j] = _Xaw_atowc('@');
+ else
+ buf[j] = _Xaw_atowc(XawSP);
+ }
+ j++;
+ }
+ }
+
+ if (j > 0)
+ (void)PaintText(w, gc, x, y, buf, j, clear_bg);
+}
+
+/*
+ * Function:
+ * GetCursorBounds
+ *
+ * Parameters:
+ * w - text sink object
+ * rect - X rectangle to return the cursor bounds
+ *
+ * Description:
+ * Returns the size and location of the cursor.
+ */
+static void
+GetCursorBounds(Widget w, XRectangle *rect)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+
+ rect->width = CharWidth(sink, sink->multi_sink.fontset, 0, _Xaw_atowc(XawSP));
+ rect->height = (XExtentsOfFontSet(sink->multi_sink.fontset)
+ ->max_logical_extent.height);
+ rect->x = sink->multi_sink.cursor_x;
+ rect->y = sink->multi_sink.cursor_y - (short)rect->height;
+}
+
+/*
+ * The following procedure manages the "insert" cursor
+ */
+static void
+InsertCursor(Widget w, int x, int y, XawTextInsertState state)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ XFontSet fontset = sink->multi_sink.fontset;
+ Widget ctx = XtParent(w);
+ XawTextPosition position = XawTextGetInsertionPoint(ctx);
+
+ if (XtIsRealized(ctx)) {
+ int fheight, fdiff;
+ XawTextBlock block;
+ wchar_t c;
+ XawTextPosition selection_start, selection_end;
+ Boolean has_selection;
+ XFontSetExtents *ext = XExtentsOfFontSet(fontset);
+
+ XawTextGetSelectionPos((Widget)ctx, &selection_start, &selection_end);
+ has_selection = selection_start != selection_end;
+
+ fheight = ext->max_logical_extent.height;
+ fdiff = fheight - abs(ext->max_logical_extent.y);
+
+ if ((sink->multi_sink.cursor_position != position || state == XawisOff)
+ && !has_selection && sink->multi_sink.laststate != XawisOff) {
+ wchar_t *ochar;
+
+ (void)XawTextSourceRead(XawTextGetSource(ctx),
+ sink->multi_sink.cursor_position,
+ &block, 1);
+ if (!block.length)
+ ochar = NULL;
+ else {
+ c = ((wchar_t *)block.ptr)[0];
+ if (c == _Xaw_atowc(XawLF))
+ ochar = NULL;
+ else if (c == _Xaw_atowc(XawTAB))
+ ochar = wspace;
+ else
+ ochar = (wchar_t *)block.ptr;
+ }
+
+ if (!ochar)
+ _XawTextSinkClearToBackground(w, sink->multi_sink.cursor_x,
+ (sink->multi_sink.cursor_y - 1 -
+ fheight), CharWidth(sink, fontset,
+ 0, wspace[0]),
+ fheight);
+ else {
+ if (XwcTextEscapement(sink->multi_sink.fontset, ochar, 1) != 0)
+ DisplayText(w, sink->multi_sink.cursor_x,
+ sink->multi_sink.cursor_y - 1 - fheight,
+ sink->multi_sink.cursor_position,
+ sink->multi_sink.cursor_position + 1,
+ False);
+ else
+ PaintText(w, sink->multi_sink.normgc,
+ sink->multi_sink.cursor_x,
+ sink->multi_sink.cursor_y - 1 - fdiff,
+ ochar, 1,
+ ctx->core.background_pixmap != XtUnspecifiedPixmap);
+ }
+ }
+
+ if (!has_selection && state != XawisOff) {
+ wchar_t *nchar;
+ Boolean focus = ((TextWidget)ctx)->text.hasfocus;
+
+ (void)XawTextSourceRead(XawTextGetSource(ctx),
+ position, &block, 1);
+ c = ((wchar_t *)block.ptr)[0];
+ if (!block.length || c == _Xaw_atowc(XawLF)
+ || c == _Xaw_atowc(XawTAB))
+ nchar = wspace;
+ else
+ nchar = (wchar_t *)block.ptr;
+
+ if (focus) {
+ if (XwcTextEscapement(sink->multi_sink.fontset, nchar, 1) != 0)
+ XwcDrawImageString(XtDisplay(ctx), XtWindow(ctx),
+ fontset, sink->multi_sink.invgc,
+ x, (y - 1 - fdiff), nchar, 1);
+ else
+ DisplayText(w, x, y - 1 - fheight,
+ position, position + 1, True);
+ }
+ else
+ XDrawRectangle(XtDisplay(ctx), XtWindow(ctx),
+ sink->multi_sink.xorgc ?
+ sink->multi_sink.xorgc : sink->multi_sink.normgc,
+ x, y - 1 - fheight,
+ CharWidth(sink, fontset, 0, *nchar) - 1,
+ fheight - 1);
+ }
+ }
+
+ sink->multi_sink.cursor_x = x;
+ sink->multi_sink.cursor_y = y;
+ sink->multi_sink.laststate = state;
+ sink->multi_sink.cursor_position = position;
+}
+
+/*
+ * Given two positions, find the distance between them
+ */
+static void
+FindDistance(Widget w, XawTextPosition fromPos, int fromx,
+ XawTextPosition toPos, int *resWidth,
+ XawTextPosition *resPos, int *resHeight)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ XFontSet fontset = sink->multi_sink.fontset;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ Widget source = ctx->text.source;
+ XawTextPosition idx, pos;
+ wchar_t c;
+ XFontSetExtents *ext = XExtentsOfFontSet(fontset);
+ XawTextBlock blk;
+ int i, rWidth;
+
+ pos = XawTextSourceRead(source, fromPos, &blk, toPos - fromPos);
+ rWidth = 0;
+ for (i = 0, idx = fromPos; idx < toPos; i++, idx++) {
+ if (i >= blk.length) {
+ i = 0;
+ XawTextSourceRead(source, pos, &blk, toPos - pos);
+ if (blk.length == 0)
+ break;
+ }
+ c = ((wchar_t *)blk.ptr)[i];
+ rWidth += CharWidth(sink, fontset, fromx + rWidth, c);
+ if (c == _Xaw_atowc(XawLF)) {
+ idx++;
+ break;
+ }
+ }
+
+ *resPos = idx;
+ *resWidth = rWidth;
+ *resHeight = ext->max_logical_extent.height;
+}
+
+static void
+FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width,
+ Bool stopAtWordBreak, XawTextPosition *resPos, int *resWidth,
+ int *resHeight)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ TextWidget ctx = (TextWidget)XtParent(w);
+ Widget source = ctx->text.source;
+ XFontSet fontset = sink->multi_sink.fontset;
+ XawTextPosition idx, pos, whiteSpacePosition = 0;
+ int i, lastWidth, whiteSpaceWidth, rWidth;
+ Boolean whiteSpaceSeen;
+ wchar_t c;
+ XFontSetExtents *ext = XExtentsOfFontSet(fontset);
+ XawTextBlock blk;
+
+ pos = XawTextSourceRead(source, fromPos, &blk, BUFSIZ);
+ rWidth = lastWidth = whiteSpaceWidth = 0;
+ whiteSpaceSeen = False;
+ c = 0;
+
+ for (i = 0, idx = fromPos; rWidth <= width; i++, idx++) {
+ if (i >= blk.length) {
+ i = 0;
+ pos = XawTextSourceRead(source, pos, &blk, BUFSIZ);
+ if (blk.length == 0)
+ break;
+ }
+ c = ((wchar_t *)blk.ptr)[i];
+ lastWidth = rWidth;
+ rWidth += CharWidth(sink, fontset, fromx + rWidth, c);
+
+ if (c == _Xaw_atowc(XawLF)) {
+ idx++;
+ break;
+ }
+ else if ((c == _Xaw_atowc(XawSP) || c == _Xaw_atowc(XawTAB))
+ && rWidth <= width) {
+ whiteSpaceSeen = True;
+ whiteSpacePosition = idx;
+ whiteSpaceWidth = rWidth;
+ }
+ }
+
+ if (rWidth > width && idx > fromPos) {
+ idx--;
+ rWidth = lastWidth;
+ if (stopAtWordBreak && whiteSpaceSeen) {
+ idx = whiteSpacePosition + 1;
+ rWidth = whiteSpaceWidth;
+ }
+ }
+
+ if (idx >= ctx->text.lastPos && c != _Xaw_atowc(XawLF))
+ idx = ctx->text.lastPos + 1;
+
+ *resPos = idx;
+ *resWidth = rWidth;
+ *resHeight = ext->max_logical_extent.height;
+}
+
+static void
+Resolve(Widget w, XawTextPosition pos, int fromx, int width,
+ XawTextPosition *pos_return)
+{
+ int resWidth, resHeight;
+ Widget source = XawTextGetSource(XtParent(w));
+
+ FindPosition(w, pos, fromx, width, False, pos_return, &resWidth, &resHeight);
+ if (*pos_return > GETLASTPOS)
+ *pos_return = GETLASTPOS;
+}
+
+static void
+GetGC(MultiSinkObject sink)
+{
+ XtGCMask valuemask = (GCGraphicsExposures | GCClipXOrigin |
+ GCForeground | GCBackground);
+ XGCValues values;
+
+ /* XXX We dont want do share a gc that will change the clip-mask */
+ values.clip_x_origin = (long)sink;
+ values.clip_mask = None;
+ values.graphics_exposures = False;
+
+ values.foreground = sink->text_sink.foreground;
+ values.background = sink->text_sink.background;
+
+ sink->multi_sink.normgc = XtAllocateGC((Widget)sink, 0, valuemask, &values,
+ GCFont | GCClipMask, 0);
+
+ values.foreground = sink->text_sink.background;
+#ifndef OLDXAW
+ values.background = sink->text_sink.cursor_color;
+#else
+ values.background = sink->text_sink.foreground;
+#endif
+ sink->multi_sink.invgc = XtAllocateGC((Widget)sink, 0, valuemask, &values,
+ GCFont | GCClipMask, 0);
+#ifndef OLDXAW
+ if (sink->text_sink.cursor_color != sink->text_sink.foreground) {
+ values.foreground = sink->text_sink.cursor_color;
+ values.background = sink->text_sink.foreground;
+ sink->multi_sink.xorgc = XtAllocateGC((Widget)sink, 0, valuemask,
+ &values, GCFont | GCClipMask, 0);
+ }
+ else
+#endif /* OLDXAW */
+ sink->multi_sink.xorgc = NULL;
+
+ XawMultiSinkResize((Widget)sink);
+}
+
+static void
+XawMultiSinkClassInitialize(void)
+{
+ wspace[0] = _Xaw_atowc(XawSP);
+ XawInitializeWidgetSet();
+}
+
+/*
+ * Function:
+ * XawMultiSinkInitialize
+ *
+ * Parameters:
+ * request - requested and new values for the object instance
+ * cnew - ""
+ *
+ * Description:
+ * Initializes the TextSink Object.
+ */
+/* ARGSUSED */
+static void
+XawMultiSinkInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MultiSinkObject sink = (MultiSinkObject)cnew;
+
+ GetGC(sink);
+
+ if (!sink->multi_sink.fontset) XtError("Aborting: no fontset found\n");
+
+ sink->multi_sink.cursor_position = 0;
+ sink->multi_sink.laststate = XawisOff;
+ sink->multi_sink.cursor_x = sink->multi_sink.cursor_y = 0;
+}
+
+/*
+ * Function:
+ * XawMultiSinkDestroy
+ *
+ * Parameters:
+ * w - MultiSink Object
+ *
+ * Description:
+ * This function cleans up when the object is destroyed.
+ */
+static void
+XawMultiSinkDestroy(Widget w)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+
+ XtReleaseGC(w, sink->multi_sink.normgc);
+ XtReleaseGC(w, sink->multi_sink.invgc);
+ if (sink->multi_sink.xorgc)
+ XtReleaseGC(w, sink->multi_sink.xorgc);
+ sink->multi_sink.normgc =
+ sink->multi_sink.invgc =
+ sink->multi_sink.xorgc = NULL;
+}
+
+static void
+XawMultiSinkResize(Widget w)
+{
+ TextWidget ctx = (TextWidget)XtParent(w);
+ MultiSinkObject sink = (MultiSinkObject)w;
+ XRectangle rect;
+ int width, height;
+
+ if (w->core.widget_class != multiSinkObjectClass)
+ return;
+
+ rect.x = ctx->text.r_margin.left;
+ rect.y = ctx->text.r_margin.top;
+ width = (int)XtWidth(ctx) -
+ (int)ctx->text.r_margin.right - (int)ctx->text.r_margin.left;
+ height = (int)XtHeight(ctx) -
+ (int)ctx->text.r_margin.top - (int)ctx->text.r_margin.bottom;
+ rect.width = width;
+ rect.height = height;
+
+ if (sink->multi_sink.normgc) {
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.normgc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.normgc, None);
+ }
+ if (sink->multi_sink.invgc) {
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.invgc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.invgc, None);
+ }
+ if (sink->multi_sink.xorgc) {
+ if (width >= 0 && height >= 0)
+ XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.xorgc,
+ 0, 0, &rect, 1, Unsorted);
+ else
+ XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.xorgc, None);
+ }
+}
+
+/*
+ * Function:
+ * XawMultiSinkSetValues
+ *
+ * Parameters:
+ * current - current state of the object
+ * request - what was requested
+ * cnew - what the object will become
+ *
+ * Description:
+ * Sets the values for the MultiSink.
+ *
+ * Returns:
+ * True if redisplay is needed
+ */
+/*ARGSUSED*/
+static Boolean
+XawMultiSinkSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MultiSinkObject w = (MultiSinkObject)cnew;
+ MultiSinkObject old_w = (MultiSinkObject)current;
+
+ /* Font set is not in the GC! Do not make a new GC when font set changes! */
+
+ if (w->multi_sink.fontset != old_w->multi_sink.fontset) {
+ ((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+#ifndef NO_TAB_FIX
+ SetTabs((Widget)w, w->text_sink.tab_count, w->text_sink.char_tabs);
+#endif
+ }
+
+ if (w->text_sink.background != old_w->text_sink.background
+ || w->text_sink.foreground != old_w->text_sink.foreground
+#ifndef OLDXAW
+ || w->text_sink.cursor_color != old_w->text_sink.cursor_color
+#endif
+ ) {
+ XtReleaseGC(cnew, w->multi_sink.normgc);
+ XtReleaseGC(cnew, w->multi_sink.invgc);
+ if (w->multi_sink.xorgc)
+ XtReleaseGC(cnew, w->multi_sink.xorgc);
+ GetGC(w);
+ ((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+ }
+ else if (w->multi_sink.echo != old_w->multi_sink.echo
+ || w->multi_sink.display_nonprinting
+ != old_w->multi_sink.display_nonprinting)
+ ((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+
+ return (False);
+}
+
+/*
+ * Function:
+ * MaxLines
+ *
+ * Parameters:
+ * w - MultiSink Object
+ * height - height to fit lines into
+ *
+ * Description:
+ * Finds the Maximum number of lines that will fit in a given height.
+ *
+ * Returns:
+ * The number of lines that will fit
+ */
+/*ARGSUSED*/
+static int
+MaxLines(Widget w, unsigned int height)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ int font_height;
+ XFontSetExtents *ext = XExtentsOfFontSet(sink->multi_sink.fontset);
+
+ font_height = ext->max_logical_extent.height;
+ return (height / font_height);
+}
+
+/*
+ * Function:
+ * MaxHeight
+ *
+ * Parameters:
+ * w - MultiSink Object
+ * lines - number of lines
+ *
+ * Description:
+ * Finds the Minium height that will contain a given number lines.
+ * Returns:
+ * The height
+ */
+/*ARGSUSED*/
+static int
+MaxHeight(Widget w, int lines)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ XFontSetExtents *ext = XExtentsOfFontSet(sink->multi_sink.fontset);
+
+ return (lines * ext->max_logical_extent.height);
+}
+
+/*
+ * Function:
+ * SetTabs
+ *
+ * Arguments:
+ * w - MultiSink Object
+ * tab_count - number of tabs in the list
+ * tabs - text positions of the tabs
+ *
+ * Description:
+ * Sets the Tab stops.
+ */
+static void
+SetTabs(Widget w, int tab_count, short* tabs)
+{
+ MultiSinkObject sink = (MultiSinkObject)w;
+ int i;
+ Atom XA_FIGURE_WIDTH;
+ unsigned long figure_width = 0;
+ XFontStruct *font;
+
+ /*
+ * Bug:
+ * Suppose the first font of fontset stores the unit of column.
+ *
+ * By Li Yuhong, Mar. 14, 1991
+ */
+ {
+ XFontStruct **f_list;
+ char **f_name;
+
+ (void)XFontsOfFontSet(sink->multi_sink.fontset, &f_list, &f_name);
+ font = f_list[0];
+ }
+
+ /*
+ * Find the figure width of the current font
+ */
+ XA_FIGURE_WIDTH = XInternAtom(XtDisplayOfObject(w), "FIGURE_WIDTH", False);
+ if (XA_FIGURE_WIDTH != None
+ && (!XGetFontProperty(font, XA_FIGURE_WIDTH, &figure_width)
+ || figure_width == 0)) {
+ if (font->per_char && font->min_char_or_byte2 <= '$'
+ && font->max_char_or_byte2 >= '$')
+ figure_width = font->per_char['$' - font->min_char_or_byte2].width;
+ else
+ figure_width = font->max_bounds.width;
+ }
+
+ if (tab_count > sink->text_sink.tab_count) {
+ sink->text_sink.tabs = (Position *)
+ XtRealloc((char *)sink->text_sink.tabs,
+ (Cardinal)(tab_count * sizeof(Position)));
+ sink->text_sink.char_tabs = (short *)
+ XtRealloc((char *)sink->text_sink.char_tabs,
+ (Cardinal)(tab_count * sizeof(short)));
+ }
+
+ for (i = 0 ; i < tab_count ; i++) {
+ sink->text_sink.tabs[i] = tabs[i] * figure_width;
+ sink->text_sink.char_tabs[i] = tabs[i];
+ }
+
+ sink->text_sink.tab_count = tab_count;
+
+#ifndef NO_TAB_FIX
+ ((TextWidget)XtParent(w))->text.redisplay_needed = True;
+#endif
+}
+
+void
+_XawMultiSinkPosToXY(Widget w, XawTextPosition pos, Position *x, Position *y)
+{
+ MultiSinkObject sink = (MultiSinkObject)((TextWidget)w)->text.sink;
+ XFontSetExtents *ext = XExtentsOfFontSet(sink->multi_sink.fontset);
+
+ _XawTextPosToXY(w, pos, x, y);
+ *y += abs(ext->max_logical_extent.y);
+}
diff --git a/libXaw/src/MultiSrc.c b/libXaw/src/MultiSrc.c index e9e4bda12..affdd6d89 100644 --- a/libXaw/src/MultiSrc.c +++ b/libXaw/src/MultiSrc.c @@ -1,1617 +1,1617 @@ -/* - * Copyright 1991 by OMRON Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name OMRON not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. OMRON makes no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - * - * Authors: Chris Peterson MIT X Consortium - * Li Yuhong OMRON Corporation - * Frank Sheeran OMRON Corporation - * - * Much code taken from X11R3 String and Disk Sources. - */ - -/* - -Copyright 1991, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xfuncs.h> -#include <X11/Xos.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/XawInit.h> -#include <X11/Xaw/MultiSrcP.h> -#include <X11/Xaw/XawImP.h> -#include "XawI18n.h" -#include "Private.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -#define MAGIC_VALUE ((XawTextPosition)-1) -#define streq(a, b) (strcmp((a), (b)) == 0) - -#ifdef X_NOT_POSIX -#define Off_t long -#define Size_t unsigned int -#else -#define Off_t off_t -#define Size_t size_t -#endif - - -/* - * Class Methods - */ -static XawTextPosition ReadText(Widget, XawTextPosition, XawTextBlock*, int); -static int ReplaceText(Widget, XawTextPosition, XawTextPosition, - XawTextBlock*); -static XawTextPosition Scan(Widget, XawTextPosition, XawTextScanType, - XawTextScanDirection, int, Bool); -static XawTextPosition Search(Widget, XawTextPosition, XawTextScanDirection, - XawTextBlock*); -static void XawMultiSrcClassInitialize(void); -static void XawMultiSrcDestroy(Widget); -static void XawMultiSrcInitialize(Widget, Widget, ArgList, Cardinal*); -static Boolean XawMultiSrcSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static void XawMultiSrcGetValuesHook(Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static MultiPiece *AllocNewPiece(MultiSrcObject, MultiPiece*); -static void BreakPiece(MultiSrcObject, MultiPiece*); -static Boolean CvtMultiTypeToString(Display*, XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr, XtPointer*); -static void CvtStringToMultiType(XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr); -static MultiPiece *FindPiece(MultiSrcObject, XawTextPosition, - XawTextPosition*); -static void FreeAllPieces(MultiSrcObject); -static FILE *InitStringOrFile(MultiSrcObject, Bool); -static void LoadPieces(MultiSrcObject, FILE*, char*); -static void RemovePiece(MultiSrcObject, MultiPiece*); -static void RemoveOldStringOrFile(MultiSrcObject, Bool); -static String StorePiecesInString(MultiSrcObject); -static Bool WriteToFile(String, String); -static void GetDefaultPieceSize(Widget, int, XrmValue*); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(MultiSrcRec, multi_src.field) -static XtResource resources[] = { - { - XtNstring, - XtCString, - XtRString, - sizeof(XtPointer), - offset(string), - XtRPointer, - NULL - }, - { - XtNtype, - XtCType, - XtRMultiType, - sizeof(XawAsciiType), - offset(type), - XtRImmediate, - (XtPointer)XawAsciiString - }, - { - XtNdataCompression, - XtCDataCompression, - XtRBoolean, - sizeof(Boolean), - offset(data_compression), - XtRImmediate, - (XtPointer)False - }, - { - XtNpieceSize, - XtCPieceSize, - XtRInt, - sizeof(XawTextPosition), - offset(piece_size), - XtRCallProc, - (XtPointer)GetDefaultPieceSize - }, -#ifdef OLDXAW - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(callback), - XtRCallback, - (XtPointer)NULL - }, -#endif - { - XtNuseStringInPlace, - XtCUseStringInPlace, - XtRBoolean, - sizeof(Boolean), - offset(use_string_in_place), - XtRImmediate, - (XtPointer)False - }, - { - XtNlength, - XtCLength, - XtRInt, - sizeof(int), - offset(multi_length), - XtRImmediate, - (XtPointer)MAGIC_VALUE - }, -}; -#undef offset - -#define superclass (&textSrcClassRec) -MultiSrcClassRec multiSrcClassRec = { - /* object */ - { - (WidgetClass)superclass, /* superclass */ - "MultiSrc", /* class_name */ - sizeof(MultiSrcRec), /* widget_size */ - XawMultiSrcClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawMultiSrcInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* obj1 */ - NULL, /* obj2 */ - 0, /* obj3 */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* obj4 */ - False, /* obj5 */ - False, /* obj6 */ - False, /* obj7 */ - XawMultiSrcDestroy, /* destroy */ - NULL, /* obj8 */ - NULL, /* obj9 */ - XawMultiSrcSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* obj10 */ - XawMultiSrcGetValuesHook, /* get_values_hook */ - NULL, /* obj11 */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* obj12 */ - NULL, /* obj13 */ - NULL, /* obj14 */ - NULL, /* extension */ - }, - /* text_src */ - { - ReadText, /* Read */ - ReplaceText, /* Replace */ - Scan, /* Scan */ - Search, /* Search */ - XtInheritSetSelection, /* SetSelection */ - XtInheritConvertSelection, /* ConvertSelection */ - }, - /* multi_src */ - { - NULL, /* extension */ - }, -}; - -WidgetClass multiSrcObjectClass = (WidgetClass)&multiSrcClassRec; - -static XrmQuark Qstring, Qfile; - -/* - * Implementation - */ -static void -XawMultiSrcClassInitialize(void) -{ - XawInitializeWidgetSet(); - Qstring = XrmPermStringToQuark(XtEstring); - Qfile = XrmPermStringToQuark(XtEfile); - XtAddConverter(XtRString, XtRMultiType, CvtStringToMultiType, NULL, 0); - XtSetTypeConverter(XtRMultiType, XtRString, CvtMultiTypeToString, NULL, 0, - XtCacheNone, NULL); -} - -/* - * Function: - * XawMultiSrcInitialize - * - * Parameters: - * request - widget requested by the argument list - * cnew - the new widget with both resource and non resource values - * args - (unused) - * num_args - (unused) - * - * Description: - * Initializes the multi src object - */ -/*ARGSUSED*/ -static void -XawMultiSrcInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MultiSrcObject src = (MultiSrcObject)cnew; - FILE *file; - - /* - * Set correct flags (override resources) depending upon widget class - */ -#ifdef OLDXAW - src->multi_src.changes = False; -#else - src->text_src.changed = False; -#endif - src->multi_src.allocated_string = False; - - if (src->multi_src.use_string_in_place && src->multi_src.string == NULL) - src->multi_src.use_string_in_place = False; - - file = InitStringOrFile(src, src->multi_src.type == XawAsciiFile); - LoadPieces(src, file, NULL); - - if (file != NULL) - fclose(file); - src->text_src.text_format = XawFmtWide; -} - -/* - * Function: - * ReadText - * - * Parameters: - * w - MultiSource object - * pos - position of the text to retrieve - * text - text block that will contain returned text - * length - maximum number of characters to read - * - * Description: - * This function reads the source. - * - * Returns: - * The character position following the retrieved text. - */ -static XawTextPosition -ReadText(Widget w, XawTextPosition pos, XawTextBlock *text, int length) -{ - MultiSrcObject src = (MultiSrcObject)w; - XawTextPosition count, start; - MultiPiece *piece = FindPiece(src, pos, &start); - - text->format = XawFmtWide; - text->firstPos = pos; - text->ptr = (char *)(piece->text + (pos - start)); - count = piece->used - (pos - start); - text->length = Max(0, (length > count) ? count : length); - - return (pos + text->length); -} - -/* - * Function: - * ReplaceText - * - * Parameters: - * w - MultiSource object - * startPos - ends of text that will be removed - * endPos - "" - * text - new text to be inserted into buffer at startPos - * - * Description: - * Replaces a block of text with new text. - * - * Returns: - * XawEditDone on success, XawEditError otherwise - */ -/*ARGSUSED*/ -static int -ReplaceText(Widget w, XawTextPosition startPos, XawTextPosition endPos, - XawTextBlock *u_text_p) -{ - MultiSrcObject src = (MultiSrcObject)w; - MultiPiece *start_piece, *end_piece, *temp_piece; - XawTextPosition start_first, end_first; - int length, firstPos; - wchar_t *wptr; - Bool local_artificial_block = False; - XawTextBlock text; - - /* STEP 1: The user handed me a text block called `u_text' that may be - * in either FMTWIDE or FMT8BIT (ie MB.) Later code needs the block - * `text' to hold FMTWIDE. So, this copies `u_text' to `text', and if - * `u_text' was MB, I knock it up to WIDE - */ - if (u_text_p->length == 0) /* if so, the block contents never ref'd */ - text.length = 0; - - else if (u_text_p->format == XawFmtWide) { - local_artificial_block = False; /* don't have to free it ourselves */ - text.firstPos = u_text_p->firstPos; - text.length = u_text_p->length; - text.ptr = u_text_p->ptr; - } - else { - /* - * WARNING! u_text->firstPos and length are in units of CHAR, - * not CHARACTERS! - */ - local_artificial_block = True; /* have to free it ourselves */ - text.firstPos = 0; - text.length = u_text_p->length; /* _XawTextMBToWC converts this - * to wchar len - */ - - text.ptr = (char*)_XawTextMBToWC(XtDisplay(XtParent(w)), - &u_text_p->ptr[u_text_p->firstPos], - &text.length); - - /* I assert the following assignment is not needed - since Step 4 - depends on length, it has no need of a terminating NULL. I think - the ASCII-version has the same needless NULL. */ - /*((wchar_t*)text.ptr)[ text.length ] = NULL;*/ - } - - /* STEP 2: some initialization... */ - if (src->text_src.edit_mode == XawtextRead) - return (XawEditError); - - start_piece = FindPiece(src, startPos, &start_first); - end_piece = FindPiece(src, endPos, &end_first); - - /* STEP 3: remove the empty pieces... */ - if (start_piece != end_piece) { - temp_piece = start_piece->next; - - /* If empty and not the only piece then remove it */ - if (((start_piece->used = startPos - start_first) == 0) - && !(start_piece->next == NULL && start_piece->prev == NULL)) - RemovePiece(src, start_piece); - - while (temp_piece != end_piece) { - temp_piece = temp_piece->next; - RemovePiece(src, temp_piece->prev); - } - end_piece->used -= endPos - end_first; - if (end_piece->used != 0) - memmove(end_piece->text, end_piece->text + endPos - end_first, - end_piece->used * sizeof(wchar_t)); - } - else { /* We are fully in one piece */ - if ((start_piece->used -= endPos - startPos) == 0) { - if (!(start_piece->next == NULL && start_piece->prev == NULL)) - RemovePiece(src, start_piece); - } - else { - memmove(start_piece->text + (startPos - start_first), - start_piece->text + (endPos - start_first), - (start_piece->used - (startPos - start_first)) * - sizeof(wchar_t)); - if (src->multi_src.use_string_in_place && - ((src->multi_src.length - (endPos - startPos)) - < src->multi_src.piece_size - 1)) - start_piece->text[src->multi_src.length - (endPos - startPos)] = - (wchar_t)0; - } - } - - src->multi_src.length += text.length -(endPos - startPos); - - /* STEP 4: insert the new stuff */ - if ( text.length != 0) { - start_piece = FindPiece(src, startPos, &start_first); - length = text.length; - firstPos = text.firstPos; - - while (length > 0) { - wchar_t *ptr; - int fill; - - if (src->multi_src.use_string_in_place) { - if (start_piece->used == src->multi_src.piece_size - 1) { - - /* - * The string is used in place, then the string - * is not allowed to grow - */ - start_piece->used = src->multi_src.length = - src->multi_src.piece_size - 1; - - start_piece->text[src->multi_src.length] = (wchar_t)0; - return (XawEditError); - } - } - - if (start_piece->used == src->multi_src.piece_size) { - BreakPiece(src, start_piece); - start_piece = FindPiece(src, startPos, &start_first); - } - - fill = Min((int)(src->multi_src.piece_size - start_piece->used), length); - - ptr = start_piece->text + (startPos - start_first); - memmove(ptr + fill, ptr, (start_piece->used - - (startPos - start_first)) * sizeof(wchar_t)); - wptr =(wchar_t *)text.ptr; - (void)wcsncpy(ptr, wptr + firstPos, fill); - - startPos += fill; - firstPos += fill; - start_piece->used += fill; - length -= fill; - } - } - - if (local_artificial_block == True) - /* In other words, text is not the u_text that the user handed me but - one I made myself. I only care, because I need to free the string */ - XtFree(text.ptr); - - if (src->multi_src.use_string_in_place) - start_piece->text[start_piece->used] = (wchar_t)0; - -#ifdef OLDXAW - src->multi_src.changes = True; - XtCallCallbacks(w, XtNcallback, NULL); -#endif - - return (XawEditDone); -} - -/* - * Function: - * Scan - * - * Parameters: - * w - MultiSource widget - * position - position to start scanning - * type - type of thing to scan for - * dir - direction to scan - * count - which occurance if this thing to search for - * include - whether or not to include the character found in - * the position that is returned - * - * Description: - * Scans the text source for the number and type of item specified. - * - * Returns: - * The position of the item found - * - * Note: - * While there are only 'n' characters in the file there are n+1 - * possible cursor positions (one before the first character and - * one after the last character - */ -static XawTextPosition -Scan(Widget w, register XawTextPosition position, XawTextScanType type, - XawTextScanDirection dir, int count, Bool include) -{ - MultiSrcObject src = (MultiSrcObject)w; - register char inc; - MultiPiece *piece; - XawTextPosition first, first_eol_position = position; - register wchar_t *ptr; - int cnt = count; - - if (type == XawstAll) { - if (dir == XawsdRight) - return (src->multi_src.length); - return (0); - } - - /* STEP 1: basic sanity checks */ - if (position > src->multi_src.length) - position = src->multi_src.length; - - if (dir == XawsdRight) { - if (position == src->multi_src.length) - return (src->multi_src.length); - inc = 1; - } - else { - if (position == 0) - return (0); - inc = -1; - position--; - } - - piece = FindPiece(src, position, &first); - - if (piece->used == 0) - return (0); - - ptr = (position - first) + piece->text; - - switch (type) { - case XawstEOL: - case XawstParagraph: - case XawstWhiteSpace: - case XawstAlphaNumeric: - for (; cnt > 0 ; cnt--) { - Bool non_space = False, first_eol = True; - - /*CONSTCOND*/ - while (True) { - register wchar_t c; - - if (ptr < piece->text) { - piece = piece->prev; - if (piece == NULL) /* Begining of text */ - return (0); - ptr = piece->text + piece->used - 1; - c = *ptr; - } - else if (ptr >= piece->text + piece->used) { - piece = piece->next; - if (piece == NULL) /* End of text */ - return (src->multi_src.length); - ptr = piece->text; - } - - c = *ptr; - ptr += inc; - position += inc; - - if (type == XawstAlphaNumeric) { - if (!iswalnum(c)) { - if (non_space) - break; - } - else - non_space = True; - } - else if (type == XawstWhiteSpace) { - if (iswspace(c)) { - if (non_space) - break; - } - else - non_space = True; - } - else if (type == XawstEOL) { - if (c == _Xaw_atowc(XawLF)) - break; - } - else { /* XawstParagraph */ - if (first_eol) { - if (c == _Xaw_atowc(XawLF)) { - first_eol_position = position; - first_eol = False; - } - } - else - if (c == _Xaw_atowc(XawLF)) - break; - else if (!iswspace(c)) - first_eol = True; - } - } - } - if (!include) { - if (type == XawstParagraph) - position = first_eol_position; - if (count) - position -= inc; - } - break; - case XawstPositions: - position += count * inc; - break; - default: - break; - } - - if (dir == XawsdLeft) - position++; - - if (position >= src->multi_src.length) - return (src->multi_src.length); - if (position < 0) - return (0); - - return (position); -} - -/* - * Function: - * Search - * - * Parameters: - * w - MultiSource objecy - * position - position to start scanning - * dir - direction to scan - * text - text block to search for - * - * Description: - * Searchs the text source for the text block passed. - * - * Returns: - * The position of the item found - */ -static XawTextPosition -Search(Widget w, register XawTextPosition position, XawTextScanDirection dir, - XawTextBlock *text) -{ - MultiSrcObject src = (MultiSrcObject)w; - register int count = 0; - wchar_t *ptr; - wchar_t *wtarget; - int wtarget_len; - Display *d = XtDisplay(XtParent(w)); - MultiPiece *piece; - wchar_t *buf; - XawTextPosition first; - register char inc; - int cnt; - - /* STEP 1: First, a brief sanity check */ - if (dir == XawsdRight) - inc = 1; - else { - inc = -1; - if (position == 0) - return (XawTextSearchError); - position--; - } - - /* STEP 2: Ensure I have a local wide string.. */ - - /* Since this widget stores 32bit chars, I check here to see if - I'm being passed a string claiming to be 8bit chars (ie, MB text.) - If that is the case, naturally I convert to 32bit format */ - - /*if the block was FMT8BIT, length will convert to REAL wchar count bellow */ - wtarget_len = text->length; - - if (text->format == XawFmtWide) - wtarget = &(((wchar_t*)text->ptr) [text->firstPos]); - else { - /* The following converts wtarget_len from byte len to wchar count */ - wtarget = _XawTextMBToWC(d, &text->ptr[text->firstPos], &wtarget_len); - } - - /* OK, I can now assert that wtarget holds wide characters, wtarget_len - holds an accurate count of those characters, and that firstPos has been - effectively factored out of the following computations */ - - /* STEP 3: SEARCH! */ - buf = (wchar_t *)XtMalloc(sizeof(wchar_t) * wtarget_len); - (void)wcsncpy(buf, wtarget, wtarget_len); - piece = FindPiece(src, position, &first); - ptr = (position - first) + piece->text; - - /*CONSTCOND*/ - while (True) { - if (*ptr == (dir == XawsdRight ? *(buf + count) - : *(buf + wtarget_len - count - 1))) { - if (count == text->length - 1) - break; - else - count++; - } - else { - if (count != 0) { - position -=inc * count; - ptr -= inc * count; - } - count = 0; - } - - ptr += inc; - position += inc; - - while (ptr < piece->text) { - cnt = piece->text - ptr; - - piece = piece->prev; - if (piece == NULL) { /* Begining of text */ - XtFree((char *)buf); - return (XawTextSearchError); - } - ptr = piece->text + piece->used - cnt; - } - - while (ptr >= piece->text + piece->used) { - cnt = ptr - (piece->text + piece->used); - - piece = piece->next; - if (piece == NULL) { /* End of text */ - XtFree((char *)buf); - return (XawTextSearchError); - } - ptr = piece->text + cnt; - } - } - - XtFree((char *)buf); - if (dir == XawsdLeft) - return(position); - - return(position - (wtarget_len - 1)); -} - -/* - * Function: - * XawMultiSrcSetValues - * - * Parameters: - * current - current state of the widget - * request - what was requested - * cnew - what the widget will become - * args - representation of resources that have changed - * num_args - number of changed resources - * - * Description: - * Sets the values for the MultiSource. - * - * Returns: - * True if redisplay is needed - */ -static Boolean -XawMultiSrcSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MultiSrcObject src = (MultiSrcObject)cnew; - MultiSrcObject old_src = (MultiSrcObject)current; - XtAppContext app_con = XtWidgetToApplicationContext(cnew); - Bool total_reset = False, string_set = False; - FILE *file; - unsigned int i; - - if (old_src->multi_src.use_string_in_place - != src->multi_src.use_string_in_place) { - XtAppWarning(app_con, - "MultiSrc: The XtNuseStringInPlace resources " - "may not be changed."); - src->multi_src.use_string_in_place = - old_src->multi_src.use_string_in_place; - } - - for (i = 0; i < *num_args ; i++) - if (streq(args[i].name, XtNstring)) { - string_set = True; - break; - } - - if (string_set || old_src->multi_src.type != src->multi_src.type) { - RemoveOldStringOrFile(old_src, string_set); - src->multi_src.allocated_string = old_src->multi_src.allocated_string; - file = InitStringOrFile(src, string_set); - - LoadPieces(src, file, NULL); - if (file != NULL) - fclose(file); -#ifndef OLDXAW - for (i = 0; i < src->text_src.num_text; i++) - /* Tell text widget what happened */ - XawTextSetSource(src->text_src.text[i], cnew, 0); -#else - XawTextSetSource(XtParent(cnew), cnew, 0); -#endif - total_reset = True; - } - - if (old_src->multi_src.multi_length != src->multi_src.multi_length) - src->multi_src.piece_size = src->multi_src.multi_length + 1; - - if ( !total_reset && old_src->multi_src.piece_size - != src->multi_src.piece_size) { - String mb_string = StorePiecesInString(old_src); - - if (mb_string != 0) { - FreeAllPieces(old_src); - LoadPieces(src, NULL, mb_string); - XtFree(mb_string); - } - else { - /* If the buffer holds bad chars, don't touch it... */ - XtAppWarningMsg(app_con, - "convertError", "multiSource", "XawError", - XtName(XtParent((Widget)old_src)), NULL, NULL); - XtAppWarningMsg(app_con, - "convertError", "multiSource", "XawError", - "Non-character code(s) in buffer.", NULL, NULL); - } - } - - return (False); -} - -static void -XawMultiSrcGetValuesHook(Widget w, ArgList args, Cardinal *num_args) -{ - MultiSrcObject src = (MultiSrcObject)w; - unsigned int i; - - if (src->multi_src.type == XawAsciiString) { - for (i = 0; i < *num_args ; i++) { - if (streq(args[i].name, XtNstring)) { - if (src->multi_src.use_string_in_place) - *((char **)args[i].value) = (char *) - src->multi_src.first_piece->text; - else if (_XawMultiSave(w)) /* If save sucessful */ - *((char **)args[i].value) = (char *)src->multi_src.string; - break; - } - } - } -} - -static void -XawMultiSrcDestroy(Widget w) -{ - RemoveOldStringOrFile((MultiSrcObject) w, True); -} - -/* - * Public routines - */ -/* - * Function: - * XawMultiSourceFreeString - * - * Parameters: - * w - MultiSrc widget - * - * Description: - * Frees the string returned by a get values call - * on the string when the source is of type string. - * - * Note: - * The public interface is XawAsciiSourceFreeString! - */ -void -_XawMultiSourceFreeString(Widget w) -{ - MultiSrcObject src = (MultiSrcObject)w; - - if (src->multi_src.allocated_string) { - XtFree((char *)src->multi_src.string); - src->multi_src.allocated_string = False; - src->multi_src.string = NULL; - } -} - -/* - * Function: - * _XawMultiSave - * - * Parameters: - * w - multiSrc Widget - * - * Description: - * Saves all the pieces into a file or string as required. - * - * Returns: - * True if the save was successful - * - * Note: - * The public interface is XawAsciiSave(w)! - */ -Bool -_XawMultiSave(Widget w) -{ - MultiSrcObject src = (MultiSrcObject)w; - XtAppContext app_con = XtWidgetToApplicationContext(w); - char *mb_string; - - /* - * If using the string in place then there is no need to play games - * to get the internal info into a readable string - */ - if (src->multi_src.use_string_in_place) - return (True); - - if (src->multi_src.type == XawAsciiFile) { -#ifdef OLDXAW - if (!src->multi_src.changes) -#else - if (!src->text_src.changed) /* No changes to save */ -#endif - return (True); - - mb_string = StorePiecesInString(src); - - if (mb_string != 0) { - if (WriteToFile(mb_string, (String)src->multi_src.string) == False) { - XtFree(mb_string); - return (False); - } - XtFree(mb_string); -#ifndef OLDXAW - src->text_src.changed = False; -#else - src->multi_src.changes = False; -#endif - return (True); - } - else { - /* If the buffer holds bad chars, don't touch it... */ - XtAppWarningMsg(app_con, - "convertError", "multiSource", "XawError", - "Due to illegal characters, file not saved.", - NULL, NULL); - return (False); - } - } - else { - /* THIS FUNCTIONALITY IS UNDOCUMENTED, probably UNNEEDED? The manual - says this routine's only function is to save files to - disk. -Sheeran */ - mb_string = StorePiecesInString(src); - - if (mb_string == 0) { - /* If the buffer holds bad chars, don't touch it... */ - XtAppWarningMsg(app_con, - "convertError", "multiSource", "XawError", - XtName(XtParent((Widget)src)), NULL, NULL); - return (False); - } - - /* assert: mb_string holds good characters so the buffer is fine */ - if (src->multi_src.allocated_string == True) - XtFree((char *)src->multi_src.string); - else - src->multi_src.allocated_string = True; - - src->multi_src.string = mb_string; - } -#ifdef OLDXAW - src->multi_src.changes = False; -#else - src->text_src.changed = False; -#endif - - return (True); -} - -/* - * Function: - * XawMultiSaveAsFile - * - * Parameters: - * w - MultiSrc widget - * name - name of the file to save this file into - * - * Description: - * Save the current buffer as a file. - * - * Returns: - * True if the save was sucessful - * - * Note: - * The public interface is XawAsciiSaveAsFile! - */ -Bool -_XawMultiSaveAsFile(Widget w, _Xconst char* name) -{ - MultiSrcObject src = (MultiSrcObject)w; - String mb_string; - Bool ret; - - mb_string = StorePiecesInString(src); - - if (mb_string != 0) { - ret = WriteToFile(mb_string, (char *)name); - XtFree(mb_string); - - return (ret); - } - - /* otherwise there was a conversion error. So print widget name too */ - XtAppWarningMsg(XtWidgetToApplicationContext(w), - "convertError", "multiSource", "XawError", - XtName(XtParent(w)), NULL, NULL); - - return (False); -} - -/* - * Private Functions - */ -static void -RemoveOldStringOrFile(MultiSrcObject src, Bool checkString) -{ - FreeAllPieces(src); - - if (checkString && src->multi_src.allocated_string) { - XtFree((char *)src->multi_src.string); - src->multi_src.allocated_string = False; - src->multi_src.string = NULL; - } -} - -/* - * Function: - * WriteToFile - * - * Parameters: - * string - string to write - * name - name of the file - * - * Description: - * Write the string specified to the begining of the file specified. - * - * Returns: - * Returns True if sucessful, False otherwise - */ -static Bool -WriteToFile(String string, String name) -{ - int fd; - - if (((fd = creat(name, 0666)) == -1) - || (write(fd, string, strlen(string)) == -1)) - return (False); - - if (close(fd) == -1) - return (False); - - return (True); -} - - -/* - * Function: - * StorePiecesInString - * - * Parameters: - * src - the multiSrc object to gather data from - * - * Description: - * Store the pieces in memory into a char string. - * - * Returns: - * mb_string: Caller must free - * (or) - * NULL: conversion error - */ -static String -StorePiecesInString(MultiSrcObject src) -{ - wchar_t *wc_string; - char *mb_string; - int char_count = src->multi_src.length; - XawTextPosition first; - MultiPiece *piece; - - /* I believe the char_count + 1 and the NULL termination are unneeded! FS */ - wc_string = (wchar_t*)XtMalloc((char_count + 1) * sizeof(wchar_t)); - - for (first = 0, piece = src->multi_src.first_piece ; piece != NULL; - first += piece->used, piece = piece->next) - (void)wcsncpy(wc_string + first, piece->text, piece->used); - - wc_string[char_count] = 0; - - /* This will refill all pieces to capacity */ - if (src->multi_src.data_compression) { - FreeAllPieces(src); - LoadPieces(src, NULL, (char *)wc_string); - } - - /* Lastly, convert it to a MB format and send it back */ - mb_string = _XawTextWCToMB(XtDisplayOfObject((Widget)src), - wc_string, &char_count); - - /* NOTE THAT mb_string MAY BE ZERO IF THE CONVERSION FAILED */ - XtFree((char*)wc_string); - - return (mb_string); -} - -/* - * Function: - * InitStringOrFile - * - * Parameters: - * src - MultiSource - * - * Description: - * Initializes the string or file. - */ -static FILE * -InitStringOrFile(MultiSrcObject src, Bool newString) -{ - mode_t open_mode = 0; - const char *fdopen_mode = NULL; - int fd; - FILE *file; - Display *d = XtDisplayOfObject((Widget)src); - - if (src->multi_src.type == XawAsciiString) { - if (src->multi_src.string == NULL) - src->multi_src.length = 0; - - else if (!src->multi_src.use_string_in_place) { - int length; - String temp = XtNewString((char *)src->multi_src.string); - - if (src->multi_src.allocated_string) - XtFree((char *)src->multi_src.string); - src->multi_src.allocated_string = True; - src->multi_src.string = temp; - - length = strlen((char *)src->multi_src.string); - - /* Wasteful, throwing away the WC string, but need side effect! */ - (void)_XawTextMBToWC(d, (char *)src->multi_src.string, &length); - src->multi_src.length = (XawTextPosition)length; - } - else { - src->multi_src.length = strlen((char *)src->multi_src.string); - /* In case the length resource is incorrectly set */ - if (src->multi_src.length > src->multi_src.multi_length) - src->multi_src.multi_length = src->multi_src.length; - - if (src->multi_src.multi_length == MAGIC_VALUE) - src->multi_src.piece_size = src->multi_src.length; - else - src->multi_src.piece_size = src->multi_src.multi_length + 1; - } - - return (NULL); - } - - /* - * type is XawAsciiFile - */ - src->multi_src.is_tempfile = False; - - switch (src->text_src.edit_mode) { - case XawtextRead: - if (src->multi_src.string == NULL) - XtErrorMsg("NoFile", "multiSourceCreate", "XawError", - "Creating a read only disk widget and no file specified.", - NULL, 0); - open_mode = O_RDONLY; - fdopen_mode = "r"; - break; - case XawtextAppend: - case XawtextEdit: - if (src->multi_src.string == NULL) { - src->multi_src.string = "*multi-src*"; - src->multi_src.is_tempfile = True; - } - else { -/* O_NOFOLLOW is a BSD & Linux extension */ -#ifdef O_NOFOLLOW - open_mode = O_RDWR | O_NOFOLLOW; -#else - open_mode = O_RDWR; /* unsafe; subject to race conditions */ -#endif - fdopen_mode = "r+"; - } - break; - default: - XtErrorMsg("badMode", "multiSourceCreate", "XawError", - "Bad editMode for multi source; must be " - "Read, Append or Edit.", NULL, NULL); - } - - /* If is_tempfile, allocate a private copy of the text - * Unlikely to be changed, just to set allocated_string */ - if (newString || src->multi_src.is_tempfile) { - String temp = XtNewString((char *)src->multi_src.string); - - if (src->multi_src.allocated_string) - XtFree((char *)src->multi_src.string); - src->multi_src.string = temp; - src->multi_src.allocated_string = True; - } - - if (!src->multi_src.is_tempfile) { - if ((fd = open((char *)src->multi_src.string, open_mode, 0666)) != -1) { - if ((file = fdopen(fd, fdopen_mode)) != NULL) { - (void)fseek(file, 0, SEEK_END); - src->multi_src.length = (XawTextPosition)ftell(file); - return(file); - } - } - { - String params[2]; - Cardinal num_params = 2; - - params[0] = (String)src->multi_src.string; - params[1] = strerror(errno); - XtAppWarningMsg(XtWidgetToApplicationContext((Widget)src), - "openError", "multiSourceCreate", "XawWarning", - "Cannot open file %s; %s", params, &num_params); - } - } - src->multi_src.length = 0; - return (NULL); -} - -/* LoadPieces: This routine takes either the MB contents of open file - `file' or the MB contents of string or the MB contents of - src->multi_src.string and places them in Pieces in WC format. - - CAUTION: You must have src->multi_src.length set to file length bytes - when src->multi_src.type == XawAsciiFile. src->multi_src.length must be - the length of the parameter string if string is non-NULL -*/ -static void -LoadPieces(MultiSrcObject src, FILE *file, char *string) -{ - Display *d = XtDisplayOfObject((Widget)src); - wchar_t* local_str, *ptr; - MultiPiece* piece = NULL; - XawTextPosition left; - int bytes = sizeof(wchar_t); - char* temp_mb_holder = NULL; - - /* - * This is tricky - the _XawTextMBtoWC converter uses its 3rd arg - * in as MB length, out as WC length. We want local_length to be - * WC count. - */ - int local_length = src->multi_src.length; - - if (string != NULL) { - /* - * ASSERT: IF our caller passed a non-null string, THEN - * src->multi_src.length is currently string's * byte count, - * AND string is in a MB format - */ - local_str = _XawTextMBToWC(d, (char *)string, &local_length); - src->multi_src.length = (XawTextPosition) local_length; - } - else if (src->multi_src.type != XawAsciiFile) { - /* - * here, we are not changing the contents, just reloading, - * so don't change len... - */ - local_length = src->multi_src.string ? - strlen((char *)src->multi_src.string) : 0; - local_str = _XawTextMBToWC(d, (char *)src->multi_src.string, - &local_length); - } - else { - if (src->multi_src.length != 0) { - temp_mb_holder = - XtMalloc((src->multi_src.length + 1) * sizeof(unsigned char)); - fseek(file, 0, 0); - src->multi_src.length = fread(temp_mb_holder, - (Size_t)sizeof(unsigned char), - (Size_t)src->multi_src.length, file); - if (src->multi_src.length <= 0) - XtAppErrorMsg(XtWidgetToApplicationContext ((Widget) src), - "readError", "multiSource", "XawError", - "fread returned error.", NULL, NULL); - local_length = src->multi_src.length; - local_str = _XawTextMBToWC(d, temp_mb_holder, &local_length); - src->multi_src.length = local_length; - - if (local_str == 0) { - String params[2]; - Cardinal num_params; - static char err_text[] = - "<<< FILE CONTENTS NOT REPRESENTABLE IN THIS LOCALE >>>"; - - params[0] = XtName(XtParent((Widget)src)); - params[1] = src->multi_src.string; - num_params = 2; - - XtAppWarningMsg(XtWidgetToApplicationContext((Widget)src), - "readLocaleError", "multiSource", "XawError", - "%s: The file `%s' contains characters " - "not representable in this locale.", - params, &num_params); - src->multi_src.length = sizeof err_text; - local_length = src->multi_src.length; - local_str = _XawTextMBToWC(d, err_text, &local_length); - src->multi_src.length = local_length; - } - } - else - /* ASSERT that since following while loop looks at local_length - this isn't needed. Sheeran, Omron KK, 1993/07/15 - temp_mb_holder[src->multi_src.length] = '\0'; */ - local_str = (wchar_t*)temp_mb_holder; - } - - if (src->multi_src.use_string_in_place) { - piece = AllocNewPiece(src, piece); - piece->used = Min(src->multi_src.length, src->multi_src.piece_size); - piece->text = (wchar_t*)src->multi_src.string; - return; - } - - ptr = local_str; - left = local_length; - - do { - piece = AllocNewPiece(src, piece); - - piece->text = (wchar_t*)XtMalloc((unsigned)(src->multi_src.piece_size - * bytes)); - piece->used = Min(left, src->multi_src.piece_size); - if (piece->used != 0) - (void)wcsncpy(piece->text, ptr, piece->used); - - left -= piece->used; - ptr += piece->used; - } while (left > 0); - - if (temp_mb_holder) - XtFree((char*)temp_mb_holder); -} - -/* - * Function: - * AllocNewPiece - * - * Parameters: - * src - MultiSrc Widget - * prev - the piece just before this one, or NULL - * - * Description: - * Allocates a new piece of memory. - * - * Returns: - * The allocated piece - */ -static MultiPiece * -AllocNewPiece(MultiSrcObject src, MultiPiece *prev) -{ - MultiPiece *piece = XtNew(MultiPiece); - - if (prev == NULL) { - src->multi_src.first_piece = piece; - piece->next = NULL; - } - else { - if (prev->next != NULL) - (prev->next)->prev = piece; - piece->next = prev->next; - prev->next = piece; - } - - piece->prev = prev; - - return (piece); -} - -/* - * Function: - * FreeAllPieces - * - * Parameters: - * src - MultiSrc Widget - * - * Description: - * Frees all the pieces - */ -static void -FreeAllPieces(MultiSrcObject src) -{ - MultiPiece *next, *first = src->multi_src.first_piece; - -#ifdef DEBUG - if (first->prev != NULL) - printf("Xaw MultiSrc Object: possible memory leak in FreeAllPieces().\n"); -#endif - - for (; first != NULL ; first = next) { - next = first->next; - RemovePiece(src, first); - } -} - -/* - * Function: - * RemovePiece - * - * Parameters: - * piece - piece to remove - * - * Description: - * Removes a piece from the list. - */ -static void -RemovePiece(MultiSrcObject src, MultiPiece *piece) -{ - if (piece->prev == NULL) - src->multi_src.first_piece = piece->next; - else - piece->prev->next = piece->next; - - if (piece->next != NULL) - piece->next->prev = piece->prev; - - if (!src->multi_src.use_string_in_place) - XtFree((char *)piece->text); - - XtFree((char *)piece); -} - -/* - * Function: - * FindPiece - * - * Parameters: - * src - MultiSrc Widget - * position - position that we are searching for - * first - position of the first character in this piece (return) - * - * Description: - * Finds the piece containing the position indicated. - * - * Returns: - * Piece that contains this position - */ -static MultiPiece * -FindPiece(MultiSrcObject src, XawTextPosition position, XawTextPosition *first) -{ - MultiPiece *old_piece, *piece; - XawTextPosition temp; - - for (old_piece = NULL, piece = src->multi_src.first_piece, temp = 0; - piece; old_piece = piece, piece = piece->next) - if ((temp += piece->used) > position) { - *first = temp - piece->used; - return (piece); - } - - *first = temp - (old_piece ? old_piece->used : 0); - - return (old_piece); /* if we run off the end the return the last piece */ -} - -/* - * Function: - * BreakPiece - * - * Parameters: - * src - MultiSrc Widget - * piece - piece to break - * - * Description: - * Breaks a full piece into two new pieces. - */ -#define HALF_PIECE (src->multi_src.piece_size >> 1) -static void -BreakPiece(MultiSrcObject src, MultiPiece *piece) -{ - MultiPiece *cnew = AllocNewPiece(src, piece); - - cnew->text = (wchar_t *) - XtMalloc(src->multi_src.piece_size * sizeof(wchar_t)); - (void)wcsncpy(cnew->text, piece->text + HALF_PIECE, - src->multi_src.piece_size - HALF_PIECE); - piece->used = HALF_PIECE; - cnew->used = src->multi_src.piece_size - HALF_PIECE; -} - -/*ARGSUSED*/ -static void -CvtStringToMultiType(XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal) -{ - static XawAsciiType type = XawAsciiString; - XrmQuark q; - char name[7]; - - XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name)); - q = XrmStringToQuark(name); - - if (q == Qstring) - type = XawAsciiString; - if (q == Qfile) - type = XawAsciiFile; - else { - toVal->size = 0; - toVal->addr = NULL; - XtStringConversionWarning((char *)fromVal->addr, XtRAsciiType); - } - - toVal->size = sizeof(XawAsciiType); - toVal->addr = (XPointer)&type; -} - -/*ARGSUSED*/ -static Boolean -CvtMultiTypeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal, - XtPointer *data) -{ - static String buffer; - Cardinal size; - - switch (*(XawAsciiType *)fromVal->addr) { - case XawAsciiFile: - buffer = XtEfile; - break; - case XawAsciiString: - buffer = XtEstring; - break; - default: - XawTypeToStringWarning(dpy, XtRAsciiType); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -/*ARGSUSED*/ -static void -GetDefaultPieceSize(Widget w, int offset, XrmValue *value) -{ - static XPointer pagesize; - - if (pagesize == 0) { - pagesize = (XPointer)((long)_XawGetPageSize()); - if (pagesize < (XPointer)BUFSIZ) - pagesize = (XPointer)BUFSIZ; - } - - value->addr = (XPointer)&pagesize; -} +/*
+ * Copyright 1991 by OMRON Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name OMRON not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. OMRON makes no representations
+ * about the suitability of this software for any purpose. It is provided
+ * "as is" without express or implied warranty.
+ *
+ * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors: Chris Peterson MIT X Consortium
+ * Li Yuhong OMRON Corporation
+ * Frank Sheeran OMRON Corporation
+ *
+ * Much code taken from X11R3 String and Disk Sources.
+ */
+
+/*
+
+Copyright 1991, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xos.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/Xaw/MultiSrcP.h>
+#include <X11/Xaw/XawImP.h>
+#include "XawI18n.h"
+#include "Private.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define MAGIC_VALUE ((XawTextPosition)-1)
+#define streq(a, b) (strcmp((a), (b)) == 0)
+
+#ifdef X_NOT_POSIX
+#define Off_t long
+#define Size_t unsigned int
+#else
+#define Off_t off_t
+#define Size_t size_t
+#endif
+
+
+/*
+ * Class Methods
+ */
+static XawTextPosition ReadText(Widget, XawTextPosition, XawTextBlock*, int);
+static int ReplaceText(Widget, XawTextPosition, XawTextPosition,
+ XawTextBlock*);
+static XawTextPosition Scan(Widget, XawTextPosition, XawTextScanType,
+ XawTextScanDirection, int, Bool);
+static XawTextPosition Search(Widget, XawTextPosition, XawTextScanDirection,
+ XawTextBlock*);
+static void XawMultiSrcClassInitialize(void);
+static void XawMultiSrcDestroy(Widget);
+static void XawMultiSrcInitialize(Widget, Widget, ArgList, Cardinal*);
+static Boolean XawMultiSrcSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static void XawMultiSrcGetValuesHook(Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static MultiPiece *AllocNewPiece(MultiSrcObject, MultiPiece*);
+static void BreakPiece(MultiSrcObject, MultiPiece*);
+static Boolean CvtMultiTypeToString(Display*, XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr, XtPointer*);
+static void CvtStringToMultiType(XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr);
+static MultiPiece *FindPiece(MultiSrcObject, XawTextPosition,
+ XawTextPosition*);
+static void FreeAllPieces(MultiSrcObject);
+static FILE *InitStringOrFile(MultiSrcObject, Bool);
+static void LoadPieces(MultiSrcObject, FILE*, char*);
+static void RemovePiece(MultiSrcObject, MultiPiece*);
+static void RemoveOldStringOrFile(MultiSrcObject, Bool);
+static String StorePiecesInString(MultiSrcObject);
+static Bool WriteToFile(String, String);
+static void GetDefaultPieceSize(Widget, int, XrmValue*);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(MultiSrcRec, multi_src.field)
+static XtResource resources[] = {
+ {
+ XtNstring,
+ XtCString,
+ XtRString,
+ sizeof(XtPointer),
+ offset(string),
+ XtRPointer,
+ NULL
+ },
+ {
+ XtNtype,
+ XtCType,
+ XtRMultiType,
+ sizeof(XawAsciiType),
+ offset(type),
+ XtRImmediate,
+ (XtPointer)XawAsciiString
+ },
+ {
+ XtNdataCompression,
+ XtCDataCompression,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(data_compression),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNpieceSize,
+ XtCPieceSize,
+ XtRInt,
+ sizeof(XawTextPosition),
+ offset(piece_size),
+ XtRCallProc,
+ (XtPointer)GetDefaultPieceSize
+ },
+#ifdef OLDXAW
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(callback),
+ XtRCallback,
+ (XtPointer)NULL
+ },
+#endif
+ {
+ XtNuseStringInPlace,
+ XtCUseStringInPlace,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(use_string_in_place),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNlength,
+ XtCLength,
+ XtRInt,
+ sizeof(int),
+ offset(multi_length),
+ XtRImmediate,
+ (XtPointer)MAGIC_VALUE
+ },
+};
+#undef offset
+
+#define superclass (&textSrcClassRec)
+MultiSrcClassRec multiSrcClassRec = {
+ /* object */
+ {
+ (WidgetClass)superclass, /* superclass */
+ "MultiSrc", /* class_name */
+ sizeof(MultiSrcRec), /* widget_size */
+ XawMultiSrcClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawMultiSrcInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* obj1 */
+ NULL, /* obj2 */
+ 0, /* obj3 */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* obj4 */
+ False, /* obj5 */
+ False, /* obj6 */
+ False, /* obj7 */
+ XawMultiSrcDestroy, /* destroy */
+ NULL, /* obj8 */
+ NULL, /* obj9 */
+ XawMultiSrcSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* obj10 */
+ XawMultiSrcGetValuesHook, /* get_values_hook */
+ NULL, /* obj11 */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* obj12 */
+ NULL, /* obj13 */
+ NULL, /* obj14 */
+ NULL, /* extension */
+ },
+ /* text_src */
+ {
+ ReadText, /* Read */
+ ReplaceText, /* Replace */
+ Scan, /* Scan */
+ Search, /* Search */
+ XtInheritSetSelection, /* SetSelection */
+ XtInheritConvertSelection, /* ConvertSelection */
+ },
+ /* multi_src */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass multiSrcObjectClass = (WidgetClass)&multiSrcClassRec;
+
+static XrmQuark Qstring, Qfile;
+
+/*
+ * Implementation
+ */
+static void
+XawMultiSrcClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ Qstring = XrmPermStringToQuark(XtEstring);
+ Qfile = XrmPermStringToQuark(XtEfile);
+ XtAddConverter(XtRString, XtRMultiType, CvtStringToMultiType, NULL, 0);
+ XtSetTypeConverter(XtRMultiType, XtRString, CvtMultiTypeToString, NULL, 0,
+ XtCacheNone, NULL);
+}
+
+/*
+ * Function:
+ * XawMultiSrcInitialize
+ *
+ * Parameters:
+ * request - widget requested by the argument list
+ * cnew - the new widget with both resource and non resource values
+ * args - (unused)
+ * num_args - (unused)
+ *
+ * Description:
+ * Initializes the multi src object
+ */
+/*ARGSUSED*/
+static void
+XawMultiSrcInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MultiSrcObject src = (MultiSrcObject)cnew;
+ FILE *file;
+
+ /*
+ * Set correct flags (override resources) depending upon widget class
+ */
+#ifdef OLDXAW
+ src->multi_src.changes = False;
+#else
+ src->text_src.changed = False;
+#endif
+ src->multi_src.allocated_string = False;
+
+ if (src->multi_src.use_string_in_place && src->multi_src.string == NULL)
+ src->multi_src.use_string_in_place = False;
+
+ file = InitStringOrFile(src, src->multi_src.type == XawAsciiFile);
+ LoadPieces(src, file, NULL);
+
+ if (file != NULL)
+ fclose(file);
+ src->text_src.text_format = XawFmtWide;
+}
+
+/*
+ * Function:
+ * ReadText
+ *
+ * Parameters:
+ * w - MultiSource object
+ * pos - position of the text to retrieve
+ * text - text block that will contain returned text
+ * length - maximum number of characters to read
+ *
+ * Description:
+ * This function reads the source.
+ *
+ * Returns:
+ * The character position following the retrieved text.
+ */
+static XawTextPosition
+ReadText(Widget w, XawTextPosition pos, XawTextBlock *text, int length)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ XawTextPosition count, start;
+ MultiPiece *piece = FindPiece(src, pos, &start);
+
+ text->format = XawFmtWide;
+ text->firstPos = pos;
+ text->ptr = (char *)(piece->text + (pos - start));
+ count = piece->used - (pos - start);
+ text->length = Max(0, (length > count) ? count : length);
+
+ return (pos + text->length);
+}
+
+/*
+ * Function:
+ * ReplaceText
+ *
+ * Parameters:
+ * w - MultiSource object
+ * startPos - ends of text that will be removed
+ * endPos - ""
+ * text - new text to be inserted into buffer at startPos
+ *
+ * Description:
+ * Replaces a block of text with new text.
+ *
+ * Returns:
+ * XawEditDone on success, XawEditError otherwise
+ */
+/*ARGSUSED*/
+static int
+ReplaceText(Widget w, XawTextPosition startPos, XawTextPosition endPos,
+ XawTextBlock *u_text_p)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ MultiPiece *start_piece, *end_piece, *temp_piece;
+ XawTextPosition start_first, end_first;
+ int length, firstPos;
+ wchar_t *wptr;
+ Bool local_artificial_block = False;
+ XawTextBlock text;
+
+ /* STEP 1: The user handed me a text block called `u_text' that may be
+ * in either FMTWIDE or FMT8BIT (ie MB.) Later code needs the block
+ * `text' to hold FMTWIDE. So, this copies `u_text' to `text', and if
+ * `u_text' was MB, I knock it up to WIDE
+ */
+ if (u_text_p->length == 0) /* if so, the block contents never ref'd */
+ text.length = 0;
+
+ else if (u_text_p->format == XawFmtWide) {
+ local_artificial_block = False; /* don't have to free it ourselves */
+ text.firstPos = u_text_p->firstPos;
+ text.length = u_text_p->length;
+ text.ptr = u_text_p->ptr;
+ }
+ else {
+ /*
+ * WARNING! u_text->firstPos and length are in units of CHAR,
+ * not CHARACTERS!
+ */
+ local_artificial_block = True; /* have to free it ourselves */
+ text.firstPos = 0;
+ text.length = u_text_p->length; /* _XawTextMBToWC converts this
+ * to wchar len
+ */
+
+ text.ptr = (char*)_XawTextMBToWC(XtDisplay(XtParent(w)),
+ &u_text_p->ptr[u_text_p->firstPos],
+ &text.length);
+
+ /* I assert the following assignment is not needed - since Step 4
+ depends on length, it has no need of a terminating NULL. I think
+ the ASCII-version has the same needless NULL. */
+ /*((wchar_t*)text.ptr)[ text.length ] = NULL;*/
+ }
+
+ /* STEP 2: some initialization... */
+ if (src->text_src.edit_mode == XawtextRead)
+ return (XawEditError);
+
+ start_piece = FindPiece(src, startPos, &start_first);
+ end_piece = FindPiece(src, endPos, &end_first);
+
+ /* STEP 3: remove the empty pieces... */
+ if (start_piece != end_piece) {
+ temp_piece = start_piece->next;
+
+ /* If empty and not the only piece then remove it */
+ if (((start_piece->used = startPos - start_first) == 0)
+ && !(start_piece->next == NULL && start_piece->prev == NULL))
+ RemovePiece(src, start_piece);
+
+ while (temp_piece != end_piece) {
+ temp_piece = temp_piece->next;
+ RemovePiece(src, temp_piece->prev);
+ }
+ end_piece->used -= endPos - end_first;
+ if (end_piece->used != 0)
+ memmove(end_piece->text, end_piece->text + endPos - end_first,
+ end_piece->used * sizeof(wchar_t));
+ }
+ else { /* We are fully in one piece */
+ if ((start_piece->used -= endPos - startPos) == 0) {
+ if (!(start_piece->next == NULL && start_piece->prev == NULL))
+ RemovePiece(src, start_piece);
+ }
+ else {
+ memmove(start_piece->text + (startPos - start_first),
+ start_piece->text + (endPos - start_first),
+ (start_piece->used - (startPos - start_first)) *
+ sizeof(wchar_t));
+ if (src->multi_src.use_string_in_place &&
+ ((src->multi_src.length - (endPos - startPos))
+ < src->multi_src.piece_size - 1))
+ start_piece->text[src->multi_src.length - (endPos - startPos)] =
+ (wchar_t)0;
+ }
+ }
+
+ src->multi_src.length += text.length -(endPos - startPos);
+
+ /* STEP 4: insert the new stuff */
+ if ( text.length != 0) {
+ start_piece = FindPiece(src, startPos, &start_first);
+ length = text.length;
+ firstPos = text.firstPos;
+
+ while (length > 0) {
+ wchar_t *ptr;
+ int fill;
+
+ if (src->multi_src.use_string_in_place) {
+ if (start_piece->used == src->multi_src.piece_size - 1) {
+
+ /*
+ * The string is used in place, then the string
+ * is not allowed to grow
+ */
+ start_piece->used = src->multi_src.length =
+ src->multi_src.piece_size - 1;
+
+ start_piece->text[src->multi_src.length] = (wchar_t)0;
+ return (XawEditError);
+ }
+ }
+
+ if (start_piece->used == src->multi_src.piece_size) {
+ BreakPiece(src, start_piece);
+ start_piece = FindPiece(src, startPos, &start_first);
+ }
+
+ fill = Min((int)(src->multi_src.piece_size - start_piece->used), length);
+
+ ptr = start_piece->text + (startPos - start_first);
+ memmove(ptr + fill, ptr, (start_piece->used -
+ (startPos - start_first)) * sizeof(wchar_t));
+ wptr =(wchar_t *)text.ptr;
+ (void)wcsncpy(ptr, wptr + firstPos, fill);
+
+ startPos += fill;
+ firstPos += fill;
+ start_piece->used += fill;
+ length -= fill;
+ }
+ }
+
+ if (local_artificial_block == True)
+ /* In other words, text is not the u_text that the user handed me but
+ one I made myself. I only care, because I need to free the string */
+ XtFree(text.ptr);
+
+ if (src->multi_src.use_string_in_place)
+ start_piece->text[start_piece->used] = (wchar_t)0;
+
+#ifdef OLDXAW
+ src->multi_src.changes = True;
+ XtCallCallbacks(w, XtNcallback, NULL);
+#endif
+
+ return (XawEditDone);
+}
+
+/*
+ * Function:
+ * Scan
+ *
+ * Parameters:
+ * w - MultiSource widget
+ * position - position to start scanning
+ * type - type of thing to scan for
+ * dir - direction to scan
+ * count - which occurance if this thing to search for
+ * include - whether or not to include the character found in
+ * the position that is returned
+ *
+ * Description:
+ * Scans the text source for the number and type of item specified.
+ *
+ * Returns:
+ * The position of the item found
+ *
+ * Note:
+ * While there are only 'n' characters in the file there are n+1
+ * possible cursor positions (one before the first character and
+ * one after the last character
+ */
+static XawTextPosition
+Scan(Widget w, register XawTextPosition position, XawTextScanType type,
+ XawTextScanDirection dir, int count, Bool include)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ register char inc;
+ MultiPiece *piece;
+ XawTextPosition first, first_eol_position = position;
+ register wchar_t *ptr;
+ int cnt = count;
+
+ if (type == XawstAll) {
+ if (dir == XawsdRight)
+ return (src->multi_src.length);
+ return (0);
+ }
+
+ /* STEP 1: basic sanity checks */
+ if (position > src->multi_src.length)
+ position = src->multi_src.length;
+
+ if (dir == XawsdRight) {
+ if (position == src->multi_src.length)
+ return (src->multi_src.length);
+ inc = 1;
+ }
+ else {
+ if (position == 0)
+ return (0);
+ inc = -1;
+ position--;
+ }
+
+ piece = FindPiece(src, position, &first);
+
+ if (piece->used == 0)
+ return (0);
+
+ ptr = (position - first) + piece->text;
+
+ switch (type) {
+ case XawstEOL:
+ case XawstParagraph:
+ case XawstWhiteSpace:
+ case XawstAlphaNumeric:
+ for (; cnt > 0 ; cnt--) {
+ Bool non_space = False, first_eol = True;
+
+ /*CONSTCOND*/
+ while (True) {
+ register wchar_t c;
+
+ if (ptr < piece->text) {
+ piece = piece->prev;
+ if (piece == NULL) /* Begining of text */
+ return (0);
+ ptr = piece->text + piece->used - 1;
+ c = *ptr;
+ }
+ else if (ptr >= piece->text + piece->used) {
+ piece = piece->next;
+ if (piece == NULL) /* End of text */
+ return (src->multi_src.length);
+ ptr = piece->text;
+ }
+
+ c = *ptr;
+ ptr += inc;
+ position += inc;
+
+ if (type == XawstAlphaNumeric) {
+ if (!iswalnum(c)) {
+ if (non_space)
+ break;
+ }
+ else
+ non_space = True;
+ }
+ else if (type == XawstWhiteSpace) {
+ if (iswspace(c)) {
+ if (non_space)
+ break;
+ }
+ else
+ non_space = True;
+ }
+ else if (type == XawstEOL) {
+ if (c == _Xaw_atowc(XawLF))
+ break;
+ }
+ else { /* XawstParagraph */
+ if (first_eol) {
+ if (c == _Xaw_atowc(XawLF)) {
+ first_eol_position = position;
+ first_eol = False;
+ }
+ }
+ else
+ if (c == _Xaw_atowc(XawLF))
+ break;
+ else if (!iswspace(c))
+ first_eol = True;
+ }
+ }
+ }
+ if (!include) {
+ if (type == XawstParagraph)
+ position = first_eol_position;
+ if (count)
+ position -= inc;
+ }
+ break;
+ case XawstPositions:
+ position += count * inc;
+ break;
+ default:
+ break;
+ }
+
+ if (dir == XawsdLeft)
+ position++;
+
+ if (position >= src->multi_src.length)
+ return (src->multi_src.length);
+ if (position < 0)
+ return (0);
+
+ return (position);
+}
+
+/*
+ * Function:
+ * Search
+ *
+ * Parameters:
+ * w - MultiSource objecy
+ * position - position to start scanning
+ * dir - direction to scan
+ * text - text block to search for
+ *
+ * Description:
+ * Searchs the text source for the text block passed.
+ *
+ * Returns:
+ * The position of the item found
+ */
+static XawTextPosition
+Search(Widget w, register XawTextPosition position, XawTextScanDirection dir,
+ XawTextBlock *text)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ register int count = 0;
+ wchar_t *ptr;
+ wchar_t *wtarget;
+ int wtarget_len;
+ Display *d = XtDisplay(XtParent(w));
+ MultiPiece *piece;
+ wchar_t *buf;
+ XawTextPosition first;
+ register char inc;
+ int cnt;
+
+ /* STEP 1: First, a brief sanity check */
+ if (dir == XawsdRight)
+ inc = 1;
+ else {
+ inc = -1;
+ if (position == 0)
+ return (XawTextSearchError);
+ position--;
+ }
+
+ /* STEP 2: Ensure I have a local wide string.. */
+
+ /* Since this widget stores 32bit chars, I check here to see if
+ I'm being passed a string claiming to be 8bit chars (ie, MB text.)
+ If that is the case, naturally I convert to 32bit format */
+
+ /*if the block was FMT8BIT, length will convert to REAL wchar count bellow */
+ wtarget_len = text->length;
+
+ if (text->format == XawFmtWide)
+ wtarget = &(((wchar_t*)text->ptr) [text->firstPos]);
+ else {
+ /* The following converts wtarget_len from byte len to wchar count */
+ wtarget = _XawTextMBToWC(d, &text->ptr[text->firstPos], &wtarget_len);
+ }
+
+ /* OK, I can now assert that wtarget holds wide characters, wtarget_len
+ holds an accurate count of those characters, and that firstPos has been
+ effectively factored out of the following computations */
+
+ /* STEP 3: SEARCH! */
+ buf = (wchar_t *)XtMalloc(sizeof(wchar_t) * wtarget_len);
+ (void)wcsncpy(buf, wtarget, wtarget_len);
+ piece = FindPiece(src, position, &first);
+ ptr = (position - first) + piece->text;
+
+ /*CONSTCOND*/
+ while (True) {
+ if (*ptr == (dir == XawsdRight ? *(buf + count)
+ : *(buf + wtarget_len - count - 1))) {
+ if (count == text->length - 1)
+ break;
+ else
+ count++;
+ }
+ else {
+ if (count != 0) {
+ position -=inc * count;
+ ptr -= inc * count;
+ }
+ count = 0;
+ }
+
+ ptr += inc;
+ position += inc;
+
+ while (ptr < piece->text) {
+ cnt = piece->text - ptr;
+
+ piece = piece->prev;
+ if (piece == NULL) { /* Begining of text */
+ XtFree((char *)buf);
+ return (XawTextSearchError);
+ }
+ ptr = piece->text + piece->used - cnt;
+ }
+
+ while (ptr >= piece->text + piece->used) {
+ cnt = ptr - (piece->text + piece->used);
+
+ piece = piece->next;
+ if (piece == NULL) { /* End of text */
+ XtFree((char *)buf);
+ return (XawTextSearchError);
+ }
+ ptr = piece->text + cnt;
+ }
+ }
+
+ XtFree((char *)buf);
+ if (dir == XawsdLeft)
+ return(position);
+
+ return(position - (wtarget_len - 1));
+}
+
+/*
+ * Function:
+ * XawMultiSrcSetValues
+ *
+ * Parameters:
+ * current - current state of the widget
+ * request - what was requested
+ * cnew - what the widget will become
+ * args - representation of resources that have changed
+ * num_args - number of changed resources
+ *
+ * Description:
+ * Sets the values for the MultiSource.
+ *
+ * Returns:
+ * True if redisplay is needed
+ */
+static Boolean
+XawMultiSrcSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MultiSrcObject src = (MultiSrcObject)cnew;
+ MultiSrcObject old_src = (MultiSrcObject)current;
+ XtAppContext app_con = XtWidgetToApplicationContext(cnew);
+ Bool total_reset = False, string_set = False;
+ FILE *file;
+ unsigned int i;
+
+ if (old_src->multi_src.use_string_in_place
+ != src->multi_src.use_string_in_place) {
+ XtAppWarning(app_con,
+ "MultiSrc: The XtNuseStringInPlace resources "
+ "may not be changed.");
+ src->multi_src.use_string_in_place =
+ old_src->multi_src.use_string_in_place;
+ }
+
+ for (i = 0; i < *num_args ; i++)
+ if (streq(args[i].name, XtNstring)) {
+ string_set = True;
+ break;
+ }
+
+ if (string_set || old_src->multi_src.type != src->multi_src.type) {
+ RemoveOldStringOrFile(old_src, string_set);
+ src->multi_src.allocated_string = old_src->multi_src.allocated_string;
+ file = InitStringOrFile(src, string_set);
+
+ LoadPieces(src, file, NULL);
+ if (file != NULL)
+ fclose(file);
+#ifndef OLDXAW
+ for (i = 0; i < src->text_src.num_text; i++)
+ /* Tell text widget what happened */
+ XawTextSetSource(src->text_src.text[i], cnew, 0);
+#else
+ XawTextSetSource(XtParent(cnew), cnew, 0);
+#endif
+ total_reset = True;
+ }
+
+ if (old_src->multi_src.multi_length != src->multi_src.multi_length)
+ src->multi_src.piece_size = src->multi_src.multi_length + 1;
+
+ if ( !total_reset && old_src->multi_src.piece_size
+ != src->multi_src.piece_size) {
+ String mb_string = StorePiecesInString(old_src);
+
+ if (mb_string != 0) {
+ FreeAllPieces(old_src);
+ LoadPieces(src, NULL, mb_string);
+ XtFree(mb_string);
+ }
+ else {
+ /* If the buffer holds bad chars, don't touch it... */
+ XtAppWarningMsg(app_con,
+ "convertError", "multiSource", "XawError",
+ XtName(XtParent((Widget)old_src)), NULL, NULL);
+ XtAppWarningMsg(app_con,
+ "convertError", "multiSource", "XawError",
+ "Non-character code(s) in buffer.", NULL, NULL);
+ }
+ }
+
+ return (False);
+}
+
+static void
+XawMultiSrcGetValuesHook(Widget w, ArgList args, Cardinal *num_args)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ unsigned int i;
+
+ if (src->multi_src.type == XawAsciiString) {
+ for (i = 0; i < *num_args ; i++) {
+ if (streq(args[i].name, XtNstring)) {
+ if (src->multi_src.use_string_in_place)
+ *((char **)args[i].value) = (char *)
+ src->multi_src.first_piece->text;
+ else if (_XawMultiSave(w)) /* If save sucessful */
+ *((char **)args[i].value) = (char *)src->multi_src.string;
+ break;
+ }
+ }
+ }
+}
+
+static void
+XawMultiSrcDestroy(Widget w)
+{
+ RemoveOldStringOrFile((MultiSrcObject) w, True);
+}
+
+/*
+ * Public routines
+ */
+/*
+ * Function:
+ * XawMultiSourceFreeString
+ *
+ * Parameters:
+ * w - MultiSrc widget
+ *
+ * Description:
+ * Frees the string returned by a get values call
+ * on the string when the source is of type string.
+ *
+ * Note:
+ * The public interface is XawAsciiSourceFreeString!
+ */
+void
+_XawMultiSourceFreeString(Widget w)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+
+ if (src->multi_src.allocated_string) {
+ XtFree((char *)src->multi_src.string);
+ src->multi_src.allocated_string = False;
+ src->multi_src.string = NULL;
+ }
+}
+
+/*
+ * Function:
+ * _XawMultiSave
+ *
+ * Parameters:
+ * w - multiSrc Widget
+ *
+ * Description:
+ * Saves all the pieces into a file or string as required.
+ *
+ * Returns:
+ * True if the save was successful
+ *
+ * Note:
+ * The public interface is XawAsciiSave(w)!
+ */
+Bool
+_XawMultiSave(Widget w)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ XtAppContext app_con = XtWidgetToApplicationContext(w);
+ char *mb_string;
+
+ /*
+ * If using the string in place then there is no need to play games
+ * to get the internal info into a readable string
+ */
+ if (src->multi_src.use_string_in_place)
+ return (True);
+
+ if (src->multi_src.type == XawAsciiFile) {
+#ifdef OLDXAW
+ if (!src->multi_src.changes)
+#else
+ if (!src->text_src.changed) /* No changes to save */
+#endif
+ return (True);
+
+ mb_string = StorePiecesInString(src);
+
+ if (mb_string != 0) {
+ if (WriteToFile(mb_string, (String)src->multi_src.string) == False) {
+ XtFree(mb_string);
+ return (False);
+ }
+ XtFree(mb_string);
+#ifndef OLDXAW
+ src->text_src.changed = False;
+#else
+ src->multi_src.changes = False;
+#endif
+ return (True);
+ }
+ else {
+ /* If the buffer holds bad chars, don't touch it... */
+ XtAppWarningMsg(app_con,
+ "convertError", "multiSource", "XawError",
+ "Due to illegal characters, file not saved.",
+ NULL, NULL);
+ return (False);
+ }
+ }
+ else {
+ /* THIS FUNCTIONALITY IS UNDOCUMENTED, probably UNNEEDED? The manual
+ says this routine's only function is to save files to
+ disk. -Sheeran */
+ mb_string = StorePiecesInString(src);
+
+ if (mb_string == 0) {
+ /* If the buffer holds bad chars, don't touch it... */
+ XtAppWarningMsg(app_con,
+ "convertError", "multiSource", "XawError",
+ XtName(XtParent((Widget)src)), NULL, NULL);
+ return (False);
+ }
+
+ /* assert: mb_string holds good characters so the buffer is fine */
+ if (src->multi_src.allocated_string == True)
+ XtFree((char *)src->multi_src.string);
+ else
+ src->multi_src.allocated_string = True;
+
+ src->multi_src.string = mb_string;
+ }
+#ifdef OLDXAW
+ src->multi_src.changes = False;
+#else
+ src->text_src.changed = False;
+#endif
+
+ return (True);
+}
+
+/*
+ * Function:
+ * XawMultiSaveAsFile
+ *
+ * Parameters:
+ * w - MultiSrc widget
+ * name - name of the file to save this file into
+ *
+ * Description:
+ * Save the current buffer as a file.
+ *
+ * Returns:
+ * True if the save was sucessful
+ *
+ * Note:
+ * The public interface is XawAsciiSaveAsFile!
+ */
+Bool
+_XawMultiSaveAsFile(Widget w, _Xconst char* name)
+{
+ MultiSrcObject src = (MultiSrcObject)w;
+ String mb_string;
+ Bool ret;
+
+ mb_string = StorePiecesInString(src);
+
+ if (mb_string != 0) {
+ ret = WriteToFile(mb_string, (char *)name);
+ XtFree(mb_string);
+
+ return (ret);
+ }
+
+ /* otherwise there was a conversion error. So print widget name too */
+ XtAppWarningMsg(XtWidgetToApplicationContext(w),
+ "convertError", "multiSource", "XawError",
+ XtName(XtParent(w)), NULL, NULL);
+
+ return (False);
+}
+
+/*
+ * Private Functions
+ */
+static void
+RemoveOldStringOrFile(MultiSrcObject src, Bool checkString)
+{
+ FreeAllPieces(src);
+
+ if (checkString && src->multi_src.allocated_string) {
+ XtFree((char *)src->multi_src.string);
+ src->multi_src.allocated_string = False;
+ src->multi_src.string = NULL;
+ }
+}
+
+/*
+ * Function:
+ * WriteToFile
+ *
+ * Parameters:
+ * string - string to write
+ * name - name of the file
+ *
+ * Description:
+ * Write the string specified to the begining of the file specified.
+ *
+ * Returns:
+ * Returns True if sucessful, False otherwise
+ */
+static Bool
+WriteToFile(String string, String name)
+{
+ int fd;
+
+ if (((fd = creat(name, 0666)) == -1)
+ || (write(fd, string, strlen(string)) == -1))
+ return (False);
+
+ if (close(fd) == -1)
+ return (False);
+
+ return (True);
+}
+
+
+/*
+ * Function:
+ * StorePiecesInString
+ *
+ * Parameters:
+ * src - the multiSrc object to gather data from
+ *
+ * Description:
+ * Store the pieces in memory into a char string.
+ *
+ * Returns:
+ * mb_string: Caller must free
+ * (or)
+ * NULL: conversion error
+ */
+static String
+StorePiecesInString(MultiSrcObject src)
+{
+ wchar_t *wc_string;
+ char *mb_string;
+ int char_count = src->multi_src.length;
+ XawTextPosition first;
+ MultiPiece *piece;
+
+ /* I believe the char_count + 1 and the NULL termination are unneeded! FS */
+ wc_string = (wchar_t*)XtMalloc((char_count + 1) * sizeof(wchar_t));
+
+ for (first = 0, piece = src->multi_src.first_piece ; piece != NULL;
+ first += piece->used, piece = piece->next)
+ (void)wcsncpy(wc_string + first, piece->text, piece->used);
+
+ wc_string[char_count] = 0;
+
+ /* This will refill all pieces to capacity */
+ if (src->multi_src.data_compression) {
+ FreeAllPieces(src);
+ LoadPieces(src, NULL, (char *)wc_string);
+ }
+
+ /* Lastly, convert it to a MB format and send it back */
+ mb_string = _XawTextWCToMB(XtDisplayOfObject((Widget)src),
+ wc_string, &char_count);
+
+ /* NOTE THAT mb_string MAY BE ZERO IF THE CONVERSION FAILED */
+ XtFree((char*)wc_string);
+
+ return (mb_string);
+}
+
+/*
+ * Function:
+ * InitStringOrFile
+ *
+ * Parameters:
+ * src - MultiSource
+ *
+ * Description:
+ * Initializes the string or file.
+ */
+static FILE *
+InitStringOrFile(MultiSrcObject src, Bool newString)
+{
+ mode_t open_mode = 0;
+ const char *fdopen_mode = NULL;
+ int fd;
+ FILE *file;
+ Display *d = XtDisplayOfObject((Widget)src);
+
+ if (src->multi_src.type == XawAsciiString) {
+ if (src->multi_src.string == NULL)
+ src->multi_src.length = 0;
+
+ else if (!src->multi_src.use_string_in_place) {
+ int length;
+ String temp = XtNewString((char *)src->multi_src.string);
+
+ if (src->multi_src.allocated_string)
+ XtFree((char *)src->multi_src.string);
+ src->multi_src.allocated_string = True;
+ src->multi_src.string = temp;
+
+ length = strlen((char *)src->multi_src.string);
+
+ /* Wasteful, throwing away the WC string, but need side effect! */
+ (void)_XawTextMBToWC(d, (char *)src->multi_src.string, &length);
+ src->multi_src.length = (XawTextPosition)length;
+ }
+ else {
+ src->multi_src.length = strlen((char *)src->multi_src.string);
+ /* In case the length resource is incorrectly set */
+ if (src->multi_src.length > src->multi_src.multi_length)
+ src->multi_src.multi_length = src->multi_src.length;
+
+ if (src->multi_src.multi_length == MAGIC_VALUE)
+ src->multi_src.piece_size = src->multi_src.length;
+ else
+ src->multi_src.piece_size = src->multi_src.multi_length + 1;
+ }
+
+ return (NULL);
+ }
+
+ /*
+ * type is XawAsciiFile
+ */
+ src->multi_src.is_tempfile = False;
+
+ switch (src->text_src.edit_mode) {
+ case XawtextRead:
+ if (src->multi_src.string == NULL)
+ XtErrorMsg("NoFile", "multiSourceCreate", "XawError",
+ "Creating a read only disk widget and no file specified.",
+ NULL, 0);
+ open_mode = O_RDONLY;
+ fdopen_mode = "r";
+ break;
+ case XawtextAppend:
+ case XawtextEdit:
+ if (src->multi_src.string == NULL) {
+ src->multi_src.string = "*multi-src*";
+ src->multi_src.is_tempfile = True;
+ }
+ else {
+/* O_NOFOLLOW is a BSD & Linux extension */
+#ifdef O_NOFOLLOW
+ open_mode = O_RDWR | O_NOFOLLOW;
+#else
+ open_mode = O_RDWR; /* unsafe; subject to race conditions */
+#endif
+ fdopen_mode = "r+";
+ }
+ break;
+ default:
+ XtErrorMsg("badMode", "multiSourceCreate", "XawError",
+ "Bad editMode for multi source; must be "
+ "Read, Append or Edit.", NULL, NULL);
+ }
+
+ /* If is_tempfile, allocate a private copy of the text
+ * Unlikely to be changed, just to set allocated_string */
+ if (newString || src->multi_src.is_tempfile) {
+ String temp = XtNewString((char *)src->multi_src.string);
+
+ if (src->multi_src.allocated_string)
+ XtFree((char *)src->multi_src.string);
+ src->multi_src.string = temp;
+ src->multi_src.allocated_string = True;
+ }
+
+ if (!src->multi_src.is_tempfile) {
+ if ((fd = open((char *)src->multi_src.string, open_mode, 0666)) != -1) {
+ if ((file = fdopen(fd, fdopen_mode)) != NULL) {
+ (void)fseek(file, 0, SEEK_END);
+ src->multi_src.length = (XawTextPosition)ftell(file);
+ return(file);
+ }
+ }
+ {
+ String params[2];
+ Cardinal num_params = 2;
+
+ params[0] = (String)src->multi_src.string;
+ params[1] = strerror(errno);
+ XtAppWarningMsg(XtWidgetToApplicationContext((Widget)src),
+ "openError", "multiSourceCreate", "XawWarning",
+ "Cannot open file %s; %s", params, &num_params);
+ }
+ }
+ src->multi_src.length = 0;
+ return (NULL);
+}
+
+/* LoadPieces: This routine takes either the MB contents of open file
+ `file' or the MB contents of string or the MB contents of
+ src->multi_src.string and places them in Pieces in WC format.
+
+ CAUTION: You must have src->multi_src.length set to file length bytes
+ when src->multi_src.type == XawAsciiFile. src->multi_src.length must be
+ the length of the parameter string if string is non-NULL
+*/
+static void
+LoadPieces(MultiSrcObject src, FILE *file, char *string)
+{
+ Display *d = XtDisplayOfObject((Widget)src);
+ wchar_t* local_str, *ptr;
+ MultiPiece* piece = NULL;
+ XawTextPosition left;
+ int bytes = sizeof(wchar_t);
+ char* temp_mb_holder = NULL;
+
+ /*
+ * This is tricky - the _XawTextMBtoWC converter uses its 3rd arg
+ * in as MB length, out as WC length. We want local_length to be
+ * WC count.
+ */
+ int local_length = src->multi_src.length;
+
+ if (string != NULL) {
+ /*
+ * ASSERT: IF our caller passed a non-null string, THEN
+ * src->multi_src.length is currently string's * byte count,
+ * AND string is in a MB format
+ */
+ local_str = _XawTextMBToWC(d, (char *)string, &local_length);
+ src->multi_src.length = (XawTextPosition) local_length;
+ }
+ else if (src->multi_src.type != XawAsciiFile) {
+ /*
+ * here, we are not changing the contents, just reloading,
+ * so don't change len...
+ */
+ local_length = src->multi_src.string ?
+ strlen((char *)src->multi_src.string) : 0;
+ local_str = _XawTextMBToWC(d, (char *)src->multi_src.string,
+ &local_length);
+ }
+ else {
+ if (src->multi_src.length != 0) {
+ temp_mb_holder =
+ XtMalloc((src->multi_src.length + 1) * sizeof(unsigned char));
+ fseek(file, 0, 0);
+ src->multi_src.length = fread(temp_mb_holder,
+ (Size_t)sizeof(unsigned char),
+ (Size_t)src->multi_src.length, file);
+ if (src->multi_src.length <= 0)
+ XtAppErrorMsg(XtWidgetToApplicationContext ((Widget) src),
+ "readError", "multiSource", "XawError",
+ "fread returned error.", NULL, NULL);
+ local_length = src->multi_src.length;
+ local_str = _XawTextMBToWC(d, temp_mb_holder, &local_length);
+ src->multi_src.length = local_length;
+
+ if (local_str == 0) {
+ String params[2];
+ Cardinal num_params;
+ static char err_text[] =
+ "<<< FILE CONTENTS NOT REPRESENTABLE IN THIS LOCALE >>>";
+
+ params[0] = XtName(XtParent((Widget)src));
+ params[1] = src->multi_src.string;
+ num_params = 2;
+
+ XtAppWarningMsg(XtWidgetToApplicationContext((Widget)src),
+ "readLocaleError", "multiSource", "XawError",
+ "%s: The file `%s' contains characters "
+ "not representable in this locale.",
+ params, &num_params);
+ src->multi_src.length = sizeof err_text;
+ local_length = src->multi_src.length;
+ local_str = _XawTextMBToWC(d, err_text, &local_length);
+ src->multi_src.length = local_length;
+ }
+ }
+ else
+ /* ASSERT that since following while loop looks at local_length
+ this isn't needed. Sheeran, Omron KK, 1993/07/15
+ temp_mb_holder[src->multi_src.length] = '\0'; */
+ local_str = (wchar_t*)temp_mb_holder;
+ }
+
+ if (src->multi_src.use_string_in_place) {
+ piece = AllocNewPiece(src, piece);
+ piece->used = Min(src->multi_src.length, src->multi_src.piece_size);
+ piece->text = (wchar_t*)src->multi_src.string;
+ return;
+ }
+
+ ptr = local_str;
+ left = local_length;
+
+ do {
+ piece = AllocNewPiece(src, piece);
+
+ piece->text = (wchar_t*)XtMalloc((unsigned)(src->multi_src.piece_size
+ * bytes));
+ piece->used = Min(left, src->multi_src.piece_size);
+ if (piece->used != 0)
+ (void)wcsncpy(piece->text, ptr, piece->used);
+
+ left -= piece->used;
+ ptr += piece->used;
+ } while (left > 0);
+
+ if (temp_mb_holder)
+ XtFree((char*)temp_mb_holder);
+}
+
+/*
+ * Function:
+ * AllocNewPiece
+ *
+ * Parameters:
+ * src - MultiSrc Widget
+ * prev - the piece just before this one, or NULL
+ *
+ * Description:
+ * Allocates a new piece of memory.
+ *
+ * Returns:
+ * The allocated piece
+ */
+static MultiPiece *
+AllocNewPiece(MultiSrcObject src, MultiPiece *prev)
+{
+ MultiPiece *piece = XtNew(MultiPiece);
+
+ if (prev == NULL) {
+ src->multi_src.first_piece = piece;
+ piece->next = NULL;
+ }
+ else {
+ if (prev->next != NULL)
+ (prev->next)->prev = piece;
+ piece->next = prev->next;
+ prev->next = piece;
+ }
+
+ piece->prev = prev;
+
+ return (piece);
+}
+
+/*
+ * Function:
+ * FreeAllPieces
+ *
+ * Parameters:
+ * src - MultiSrc Widget
+ *
+ * Description:
+ * Frees all the pieces
+ */
+static void
+FreeAllPieces(MultiSrcObject src)
+{
+ MultiPiece *next, *first = src->multi_src.first_piece;
+
+#ifdef DEBUG
+ if (first->prev != NULL)
+ printf("Xaw MultiSrc Object: possible memory leak in FreeAllPieces().\n");
+#endif
+
+ for (; first != NULL ; first = next) {
+ next = first->next;
+ RemovePiece(src, first);
+ }
+}
+
+/*
+ * Function:
+ * RemovePiece
+ *
+ * Parameters:
+ * piece - piece to remove
+ *
+ * Description:
+ * Removes a piece from the list.
+ */
+static void
+RemovePiece(MultiSrcObject src, MultiPiece *piece)
+{
+ if (piece->prev == NULL)
+ src->multi_src.first_piece = piece->next;
+ else
+ piece->prev->next = piece->next;
+
+ if (piece->next != NULL)
+ piece->next->prev = piece->prev;
+
+ if (!src->multi_src.use_string_in_place)
+ XtFree((char *)piece->text);
+
+ XtFree((char *)piece);
+}
+
+/*
+ * Function:
+ * FindPiece
+ *
+ * Parameters:
+ * src - MultiSrc Widget
+ * position - position that we are searching for
+ * first - position of the first character in this piece (return)
+ *
+ * Description:
+ * Finds the piece containing the position indicated.
+ *
+ * Returns:
+ * Piece that contains this position
+ */
+static MultiPiece *
+FindPiece(MultiSrcObject src, XawTextPosition position, XawTextPosition *first)
+{
+ MultiPiece *old_piece, *piece;
+ XawTextPosition temp;
+
+ for (old_piece = NULL, piece = src->multi_src.first_piece, temp = 0;
+ piece; old_piece = piece, piece = piece->next)
+ if ((temp += piece->used) > position) {
+ *first = temp - piece->used;
+ return (piece);
+ }
+
+ *first = temp - (old_piece ? old_piece->used : 0);
+
+ return (old_piece); /* if we run off the end the return the last piece */
+}
+
+/*
+ * Function:
+ * BreakPiece
+ *
+ * Parameters:
+ * src - MultiSrc Widget
+ * piece - piece to break
+ *
+ * Description:
+ * Breaks a full piece into two new pieces.
+ */
+#define HALF_PIECE (src->multi_src.piece_size >> 1)
+static void
+BreakPiece(MultiSrcObject src, MultiPiece *piece)
+{
+ MultiPiece *cnew = AllocNewPiece(src, piece);
+
+ cnew->text = (wchar_t *)
+ XtMalloc(src->multi_src.piece_size * sizeof(wchar_t));
+ (void)wcsncpy(cnew->text, piece->text + HALF_PIECE,
+ src->multi_src.piece_size - HALF_PIECE);
+ piece->used = HALF_PIECE;
+ cnew->used = src->multi_src.piece_size - HALF_PIECE;
+}
+
+/*ARGSUSED*/
+static void
+CvtStringToMultiType(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static XawAsciiType type = XawAsciiString;
+ XrmQuark q;
+ char name[7];
+
+ XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name));
+ q = XrmStringToQuark(name);
+
+ if (q == Qstring)
+ type = XawAsciiString;
+ if (q == Qfile)
+ type = XawAsciiFile;
+ else {
+ toVal->size = 0;
+ toVal->addr = NULL;
+ XtStringConversionWarning((char *)fromVal->addr, XtRAsciiType);
+ }
+
+ toVal->size = sizeof(XawAsciiType);
+ toVal->addr = (XPointer)&type;
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtMultiTypeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal,
+ XtPointer *data)
+{
+ static String buffer;
+ Cardinal size;
+
+ switch (*(XawAsciiType *)fromVal->addr) {
+ case XawAsciiFile:
+ buffer = XtEfile;
+ break;
+ case XawAsciiString:
+ buffer = XtEstring;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtRAsciiType);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+/*ARGSUSED*/
+static void
+GetDefaultPieceSize(Widget w, int offset, XrmValue *value)
+{
+ static XPointer pagesize;
+
+ if (pagesize == 0) {
+ pagesize = (XPointer)((long)_XawGetPageSize());
+ if (pagesize < (XPointer)BUFSIZ)
+ pagesize = (XPointer)BUFSIZ;
+ }
+
+ value->addr = (XPointer)&pagesize;
+}
diff --git a/libXaw/src/OS.c b/libXaw/src/OS.c index 8bc23ddf6..ce8f0e801 100644 --- a/libXaw/src/OS.c +++ b/libXaw/src/OS.c @@ -1,53 +1,53 @@ -/* Some OS-dependent utility code */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/Xosdefs.h> -#include <X11/IntrinsicP.h> -#include "Private.h" - -#ifndef X_NOT_POSIX -#include <unistd.h> /* for sysconf(), and getpagesize() */ -#endif - -#if defined(linux) -/* kernel header doesn't work with -ansi */ -/* #include <asm/page.h> *//* for PAGE_SIZE */ -#define HAS_SC_PAGESIZE /* _SC_PAGESIZE may be an enum for Linux */ -#endif - -int -_XawGetPageSize(void) -{ - static int pagesize = -1; - - if (pagesize != -1) - return pagesize; - - /* Try each supported method in the preferred order */ - -#if defined(_SC_PAGESIZE) || defined(HAS_SC_PAGESIZE) - pagesize = sysconf(_SC_PAGESIZE); -#endif - -#ifdef _SC_PAGE_SIZE - if (pagesize == -1) - pagesize = sysconf(_SC_PAGE_SIZE); -#endif - -#ifdef HAVE_GETPAGESIZE - if (pagesize == -1) - pagesize = getpagesize(); -#endif - -#ifdef PAGE_SIZE - if (pagesize == -1) - pagesize = PAGE_SIZE; -#endif - - if (pagesize == -1) - pagesize = 0; - - return pagesize; -} +/* Some OS-dependent utility code */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xosdefs.h>
+#include <X11/IntrinsicP.h>
+#include "Private.h"
+
+#ifndef X_NOT_POSIX
+#include <unistd.h> /* for sysconf(), and getpagesize() */
+#endif
+
+#if defined(linux)
+/* kernel header doesn't work with -ansi */
+/* #include <asm/page.h> *//* for PAGE_SIZE */
+#define HAS_SC_PAGESIZE /* _SC_PAGESIZE may be an enum for Linux */
+#endif
+
+int
+_XawGetPageSize(void)
+{
+ static int pagesize = -1;
+
+ if (pagesize != -1)
+ return pagesize;
+
+ /* Try each supported method in the preferred order */
+
+#if defined(_SC_PAGESIZE) || defined(HAS_SC_PAGESIZE)
+ pagesize = sysconf(_SC_PAGESIZE);
+#endif
+
+#ifdef _SC_PAGE_SIZE
+ if (pagesize == -1)
+ pagesize = sysconf(_SC_PAGE_SIZE);
+#endif
+
+#ifdef HAVE_GETPAGESIZE
+ if (pagesize == -1)
+ pagesize = getpagesize();
+#endif
+
+#ifdef PAGE_SIZE
+ if (pagesize == -1)
+ pagesize = PAGE_SIZE;
+#endif
+
+ if (pagesize == -1)
+ pagesize = 0;
+
+ return pagesize;
+}
diff --git a/libXaw/src/Paned.c b/libXaw/src/Paned.c index 84999f717..842ea0e59 100644 --- a/libXaw/src/Paned.c +++ b/libXaw/src/Paned.c @@ -1,2064 +1,2064 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -/* - * Updated and significantly modified from the Athena VPaned Widget. - * - * Date: March 1, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/cursorfont.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/Converters.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/Grip.h> -#include <X11/Xaw/PanedP.h> -#include <X11/Xaw/XawImP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -typedef enum { - UpLeftPane = 'U', - LowRightPane = 'L', - ThisBorderOnly = 'T', - AnyPane = 'A' -} Direction; - -#define NO_INDEX -100 -#define IS_GRIP NULL - -#define PaneInfo(w) ((Pane)(w)->core.constraints) -#define HasGrip(w) (PaneInfo(w)->grip != NULL) -#define IsPane(w) ((w)->core.widget_class != gripWidgetClass) -#define PaneIndex(w) (PaneInfo(w)->position) -#define IsVert(w) ((w)->paned.orientation == XtorientVertical) - -#define ForAllPanes(pw, childP) \ -for ((childP) = (pw)->composite.children; \ - (childP) < (pw)->composite.children + (pw)->paned.num_panes; \ - (childP)++) - -#define ForAllChildren(pw, childP) \ -for ((childP) = (pw)->composite.children; \ - (childP) < (pw)->composite.children + (pw)->composite.num_children; \ - (childP)++) - -#define PaneSize(paned, vertical) \ - ((vertical) ? XtHeight(paned) : XtWidth(paned)) - -#define GetRequestInfo(geo, vertical) \ - ((vertical) ? (geo)->height : (geo)->width) - -#define SatisfiesRule1(pane, shrink) \ - (((shrink) && ((pane)->size != (pane)->min)) \ - || (!(shrink) && ((pane)->size != (pane)->max))) - -#define SatisfiesRule2(pane) \ - (!(pane)->skip_adjust || (pane)->paned_adjusted_me) - -#define SatisfiesRule3(pane, shrink) \ - ((pane)->paned_adjusted_me \ - && (((shrink) && ((int)(pane)->wp_size <= (pane)->size)) \ - || (!(shrink) && ((int)(pane)->wp_size >= (pane)->size)))) - - -/* - * Class Methods - */ -static void XawPanedClassInitialize(void); -static void XawPanedChangeManaged(Widget); -static void XawPanedDeleteChild(Widget); -static void XawPanedDestroy(Widget); -static XtGeometryResult XawPanedGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawPanedInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawPanedInsertChild(Widget); -static Boolean XawPanedPaneSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static void XawPanedRealize(Widget, Mask*, XSetWindowAttributes*); -static void XawPanedRedisplay(Widget, XEvent*, Region); -static void XawPanedResize(Widget); -static Boolean XawPanedSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static void _DrawInternalBorders(PanedWidget, GC); -static void _DrawRect(PanedWidget, GC, int, int, unsigned int, unsigned int); -static void _DrawTrackLines(PanedWidget, Bool); -static void AdjustPanedSize(PanedWidget, unsigned int, XtGeometryResult*, - Dimension*, Dimension*); -static void ChangeAllGripCursors(PanedWidget); -static Pane ChoosePaneToResize(PanedWidget, int, Direction, Bool); -static void ClearPaneStack(PanedWidget); -static void CommitGripAdjustment(PanedWidget); -static void CreateGrip(Widget); -static int GetEventLocation(PanedWidget, XEvent*); -static void GetGCs(Widget); -static void GetPaneStack(PanedWidget, Bool, Pane*, int*); -static void HandleGrip(Widget, XtPointer, XtPointer); -static void LoopAndRefigureChildren(PanedWidget, int, Direction, int*); -static void ManageAndUnmanageGrips(PanedWidget); -static void MoveGripAdjustment(PanedWidget, Widget, Direction, int); -static Bool PopPaneStack(PanedWidget); -static void PushPaneStack(PanedWidget, Pane); -static void RefigureLocations(PanedWidget, int, Direction); -static void RefigureLocationsAndCommit(Widget); -static void ReleaseGCs(Widget); -static void ResortChildren(PanedWidget); -static void SetChildrenPrefSizes(PanedWidget, unsigned int); -static void StartGripAdjustment(PanedWidget, Widget, Direction); - -/* - * Initialization - */ -static char defGripTranslations[] = -"<Btn1Down>:" "GripAction(Start,UpLeftPane)\n" -"<Btn2Down>:" "GripAction(Start,ThisBorderOnly)\n" -"<Btn3Down>:" "GripAction(Start,LowRightPane)\n" -"<Btn1Motion>:" "GripAction(Move,UpLeft)\n" -"<Btn2Motion>:" "GripAction(Move,ThisBorder)\n" -"<Btn3Motion>:" "GripAction(Move,LowRight)\n" -"Any<BtnUp>:" "GripAction(Commit)\n" -; - -#define offset(field) XtOffsetOf(PanedRec, paned.field) -static XtResource resources[] = { - { - XtNinternalBorderColor, - XtCBorderColor, - XtRPixel, - sizeof(Pixel), - offset(internal_bp), - XtRString, - (XtPointer)XtDefaultForeground - }, - { - XtNinternalBorderWidth, - XtCBorderWidth, - XtRDimension, - sizeof(Dimension), - offset(internal_bw), - XtRImmediate, - (XtPointer)1 - }, - { - XtNgripIndent, - XtCGripIndent, - XtRPosition, - sizeof(Position), - offset(grip_indent), - XtRImmediate, - (XtPointer)10 - }, - { - XtNrefigureMode, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(refiguremode), - XtRImmediate, - (XtPointer)True - }, - { - XtNgripTranslations, - XtCTranslations, - XtRTranslationTable, - sizeof(XtTranslations), - offset(grip_translations), - XtRString, - (XtPointer)defGripTranslations - }, - { - XtNorientation, - XtCOrientation, - XtROrientation, - sizeof(XtOrientation), - offset(orientation), - XtRImmediate, - (XtPointer)XtorientVertical - }, - { - XtNcursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(cursor), - XtRImmediate, - NULL - }, - { - XtNgripCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(grip_cursor), - XtRImmediate, - NULL - }, - { - XtNverticalGripCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(v_grip_cursor), - XtRString, - "sb_v_double_arrow" - }, - { - XtNhorizontalGripCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(h_grip_cursor), - XtRString, - "sb_h_double_arrow" - }, - { - XtNbetweenCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(adjust_this_cursor), - XtRString, - NULL - }, - { - XtNverticalBetweenCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(v_adjust_this_cursor), - XtRString, - "sb_left_arrow" - }, - { - XtNhorizontalBetweenCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(h_adjust_this_cursor), - XtRString, - "sb_up_arrow" - }, - { - XtNupperCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(adjust_upper_cursor), - XtRString, - "sb_up_arrow" - }, - { - XtNlowerCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(adjust_lower_cursor), - XtRString, - "sb_down_arrow" - }, - { - XtNleftCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(adjust_left_cursor), - XtRString, - "sb_left_arrow" - }, - { - XtNrightCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(adjust_right_cursor), - XtRString, - "sb_right_arrow" - }, -}; -#undef offset - -#define offset(field) XtOffsetOf(PanedConstraintsRec, paned.field) -static XtResource subresources[] = { - { - XtNallowResize, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(allow_resize), - XtRImmediate, - (XtPointer)False - }, - { - XtNposition, - XtCPosition, - XtRInt, - sizeof(int), - offset(position), - XtRImmediate, - (XtPointer)0 - }, - { - XtNmin, - XtCMin, - XtRDimension, - sizeof(Dimension), - offset(min), - XtRImmediate, - (XtPointer)PANED_GRIP_SIZE - }, - { - XtNmax, - XtCMax, - XtRDimension, - sizeof(Dimension), - offset(max), - XtRImmediate, - (XtPointer)~0 - }, - { - XtNpreferredPaneSize, - XtCPreferredPaneSize, - XtRDimension, - sizeof(Dimension), - offset(preferred_size), - XtRImmediate, - (XtPointer)PANED_ASK_CHILD - }, - { - XtNresizeToPreferred, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(resize_to_pref), - XtRImmediate, - (XtPointer)False - }, - { - XtNskipAdjust, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(skip_adjust), - XtRImmediate, - (XtPointer)False - }, - { - XtNshowGrip, - XtCShowGrip, - XtRBoolean, - sizeof(Boolean), - offset(show_grip), - XtRImmediate, - (XtPointer)True - }, -}; -#undef offset - -#define SuperClass ((ConstraintWidgetClass)&constraintClassRec) - -PanedClassRec panedClassRec = { - /* core */ - { - (WidgetClass)SuperClass, /* superclass */ - "Paned", /* class name */ - sizeof(PanedRec), /* size */ - XawPanedClassInitialize, /* class_initialize */ - NULL, /* class_part init */ - False, /* class_inited */ - XawPanedInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawPanedRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawPanedDestroy, /* destroy */ - XawPanedResize, /* resize */ - XawPanedRedisplay, /* expose */ - XawPanedSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XawPanedGeometryManager, /* geometry_manager */ - XawPanedChangeManaged, /* change_managed */ - XawPanedInsertChild, /* insert_child */ - XawPanedDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - /* constraint */ - { - subresources, /* subresources */ - XtNumber(subresources), /* subresource_count */ - sizeof(PanedConstraintsRec), /* constraint_size */ - NULL, /* initialize */ - NULL, /* destroy */ - XawPanedPaneSetValues, /* set_values */ - NULL, /* extension */ - }, -}; - -WidgetClass panedWidgetClass = (WidgetClass)&panedClassRec; -WidgetClass vPanedWidgetClass = (WidgetClass)&panedClassRec; - -/* - * Implementation - */ -/* Function: - * AdjustPanedSize - * - * Parameters: - * pw - paned widget to adjust - * off_size - new off_size to use - * result_ret - result of query (return) - * on_size_ret - new on_size (return) - * off_size_ret - new off_size (return) - * - * Description: - * Adjusts the size of the pane. - * - * Returns: - * amount of change in size - */ -static void -AdjustPanedSize(PanedWidget pw, unsigned int off_size, - XtGeometryResult *result_ret, - Dimension *on_size_ret, Dimension *off_size_ret) -{ - Dimension old_size = PaneSize((Widget)pw, IsVert(pw)); - Dimension newsize = 0; - Widget *childP; - XtWidgetGeometry request, reply; - - request.request_mode = CWWidth | CWHeight; - - ForAllPanes(pw, childP) { - int size = Max(PaneInfo(*childP)->size, (int)PaneInfo(*childP)->min); - - AssignMin(size, (int)PaneInfo(*childP)->max); - newsize += size + pw->paned.internal_bw; - } - newsize -= pw->paned.internal_bw; - - if (newsize < 1) - newsize = 1; - - if (IsVert(pw)) { - request.width = off_size; - request.height = newsize; - } - else { - request.width = newsize; - request.height = off_size; - } - - if (result_ret != NULL) { - request.request_mode |= XtCWQueryOnly; - - *result_ret = XtMakeGeometryRequest((Widget)pw, &request, &reply); - _XawImCallVendorShellExtResize((Widget)pw); - - if (newsize == old_size || *result_ret == XtGeometryNo) { - *on_size_ret = old_size; - *off_size_ret = off_size; - return; - } - if (*result_ret != XtGeometryAlmost) { - *on_size_ret = GetRequestInfo(&request, IsVert(pw)); - *off_size_ret = GetRequestInfo(&request, !IsVert(pw)); - return; - } - *on_size_ret = GetRequestInfo(&reply, IsVert(pw)); - *off_size_ret = GetRequestInfo(&reply, !IsVert(pw)); - return; - } - - if (newsize == old_size) - return; - - if (XtMakeGeometryRequest((Widget)pw, &request, &reply) == XtGeometryAlmost) - XtMakeGeometryRequest((Widget)pw, &reply, &request); -} - -/* - * Function: - * ChoosePaneToResize. - * - * Parameters: - * pw - paned widget - * paneindex - index of the current pane - * dir - direction to search first - * shrink - True if we need to shrink a pane, False otherwise - * - * Description: - * This function chooses a pane to resize. - They are chosen using the following rules: - * - * 1) size < max && size > min - * 2) skip adjust == False - * 3) widget not its prefered height - * && this change will bring it closer - * && The user has not resized this pane. - * - * If no widgets are found that fits all the rules then - * rule #3 is broken. - * If there are still no widgets found than - * rule #2 is broken. - * Rule #1 is never broken. - * If no widgets are found then NULL is returned. - * - * Returns: - * pane to resize or NULL - */ -static Pane -ChoosePaneToResize(PanedWidget pw, int paneindex, Direction dir, Bool shrink) -{ - Widget *childP; - int rules = 3; - Direction _dir = dir; - int _index = paneindex; - - if (paneindex == NO_INDEX || dir == AnyPane) { /* Use defaults */ - _dir = LowRightPane; /* Go up - really */ - _index = pw->paned.num_panes - 1; /* Start the last pane, and work - backwards */ - } - childP = pw->composite.children + _index; - - /*CONSTCOND*/ - while(True) { - Pane pane = PaneInfo(*childP); - - if ((rules < 3 || SatisfiesRule3(pane, shrink)) - && (rules < 2 || SatisfiesRule2(pane)) - && SatisfiesRule1(pane, shrink) - && (paneindex != PaneIndex(*childP) || dir == AnyPane)) - return (pane); - - /* - * This is counter-intuitive, but if we are resizing the pane - * above the grip we want to choose a pane below the grip to lose, - * and visa-versa - */ - if (_dir == LowRightPane) - --childP; - else - ++childP; - - /* - * If we have come to and edge then reduce the rule set, and try again - * If we are reduced the rules to none, then return NULL - */ - if ((childP - pw->composite.children) < 0 || - (childP - pw->composite.children) >= pw->paned.num_panes) { - if (--rules < 1) /* less strict rules */ - return (NULL); - childP = pw->composite.children + _index; - } - } -} - -/* - * Function: - * LoopAndRefigureChildren - * - * Parameters: - * pw - paned widget - * paneindex - number of the pane border we are moving - * dir - pane to move (either UpLeftPane or LowRightPane) - * sizeused - current amount of space used (used and returned) - * - * Description: - * If we are resizing either the UpleftPane or LowRight Pane loop - * through all the children to see if any will allow us to resize them. - */ -static void -LoopAndRefigureChildren(PanedWidget pw, int paneindex, Direction dir, - int *sizeused) -{ - int pane_size = (int)PaneSize((Widget)pw, IsVert(pw)); - Boolean shrink = (*sizeused > pane_size); - - if (dir == LowRightPane) - paneindex++; - - /* While all panes do not fit properly */ - while (*sizeused != pane_size) { - /* - * Choose a pane to resize - * First look on the Pane Stack, and then go hunting for another one - * If we fail to find a pane to resize then give up - */ - Pane pane; - int start_size; - Dimension old; - Boolean rule3_ok = False, from_stack = True; - - GetPaneStack(pw, shrink, &pane, &start_size); - if (pane == NULL) { - pane = ChoosePaneToResize(pw, paneindex, dir, shrink); - if (pane == NULL) - return; /* no one to resize, give up */ - - rule3_ok = SatisfiesRule3(pane, shrink); - from_stack = False; - PushPaneStack(pw, pane); - } - - /* - * Try to resize this pane so that all panes will fit, take min and max - * into account - */ - old = pane->size; - pane->size += pane_size - *sizeused; - - if (from_stack) { - if (shrink) { - AssignMax(pane->size, start_size); - } /* don't remove these braces */ - else - AssignMin(pane->size, start_size); - - if (pane->size == start_size) - (void)PopPaneStack(pw); - } - else if (rule3_ok) { - if (shrink) { - AssignMax(pane->size, (int)pane->wp_size); - } /* don't remove these braces */ - else - AssignMin(pane->size, (int)pane->wp_size); - } - - pane->paned_adjusted_me = pane->size != pane->wp_size; - AssignMax(pane->size, (int)pane->min); - AssignMin(pane->size, (int)pane->max); - *sizeused += (pane->size - old); - } -} - -/* - * Function: - * RefigureLocations - * - * Parameters: - * pw - paned widget - * paneindex - child to start refiguring at - * dir - direction to move from child - * - * Description: - * Refigures all locations of children. - * There are special arguments to paneindex and dir, they are: - * paneindex - NO_INDEX. - * dir - AnyPane. - * - * If either of these is true then all panes may be resized and - * the choosing of panes procedes in reverse order starting with the - * last child. - */ -static void -RefigureLocations(PanedWidget pw, int paneindex, Direction dir) -{ - Widget *childP; - int pane_size = (int)PaneSize((Widget)pw, IsVert(pw)); - int sizeused = 0; - Position loc = 0; - - if (pw->paned.num_panes == 0 || !pw->paned.refiguremode) - return; - - /* - * Get an initial estimate of the size we will use - */ - ForAllPanes(pw, childP) { - Pane pane = PaneInfo(*childP); - - AssignMax(pane->size, (int) pane->min); - AssignMin(pane->size, (int) pane->max); - sizeused += (int)pane->size + (int)pw->paned.internal_bw; - } - sizeused -= (int)pw->paned.internal_bw; - - if (dir != ThisBorderOnly && sizeused != pane_size) - LoopAndRefigureChildren(pw, paneindex, dir, &sizeused); - - /* - * If we still are not the right size, then tell the pane that - * wanted to resize that it can't - */ - if (paneindex != NO_INDEX && dir != AnyPane) { - Pane pane = PaneInfo(*(pw->composite.children + paneindex)); - Dimension old = pane->size; - - pane->size += pane_size - sizeused; - AssignMax(pane->size, (int) pane->min); - AssignMin(pane->size, (int) pane->max); - sizeused += pane->size - old; - } - - /* - * It is possible that the panes will not fit inside the vpaned widget, but - * we have tried out best - * - * Assign each pane a location - */ - ForAllPanes(pw, childP) { - PaneInfo(*childP)->delta = loc; - loc += PaneInfo(*childP)->size + pw->paned.internal_bw; - } -} - -/* - * Function: - * CommitNewLocations - * - * Parameters: - * pw - paned widget - * - * Description: - * Commits all of the previously figured locations. - */ -static void -CommitNewLocations(PanedWidget pw) -{ - Widget *childP; - XWindowChanges changes; - - changes.stack_mode = Above; - - ForAllPanes(pw, childP) { - Pane pane = PaneInfo(*childP); - Widget grip = pane->grip; /* may be NULL */ - - if (IsVert(pw)) { - XtMoveWidget(*childP, (Position) 0, pane->delta); - XtResizeWidget(*childP, XtWidth(pw), pane->size, 0); - - if (HasGrip(*childP)) { /* Move and Display the Grip */ - changes.x = XtWidth(pw) - pw->paned.grip_indent - - XtWidth(grip) - (XtBorderWidth(grip) << 1); - changes.y = XtY(*childP) + XtHeight(*childP) - - (XtHeight(grip) >> 1) - XtBorderWidth(grip) + - (pw->paned.internal_bw >> 1); - } - } - else { - XtMoveWidget(*childP, pane->delta, 0); - XtResizeWidget(*childP, pane->size, XtHeight(pw), 0); - - if (HasGrip(*childP)) { /* Move and Display the Grip */ - changes.x = XtX(*childP) + XtWidth(*childP) - - (XtWidth(grip) >> 1) - XtBorderWidth(grip) + - (pw->paned.internal_bw >> 1); - changes.y = XtHeight(pw) - pw->paned.grip_indent - - XtHeight(grip) - (XtBorderWidth(grip) << 1); - } - } - - /* - * This should match XtMoveWidget, except that we're also insuring the - * grip is Raised in the same request - */ - - if (HasGrip(*childP)) { - XtX(grip) = changes.x; - XtY(grip) = changes.y; - - if (XtIsRealized(pane->grip)) - XConfigureWindow(XtDisplay(pane->grip), XtWindow(pane->grip), - CWX | CWY | CWStackMode, &changes); - } - } - ClearPaneStack(pw); -} - -/* - * Function: - * RefigureLocationsAndCommit - * - * Parameters: - * pw - paned widget - * - * Description: - * Refigures all locations in a paned widget and commits them immediately. - * - * This function does nothing if any of the following are true. - * o refiguremode is false. - * o The widget is unrealized. - * o There are no panes is the paned widget. - */ -static void -RefigureLocationsAndCommit(Widget w) -{ - PanedWidget pw = (PanedWidget)w; - - if (pw->paned.refiguremode && XtIsRealized(w) && pw->paned.num_panes > 0) { - RefigureLocations(pw, NO_INDEX, AnyPane); - CommitNewLocations(pw); - } -} - -/* - * Function: - * _DrawRect - * - * Parameters: - * pw - paned widget - * gc - gc to used for the draw - * on_olc - location of upper left corner of rect - * off_loc - "" - * on_size - size of rectangle - * off_size - "" - * - * Description: - * Draws a rectangle in the proper orientation. - */ -static void -_DrawRect(PanedWidget pw, GC gc, int on_loc, int off_loc, - unsigned int on_size, unsigned int off_size) -{ - if (IsVert(pw)) - XFillRectangle(XtDisplay((Widget)pw), XtWindow((Widget)pw), gc, - off_loc, on_loc, off_size, on_size); - else - XFillRectangle(XtDisplay((Widget)pw), XtWindow((Widget)pw), gc, - on_loc, off_loc, on_size, off_size); -} - -/* - * Function: - * _DrawInternalBorders - * - * Parameters: - * pw - paned widget - * gc - GC to use to draw the borders - * - * Description: - * Draws the internal borders into the paned widget. - */ -static void -_DrawInternalBorders(PanedWidget pw, GC gc) -{ - Widget *childP; - int on_loc, off_loc; - unsigned int on_size, off_size; - - /* - * This is an optimization. Do not paint the internal borders if - * they are the same color as the background - */ - if (pw->core.background_pixel == pw->paned.internal_bp) - return; - - off_loc = 0; - off_size = (unsigned int) PaneSize((Widget)pw, !IsVert(pw)); - on_size = (unsigned int)pw->paned.internal_bw; - - ForAllPanes(pw, childP) { - on_loc = IsVert(pw) ? XtY(*childP) : XtX(*childP); - on_loc -= (int)on_size; - - _DrawRect(pw, gc, on_loc, off_loc, on_size, off_size); - } -} - -#define DrawInternalBorders(pw) \ - _DrawInternalBorders((pw), (pw)->paned.normgc) -#define EraseInternalBorders(pw) \ - _DrawInternalBorders((pw), (pw)->paned.invgc) -/* - * Function Name: - * _DrawTrackLines - * - * Parameters: - * pw - Paned widget - * erase - if True then just erase track lines, else draw them in - * - * Description: - * Draws the lines that animate the pane borders when the grips are moved. - */ -static void -_DrawTrackLines(PanedWidget pw, Bool erase) -{ - Widget *childP; - Pane pane; - int on_loc, off_loc; - unsigned int on_size, off_size; - - off_loc = 0; - off_size = PaneSize((Widget)pw, !IsVert(pw)); - - ForAllPanes(pw, childP) { - pane = PaneInfo(*childP); - if (erase || pane->olddelta != pane->delta) { - on_size = pw->paned.internal_bw; - if (!erase) { - on_loc = PaneInfo(*childP)->olddelta - (int) on_size; - _DrawRect(pw, pw->paned.flipgc, - on_loc, off_loc, on_size, off_size); - } - - on_loc = PaneInfo(*childP)->delta - (int)on_size; - - _DrawRect(pw, pw->paned.flipgc, - on_loc, off_loc, on_size, off_size); - - pane->olddelta = pane->delta; - } - } -} - -#define DrawTrackLines(pw) _DrawTrackLines((pw), False); -#define EraseTrackLines(pw) _DrawTrackLines((pw), True); -/* - * Function: - * GetEventLocation - * - * Parameters: - * pw - the paned widget - * event - pointer to an event - * - * Description: - * Converts and event to an x and y location. - * - * Returns: - * if this is a vertical pane then (y) else (x) - */ -static int -GetEventLocation(PanedWidget pw, XEvent *event) -{ - int x, y; - - switch (event->xany.type) { - case ButtonPress: - case ButtonRelease: - x = event->xbutton.x_root; - y = event->xbutton.y_root; - break; - case KeyPress: - case KeyRelease: - x = event->xkey.x_root; - y = event->xkey.y_root; - break; - case MotionNotify: - x = event->xmotion.x_root; - y = event->xmotion.y_root; - break; - default: - x = pw->paned.start_loc; - y = pw->paned.start_loc; - } - - if (IsVert(pw)) - return (y); - - return (x); -} - -/* - * Function: - * StartGripAdjustment - * - * Parameters: - * pw - paned widget - * grip - grip widget selected - * dir - direction that we are to be moving - * - * Description: - * Starts the grip adjustment procedure. - */ -static void -StartGripAdjustment(PanedWidget pw, Widget grip, Direction dir) -{ - Widget *childP; - Cursor cursor; - - pw->paned.whichadd = pw->paned.whichsub = NULL; - - if (dir == ThisBorderOnly || dir == UpLeftPane) - pw->paned.whichadd = pw->composite.children[PaneIndex(grip)]; - if (dir == ThisBorderOnly || dir == LowRightPane) - pw->paned.whichsub = pw->composite.children[PaneIndex(grip) + 1]; - - /* - * Change the cursor - */ - if (XtIsRealized(grip)) { - if (IsVert(pw)) { - if (dir == UpLeftPane) - cursor = pw->paned.adjust_upper_cursor; - else if (dir == LowRightPane) - cursor = pw->paned.adjust_lower_cursor; - else { - if (pw->paned.adjust_this_cursor == None) - cursor = pw->paned.v_adjust_this_cursor; - else - cursor = pw->paned.adjust_this_cursor; - } - } - else { - if (dir == UpLeftPane) - cursor = pw->paned.adjust_left_cursor; - else if (dir == LowRightPane) - cursor = pw->paned.adjust_right_cursor; - else { - if (pw->paned.adjust_this_cursor == None) - cursor = pw->paned.h_adjust_this_cursor; - else - cursor = pw->paned.adjust_this_cursor; - } - } - - XDefineCursor(XtDisplay(grip), XtWindow(grip), cursor); - } - - EraseInternalBorders(pw); - ForAllPanes(pw, childP) - PaneInfo(*childP)->olddelta = -99; - - EraseTrackLines(pw); -} - -/* - * Function: - * MoveGripAdjustment - * - * Parameters: - * pw - paned widget - * grip - grip that we are moving - * dir - direction the pane we are interested is w.r.t the grip - * loc - location of pointer in proper direction - * - * Description: - * This routine moves all panes around when a grip is moved. - */ -static void -MoveGripAdjustment(PanedWidget pw, Widget grip, Direction dir, int loc) -{ - int diff, add_size = 0, sub_size = 0; - - diff = loc - pw->paned.start_loc; - - if (pw->paned.whichadd) - add_size = PaneSize(pw->paned.whichadd, IsVert(pw)) + diff; - - if (pw->paned.whichsub) - sub_size = PaneSize(pw->paned.whichsub, IsVert(pw)) - diff; - - /* - * If moving this border only then do not allow either of the borders - * to go beyond the min or max size allowed - */ - if (dir == ThisBorderOnly) { - int old_add_size = add_size, old_sub_size; - - AssignMax(add_size, (int)PaneInfo(pw->paned.whichadd)->min); - AssignMin(add_size, (int)PaneInfo(pw->paned.whichadd)->max); - if (add_size != old_add_size) - sub_size += old_add_size - add_size; - - old_sub_size = sub_size; - AssignMax(sub_size, (int)PaneInfo(pw->paned.whichsub)->min); - AssignMin(sub_size, (int)PaneInfo(pw->paned.whichsub)->max); - if (sub_size != old_sub_size) - return; /* Abort to current sizes */ - } - - if (add_size != 0) - PaneInfo(pw->paned.whichadd)->size = add_size; - if (sub_size != 0) - PaneInfo(pw->paned.whichsub)->size = sub_size; - RefigureLocations(pw, PaneIndex(grip), dir); - DrawTrackLines(pw); -} - -/* - * Function: - * CommitGripAdjustment - * - * Parameters: - * pw - paned widget - * - * Description: - * Commits the grip adjustment. - */ -static void -CommitGripAdjustment(PanedWidget pw) -{ - EraseTrackLines(pw); - CommitNewLocations(pw); - DrawInternalBorders(pw); - - /* - * Since the user selected this size then use it as the preferred size - */ - if (pw->paned.whichadd) { - Pane pane = PaneInfo(pw->paned.whichadd); - - pane->wp_size = pane->size; - } - if (pw->paned.whichsub) { - Pane pane = PaneInfo(pw->paned.whichsub); - - pane->wp_size = pane->size; - } -} - -/* - * Function: - * HandleGrip - * - * Parameters: - * grip - grip widget that has been moved - * temp - (not used) - * call_data - data passed to us from the grip widget - * - * Description: - * Handles the grip manipulations. - */ -/*ARGSUSED*/ -static void -HandleGrip(Widget grip, XtPointer temp, XtPointer callData) -{ - XawGripCallData call_data = (XawGripCallData)callData; - PanedWidget pw = (PanedWidget) XtParent(grip); - int loc; - char action_type[2], direction[2]; - Cursor cursor; - Arg arglist[1]; - - if (call_data->num_params) - XmuNCopyISOLatin1Uppered(action_type, call_data->params[0], - sizeof(action_type)); - - if (call_data->num_params == 0 - || (action_type[0] == 'C' && call_data->num_params != 1) - || (action_type[0] != 'C' && call_data->num_params != 2)) - XtAppError(XtWidgetToApplicationContext(grip), - "Paned GripAction has been passed incorrect parameters."); - - loc = GetEventLocation(pw, (XEvent *)call_data->event); - - if (action_type[0] != 'C') - XmuNCopyISOLatin1Uppered(direction, call_data->params[1], - sizeof(direction)); - - switch (action_type[0]) { - case 'S': /* Start adjustment */ - pw->paned.resize_children_to_pref = False; - StartGripAdjustment(pw, grip, (Direction)direction[0]); - pw->paned.start_loc = loc; - break; - case 'M': - MoveGripAdjustment(pw, grip, (Direction)direction[0], loc); - break; - case 'C': - XtSetArg(arglist[0], XtNcursor, &cursor); - XtGetValues(grip, arglist, 1); - XDefineCursor(XtDisplay(grip), XtWindow(grip), cursor); - CommitGripAdjustment(pw); - break; - default: - XtAppError(XtWidgetToApplicationContext(grip), - "Paned GripAction(); 1st parameter invalid"); - break; - } -} - -/* - * Function: - * ResortChildren - * - * Arguments: - * pw - paned widget - * - * Description: - * Resorts the children so that all managed children are first. - */ -static void -ResortChildren(PanedWidget pw) -{ - Widget *unmanagedP, *childP; - - unmanagedP = NULL; - ForAllChildren(pw, childP) { - if (!IsPane(*childP) || !XtIsManaged(*childP)) { - /* - * We only keep track of the first unmanaged pane - */ - if (unmanagedP == NULL) - unmanagedP = childP; - } - else { /* must be a managed pane */ - /* - * If an earlier widget was not a managed pane, then swap - */ - if (unmanagedP != NULL) { - Widget child = *unmanagedP; - - *unmanagedP = *childP; - *childP = child; - childP = unmanagedP; /* easiest to just back-track */ - unmanagedP = NULL; /* in case there is another managed */ - } - } - } -} - -/* - * Function: - * ManageAndUnmanageGrips - * - * Parameters: - * pw - paned widget - * - * Description: - * This function manages and unmanages the grips so that - * the managed state of each grip matches that of its pane. - */ -static void -ManageAndUnmanageGrips(PanedWidget pw) -{ - WidgetList managed_grips, unmanaged_grips; - Widget *managedP, *unmanagedP, *childP; - Cardinal alloc_size; - - alloc_size = sizeof(Widget) * (pw->composite.num_children >> 1); - managedP = managed_grips = (WidgetList)XtMalloc(alloc_size); - unmanagedP = unmanaged_grips = (WidgetList)XtMalloc(alloc_size); - - ForAllChildren(pw, childP) - if (IsPane(*childP) && HasGrip(*childP)) { - if (XtIsManaged(*childP)) - *managedP++ = PaneInfo(*childP)->grip; - else - *unmanagedP++ = PaneInfo(*childP)->grip; - } - - if (managedP != managed_grips) { - *unmanagedP++ = *--managedP; /* Last grip is never managed */ - XtManageChildren(managed_grips, managedP - managed_grips); - } - - if (unmanagedP != unmanaged_grips) - XtUnmanageChildren(unmanaged_grips, unmanagedP - unmanaged_grips); - - XtFree((char *)managed_grips); - XtFree((char *)unmanaged_grips); -} - -/* - * Function: - * CreateGrip - * - * Parameters: - * child - child that wants a grip to be created for it - * - * Description: - * Creates a grip widget. - */ -static void -CreateGrip(Widget child) -{ - PanedWidget pw = (PanedWidget)XtParent(child); - Arg arglist[2]; - Cardinal num_args = 0; - Cursor cursor; - - XtSetArg(arglist[num_args], XtNtranslations, pw->paned.grip_translations); - num_args++; - if ((cursor = pw->paned.grip_cursor) == None) { - if (IsVert(pw)) - cursor = pw->paned.v_grip_cursor; - else - cursor = pw->paned.h_grip_cursor; - } - - XtSetArg(arglist[num_args], XtNcursor, cursor); - num_args++; - PaneInfo(child)->grip = XtCreateWidget("grip", gripWidgetClass, (Widget)pw, - arglist, num_args); - - XtAddCallback(PaneInfo(child)->grip, XtNcallback, - HandleGrip, (XtPointer)child); -} - -/* - * Function: - * GetGCs - * - * Parameters: - * w - paned widget - */ -static void -GetGCs(Widget w) -{ - PanedWidget pw = (PanedWidget)w; - XtGCMask valuemask; - XGCValues values; - - /* - * Draw pane borders in internal border color - */ - values.foreground = pw->paned.internal_bp; - valuemask = GCForeground; - pw->paned.normgc = XtGetGC(w, valuemask, &values); - - /* - * Erase pane borders with background color - */ - values.foreground = pw->core.background_pixel; - valuemask = GCForeground; - pw->paned.invgc = XtGetGC(w, valuemask, &values); - - /* - * Draw Track lines (animate pane borders) in - * internal border color ^ bg color - */ - values.function = GXinvert; - values.plane_mask = pw->paned.internal_bp ^ pw->core.background_pixel; - values.subwindow_mode = IncludeInferiors; - valuemask = GCPlaneMask | GCFunction | GCSubwindowMode; - pw->paned.flipgc = XtGetGC(w, valuemask, &values); -} - -/* - * Function: - * SetChildrenPrefSizes - * - * Parameters: - * pw - paned widget - * - * Description: - * Sets the preferred sizes of the children. - */ -static void -SetChildrenPrefSizes(PanedWidget pw, unsigned int off_size) -{ - Widget *childP; - Boolean vert = IsVert(pw); - XtWidgetGeometry request, reply; - - ForAllPanes(pw, childP) - if (pw->paned.resize_children_to_pref || PaneInfo(*childP)->size == 0 || - PaneInfo(*childP)->resize_to_pref) { - if (PaneInfo(*childP)->preferred_size != PANED_ASK_CHILD) - PaneInfo(*childP)->wp_size = PaneInfo(*childP)->preferred_size; - else { - if(vert) { - request.request_mode = CWWidth; - request.width = off_size; - } - else { - request.request_mode = CWHeight; - request.height = off_size; - } - - if ((XtQueryGeometry(*childP, &request, &reply) - == XtGeometryAlmost) - && (reply.request_mode = (vert ? CWHeight : CWWidth))) - PaneInfo(*childP)->wp_size = GetRequestInfo(&reply, vert); - else - PaneInfo(*childP)->wp_size = PaneSize(*childP, vert); - } - - PaneInfo(*childP)->size = PaneInfo(*childP)->wp_size; - } -} - -/* - * Function: - * ChangeAllGripCursors - * - * Parameters: - * pw - paned widget - * - * Description: - * Changes all the grip cursors. - */ -static void -ChangeAllGripCursors(PanedWidget pw) -{ - Widget *childP; - - ForAllPanes(pw, childP) { - Arg arglist[1]; - Cursor cursor; - - if ((cursor = pw->paned.grip_cursor) == None) { - if (IsVert(pw)) - cursor = pw->paned.v_grip_cursor; - else - cursor = pw->paned.h_grip_cursor; - } - - if (HasGrip(*childP)) { - XtSetArg(arglist[0], XtNcursor, cursor); - XtSetValues(PaneInfo(*childP)->grip, arglist, 1); - } - } -} - -/* - * Function: - * PushPaneStack - * - * Parameters: - * pw - paned widget - * pane - pane that we are pushing - * - * Description: - * Pushes a value onto the pane stack. - */ -static void -PushPaneStack(PanedWidget pw, Pane pane) -{ - PaneStack *stack = (PaneStack *)XtMalloc(sizeof(PaneStack)); - - stack->next = pw->paned.stack; - stack->pane = pane; - stack->start_size = pane->size; - - pw->paned.stack = stack; -} - -/* - * Function: - * GetPaneStack - * - * Parameters: - * pw - paned widget - * shrink - True if we want to shrink this pane, False otherwise - * pane - pane that we are popping (return) - * start_size - size that this pane started at (return) - * - * Description: - * Gets the top value from the pane stack. - */ -static void -GetPaneStack(PanedWidget pw, Bool shrink, Pane *pane, int *start_size) -{ - if (pw->paned.stack == NULL) { - *pane = NULL; - return; - } - - *pane = pw->paned.stack->pane; - *start_size = pw->paned.stack->start_size; - - if (shrink != ((*pane)->size > *start_size)) - *pane = NULL; -} - -/* - * Function: - * PopPaneStack - * - * Parameters: - * pw - paned widget - * - * Description: - * Pops the top item off the pane stack. - * - * Returns: True if this is not the last element on the stack - */ -static Bool -PopPaneStack(PanedWidget pw) -{ - PaneStack *stack = pw->paned.stack; - - if (stack == NULL) - return (False); - - pw->paned.stack = stack->next; - XtFree((char *)stack); - - if (pw->paned.stack == NULL) - return (False); - - return (True); -} - -/* - * Function: - * ClearPaneStack - * - * Parameters: - * pw - paned widget - * - * Description: - * Removes all entries from the pane stack. - */ -static void -ClearPaneStack(PanedWidget pw) -{ - while(PopPaneStack(pw)) - ; -} - -static void -XawPanedClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtROrientation, XmuCvtStringToOrientation, - NULL, 0); - XtSetTypeConverter(XtROrientation, XtRString, XmuCvtOrientationToString, - NULL, 0, XtCacheNone, NULL); -} - -/* The Geometry Manager only allows changes after Realize if - * allow_resize is True in the constraints record. - * - * For vertically paned widgets: - * - * It only allows height changes, but offers the requested height - * as a compromise if both width and height changes were requested. - * - * For horizontal widgets the converse is true. - * As all good Geometry Managers should, we will return No if the - * request will have no effect; i.e. when the requestor is already - * of the desired geometry. - */ -static XtGeometryResult -XawPanedGeometryManager(Widget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - PanedWidget pw = (PanedWidget)XtParent(w); - XtGeometryMask mask = request->request_mode; - Dimension old_size, old_wpsize, old_paned_size; - Pane pane = PaneInfo(w); - Boolean vert = IsVert(pw); - Dimension on_size, off_size; - XtGeometryResult result; - Boolean almost = False; - - /* - * If any of the following is true, disallow the geometry change - * - * o The paned widget is realized and allow_resize is false for the pane - * o The child did not ask to change the on_size - * o The request is not a width or height request - * o The requested size is the same as the current size - */ - - if ((XtIsRealized((Widget)pw) && !pane->allow_resize) - || !(mask & (vert ? CWHeight : CWWidth)) - ||(mask & ~(CWWidth | CWHeight)) - || GetRequestInfo(request, vert) == PaneSize(w, vert)) - return (XtGeometryNo); - - old_paned_size = PaneSize((Widget)pw, vert); - old_wpsize = pane->wp_size; - old_size = pane->size; - - pane->wp_size = pane->size = GetRequestInfo(request, vert); - - AdjustPanedSize(pw, PaneSize((Widget)pw, !vert), &result, &on_size, - &off_size); - - /* - * Fool the Refigure Locations proc to thinking that we are - * a different on_size - */ - - if (result != XtGeometryNo) { - if (vert) - XtHeight(pw) = on_size; - else - XtWidth(pw) = on_size; - } - - RefigureLocations(pw, PaneIndex(w), AnyPane); - - /* - * Set up reply struct and reset core on_size - */ - if (vert) { - XtHeight(pw) = old_paned_size; - reply->height = pane->size; - reply->width = off_size; - } - else { - XtWidth(pw) = old_paned_size; - reply->height = off_size; - reply->width = pane->size; - } - - /* - * IF either of the following is true - * - * o There was a "off_size" request and the new "off_size" is different - * from that requested - * o There was no "off_size" request and the new "off_size" is different - * - * o The "on_size" we will allow is different from that requested - * - * THEN: set almost - */ - if (!((vert ? CWWidth : CWHeight) & mask)) { - if (vert) - request->width = XtWidth(w); - else - request->height = XtHeight(w); - } - - almost = GetRequestInfo(request, !vert) != GetRequestInfo(reply, !vert); - almost |= (GetRequestInfo(request, vert) != GetRequestInfo(reply, vert)); - - if ((mask & XtCWQueryOnly) || almost) { - pane->wp_size = old_wpsize; - pane->size = old_size; - RefigureLocations(pw, PaneIndex(w), AnyPane); - reply->request_mode = CWWidth | CWHeight; - if (almost) - return (XtGeometryAlmost); - } - else { - AdjustPanedSize(pw, PaneSize((Widget) pw, !vert), NULL, NULL, NULL); - CommitNewLocations(pw); /* layout already refigured */ - } - - return (XtGeometryDone); -} - -/*ARGSUSED*/ -static void -XawPanedInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - PanedWidget pw = (PanedWidget)cnew; - - GetGCs((Widget)pw); - - pw->paned.recursively_called = False; - pw->paned.stack = NULL; - pw->paned.resize_children_to_pref = True; - pw->paned.num_panes = 0; -} - -static void -XawPanedRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes) -{ - PanedWidget pw = (PanedWidget)w; - Widget *childP; - - if ((attributes->cursor = pw->paned.cursor) != None) - *valueMask |= CWCursor; - - (*SuperClass->core_class.realize)(w, valueMask, attributes); - - /* - * Before we commit the new locations we need to realize all the panes and - * their grips - */ - ForAllPanes(pw, childP) { - XtRealizeWidget(*childP); - if (HasGrip(*childP)) - XtRealizeWidget(PaneInfo(*childP)->grip); - } - - RefigureLocationsAndCommit(w); - pw->paned.resize_children_to_pref = False; -} - -static void -XawPanedDestroy(Widget w) -{ - ReleaseGCs(w); -} - -static void -ReleaseGCs(Widget w) -{ - PanedWidget pw = (PanedWidget)w; - - XtReleaseGC(w, pw->paned.normgc); - XtReleaseGC(w, pw->paned.invgc); - XtReleaseGC(w, pw->paned.flipgc); -} - -static void -XawPanedInsertChild(Widget w) -{ - Pane pane = PaneInfo(w); - - /* insert the child widget in the composite children list with the - superclass insert_child routine - */ - (*SuperClass->composite_class.insert_child)(w); - - if (!IsPane(w)) - return; - - if (pane->show_grip == True) { - CreateGrip(w); - if (pane->min == PANED_GRIP_SIZE) - pane->min = PaneSize(pane->grip, IsVert((PanedWidget)XtParent(w))); - } - else { - if (pane->min == PANED_GRIP_SIZE) - pane->min = 1; - pane->grip = NULL; - } - - pane->size = 0; - pane->paned_adjusted_me = False; -} - -static void -XawPanedDeleteChild(Widget w) -{ - /* remove the subwidget info and destroy the grip */ - if (IsPane(w) && HasGrip(w)) - XtDestroyWidget(PaneInfo(w)->grip); - - /* delete the child widget in the composite children list with the - superclass delete_child routine - */ - (*SuperClass->composite_class.delete_child)(w); -} - -static void -XawPanedChangeManaged(Widget w) -{ - PanedWidget pw = (PanedWidget)w; - Boolean vert = IsVert(pw); - Dimension size; - Widget *childP; - - if (pw->paned.recursively_called++) - return; - - /* - * If the size is zero then set it to the size of the widest or tallest pane - */ - - if ((size = PaneSize((Widget)pw, !vert)) == 0) { - size = 1; - ForAllChildren(pw, childP) - if (XtIsManaged(*childP) && (PaneSize(*childP, !vert) > size)) - size = PaneSize(*childP, !vert); - } - - ManageAndUnmanageGrips(pw); - pw->paned.recursively_called = False; - ResortChildren(pw); - - pw->paned.num_panes = 0; - ForAllChildren(pw, childP) - if (IsPane(*childP)) { - if (XtIsManaged(*childP)) { - Pane pane = PaneInfo(*childP); - - if (HasGrip(*childP)) - PaneInfo(pane->grip)->position = pw->paned.num_panes; - pane->position = pw->paned.num_panes; /* TEMPORY -CDP 3/89 */ - pw->paned.num_panes++; - } - else - break; /* This list is already sorted */ - } - - SetChildrenPrefSizes((PanedWidget) w, size); - - /* - * ForAllPanes can now be used - */ - if (PaneSize((Widget) pw, vert) == 0) - AdjustPanedSize(pw, size, NULL, NULL, NULL); - - if (XtIsRealized((Widget)pw)) - RefigureLocationsAndCommit((Widget)pw); -} - -static void -XawPanedResize(Widget w) -{ - SetChildrenPrefSizes((PanedWidget)w, - PaneSize(w, !IsVert((PanedWidget)w))); - RefigureLocationsAndCommit(w); -} - -/*ARGSUSED*/ -static void -XawPanedRedisplay(Widget w, XEvent *event, Region region) -{ - DrawInternalBorders((PanedWidget)w); -} - -/*ARGSUSED*/ -static Boolean -XawPanedSetValues(Widget old, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - PanedWidget old_pw = (PanedWidget)old; - PanedWidget new_pw = (PanedWidget)cnew; - Boolean redisplay = False; - - if ((old_pw->paned.cursor != new_pw->paned.cursor) && XtIsRealized(cnew)) - XDefineCursor(XtDisplay(cnew), XtWindow(cnew), new_pw->paned.cursor); - - if (old_pw->paned.internal_bp != new_pw->paned.internal_bp || - old_pw->core.background_pixel != new_pw->core.background_pixel) { - ReleaseGCs(old); - GetGCs(cnew); - redisplay = True; - } - - if (old_pw->paned.grip_cursor != new_pw->paned.grip_cursor || - old_pw->paned.v_grip_cursor != new_pw->paned.v_grip_cursor || - old_pw->paned.h_grip_cursor != new_pw->paned.h_grip_cursor) - ChangeAllGripCursors(new_pw); - - if (IsVert(old_pw) != IsVert(new_pw)) { - /* - * We are fooling the paned widget into thinking that is needs to - * fully refigure everything, which is what we want - */ - if (IsVert(new_pw)) - XtWidth(new_pw) = 0; - else - XtHeight(new_pw) = 0; - - new_pw->paned.resize_children_to_pref = True; - XawPanedChangeManaged(cnew); /* Seems weird, but does the right thing */ - new_pw->paned.resize_children_to_pref = False; - if (new_pw->paned.grip_cursor == None) - ChangeAllGripCursors(new_pw); - return (True); - } - - if (old_pw->paned.internal_bw != new_pw->paned.internal_bw) { - AdjustPanedSize(new_pw, PaneSize(cnew, !IsVert(old_pw)), - NULL, NULL, NULL); - RefigureLocationsAndCommit(cnew); - return (True); /* We have done a full configuration, return */ - } - - if (old_pw->paned.grip_indent != new_pw->paned.grip_indent && - XtIsRealized(cnew)) { - CommitNewLocations(new_pw); - redisplay = True; - } - - return (redisplay); -} - -/*ARGSUSED*/ -static Boolean -XawPanedPaneSetValues(Widget old, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - Pane old_pane = PaneInfo(old); - Pane new_pane = PaneInfo(cnew); - Boolean redisplay = False; - - /* Check for new min and max */ - if (old_pane->min != new_pane->min || old_pane->max != new_pane->max) - XawPanedSetMinMax(cnew, (int)new_pane->min, (int)new_pane->max); - - /* Check for change in XtNshowGrip */ - if (old_pane->show_grip != new_pane->show_grip) { - if (new_pane->show_grip == True) { - CreateGrip(cnew); - if (XtIsRealized(XtParent(cnew))) { - if (XtIsManaged(cnew)) /* if paned is unrealized this will - happen automatically at realize time - */ - XtManageChild(PaneInfo(cnew)->grip); /* manage the grip */ - XtRealizeWidget(PaneInfo(cnew)->grip); /* realize the grip */ - CommitNewLocations((PanedWidget)XtParent(cnew)); - } - } - else if (HasGrip(old)) { - XtDestroyWidget(old_pane->grip); - new_pane->grip = NULL; - redisplay = True; - } - } - - return (redisplay); -} - -/* - * Public routines - */ -/* - * Function: - * XawPanedSetMinMax - * - * Parameters: - * widget - widget that is a child of the Paned widget - * min - new min and max size for the pane - * max - "" - * - * Description: - * Sets the min and max size for a pane. - */ -void -XawPanedSetMinMax(Widget widget, int min, int max) -{ - Pane pane = PaneInfo(widget); - - pane->min = min; - pane->max = max; - RefigureLocationsAndCommit(widget->core.parent); -} - -/* - * Function: - * XawPanedGetMinMax - * - * Parameters: - * widget - widget that is a child of the Paned widget - * min - current min and max size for the pane (return) - * max - "" - * - * Description: - * Gets the min and max size for a pane. - */ -void -XawPanedGetMinMax(Widget widget, int *min, int *max) -{ - Pane pane = PaneInfo(widget); - - *min = pane->min; - *max = pane->max; -} - -/* - * Function: - * XawPanedSetRefigureMode - * - * Parameters: - * w - paned widget - * mode - if False then inhibit refigure - * - * Description: - * Allows a flag to be set the will inhibit - * the paned widgets relayout routine. - */ -void -XawPanedSetRefigureMode(Widget w, -#if NeedWidePrototypes - int mode -#else - Boolean mode -#endif -) -{ - ((PanedWidget)w)->paned.refiguremode = mode; - RefigureLocationsAndCommit(w); -} - -/* - * Function: - * XawPanedGetNumSub - * - * Parameters: - * w - paned widget - * - * Description: - * Returns the number of panes in the paned widget. - * Returns: - * the number of panes in the paned widget - */ -int -XawPanedGetNumSub(Widget w) -{ - return (((PanedWidget)w)->paned.num_panes); -} - -/* - * Function: - * XawPanedAllowResize - * - * Parameters: - * widget - child of the paned widget - * - * Description: - * Allows a flag to be set that determines if the paned - * widget will allow geometry requests from this child. - */ -void -XawPanedAllowResize(Widget widget, -#if NeedWidePrototypes - int allow_resize -#else - Boolean allow_resize -#endif -) -{ - PaneInfo(widget)->allow_resize = allow_resize; -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * Updated and significantly modified from the Athena VPaned Widget.
+ *
+ * Date: March 1, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/cursorfont.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/Grip.h>
+#include <X11/Xaw/PanedP.h>
+#include <X11/Xaw/XawImP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+typedef enum {
+ UpLeftPane = 'U',
+ LowRightPane = 'L',
+ ThisBorderOnly = 'T',
+ AnyPane = 'A'
+} Direction;
+
+#define NO_INDEX -100
+#define IS_GRIP NULL
+
+#define PaneInfo(w) ((Pane)(w)->core.constraints)
+#define HasGrip(w) (PaneInfo(w)->grip != NULL)
+#define IsPane(w) ((w)->core.widget_class != gripWidgetClass)
+#define PaneIndex(w) (PaneInfo(w)->position)
+#define IsVert(w) ((w)->paned.orientation == XtorientVertical)
+
+#define ForAllPanes(pw, childP) \
+for ((childP) = (pw)->composite.children; \
+ (childP) < (pw)->composite.children + (pw)->paned.num_panes; \
+ (childP)++)
+
+#define ForAllChildren(pw, childP) \
+for ((childP) = (pw)->composite.children; \
+ (childP) < (pw)->composite.children + (pw)->composite.num_children; \
+ (childP)++)
+
+#define PaneSize(paned, vertical) \
+ ((vertical) ? XtHeight(paned) : XtWidth(paned))
+
+#define GetRequestInfo(geo, vertical) \
+ ((vertical) ? (geo)->height : (geo)->width)
+
+#define SatisfiesRule1(pane, shrink) \
+ (((shrink) && ((pane)->size != (pane)->min)) \
+ || (!(shrink) && ((pane)->size != (pane)->max)))
+
+#define SatisfiesRule2(pane) \
+ (!(pane)->skip_adjust || (pane)->paned_adjusted_me)
+
+#define SatisfiesRule3(pane, shrink) \
+ ((pane)->paned_adjusted_me \
+ && (((shrink) && ((int)(pane)->wp_size <= (pane)->size)) \
+ || (!(shrink) && ((int)(pane)->wp_size >= (pane)->size))))
+
+
+/*
+ * Class Methods
+ */
+static void XawPanedClassInitialize(void);
+static void XawPanedChangeManaged(Widget);
+static void XawPanedDeleteChild(Widget);
+static void XawPanedDestroy(Widget);
+static XtGeometryResult XawPanedGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawPanedInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawPanedInsertChild(Widget);
+static Boolean XawPanedPaneSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static void XawPanedRealize(Widget, Mask*, XSetWindowAttributes*);
+static void XawPanedRedisplay(Widget, XEvent*, Region);
+static void XawPanedResize(Widget);
+static Boolean XawPanedSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void _DrawInternalBorders(PanedWidget, GC);
+static void _DrawRect(PanedWidget, GC, int, int, unsigned int, unsigned int);
+static void _DrawTrackLines(PanedWidget, Bool);
+static void AdjustPanedSize(PanedWidget, unsigned int, XtGeometryResult*,
+ Dimension*, Dimension*);
+static void ChangeAllGripCursors(PanedWidget);
+static Pane ChoosePaneToResize(PanedWidget, int, Direction, Bool);
+static void ClearPaneStack(PanedWidget);
+static void CommitGripAdjustment(PanedWidget);
+static void CreateGrip(Widget);
+static int GetEventLocation(PanedWidget, XEvent*);
+static void GetGCs(Widget);
+static void GetPaneStack(PanedWidget, Bool, Pane*, int*);
+static void HandleGrip(Widget, XtPointer, XtPointer);
+static void LoopAndRefigureChildren(PanedWidget, int, Direction, int*);
+static void ManageAndUnmanageGrips(PanedWidget);
+static void MoveGripAdjustment(PanedWidget, Widget, Direction, int);
+static Bool PopPaneStack(PanedWidget);
+static void PushPaneStack(PanedWidget, Pane);
+static void RefigureLocations(PanedWidget, int, Direction);
+static void RefigureLocationsAndCommit(Widget);
+static void ReleaseGCs(Widget);
+static void ResortChildren(PanedWidget);
+static void SetChildrenPrefSizes(PanedWidget, unsigned int);
+static void StartGripAdjustment(PanedWidget, Widget, Direction);
+
+/*
+ * Initialization
+ */
+static char defGripTranslations[] =
+"<Btn1Down>:" "GripAction(Start,UpLeftPane)\n"
+"<Btn2Down>:" "GripAction(Start,ThisBorderOnly)\n"
+"<Btn3Down>:" "GripAction(Start,LowRightPane)\n"
+"<Btn1Motion>:" "GripAction(Move,UpLeft)\n"
+"<Btn2Motion>:" "GripAction(Move,ThisBorder)\n"
+"<Btn3Motion>:" "GripAction(Move,LowRight)\n"
+"Any<BtnUp>:" "GripAction(Commit)\n"
+;
+
+#define offset(field) XtOffsetOf(PanedRec, paned.field)
+static XtResource resources[] = {
+ {
+ XtNinternalBorderColor,
+ XtCBorderColor,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(internal_bp),
+ XtRString,
+ (XtPointer)XtDefaultForeground
+ },
+ {
+ XtNinternalBorderWidth,
+ XtCBorderWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(internal_bw),
+ XtRImmediate,
+ (XtPointer)1
+ },
+ {
+ XtNgripIndent,
+ XtCGripIndent,
+ XtRPosition,
+ sizeof(Position),
+ offset(grip_indent),
+ XtRImmediate,
+ (XtPointer)10
+ },
+ {
+ XtNrefigureMode,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(refiguremode),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNgripTranslations,
+ XtCTranslations,
+ XtRTranslationTable,
+ sizeof(XtTranslations),
+ offset(grip_translations),
+ XtRString,
+ (XtPointer)defGripTranslations
+ },
+ {
+ XtNorientation,
+ XtCOrientation,
+ XtROrientation,
+ sizeof(XtOrientation),
+ offset(orientation),
+ XtRImmediate,
+ (XtPointer)XtorientVertical
+ },
+ {
+ XtNcursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(cursor),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNgripCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(grip_cursor),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNverticalGripCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(v_grip_cursor),
+ XtRString,
+ "sb_v_double_arrow"
+ },
+ {
+ XtNhorizontalGripCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(h_grip_cursor),
+ XtRString,
+ "sb_h_double_arrow"
+ },
+ {
+ XtNbetweenCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(adjust_this_cursor),
+ XtRString,
+ NULL
+ },
+ {
+ XtNverticalBetweenCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(v_adjust_this_cursor),
+ XtRString,
+ "sb_left_arrow"
+ },
+ {
+ XtNhorizontalBetweenCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(h_adjust_this_cursor),
+ XtRString,
+ "sb_up_arrow"
+ },
+ {
+ XtNupperCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(adjust_upper_cursor),
+ XtRString,
+ "sb_up_arrow"
+ },
+ {
+ XtNlowerCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(adjust_lower_cursor),
+ XtRString,
+ "sb_down_arrow"
+ },
+ {
+ XtNleftCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(adjust_left_cursor),
+ XtRString,
+ "sb_left_arrow"
+ },
+ {
+ XtNrightCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(adjust_right_cursor),
+ XtRString,
+ "sb_right_arrow"
+ },
+};
+#undef offset
+
+#define offset(field) XtOffsetOf(PanedConstraintsRec, paned.field)
+static XtResource subresources[] = {
+ {
+ XtNallowResize,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(allow_resize),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNposition,
+ XtCPosition,
+ XtRInt,
+ sizeof(int),
+ offset(position),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNmin,
+ XtCMin,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(min),
+ XtRImmediate,
+ (XtPointer)PANED_GRIP_SIZE
+ },
+ {
+ XtNmax,
+ XtCMax,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(max),
+ XtRImmediate,
+ (XtPointer)~0
+ },
+ {
+ XtNpreferredPaneSize,
+ XtCPreferredPaneSize,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(preferred_size),
+ XtRImmediate,
+ (XtPointer)PANED_ASK_CHILD
+ },
+ {
+ XtNresizeToPreferred,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(resize_to_pref),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNskipAdjust,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(skip_adjust),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNshowGrip,
+ XtCShowGrip,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(show_grip),
+ XtRImmediate,
+ (XtPointer)True
+ },
+};
+#undef offset
+
+#define SuperClass ((ConstraintWidgetClass)&constraintClassRec)
+
+PanedClassRec panedClassRec = {
+ /* core */
+ {
+ (WidgetClass)SuperClass, /* superclass */
+ "Paned", /* class name */
+ sizeof(PanedRec), /* size */
+ XawPanedClassInitialize, /* class_initialize */
+ NULL, /* class_part init */
+ False, /* class_inited */
+ XawPanedInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawPanedRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawPanedDestroy, /* destroy */
+ XawPanedResize, /* resize */
+ XawPanedRedisplay, /* expose */
+ XawPanedSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XawPanedGeometryManager, /* geometry_manager */
+ XawPanedChangeManaged, /* change_managed */
+ XawPanedInsertChild, /* insert_child */
+ XawPanedDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ /* constraint */
+ {
+ subresources, /* subresources */
+ XtNumber(subresources), /* subresource_count */
+ sizeof(PanedConstraintsRec), /* constraint_size */
+ NULL, /* initialize */
+ NULL, /* destroy */
+ XawPanedPaneSetValues, /* set_values */
+ NULL, /* extension */
+ },
+};
+
+WidgetClass panedWidgetClass = (WidgetClass)&panedClassRec;
+WidgetClass vPanedWidgetClass = (WidgetClass)&panedClassRec;
+
+/*
+ * Implementation
+ */
+/* Function:
+ * AdjustPanedSize
+ *
+ * Parameters:
+ * pw - paned widget to adjust
+ * off_size - new off_size to use
+ * result_ret - result of query (return)
+ * on_size_ret - new on_size (return)
+ * off_size_ret - new off_size (return)
+ *
+ * Description:
+ * Adjusts the size of the pane.
+ *
+ * Returns:
+ * amount of change in size
+ */
+static void
+AdjustPanedSize(PanedWidget pw, unsigned int off_size,
+ XtGeometryResult *result_ret,
+ Dimension *on_size_ret, Dimension *off_size_ret)
+{
+ Dimension old_size = PaneSize((Widget)pw, IsVert(pw));
+ Dimension newsize = 0;
+ Widget *childP;
+ XtWidgetGeometry request, reply;
+
+ request.request_mode = CWWidth | CWHeight;
+
+ ForAllPanes(pw, childP) {
+ int size = Max(PaneInfo(*childP)->size, (int)PaneInfo(*childP)->min);
+
+ AssignMin(size, (int)PaneInfo(*childP)->max);
+ newsize += size + pw->paned.internal_bw;
+ }
+ newsize -= pw->paned.internal_bw;
+
+ if (newsize < 1)
+ newsize = 1;
+
+ if (IsVert(pw)) {
+ request.width = off_size;
+ request.height = newsize;
+ }
+ else {
+ request.width = newsize;
+ request.height = off_size;
+ }
+
+ if (result_ret != NULL) {
+ request.request_mode |= XtCWQueryOnly;
+
+ *result_ret = XtMakeGeometryRequest((Widget)pw, &request, &reply);
+ _XawImCallVendorShellExtResize((Widget)pw);
+
+ if (newsize == old_size || *result_ret == XtGeometryNo) {
+ *on_size_ret = old_size;
+ *off_size_ret = off_size;
+ return;
+ }
+ if (*result_ret != XtGeometryAlmost) {
+ *on_size_ret = GetRequestInfo(&request, IsVert(pw));
+ *off_size_ret = GetRequestInfo(&request, !IsVert(pw));
+ return;
+ }
+ *on_size_ret = GetRequestInfo(&reply, IsVert(pw));
+ *off_size_ret = GetRequestInfo(&reply, !IsVert(pw));
+ return;
+ }
+
+ if (newsize == old_size)
+ return;
+
+ if (XtMakeGeometryRequest((Widget)pw, &request, &reply) == XtGeometryAlmost)
+ XtMakeGeometryRequest((Widget)pw, &reply, &request);
+}
+
+/*
+ * Function:
+ * ChoosePaneToResize.
+ *
+ * Parameters:
+ * pw - paned widget
+ * paneindex - index of the current pane
+ * dir - direction to search first
+ * shrink - True if we need to shrink a pane, False otherwise
+ *
+ * Description:
+ * This function chooses a pane to resize.
+ They are chosen using the following rules:
+ *
+ * 1) size < max && size > min
+ * 2) skip adjust == False
+ * 3) widget not its prefered height
+ * && this change will bring it closer
+ * && The user has not resized this pane.
+ *
+ * If no widgets are found that fits all the rules then
+ * rule #3 is broken.
+ * If there are still no widgets found than
+ * rule #2 is broken.
+ * Rule #1 is never broken.
+ * If no widgets are found then NULL is returned.
+ *
+ * Returns:
+ * pane to resize or NULL
+ */
+static Pane
+ChoosePaneToResize(PanedWidget pw, int paneindex, Direction dir, Bool shrink)
+{
+ Widget *childP;
+ int rules = 3;
+ Direction _dir = dir;
+ int _index = paneindex;
+
+ if (paneindex == NO_INDEX || dir == AnyPane) { /* Use defaults */
+ _dir = LowRightPane; /* Go up - really */
+ _index = pw->paned.num_panes - 1; /* Start the last pane, and work
+ backwards */
+ }
+ childP = pw->composite.children + _index;
+
+ /*CONSTCOND*/
+ while(True) {
+ Pane pane = PaneInfo(*childP);
+
+ if ((rules < 3 || SatisfiesRule3(pane, shrink))
+ && (rules < 2 || SatisfiesRule2(pane))
+ && SatisfiesRule1(pane, shrink)
+ && (paneindex != PaneIndex(*childP) || dir == AnyPane))
+ return (pane);
+
+ /*
+ * This is counter-intuitive, but if we are resizing the pane
+ * above the grip we want to choose a pane below the grip to lose,
+ * and visa-versa
+ */
+ if (_dir == LowRightPane)
+ --childP;
+ else
+ ++childP;
+
+ /*
+ * If we have come to and edge then reduce the rule set, and try again
+ * If we are reduced the rules to none, then return NULL
+ */
+ if ((childP - pw->composite.children) < 0 ||
+ (childP - pw->composite.children) >= pw->paned.num_panes) {
+ if (--rules < 1) /* less strict rules */
+ return (NULL);
+ childP = pw->composite.children + _index;
+ }
+ }
+}
+
+/*
+ * Function:
+ * LoopAndRefigureChildren
+ *
+ * Parameters:
+ * pw - paned widget
+ * paneindex - number of the pane border we are moving
+ * dir - pane to move (either UpLeftPane or LowRightPane)
+ * sizeused - current amount of space used (used and returned)
+ *
+ * Description:
+ * If we are resizing either the UpleftPane or LowRight Pane loop
+ * through all the children to see if any will allow us to resize them.
+ */
+static void
+LoopAndRefigureChildren(PanedWidget pw, int paneindex, Direction dir,
+ int *sizeused)
+{
+ int pane_size = (int)PaneSize((Widget)pw, IsVert(pw));
+ Boolean shrink = (*sizeused > pane_size);
+
+ if (dir == LowRightPane)
+ paneindex++;
+
+ /* While all panes do not fit properly */
+ while (*sizeused != pane_size) {
+ /*
+ * Choose a pane to resize
+ * First look on the Pane Stack, and then go hunting for another one
+ * If we fail to find a pane to resize then give up
+ */
+ Pane pane;
+ int start_size;
+ Dimension old;
+ Boolean rule3_ok = False, from_stack = True;
+
+ GetPaneStack(pw, shrink, &pane, &start_size);
+ if (pane == NULL) {
+ pane = ChoosePaneToResize(pw, paneindex, dir, shrink);
+ if (pane == NULL)
+ return; /* no one to resize, give up */
+
+ rule3_ok = SatisfiesRule3(pane, shrink);
+ from_stack = False;
+ PushPaneStack(pw, pane);
+ }
+
+ /*
+ * Try to resize this pane so that all panes will fit, take min and max
+ * into account
+ */
+ old = pane->size;
+ pane->size += pane_size - *sizeused;
+
+ if (from_stack) {
+ if (shrink) {
+ AssignMax(pane->size, start_size);
+ } /* don't remove these braces */
+ else
+ AssignMin(pane->size, start_size);
+
+ if (pane->size == start_size)
+ (void)PopPaneStack(pw);
+ }
+ else if (rule3_ok) {
+ if (shrink) {
+ AssignMax(pane->size, (int)pane->wp_size);
+ } /* don't remove these braces */
+ else
+ AssignMin(pane->size, (int)pane->wp_size);
+ }
+
+ pane->paned_adjusted_me = pane->size != pane->wp_size;
+ AssignMax(pane->size, (int)pane->min);
+ AssignMin(pane->size, (int)pane->max);
+ *sizeused += (pane->size - old);
+ }
+}
+
+/*
+ * Function:
+ * RefigureLocations
+ *
+ * Parameters:
+ * pw - paned widget
+ * paneindex - child to start refiguring at
+ * dir - direction to move from child
+ *
+ * Description:
+ * Refigures all locations of children.
+ * There are special arguments to paneindex and dir, they are:
+ * paneindex - NO_INDEX.
+ * dir - AnyPane.
+ *
+ * If either of these is true then all panes may be resized and
+ * the choosing of panes procedes in reverse order starting with the
+ * last child.
+ */
+static void
+RefigureLocations(PanedWidget pw, int paneindex, Direction dir)
+{
+ Widget *childP;
+ int pane_size = (int)PaneSize((Widget)pw, IsVert(pw));
+ int sizeused = 0;
+ Position loc = 0;
+
+ if (pw->paned.num_panes == 0 || !pw->paned.refiguremode)
+ return;
+
+ /*
+ * Get an initial estimate of the size we will use
+ */
+ ForAllPanes(pw, childP) {
+ Pane pane = PaneInfo(*childP);
+
+ AssignMax(pane->size, (int) pane->min);
+ AssignMin(pane->size, (int) pane->max);
+ sizeused += (int)pane->size + (int)pw->paned.internal_bw;
+ }
+ sizeused -= (int)pw->paned.internal_bw;
+
+ if (dir != ThisBorderOnly && sizeused != pane_size)
+ LoopAndRefigureChildren(pw, paneindex, dir, &sizeused);
+
+ /*
+ * If we still are not the right size, then tell the pane that
+ * wanted to resize that it can't
+ */
+ if (paneindex != NO_INDEX && dir != AnyPane) {
+ Pane pane = PaneInfo(*(pw->composite.children + paneindex));
+ Dimension old = pane->size;
+
+ pane->size += pane_size - sizeused;
+ AssignMax(pane->size, (int) pane->min);
+ AssignMin(pane->size, (int) pane->max);
+ sizeused += pane->size - old;
+ }
+
+ /*
+ * It is possible that the panes will not fit inside the vpaned widget, but
+ * we have tried out best
+ *
+ * Assign each pane a location
+ */
+ ForAllPanes(pw, childP) {
+ PaneInfo(*childP)->delta = loc;
+ loc += PaneInfo(*childP)->size + pw->paned.internal_bw;
+ }
+}
+
+/*
+ * Function:
+ * CommitNewLocations
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Commits all of the previously figured locations.
+ */
+static void
+CommitNewLocations(PanedWidget pw)
+{
+ Widget *childP;
+ XWindowChanges changes;
+
+ changes.stack_mode = Above;
+
+ ForAllPanes(pw, childP) {
+ Pane pane = PaneInfo(*childP);
+ Widget grip = pane->grip; /* may be NULL */
+
+ if (IsVert(pw)) {
+ XtMoveWidget(*childP, (Position) 0, pane->delta);
+ XtResizeWidget(*childP, XtWidth(pw), pane->size, 0);
+
+ if (HasGrip(*childP)) { /* Move and Display the Grip */
+ changes.x = XtWidth(pw) - pw->paned.grip_indent -
+ XtWidth(grip) - (XtBorderWidth(grip) << 1);
+ changes.y = XtY(*childP) + XtHeight(*childP) -
+ (XtHeight(grip) >> 1) - XtBorderWidth(grip) +
+ (pw->paned.internal_bw >> 1);
+ }
+ }
+ else {
+ XtMoveWidget(*childP, pane->delta, 0);
+ XtResizeWidget(*childP, pane->size, XtHeight(pw), 0);
+
+ if (HasGrip(*childP)) { /* Move and Display the Grip */
+ changes.x = XtX(*childP) + XtWidth(*childP) -
+ (XtWidth(grip) >> 1) - XtBorderWidth(grip) +
+ (pw->paned.internal_bw >> 1);
+ changes.y = XtHeight(pw) - pw->paned.grip_indent -
+ XtHeight(grip) - (XtBorderWidth(grip) << 1);
+ }
+ }
+
+ /*
+ * This should match XtMoveWidget, except that we're also insuring the
+ * grip is Raised in the same request
+ */
+
+ if (HasGrip(*childP)) {
+ XtX(grip) = changes.x;
+ XtY(grip) = changes.y;
+
+ if (XtIsRealized(pane->grip))
+ XConfigureWindow(XtDisplay(pane->grip), XtWindow(pane->grip),
+ CWX | CWY | CWStackMode, &changes);
+ }
+ }
+ ClearPaneStack(pw);
+}
+
+/*
+ * Function:
+ * RefigureLocationsAndCommit
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Refigures all locations in a paned widget and commits them immediately.
+ *
+ * This function does nothing if any of the following are true.
+ * o refiguremode is false.
+ * o The widget is unrealized.
+ * o There are no panes is the paned widget.
+ */
+static void
+RefigureLocationsAndCommit(Widget w)
+{
+ PanedWidget pw = (PanedWidget)w;
+
+ if (pw->paned.refiguremode && XtIsRealized(w) && pw->paned.num_panes > 0) {
+ RefigureLocations(pw, NO_INDEX, AnyPane);
+ CommitNewLocations(pw);
+ }
+}
+
+/*
+ * Function:
+ * _DrawRect
+ *
+ * Parameters:
+ * pw - paned widget
+ * gc - gc to used for the draw
+ * on_olc - location of upper left corner of rect
+ * off_loc - ""
+ * on_size - size of rectangle
+ * off_size - ""
+ *
+ * Description:
+ * Draws a rectangle in the proper orientation.
+ */
+static void
+_DrawRect(PanedWidget pw, GC gc, int on_loc, int off_loc,
+ unsigned int on_size, unsigned int off_size)
+{
+ if (IsVert(pw))
+ XFillRectangle(XtDisplay((Widget)pw), XtWindow((Widget)pw), gc,
+ off_loc, on_loc, off_size, on_size);
+ else
+ XFillRectangle(XtDisplay((Widget)pw), XtWindow((Widget)pw), gc,
+ on_loc, off_loc, on_size, off_size);
+}
+
+/*
+ * Function:
+ * _DrawInternalBorders
+ *
+ * Parameters:
+ * pw - paned widget
+ * gc - GC to use to draw the borders
+ *
+ * Description:
+ * Draws the internal borders into the paned widget.
+ */
+static void
+_DrawInternalBorders(PanedWidget pw, GC gc)
+{
+ Widget *childP;
+ int on_loc, off_loc;
+ unsigned int on_size, off_size;
+
+ /*
+ * This is an optimization. Do not paint the internal borders if
+ * they are the same color as the background
+ */
+ if (pw->core.background_pixel == pw->paned.internal_bp)
+ return;
+
+ off_loc = 0;
+ off_size = (unsigned int) PaneSize((Widget)pw, !IsVert(pw));
+ on_size = (unsigned int)pw->paned.internal_bw;
+
+ ForAllPanes(pw, childP) {
+ on_loc = IsVert(pw) ? XtY(*childP) : XtX(*childP);
+ on_loc -= (int)on_size;
+
+ _DrawRect(pw, gc, on_loc, off_loc, on_size, off_size);
+ }
+}
+
+#define DrawInternalBorders(pw) \
+ _DrawInternalBorders((pw), (pw)->paned.normgc)
+#define EraseInternalBorders(pw) \
+ _DrawInternalBorders((pw), (pw)->paned.invgc)
+/*
+ * Function Name:
+ * _DrawTrackLines
+ *
+ * Parameters:
+ * pw - Paned widget
+ * erase - if True then just erase track lines, else draw them in
+ *
+ * Description:
+ * Draws the lines that animate the pane borders when the grips are moved.
+ */
+static void
+_DrawTrackLines(PanedWidget pw, Bool erase)
+{
+ Widget *childP;
+ Pane pane;
+ int on_loc, off_loc;
+ unsigned int on_size, off_size;
+
+ off_loc = 0;
+ off_size = PaneSize((Widget)pw, !IsVert(pw));
+
+ ForAllPanes(pw, childP) {
+ pane = PaneInfo(*childP);
+ if (erase || pane->olddelta != pane->delta) {
+ on_size = pw->paned.internal_bw;
+ if (!erase) {
+ on_loc = PaneInfo(*childP)->olddelta - (int) on_size;
+ _DrawRect(pw, pw->paned.flipgc,
+ on_loc, off_loc, on_size, off_size);
+ }
+
+ on_loc = PaneInfo(*childP)->delta - (int)on_size;
+
+ _DrawRect(pw, pw->paned.flipgc,
+ on_loc, off_loc, on_size, off_size);
+
+ pane->olddelta = pane->delta;
+ }
+ }
+}
+
+#define DrawTrackLines(pw) _DrawTrackLines((pw), False);
+#define EraseTrackLines(pw) _DrawTrackLines((pw), True);
+/*
+ * Function:
+ * GetEventLocation
+ *
+ * Parameters:
+ * pw - the paned widget
+ * event - pointer to an event
+ *
+ * Description:
+ * Converts and event to an x and y location.
+ *
+ * Returns:
+ * if this is a vertical pane then (y) else (x)
+ */
+static int
+GetEventLocation(PanedWidget pw, XEvent *event)
+{
+ int x, y;
+
+ switch (event->xany.type) {
+ case ButtonPress:
+ case ButtonRelease:
+ x = event->xbutton.x_root;
+ y = event->xbutton.y_root;
+ break;
+ case KeyPress:
+ case KeyRelease:
+ x = event->xkey.x_root;
+ y = event->xkey.y_root;
+ break;
+ case MotionNotify:
+ x = event->xmotion.x_root;
+ y = event->xmotion.y_root;
+ break;
+ default:
+ x = pw->paned.start_loc;
+ y = pw->paned.start_loc;
+ }
+
+ if (IsVert(pw))
+ return (y);
+
+ return (x);
+}
+
+/*
+ * Function:
+ * StartGripAdjustment
+ *
+ * Parameters:
+ * pw - paned widget
+ * grip - grip widget selected
+ * dir - direction that we are to be moving
+ *
+ * Description:
+ * Starts the grip adjustment procedure.
+ */
+static void
+StartGripAdjustment(PanedWidget pw, Widget grip, Direction dir)
+{
+ Widget *childP;
+ Cursor cursor;
+
+ pw->paned.whichadd = pw->paned.whichsub = NULL;
+
+ if (dir == ThisBorderOnly || dir == UpLeftPane)
+ pw->paned.whichadd = pw->composite.children[PaneIndex(grip)];
+ if (dir == ThisBorderOnly || dir == LowRightPane)
+ pw->paned.whichsub = pw->composite.children[PaneIndex(grip) + 1];
+
+ /*
+ * Change the cursor
+ */
+ if (XtIsRealized(grip)) {
+ if (IsVert(pw)) {
+ if (dir == UpLeftPane)
+ cursor = pw->paned.adjust_upper_cursor;
+ else if (dir == LowRightPane)
+ cursor = pw->paned.adjust_lower_cursor;
+ else {
+ if (pw->paned.adjust_this_cursor == None)
+ cursor = pw->paned.v_adjust_this_cursor;
+ else
+ cursor = pw->paned.adjust_this_cursor;
+ }
+ }
+ else {
+ if (dir == UpLeftPane)
+ cursor = pw->paned.adjust_left_cursor;
+ else if (dir == LowRightPane)
+ cursor = pw->paned.adjust_right_cursor;
+ else {
+ if (pw->paned.adjust_this_cursor == None)
+ cursor = pw->paned.h_adjust_this_cursor;
+ else
+ cursor = pw->paned.adjust_this_cursor;
+ }
+ }
+
+ XDefineCursor(XtDisplay(grip), XtWindow(grip), cursor);
+ }
+
+ EraseInternalBorders(pw);
+ ForAllPanes(pw, childP)
+ PaneInfo(*childP)->olddelta = -99;
+
+ EraseTrackLines(pw);
+}
+
+/*
+ * Function:
+ * MoveGripAdjustment
+ *
+ * Parameters:
+ * pw - paned widget
+ * grip - grip that we are moving
+ * dir - direction the pane we are interested is w.r.t the grip
+ * loc - location of pointer in proper direction
+ *
+ * Description:
+ * This routine moves all panes around when a grip is moved.
+ */
+static void
+MoveGripAdjustment(PanedWidget pw, Widget grip, Direction dir, int loc)
+{
+ int diff, add_size = 0, sub_size = 0;
+
+ diff = loc - pw->paned.start_loc;
+
+ if (pw->paned.whichadd)
+ add_size = PaneSize(pw->paned.whichadd, IsVert(pw)) + diff;
+
+ if (pw->paned.whichsub)
+ sub_size = PaneSize(pw->paned.whichsub, IsVert(pw)) - diff;
+
+ /*
+ * If moving this border only then do not allow either of the borders
+ * to go beyond the min or max size allowed
+ */
+ if (dir == ThisBorderOnly) {
+ int old_add_size = add_size, old_sub_size;
+
+ AssignMax(add_size, (int)PaneInfo(pw->paned.whichadd)->min);
+ AssignMin(add_size, (int)PaneInfo(pw->paned.whichadd)->max);
+ if (add_size != old_add_size)
+ sub_size += old_add_size - add_size;
+
+ old_sub_size = sub_size;
+ AssignMax(sub_size, (int)PaneInfo(pw->paned.whichsub)->min);
+ AssignMin(sub_size, (int)PaneInfo(pw->paned.whichsub)->max);
+ if (sub_size != old_sub_size)
+ return; /* Abort to current sizes */
+ }
+
+ if (add_size != 0)
+ PaneInfo(pw->paned.whichadd)->size = add_size;
+ if (sub_size != 0)
+ PaneInfo(pw->paned.whichsub)->size = sub_size;
+ RefigureLocations(pw, PaneIndex(grip), dir);
+ DrawTrackLines(pw);
+}
+
+/*
+ * Function:
+ * CommitGripAdjustment
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Commits the grip adjustment.
+ */
+static void
+CommitGripAdjustment(PanedWidget pw)
+{
+ EraseTrackLines(pw);
+ CommitNewLocations(pw);
+ DrawInternalBorders(pw);
+
+ /*
+ * Since the user selected this size then use it as the preferred size
+ */
+ if (pw->paned.whichadd) {
+ Pane pane = PaneInfo(pw->paned.whichadd);
+
+ pane->wp_size = pane->size;
+ }
+ if (pw->paned.whichsub) {
+ Pane pane = PaneInfo(pw->paned.whichsub);
+
+ pane->wp_size = pane->size;
+ }
+}
+
+/*
+ * Function:
+ * HandleGrip
+ *
+ * Parameters:
+ * grip - grip widget that has been moved
+ * temp - (not used)
+ * call_data - data passed to us from the grip widget
+ *
+ * Description:
+ * Handles the grip manipulations.
+ */
+/*ARGSUSED*/
+static void
+HandleGrip(Widget grip, XtPointer temp, XtPointer callData)
+{
+ XawGripCallData call_data = (XawGripCallData)callData;
+ PanedWidget pw = (PanedWidget) XtParent(grip);
+ int loc;
+ char action_type[2], direction[2];
+ Cursor cursor;
+ Arg arglist[1];
+
+ if (call_data->num_params)
+ XmuNCopyISOLatin1Uppered(action_type, call_data->params[0],
+ sizeof(action_type));
+
+ if (call_data->num_params == 0
+ || (action_type[0] == 'C' && call_data->num_params != 1)
+ || (action_type[0] != 'C' && call_data->num_params != 2))
+ XtAppError(XtWidgetToApplicationContext(grip),
+ "Paned GripAction has been passed incorrect parameters.");
+
+ loc = GetEventLocation(pw, (XEvent *)call_data->event);
+
+ if (action_type[0] != 'C')
+ XmuNCopyISOLatin1Uppered(direction, call_data->params[1],
+ sizeof(direction));
+
+ switch (action_type[0]) {
+ case 'S': /* Start adjustment */
+ pw->paned.resize_children_to_pref = False;
+ StartGripAdjustment(pw, grip, (Direction)direction[0]);
+ pw->paned.start_loc = loc;
+ break;
+ case 'M':
+ MoveGripAdjustment(pw, grip, (Direction)direction[0], loc);
+ break;
+ case 'C':
+ XtSetArg(arglist[0], XtNcursor, &cursor);
+ XtGetValues(grip, arglist, 1);
+ XDefineCursor(XtDisplay(grip), XtWindow(grip), cursor);
+ CommitGripAdjustment(pw);
+ break;
+ default:
+ XtAppError(XtWidgetToApplicationContext(grip),
+ "Paned GripAction(); 1st parameter invalid");
+ break;
+ }
+}
+
+/*
+ * Function:
+ * ResortChildren
+ *
+ * Arguments:
+ * pw - paned widget
+ *
+ * Description:
+ * Resorts the children so that all managed children are first.
+ */
+static void
+ResortChildren(PanedWidget pw)
+{
+ Widget *unmanagedP, *childP;
+
+ unmanagedP = NULL;
+ ForAllChildren(pw, childP) {
+ if (!IsPane(*childP) || !XtIsManaged(*childP)) {
+ /*
+ * We only keep track of the first unmanaged pane
+ */
+ if (unmanagedP == NULL)
+ unmanagedP = childP;
+ }
+ else { /* must be a managed pane */
+ /*
+ * If an earlier widget was not a managed pane, then swap
+ */
+ if (unmanagedP != NULL) {
+ Widget child = *unmanagedP;
+
+ *unmanagedP = *childP;
+ *childP = child;
+ childP = unmanagedP; /* easiest to just back-track */
+ unmanagedP = NULL; /* in case there is another managed */
+ }
+ }
+ }
+}
+
+/*
+ * Function:
+ * ManageAndUnmanageGrips
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * This function manages and unmanages the grips so that
+ * the managed state of each grip matches that of its pane.
+ */
+static void
+ManageAndUnmanageGrips(PanedWidget pw)
+{
+ WidgetList managed_grips, unmanaged_grips;
+ Widget *managedP, *unmanagedP, *childP;
+ Cardinal alloc_size;
+
+ alloc_size = sizeof(Widget) * (pw->composite.num_children >> 1);
+ managedP = managed_grips = (WidgetList)XtMalloc(alloc_size);
+ unmanagedP = unmanaged_grips = (WidgetList)XtMalloc(alloc_size);
+
+ ForAllChildren(pw, childP)
+ if (IsPane(*childP) && HasGrip(*childP)) {
+ if (XtIsManaged(*childP))
+ *managedP++ = PaneInfo(*childP)->grip;
+ else
+ *unmanagedP++ = PaneInfo(*childP)->grip;
+ }
+
+ if (managedP != managed_grips) {
+ *unmanagedP++ = *--managedP; /* Last grip is never managed */
+ XtManageChildren(managed_grips, managedP - managed_grips);
+ }
+
+ if (unmanagedP != unmanaged_grips)
+ XtUnmanageChildren(unmanaged_grips, unmanagedP - unmanaged_grips);
+
+ XtFree((char *)managed_grips);
+ XtFree((char *)unmanaged_grips);
+}
+
+/*
+ * Function:
+ * CreateGrip
+ *
+ * Parameters:
+ * child - child that wants a grip to be created for it
+ *
+ * Description:
+ * Creates a grip widget.
+ */
+static void
+CreateGrip(Widget child)
+{
+ PanedWidget pw = (PanedWidget)XtParent(child);
+ Arg arglist[2];
+ Cardinal num_args = 0;
+ Cursor cursor;
+
+ XtSetArg(arglist[num_args], XtNtranslations, pw->paned.grip_translations);
+ num_args++;
+ if ((cursor = pw->paned.grip_cursor) == None) {
+ if (IsVert(pw))
+ cursor = pw->paned.v_grip_cursor;
+ else
+ cursor = pw->paned.h_grip_cursor;
+ }
+
+ XtSetArg(arglist[num_args], XtNcursor, cursor);
+ num_args++;
+ PaneInfo(child)->grip = XtCreateWidget("grip", gripWidgetClass, (Widget)pw,
+ arglist, num_args);
+
+ XtAddCallback(PaneInfo(child)->grip, XtNcallback,
+ HandleGrip, (XtPointer)child);
+}
+
+/*
+ * Function:
+ * GetGCs
+ *
+ * Parameters:
+ * w - paned widget
+ */
+static void
+GetGCs(Widget w)
+{
+ PanedWidget pw = (PanedWidget)w;
+ XtGCMask valuemask;
+ XGCValues values;
+
+ /*
+ * Draw pane borders in internal border color
+ */
+ values.foreground = pw->paned.internal_bp;
+ valuemask = GCForeground;
+ pw->paned.normgc = XtGetGC(w, valuemask, &values);
+
+ /*
+ * Erase pane borders with background color
+ */
+ values.foreground = pw->core.background_pixel;
+ valuemask = GCForeground;
+ pw->paned.invgc = XtGetGC(w, valuemask, &values);
+
+ /*
+ * Draw Track lines (animate pane borders) in
+ * internal border color ^ bg color
+ */
+ values.function = GXinvert;
+ values.plane_mask = pw->paned.internal_bp ^ pw->core.background_pixel;
+ values.subwindow_mode = IncludeInferiors;
+ valuemask = GCPlaneMask | GCFunction | GCSubwindowMode;
+ pw->paned.flipgc = XtGetGC(w, valuemask, &values);
+}
+
+/*
+ * Function:
+ * SetChildrenPrefSizes
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Sets the preferred sizes of the children.
+ */
+static void
+SetChildrenPrefSizes(PanedWidget pw, unsigned int off_size)
+{
+ Widget *childP;
+ Boolean vert = IsVert(pw);
+ XtWidgetGeometry request, reply;
+
+ ForAllPanes(pw, childP)
+ if (pw->paned.resize_children_to_pref || PaneInfo(*childP)->size == 0 ||
+ PaneInfo(*childP)->resize_to_pref) {
+ if (PaneInfo(*childP)->preferred_size != PANED_ASK_CHILD)
+ PaneInfo(*childP)->wp_size = PaneInfo(*childP)->preferred_size;
+ else {
+ if(vert) {
+ request.request_mode = CWWidth;
+ request.width = off_size;
+ }
+ else {
+ request.request_mode = CWHeight;
+ request.height = off_size;
+ }
+
+ if ((XtQueryGeometry(*childP, &request, &reply)
+ == XtGeometryAlmost)
+ && (reply.request_mode = (vert ? CWHeight : CWWidth)))
+ PaneInfo(*childP)->wp_size = GetRequestInfo(&reply, vert);
+ else
+ PaneInfo(*childP)->wp_size = PaneSize(*childP, vert);
+ }
+
+ PaneInfo(*childP)->size = PaneInfo(*childP)->wp_size;
+ }
+}
+
+/*
+ * Function:
+ * ChangeAllGripCursors
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Changes all the grip cursors.
+ */
+static void
+ChangeAllGripCursors(PanedWidget pw)
+{
+ Widget *childP;
+
+ ForAllPanes(pw, childP) {
+ Arg arglist[1];
+ Cursor cursor;
+
+ if ((cursor = pw->paned.grip_cursor) == None) {
+ if (IsVert(pw))
+ cursor = pw->paned.v_grip_cursor;
+ else
+ cursor = pw->paned.h_grip_cursor;
+ }
+
+ if (HasGrip(*childP)) {
+ XtSetArg(arglist[0], XtNcursor, cursor);
+ XtSetValues(PaneInfo(*childP)->grip, arglist, 1);
+ }
+ }
+}
+
+/*
+ * Function:
+ * PushPaneStack
+ *
+ * Parameters:
+ * pw - paned widget
+ * pane - pane that we are pushing
+ *
+ * Description:
+ * Pushes a value onto the pane stack.
+ */
+static void
+PushPaneStack(PanedWidget pw, Pane pane)
+{
+ PaneStack *stack = (PaneStack *)XtMalloc(sizeof(PaneStack));
+
+ stack->next = pw->paned.stack;
+ stack->pane = pane;
+ stack->start_size = pane->size;
+
+ pw->paned.stack = stack;
+}
+
+/*
+ * Function:
+ * GetPaneStack
+ *
+ * Parameters:
+ * pw - paned widget
+ * shrink - True if we want to shrink this pane, False otherwise
+ * pane - pane that we are popping (return)
+ * start_size - size that this pane started at (return)
+ *
+ * Description:
+ * Gets the top value from the pane stack.
+ */
+static void
+GetPaneStack(PanedWidget pw, Bool shrink, Pane *pane, int *start_size)
+{
+ if (pw->paned.stack == NULL) {
+ *pane = NULL;
+ return;
+ }
+
+ *pane = pw->paned.stack->pane;
+ *start_size = pw->paned.stack->start_size;
+
+ if (shrink != ((*pane)->size > *start_size))
+ *pane = NULL;
+}
+
+/*
+ * Function:
+ * PopPaneStack
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Pops the top item off the pane stack.
+ *
+ * Returns: True if this is not the last element on the stack
+ */
+static Bool
+PopPaneStack(PanedWidget pw)
+{
+ PaneStack *stack = pw->paned.stack;
+
+ if (stack == NULL)
+ return (False);
+
+ pw->paned.stack = stack->next;
+ XtFree((char *)stack);
+
+ if (pw->paned.stack == NULL)
+ return (False);
+
+ return (True);
+}
+
+/*
+ * Function:
+ * ClearPaneStack
+ *
+ * Parameters:
+ * pw - paned widget
+ *
+ * Description:
+ * Removes all entries from the pane stack.
+ */
+static void
+ClearPaneStack(PanedWidget pw)
+{
+ while(PopPaneStack(pw))
+ ;
+}
+
+static void
+XawPanedClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtROrientation, XmuCvtStringToOrientation,
+ NULL, 0);
+ XtSetTypeConverter(XtROrientation, XtRString, XmuCvtOrientationToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/* The Geometry Manager only allows changes after Realize if
+ * allow_resize is True in the constraints record.
+ *
+ * For vertically paned widgets:
+ *
+ * It only allows height changes, but offers the requested height
+ * as a compromise if both width and height changes were requested.
+ *
+ * For horizontal widgets the converse is true.
+ * As all good Geometry Managers should, we will return No if the
+ * request will have no effect; i.e. when the requestor is already
+ * of the desired geometry.
+ */
+static XtGeometryResult
+XawPanedGeometryManager(Widget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ PanedWidget pw = (PanedWidget)XtParent(w);
+ XtGeometryMask mask = request->request_mode;
+ Dimension old_size, old_wpsize, old_paned_size;
+ Pane pane = PaneInfo(w);
+ Boolean vert = IsVert(pw);
+ Dimension on_size, off_size;
+ XtGeometryResult result;
+ Boolean almost = False;
+
+ /*
+ * If any of the following is true, disallow the geometry change
+ *
+ * o The paned widget is realized and allow_resize is false for the pane
+ * o The child did not ask to change the on_size
+ * o The request is not a width or height request
+ * o The requested size is the same as the current size
+ */
+
+ if ((XtIsRealized((Widget)pw) && !pane->allow_resize)
+ || !(mask & (vert ? CWHeight : CWWidth))
+ ||(mask & ~(CWWidth | CWHeight))
+ || GetRequestInfo(request, vert) == PaneSize(w, vert))
+ return (XtGeometryNo);
+
+ old_paned_size = PaneSize((Widget)pw, vert);
+ old_wpsize = pane->wp_size;
+ old_size = pane->size;
+
+ pane->wp_size = pane->size = GetRequestInfo(request, vert);
+
+ AdjustPanedSize(pw, PaneSize((Widget)pw, !vert), &result, &on_size,
+ &off_size);
+
+ /*
+ * Fool the Refigure Locations proc to thinking that we are
+ * a different on_size
+ */
+
+ if (result != XtGeometryNo) {
+ if (vert)
+ XtHeight(pw) = on_size;
+ else
+ XtWidth(pw) = on_size;
+ }
+
+ RefigureLocations(pw, PaneIndex(w), AnyPane);
+
+ /*
+ * Set up reply struct and reset core on_size
+ */
+ if (vert) {
+ XtHeight(pw) = old_paned_size;
+ reply->height = pane->size;
+ reply->width = off_size;
+ }
+ else {
+ XtWidth(pw) = old_paned_size;
+ reply->height = off_size;
+ reply->width = pane->size;
+ }
+
+ /*
+ * IF either of the following is true
+ *
+ * o There was a "off_size" request and the new "off_size" is different
+ * from that requested
+ * o There was no "off_size" request and the new "off_size" is different
+ *
+ * o The "on_size" we will allow is different from that requested
+ *
+ * THEN: set almost
+ */
+ if (!((vert ? CWWidth : CWHeight) & mask)) {
+ if (vert)
+ request->width = XtWidth(w);
+ else
+ request->height = XtHeight(w);
+ }
+
+ almost = GetRequestInfo(request, !vert) != GetRequestInfo(reply, !vert);
+ almost |= (GetRequestInfo(request, vert) != GetRequestInfo(reply, vert));
+
+ if ((mask & XtCWQueryOnly) || almost) {
+ pane->wp_size = old_wpsize;
+ pane->size = old_size;
+ RefigureLocations(pw, PaneIndex(w), AnyPane);
+ reply->request_mode = CWWidth | CWHeight;
+ if (almost)
+ return (XtGeometryAlmost);
+ }
+ else {
+ AdjustPanedSize(pw, PaneSize((Widget) pw, !vert), NULL, NULL, NULL);
+ CommitNewLocations(pw); /* layout already refigured */
+ }
+
+ return (XtGeometryDone);
+}
+
+/*ARGSUSED*/
+static void
+XawPanedInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ PanedWidget pw = (PanedWidget)cnew;
+
+ GetGCs((Widget)pw);
+
+ pw->paned.recursively_called = False;
+ pw->paned.stack = NULL;
+ pw->paned.resize_children_to_pref = True;
+ pw->paned.num_panes = 0;
+}
+
+static void
+XawPanedRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
+{
+ PanedWidget pw = (PanedWidget)w;
+ Widget *childP;
+
+ if ((attributes->cursor = pw->paned.cursor) != None)
+ *valueMask |= CWCursor;
+
+ (*SuperClass->core_class.realize)(w, valueMask, attributes);
+
+ /*
+ * Before we commit the new locations we need to realize all the panes and
+ * their grips
+ */
+ ForAllPanes(pw, childP) {
+ XtRealizeWidget(*childP);
+ if (HasGrip(*childP))
+ XtRealizeWidget(PaneInfo(*childP)->grip);
+ }
+
+ RefigureLocationsAndCommit(w);
+ pw->paned.resize_children_to_pref = False;
+}
+
+static void
+XawPanedDestroy(Widget w)
+{
+ ReleaseGCs(w);
+}
+
+static void
+ReleaseGCs(Widget w)
+{
+ PanedWidget pw = (PanedWidget)w;
+
+ XtReleaseGC(w, pw->paned.normgc);
+ XtReleaseGC(w, pw->paned.invgc);
+ XtReleaseGC(w, pw->paned.flipgc);
+}
+
+static void
+XawPanedInsertChild(Widget w)
+{
+ Pane pane = PaneInfo(w);
+
+ /* insert the child widget in the composite children list with the
+ superclass insert_child routine
+ */
+ (*SuperClass->composite_class.insert_child)(w);
+
+ if (!IsPane(w))
+ return;
+
+ if (pane->show_grip == True) {
+ CreateGrip(w);
+ if (pane->min == PANED_GRIP_SIZE)
+ pane->min = PaneSize(pane->grip, IsVert((PanedWidget)XtParent(w)));
+ }
+ else {
+ if (pane->min == PANED_GRIP_SIZE)
+ pane->min = 1;
+ pane->grip = NULL;
+ }
+
+ pane->size = 0;
+ pane->paned_adjusted_me = False;
+}
+
+static void
+XawPanedDeleteChild(Widget w)
+{
+ /* remove the subwidget info and destroy the grip */
+ if (IsPane(w) && HasGrip(w))
+ XtDestroyWidget(PaneInfo(w)->grip);
+
+ /* delete the child widget in the composite children list with the
+ superclass delete_child routine
+ */
+ (*SuperClass->composite_class.delete_child)(w);
+}
+
+static void
+XawPanedChangeManaged(Widget w)
+{
+ PanedWidget pw = (PanedWidget)w;
+ Boolean vert = IsVert(pw);
+ Dimension size;
+ Widget *childP;
+
+ if (pw->paned.recursively_called++)
+ return;
+
+ /*
+ * If the size is zero then set it to the size of the widest or tallest pane
+ */
+
+ if ((size = PaneSize((Widget)pw, !vert)) == 0) {
+ size = 1;
+ ForAllChildren(pw, childP)
+ if (XtIsManaged(*childP) && (PaneSize(*childP, !vert) > size))
+ size = PaneSize(*childP, !vert);
+ }
+
+ ManageAndUnmanageGrips(pw);
+ pw->paned.recursively_called = False;
+ ResortChildren(pw);
+
+ pw->paned.num_panes = 0;
+ ForAllChildren(pw, childP)
+ if (IsPane(*childP)) {
+ if (XtIsManaged(*childP)) {
+ Pane pane = PaneInfo(*childP);
+
+ if (HasGrip(*childP))
+ PaneInfo(pane->grip)->position = pw->paned.num_panes;
+ pane->position = pw->paned.num_panes; /* TEMPORY -CDP 3/89 */
+ pw->paned.num_panes++;
+ }
+ else
+ break; /* This list is already sorted */
+ }
+
+ SetChildrenPrefSizes((PanedWidget) w, size);
+
+ /*
+ * ForAllPanes can now be used
+ */
+ if (PaneSize((Widget) pw, vert) == 0)
+ AdjustPanedSize(pw, size, NULL, NULL, NULL);
+
+ if (XtIsRealized((Widget)pw))
+ RefigureLocationsAndCommit((Widget)pw);
+}
+
+static void
+XawPanedResize(Widget w)
+{
+ SetChildrenPrefSizes((PanedWidget)w,
+ PaneSize(w, !IsVert((PanedWidget)w)));
+ RefigureLocationsAndCommit(w);
+}
+
+/*ARGSUSED*/
+static void
+XawPanedRedisplay(Widget w, XEvent *event, Region region)
+{
+ DrawInternalBorders((PanedWidget)w);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawPanedSetValues(Widget old, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ PanedWidget old_pw = (PanedWidget)old;
+ PanedWidget new_pw = (PanedWidget)cnew;
+ Boolean redisplay = False;
+
+ if ((old_pw->paned.cursor != new_pw->paned.cursor) && XtIsRealized(cnew))
+ XDefineCursor(XtDisplay(cnew), XtWindow(cnew), new_pw->paned.cursor);
+
+ if (old_pw->paned.internal_bp != new_pw->paned.internal_bp ||
+ old_pw->core.background_pixel != new_pw->core.background_pixel) {
+ ReleaseGCs(old);
+ GetGCs(cnew);
+ redisplay = True;
+ }
+
+ if (old_pw->paned.grip_cursor != new_pw->paned.grip_cursor ||
+ old_pw->paned.v_grip_cursor != new_pw->paned.v_grip_cursor ||
+ old_pw->paned.h_grip_cursor != new_pw->paned.h_grip_cursor)
+ ChangeAllGripCursors(new_pw);
+
+ if (IsVert(old_pw) != IsVert(new_pw)) {
+ /*
+ * We are fooling the paned widget into thinking that is needs to
+ * fully refigure everything, which is what we want
+ */
+ if (IsVert(new_pw))
+ XtWidth(new_pw) = 0;
+ else
+ XtHeight(new_pw) = 0;
+
+ new_pw->paned.resize_children_to_pref = True;
+ XawPanedChangeManaged(cnew); /* Seems weird, but does the right thing */
+ new_pw->paned.resize_children_to_pref = False;
+ if (new_pw->paned.grip_cursor == None)
+ ChangeAllGripCursors(new_pw);
+ return (True);
+ }
+
+ if (old_pw->paned.internal_bw != new_pw->paned.internal_bw) {
+ AdjustPanedSize(new_pw, PaneSize(cnew, !IsVert(old_pw)),
+ NULL, NULL, NULL);
+ RefigureLocationsAndCommit(cnew);
+ return (True); /* We have done a full configuration, return */
+ }
+
+ if (old_pw->paned.grip_indent != new_pw->paned.grip_indent &&
+ XtIsRealized(cnew)) {
+ CommitNewLocations(new_pw);
+ redisplay = True;
+ }
+
+ return (redisplay);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawPanedPaneSetValues(Widget old, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ Pane old_pane = PaneInfo(old);
+ Pane new_pane = PaneInfo(cnew);
+ Boolean redisplay = False;
+
+ /* Check for new min and max */
+ if (old_pane->min != new_pane->min || old_pane->max != new_pane->max)
+ XawPanedSetMinMax(cnew, (int)new_pane->min, (int)new_pane->max);
+
+ /* Check for change in XtNshowGrip */
+ if (old_pane->show_grip != new_pane->show_grip) {
+ if (new_pane->show_grip == True) {
+ CreateGrip(cnew);
+ if (XtIsRealized(XtParent(cnew))) {
+ if (XtIsManaged(cnew)) /* if paned is unrealized this will
+ happen automatically at realize time
+ */
+ XtManageChild(PaneInfo(cnew)->grip); /* manage the grip */
+ XtRealizeWidget(PaneInfo(cnew)->grip); /* realize the grip */
+ CommitNewLocations((PanedWidget)XtParent(cnew));
+ }
+ }
+ else if (HasGrip(old)) {
+ XtDestroyWidget(old_pane->grip);
+ new_pane->grip = NULL;
+ redisplay = True;
+ }
+ }
+
+ return (redisplay);
+}
+
+/*
+ * Public routines
+ */
+/*
+ * Function:
+ * XawPanedSetMinMax
+ *
+ * Parameters:
+ * widget - widget that is a child of the Paned widget
+ * min - new min and max size for the pane
+ * max - ""
+ *
+ * Description:
+ * Sets the min and max size for a pane.
+ */
+void
+XawPanedSetMinMax(Widget widget, int min, int max)
+{
+ Pane pane = PaneInfo(widget);
+
+ pane->min = min;
+ pane->max = max;
+ RefigureLocationsAndCommit(widget->core.parent);
+}
+
+/*
+ * Function:
+ * XawPanedGetMinMax
+ *
+ * Parameters:
+ * widget - widget that is a child of the Paned widget
+ * min - current min and max size for the pane (return)
+ * max - ""
+ *
+ * Description:
+ * Gets the min and max size for a pane.
+ */
+void
+XawPanedGetMinMax(Widget widget, int *min, int *max)
+{
+ Pane pane = PaneInfo(widget);
+
+ *min = pane->min;
+ *max = pane->max;
+}
+
+/*
+ * Function:
+ * XawPanedSetRefigureMode
+ *
+ * Parameters:
+ * w - paned widget
+ * mode - if False then inhibit refigure
+ *
+ * Description:
+ * Allows a flag to be set the will inhibit
+ * the paned widgets relayout routine.
+ */
+void
+XawPanedSetRefigureMode(Widget w,
+#if NeedWidePrototypes
+ int mode
+#else
+ Boolean mode
+#endif
+)
+{
+ ((PanedWidget)w)->paned.refiguremode = mode;
+ RefigureLocationsAndCommit(w);
+}
+
+/*
+ * Function:
+ * XawPanedGetNumSub
+ *
+ * Parameters:
+ * w - paned widget
+ *
+ * Description:
+ * Returns the number of panes in the paned widget.
+ * Returns:
+ * the number of panes in the paned widget
+ */
+int
+XawPanedGetNumSub(Widget w)
+{
+ return (((PanedWidget)w)->paned.num_panes);
+}
+
+/*
+ * Function:
+ * XawPanedAllowResize
+ *
+ * Parameters:
+ * widget - child of the paned widget
+ *
+ * Description:
+ * Allows a flag to be set that determines if the paned
+ * widget will allow geometry requests from this child.
+ */
+void
+XawPanedAllowResize(Widget widget,
+#if NeedWidePrototypes
+ int allow_resize
+#else
+ Boolean allow_resize
+#endif
+)
+{
+ PaneInfo(widget)->allow_resize = allow_resize;
+}
diff --git a/libXaw/src/Panner.c b/libXaw/src/Panner.c index 2ab88f5ed..04c3b4ce1 100644 --- a/libXaw/src/Panner.c +++ b/libXaw/src/Panner.c @@ -1,1079 +1,1079 @@ -/* - * -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - * Author: Jim Fulton, MIT X Consortium - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <ctype.h> -#include <math.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/PannerP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#if defined(ISC) && __STDC__ && !defined(ISC30) -extern double atof(char *); -#else -#include <stdlib.h> /* for atof() */ -#endif - -/* - * Class Methods - */ -static void XawPannerDestroy(Widget); -static void XawPannerInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawPannerQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawPannerRealize(Widget, XtValueMask*, XSetWindowAttributes*); -static void XawPannerRedisplay(Widget, XEvent*, Region); -static void XawPannerResize(Widget); -static Boolean XawPannerSetValues(Widget, Widget, Widget, ArgList, Cardinal*); -static void XawPannerSetValuesAlmost(Widget, Widget, XtWidgetGeometry*, - XtWidgetGeometry*); - -/* - * Prototypes - */ -static void check_knob(PannerWidget, Bool); -static void get_default_size(PannerWidget, Dimension*, Dimension*); -static Bool get_event_xy(PannerWidget, XEvent*, int*, int*); -static void move_shadow(PannerWidget); -static int parse_page_string(char*, int, int, Bool*); -static void rescale(PannerWidget); -static void reset_shadow_gc(PannerWidget); -static void reset_slider_gc(PannerWidget); -static void reset_xor_gc(PannerWidget); -static void scale_knob(PannerWidget, Bool, Bool); - -/* - * Actions - */ -static void ActionAbort(Widget, XEvent*, String*, Cardinal*); -static void ActionMove(Widget, XEvent*, String*, Cardinal*); -static void ActionNotify(Widget, XEvent*, String*, Cardinal*); -static void ActionPage(Widget, XEvent*, String*, Cardinal*); -static void ActionSet(Widget, XEvent*, String*, Cardinal*); -static void ActionStart(Widget, XEvent*, String*, Cardinal*); -static void ActionStop(Widget, XEvent*, String*, Cardinal*); - -/* - * From Xmu/Distinct.c - */ -Bool XmuDistinguishablePixels(Display*, Colormap, unsigned long*, int); - -/* - * Initialization - */ -static char defaultTranslations[] = -"<Btn1Down>:" "start()\n" -"<Btn1Motion>:" "move()\n" -"<Btn1Up>:" "notify() stop()\n" -"<Btn2Down>:" "abort()\n" -":<Key>KP_Enter:" "set(rubberband,toggle)\n" -"<Key>space:" "page(+1p,+1p)\n" -"<Key>Delete:" "page(-1p,-1p)\n" -":<Key>KP_Delete:" "page(-1p,-1p)\n" -"<Key>BackSpace:" "page(-1p,-1p)\n" -"<Key>Left:" "page(-.5p,+0)\n" -":<Key>KP_Left:" "page(-.5p,+0)\n" -"<Key>Right:" "page(+.5p,+0)\n" -":<Key>KP_Right:" "page(+.5p,+0)\n" -"<Key>Up:" "page(+0,-.5p)\n" -":<Key>KP_Up:" "page(+0,-.5p)\n" -"<Key>Down:" "page(+0,+.5p)\n" -":<Key>KP_Down:" "page(+0,+.5p)\n" -"<Key>Home:" "page(0,0)\n" -":<Key>KP_Home:" "page(0,0)\n" -; - -static XtActionsRec actions[] = { - {"start", ActionStart}, /* start tmp graphics */ - {"stop", ActionStop}, /* stop tmp graphics */ - {"abort", ActionAbort}, /* punt */ - {"move", ActionMove}, /* move tmp graphics on Motion event */ - {"page", ActionPage}, /* page around usually from keyboard */ - {"notify", ActionNotify}, /* callback new position */ - {"set", ActionSet}, /* set various parameters */ -}; - -#define offset(field) XtOffsetOf(PannerRec, panner.field) -static XtResource resources[] = { - { - XtNallowOff, - XtCAllowOff, - XtRBoolean, - sizeof(Boolean), - offset(allow_off), - XtRImmediate, - (XtPointer)False - }, - { - XtNresize, - XtCResize, - XtRBoolean, - sizeof(Boolean), - offset(resize_to_pref), - XtRImmediate, - (XtPointer)True - }, - { - XtNreportCallback, - XtCReportCallback, - XtRCallback, - sizeof(XtPointer), - offset(report_callbacks), - XtRCallback, - NULL - }, - { - XtNdefaultScale, - XtCDefaultScale, - XtRDimension, - sizeof(Dimension), - offset(default_scale), - XtRImmediate, - (XtPointer)PANNER_DEFAULT_SCALE - }, - { - XtNrubberBand, - XtCRubberBand, - XtRBoolean, - sizeof(Boolean), - offset(rubber_band), - XtRImmediate, - (XtPointer)False - }, - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(foreground), - XtRString, - (XtPointer)XtDefaultBackground - }, - { - XtNinternalSpace, - XtCInternalSpace, - XtRDimension, - sizeof(Dimension), - offset(internal_border), - XtRImmediate, - (XtPointer)4 - }, - { - XtNlineWidth, - XtCLineWidth, - XtRDimension, - sizeof(Dimension), - offset(line_width), - XtRImmediate, - (XtPointer)0 - }, - { - XtNcanvasWidth, - XtCCanvasWidth, - XtRDimension, - sizeof(Dimension), - offset(canvas_width), - XtRImmediate, - (XtPointer)0 - }, - { - XtNcanvasHeight, - XtCCanvasHeight, - XtRDimension, - sizeof(Dimension), - offset(canvas_height), - XtRImmediate, - (XtPointer)0 - }, - { - XtNsliderX, - XtCSliderX, - XtRPosition, - sizeof(Position), - offset(slider_x), - XtRImmediate, - (XtPointer)0 - }, - { - XtNsliderY, - XtCSliderY, - XtRPosition, - sizeof(Position), - offset(slider_y), - XtRImmediate, - (XtPointer)0 - }, - { - XtNsliderWidth, - XtCSliderWidth, - XtRDimension, - sizeof(Dimension), - offset(slider_width), - XtRImmediate, - (XtPointer)0 - }, - { - XtNsliderHeight, - XtCSliderHeight, - XtRDimension, - sizeof(Dimension), - offset(slider_height), - XtRImmediate, - (XtPointer)0 - }, - { - XtNshadowColor, - XtCShadowColor, - XtRPixel, - sizeof(Pixel), - offset(shadow_color), - XtRString, - (XtPointer)XtDefaultForeground - }, - { - XtNshadowThickness, - XtCShadowThickness, - XtRDimension, - sizeof(Dimension), - offset(shadow_thickness), - XtRImmediate, - (XtPointer)2 - }, - { - XtNbackgroundStipple, - XtCBackgroundStipple, - XtRString, - sizeof(String), - offset(stipple_name), - XtRImmediate, - NULL - }, -}; -#undef offset - -#define Superclass (&simpleClassRec) -PannerClassRec pannerClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Panner", /* class_name */ - sizeof(PannerRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawPannerInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawPannerRealize, /* realize */ - actions, /* actions */ - XtNumber(actions), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawPannerDestroy, /* destroy */ - XawPannerResize, /* resize */ - XawPannerRedisplay, /* expose */ - XawPannerSetValues, /* set_values */ - NULL, /* set_values_hook */ - XawPannerSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XawPannerQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* panner */ - { - NULL, /* extension */ - } -}; - -WidgetClass pannerWidgetClass = (WidgetClass) &pannerClassRec; - - -/* - * Implementation - */ -static void -reset_shadow_gc(PannerWidget pw) -{ - XtGCMask valuemask = GCForeground; - XGCValues values; - unsigned long pixels[3]; - - if (pw->panner.shadow_gc) - XtReleaseGC((Widget)pw, pw->panner.shadow_gc); - - pixels[0] = pw->panner.foreground; - pixels[1] = pw->core.background_pixel; - pixels[2] = pw->panner.shadow_color; - - if (!pw->panner.stipple_name && - !XmuDistinguishablePixels(XtDisplay(pw), pw->core.colormap, - pixels, 3) && - XmuDistinguishablePixels(XtDisplay(pw), pw->core.colormap, - pixels, 2)) { - valuemask = GCTile | GCFillStyle; - values.fill_style = FillTiled; - values.tile = XmuCreateStippledPixmap(XtScreen((Widget)pw), - pw->panner.foreground, - pw->core.background_pixel, - pw->core.depth); - } - else { - if (!pw->panner.line_width && - !XmuDistinguishablePixels(XtDisplay(pw), pw->core.colormap, - pixels, 2)) - pw->panner.line_width = 1; - valuemask = GCForeground; - values.foreground = pw->panner.shadow_color; - } - if (pw->panner.line_width > 0) { - values.line_width = pw->panner.line_width; - valuemask |= GCLineWidth; - } - - pw->panner.shadow_gc = XtGetGC((Widget)pw, valuemask, &values); -} - -static void -reset_slider_gc(PannerWidget pw) -{ - XtGCMask valuemask = GCForeground; - XGCValues values; - - if (pw->panner.slider_gc) - XtReleaseGC((Widget)pw, pw->panner.slider_gc); - - values.foreground = pw->panner.foreground; - - pw->panner.slider_gc = XtGetGC((Widget)pw, valuemask, &values); -} - -static void -reset_xor_gc(PannerWidget pw) -{ - if (pw->panner.xor_gc) - XtReleaseGC((Widget)pw, pw->panner.xor_gc); - - if (pw->panner.rubber_band) { - XtGCMask valuemask = (GCForeground | GCFunction); - XGCValues values; - Pixel tmp; - - tmp = (pw->panner.foreground == pw->core.background_pixel ? - pw->panner.shadow_color : pw->panner.foreground); - values.foreground = tmp ^ pw->core.background_pixel; - values.function = GXxor; - if (pw->panner.line_width > 0) { - valuemask |= GCLineWidth; - values.line_width = pw->panner.line_width; - } - pw->panner.xor_gc = XtGetGC((Widget)pw, valuemask, &values); - } - else - pw->panner.xor_gc = NULL; -} - -static void -check_knob(PannerWidget pw, Bool knob) -{ - Position pad = pw->panner.internal_border << 1; - Position maxx = (Position)XtWidth(pw) - pad - - (Position)pw->panner.knob_width; - Position maxy = (Position)XtHeight(pw) - pad - - (Position)pw->panner.knob_height; - Position *x = knob ? &pw->panner.knob_x : &pw->panner.tmp.x; - Position *y = knob ? &pw->panner.knob_y : &pw->panner.tmp.y; - - /* - * note that positions are already normalized (i.e. internal_border - * has been subtracted out) - */ - if (*x < 0) - *x = 0; - if (*x > maxx) - *x = maxx; - - if (*y < 0) - *y = 0; - if (*y > maxy) - *y = maxy; - - if (knob) { - pw->panner.slider_x = (Position)((double)pw->panner.knob_x - / pw->panner.haspect + 0.5); - pw->panner.slider_y = (Position)((double)pw->panner.knob_y - / pw->panner.vaspect + 0.5); - pw->panner.last_x = pw->panner.last_y = PANNER_OUTOFRANGE; - } -} - -static void -move_shadow(PannerWidget pw) -{ - if (pw->panner.shadow_thickness > 0) { - int lw = pw->panner.shadow_thickness + (pw->panner.line_width << 1); - int pad = pw->panner.internal_border; - - if (pw->panner.knob_height > lw && pw->panner.knob_width > lw) { - XRectangle *r = pw->panner.shadow_rects; - - r->x = pw->panner.knob_x + pad + pw->panner.knob_width; - r->y = pw->panner.knob_y + pad + lw; - r->width = pw->panner.shadow_thickness; - r->height = pw->panner.knob_height - lw; - r++; - r->x = pw->panner.knob_x + pad + lw; - r->y = pw->panner.knob_y + pad + pw->panner.knob_height; - r->width = pw->panner.knob_width - lw + pw->panner.shadow_thickness; - r->height = pw->panner.shadow_thickness; - pw->panner.shadow_valid = True; - return; - } - } - pw->panner.shadow_valid = False; -} - -static void -scale_knob(PannerWidget pw, Bool location, Bool size) -{ - if (location) { - pw->panner.knob_x = (Position)PANNER_HSCALE(pw, pw->panner.slider_x); - pw->panner.knob_y = (Position)PANNER_VSCALE(pw, pw->panner.slider_y); - } - if (size) { - Dimension width, height; - - if (pw->panner.slider_width < 1) - pw->panner.slider_width = pw->panner.canvas_width; - if (pw->panner.slider_height < 1) - pw->panner.slider_height = pw->panner.canvas_height; - width = Min(pw->panner.slider_width, pw->panner.canvas_width); - height = Min(pw->panner.slider_height, pw->panner.canvas_height); - - pw->panner.knob_width = (Dimension)PANNER_HSCALE(pw, width); - pw->panner.knob_height = (Dimension)PANNER_VSCALE(pw, height); - } - if (!pw->panner.allow_off) - check_knob(pw, True); - move_shadow(pw); -} - -static void -rescale(PannerWidget pw) -{ - int hpad = pw->panner.internal_border << 1; - int vpad = hpad; - - if (pw->panner.canvas_width < 1) - pw->panner.canvas_width = XtWidth(pw); - if (pw->panner.canvas_height < 1) - pw->panner.canvas_height = XtHeight(pw); - - if (XtWidth(pw) <= hpad) - hpad = 0; - if (XtHeight(pw) <= vpad) - vpad = 0; - - pw->panner.haspect = ((double)XtWidth(pw) - hpad + .5) - / (double)pw->panner.canvas_width; - pw->panner.vaspect = ((double)XtHeight(pw) - vpad + .5) - / (double)pw->panner.canvas_height; - scale_knob(pw, True, True); -} - -static void -get_default_size(PannerWidget pw, Dimension *wp, Dimension *hp) -{ - Dimension pad = pw->panner.internal_border << 1; - - *wp = PANNER_DSCALE(pw, pw->panner.canvas_width) + pad; - *hp = PANNER_DSCALE(pw, pw->panner.canvas_height) + pad; -} - -static Bool -get_event_xy(PannerWidget pw, XEvent *event, int *x, int *y) -{ - int pad = pw->panner.internal_border; - - switch (event->type) { - case ButtonPress: - case ButtonRelease: - *x = event->xbutton.x - pad; - *y = event->xbutton.y - pad; - return (True); - case KeyPress: - case KeyRelease: - *x = event->xkey.x - pad; - *y = event->xkey.y - pad; - return (True); - case EnterNotify: - case LeaveNotify: - *x = event->xcrossing.x - pad; - *y = event->xcrossing.y - pad; - return (True); - case MotionNotify: - *x = event->xmotion.x - pad; - *y = event->xmotion.y - pad; - return (True); - } - - return (False); -} - -static int -parse_page_string(char *s, int pagesize, int canvassize, Bool *relative) -{ - char *cp; - double val = 1.0; - Bool rel = False; - - /* - * syntax: spaces [+-] number spaces [pc\0] spaces - */ - for (; isascii(*s) && isspace(*s); s++) /* skip white space */ - ; - - if (*s == '+' || *s == '-') { /* deal with signs */ - rel = True; - if (*s == '-') - val = -1.0; - s++; - } - if (!*s) { /* if null then return nothing */ - *relative = True; - return (0); - } - - /* skip over numbers */ - for (cp = s; isascii(*s) && (isdigit(*s) || *s == '.'); s++) - ; - val *= atof(cp); - - /* skip blanks */ - for (; isascii(*s) && isspace(*s); s++) - ; - - if (*s) { /* if units */ - switch (s[0]) { - case 'p': - case 'P': - val *= (double)pagesize; - break; - case 'c': - case 'C': - val *= (double)canvassize; - break; - } - } - *relative = rel; - - return ((int)val); -} - -#define DRAW_TMP(pw) \ -{ \ - XDrawRectangle(XtDisplay(pw), XtWindow(pw), \ - pw->panner.xor_gc, \ - pw->panner.tmp.x + pw->panner.internal_border, \ - pw->panner.tmp.y + pw->panner.internal_border, \ - pw->panner.knob_width - 1, \ - pw->panner.knob_height - 1); \ - pw->panner.tmp.showing = !pw->panner.tmp.showing; \ -} - -#define UNDRAW_TMP(pw) \ -{ \ - if (pw->panner.tmp.showing) \ - DRAW_TMP(pw); \ -} - -#define BACKGROUND_STIPPLE(pw) \ -XmuLocatePixmapFile(pw->core.screen, pw->panner.stipple_name, \ - pw->panner.shadow_color, pw->core.background_pixel, \ - pw->core.depth, NULL, 0, NULL, NULL, NULL, NULL) - -#define PIXMAP_OKAY(pm) ((pm) != None && (pm) != XtUnspecifiedPixmap) - -/*ARGSUSED*/ -static void -XawPannerInitialize(Widget greq, Widget gnew, ArgList args, Cardinal *num_args) -{ - PannerWidget req = (PannerWidget)greq, cnew = (PannerWidget)gnew; - Dimension defwidth, defheight; - - if (req->panner.canvas_width < 1) - cnew->panner.canvas_width = 1; - if (req->panner.canvas_height < 1) - cnew->panner.canvas_height = 1; - if (req->panner.default_scale < 1) - cnew->panner.default_scale = PANNER_DEFAULT_SCALE; - - get_default_size(req, &defwidth, &defheight); - if (XtWidth(req) < 1) - XtWidth(cnew) = defwidth; - if (XtHeight(req) < 1) - XtHeight(cnew) = defheight; - - cnew->panner.shadow_gc = NULL; - reset_shadow_gc(cnew); /* shadowColor */ - cnew->panner.slider_gc = NULL; - reset_slider_gc(cnew); /* foreground */ - cnew->panner.xor_gc = NULL; - reset_xor_gc(cnew); /* foreground ^ background */ - - rescale(cnew); /* does a position check */ - cnew->panner.shadow_valid = False; - cnew->panner.tmp.doing = False; - cnew->panner.tmp.showing = False; - } - -static void -XawPannerRealize(Widget gw, XtValueMask *valuemaskp, - XSetWindowAttributes *attr) -{ - PannerWidget pw = (PannerWidget)gw; - Pixmap pm = XtUnspecifiedPixmap; - Bool gotpm = False; - - if (pw->core.background_pixmap == XtUnspecifiedPixmap) { - if (pw->panner.stipple_name) - pm = BACKGROUND_STIPPLE(pw); - - if (PIXMAP_OKAY(pm)) { - attr->background_pixmap = pm; - *valuemaskp |= CWBackPixmap; - *valuemaskp &= ~CWBackPixel; - gotpm = True; - } - } - (*pannerWidgetClass->core_class.superclass->core_class.realize) - (gw, valuemaskp, attr); - - if (gotpm) - XFreePixmap(XtDisplay(gw), pm); -} - -static void -XawPannerDestroy(Widget gw) -{ - PannerWidget pw = (PannerWidget)gw; - - XtReleaseGC(gw, pw->panner.shadow_gc); - XtReleaseGC(gw, pw->panner.slider_gc); - XtReleaseGC(gw, pw->panner.xor_gc); -} - -static void -XawPannerResize(Widget gw) -{ - rescale((PannerWidget)gw); -} - -static void -XawPannerRedisplay(Widget gw, XEvent *event, Region region) -{ - PannerWidget pw = (PannerWidget)gw; - Display *dpy = XtDisplay(gw); - Window w = XtWindow(gw); - int pad = pw->panner.internal_border; - Dimension lw = pw->panner.line_width; - Dimension extra = pw->panner.shadow_thickness + (lw << 1); - int kx = pw->panner.knob_x + pad, ky = pw->panner.knob_y + pad; - - if (Superclass->core_class.expose) - (Superclass->core_class.expose)(gw, event, region); - - pw->panner.tmp.showing = False; - XClearArea(XtDisplay(pw), XtWindow(pw), - (int)pw->panner.last_x - ((int)lw) + pad, - (int)pw->panner.last_y - ((int)lw) + pad, - pw->panner.knob_width + extra, - pw->panner.knob_height + extra, - False); - pw->panner.last_x = pw->panner.knob_x; - pw->panner.last_y = pw->panner.knob_y; - - XFillRectangle(dpy, w, pw->panner.slider_gc, kx, ky, - pw->panner.knob_width - 1, pw->panner.knob_height - 1); - - if (lw) - XDrawRectangle(dpy, w, pw->panner.shadow_gc, kx, ky, - pw->panner.knob_width - 1, pw->panner.knob_height - 1); - - if (pw->panner.shadow_valid) - XFillRectangles(dpy, w, pw->panner.shadow_gc, pw->panner.shadow_rects, 2); - - if (pw->panner.tmp.doing && pw->panner.rubber_band) - DRAW_TMP(pw); -} - -/*ARGSUSED*/ -static Boolean -XawPannerSetValues(Widget gcur, Widget greq, Widget gnew, - ArgList args, Cardinal *num_args) -{ - PannerWidget cur = (PannerWidget)gcur; - PannerWidget cnew = (PannerWidget)gnew; - Bool redisplay = False; - - if (cur->panner.foreground != cnew->panner.foreground) { - reset_slider_gc(cnew); - if (cur->panner.foreground != cur->core.background_pixel) - reset_xor_gc(cnew); - redisplay = True; - } - else if (cur->panner.line_width != cnew->panner.line_width || - cur->core.background_pixel != cnew->core.background_pixel) { - reset_xor_gc(cnew); - redisplay = True; - } - if (cur->panner.shadow_color != cnew->panner.shadow_color) { - reset_shadow_gc(cnew); - if (cur->panner.foreground == cur->core.background_pixel) - reset_xor_gc(cnew); - redisplay = True; - } - if (cur->panner.shadow_thickness != cnew->panner.shadow_thickness) { - move_shadow(cnew); - redisplay = True; - } - if (cur->panner.rubber_band != cnew->panner.rubber_band) { - reset_xor_gc(cnew); - if (cnew->panner.tmp.doing) - redisplay = True; - } - - if ((cur->panner.stipple_name != cnew->panner.stipple_name - || cur->panner.shadow_color != cnew->panner.shadow_color - || cur->core.background_pixel != cnew->core.background_pixel) - && XtIsRealized(gnew)) { - Pixmap pm = cnew->panner.stipple_name ? - BACKGROUND_STIPPLE(cnew) : XtUnspecifiedPixmap; - - if (PIXMAP_OKAY(pm)) { - XSetWindowBackgroundPixmap(XtDisplay(cnew), XtWindow(cnew), pm); - XFreePixmap(XtDisplay(cnew), pm); - } - else - XSetWindowBackground(XtDisplay(cnew), XtWindow(cnew), - cnew->core.background_pixel); - - redisplay = True; - } - - if (cnew->panner.resize_to_pref && - (cur->panner.canvas_width != cnew->panner.canvas_width - || cur->panner.canvas_height != cnew->panner.canvas_height - || cur->panner.resize_to_pref != cnew->panner.resize_to_pref)) { - get_default_size(cnew, &cnew->core.width, &cnew->core.height); - redisplay = True; - } - else if (cur->panner.canvas_width != cnew->panner.canvas_width - || cur->panner.canvas_height != cnew->panner.canvas_height - || cur->panner.internal_border != cnew->panner.internal_border) { - rescale(cnew); /* does a scale_knob as well */ - redisplay = True; - } - else { - Bool loc = cur->panner.slider_x != cnew->panner.slider_x || - cur->panner.slider_y != cnew->panner.slider_y; - Bool siz = cur->panner.slider_width != cnew->panner.slider_width || - cur->panner.slider_height != cnew->panner.slider_height; - if (loc || siz || (cur->panner.allow_off != cnew->panner.allow_off - && cnew->panner.allow_off)) { - scale_knob(cnew, loc, siz); - redisplay = True; - } - } - - return (redisplay); -} - -static void -XawPannerSetValuesAlmost(Widget gold, Widget gnew, XtWidgetGeometry *req, - XtWidgetGeometry *reply) -{ - if (reply->request_mode == 0) /* got turned down, so cope */ - XawPannerResize(gnew); - - (*pannerWidgetClass->core_class.superclass->core_class.set_values_almost) - (gold, gnew, req, reply); -} - -static XtGeometryResult -XawPannerQueryGeometry(Widget gw, XtWidgetGeometry *intended, - XtWidgetGeometry *pref) -{ - PannerWidget pw = (PannerWidget)gw; - - pref->request_mode = (CWWidth | CWHeight); - get_default_size(pw, &pref->width, &pref->height); - - if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight)) - && intended->width == pref->width && intended->height == pref->height) - return (XtGeometryYes); - else if (pref->width == XtWidth(pw) && pref->height == XtHeight(pw)) - return (XtGeometryNo); - - return (XtGeometryAlmost); -} - - -/*ARGSUSED*/ -static void -ActionStart(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - int x, y; - - if (!get_event_xy(pw, event, &x, &y)) { - XBell(XtDisplay(gw), 0); - return; - } - - pw->panner.tmp.doing = True; - pw->panner.tmp.startx = pw->panner.knob_x; - pw->panner.tmp.starty = pw->panner.knob_y; - pw->panner.tmp.dx = x - pw->panner.knob_x; - pw->panner.tmp.dy = y - pw->panner.knob_y; - pw->panner.tmp.x = pw->panner.knob_x; - pw->panner.tmp.y = pw->panner.knob_y; - if (pw->panner.rubber_band) - DRAW_TMP(pw); -} - -/*ARGSUSED*/ -static void -ActionStop(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - int x, y; - - if (get_event_xy(pw, event, &x, &y)) { - pw->panner.tmp.x = x - pw->panner.tmp.dx; - pw->panner.tmp.y = y - pw->panner.tmp.dy; - if (!pw->panner.allow_off) - check_knob(pw, False); - } - if (pw->panner.rubber_band) - DRAW_TMP(pw); - pw->panner.tmp.doing = False; -} - -static void -ActionAbort(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - - if (!pw->panner.tmp.doing) - return; - - if (pw->panner.rubber_band) - UNDRAW_TMP(pw); - - if (!pw->panner.rubber_band) { /* restore old position */ - pw->panner.tmp.x = pw->panner.tmp.startx; - pw->panner.tmp.y = pw->panner.tmp.starty; - ActionNotify(gw, event, params, num_params); - } - pw->panner.tmp.doing = False; -} - -static void -ActionMove(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - int x, y; - - if (!pw->panner.tmp.doing) - return; - - if (!get_event_xy(pw, event, &x, &y)) { - XBell(XtDisplay(gw), 0); /* should do error message */ - return; - } - - if (pw->panner.rubber_band) - UNDRAW_TMP(pw); - pw->panner.tmp.x = x - pw->panner.tmp.dx; - pw->panner.tmp.y = y - pw->panner.tmp.dy; - - if (!pw->panner.rubber_band) - ActionNotify(gw, event, params, num_params); - else { - if (!pw->panner.allow_off) - check_knob(pw, False); - DRAW_TMP(pw); - } -} - - -static void -ActionPage(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - Cardinal zero = 0; - Bool isin = pw->panner.tmp.doing; - int x, y; - Bool relx, rely; - int pad = pw->panner.internal_border << 1; - - if (*num_params != 2) { - XBell(XtDisplay(gw), 0); - return; - } - - x = parse_page_string(params[0], pw->panner.knob_width, - (int)XtWidth(pw) - pad, &relx); - y = parse_page_string(params[1], pw->panner.knob_height, - (int)XtHeight(pw) - pad, &rely); - - if (relx) - x += pw->panner.knob_x; - if (rely) - y += pw->panner.knob_y; - - if (isin) { /* if in, then use move */ - XEvent ev; - - ev.xbutton.type = ButtonPress; - ev.xbutton.x = x; - ev.xbutton.y = y; - ActionMove(gw, &ev, NULL, &zero); - } - else { - pw->panner.tmp.doing = True; - pw->panner.tmp.x = x; - pw->panner.tmp.y = y; - ActionNotify(gw, event, NULL, &zero); - pw->panner.tmp.doing = False; - } -} - -/*ARGSUSED*/ -static void -ActionNotify(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - - if (!pw->panner.tmp.doing) - return; - - if (!pw->panner.allow_off) - check_knob(pw, False); - pw->panner.knob_x = pw->panner.tmp.x; - pw->panner.knob_y = pw->panner.tmp.y; - move_shadow(pw); - - pw->panner.slider_x = (Position)((double)pw->panner.knob_x - / pw->panner.haspect + 0.5); - pw->panner.slider_y = (Position)((double) pw->panner.knob_y - / pw->panner.vaspect + 0.5); - if (!pw->panner.allow_off) { - Position tmp; - - if (pw->panner.slider_x - > (tmp = (Position)pw->panner.canvas_width - - (Position)pw->panner.slider_width)) - pw->panner.slider_x = tmp; - if (pw->panner.slider_x < 0) - pw->panner.slider_x = 0; - if (pw->panner.slider_y - > (tmp = (Position)pw->panner.canvas_height - - (Position)pw->panner.slider_height)) - pw->panner.slider_y = tmp; - if (pw->panner.slider_y < 0) - pw->panner.slider_y = 0; - } - - if (pw->panner.last_x != pw->panner.knob_x || - pw->panner.last_y != pw->panner.knob_y) { - XawPannerReport rep; - - XawPannerRedisplay(gw, NULL, NULL); - rep.changed = XawPRSliderX | XawPRSliderY; - rep.slider_x = pw->panner.slider_x; - rep.slider_y = pw->panner.slider_y; - rep.slider_width = pw->panner.slider_width; - rep.slider_height = pw->panner.slider_height; - rep.canvas_width = pw->panner.canvas_width; - rep.canvas_height = pw->panner.canvas_height; - XtCallCallbackList(gw, pw->panner.report_callbacks, (XtPointer)&rep); - } -} - -/*ARGSUSED*/ -static void -ActionSet(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - PannerWidget pw = (PannerWidget)gw; - Bool rb; - - if (*num_params < 2 || - XmuCompareISOLatin1(params[0], "rubberband") != 0) { - XBell(XtDisplay(gw), 0); - return; - } - - if (XmuCompareISOLatin1(params[1], "on") == 0) - rb = True; - else if (XmuCompareISOLatin1(params[1], "off") == 0) - rb = False; - else if (XmuCompareISOLatin1(params[1], "toggle") == 0) - rb = !pw->panner.rubber_band; - else { - XBell(XtDisplay(gw), 0); - return; - } - - if (rb != pw->panner.rubber_band) { - Arg args[1]; - - XtSetArg(args[0], XtNrubberBand, rb); - XtSetValues(gw, args, 1); - } -} +/*
+ *
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ * Author: Jim Fulton, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <ctype.h>
+#include <math.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/PannerP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#if defined(ISC) && __STDC__ && !defined(ISC30)
+extern double atof(char *);
+#else
+#include <stdlib.h> /* for atof() */
+#endif
+
+/*
+ * Class Methods
+ */
+static void XawPannerDestroy(Widget);
+static void XawPannerInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawPannerQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawPannerRealize(Widget, XtValueMask*, XSetWindowAttributes*);
+static void XawPannerRedisplay(Widget, XEvent*, Region);
+static void XawPannerResize(Widget);
+static Boolean XawPannerSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+static void XawPannerSetValuesAlmost(Widget, Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+
+/*
+ * Prototypes
+ */
+static void check_knob(PannerWidget, Bool);
+static void get_default_size(PannerWidget, Dimension*, Dimension*);
+static Bool get_event_xy(PannerWidget, XEvent*, int*, int*);
+static void move_shadow(PannerWidget);
+static int parse_page_string(char*, int, int, Bool*);
+static void rescale(PannerWidget);
+static void reset_shadow_gc(PannerWidget);
+static void reset_slider_gc(PannerWidget);
+static void reset_xor_gc(PannerWidget);
+static void scale_knob(PannerWidget, Bool, Bool);
+
+/*
+ * Actions
+ */
+static void ActionAbort(Widget, XEvent*, String*, Cardinal*);
+static void ActionMove(Widget, XEvent*, String*, Cardinal*);
+static void ActionNotify(Widget, XEvent*, String*, Cardinal*);
+static void ActionPage(Widget, XEvent*, String*, Cardinal*);
+static void ActionSet(Widget, XEvent*, String*, Cardinal*);
+static void ActionStart(Widget, XEvent*, String*, Cardinal*);
+static void ActionStop(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * From Xmu/Distinct.c
+ */
+Bool XmuDistinguishablePixels(Display*, Colormap, unsigned long*, int);
+
+/*
+ * Initialization
+ */
+static char defaultTranslations[] =
+"<Btn1Down>:" "start()\n"
+"<Btn1Motion>:" "move()\n"
+"<Btn1Up>:" "notify() stop()\n"
+"<Btn2Down>:" "abort()\n"
+":<Key>KP_Enter:" "set(rubberband,toggle)\n"
+"<Key>space:" "page(+1p,+1p)\n"
+"<Key>Delete:" "page(-1p,-1p)\n"
+":<Key>KP_Delete:" "page(-1p,-1p)\n"
+"<Key>BackSpace:" "page(-1p,-1p)\n"
+"<Key>Left:" "page(-.5p,+0)\n"
+":<Key>KP_Left:" "page(-.5p,+0)\n"
+"<Key>Right:" "page(+.5p,+0)\n"
+":<Key>KP_Right:" "page(+.5p,+0)\n"
+"<Key>Up:" "page(+0,-.5p)\n"
+":<Key>KP_Up:" "page(+0,-.5p)\n"
+"<Key>Down:" "page(+0,+.5p)\n"
+":<Key>KP_Down:" "page(+0,+.5p)\n"
+"<Key>Home:" "page(0,0)\n"
+":<Key>KP_Home:" "page(0,0)\n"
+;
+
+static XtActionsRec actions[] = {
+ {"start", ActionStart}, /* start tmp graphics */
+ {"stop", ActionStop}, /* stop tmp graphics */
+ {"abort", ActionAbort}, /* punt */
+ {"move", ActionMove}, /* move tmp graphics on Motion event */
+ {"page", ActionPage}, /* page around usually from keyboard */
+ {"notify", ActionNotify}, /* callback new position */
+ {"set", ActionSet}, /* set various parameters */
+};
+
+#define offset(field) XtOffsetOf(PannerRec, panner.field)
+static XtResource resources[] = {
+ {
+ XtNallowOff,
+ XtCAllowOff,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(allow_off),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNresize,
+ XtCResize,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(resize_to_pref),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNreportCallback,
+ XtCReportCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(report_callbacks),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNdefaultScale,
+ XtCDefaultScale,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(default_scale),
+ XtRImmediate,
+ (XtPointer)PANNER_DEFAULT_SCALE
+ },
+ {
+ XtNrubberBand,
+ XtCRubberBand,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(rubber_band),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(foreground),
+ XtRString,
+ (XtPointer)XtDefaultBackground
+ },
+ {
+ XtNinternalSpace,
+ XtCInternalSpace,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(internal_border),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNlineWidth,
+ XtCLineWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(line_width),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNcanvasWidth,
+ XtCCanvasWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(canvas_width),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNcanvasHeight,
+ XtCCanvasHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(canvas_height),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNsliderX,
+ XtCSliderX,
+ XtRPosition,
+ sizeof(Position),
+ offset(slider_x),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNsliderY,
+ XtCSliderY,
+ XtRPosition,
+ sizeof(Position),
+ offset(slider_y),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNsliderWidth,
+ XtCSliderWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(slider_width),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNsliderHeight,
+ XtCSliderHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(slider_height),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNshadowColor,
+ XtCShadowColor,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(shadow_color),
+ XtRString,
+ (XtPointer)XtDefaultForeground
+ },
+ {
+ XtNshadowThickness,
+ XtCShadowThickness,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(shadow_thickness),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNbackgroundStipple,
+ XtCBackgroundStipple,
+ XtRString,
+ sizeof(String),
+ offset(stipple_name),
+ XtRImmediate,
+ NULL
+ },
+};
+#undef offset
+
+#define Superclass (&simpleClassRec)
+PannerClassRec pannerClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Panner", /* class_name */
+ sizeof(PannerRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawPannerInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawPannerRealize, /* realize */
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawPannerDestroy, /* destroy */
+ XawPannerResize, /* resize */
+ XawPannerRedisplay, /* expose */
+ XawPannerSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XawPannerSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XawPannerQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* panner */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass pannerWidgetClass = (WidgetClass) &pannerClassRec;
+
+
+/*
+ * Implementation
+ */
+static void
+reset_shadow_gc(PannerWidget pw)
+{
+ XtGCMask valuemask = GCForeground;
+ XGCValues values;
+ unsigned long pixels[3];
+
+ if (pw->panner.shadow_gc)
+ XtReleaseGC((Widget)pw, pw->panner.shadow_gc);
+
+ pixels[0] = pw->panner.foreground;
+ pixels[1] = pw->core.background_pixel;
+ pixels[2] = pw->panner.shadow_color;
+
+ if (!pw->panner.stipple_name &&
+ !XmuDistinguishablePixels(XtDisplay(pw), pw->core.colormap,
+ pixels, 3) &&
+ XmuDistinguishablePixels(XtDisplay(pw), pw->core.colormap,
+ pixels, 2)) {
+ valuemask = GCTile | GCFillStyle;
+ values.fill_style = FillTiled;
+ values.tile = XmuCreateStippledPixmap(XtScreen((Widget)pw),
+ pw->panner.foreground,
+ pw->core.background_pixel,
+ pw->core.depth);
+ }
+ else {
+ if (!pw->panner.line_width &&
+ !XmuDistinguishablePixels(XtDisplay(pw), pw->core.colormap,
+ pixels, 2))
+ pw->panner.line_width = 1;
+ valuemask = GCForeground;
+ values.foreground = pw->panner.shadow_color;
+ }
+ if (pw->panner.line_width > 0) {
+ values.line_width = pw->panner.line_width;
+ valuemask |= GCLineWidth;
+ }
+
+ pw->panner.shadow_gc = XtGetGC((Widget)pw, valuemask, &values);
+}
+
+static void
+reset_slider_gc(PannerWidget pw)
+{
+ XtGCMask valuemask = GCForeground;
+ XGCValues values;
+
+ if (pw->panner.slider_gc)
+ XtReleaseGC((Widget)pw, pw->panner.slider_gc);
+
+ values.foreground = pw->panner.foreground;
+
+ pw->panner.slider_gc = XtGetGC((Widget)pw, valuemask, &values);
+}
+
+static void
+reset_xor_gc(PannerWidget pw)
+{
+ if (pw->panner.xor_gc)
+ XtReleaseGC((Widget)pw, pw->panner.xor_gc);
+
+ if (pw->panner.rubber_band) {
+ XtGCMask valuemask = (GCForeground | GCFunction);
+ XGCValues values;
+ Pixel tmp;
+
+ tmp = (pw->panner.foreground == pw->core.background_pixel ?
+ pw->panner.shadow_color : pw->panner.foreground);
+ values.foreground = tmp ^ pw->core.background_pixel;
+ values.function = GXxor;
+ if (pw->panner.line_width > 0) {
+ valuemask |= GCLineWidth;
+ values.line_width = pw->panner.line_width;
+ }
+ pw->panner.xor_gc = XtGetGC((Widget)pw, valuemask, &values);
+ }
+ else
+ pw->panner.xor_gc = NULL;
+}
+
+static void
+check_knob(PannerWidget pw, Bool knob)
+{
+ Position pad = pw->panner.internal_border << 1;
+ Position maxx = (Position)XtWidth(pw) - pad -
+ (Position)pw->panner.knob_width;
+ Position maxy = (Position)XtHeight(pw) - pad -
+ (Position)pw->panner.knob_height;
+ Position *x = knob ? &pw->panner.knob_x : &pw->panner.tmp.x;
+ Position *y = knob ? &pw->panner.knob_y : &pw->panner.tmp.y;
+
+ /*
+ * note that positions are already normalized (i.e. internal_border
+ * has been subtracted out)
+ */
+ if (*x < 0)
+ *x = 0;
+ if (*x > maxx)
+ *x = maxx;
+
+ if (*y < 0)
+ *y = 0;
+ if (*y > maxy)
+ *y = maxy;
+
+ if (knob) {
+ pw->panner.slider_x = (Position)((double)pw->panner.knob_x
+ / pw->panner.haspect + 0.5);
+ pw->panner.slider_y = (Position)((double)pw->panner.knob_y
+ / pw->panner.vaspect + 0.5);
+ pw->panner.last_x = pw->panner.last_y = PANNER_OUTOFRANGE;
+ }
+}
+
+static void
+move_shadow(PannerWidget pw)
+{
+ if (pw->panner.shadow_thickness > 0) {
+ int lw = pw->panner.shadow_thickness + (pw->panner.line_width << 1);
+ int pad = pw->panner.internal_border;
+
+ if (pw->panner.knob_height > lw && pw->panner.knob_width > lw) {
+ XRectangle *r = pw->panner.shadow_rects;
+
+ r->x = pw->panner.knob_x + pad + pw->panner.knob_width;
+ r->y = pw->panner.knob_y + pad + lw;
+ r->width = pw->panner.shadow_thickness;
+ r->height = pw->panner.knob_height - lw;
+ r++;
+ r->x = pw->panner.knob_x + pad + lw;
+ r->y = pw->panner.knob_y + pad + pw->panner.knob_height;
+ r->width = pw->panner.knob_width - lw + pw->panner.shadow_thickness;
+ r->height = pw->panner.shadow_thickness;
+ pw->panner.shadow_valid = True;
+ return;
+ }
+ }
+ pw->panner.shadow_valid = False;
+}
+
+static void
+scale_knob(PannerWidget pw, Bool location, Bool size)
+{
+ if (location) {
+ pw->panner.knob_x = (Position)PANNER_HSCALE(pw, pw->panner.slider_x);
+ pw->panner.knob_y = (Position)PANNER_VSCALE(pw, pw->panner.slider_y);
+ }
+ if (size) {
+ Dimension width, height;
+
+ if (pw->panner.slider_width < 1)
+ pw->panner.slider_width = pw->panner.canvas_width;
+ if (pw->panner.slider_height < 1)
+ pw->panner.slider_height = pw->panner.canvas_height;
+ width = Min(pw->panner.slider_width, pw->panner.canvas_width);
+ height = Min(pw->panner.slider_height, pw->panner.canvas_height);
+
+ pw->panner.knob_width = (Dimension)PANNER_HSCALE(pw, width);
+ pw->panner.knob_height = (Dimension)PANNER_VSCALE(pw, height);
+ }
+ if (!pw->panner.allow_off)
+ check_knob(pw, True);
+ move_shadow(pw);
+}
+
+static void
+rescale(PannerWidget pw)
+{
+ int hpad = pw->panner.internal_border << 1;
+ int vpad = hpad;
+
+ if (pw->panner.canvas_width < 1)
+ pw->panner.canvas_width = XtWidth(pw);
+ if (pw->panner.canvas_height < 1)
+ pw->panner.canvas_height = XtHeight(pw);
+
+ if (XtWidth(pw) <= hpad)
+ hpad = 0;
+ if (XtHeight(pw) <= vpad)
+ vpad = 0;
+
+ pw->panner.haspect = ((double)XtWidth(pw) - hpad + .5)
+ / (double)pw->panner.canvas_width;
+ pw->panner.vaspect = ((double)XtHeight(pw) - vpad + .5)
+ / (double)pw->panner.canvas_height;
+ scale_knob(pw, True, True);
+}
+
+static void
+get_default_size(PannerWidget pw, Dimension *wp, Dimension *hp)
+{
+ Dimension pad = pw->panner.internal_border << 1;
+
+ *wp = PANNER_DSCALE(pw, pw->panner.canvas_width) + pad;
+ *hp = PANNER_DSCALE(pw, pw->panner.canvas_height) + pad;
+}
+
+static Bool
+get_event_xy(PannerWidget pw, XEvent *event, int *x, int *y)
+{
+ int pad = pw->panner.internal_border;
+
+ switch (event->type) {
+ case ButtonPress:
+ case ButtonRelease:
+ *x = event->xbutton.x - pad;
+ *y = event->xbutton.y - pad;
+ return (True);
+ case KeyPress:
+ case KeyRelease:
+ *x = event->xkey.x - pad;
+ *y = event->xkey.y - pad;
+ return (True);
+ case EnterNotify:
+ case LeaveNotify:
+ *x = event->xcrossing.x - pad;
+ *y = event->xcrossing.y - pad;
+ return (True);
+ case MotionNotify:
+ *x = event->xmotion.x - pad;
+ *y = event->xmotion.y - pad;
+ return (True);
+ }
+
+ return (False);
+}
+
+static int
+parse_page_string(char *s, int pagesize, int canvassize, Bool *relative)
+{
+ char *cp;
+ double val = 1.0;
+ Bool rel = False;
+
+ /*
+ * syntax: spaces [+-] number spaces [pc\0] spaces
+ */
+ for (; isascii(*s) && isspace(*s); s++) /* skip white space */
+ ;
+
+ if (*s == '+' || *s == '-') { /* deal with signs */
+ rel = True;
+ if (*s == '-')
+ val = -1.0;
+ s++;
+ }
+ if (!*s) { /* if null then return nothing */
+ *relative = True;
+ return (0);
+ }
+
+ /* skip over numbers */
+ for (cp = s; isascii(*s) && (isdigit(*s) || *s == '.'); s++)
+ ;
+ val *= atof(cp);
+
+ /* skip blanks */
+ for (; isascii(*s) && isspace(*s); s++)
+ ;
+
+ if (*s) { /* if units */
+ switch (s[0]) {
+ case 'p':
+ case 'P':
+ val *= (double)pagesize;
+ break;
+ case 'c':
+ case 'C':
+ val *= (double)canvassize;
+ break;
+ }
+ }
+ *relative = rel;
+
+ return ((int)val);
+}
+
+#define DRAW_TMP(pw) \
+{ \
+ XDrawRectangle(XtDisplay(pw), XtWindow(pw), \
+ pw->panner.xor_gc, \
+ pw->panner.tmp.x + pw->panner.internal_border, \
+ pw->panner.tmp.y + pw->panner.internal_border, \
+ pw->panner.knob_width - 1, \
+ pw->panner.knob_height - 1); \
+ pw->panner.tmp.showing = !pw->panner.tmp.showing; \
+}
+
+#define UNDRAW_TMP(pw) \
+{ \
+ if (pw->panner.tmp.showing) \
+ DRAW_TMP(pw); \
+}
+
+#define BACKGROUND_STIPPLE(pw) \
+XmuLocatePixmapFile(pw->core.screen, pw->panner.stipple_name, \
+ pw->panner.shadow_color, pw->core.background_pixel, \
+ pw->core.depth, NULL, 0, NULL, NULL, NULL, NULL)
+
+#define PIXMAP_OKAY(pm) ((pm) != None && (pm) != XtUnspecifiedPixmap)
+
+/*ARGSUSED*/
+static void
+XawPannerInitialize(Widget greq, Widget gnew, ArgList args, Cardinal *num_args)
+{
+ PannerWidget req = (PannerWidget)greq, cnew = (PannerWidget)gnew;
+ Dimension defwidth, defheight;
+
+ if (req->panner.canvas_width < 1)
+ cnew->panner.canvas_width = 1;
+ if (req->panner.canvas_height < 1)
+ cnew->panner.canvas_height = 1;
+ if (req->panner.default_scale < 1)
+ cnew->panner.default_scale = PANNER_DEFAULT_SCALE;
+
+ get_default_size(req, &defwidth, &defheight);
+ if (XtWidth(req) < 1)
+ XtWidth(cnew) = defwidth;
+ if (XtHeight(req) < 1)
+ XtHeight(cnew) = defheight;
+
+ cnew->panner.shadow_gc = NULL;
+ reset_shadow_gc(cnew); /* shadowColor */
+ cnew->panner.slider_gc = NULL;
+ reset_slider_gc(cnew); /* foreground */
+ cnew->panner.xor_gc = NULL;
+ reset_xor_gc(cnew); /* foreground ^ background */
+
+ rescale(cnew); /* does a position check */
+ cnew->panner.shadow_valid = False;
+ cnew->panner.tmp.doing = False;
+ cnew->panner.tmp.showing = False;
+ }
+
+static void
+XawPannerRealize(Widget gw, XtValueMask *valuemaskp,
+ XSetWindowAttributes *attr)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ Pixmap pm = XtUnspecifiedPixmap;
+ Bool gotpm = False;
+
+ if (pw->core.background_pixmap == XtUnspecifiedPixmap) {
+ if (pw->panner.stipple_name)
+ pm = BACKGROUND_STIPPLE(pw);
+
+ if (PIXMAP_OKAY(pm)) {
+ attr->background_pixmap = pm;
+ *valuemaskp |= CWBackPixmap;
+ *valuemaskp &= ~CWBackPixel;
+ gotpm = True;
+ }
+ }
+ (*pannerWidgetClass->core_class.superclass->core_class.realize)
+ (gw, valuemaskp, attr);
+
+ if (gotpm)
+ XFreePixmap(XtDisplay(gw), pm);
+}
+
+static void
+XawPannerDestroy(Widget gw)
+{
+ PannerWidget pw = (PannerWidget)gw;
+
+ XtReleaseGC(gw, pw->panner.shadow_gc);
+ XtReleaseGC(gw, pw->panner.slider_gc);
+ XtReleaseGC(gw, pw->panner.xor_gc);
+}
+
+static void
+XawPannerResize(Widget gw)
+{
+ rescale((PannerWidget)gw);
+}
+
+static void
+XawPannerRedisplay(Widget gw, XEvent *event, Region region)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ Display *dpy = XtDisplay(gw);
+ Window w = XtWindow(gw);
+ int pad = pw->panner.internal_border;
+ Dimension lw = pw->panner.line_width;
+ Dimension extra = pw->panner.shadow_thickness + (lw << 1);
+ int kx = pw->panner.knob_x + pad, ky = pw->panner.knob_y + pad;
+
+ if (Superclass->core_class.expose)
+ (Superclass->core_class.expose)(gw, event, region);
+
+ pw->panner.tmp.showing = False;
+ XClearArea(XtDisplay(pw), XtWindow(pw),
+ (int)pw->panner.last_x - ((int)lw) + pad,
+ (int)pw->panner.last_y - ((int)lw) + pad,
+ pw->panner.knob_width + extra,
+ pw->panner.knob_height + extra,
+ False);
+ pw->panner.last_x = pw->panner.knob_x;
+ pw->panner.last_y = pw->panner.knob_y;
+
+ XFillRectangle(dpy, w, pw->panner.slider_gc, kx, ky,
+ pw->panner.knob_width - 1, pw->panner.knob_height - 1);
+
+ if (lw)
+ XDrawRectangle(dpy, w, pw->panner.shadow_gc, kx, ky,
+ pw->panner.knob_width - 1, pw->panner.knob_height - 1);
+
+ if (pw->panner.shadow_valid)
+ XFillRectangles(dpy, w, pw->panner.shadow_gc, pw->panner.shadow_rects, 2);
+
+ if (pw->panner.tmp.doing && pw->panner.rubber_band)
+ DRAW_TMP(pw);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawPannerSetValues(Widget gcur, Widget greq, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ PannerWidget cur = (PannerWidget)gcur;
+ PannerWidget cnew = (PannerWidget)gnew;
+ Bool redisplay = False;
+
+ if (cur->panner.foreground != cnew->panner.foreground) {
+ reset_slider_gc(cnew);
+ if (cur->panner.foreground != cur->core.background_pixel)
+ reset_xor_gc(cnew);
+ redisplay = True;
+ }
+ else if (cur->panner.line_width != cnew->panner.line_width ||
+ cur->core.background_pixel != cnew->core.background_pixel) {
+ reset_xor_gc(cnew);
+ redisplay = True;
+ }
+ if (cur->panner.shadow_color != cnew->panner.shadow_color) {
+ reset_shadow_gc(cnew);
+ if (cur->panner.foreground == cur->core.background_pixel)
+ reset_xor_gc(cnew);
+ redisplay = True;
+ }
+ if (cur->panner.shadow_thickness != cnew->panner.shadow_thickness) {
+ move_shadow(cnew);
+ redisplay = True;
+ }
+ if (cur->panner.rubber_band != cnew->panner.rubber_band) {
+ reset_xor_gc(cnew);
+ if (cnew->panner.tmp.doing)
+ redisplay = True;
+ }
+
+ if ((cur->panner.stipple_name != cnew->panner.stipple_name
+ || cur->panner.shadow_color != cnew->panner.shadow_color
+ || cur->core.background_pixel != cnew->core.background_pixel)
+ && XtIsRealized(gnew)) {
+ Pixmap pm = cnew->panner.stipple_name ?
+ BACKGROUND_STIPPLE(cnew) : XtUnspecifiedPixmap;
+
+ if (PIXMAP_OKAY(pm)) {
+ XSetWindowBackgroundPixmap(XtDisplay(cnew), XtWindow(cnew), pm);
+ XFreePixmap(XtDisplay(cnew), pm);
+ }
+ else
+ XSetWindowBackground(XtDisplay(cnew), XtWindow(cnew),
+ cnew->core.background_pixel);
+
+ redisplay = True;
+ }
+
+ if (cnew->panner.resize_to_pref &&
+ (cur->panner.canvas_width != cnew->panner.canvas_width
+ || cur->panner.canvas_height != cnew->panner.canvas_height
+ || cur->panner.resize_to_pref != cnew->panner.resize_to_pref)) {
+ get_default_size(cnew, &cnew->core.width, &cnew->core.height);
+ redisplay = True;
+ }
+ else if (cur->panner.canvas_width != cnew->panner.canvas_width
+ || cur->panner.canvas_height != cnew->panner.canvas_height
+ || cur->panner.internal_border != cnew->panner.internal_border) {
+ rescale(cnew); /* does a scale_knob as well */
+ redisplay = True;
+ }
+ else {
+ Bool loc = cur->panner.slider_x != cnew->panner.slider_x ||
+ cur->panner.slider_y != cnew->panner.slider_y;
+ Bool siz = cur->panner.slider_width != cnew->panner.slider_width ||
+ cur->panner.slider_height != cnew->panner.slider_height;
+ if (loc || siz || (cur->panner.allow_off != cnew->panner.allow_off
+ && cnew->panner.allow_off)) {
+ scale_knob(cnew, loc, siz);
+ redisplay = True;
+ }
+ }
+
+ return (redisplay);
+}
+
+static void
+XawPannerSetValuesAlmost(Widget gold, Widget gnew, XtWidgetGeometry *req,
+ XtWidgetGeometry *reply)
+{
+ if (reply->request_mode == 0) /* got turned down, so cope */
+ XawPannerResize(gnew);
+
+ (*pannerWidgetClass->core_class.superclass->core_class.set_values_almost)
+ (gold, gnew, req, reply);
+}
+
+static XtGeometryResult
+XawPannerQueryGeometry(Widget gw, XtWidgetGeometry *intended,
+ XtWidgetGeometry *pref)
+{
+ PannerWidget pw = (PannerWidget)gw;
+
+ pref->request_mode = (CWWidth | CWHeight);
+ get_default_size(pw, &pref->width, &pref->height);
+
+ if (((intended->request_mode & (CWWidth | CWHeight)) == (CWWidth | CWHeight))
+ && intended->width == pref->width && intended->height == pref->height)
+ return (XtGeometryYes);
+ else if (pref->width == XtWidth(pw) && pref->height == XtHeight(pw))
+ return (XtGeometryNo);
+
+ return (XtGeometryAlmost);
+}
+
+
+/*ARGSUSED*/
+static void
+ActionStart(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ int x, y;
+
+ if (!get_event_xy(pw, event, &x, &y)) {
+ XBell(XtDisplay(gw), 0);
+ return;
+ }
+
+ pw->panner.tmp.doing = True;
+ pw->panner.tmp.startx = pw->panner.knob_x;
+ pw->panner.tmp.starty = pw->panner.knob_y;
+ pw->panner.tmp.dx = x - pw->panner.knob_x;
+ pw->panner.tmp.dy = y - pw->panner.knob_y;
+ pw->panner.tmp.x = pw->panner.knob_x;
+ pw->panner.tmp.y = pw->panner.knob_y;
+ if (pw->panner.rubber_band)
+ DRAW_TMP(pw);
+}
+
+/*ARGSUSED*/
+static void
+ActionStop(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ int x, y;
+
+ if (get_event_xy(pw, event, &x, &y)) {
+ pw->panner.tmp.x = x - pw->panner.tmp.dx;
+ pw->panner.tmp.y = y - pw->panner.tmp.dy;
+ if (!pw->panner.allow_off)
+ check_knob(pw, False);
+ }
+ if (pw->panner.rubber_band)
+ DRAW_TMP(pw);
+ pw->panner.tmp.doing = False;
+}
+
+static void
+ActionAbort(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+
+ if (!pw->panner.tmp.doing)
+ return;
+
+ if (pw->panner.rubber_band)
+ UNDRAW_TMP(pw);
+
+ if (!pw->panner.rubber_band) { /* restore old position */
+ pw->panner.tmp.x = pw->panner.tmp.startx;
+ pw->panner.tmp.y = pw->panner.tmp.starty;
+ ActionNotify(gw, event, params, num_params);
+ }
+ pw->panner.tmp.doing = False;
+}
+
+static void
+ActionMove(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ int x, y;
+
+ if (!pw->panner.tmp.doing)
+ return;
+
+ if (!get_event_xy(pw, event, &x, &y)) {
+ XBell(XtDisplay(gw), 0); /* should do error message */
+ return;
+ }
+
+ if (pw->panner.rubber_band)
+ UNDRAW_TMP(pw);
+ pw->panner.tmp.x = x - pw->panner.tmp.dx;
+ pw->panner.tmp.y = y - pw->panner.tmp.dy;
+
+ if (!pw->panner.rubber_band)
+ ActionNotify(gw, event, params, num_params);
+ else {
+ if (!pw->panner.allow_off)
+ check_knob(pw, False);
+ DRAW_TMP(pw);
+ }
+}
+
+
+static void
+ActionPage(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ Cardinal zero = 0;
+ Bool isin = pw->panner.tmp.doing;
+ int x, y;
+ Bool relx, rely;
+ int pad = pw->panner.internal_border << 1;
+
+ if (*num_params != 2) {
+ XBell(XtDisplay(gw), 0);
+ return;
+ }
+
+ x = parse_page_string(params[0], pw->panner.knob_width,
+ (int)XtWidth(pw) - pad, &relx);
+ y = parse_page_string(params[1], pw->panner.knob_height,
+ (int)XtHeight(pw) - pad, &rely);
+
+ if (relx)
+ x += pw->panner.knob_x;
+ if (rely)
+ y += pw->panner.knob_y;
+
+ if (isin) { /* if in, then use move */
+ XEvent ev;
+
+ ev.xbutton.type = ButtonPress;
+ ev.xbutton.x = x;
+ ev.xbutton.y = y;
+ ActionMove(gw, &ev, NULL, &zero);
+ }
+ else {
+ pw->panner.tmp.doing = True;
+ pw->panner.tmp.x = x;
+ pw->panner.tmp.y = y;
+ ActionNotify(gw, event, NULL, &zero);
+ pw->panner.tmp.doing = False;
+ }
+}
+
+/*ARGSUSED*/
+static void
+ActionNotify(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+
+ if (!pw->panner.tmp.doing)
+ return;
+
+ if (!pw->panner.allow_off)
+ check_knob(pw, False);
+ pw->panner.knob_x = pw->panner.tmp.x;
+ pw->panner.knob_y = pw->panner.tmp.y;
+ move_shadow(pw);
+
+ pw->panner.slider_x = (Position)((double)pw->panner.knob_x
+ / pw->panner.haspect + 0.5);
+ pw->panner.slider_y = (Position)((double) pw->panner.knob_y
+ / pw->panner.vaspect + 0.5);
+ if (!pw->panner.allow_off) {
+ Position tmp;
+
+ if (pw->panner.slider_x
+ > (tmp = (Position)pw->panner.canvas_width -
+ (Position)pw->panner.slider_width))
+ pw->panner.slider_x = tmp;
+ if (pw->panner.slider_x < 0)
+ pw->panner.slider_x = 0;
+ if (pw->panner.slider_y
+ > (tmp = (Position)pw->panner.canvas_height -
+ (Position)pw->panner.slider_height))
+ pw->panner.slider_y = tmp;
+ if (pw->panner.slider_y < 0)
+ pw->panner.slider_y = 0;
+ }
+
+ if (pw->panner.last_x != pw->panner.knob_x ||
+ pw->panner.last_y != pw->panner.knob_y) {
+ XawPannerReport rep;
+
+ XawPannerRedisplay(gw, NULL, NULL);
+ rep.changed = XawPRSliderX | XawPRSliderY;
+ rep.slider_x = pw->panner.slider_x;
+ rep.slider_y = pw->panner.slider_y;
+ rep.slider_width = pw->panner.slider_width;
+ rep.slider_height = pw->panner.slider_height;
+ rep.canvas_width = pw->panner.canvas_width;
+ rep.canvas_height = pw->panner.canvas_height;
+ XtCallCallbackList(gw, pw->panner.report_callbacks, (XtPointer)&rep);
+ }
+}
+
+/*ARGSUSED*/
+static void
+ActionSet(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ PannerWidget pw = (PannerWidget)gw;
+ Bool rb;
+
+ if (*num_params < 2 ||
+ XmuCompareISOLatin1(params[0], "rubberband") != 0) {
+ XBell(XtDisplay(gw), 0);
+ return;
+ }
+
+ if (XmuCompareISOLatin1(params[1], "on") == 0)
+ rb = True;
+ else if (XmuCompareISOLatin1(params[1], "off") == 0)
+ rb = False;
+ else if (XmuCompareISOLatin1(params[1], "toggle") == 0)
+ rb = !pw->panner.rubber_band;
+ else {
+ XBell(XtDisplay(gw), 0);
+ return;
+ }
+
+ if (rb != pw->panner.rubber_band) {
+ Arg args[1];
+
+ XtSetArg(args[0], XtNrubberBand, rb);
+ XtSetValues(gw, args, 1);
+ }
+}
diff --git a/libXaw/src/Pixmap.c b/libXaw/src/Pixmap.c index e4ac9b4bb..92880c247 100644 --- a/libXaw/src/Pixmap.c +++ b/libXaw/src/Pixmap.c @@ -1,991 +1,995 @@ -/* - * Copyright (c) 1998 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <X11/IntrinsicP.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xfuncs.h> -#include <X11/extensions/shape.h> -#ifndef OLDXAW -#include <X11/xpm.h> -#endif -#include "Private.h" - -#ifdef __UNIXOS2__ -static char dummy; -#endif - -#ifndef OLDXAW - -/* - * Types - */ -typedef struct _XawCache { - long value; - XtPointer *elems; - unsigned int num_elems; -} XawCache; - -typedef struct _XawPixmapLoaderInfo { - XawPixmapLoader loader; - String type; - String ext; -} XawPixmapLoaderInfo; - -/* - * Private Methods - */ -static Bool BitmapLoader(XawParams*, Screen*, Colormap, int, - Pixmap*, Pixmap*, Dimension*, Dimension*); -static Bool GradientLoader(XawParams*, Screen*, Colormap, int, - Pixmap*, Pixmap*, Dimension*, Dimension*); -static Bool XPixmapLoader(XawParams*, Screen*, Colormap, int, - Pixmap*, Pixmap*, Dimension*, Dimension*); -static XawPixmap *_XawFindPixmap(String, Screen*, Colormap, int); -static void _XawCachePixmap(XawPixmap*, Screen*, Colormap, int); -static int _XawFindPixmapLoaderIndex(String, String); -static int qcmp_long(register _Xconst void*, register _Xconst void *); -static int bcmp_long(register _Xconst void*, register _Xconst void *); -static int qcmp_string(register _Xconst void*, register _Xconst void *); -static int bcmp_string(register _Xconst void*, register _Xconst void *); -static void GetResourcePixmapPath(Display*); - -/* - * Initialization - */ -static XawCache xaw_pixmaps; -static XawCache x_pixmaps; /* for fast reverse search */ -static XawPixmapLoaderInfo **loader_info; -static Cardinal num_loader_info; - -/* - * Implementation - */ -Bool -XawPixmapsInitialize(void) -{ - static Boolean first_time = True; - - if (!first_time) - return (False); - - (void)XawAddPixmapLoader(NULL, NULL, BitmapLoader); - (void)XawAddPixmapLoader("bitmap", NULL, BitmapLoader); - (void)XawAddPixmapLoader("gradient", NULL, GradientLoader); - (void)XawAddPixmapLoader("xpm", "xpm", XPixmapLoader); - - return (True); -} - -XawParams * -XawParseParamsString(String name) -{ - XawParams *xaw_params; - char *tok, *str, *type = NULL, *ext = NULL, *params = NULL; - - if (!name) - return (NULL); - - xaw_params = (XawParams *)XtMalloc(sizeof(XawParams)); - - str = XtNewString(name); - - /* Find type */ - tok = str; - while (tok = strchr(tok, ':'), tok) - { - if (tok == str || tok[-1] != '\\') - break; - memmove(&tok[-1], tok, strlen(tok) + 1); - } - if (tok) - { - *tok = '\0'; - if (strchr(str, '?')) - { - *tok = ':'; - } - else - { - ++tok; - type = XtNewString(str); - memmove(str, tok, strlen(tok) + 1); - } - } - - /* Find params */ - tok = str; - while (tok = strchr(tok, '?'), tok) - { - if (tok == str || tok[-1] != '\\') - params = tok; - if (tok != str && tok[-1] == '\\') - memmove(&tok[-1], tok, strlen(tok) + 1); - else - break; - } - if (params) - { - *params = '\0'; - ++params; - } - - /* Find ext */ - tok = str; - while (tok = strchr(tok, '.'), tok) - { - if (tok == str || tok[-1] != '\\') - ext = tok; - if (tok != str && tok[-1] == '\\') - memmove(&tok[-1], tok, strlen(tok) + 1); - else - break; - } - if (ext) - { - ++ext; - if (strchr(ext, '/')) - ext = NULL; - } - - xaw_params->name = XtNewString(str); - xaw_params->type = type; - xaw_params->ext = ext ? XtNewString(ext) : ext; - xaw_params->args = NULL; - xaw_params->num_args = 0; - - /* Parse params */ - if (params) - { - char *arg, *val; - XawArgVal *xaw_arg; - - for (tok = strtok(params, "&"); tok; tok = strtok(NULL, "&")) - { - val = strchr(tok, '='); - if (val) - { - *val = '\0'; - ++val; - if (*val != '\0') - val = XtNewString(val); - else - val = NULL; - } - arg = XtNewString(tok); - xaw_arg = (XawArgVal *)XtMalloc(sizeof(XawArgVal)); - xaw_arg->name = arg; - xaw_arg->value = val; - if (!xaw_params->num_args) - { - xaw_params->num_args = 1; - xaw_params->args = (XawArgVal **) - XtMalloc(sizeof(XawArgVal*)); - } - else - { - ++xaw_params->num_args; - xaw_params->args = (XawArgVal **) - XtRealloc((char *)xaw_params->args, - sizeof(XawArgVal*) * xaw_params->num_args); - } - xaw_params->args[xaw_params->num_args - 1] = xaw_arg; - } - } - - if (xaw_params->num_args > 1) - qsort(xaw_params->args, xaw_params->num_args, sizeof(XtPointer), - qcmp_string); - - XtFree(str); - - return (xaw_params); -} - -void -XawFreeParamsStruct(XawParams *params) -{ - unsigned int i; - - if (!params) - return; - - for (i = 0; i < params->num_args; i++) - { - XtFree(params->args[i]->name); - if (params->args[i]->value) - XtFree(params->args[i]->value); - XtFree((char *)params->args[i]); - } - - if (params->args) - XtFree((char *)params->args); - XtFree((char *)params); -} - -XawArgVal * -XawFindArgVal(XawParams *params, String name) -{ - XawArgVal **arg_val; - - if (!params->args) - return (NULL); - - arg_val = (XawArgVal **)bsearch((void *)name, params->args, - params->num_args, sizeof(XtPointer*), - bcmp_string); - if (!arg_val) - return (NULL); - - return (*arg_val); -} - -XawPixmap * -XawLoadPixmap(String name, Screen *screen, Colormap colormap, int depth) -{ - int idx; - Bool success; - XawPixmap *xaw_pixmap; - Pixmap pixmap, mask; - Dimension width, height; - XawParams *xaw_params; - - if (!name) - return (NULL); - - xaw_pixmap = _XawFindPixmap(name, screen, colormap, depth); - - if (xaw_pixmap) - return (xaw_pixmap); - - if ((xaw_params = XawParseParamsString(name)) == NULL) - return (NULL); - - idx = _XawFindPixmapLoaderIndex(xaw_params->type, xaw_params->ext); - if (idx < 0) - return (NULL); - -#ifdef DIAGNOSTIC - fprintf(stderr, "(*) Loading pixmap \"%s\": ", name); -#endif - - success = loader_info[idx]->loader(xaw_params, screen, colormap, depth, - &pixmap, &mask, &width, &height); - if (success) - { - xaw_pixmap = (XawPixmap *)XtMalloc(sizeof(XawPixmap)); - xaw_pixmap->name = XtNewString(name); - xaw_pixmap->pixmap = pixmap; - xaw_pixmap->mask = mask; - xaw_pixmap->width = width; - xaw_pixmap->height = height; - _XawCachePixmap(xaw_pixmap, screen, colormap, depth); - } - - XawFreeParamsStruct(xaw_params); - -#ifdef DIAGNOSTIC - fprintf(stderr, "%s", success ? "success\n" : "failed\n"); -#endif - - return (success ? xaw_pixmap : NULL); -} - -Bool -XawAddPixmapLoader(String type, String ext, XawPixmapLoader loader) -{ - XawPixmapLoaderInfo *info; - int i; - - if (!loader) - return (False); - - i = _XawFindPixmapLoaderIndex(type, ext); - - if (i >= 0) - { - loader_info[i]->loader = loader; - if (loader_info[i]->type) - XtFree(loader_info[i]->type); - if (loader_info[i]->ext) - XtFree(loader_info[i]->ext); - loader_info[i]->type = type ? XtNewString(type) : NULL; - loader_info[i]->ext = ext ? XtNewString(ext) : NULL; - return (True); - } - - if ((info = (XawPixmapLoaderInfo *)XtMalloc(sizeof(XawPixmapLoaderInfo))) - == NULL) - return (False); - - info->loader = loader; - info->type = type ? XtNewString(type) : NULL; - info->ext = ext ? XtNewString(ext) : NULL; - - if (!loader_info) - { - num_loader_info = 1; - loader_info = (XawPixmapLoaderInfo**) - XtMalloc(sizeof(XawPixmapLoaderInfo*)); - } - else - { - ++num_loader_info; - loader_info = (XawPixmapLoaderInfo**) - XtRealloc((char *)loader_info, - sizeof(XawPixmapLoaderInfo) * num_loader_info); - } - loader_info[num_loader_info - 1] = info; - - return (True); -} - -static int -_XawFindPixmapLoaderIndex(String type, String ext) -{ - Cardinal i; - - if (!loader_info) - return (-1); - - for (i = 0; i < num_loader_info; i++) - if ((type && loader_info[i]->type && strcmp(type, loader_info[i]->type) == 0) - || (ext && loader_info[i]->ext && strcmp(ext, loader_info[i]->ext) == 0)) - return ((int)i); - - if (!type) - return (0); /* try a bitmap */ - - return (-1); -} - -static int -qcmp_x_cache(register _Xconst void *left, register _Xconst void *right) -{ - return ((int)((*(XawPixmap **)left)->pixmap) - - (int)((*(XawPixmap **)right)->pixmap)); -} - -static int -bcmp_x_cache(register _Xconst void *pixmap, register _Xconst void *xaw) -{ - return (int)((long)pixmap - (long)((*(XawPixmap **)xaw)->pixmap)); -} - -static int -qcmp_long(register _Xconst void *left, register _Xconst void *right) -{ - return ((long)((*(XawCache **)left)->value) - - (long)((*(XawCache **)right)->value)); -} - -static int -qcmp_string(register _Xconst void *left, register _Xconst void *right) -{ - return (strcmp((String)((*(XawCache **)left)->value), - (String)((*(XawCache **)right)->value))); -} - -static int -bcmp_long(register _Xconst void *value, register _Xconst void *cache) -{ - return ((long)value - (long)((*(XawCache **)cache)->value)); -} - -static int -bcmp_string(register _Xconst void *string, - register _Xconst void *cache) -{ - return (strcmp((String)string, (String)((*(XawCache **)cache)->value))); -} - -#define FIND_ALL 0 -#define FIND_SCREEN 1 -#define FIND_COLORMAP 2 -#define FIND_DEPTH 3 -static XawCache * -_XawFindCache(XawCache *xaw, - Screen *screen, Colormap colormap, int depth, int flags) -{ - XawCache **cache; - - if (!xaw->num_elems) - return (NULL); - - /* Screen */ - cache = (XawCache **)bsearch(screen, xaw->elems, - xaw->num_elems, sizeof(XtPointer), - bcmp_long); - if (!cache || !(*cache)->num_elems) - return (NULL); - if (flags == FIND_SCREEN) - return (*cache); - - /* Colormap */ - cache = (XawCache **)bsearch((void *)colormap, (*cache)->elems, - (*cache)->num_elems, sizeof(XtPointer), - bcmp_long); - if (!cache || !(*cache)->num_elems) - return (NULL); - if (flags == FIND_COLORMAP) - return (*cache); - - /* Depth */ - cache = (XawCache **)bsearch((void *)(long)depth, (*cache)->elems, - (*cache)->num_elems, sizeof(XtPointer), - bcmp_long); - - if (!cache || !(*cache)->num_elems) - return (NULL); - return (*cache); -} - -static XawCache * -_XawGetCache(XawCache *xaw, Screen *screen, Colormap colormap, int depth) -{ - XawCache *s_cache, *c_cache, *d_cache, *cache, *pcache; - - cache = _XawFindCache(xaw, screen, colormap, depth, FIND_ALL); - - if (!cache) - { - s_cache = _XawFindCache(xaw, - screen, colormap, depth, FIND_SCREEN); - if (!s_cache) - { - pcache = (XawCache *)XtMalloc(sizeof(XawCache)); - if (!xaw->num_elems) - { - xaw->num_elems = 1; - xaw->elems = (XtPointer*)XtMalloc(sizeof(XtPointer)); - } - else - { - ++xaw->num_elems; - xaw->elems = (XtPointer*) - XtRealloc((char *)xaw->elems, - sizeof(XtPointer) * xaw->num_elems); - } - pcache->value = (long)screen; - pcache->elems = NULL; - pcache->num_elems = 0; - xaw->elems[xaw->num_elems - 1] = (XtPointer)pcache; - s_cache = (XawCache *)xaw->elems[xaw->num_elems - 1]; - if (xaw->num_elems > 1) - qsort(xaw->elems, xaw->num_elems, sizeof(XtPointer), qcmp_long); - } - - c_cache = _XawFindCache(xaw, - screen, colormap, depth, FIND_COLORMAP); - if (!c_cache) - { - pcache = (XawCache *)XtMalloc(sizeof(XawCache)); - if (!s_cache->num_elems) - { - s_cache->num_elems = 1; - s_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer)); - } - else - { - ++s_cache->num_elems; - s_cache->elems = (XtPointer*) - XtRealloc((char *)s_cache->elems, - sizeof(XtPointer) * s_cache->num_elems); - } - pcache->value = (long)colormap; - pcache->elems = NULL; - pcache->num_elems = 0; - s_cache->elems[s_cache->num_elems - 1] = (XtPointer)pcache; - c_cache = (XawCache *)s_cache->elems[s_cache->num_elems - 1]; - if (s_cache->num_elems > 1) - qsort(s_cache->elems, s_cache->num_elems, - sizeof(XtPointer), qcmp_long); - } - - d_cache = _XawFindCache(xaw, - screen, colormap, depth, FIND_DEPTH); - if (!d_cache) - { - pcache = (XawCache *)XtMalloc(sizeof(XawCache)); - if (!c_cache->num_elems) - { - c_cache->num_elems = 1; - c_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer)); - } - else - { - ++c_cache->num_elems; - c_cache->elems = (XtPointer*) - XtRealloc((char *)c_cache->elems, - sizeof(XtPointer) * c_cache->num_elems); - } - pcache->value = (long)depth; - pcache->elems = NULL; - pcache->num_elems = 0; - c_cache->elems[c_cache->num_elems - 1] = (XtPointer)pcache; - d_cache = (XawCache *)c_cache->elems[c_cache->num_elems - 1]; - if (c_cache->num_elems > 1) - qsort(c_cache->elems, c_cache->num_elems, - sizeof(XtPointer), qcmp_long); - } - - cache = d_cache; - } - - return (cache); -} - -static XawPixmap * -_XawFindPixmap(String name, Screen *screen, Colormap colormap, int depth) -{ - XawCache *cache; - XawPixmap **pixmap; - - cache = _XawFindCache(&xaw_pixmaps, screen, colormap, depth, FIND_ALL); - - if (!cache) - return (NULL); - - /* Name */ - pixmap = (XawPixmap **)bsearch((void *)name, cache->elems, - cache->num_elems, sizeof(XtPointer), - bcmp_string); - if (!pixmap) - return (NULL); - - return (*pixmap); -} - -XawPixmap * -XawPixmapFromXPixmap(Pixmap pixmap, - Screen *screen, Colormap colormap, int depth) -{ - XawCache *cache; - XawPixmap **x_pixmap; - - cache = _XawFindCache(&x_pixmaps, screen, colormap, depth, FIND_ALL); - - if (!cache) - return (NULL); - - /* Pixmap */ - x_pixmap = (XawPixmap **)bsearch((void *)pixmap, cache->elems, - cache->num_elems, sizeof(XtPointer), - bcmp_x_cache); - if (!x_pixmap) - return (NULL); - - return (*x_pixmap); -} - -static void -_XawCachePixmap(XawPixmap *pixmap, - Screen *screen, Colormap colormap, int depth) -{ - XawCache *xaw_cache, *x_cache; - - xaw_cache = _XawGetCache(&xaw_pixmaps, screen, colormap, depth); - x_cache = _XawGetCache(&x_pixmaps, screen, colormap, depth); - - if (!xaw_cache->num_elems) - { - xaw_cache->num_elems = 1; - xaw_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer)); - } - else - { - ++xaw_cache->num_elems; - xaw_cache->elems = (XtPointer*)XtRealloc((char *)xaw_cache->elems, - sizeof(XtPointer) * - xaw_cache->num_elems); - } - - xaw_cache->elems[xaw_cache->num_elems - 1] = (XtPointer)pixmap; - if (xaw_cache->num_elems > 1) - qsort(xaw_cache->elems, xaw_cache->num_elems, - sizeof(XtPointer), qcmp_string); - - - if (!x_cache->num_elems) - { - x_cache->num_elems = 1; - x_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer)); - } - else - { - ++x_cache->num_elems; - x_cache->elems = (XtPointer*)XtRealloc((char *)x_cache->elems, - sizeof(XtPointer) * - x_cache->num_elems); - } - - x_cache->elems[x_cache->num_elems - 1] = (XtPointer)pixmap; - if (x_cache->num_elems > 1) - qsort(x_cache->elems, x_cache->num_elems, sizeof(XtPointer), qcmp_x_cache); -} - -#ifndef PROJECT_ROOT -#define PROJECT_ROOT "/usr/X11R6" -#endif - -static char *pixmap_path = NULL; - -static void -GetResourcePixmapPath(Display *display) -{ - XrmName xrm_name[2]; - XrmClass xrm_class[2]; - XrmRepresentation rep_type; - XrmValue value; - static char *default_path = - "%H/%T/%N:%P/include/X11/%T/%N:/usr/X11R6/include/X11/%T/%N:/usr/include/X11/%T/%N:%N"; - - xrm_name[0] = XrmPermStringToQuark("pixmapFilePath"); - xrm_name[1] = NULLQUARK; - xrm_class[0] = XrmPermStringToQuark("PixmapFilePath"); - xrm_class[1] = NULLQUARK; - if (!XrmGetDatabase(display)) - (void) XGetDefault(display, "", ""); - if (XrmQGetResource(XrmGetDatabase(display), xrm_name, xrm_class, - &rep_type, &value) && - rep_type == XrmPermStringToQuark("String")) { - int length = 0; - char *tok, *buffer = XtNewString(value.addr); - - for (tok = strtok(buffer, ":"); tok; tok = strtok(NULL, ":")) { - int toklen = strlen(tok); - - if (toklen) { - pixmap_path = XtRealloc(pixmap_path, length + toklen + 5); - strcpy(pixmap_path + length, tok); - if (length) - pixmap_path[length++] = ':'; - sprintf(pixmap_path + length, "%s/%%N", tok); - length += strlen(tok) + 3; - } - } - pixmap_path = XtRealloc(pixmap_path, length + strlen(default_path) + 2); - if (length) - pixmap_path[length++] = ':'; - strcpy(pixmap_path + length, default_path); - } - else - pixmap_path = default_path; -} - -static Bool -BitmapLoader(XawParams *params, Screen *screen, Colormap colormap, int depth, - Pixmap *pixmap_return, Pixmap *mask_return, - Dimension *width_return, Dimension *height_return) -{ - Pixel fg, bg; - XColor color, exact; - Pixmap pixmap; - unsigned int width, height; - unsigned char *data = NULL; - int hotX, hotY; - XawArgVal *argval; - Bool retval = False; - static SubstitutionRec sub[] = { - {'H', NULL}, - {'N', NULL}, - {'T', "bitmaps"}, - {'P', PROJECT_ROOT}, - }; - char *filename; - - fg = BlackPixelOfScreen(screen); - bg = WhitePixelOfScreen(screen); - - if ((argval = XawFindArgVal(params, "foreground")) != NULL - && argval->value) - { - if (XAllocNamedColor(DisplayOfScreen(screen), colormap, argval->value, - &color, &exact)) - fg = color.pixel; - else - return (False); - } - if ((argval = XawFindArgVal(params, "background")) != NULL - && argval->value) - { - if (XAllocNamedColor(DisplayOfScreen(screen), colormap, argval->value, - &color, &exact)) - bg = color.pixel; - else - return (False); - } - - if (params->name[0] != '/' && params->name[0] != '.') - { - if (!sub[0].substitution) - sub[0].substitution = getenv("HOME"); - sub[1].substitution = params->name; - if (pixmap_path == NULL) - GetResourcePixmapPath(DisplayOfScreen(screen)); - filename = XtFindFile(pixmap_path, sub, XtNumber(sub), NULL); - if (!filename) - return (FALSE); - } - else - filename = params->name; - - if (XReadBitmapFileData(filename, &width, &height, &data, - &hotX, &hotY) == BitmapSuccess) - { - pixmap = XCreatePixmapFromBitmapData(DisplayOfScreen(screen), - RootWindowOfScreen(screen), - (char *)data, - width, height, fg, bg, depth); - if (data) - XFree(data); - *pixmap_return = pixmap; - *mask_return = None; - *width_return = width; - *height_return = height; - - retval = True; - } - - if (filename != params->name) - XtFree(filename); - - return (retval); -} - -#define VERTICAL 1 -#define HORIZONTAL 2 -static Bool -GradientLoader(XawParams *params, Screen *screen, Colormap colormap, int depth, - Pixmap *pixmap_return, Pixmap *mask_return, - Dimension *width_return, Dimension *height_return) -{ - double ired, igreen, iblue, red, green, blue; - XColor start, end, color; - XGCValues values; - GC gc; - double i, inc, x, y, xend, yend; - Pixmap pixmap; - XawArgVal *argval; - int orientation, dimension, steps; - char *value; - - if (XmuCompareISOLatin1(params->name, "vertical") == 0) - orientation = VERTICAL; - else if (XmuCompareISOLatin1(params->name, "horizontal") == 0) - orientation = HORIZONTAL; - else - return (False); - - if ((argval = XawFindArgVal(params, "dimension")) != NULL - && argval->value) - { - dimension = atoi(argval->value); - if (dimension <= 0) - return (False); - } - else - dimension = 50; - - if ((argval = XawFindArgVal(params, "steps")) != NULL - && argval->value) - { - steps = atoi(argval->value); - if (steps <= 0) - return (False); - } - else - steps = dimension; - - steps = XawMin(steps, dimension); - - value = NULL; - if ((argval = XawFindArgVal(params, "start")) != NULL) - value = argval->value; - if (value && !XAllocNamedColor(DisplayOfScreen(screen), colormap, value, - &start, &color)) - return (False); - else if (!value) - { - start.pixel = WhitePixelOfScreen(screen); - XQueryColor(DisplayOfScreen(screen), colormap, &start); - } - value = NULL; - if ((argval = XawFindArgVal(params, "end")) != NULL) - value = argval->value; - if (value && !XAllocNamedColor(DisplayOfScreen(screen), colormap, value, - &end, &color)) - return (False); - else if (!value) - { - end.pixel = BlackPixelOfScreen(screen); - XQueryColor(DisplayOfScreen(screen), colormap, &end); - } - - if ((pixmap = XCreatePixmap(DisplayOfScreen(screen), - RootWindowOfScreen(screen), - orientation == VERTICAL ? 1 : dimension, - orientation == VERTICAL ? dimension : 1, depth)) - == 0) - return (False); - - ired = (double)(end.red - start.red) / (double)steps; - igreen = (double)(end.green - start.green) / (double)steps; - iblue = (double)(end.blue - start.blue) / (double)steps; - - red = color.red = start.red; - green = color.green = start.green; - blue = color.blue = start.blue; - - inc = (double)dimension / (double)steps; - - gc = XCreateGC(DisplayOfScreen(screen), pixmap, 0, &values); - - x = y = 0.0; - if (orientation == VERTICAL) - { - xend = 1; - yend = 0; - } - else - { - xend = 0; - yend = 1; - } - - color.flags = DoRed | DoGreen | DoBlue; - - XSetForeground(DisplayOfScreen(screen), gc, start.pixel); - for (i = 0.0; i < dimension; i += inc) - { - if ((int)color.red != (int)red || (int)color.green != (int)green - || (int)color.blue != (int)blue) - { - XFillRectangle(DisplayOfScreen(screen), pixmap, gc, (int)x, (int)y, - (unsigned int)xend, (unsigned int)yend); - color.red = (unsigned short)red; - color.green = (unsigned short)green; - color.blue = (unsigned short)blue; - if (!XAllocColor(DisplayOfScreen(screen), colormap, &color)) - { - XFreePixmap(DisplayOfScreen(screen), pixmap); - return (False); - } - XSetForeground(DisplayOfScreen(screen), gc, color.pixel); - if (orientation == VERTICAL) - y = yend; - else - x = xend; - } - red += ired; - green += igreen; - blue += iblue; - if (orientation == VERTICAL) - yend += inc; - else - xend += inc; - } - XFillRectangle(DisplayOfScreen(screen), pixmap, gc, (int)x, (int)y, - (unsigned int)xend, (unsigned int)yend); - - *pixmap_return = pixmap; - *mask_return = None; - *width_return = orientation == VERTICAL ? 1 : dimension; - *height_return = orientation == VERTICAL ? dimension : 1; - - XFreeGC(DisplayOfScreen(screen), gc); - - return (True); -} - -static Bool -XPixmapLoader(XawParams *params, Screen *screen, Colormap colormap, int depth, - Pixmap *pixmap_return, Pixmap *mask_return, - Dimension *width_return, Dimension *height_return) -{ - XpmAttributes xpm_attributes; - XawArgVal *argval; - unsigned int closeness = 4000; - static SubstitutionRec sub[] = { - {'H', NULL}, - {'N', NULL}, - {'T', "pixmaps"}, - {'P', PROJECT_ROOT}, - }; - char *filename; - - if ((argval = XawFindArgVal(params, "closeness")) != NULL - && argval->value) - closeness = atoi(argval->value); - - if (params->name[0] != '/' && params->name[0] != '.') - { - if (!sub[0].substitution) - sub[0].substitution = getenv("HOME"); - sub[1].substitution = params->name; - if (pixmap_path == NULL) - GetResourcePixmapPath(DisplayOfScreen(screen)); - filename = XtFindFile(pixmap_path, sub, XtNumber(sub), NULL); - if (!filename) - return (False); - } - else - filename = params->name; - - xpm_attributes.colormap = colormap; - xpm_attributes.closeness = closeness; - xpm_attributes.valuemask = XpmSize | XpmColormap | XpmCloseness; - if (XpmReadFileToPixmap(DisplayOfScreen(screen), - RootWindowOfScreen(screen), filename, pixmap_return, - mask_return, &xpm_attributes) == XpmSuccess) - { - *width_return = xpm_attributes.width; - *height_return = xpm_attributes.height; - - return (True); - } - - return (False); -} - -void -XawReshapeWidget(Widget w, XawPixmap *pixmap) -{ - if (!pixmap || pixmap->mask == None) - XShapeCombineMask(XtDisplay(w), XtWindow(w), ShapeBounding, 0, 0, - None, ShapeSet); - else - XShapeCombineMask(XtDisplay(w), XtWindow(w), ShapeBounding, 0, 0, - pixmap->mask, ShapeSet); -} - -#endif /* OLDXAW */ +/*
+ * Copyright (c) 1998 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/IntrinsicP.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xfuncs.h>
+#include <X11/extensions/shape.h>
+#ifndef OLDXAW
+#include <X11/xpm.h>
+#endif
+#include "Private.h"
+
+#ifdef __UNIXOS2__
+static char dummy;
+#endif
+
+#ifndef OLDXAW
+
+/*
+ * Types
+ */
+typedef struct _XawCache {
+ long value;
+ XtPointer *elems;
+ unsigned int num_elems;
+} XawCache;
+
+typedef struct _XawPixmapLoaderInfo {
+ XawPixmapLoader loader;
+ String type;
+ String ext;
+} XawPixmapLoaderInfo;
+
+/*
+ * Private Methods
+ */
+static Bool BitmapLoader(XawParams*, Screen*, Colormap, int,
+ Pixmap*, Pixmap*, Dimension*, Dimension*);
+static Bool GradientLoader(XawParams*, Screen*, Colormap, int,
+ Pixmap*, Pixmap*, Dimension*, Dimension*);
+static Bool XPixmapLoader(XawParams*, Screen*, Colormap, int,
+ Pixmap*, Pixmap*, Dimension*, Dimension*);
+static XawPixmap *_XawFindPixmap(String, Screen*, Colormap, int);
+static void _XawCachePixmap(XawPixmap*, Screen*, Colormap, int);
+static int _XawFindPixmapLoaderIndex(String, String);
+static int qcmp_long(register _Xconst void*, register _Xconst void *);
+static int bcmp_long(register _Xconst void*, register _Xconst void *);
+static int qcmp_string(register _Xconst void*, register _Xconst void *);
+static int bcmp_string(register _Xconst void*, register _Xconst void *);
+static void GetResourcePixmapPath(Display*);
+
+/*
+ * Initialization
+ */
+static XawCache xaw_pixmaps;
+static XawCache x_pixmaps; /* for fast reverse search */
+static XawPixmapLoaderInfo **loader_info;
+static Cardinal num_loader_info;
+
+/*
+ * Implementation
+ */
+Bool
+XawPixmapsInitialize(void)
+{
+ static Boolean first_time = True;
+
+ if (!first_time)
+ return (False);
+
+ (void)XawAddPixmapLoader(NULL, NULL, BitmapLoader);
+ (void)XawAddPixmapLoader("bitmap", NULL, BitmapLoader);
+ (void)XawAddPixmapLoader("gradient", NULL, GradientLoader);
+ (void)XawAddPixmapLoader("xpm", "xpm", XPixmapLoader);
+
+ return (True);
+}
+
+XawParams *
+XawParseParamsString(String name)
+{
+ XawParams *xaw_params;
+ char *tok, *str, *type = NULL, *ext = NULL, *params = NULL;
+
+ if (!name)
+ return (NULL);
+
+ xaw_params = (XawParams *)XtMalloc(sizeof(XawParams));
+
+ str = XtNewString(name);
+
+ /* Find type */
+ tok = str;
+ while (tok = strchr(tok, ':'), tok)
+ {
+ if (tok == str || tok[-1] != '\\')
+ break;
+ memmove(&tok[-1], tok, strlen(tok) + 1);
+ }
+ if (tok)
+ {
+ *tok = '\0';
+ if (strchr(str, '?'))
+ {
+ *tok = ':';
+ }
+ else
+ {
+ ++tok;
+ type = XtNewString(str);
+ memmove(str, tok, strlen(tok) + 1);
+ }
+ }
+
+ /* Find params */
+ tok = str;
+ while (tok = strchr(tok, '?'), tok)
+ {
+ if (tok == str || tok[-1] != '\\')
+ params = tok;
+ if (tok != str && tok[-1] == '\\')
+ memmove(&tok[-1], tok, strlen(tok) + 1);
+ else
+ break;
+ }
+ if (params)
+ {
+ *params = '\0';
+ ++params;
+ }
+
+ /* Find ext */
+ tok = str;
+ while (tok = strchr(tok, '.'), tok)
+ {
+ if (tok == str || tok[-1] != '\\')
+ ext = tok;
+ if (tok != str && tok[-1] == '\\')
+ memmove(&tok[-1], tok, strlen(tok) + 1);
+ else
+ break;
+ }
+ if (ext)
+ {
+ ++ext;
+ if (strchr(ext, '/'))
+ ext = NULL;
+ }
+
+ xaw_params->name = XtNewString(str);
+ xaw_params->type = type;
+ xaw_params->ext = ext ? XtNewString(ext) : ext;
+ xaw_params->args = NULL;
+ xaw_params->num_args = 0;
+
+ /* Parse params */
+ if (params)
+ {
+ char *arg, *val;
+ XawArgVal *xaw_arg;
+
+ for (tok = strtok(params, "&"); tok; tok = strtok(NULL, "&"))
+ {
+ val = strchr(tok, '=');
+ if (val)
+ {
+ *val = '\0';
+ ++val;
+ if (*val != '\0')
+ val = XtNewString(val);
+ else
+ val = NULL;
+ }
+ arg = XtNewString(tok);
+ xaw_arg = (XawArgVal *)XtMalloc(sizeof(XawArgVal));
+ xaw_arg->name = arg;
+ xaw_arg->value = val;
+ if (!xaw_params->num_args)
+ {
+ xaw_params->num_args = 1;
+ xaw_params->args = (XawArgVal **)
+ XtMalloc(sizeof(XawArgVal*));
+ }
+ else
+ {
+ ++xaw_params->num_args;
+ xaw_params->args = (XawArgVal **)
+ XtRealloc((char *)xaw_params->args,
+ sizeof(XawArgVal*) * xaw_params->num_args);
+ }
+ xaw_params->args[xaw_params->num_args - 1] = xaw_arg;
+ }
+ }
+
+ if (xaw_params->num_args > 1)
+ qsort(xaw_params->args, xaw_params->num_args, sizeof(XtPointer),
+ qcmp_string);
+
+ XtFree(str);
+
+ return (xaw_params);
+}
+
+void
+XawFreeParamsStruct(XawParams *params)
+{
+ unsigned int i;
+
+ if (!params)
+ return;
+
+ for (i = 0; i < params->num_args; i++)
+ {
+ XtFree(params->args[i]->name);
+ if (params->args[i]->value)
+ XtFree(params->args[i]->value);
+ XtFree((char *)params->args[i]);
+ }
+
+ if (params->args)
+ XtFree((char *)params->args);
+ XtFree((char *)params);
+}
+
+XawArgVal *
+XawFindArgVal(XawParams *params, String name)
+{
+ XawArgVal **arg_val;
+
+ if (!params->args)
+ return (NULL);
+
+ arg_val = (XawArgVal **)bsearch((void *)name, params->args,
+ params->num_args, sizeof(XtPointer*),
+ bcmp_string);
+ if (!arg_val)
+ return (NULL);
+
+ return (*arg_val);
+}
+
+XawPixmap *
+XawLoadPixmap(String name, Screen *screen, Colormap colormap, int depth)
+{
+ int idx;
+ Bool success;
+ XawPixmap *xaw_pixmap;
+ Pixmap pixmap, mask;
+ Dimension width, height;
+ XawParams *xaw_params;
+
+ if (!name)
+ return (NULL);
+
+ xaw_pixmap = _XawFindPixmap(name, screen, colormap, depth);
+
+ if (xaw_pixmap)
+ return (xaw_pixmap);
+
+ if ((xaw_params = XawParseParamsString(name)) == NULL)
+ return (NULL);
+
+ idx = _XawFindPixmapLoaderIndex(xaw_params->type, xaw_params->ext);
+ if (idx < 0)
+ return (NULL);
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "(*) Loading pixmap \"%s\": ", name);
+#endif
+
+ success = loader_info[idx]->loader(xaw_params, screen, colormap, depth,
+ &pixmap, &mask, &width, &height);
+ if (success)
+ {
+ xaw_pixmap = (XawPixmap *)XtMalloc(sizeof(XawPixmap));
+ xaw_pixmap->name = XtNewString(name);
+ xaw_pixmap->pixmap = pixmap;
+ xaw_pixmap->mask = mask;
+ xaw_pixmap->width = width;
+ xaw_pixmap->height = height;
+ _XawCachePixmap(xaw_pixmap, screen, colormap, depth);
+ }
+
+ XawFreeParamsStruct(xaw_params);
+
+#ifdef DIAGNOSTIC
+ fprintf(stderr, "%s", success ? "success\n" : "failed\n");
+#endif
+
+ return (success ? xaw_pixmap : NULL);
+}
+
+Bool
+XawAddPixmapLoader(String type, String ext, XawPixmapLoader loader)
+{
+ XawPixmapLoaderInfo *info;
+ int i;
+
+ if (!loader)
+ return (False);
+
+ i = _XawFindPixmapLoaderIndex(type, ext);
+
+ if (i >= 0)
+ {
+ loader_info[i]->loader = loader;
+ if (loader_info[i]->type)
+ XtFree(loader_info[i]->type);
+ if (loader_info[i]->ext)
+ XtFree(loader_info[i]->ext);
+ loader_info[i]->type = type ? XtNewString(type) : NULL;
+ loader_info[i]->ext = ext ? XtNewString(ext) : NULL;
+ return (True);
+ }
+
+ if ((info = (XawPixmapLoaderInfo *)XtMalloc(sizeof(XawPixmapLoaderInfo)))
+ == NULL)
+ return (False);
+
+ info->loader = loader;
+ info->type = type ? XtNewString(type) : NULL;
+ info->ext = ext ? XtNewString(ext) : NULL;
+
+ if (!loader_info)
+ {
+ num_loader_info = 1;
+ loader_info = (XawPixmapLoaderInfo**)
+ XtMalloc(sizeof(XawPixmapLoaderInfo*));
+ }
+ else
+ {
+ ++num_loader_info;
+ loader_info = (XawPixmapLoaderInfo**)
+ XtRealloc((char *)loader_info,
+ sizeof(XawPixmapLoaderInfo) * num_loader_info);
+ }
+ loader_info[num_loader_info - 1] = info;
+
+ return (True);
+}
+
+static int
+_XawFindPixmapLoaderIndex(String type, String ext)
+{
+ Cardinal i;
+
+ if (!loader_info)
+ return (-1);
+
+ for (i = 0; i < num_loader_info; i++)
+ if ((type && loader_info[i]->type && strcmp(type, loader_info[i]->type) == 0)
+ || (ext && loader_info[i]->ext && strcmp(ext, loader_info[i]->ext) == 0))
+ return ((int)i);
+
+ if (!type)
+ return (0); /* try a bitmap */
+
+ return (-1);
+}
+
+static int
+qcmp_x_cache(register _Xconst void *left, register _Xconst void *right)
+{
+ return ((int)((*(XawPixmap **)left)->pixmap) -
+ (int)((*(XawPixmap **)right)->pixmap));
+}
+
+static int
+bcmp_x_cache(register _Xconst void *pixmap, register _Xconst void *xaw)
+{
+ return (int)((long)pixmap - (long)((*(XawPixmap **)xaw)->pixmap));
+}
+
+static int
+qcmp_long(register _Xconst void *left, register _Xconst void *right)
+{
+ return ((long)((*(XawCache **)left)->value) -
+ (long)((*(XawCache **)right)->value));
+}
+
+static int
+qcmp_string(register _Xconst void *left, register _Xconst void *right)
+{
+ return (strcmp((String)((*(XawCache **)left)->value),
+ (String)((*(XawCache **)right)->value)));
+}
+
+static int
+bcmp_long(register _Xconst void *value, register _Xconst void *cache)
+{
+ return ((long)value - (long)((*(XawCache **)cache)->value));
+}
+
+static int
+bcmp_string(register _Xconst void *string,
+ register _Xconst void *cache)
+{
+ return (strcmp((String)string, (String)((*(XawCache **)cache)->value)));
+}
+
+#define FIND_ALL 0
+#define FIND_SCREEN 1
+#define FIND_COLORMAP 2
+#define FIND_DEPTH 3
+static XawCache *
+_XawFindCache(XawCache *xaw,
+ Screen *screen, Colormap colormap, int depth, int flags)
+{
+ XawCache **cache;
+
+ if (!xaw->num_elems)
+ return (NULL);
+
+ /* Screen */
+ cache = (XawCache **)bsearch(screen, xaw->elems,
+ xaw->num_elems, sizeof(XtPointer),
+ bcmp_long);
+ if (!cache || !(*cache)->num_elems)
+ return (NULL);
+ if (flags == FIND_SCREEN)
+ return (*cache);
+
+ /* Colormap */
+ cache = (XawCache **)bsearch((void *)colormap, (*cache)->elems,
+ (*cache)->num_elems, sizeof(XtPointer),
+ bcmp_long);
+ if (!cache || !(*cache)->num_elems)
+ return (NULL);
+ if (flags == FIND_COLORMAP)
+ return (*cache);
+
+ /* Depth */
+ cache = (XawCache **)bsearch((void *)(long)depth, (*cache)->elems,
+ (*cache)->num_elems, sizeof(XtPointer),
+ bcmp_long);
+
+ if (!cache || !(*cache)->num_elems)
+ return (NULL);
+ return (*cache);
+}
+
+static XawCache *
+_XawGetCache(XawCache *xaw, Screen *screen, Colormap colormap, int depth)
+{
+ XawCache *s_cache, *c_cache, *d_cache, *cache, *pcache;
+
+ cache = _XawFindCache(xaw, screen, colormap, depth, FIND_ALL);
+
+ if (!cache)
+ {
+ s_cache = _XawFindCache(xaw,
+ screen, colormap, depth, FIND_SCREEN);
+ if (!s_cache)
+ {
+ pcache = (XawCache *)XtMalloc(sizeof(XawCache));
+ if (!xaw->num_elems)
+ {
+ xaw->num_elems = 1;
+ xaw->elems = (XtPointer*)XtMalloc(sizeof(XtPointer));
+ }
+ else
+ {
+ ++xaw->num_elems;
+ xaw->elems = (XtPointer*)
+ XtRealloc((char *)xaw->elems,
+ sizeof(XtPointer) * xaw->num_elems);
+ }
+ pcache->value = (long)screen;
+ pcache->elems = NULL;
+ pcache->num_elems = 0;
+ xaw->elems[xaw->num_elems - 1] = (XtPointer)pcache;
+ s_cache = (XawCache *)xaw->elems[xaw->num_elems - 1];
+ if (xaw->num_elems > 1)
+ qsort(xaw->elems, xaw->num_elems, sizeof(XtPointer), qcmp_long);
+ }
+
+ c_cache = _XawFindCache(xaw,
+ screen, colormap, depth, FIND_COLORMAP);
+ if (!c_cache)
+ {
+ pcache = (XawCache *)XtMalloc(sizeof(XawCache));
+ if (!s_cache->num_elems)
+ {
+ s_cache->num_elems = 1;
+ s_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer));
+ }
+ else
+ {
+ ++s_cache->num_elems;
+ s_cache->elems = (XtPointer*)
+ XtRealloc((char *)s_cache->elems,
+ sizeof(XtPointer) * s_cache->num_elems);
+ }
+ pcache->value = (long)colormap;
+ pcache->elems = NULL;
+ pcache->num_elems = 0;
+ s_cache->elems[s_cache->num_elems - 1] = (XtPointer)pcache;
+ c_cache = (XawCache *)s_cache->elems[s_cache->num_elems - 1];
+ if (s_cache->num_elems > 1)
+ qsort(s_cache->elems, s_cache->num_elems,
+ sizeof(XtPointer), qcmp_long);
+ }
+
+ d_cache = _XawFindCache(xaw,
+ screen, colormap, depth, FIND_DEPTH);
+ if (!d_cache)
+ {
+ pcache = (XawCache *)XtMalloc(sizeof(XawCache));
+ if (!c_cache->num_elems)
+ {
+ c_cache->num_elems = 1;
+ c_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer));
+ }
+ else
+ {
+ ++c_cache->num_elems;
+ c_cache->elems = (XtPointer*)
+ XtRealloc((char *)c_cache->elems,
+ sizeof(XtPointer) * c_cache->num_elems);
+ }
+ pcache->value = (long)depth;
+ pcache->elems = NULL;
+ pcache->num_elems = 0;
+ c_cache->elems[c_cache->num_elems - 1] = (XtPointer)pcache;
+ d_cache = (XawCache *)c_cache->elems[c_cache->num_elems - 1];
+ if (c_cache->num_elems > 1)
+ qsort(c_cache->elems, c_cache->num_elems,
+ sizeof(XtPointer), qcmp_long);
+ }
+
+ cache = d_cache;
+ }
+
+ return (cache);
+}
+
+static XawPixmap *
+_XawFindPixmap(String name, Screen *screen, Colormap colormap, int depth)
+{
+ XawCache *cache;
+ XawPixmap **pixmap;
+
+ cache = _XawFindCache(&xaw_pixmaps, screen, colormap, depth, FIND_ALL);
+
+ if (!cache)
+ return (NULL);
+
+ /* Name */
+ pixmap = (XawPixmap **)bsearch((void *)name, cache->elems,
+ cache->num_elems, sizeof(XtPointer),
+ bcmp_string);
+ if (!pixmap)
+ return (NULL);
+
+ return (*pixmap);
+}
+
+XawPixmap *
+XawPixmapFromXPixmap(Pixmap pixmap,
+ Screen *screen, Colormap colormap, int depth)
+{
+ XawCache *cache;
+ XawPixmap **x_pixmap;
+
+ cache = _XawFindCache(&x_pixmaps, screen, colormap, depth, FIND_ALL);
+
+ if (!cache)
+ return (NULL);
+
+ /* Pixmap */
+ x_pixmap = (XawPixmap **)bsearch((void *)pixmap, cache->elems,
+ cache->num_elems, sizeof(XtPointer),
+ bcmp_x_cache);
+ if (!x_pixmap)
+ return (NULL);
+
+ return (*x_pixmap);
+}
+
+static void
+_XawCachePixmap(XawPixmap *pixmap,
+ Screen *screen, Colormap colormap, int depth)
+{
+ XawCache *xaw_cache, *x_cache;
+
+ xaw_cache = _XawGetCache(&xaw_pixmaps, screen, colormap, depth);
+ x_cache = _XawGetCache(&x_pixmaps, screen, colormap, depth);
+
+ if (!xaw_cache->num_elems)
+ {
+ xaw_cache->num_elems = 1;
+ xaw_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer));
+ }
+ else
+ {
+ ++xaw_cache->num_elems;
+ xaw_cache->elems = (XtPointer*)XtRealloc((char *)xaw_cache->elems,
+ sizeof(XtPointer) *
+ xaw_cache->num_elems);
+ }
+
+ xaw_cache->elems[xaw_cache->num_elems - 1] = (XtPointer)pixmap;
+ if (xaw_cache->num_elems > 1)
+ qsort(xaw_cache->elems, xaw_cache->num_elems,
+ sizeof(XtPointer), qcmp_string);
+
+
+ if (!x_cache->num_elems)
+ {
+ x_cache->num_elems = 1;
+ x_cache->elems = (XtPointer*)XtMalloc(sizeof(XtPointer));
+ }
+ else
+ {
+ ++x_cache->num_elems;
+ x_cache->elems = (XtPointer*)XtRealloc((char *)x_cache->elems,
+ sizeof(XtPointer) *
+ x_cache->num_elems);
+ }
+
+ x_cache->elems[x_cache->num_elems - 1] = (XtPointer)pixmap;
+ if (x_cache->num_elems > 1)
+ qsort(x_cache->elems, x_cache->num_elems, sizeof(XtPointer), qcmp_x_cache);
+}
+
+#ifndef PROJECT_ROOT
+#define PROJECT_ROOT "/usr/X11R6"
+#endif
+
+static char *pixmap_path = NULL;
+
+static void
+GetResourcePixmapPath(Display *display)
+{
+ XrmName xrm_name[2];
+ XrmClass xrm_class[2];
+ XrmRepresentation rep_type;
+ XrmValue value;
+ static char *default_path =
+ "%H/%T/%N:%P/include/X11/%T/%N:/usr/X11R6/include/X11/%T/%N:/usr/include/X11/%T/%N:%N";
+
+ xrm_name[0] = XrmPermStringToQuark("pixmapFilePath");
+ xrm_name[1] = NULLQUARK;
+ xrm_class[0] = XrmPermStringToQuark("PixmapFilePath");
+ xrm_class[1] = NULLQUARK;
+ if (!XrmGetDatabase(display))
+ (void) XGetDefault(display, "", "");
+ if (XrmQGetResource(XrmGetDatabase(display), xrm_name, xrm_class,
+ &rep_type, &value) &&
+ rep_type == XrmPermStringToQuark("String")) {
+ int length = 0;
+ char *tok, *buffer = XtNewString(value.addr);
+
+ for (tok = strtok(buffer, ":"); tok; tok = strtok(NULL, ":")) {
+ int toklen = strlen(tok);
+
+ if (toklen) {
+ pixmap_path = XtRealloc(pixmap_path, length + toklen + 5);
+ strcpy(pixmap_path + length, tok);
+ if (length)
+ pixmap_path[length++] = ':';
+ sprintf(pixmap_path + length, "%s/%%N", tok);
+ length += strlen(tok) + 3;
+ }
+ }
+ pixmap_path = XtRealloc(pixmap_path, length + strlen(default_path) + 2);
+ if (length)
+ pixmap_path[length++] = ':';
+ strcpy(pixmap_path + length, default_path);
+ }
+ else
+ pixmap_path = default_path;
+}
+
+static Bool
+BitmapLoader(XawParams *params, Screen *screen, Colormap colormap, int depth,
+ Pixmap *pixmap_return, Pixmap *mask_return,
+ Dimension *width_return, Dimension *height_return)
+{
+ Pixel fg, bg;
+ XColor color, exact;
+ Pixmap pixmap;
+ unsigned int width, height;
+ unsigned char *data = NULL;
+ int hotX, hotY;
+ XawArgVal *argval;
+ Bool retval = False;
+ static SubstitutionRec sub[] = {
+ {'H', NULL},
+ {'N', NULL},
+ {'T', "bitmaps"},
+ {'P', PROJECT_ROOT},
+ };
+ char *filename;
+
+ fg = BlackPixelOfScreen(screen);
+ bg = WhitePixelOfScreen(screen);
+
+ if ((argval = XawFindArgVal(params, "foreground")) != NULL
+ && argval->value)
+ {
+ if (XAllocNamedColor(DisplayOfScreen(screen), colormap, argval->value,
+ &color, &exact))
+ fg = color.pixel;
+ else
+ return (False);
+ }
+ if ((argval = XawFindArgVal(params, "background")) != NULL
+ && argval->value)
+ {
+ if (XAllocNamedColor(DisplayOfScreen(screen), colormap, argval->value,
+ &color, &exact))
+ bg = color.pixel;
+ else
+ return (False);
+ }
+
+ if (params->name[0] != '/' && params->name[0] != '.')
+ {
+ if (!sub[0].substitution)
+ #ifdef _MSC_VER
+ sub[0].substitution = ".";
+ #else
+ sub[0].substitution = getenv("HOME");
+ #endif
+ sub[1].substitution = params->name;
+ if (pixmap_path == NULL)
+ GetResourcePixmapPath(DisplayOfScreen(screen));
+ filename = XtFindFile(pixmap_path, sub, XtNumber(sub), NULL);
+ if (!filename)
+ return (FALSE);
+ }
+ else
+ filename = params->name;
+
+ if (XReadBitmapFileData(filename, &width, &height, &data,
+ &hotX, &hotY) == BitmapSuccess)
+ {
+ pixmap = XCreatePixmapFromBitmapData(DisplayOfScreen(screen),
+ RootWindowOfScreen(screen),
+ (char *)data,
+ width, height, fg, bg, depth);
+ if (data)
+ XFree(data);
+ *pixmap_return = pixmap;
+ *mask_return = None;
+ *width_return = width;
+ *height_return = height;
+
+ retval = True;
+ }
+
+ if (filename != params->name)
+ XtFree(filename);
+
+ return (retval);
+}
+
+#define VERTICAL 1
+#define HORIZONTAL 2
+static Bool
+GradientLoader(XawParams *params, Screen *screen, Colormap colormap, int depth,
+ Pixmap *pixmap_return, Pixmap *mask_return,
+ Dimension *width_return, Dimension *height_return)
+{
+ double ired, igreen, iblue, red, green, blue;
+ XColor start, end, color;
+ XGCValues values;
+ GC gc;
+ double i, inc, x, y, xend, yend;
+ Pixmap pixmap;
+ XawArgVal *argval;
+ int orientation, dimension, steps;
+ char *value;
+
+ if (XmuCompareISOLatin1(params->name, "vertical") == 0)
+ orientation = VERTICAL;
+ else if (XmuCompareISOLatin1(params->name, "horizontal") == 0)
+ orientation = HORIZONTAL;
+ else
+ return (False);
+
+ if ((argval = XawFindArgVal(params, "dimension")) != NULL
+ && argval->value)
+ {
+ dimension = atoi(argval->value);
+ if (dimension <= 0)
+ return (False);
+ }
+ else
+ dimension = 50;
+
+ if ((argval = XawFindArgVal(params, "steps")) != NULL
+ && argval->value)
+ {
+ steps = atoi(argval->value);
+ if (steps <= 0)
+ return (False);
+ }
+ else
+ steps = dimension;
+
+ steps = XawMin(steps, dimension);
+
+ value = NULL;
+ if ((argval = XawFindArgVal(params, "start")) != NULL)
+ value = argval->value;
+ if (value && !XAllocNamedColor(DisplayOfScreen(screen), colormap, value,
+ &start, &color))
+ return (False);
+ else if (!value)
+ {
+ start.pixel = WhitePixelOfScreen(screen);
+ XQueryColor(DisplayOfScreen(screen), colormap, &start);
+ }
+ value = NULL;
+ if ((argval = XawFindArgVal(params, "end")) != NULL)
+ value = argval->value;
+ if (value && !XAllocNamedColor(DisplayOfScreen(screen), colormap, value,
+ &end, &color))
+ return (False);
+ else if (!value)
+ {
+ end.pixel = BlackPixelOfScreen(screen);
+ XQueryColor(DisplayOfScreen(screen), colormap, &end);
+ }
+
+ if ((pixmap = XCreatePixmap(DisplayOfScreen(screen),
+ RootWindowOfScreen(screen),
+ orientation == VERTICAL ? 1 : dimension,
+ orientation == VERTICAL ? dimension : 1, depth))
+ == 0)
+ return (False);
+
+ ired = (double)(end.red - start.red) / (double)steps;
+ igreen = (double)(end.green - start.green) / (double)steps;
+ iblue = (double)(end.blue - start.blue) / (double)steps;
+
+ red = color.red = start.red;
+ green = color.green = start.green;
+ blue = color.blue = start.blue;
+
+ inc = (double)dimension / (double)steps;
+
+ gc = XCreateGC(DisplayOfScreen(screen), pixmap, 0, &values);
+
+ x = y = 0.0;
+ if (orientation == VERTICAL)
+ {
+ xend = 1;
+ yend = 0;
+ }
+ else
+ {
+ xend = 0;
+ yend = 1;
+ }
+
+ color.flags = DoRed | DoGreen | DoBlue;
+
+ XSetForeground(DisplayOfScreen(screen), gc, start.pixel);
+ for (i = 0.0; i < dimension; i += inc)
+ {
+ if ((int)color.red != (int)red || (int)color.green != (int)green
+ || (int)color.blue != (int)blue)
+ {
+ XFillRectangle(DisplayOfScreen(screen), pixmap, gc, (int)x, (int)y,
+ (unsigned int)xend, (unsigned int)yend);
+ color.red = (unsigned short)red;
+ color.green = (unsigned short)green;
+ color.blue = (unsigned short)blue;
+ if (!XAllocColor(DisplayOfScreen(screen), colormap, &color))
+ {
+ XFreePixmap(DisplayOfScreen(screen), pixmap);
+ return (False);
+ }
+ XSetForeground(DisplayOfScreen(screen), gc, color.pixel);
+ if (orientation == VERTICAL)
+ y = yend;
+ else
+ x = xend;
+ }
+ red += ired;
+ green += igreen;
+ blue += iblue;
+ if (orientation == VERTICAL)
+ yend += inc;
+ else
+ xend += inc;
+ }
+ XFillRectangle(DisplayOfScreen(screen), pixmap, gc, (int)x, (int)y,
+ (unsigned int)xend, (unsigned int)yend);
+
+ *pixmap_return = pixmap;
+ *mask_return = None;
+ *width_return = orientation == VERTICAL ? 1 : dimension;
+ *height_return = orientation == VERTICAL ? dimension : 1;
+
+ XFreeGC(DisplayOfScreen(screen), gc);
+
+ return (True);
+}
+
+static Bool
+XPixmapLoader(XawParams *params, Screen *screen, Colormap colormap, int depth,
+ Pixmap *pixmap_return, Pixmap *mask_return,
+ Dimension *width_return, Dimension *height_return)
+{
+ XpmAttributes xpm_attributes;
+ XawArgVal *argval;
+ unsigned int closeness = 4000;
+ static SubstitutionRec sub[] = {
+ {'H', NULL},
+ {'N', NULL},
+ {'T', "pixmaps"},
+ {'P', PROJECT_ROOT},
+ };
+ char *filename;
+
+ if ((argval = XawFindArgVal(params, "closeness")) != NULL
+ && argval->value)
+ closeness = atoi(argval->value);
+
+ if (params->name[0] != '/' && params->name[0] != '.')
+ {
+ if (!sub[0].substitution)
+ sub[0].substitution = getenv("HOME");
+ sub[1].substitution = params->name;
+ if (pixmap_path == NULL)
+ GetResourcePixmapPath(DisplayOfScreen(screen));
+ filename = XtFindFile(pixmap_path, sub, XtNumber(sub), NULL);
+ if (!filename)
+ return (False);
+ }
+ else
+ filename = params->name;
+
+ xpm_attributes.colormap = colormap;
+ xpm_attributes.closeness = closeness;
+ xpm_attributes.valuemask = XpmSize | XpmColormap | XpmCloseness;
+ if (XpmReadFileToPixmap(DisplayOfScreen(screen),
+ RootWindowOfScreen(screen), filename, pixmap_return,
+ mask_return, &xpm_attributes) == XpmSuccess)
+ {
+ *width_return = xpm_attributes.width;
+ *height_return = xpm_attributes.height;
+
+ return (True);
+ }
+
+ return (False);
+}
+
+void
+XawReshapeWidget(Widget w, XawPixmap *pixmap)
+{
+ if (!pixmap || pixmap->mask == None)
+ XShapeCombineMask(XtDisplay(w), XtWindow(w), ShapeBounding, 0, 0,
+ None, ShapeSet);
+ else
+ XShapeCombineMask(XtDisplay(w), XtWindow(w), ShapeBounding, 0, 0,
+ pixmap->mask, ShapeSet);
+}
+
+#endif /* OLDXAW */
diff --git a/libXaw/src/Porthole.c b/libXaw/src/Porthole.c index e94d21360..082e98a12 100644 --- a/libXaw/src/Porthole.c +++ b/libXaw/src/Porthole.c @@ -1,376 +1,376 @@ -/* - * -Copyright 1990, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - * Author: Jim Fulton, MIT X Consortium - * - * This widget is a trivial clipping widget. It is typically used with a - * panner or scrollbar to navigate. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/PortholeP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void XawPortholeChangeManaged(Widget); -static XtGeometryResult XawPortholeGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static XtGeometryResult XawPortholeQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawPortholeRealize(Widget, Mask*, XSetWindowAttributes*); -static void XawPortholeResize(Widget); - -/* - * Prototypes - */ -static Widget find_child(PortholeWidget); -static void layout_child(PortholeWidget, Widget, XtWidgetGeometry*, - Position*, Position*, Dimension*, Dimension*); -static void SendReport(PortholeWidget, unsigned int); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(PortholeRec, porthole.field) -static XtResource resources[] = { - { - XtNreportCallback, - XtCReportCallback, - XtRCallback, - sizeof(XtPointer), - offset(report_callbacks), - XtRCallback, - NULL - }, -}; -#undef offset - -#define Superclass (&compositeClassRec) -PortholeClassRec portholeClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Porthole", /* class_name */ - sizeof(PortholeRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - NULL, /* initialize */ - NULL, /* initialize_hook */ - XawPortholeRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XawPortholeResize, /* resize */ - NULL, /* expose */ - NULL, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XawPortholeQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XawPortholeGeometryManager, /* geometry_manager */ - XawPortholeChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - { /* porthole */ - NULL, /* extension */ - }, -}; - -WidgetClass portholeWidgetClass = (WidgetClass)&portholeClassRec; - -/* - * Implementation - */ -static Widget -find_child(PortholeWidget pw) -{ - Widget *children; - unsigned int i; - - /* - * Find the managed child on which we should operate. Ignore multiple - * managed children - */ - for (i = 0, children = pw->composite.children; - i < pw->composite.num_children; i++, children++) - if (XtIsManaged(*children)) - return (*children); - - return (NULL); -} - -static void -SendReport(PortholeWidget pw, unsigned int changed) -{ - Widget child = find_child(pw); - - if (pw->porthole.report_callbacks && child) { - XawPannerReport prep; - - prep.changed = changed; - prep.slider_x = -XtX(child); /* porthole is "inner" */ - prep.slider_y = -XtY(child); /* child is outer since it is larger */ - prep.slider_width = XtWidth(pw); - prep.slider_height = XtHeight(pw); - prep.canvas_width = XtWidth(child); - prep.canvas_height = XtHeight(child); - XtCallCallbackList((Widget)pw, pw->porthole.report_callbacks, - (XtPointer)&prep); - } -} - -static void -layout_child(PortholeWidget pw, Widget child, XtWidgetGeometry *geomp, - Position *xp, Position *yp, Dimension *widthp, Dimension *heightp) -{ - Position minx, miny; - - *xp = XtX(child); /* default to current values */ - *yp = XtY(child); - *widthp = XtWidth(child); - *heightp = XtHeight(child); - if (geomp) { /* mix in any requested changes */ - if (geomp->request_mode & CWX) - *xp = geomp->x; - if (geomp->request_mode & CWY) - *yp = geomp->y; - if (geomp->request_mode & CWWidth) - *widthp = geomp->width; - if (geomp->request_mode & CWHeight) - *heightp = geomp->height; - } - - /* - * Make sure that the child is at least as large as the porthole; there - * is no maximum size - */ - if (*widthp < XtWidth(pw)) *widthp = XtWidth(pw); - if (*heightp < XtHeight(pw)) *heightp = XtHeight(pw); - - /* - * Make sure that the child is still on the screen. Note that this must - * be done *after* the size computation so that we know where to put it - */ - minx = (Position)XtWidth(pw) - (Position)*widthp; - miny = (Position)XtHeight(pw) - (Position)*heightp; - - if (*xp < minx) - *xp = minx; - if (*yp < miny) - *yp = miny; - - if (*xp > 0) - *xp = 0; - if (*yp > 0) - *yp = 0; -} - -static void -XawPortholeRealize(Widget gw, Mask *valueMask, XSetWindowAttributes *attr) -{ - attr->bit_gravity = NorthWestGravity; - *valueMask |= CWBitGravity; - - if (XtWidth(gw) < 1) - XtWidth(gw) = 1; - if (XtHeight(gw) < 1) - XtHeight(gw) = 1; - (*portholeWidgetClass->core_class.superclass->core_class.realize) - (gw, valueMask, attr); -} - -static void -XawPortholeResize(Widget gw) -{ - PortholeWidget pw = (PortholeWidget)gw; - Widget child = find_child(pw); - - /* - * If we have a child, we need to make sure that it is at least as big - * as we are and in the right place - */ - if (child) { - Position x, y; - Dimension width, height; - - layout_child(pw, child, NULL, &x, &y, &width, &height); - XtConfigureWidget(child, x, y, width, height, 0); - } - - SendReport(pw, XawPRCanvasWidth | XawPRCanvasHeight); -} - -static XtGeometryResult -XawPortholeQueryGeometry(Widget gw, XtWidgetGeometry *intended, - XtWidgetGeometry *preferred) -{ - PortholeWidget pw = (PortholeWidget)gw; - Widget child = find_child(pw); - - if (child) { -#define SIZEONLY (CWWidth | CWHeight) - preferred->request_mode = SIZEONLY; - preferred->width = XtWidth(child); - preferred->height = XtHeight(child); - - if ((intended->request_mode & SIZEONLY) == SIZEONLY && - intended->width == preferred->width && - intended->height == preferred->height) - return (XtGeometryYes); - else if (preferred->width == XtWidth(pw) && - preferred->height == XtHeight(pw)) - return (XtGeometryNo); - - return (XtGeometryAlmost); -#undef SIZEONLY - } - - return (XtGeometryNo); -} - -static XtGeometryResult -XawPortholeGeometryManager(Widget w, XtWidgetGeometry *req, - XtWidgetGeometry *reply) -{ - PortholeWidget pw = (PortholeWidget) w->core.parent; - Widget child = find_child(pw); - Bool okay = True; - - if (child != w) - return (XtGeometryNo); - - *reply = *req; /* assume we'll grant everything */ - - if ((req->request_mode & CWBorderWidth) && req->border_width != 0) { - reply->border_width = 0; - okay = False; - } - - layout_child(pw, child, req, &reply->x, &reply->y, - &reply->width, &reply->height); - - if ((req->request_mode & CWX) && req->x != reply->x) - okay = False; - if ((req->request_mode & CWY) && req->x != reply->x) - okay = False; - if ((req->request_mode & CWWidth) && req->width != reply->width) - okay = False; - if ((req->request_mode & CWHeight) && req->height != reply->height) - okay = False; - - /* - * If we failed on anything, simply return without touching widget - */ - if (!okay) - return (XtGeometryAlmost); - - /* - * If not just doing a query, update widget and send report. Note that - * we will often set fields that weren't requested because we want to keep - * the child visible - */ - if (!(req->request_mode & XtCWQueryOnly)) { - unsigned int changed = 0; - - if (XtX(child) != reply->x) { - changed |= XawPRSliderX; - XtX(child) = reply->x; - } - if (XtY(child) != reply->y) { - changed |= XawPRSliderY; - XtY(child) = reply->y; - } - if (XtWidth(child) != reply->width) { - changed |= XawPRSliderWidth; - XtWidth(child) = reply->width; - } - if (XtHeight(child) != reply->height) { - changed |= XawPRSliderHeight; - XtHeight(child) = reply->height; - } - if (changed) - SendReport(pw, changed); - } - - return (XtGeometryYes); /* success! */ -} - -static void -XawPortholeChangeManaged(Widget gw) -{ - PortholeWidget pw = (PortholeWidget)gw; - Widget child = find_child (pw); /* ignore extra children */ - - if (child) { - if (!XtIsRealized (gw)) { - XtWidgetGeometry geom, retgeom; - - geom.request_mode = 0; - if (XtWidth(pw) == 0) { - geom.width = XtWidth(child); - geom.request_mode |= CWWidth; - } - if (XtHeight(pw) == 0) { - geom.height = XtHeight(child); - geom.request_mode |= CWHeight; - } - if (geom.request_mode && - XtMakeGeometryRequest (gw, &geom, &retgeom) - == XtGeometryAlmost) - (void)XtMakeGeometryRequest(gw, &retgeom, NULL); - } - - XtResizeWidget(child, Max(XtWidth(child), XtWidth(pw)), - Max(XtHeight(child), XtHeight(pw)), 0); - - SendReport(pw, XawPRAll); - } -} +/*
+ *
+Copyright 1990, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ * Author: Jim Fulton, MIT X Consortium
+ *
+ * This widget is a trivial clipping widget. It is typically used with a
+ * panner or scrollbar to navigate.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/PortholeP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawPortholeChangeManaged(Widget);
+static XtGeometryResult XawPortholeGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static XtGeometryResult XawPortholeQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawPortholeRealize(Widget, Mask*, XSetWindowAttributes*);
+static void XawPortholeResize(Widget);
+
+/*
+ * Prototypes
+ */
+static Widget find_child(PortholeWidget);
+static void layout_child(PortholeWidget, Widget, XtWidgetGeometry*,
+ Position*, Position*, Dimension*, Dimension*);
+static void SendReport(PortholeWidget, unsigned int);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(PortholeRec, porthole.field)
+static XtResource resources[] = {
+ {
+ XtNreportCallback,
+ XtCReportCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(report_callbacks),
+ XtRCallback,
+ NULL
+ },
+};
+#undef offset
+
+#define Superclass (&compositeClassRec)
+PortholeClassRec portholeClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Porthole", /* class_name */
+ sizeof(PortholeRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ NULL, /* initialize */
+ NULL, /* initialize_hook */
+ XawPortholeRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XawPortholeResize, /* resize */
+ NULL, /* expose */
+ NULL, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XawPortholeQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XawPortholeGeometryManager, /* geometry_manager */
+ XawPortholeChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ { /* porthole */
+ NULL, /* extension */
+ },
+};
+
+WidgetClass portholeWidgetClass = (WidgetClass)&portholeClassRec;
+
+/*
+ * Implementation
+ */
+static Widget
+find_child(PortholeWidget pw)
+{
+ Widget *children;
+ unsigned int i;
+
+ /*
+ * Find the managed child on which we should operate. Ignore multiple
+ * managed children
+ */
+ for (i = 0, children = pw->composite.children;
+ i < pw->composite.num_children; i++, children++)
+ if (XtIsManaged(*children))
+ return (*children);
+
+ return (NULL);
+}
+
+static void
+SendReport(PortholeWidget pw, unsigned int changed)
+{
+ Widget child = find_child(pw);
+
+ if (pw->porthole.report_callbacks && child) {
+ XawPannerReport prep;
+
+ prep.changed = changed;
+ prep.slider_x = -XtX(child); /* porthole is "inner" */
+ prep.slider_y = -XtY(child); /* child is outer since it is larger */
+ prep.slider_width = XtWidth(pw);
+ prep.slider_height = XtHeight(pw);
+ prep.canvas_width = XtWidth(child);
+ prep.canvas_height = XtHeight(child);
+ XtCallCallbackList((Widget)pw, pw->porthole.report_callbacks,
+ (XtPointer)&prep);
+ }
+}
+
+static void
+layout_child(PortholeWidget pw, Widget child, XtWidgetGeometry *geomp,
+ Position *xp, Position *yp, Dimension *widthp, Dimension *heightp)
+{
+ Position minx, miny;
+
+ *xp = XtX(child); /* default to current values */
+ *yp = XtY(child);
+ *widthp = XtWidth(child);
+ *heightp = XtHeight(child);
+ if (geomp) { /* mix in any requested changes */
+ if (geomp->request_mode & CWX)
+ *xp = geomp->x;
+ if (geomp->request_mode & CWY)
+ *yp = geomp->y;
+ if (geomp->request_mode & CWWidth)
+ *widthp = geomp->width;
+ if (geomp->request_mode & CWHeight)
+ *heightp = geomp->height;
+ }
+
+ /*
+ * Make sure that the child is at least as large as the porthole; there
+ * is no maximum size
+ */
+ if (*widthp < XtWidth(pw)) *widthp = XtWidth(pw);
+ if (*heightp < XtHeight(pw)) *heightp = XtHeight(pw);
+
+ /*
+ * Make sure that the child is still on the screen. Note that this must
+ * be done *after* the size computation so that we know where to put it
+ */
+ minx = (Position)XtWidth(pw) - (Position)*widthp;
+ miny = (Position)XtHeight(pw) - (Position)*heightp;
+
+ if (*xp < minx)
+ *xp = minx;
+ if (*yp < miny)
+ *yp = miny;
+
+ if (*xp > 0)
+ *xp = 0;
+ if (*yp > 0)
+ *yp = 0;
+}
+
+static void
+XawPortholeRealize(Widget gw, Mask *valueMask, XSetWindowAttributes *attr)
+{
+ attr->bit_gravity = NorthWestGravity;
+ *valueMask |= CWBitGravity;
+
+ if (XtWidth(gw) < 1)
+ XtWidth(gw) = 1;
+ if (XtHeight(gw) < 1)
+ XtHeight(gw) = 1;
+ (*portholeWidgetClass->core_class.superclass->core_class.realize)
+ (gw, valueMask, attr);
+}
+
+static void
+XawPortholeResize(Widget gw)
+{
+ PortholeWidget pw = (PortholeWidget)gw;
+ Widget child = find_child(pw);
+
+ /*
+ * If we have a child, we need to make sure that it is at least as big
+ * as we are and in the right place
+ */
+ if (child) {
+ Position x, y;
+ Dimension width, height;
+
+ layout_child(pw, child, NULL, &x, &y, &width, &height);
+ XtConfigureWidget(child, x, y, width, height, 0);
+ }
+
+ SendReport(pw, XawPRCanvasWidth | XawPRCanvasHeight);
+}
+
+static XtGeometryResult
+XawPortholeQueryGeometry(Widget gw, XtWidgetGeometry *intended,
+ XtWidgetGeometry *preferred)
+{
+ PortholeWidget pw = (PortholeWidget)gw;
+ Widget child = find_child(pw);
+
+ if (child) {
+#define SIZEONLY (CWWidth | CWHeight)
+ preferred->request_mode = SIZEONLY;
+ preferred->width = XtWidth(child);
+ preferred->height = XtHeight(child);
+
+ if ((intended->request_mode & SIZEONLY) == SIZEONLY &&
+ intended->width == preferred->width &&
+ intended->height == preferred->height)
+ return (XtGeometryYes);
+ else if (preferred->width == XtWidth(pw) &&
+ preferred->height == XtHeight(pw))
+ return (XtGeometryNo);
+
+ return (XtGeometryAlmost);
+#undef SIZEONLY
+ }
+
+ return (XtGeometryNo);
+}
+
+static XtGeometryResult
+XawPortholeGeometryManager(Widget w, XtWidgetGeometry *req,
+ XtWidgetGeometry *reply)
+{
+ PortholeWidget pw = (PortholeWidget) w->core.parent;
+ Widget child = find_child(pw);
+ Bool okay = True;
+
+ if (child != w)
+ return (XtGeometryNo);
+
+ *reply = *req; /* assume we'll grant everything */
+
+ if ((req->request_mode & CWBorderWidth) && req->border_width != 0) {
+ reply->border_width = 0;
+ okay = False;
+ }
+
+ layout_child(pw, child, req, &reply->x, &reply->y,
+ &reply->width, &reply->height);
+
+ if ((req->request_mode & CWX) && req->x != reply->x)
+ okay = False;
+ if ((req->request_mode & CWY) && req->x != reply->x)
+ okay = False;
+ if ((req->request_mode & CWWidth) && req->width != reply->width)
+ okay = False;
+ if ((req->request_mode & CWHeight) && req->height != reply->height)
+ okay = False;
+
+ /*
+ * If we failed on anything, simply return without touching widget
+ */
+ if (!okay)
+ return (XtGeometryAlmost);
+
+ /*
+ * If not just doing a query, update widget and send report. Note that
+ * we will often set fields that weren't requested because we want to keep
+ * the child visible
+ */
+ if (!(req->request_mode & XtCWQueryOnly)) {
+ unsigned int changed = 0;
+
+ if (XtX(child) != reply->x) {
+ changed |= XawPRSliderX;
+ XtX(child) = reply->x;
+ }
+ if (XtY(child) != reply->y) {
+ changed |= XawPRSliderY;
+ XtY(child) = reply->y;
+ }
+ if (XtWidth(child) != reply->width) {
+ changed |= XawPRSliderWidth;
+ XtWidth(child) = reply->width;
+ }
+ if (XtHeight(child) != reply->height) {
+ changed |= XawPRSliderHeight;
+ XtHeight(child) = reply->height;
+ }
+ if (changed)
+ SendReport(pw, changed);
+ }
+
+ return (XtGeometryYes); /* success! */
+}
+
+static void
+XawPortholeChangeManaged(Widget gw)
+{
+ PortholeWidget pw = (PortholeWidget)gw;
+ Widget child = find_child (pw); /* ignore extra children */
+
+ if (child) {
+ if (!XtIsRealized (gw)) {
+ XtWidgetGeometry geom, retgeom;
+
+ geom.request_mode = 0;
+ if (XtWidth(pw) == 0) {
+ geom.width = XtWidth(child);
+ geom.request_mode |= CWWidth;
+ }
+ if (XtHeight(pw) == 0) {
+ geom.height = XtHeight(child);
+ geom.request_mode |= CWHeight;
+ }
+ if (geom.request_mode &&
+ XtMakeGeometryRequest (gw, &geom, &retgeom)
+ == XtGeometryAlmost)
+ (void)XtMakeGeometryRequest(gw, &retgeom, NULL);
+ }
+
+ XtResizeWidget(child, Max(XtWidth(child), XtWidth(pw)),
+ Max(XtHeight(child), XtHeight(pw)), 0);
+
+ SendReport(pw, XawPRAll);
+ }
+}
diff --git a/libXaw/src/Private.h b/libXaw/src/Private.h index 3a91b7a43..672062aeb 100644 --- a/libXaw/src/Private.h +++ b/libXaw/src/Private.h @@ -1,152 +1,152 @@ -/* - * Copyright (c) 1998 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - */ - -#ifndef _XawPrivate_h -#define _XawPrivate_h - -#define XawMax(a, b) ((a) > (b) ? (a) : (b)) -#define XawMin(a, b) ((a) < (b) ? (a) : (b)) -#define XawAbs(a) ((a) < 0 ? -(a) : (a)) - -#define XawStackAlloc(size, stk_buffer) \ -((size) <= sizeof(stk_buffer) \ - ? (XtPointer)(stk_buffer) \ - : XtMalloc((unsigned)(size))) - -#define XawStackFree(pointer, stk_buffer) \ -do { \ - if ((pointer) != (XtPointer)(stk_buffer)) \ - XtFree((char *)pointer); \ -} while (0) - -#ifndef XtX -#define XtX(w) (((RectObj)w)->rectangle.x) -#endif -#ifndef XtY -#define XtY(w) (((RectObj)w)->rectangle.y) -#endif -#ifndef XtWidth -#define XtWidth(w) (((RectObj)w)->rectangle.width) -#endif -#ifndef XtHeight -#define XtHeight(w) (((RectObj)w)->rectangle.height) -#endif -#ifndef XtBorderWidth -#define XtBorderWidth(w) (((RectObj)w)->rectangle.border_width) -#endif - -#ifndef OLDXAW -#define XAW_PRIV_VAR_PREFIX '$' - -typedef Bool (*XawParseBooleanProc)(Widget, String, XEvent*, Bool*); - -typedef struct _XawActionVarList XawActionVarList; -typedef struct _XawActionResList XawActionResList; - -/* Boolean expressions */ -Bool XawParseBoolean(Widget, String, XEvent*, Bool*); -Bool XawBooleanExpression(Widget, String, XEvent*); - -/* actions */ -void XawPrintActionErrorMsg(String, Widget, String*, Cardinal*); -XawActionResList *XawGetActionResList(WidgetClass); -XawActionVarList *XawGetActionVarList(Widget); - -void XawSetValuesAction(Widget, XEvent*, String*, Cardinal*); -void XawGetValuesAction(Widget, XEvent*, String*, Cardinal*); -void XawDeclareAction(Widget, XEvent*, String*, Cardinal*); -void XawCallProcAction(Widget, XEvent*, String*, Cardinal*); - -/* display lists */ -#define XAWDL_CONVERT_ERROR (XtPointer)-1 -typedef struct _XawDL _XawDisplayList; -typedef struct _XawDLClass XawDLClass, XawDisplayListClass; - -typedef void (*XawDisplayListProc)(Widget, XtPointer, XtPointer, - XEvent*, Region); -typedef void *(*XawDLArgsInitProc)(String, String*, Cardinal*, - Screen*, Colormap, int); -typedef void *(*XawDLDataInitProc)(String, - Screen*, Colormap, int); -typedef void (*XawDLArgsDestructor)(Display*, String, XtPointer, - String*, Cardinal*); -typedef void (*XawDLDataDestructor)(Display*, String, XtPointer); - -void XawRunDisplayList(Widget, _XawDisplayList*, XEvent*, Region); -void XawDisplayListInitialize(void); - -_XawDisplayList *XawCreateDisplayList(String, Screen*, Colormap, int); -void XawDestroyDisplayList(_XawDisplayList*); -String XawDisplayListString(_XawDisplayList*); -XawDLClass *XawGetDisplayListClass(String); -XawDLClass *XawCreateDisplayListClass(String, - XawDLArgsInitProc, XawDLArgsDestructor, - XawDLDataInitProc, XawDLDataDestructor); -Bool XawDeclareDisplayListProc(XawDLClass*, String, XawDisplayListProc); - -/* pixmaps */ -typedef struct _XawArgVal { - String name; - String value; -} XawArgVal; - -typedef struct _XawParams { - String name; - String type; - String ext; - XawArgVal **args; - Cardinal num_args; -} XawParams; - -typedef struct _XawPixmap { - String name; - Pixmap pixmap; - Pixmap mask; - Dimension width; - Dimension height; -} XawPixmap; - -typedef Bool (*XawPixmapLoader)(XawParams*, Screen*, Colormap, int, - Pixmap*, Pixmap*, - Dimension*, Dimension*); -Bool XawPixmapsInitialize(void); -Bool XawAddPixmapLoader(String, String, XawPixmapLoader); -XawPixmap *XawLoadPixmap(String, Screen*, Colormap, int); -XawPixmap *XawPixmapFromXPixmap(Pixmap, Screen*, Colormap, int); -XawParams *XawParseParamsString(String name); -void XawFreeParamsStruct(XawParams *params); -XawArgVal *XawFindArgVal(XawParams *params, String name); -void XawReshapeWidget(Widget, XawPixmap*); -#endif /* OLDXAW */ - -/* misc */ -void XawTypeToStringWarning(Display*, String); - -/* OS.c */ -int _XawGetPageSize(void); - -#endif /* _XawPrivate_h */ +/*
+ * Copyright (c) 1998 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ */
+
+#ifndef _XawPrivate_h
+#define _XawPrivate_h
+
+#define XawMax(a, b) ((a) > (b) ? (a) : (b))
+#define XawMin(a, b) ((a) < (b) ? (a) : (b))
+#define XawAbs(a) ((a) < 0 ? -(a) : (a))
+
+#define XawStackAlloc(size, stk_buffer) \
+((size) <= sizeof(stk_buffer) \
+ ? (XtPointer)(stk_buffer) \
+ : XtMalloc((unsigned)(size)))
+
+#define XawStackFree(pointer, stk_buffer) \
+do { \
+ if ((pointer) != (XtPointer)(stk_buffer)) \
+ XtFree((char *)pointer); \
+} while (0)
+
+#ifndef XtX
+#define XtX(w) (((RectObj)w)->rectangle.x)
+#endif
+#ifndef XtY
+#define XtY(w) (((RectObj)w)->rectangle.y)
+#endif
+#ifndef XtWidth
+#define XtWidth(w) (((RectObj)w)->rectangle.width)
+#endif
+#ifndef XtHeight
+#define XtHeight(w) (((RectObj)w)->rectangle.height)
+#endif
+#ifndef XtBorderWidth
+#define XtBorderWidth(w) (((RectObj)w)->rectangle.border_width)
+#endif
+
+#ifndef OLDXAW
+#define XAW_PRIV_VAR_PREFIX '$'
+
+typedef Bool (*XawParseBooleanProc)(Widget, String, XEvent*, Bool*);
+
+typedef struct _XawActionVarList XawActionVarList;
+typedef struct _XawActionResList XawActionResList;
+
+/* Boolean expressions */
+Bool XawParseBoolean(Widget, String, XEvent*, Bool*);
+Bool XawBooleanExpression(Widget, String, XEvent*);
+
+/* actions */
+void XawPrintActionErrorMsg(String, Widget, String*, Cardinal*);
+XawActionResList *XawGetActionResList(WidgetClass);
+XawActionVarList *XawGetActionVarList(Widget);
+
+void XawSetValuesAction(Widget, XEvent*, String*, Cardinal*);
+void XawGetValuesAction(Widget, XEvent*, String*, Cardinal*);
+void XawDeclareAction(Widget, XEvent*, String*, Cardinal*);
+void XawCallProcAction(Widget, XEvent*, String*, Cardinal*);
+
+/* display lists */
+#define XAWDL_CONVERT_ERROR (XtPointer)-1
+typedef struct _XawDL _XawDisplayList;
+typedef struct _XawDLClass XawDLClass, XawDisplayListClass;
+
+typedef void (*XawDisplayListProc)(Widget, XtPointer, XtPointer,
+ XEvent*, Region);
+typedef void *(*XawDLArgsInitProc)(String, String*, Cardinal*,
+ Screen*, Colormap, int);
+typedef void *(*XawDLDataInitProc)(String,
+ Screen*, Colormap, int);
+typedef void (*XawDLArgsDestructor)(Display*, String, XtPointer,
+ String*, Cardinal*);
+typedef void (*XawDLDataDestructor)(Display*, String, XtPointer);
+
+void XawRunDisplayList(Widget, _XawDisplayList*, XEvent*, Region);
+void XawDisplayListInitialize(void);
+
+_XawDisplayList *XawCreateDisplayList(String, Screen*, Colormap, int);
+void XawDestroyDisplayList(_XawDisplayList*);
+String XawDisplayListString(_XawDisplayList*);
+XawDLClass *XawGetDisplayListClass(String);
+XawDLClass *XawCreateDisplayListClass(String,
+ XawDLArgsInitProc, XawDLArgsDestructor,
+ XawDLDataInitProc, XawDLDataDestructor);
+Bool XawDeclareDisplayListProc(XawDLClass*, String, XawDisplayListProc);
+
+/* pixmaps */
+typedef struct _XawArgVal {
+ String name;
+ String value;
+} XawArgVal;
+
+typedef struct _XawParams {
+ String name;
+ String type;
+ String ext;
+ XawArgVal **args;
+ Cardinal num_args;
+} XawParams;
+
+typedef struct _XawPixmap {
+ String name;
+ Pixmap pixmap;
+ Pixmap mask;
+ Dimension width;
+ Dimension height;
+} XawPixmap;
+
+typedef Bool (*XawPixmapLoader)(XawParams*, Screen*, Colormap, int,
+ Pixmap*, Pixmap*,
+ Dimension*, Dimension*);
+Bool XawPixmapsInitialize(void);
+Bool XawAddPixmapLoader(String, String, XawPixmapLoader);
+XawPixmap *XawLoadPixmap(String, Screen*, Colormap, int);
+XawPixmap *XawPixmapFromXPixmap(Pixmap, Screen*, Colormap, int);
+XawParams *XawParseParamsString(String name);
+void XawFreeParamsStruct(XawParams *params);
+XawArgVal *XawFindArgVal(XawParams *params, String name);
+void XawReshapeWidget(Widget, XawPixmap*);
+#endif /* OLDXAW */
+
+/* misc */
+void XawTypeToStringWarning(Display*, String);
+
+/* OS.c */
+int _XawGetPageSize(void);
+
+#endif /* _XawPrivate_h */
diff --git a/libXaw/src/Repeater.c b/libXaw/src/Repeater.c index e99a978f2..b70fa67c0 100644 --- a/libXaw/src/Repeater.c +++ b/libXaw/src/Repeater.c @@ -1,298 +1,298 @@ -/* - * -Copyright 1990, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - * Author: Jim Fulton, MIT X Consortium - * - * This widget is used for press-and-hold style buttons. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/RepeaterP.h> -#include <X11/Xaw/XawInit.h> - -#define DO_CALLBACK(rw) \ -XtCallCallbackList((Widget)rw, rw->command.callbacks, NULL) - -#define ADD_TIMEOUT(rw, delay) \ -XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)rw), \ - delay, tic, (XtPointer)rw) - -#define CLEAR_TIMEOUT(rw) \ -if ((rw)->repeater.timer) { \ - XtRemoveTimeOut((rw)->repeater.timer); \ - (rw)->repeater.timer = 0; \ -} - -/* - * Class Methods - */ -static void XawRepeaterInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawRepeaterDestroy(Widget); -static Boolean XawRepeaterSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void tic(XtPointer, XtIntervalId*); - -/* - * Actions - */ -static void ActionStart(Widget, XEvent*, String*, Cardinal*); -static void ActionStop(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -static char defaultTranslations[] = -"<Enter>:" "highlight()\n" -"<Leave>:" "unhighlight()\n" -"<Btn1Down>:" "set() start()\n" -"<Btn1Up>:" "stop() unset()\n" -; - -static XtActionsRec actions[] = { - {"start", ActionStart}, - {"stop", ActionStop}, -}; - -#define offset(field) XtOffsetOf(RepeaterRec, repeater.field) -static XtResource resources[] = { - { - XtNdecay, - XtCDecay, - XtRInt, - sizeof(int), - offset(decay), - XtRImmediate, - (XtPointer)REP_DEF_DECAY - }, - { - XtNinitialDelay, - XtCDelay, - XtRInt, - sizeof(int), - offset(initial_delay), - XtRImmediate, - (XtPointer)REP_DEF_INITIAL_DELAY - }, - { - XtNminimumDelay, - XtCMinimumDelay, - XtRInt, - sizeof(int), - offset(minimum_delay), - XtRImmediate, - (XtPointer)REP_DEF_MINIMUM_DELAY - }, - { - XtNrepeatDelay, - XtCDelay, - XtRInt, - sizeof(int), - offset(repeat_delay), - XtRImmediate, - (XtPointer)REP_DEF_REPEAT_DELAY - }, - { - XtNflash, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(flash), - XtRImmediate, - (XtPointer)False - }, - { - XtNstartCallback, - XtCStartCallback, - XtRCallback, - sizeof(XtPointer), - offset(start_callbacks), - XtRImmediate, - NULL - }, - { - XtNstopCallback, - XtCStopCallback, - XtRCallback, - sizeof(XtPointer), - offset(stop_callbacks), - XtRImmediate, - NULL - }, -}; -#undef offset - -#define Superclass (&commandClassRec) -RepeaterClassRec repeaterClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Repeater", /* class_name */ - sizeof(RepeaterRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawRepeaterInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - actions, /* actions */ - XtNumber(actions), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawRepeaterDestroy, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - XawRepeaterSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* label */ - { - NULL, /* extension */ - }, - /* command */ - { - NULL, /* extension */ - }, - /* repeater */ - { - NULL, /* extension */ - }, -}; - -WidgetClass repeaterWidgetClass = (WidgetClass) &repeaterClassRec; - - -/* - * Implementation - */ -/*ARGSUSED*/ -static void -tic(XtPointer client_data, XtIntervalId *id) -{ - RepeaterWidget rw = (RepeaterWidget)client_data; - - rw->repeater.timer = 0; /* timer is removed */ - if (rw->repeater.flash) { - Widget w = (Widget)rw; - - XClearWindow(XtDisplay(w), XtWindow(w)); - XtCallActionProc(w, "reset", NULL, NULL, 0); - XClearWindow(XtDisplay(w), XtWindow(w)); - XtCallActionProc(w, "set", NULL, NULL, 0); - } - DO_CALLBACK(rw); - - rw->repeater.timer = ADD_TIMEOUT(rw, rw->repeater.next_delay); - - if (rw->repeater.decay) { - rw->repeater.next_delay -= rw->repeater.decay; - if (rw->repeater.next_delay < rw->repeater.minimum_delay) - rw->repeater.next_delay = rw->repeater.minimum_delay; - } -} - -/*ARGSUSED*/ -static void -XawRepeaterInitialize(Widget greq, Widget gnew, - ArgList args, Cardinal *num_args) -{ - RepeaterWidget cnew = (RepeaterWidget)gnew; - - if (cnew->repeater.minimum_delay < 0) - cnew->repeater.minimum_delay = 0; - cnew->repeater.timer = 0; -} - -static void -XawRepeaterDestroy(Widget gw) -{ - CLEAR_TIMEOUT((RepeaterWidget)gw); -} - -/*ARGSUSED*/ -static Boolean -XawRepeaterSetValues(Widget gcur, Widget greq, Widget gnew, - ArgList args, Cardinal *num_args) -{ - RepeaterWidget cur = (RepeaterWidget)gcur; - RepeaterWidget cnew = (RepeaterWidget)gnew; - - if (cur->repeater.minimum_delay != cnew->repeater.minimum_delay) { - if (cnew->repeater.next_delay < cnew->repeater.minimum_delay) - cnew->repeater.next_delay = cnew->repeater.minimum_delay; - } - - return (False); -} - -/*ARGSUSED*/ -static void -ActionStart(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - RepeaterWidget rw = (RepeaterWidget)gw; - - CLEAR_TIMEOUT(rw); - if (rw->repeater.start_callbacks) - XtCallCallbackList(gw, rw->repeater.start_callbacks, NULL); - - DO_CALLBACK(rw); - rw->repeater.timer = ADD_TIMEOUT(rw, rw->repeater.initial_delay); - rw->repeater.next_delay = rw->repeater.repeat_delay; -} - -/*ARGSUSED*/ -static void -ActionStop(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - RepeaterWidget rw = (RepeaterWidget)gw; - - CLEAR_TIMEOUT((RepeaterWidget)gw); - if (rw->repeater.stop_callbacks) - XtCallCallbackList(gw, rw->repeater.stop_callbacks, NULL); -} +/*
+ *
+Copyright 1990, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ * Author: Jim Fulton, MIT X Consortium
+ *
+ * This widget is used for press-and-hold style buttons.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/RepeaterP.h>
+#include <X11/Xaw/XawInit.h>
+
+#define DO_CALLBACK(rw) \
+XtCallCallbackList((Widget)rw, rw->command.callbacks, NULL)
+
+#define ADD_TIMEOUT(rw, delay) \
+XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)rw), \
+ delay, tic, (XtPointer)rw)
+
+#define CLEAR_TIMEOUT(rw) \
+if ((rw)->repeater.timer) { \
+ XtRemoveTimeOut((rw)->repeater.timer); \
+ (rw)->repeater.timer = 0; \
+}
+
+/*
+ * Class Methods
+ */
+static void XawRepeaterInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawRepeaterDestroy(Widget);
+static Boolean XawRepeaterSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void tic(XtPointer, XtIntervalId*);
+
+/*
+ * Actions
+ */
+static void ActionStart(Widget, XEvent*, String*, Cardinal*);
+static void ActionStop(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+static char defaultTranslations[] =
+"<Enter>:" "highlight()\n"
+"<Leave>:" "unhighlight()\n"
+"<Btn1Down>:" "set() start()\n"
+"<Btn1Up>:" "stop() unset()\n"
+;
+
+static XtActionsRec actions[] = {
+ {"start", ActionStart},
+ {"stop", ActionStop},
+};
+
+#define offset(field) XtOffsetOf(RepeaterRec, repeater.field)
+static XtResource resources[] = {
+ {
+ XtNdecay,
+ XtCDecay,
+ XtRInt,
+ sizeof(int),
+ offset(decay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_DECAY
+ },
+ {
+ XtNinitialDelay,
+ XtCDelay,
+ XtRInt,
+ sizeof(int),
+ offset(initial_delay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_INITIAL_DELAY
+ },
+ {
+ XtNminimumDelay,
+ XtCMinimumDelay,
+ XtRInt,
+ sizeof(int),
+ offset(minimum_delay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_MINIMUM_DELAY
+ },
+ {
+ XtNrepeatDelay,
+ XtCDelay,
+ XtRInt,
+ sizeof(int),
+ offset(repeat_delay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_REPEAT_DELAY
+ },
+ {
+ XtNflash,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(flash),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNstartCallback,
+ XtCStartCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(start_callbacks),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNstopCallback,
+ XtCStopCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(stop_callbacks),
+ XtRImmediate,
+ NULL
+ },
+};
+#undef offset
+
+#define Superclass (&commandClassRec)
+RepeaterClassRec repeaterClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Repeater", /* class_name */
+ sizeof(RepeaterRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawRepeaterInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawRepeaterDestroy, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawRepeaterSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* extension */
+ },
+ /* command */
+ {
+ NULL, /* extension */
+ },
+ /* repeater */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass repeaterWidgetClass = (WidgetClass) &repeaterClassRec;
+
+
+/*
+ * Implementation
+ */
+/*ARGSUSED*/
+static void
+tic(XtPointer client_data, XtIntervalId *id)
+{
+ RepeaterWidget rw = (RepeaterWidget)client_data;
+
+ rw->repeater.timer = 0; /* timer is removed */
+ if (rw->repeater.flash) {
+ Widget w = (Widget)rw;
+
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ XtCallActionProc(w, "reset", NULL, NULL, 0);
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ XtCallActionProc(w, "set", NULL, NULL, 0);
+ }
+ DO_CALLBACK(rw);
+
+ rw->repeater.timer = ADD_TIMEOUT(rw, rw->repeater.next_delay);
+
+ if (rw->repeater.decay) {
+ rw->repeater.next_delay -= rw->repeater.decay;
+ if (rw->repeater.next_delay < rw->repeater.minimum_delay)
+ rw->repeater.next_delay = rw->repeater.minimum_delay;
+ }
+}
+
+/*ARGSUSED*/
+static void
+XawRepeaterInitialize(Widget greq, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ RepeaterWidget cnew = (RepeaterWidget)gnew;
+
+ if (cnew->repeater.minimum_delay < 0)
+ cnew->repeater.minimum_delay = 0;
+ cnew->repeater.timer = 0;
+}
+
+static void
+XawRepeaterDestroy(Widget gw)
+{
+ CLEAR_TIMEOUT((RepeaterWidget)gw);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawRepeaterSetValues(Widget gcur, Widget greq, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ RepeaterWidget cur = (RepeaterWidget)gcur;
+ RepeaterWidget cnew = (RepeaterWidget)gnew;
+
+ if (cur->repeater.minimum_delay != cnew->repeater.minimum_delay) {
+ if (cnew->repeater.next_delay < cnew->repeater.minimum_delay)
+ cnew->repeater.next_delay = cnew->repeater.minimum_delay;
+ }
+
+ return (False);
+}
+
+/*ARGSUSED*/
+static void
+ActionStart(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ RepeaterWidget rw = (RepeaterWidget)gw;
+
+ CLEAR_TIMEOUT(rw);
+ if (rw->repeater.start_callbacks)
+ XtCallCallbackList(gw, rw->repeater.start_callbacks, NULL);
+
+ DO_CALLBACK(rw);
+ rw->repeater.timer = ADD_TIMEOUT(rw, rw->repeater.initial_delay);
+ rw->repeater.next_delay = rw->repeater.repeat_delay;
+}
+
+/*ARGSUSED*/
+static void
+ActionStop(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ RepeaterWidget rw = (RepeaterWidget)gw;
+
+ CLEAR_TIMEOUT((RepeaterWidget)gw);
+ if (rw->repeater.stop_callbacks)
+ XtCallCallbackList(gw, rw->repeater.stop_callbacks, NULL);
+}
diff --git a/libXaw/src/Scrollbar.c b/libXaw/src/Scrollbar.c index 6413f0bf6..777043063 100644 --- a/libXaw/src/Scrollbar.c +++ b/libXaw/src/Scrollbar.c @@ -1,882 +1,882 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xaw/ScrollbarP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define NoButton -1 -#define PICKLENGTH(widget, x, y) \ -(((widget)->scrollbar.orientation == XtorientHorizontal) ? (x) : (y)) - -/* - * Class Methods - */ -static void XawScrollbarClassInitialize(void); -static void XawScrollbarDestroy(Widget); -static void XawScrollbarInitialize(Widget, Widget, ArgList, Cardinal*_args); -static void XawScrollbarRealize(Widget, Mask*, XSetWindowAttributes*); -static void XawScrollbarRedisplay(Widget, XEvent*, Region); -static void XawScrollbarResize(Widget); -static Boolean XawScrollbarSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static Boolean CompareEvents(XEvent*, XEvent*); -static void CreateGC(Widget); -static float FloatInRange(float, float, float); -static float FractionLoc(ScrollbarWidget, int, int); -static void ExtractPosition(XEvent*, Position*, Position*); -static int InRange(int, int, int); -static void FillArea(ScrollbarWidget, int, int, int); -static Bool LookAhead(Widget, XEvent*); -static void PaintThumb(ScrollbarWidget); -static Bool PeekNotifyEvent(Display*, XEvent*, char*); -static void SetDimensions(ScrollbarWidget); - -/* - * Actions - */ -static void EndScroll(Widget, XEvent*, String*, Cardinal*); -static void MoveThumb(Widget, XEvent*, String*, Cardinal*); -static void NotifyScroll(Widget, XEvent*, String*, Cardinal*); -static void NotifyThumb(Widget, XEvent*, String*, Cardinal*); -static void StartScroll(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -static char defaultTranslations[] = -"<Btn1Down>:" "StartScroll(Forward)\n" -"<Btn2Down>:" "StartScroll(Continuous) MoveThumb() NotifyThumb()\n" -"<Btn3Down>:" "StartScroll(Backward)\n" -"<Btn2Motion>:" "MoveThumb() NotifyThumb()\n" -"<BtnUp>:" "NotifyScroll(Proportional) EndScroll()\n"; - -static float floatZero = 0.0; - -#define Offset(field) XtOffsetOf(ScrollbarRec, field) - -static XtResource resources[] = { - { - XtNlength, - XtCLength, - XtRDimension, - sizeof(Dimension), - Offset(scrollbar.length), - XtRImmediate, - (XtPointer)1 - }, - { - XtNthickness, - XtCThickness, - XtRDimension, - sizeof(Dimension), - Offset(scrollbar.thickness), - XtRImmediate, - (XtPointer)14 - }, - { - XtNorientation, - XtCOrientation, - XtROrientation, - sizeof(XtOrientation), - Offset(scrollbar.orientation), - XtRImmediate, - (XtPointer)XtorientVertical - }, - { - XtNscrollProc, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - Offset(scrollbar.scrollProc), - XtRCallback, - NULL - }, - { - XtNthumbProc, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - Offset(scrollbar.thumbProc), - XtRCallback, - NULL - }, - { - XtNjumpProc, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - Offset(scrollbar.jumpProc), - XtRCallback, - NULL - }, - { - XtNthumb, - XtCThumb, - XtRBitmap, - sizeof(Pixmap), - Offset(scrollbar.thumb), - XtRImmediate, - (XtPointer)XtUnspecifiedPixmap - }, - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - Offset(scrollbar.foreground), - XtRString, - XtDefaultForeground - }, - { - XtNshown, - XtCShown, - XtRFloat, - sizeof(float), - Offset(scrollbar.shown), - XtRFloat, - (XtPointer)&floatZero - }, - { - XtNtopOfThumb, - XtCTopOfThumb, - XtRFloat, - sizeof(float), - Offset(scrollbar.top), - XtRFloat, - (XtPointer)&floatZero - }, - { - XtNscrollVCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - Offset(scrollbar.verCursor), - XtRString, - "sb_v_double_arrow" - }, - { - XtNscrollHCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - Offset(scrollbar.horCursor), - XtRString, - "sb_h_double_arrow" - }, - { - XtNscrollUCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - Offset(scrollbar.upCursor), - XtRString, - "sb_up_arrow" - }, - { - XtNscrollDCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - Offset(scrollbar.downCursor), - XtRString, - "sb_down_arrow" - }, - { - XtNscrollLCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - Offset(scrollbar.leftCursor), - XtRString, - "sb_left_arrow" - }, - { - XtNscrollRCursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - Offset(scrollbar.rightCursor), - XtRString, - "sb_right_arrow" - }, - { - XtNminimumThumb, - XtCMinimumThumb, - XtRDimension, - sizeof(Dimension), - Offset(scrollbar.min_thumb), - XtRImmediate, - (XtPointer)7 - }, -}; -#undef Offset - -static XtActionsRec actions[] = { - {"StartScroll", StartScroll}, - {"MoveThumb", MoveThumb}, - {"NotifyThumb", NotifyThumb}, - {"NotifyScroll", NotifyScroll}, - {"EndScroll", EndScroll}, -}; - -#define Superclass (&simpleClassRec) -ScrollbarClassRec scrollbarClassRec = { - /* core */ - { - (WidgetClass)&simpleClassRec, /* superclass */ - "Scrollbar", /* class_name */ - sizeof(ScrollbarRec), /* widget_size */ - XawScrollbarClassInitialize, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - XawScrollbarInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawScrollbarRealize, /* realize */ - actions, /* actions */ - XtNumber(actions), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawScrollbarDestroy, /* destroy */ - XawScrollbarResize, /* resize */ - XawScrollbarRedisplay, /* expose */ - XawScrollbarSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* scrollbar */ - { - NULL, /* extension */ - }, -}; - -WidgetClass scrollbarWidgetClass = (WidgetClass)&scrollbarClassRec; - -/* - * Implementation - */ -static void -XawScrollbarClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtROrientation, XmuCvtStringToOrientation, - NULL, 0); - XtSetTypeConverter(XtROrientation, XtRString, XmuCvtOrientationToString, - NULL, 0, XtCacheNone, NULL); -} - -/* - * Make sure the first number is within the range specified by the other - * two numbers. - */ -static int -InRange(int num, int small, int big) -{ - return ((num < small) ? small : ((num > big) ? big : num)); -} - -/* - * Same as above, but for floating numbers - */ -static float -FloatInRange(float num, float small, float big) -{ - return ((num < small) ? small : ((num > big) ? big : num)); -} - -/* Fill the area specified by top and bottom with the given pattern */ -static float -FractionLoc(ScrollbarWidget w, int x, int y) -{ - float result; - - result = PICKLENGTH(w, x / (float)XtWidth(w), y / (float)XtHeight(w)); - - return (FloatInRange(result, 0.0, 1.0)); -} - -static void -FillArea(ScrollbarWidget w, int top, int bottom, int thumb) -{ - Dimension length; - - top = XawMax(1, top); - if (w->scrollbar.orientation == XtorientHorizontal) - bottom = XawMin(bottom, XtWidth(w) - 1); - else - bottom = XawMin(bottom, XtHeight(w) - 1); - - if (bottom <= top) - return; - - length = bottom - top; - - switch(thumb) { - /* Fill the new Thumb location */ - case 1: - if (w->scrollbar.orientation == XtorientHorizontal) - XFillRectangle(XtDisplay(w), XtWindow(w), w->scrollbar.gc, - top, 1, length, XtHeight(w) - 2); - else - XFillRectangle(XtDisplay(w), XtWindow(w), w->scrollbar.gc, - 1, top, XtWidth(w) - 2, length); - break; - /* Clear the old Thumb location */ - case 0: - if (w->scrollbar.orientation == XtorientHorizontal) - XClearArea(XtDisplay(w), XtWindow(w), - top, 1, length, XtHeight(w) - 2, False); - else - XClearArea(XtDisplay(w), XtWindow(w), - 1, top, XtWidth(w) - 2, length, False); - break; - } -} - - -/* Paint the thumb in the area specified by w->top and - w->shown. The old area is erased. The painting and - erasing is done cleverly so that no flickering will occur. */ -static void -PaintThumb(ScrollbarWidget w) -{ - Position oldtop, oldbot, newtop, newbot; - - oldtop = w->scrollbar.topLoc; - oldbot = oldtop + w->scrollbar.shownLength; - newtop = w->scrollbar.length * w->scrollbar.top; - newbot = newtop + (int)(w->scrollbar.length * w->scrollbar.shown); - if (newbot < newtop + (int)w->scrollbar.min_thumb) - newbot = newtop + w->scrollbar.min_thumb; - w->scrollbar.topLoc = newtop; - w->scrollbar.shownLength = newbot - newtop; - - if (XtIsRealized((Widget)w)) { - if (newtop < oldtop) - FillArea(w, newtop, XawMin(newbot, oldtop), 1); - if (newtop > oldtop) - FillArea(w, oldtop, XawMin(newtop, oldbot), 0); - if (newbot < oldbot) - FillArea(w, XawMax(newbot, oldtop), oldbot, 0); - if (newbot > oldbot) - FillArea(w, XawMax(newtop, oldbot), newbot, 1); - } -} - -static void -SetDimensions(ScrollbarWidget w) -{ - if (w->scrollbar.orientation == XtorientVertical) { - w->scrollbar.length = XtHeight(w); - w->scrollbar.thickness = XtWidth(w); - } - else { - w->scrollbar.length = XtWidth(w); - w->scrollbar.thickness = XtHeight(w); - } -} - -static void -XawScrollbarDestroy(Widget w) -{ - ScrollbarWidget sbw = (ScrollbarWidget)w; - - XtReleaseGC(w, sbw->scrollbar.gc); -} - -static void -CreateGC(Widget w) -{ - ScrollbarWidget sbw = (ScrollbarWidget)w; - XGCValues gcValues; - XtGCMask mask; - unsigned int depth = 1; - - if (sbw->scrollbar.thumb == XtUnspecifiedPixmap) - sbw->scrollbar.thumb = XmuCreateStippledPixmap(XtScreen(w), - (Pixel)1, (Pixel)0, - depth); - else if (sbw->scrollbar.thumb != None) { - Window root; - int x, y; - unsigned int width, height, bw; - - XGetGeometry(XtDisplay(w), sbw->scrollbar.thumb, &root, &x, &y, - &width, &height, &bw, &depth); - } - - gcValues.foreground = sbw->scrollbar.foreground; - gcValues.background = sbw->core.background_pixel; - mask = GCForeground | GCBackground; - - if (sbw->scrollbar.thumb != None) { - if (depth == 1) { - gcValues.fill_style = FillOpaqueStippled; - gcValues.stipple = sbw->scrollbar.thumb; - mask |= GCFillStyle | GCStipple; - } - else { - gcValues.fill_style = FillTiled; - gcValues.tile = sbw->scrollbar.thumb; - mask |= GCFillStyle | GCTile; - } - } - sbw->scrollbar.gc = XtGetGC(w, mask, &gcValues); -} - -/* ARGSUSED */ -static void -XawScrollbarInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ScrollbarWidget w = (ScrollbarWidget)cnew; - - CreateGC(cnew); - - if (XtWidth(w) == 0) - XtWidth(w) = w->scrollbar.orientation == XtorientVertical ? - w->scrollbar.thickness : w->scrollbar.length; - - if (XtHeight(w) == 0) - XtHeight(w) = w->scrollbar.orientation == XtorientHorizontal ? - w->scrollbar.thickness : w->scrollbar.length; - - SetDimensions(w); - w->scrollbar.direction = 0; - w->scrollbar.topLoc = 0; - w->scrollbar.shownLength = w->scrollbar.min_thumb; -} - -static void -XawScrollbarRealize(Widget gw, Mask *valueMask, - XSetWindowAttributes *attributes) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - - w->scrollbar.inactiveCursor = w->scrollbar.orientation == XtorientVertical ? - w->scrollbar.verCursor : w->scrollbar.horCursor; - - XtVaSetValues(gw, XtNcursor, w->scrollbar.inactiveCursor, NULL); - - /* - * The Simple widget actually stuffs the value in the valuemask - */ - (*scrollbarWidgetClass->core_class.superclass->core_class.realize) - (gw, valueMask, attributes); -} - -/*ARGSUSED*/ -static Boolean -XawScrollbarSetValues(Widget current, Widget request, Widget desired, - ArgList args, Cardinal *num_args) -{ - ScrollbarWidget w = (ScrollbarWidget)current; - ScrollbarWidget dw = (ScrollbarWidget)desired; - Boolean redraw = False; - - /* - * If these values are outside the acceptable range ignore them... - */ - if (dw->scrollbar.top < 0.0 || dw->scrollbar.top > 1.0) - dw->scrollbar.top = w->scrollbar.top; - - if (dw->scrollbar.shown < 0.0 || dw->scrollbar.shown > 1.0) - dw->scrollbar.shown = w->scrollbar.shown; - - if (XtIsRealized (desired)) { - if (w->scrollbar.foreground != dw->scrollbar.foreground || - w->core.background_pixel != dw->core.background_pixel || - w->scrollbar.thumb != dw->scrollbar.thumb) { - XtReleaseGC((Widget)dw, w->scrollbar.gc); - CreateGC((Widget)dw); - redraw = True; - } - if (w->scrollbar.top != dw->scrollbar.top || - w->scrollbar.shown != dw->scrollbar.shown) - redraw = True; - } - - return (redraw); -} - -static void -XawScrollbarResize(Widget gw) -{ - /* ForgetGravity has taken care of background, but thumb may - * have to move as a result of the new size. */ - SetDimensions((ScrollbarWidget)gw); - XawScrollbarRedisplay(gw, NULL, NULL); -} - -/*ARGSUSED*/ -static void -XawScrollbarRedisplay(Widget gw, XEvent *event, Region region) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - int x, y; - unsigned int width, height; - - if (Superclass->core_class.expose) - (*Superclass->core_class.expose)(gw, event, region); - - if (w->scrollbar.orientation == XtorientHorizontal) { - x = w->scrollbar.topLoc; - y = 1; - width = w->scrollbar.shownLength; - height = XtHeight(w) - 2; - } - else { - x = 1; - y = w->scrollbar.topLoc; - width = XtWidth(w) - 2; - height = w->scrollbar.shownLength; - } - - if (region == NULL || - XRectInRegion(region, x, y, width, height) != RectangleOut) { - /* Forces entire thumb to be painted */ - w->scrollbar.topLoc = -(w->scrollbar.length + 1); - PaintThumb(w); - } -} - -/*ARGSUSED*/ -static void -StartScroll(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - Cursor cursor; - char direction; - - if (w->scrollbar.direction != 0) /* if we're already scrolling */ - return; - if (*num_params > 0) - direction = *params[0]; - else - direction = 'C'; - - w->scrollbar.direction = direction; - - switch(direction) { - case 'B': - case 'b': - cursor = w->scrollbar.orientation == XtorientVertical ? - w->scrollbar.downCursor : w->scrollbar.rightCursor; - break; - case 'F': - case 'f': - cursor = w->scrollbar.orientation == XtorientVertical ? - w->scrollbar.upCursor : w->scrollbar.leftCursor; - break; - case 'C': - case 'c': - cursor = w->scrollbar.orientation == XtorientVertical ? - w->scrollbar.rightCursor : w->scrollbar.upCursor; - break; - default: - return; /* invalid invocation */ - } - - XtVaSetValues(gw, XtNcursor, cursor, NULL); - - XFlush(XtDisplay(w)); -} - -static Boolean -CompareEvents(XEvent *oldEvent, XEvent *newEvent) -{ -#define Check(field) if (newEvent->field != oldEvent->field) return (False) - - Check(xany.display); - Check(xany.type); - Check(xany.window); - - switch(newEvent->type) { - case MotionNotify: - Check(xmotion.state); - break; - case ButtonPress: - case ButtonRelease: - Check(xbutton.state); - Check(xbutton.button); - break; - case KeyPress: - case KeyRelease: - Check(xkey.state); - Check(xkey.keycode); - break; - case EnterNotify: - case LeaveNotify: - Check(xcrossing.mode); - Check(xcrossing.detail); - Check(xcrossing.state); - break; - } -#undef Check - - return (True); -} - -struct EventData { - XEvent *oldEvent; - int count; -}; - -static Bool -PeekNotifyEvent(Display *dpy, XEvent *event, char *args) -{ - struct EventData *eventData = (struct EventData*)args; - - return (++eventData->count == QLength(dpy) /* since PeekIf blocks */ - || CompareEvents(event, eventData->oldEvent)); -} - -static Bool -LookAhead(Widget w, XEvent *event) -{ - XEvent newEvent; - struct EventData eventData; - - if (QLength(XtDisplay(w)) == 0) - return (False); - - eventData.count = 0; - eventData.oldEvent = event; - - XPeekIfEvent(XtDisplay(w), &newEvent, PeekNotifyEvent, (char*)&eventData); - - if (CompareEvents(event, &newEvent)) - return (True); - - return (False); -} - -static void -ExtractPosition(XEvent *event, Position *x, Position *y) -{ - switch(event->type) { - case MotionNotify: - *x = event->xmotion.x; - *y = event->xmotion.y; - break; - case ButtonPress: - case ButtonRelease: - *x = event->xbutton.x; - *y = event->xbutton.y; - break; - case KeyPress: - case KeyRelease: - *x = event->xkey.x; - *y = event->xkey.y; - break; - case EnterNotify: - case LeaveNotify: - *x = event->xcrossing.x; - *y = event->xcrossing.y; - break; - default: - *x = 0; - *y = 0; - break; - } -} - -static void -NotifyScroll(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - long call_data = 0; - char style; - Position x, y; - - if (w->scrollbar.direction == 0) /* if no StartScroll */ - return; - - if (LookAhead(gw, event)) - return; - - if (*num_params > 0) - style = *params[0]; - else - style = 'P'; - - switch(style) { - case 'P': /* Proportional */ - case 'p': - ExtractPosition(event, &x, &y); - call_data = InRange(PICKLENGTH(w, x, y), 0, (int)w->scrollbar.length); - break; - case 'F': /* FullLength */ - case 'f': - call_data = w->scrollbar.length; - break; - } - - switch(w->scrollbar.direction) { - case 'B': - case 'b': - call_data = -call_data; - /*FALLTHROUGH*/ - case 'F': - case 'f': - XtCallCallbacks(gw, XtNscrollProc, (XtPointer)call_data); - break; - case 'C': - case 'c': /* NotifyThumb has already called the thumbProc(s) */ - break; - } -} - -/*ARGSUSED*/ -static void -EndScroll(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - - XtVaSetValues(gw, XtNcursor, w->scrollbar.inactiveCursor, NULL); - XFlush(XtDisplay(w)); /* make sure it get propogated */ - - w->scrollbar.direction = 0; -} - -/*ARGSUSED*/ -static void -MoveThumb(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - Position x, y; - - if (w->scrollbar.direction == 0) /* if no StartScroll */ - return; - - if (LookAhead(gw, event)) - return; - - if (!event->xmotion.same_screen) - return; - - ExtractPosition(event, &x, &y); - w->scrollbar.top = FractionLoc(w, x, y); -} - -/*ARGSUSED*/ -static void -NotifyThumb(Widget gw, XEvent *event, String *params, Cardinal *num_params) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - union { - XtPointer xtp; - float xtf; - } xtpf; - - if (w->scrollbar.direction == 0) /* if no StartScroll */ - return; - - if (LookAhead(gw, event)) - return; - - /* thumbProc is not pretty, but is necessary for backwards - compatibility on those architectures for which it work{s,ed}; - the intent is to pass a (truncated) float by value. */ - xtpf.xtf = w->scrollbar.top; - XtCallCallbacks(gw, XtNthumbProc, xtpf.xtp); - XtCallCallbacks(gw, XtNjumpProc, (XtPointer)&w->scrollbar.top); - - PaintThumb(w); -} - -/* - * Public routines - */ -/* Set the scroll bar to the given location. */ -void -XawScrollbarSetThumb(Widget gw, -#if NeedWidePrototypes - double top, double shown -#else - float top, float shown -#endif - ) -{ - ScrollbarWidget w = (ScrollbarWidget)gw; - - if (w->scrollbar.direction == 'c') /* if still thumbing */ - return; - - w->scrollbar.top = top > 1.0 ? 1.0 : top >= 0.0 ? top : w->scrollbar.top; - - w->scrollbar.shown = shown > 1.0 ? 1.0 : shown >= 0.0 ? - shown : w->scrollbar.shown; - PaintThumb(w); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xaw/ScrollbarP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define NoButton -1
+#define PICKLENGTH(widget, x, y) \
+(((widget)->scrollbar.orientation == XtorientHorizontal) ? (x) : (y))
+
+/*
+ * Class Methods
+ */
+static void XawScrollbarClassInitialize(void);
+static void XawScrollbarDestroy(Widget);
+static void XawScrollbarInitialize(Widget, Widget, ArgList, Cardinal*_args);
+static void XawScrollbarRealize(Widget, Mask*, XSetWindowAttributes*);
+static void XawScrollbarRedisplay(Widget, XEvent*, Region);
+static void XawScrollbarResize(Widget);
+static Boolean XawScrollbarSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static Boolean CompareEvents(XEvent*, XEvent*);
+static void CreateGC(Widget);
+static float FloatInRange(float, float, float);
+static float FractionLoc(ScrollbarWidget, int, int);
+static void ExtractPosition(XEvent*, Position*, Position*);
+static int InRange(int, int, int);
+static void FillArea(ScrollbarWidget, int, int, int);
+static Bool LookAhead(Widget, XEvent*);
+static void PaintThumb(ScrollbarWidget);
+static Bool PeekNotifyEvent(Display*, XEvent*, char*);
+static void SetDimensions(ScrollbarWidget);
+
+/*
+ * Actions
+ */
+static void EndScroll(Widget, XEvent*, String*, Cardinal*);
+static void MoveThumb(Widget, XEvent*, String*, Cardinal*);
+static void NotifyScroll(Widget, XEvent*, String*, Cardinal*);
+static void NotifyThumb(Widget, XEvent*, String*, Cardinal*);
+static void StartScroll(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+static char defaultTranslations[] =
+"<Btn1Down>:" "StartScroll(Forward)\n"
+"<Btn2Down>:" "StartScroll(Continuous) MoveThumb() NotifyThumb()\n"
+"<Btn3Down>:" "StartScroll(Backward)\n"
+"<Btn2Motion>:" "MoveThumb() NotifyThumb()\n"
+"<BtnUp>:" "NotifyScroll(Proportional) EndScroll()\n";
+
+static float floatZero = 0.0;
+
+#define Offset(field) XtOffsetOf(ScrollbarRec, field)
+
+static XtResource resources[] = {
+ {
+ XtNlength,
+ XtCLength,
+ XtRDimension,
+ sizeof(Dimension),
+ Offset(scrollbar.length),
+ XtRImmediate,
+ (XtPointer)1
+ },
+ {
+ XtNthickness,
+ XtCThickness,
+ XtRDimension,
+ sizeof(Dimension),
+ Offset(scrollbar.thickness),
+ XtRImmediate,
+ (XtPointer)14
+ },
+ {
+ XtNorientation,
+ XtCOrientation,
+ XtROrientation,
+ sizeof(XtOrientation),
+ Offset(scrollbar.orientation),
+ XtRImmediate,
+ (XtPointer)XtorientVertical
+ },
+ {
+ XtNscrollProc,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ Offset(scrollbar.scrollProc),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNthumbProc,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ Offset(scrollbar.thumbProc),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNjumpProc,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ Offset(scrollbar.jumpProc),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNthumb,
+ XtCThumb,
+ XtRBitmap,
+ sizeof(Pixmap),
+ Offset(scrollbar.thumb),
+ XtRImmediate,
+ (XtPointer)XtUnspecifiedPixmap
+ },
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ Offset(scrollbar.foreground),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNshown,
+ XtCShown,
+ XtRFloat,
+ sizeof(float),
+ Offset(scrollbar.shown),
+ XtRFloat,
+ (XtPointer)&floatZero
+ },
+ {
+ XtNtopOfThumb,
+ XtCTopOfThumb,
+ XtRFloat,
+ sizeof(float),
+ Offset(scrollbar.top),
+ XtRFloat,
+ (XtPointer)&floatZero
+ },
+ {
+ XtNscrollVCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ Offset(scrollbar.verCursor),
+ XtRString,
+ "sb_v_double_arrow"
+ },
+ {
+ XtNscrollHCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ Offset(scrollbar.horCursor),
+ XtRString,
+ "sb_h_double_arrow"
+ },
+ {
+ XtNscrollUCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ Offset(scrollbar.upCursor),
+ XtRString,
+ "sb_up_arrow"
+ },
+ {
+ XtNscrollDCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ Offset(scrollbar.downCursor),
+ XtRString,
+ "sb_down_arrow"
+ },
+ {
+ XtNscrollLCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ Offset(scrollbar.leftCursor),
+ XtRString,
+ "sb_left_arrow"
+ },
+ {
+ XtNscrollRCursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ Offset(scrollbar.rightCursor),
+ XtRString,
+ "sb_right_arrow"
+ },
+ {
+ XtNminimumThumb,
+ XtCMinimumThumb,
+ XtRDimension,
+ sizeof(Dimension),
+ Offset(scrollbar.min_thumb),
+ XtRImmediate,
+ (XtPointer)7
+ },
+};
+#undef Offset
+
+static XtActionsRec actions[] = {
+ {"StartScroll", StartScroll},
+ {"MoveThumb", MoveThumb},
+ {"NotifyThumb", NotifyThumb},
+ {"NotifyScroll", NotifyScroll},
+ {"EndScroll", EndScroll},
+};
+
+#define Superclass (&simpleClassRec)
+ScrollbarClassRec scrollbarClassRec = {
+ /* core */
+ {
+ (WidgetClass)&simpleClassRec, /* superclass */
+ "Scrollbar", /* class_name */
+ sizeof(ScrollbarRec), /* widget_size */
+ XawScrollbarClassInitialize, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ XawScrollbarInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawScrollbarRealize, /* realize */
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawScrollbarDestroy, /* destroy */
+ XawScrollbarResize, /* resize */
+ XawScrollbarRedisplay, /* expose */
+ XawScrollbarSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* scrollbar */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass scrollbarWidgetClass = (WidgetClass)&scrollbarClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawScrollbarClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtROrientation, XmuCvtStringToOrientation,
+ NULL, 0);
+ XtSetTypeConverter(XtROrientation, XtRString, XmuCvtOrientationToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/*
+ * Make sure the first number is within the range specified by the other
+ * two numbers.
+ */
+static int
+InRange(int num, int small, int big)
+{
+ return ((num < small) ? small : ((num > big) ? big : num));
+}
+
+/*
+ * Same as above, but for floating numbers
+ */
+static float
+FloatInRange(float num, float small, float big)
+{
+ return ((num < small) ? small : ((num > big) ? big : num));
+}
+
+/* Fill the area specified by top and bottom with the given pattern */
+static float
+FractionLoc(ScrollbarWidget w, int x, int y)
+{
+ float result;
+
+ result = PICKLENGTH(w, x / (float)XtWidth(w), y / (float)XtHeight(w));
+
+ return (FloatInRange(result, 0.0, 1.0));
+}
+
+static void
+FillArea(ScrollbarWidget w, int top, int bottom, int thumb)
+{
+ Dimension length;
+
+ top = XawMax(1, top);
+ if (w->scrollbar.orientation == XtorientHorizontal)
+ bottom = XawMin(bottom, XtWidth(w) - 1);
+ else
+ bottom = XawMin(bottom, XtHeight(w) - 1);
+
+ if (bottom <= top)
+ return;
+
+ length = bottom - top;
+
+ switch(thumb) {
+ /* Fill the new Thumb location */
+ case 1:
+ if (w->scrollbar.orientation == XtorientHorizontal)
+ XFillRectangle(XtDisplay(w), XtWindow(w), w->scrollbar.gc,
+ top, 1, length, XtHeight(w) - 2);
+ else
+ XFillRectangle(XtDisplay(w), XtWindow(w), w->scrollbar.gc,
+ 1, top, XtWidth(w) - 2, length);
+ break;
+ /* Clear the old Thumb location */
+ case 0:
+ if (w->scrollbar.orientation == XtorientHorizontal)
+ XClearArea(XtDisplay(w), XtWindow(w),
+ top, 1, length, XtHeight(w) - 2, False);
+ else
+ XClearArea(XtDisplay(w), XtWindow(w),
+ 1, top, XtWidth(w) - 2, length, False);
+ break;
+ }
+}
+
+
+/* Paint the thumb in the area specified by w->top and
+ w->shown. The old area is erased. The painting and
+ erasing is done cleverly so that no flickering will occur. */
+static void
+PaintThumb(ScrollbarWidget w)
+{
+ Position oldtop, oldbot, newtop, newbot;
+
+ oldtop = w->scrollbar.topLoc;
+ oldbot = oldtop + w->scrollbar.shownLength;
+ newtop = w->scrollbar.length * w->scrollbar.top;
+ newbot = newtop + (int)(w->scrollbar.length * w->scrollbar.shown);
+ if (newbot < newtop + (int)w->scrollbar.min_thumb)
+ newbot = newtop + w->scrollbar.min_thumb;
+ w->scrollbar.topLoc = newtop;
+ w->scrollbar.shownLength = newbot - newtop;
+
+ if (XtIsRealized((Widget)w)) {
+ if (newtop < oldtop)
+ FillArea(w, newtop, XawMin(newbot, oldtop), 1);
+ if (newtop > oldtop)
+ FillArea(w, oldtop, XawMin(newtop, oldbot), 0);
+ if (newbot < oldbot)
+ FillArea(w, XawMax(newbot, oldtop), oldbot, 0);
+ if (newbot > oldbot)
+ FillArea(w, XawMax(newtop, oldbot), newbot, 1);
+ }
+}
+
+static void
+SetDimensions(ScrollbarWidget w)
+{
+ if (w->scrollbar.orientation == XtorientVertical) {
+ w->scrollbar.length = XtHeight(w);
+ w->scrollbar.thickness = XtWidth(w);
+ }
+ else {
+ w->scrollbar.length = XtWidth(w);
+ w->scrollbar.thickness = XtHeight(w);
+ }
+}
+
+static void
+XawScrollbarDestroy(Widget w)
+{
+ ScrollbarWidget sbw = (ScrollbarWidget)w;
+
+ XtReleaseGC(w, sbw->scrollbar.gc);
+}
+
+static void
+CreateGC(Widget w)
+{
+ ScrollbarWidget sbw = (ScrollbarWidget)w;
+ XGCValues gcValues;
+ XtGCMask mask;
+ unsigned int depth = 1;
+
+ if (sbw->scrollbar.thumb == XtUnspecifiedPixmap)
+ sbw->scrollbar.thumb = XmuCreateStippledPixmap(XtScreen(w),
+ (Pixel)1, (Pixel)0,
+ depth);
+ else if (sbw->scrollbar.thumb != None) {
+ Window root;
+ int x, y;
+ unsigned int width, height, bw;
+
+ XGetGeometry(XtDisplay(w), sbw->scrollbar.thumb, &root, &x, &y,
+ &width, &height, &bw, &depth);
+ }
+
+ gcValues.foreground = sbw->scrollbar.foreground;
+ gcValues.background = sbw->core.background_pixel;
+ mask = GCForeground | GCBackground;
+
+ if (sbw->scrollbar.thumb != None) {
+ if (depth == 1) {
+ gcValues.fill_style = FillOpaqueStippled;
+ gcValues.stipple = sbw->scrollbar.thumb;
+ mask |= GCFillStyle | GCStipple;
+ }
+ else {
+ gcValues.fill_style = FillTiled;
+ gcValues.tile = sbw->scrollbar.thumb;
+ mask |= GCFillStyle | GCTile;
+ }
+ }
+ sbw->scrollbar.gc = XtGetGC(w, mask, &gcValues);
+}
+
+/* ARGSUSED */
+static void
+XawScrollbarInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ScrollbarWidget w = (ScrollbarWidget)cnew;
+
+ CreateGC(cnew);
+
+ if (XtWidth(w) == 0)
+ XtWidth(w) = w->scrollbar.orientation == XtorientVertical ?
+ w->scrollbar.thickness : w->scrollbar.length;
+
+ if (XtHeight(w) == 0)
+ XtHeight(w) = w->scrollbar.orientation == XtorientHorizontal ?
+ w->scrollbar.thickness : w->scrollbar.length;
+
+ SetDimensions(w);
+ w->scrollbar.direction = 0;
+ w->scrollbar.topLoc = 0;
+ w->scrollbar.shownLength = w->scrollbar.min_thumb;
+}
+
+static void
+XawScrollbarRealize(Widget gw, Mask *valueMask,
+ XSetWindowAttributes *attributes)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+
+ w->scrollbar.inactiveCursor = w->scrollbar.orientation == XtorientVertical ?
+ w->scrollbar.verCursor : w->scrollbar.horCursor;
+
+ XtVaSetValues(gw, XtNcursor, w->scrollbar.inactiveCursor, NULL);
+
+ /*
+ * The Simple widget actually stuffs the value in the valuemask
+ */
+ (*scrollbarWidgetClass->core_class.superclass->core_class.realize)
+ (gw, valueMask, attributes);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawScrollbarSetValues(Widget current, Widget request, Widget desired,
+ ArgList args, Cardinal *num_args)
+{
+ ScrollbarWidget w = (ScrollbarWidget)current;
+ ScrollbarWidget dw = (ScrollbarWidget)desired;
+ Boolean redraw = False;
+
+ /*
+ * If these values are outside the acceptable range ignore them...
+ */
+ if (dw->scrollbar.top < 0.0 || dw->scrollbar.top > 1.0)
+ dw->scrollbar.top = w->scrollbar.top;
+
+ if (dw->scrollbar.shown < 0.0 || dw->scrollbar.shown > 1.0)
+ dw->scrollbar.shown = w->scrollbar.shown;
+
+ if (XtIsRealized (desired)) {
+ if (w->scrollbar.foreground != dw->scrollbar.foreground ||
+ w->core.background_pixel != dw->core.background_pixel ||
+ w->scrollbar.thumb != dw->scrollbar.thumb) {
+ XtReleaseGC((Widget)dw, w->scrollbar.gc);
+ CreateGC((Widget)dw);
+ redraw = True;
+ }
+ if (w->scrollbar.top != dw->scrollbar.top ||
+ w->scrollbar.shown != dw->scrollbar.shown)
+ redraw = True;
+ }
+
+ return (redraw);
+}
+
+static void
+XawScrollbarResize(Widget gw)
+{
+ /* ForgetGravity has taken care of background, but thumb may
+ * have to move as a result of the new size. */
+ SetDimensions((ScrollbarWidget)gw);
+ XawScrollbarRedisplay(gw, NULL, NULL);
+}
+
+/*ARGSUSED*/
+static void
+XawScrollbarRedisplay(Widget gw, XEvent *event, Region region)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+ int x, y;
+ unsigned int width, height;
+
+ if (Superclass->core_class.expose)
+ (*Superclass->core_class.expose)(gw, event, region);
+
+ if (w->scrollbar.orientation == XtorientHorizontal) {
+ x = w->scrollbar.topLoc;
+ y = 1;
+ width = w->scrollbar.shownLength;
+ height = XtHeight(w) - 2;
+ }
+ else {
+ x = 1;
+ y = w->scrollbar.topLoc;
+ width = XtWidth(w) - 2;
+ height = w->scrollbar.shownLength;
+ }
+
+ if (region == NULL ||
+ XRectInRegion(region, x, y, width, height) != RectangleOut) {
+ /* Forces entire thumb to be painted */
+ w->scrollbar.topLoc = -(w->scrollbar.length + 1);
+ PaintThumb(w);
+ }
+}
+
+/*ARGSUSED*/
+static void
+StartScroll(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+ Cursor cursor;
+ char direction;
+
+ if (w->scrollbar.direction != 0) /* if we're already scrolling */
+ return;
+ if (*num_params > 0)
+ direction = *params[0];
+ else
+ direction = 'C';
+
+ w->scrollbar.direction = direction;
+
+ switch(direction) {
+ case 'B':
+ case 'b':
+ cursor = w->scrollbar.orientation == XtorientVertical ?
+ w->scrollbar.downCursor : w->scrollbar.rightCursor;
+ break;
+ case 'F':
+ case 'f':
+ cursor = w->scrollbar.orientation == XtorientVertical ?
+ w->scrollbar.upCursor : w->scrollbar.leftCursor;
+ break;
+ case 'C':
+ case 'c':
+ cursor = w->scrollbar.orientation == XtorientVertical ?
+ w->scrollbar.rightCursor : w->scrollbar.upCursor;
+ break;
+ default:
+ return; /* invalid invocation */
+ }
+
+ XtVaSetValues(gw, XtNcursor, cursor, NULL);
+
+ XFlush(XtDisplay(w));
+}
+
+static Boolean
+CompareEvents(XEvent *oldEvent, XEvent *newEvent)
+{
+#define Check(field) if (newEvent->field != oldEvent->field) return (False)
+
+ Check(xany.display);
+ Check(xany.type);
+ Check(xany.window);
+
+ switch(newEvent->type) {
+ case MotionNotify:
+ Check(xmotion.state);
+ break;
+ case ButtonPress:
+ case ButtonRelease:
+ Check(xbutton.state);
+ Check(xbutton.button);
+ break;
+ case KeyPress:
+ case KeyRelease:
+ Check(xkey.state);
+ Check(xkey.keycode);
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ Check(xcrossing.mode);
+ Check(xcrossing.detail);
+ Check(xcrossing.state);
+ break;
+ }
+#undef Check
+
+ return (True);
+}
+
+struct EventData {
+ XEvent *oldEvent;
+ int count;
+};
+
+static Bool
+PeekNotifyEvent(Display *dpy, XEvent *event, char *args)
+{
+ struct EventData *eventData = (struct EventData*)args;
+
+ return (++eventData->count == QLength(dpy) /* since PeekIf blocks */
+ || CompareEvents(event, eventData->oldEvent));
+}
+
+static Bool
+LookAhead(Widget w, XEvent *event)
+{
+ XEvent newEvent;
+ struct EventData eventData;
+
+ if (QLength(XtDisplay(w)) == 0)
+ return (False);
+
+ eventData.count = 0;
+ eventData.oldEvent = event;
+
+ XPeekIfEvent(XtDisplay(w), &newEvent, PeekNotifyEvent, (char*)&eventData);
+
+ if (CompareEvents(event, &newEvent))
+ return (True);
+
+ return (False);
+}
+
+static void
+ExtractPosition(XEvent *event, Position *x, Position *y)
+{
+ switch(event->type) {
+ case MotionNotify:
+ *x = event->xmotion.x;
+ *y = event->xmotion.y;
+ break;
+ case ButtonPress:
+ case ButtonRelease:
+ *x = event->xbutton.x;
+ *y = event->xbutton.y;
+ break;
+ case KeyPress:
+ case KeyRelease:
+ *x = event->xkey.x;
+ *y = event->xkey.y;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ *x = event->xcrossing.x;
+ *y = event->xcrossing.y;
+ break;
+ default:
+ *x = 0;
+ *y = 0;
+ break;
+ }
+}
+
+static void
+NotifyScroll(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+ long call_data = 0;
+ char style;
+ Position x, y;
+
+ if (w->scrollbar.direction == 0) /* if no StartScroll */
+ return;
+
+ if (LookAhead(gw, event))
+ return;
+
+ if (*num_params > 0)
+ style = *params[0];
+ else
+ style = 'P';
+
+ switch(style) {
+ case 'P': /* Proportional */
+ case 'p':
+ ExtractPosition(event, &x, &y);
+ call_data = InRange(PICKLENGTH(w, x, y), 0, (int)w->scrollbar.length);
+ break;
+ case 'F': /* FullLength */
+ case 'f':
+ call_data = w->scrollbar.length;
+ break;
+ }
+
+ switch(w->scrollbar.direction) {
+ case 'B':
+ case 'b':
+ call_data = -call_data;
+ /*FALLTHROUGH*/
+ case 'F':
+ case 'f':
+ XtCallCallbacks(gw, XtNscrollProc, (XtPointer)call_data);
+ break;
+ case 'C':
+ case 'c': /* NotifyThumb has already called the thumbProc(s) */
+ break;
+ }
+}
+
+/*ARGSUSED*/
+static void
+EndScroll(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+
+ XtVaSetValues(gw, XtNcursor, w->scrollbar.inactiveCursor, NULL);
+ XFlush(XtDisplay(w)); /* make sure it get propogated */
+
+ w->scrollbar.direction = 0;
+}
+
+/*ARGSUSED*/
+static void
+MoveThumb(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+ Position x, y;
+
+ if (w->scrollbar.direction == 0) /* if no StartScroll */
+ return;
+
+ if (LookAhead(gw, event))
+ return;
+
+ if (!event->xmotion.same_screen)
+ return;
+
+ ExtractPosition(event, &x, &y);
+ w->scrollbar.top = FractionLoc(w, x, y);
+}
+
+/*ARGSUSED*/
+static void
+NotifyThumb(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+ union {
+ XtPointer xtp;
+ float xtf;
+ } xtpf;
+
+ if (w->scrollbar.direction == 0) /* if no StartScroll */
+ return;
+
+ if (LookAhead(gw, event))
+ return;
+
+ /* thumbProc is not pretty, but is necessary for backwards
+ compatibility on those architectures for which it work{s,ed};
+ the intent is to pass a (truncated) float by value. */
+ xtpf.xtf = w->scrollbar.top;
+ XtCallCallbacks(gw, XtNthumbProc, xtpf.xtp);
+ XtCallCallbacks(gw, XtNjumpProc, (XtPointer)&w->scrollbar.top);
+
+ PaintThumb(w);
+}
+
+/*
+ * Public routines
+ */
+/* Set the scroll bar to the given location. */
+void
+XawScrollbarSetThumb(Widget gw,
+#if NeedWidePrototypes
+ double top, double shown
+#else
+ float top, float shown
+#endif
+ )
+{
+ ScrollbarWidget w = (ScrollbarWidget)gw;
+
+ if (w->scrollbar.direction == 'c') /* if still thumbing */
+ return;
+
+ w->scrollbar.top = top > 1.0 ? 1.0 : top >= 0.0 ? top : w->scrollbar.top;
+
+ w->scrollbar.shown = shown > 1.0 ? 1.0 : shown >= 0.0 ?
+ shown : w->scrollbar.shown;
+ PaintThumb(w);
+}
diff --git a/libXaw/src/Simple.c b/libXaw/src/Simple.c index 711e9007a..b5d2fddd8 100644 --- a/libXaw/src/Simple.c +++ b/libXaw/src/Simple.c @@ -1,500 +1,500 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/SimpleP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" -#ifndef OLDXAW -#include <X11/Xaw/Tip.h> -#endif - -/* - * Class Methods - */ -static Bool ChangeSensitive(Widget); -static void XawSimpleClassInitialize(void); -static void XawSimpleClassPartInitialize(WidgetClass); -#ifndef OLDXAW -static void XawSimpleInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawSimpleDestroy(Widget); -static void XawSimpleExpose(Widget, XEvent*, Region); -#endif -static void XawSimpleRealize(Widget, Mask*, XSetWindowAttributes*); -static Boolean XawSimpleSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static void ConvertCursor(Widget); - -/* - * Initialization - */ -#ifndef OLDXAW -static XtActionsRec actions[] = { - {"set-values", XawSetValuesAction}, - {"get-values", XawGetValuesAction}, - {"declare", XawDeclareAction}, - {"call-proc", XawCallProcAction}, -}; -#endif - -#define offset(field) XtOffsetOf(SimpleRec, simple.field) -static XtResource resources[] = { - { - XtNcursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(cursor), - XtRImmediate, - (XtPointer)None - }, - { - XtNinsensitiveBorder, - XtCInsensitive, - XtRPixmap, - sizeof(Pixmap), - offset(insensitive_border), - XtRImmediate, - NULL - }, - { - XtNpointerColor, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(pointer_fg), - XtRString, - XtDefaultForeground - }, - { - XtNpointerColorBackground, - XtCBackground, - XtRPixel, - sizeof(Pixel), - offset(pointer_bg), - XtRString, - XtDefaultBackground - }, - { - XtNcursorName, - XtCCursor, - XtRString, - sizeof(String), - offset(cursor_name), - XtRString, - NULL - }, - { - XtNinternational, - XtCInternational, - XtRBoolean, - sizeof(Boolean), - offset(international), - XtRImmediate, - (XtPointer)False - }, -#ifndef OLDXAW - { - XawNdisplayList, - XawCDisplayList, - XawRDisplayList, - sizeof(XawDisplayList*), - offset(display_list), - XtRImmediate, - NULL - }, - { - XtNtip, - XtCTip, - XtRString, - sizeof(String), - offset(tip), - XtRImmediate, - NULL - }, -#endif -#undef offset -}; - -SimpleClassRec simpleClassRec = { - /* core */ - { - (WidgetClass)&widgetClassRec, /* superclass */ - "Simple", /* class_name */ - sizeof(SimpleRec), /* widget_size */ - XawSimpleClassInitialize, /* class_initialize */ - XawSimpleClassPartInitialize, /* class_part_initialize */ - False, /* class_inited */ -#ifndef OLDXAW - XawSimpleInitialize, /* initialize */ -#else - NULL, /* initialize */ -#endif - NULL, /* initialize_hook */ - XawSimpleRealize, /* realize */ -#ifndef OLDXAW - actions, /* actions */ - XtNumber(actions), /* num_actions */ -#else - NULL, /* actions */ - 0, /* num_actions */ -#endif - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ -#ifndef OLDXAW - XawSimpleDestroy, /* destroy */ -#else - NULL, /* destroy */ -#endif - NULL, /* resize */ -#ifndef OLDXAW - XawSimpleExpose, /* expose */ -#else - NULL, /* expose */ -#endif - XawSimpleSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - ChangeSensitive, /* change_sensitive */ - }, -}; - -WidgetClass simpleWidgetClass = (WidgetClass)&simpleClassRec; - -static void -XawSimpleClassInitialize(void) -{ - static XtConvertArgRec convertArg[] = { - { - XtWidgetBaseOffset, - (XtPointer)XtOffsetOf(WidgetRec, core.screen), - sizeof(Screen *) - }, - { - XtResourceString, - (XtPointer)XtNpointerColor, - sizeof(Pixel) - }, - { - XtResourceString, - (XtPointer)XtNpointerColorBackground, - sizeof(Pixel) - }, - { - XtWidgetBaseOffset, - (XtPointer)XtOffsetOf(WidgetRec, core.colormap), - sizeof(Colormap) - }, - }; - - XawInitializeWidgetSet(); - XtSetTypeConverter(XtRString, XtRColorCursor, XmuCvtStringToColorCursor, - convertArg, XtNumber(convertArg), XtCacheByDisplay, NULL); -} - -static void -XawSimpleClassPartInitialize(WidgetClass cclass) -{ - SimpleWidgetClass c = (SimpleWidgetClass)cclass; - SimpleWidgetClass super = (SimpleWidgetClass)c->core_class.superclass; - - if (c->simple_class.change_sensitive == NULL) { - char buf[BUFSIZ]; - - (void)XmuSnprintf(buf, sizeof(buf), - "%s Widget: The Simple Widget class method " - "'change_sensitive' is undefined.\nA function " - "must be defined or inherited.", - c->core_class.class_name); - XtWarning(buf); - c->simple_class.change_sensitive = ChangeSensitive; - } - - if (c->simple_class.change_sensitive == XtInheritChangeSensitive) - c->simple_class.change_sensitive = super->simple_class.change_sensitive; -} - -#ifndef OLDXAW -/*ARGSUSED*/ -static void -XawSimpleInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SimpleWidget simple = (SimpleWidget)cnew; - - if (simple->simple.tip) - simple->simple.tip = XtNewString(simple->simple.tip); -} - -static void -XawSimpleDestroy(Widget w) -{ - SimpleWidget simple = (SimpleWidget)w; - - if (simple->simple.tip) - XtFree((XtPointer)simple->simple.tip); -} -#endif - -static void -XawSimpleRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes) -{ -#ifndef OLDXAW - XawPixmap *pixmap; -#endif - Pixmap border_pixmap = CopyFromParent; - - if (!XtIsSensitive(w)) - { - /* change border to gray; have to remember the old one, - * so XtDestroyWidget deletes the proper one */ - if (((SimpleWidget)w)->simple.insensitive_border == None) - ((SimpleWidget)w)->simple.insensitive_border = - XmuCreateStippledPixmap(XtScreen(w), - w->core.border_pixel, - w->core.background_pixel, - w->core.depth); - border_pixmap = w->core.border_pixmap; - attributes->border_pixmap = - w->core.border_pixmap = ((SimpleWidget)w)->simple.insensitive_border; - - *valueMask |= CWBorderPixmap; - *valueMask &= ~CWBorderPixel; - } - - ConvertCursor(w); - - if ((attributes->cursor = ((SimpleWidget)w)->simple.cursor) != None) - *valueMask |= CWCursor; - - XtCreateWindow(w, InputOutput, (Visual *)CopyFromParent, - *valueMask, attributes); - - if (!XtIsSensitive(w)) - w->core.border_pixmap = border_pixmap; - -#ifndef OLDXAW - if (w->core.background_pixmap > XtUnspecifiedPixmap) { - pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w), - w->core.colormap, w->core.depth); - if (pixmap && pixmap->mask) - XawReshapeWidget(w, pixmap); - } - - if (((SimpleWidget)w)->simple.tip) - XawTipEnable(w); -#endif -} - -/* - * Function: - * ConvertCursor - * - * Parameters: - * w - simple widget - * - * Description: - * Converts a name to a new cursor. - */ -static void -ConvertCursor(Widget w) -{ - SimpleWidget simple = (SimpleWidget) w; - XrmValue from, to; - Cursor cursor = None; - - if (simple->simple.cursor_name == NULL) - return; - - from.addr = (XPointer)simple->simple.cursor_name; - from.size = strlen((char *)from.addr) + 1; - - to.size = sizeof(Cursor); - to.addr = (XPointer)&cursor; - - if (XtConvertAndStore(w, XtRString, &from, XtRColorCursor, &to)) - simple->simple.cursor = cursor; - else - XtAppErrorMsg(XtWidgetToApplicationContext(w), - "convertFailed","ConvertCursor","XawError", - "Simple: ConvertCursor failed.", - NULL, NULL); -} - - -/*ARGSUSED*/ -static Boolean -XawSimpleSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SimpleWidget s_old = (SimpleWidget)current; - SimpleWidget s_new = (SimpleWidget)cnew; - Bool new_cursor = False; - - /* this disables user changes after creation */ - s_new->simple.international = s_old->simple.international; - - if (XtIsSensitive(current) != XtIsSensitive(cnew)) - (*((SimpleWidgetClass)XtClass(cnew))->simple_class.change_sensitive) - (cnew); - - if (s_old->simple.cursor != s_new->simple.cursor) - new_cursor = True; - - /* - * We are not handling the string cursor_name correctly here - */ - - if (s_old->simple.pointer_fg != s_new->simple.pointer_fg || - s_old->simple.pointer_bg != s_new->simple.pointer_bg || - s_old->simple.cursor_name != s_new->simple.cursor_name) { - ConvertCursor(cnew); - new_cursor = True; - } - - if (new_cursor && XtIsRealized(cnew)) { - if (s_new->simple.cursor != None) - XDefineCursor(XtDisplay(cnew), XtWindow(cnew), s_new->simple.cursor); - else - XUndefineCursor(XtDisplay(cnew), XtWindow(cnew)); - } - -#ifndef OLDXAW - if (s_old->core.background_pixmap != s_new->core.background_pixmap) { - XawPixmap *opix, *npix; - - opix = XawPixmapFromXPixmap(s_old->core.background_pixmap, - XtScreen(s_old), s_old->core.colormap, - s_old->core.depth); - npix = XawPixmapFromXPixmap(s_new->core.background_pixmap, - XtScreen(s_new), s_new->core.colormap, - s_new->core.depth); - if ((npix && npix->mask) || (opix && opix->mask)) - XawReshapeWidget(cnew, npix); - } - - if (s_old->simple.tip != s_new->simple.tip) { - if (s_old->simple.tip) - XtFree((XtPointer)s_old->simple.tip); - if (s_new->simple.tip) - s_new->simple.tip = XtNewString(s_new->simple.tip); - } - - if (s_old->simple.tip && !s_new->simple.tip) - XawTipDisable(cnew); - else if (!s_old->simple.tip && s_new->simple.tip) - XawTipEnable(cnew); - - if (s_old->simple.display_list != s_new->simple.display_list) - return (True); -#endif /* OLDXAW */ - - return (False); -} - -#ifndef OLDXAW -static void -XawSimpleExpose(Widget w, XEvent *event, Region region) -{ - SimpleWidget xaw = (SimpleWidget)w; - - if (xaw->simple.display_list) - XawRunDisplayList(w, xaw->simple.display_list, event, region); -} -#endif - -static Bool -ChangeSensitive(Widget w) -{ - if (XtIsRealized(w)) { - if (XtIsSensitive(w)) - if (w->core.border_pixmap != XtUnspecifiedPixmap) - XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w), - w->core.border_pixmap); - else - XSetWindowBorder(XtDisplay(w), XtWindow(w), - w->core.border_pixel); - else { - if (((SimpleWidget)w)->simple.insensitive_border == None) - ((SimpleWidget)w)->simple.insensitive_border = - XmuCreateStippledPixmap(XtScreen(w), - w->core.border_pixel, - w->core.background_pixel, - w->core.depth); - XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w), - ((SimpleWidget)w)->simple.insensitive_border); - } - } - - return (False); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/SimpleP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+#ifndef OLDXAW
+#include <X11/Xaw/Tip.h>
+#endif
+
+/*
+ * Class Methods
+ */
+static Bool ChangeSensitive(Widget);
+static void XawSimpleClassInitialize(void);
+static void XawSimpleClassPartInitialize(WidgetClass);
+#ifndef OLDXAW
+static void XawSimpleInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawSimpleDestroy(Widget);
+static void XawSimpleExpose(Widget, XEvent*, Region);
+#endif
+static void XawSimpleRealize(Widget, Mask*, XSetWindowAttributes*);
+static Boolean XawSimpleSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void ConvertCursor(Widget);
+
+/*
+ * Initialization
+ */
+#ifndef OLDXAW
+static XtActionsRec actions[] = {
+ {"set-values", XawSetValuesAction},
+ {"get-values", XawGetValuesAction},
+ {"declare", XawDeclareAction},
+ {"call-proc", XawCallProcAction},
+};
+#endif
+
+#define offset(field) XtOffsetOf(SimpleRec, simple.field)
+static XtResource resources[] = {
+ {
+ XtNcursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(cursor),
+ XtRImmediate,
+ (XtPointer)None
+ },
+ {
+ XtNinsensitiveBorder,
+ XtCInsensitive,
+ XtRPixmap,
+ sizeof(Pixmap),
+ offset(insensitive_border),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNpointerColor,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(pointer_fg),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNpointerColorBackground,
+ XtCBackground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(pointer_bg),
+ XtRString,
+ XtDefaultBackground
+ },
+ {
+ XtNcursorName,
+ XtCCursor,
+ XtRString,
+ sizeof(String),
+ offset(cursor_name),
+ XtRString,
+ NULL
+ },
+ {
+ XtNinternational,
+ XtCInternational,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(international),
+ XtRImmediate,
+ (XtPointer)False
+ },
+#ifndef OLDXAW
+ {
+ XawNdisplayList,
+ XawCDisplayList,
+ XawRDisplayList,
+ sizeof(XawDisplayList*),
+ offset(display_list),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNtip,
+ XtCTip,
+ XtRString,
+ sizeof(String),
+ offset(tip),
+ XtRImmediate,
+ NULL
+ },
+#endif
+#undef offset
+};
+
+SimpleClassRec simpleClassRec = {
+ /* core */
+ {
+ (WidgetClass)&widgetClassRec, /* superclass */
+ "Simple", /* class_name */
+ sizeof(SimpleRec), /* widget_size */
+ XawSimpleClassInitialize, /* class_initialize */
+ XawSimpleClassPartInitialize, /* class_part_initialize */
+ False, /* class_inited */
+#ifndef OLDXAW
+ XawSimpleInitialize, /* initialize */
+#else
+ NULL, /* initialize */
+#endif
+ NULL, /* initialize_hook */
+ XawSimpleRealize, /* realize */
+#ifndef OLDXAW
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+#else
+ NULL, /* actions */
+ 0, /* num_actions */
+#endif
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+#ifndef OLDXAW
+ XawSimpleDestroy, /* destroy */
+#else
+ NULL, /* destroy */
+#endif
+ NULL, /* resize */
+#ifndef OLDXAW
+ XawSimpleExpose, /* expose */
+#else
+ NULL, /* expose */
+#endif
+ XawSimpleSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ ChangeSensitive, /* change_sensitive */
+ },
+};
+
+WidgetClass simpleWidgetClass = (WidgetClass)&simpleClassRec;
+
+static void
+XawSimpleClassInitialize(void)
+{
+ static XtConvertArgRec convertArg[] = {
+ {
+ XtWidgetBaseOffset,
+ (XtPointer)XtOffsetOf(WidgetRec, core.screen),
+ sizeof(Screen *)
+ },
+ {
+ XtResourceString,
+ (XtPointer)XtNpointerColor,
+ sizeof(Pixel)
+ },
+ {
+ XtResourceString,
+ (XtPointer)XtNpointerColorBackground,
+ sizeof(Pixel)
+ },
+ {
+ XtWidgetBaseOffset,
+ (XtPointer)XtOffsetOf(WidgetRec, core.colormap),
+ sizeof(Colormap)
+ },
+ };
+
+ XawInitializeWidgetSet();
+ XtSetTypeConverter(XtRString, XtRColorCursor, XmuCvtStringToColorCursor,
+ convertArg, XtNumber(convertArg), XtCacheByDisplay, NULL);
+}
+
+static void
+XawSimpleClassPartInitialize(WidgetClass cclass)
+{
+ SimpleWidgetClass c = (SimpleWidgetClass)cclass;
+ SimpleWidgetClass super = (SimpleWidgetClass)c->core_class.superclass;
+
+ if (c->simple_class.change_sensitive == NULL) {
+ char buf[BUFSIZ];
+
+ (void)XmuSnprintf(buf, sizeof(buf),
+ "%s Widget: The Simple Widget class method "
+ "'change_sensitive' is undefined.\nA function "
+ "must be defined or inherited.",
+ c->core_class.class_name);
+ XtWarning(buf);
+ c->simple_class.change_sensitive = ChangeSensitive;
+ }
+
+ if (c->simple_class.change_sensitive == XtInheritChangeSensitive)
+ c->simple_class.change_sensitive = super->simple_class.change_sensitive;
+}
+
+#ifndef OLDXAW
+/*ARGSUSED*/
+static void
+XawSimpleInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SimpleWidget simple = (SimpleWidget)cnew;
+
+ if (simple->simple.tip)
+ simple->simple.tip = XtNewString(simple->simple.tip);
+}
+
+static void
+XawSimpleDestroy(Widget w)
+{
+ SimpleWidget simple = (SimpleWidget)w;
+
+ if (simple->simple.tip)
+ XtFree((XtPointer)simple->simple.tip);
+}
+#endif
+
+static void
+XawSimpleRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
+{
+#ifndef OLDXAW
+ XawPixmap *pixmap;
+#endif
+ Pixmap border_pixmap = CopyFromParent;
+
+ if (!XtIsSensitive(w))
+ {
+ /* change border to gray; have to remember the old one,
+ * so XtDestroyWidget deletes the proper one */
+ if (((SimpleWidget)w)->simple.insensitive_border == None)
+ ((SimpleWidget)w)->simple.insensitive_border =
+ XmuCreateStippledPixmap(XtScreen(w),
+ w->core.border_pixel,
+ w->core.background_pixel,
+ w->core.depth);
+ border_pixmap = w->core.border_pixmap;
+ attributes->border_pixmap =
+ w->core.border_pixmap = ((SimpleWidget)w)->simple.insensitive_border;
+
+ *valueMask |= CWBorderPixmap;
+ *valueMask &= ~CWBorderPixel;
+ }
+
+ ConvertCursor(w);
+
+ if ((attributes->cursor = ((SimpleWidget)w)->simple.cursor) != None)
+ *valueMask |= CWCursor;
+
+ XtCreateWindow(w, InputOutput, (Visual *)CopyFromParent,
+ *valueMask, attributes);
+
+ if (!XtIsSensitive(w))
+ w->core.border_pixmap = border_pixmap;
+
+#ifndef OLDXAW
+ if (w->core.background_pixmap > XtUnspecifiedPixmap) {
+ pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w),
+ w->core.colormap, w->core.depth);
+ if (pixmap && pixmap->mask)
+ XawReshapeWidget(w, pixmap);
+ }
+
+ if (((SimpleWidget)w)->simple.tip)
+ XawTipEnable(w);
+#endif
+}
+
+/*
+ * Function:
+ * ConvertCursor
+ *
+ * Parameters:
+ * w - simple widget
+ *
+ * Description:
+ * Converts a name to a new cursor.
+ */
+static void
+ConvertCursor(Widget w)
+{
+ SimpleWidget simple = (SimpleWidget) w;
+ XrmValue from, to;
+ Cursor cursor = None;
+
+ if (simple->simple.cursor_name == NULL)
+ return;
+
+ from.addr = (XPointer)simple->simple.cursor_name;
+ from.size = strlen((char *)from.addr) + 1;
+
+ to.size = sizeof(Cursor);
+ to.addr = (XPointer)&cursor;
+
+ if (XtConvertAndStore(w, XtRString, &from, XtRColorCursor, &to))
+ simple->simple.cursor = cursor;
+ else
+ XtAppErrorMsg(XtWidgetToApplicationContext(w),
+ "convertFailed","ConvertCursor","XawError",
+ "Simple: ConvertCursor failed.",
+ NULL, NULL);
+}
+
+
+/*ARGSUSED*/
+static Boolean
+XawSimpleSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SimpleWidget s_old = (SimpleWidget)current;
+ SimpleWidget s_new = (SimpleWidget)cnew;
+ Bool new_cursor = False;
+
+ /* this disables user changes after creation */
+ s_new->simple.international = s_old->simple.international;
+
+ if (XtIsSensitive(current) != XtIsSensitive(cnew))
+ (*((SimpleWidgetClass)XtClass(cnew))->simple_class.change_sensitive)
+ (cnew);
+
+ if (s_old->simple.cursor != s_new->simple.cursor)
+ new_cursor = True;
+
+ /*
+ * We are not handling the string cursor_name correctly here
+ */
+
+ if (s_old->simple.pointer_fg != s_new->simple.pointer_fg ||
+ s_old->simple.pointer_bg != s_new->simple.pointer_bg ||
+ s_old->simple.cursor_name != s_new->simple.cursor_name) {
+ ConvertCursor(cnew);
+ new_cursor = True;
+ }
+
+ if (new_cursor && XtIsRealized(cnew)) {
+ if (s_new->simple.cursor != None)
+ XDefineCursor(XtDisplay(cnew), XtWindow(cnew), s_new->simple.cursor);
+ else
+ XUndefineCursor(XtDisplay(cnew), XtWindow(cnew));
+ }
+
+#ifndef OLDXAW
+ if (s_old->core.background_pixmap != s_new->core.background_pixmap) {
+ XawPixmap *opix, *npix;
+
+ opix = XawPixmapFromXPixmap(s_old->core.background_pixmap,
+ XtScreen(s_old), s_old->core.colormap,
+ s_old->core.depth);
+ npix = XawPixmapFromXPixmap(s_new->core.background_pixmap,
+ XtScreen(s_new), s_new->core.colormap,
+ s_new->core.depth);
+ if ((npix && npix->mask) || (opix && opix->mask))
+ XawReshapeWidget(cnew, npix);
+ }
+
+ if (s_old->simple.tip != s_new->simple.tip) {
+ if (s_old->simple.tip)
+ XtFree((XtPointer)s_old->simple.tip);
+ if (s_new->simple.tip)
+ s_new->simple.tip = XtNewString(s_new->simple.tip);
+ }
+
+ if (s_old->simple.tip && !s_new->simple.tip)
+ XawTipDisable(cnew);
+ else if (!s_old->simple.tip && s_new->simple.tip)
+ XawTipEnable(cnew);
+
+ if (s_old->simple.display_list != s_new->simple.display_list)
+ return (True);
+#endif /* OLDXAW */
+
+ return (False);
+}
+
+#ifndef OLDXAW
+static void
+XawSimpleExpose(Widget w, XEvent *event, Region region)
+{
+ SimpleWidget xaw = (SimpleWidget)w;
+
+ if (xaw->simple.display_list)
+ XawRunDisplayList(w, xaw->simple.display_list, event, region);
+}
+#endif
+
+static Bool
+ChangeSensitive(Widget w)
+{
+ if (XtIsRealized(w)) {
+ if (XtIsSensitive(w))
+ if (w->core.border_pixmap != XtUnspecifiedPixmap)
+ XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w),
+ w->core.border_pixmap);
+ else
+ XSetWindowBorder(XtDisplay(w), XtWindow(w),
+ w->core.border_pixel);
+ else {
+ if (((SimpleWidget)w)->simple.insensitive_border == None)
+ ((SimpleWidget)w)->simple.insensitive_border =
+ XmuCreateStippledPixmap(XtScreen(w),
+ w->core.border_pixel,
+ w->core.background_pixel,
+ w->core.depth);
+ XSetWindowBorderPixmap(XtDisplay(w), XtWindow(w),
+ ((SimpleWidget)w)->simple.insensitive_border);
+ }
+ }
+
+ return (False);
+}
diff --git a/libXaw/src/SimpleMenu.c b/libXaw/src/SimpleMenu.c index 0152a8560..cfde9df29 100644 --- a/libXaw/src/SimpleMenu.c +++ b/libXaw/src/SimpleMenu.c @@ -1,1830 +1,1830 @@ -/* -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - */ - -/* - * SimpleMenu.c - Source code file for SimpleMenu widget. - * - * Date: April 3, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Initer.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/SimpleMenP.h> -#include <X11/Xaw/SmeBSBP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define streq(a, b) (strcmp((a), (b)) == 0) - -#define ForAllChildren(smw, childP) \ -for ((childP) = (SmeObject *)(smw)->composite.children; \ - (childP) < (SmeObject *)((smw)->composite.children \ - + (smw)->composite.num_children); \ - (childP)++) - -#ifndef OLDXAW -#define SMW_UNMAPPING 0x01 -#define SMW_POPLEFT 0x02 -#endif - -/* - * Class Methods - */ -static void XawSimpleMenuChangeManaged(Widget); -static void XawSimpleMenuClassInitialize(void); -static void XawSimpleMenuClassPartInitialize(WidgetClass); -static XtGeometryResult XawSimpleMenuGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawSimpleMenuInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawSimpleMenuRealize(Widget, XtValueMask*, XSetWindowAttributes*); -static void XawSimpleMenuRedisplay(Widget, XEvent*, Region); -static void XawSimpleMenuResize(Widget); -static Boolean XawSimpleMenuSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static Boolean XawSimpleMenuSetValuesHook(Widget, ArgList, Cardinal*); -#ifndef OLDXAW -static void PopupSubMenu(SimpleMenuWidget); -static void PopdownSubMenu(SimpleMenuWidget); -static void PopupCB(Widget, XtPointer, XtPointer); -#endif - -/* - * Prototypes - */ -static void AddPositionAction(XtAppContext, XPointer); -static void CalculateNewSize(Widget, Dimension*, Dimension*); -static void ChangeCursorOnGrab(Widget, XtPointer, XtPointer); -static void CreateLabel(Widget); -static SmeObject DoGetEventEntry(Widget, int, int); -static Widget FindMenu(Widget, String); -static SmeObject GetEventEntry(Widget, XEvent*); -static void Layout(Widget, Dimension*, Dimension*); -static void MakeResizeRequest(Widget); -static void MakeSetValuesRequest(Widget, unsigned int, unsigned int); -static void MoveMenu(Widget, int, int); -static void PositionMenu(Widget, XPoint*); - -/* - * Actions - */ -static void Highlight(Widget, XEvent*, String*, Cardinal*); -static void Notify(Widget, XEvent*, String*, Cardinal*); -#ifndef OLDXAW -static void Popdown(Widget, XEvent*, String*, Cardinal*); -#endif -static void PositionMenuAction(Widget, XEvent*, String*, Cardinal*); -static void Unhighlight(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(SimpleMenuRec, simple_menu.field) - -static XtResource resources[] = { - /* label */ - { - XtNlabel, - XtCLabel, - XtRString, - sizeof(String), - offset(label_string), - XtRString, - NULL - }, - { - XtNlabelClass, - XtCLabelClass, - XtRPointer, - sizeof(WidgetClass), - offset(label_class), - XtRImmediate, - NULL - }, - - /* layout */ - { - XtNrowHeight, - XtCRowHeight, - XtRDimension, - sizeof(Dimension), - offset(row_height), - XtRImmediate, - (XtPointer)0 - }, - { - XtNtopMargin, - XtCVerticalMargins, - XtRDimension, - sizeof(Dimension), - offset(top_margin), - XtRImmediate, - (XtPointer)0 - }, - { - XtNbottomMargin, - XtCVerticalMargins, - XtRDimension, - sizeof(Dimension), - offset(bottom_margin), - XtRImmediate, - (XtPointer)0 - }, -#ifndef OLDXAW - { - XtNleftMargin, - XtCHorizontalMargins, - XtRDimension, - sizeof(Dimension), - offset(left_margin), - XtRImmediate, - (XtPointer)0 - }, - { - XtNrightMargin, - XtCHorizontalMargins, - XtRDimension, - sizeof(Dimension), - offset(right_margin), - XtRImmediate, - (XtPointer)0 - }, -#endif - - /* misc */ - { - XtNallowShellResize, - XtCAllowShellResize, - XtRBoolean, - sizeof(Boolean), - XtOffsetOf(SimpleMenuRec, shell.allow_shell_resize), - XtRImmediate, - (XtPointer)True - }, - { - XtNcursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(cursor), - XtRImmediate, - (XtPointer)None - }, - { - XtNmenuOnScreen, - XtCMenuOnScreen, - XtRBoolean, - sizeof(Boolean), - offset(menu_on_screen), - XtRImmediate, - (XtPointer)True - }, - { - XtNpopupOnEntry, - XtCPopupOnEntry, - XtRWidget, - sizeof(Widget), - offset(popup_entry), - XtRWidget, - NULL - }, - { - XtNbackingStore, - XtCBackingStore, - XtRBackingStore, - sizeof(int), - offset(backing_store), - XtRImmediate, - (XtPointer)(Always + WhenMapped + NotUseful) - }, -#ifndef OLDXAW - { - XawNdisplayList, - XawCDisplayList, - XawRDisplayList, - sizeof(XawDisplayList*), - offset(display_list), - XtRImmediate, - NULL - }, -#endif -}; -#undef offset - -static char defaultTranslations[] = -"<Enter>:" "highlight()\n" -"<Leave>:" "unhighlight()\n" -"<BtnMotion>:" "highlight()\n" -#ifndef OLDXAW -"<BtnUp>:" "popdown() notify() unhighlight()\n" -#else -"<BtnUp>:" "MenuPopdown() notify() unhighlight()\n" -#endif -; - -static XtActionsRec actionsList[] = -{ - {"notify", Notify}, - {"highlight", Highlight}, - {"unhighlight", Unhighlight}, -#ifndef OLDXAW - {"popdown", Popdown}, - {"set-values", XawSetValuesAction}, - {"get-values", XawGetValuesAction}, - {"declare", XawDeclareAction}, - {"call-proc", XawCallProcAction}, -#endif -}; - -static CompositeClassExtensionRec extension_rec = { - NULL, /* next_extension */ - NULLQUARK, /* record_type */ - XtCompositeExtensionVersion, /* version */ - sizeof(CompositeClassExtensionRec), /* record_size */ - True, /* accepts_objects */ -}; - -#define Superclass (&overrideShellClassRec) -SimpleMenuClassRec simpleMenuClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "SimpleMenu", /* class_name */ - sizeof(SimpleMenuRec), /* size */ - XawSimpleMenuClassInitialize, /* class_initialize */ - XawSimpleMenuClassPartInitialize, /* class_part_initialize */ - False, /* class_inited */ - XawSimpleMenuInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawSimpleMenuRealize, /* realize */ - actionsList, /* actions */ - XtNumber(actionsList), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XawSimpleMenuResize, /* resize */ - XawSimpleMenuRedisplay, /* expose */ - XawSimpleMenuSetValues, /* set_values */ - XawSimpleMenuSetValuesHook, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* intrinsics version */ - NULL, /* callback offsets */ - defaultTranslations, /* tm_table */ - NULL, /* query_geometry */ - NULL, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XawSimpleMenuGeometryManager, /* geometry_manager */ - XawSimpleMenuChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - /* shell */ - { - NULL, /* extension */ - }, - /* override */ - { - NULL, /* extension */ - }, - /* simple_menu */ - { - NULL, /* extension */ - }, -}; - -WidgetClass simpleMenuWidgetClass = (WidgetClass)&simpleMenuClassRec; - -/* - * Implementation - */ -/* - * Function: - * XawSimpleMenuClassInitialize - * - * Description: - * Class Initialize routine, called only once. - */ -static void -XawSimpleMenuClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtRBackingStore, XmuCvtStringToBackingStore, - NULL, 0); - XtSetTypeConverter(XtRBackingStore, XtRString, XmuCvtBackingStoreToString, - NULL, 0, XtCacheNone, NULL); - XmuAddInitializer(AddPositionAction, NULL); -} - -/* - * Function: - * XawSimpleMenuClassPartInitialize - * Arguments: wc - the widget class of the subclass. - * - * Description: - * Class Part Initialize routine, called for every subclass. Makes - * sure that the subclasses pick up the extension record. - */ -static void -XawSimpleMenuClassPartInitialize(WidgetClass wc) -{ - SimpleMenuWidgetClass smwc = (SimpleMenuWidgetClass)wc; - - /* - * Make sure that our subclass gets the extension rec too - */ - extension_rec.next_extension = smwc->composite_class.extension; - smwc->composite_class.extension = (XtPointer) &extension_rec; -} - -/* - * Function: - * XawSimpleMenuInitialize - * - * Parameters: - * request - widget requested by the argument list - * cnew - new widget with both resource and non resource values - * - * Description: - * Initializes the simple menu widget. - */ -/*ARGSUSED*/ -static void -XawSimpleMenuInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)cnew; - Dimension width, height; - - XmuCallInitializers(XtWidgetToApplicationContext(cnew)); - - if (smw->simple_menu.label_class == NULL) - smw->simple_menu.label_class = smeBSBObjectClass; - - smw->simple_menu.label = NULL; - smw->simple_menu.entry_set = NULL; - smw->simple_menu.recursive_set_values = False; -#ifndef OLDXAW - smw->simple_menu.sub_menu = NULL; - smw->simple_menu.state = 0; - - XtAddCallback(cnew, XtNpopupCallback, PopupCB, NULL); -#endif - - if (smw->simple_menu.label_string != NULL) - CreateLabel(cnew); - - width = height = 0; - CalculateNewSize(cnew, &width, &height); - - smw->simple_menu.menu_width = True; - - if (XtWidth(smw) == 0) { - smw->simple_menu.menu_width = False; - XtWidth(smw) = width; - } - - smw->simple_menu.menu_height = True; - - if (XtHeight(smw) == 0) { - smw->simple_menu.menu_height = False; - XtHeight(smw) = height; - } - - /* - * Add a popup_callback routine for changing the cursor - */ - XtAddCallback(cnew, XtNpopupCallback, ChangeCursorOnGrab, NULL); -} - -/* - * Function: - * XawSimpleMenuRedisplay - * - * Parameters: - * w - simple menu widget - * event - X event that caused this redisplay - * region - region the needs to be repainted - * - * Description: - * Redisplays the contents of the widget. - */ -/*ARGSUSED*/ -static void -XawSimpleMenuRedisplay(Widget w, XEvent *event, Region region) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - SmeObject *entry; - SmeObjectClass cclass; - - if (region == NULL) - XClearWindow(XtDisplay(w), XtWindow(w)); - -#ifndef OLDXAW - if (smw->simple_menu.display_list) - XawRunDisplayList(w, smw->simple_menu.display_list, event, region); -#endif - - /* - * Check and Paint each of the entries - including the label - */ - ForAllChildren(smw, entry) { - if (!XtIsManaged((Widget)*entry)) - continue; - - if (region != NULL) - switch(XRectInRegion(region, XtX(*entry),XtY(*entry), - XtWidth(*entry), XtHeight(*entry))) { - case RectangleIn: - case RectanglePart: - break; - default: - continue; - } - - cclass = (SmeObjectClass)(*entry)->object.widget_class; - - if (cclass->rect_class.expose != NULL) - (cclass->rect_class.expose)((Widget)*entry, NULL, NULL); - } -} - -/* - * Function: - * XawSimpleMenuRealize - * - * Parameters: - * w - simple menu widget - * mask - value mask for the window to create - * attrs - attributes for the window to create - * - * Description: - * Realizes the widget. - */ -static void -XawSimpleMenuRealize(Widget w, XtValueMask *mask, XSetWindowAttributes *attrs) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; -#ifndef OLDXAW - XawPixmap *pixmap; -#endif - - attrs->cursor = smw->simple_menu.cursor; - *mask |= CWCursor; - if (smw->simple_menu.backing_store == Always || - smw->simple_menu.backing_store == NotUseful || - smw->simple_menu.backing_store == WhenMapped) { - *mask |= CWBackingStore; - attrs->backing_store = smw->simple_menu.backing_store; - } - else - *mask &= ~CWBackingStore; - - (*Superclass->core_class.realize)(w, mask, attrs); - -#ifndef OLDXAW - if (w->core.background_pixmap > XtUnspecifiedPixmap) { - pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w), - w->core.colormap, w->core.depth); - if (pixmap && pixmap->mask) - XawReshapeWidget(w, pixmap); - } -#endif -} - -/* - * Function: - * XawSimpleMenuResize - * - * Parameters: - * w - simple menu widget - * - * Description: - * Handle the menu being resized. - */ -static void -XawSimpleMenuResize(Widget w) -{ - if (!XtIsRealized(w)) - return; - - Layout(w, NULL, NULL); - - XawSimpleMenuRedisplay(w, NULL, NULL); -} - -/* - * Function: - * XawSimpleMenuSetValues - * - * Parameters: - * current - current state of the widget - * request - what was requested - * cnew - what the widget will become - * - * Description: - * Relayout the menu when one of the resources is changed. - */ -/*ARGSUSED*/ -static Boolean -XawSimpleMenuSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SimpleMenuWidget smw_old = (SimpleMenuWidget)current; - SimpleMenuWidget smw_new = (SimpleMenuWidget)cnew; - Boolean ret_val = False, layout = False; - - if (!XtIsRealized(current)) - return (False); - - if (!smw_new->simple_menu.recursive_set_values) { - if (XtWidth(smw_new) != XtWidth(smw_old)) { - smw_new->simple_menu.menu_width = XtWidth(smw_new) != 0; - layout = True; - } - if (XtHeight(smw_new) != XtHeight(smw_old)) { - smw_new->simple_menu.menu_height = XtHeight(smw_new) != 0; - layout = True; - } - } - - if (smw_old->simple_menu.cursor != smw_new->simple_menu.cursor) - XDefineCursor(XtDisplay(cnew), XtWindow(cnew), - smw_new->simple_menu.cursor); - - if (smw_old->simple_menu.label_string !=smw_new->simple_menu.label_string) { - if (smw_new->simple_menu.label_string == NULL) /* Destroy */ - XtDestroyWidget((Widget)smw_old->simple_menu.label); - else if (smw_old->simple_menu.label_string == NULL) /* Create */ - CreateLabel(cnew); - else { /* Change */ - Arg arglist[1]; - - XtSetArg(arglist[0], XtNlabel, smw_new->simple_menu.label_string); - XtSetValues((Widget)smw_new->simple_menu.label, arglist, ONE); - } - } - - if (smw_old->simple_menu.label_class != smw_new->simple_menu.label_class) - XtAppWarning(XtWidgetToApplicationContext(cnew), - "No Dynamic class change of the SimpleMenu Label."); - - if (smw_old->simple_menu.top_margin != smw_new->simple_menu.top_margin - || smw_old->simple_menu.bottom_margin - != smw_new->simple_menu.bottom_margin) { - layout = True; - ret_val = True; - } - -#ifndef OLDXAW - if (smw_old->core.background_pixmap != smw_new->core.background_pixmap) { - XawPixmap *opix, *npix; - - opix = XawPixmapFromXPixmap(smw_old->core.background_pixmap, - XtScreen(smw_old), smw_old->core.colormap, - smw_old->core.depth); - npix = XawPixmapFromXPixmap(smw_new->core.background_pixmap, - XtScreen(smw_new), smw_new->core.colormap, - smw_new->core.depth); - if ((npix && npix->mask) || (opix && opix->mask)) - XawReshapeWidget(cnew, npix); - } -#endif - - if (layout) - Layout(cnew, NULL, NULL); - - return (ret_val); -} - -/* - * Function: - * XawSimpleMenuSetValuesHook - * - * Parameters: - * w - menu widget - * arglist - argument list passed to XtSetValues - * num_args - number of args - * - * Description: - * To handle a special case, this is passed the actual arguments. - */ -static Boolean -XawSimpleMenuSetValuesHook(Widget w, ArgList arglist, Cardinal *num_args) -{ - Cardinal i; - Dimension width, height; - - width = XtWidth(w); - height = XtHeight(w); - - for (i = 0 ; i < *num_args ; i++) { - if (streq(arglist[i].name, XtNwidth)) - width = (Dimension)arglist[i].value; - if (streq(arglist[i].name, XtNheight)) - height = (Dimension) arglist[i].value; - } - - if (width != XtWidth(w) || height != XtHeight(w)) - MakeSetValuesRequest(w, width, height); - - return (False); -} - -/* - * Geometry Management routines - */ -/* - * Function: - * XawSimpleMenuGeometryManager - * - * Parameters: - * w - Menu Entry making the request - * request - requested new geometry - * reply - the allowed geometry. - * - * Description: - * This is the SimpleMenu Widget's Geometry Manager. - * - * Returns: - * XtGeometry{Yes, No, Almost} - */ -static XtGeometryResult -XawSimpleMenuGeometryManager(Widget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)XtParent(w); - SmeObject entry = (SmeObject)w; - XtGeometryMask mode = request->request_mode; - XtGeometryResult answer; - Dimension old_height, old_width; - - if (!(mode & CWWidth) && !(mode & CWHeight)) - return (XtGeometryNo); - - reply->width = request->width; - reply->height = request->height; - - old_width = XtWidth(entry); - old_height = XtHeight(entry); - - Layout(w, &reply->width, &reply->height); - - /* - * Since we are an override shell and have no parent there is no one to - * ask to see if this geom change is okay, so I am just going to assume - * we can do whatever we want. If you subclass be very careful with this - * assumption, it could bite you. - * - * Chris D. Peterson - Sept. 1989. - */ - if ((!(mode & CWWidth) || reply->width == request->width) - && (!(mode & CWHeight) || reply->height == request->height)) { - if (mode & XtCWQueryOnly) { /* Actually perform the layout */ - XtWidth(entry) = old_width; - XtHeight(entry) = old_height; - } - else - Layout((Widget)smw, NULL, NULL); - answer = XtGeometryDone; - } - else { - XtWidth(entry) = old_width; - XtHeight(entry) = old_height; - - if ((reply->width == request->width && !(mode & CWHeight)) - || (reply->height == request->height && !(mode & CWWidth)) - || (reply->width == request->width - && reply->height == request->height)) - answer = XtGeometryNo; - else { - answer = XtGeometryAlmost; - reply->request_mode = 0; - if (reply->width != request->width) - reply->request_mode |= CWWidth; - if (reply->height != request->height) - reply->request_mode |= CWHeight; - } - } - - return (answer); -} - -/* - * Function: - * XawSimpleMenuChangeManaged - * - * Parameters: - * w - simple menu widget - * - * Description: - * Called whenever a new child is managed. - */ -static void -XawSimpleMenuChangeManaged(Widget w) -{ - Layout(w, NULL, NULL); -} - -/* - * Global Action Routines - * - * These actions routines will be added to the application's - * global action list - */ -/* - * Function: - * PositionMenuAction - * - * Parameters: - * w - a widget (no the simple menu widget) - * event - the event that caused this action - * params - parameters passed to the routine. - * we expect the name of the menu here. - * num_params - "" - * - * Description: - * Positions the simple menu widget. - */ -/*ARGSUSED*/ -static void -PositionMenuAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - Widget menu; - XPoint loc; - - if (*num_params != 1) { - XtAppWarning(XtWidgetToApplicationContext(w), - "SimpleMenuWidget: position menu action expects " - "only one parameter which is the name of the menu."); - return; - } - - if ((menu = FindMenu(w, params[0])) == NULL) { - char error_buf[BUFSIZ]; - - (void)XmuSnprintf(error_buf, sizeof(error_buf), - "SimpleMenuWidget: could not find menu named %s.", - params[0]); - XtAppWarning(XtWidgetToApplicationContext(w), error_buf); - return; - } - - switch (event->type) { - case ButtonPress: - case ButtonRelease: - loc.x = event->xbutton.x_root; - loc.y = event->xbutton.y_root; - PositionMenu(menu, &loc); - break; - case EnterNotify: - case LeaveNotify: - loc.x = event->xcrossing.x_root; - loc.y = event->xcrossing.y_root; - PositionMenu(menu, &loc); - break; - case MotionNotify: - loc.x = event->xmotion.x_root; - loc.y = event->xmotion.y_root; - PositionMenu(menu, &loc); - break; - default: - PositionMenu(menu, NULL); - break; - } -} - -/* - * Widget Action Routines - */ -/* - * Function: - * Unhighlight - * - * Parameters: - * w - simple menu widget - * event - event that caused this action - * params - not used - * num_params - "" - * - * Description: - * Unhighlights current entry. - */ -/*ARGSUSED*/ -static void -Unhighlight(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - SmeObject entry = smw->simple_menu.entry_set; - - if (entry == NULL) - return; - -#ifndef OLDXAW - if (!smw->simple_menu.sub_menu) -#endif - { - SmeObjectClass cclass; - - smw->simple_menu.entry_set = NULL; - cclass = (SmeObjectClass)entry->object.widget_class; - (cclass->sme_class.unhighlight)((Widget)entry); - } -} - -/* - * Function: - * Highlight - * - * Parameters: - * w - simple menu widget - * event - event that caused this action - * params - not used - * num_params - "" - * - * Description: - * Highlights current entry. - */ -/*ARGSUSED*/ -static void -Highlight(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - SmeObject entry; - - if (!XtIsSensitive(w)) - return; - - entry = GetEventEntry(w, event); - - if (entry == smw->simple_menu.entry_set) - return; - -#ifndef OLDXAW - if (!smw->simple_menu.sub_menu) -#endif - Unhighlight(w, event, params, num_params); - - if (entry == NULL) - return; - - if (!XtIsSensitive((Widget)entry)) - return; - -#ifndef OLDXAW - if (smw->simple_menu.sub_menu) - PopdownSubMenu(smw); -#endif - - Unhighlight(w, event, params, num_params); - -#ifndef OLDXAW - if (!(smw->simple_menu.state & SMW_UNMAPPING)) -#endif - { - SmeObjectClass cclass; - - smw->simple_menu.entry_set = entry; - cclass = (SmeObjectClass)entry->object.widget_class; - - (cclass->sme_class.highlight)((Widget)entry); - -#ifndef OLDXAW - if (XtIsSubclass((Widget)entry, smeBSBObjectClass)) - PopupSubMenu(smw); -#endif - } -} - -/* - * Function: - * Notify - * - * Parameters: - * w - simple menu widget - * event - event that caused this action - * params - not used - * num_params - "" - * - * Description: - * Notify user of current entry. - */ -/*ARGSUSED*/ -static void -Notify(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - SmeObject entry; - SmeObjectClass cclass; - - /* may be a propagated event from a sub menu, need to check it */ - if (XtWindow(w) != event->xany.window) - return; - entry = GetEventEntry(w, event); - if (entry == NULL || !XtIsSensitive((Widget)entry)) - return; - - cclass = (SmeObjectClass) entry->object.widget_class; - (cclass->sme_class.notify)((Widget)entry); -} - -/* - * Public Functions - */ -/* - * Function: - * XawSimpleMenuAddGlobalActions - * - * Arguments: - * app_con - appcontext - * - * Description: - * Adds the global actions to the simple menu widget. - */ -void -XawSimpleMenuAddGlobalActions(XtAppContext app_con) -{ - XtInitializeWidgetClass(simpleMenuWidgetClass); - XmuCallInitializers(app_con); -} - -/* - * Function: - * XawSimpleMenuGetActiveEntry - * - * Parameters: - * w - smw widget - * - * Description: - * Gets the currently active (set) entry. - * - * Returns: - * The currently set entry or NULL if none is set - */ -Widget -XawSimpleMenuGetActiveEntry(Widget w) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - - return ((Widget)smw->simple_menu.entry_set); -} - -/* - * Function: - * XawSimpleMenuClearActiveEntry - * - * Parameters: - * w - smw widget - * - * Description: - * Unsets the currently active (set) entry. - */ -void -XawSimpleMenuClearActiveEntry(Widget w) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - - smw->simple_menu.entry_set = NULL; -} - -/* - * Private Functions - */ -/* - * Function: - * CreateLabel - * - * Parameters: - * w - smw widget - * - * Description: - * Creates the label object and makes sure it is the first child in - * in the list. - */ -static void -CreateLabel(Widget w) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - Widget *child, *next_child; - int i; - Arg args[2]; - - if (smw->simple_menu.label_string == NULL || - smw->simple_menu.label != NULL) { - XtAppWarning(XtWidgetToApplicationContext(w), - "Xaw Simple Menu Widget: label string is NULL or " - "label already exists, no label is being created."); - return; - } - - XtSetArg(args[0], XtNlabel, smw->simple_menu.label_string); - XtSetArg(args[1], XtNjustify, XtJustifyCenter); - smw->simple_menu.label = (SmeObject) - XtCreateManagedWidget("menuLabel", - smw->simple_menu.label_class, w, args, TWO); - - next_child = NULL; - for (child = smw->composite.children + smw->composite.num_children, - i = smw->composite.num_children; i > 0; i--, child--) { - if (next_child != NULL) - *next_child = *child; - next_child = child; - } - *child = (Widget)smw->simple_menu.label; -} - -/* - * Function: - * Layout - * - * Arguments: - * w - See below - * width_ret - returned width - * height_ret - returned height - * - * Note: - * if width == NULL || height == NULL then it assumes the you do not care - * about the return values, and just want a relayout. - * - * if this is not the case then it will set width_ret and height_ret - * to be width and height that the child would get if it were layed out - * at this time. - * - * "w" can be the simple menu widget or any of its object children. - */ -static void -Layout(Widget w, Dimension *width_ret, Dimension *height_ret) -{ - SmeObject current_entry; - SimpleMenuWidget smw; - Dimension width, height; - Boolean allow_change_size; - Widget kid; - Cardinal i, count, n; - int width_kid, height_kid, tmp_w, tmp_h; - short vadd, hadd, x_ins, y_ins; - Dimension *widths; - - height = 0; - - if (XtIsSubclass(w, simpleMenuWidgetClass)) { - smw = (SimpleMenuWidget)w; - current_entry = NULL; - } - else { - smw = (SimpleMenuWidget)XtParent(w); - current_entry = (SmeObject)w; - } - - allow_change_size = (!XtIsRealized((Widget)smw) - || smw->shell.allow_shell_resize); - - for (i = smw->simple_menu.label ? 1 : 0; - i < smw->composite.num_children; - i++) { - XtWidgetGeometry preferred; - - kid = smw->composite.children[i]; - if (!XtIsManaged(kid)) - continue; - if (smw->simple_menu.row_height != 0) - XtHeight(kid) = smw->simple_menu.row_height; - XtQueryGeometry(kid, NULL, &preferred); - if (preferred.request_mode & CWWidth) - XtWidth(kid) = preferred.width; - } - - if (smw->simple_menu.label - && XtIsManaged((Widget)smw->simple_menu.label)) { - XtWidgetGeometry preferred; - - kid = (Widget)smw->simple_menu.label; - XtQueryGeometry(kid, NULL, &preferred); - if (preferred.request_mode & CWWidth) - XtWidth(kid) = preferred.width; - if (preferred.request_mode & CWHeight) - XtHeight(kid) = preferred.height; - } - - /* reset */ - if (!smw->simple_menu.menu_width) - XtWidth(smw) = 0; - if (!smw->simple_menu.menu_height) - XtHeight(smw) = 0; - if (!XtWidth(smw) || !XtHeight(smw)) - MakeResizeRequest((Widget)smw); - - widths = (Dimension *)XtMalloc(sizeof(Dimension)); -#ifndef OLDXAW - hadd = smw->simple_menu.left_margin; -#else - hadd = 0; -#endif - vadd = smw->simple_menu.top_margin; - if (smw->simple_menu.label) - vadd += XtHeight(smw->simple_menu.label); - - count = 1; - width = tmp_w = tmp_h = n = 0; - height = vadd; - - for (i = smw->simple_menu.label ? 1 : 0; - i < smw->composite.num_children; - i++) { - kid = smw->composite.children[i]; - if (!XtIsManaged(kid)) - continue; - width_kid = XtWidth(kid); - height_kid = XtHeight(kid); - - if (n && (height + height_kid + smw->simple_menu.bottom_margin - > XtHeight(smw))) { - ++count; - widths = (Dimension *)XtRealloc((char *)widths, - sizeof(Dimension) * count); - widths[count - 1] = width_kid; - width += tmp_w; - tmp_w = width_kid; - height = height_kid + vadd; - } - else - height += height_kid; - if (height > tmp_h) - tmp_h = height; - if (width_kid > tmp_w) - widths[count - 1] = tmp_w = width_kid; - ++n; - } - - height = tmp_h + smw->simple_menu.bottom_margin; - width += tmp_w; - - if (smw->simple_menu.label && width < XtWidth(smw->simple_menu.label)) { - float inc; - - inc = (XtWidth(smw->simple_menu.label) - width) / (float)count; - width = XtWidth(smw->simple_menu.label); - for (n = 0; n < count; n++) - widths[n] += inc; - } - -#ifndef OLDXAW - width += hadd + smw->simple_menu.right_margin; -#endif - - x_ins = n = count = 0; - tmp_w = widths[0]; - tmp_h = vadd; - - for (i = smw->simple_menu.label ? 1 : 0; - i < smw->composite.num_children; - i++) { - kid = smw->composite.children[i]; - if (!XtIsManaged(kid)) - continue; - - height_kid = XtHeight(kid); - - if (n && (tmp_h + height_kid + smw->simple_menu.bottom_margin - > XtHeight(smw))) { - x_ins = tmp_w; - y_ins = vadd; - ++count; - tmp_w += widths[count]; - tmp_h = height_kid + vadd; - } - else { - y_ins = tmp_h; - tmp_h += height_kid; - } - ++n; - - XtX(kid) = x_ins + hadd; - XtY(kid) = y_ins; - XtWidth(kid) = widths[count]; - } - - XtFree((char *)widths); - - if (allow_change_size) - MakeSetValuesRequest((Widget) smw, width, height); - - if (smw->simple_menu.label) { - XtX(smw->simple_menu.label) = 0; - XtY(smw->simple_menu.label) = smw->simple_menu.top_margin; - XtWidth(smw->simple_menu.label) = XtWidth(smw) -#ifndef OLDXAW - - (smw->simple_menu.left_margin + smw->simple_menu.right_margin) -#endif - ; - } - if (current_entry) { - if (width_ret) - *width_ret = XtWidth(current_entry); - if (height_ret) - *height_ret = XtHeight(current_entry); - } -} - -/* - * Function: - * AddPositionAction - * - * Parameters: - * app_con - application context - * data - (not used) - * - * Description: - * Adds the XawPositionSimpleMenu action to the global - * action list for this appcon. - */ -/*ARGSUSED*/ -static void -AddPositionAction(XtAppContext app_con, XPointer data) -{ - static XtActionsRec pos_action[] = { - {"XawPositionSimpleMenu", PositionMenuAction}, - }; - - XtAppAddActions(app_con, pos_action, XtNumber(pos_action)); -} - -/* - * Function: - * FindMenu - * - * Parameters: - * widget - reference widget - * name - menu widget's name - * - * Description: - * Find the menu give a name and reference widget - * - * Returns: - * The menu widget or NULL. - */ -static Widget -FindMenu(Widget widget, String name) -{ - Widget w, menu; - - for (w = widget; w != NULL; w = XtParent(w)) - if ((menu = XtNameToWidget(w, name)) != NULL) - return (menu); - - return (NULL); -} - -/* - * Function: - * PositionMenu - * - * Parameters: - * w - simple menu widget - * location - pointer the the position or NULL - * - * Description: - * Places the menu - */ -static void -PositionMenu(Widget w, XPoint *location) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - SmeObject entry; - XPoint t_point; - - if (location == NULL) { - Window temp1, temp2; - int root_x, root_y, tempX, tempY; - unsigned int tempM; - - location = &t_point; - if (XQueryPointer(XtDisplay(w), XtWindow(w), &temp1, &temp2, - &root_x, &root_y, &tempX, &tempY, &tempM) == False) { - XtAppWarning(XtWidgetToApplicationContext(w), - "Xaw Simple Menu Widget: " - "Could not find location of mouse pointer"); - return; - } - location->x = (short) root_x; - location->y = (short) root_y; - } - - /* - * The width will not be correct unless it is realized - */ - XtRealizeWidget(w); - - location->x -= XtWidth(w) >> 1; - - if (smw->simple_menu.popup_entry == NULL) - entry = smw->simple_menu.label; - else - entry = smw->simple_menu.popup_entry; - - if (entry != NULL) - location->y -= XtY(entry) + (XtHeight(entry) >> 1); - - MoveMenu(w, location->x, location->y); -} - -/* - * Function: - * MoveMenu - * - * Parameters: - * w - simple menu widget - * x - current location of the widget - * y - "" - * - * Description: - * Actually moves the menu, may force it to - * to be fully visable if menu_on_screen is True. - */ -static void -MoveMenu(Widget w, int x, int y) -{ - Arg arglist[2]; - Cardinal num_args = 0; - SimpleMenuWidget smw = (SimpleMenuWidget)w; - - if (smw->simple_menu.menu_on_screen) { - int width = XtWidth(w) + (XtBorderWidth(w) << 1); - int height = XtHeight(w) + (XtBorderWidth(w) << 1); - - if (x >= 0) { - int scr_width = WidthOfScreen(XtScreen(w)); - - if (x + width > scr_width) - x = scr_width - width; - } - if (x < 0) - x = 0; - - if (y >= 0) { - int scr_height = HeightOfScreen(XtScreen(w)); - - if (y + height > scr_height) - y = scr_height - height; - } - if (y < 0) - y = 0; - } - - XtSetArg(arglist[num_args], XtNx, x); num_args++; - XtSetArg(arglist[num_args], XtNy, y); num_args++; - XtSetValues(w, arglist, num_args); -} - -/* - * Function: - * ChangeCursorOnGrab - * - * Parameters: - * w - menu widget - * temp1 - not used - * temp2 - "" - * - * Description: - * Changes the cursor on the active grab to the one - * specified in out resource list. - */ -/*ARGSUSED*/ -static void -ChangeCursorOnGrab(Widget w, XtPointer temp1, XtPointer temp2) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - - /* - * The event mask here is what is currently in the MIT implementation. - * There really needs to be a way to get the value of the mask out - * of the toolkit (CDP 5/26/89). - */ - XChangeActivePointerGrab(XtDisplay(w), ButtonPressMask | ButtonReleaseMask, - smw->simple_menu.cursor, - XtLastTimestampProcessed(XtDisplay(w))); -} - -/* - * Function: - * MakeSetValuesRequest - * - * Parameters: - * w - simple menu widget - * width - size requested - * height - "" - */ -static void -MakeSetValuesRequest(Widget w, unsigned int width, unsigned int height) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - Arg arglist[2]; - Cardinal num_args = 0; - - if (!smw->simple_menu.recursive_set_values) { - if (XtWidth(smw) != width || XtHeight(smw) != height) { - smw->simple_menu.recursive_set_values = True; - XtSetArg(arglist[num_args], XtNwidth, width); num_args++; - XtSetArg(arglist[num_args], XtNheight, height); num_args++; - XtSetValues(w, arglist, num_args); - } - else if (XtIsRealized((Widget)smw)) - XawSimpleMenuRedisplay((Widget)smw, NULL, NULL); - } - smw->simple_menu.recursive_set_values = False; -} - -static SmeObject -DoGetEventEntry(Widget w, int x_loc, int y_loc) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - SmeObject *entry; - - ForAllChildren(smw, entry) { - if (!XtIsManaged((Widget)*entry)) - continue; - - if (x_loc > XtX(*entry) - && x_loc <= XtX(*entry) + XtWidth(*entry) - && y_loc > XtY(*entry) - && y_loc <= XtY(*entry) + XtHeight(*entry)) { - if (*entry == smw->simple_menu.label) - return (NULL); /* cannot select the label */ - else - return (*entry); - } - } - - return (NULL); -} - -/* - * Function: - * GetEventEntry - * - * Parameters: - * w - simple menu widget - * event - X event - * - * Description: - * Gets an entry given an event that has X and Y coords. - * - * Returns: - * The entry that this point is in - */ -static SmeObject -GetEventEntry(Widget w, XEvent *event) -{ - int x_loc, y_loc, x_root; - SimpleMenuWidget smw = (SimpleMenuWidget)w; - SmeObject entry; - int warp, move; - - switch (event->type) { - case MotionNotify: - x_loc = event->xmotion.x; - y_loc = event->xmotion.y; - x_root = event->xmotion.x_root; - break; - case EnterNotify: - case LeaveNotify: - x_loc = event->xcrossing.x; - y_loc = event->xcrossing.y; - x_root = event->xcrossing.x_root; - break; - case ButtonPress: - case ButtonRelease: - x_loc = event->xbutton.x; - y_loc = event->xbutton.y; - x_root = event->xbutton.x_root; - break; - default: - XtAppError(XtWidgetToApplicationContext(w), - "Unknown event type in GetEventEntry()."); - return (NULL); - } - - if (x_loc < 0 || x_loc >= XtWidth(smw) || - y_loc < 0 || y_loc >= XtHeight(smw)) - return (NULL); - - /* Move the menu if it's outside the screen, does not check - * smw->simple_menu.menu_on_screen because menus is bigger than screen - */ - if (x_root == WidthOfScreen(XtScreen(w)) - 1 && - XtX(w) + XtWidth(w) + (XtBorderWidth(w)) > x_root) { - warp = -8; - if (smw->simple_menu.entry_set) { - entry = DoGetEventEntry(w, - XtX(smw->simple_menu.entry_set) - + XtWidth(smw->simple_menu.entry_set) + 1, - y_loc); - Unhighlight(w, event, NULL, NULL); - if (entry) { - warp = -(int)XtWidth(entry) >> 1; - move = x_loc - XtWidth(entry) - XtX(entry) + XtBorderWidth(w); - } - else { - warp = 0; - move = WidthOfScreen(XtScreen(w)) - - (XtX(w) + XtWidth(w) + (XtBorderWidth(w) << 1)); - } - } - else { - warp = 0; - move = WidthOfScreen(XtScreen(w)) - - (XtX(w) + XtWidth(w) + (XtBorderWidth(w) << 1)); - } - } - else if (x_root == 0 && XtX(w) < 0) { - warp = 8; - if (smw->simple_menu.entry_set) { - entry = DoGetEventEntry(w, XtX(smw->simple_menu.entry_set) - 1, - y_loc); - Unhighlight(w, event, NULL, NULL); - if (entry) { - warp = XtWidth(entry) >> 1; - move = x_loc - XtX(entry); - } - else - move = x_loc + XtBorderWidth(w); - } - else - move = x_loc + XtBorderWidth(w); - } - else - move = warp = 0; - - if (move) - XtMoveWidget(w, XtX(w) + move, XtY(w)); - if (warp) - XWarpPointer(XtDisplay(w), None, None, 0, 0, 0, 0, warp, 0); - - return (DoGetEventEntry(w, x_loc, y_loc)); -} - -static void -CalculateNewSize(Widget w, Dimension *width_return, Dimension *height_return) -{ - SimpleMenuWidget xaw = (SimpleMenuWidget)w; - Widget kid; - Cardinal i; - int width_kid, height_kid; - int width, height, tmp_w, tmp_h, max_dim; - short vadd, hadd; - int n, columns, test_h, num_children = 0; - Boolean try_layout = False; - -#ifndef OLDXAW - hadd = xaw->simple_menu.left_margin + xaw->simple_menu.right_margin; -#else - hadd = 0; -#endif - vadd = xaw->simple_menu.top_margin + xaw->simple_menu.bottom_margin; - if (xaw->simple_menu.label) - vadd += XtHeight(xaw->simple_menu.label); - - if (*height_return) - max_dim = *height_return; - else if (!XtHeight(w)) { - max_dim = HeightOfScreen(XtScreen(w)); - try_layout = True; - } - else - max_dim = XtHeight(w); - max_dim -= vadd; - - width = height = tmp_w = tmp_h = n = test_h = 0; - columns = 1; - for (i = xaw->simple_menu.label ? 1 : 0; - i < xaw->composite.num_children; - i++) { - kid = xaw->composite.children[i]; - if (!XtIsManaged(kid)) - continue; - ++num_children; - width_kid = XtWidth(kid); - height_kid = XtHeight(kid); - - if (try_layout) { - if (!test_h) - test_h = height_kid; - else if (test_h != height_kid) - try_layout = False; - } - - if (n && (height + height_kid > max_dim)) { - ++columns; - width += tmp_w; - tmp_w = width_kid; - height = height_kid; - } - else - height += height_kid; - if (height > tmp_h) - tmp_h = height; - if (width_kid > tmp_w) - tmp_w = width_kid; - ++n; - } - - height = tmp_h + vadd; - width += tmp_w + hadd; - - if (xaw->simple_menu.label) - width = XawMax(width, XtWidth(xaw->simple_menu.label) + hadd); - - *width_return = width; - *height_return = height; - - if (try_layout && columns > 1 && num_children > 2) { - int space; - - height = test_h * (xaw->simple_menu.label ? - num_children - 1 : - num_children); - - max_dim -= max_dim % test_h; - space = max_dim - (height % max_dim); - if (space >= test_h * columns) { - height = max_dim - space / columns; - if (height % test_h) - height += test_h - (height % test_h); - *height_return = height + vadd; - CalculateNewSize(w, width_return, height_return); - } - } -} - -static void -MakeResizeRequest(Widget w) -{ - int tries; - Dimension width, height; - - width = XtWidth(w); - height = XtHeight(w); - - for (tries = 0; tries < 100; tries++) { - CalculateNewSize(w, &width, &height); - if (width == XtWidth(w) && height == XtHeight(w)) - break; - if (XtMakeResizeRequest(w, width, height, &width, &height) == - XtGeometryNo) - break; - } -} - -#ifndef OLDXAW -static void -Popdown(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - - while (XtParent(w) && - XtIsSubclass(XtParent(w), simpleMenuWidgetClass)) { - if (((SimpleMenuWidget)XtParent(w))->simple_menu.sub_menu == (Widget)w) { - w = XtParent(w); - smw = (SimpleMenuWidget)w; - smw->simple_menu.entry_set = NULL; - } - else - break; - } - - smw->simple_menu.state |= SMW_UNMAPPING; - if (smw->simple_menu.sub_menu) - PopdownSubMenu(smw); - XtCallActionProc(w, "XtMenuPopdown", event, params, *num_params); -} - -static void -PopupSubMenu(SimpleMenuWidget smw) -{ - Arg args[2]; - Cardinal num_args; - Widget menu; - SmeBSBObject entry = (SmeBSBObject)smw->simple_menu.entry_set; - Position menu_x, menu_y; - Bool popleft; - - if (entry->sme_bsb.menu_name == NULL) - return; - - if ((menu = FindMenu((Widget)smw, entry->sme_bsb.menu_name)) == NULL) - return; - - smw->simple_menu.sub_menu = menu; - - if (!XtIsRealized(menu)) - XtRealizeWidget(menu); - - popleft = (smw->simple_menu.state & SMW_POPLEFT) != 0; - - if (popleft) - XtTranslateCoords((Widget)smw, -(int)XtWidth(menu), - XtY(entry) - XtBorderWidth(menu), &menu_x, &menu_y); - else - XtTranslateCoords((Widget)smw, XtWidth(smw), XtY(entry) - - XtBorderWidth(menu), &menu_x, &menu_y); - - if (!popleft && menu_x >= 0) { - int scr_width = WidthOfScreen(XtScreen(menu)); - - if (menu_x + XtWidth(menu) > scr_width) { - menu_x -= XtWidth(menu) + XtWidth(smw); - popleft = True; - } - } - else if (popleft && menu_x < 0) { - menu_x = 0; - popleft = False; - } - if (menu_y >= 0) { - int scr_height = HeightOfScreen(XtScreen(menu)); - - if (menu_y + XtHeight(menu) > scr_height) - menu_y = scr_height - XtHeight(menu) - XtBorderWidth(menu); - } - if (menu_y < 0) - menu_y = 0; - - num_args = 0; - XtSetArg(args[num_args], XtNx, menu_x); num_args++; - XtSetArg(args[num_args], XtNy, menu_y); num_args++; - XtSetValues(menu, args, num_args); - - if (popleft) - ((SimpleMenuWidget)menu)->simple_menu.state |= SMW_POPLEFT; - else - ((SimpleMenuWidget)menu)->simple_menu.state &= ~SMW_POPLEFT; - - XtPopup(menu, XtGrabNone); -} - -static void -PopdownSubMenu(SimpleMenuWidget smw) -{ - SimpleMenuWidget menu = (SimpleMenuWidget)smw->simple_menu.sub_menu; - - if (!menu) - return; - - menu->simple_menu.state |= SMW_UNMAPPING; - PopdownSubMenu(menu); - - XtPopdown((Widget)menu); - - smw->simple_menu.sub_menu = NULL; -} - -/*ARGSUSED*/ -static void -PopupCB(Widget w, XtPointer client_data, XtPointer call_data) -{ - SimpleMenuWidget smw = (SimpleMenuWidget)w; - - smw->simple_menu.state &= ~(SMW_UNMAPPING | SMW_POPLEFT); -} -#endif /* OLDXAW */ +/*
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ */
+
+/*
+ * SimpleMenu.c - Source code file for SimpleMenu widget.
+ *
+ * Date: April 3, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Initer.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/SimpleMenP.h>
+#include <X11/Xaw/SmeBSBP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define streq(a, b) (strcmp((a), (b)) == 0)
+
+#define ForAllChildren(smw, childP) \
+for ((childP) = (SmeObject *)(smw)->composite.children; \
+ (childP) < (SmeObject *)((smw)->composite.children \
+ + (smw)->composite.num_children); \
+ (childP)++)
+
+#ifndef OLDXAW
+#define SMW_UNMAPPING 0x01
+#define SMW_POPLEFT 0x02
+#endif
+
+/*
+ * Class Methods
+ */
+static void XawSimpleMenuChangeManaged(Widget);
+static void XawSimpleMenuClassInitialize(void);
+static void XawSimpleMenuClassPartInitialize(WidgetClass);
+static XtGeometryResult XawSimpleMenuGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawSimpleMenuInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawSimpleMenuRealize(Widget, XtValueMask*, XSetWindowAttributes*);
+static void XawSimpleMenuRedisplay(Widget, XEvent*, Region);
+static void XawSimpleMenuResize(Widget);
+static Boolean XawSimpleMenuSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static Boolean XawSimpleMenuSetValuesHook(Widget, ArgList, Cardinal*);
+#ifndef OLDXAW
+static void PopupSubMenu(SimpleMenuWidget);
+static void PopdownSubMenu(SimpleMenuWidget);
+static void PopupCB(Widget, XtPointer, XtPointer);
+#endif
+
+/*
+ * Prototypes
+ */
+static void AddPositionAction(XtAppContext, XPointer);
+static void CalculateNewSize(Widget, Dimension*, Dimension*);
+static void ChangeCursorOnGrab(Widget, XtPointer, XtPointer);
+static void CreateLabel(Widget);
+static SmeObject DoGetEventEntry(Widget, int, int);
+static Widget FindMenu(Widget, String);
+static SmeObject GetEventEntry(Widget, XEvent*);
+static void Layout(Widget, Dimension*, Dimension*);
+static void MakeResizeRequest(Widget);
+static void MakeSetValuesRequest(Widget, unsigned int, unsigned int);
+static void MoveMenu(Widget, int, int);
+static void PositionMenu(Widget, XPoint*);
+
+/*
+ * Actions
+ */
+static void Highlight(Widget, XEvent*, String*, Cardinal*);
+static void Notify(Widget, XEvent*, String*, Cardinal*);
+#ifndef OLDXAW
+static void Popdown(Widget, XEvent*, String*, Cardinal*);
+#endif
+static void PositionMenuAction(Widget, XEvent*, String*, Cardinal*);
+static void Unhighlight(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(SimpleMenuRec, simple_menu.field)
+
+static XtResource resources[] = {
+ /* label */
+ {
+ XtNlabel,
+ XtCLabel,
+ XtRString,
+ sizeof(String),
+ offset(label_string),
+ XtRString,
+ NULL
+ },
+ {
+ XtNlabelClass,
+ XtCLabelClass,
+ XtRPointer,
+ sizeof(WidgetClass),
+ offset(label_class),
+ XtRImmediate,
+ NULL
+ },
+
+ /* layout */
+ {
+ XtNrowHeight,
+ XtCRowHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(row_height),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNtopMargin,
+ XtCVerticalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(top_margin),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNbottomMargin,
+ XtCVerticalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(bottom_margin),
+ XtRImmediate,
+ (XtPointer)0
+ },
+#ifndef OLDXAW
+ {
+ XtNleftMargin,
+ XtCHorizontalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(left_margin),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNrightMargin,
+ XtCHorizontalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(right_margin),
+ XtRImmediate,
+ (XtPointer)0
+ },
+#endif
+
+ /* misc */
+ {
+ XtNallowShellResize,
+ XtCAllowShellResize,
+ XtRBoolean,
+ sizeof(Boolean),
+ XtOffsetOf(SimpleMenuRec, shell.allow_shell_resize),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNcursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(cursor),
+ XtRImmediate,
+ (XtPointer)None
+ },
+ {
+ XtNmenuOnScreen,
+ XtCMenuOnScreen,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(menu_on_screen),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNpopupOnEntry,
+ XtCPopupOnEntry,
+ XtRWidget,
+ sizeof(Widget),
+ offset(popup_entry),
+ XtRWidget,
+ NULL
+ },
+ {
+ XtNbackingStore,
+ XtCBackingStore,
+ XtRBackingStore,
+ sizeof(int),
+ offset(backing_store),
+ XtRImmediate,
+ (XtPointer)(Always + WhenMapped + NotUseful)
+ },
+#ifndef OLDXAW
+ {
+ XawNdisplayList,
+ XawCDisplayList,
+ XawRDisplayList,
+ sizeof(XawDisplayList*),
+ offset(display_list),
+ XtRImmediate,
+ NULL
+ },
+#endif
+};
+#undef offset
+
+static char defaultTranslations[] =
+"<Enter>:" "highlight()\n"
+"<Leave>:" "unhighlight()\n"
+"<BtnMotion>:" "highlight()\n"
+#ifndef OLDXAW
+"<BtnUp>:" "popdown() notify() unhighlight()\n"
+#else
+"<BtnUp>:" "MenuPopdown() notify() unhighlight()\n"
+#endif
+;
+
+static XtActionsRec actionsList[] =
+{
+ {"notify", Notify},
+ {"highlight", Highlight},
+ {"unhighlight", Unhighlight},
+#ifndef OLDXAW
+ {"popdown", Popdown},
+ {"set-values", XawSetValuesAction},
+ {"get-values", XawGetValuesAction},
+ {"declare", XawDeclareAction},
+ {"call-proc", XawCallProcAction},
+#endif
+};
+
+static CompositeClassExtensionRec extension_rec = {
+ NULL, /* next_extension */
+ NULLQUARK, /* record_type */
+ XtCompositeExtensionVersion, /* version */
+ sizeof(CompositeClassExtensionRec), /* record_size */
+ True, /* accepts_objects */
+};
+
+#define Superclass (&overrideShellClassRec)
+SimpleMenuClassRec simpleMenuClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "SimpleMenu", /* class_name */
+ sizeof(SimpleMenuRec), /* size */
+ XawSimpleMenuClassInitialize, /* class_initialize */
+ XawSimpleMenuClassPartInitialize, /* class_part_initialize */
+ False, /* class_inited */
+ XawSimpleMenuInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawSimpleMenuRealize, /* realize */
+ actionsList, /* actions */
+ XtNumber(actionsList), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XawSimpleMenuResize, /* resize */
+ XawSimpleMenuRedisplay, /* expose */
+ XawSimpleMenuSetValues, /* set_values */
+ XawSimpleMenuSetValuesHook, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* intrinsics version */
+ NULL, /* callback offsets */
+ defaultTranslations, /* tm_table */
+ NULL, /* query_geometry */
+ NULL, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XawSimpleMenuGeometryManager, /* geometry_manager */
+ XawSimpleMenuChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ /* shell */
+ {
+ NULL, /* extension */
+ },
+ /* override */
+ {
+ NULL, /* extension */
+ },
+ /* simple_menu */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass simpleMenuWidgetClass = (WidgetClass)&simpleMenuClassRec;
+
+/*
+ * Implementation
+ */
+/*
+ * Function:
+ * XawSimpleMenuClassInitialize
+ *
+ * Description:
+ * Class Initialize routine, called only once.
+ */
+static void
+XawSimpleMenuClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtRBackingStore, XmuCvtStringToBackingStore,
+ NULL, 0);
+ XtSetTypeConverter(XtRBackingStore, XtRString, XmuCvtBackingStoreToString,
+ NULL, 0, XtCacheNone, NULL);
+ XmuAddInitializer(AddPositionAction, NULL);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuClassPartInitialize
+ * Arguments: wc - the widget class of the subclass.
+ *
+ * Description:
+ * Class Part Initialize routine, called for every subclass. Makes
+ * sure that the subclasses pick up the extension record.
+ */
+static void
+XawSimpleMenuClassPartInitialize(WidgetClass wc)
+{
+ SimpleMenuWidgetClass smwc = (SimpleMenuWidgetClass)wc;
+
+ /*
+ * Make sure that our subclass gets the extension rec too
+ */
+ extension_rec.next_extension = smwc->composite_class.extension;
+ smwc->composite_class.extension = (XtPointer) &extension_rec;
+}
+
+/*
+ * Function:
+ * XawSimpleMenuInitialize
+ *
+ * Parameters:
+ * request - widget requested by the argument list
+ * cnew - new widget with both resource and non resource values
+ *
+ * Description:
+ * Initializes the simple menu widget.
+ */
+/*ARGSUSED*/
+static void
+XawSimpleMenuInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)cnew;
+ Dimension width, height;
+
+ XmuCallInitializers(XtWidgetToApplicationContext(cnew));
+
+ if (smw->simple_menu.label_class == NULL)
+ smw->simple_menu.label_class = smeBSBObjectClass;
+
+ smw->simple_menu.label = NULL;
+ smw->simple_menu.entry_set = NULL;
+ smw->simple_menu.recursive_set_values = False;
+#ifndef OLDXAW
+ smw->simple_menu.sub_menu = NULL;
+ smw->simple_menu.state = 0;
+
+ XtAddCallback(cnew, XtNpopupCallback, PopupCB, NULL);
+#endif
+
+ if (smw->simple_menu.label_string != NULL)
+ CreateLabel(cnew);
+
+ width = height = 0;
+ CalculateNewSize(cnew, &width, &height);
+
+ smw->simple_menu.menu_width = True;
+
+ if (XtWidth(smw) == 0) {
+ smw->simple_menu.menu_width = False;
+ XtWidth(smw) = width;
+ }
+
+ smw->simple_menu.menu_height = True;
+
+ if (XtHeight(smw) == 0) {
+ smw->simple_menu.menu_height = False;
+ XtHeight(smw) = height;
+ }
+
+ /*
+ * Add a popup_callback routine for changing the cursor
+ */
+ XtAddCallback(cnew, XtNpopupCallback, ChangeCursorOnGrab, NULL);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuRedisplay
+ *
+ * Parameters:
+ * w - simple menu widget
+ * event - X event that caused this redisplay
+ * region - region the needs to be repainted
+ *
+ * Description:
+ * Redisplays the contents of the widget.
+ */
+/*ARGSUSED*/
+static void
+XawSimpleMenuRedisplay(Widget w, XEvent *event, Region region)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ SmeObject *entry;
+ SmeObjectClass cclass;
+
+ if (region == NULL)
+ XClearWindow(XtDisplay(w), XtWindow(w));
+
+#ifndef OLDXAW
+ if (smw->simple_menu.display_list)
+ XawRunDisplayList(w, smw->simple_menu.display_list, event, region);
+#endif
+
+ /*
+ * Check and Paint each of the entries - including the label
+ */
+ ForAllChildren(smw, entry) {
+ if (!XtIsManaged((Widget)*entry))
+ continue;
+
+ if (region != NULL)
+ switch(XRectInRegion(region, XtX(*entry),XtY(*entry),
+ XtWidth(*entry), XtHeight(*entry))) {
+ case RectangleIn:
+ case RectanglePart:
+ break;
+ default:
+ continue;
+ }
+
+ cclass = (SmeObjectClass)(*entry)->object.widget_class;
+
+ if (cclass->rect_class.expose != NULL)
+ (cclass->rect_class.expose)((Widget)*entry, NULL, NULL);
+ }
+}
+
+/*
+ * Function:
+ * XawSimpleMenuRealize
+ *
+ * Parameters:
+ * w - simple menu widget
+ * mask - value mask for the window to create
+ * attrs - attributes for the window to create
+ *
+ * Description:
+ * Realizes the widget.
+ */
+static void
+XawSimpleMenuRealize(Widget w, XtValueMask *mask, XSetWindowAttributes *attrs)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+#ifndef OLDXAW
+ XawPixmap *pixmap;
+#endif
+
+ attrs->cursor = smw->simple_menu.cursor;
+ *mask |= CWCursor;
+ if (smw->simple_menu.backing_store == Always ||
+ smw->simple_menu.backing_store == NotUseful ||
+ smw->simple_menu.backing_store == WhenMapped) {
+ *mask |= CWBackingStore;
+ attrs->backing_store = smw->simple_menu.backing_store;
+ }
+ else
+ *mask &= ~CWBackingStore;
+
+ (*Superclass->core_class.realize)(w, mask, attrs);
+
+#ifndef OLDXAW
+ if (w->core.background_pixmap > XtUnspecifiedPixmap) {
+ pixmap = XawPixmapFromXPixmap(w->core.background_pixmap, XtScreen(w),
+ w->core.colormap, w->core.depth);
+ if (pixmap && pixmap->mask)
+ XawReshapeWidget(w, pixmap);
+ }
+#endif
+}
+
+/*
+ * Function:
+ * XawSimpleMenuResize
+ *
+ * Parameters:
+ * w - simple menu widget
+ *
+ * Description:
+ * Handle the menu being resized.
+ */
+static void
+XawSimpleMenuResize(Widget w)
+{
+ if (!XtIsRealized(w))
+ return;
+
+ Layout(w, NULL, NULL);
+
+ XawSimpleMenuRedisplay(w, NULL, NULL);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuSetValues
+ *
+ * Parameters:
+ * current - current state of the widget
+ * request - what was requested
+ * cnew - what the widget will become
+ *
+ * Description:
+ * Relayout the menu when one of the resources is changed.
+ */
+/*ARGSUSED*/
+static Boolean
+XawSimpleMenuSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SimpleMenuWidget smw_old = (SimpleMenuWidget)current;
+ SimpleMenuWidget smw_new = (SimpleMenuWidget)cnew;
+ Boolean ret_val = False, layout = False;
+
+ if (!XtIsRealized(current))
+ return (False);
+
+ if (!smw_new->simple_menu.recursive_set_values) {
+ if (XtWidth(smw_new) != XtWidth(smw_old)) {
+ smw_new->simple_menu.menu_width = XtWidth(smw_new) != 0;
+ layout = True;
+ }
+ if (XtHeight(smw_new) != XtHeight(smw_old)) {
+ smw_new->simple_menu.menu_height = XtHeight(smw_new) != 0;
+ layout = True;
+ }
+ }
+
+ if (smw_old->simple_menu.cursor != smw_new->simple_menu.cursor)
+ XDefineCursor(XtDisplay(cnew), XtWindow(cnew),
+ smw_new->simple_menu.cursor);
+
+ if (smw_old->simple_menu.label_string !=smw_new->simple_menu.label_string) {
+ if (smw_new->simple_menu.label_string == NULL) /* Destroy */
+ XtDestroyWidget((Widget)smw_old->simple_menu.label);
+ else if (smw_old->simple_menu.label_string == NULL) /* Create */
+ CreateLabel(cnew);
+ else { /* Change */
+ Arg arglist[1];
+
+ XtSetArg(arglist[0], XtNlabel, smw_new->simple_menu.label_string);
+ XtSetValues((Widget)smw_new->simple_menu.label, arglist, ONE);
+ }
+ }
+
+ if (smw_old->simple_menu.label_class != smw_new->simple_menu.label_class)
+ XtAppWarning(XtWidgetToApplicationContext(cnew),
+ "No Dynamic class change of the SimpleMenu Label.");
+
+ if (smw_old->simple_menu.top_margin != smw_new->simple_menu.top_margin
+ || smw_old->simple_menu.bottom_margin
+ != smw_new->simple_menu.bottom_margin) {
+ layout = True;
+ ret_val = True;
+ }
+
+#ifndef OLDXAW
+ if (smw_old->core.background_pixmap != smw_new->core.background_pixmap) {
+ XawPixmap *opix, *npix;
+
+ opix = XawPixmapFromXPixmap(smw_old->core.background_pixmap,
+ XtScreen(smw_old), smw_old->core.colormap,
+ smw_old->core.depth);
+ npix = XawPixmapFromXPixmap(smw_new->core.background_pixmap,
+ XtScreen(smw_new), smw_new->core.colormap,
+ smw_new->core.depth);
+ if ((npix && npix->mask) || (opix && opix->mask))
+ XawReshapeWidget(cnew, npix);
+ }
+#endif
+
+ if (layout)
+ Layout(cnew, NULL, NULL);
+
+ return (ret_val);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuSetValuesHook
+ *
+ * Parameters:
+ * w - menu widget
+ * arglist - argument list passed to XtSetValues
+ * num_args - number of args
+ *
+ * Description:
+ * To handle a special case, this is passed the actual arguments.
+ */
+static Boolean
+XawSimpleMenuSetValuesHook(Widget w, ArgList arglist, Cardinal *num_args)
+{
+ Cardinal i;
+ Dimension width, height;
+
+ width = XtWidth(w);
+ height = XtHeight(w);
+
+ for (i = 0 ; i < *num_args ; i++) {
+ if (streq(arglist[i].name, XtNwidth))
+ width = (Dimension)arglist[i].value;
+ if (streq(arglist[i].name, XtNheight))
+ height = (Dimension) arglist[i].value;
+ }
+
+ if (width != XtWidth(w) || height != XtHeight(w))
+ MakeSetValuesRequest(w, width, height);
+
+ return (False);
+}
+
+/*
+ * Geometry Management routines
+ */
+/*
+ * Function:
+ * XawSimpleMenuGeometryManager
+ *
+ * Parameters:
+ * w - Menu Entry making the request
+ * request - requested new geometry
+ * reply - the allowed geometry.
+ *
+ * Description:
+ * This is the SimpleMenu Widget's Geometry Manager.
+ *
+ * Returns:
+ * XtGeometry{Yes, No, Almost}
+ */
+static XtGeometryResult
+XawSimpleMenuGeometryManager(Widget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)XtParent(w);
+ SmeObject entry = (SmeObject)w;
+ XtGeometryMask mode = request->request_mode;
+ XtGeometryResult answer;
+ Dimension old_height, old_width;
+
+ if (!(mode & CWWidth) && !(mode & CWHeight))
+ return (XtGeometryNo);
+
+ reply->width = request->width;
+ reply->height = request->height;
+
+ old_width = XtWidth(entry);
+ old_height = XtHeight(entry);
+
+ Layout(w, &reply->width, &reply->height);
+
+ /*
+ * Since we are an override shell and have no parent there is no one to
+ * ask to see if this geom change is okay, so I am just going to assume
+ * we can do whatever we want. If you subclass be very careful with this
+ * assumption, it could bite you.
+ *
+ * Chris D. Peterson - Sept. 1989.
+ */
+ if ((!(mode & CWWidth) || reply->width == request->width)
+ && (!(mode & CWHeight) || reply->height == request->height)) {
+ if (mode & XtCWQueryOnly) { /* Actually perform the layout */
+ XtWidth(entry) = old_width;
+ XtHeight(entry) = old_height;
+ }
+ else
+ Layout((Widget)smw, NULL, NULL);
+ answer = XtGeometryDone;
+ }
+ else {
+ XtWidth(entry) = old_width;
+ XtHeight(entry) = old_height;
+
+ if ((reply->width == request->width && !(mode & CWHeight))
+ || (reply->height == request->height && !(mode & CWWidth))
+ || (reply->width == request->width
+ && reply->height == request->height))
+ answer = XtGeometryNo;
+ else {
+ answer = XtGeometryAlmost;
+ reply->request_mode = 0;
+ if (reply->width != request->width)
+ reply->request_mode |= CWWidth;
+ if (reply->height != request->height)
+ reply->request_mode |= CWHeight;
+ }
+ }
+
+ return (answer);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuChangeManaged
+ *
+ * Parameters:
+ * w - simple menu widget
+ *
+ * Description:
+ * Called whenever a new child is managed.
+ */
+static void
+XawSimpleMenuChangeManaged(Widget w)
+{
+ Layout(w, NULL, NULL);
+}
+
+/*
+ * Global Action Routines
+ *
+ * These actions routines will be added to the application's
+ * global action list
+ */
+/*
+ * Function:
+ * PositionMenuAction
+ *
+ * Parameters:
+ * w - a widget (no the simple menu widget)
+ * event - the event that caused this action
+ * params - parameters passed to the routine.
+ * we expect the name of the menu here.
+ * num_params - ""
+ *
+ * Description:
+ * Positions the simple menu widget.
+ */
+/*ARGSUSED*/
+static void
+PositionMenuAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ Widget menu;
+ XPoint loc;
+
+ if (*num_params != 1) {
+ XtAppWarning(XtWidgetToApplicationContext(w),
+ "SimpleMenuWidget: position menu action expects "
+ "only one parameter which is the name of the menu.");
+ return;
+ }
+
+ if ((menu = FindMenu(w, params[0])) == NULL) {
+ char error_buf[BUFSIZ];
+
+ (void)XmuSnprintf(error_buf, sizeof(error_buf),
+ "SimpleMenuWidget: could not find menu named %s.",
+ params[0]);
+ XtAppWarning(XtWidgetToApplicationContext(w), error_buf);
+ return;
+ }
+
+ switch (event->type) {
+ case ButtonPress:
+ case ButtonRelease:
+ loc.x = event->xbutton.x_root;
+ loc.y = event->xbutton.y_root;
+ PositionMenu(menu, &loc);
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ loc.x = event->xcrossing.x_root;
+ loc.y = event->xcrossing.y_root;
+ PositionMenu(menu, &loc);
+ break;
+ case MotionNotify:
+ loc.x = event->xmotion.x_root;
+ loc.y = event->xmotion.y_root;
+ PositionMenu(menu, &loc);
+ break;
+ default:
+ PositionMenu(menu, NULL);
+ break;
+ }
+}
+
+/*
+ * Widget Action Routines
+ */
+/*
+ * Function:
+ * Unhighlight
+ *
+ * Parameters:
+ * w - simple menu widget
+ * event - event that caused this action
+ * params - not used
+ * num_params - ""
+ *
+ * Description:
+ * Unhighlights current entry.
+ */
+/*ARGSUSED*/
+static void
+Unhighlight(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ SmeObject entry = smw->simple_menu.entry_set;
+
+ if (entry == NULL)
+ return;
+
+#ifndef OLDXAW
+ if (!smw->simple_menu.sub_menu)
+#endif
+ {
+ SmeObjectClass cclass;
+
+ smw->simple_menu.entry_set = NULL;
+ cclass = (SmeObjectClass)entry->object.widget_class;
+ (cclass->sme_class.unhighlight)((Widget)entry);
+ }
+}
+
+/*
+ * Function:
+ * Highlight
+ *
+ * Parameters:
+ * w - simple menu widget
+ * event - event that caused this action
+ * params - not used
+ * num_params - ""
+ *
+ * Description:
+ * Highlights current entry.
+ */
+/*ARGSUSED*/
+static void
+Highlight(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ SmeObject entry;
+
+ if (!XtIsSensitive(w))
+ return;
+
+ entry = GetEventEntry(w, event);
+
+ if (entry == smw->simple_menu.entry_set)
+ return;
+
+#ifndef OLDXAW
+ if (!smw->simple_menu.sub_menu)
+#endif
+ Unhighlight(w, event, params, num_params);
+
+ if (entry == NULL)
+ return;
+
+ if (!XtIsSensitive((Widget)entry))
+ return;
+
+#ifndef OLDXAW
+ if (smw->simple_menu.sub_menu)
+ PopdownSubMenu(smw);
+#endif
+
+ Unhighlight(w, event, params, num_params);
+
+#ifndef OLDXAW
+ if (!(smw->simple_menu.state & SMW_UNMAPPING))
+#endif
+ {
+ SmeObjectClass cclass;
+
+ smw->simple_menu.entry_set = entry;
+ cclass = (SmeObjectClass)entry->object.widget_class;
+
+ (cclass->sme_class.highlight)((Widget)entry);
+
+#ifndef OLDXAW
+ if (XtIsSubclass((Widget)entry, smeBSBObjectClass))
+ PopupSubMenu(smw);
+#endif
+ }
+}
+
+/*
+ * Function:
+ * Notify
+ *
+ * Parameters:
+ * w - simple menu widget
+ * event - event that caused this action
+ * params - not used
+ * num_params - ""
+ *
+ * Description:
+ * Notify user of current entry.
+ */
+/*ARGSUSED*/
+static void
+Notify(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ SmeObject entry;
+ SmeObjectClass cclass;
+
+ /* may be a propagated event from a sub menu, need to check it */
+ if (XtWindow(w) != event->xany.window)
+ return;
+ entry = GetEventEntry(w, event);
+ if (entry == NULL || !XtIsSensitive((Widget)entry))
+ return;
+
+ cclass = (SmeObjectClass) entry->object.widget_class;
+ (cclass->sme_class.notify)((Widget)entry);
+}
+
+/*
+ * Public Functions
+ */
+/*
+ * Function:
+ * XawSimpleMenuAddGlobalActions
+ *
+ * Arguments:
+ * app_con - appcontext
+ *
+ * Description:
+ * Adds the global actions to the simple menu widget.
+ */
+void
+XawSimpleMenuAddGlobalActions(XtAppContext app_con)
+{
+ XtInitializeWidgetClass(simpleMenuWidgetClass);
+ XmuCallInitializers(app_con);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuGetActiveEntry
+ *
+ * Parameters:
+ * w - smw widget
+ *
+ * Description:
+ * Gets the currently active (set) entry.
+ *
+ * Returns:
+ * The currently set entry or NULL if none is set
+ */
+Widget
+XawSimpleMenuGetActiveEntry(Widget w)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+
+ return ((Widget)smw->simple_menu.entry_set);
+}
+
+/*
+ * Function:
+ * XawSimpleMenuClearActiveEntry
+ *
+ * Parameters:
+ * w - smw widget
+ *
+ * Description:
+ * Unsets the currently active (set) entry.
+ */
+void
+XawSimpleMenuClearActiveEntry(Widget w)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+
+ smw->simple_menu.entry_set = NULL;
+}
+
+/*
+ * Private Functions
+ */
+/*
+ * Function:
+ * CreateLabel
+ *
+ * Parameters:
+ * w - smw widget
+ *
+ * Description:
+ * Creates the label object and makes sure it is the first child in
+ * in the list.
+ */
+static void
+CreateLabel(Widget w)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ Widget *child, *next_child;
+ int i;
+ Arg args[2];
+
+ if (smw->simple_menu.label_string == NULL ||
+ smw->simple_menu.label != NULL) {
+ XtAppWarning(XtWidgetToApplicationContext(w),
+ "Xaw Simple Menu Widget: label string is NULL or "
+ "label already exists, no label is being created.");
+ return;
+ }
+
+ XtSetArg(args[0], XtNlabel, smw->simple_menu.label_string);
+ XtSetArg(args[1], XtNjustify, XtJustifyCenter);
+ smw->simple_menu.label = (SmeObject)
+ XtCreateManagedWidget("menuLabel",
+ smw->simple_menu.label_class, w, args, TWO);
+
+ next_child = NULL;
+ for (child = smw->composite.children + smw->composite.num_children,
+ i = smw->composite.num_children; i > 0; i--, child--) {
+ if (next_child != NULL)
+ *next_child = *child;
+ next_child = child;
+ }
+ *child = (Widget)smw->simple_menu.label;
+}
+
+/*
+ * Function:
+ * Layout
+ *
+ * Arguments:
+ * w - See below
+ * width_ret - returned width
+ * height_ret - returned height
+ *
+ * Note:
+ * if width == NULL || height == NULL then it assumes the you do not care
+ * about the return values, and just want a relayout.
+ *
+ * if this is not the case then it will set width_ret and height_ret
+ * to be width and height that the child would get if it were layed out
+ * at this time.
+ *
+ * "w" can be the simple menu widget or any of its object children.
+ */
+static void
+Layout(Widget w, Dimension *width_ret, Dimension *height_ret)
+{
+ SmeObject current_entry;
+ SimpleMenuWidget smw;
+ Dimension width, height;
+ Boolean allow_change_size;
+ Widget kid;
+ Cardinal i, count, n;
+ int width_kid, height_kid, tmp_w, tmp_h;
+ short vadd, hadd, x_ins, y_ins;
+ Dimension *widths;
+
+ height = 0;
+
+ if (XtIsSubclass(w, simpleMenuWidgetClass)) {
+ smw = (SimpleMenuWidget)w;
+ current_entry = NULL;
+ }
+ else {
+ smw = (SimpleMenuWidget)XtParent(w);
+ current_entry = (SmeObject)w;
+ }
+
+ allow_change_size = (!XtIsRealized((Widget)smw)
+ || smw->shell.allow_shell_resize);
+
+ for (i = smw->simple_menu.label ? 1 : 0;
+ i < smw->composite.num_children;
+ i++) {
+ XtWidgetGeometry preferred;
+
+ kid = smw->composite.children[i];
+ if (!XtIsManaged(kid))
+ continue;
+ if (smw->simple_menu.row_height != 0)
+ XtHeight(kid) = smw->simple_menu.row_height;
+ XtQueryGeometry(kid, NULL, &preferred);
+ if (preferred.request_mode & CWWidth)
+ XtWidth(kid) = preferred.width;
+ }
+
+ if (smw->simple_menu.label
+ && XtIsManaged((Widget)smw->simple_menu.label)) {
+ XtWidgetGeometry preferred;
+
+ kid = (Widget)smw->simple_menu.label;
+ XtQueryGeometry(kid, NULL, &preferred);
+ if (preferred.request_mode & CWWidth)
+ XtWidth(kid) = preferred.width;
+ if (preferred.request_mode & CWHeight)
+ XtHeight(kid) = preferred.height;
+ }
+
+ /* reset */
+ if (!smw->simple_menu.menu_width)
+ XtWidth(smw) = 0;
+ if (!smw->simple_menu.menu_height)
+ XtHeight(smw) = 0;
+ if (!XtWidth(smw) || !XtHeight(smw))
+ MakeResizeRequest((Widget)smw);
+
+ widths = (Dimension *)XtMalloc(sizeof(Dimension));
+#ifndef OLDXAW
+ hadd = smw->simple_menu.left_margin;
+#else
+ hadd = 0;
+#endif
+ vadd = smw->simple_menu.top_margin;
+ if (smw->simple_menu.label)
+ vadd += XtHeight(smw->simple_menu.label);
+
+ count = 1;
+ width = tmp_w = tmp_h = n = 0;
+ height = vadd;
+
+ for (i = smw->simple_menu.label ? 1 : 0;
+ i < smw->composite.num_children;
+ i++) {
+ kid = smw->composite.children[i];
+ if (!XtIsManaged(kid))
+ continue;
+ width_kid = XtWidth(kid);
+ height_kid = XtHeight(kid);
+
+ if (n && (height + height_kid + smw->simple_menu.bottom_margin
+ > XtHeight(smw))) {
+ ++count;
+ widths = (Dimension *)XtRealloc((char *)widths,
+ sizeof(Dimension) * count);
+ widths[count - 1] = width_kid;
+ width += tmp_w;
+ tmp_w = width_kid;
+ height = height_kid + vadd;
+ }
+ else
+ height += height_kid;
+ if (height > tmp_h)
+ tmp_h = height;
+ if (width_kid > tmp_w)
+ widths[count - 1] = tmp_w = width_kid;
+ ++n;
+ }
+
+ height = tmp_h + smw->simple_menu.bottom_margin;
+ width += tmp_w;
+
+ if (smw->simple_menu.label && width < XtWidth(smw->simple_menu.label)) {
+ float inc;
+
+ inc = (XtWidth(smw->simple_menu.label) - width) / (float)count;
+ width = XtWidth(smw->simple_menu.label);
+ for (n = 0; n < count; n++)
+ widths[n] += inc;
+ }
+
+#ifndef OLDXAW
+ width += hadd + smw->simple_menu.right_margin;
+#endif
+
+ x_ins = n = count = 0;
+ tmp_w = widths[0];
+ tmp_h = vadd;
+
+ for (i = smw->simple_menu.label ? 1 : 0;
+ i < smw->composite.num_children;
+ i++) {
+ kid = smw->composite.children[i];
+ if (!XtIsManaged(kid))
+ continue;
+
+ height_kid = XtHeight(kid);
+
+ if (n && (tmp_h + height_kid + smw->simple_menu.bottom_margin
+ > XtHeight(smw))) {
+ x_ins = tmp_w;
+ y_ins = vadd;
+ ++count;
+ tmp_w += widths[count];
+ tmp_h = height_kid + vadd;
+ }
+ else {
+ y_ins = tmp_h;
+ tmp_h += height_kid;
+ }
+ ++n;
+
+ XtX(kid) = x_ins + hadd;
+ XtY(kid) = y_ins;
+ XtWidth(kid) = widths[count];
+ }
+
+ XtFree((char *)widths);
+
+ if (allow_change_size)
+ MakeSetValuesRequest((Widget) smw, width, height);
+
+ if (smw->simple_menu.label) {
+ XtX(smw->simple_menu.label) = 0;
+ XtY(smw->simple_menu.label) = smw->simple_menu.top_margin;
+ XtWidth(smw->simple_menu.label) = XtWidth(smw)
+#ifndef OLDXAW
+ - (smw->simple_menu.left_margin + smw->simple_menu.right_margin)
+#endif
+ ;
+ }
+ if (current_entry) {
+ if (width_ret)
+ *width_ret = XtWidth(current_entry);
+ if (height_ret)
+ *height_ret = XtHeight(current_entry);
+ }
+}
+
+/*
+ * Function:
+ * AddPositionAction
+ *
+ * Parameters:
+ * app_con - application context
+ * data - (not used)
+ *
+ * Description:
+ * Adds the XawPositionSimpleMenu action to the global
+ * action list for this appcon.
+ */
+/*ARGSUSED*/
+static void
+AddPositionAction(XtAppContext app_con, XPointer data)
+{
+ static XtActionsRec pos_action[] = {
+ {"XawPositionSimpleMenu", PositionMenuAction},
+ };
+
+ XtAppAddActions(app_con, pos_action, XtNumber(pos_action));
+}
+
+/*
+ * Function:
+ * FindMenu
+ *
+ * Parameters:
+ * widget - reference widget
+ * name - menu widget's name
+ *
+ * Description:
+ * Find the menu give a name and reference widget
+ *
+ * Returns:
+ * The menu widget or NULL.
+ */
+static Widget
+FindMenu(Widget widget, String name)
+{
+ Widget w, menu;
+
+ for (w = widget; w != NULL; w = XtParent(w))
+ if ((menu = XtNameToWidget(w, name)) != NULL)
+ return (menu);
+
+ return (NULL);
+}
+
+/*
+ * Function:
+ * PositionMenu
+ *
+ * Parameters:
+ * w - simple menu widget
+ * location - pointer the the position or NULL
+ *
+ * Description:
+ * Places the menu
+ */
+static void
+PositionMenu(Widget w, XPoint *location)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ SmeObject entry;
+ XPoint t_point;
+
+ if (location == NULL) {
+ Window temp1, temp2;
+ int root_x, root_y, tempX, tempY;
+ unsigned int tempM;
+
+ location = &t_point;
+ if (XQueryPointer(XtDisplay(w), XtWindow(w), &temp1, &temp2,
+ &root_x, &root_y, &tempX, &tempY, &tempM) == False) {
+ XtAppWarning(XtWidgetToApplicationContext(w),
+ "Xaw Simple Menu Widget: "
+ "Could not find location of mouse pointer");
+ return;
+ }
+ location->x = (short) root_x;
+ location->y = (short) root_y;
+ }
+
+ /*
+ * The width will not be correct unless it is realized
+ */
+ XtRealizeWidget(w);
+
+ location->x -= XtWidth(w) >> 1;
+
+ if (smw->simple_menu.popup_entry == NULL)
+ entry = smw->simple_menu.label;
+ else
+ entry = smw->simple_menu.popup_entry;
+
+ if (entry != NULL)
+ location->y -= XtY(entry) + (XtHeight(entry) >> 1);
+
+ MoveMenu(w, location->x, location->y);
+}
+
+/*
+ * Function:
+ * MoveMenu
+ *
+ * Parameters:
+ * w - simple menu widget
+ * x - current location of the widget
+ * y - ""
+ *
+ * Description:
+ * Actually moves the menu, may force it to
+ * to be fully visable if menu_on_screen is True.
+ */
+static void
+MoveMenu(Widget w, int x, int y)
+{
+ Arg arglist[2];
+ Cardinal num_args = 0;
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+
+ if (smw->simple_menu.menu_on_screen) {
+ int width = XtWidth(w) + (XtBorderWidth(w) << 1);
+ int height = XtHeight(w) + (XtBorderWidth(w) << 1);
+
+ if (x >= 0) {
+ int scr_width = WidthOfScreen(XtScreen(w));
+
+ if (x + width > scr_width)
+ x = scr_width - width;
+ }
+ if (x < 0)
+ x = 0;
+
+ if (y >= 0) {
+ int scr_height = HeightOfScreen(XtScreen(w));
+
+ if (y + height > scr_height)
+ y = scr_height - height;
+ }
+ if (y < 0)
+ y = 0;
+ }
+
+ XtSetArg(arglist[num_args], XtNx, x); num_args++;
+ XtSetArg(arglist[num_args], XtNy, y); num_args++;
+ XtSetValues(w, arglist, num_args);
+}
+
+/*
+ * Function:
+ * ChangeCursorOnGrab
+ *
+ * Parameters:
+ * w - menu widget
+ * temp1 - not used
+ * temp2 - ""
+ *
+ * Description:
+ * Changes the cursor on the active grab to the one
+ * specified in out resource list.
+ */
+/*ARGSUSED*/
+static void
+ChangeCursorOnGrab(Widget w, XtPointer temp1, XtPointer temp2)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+
+ /*
+ * The event mask here is what is currently in the MIT implementation.
+ * There really needs to be a way to get the value of the mask out
+ * of the toolkit (CDP 5/26/89).
+ */
+ XChangeActivePointerGrab(XtDisplay(w), ButtonPressMask | ButtonReleaseMask,
+ smw->simple_menu.cursor,
+ XtLastTimestampProcessed(XtDisplay(w)));
+}
+
+/*
+ * Function:
+ * MakeSetValuesRequest
+ *
+ * Parameters:
+ * w - simple menu widget
+ * width - size requested
+ * height - ""
+ */
+static void
+MakeSetValuesRequest(Widget w, unsigned int width, unsigned int height)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ Arg arglist[2];
+ Cardinal num_args = 0;
+
+ if (!smw->simple_menu.recursive_set_values) {
+ if (XtWidth(smw) != width || XtHeight(smw) != height) {
+ smw->simple_menu.recursive_set_values = True;
+ XtSetArg(arglist[num_args], XtNwidth, width); num_args++;
+ XtSetArg(arglist[num_args], XtNheight, height); num_args++;
+ XtSetValues(w, arglist, num_args);
+ }
+ else if (XtIsRealized((Widget)smw))
+ XawSimpleMenuRedisplay((Widget)smw, NULL, NULL);
+ }
+ smw->simple_menu.recursive_set_values = False;
+}
+
+static SmeObject
+DoGetEventEntry(Widget w, int x_loc, int y_loc)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ SmeObject *entry;
+
+ ForAllChildren(smw, entry) {
+ if (!XtIsManaged((Widget)*entry))
+ continue;
+
+ if (x_loc > XtX(*entry)
+ && x_loc <= XtX(*entry) + XtWidth(*entry)
+ && y_loc > XtY(*entry)
+ && y_loc <= XtY(*entry) + XtHeight(*entry)) {
+ if (*entry == smw->simple_menu.label)
+ return (NULL); /* cannot select the label */
+ else
+ return (*entry);
+ }
+ }
+
+ return (NULL);
+}
+
+/*
+ * Function:
+ * GetEventEntry
+ *
+ * Parameters:
+ * w - simple menu widget
+ * event - X event
+ *
+ * Description:
+ * Gets an entry given an event that has X and Y coords.
+ *
+ * Returns:
+ * The entry that this point is in
+ */
+static SmeObject
+GetEventEntry(Widget w, XEvent *event)
+{
+ int x_loc, y_loc, x_root;
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+ SmeObject entry;
+ int warp, move;
+
+ switch (event->type) {
+ case MotionNotify:
+ x_loc = event->xmotion.x;
+ y_loc = event->xmotion.y;
+ x_root = event->xmotion.x_root;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ x_loc = event->xcrossing.x;
+ y_loc = event->xcrossing.y;
+ x_root = event->xcrossing.x_root;
+ break;
+ case ButtonPress:
+ case ButtonRelease:
+ x_loc = event->xbutton.x;
+ y_loc = event->xbutton.y;
+ x_root = event->xbutton.x_root;
+ break;
+ default:
+ XtAppError(XtWidgetToApplicationContext(w),
+ "Unknown event type in GetEventEntry().");
+ return (NULL);
+ }
+
+ if (x_loc < 0 || x_loc >= XtWidth(smw) ||
+ y_loc < 0 || y_loc >= XtHeight(smw))
+ return (NULL);
+
+ /* Move the menu if it's outside the screen, does not check
+ * smw->simple_menu.menu_on_screen because menus is bigger than screen
+ */
+ if (x_root == WidthOfScreen(XtScreen(w)) - 1 &&
+ XtX(w) + XtWidth(w) + (XtBorderWidth(w)) > x_root) {
+ warp = -8;
+ if (smw->simple_menu.entry_set) {
+ entry = DoGetEventEntry(w,
+ XtX(smw->simple_menu.entry_set)
+ + XtWidth(smw->simple_menu.entry_set) + 1,
+ y_loc);
+ Unhighlight(w, event, NULL, NULL);
+ if (entry) {
+ warp = -(int)XtWidth(entry) >> 1;
+ move = x_loc - XtWidth(entry) - XtX(entry) + XtBorderWidth(w);
+ }
+ else {
+ warp = 0;
+ move = WidthOfScreen(XtScreen(w)) -
+ (XtX(w) + XtWidth(w) + (XtBorderWidth(w) << 1));
+ }
+ }
+ else {
+ warp = 0;
+ move = WidthOfScreen(XtScreen(w)) -
+ (XtX(w) + XtWidth(w) + (XtBorderWidth(w) << 1));
+ }
+ }
+ else if (x_root == 0 && XtX(w) < 0) {
+ warp = 8;
+ if (smw->simple_menu.entry_set) {
+ entry = DoGetEventEntry(w, XtX(smw->simple_menu.entry_set) - 1,
+ y_loc);
+ Unhighlight(w, event, NULL, NULL);
+ if (entry) {
+ warp = XtWidth(entry) >> 1;
+ move = x_loc - XtX(entry);
+ }
+ else
+ move = x_loc + XtBorderWidth(w);
+ }
+ else
+ move = x_loc + XtBorderWidth(w);
+ }
+ else
+ move = warp = 0;
+
+ if (move)
+ XtMoveWidget(w, XtX(w) + move, XtY(w));
+ if (warp)
+ XWarpPointer(XtDisplay(w), None, None, 0, 0, 0, 0, warp, 0);
+
+ return (DoGetEventEntry(w, x_loc, y_loc));
+}
+
+static void
+CalculateNewSize(Widget w, Dimension *width_return, Dimension *height_return)
+{
+ SimpleMenuWidget xaw = (SimpleMenuWidget)w;
+ Widget kid;
+ Cardinal i;
+ int width_kid, height_kid;
+ int width, height, tmp_w, tmp_h, max_dim;
+ short vadd, hadd;
+ int n, columns, test_h, num_children = 0;
+ Boolean try_layout = False;
+
+#ifndef OLDXAW
+ hadd = xaw->simple_menu.left_margin + xaw->simple_menu.right_margin;
+#else
+ hadd = 0;
+#endif
+ vadd = xaw->simple_menu.top_margin + xaw->simple_menu.bottom_margin;
+ if (xaw->simple_menu.label)
+ vadd += XtHeight(xaw->simple_menu.label);
+
+ if (*height_return)
+ max_dim = *height_return;
+ else if (!XtHeight(w)) {
+ max_dim = HeightOfScreen(XtScreen(w));
+ try_layout = True;
+ }
+ else
+ max_dim = XtHeight(w);
+ max_dim -= vadd;
+
+ width = height = tmp_w = tmp_h = n = test_h = 0;
+ columns = 1;
+ for (i = xaw->simple_menu.label ? 1 : 0;
+ i < xaw->composite.num_children;
+ i++) {
+ kid = xaw->composite.children[i];
+ if (!XtIsManaged(kid))
+ continue;
+ ++num_children;
+ width_kid = XtWidth(kid);
+ height_kid = XtHeight(kid);
+
+ if (try_layout) {
+ if (!test_h)
+ test_h = height_kid;
+ else if (test_h != height_kid)
+ try_layout = False;
+ }
+
+ if (n && (height + height_kid > max_dim)) {
+ ++columns;
+ width += tmp_w;
+ tmp_w = width_kid;
+ height = height_kid;
+ }
+ else
+ height += height_kid;
+ if (height > tmp_h)
+ tmp_h = height;
+ if (width_kid > tmp_w)
+ tmp_w = width_kid;
+ ++n;
+ }
+
+ height = tmp_h + vadd;
+ width += tmp_w + hadd;
+
+ if (xaw->simple_menu.label)
+ width = XawMax(width, XtWidth(xaw->simple_menu.label) + hadd);
+
+ *width_return = width;
+ *height_return = height;
+
+ if (try_layout && columns > 1 && num_children > 2) {
+ int space;
+
+ height = test_h * (xaw->simple_menu.label ?
+ num_children - 1 :
+ num_children);
+
+ max_dim -= max_dim % test_h;
+ space = max_dim - (height % max_dim);
+ if (space >= test_h * columns) {
+ height = max_dim - space / columns;
+ if (height % test_h)
+ height += test_h - (height % test_h);
+ *height_return = height + vadd;
+ CalculateNewSize(w, width_return, height_return);
+ }
+ }
+}
+
+static void
+MakeResizeRequest(Widget w)
+{
+ int tries;
+ Dimension width, height;
+
+ width = XtWidth(w);
+ height = XtHeight(w);
+
+ for (tries = 0; tries < 100; tries++) {
+ CalculateNewSize(w, &width, &height);
+ if (width == XtWidth(w) && height == XtHeight(w))
+ break;
+ if (XtMakeResizeRequest(w, width, height, &width, &height) ==
+ XtGeometryNo)
+ break;
+ }
+}
+
+#ifndef OLDXAW
+static void
+Popdown(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+
+ while (XtParent(w) &&
+ XtIsSubclass(XtParent(w), simpleMenuWidgetClass)) {
+ if (((SimpleMenuWidget)XtParent(w))->simple_menu.sub_menu == (Widget)w) {
+ w = XtParent(w);
+ smw = (SimpleMenuWidget)w;
+ smw->simple_menu.entry_set = NULL;
+ }
+ else
+ break;
+ }
+
+ smw->simple_menu.state |= SMW_UNMAPPING;
+ if (smw->simple_menu.sub_menu)
+ PopdownSubMenu(smw);
+ XtCallActionProc(w, "XtMenuPopdown", event, params, *num_params);
+}
+
+static void
+PopupSubMenu(SimpleMenuWidget smw)
+{
+ Arg args[2];
+ Cardinal num_args;
+ Widget menu;
+ SmeBSBObject entry = (SmeBSBObject)smw->simple_menu.entry_set;
+ Position menu_x, menu_y;
+ Bool popleft;
+
+ if (entry->sme_bsb.menu_name == NULL)
+ return;
+
+ if ((menu = FindMenu((Widget)smw, entry->sme_bsb.menu_name)) == NULL)
+ return;
+
+ smw->simple_menu.sub_menu = menu;
+
+ if (!XtIsRealized(menu))
+ XtRealizeWidget(menu);
+
+ popleft = (smw->simple_menu.state & SMW_POPLEFT) != 0;
+
+ if (popleft)
+ XtTranslateCoords((Widget)smw, -(int)XtWidth(menu),
+ XtY(entry) - XtBorderWidth(menu), &menu_x, &menu_y);
+ else
+ XtTranslateCoords((Widget)smw, XtWidth(smw), XtY(entry)
+ - XtBorderWidth(menu), &menu_x, &menu_y);
+
+ if (!popleft && menu_x >= 0) {
+ int scr_width = WidthOfScreen(XtScreen(menu));
+
+ if (menu_x + XtWidth(menu) > scr_width) {
+ menu_x -= XtWidth(menu) + XtWidth(smw);
+ popleft = True;
+ }
+ }
+ else if (popleft && menu_x < 0) {
+ menu_x = 0;
+ popleft = False;
+ }
+ if (menu_y >= 0) {
+ int scr_height = HeightOfScreen(XtScreen(menu));
+
+ if (menu_y + XtHeight(menu) > scr_height)
+ menu_y = scr_height - XtHeight(menu) - XtBorderWidth(menu);
+ }
+ if (menu_y < 0)
+ menu_y = 0;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNx, menu_x); num_args++;
+ XtSetArg(args[num_args], XtNy, menu_y); num_args++;
+ XtSetValues(menu, args, num_args);
+
+ if (popleft)
+ ((SimpleMenuWidget)menu)->simple_menu.state |= SMW_POPLEFT;
+ else
+ ((SimpleMenuWidget)menu)->simple_menu.state &= ~SMW_POPLEFT;
+
+ XtPopup(menu, XtGrabNone);
+}
+
+static void
+PopdownSubMenu(SimpleMenuWidget smw)
+{
+ SimpleMenuWidget menu = (SimpleMenuWidget)smw->simple_menu.sub_menu;
+
+ if (!menu)
+ return;
+
+ menu->simple_menu.state |= SMW_UNMAPPING;
+ PopdownSubMenu(menu);
+
+ XtPopdown((Widget)menu);
+
+ smw->simple_menu.sub_menu = NULL;
+}
+
+/*ARGSUSED*/
+static void
+PopupCB(Widget w, XtPointer client_data, XtPointer call_data)
+{
+ SimpleMenuWidget smw = (SimpleMenuWidget)w;
+
+ smw->simple_menu.state &= ~(SMW_UNMAPPING | SMW_POPLEFT);
+}
+#endif /* OLDXAW */
diff --git a/libXaw/src/Sme.c b/libXaw/src/Sme.c index b01a81c6c..462353b56 100644 --- a/libXaw/src/Sme.c +++ b/libXaw/src/Sme.c @@ -1,269 +1,269 @@ -/* -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - */ - -/* - * Date: September 26, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/SmeP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void Highlight(Widget); -static void Notify(Widget); -static void Unhighlight(Widget); -static void XawSmeClassPartInitialize(WidgetClass); -static void XawSmeInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawSmeQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(SmeRec, sme.field) -static XtResource resources[] = { - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(callbacks), - XtRCallback, - NULL - }, - { - XtNinternational, - XtCInternational, - XtRBoolean, - sizeof(Boolean), - offset(international), - XtRImmediate, - (XtPointer)False - }, -}; -#undef offset - -#define Superclass (&rectObjClassRec) -SmeClassRec smeClassRec = { - /* rectangle */ - { - (WidgetClass)Superclass, /* superclass */ - "Sme", /* class_name */ - sizeof(SmeRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - XawSmeClassPartInitialize, /* class_part_initialize */ - False, /* class_initialized */ - XawSmeInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - False, /* compress_exposure */ - False, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - NULL, /* resize */ - NULL, /* expose */ - NULL, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* intrinsics_version */ - NULL, /* callback offsets */ - NULL, /* tm_table */ - XawSmeQueryGeometry, /* query_geometry */ - NULL, /* display_accelerator */ - NULL, /* extension */ - }, - /* sme */ - { - Highlight, /* highlight */ - Unhighlight, /* unhighlight */ - Notify, /* notify */ - NULL, /* extension */ - } -}; - -WidgetClass smeObjectClass = (WidgetClass)&smeClassRec; - -/* - * Implementation - */ -/* - * Function: - * XawSmeClassPartInitialize - * - * Parameters: - * cclass - widget classs of this widget - * - * Description: - * Handles inheritance of class functions. - */ -static void -XawSmeClassPartInitialize(WidgetClass cclass) -{ - SmeObjectClass m_ent, superC; - - m_ent = (SmeObjectClass)cclass; - superC = (SmeObjectClass)m_ent->rect_class.superclass; - - if (m_ent->sme_class.highlight == XtInheritHighlight) - m_ent->sme_class.highlight = superC->sme_class.highlight; - - if (m_ent->sme_class.unhighlight == XtInheritUnhighlight) - m_ent->sme_class.unhighlight = superC->sme_class.unhighlight; - - if (m_ent->sme_class.notify == XtInheritNotify) - m_ent->sme_class.notify = superC->sme_class.notify; -} - -/* - * Function: - * XawSmeInitialize - * - * Parameters: - * request - widget requested by the argument list - * cnew - new widget with both resource and non resource values - * - * Description: - * Initializes the simple menu widget entry - */ -/*ARGSUSED*/ -static void -XawSmeInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SmeObject entry = (SmeObject)cnew; - - entry->rectangle.border_width = 0; -} - -/* - * Function: - * Highlight - * - * Parameters: - * w - menu entry - * - * Description: - * Default highlight proceedure for menu entries. - */ -/*ARGSUSED*/ -static void -Highlight(Widget w) -{ -} - -/* - * Function: - * Unhighlight - * - * Parameters: - * w - menu entry - * - * Description: - * Default unhighlight proceedure for menu entries. - */ -/*ARGSUSED*/ -static void -Unhighlight(Widget w) -{ -} - -/* - * Function: - * Notify - * - * Parameters: - * w - menu entry - * - * Description: - * Calls the callback proceedures for this entry. - */ -static void -Notify(Widget w) -{ - XtCallCallbacks(w, XtNcallback, NULL); -} - -/* - * Function: - * QueryGeometry - * - * Parameeters: - * w - menu entry object - * itended - intended and return geometry info - * return_val - - * - * Description: - * Returns the preferred geometry for this widget. - * - * Returns: - * Geometry Result - * - * Note: - * See the Intrinsics manual for details on what this function is for. - */ -static XtGeometryResult -XawSmeQueryGeometry(Widget w, XtWidgetGeometry *intended, - XtWidgetGeometry *return_val) -{ - SmeObject entry = (SmeObject)w; - Dimension width; - XtGeometryResult ret_val = XtGeometryYes; - XtGeometryMask mode = intended->request_mode; - - width = 1; - - if (((mode & CWWidth) && intended->width != width) || !(mode & CWWidth)) { - return_val->request_mode |= CWWidth; - return_val->width = width; - mode = return_val->request_mode; - - if ((mode & CWWidth) && width == XtWidth(entry)) - return (XtGeometryNo); - return (XtGeometryAlmost); - } - - return (ret_val); -} +/*
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ */
+
+/*
+ * Date: September 26, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/SmeP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void Highlight(Widget);
+static void Notify(Widget);
+static void Unhighlight(Widget);
+static void XawSmeClassPartInitialize(WidgetClass);
+static void XawSmeInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawSmeQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(SmeRec, sme.field)
+static XtResource resources[] = {
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(callbacks),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNinternational,
+ XtCInternational,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(international),
+ XtRImmediate,
+ (XtPointer)False
+ },
+};
+#undef offset
+
+#define Superclass (&rectObjClassRec)
+SmeClassRec smeClassRec = {
+ /* rectangle */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Sme", /* class_name */
+ sizeof(SmeRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ XawSmeClassPartInitialize, /* class_part_initialize */
+ False, /* class_initialized */
+ XawSmeInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ False, /* compress_exposure */
+ False, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ NULL, /* resize */
+ NULL, /* expose */
+ NULL, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* intrinsics_version */
+ NULL, /* callback offsets */
+ NULL, /* tm_table */
+ XawSmeQueryGeometry, /* query_geometry */
+ NULL, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* sme */
+ {
+ Highlight, /* highlight */
+ Unhighlight, /* unhighlight */
+ Notify, /* notify */
+ NULL, /* extension */
+ }
+};
+
+WidgetClass smeObjectClass = (WidgetClass)&smeClassRec;
+
+/*
+ * Implementation
+ */
+/*
+ * Function:
+ * XawSmeClassPartInitialize
+ *
+ * Parameters:
+ * cclass - widget classs of this widget
+ *
+ * Description:
+ * Handles inheritance of class functions.
+ */
+static void
+XawSmeClassPartInitialize(WidgetClass cclass)
+{
+ SmeObjectClass m_ent, superC;
+
+ m_ent = (SmeObjectClass)cclass;
+ superC = (SmeObjectClass)m_ent->rect_class.superclass;
+
+ if (m_ent->sme_class.highlight == XtInheritHighlight)
+ m_ent->sme_class.highlight = superC->sme_class.highlight;
+
+ if (m_ent->sme_class.unhighlight == XtInheritUnhighlight)
+ m_ent->sme_class.unhighlight = superC->sme_class.unhighlight;
+
+ if (m_ent->sme_class.notify == XtInheritNotify)
+ m_ent->sme_class.notify = superC->sme_class.notify;
+}
+
+/*
+ * Function:
+ * XawSmeInitialize
+ *
+ * Parameters:
+ * request - widget requested by the argument list
+ * cnew - new widget with both resource and non resource values
+ *
+ * Description:
+ * Initializes the simple menu widget entry
+ */
+/*ARGSUSED*/
+static void
+XawSmeInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SmeObject entry = (SmeObject)cnew;
+
+ entry->rectangle.border_width = 0;
+}
+
+/*
+ * Function:
+ * Highlight
+ *
+ * Parameters:
+ * w - menu entry
+ *
+ * Description:
+ * Default highlight proceedure for menu entries.
+ */
+/*ARGSUSED*/
+static void
+Highlight(Widget w)
+{
+}
+
+/*
+ * Function:
+ * Unhighlight
+ *
+ * Parameters:
+ * w - menu entry
+ *
+ * Description:
+ * Default unhighlight proceedure for menu entries.
+ */
+/*ARGSUSED*/
+static void
+Unhighlight(Widget w)
+{
+}
+
+/*
+ * Function:
+ * Notify
+ *
+ * Parameters:
+ * w - menu entry
+ *
+ * Description:
+ * Calls the callback proceedures for this entry.
+ */
+static void
+Notify(Widget w)
+{
+ XtCallCallbacks(w, XtNcallback, NULL);
+}
+
+/*
+ * Function:
+ * QueryGeometry
+ *
+ * Parameeters:
+ * w - menu entry object
+ * itended - intended and return geometry info
+ * return_val -
+ *
+ * Description:
+ * Returns the preferred geometry for this widget.
+ *
+ * Returns:
+ * Geometry Result
+ *
+ * Note:
+ * See the Intrinsics manual for details on what this function is for.
+ */
+static XtGeometryResult
+XawSmeQueryGeometry(Widget w, XtWidgetGeometry *intended,
+ XtWidgetGeometry *return_val)
+{
+ SmeObject entry = (SmeObject)w;
+ Dimension width;
+ XtGeometryResult ret_val = XtGeometryYes;
+ XtGeometryMask mode = intended->request_mode;
+
+ width = 1;
+
+ if (((mode & CWWidth) && intended->width != width) || !(mode & CWWidth)) {
+ return_val->request_mode |= CWWidth;
+ return_val->width = width;
+ mode = return_val->request_mode;
+
+ if ((mode & CWWidth) && width == XtWidth(entry))
+ return (XtGeometryNo);
+ return (XtGeometryAlmost);
+ }
+
+ return (ret_val);
+}
diff --git a/libXaw/src/SmeBSB.c b/libXaw/src/SmeBSB.c index b56874b3c..1941edff1 100644 --- a/libXaw/src/SmeBSB.c +++ b/libXaw/src/SmeBSB.c @@ -1,770 +1,770 @@ -/* -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - */ - -/* - * SmeBSB.c - Source code file for BSB Menu Entry object. - * - * Date: September 26, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xmu/Drawing.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/SimpleMenu.h> -#include <X11/Xaw/SmeBSBP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define ONE_HUNDRED 100 - -/* - * Class Methods - */ -static void FlipColors(Widget); -static void XawSmeBSBClassInitialize(void); -static void XawSmeBSBInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawSmeBSBDestroy(Widget); -static XtGeometryResult XawSmeBSBQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawSmeBSBRedisplay(Widget, XEvent*, Region); -static Boolean XawSmeBSBSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void CreateGCs(Widget); -static void GetBitmapInfo(Widget, Bool); -static void GetDefaultSize(Widget, Dimension*, Dimension*); -static void DestroyGCs(Widget); -static void DrawBitmaps(Widget, GC); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(SmeBSBRec, sme_bsb.field) -static XtResource resources[] = { - { - XtNlabel, - XtCLabel, - XtRString, - sizeof(String), - offset(label), - XtRString, - NULL - }, - { - XtNvertSpace, - XtCVertSpace, - XtRInt, - sizeof(int), - offset(vert_space), - XtRImmediate, - (XtPointer)25 - }, - { - XtNleftBitmap, - XtCLeftBitmap, - XtRBitmap, - sizeof(Pixmap), - offset(left_bitmap), - XtRImmediate, - (XtPointer)None - }, - { - XtNjustify, - XtCJustify, - XtRJustify, - sizeof(XtJustify), - offset(justify), - XtRImmediate, - (XtPointer)XtJustifyLeft - }, - { - XtNrightBitmap, - XtCRightBitmap, - XtRBitmap, - sizeof(Pixmap), - offset(right_bitmap), - XtRImmediate, - (XtPointer)None - }, - { - XtNleftMargin, - XtCHorizontalMargins, - XtRDimension, - sizeof(Dimension), - offset(left_margin), - XtRImmediate, - (XtPointer)4 - }, - { - XtNrightMargin, - XtCHorizontalMargins, - XtRDimension, - sizeof(Dimension), - offset(right_margin), - XtRImmediate, - (XtPointer)4 - }, - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(foreground), - XtRString, - XtDefaultForeground - }, - { - XtNfont, - XtCFont, - XtRFontStruct, - sizeof(XFontStruct*), - offset(font), - XtRString, - XtDefaultFont - }, - { - XtNfontSet, - XtCFontSet, - XtRFontSet, - sizeof(XFontSet), - offset(fontset), - XtRString, - XtDefaultFontSet - }, -#ifndef OLDXAW - { - XtNmenuName, - XtCMenuName, - XtRString, - sizeof(String), - offset(menu_name), - XtRImmediate, - (XtPointer)NULL - }, -#endif -}; -#undef offset - -#define superclass (&smeClassRec) -SmeBSBClassRec smeBSBClassRec = { - /* rectangle */ - { - (WidgetClass)superclass, /* superclass */ - "SmeBSB", /* class_name */ - sizeof(SmeBSBRec), /* size */ - XawSmeBSBClassInitialize, /* class_init */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawSmeBSBInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - False, /* compress_exposure */ - False, /* compress_enterleave */ - False, /* visible_interest */ - XawSmeBSBDestroy, /* destroy */ - NULL, /* resize */ - XawSmeBSBRedisplay, /* expose */ - XawSmeBSBSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* intrinsics version */ - NULL, /* callback offsets */ - NULL, /* tm_table */ - XawSmeBSBQueryGeometry, /* query_geometry */ - NULL, /* display_accelerator */ - NULL, /* extension */ - }, - /* sme */ - { - FlipColors, /* highlight */ - FlipColors, /* unhighlight */ - XtInheritNotify, /* notify */ - NULL, /* extension */ - }, - /* sme_bsb */ - { - NULL, /* extension */ - }, -}; -WidgetClass smeBSBObjectClass = (WidgetClass)&smeBSBClassRec; - -/* - * Function: - * XawSmeBSBClassInitialize - * - * Description: - * Initializes the SmeBSBObject. - */ -static void -XawSmeBSBClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0); - XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString, - NULL, 0, XtCacheNone, NULL); -} - -/* - * Function: - * XawSmeBSBInitialize - * - * Parameters: - * request - widget requested by the argument list - * cnew - new widget with both resource and non resource values - * - * Description: - * Initializes the simple menu widget entry. - */ -/*ARGSUSED*/ -static void -XawSmeBSBInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SmeBSBObject entry = (SmeBSBObject)cnew; - - if (!entry->sme_bsb.font) XtError("Aborting: no font found\n"); - - if (entry->sme_bsb.label == NULL) - entry->sme_bsb.label = XtName(cnew); - else - entry->sme_bsb.label = XtNewString(entry->sme_bsb.label); - - GetDefaultSize(cnew, &entry->rectangle.width, &entry->rectangle.height); - CreateGCs(cnew); - - entry->sme_bsb.left_bitmap_width = entry->sme_bsb.left_bitmap_height = 0; - entry->sme_bsb.right_bitmap_width = entry->sme_bsb.right_bitmap_height = 0; - - GetBitmapInfo(cnew, True); /* Left Bitmap Info */ - GetBitmapInfo(cnew, False); /* Right Bitmap Info */ -} - -/* - * Function: - * XawSmeBSBDestroy - * - * Parameters: - * w - simple menu widget entry - */ -static void -XawSmeBSBDestroy(Widget w) -{ - SmeBSBObject entry = (SmeBSBObject)w; - - DestroyGCs(w); - if (entry->sme_bsb.label != XtName(w)) - XtFree(entry->sme_bsb.label); -} - -/* - * Function: - * XawSmeBSBRedisplay - * - * Parameters: - * w - simple menu widget entry - * event - X event that caused this redisplay - * region - region the needs to be repainted - * - * Description: - * Redisplays the contents of the widget. - */ -/* ARGSUSED */ -static void -XawSmeBSBRedisplay(Widget w, XEvent *event, Region region) -{ - GC gc; - SmeBSBObject entry = (SmeBSBObject)w; - int font_ascent, font_descent, y_loc; - int fontset_ascent, fontset_descent; - XFontSetExtents *ext = XExtentsOfFontSet(entry->sme_bsb.fontset); - - font_ascent = font_descent = fontset_ascent = fontset_descent = 0; - entry->sme_bsb.set_values_area_cleared = False; - - if (entry->sme.international == True) { - fontset_ascent = XawAbs(ext->max_ink_extent.y); - fontset_descent = ext->max_ink_extent.height - fontset_ascent; - } - else { - font_ascent = entry->sme_bsb.font->max_bounds.ascent; - font_descent = entry->sme_bsb.font->max_bounds.descent; - } - y_loc = XtY(entry); - - if (XtIsSensitive(w) && XtIsSensitive(XtParent(w))) { - if (w == XawSimpleMenuGetActiveEntry(XtParent(w))) { - XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), - entry->sme_bsb.norm_gc, XtX(w), y_loc, - XtWidth(entry), XtHeight(entry)); - gc = entry->sme_bsb.rev_gc; - } - else - gc = entry->sme_bsb.norm_gc; - } - else - gc = entry->sme_bsb.norm_gray_gc; - - if (entry->sme_bsb.label != NULL) { - int x_loc = entry->sme_bsb.left_margin; - int len = strlen(entry->sme_bsb.label); - char *label = entry->sme_bsb.label; - int width, t_width; - - switch(entry->sme_bsb.justify) { - case XtJustifyCenter: - if (entry->sme.international == True) { - t_width = XmbTextEscapement(entry->sme_bsb.fontset,label, - len); - width = XtWidth(entry) - (entry->sme_bsb.left_margin + - entry->sme_bsb.right_margin); - } - else { - t_width = XTextWidth(entry->sme_bsb.font, label, len); - width = XtWidth(entry) - (entry->sme_bsb.left_margin + - entry->sme_bsb.right_margin); - } - x_loc += (width - t_width) >> 1; - break; - case XtJustifyRight: - if (entry->sme.international == True) { - t_width = XmbTextEscapement(entry->sme_bsb.fontset,label, - len); - x_loc = XtWidth(entry) - (entry->sme_bsb.right_margin + - t_width); - } - else { - t_width = XTextWidth(entry->sme_bsb.font, label, len); - x_loc = XtWidth(entry) - (entry->sme_bsb.right_margin + - t_width); - } - break; - case XtJustifyLeft: - /*FALLTHROUGH*/ - default: - break; - } - - /* this will center the text in the gadget top-to-bottom */ - if (entry->sme.international == True) { - y_loc += ((XtHeight(entry) - - (fontset_ascent + fontset_descent)) >> 1) + - fontset_ascent; - - XmbDrawString(XtDisplayOfObject(w), XtWindowOfObject(w), - entry->sme_bsb.fontset, gc, - XtX(w) + x_loc, y_loc, label, len); - } - else { - y_loc += ((XtHeight(entry) - - (font_ascent + font_descent)) >> 1) + font_ascent; - - XDrawString(XtDisplayOfObject(w), XtWindowOfObject(w), gc, - XtX(w) + x_loc, y_loc, label, len); - } - } - - DrawBitmaps(w, gc); -} - - -/* - * Function: - * XawSmeBSBSetValues - * - * Parameters: - * current - current state of the widget - * request - what was requested - * cnew - what the widget will become - * - * Description: - * Relayout the menu when one of the resources is changed. - */ - -/*ARGSUSED*/ -static Boolean -XawSmeBSBSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SmeBSBObject entry = (SmeBSBObject)cnew; - SmeBSBObject old_entry = (SmeBSBObject)current; - Boolean ret_val = False; - - if (old_entry->sme_bsb.label != entry->sme_bsb.label) { - if (old_entry->sme_bsb.label != XtName(cnew)) - XtFree((char *)old_entry->sme_bsb.label); - - if (entry->sme_bsb.label != XtName(cnew)) - entry->sme_bsb.label = XtNewString(entry->sme_bsb.label); - - ret_val = True; - } - - if (entry->rectangle.sensitive != old_entry->rectangle.sensitive) - ret_val = True; - - if (entry->sme_bsb.left_bitmap != old_entry->sme_bsb.left_bitmap) { - GetBitmapInfo(cnew, True); - ret_val = True; - } - - if (entry->sme_bsb.right_bitmap != old_entry->sme_bsb.right_bitmap) { - GetBitmapInfo(cnew, False); - ret_val = True; - } - - if ((old_entry->sme_bsb.font != entry->sme_bsb.font - && old_entry->sme.international == False) - || old_entry->sme_bsb.foreground != entry->sme_bsb.foreground) { - DestroyGCs(current); - CreateGCs(cnew); - ret_val = True; - } - - if (old_entry->sme_bsb.fontset != entry->sme_bsb.fontset && - old_entry->sme.international == True) - /* DONT changes the GCs, because the fontset is not in them */ - ret_val = True; - - if (ret_val) { - Dimension width, height; - - GetDefaultSize(cnew, &width, &height); - entry->sme_bsb.set_values_area_cleared = True; - XtMakeResizeRequest(cnew, width, height, NULL, NULL); - } - - return (ret_val); -} - -/* - * Function: - * XawSmeBSBQueryGeometry - * - * Parameters: - * w - menu entry object - * itended - intended and return geometry info - * return_val - "" - * - * Returns: - * Geometry Result - * - * Description: - * Returns the preferred geometry for this widget. - * See the Intrinsics manual for details on what this function is for. - */ -static XtGeometryResult -XawSmeBSBQueryGeometry(Widget w, XtWidgetGeometry *intended, - XtWidgetGeometry *return_val) -{ - SmeBSBObject entry = (SmeBSBObject)w; - Dimension width, height; - XtGeometryResult ret_val = XtGeometryYes; - XtGeometryMask mode = intended->request_mode; - - GetDefaultSize(w, &width, &height); - - if (((mode & CWWidth) && intended->width != width) || !(mode & CWWidth)) { - return_val->request_mode |= CWWidth; - return_val->width = width; - ret_val = XtGeometryAlmost; - } - - if (((mode & CWHeight) && intended->height != height) || !(mode & CWHeight)) { - return_val->request_mode |= CWHeight; - return_val->height = height; - ret_val = XtGeometryAlmost; - } - - if (ret_val == XtGeometryAlmost) { - mode = return_val->request_mode; - if (((mode & CWWidth) && width == XtWidth(entry)) && - ((mode & CWHeight) && height == XtHeight(entry))) - return (XtGeometryNo); - } - - return (ret_val); -} - -/* - * Function: - * FlipColors - * - * Parameters: - * w - bsb menu entry widget - * - * Description: - * Invert the colors of the current entry. - */ -static void -FlipColors(Widget w) -{ - SmeBSBObject entry = (SmeBSBObject)w; - - if (entry->sme_bsb.set_values_area_cleared) - return; - - XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), - entry->sme_bsb.invert_gc, - XtX(w), XtY(entry), XtWidth(entry), XtHeight(entry)); -} - -/* - * Function: - * GetDefaultSize - * - * Parameters: - * w - menu entry widget. - * width - default width (return) - * height - default height (return) - * - * Description: - * Calculates the Default (preferred) size of this menu entry. - */ -static void -GetDefaultSize(Widget w, Dimension *width, Dimension *height) -{ - SmeBSBObject entry = (SmeBSBObject)w; - - if (entry->sme.international == True) { - XFontSetExtents *ext = XExtentsOfFontSet(entry->sme_bsb.fontset); - - if (entry->sme_bsb.label == NULL) - *width = 0; - else - *width = XmbTextEscapement(entry->sme_bsb.fontset, - entry->sme_bsb.label, - strlen(entry->sme_bsb.label)); - *width += entry->sme_bsb.left_margin + entry->sme_bsb.right_margin; - *height = ext->max_ink_extent.height; - *height = ((int)*height * (ONE_HUNDRED + - entry->sme_bsb.vert_space)) / ONE_HUNDRED; - } - else { - if (entry->sme_bsb.label == NULL) - *width = 0; - else - *width = XTextWidth(entry->sme_bsb.font, entry->sme_bsb.label, - strlen(entry->sme_bsb.label)); - - *width += entry->sme_bsb.left_margin + entry->sme_bsb.right_margin; - - *height = entry->sme_bsb.font->max_bounds.ascent + - entry->sme_bsb.font->max_bounds.descent; - - *height = ((int)*height * (ONE_HUNDRED + - entry->sme_bsb.vert_space)) / ONE_HUNDRED; - } -} - -/* - * Function: - * DrawBitmaps - * - * Parameters: - * w - simple menu widget entry - * gc - graphics context to use for drawing - * - * Description: - * Draws left and right bitmaps. - */ -static void -DrawBitmaps(Widget w, GC gc) -{ - int x_loc, y_loc; - SmeBSBObject entry = (SmeBSBObject)w; - - if (entry->sme_bsb.left_bitmap == None && - entry->sme_bsb.right_bitmap == None) - return; - - /* - * Draw Left Bitmap - */ - if (entry->sme_bsb.left_bitmap != None) { - x_loc = ((entry->sme_bsb.left_margin - - entry->sme_bsb.left_bitmap_width) >> 1) + XtX(w); - - y_loc = XtY(entry) + ((XtHeight(entry) - - entry->sme_bsb.left_bitmap_height) >> 1); - - XCopyPlane(XtDisplayOfObject(w), entry->sme_bsb.left_bitmap, - XtWindowOfObject(w), gc, 0, 0, - entry->sme_bsb.left_bitmap_width, - entry->sme_bsb.left_bitmap_height, x_loc, y_loc, 1); - } - - /* - * Draw Right Bitmap - */ - if (entry->sme_bsb.right_bitmap != None) { - x_loc = XtWidth(entry) - ((entry->sme_bsb.right_margin + - entry->sme_bsb.right_bitmap_width) >> 1) + - XtX(w); - y_loc = XtY(entry) + ((XtHeight(entry) - - entry->sme_bsb.right_bitmap_height) >> 1); - - XCopyPlane(XtDisplayOfObject(w), entry->sme_bsb.right_bitmap, - XtWindowOfObject(w), gc, 0, 0, - entry->sme_bsb.right_bitmap_width, - entry->sme_bsb.right_bitmap_height, x_loc, y_loc, 1); - } -} - -/* - * Function: - * GetBitmapInfo - * - * Parameters: - * w - bsb menu entry object - * is_left - True: if we are testing left bitmap - * False: if we are testing the right bitmap - * - * Description: - * Gets the bitmap information from either of the bitmaps. - */ -static void -GetBitmapInfo(Widget w, Bool is_left) -{ - SmeBSBObject entry = (SmeBSBObject)w; - unsigned int depth, bw; - Window root; - int x, y; - unsigned int width, height; - - if (is_left) { - if (entry->sme_bsb.left_bitmap != None && - XGetGeometry(XtDisplayOfObject(w), - entry->sme_bsb.left_bitmap, &root, - &x, &y, &width, &height, &bw, &depth)) { - entry->sme_bsb.left_bitmap_width = width; - entry->sme_bsb.left_bitmap_height = height; - } - } - else if (entry->sme_bsb.right_bitmap != None && - XGetGeometry(XtDisplayOfObject(w), - entry->sme_bsb.right_bitmap, &root, - &x, &y, &width, &height, &bw, &depth)) { - entry->sme_bsb.right_bitmap_width = width; - entry->sme_bsb.right_bitmap_height = height; - } -} - -/* - * Function: - * CreateGCs - * - * Parameters: - * w - simple menu widget entry - * - * Description: - * Creates all gc's for the simple menu widget. - */ -static void -CreateGCs(Widget w) -{ - SmeBSBObject entry = (SmeBSBObject)w; - XGCValues values; - XtGCMask mask, mask_i18n; - - values.foreground = XtParent(w)->core.background_pixel; - values.background = entry->sme_bsb.foreground; - values.font = entry->sme_bsb.font->fid; - values.graphics_exposures = False; - mask = GCForeground | GCBackground | GCGraphicsExposures | GCFont; - mask_i18n = GCForeground | GCBackground | GCGraphicsExposures; - if (entry->sme.international == True) - entry->sme_bsb.rev_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0); - else - entry->sme_bsb.rev_gc = XtGetGC(w, mask, &values); - - values.foreground = entry->sme_bsb.foreground; - values.background = XtParent(w)->core.background_pixel; - if (entry->sme.international == True) - entry->sme_bsb.norm_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0); - else - entry->sme_bsb.norm_gc = XtGetGC(w, mask, &values); - - values.fill_style = FillTiled; - values.tile = XmuCreateStippledPixmap(XtScreenOfObject(w), - entry->sme_bsb.foreground, - XtParent(w)->core.background_pixel, - XtParent(w)->core.depth); - values.graphics_exposures = False; - mask |= GCTile | GCFillStyle; - mask_i18n |= GCTile | GCFillStyle; - if (entry->sme.international == True) - entry->sme_bsb.norm_gray_gc = XtAllocateGC(w, 0, mask_i18n, &values, - GCFont, 0); - else - entry->sme_bsb.norm_gray_gc = XtGetGC(w, mask, &values); - - values.foreground ^= values.background; - values.background = 0; - values.function = GXxor; - mask = GCForeground | GCBackground | GCGraphicsExposures | GCFunction; - entry->sme_bsb.invert_gc = XtGetGC(w, mask, &values); -} - -/* - * Function: - * DestroyGCs - * - * Parameters: - * w - simple menu widget entry - * - * Description: - * Removes all gc's for the simple menu widget. - */ -static void -DestroyGCs(Widget w) -{ - SmeBSBObject entry = (SmeBSBObject)w; - - XtReleaseGC(w, entry->sme_bsb.norm_gc); - XtReleaseGC(w, entry->sme_bsb.norm_gray_gc); - XtReleaseGC(w, entry->sme_bsb.rev_gc); - XtReleaseGC(w, entry->sme_bsb.invert_gc); -} +/*
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ */
+
+/*
+ * SmeBSB.c - Source code file for BSB Menu Entry object.
+ *
+ * Date: September 26, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/SimpleMenu.h>
+#include <X11/Xaw/SmeBSBP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define ONE_HUNDRED 100
+
+/*
+ * Class Methods
+ */
+static void FlipColors(Widget);
+static void XawSmeBSBClassInitialize(void);
+static void XawSmeBSBInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawSmeBSBDestroy(Widget);
+static XtGeometryResult XawSmeBSBQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawSmeBSBRedisplay(Widget, XEvent*, Region);
+static Boolean XawSmeBSBSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void CreateGCs(Widget);
+static void GetBitmapInfo(Widget, Bool);
+static void GetDefaultSize(Widget, Dimension*, Dimension*);
+static void DestroyGCs(Widget);
+static void DrawBitmaps(Widget, GC);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(SmeBSBRec, sme_bsb.field)
+static XtResource resources[] = {
+ {
+ XtNlabel,
+ XtCLabel,
+ XtRString,
+ sizeof(String),
+ offset(label),
+ XtRString,
+ NULL
+ },
+ {
+ XtNvertSpace,
+ XtCVertSpace,
+ XtRInt,
+ sizeof(int),
+ offset(vert_space),
+ XtRImmediate,
+ (XtPointer)25
+ },
+ {
+ XtNleftBitmap,
+ XtCLeftBitmap,
+ XtRBitmap,
+ sizeof(Pixmap),
+ offset(left_bitmap),
+ XtRImmediate,
+ (XtPointer)None
+ },
+ {
+ XtNjustify,
+ XtCJustify,
+ XtRJustify,
+ sizeof(XtJustify),
+ offset(justify),
+ XtRImmediate,
+ (XtPointer)XtJustifyLeft
+ },
+ {
+ XtNrightBitmap,
+ XtCRightBitmap,
+ XtRBitmap,
+ sizeof(Pixmap),
+ offset(right_bitmap),
+ XtRImmediate,
+ (XtPointer)None
+ },
+ {
+ XtNleftMargin,
+ XtCHorizontalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(left_margin),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNrightMargin,
+ XtCHorizontalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(right_margin),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(foreground),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNfont,
+ XtCFont,
+ XtRFontStruct,
+ sizeof(XFontStruct*),
+ offset(font),
+ XtRString,
+ XtDefaultFont
+ },
+ {
+ XtNfontSet,
+ XtCFontSet,
+ XtRFontSet,
+ sizeof(XFontSet),
+ offset(fontset),
+ XtRString,
+ XtDefaultFontSet
+ },
+#ifndef OLDXAW
+ {
+ XtNmenuName,
+ XtCMenuName,
+ XtRString,
+ sizeof(String),
+ offset(menu_name),
+ XtRImmediate,
+ (XtPointer)NULL
+ },
+#endif
+};
+#undef offset
+
+#define superclass (&smeClassRec)
+SmeBSBClassRec smeBSBClassRec = {
+ /* rectangle */
+ {
+ (WidgetClass)superclass, /* superclass */
+ "SmeBSB", /* class_name */
+ sizeof(SmeBSBRec), /* size */
+ XawSmeBSBClassInitialize, /* class_init */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawSmeBSBInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ False, /* compress_exposure */
+ False, /* compress_enterleave */
+ False, /* visible_interest */
+ XawSmeBSBDestroy, /* destroy */
+ NULL, /* resize */
+ XawSmeBSBRedisplay, /* expose */
+ XawSmeBSBSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* intrinsics version */
+ NULL, /* callback offsets */
+ NULL, /* tm_table */
+ XawSmeBSBQueryGeometry, /* query_geometry */
+ NULL, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* sme */
+ {
+ FlipColors, /* highlight */
+ FlipColors, /* unhighlight */
+ XtInheritNotify, /* notify */
+ NULL, /* extension */
+ },
+ /* sme_bsb */
+ {
+ NULL, /* extension */
+ },
+};
+WidgetClass smeBSBObjectClass = (WidgetClass)&smeBSBClassRec;
+
+/*
+ * Function:
+ * XawSmeBSBClassInitialize
+ *
+ * Description:
+ * Initializes the SmeBSBObject.
+ */
+static void
+XawSmeBSBClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtRJustify, XmuCvtStringToJustify, NULL, 0);
+ XtSetTypeConverter(XtRJustify, XtRString, XmuCvtJustifyToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/*
+ * Function:
+ * XawSmeBSBInitialize
+ *
+ * Parameters:
+ * request - widget requested by the argument list
+ * cnew - new widget with both resource and non resource values
+ *
+ * Description:
+ * Initializes the simple menu widget entry.
+ */
+/*ARGSUSED*/
+static void
+XawSmeBSBInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SmeBSBObject entry = (SmeBSBObject)cnew;
+
+ if (!entry->sme_bsb.font) XtError("Aborting: no font found\n");
+
+ if (entry->sme_bsb.label == NULL)
+ entry->sme_bsb.label = XtName(cnew);
+ else
+ entry->sme_bsb.label = XtNewString(entry->sme_bsb.label);
+
+ GetDefaultSize(cnew, &entry->rectangle.width, &entry->rectangle.height);
+ CreateGCs(cnew);
+
+ entry->sme_bsb.left_bitmap_width = entry->sme_bsb.left_bitmap_height = 0;
+ entry->sme_bsb.right_bitmap_width = entry->sme_bsb.right_bitmap_height = 0;
+
+ GetBitmapInfo(cnew, True); /* Left Bitmap Info */
+ GetBitmapInfo(cnew, False); /* Right Bitmap Info */
+}
+
+/*
+ * Function:
+ * XawSmeBSBDestroy
+ *
+ * Parameters:
+ * w - simple menu widget entry
+ */
+static void
+XawSmeBSBDestroy(Widget w)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+
+ DestroyGCs(w);
+ if (entry->sme_bsb.label != XtName(w))
+ XtFree(entry->sme_bsb.label);
+}
+
+/*
+ * Function:
+ * XawSmeBSBRedisplay
+ *
+ * Parameters:
+ * w - simple menu widget entry
+ * event - X event that caused this redisplay
+ * region - region the needs to be repainted
+ *
+ * Description:
+ * Redisplays the contents of the widget.
+ */
+/* ARGSUSED */
+static void
+XawSmeBSBRedisplay(Widget w, XEvent *event, Region region)
+{
+ GC gc;
+ SmeBSBObject entry = (SmeBSBObject)w;
+ int font_ascent, font_descent, y_loc;
+ int fontset_ascent, fontset_descent;
+ XFontSetExtents *ext = XExtentsOfFontSet(entry->sme_bsb.fontset);
+
+ font_ascent = font_descent = fontset_ascent = fontset_descent = 0;
+ entry->sme_bsb.set_values_area_cleared = False;
+
+ if (entry->sme.international == True) {
+ fontset_ascent = XawAbs(ext->max_ink_extent.y);
+ fontset_descent = ext->max_ink_extent.height - fontset_ascent;
+ }
+ else {
+ font_ascent = entry->sme_bsb.font->max_bounds.ascent;
+ font_descent = entry->sme_bsb.font->max_bounds.descent;
+ }
+ y_loc = XtY(entry);
+
+ if (XtIsSensitive(w) && XtIsSensitive(XtParent(w))) {
+ if (w == XawSimpleMenuGetActiveEntry(XtParent(w))) {
+ XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w),
+ entry->sme_bsb.norm_gc, XtX(w), y_loc,
+ XtWidth(entry), XtHeight(entry));
+ gc = entry->sme_bsb.rev_gc;
+ }
+ else
+ gc = entry->sme_bsb.norm_gc;
+ }
+ else
+ gc = entry->sme_bsb.norm_gray_gc;
+
+ if (entry->sme_bsb.label != NULL) {
+ int x_loc = entry->sme_bsb.left_margin;
+ int len = strlen(entry->sme_bsb.label);
+ char *label = entry->sme_bsb.label;
+ int width, t_width;
+
+ switch(entry->sme_bsb.justify) {
+ case XtJustifyCenter:
+ if (entry->sme.international == True) {
+ t_width = XmbTextEscapement(entry->sme_bsb.fontset,label,
+ len);
+ width = XtWidth(entry) - (entry->sme_bsb.left_margin +
+ entry->sme_bsb.right_margin);
+ }
+ else {
+ t_width = XTextWidth(entry->sme_bsb.font, label, len);
+ width = XtWidth(entry) - (entry->sme_bsb.left_margin +
+ entry->sme_bsb.right_margin);
+ }
+ x_loc += (width - t_width) >> 1;
+ break;
+ case XtJustifyRight:
+ if (entry->sme.international == True) {
+ t_width = XmbTextEscapement(entry->sme_bsb.fontset,label,
+ len);
+ x_loc = XtWidth(entry) - (entry->sme_bsb.right_margin +
+ t_width);
+ }
+ else {
+ t_width = XTextWidth(entry->sme_bsb.font, label, len);
+ x_loc = XtWidth(entry) - (entry->sme_bsb.right_margin +
+ t_width);
+ }
+ break;
+ case XtJustifyLeft:
+ /*FALLTHROUGH*/
+ default:
+ break;
+ }
+
+ /* this will center the text in the gadget top-to-bottom */
+ if (entry->sme.international == True) {
+ y_loc += ((XtHeight(entry) -
+ (fontset_ascent + fontset_descent)) >> 1) +
+ fontset_ascent;
+
+ XmbDrawString(XtDisplayOfObject(w), XtWindowOfObject(w),
+ entry->sme_bsb.fontset, gc,
+ XtX(w) + x_loc, y_loc, label, len);
+ }
+ else {
+ y_loc += ((XtHeight(entry) -
+ (font_ascent + font_descent)) >> 1) + font_ascent;
+
+ XDrawString(XtDisplayOfObject(w), XtWindowOfObject(w), gc,
+ XtX(w) + x_loc, y_loc, label, len);
+ }
+ }
+
+ DrawBitmaps(w, gc);
+}
+
+
+/*
+ * Function:
+ * XawSmeBSBSetValues
+ *
+ * Parameters:
+ * current - current state of the widget
+ * request - what was requested
+ * cnew - what the widget will become
+ *
+ * Description:
+ * Relayout the menu when one of the resources is changed.
+ */
+
+/*ARGSUSED*/
+static Boolean
+XawSmeBSBSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SmeBSBObject entry = (SmeBSBObject)cnew;
+ SmeBSBObject old_entry = (SmeBSBObject)current;
+ Boolean ret_val = False;
+
+ if (old_entry->sme_bsb.label != entry->sme_bsb.label) {
+ if (old_entry->sme_bsb.label != XtName(cnew))
+ XtFree((char *)old_entry->sme_bsb.label);
+
+ if (entry->sme_bsb.label != XtName(cnew))
+ entry->sme_bsb.label = XtNewString(entry->sme_bsb.label);
+
+ ret_val = True;
+ }
+
+ if (entry->rectangle.sensitive != old_entry->rectangle.sensitive)
+ ret_val = True;
+
+ if (entry->sme_bsb.left_bitmap != old_entry->sme_bsb.left_bitmap) {
+ GetBitmapInfo(cnew, True);
+ ret_val = True;
+ }
+
+ if (entry->sme_bsb.right_bitmap != old_entry->sme_bsb.right_bitmap) {
+ GetBitmapInfo(cnew, False);
+ ret_val = True;
+ }
+
+ if ((old_entry->sme_bsb.font != entry->sme_bsb.font
+ && old_entry->sme.international == False)
+ || old_entry->sme_bsb.foreground != entry->sme_bsb.foreground) {
+ DestroyGCs(current);
+ CreateGCs(cnew);
+ ret_val = True;
+ }
+
+ if (old_entry->sme_bsb.fontset != entry->sme_bsb.fontset &&
+ old_entry->sme.international == True)
+ /* DONT changes the GCs, because the fontset is not in them */
+ ret_val = True;
+
+ if (ret_val) {
+ Dimension width, height;
+
+ GetDefaultSize(cnew, &width, &height);
+ entry->sme_bsb.set_values_area_cleared = True;
+ XtMakeResizeRequest(cnew, width, height, NULL, NULL);
+ }
+
+ return (ret_val);
+}
+
+/*
+ * Function:
+ * XawSmeBSBQueryGeometry
+ *
+ * Parameters:
+ * w - menu entry object
+ * itended - intended and return geometry info
+ * return_val - ""
+ *
+ * Returns:
+ * Geometry Result
+ *
+ * Description:
+ * Returns the preferred geometry for this widget.
+ * See the Intrinsics manual for details on what this function is for.
+ */
+static XtGeometryResult
+XawSmeBSBQueryGeometry(Widget w, XtWidgetGeometry *intended,
+ XtWidgetGeometry *return_val)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+ Dimension width, height;
+ XtGeometryResult ret_val = XtGeometryYes;
+ XtGeometryMask mode = intended->request_mode;
+
+ GetDefaultSize(w, &width, &height);
+
+ if (((mode & CWWidth) && intended->width != width) || !(mode & CWWidth)) {
+ return_val->request_mode |= CWWidth;
+ return_val->width = width;
+ ret_val = XtGeometryAlmost;
+ }
+
+ if (((mode & CWHeight) && intended->height != height) || !(mode & CWHeight)) {
+ return_val->request_mode |= CWHeight;
+ return_val->height = height;
+ ret_val = XtGeometryAlmost;
+ }
+
+ if (ret_val == XtGeometryAlmost) {
+ mode = return_val->request_mode;
+ if (((mode & CWWidth) && width == XtWidth(entry)) &&
+ ((mode & CWHeight) && height == XtHeight(entry)))
+ return (XtGeometryNo);
+ }
+
+ return (ret_val);
+}
+
+/*
+ * Function:
+ * FlipColors
+ *
+ * Parameters:
+ * w - bsb menu entry widget
+ *
+ * Description:
+ * Invert the colors of the current entry.
+ */
+static void
+FlipColors(Widget w)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+
+ if (entry->sme_bsb.set_values_area_cleared)
+ return;
+
+ XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w),
+ entry->sme_bsb.invert_gc,
+ XtX(w), XtY(entry), XtWidth(entry), XtHeight(entry));
+}
+
+/*
+ * Function:
+ * GetDefaultSize
+ *
+ * Parameters:
+ * w - menu entry widget.
+ * width - default width (return)
+ * height - default height (return)
+ *
+ * Description:
+ * Calculates the Default (preferred) size of this menu entry.
+ */
+static void
+GetDefaultSize(Widget w, Dimension *width, Dimension *height)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+
+ if (entry->sme.international == True) {
+ XFontSetExtents *ext = XExtentsOfFontSet(entry->sme_bsb.fontset);
+
+ if (entry->sme_bsb.label == NULL)
+ *width = 0;
+ else
+ *width = XmbTextEscapement(entry->sme_bsb.fontset,
+ entry->sme_bsb.label,
+ strlen(entry->sme_bsb.label));
+ *width += entry->sme_bsb.left_margin + entry->sme_bsb.right_margin;
+ *height = ext->max_ink_extent.height;
+ *height = ((int)*height * (ONE_HUNDRED +
+ entry->sme_bsb.vert_space)) / ONE_HUNDRED;
+ }
+ else {
+ if (entry->sme_bsb.label == NULL)
+ *width = 0;
+ else
+ *width = XTextWidth(entry->sme_bsb.font, entry->sme_bsb.label,
+ strlen(entry->sme_bsb.label));
+
+ *width += entry->sme_bsb.left_margin + entry->sme_bsb.right_margin;
+
+ *height = entry->sme_bsb.font->max_bounds.ascent +
+ entry->sme_bsb.font->max_bounds.descent;
+
+ *height = ((int)*height * (ONE_HUNDRED +
+ entry->sme_bsb.vert_space)) / ONE_HUNDRED;
+ }
+}
+
+/*
+ * Function:
+ * DrawBitmaps
+ *
+ * Parameters:
+ * w - simple menu widget entry
+ * gc - graphics context to use for drawing
+ *
+ * Description:
+ * Draws left and right bitmaps.
+ */
+static void
+DrawBitmaps(Widget w, GC gc)
+{
+ int x_loc, y_loc;
+ SmeBSBObject entry = (SmeBSBObject)w;
+
+ if (entry->sme_bsb.left_bitmap == None &&
+ entry->sme_bsb.right_bitmap == None)
+ return;
+
+ /*
+ * Draw Left Bitmap
+ */
+ if (entry->sme_bsb.left_bitmap != None) {
+ x_loc = ((entry->sme_bsb.left_margin -
+ entry->sme_bsb.left_bitmap_width) >> 1) + XtX(w);
+
+ y_loc = XtY(entry) + ((XtHeight(entry) -
+ entry->sme_bsb.left_bitmap_height) >> 1);
+
+ XCopyPlane(XtDisplayOfObject(w), entry->sme_bsb.left_bitmap,
+ XtWindowOfObject(w), gc, 0, 0,
+ entry->sme_bsb.left_bitmap_width,
+ entry->sme_bsb.left_bitmap_height, x_loc, y_loc, 1);
+ }
+
+ /*
+ * Draw Right Bitmap
+ */
+ if (entry->sme_bsb.right_bitmap != None) {
+ x_loc = XtWidth(entry) - ((entry->sme_bsb.right_margin +
+ entry->sme_bsb.right_bitmap_width) >> 1) +
+ XtX(w);
+ y_loc = XtY(entry) + ((XtHeight(entry) -
+ entry->sme_bsb.right_bitmap_height) >> 1);
+
+ XCopyPlane(XtDisplayOfObject(w), entry->sme_bsb.right_bitmap,
+ XtWindowOfObject(w), gc, 0, 0,
+ entry->sme_bsb.right_bitmap_width,
+ entry->sme_bsb.right_bitmap_height, x_loc, y_loc, 1);
+ }
+}
+
+/*
+ * Function:
+ * GetBitmapInfo
+ *
+ * Parameters:
+ * w - bsb menu entry object
+ * is_left - True: if we are testing left bitmap
+ * False: if we are testing the right bitmap
+ *
+ * Description:
+ * Gets the bitmap information from either of the bitmaps.
+ */
+static void
+GetBitmapInfo(Widget w, Bool is_left)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+ unsigned int depth, bw;
+ Window root;
+ int x, y;
+ unsigned int width, height;
+
+ if (is_left) {
+ if (entry->sme_bsb.left_bitmap != None &&
+ XGetGeometry(XtDisplayOfObject(w),
+ entry->sme_bsb.left_bitmap, &root,
+ &x, &y, &width, &height, &bw, &depth)) {
+ entry->sme_bsb.left_bitmap_width = width;
+ entry->sme_bsb.left_bitmap_height = height;
+ }
+ }
+ else if (entry->sme_bsb.right_bitmap != None &&
+ XGetGeometry(XtDisplayOfObject(w),
+ entry->sme_bsb.right_bitmap, &root,
+ &x, &y, &width, &height, &bw, &depth)) {
+ entry->sme_bsb.right_bitmap_width = width;
+ entry->sme_bsb.right_bitmap_height = height;
+ }
+}
+
+/*
+ * Function:
+ * CreateGCs
+ *
+ * Parameters:
+ * w - simple menu widget entry
+ *
+ * Description:
+ * Creates all gc's for the simple menu widget.
+ */
+static void
+CreateGCs(Widget w)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+ XGCValues values;
+ XtGCMask mask, mask_i18n;
+
+ values.foreground = XtParent(w)->core.background_pixel;
+ values.background = entry->sme_bsb.foreground;
+ values.font = entry->sme_bsb.font->fid;
+ values.graphics_exposures = False;
+ mask = GCForeground | GCBackground | GCGraphicsExposures | GCFont;
+ mask_i18n = GCForeground | GCBackground | GCGraphicsExposures;
+ if (entry->sme.international == True)
+ entry->sme_bsb.rev_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0);
+ else
+ entry->sme_bsb.rev_gc = XtGetGC(w, mask, &values);
+
+ values.foreground = entry->sme_bsb.foreground;
+ values.background = XtParent(w)->core.background_pixel;
+ if (entry->sme.international == True)
+ entry->sme_bsb.norm_gc = XtAllocateGC(w, 0, mask_i18n, &values, GCFont, 0);
+ else
+ entry->sme_bsb.norm_gc = XtGetGC(w, mask, &values);
+
+ values.fill_style = FillTiled;
+ values.tile = XmuCreateStippledPixmap(XtScreenOfObject(w),
+ entry->sme_bsb.foreground,
+ XtParent(w)->core.background_pixel,
+ XtParent(w)->core.depth);
+ values.graphics_exposures = False;
+ mask |= GCTile | GCFillStyle;
+ mask_i18n |= GCTile | GCFillStyle;
+ if (entry->sme.international == True)
+ entry->sme_bsb.norm_gray_gc = XtAllocateGC(w, 0, mask_i18n, &values,
+ GCFont, 0);
+ else
+ entry->sme_bsb.norm_gray_gc = XtGetGC(w, mask, &values);
+
+ values.foreground ^= values.background;
+ values.background = 0;
+ values.function = GXxor;
+ mask = GCForeground | GCBackground | GCGraphicsExposures | GCFunction;
+ entry->sme_bsb.invert_gc = XtGetGC(w, mask, &values);
+}
+
+/*
+ * Function:
+ * DestroyGCs
+ *
+ * Parameters:
+ * w - simple menu widget entry
+ *
+ * Description:
+ * Removes all gc's for the simple menu widget.
+ */
+static void
+DestroyGCs(Widget w)
+{
+ SmeBSBObject entry = (SmeBSBObject)w;
+
+ XtReleaseGC(w, entry->sme_bsb.norm_gc);
+ XtReleaseGC(w, entry->sme_bsb.norm_gray_gc);
+ XtReleaseGC(w, entry->sme_bsb.rev_gc);
+ XtReleaseGC(w, entry->sme_bsb.invert_gc);
+}
diff --git a/libXaw/src/SmeLine.c b/libXaw/src/SmeLine.c index 80de18ed4..f735a3c9f 100644 --- a/libXaw/src/SmeLine.c +++ b/libXaw/src/SmeLine.c @@ -1,264 +1,264 @@ -/* -Copyright 1989, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - * Author: Chris D. Peterson, MIT X Consortium - */ - -/* - * Sme.c - Source code for the generic menu entry - * - * Date: September 26, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/SmeLineP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void XawSmeLineDestroy(Widget); -static void XawSmeLineInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawSmeLineRedisplay(Widget, XEvent*, Region); -static Boolean XawSmeLineSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void CreateGC(Widget); -static void DestroyGC(Widget); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(SmeLineRec, sme_line.field) -static XtResource resources[] = { - { - XtNlineWidth, - XtCLineWidth, - XtRDimension, - sizeof(Dimension), - offset(line_width), - XtRImmediate, - (XtPointer)1 - }, - { - XtNstipple, - XtCStipple, - XtRBitmap, - sizeof(Pixmap), - offset(stipple), - XtRImmediate, - (XtPointer)XtUnspecifiedPixmap - }, - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(foreground), - XtRString, - XtDefaultForeground - }, -}; -#undef offset - -#define Superclass (&smeClassRec) -SmeLineClassRec smeLineClassRec = { - /* rectangle */ - { - (WidgetClass)Superclass, /* superclass */ - "SmeLine", /* class_name */ - sizeof(SmeLineRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class inited */ - XawSmeLineInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - False, /* compress_exposure */ - False, /* compress_enterleave */ - False, /* visible_interest */ - XawSmeLineDestroy, /* destroy */ - NULL, /* resize */ - XawSmeLineRedisplay, /* expose */ - XawSmeLineSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* intrinsics version */ - NULL, /* callback offsets */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - NULL, /* display_accelerator */ - NULL, /* extension */ - }, - /* sme */ - { - XtInheritHighlight, /* highlight */ - XtInheritUnhighlight, /* unhighlight */ - XtInheritNotify, /* notify */ - NULL, /* extension */ - }, - /* sme_line */ - { - NULL, /* extension */ - } -}; - -WidgetClass smeLineObjectClass = (WidgetClass)&smeLineClassRec; - -/* - * Implementation - */ -/*ARGSUSED*/ -static void -XawSmeLineInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SmeLineObject entry = (SmeLineObject)cnew; - - if (XtHeight(entry) == 0) - XtHeight(entry) = entry->sme_line.line_width; - - CreateGC(cnew); -} - -/* - * Function: - * CreateGC - * - * Parameters: - * w - Line entry widget - * - * Description: - * Creates the GC for the line entry widget. - * - * Note: - * We can only share the GC if there is no stipple, because - * we need to change the stipple origin when drawing - */ -static void -CreateGC(Widget w) -{ - SmeLineObject entry = (SmeLineObject)w; - XGCValues values; - XtGCMask mask = GCForeground | GCGraphicsExposures | GCLineWidth; - - values.foreground = entry->sme_line.foreground; - values.graphics_exposures = False; - values.line_width = entry->sme_line.line_width; - - if (entry->sme_line.stipple != XtUnspecifiedPixmap) { - values.stipple = entry->sme_line.stipple; - values.fill_style = FillStippled; - mask |= GCStipple | GCFillStyle; - - entry->sme_line.gc = XCreateGC(XtDisplayOfObject(w), - RootWindowOfScreen(XtScreenOfObject(w)), - mask, &values); - } - else - entry->sme_line.gc = XtGetGC(w, mask, &values); -} - -static void -XawSmeLineDestroy(Widget w) -{ - DestroyGC(w); -} - -static void -DestroyGC(Widget w) -{ - SmeLineObject entry = (SmeLineObject)w; - - if (entry->sme_line.stipple != XtUnspecifiedPixmap) - XFreeGC(XtDisplayOfObject(w), entry->sme_line.gc); - else - XtReleaseGC(w, entry->sme_line.gc); -} - -/*ARGSUSED*/ -static void -XawSmeLineRedisplay(Widget w, XEvent *event, Region region) -{ - SmeLineObject entry = (SmeLineObject)w; - int y = XtY(w) + (((int)XtHeight(w) - entry->sme_line.line_width) >> 1); - - if (entry->sme_line.stipple != XtUnspecifiedPixmap) - XSetTSOrigin(XtDisplayOfObject(w), entry->sme_line.gc, 0, y); - - XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), - entry->sme_line.gc, XtX(w), y, - XtWidth(w), entry->sme_line.line_width); -} - -/* - * Function: - * XawSmeLineSetValues - * - * Parameters: - * current - current state of the widget - * request - what was requested - * cnew - what the widget will become - * - * Description: - * Relayout the menu when one of the resources is changed. - */ -/*ARGSUSED*/ -static Boolean -XawSmeLineSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - SmeLineObject entry = (SmeLineObject)cnew; - SmeLineObject old_entry = (SmeLineObject)current; - - if (entry->sme_line.line_width != old_entry->sme_line.line_width && - entry->sme_line.stipple != old_entry->sme_line.stipple) { - DestroyGC(current); - CreateGC(cnew); - return (True); - } - - return (False); -} +/*
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ * Author: Chris D. Peterson, MIT X Consortium
+ */
+
+/*
+ * Sme.c - Source code for the generic menu entry
+ *
+ * Date: September 26, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/SmeLineP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawSmeLineDestroy(Widget);
+static void XawSmeLineInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawSmeLineRedisplay(Widget, XEvent*, Region);
+static Boolean XawSmeLineSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void CreateGC(Widget);
+static void DestroyGC(Widget);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(SmeLineRec, sme_line.field)
+static XtResource resources[] = {
+ {
+ XtNlineWidth,
+ XtCLineWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(line_width),
+ XtRImmediate,
+ (XtPointer)1
+ },
+ {
+ XtNstipple,
+ XtCStipple,
+ XtRBitmap,
+ sizeof(Pixmap),
+ offset(stipple),
+ XtRImmediate,
+ (XtPointer)XtUnspecifiedPixmap
+ },
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(foreground),
+ XtRString,
+ XtDefaultForeground
+ },
+};
+#undef offset
+
+#define Superclass (&smeClassRec)
+SmeLineClassRec smeLineClassRec = {
+ /* rectangle */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "SmeLine", /* class_name */
+ sizeof(SmeLineRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class inited */
+ XawSmeLineInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ False, /* compress_exposure */
+ False, /* compress_enterleave */
+ False, /* visible_interest */
+ XawSmeLineDestroy, /* destroy */
+ NULL, /* resize */
+ XawSmeLineRedisplay, /* expose */
+ XawSmeLineSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* intrinsics version */
+ NULL, /* callback offsets */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ NULL, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* sme */
+ {
+ XtInheritHighlight, /* highlight */
+ XtInheritUnhighlight, /* unhighlight */
+ XtInheritNotify, /* notify */
+ NULL, /* extension */
+ },
+ /* sme_line */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass smeLineObjectClass = (WidgetClass)&smeLineClassRec;
+
+/*
+ * Implementation
+ */
+/*ARGSUSED*/
+static void
+XawSmeLineInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SmeLineObject entry = (SmeLineObject)cnew;
+
+ if (XtHeight(entry) == 0)
+ XtHeight(entry) = entry->sme_line.line_width;
+
+ CreateGC(cnew);
+}
+
+/*
+ * Function:
+ * CreateGC
+ *
+ * Parameters:
+ * w - Line entry widget
+ *
+ * Description:
+ * Creates the GC for the line entry widget.
+ *
+ * Note:
+ * We can only share the GC if there is no stipple, because
+ * we need to change the stipple origin when drawing
+ */
+static void
+CreateGC(Widget w)
+{
+ SmeLineObject entry = (SmeLineObject)w;
+ XGCValues values;
+ XtGCMask mask = GCForeground | GCGraphicsExposures | GCLineWidth;
+
+ values.foreground = entry->sme_line.foreground;
+ values.graphics_exposures = False;
+ values.line_width = entry->sme_line.line_width;
+
+ if (entry->sme_line.stipple != XtUnspecifiedPixmap) {
+ values.stipple = entry->sme_line.stipple;
+ values.fill_style = FillStippled;
+ mask |= GCStipple | GCFillStyle;
+
+ entry->sme_line.gc = XCreateGC(XtDisplayOfObject(w),
+ RootWindowOfScreen(XtScreenOfObject(w)),
+ mask, &values);
+ }
+ else
+ entry->sme_line.gc = XtGetGC(w, mask, &values);
+}
+
+static void
+XawSmeLineDestroy(Widget w)
+{
+ DestroyGC(w);
+}
+
+static void
+DestroyGC(Widget w)
+{
+ SmeLineObject entry = (SmeLineObject)w;
+
+ if (entry->sme_line.stipple != XtUnspecifiedPixmap)
+ XFreeGC(XtDisplayOfObject(w), entry->sme_line.gc);
+ else
+ XtReleaseGC(w, entry->sme_line.gc);
+}
+
+/*ARGSUSED*/
+static void
+XawSmeLineRedisplay(Widget w, XEvent *event, Region region)
+{
+ SmeLineObject entry = (SmeLineObject)w;
+ int y = XtY(w) + (((int)XtHeight(w) - entry->sme_line.line_width) >> 1);
+
+ if (entry->sme_line.stipple != XtUnspecifiedPixmap)
+ XSetTSOrigin(XtDisplayOfObject(w), entry->sme_line.gc, 0, y);
+
+ XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w),
+ entry->sme_line.gc, XtX(w), y,
+ XtWidth(w), entry->sme_line.line_width);
+}
+
+/*
+ * Function:
+ * XawSmeLineSetValues
+ *
+ * Parameters:
+ * current - current state of the widget
+ * request - what was requested
+ * cnew - what the widget will become
+ *
+ * Description:
+ * Relayout the menu when one of the resources is changed.
+ */
+/*ARGSUSED*/
+static Boolean
+XawSmeLineSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ SmeLineObject entry = (SmeLineObject)cnew;
+ SmeLineObject old_entry = (SmeLineObject)current;
+
+ if (entry->sme_line.line_width != old_entry->sme_line.line_width &&
+ entry->sme_line.stipple != old_entry->sme_line.stipple) {
+ DestroyGC(current);
+ CreateGC(cnew);
+ return (True);
+ }
+
+ return (False);
+}
diff --git a/libXaw/src/StripChart.c b/libXaw/src/StripChart.c index 237cf66a5..85e3e3914 100644 --- a/libXaw/src/StripChart.c +++ b/libXaw/src/StripChart.c @@ -1,576 +1,576 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xfuncs.h> -#include <X11/Xaw/StripCharP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -#define MS_PER_SEC 1000 - -/* - * Class Methods - */ -static void XawStripChartInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawStripChartDestroy(Widget); -static void XawStripChartRedisplay(Widget, XEvent*, Region); -static void XawStripChartResize(Widget); -static Boolean XawStripChartSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void CreateGC(StripChartWidget, unsigned int); -static void DestroyGC(StripChartWidget, unsigned int); -static void draw_it(XtPointer, XtIntervalId*); -static void MoveChart(StripChartWidget, Bool); -static int repaint_window(StripChartWidget, int, int); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(StripChartRec, field) -static XtResource resources[] = { - { - XtNwidth, - XtCWidth, - XtRDimension, - sizeof(Dimension), - offset(core.width), - XtRImmediate, - (XtPointer) - 120 - }, - { - XtNheight, - XtCHeight, - XtRDimension, - sizeof(Dimension), - offset(core.height), - XtRImmediate, - (XtPointer)120 - }, - { - XtNupdate, - XtCInterval, - XtRInt, - sizeof(int), - offset(strip_chart.update), - XtRImmediate, - (XtPointer)10 - }, - { - XtNminScale, - XtCScale, - XtRInt, - sizeof(int), - offset(strip_chart.min_scale), - XtRImmediate, - (XtPointer)1 - }, - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(strip_chart.fgpixel), - XtRString, - XtDefaultForeground - }, - { - XtNhighlight, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(strip_chart.hipixel), - XtRString, - XtDefaultForeground - }, - { - XtNgetValue, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(strip_chart.get_value), - XtRImmediate, - NULL - }, - { - XtNjumpScroll, - XtCJumpScroll, - XtRInt, - sizeof(int), - offset(strip_chart.jump_val), - XtRImmediate, - (XtPointer)DEFAULT_JUMP - }, -}; -#undef offset - -StripChartClassRec stripChartClassRec = { - /* core */ - { - (WidgetClass)&simpleClassRec, /* superclass */ - "StripChart", /* class_name */ - sizeof(StripChartRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawStripChartInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - XtExposeCompressMultiple /* compress_exposure */ - | XtExposeGraphicsExposeMerged, - True, /* compress_enterleave */ - False, /* visible_interest */ - XawStripChartDestroy, /* destroy */ - XawStripChartResize, /* resize */ - XawStripChartRedisplay, /* expose */ - XawStripChartSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - } -}; - -WidgetClass stripChartWidgetClass = (WidgetClass)&stripChartClassRec; - -/* - * Implementation - */ -/* - * Function: - * CreateGC - * - * Parameters: - * w - strip chart widget - * which - GC's to create - * - * Description: - * Creates the GC's - */ -static void -CreateGC(StripChartWidget w, unsigned int which) -{ - XGCValues myXGCV; - - if (which & FOREGROUND) { - myXGCV.foreground = w->strip_chart.fgpixel; - w->strip_chart.fgGC = XtGetGC((Widget)w, GCForeground, &myXGCV); - } - - if (which & HIGHLIGHT) { - myXGCV.foreground = w->strip_chart.hipixel; - w->strip_chart.hiGC = XtGetGC((Widget)w, GCForeground, &myXGCV); - } -} - -/* - * Function: - * DestroyGC - * - * Arguments: - * w - strip chart widget - * which - which GC's to destroy - * - * Description: - * Destroys the GC's - */ -static void -DestroyGC(StripChartWidget w, unsigned int which) -{ - if (which & FOREGROUND) - XtReleaseGC((Widget)w, w->strip_chart.fgGC); - - if (which & HIGHLIGHT) - XtReleaseGC((Widget)w, w->strip_chart.hiGC); -} - -/*ARGSUSED*/ -static void -XawStripChartInitialize(Widget greq, Widget gnew, - ArgList args, Cardinal *num_args) -{ - StripChartWidget w = (StripChartWidget)gnew; - - if (w->strip_chart.update > 0) - w->strip_chart.interval_id = - XtAppAddTimeOut(XtWidgetToApplicationContext(gnew), - w->strip_chart.update * MS_PER_SEC, - draw_it, (XtPointer)gnew); - CreateGC(w, ALL_GCS); - - w->strip_chart.scale = w->strip_chart.min_scale; - w->strip_chart.interval = 0; - w->strip_chart.max_value = 0.0; - w->strip_chart.points = NULL; - XawStripChartResize(gnew); -} - -static void -XawStripChartDestroy(Widget gw) -{ - StripChartWidget w = (StripChartWidget)gw; - - if (w->strip_chart.update > 0) - XtRemoveTimeOut(w->strip_chart.interval_id); - if (w->strip_chart.points) - XtFree((char *)w->strip_chart.points); - DestroyGC(w, ALL_GCS); -} - -/* - * NOTE: This function really needs to recieve graphics exposure - * events, but since this is not easily supported until R4 I am - * going to hold off until then. - */ -/*ARGSUSED*/ -static void -XawStripChartRedisplay(Widget w, XEvent *event, Region region) -{ - if (event->type == GraphicsExpose) - (void)repaint_window((StripChartWidget)w, event->xgraphicsexpose.x, - event->xgraphicsexpose.width); - else - (void)repaint_window((StripChartWidget)w, event->xexpose.x, - event->xexpose.width); -} - -/*ARGSUSED*/ -static void -draw_it(XtPointer client_data, XtIntervalId *id) -{ - StripChartWidget w = (StripChartWidget)client_data; - double value; - - if (w->strip_chart.update > 0) - w->strip_chart.interval_id = - XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)w), - w->strip_chart.update * MS_PER_SEC,draw_it, - client_data); - - if (w->strip_chart.interval >= XtWidth(w)) - MoveChart((StripChartWidget)w, True); - - /* Get the value, stash the point and draw corresponding line */ - if (w->strip_chart.get_value == NULL) - return; - - XtCallCallbacks((Widget)w, XtNgetValue, (XtPointer)&value); - - /* - * Keep w->strip_chart.max_value up to date, and if this data - * point is off the graph, change the scale to make it fit - */ - if (value > w->strip_chart.max_value) { - w->strip_chart.max_value = value; - if (XtIsRealized((Widget)w) && - w->strip_chart.max_value > w->strip_chart.scale) { - XClearWindow(XtDisplay(w), XtWindow(w)); - w->strip_chart.interval = repaint_window(w, 0, XtWidth(w)); - } - } - - w->strip_chart.valuedata[w->strip_chart.interval] = value; - if (XtIsRealized((Widget)w)) { - int y = (int)(XtHeight(w) - XtHeight(w) * value - / w->strip_chart.scale); - - XFillRectangle(XtDisplay(w), XtWindow(w), w->strip_chart.fgGC, - w->strip_chart.interval, y, - 1, XtHeight(w) - y); - - /* - * Fill in the graph lines we just painted over - */ - if (w->strip_chart.points != NULL) { - w->strip_chart.points[0].x = w->strip_chart.interval; - XDrawPoints(XtDisplay(w), XtWindow(w), w->strip_chart.hiGC, - w->strip_chart.points, w->strip_chart.scale - 1, - CoordModePrevious); - } - - XFlush(XtDisplay(w)); /* Flush output buffers */ - } - w->strip_chart.interval++; /* Next point */ -} - -/* Blts data according to current size, then redraws the stripChart window - * Next represents the number of valid points in data. Returns the (possibly) - * adjusted value of next. If next is 0, this routine draws an empty window - * (scale - 1 lines for graph). If next is less than the current window width, - * the returned value is identical to the initial value of next and data is - * unchanged. Otherwise keeps half a window's worth of data. If data is - * changed, then w->strip_chart.max_value is updated to reflect the - * largest data point - */ -static int -repaint_window(StripChartWidget w, int left, int width) -{ - int i, j; - int next = w->strip_chart.interval; - int scale = w->strip_chart.scale; - int scalewidth = 0; - - /* Compute the minimum scale required to graph the data, but don't go - lower than min_scale */ - if (w->strip_chart.interval != 0 || scale <= w->strip_chart.max_value) - scale = w->strip_chart.max_value + 1; - if (scale < w->strip_chart.min_scale) - scale = w->strip_chart.min_scale; - - if (scale != w->strip_chart.scale) { - w->strip_chart.scale = scale; - left = 0; - width = next; - scalewidth = XtWidth(w); - - XawStripChartResize((Widget)w); - - if (XtIsRealized((Widget)w)) - XClearWindow(XtDisplay(w), XtWindow(w)); - } - - if (XtIsRealized((Widget)w)) { - Display *dpy = XtDisplay(w); - Window win = XtWindow(w); - - width += left - 1; - if (!scalewidth) - scalewidth = width; - - if (next < ++width) - width = next; - - /* Draw data point lines */ - for (i = left; i < width; i++) { - int y = XtHeight(w) - (XtHeight(w) * w->strip_chart.valuedata[i]) - / w->strip_chart.scale; - - XFillRectangle(dpy, win, w->strip_chart.fgGC, - i, y, 1, XtHeight(w) - y); - } - - /* Draw graph reference lines */ - for (i = 1; i < w->strip_chart.scale; i++) { - j = i * ((int)XtHeight(w) / w->strip_chart.scale); - XDrawLine(dpy, win, w->strip_chart.hiGC, left, j, scalewidth, j); - } - } - return (next); -} - -/* - * Function: - * MoveChart - * - * Parameters: - * w - chart widget - * blit - blit the bits? - * - * Description: - * Moves the chart over when it would run off the end. - */ -static void -MoveChart(StripChartWidget w, Bool blit) -{ - double old_max; - int left, i, j; - int next = w->strip_chart.interval; - - if (!XtIsRealized((Widget)w)) - return; - - if (w->strip_chart.jump_val < 0) - w->strip_chart.jump_val = DEFAULT_JUMP; - if (w->strip_chart.jump_val == DEFAULT_JUMP) - j = XtWidth(w) >> 1; - else { - j = (int)XtWidth(w) - w->strip_chart.jump_val; - if (j < 0) - j = 0; - } - - (void)memmove((char *)w->strip_chart.valuedata, - (char *)(w->strip_chart.valuedata + next - j), - j * sizeof(double)); - next = w->strip_chart.interval = j; - - /* - * Since we just lost some data, recompute the - * w->strip_chart.max_value - */ - old_max = w->strip_chart.max_value; - w->strip_chart.max_value = 0.0; - for (i = 0; i < next; i++) { - if (w->strip_chart.valuedata[i] > w->strip_chart.max_value) - w->strip_chart.max_value = w->strip_chart.valuedata[i]; - } - - if (!blit) - return; - - if (old_max != w->strip_chart.max_value) { - XClearWindow(XtDisplay(w), XtWindow(w)); - repaint_window(w, 0, XtWidth(w)); - return; - } - - XCopyArea(XtDisplay((Widget)w), XtWindow((Widget)w), XtWindow((Widget)w), - w->strip_chart.hiGC, (int)XtWidth(w) - j, 0, j, XtHeight(w), 0, 0); - - XClearArea(XtDisplay((Widget)w), XtWindow((Widget)w), - j, 0, XtWidth(w) - j, XtHeight(w), False); - - /* Draw graph reference lines */ - left = j; - for (i = 1; i < w->strip_chart.scale; i++) { - j = i * (XtHeight(w) / w->strip_chart.scale); - XDrawLine(XtDisplay((Widget)w), XtWindow((Widget)w), - w->strip_chart.hiGC, left, j, XtWidth(w), j); - } -} - -/*ARGSUSED*/ -static Boolean -XawStripChartSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - StripChartWidget old = (StripChartWidget)current; - StripChartWidget w = (StripChartWidget)cnew; - Bool ret_val = False; - unsigned int new_gc = NO_GCS; - - if (w->strip_chart.update != old->strip_chart.update) { - if (old->strip_chart.update > 0) - XtRemoveTimeOut(old->strip_chart.interval_id); - if (w->strip_chart.update > 0) - w->strip_chart.interval_id = - XtAppAddTimeOut(XtWidgetToApplicationContext(cnew), - w->strip_chart.update * MS_PER_SEC, - draw_it, (XtPointer)w); - } - - if (w->strip_chart.min_scale > w->strip_chart.max_value + 1) - ret_val = True; - - if (w->strip_chart.fgpixel != old->strip_chart.fgpixel) { - new_gc |= FOREGROUND; - ret_val = True; - } - - if (w->strip_chart.hipixel != old->strip_chart.hipixel) { - new_gc |= HIGHLIGHT; - ret_val = True; - } - - DestroyGC(old, new_gc); - CreateGC(w, new_gc); - - return (ret_val); -} - -/* - * Function: - * XawStripChartResize - * - * Parameters: - * w - StripChart widget - * - * Description: - * Sets up the polypoint that will be used to draw in the graph lines. - */ -static void -XawStripChartResize(Widget widget) -{ - StripChartWidget w = (StripChartWidget)widget; - XPoint *points; - Cardinal size; - int i; - - if (w->strip_chart.scale <= 1) { - XtFree((char *)w->strip_chart.points); - w->strip_chart.points = NULL; - return; - } - - size = sizeof(XPoint) * (w->strip_chart.scale - 1); - - points = (XPoint *)XtRealloc((XtPointer)w->strip_chart.points, size); - w->strip_chart.points = points; - - /* Draw graph reference lines into clip mask */ - - for (i = 1; i < w->strip_chart.scale; i++) { - points[i - 1].x = 0; - points[i - 1].y = XtHeight(w) / w->strip_chart.scale; - } -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xaw/StripCharP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+#define MS_PER_SEC 1000
+
+/*
+ * Class Methods
+ */
+static void XawStripChartInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawStripChartDestroy(Widget);
+static void XawStripChartRedisplay(Widget, XEvent*, Region);
+static void XawStripChartResize(Widget);
+static Boolean XawStripChartSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void CreateGC(StripChartWidget, unsigned int);
+static void DestroyGC(StripChartWidget, unsigned int);
+static void draw_it(XtPointer, XtIntervalId*);
+static void MoveChart(StripChartWidget, Bool);
+static int repaint_window(StripChartWidget, int, int);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(StripChartRec, field)
+static XtResource resources[] = {
+ {
+ XtNwidth,
+ XtCWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(core.width),
+ XtRImmediate,
+ (XtPointer)
+ 120
+ },
+ {
+ XtNheight,
+ XtCHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(core.height),
+ XtRImmediate,
+ (XtPointer)120
+ },
+ {
+ XtNupdate,
+ XtCInterval,
+ XtRInt,
+ sizeof(int),
+ offset(strip_chart.update),
+ XtRImmediate,
+ (XtPointer)10
+ },
+ {
+ XtNminScale,
+ XtCScale,
+ XtRInt,
+ sizeof(int),
+ offset(strip_chart.min_scale),
+ XtRImmediate,
+ (XtPointer)1
+ },
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(strip_chart.fgpixel),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNhighlight,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(strip_chart.hipixel),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNgetValue,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(strip_chart.get_value),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNjumpScroll,
+ XtCJumpScroll,
+ XtRInt,
+ sizeof(int),
+ offset(strip_chart.jump_val),
+ XtRImmediate,
+ (XtPointer)DEFAULT_JUMP
+ },
+};
+#undef offset
+
+StripChartClassRec stripChartClassRec = {
+ /* core */
+ {
+ (WidgetClass)&simpleClassRec, /* superclass */
+ "StripChart", /* class_name */
+ sizeof(StripChartRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawStripChartInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ XtExposeCompressMultiple /* compress_exposure */
+ | XtExposeGraphicsExposeMerged,
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawStripChartDestroy, /* destroy */
+ XawStripChartResize, /* resize */
+ XawStripChartRedisplay, /* expose */
+ XawStripChartSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ }
+};
+
+WidgetClass stripChartWidgetClass = (WidgetClass)&stripChartClassRec;
+
+/*
+ * Implementation
+ */
+/*
+ * Function:
+ * CreateGC
+ *
+ * Parameters:
+ * w - strip chart widget
+ * which - GC's to create
+ *
+ * Description:
+ * Creates the GC's
+ */
+static void
+CreateGC(StripChartWidget w, unsigned int which)
+{
+ XGCValues myXGCV;
+
+ if (which & FOREGROUND) {
+ myXGCV.foreground = w->strip_chart.fgpixel;
+ w->strip_chart.fgGC = XtGetGC((Widget)w, GCForeground, &myXGCV);
+ }
+
+ if (which & HIGHLIGHT) {
+ myXGCV.foreground = w->strip_chart.hipixel;
+ w->strip_chart.hiGC = XtGetGC((Widget)w, GCForeground, &myXGCV);
+ }
+}
+
+/*
+ * Function:
+ * DestroyGC
+ *
+ * Arguments:
+ * w - strip chart widget
+ * which - which GC's to destroy
+ *
+ * Description:
+ * Destroys the GC's
+ */
+static void
+DestroyGC(StripChartWidget w, unsigned int which)
+{
+ if (which & FOREGROUND)
+ XtReleaseGC((Widget)w, w->strip_chart.fgGC);
+
+ if (which & HIGHLIGHT)
+ XtReleaseGC((Widget)w, w->strip_chart.hiGC);
+}
+
+/*ARGSUSED*/
+static void
+XawStripChartInitialize(Widget greq, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ StripChartWidget w = (StripChartWidget)gnew;
+
+ if (w->strip_chart.update > 0)
+ w->strip_chart.interval_id =
+ XtAppAddTimeOut(XtWidgetToApplicationContext(gnew),
+ w->strip_chart.update * MS_PER_SEC,
+ draw_it, (XtPointer)gnew);
+ CreateGC(w, ALL_GCS);
+
+ w->strip_chart.scale = w->strip_chart.min_scale;
+ w->strip_chart.interval = 0;
+ w->strip_chart.max_value = 0.0;
+ w->strip_chart.points = NULL;
+ XawStripChartResize(gnew);
+}
+
+static void
+XawStripChartDestroy(Widget gw)
+{
+ StripChartWidget w = (StripChartWidget)gw;
+
+ if (w->strip_chart.update > 0)
+ XtRemoveTimeOut(w->strip_chart.interval_id);
+ if (w->strip_chart.points)
+ XtFree((char *)w->strip_chart.points);
+ DestroyGC(w, ALL_GCS);
+}
+
+/*
+ * NOTE: This function really needs to recieve graphics exposure
+ * events, but since this is not easily supported until R4 I am
+ * going to hold off until then.
+ */
+/*ARGSUSED*/
+static void
+XawStripChartRedisplay(Widget w, XEvent *event, Region region)
+{
+ if (event->type == GraphicsExpose)
+ (void)repaint_window((StripChartWidget)w, event->xgraphicsexpose.x,
+ event->xgraphicsexpose.width);
+ else
+ (void)repaint_window((StripChartWidget)w, event->xexpose.x,
+ event->xexpose.width);
+}
+
+/*ARGSUSED*/
+static void
+draw_it(XtPointer client_data, XtIntervalId *id)
+{
+ StripChartWidget w = (StripChartWidget)client_data;
+ double value;
+
+ if (w->strip_chart.update > 0)
+ w->strip_chart.interval_id =
+ XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)w),
+ w->strip_chart.update * MS_PER_SEC,draw_it,
+ client_data);
+
+ if (w->strip_chart.interval >= XtWidth(w))
+ MoveChart((StripChartWidget)w, True);
+
+ /* Get the value, stash the point and draw corresponding line */
+ if (w->strip_chart.get_value == NULL)
+ return;
+
+ XtCallCallbacks((Widget)w, XtNgetValue, (XtPointer)&value);
+
+ /*
+ * Keep w->strip_chart.max_value up to date, and if this data
+ * point is off the graph, change the scale to make it fit
+ */
+ if (value > w->strip_chart.max_value) {
+ w->strip_chart.max_value = value;
+ if (XtIsRealized((Widget)w) &&
+ w->strip_chart.max_value > w->strip_chart.scale) {
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ w->strip_chart.interval = repaint_window(w, 0, XtWidth(w));
+ }
+ }
+
+ w->strip_chart.valuedata[w->strip_chart.interval] = value;
+ if (XtIsRealized((Widget)w)) {
+ int y = (int)(XtHeight(w) - XtHeight(w) * value
+ / w->strip_chart.scale);
+
+ XFillRectangle(XtDisplay(w), XtWindow(w), w->strip_chart.fgGC,
+ w->strip_chart.interval, y,
+ 1, XtHeight(w) - y);
+
+ /*
+ * Fill in the graph lines we just painted over
+ */
+ if (w->strip_chart.points != NULL) {
+ w->strip_chart.points[0].x = w->strip_chart.interval;
+ XDrawPoints(XtDisplay(w), XtWindow(w), w->strip_chart.hiGC,
+ w->strip_chart.points, w->strip_chart.scale - 1,
+ CoordModePrevious);
+ }
+
+ XFlush(XtDisplay(w)); /* Flush output buffers */
+ }
+ w->strip_chart.interval++; /* Next point */
+}
+
+/* Blts data according to current size, then redraws the stripChart window
+ * Next represents the number of valid points in data. Returns the (possibly)
+ * adjusted value of next. If next is 0, this routine draws an empty window
+ * (scale - 1 lines for graph). If next is less than the current window width,
+ * the returned value is identical to the initial value of next and data is
+ * unchanged. Otherwise keeps half a window's worth of data. If data is
+ * changed, then w->strip_chart.max_value is updated to reflect the
+ * largest data point
+ */
+static int
+repaint_window(StripChartWidget w, int left, int width)
+{
+ int i, j;
+ int next = w->strip_chart.interval;
+ int scale = w->strip_chart.scale;
+ int scalewidth = 0;
+
+ /* Compute the minimum scale required to graph the data, but don't go
+ lower than min_scale */
+ if (w->strip_chart.interval != 0 || scale <= w->strip_chart.max_value)
+ scale = w->strip_chart.max_value + 1;
+ if (scale < w->strip_chart.min_scale)
+ scale = w->strip_chart.min_scale;
+
+ if (scale != w->strip_chart.scale) {
+ w->strip_chart.scale = scale;
+ left = 0;
+ width = next;
+ scalewidth = XtWidth(w);
+
+ XawStripChartResize((Widget)w);
+
+ if (XtIsRealized((Widget)w))
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ }
+
+ if (XtIsRealized((Widget)w)) {
+ Display *dpy = XtDisplay(w);
+ Window win = XtWindow(w);
+
+ width += left - 1;
+ if (!scalewidth)
+ scalewidth = width;
+
+ if (next < ++width)
+ width = next;
+
+ /* Draw data point lines */
+ for (i = left; i < width; i++) {
+ int y = XtHeight(w) - (XtHeight(w) * w->strip_chart.valuedata[i])
+ / w->strip_chart.scale;
+
+ XFillRectangle(dpy, win, w->strip_chart.fgGC,
+ i, y, 1, XtHeight(w) - y);
+ }
+
+ /* Draw graph reference lines */
+ for (i = 1; i < w->strip_chart.scale; i++) {
+ j = i * ((int)XtHeight(w) / w->strip_chart.scale);
+ XDrawLine(dpy, win, w->strip_chart.hiGC, left, j, scalewidth, j);
+ }
+ }
+ return (next);
+}
+
+/*
+ * Function:
+ * MoveChart
+ *
+ * Parameters:
+ * w - chart widget
+ * blit - blit the bits?
+ *
+ * Description:
+ * Moves the chart over when it would run off the end.
+ */
+static void
+MoveChart(StripChartWidget w, Bool blit)
+{
+ double old_max;
+ int left, i, j;
+ int next = w->strip_chart.interval;
+
+ if (!XtIsRealized((Widget)w))
+ return;
+
+ if (w->strip_chart.jump_val < 0)
+ w->strip_chart.jump_val = DEFAULT_JUMP;
+ if (w->strip_chart.jump_val == DEFAULT_JUMP)
+ j = XtWidth(w) >> 1;
+ else {
+ j = (int)XtWidth(w) - w->strip_chart.jump_val;
+ if (j < 0)
+ j = 0;
+ }
+
+ (void)memmove((char *)w->strip_chart.valuedata,
+ (char *)(w->strip_chart.valuedata + next - j),
+ j * sizeof(double));
+ next = w->strip_chart.interval = j;
+
+ /*
+ * Since we just lost some data, recompute the
+ * w->strip_chart.max_value
+ */
+ old_max = w->strip_chart.max_value;
+ w->strip_chart.max_value = 0.0;
+ for (i = 0; i < next; i++) {
+ if (w->strip_chart.valuedata[i] > w->strip_chart.max_value)
+ w->strip_chart.max_value = w->strip_chart.valuedata[i];
+ }
+
+ if (!blit)
+ return;
+
+ if (old_max != w->strip_chart.max_value) {
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ repaint_window(w, 0, XtWidth(w));
+ return;
+ }
+
+ XCopyArea(XtDisplay((Widget)w), XtWindow((Widget)w), XtWindow((Widget)w),
+ w->strip_chart.hiGC, (int)XtWidth(w) - j, 0, j, XtHeight(w), 0, 0);
+
+ XClearArea(XtDisplay((Widget)w), XtWindow((Widget)w),
+ j, 0, XtWidth(w) - j, XtHeight(w), False);
+
+ /* Draw graph reference lines */
+ left = j;
+ for (i = 1; i < w->strip_chart.scale; i++) {
+ j = i * (XtHeight(w) / w->strip_chart.scale);
+ XDrawLine(XtDisplay((Widget)w), XtWindow((Widget)w),
+ w->strip_chart.hiGC, left, j, XtWidth(w), j);
+ }
+}
+
+/*ARGSUSED*/
+static Boolean
+XawStripChartSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ StripChartWidget old = (StripChartWidget)current;
+ StripChartWidget w = (StripChartWidget)cnew;
+ Bool ret_val = False;
+ unsigned int new_gc = NO_GCS;
+
+ if (w->strip_chart.update != old->strip_chart.update) {
+ if (old->strip_chart.update > 0)
+ XtRemoveTimeOut(old->strip_chart.interval_id);
+ if (w->strip_chart.update > 0)
+ w->strip_chart.interval_id =
+ XtAppAddTimeOut(XtWidgetToApplicationContext(cnew),
+ w->strip_chart.update * MS_PER_SEC,
+ draw_it, (XtPointer)w);
+ }
+
+ if (w->strip_chart.min_scale > w->strip_chart.max_value + 1)
+ ret_val = True;
+
+ if (w->strip_chart.fgpixel != old->strip_chart.fgpixel) {
+ new_gc |= FOREGROUND;
+ ret_val = True;
+ }
+
+ if (w->strip_chart.hipixel != old->strip_chart.hipixel) {
+ new_gc |= HIGHLIGHT;
+ ret_val = True;
+ }
+
+ DestroyGC(old, new_gc);
+ CreateGC(w, new_gc);
+
+ return (ret_val);
+}
+
+/*
+ * Function:
+ * XawStripChartResize
+ *
+ * Parameters:
+ * w - StripChart widget
+ *
+ * Description:
+ * Sets up the polypoint that will be used to draw in the graph lines.
+ */
+static void
+XawStripChartResize(Widget widget)
+{
+ StripChartWidget w = (StripChartWidget)widget;
+ XPoint *points;
+ Cardinal size;
+ int i;
+
+ if (w->strip_chart.scale <= 1) {
+ XtFree((char *)w->strip_chart.points);
+ w->strip_chart.points = NULL;
+ return;
+ }
+
+ size = sizeof(XPoint) * (w->strip_chart.scale - 1);
+
+ points = (XPoint *)XtRealloc((XtPointer)w->strip_chart.points, size);
+ w->strip_chart.points = points;
+
+ /* Draw graph reference lines into clip mask */
+
+ for (i = 1; i < w->strip_chart.scale; i++) {
+ points[i - 1].x = 0;
+ points[i - 1].y = XtHeight(w) / w->strip_chart.scale;
+ }
+}
diff --git a/libXaw/src/Text.c b/libXaw/src/Text.c index 060057d1f..b95231c56 100644 --- a/libXaw/src/Text.c +++ b/libXaw/src/Text.c @@ -1,4158 +1,4158 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -/* - * Copyright (c) 1998 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Shell.h> -#include <X11/Xatom.h> -#include <X11/Xfuncs.h> -#include <X11/Xutil.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xmu/Xmu.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/MultiSinkP.h> -#include <X11/Xaw/TextP.h> -#include <X11/Xaw/TextSrcP.h> -#include <X11/Xaw/TextSinkP.h> -#include <X11/Xaw/Scrollbar.h> -#include <X11/Xaw/XawImP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" -#include "XawI18n.h" - -#ifndef MAX_LEN_CT -#define MAX_LEN_CT 6 /* for sequence: ESC $ ( A \xx \xx */ -#endif - -unsigned long FMT8BIT = 0L; -unsigned long XawFmt8Bit = 0L; -unsigned long XawFmtWide = 0L; - -#define SinkClearToBG _XawTextSinkClearToBackground - -#define SrcScan XawTextSourceScan -#define SrcRead XawTextSourceRead -#define SrcReplace XawTextSourceReplace -#define SrcSearch XawTextSourceSearch -#define SrcCvtSel XawTextSourceConvertSelection -#define SrcSetSelection XawTextSourceSetSelection - -#define MULTI_CLICK_TIME 500L - -#define SRC_CHANGE_NONE 0 -#define SRC_CHANGE_AFTER 1 -#define SRC_CHANGE_BEFORE 2 -#define SRC_CHANGE_OVERLAP 3 - -#define Superclass (&simpleClassRec) - -/* - * Compute a the maximum length of a cut buffer that we can pass at any - * time. The 64 allows for the overhead of the Change Property request. - */ -#define MAX_CUT_LEN(dpy) (XMaxRequestSize(dpy) - 64) - -#define ClearWindow(ctx) \ - _XawTextNeedsUpdating((ctx), \ - (ctx)->text.lt.top, \ - (ctx)->text.lt.info[ctx->text.lt.lines].position) - -/* - * Class Methods - */ -static void XawTextClassInitialize(void); -static void XawTextInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawTextRealize(Widget, XtValueMask*, XSetWindowAttributes*); -static void XawTextDestroy(Widget); -static void XawTextResize(Widget); -static void XawTextExpose(Widget, XEvent*, Region); -static Boolean XawTextSetValues(Widget, Widget, Widget, ArgList, Cardinal*); -static void XawTextGetValuesHook(Widget, ArgList, Cardinal*); -static Bool XawTextChangeSensitive(Widget); - -/* - * Prototypes - */ -static XawTextPosition _BuildLineTable(TextWidget, XawTextPosition, int); -static void _CreateCutBuffers(Display*); -static Boolean TextConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*, - unsigned long*, int*); -static int CountLines(TextWidget, XawTextPosition, XawTextPosition); -static void CreateHScrollBar(TextWidget); -static void CreateVScrollBar(TextWidget); -static void CvtStringToScrollMode(XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr); -static Boolean CvtScrollModeToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static void CvtStringToWrapMode(XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr); -static Boolean CvtWrapModeToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean CvtStringToJustifyMode(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean CvtJustifyModeToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static void DestroyHScrollBar(TextWidget); -static void DestroyVScrollBar(TextWidget); -#ifndef OLDXAW -static void DisplayText(Widget, XawTextPosition, XawTextPosition); -#endif -static void OldDisplayText(Widget, XawTextPosition, XawTextPosition); -static void DisplayTextWindow(Widget); -static void DoCopyArea(TextWidget, int, int, unsigned int, unsigned int, - int, int); -static void DoSelection(TextWidget, XawTextPosition, Time, Bool); -static void ExtendSelection(TextWidget, XawTextPosition, Bool); -static XawTextPosition FindGoodPosition(TextWidget, XawTextPosition); -static void FlushUpdate(TextWidget); -static int GetCutBufferNumber(Atom); -static int GetMaxTextWidth(TextWidget); -static unsigned int GetWidestLine(TextWidget); -static void HScroll(Widget, XtPointer, XtPointer); -static void HJump(Widget, XtPointer, XtPointer); -static void InsertCursor(Widget, XawTextInsertState); -static Bool LineAndXYForPosition(TextWidget, XawTextPosition, int*, - int*, int*); -static int LineForPosition(TextWidget, XawTextPosition); -static void TextLoseSelection(Widget, Atom*); -static Bool MatchSelection(Atom, XawTextSelection*); -static void ModifySelection(TextWidget, XawTextPosition, XawTextPosition); -static XawTextPosition PositionForXY(TextWidget, int, int); -static void PositionHScrollBar(TextWidget); -static void PositionVScrollBar(TextWidget); -#ifndef OLDXAW -static int ResolveColumnNumber(TextWidget); -static int ResolveLineNumber(TextWidget); -#endif -static void _SetSelection(TextWidget, XawTextPosition, XawTextPosition, - Atom*, Cardinal); -static void TextSinkResize(Widget); -static void UpdateTextInRectangle(TextWidget, XRectangle*); -static void UpdateTextInLine(TextWidget, int, int, int); -static void VScroll(Widget, XtPointer, XtPointer); -static void VJump(Widget, XtPointer, XtPointer); - -/* - * External - */ -void _XawTextAlterSelection(TextWidget, - XawTextSelectionMode, XawTextSelectionAction, - String*, Cardinal*); -void _XawTextCheckResize(TextWidget); -void _XawTextClearAndCenterDisplay(TextWidget); -void _XawTextExecuteUpdate(TextWidget); -char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition); -void _XawTextPrepareToUpdate(TextWidget); -int _XawTextReplace(TextWidget, XawTextPosition, XawTextPosition, - XawTextBlock*); -Atom *_XawTextSelectionList(TextWidget, String*, Cardinal); -void _XawTextSetScrollBars(TextWidget); -void _XawTextSetSelection(TextWidget, XawTextPosition, XawTextPosition, - String*, Cardinal); -void _XawTextVScroll(TextWidget, int); -void XawTextScroll(TextWidget, int, int); -void _XawTextSetSource(Widget, Widget, XawTextPosition, XawTextPosition); -#ifndef OLDXAW -void _XawTextSetLineAndColumnNumber(TextWidget, Bool); -#endif -void _XawTextSourceChanged(Widget, XawTextPosition, XawTextPosition, - XawTextBlock*, int); - -/* Not used by other modules, but were extern on previous versions - * of the library - */ -void _XawTextShowPosition(TextWidget); - -/* - * From TextAction.c - */ -extern void _XawTextZapSelection(TextWidget, XEvent*, Bool); - -/* - * From TextSrc.c - */ -void _XawSourceAddText(Widget, Widget); -void _XawSourceRemoveText(Widget, Widget, Bool); -Bool _XawTextSourceNewLineAtEOF(Widget); - -/* - * From TextSink.c - */ -void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned); -void _XawTextSinkDisplayText(Widget, int, int, XawTextPosition, XawTextPosition, - Bool); - -/**************************************************************** - * - * Full class record constant - * - ****************************************************************/ -/* - * From TextTr.c - */ -static XawTextSelectType defaultSelectTypes[] = { - XawselectPosition, XawselectAlphaNumeric, XawselectWord, XawselectLine, - XawselectParagraph, XawselectAll, XawselectNull, -}; - -static XPointer defaultSelectTypesPtr = (XPointer)defaultSelectTypes; -static Dimension defWidth = 100; -static Dimension defHeight = DEFAULT_TEXT_HEIGHT; - -#define offset(field) XtOffsetOf(TextRec, field) -static XtResource resources[] = { - { - XtNwidth, - XtCWidth, - XtRDimension, - sizeof(Dimension), - offset(core.width), - XtRDimension, - (XtPointer)&defWidth - }, - { - XtNcursor, - XtCCursor, - XtRCursor, - sizeof(Cursor), - offset(simple.cursor), - XtRString, - "xterm" - }, - { - XtNheight, - XtCHeight, - XtRDimension, - sizeof(Dimension), - offset(core.height), - XtRDimension, - (XtPointer)&defHeight - }, - { - XtNdisplayPosition, - XtCTextPosition, - XtRInt, - sizeof(XawTextPosition), - offset(text.lt.top), - XtRImmediate, - (XtPointer)0 - }, - { - XtNinsertPosition, - XtCTextPosition, - XtRInt, - sizeof(XawTextPosition), - offset(text.insertPos), - XtRImmediate, - (XtPointer)0 - }, - { - XtNleftMargin, - XtCMargin, - XtRPosition, - sizeof(Position), - offset(text.r_margin.left), - XtRImmediate, - (XtPointer)2 - }, - { - XtNrightMargin, - XtCMargin, - XtRPosition, - sizeof(Position), - offset(text.r_margin.right), - XtRImmediate, - (XtPointer)4 - }, - { - XtNtopMargin, - XtCMargin, - XtRPosition, - sizeof(Position), - offset(text.r_margin.top), - XtRImmediate, - (XtPointer)2 - }, - { - XtNbottomMargin, - XtCMargin, - XtRPosition, - sizeof(Position), - offset(text.r_margin.bottom), - XtRImmediate, - (XtPointer)2 - }, - { - XtNselectTypes, - XtCSelectTypes, - XtRPointer, - sizeof(XawTextSelectType*), - offset(text.sarray), - XtRPointer, - (XtPointer)&defaultSelectTypesPtr - }, - { - XtNtextSource, - XtCTextSource, - XtRWidget, - sizeof(Widget), - offset(text.source), - XtRImmediate, - NULL - }, - { - XtNtextSink, - XtCTextSink, - XtRWidget, - sizeof(Widget), - offset(text.sink), - XtRImmediate, - NULL - }, - { - XtNdisplayCaret, - XtCOutput, - XtRBoolean, - sizeof(Boolean), - offset(text.display_caret), - XtRImmediate, - (XtPointer)True - }, - { - XtNscrollVertical, - XtCScroll, - XtRScrollMode, - sizeof(XawTextScrollMode), - offset(text.scroll_vert), - XtRImmediate, - (XtPointer)False - }, - { - XtNscrollHorizontal, - XtCScroll, - XtRScrollMode, - sizeof(XawTextScrollMode), - offset(text.scroll_horiz), - XtRImmediate, - (XtPointer)False - }, - { - XtNwrap, - XtCWrap, - XtRWrapMode, - sizeof(XawTextWrapMode), - offset(text.wrap), - XtRImmediate, - (XtPointer)XawtextWrapNever - }, - { - XtNautoFill, - XtCAutoFill, - XtRBoolean, - sizeof(Boolean), - offset(text.auto_fill), - XtRImmediate, - (XtPointer)False - }, -#ifndef OLDXAW - { - XtNpositionCallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(text.position_callbacks), - XtRCallback, - NULL - }, - { - XtNleftColumn, - XtCColumn, - XtRShort, - sizeof(short), - offset(text.left_column), - XtRImmediate, - (XtPointer)0 - }, - { - XtNrightColumn, - XtCColumn, - XtRShort, - sizeof(short), - offset(text.right_column), - XtRImmediate, - (XtPointer)0 - }, - { - XtNjustifyMode, - XtCJustifyMode, - XtRJustifyMode, - sizeof(XawTextJustifyMode), - offset(text.justify), - XtRImmediate, - (XtPointer)XawjustifyLeft - }, -#endif /* OLDXAW */ -}; -#undef offset - -#define done(address, type) \ - { toVal->size = sizeof(type); toVal->addr = (XPointer)address; } - -static XrmQuark QWrapNever, QWrapLine, QWrapWord; -#ifndef notdef -static XrmQuark QScrollNever, QScrollWhenNeeded, QScrollAlways; -#endif -static XrmQuark QJustifyLeft, QJustifyRight, QJustifyCenter, QJustifyFull; - -/*ARGSUSED*/ -static void -CvtStringToScrollMode(XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal) -{ - static XawTextScrollMode scrollMode = XawtextScrollNever; - XrmQuark q; - char name[32]; - - XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name)); - q = XrmStringToQuark(name); - - if (q == QScrollNever || q == QScrollWhenNeeded) - scrollMode = XawtextScrollNever; - else if (q == QScrollAlways) - scrollMode = XawtextScrollAlways; - else if (strcmp(name, "true") == 0 || strcmp(name, "1") == 0) - scrollMode = XawtextScrollAlways; - else if (strcmp(name, "false") == 0 || strcmp(name, "0") == 0) - scrollMode = XawtextScrollNever; - else - XtStringConversionWarning((char *)fromVal->addr, XtRScrollMode); - - done(&scrollMode, XawTextScrollMode); -} - -/*ARGSUSED*/ -static Boolean -CvtScrollModeToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, XtPointer *data) -{ - static char *buffer; - Cardinal size; - - switch (*(XawTextScrollMode *)fromVal->addr) { - case XawtextScrollNever: - case XawtextScrollWhenNeeded: - buffer = XtEtextScrollNever; - break; - case XawtextScrollAlways: - buffer = XtEtextScrollAlways; - break; - default: - XawTypeToStringWarning(dpy, XtRScrollMode); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -/*ARGSUSED*/ -static void -CvtStringToWrapMode(XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal) -{ - static XawTextWrapMode wrapMode = XawtextWrapNever; - XrmQuark q; - char lowerName[6]; - - XmuNCopyISOLatin1Lowered(lowerName, (char *)fromVal->addr, - sizeof(lowerName)); - q = XrmStringToQuark(lowerName); - - if (q == QWrapNever) - wrapMode = XawtextWrapNever; - else if (q == QWrapLine) - wrapMode = XawtextWrapLine; - else if (q == QWrapWord) - wrapMode = XawtextWrapWord; - else - XtStringConversionWarning((char *)fromVal->addr, XtRWrapMode); - - done(&wrapMode, XawTextWrapMode); -} - -/*ARGSUSED*/ -static Boolean -CvtWrapModeToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, XtPointer *data) -{ - static char *buffer; - Cardinal size; - - switch (*(XawTextWrapMode *)fromVal->addr) { - case XawtextWrapNever: - buffer = XtEtextWrapNever; - break; - case XawtextWrapLine: - buffer = XtEtextWrapLine; - break; - case XawtextWrapWord: - buffer = XtEtextWrapWord; - break; - default: - XawTypeToStringWarning(dpy, XtRWrapMode); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -/*ARGSUSED*/ -static Boolean -CvtStringToJustifyMode(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, XtPointer *data) -{ - XawTextJustifyMode justify; - XrmQuark q; - char lowerName[8]; - - XmuNCopyISOLatin1Lowered(lowerName, (char *)fromVal->addr, - sizeof(lowerName)); - q = XrmStringToQuark(lowerName); - - if (q == QJustifyLeft) - justify = XawjustifyLeft; - else if (q == QJustifyRight) - justify = XawjustifyRight; - else if (q == QJustifyCenter) - justify = XawjustifyCenter; - else if(q == QJustifyFull) - justify = XawjustifyFull; - else { - XtStringConversionWarning((char *)fromVal->addr, XtRJustifyMode); - return (False); - } - - toVal->size = sizeof(XawTextJustifyMode); - *(XawTextJustifyMode *)(toVal->addr) = justify; - - return (True); -} - - -/*ARGSUSED*/ -static Boolean -CvtJustifyModeToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, XtPointer *data) -{ - static char *buffer; - Cardinal size; - - switch (*(XawTextJustifyMode *)fromVal->addr) { - case XawjustifyLeft: - buffer = XtEtextJustifyLeft; - break; - case XawjustifyRight: - buffer = XtEtextJustifyRight; - break; - case XawjustifyCenter: - buffer = XtEtextJustifyCenter; - break; - case XawjustifyFull: - buffer = XtEtextJustifyFull; - break; - default: - XawTypeToStringWarning(dpy, XtRJustifyMode); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -#undef done - -static void -XawTextClassInitialize(void) -{ - if (!XawFmt8Bit) - FMT8BIT = XawFmt8Bit = XrmPermStringToQuark("FMT8BIT"); - if (!XawFmtWide) - XawFmtWide = XrmPermStringToQuark("FMTWIDE"); - - XawInitializeWidgetSet(); - - textClassRec.core_class.num_actions = _XawTextActionsTableCount; - - QWrapNever = XrmPermStringToQuark(XtEtextWrapNever); - QWrapLine = XrmPermStringToQuark(XtEtextWrapLine); - QWrapWord = XrmPermStringToQuark(XtEtextWrapWord); - XtAddConverter(XtRString, XtRWrapMode, CvtStringToWrapMode, NULL, 0); - XtSetTypeConverter(XtRWrapMode, XtRString, CvtWrapModeToString, - NULL, 0, XtCacheNone, NULL); - QScrollNever = XrmPermStringToQuark(XtEtextScrollNever); - QScrollWhenNeeded = XrmPermStringToQuark(XtEtextScrollWhenNeeded); - QScrollAlways = XrmPermStringToQuark(XtEtextScrollAlways); - XtAddConverter(XtRString, XtRScrollMode, CvtStringToScrollMode, - NULL, 0); - XtSetTypeConverter(XtRScrollMode, XtRString, CvtScrollModeToString, - NULL, 0, XtCacheNone, NULL); - QJustifyLeft = XrmPermStringToQuark(XtEtextJustifyLeft); - QJustifyRight = XrmPermStringToQuark(XtEtextJustifyRight); - QJustifyCenter = XrmPermStringToQuark(XtEtextJustifyCenter); - QJustifyFull = XrmPermStringToQuark(XtEtextJustifyFull); - XtSetTypeConverter(XtRString, XtRJustifyMode, CvtStringToJustifyMode, - NULL, 0, XtCacheNone, NULL); - XtSetTypeConverter(XtRJustifyMode, XtRString, CvtJustifyModeToString, - NULL, 0, XtCacheNone, NULL); -} - -/* - * Function: - * PositionHScrollBar - * - * Parameters: - * ctx - text widget - * - * Description: - * Positions the Horizontal scrollbar. - */ -static void -PositionHScrollBar(TextWidget ctx) -{ - Widget hbar = ctx->text.hbar, vbar = ctx->text.vbar; - Position x, y; - Dimension width, height; - - if (ctx->text.hbar == NULL) - return; - - if (vbar != NULL) - x = XtWidth(vbar); - else - x = -XtBorderWidth(hbar); - y = XtHeight(ctx) - XtHeight(hbar) - XtBorderWidth(hbar); - if (vbar != NULL) { - width = XtWidth(ctx) - XtWidth(vbar) - XtBorderWidth(vbar); - if (width > XtWidth(ctx)) - width = XtWidth(ctx); - } - else - width = XtWidth(ctx); - height = XtHeight(hbar); - - XtConfigureWidget(hbar, x, y, width, height, XtBorderWidth(hbar)); -} - -/* - * Function: - * PositionVScrollBar - * - * Parameters: - * ctx - text widget - * - * Description: - * Positions the Vertical scrollbar. - */ -static void -PositionVScrollBar(TextWidget ctx) -{ - Widget vbar = ctx->text.vbar; - Position x, y; - Dimension width, height; - - if (vbar == NULL) - return; - - x = y = -XtBorderWidth(vbar); - height = XtHeight(ctx); - width = XtWidth(vbar); - - XtConfigureWidget(vbar, x, y, width, height, XtBorderWidth(vbar)); -} - -static void -CreateVScrollBar(TextWidget ctx) -{ - Widget vbar; - - if (ctx->text.vbar != NULL) - return; - - ctx->text.vbar = vbar = - XtCreateWidget("vScrollbar", scrollbarWidgetClass, (Widget)ctx, NULL, 0); - XtAddCallback(vbar, XtNscrollProc, VScroll, (XtPointer)ctx); - XtAddCallback(vbar, XtNjumpProc, VJump, (XtPointer)ctx); - - ctx->text.r_margin.left += XtWidth(vbar) + XtBorderWidth(vbar); - ctx->text.left_margin = ctx->text.margin.left = ctx->text.r_margin.left; - - PositionVScrollBar(ctx); - PositionHScrollBar(ctx); - TextSinkResize(ctx->text.sink); - - if (XtIsRealized((Widget)ctx)) { - XtRealizeWidget(vbar); - XtMapWidget(vbar); - } - XtSetKeyboardFocus(vbar, (Widget)ctx); -} - -/* - * Function: - * DestroyVScrollBar - * - * Parameters: - * ctx - parent text widget - * - * Description: - * Removes vertical ScrollBar. - */ -static void -DestroyVScrollBar(TextWidget ctx) -{ - Widget vbar = ctx->text.vbar; - - if (vbar == NULL) - return; - - ctx->text.r_margin.left -= XtWidth(vbar) + XtBorderWidth(vbar); - ctx->text.left_margin = ctx->text.margin.left = ctx->text.r_margin.left; - - XtDestroyWidget(vbar); - ctx->text.vbar = NULL; - if (!ctx->core.being_destroyed) { - PositionHScrollBar(ctx); - TextSinkResize(ctx->text.sink); - } -} - -static void -CreateHScrollBar(TextWidget ctx) -{ - Arg args[1]; - Widget hbar; - int bottom; - - if (ctx->text.hbar != NULL) - return; - - XtSetArg(args[0], XtNorientation, XtorientHorizontal); - ctx->text.hbar = hbar = - XtCreateWidget("hScrollbar", scrollbarWidgetClass, (Widget)ctx, args, 1); - XtAddCallback(hbar, XtNscrollProc, HScroll, (XtPointer)ctx); - XtAddCallback(hbar, XtNjumpProc, HJump, (XtPointer)ctx); - - bottom = ctx->text.r_margin.bottom + XtHeight(hbar) + XtBorderWidth(hbar); - - ctx->text.margin.bottom = ctx->text.r_margin.bottom = bottom; - - PositionHScrollBar(ctx); - TextSinkResize(ctx->text.sink); - - if (XtIsRealized((Widget)ctx)) { - XtRealizeWidget(hbar); - XtMapWidget(hbar); - } - XtSetKeyboardFocus(hbar, (Widget)ctx); -} - -/* - * Function: - * DestroyHScrollBar - * - * Parameters: - * ctx - parent text widget - * - * Description: - * Removes horizontal ScrollBar. - */ -static void -DestroyHScrollBar(TextWidget ctx) -{ - Widget hbar = ctx->text.hbar; - - if (hbar == NULL) - return; - - ctx->text.r_margin.bottom -= XtHeight(hbar) + XtBorderWidth(hbar); - ctx->text.margin.bottom = ctx->text.r_margin.bottom; - - XtDestroyWidget(hbar); - ctx->text.hbar = NULL; - if (!ctx->core.being_destroyed) - TextSinkResize(ctx->text.sink); -} - -/*ARGSUSED*/ -static void -XawTextInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TextWidget ctx = (TextWidget)cnew; - - ctx->text.lt.lines = 0; - ctx->text.lt.info = (XawTextLineTableEntry *) - XtCalloc(1, sizeof(XawTextLineTableEntry)); -#ifndef OLDXAW - ctx->text.lt.base_line = 1; -#endif - (void)bzero(&ctx->text.origSel, sizeof(XawTextSelection)); - (void)bzero(&ctx->text.s, sizeof(XawTextSelection)); - ctx->text.s.type = XawselectPosition; - ctx->text.salt = NULL; - ctx->text.hbar = ctx->text.vbar = NULL; - ctx->text.lasttime = 0; - ctx->text.time = 0; - ctx->text.showposition = True; - ctx->text.lastPos = ctx->text.source != NULL ? - XawTextGetLastPosition(ctx) : 0; - ctx->text.file_insert = NULL; - ctx->text.search = NULL; - ctx->text.update = XmuNewScanline(0, 0, 0); - ctx->text.gc = XtGetGC(cnew, 0, 0); - ctx->text.hasfocus = False; - ctx->text.margin = ctx->text.r_margin; /* Strucure copy */ - ctx->text.left_margin = ctx->text.r_margin.left; - ctx->text.update_disabled = False; - ctx->text.clear_to_eol = True; - ctx->text.old_insert = -1; - ctx->text.mult = 1; - ctx->text.salt2 = NULL; - ctx->text.from_left = -1; - -#ifndef OLDXAW - ctx->text.numeric = False; - ctx->text.selection_state = False; - ctx->text.kill_ring = 0; - - ctx->text.line_number = -1; - ctx->text.column_number = -1; - ctx->text.source_changed = SRC_CHANGE_NONE; - - ctx->text.kill_ring_ptr = NULL; - ctx->text.overwrite = False; -#endif - - if (XtHeight(ctx) == DEFAULT_TEXT_HEIGHT) { - XtHeight(ctx) = VMargins(ctx); - if (ctx->text.sink != NULL) - XtHeight(ctx) += XawTextSinkMaxHeight(ctx->text.sink, 1); - } - - if (ctx->text.scroll_vert == XawtextScrollAlways) - CreateVScrollBar(ctx); - if (ctx->text.scroll_horiz == XawtextScrollAlways) - CreateHScrollBar(ctx); - -#ifndef OLDXAW - if (ctx->text.left_column < 0) - ctx->text.left_column = 0; - if (ctx->text.right_column < 0) - ctx->text.right_column = 0; -#endif -} - -static void -XawTextRealize(Widget w, XtValueMask *mask, XSetWindowAttributes *attr) -{ - TextWidget ctx = (TextWidget)w; - - (*textClassRec.core_class.superclass->core_class.realize)(w, mask, attr); - - if (ctx->text.hbar != NULL) { - XtRealizeWidget(ctx->text.hbar); - XtMapWidget(ctx->text.hbar); - } - - if (ctx->text.vbar != NULL) { - XtRealizeWidget(ctx->text.vbar); - XtMapWidget(ctx->text.vbar); - } - - _XawTextBuildLineTable(ctx, ctx->text.lt.top, True); - -#ifndef OLDXAW - _XawTextSetLineAndColumnNumber(ctx, True); -#endif -} - -/* Utility routines for support of Text */ -static void -_CreateCutBuffers(Display *d) -{ - static struct _DisplayRec { - struct _DisplayRec *next; - Display *dpy; - } *dpy_list = NULL; - struct _DisplayRec *dpy_ptr; - - for (dpy_ptr = dpy_list; dpy_ptr != NULL; dpy_ptr = dpy_ptr->next) - if (dpy_ptr->dpy == d) - return; - - dpy_ptr = XtNew(struct _DisplayRec); - dpy_ptr->next = dpy_list; - dpy_ptr->dpy = d; - dpy_list = dpy_ptr; - -#define Create(buffer) \ - XChangeProperty(d, RootWindow(d, 0), buffer, XA_STRING, 8, \ - PropModeAppend, NULL, 0); - - Create(XA_CUT_BUFFER0); - Create(XA_CUT_BUFFER1); - Create(XA_CUT_BUFFER2); - Create(XA_CUT_BUFFER3); - Create(XA_CUT_BUFFER4); - Create(XA_CUT_BUFFER5); - Create(XA_CUT_BUFFER6); - Create(XA_CUT_BUFFER7); - -#undef Create -} - -/* - * Procedure to manage insert cursor visibility for editable text. It uses - * the value of ctx->insertPos and an implicit argument. In the event that - * position is immediately preceded by an eol graphic, then the insert cursor - * is displayed at the beginning of the next line. - */ -static void -InsertCursor(Widget w, XawTextInsertState state) -{ - TextWidget ctx = (TextWidget)w; - int x, y; - int line; - - if (ctx->text.lt.lines < 1) - return; - - if (ctx->text.display_caret && - LineAndXYForPosition(ctx, ctx->text.insertPos, &line, &x, &y)) { - if (line < ctx->text.lt.lines) - y += (ctx->text.lt.info[line + 1].y - ctx->text.lt.info[line].y) + 1; - else - y += (ctx->text.lt.info[line].y - ctx->text.lt.info[line - 1].y) + 1; - - XawTextSinkInsertCursor(ctx->text.sink, x, y, state); - } - - /* Keep Input Method up to speed */ - if (ctx->simple.international) { - Arg list[1]; - - XtSetArg(list[0], XtNinsertPosition, ctx->text.insertPos); - _XawImSetValues(w, list, 1); - } -} - -/* - * Procedure to register a span of text that is no longer valid on the display - * It is used to avoid a number of small, and potentially overlapping, screen - * updates. -*/ -void -_XawTextNeedsUpdating(TextWidget ctx, - XawTextPosition left, XawTextPosition right) -{ - XmuSegment segment; - - if (left >= right) - return; - - segment.x1 = (int)left; - segment.x2 = (int)right; - (void)XmuScanlineOrSegment(ctx->text.update, &segment); -} - -/* - * Procedure to read a span of text in Ascii form. This is purely a hack and - * we probably need to add a function to sources to provide this functionality. - * [note: this is really a private procedure but is used in multiple modules]. - */ -char * -_XawTextGetText(TextWidget ctx, XawTextPosition left, XawTextPosition right) -{ - char *result, *tempResult; - XawTextBlock text; - int bytes; - - if (XawTextFormat(ctx, XawFmt8Bit)) - bytes = sizeof(unsigned char); - else if (XawTextFormat(ctx, XawFmtWide)) - bytes = sizeof(wchar_t); - else /* if there is another fomat, add here */ - bytes = 1; - - /* leave space for ZERO */ - tempResult = result = XtMalloc((unsigned)(right - left + ONE) * bytes); - - while (left < right) { - left = SrcRead(ctx->text.source, left, &text, (int)(right - left)); - if (!text.length) - break; - memmove(tempResult, text.ptr, (unsigned)(text.length * bytes)); - tempResult += text.length * bytes; - } - - if (bytes == sizeof(wchar_t)) - *((wchar_t*)tempResult) = (wchar_t)0; - else - *tempResult = '\0'; - - return (result); -} - -/* Like _XawTextGetText, but enforces ICCCM STRING type encoding. This - * routine is currently used to put just the ASCII chars in the selection - * into a cut buffer. - */ -char * -_XawTextGetSTRING(TextWidget ctx, XawTextPosition left, XawTextPosition right) -{ - unsigned char *s; - unsigned char c; - long i, j, n; - wchar_t *ws, wc; - - /* allow ESC in accordance with ICCCM */ - if (XawTextFormat(ctx, XawFmtWide)) { - MultiSinkObject sink = (MultiSinkObject)ctx->text.sink; - ws = (wchar_t *)_XawTextGetText(ctx, left, right); - n = wcslen(ws); - for (j = 0, i = 0; j < n; j++) { - wc = ws[j]; - if (XwcTextEscapement (sink->multi_sink.fontset, &wc, 1) - || (wc == _Xaw_atowc(XawTAB)) || (wc == _Xaw_atowc(XawLF)) - || (wc == _Xaw_atowc(XawESC))) - ws[i++] = wc; - } - ws[i] = (wchar_t)0; - return ((char *)ws); - } - else { - s = (unsigned char *)_XawTextGetText(ctx, left, right); - /* only HT and NL control chars are allowed, strip out others */ - n = strlen((char *)s); - i = 0; - for (j = 0; j < n; j++) { - c = s[j]; - if (((c >= 0x20) && c <= 0x7f) - ||(c >= 0xa0) || (c == XawTAB) || (c == XawLF) - || (c == XawESC)) { - s[i] = c; - i++; - } - } - s[i] = 0; - - return ((char *)s); - } -} - -/* - * This routine maps an x and y position in a window that is displaying text - * into the corresponding position in the source. - */ -static XawTextPosition -PositionForXY(TextWidget ctx, int x, int y) -{ - int fromx, line, width, height; - XawTextPosition position; - - if (ctx->text.lt.lines == 0) - return (0); - - for (line = 0; line < ctx->text.lt.lines - 1; line++) { - if (y <= ctx->text.lt.info[line + 1].y) - break; - } - position = ctx->text.lt.info[line].position; - if (position >= ctx->text.lastPos) - return (ctx->text.lastPos); - fromx = ctx->text.left_margin; - XawTextSinkFindPosition(ctx->text.sink, position, fromx, x - fromx, - False, &position, &width, &height); - - if (position > ctx->text.lastPos) - return (ctx->text.lastPos); - - if (position >= ctx->text.lt.info[line + 1].position) - position = SrcScan(ctx->text.source, ctx->text.lt.info[line + 1].position, - XawstPositions, XawsdLeft, 1, True); - - return (position); -} - -/* - * This routine maps a source position in to the corresponding line number - * of the text that is displayed in the window. - */ -static int -LineForPosition(TextWidget ctx, XawTextPosition position) -{ - int line; - - for (line = 0; line < ctx->text.lt.lines; line++) - if (position < ctx->text.lt.info[line + 1].position) - break; - - return (line); -} - -/* - * This routine maps a source position into the corresponding line number - * and the x, y coordinates of the text that is displayed in the window. - */ -static Bool -LineAndXYForPosition(TextWidget ctx, XawTextPosition pos, - int *line, int *x, int *y) -{ - XawTextPosition linePos, endPos; - Boolean visible; - int realW, realH; - - *line = 0; - *x = ctx->text.left_margin; - *y = ctx->text.margin.top + 1; - if ((visible = IsPositionVisible(ctx, pos)) != False) { - *line = LineForPosition(ctx, pos); - *y = ctx->text.lt.info[*line].y; - linePos = ctx->text.lt.info[*line].position; - XawTextSinkFindDistance(ctx->text.sink, linePos, - *x, pos, &realW, &endPos, &realH); - *x += realW; - } - - return (visible); -} - -/* - * This routine builds a line table. It does this by starting at the - * specified position and measuring text to determine the staring position - * of each line to be displayed. It also determines and saves in the - * linetable all the required metrics for displaying a given line (e.g. - * x offset, y offset, line length, etc.). - */ -void -_XawTextBuildLineTable(TextWidget ctx, XawTextPosition position, - _XtBoolean force_rebuild) -{ - Dimension height = 0; - int lines = 0; - Cardinal size; - - if ((int)XtHeight(ctx) > VMargins(ctx)) { - height = XtHeight(ctx) - VMargins(ctx); - lines = XawTextSinkMaxLines(ctx->text.sink, height); - } - size = sizeof(XawTextLineTableEntry) * (lines + 1); - - if (lines != ctx->text.lt.lines || ctx->text.lt.info == NULL) { - ctx->text.lt.info = (XawTextLineTableEntry *) - XtRealloc((char *)ctx->text.lt.info, size); - ctx->text.lt.lines = lines; - force_rebuild = True; - } - - if (force_rebuild) { - (void)bzero((char *)ctx->text.lt.info, size); - /* force a text update in the first text line if it is visible */ - ctx->text.lt.info[0].position = (XawTextPosition)-1; - } - if (position != ctx->text.lt.info[0].position) { - (void)_BuildLineTable(ctx, position, 0); - ctx->text.clear_to_eol = True; - } -} - -/* - * We may need to resize the line table here, since there maybe lines with - * different fonts (that can be shorter or taller than the default one) - */ -static XawTextPosition -_BuildLineTable(TextWidget ctx, XawTextPosition position, int line) -{ - XawTextLineTableEntry *lt = ctx->text.lt.info + line; - XawTextPosition end, update_from = -1; - Position y; - int wwidth, width, height; -#ifndef OLDXAW - Widget src = ctx->text.source; -#endif - int max_y = (int)XtHeight(ctx) - (int)ctx->text.margin.bottom; - - if (ctx->text.wrap == XawtextWrapNever) - wwidth = 0x7fffffff; - else - wwidth = GetMaxTextWidth(ctx); - - /* XXX y may change, due to font size changes. See later */ - y = line == 0 ? ctx->text.margin.top : lt->y; - -#ifndef OLDXAW - if (ctx->text.lt.base_line < 0) { - if (line == 0) - ctx->text.lt.top = position; - } - else if (line == 0) { - XawTextPosition pos = ctx->text.lt.top; - int base_line = ctx->text.lt.base_line; - - if (position == 0) - base_line = 1; - else if (ctx->text.lt.base_line == 0 || - ctx->text.source_changed == SRC_CHANGE_OVERLAP) { - pos = 0; - base_line = 1; - - while (pos < position) { - pos = SrcScan(src, pos, XawstEOL, XawsdRight, 1, True); - if (pos <= position) { - ++base_line; - if (pos == ctx->text.lastPos) { - base_line -= !_XawTextSourceNewLineAtEOF(src); - break; - } - } - } - } - else if (ctx->text.wrap == XawtextWrapNever - && IsPositionVisible(ctx, position)) - base_line += LineForPosition(ctx, position); - else if (pos < position) { - while (pos < position) { - pos = SrcScan(src, pos, XawstEOL, XawsdRight, 1, True); - if (pos <= position) { - ++base_line; - if (pos == ctx->text.lastPos) { - base_line -= !_XawTextSourceNewLineAtEOF(src); - break; - } - } - } - } - else if (pos > position) { - while (pos > position) { - pos = SrcScan(src, pos, XawstEOL, XawsdLeft, 1, False); - if (--pos >= position) - --base_line; - } - } - - ctx->text.lt.top = position; - ctx->text.lt.base_line = base_line; - } -#else - if (line == 0) - ctx->text.lt.top = position; -#endif - - /* CONSTCOND */ - while (True) { - XawTextSinkFindPosition(ctx->text.sink, position, ctx->text.left_margin, - wwidth, ctx->text.wrap == XawtextWrapWord, - &end, &width, &height); - - if (lt->position != position) { - _XawTextNeedsUpdating(ctx, position, - end <= position ? position + 1 : end); - ctx->text.clear_to_eol = True; - lt->position = position; - } - if (lt->y != y) { - if (update_from < 0) - update_from = line == 0 ? - ctx->text.lt.info[0].position : - ctx->text.lt.info[line - 1].position; - lt->y = y; - ctx->text.clear_to_eol = True; - } - if (lt->textWidth != width) { - if (lt->textWidth > width) - ctx->text.clear_to_eol = True; - lt->textWidth = width; - } - y += height; - - if (end > ctx->text.lastPos) { - position = end; - ctx->text.clear_to_eol = True; - _XawTextNeedsUpdating(ctx, end, end + ctx->text.lt.lines - line); - while (line++ < ctx->text.lt.lines) { - if (line > 1 && y > max_y) { - ctx->text.lt.lines = line - 1; - break; - } - ++lt; - if (lt->y != y) { - if (update_from < 0) - update_from = line < 2 ? - ctx->text.lt.info[0].position : - ctx->text.lt.info[line - 2].position; - lt->y = y; - } - lt->position = ++position; - lt->textWidth = 0; - y += height; - } - if (update_from >= 0) - _XawTextNeedsUpdating(ctx, update_from, - ctx->text.lt.info[ctx->text.lt.lines].position); - _XawTextSetScrollBars(ctx); - - return (ctx->text.lastPos); - } - - if (line && y > max_y) - /* will return in the next loop */ - ctx->text.lt.lines = line; - - if (++line > ctx->text.lt.lines && y < max_y) { - /* grow the line table */ - ctx->text.lt.info = (XawTextLineTableEntry *) - XtRealloc((char *)ctx->text.lt.info, - sizeof(XawTextLineTableEntry) * (line + 1)); - lt = ctx->text.lt.info + line; - bzero(lt, sizeof(XawTextLineTableEntry)); - ++ctx->text.lt.lines; - } - else - ++lt; - if (position == end) - ++position; - else - position = end; - - if (line > ctx->text.lt.lines) { - if (update_from >= 0) - _XawTextNeedsUpdating(ctx, update_from, - ctx->text.lt.info[ctx->text.lt.lines].position); - _XawTextSetScrollBars(ctx); - - return (position); - } - } - /*NOTREACHED*/ -} - -/* - * Function: - * GetWidestLine - * - * Parameters: - * ctx - text widget - * - * Description: - * Returns the width (in pixels) of the widest line that - * is currently visable. - * - * Returns: - * The width of the widest line - */ -static unsigned int -GetWidestLine(TextWidget ctx) -{ - int i; - unsigned int widest; - XawTextLineTablePtr lt = &(ctx->text.lt); - - for (i = 0, widest = 0; i < lt->lines; i++) - if (widest < lt->info[i].textWidth) - widest = lt->info[i].textWidth; - - return (widest); -} - -/* - * This routine is used by Text to notify an associated scrollbar of the - * correct metrics (position and shown fraction) for the text being currently - * displayed in the window. - */ -void -_XawTextSetScrollBars(TextWidget ctx) -{ - float first, last, denom, widest; - - if (ctx->text.scroll_vert == XawtextScrollAlways) { - if (ctx->text.lastPos == 0) - first = 0.0; - else - first = ctx->text.lt.top / (float)ctx->text.lastPos; - - if (ctx->text.lt.info[ctx->text.lt.lines].position < ctx->text.lastPos) - last = ctx->text.lt.info[ctx->text.lt.lines].position / - (float)ctx->text.lastPos; - else - last = 1.0; - - XawScrollbarSetThumb(ctx->text.vbar, first, last - first); - } - - if (ctx->text.scroll_horiz == XawtextScrollAlways) { - denom = GetWidestLine(ctx); - if (denom <= 0) - denom = (int)XtWidth(ctx) - RHMargins(ctx); - if (denom <= 0) - denom = 1; - widest = ((int)XtWidth(ctx) - RHMargins(ctx)) / denom; - first = ctx->text.r_margin.left - ctx->text.left_margin; - first /= denom; - - XawScrollbarSetThumb(ctx->text.hbar, first, widest); - } -} - -static void -DoCopyArea(TextWidget ctx, int src_x, int src_y, - unsigned int width, unsigned int height, int dst_x, int dst_y) -{ - int x1, y1, x2, y2; - - x1 = ctx->text.r_margin.left; - y1 = ctx->text.r_margin.top; - x2 = XtWidth(ctx) - ctx->text.r_margin.right; - y2 = XtHeight(ctx) - ctx->text.r_margin.bottom; - - if (x1 >= x2 || y1 >= y2) - return; - - src_x = XawMax(x1, XawMin(src_x, x2)); - src_y = XawMax(y1, XawMin(src_y, y2)); - dst_x = XawMax(x1, XawMin(dst_x, x2)); - dst_y = XawMax(y1, XawMin(dst_y, y2)); - width = XawMax(0, XawMin(x2 - dst_x, (int)width)); - height = XawMax(0, XawMin(y2 - dst_y, (int)height)); - - XCopyArea(XtDisplay(ctx), XtWindow(ctx), XtWindow(ctx), ctx->text.gc, - src_x, src_y, width, height, dst_x, dst_y); -} - -/* - * Function: - * XawTextScroll - * - * Parameters: - * ctx - text widget - * vlines - number of lines to scroll vertically - * hpixels - number of pixels to scroll horizontally - * - * Description: - * Generic function for scrolling the text window. - * Allows vertical and horizontal scroll at the same time. - */ -void -XawTextScroll(TextWidget ctx, int vlines, int hpixels) -{ - XawTextPosition top, tmp, update_from, update_to; - XawTextLineTable *lt; - Arg arglist[1]; - int y0, y1, y2, count, dim, wwidth, lines = ctx->text.lt.lines; - int vwidth, vheight; /* visible width and height */ - Bool scroll; - - vwidth = (int)XtWidth(ctx) - RHMargins(ctx); - vheight = (int)XtHeight(ctx) - RVMargins(ctx); - lt = &ctx->text.lt; - - if (!lt || vwidth <= 0 || vheight <= 0) - return; - - if ((scroll = ctx->core.background_pixmap == XtUnspecifiedPixmap) == True) { - dim = lt->info[1].y - lt->info[0].y; - for (count = 1; count < lt->lines - 1; count++) - if (lt->info[count + 1].y - lt->info[count].y != dim) { - scroll = False; - break; - } - } - - wwidth = GetMaxTextWidth(ctx); - - /* - * Do the horizontall scrolling - */ - if (hpixels < 0 && ctx->text.left_margin - hpixels > ctx->text.r_margin.left) - hpixels = ctx->text.left_margin - ctx->text.r_margin.left; - ctx->text.left_margin -= hpixels; - - update_from = lt->top; /* remember the old value */ - /* - * Checks the requested number of lines and calculates the top - * of the line table - */ - if (vlines < 0) { /* VScroll Up */ - if (IsPositionVisible(ctx, 0)) - vlines = 0; - else if (ctx->text.wrap != XawtextWrapNever) { - XawTextPosition end; - int n_lines = 0; - - count = -vlines; - end = lt->top; - while (n_lines < count) { - top = SrcScan(ctx->text.source, end, XawstEOL, - XawsdLeft, 2, False); - n_lines += CountLines(ctx, top, end); - end = top; - } - - while (count++ < n_lines) { - tmp = top; - XawTextSinkFindPosition(ctx->text.sink, top, - ctx->text.left_margin, - wwidth,ctx->text.wrap == XawtextWrapWord, - &top, &dim, &dim); - if (tmp == top) - ++top; - } - } - else - top = SrcScan(ctx->text.source, lt->top, XawstEOL, - XawsdLeft, -vlines + 1, False); - if (-vlines >= ctx->text.lt.lines) - scroll = False; - } - else if (vlines > 0) { /* VScroll Down */ - if (LineForPosition(ctx, ctx->text.lastPos) == 0) - vlines = 0; - if (vlines < lt->lines) - top = XawMin(lt->info[vlines].position, ctx->text.lastPos); - else if (ctx->text.wrap == XawtextWrapNever) - top = SrcScan(ctx->text.source, - SrcScan(ctx->text.source, lt->top, - XawstEOL, XawsdRight, vlines, - True), - XawstEOL, XawsdLeft, 1, False); - else { - top = lt->top; - count = 0; - while (count++ < vlines) { - tmp = top; - XawTextSinkFindPosition(ctx->text.sink, top, - ctx->text.left_margin, - wwidth, ctx->text.wrap == XawtextWrapWord, - &top, &dim, &dim); - if (tmp == top) - ++top; - } - } - if (vlines >= ctx->text.lt.lines - || lt->info[vlines].position >= ctx->text.lastPos) - scroll = False; - } - - if (!vlines) { - if (hpixels) { - ClearWindow(ctx); - ctx->text.clear_to_eol = True; - } - _XawTextSetScrollBars(ctx); - return; - } - - /* Flushes any pending updates. Normally, there may be a call to - * XawTextUnsetSelection not yet updated. - */ - if (!hpixels && scroll) { - ctx->text.clear_to_eol = True; - FlushUpdate(ctx); - } - - /* - * Rebuild the line table, doing the vertical scroll - */ - (void)_BuildLineTable(ctx, top, 0); - lt = &ctx->text.lt; - if (scroll) { - for (count = 0; count < lt->lines - 1; count++) - if (lt->info[count + 1].y - lt->info[count].y != dim) { - scroll = False; - break; - } - } - - XtSetArg(arglist[0], XtNinsertPosition, lt->top + lt->lines); - _XawImSetValues((Widget)ctx, arglist, 1); - - if (hpixels || !scroll || lines != lt->lines) - return; - - /* _BuildLineTable updates everything if the top position changes. - * It is not required here. - */ - (void)XmuScanlineXor(ctx->text.update, ctx->text.update); - if (vlines < 0 && IsPositionVisible(ctx, 0)) - vlines = -LineForPosition(ctx, update_from); - - y0 = ctx->text.r_margin.top; - if (vlines < 0) { - update_from = lt->top; - update_to = lt->info[-vlines + 1].position - 1; - y1 = lt->info[lt->lines + vlines].y; - y2 = lt->info[-vlines].y; - DoCopyArea(ctx, ctx->text.r_margin.left, y0, vwidth, - y1 - y0, - ctx->text.r_margin.left, y2); - } - else { - update_from = lt->info[lt->lines - vlines].position; - update_to = lt->info[lt->lines].position; - y1 = lt->info[lt->lines - vlines].y; - y2 = lt->info[vlines].y; - DoCopyArea(ctx, ctx->text.r_margin.left, y2, - vwidth, lt->info[lt->lines].y - y2, - ctx->text.r_margin.left, y0); - } - _XawTextNeedsUpdating(ctx, update_from, update_to); - ctx->text.clear_to_eol = True; -} - -/* - * The routine will scroll the displayed text by lines. If the arg is - * positive, move up; otherwise, move down. [note: this is really a private - * procedure but is used in multiple modules]. - */ -void -_XawTextVScroll(TextWidget ctx, int n) -{ - XawTextScroll(ctx, n, 0); -} - -/*ARGSUSED*/ -static void -HScroll(Widget w, XtPointer closure, XtPointer callData) -{ - TextWidget ctx = (TextWidget)closure; - long pixels = (long)callData; - - if (pixels > 0) { - long max; - - max = (int)GetWidestLine(ctx) + ctx->text.left_margin - - ctx->text.r_margin.left; - max = XawMax(0, max); - pixels = XawMin(pixels, max); - } - - if (pixels) { - _XawTextPrepareToUpdate(ctx); - XawTextScroll(ctx, 0, pixels); - _XawTextExecuteUpdate(ctx); - } -} - -/*ARGSUSED*/ -static void -HJump(Widget w, XtPointer closure, XtPointer callData) -{ - TextWidget ctx = (TextWidget)closure; - float percent = *(float *)callData; - long pixels; - - pixels = ctx->text.left_margin - - (ctx->text.r_margin.left - (int)(percent * GetWidestLine(ctx))); - - HScroll(w, (XtPointer)ctx, (XtPointer)pixels); -} - -/* - * Function: - * UpdateTextInLine - * - * Parameters: - * ctx - text widget - * line - line to update - * x1 - left pixel - * x2 - right pixel - * - * Description: - * Updates the text in the given line and pixel interval - */ -static void -UpdateTextInLine(TextWidget ctx, int line, int x1, int x2) -{ - XawTextLineTableEntry *lt = ctx->text.lt.info + line; - XawTextPosition left, right; - int from_x, width, height; - - if (lt->position >= ctx->text.lastPos - || ctx->text.left_margin > x2 - || (int)lt->textWidth + ctx->text.left_margin < x1) { - /* Mark line to be cleared */ - if (ctx->text.clear_to_eol) - _XawTextNeedsUpdating(ctx, lt->position, lt->position + 1); - return; - } - - from_x = ctx->text.left_margin; - XawTextSinkFindPosition(ctx->text.sink, lt->position, - from_x, x1 - from_x, - False, &left, &width, &height); - if (line == ctx->text.lt.lines) - right = -1; - else if (x2 >= lt->textWidth - from_x) - right = lt[1].position - 1; - else { - from_x += width; - XawTextSinkFindPosition(ctx->text.sink, left, - from_x, x2 - from_x, - False, &right, &width, &height); - } - - if ((right < 0) || (right + 1 <= lt[1].position)) - ++right; - - /* Mark text interval to be repainted */ - _XawTextNeedsUpdating(ctx, left, right); -} - -/* - * The routine will scroll the displayed text by pixels. If the calldata is - * positive, move up; otherwise, move down. - */ -/*ARGSUSED*/ -static void -VScroll(Widget w, XtPointer closure, XtPointer callData) -{ - TextWidget ctx = (TextWidget)closure; - long height, lines = (long)callData; - - height = XtHeight(ctx) - VMargins(ctx); - if (height < 1) - height = 1; - lines = (lines * ctx->text.lt.lines) / height; - _XawTextPrepareToUpdate(ctx); - XawTextScroll(ctx, lines, 0); - _XawTextExecuteUpdate(ctx); -} - -/*ARGSUSED*/ -static void -VJump(Widget w, XtPointer closure, XtPointer callData) -{ - float percent = *(float *)callData; - TextWidget ctx = (TextWidget)closure; - XawTextPosition top, last, position, tmp; - XawTextLineTable *lt = &(ctx->text.lt); - int dim, vlines = 0, wwidth = GetMaxTextWidth(ctx); - Bool scroll = True; - - position = percent * ctx->text.lastPos; - top = lt->top; - - if (!lt->lines || (position >= lt->top && position < lt->info[1].position)) { - _XawTextSetScrollBars(ctx); - return; - } - -#ifndef OLDXAW - ctx->text.lt.base_line = -1; -#endif - - if (position > lt->top) { /* VScroll Up */ - if (position > lt->top && position < lt->info[lt->lines].position) - vlines = LineForPosition(ctx, position); - else { - scroll = False; - top = SrcScan(ctx->text.source, position, XawstEOL, - XawsdLeft, 1, False); - if (ctx->text.wrap != XawtextWrapNever) { - last = top; - while (last < position) { - tmp = last; - XawTextSinkFindPosition(ctx->text.sink, last, - ctx->text.left_margin, wwidth, - ctx->text.wrap == XawtextWrapWord, - &last, &dim, &dim); - if (last == tmp) - ++last; - if (last < position) - top = last; - } - } - } - } - else { /* VScroll Down */ - /* - * Calculates the number of lines - */ - while (top > position) { - last = top; - top = SrcScan(ctx->text.source, top, XawstEOL, - XawsdLeft, 2, False); - vlines -= CountLines(ctx, top, last); - if (-vlines >= ctx->text.lt.lines) { - scroll = False; - top = SrcScan(ctx->text.source, position, XawstEOL, - XawsdLeft, 1, False); - break; - } - } - /* - * Normalize - */ - if (ctx->text.wrap != XawtextWrapNever) { - last = top; - while (last < position) { - tmp = last; - XawTextSinkFindPosition(ctx->text.sink, last, - ctx->text.left_margin, - wwidth, - ctx->text.wrap == XawtextWrapWord, - &last, &dim, &dim); - if (last == tmp) - ++last; - if (last < position) - top = last; - ++vlines; - } - } - } - - if (vlines || !scroll) { - _XawTextPrepareToUpdate(ctx); - if (scroll) - XawTextScroll(ctx, vlines, 0); - else - _BuildLineTable(ctx, top, 0); - _XawTextExecuteUpdate(ctx); - } -} - -static Bool -MatchSelection(Atom selection, XawTextSelection *s) -{ - Atom *match; - int count; - - for (count = 0, match = s->selections; count < s->atom_count; - match++, count++) - if (*match == selection) - return (True); - - return (False); -} - -static Boolean -TextConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type, - XtPointer *value, unsigned long *length, int *format) -{ - Display *d = XtDisplay(w); - TextWidget ctx = (TextWidget)w; - Widget src = ctx->text.source; - XawTextEditType edit_mode; - Arg args[1]; - XawTextSelectionSalt *salt = NULL; - XawTextSelection *s; - - if (*target == XA_TARGETS(d)) { - Atom *targetP, *std_targets; - unsigned long std_length; - - if (SrcCvtSel(src, selection, target, type, value, length, format)) - return (True); - - XtSetArg(args[0], XtNeditType, &edit_mode); - XtGetValues(src, args, ONE); - - XmuConvertStandardSelection(w, ctx->text.time, selection, - target, type, (XPointer*)&std_targets, - &std_length, format); - - *length = 7 + (edit_mode == XawtextEdit) + std_length; - *value = XtMalloc((unsigned)sizeof(Atom)*(*length)); - targetP = *(Atom**)value; - *targetP++ = XA_STRING; - *targetP++ = XA_TEXT(d); - *targetP++ = XA_UTF8_STRING(d); - *targetP++ = XA_COMPOUND_TEXT(d); - *targetP++ = XA_LENGTH(d); - *targetP++ = XA_LIST_LENGTH(d); - *targetP++ = XA_CHARACTER_POSITION(d); - if (edit_mode == XawtextEdit) { - *targetP++ = XA_DELETE(d); - } - (void)memmove((char*)targetP, (char*)std_targets, - sizeof(Atom) * std_length); - XtFree((char*)std_targets); - *type = XA_ATOM; - *format = 32; - return (True); - } - - if (SrcCvtSel(src, selection, target, type, value, length, format)) - return (True); - - if (MatchSelection(*selection, &ctx->text.s)) - s = &ctx->text.s; - else { - for (salt = ctx->text.salt; salt; salt = salt->next) - if (MatchSelection(*selection, &salt->s)) - break; - if (!salt) - return (False); - s = &salt->s; - } - if (*target == XA_STRING - || *target == XA_TEXT(d) - || *target == XA_UTF8_STRING(d) - || *target == XA_COMPOUND_TEXT(d)) { - if (*target == XA_TEXT(d)) { - if (XawTextFormat(ctx, XawFmtWide)) - *type = XA_COMPOUND_TEXT(d); - else - *type = XA_STRING; - } - else - *type = *target; - /* - * If salt is True, the salt->contents stores CT string, - * its length is measured in bytes. - * Refer to _XawTextSaltAwaySelection(). - * - * by Li Yuhong, Mar. 20, 1991. - */ - if (!salt) { - *value = _XawTextGetSTRING(ctx, s->left, s->right); - if (XawTextFormat(ctx, XawFmtWide)) { - XTextProperty textprop; - if (XwcTextListToTextProperty(d, (wchar_t **)value, 1, - XCompoundTextStyle, &textprop) - < Success) { - XtFree((char *)*value); - return (False); - } - XtFree((char *)*value); - *value = (XtPointer)textprop.value; - *length = textprop.nitems; - } - else - *length = strlen((char *)*value); - } - else { - *value = XtMalloc((salt->length + 1) * sizeof(unsigned char)); - strcpy ((char *)*value, salt->contents); - *length = salt->length; - } - /* Got *value,*length, now in COMPOUND_TEXT format. */ - if (XawTextFormat(ctx, XawFmtWide) && *type == XA_STRING) { - XTextProperty textprop; - wchar_t **wlist; - int count; - - textprop.encoding = XA_COMPOUND_TEXT(d); - textprop.value = (unsigned char *)*value; - textprop.nitems = strlen(*value); - textprop.format = 8; - if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) - < Success - || count < 1) { - XtFree((char *)*value); - return (False); - } - XtFree((char *)*value); - if (XwcTextListToTextProperty(d, wlist, 1, XStringStyle, &textprop) - < Success) { - XwcFreeStringList((wchar_t**) wlist); - return (False); - } - *value = (XtPointer)textprop.value; - *length = textprop.nitems; - XwcFreeStringList(wlist); - } else if (*type == XA_UTF8_STRING(d)) { - XTextProperty textprop; - char **list; - int count; - - textprop.encoding = XA_COMPOUND_TEXT(d); - textprop.value = (unsigned char *)*value; - textprop.nitems = strlen(*value); - textprop.format = 8; - if (Xutf8TextPropertyToTextList(d, &textprop, &list, &count) - < Success - || count < 1) { - XtFree((char *)*value); - return (False); - } - XtFree((char *)*value); - *value = *list; - *length = strlen(*list); - XFree(list); - } - *format = 8; - return (True); - } - - if ((*target == XA_LIST_LENGTH(d)) || (*target == XA_LENGTH(d))) { - long * temp; - - temp = (long *)XtMalloc((unsigned)sizeof(long)); - if (*target == XA_LIST_LENGTH(d)) - *temp = 1L; - else /* *target == XA_LENGTH(d) */ - *temp = (long) (s->right - s->left); - - *value = (XPointer)temp; - *type = XA_INTEGER; - *length = 1L; - *format = 32; - return (True); - } - - if (*target == XA_CHARACTER_POSITION(d)) { - long * temp; - - temp = (long *)XtMalloc((unsigned)(2 * sizeof(long))); - temp[0] = (long)(s->left + 1); - temp[1] = s->right; - *value = (XPointer)temp; - *type = XA_SPAN(d); - *length = 2L; - *format = 32; - return (True); - } - - if (*target == XA_DELETE(d)) { - if (!salt) - _XawTextZapSelection(ctx, NULL, True); - *value = NULL; - *type = XA_NULL(d); - *length = 0; - *format = 32; - return (True); - } - - if (XmuConvertStandardSelection(w, ctx->text.time, selection, target, type, - (XPointer *)value, length, format)) - return (True); - - /* else */ - return (False); -} - -/* - * Function: - * GetCutBuffferNumber - * - * Parameters: - * atom - atom to check - * - * Description: - * Returns the number of the cut buffer. - * - * Returns: - * The number of the cut buffer representing this atom or NOT_A_CUT_BUFFER - */ -#define NOT_A_CUT_BUFFER -1 -static int -GetCutBufferNumber(Atom atom) -{ - if (atom == XA_CUT_BUFFER0) return (0); - if (atom == XA_CUT_BUFFER1) return (1); - if (atom == XA_CUT_BUFFER2) return (2); - if (atom == XA_CUT_BUFFER3) return (3); - if (atom == XA_CUT_BUFFER4) return (4); - if (atom == XA_CUT_BUFFER5) return (5); - if (atom == XA_CUT_BUFFER6) return (6); - if (atom == XA_CUT_BUFFER7) return (7); - return (NOT_A_CUT_BUFFER); -} - -static void -TextLoseSelection(Widget w, Atom *selection) -{ - TextWidget ctx = (TextWidget)w; - Atom *atomP; - int i; - XawTextSelectionSalt*salt, *prevSalt, *nextSalt; - - atomP = ctx->text.s.selections; - for (i = 0 ; i < ctx->text.s.atom_count; i++, atomP++) - if ((*selection == *atomP) - || (GetCutBufferNumber(*atomP) != NOT_A_CUT_BUFFER)) - *atomP = (Atom)0; - - while (ctx->text.s.atom_count - && ctx->text.s.selections[ctx->text.s.atom_count - 1] == 0) - ctx->text.s.atom_count--; - - /* - * Must walk the selection list in opposite order from UnsetSelection - */ - atomP = ctx->text.s.selections; - for (i = 0 ; i < ctx->text.s.atom_count; i++, atomP++) - if (*atomP == (Atom)0) { - *atomP = ctx->text.s.selections[--ctx->text.s.atom_count]; - while (ctx->text.s.atom_count - && ctx->text.s.selections[ctx->text.s.atom_count-1] == 0) - ctx->text.s.atom_count--; - } - - if (ctx->text.s.atom_count == 0) - ModifySelection(ctx, ctx->text.insertPos, ctx->text.insertPos); - - prevSalt = 0; - for (salt = ctx->text.salt; salt; salt = nextSalt) { - atomP = salt->s.selections; - nextSalt = salt->next; - for (i = 0 ; i < salt->s.atom_count; i++, atomP++) - if (*selection == *atomP) - *atomP = (Atom)0; - - while (salt->s.atom_count - && salt->s.selections[salt->s.atom_count-1] == 0) - salt->s.atom_count--; - - /* - * Must walk the selection list in opposite order from UnsetSelection - */ - atomP = salt->s.selections; - for (i = 0 ; i < salt->s.atom_count; i++, atomP++) - if (*atomP == (Atom)0) { - *atomP = salt->s.selections[--salt->s.atom_count]; - while (salt->s.atom_count - && salt->s.selections[salt->s.atom_count-1] == 0) - salt->s.atom_count--; - } - - if (salt->s.atom_count == 0) { - XtFree ((char *) salt->s.selections); - XtFree (salt->contents); - if (prevSalt) - prevSalt->next = nextSalt; - else - ctx->text.salt = nextSalt; - XtFree((char *)salt); - } - else - prevSalt = salt; - } -} - -void -_XawTextSaltAwaySelection(TextWidget ctx, Atom *selections, int num_atoms) -{ - XawTextSelectionSalt *salt; - int i, j; - - for (i = 0; i < num_atoms; i++) - TextLoseSelection((Widget)ctx, selections + i); - if (num_atoms == 0) - return; - salt = (XawTextSelectionSalt *) - XtMalloc((unsigned)sizeof(XawTextSelectionSalt)); - if (!salt) - return; - salt->s.selections = (Atom *)XtMalloc((unsigned)(num_atoms * sizeof(Atom))); - if (!salt->s.selections) { - XtFree((char *)salt); - return; - } - salt->s.left = ctx->text.s.left; - salt->s.right = ctx->text.s.right; - salt->s.type = ctx->text.s.type; - salt->contents = _XawTextGetSTRING(ctx, ctx->text.s.left, ctx->text.s.right); - if (XawTextFormat(ctx, XawFmtWide)) { - XTextProperty textprop; - if (XwcTextListToTextProperty(XtDisplay((Widget)ctx), - (wchar_t**)(&(salt->contents)), 1, - XCompoundTextStyle, - &textprop) < Success) { - XtFree(salt->contents); - salt->length = 0; - return; - } - XtFree(salt->contents); - salt->contents = (char *)textprop.value; - salt->length = textprop.nitems; - } - else - salt->length = strlen (salt->contents); - salt->next = ctx->text.salt; - ctx->text.salt = salt; - j = 0; - for (i = 0; i < num_atoms; i++) { - if (GetCutBufferNumber (selections[i]) == NOT_A_CUT_BUFFER) { - salt->s.selections[j++] = selections[i]; - XtOwnSelection((Widget)ctx, selections[i], ctx->text.time, - TextConvertSelection, TextLoseSelection, NULL); - } - } - salt->s.atom_count = j; -} - -static void -_SetSelection(TextWidget ctx, XawTextPosition left, XawTextPosition right, - Atom *selections, Cardinal count) -{ -#ifndef OLDXAW - Cardinal i; - XawTextPosition pos; - TextSrcObject src = (TextSrcObject)ctx->text.source; - - for (i = 0; i < src->textSrc.num_text; i++) { - TextWidget tw = (TextWidget)src->textSrc.text[i]; - Bool needs_updating = tw->text.old_insert < 0; - Bool showposition = tw->text.showposition; - - if (needs_updating) { - tw->text.showposition = False; - _XawTextPrepareToUpdate(tw); - } -#else - TextWidget tw = ctx; - XawTextPosition pos; -#endif /* OLDXAW */ - - if (left < tw->text.s.left) { - pos = Min(right, tw->text.s.left); - _XawTextNeedsUpdating(tw, left, pos); - } - if (left > tw->text.s.left) { - pos = Min(left, tw->text.s.right); - _XawTextNeedsUpdating(tw, tw->text.s.left, pos); - } - if (right < tw->text.s.right) { - pos = Max(right, tw->text.s.left); - _XawTextNeedsUpdating(tw, pos, tw->text.s.right); - } - if (right > tw->text.s.right) { - pos = Max(left, tw->text.s.right); - _XawTextNeedsUpdating(tw, pos, right); - } - - tw->text.s.left = left; - tw->text.s.right = right; - -#ifndef OLDXAW - if (needs_updating) { - _XawTextExecuteUpdate(tw); - tw->text.showposition = showposition; - } - } -#endif /* OLDXAW */ - - SrcSetSelection(ctx->text.source, left, right, - (count == 0) ? None : selections[0]); - - if (left < right) { - Widget w = (Widget)ctx; - int buffer; - - while (count) { - Atom selection = selections[--count]; - - /* - * If this is a cut buffer - */ - if ((buffer = GetCutBufferNumber(selection)) != NOT_A_CUT_BUFFER) { - unsigned char *ptr, *tptr; - unsigned int amount, max_len = MAX_CUT_LEN(XtDisplay(w)); - unsigned long len; - - tptr= ptr= (unsigned char *)_XawTextGetSTRING(ctx, - ctx->text.s.left, - ctx->text.s.right); - if (XawTextFormat(ctx, XawFmtWide)) { - /* - * Only XA_STRING(Latin 1) is allowed in CUT_BUFFER, - * so we get it from wchar string, then free the wchar string - */ - XTextProperty textprop; - - if (XwcTextListToTextProperty(XtDisplay(w), (wchar_t**)&ptr, - 1, XStringStyle, &textprop) - < Success){ - XtFree((char *)ptr); - return; - } - XtFree((char *)ptr); - tptr = ptr = textprop.value; - } - if (buffer == 0) { - _CreateCutBuffers(XtDisplay(w)); - XRotateBuffers(XtDisplay(w), 1); - } - amount = Min ((len = strlen((char *)ptr)), max_len); - XChangeProperty(XtDisplay(w), RootWindow(XtDisplay(w), 0), - selection, XA_STRING, 8, PropModeReplace, - ptr, amount); - - while (len > max_len) { - len -= max_len; - tptr += max_len; - amount = Min (len, max_len); - XChangeProperty(XtDisplay(w), RootWindow(XtDisplay(w), 0), - selection, XA_STRING, 8, PropModeAppend, - tptr, amount); - } - XtFree ((char *)ptr); - } - else /* This is a real selection */ - XtOwnSelection(w, selection, ctx->text.time, TextConvertSelection, - TextLoseSelection, NULL); - } - } - else - XawTextUnsetSelection((Widget)ctx); -} - -#ifndef OLDXAW -void -_XawTextSetLineAndColumnNumber(TextWidget ctx, Bool force) -{ - int line_number, column_number; - - if (ctx->text.old_insert != ctx->text.insertPos && - ctx->text.lt.base_line < 0) { - ctx->text.lt.base_line = 0; - (void)_BuildLineTable(ctx, ctx->text.lt.top, 0); - } - - line_number = ResolveLineNumber(ctx); - column_number = ResolveColumnNumber(ctx); - - if (force || (ctx->text.column_number != column_number - || ctx->text.line_number != line_number)) { - XawTextPositionInfo info; - - ctx->text.line_number = info.line_number = line_number; - ctx->text.column_number = info.column_number = column_number; - info.insert_position = ctx->text.insertPos; - info.last_position = ctx->text.lastPos; - info.overwrite_mode = ctx->text.overwrite; - - XtCallCallbacks((Widget)ctx, XtNpositionCallback, (XtPointer)&info); - } -} - -static int -ResolveColumnNumber(TextWidget ctx) -{ - Widget src = ctx->text.source; - short column_number = 0; - XawTextPosition position; - XawTextBlock block; - unsigned long format = _XawTextFormat(ctx); - TextSinkObject sink = (TextSinkObject)ctx->text.sink; - short *char_tabs = sink->text_sink.char_tabs; - int tab_count = sink->text_sink.tab_count; - int tab_index = 0, tab_column = 0, tab_base = 0; - - if (ctx->text.lt.base_line < 1) - return (ctx->text.column_number); - - position = SrcScan(src, ctx->text.insertPos, XawstEOL, XawsdLeft, 1, False); - XawTextSourceRead(src, position, &block, ctx->text.insertPos - position); - - for (; position < ctx->text.insertPos; position++) { - if (position - block.firstPos >= block.length) - XawTextSourceRead(src, position, &block, ctx->text.insertPos - position); - if ((format == XawFmt8Bit && block.ptr[position - block.firstPos] == '\t') || - (format == XawFmtWide && ((wchar_t*)block.ptr)[position - block.firstPos] == _Xaw_atowc(XawTAB))) { - while (tab_base + tab_column <= column_number) { - if (tab_count) { - for (; tab_index < tab_count; ++tab_index) - if (tab_base + char_tabs[tab_index] > column_number) { - tab_column = char_tabs[tab_index]; - break; - } - if (tab_index >= tab_count) { - tab_base += char_tabs[tab_count - 1]; - tab_column = tab_index = 0; - } - } - else - tab_column += DEFAULT_TAB_SIZE; - } - column_number = tab_base + tab_column; - } - else - ++column_number; - if (column_number >= 16384) { - column_number = 16383; - break; - } - } - - return (column_number); -} -#endif /* OLDXAW */ - -void -_XawTextSourceChanged(Widget w, XawTextPosition left, XawTextPosition right, - XawTextBlock *block, int lines) -{ - TextWidget ctx = (TextWidget)w; - Widget src = ctx->text.source; - XawTextPosition update_from, update_to, top; - Boolean update_disabled; - int delta, line, line_from; - - if (left < ctx->text.old_insert) { - XawTextPosition old_insert = ctx->text.old_insert; - - if (right < ctx->text.old_insert) - old_insert -= right - left; - else - old_insert = left; - - ctx->text.insertPos = old_insert + block->length; - } -#ifndef OLDXAW - if (left <= ctx->text.lt.top) { - if (left + block->length - (right - left) < ctx->text.lt.top) { - ctx->text.source_changed = SRC_CHANGE_BEFORE; - ctx->text.lt.base_line += lines; - } - else - ctx->text.source_changed = SRC_CHANGE_OVERLAP; - } - else - ctx->text.source_changed = SRC_CHANGE_AFTER; -#endif - - update_from = left; - update_to = left + block->length; - update_to = SrcScan(src, update_to, XawstEOL, XawsdRight, 1, False); - delta = block->length - (right - left); - if (delta < 0) - ctx->text.clear_to_eol = True; - if (update_to == update_from) - ++update_to; - update_disabled = ctx->text.update_disabled; - ctx->text.update_disabled = True; - ctx->text.lastPos = XawTextGetLastPosition(ctx); - top = ctx->text.lt.info[0].position; - - XawTextUnsetSelection((Widget)ctx); - - if (delta) { - int i; - XmuSegment *seg; - - for (seg = ctx->text.update->segment; seg; seg = seg->next) { - if (seg->x1 > (int)left) - break; - else if (seg->x2 > (int)left) { - seg->x2 += delta; - seg = seg->next; - break; - } - } - for (; seg; seg = seg->next) { - seg->x1 += delta; - seg->x2 += delta; - } - XmuOptimizeScanline(ctx->text.update); - - for (i = 0; i <= ctx->text.lt.lines; i++) - if (ctx->text.lt.info[i].position > left) - break; - for (; i <= ctx->text.lt.lines; i++) - ctx->text.lt.info[i].position += delta; - } - - if (top != ctx->text.lt.info[0].position) { - line_from = line = 0; - ctx->text.lt.top = top = SrcScan(src, ctx->text.lt.info[0].position, - XawstEOL, XawsdLeft, 1, False); - update_from = top; - } - else { - line_from = line = LineForPosition(ctx, update_from + delta); - top = ctx->text.lt.info[line].position; - } - - if (line > 0 && ctx->text.wrap == XawtextWrapWord) { - --line; - top = ctx->text.lt.info[line].position; - } - - (void)_BuildLineTable(ctx, top, line); - - if (ctx->text.wrap == XawtextWrapWord) { - if (line_from != LineForPosition(ctx, update_from) - || line_from != LineForPosition(ctx, update_to)) { - ctx->text.clear_to_eol = True; - update_from = SrcScan(src, update_from, - XawstWhiteSpace, XawsdLeft, 1, True); - if (update_to >= ctx->text.lastPos) - /* this is not an error, it just tells _BuildLineTable to - * clear to the bottom of the window. The value of update_to - * should not be > ctx->text.lastPos. - */ - ++update_to; - } - } - else if (!ctx->text.clear_to_eol) { - if (LineForPosition(ctx, update_from) - != LineForPosition(ctx, update_to)) - ctx->text.clear_to_eol = True; - } - - _XawTextNeedsUpdating(ctx, update_from, update_to); - ctx->text.update_disabled = update_disabled; -} - -/* - * Function: - * _XawTextReplace - * - * Parameters: - * ctx - text widget - * left - left offset - * right - right offset - * block - text block - * - * Description: - * Replaces the text between left and right by the text in block. - * Does all the required calculations of offsets, and rebuild the - * the line table, from the insertion point (or previous line, if - * wrap mode is 'word'). - * - * Returns: - * XawEditDone - success - * any other value - error code - */ -int -_XawTextReplace(TextWidget ctx, XawTextPosition left, XawTextPosition right, - XawTextBlock *block) -{ - Arg args[1]; - Widget src; - XawTextEditType edit_mode; - - if (left == right && block->length == 0) - return (XawEditDone); - - src = ctx->text.source; - XtSetArg(args[0], XtNeditType, &edit_mode); - XtGetValues(src, args, 1); - - if (edit_mode == XawtextAppend) { - if (block->length == 0) - return (XawEditError); - ctx->text.insertPos = ctx->text.lastPos; - } - -#ifndef OLDXAW - return (SrcReplace(src, left, right, block)); -#else - if (SrcReplace(src, left, right, block) == XawEditDone) { - _XawTextSourceChanged((Widget)ctx, left, right, block, 0); - - return (XawEditDone); - } - - return (XawEditError); -#endif -} - -/* - * This routine will display text between two arbitrary source positions. - * In the event that this span contains highlighted text for the selection, - * only that portion will be displayed highlighted. - */ -static void -OldDisplayText(Widget w, XawTextPosition left, XawTextPosition right) -{ - static XmuSegment segment; - static XmuScanline next; - static XmuScanline scanline = {0, &segment, &next}; - static XmuArea area = {&scanline}; - - TextWidget ctx = (TextWidget)w; - int x, y, line; - XawTextPosition start, end, last, final; - XmuScanline *scan; - XmuSegment *seg; - XmuArea *clip = NULL; - Bool cleol = ctx->text.clear_to_eol; - Bool has_selection = ctx->text.s.right > ctx->text.s.left; - - left = left < ctx->text.lt.top ? ctx->text.lt.top : left; - - if (left > right || !LineAndXYForPosition(ctx, left, &line, &x, &y)) - return; - - last = XawTextGetLastPosition(ctx); - segment.x2 = (int)XtWidth(ctx) - ctx->text.r_margin.right; - - if (cleol) - clip = XmuCreateArea(); - - for (start = left; start < right && line < ctx->text.lt.lines; line++) { - if ((end = ctx->text.lt.info[line + 1].position) > right) - end = right; - - final = end; - if (end > last) - end = last; - - if (end > start) { - if (!has_selection - || (start >= ctx->text.s.right || end <= ctx->text.s.left)) - _XawTextSinkDisplayText(ctx->text.sink, x, y, start, end, False); - else if (start >= ctx->text.s.left && end <= ctx->text.s.right) - _XawTextSinkDisplayText(ctx->text.sink, x, y, start, end, True); - else { - OldDisplayText(w, start, ctx->text.s.left); - OldDisplayText(w, Max(start, ctx->text.s.left), - Min(end, ctx->text.s.right)); - OldDisplayText(w, ctx->text.s.right, end); - } - } - - x = ctx->text.left_margin; - if (cleol) { - segment.x1 = ctx->text.lt.info[line].textWidth + x; - if (XmuValidSegment(&segment)) { - scanline.y = y; - next.y = ctx->text.lt.info[line + 1].y; - XmuAreaOr(clip, &area); - } - } - - start = final; - y = ctx->text.lt.info[line + 1].y; - } - - if (cleol) { - for (scan = clip->scanline; scan && scan->next; scan = scan->next) - for (seg = scan->segment; seg; seg = seg->next) - SinkClearToBG(ctx->text.sink, - seg->x1, scan->y, - seg->x2 - seg->x1, scan->next->y - scan->y); - XmuDestroyArea(clip); - } -} - -#ifndef OLDXAW -/*ARGSUSED*/ -static void -DisplayText(Widget w, XawTextPosition left, XawTextPosition right) -{ - static XmuSegment segment; - static XmuScanline next; - static XmuScanline scanline = {0, &segment, &next}; - static XmuArea area = {&scanline}; - - TextWidget ctx = (TextWidget)w; - int y, line; - XawTextPosition from, to, lastPos; - Bool cleol = ctx->text.clear_to_eol; - Bool has_selection = ctx->text.s.right > ctx->text.s.left; - XawTextPaintList *paint_list; - - left = left < ctx->text.lt.top ? ctx->text.lt.top : left; - - if (left > right || !IsPositionVisible(ctx, left)) - return; - - line = LineForPosition(ctx, left); - y = ctx->text.lt.info[line].y; - segment.x2 = (int)XtWidth(ctx) - ctx->text.r_margin.right; - lastPos = XawTextGetLastPosition(ctx); - - paint_list = ((TextSinkObject)ctx->text.sink)->text_sink.paint; - - for (from = left; from < right && line < ctx->text.lt.lines; line++) { - if ((to = ctx->text.lt.info[line + 1].position) > right) - to = right; - - if (to > lastPos) - to = lastPos; - - if (from < to) { - if (!has_selection - || (from >= ctx->text.s.right || to <= ctx->text.s.left)) - XawTextSinkPreparePaint(ctx->text.sink, y, line, from, to, False); - else if (from >= ctx->text.s.left && to <= ctx->text.s.right) - XawTextSinkPreparePaint(ctx->text.sink, y, line, from, to, True); - else { - XawTextSinkPreparePaint(ctx->text.sink, y, line, from, - ctx->text.s.left, False); - XawTextSinkPreparePaint(ctx->text.sink, y, line, - XawMax(from, ctx->text.s.left), - XawMin(to, ctx->text.s.right), True); - XawTextSinkPreparePaint(ctx->text.sink, y, line, - ctx->text.s.right, to, False); - } - } - - if (cleol) { - segment.x1 = ctx->text.lt.info[line].textWidth + ctx->text.left_margin; - if (XmuValidSegment(&segment)) { - scanline.y = y; - next.y = ctx->text.lt.info[line + 1].y; - XmuAreaOr(paint_list->clip, &area); - } - } - y = ctx->text.lt.info[line + 1].y; - from = to; - } - - /* clear to the bottom of the window */ - if (cleol && line >= ctx->text.lt.lines) { - segment.x1 = ctx->text.left_margin; - if (XmuValidSegment(&segment)) { - scanline.y = y; - next.y = (int)XtHeight(ctx) - (int)ctx->text.margin.bottom; - XmuAreaOr(paint_list->clip, &area); - } - } -} -#endif - -/* - * This routine implements multi-click selection in a hardwired manner. - * It supports multi-click entity cycling (char, word, line, file) and mouse - * motion adjustment of the selected entitie (i.e. select a word then, with - * button still down, adjust wich word you really meant by moving the mouse). - * [NOTE: This routine is to be replaced by a set of procedures that - * will allows clients to implements a wide class of draw through and - * multi-click selection user interfaces.] - */ -static void -DoSelection(TextWidget ctx, XawTextPosition pos, Time time, Bool motion) -{ - XawTextPosition newLeft, newRight; - XawTextSelectType newType, *sarray; - Widget src = ctx->text.source; - - if (motion) - newType = ctx->text.s.type; - else { - if ((abs((long) time - (long) ctx->text.lasttime) < MULTI_CLICK_TIME) - && (pos >= ctx->text.s.left && pos <= ctx->text.s.right)) { - sarray = ctx->text.sarray; - for (; *sarray != XawselectNull && *sarray != ctx->text.s.type; - sarray++) - ; - if (*sarray == XawselectNull) - newType = *(ctx->text.sarray); - else { - newType = *(sarray + 1); - if (newType == XawselectNull) - newType = *(ctx->text.sarray); - } - } - else /* single-click event */ - newType = *(ctx->text.sarray); - - ctx->text.lasttime = time; - } - switch (newType) { - case XawselectPosition: - newLeft = newRight = pos; - break; - case XawselectChar: - newLeft = pos; - newRight = SrcScan(src, pos, XawstPositions, XawsdRight, 1, False); - break; - case XawselectWord: - case XawselectParagraph: - case XawselectAlphaNumeric: { - XawTextScanType stype; - - if (newType == XawselectWord) - stype = XawstWhiteSpace; - else if (newType == XawselectParagraph) - stype = XawstParagraph; - else - stype = XawstAlphaNumeric; - - /* - * Somewhat complicated, but basically I treat the space between - * two objects as another object. The object that I am currently - * in then becomes the end of the selection. - * - * Chris Peterson - 4/19/90. - */ - newRight = SrcScan(ctx->text.source, pos, stype, - XawsdRight, 1, False); - newRight = SrcScan(ctx->text.source, newRight, stype, - XawsdLeft, 1, False); - - if (pos != newRight) - newLeft = SrcScan(ctx->text.source, pos, stype, - XawsdLeft, 1, False); - else - newLeft = pos; - - newLeft =SrcScan(ctx->text.source, newLeft, stype, - XawsdRight, 1, False); - - if (newLeft > newRight) { - XawTextPosition temp = newLeft; - newLeft = newRight; - newRight = temp; - } - } break; - case XawselectLine: - newLeft = SrcScan(src, pos, XawstEOL, XawsdLeft, 1, False); - newRight = SrcScan(src, pos, XawstEOL, XawsdRight, 1, False); - break; - case XawselectAll: - newLeft = SrcScan(src, pos, XawstAll, XawsdLeft, 1, False); - newRight = SrcScan(src, pos, XawstAll, XawsdRight, 1, False); - break; - default: - XtAppWarning(XtWidgetToApplicationContext((Widget) ctx), - "Text Widget: empty selection array."); - return; - } - - if (newLeft != ctx->text.s.left || newRight != ctx->text.s.right - || newType != ctx->text.s.type) { - ModifySelection(ctx, newLeft, newRight); - if (pos - ctx->text.s.left < ctx->text.s.right - pos) - ctx->text.insertPos = newLeft; - else - ctx->text.insertPos = newRight; - ctx->text.s.type = newType; - } - if (!motion) { /* setup so we can freely mix select extend calls*/ - ctx->text.origSel.type = ctx->text.s.type; - ctx->text.origSel.left = ctx->text.s.left; - ctx->text.origSel.right = ctx->text.s.right; - - if (pos >= ctx->text.s.left + (ctx->text.s.right - ctx->text.s.left) / 2) - ctx->text.extendDir = XawsdRight; - else - ctx->text.extendDir = XawsdLeft; - } -} - -/* - * This routine implements extension of the currently selected text in - * the "current" mode (i.e. char word, line, etc.). It worries about - * extending from either end of the selection and handles the case when you - * cross through the "center" of the current selection (e.g. switch which - * end you are extending!). - */ -static void -ExtendSelection(TextWidget ctx, XawTextPosition pos, Bool motion) -{ - XawTextScanDirection dir; - - if (!motion) { /* setup for extending selection */ - if (ctx->text.s.left == ctx->text.s.right) /* no current selection. */ - ctx->text.s.left = ctx->text.s.right = ctx->text.insertPos; - else { - ctx->text.origSel.left = ctx->text.s.left; - ctx->text.origSel.right = ctx->text.s.right; - } - - ctx->text.origSel.type = ctx->text.s.type; - - if (pos >= ctx->text.s.left + (ctx->text.s.right - ctx->text.s.left) / 2) - ctx->text.extendDir = XawsdRight; - else - ctx->text.extendDir = XawsdLeft; - } - else /* check for change in extend direction */ - if ((ctx->text.extendDir == XawsdRight && - pos <= ctx->text.origSel.left) || - (ctx->text.extendDir == XawsdLeft && - pos >= ctx->text.origSel.right)) { - ctx->text.extendDir = (ctx->text.extendDir == XawsdRight) ? - XawsdLeft : XawsdRight; - ModifySelection(ctx, ctx->text.origSel.left, ctx->text.origSel.right); - } - - dir = ctx->text.extendDir; - switch (ctx->text.s.type) { - case XawselectWord: - case XawselectParagraph: - case XawselectAlphaNumeric: { - XawTextPosition left_pos, right_pos; - XawTextScanType stype; - - if (ctx->text.s.type == XawselectWord) - stype = XawstWhiteSpace; - else if (ctx->text.s.type == XawselectParagraph) - stype = XawstParagraph; - else - stype = XawstAlphaNumeric; - - /* - * Somewhat complicated, but basically I treat the space between - * two objects as another object. The object that I am currently - * in then becomes the end of the selection. - * - * Chris Peterson - 4/19/90. - */ - right_pos = SrcScan(ctx->text.source, pos, stype, - XawsdRight, 1, False); - right_pos =SrcScan(ctx->text.source, right_pos, stype, - XawsdLeft, 1, False); - - if (pos != right_pos) - left_pos = SrcScan(ctx->text.source, pos, stype, - XawsdLeft, 1, False); - else - left_pos = pos; - - left_pos =SrcScan(ctx->text.source, left_pos, stype, - XawsdRight, 1, False); - - if (dir == XawsdLeft) - pos = Min(left_pos, right_pos); - else /* dir == XawsdRight */ - pos = Max(left_pos, right_pos); - } break; - case XawselectLine: - pos = SrcScan(ctx->text.source, pos, XawstEOL, - dir, 1, dir == XawsdRight); - break; - case XawselectAll: - pos = ctx->text.insertPos; - /*FALLTHROUGH*/ - case XawselectPosition: - default: - break; - } - - if (dir == XawsdRight) - ModifySelection(ctx, ctx->text.s.left, pos); - else - ModifySelection(ctx, pos, ctx->text.s.right); - - ctx->text.insertPos = pos; -} - -/* - * Function: - * _XawTextClearAndCenterDisplay - * - * Parameters: - * ctx - text widget - * - * Description: - * Redraws the display with the cursor in insert point - * centered vertically. - */ -void -_XawTextClearAndCenterDisplay(TextWidget ctx) -{ - int left_margin = ctx->text.left_margin; - Bool visible = IsPositionVisible(ctx, ctx->text.insertPos); - - _XawTextShowPosition(ctx); - - if (XtIsRealized((Widget)ctx) && visible && - left_margin == ctx->text.left_margin) { - int insert_line = LineForPosition(ctx, ctx->text.insertPos); - int scroll_by = insert_line - (ctx->text.lt.lines >> 1); - Boolean clear_to_eol = ctx->text.clear_to_eol; - - XawTextScroll(ctx, scroll_by, 0); - SinkClearToBG(ctx->text.sink, 0, 0, XtWidth(ctx), XtHeight(ctx)); - ClearWindow(ctx); - clear_to_eol = ctx->text.clear_to_eol; - ctx->text.clear_to_eol = False; - FlushUpdate(ctx); - ctx->text.clear_to_eol = clear_to_eol; - } -} - -/* - * Internal redisplay entire window - * Legal to call only if widget is realized - */ -static void -DisplayTextWindow(Widget w) -{ - TextWidget ctx = (TextWidget)w; - - _XawTextBuildLineTable(ctx, ctx->text.lt.top, False); - ClearWindow(ctx); -} - -static void -TextSinkResize(Widget w) -{ - if (w && XtClass(w)->core_class.resize) - XtClass(w)->core_class.resize(w); -} - -/* ARGSUSED */ -void -_XawTextCheckResize(TextWidget ctx) -{ - return; -} - -/* - * Converts (params, num_params) to a list of atoms & caches the - * list in the TextWidget instance. - */ -Atom * -_XawTextSelectionList(TextWidget ctx, String *list, Cardinal nelems) -{ - Atom *sel = ctx->text.s.selections; - Display *dpy = XtDisplay((Widget)ctx); - int n; - - if (nelems > (Cardinal)ctx->text.s.array_size) { - sel = (Atom *)XtRealloc((char *)sel, sizeof(Atom) * nelems); - ctx->text.s.array_size = nelems; - ctx->text.s.selections = sel; - } - for (n = nelems; --n >= 0; sel++, list++) - *sel = XInternAtom(dpy, *list, False); - ctx->text.s.atom_count = nelems; - - return (ctx->text.s.selections); -} - -/* - * Function: - * SetSelection - * - * Parameters: - * ctx - text widget - * defaultSel - default selection - * l - left and right ends of the selection - * r - "" - * list - the selection list (as strings). - * nelems - "" - * - * Description: - * Sets the current selection. - * - * Note: - * if (ctx->text.s.left >= ctx->text.s.right) then the selection is unset - */ -void -_XawTextSetSelection(TextWidget ctx, XawTextPosition l, XawTextPosition r, - String *list, Cardinal nelems) -{ - if (nelems == 1 && !strcmp (list[0], "none")) - return; - if (nelems == 0) { - String defaultSel = "PRIMARY"; - list = &defaultSel; - nelems = 1; - } - _SetSelection(ctx, l, r, _XawTextSelectionList(ctx, list, nelems), nelems); -} - -/* - * Function: - * ModifySelection - * - * Parameters: - * ctx - text widget - * left - left and right ends of the selection - * right - "" - * - * Description: - * Modifies the current selection. - * - * Note: - * if (ctx->text.s.left >= ctx->text.s.right) then the selection is unset - */ -static void -ModifySelection(TextWidget ctx, XawTextPosition left, XawTextPosition right) -{ - if (left == right) - ctx->text.insertPos = left; - _SetSelection(ctx, left, right, NULL, 0); -} - -/* - * This routine is used to perform various selection functions. The goal is - * to be able to specify all the more popular forms of draw-through and - * multi-click selection user interfaces from the outside. - */ -void -_XawTextAlterSelection(TextWidget ctx, XawTextSelectionMode mode, - XawTextSelectionAction action, String *params, - Cardinal *num_params) -{ - XawTextPosition position; - Boolean flag; - - /* - * This flag is used by TextPop.c:DoReplace() to determine if the selection - * is okay to use, or if it has been modified. - */ - if (ctx->text.search != NULL) - ctx->text.search->selection_changed = True; - - position = PositionForXY(ctx, (int) ctx->text.ev_x, (int) ctx->text.ev_y); - - flag = (action != XawactionStart); - if (mode == XawsmTextSelect) - DoSelection(ctx, position, ctx->text.time, flag); - else /* mode == XawsmTextExtend */ - ExtendSelection (ctx, position, flag); - - if (action == XawactionEnd) - _XawTextSetSelection(ctx, ctx->text.s.left, ctx->text.s.right, - params, *num_params); -} - -/* - * Function: - * UpdateTextInRectangle - * - * Parameters: - * ctx - the text widget - * rect - rectangle - * - * Description: - * Updates the text in the given rectangle - */ -static void -UpdateTextInRectangle(TextWidget ctx, XRectangle *rect) -{ - XawTextLineTable *lt; - int line, y1, y2, x2; - - y1 = rect->y; - y2 = y1 + rect->height; - x2 = rect->x + rect->width; - - for (line = 0, lt = &ctx->text.lt; line < lt->lines; line++) - if (lt->info[line + 1].y > y1) - break; - for (; line <= lt->lines; line++) { - if (lt->info[line].y > y2) - break; - UpdateTextInLine(ctx, line, rect->x, x2); - } -} - -/* - * This routine processes all "expose region" XEvents. In general, its job - * is to the best job at minimal re-paint of the text, displayed in the - * window, that it can. - */ -/* ARGSUSED */ -static void -XawTextExpose(Widget w, XEvent *event, Region region) -{ - TextWidget ctx = (TextWidget)w; - Boolean clear_to_eol; - XRectangle expose; - - if (event->type == Expose) { - expose.x = event->xexpose.x; - expose.y = event->xexpose.y; - expose.width = event->xexpose.width; - expose.height = event->xexpose.height; - } - else if (event->type == GraphicsExpose) { - expose.x = event->xgraphicsexpose.x; - expose.y = event->xgraphicsexpose.y; - expose.width = event->xgraphicsexpose.width; - expose.height = event->xgraphicsexpose.height; - } - else - return; - - _XawTextPrepareToUpdate(ctx); - - if (Superclass->core_class.expose) - (*Superclass->core_class.expose)(w, event, region); - - clear_to_eol = ctx->text.clear_to_eol; - ctx->text.clear_to_eol = False; - - UpdateTextInRectangle(ctx, &expose); - XawTextSinkGetCursorBounds(ctx->text.sink, &expose); - UpdateTextInRectangle(ctx, &expose); - SinkClearToBG(ctx->text.sink, expose.x, expose.y, - expose.width, expose.height); - _XawTextExecuteUpdate(ctx); - ctx->text.clear_to_eol = clear_to_eol; -} - -/* - * This routine does all setup required to syncronize batched screen updates - */ -void -_XawTextPrepareToUpdate(TextWidget ctx) -{ - if (ctx->text.old_insert < 0) { - InsertCursor((Widget)ctx, XawisOff); - ctx->text.showposition = False; - ctx->text.old_insert = ctx->text.insertPos; - ctx->text.clear_to_eol = False; -#ifndef OLDXAW - ctx->text.source_changed = SRC_CHANGE_NONE; -#endif - } -} - -/* - * This is a private utility routine used by _XawTextExecuteUpdate. It - * processes all the outstanding update requests and merges update - * ranges where possible. - */ -static void -FlushUpdate(TextWidget ctx) -{ - XmuSegment *seg; - void (*display_text)(Widget, XawTextPosition, XawTextPosition); - - if (XtIsRealized((Widget)ctx)) { - ctx->text.s.right = XawMin(ctx->text.s.right, ctx->text.lastPos); - ctx->text.s.left = XawMin(ctx->text.s.left, ctx->text.s.right); - -#ifndef OLDXAW - if (XawTextSinkBeginPaint(ctx->text.sink) == False) -#endif - display_text = OldDisplayText; -#ifndef OLDXAW - else - display_text = DisplayText; -#endif - for (seg = ctx->text.update->segment; seg; seg = seg->next) - (*display_text)((Widget)ctx, - (XawTextPosition)seg->x1, - (XawTextPosition)seg->x2); -#ifndef OLDXAW - if (display_text != OldDisplayText) { - XawTextSinkDoPaint(ctx->text.sink); - XawTextSinkEndPaint(ctx->text.sink); - } -#endif - } - (void)XmuScanlineXor(ctx->text.update, ctx->text.update); -} - -static int -CountLines(TextWidget ctx, XawTextPosition left, XawTextPosition right) -{ - if (ctx->text.wrap == XawtextWrapNever || left >= right) - return (1); - else { - XawTextPosition tmp; - int dim, lines = 0, wwidth = GetMaxTextWidth(ctx); - - while (left < right) { - tmp = left; - XawTextSinkFindPosition(ctx->text.sink, left, - ctx->text.left_margin, - wwidth, ctx->text.wrap == XawtextWrapWord, - &left, &dim, &dim); - ++lines; - if (tmp == left) - ++left; - } - - return (lines); - } - /*NOTREACHED*/ -} - -static int -GetMaxTextWidth(TextWidget ctx) -{ - XRectangle cursor; - int width; - - XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); - width = (int)XtWidth(ctx) - RHMargins(ctx) - cursor.width; - - return (XawMax(0, width)); -} - -/* - * Function: - * _XawTextShowPosition - * - * Parameters: - * ctx - the text widget to show the position - * - * Description: - * Makes sure the text cursor visible, scrolling the text window - * if required. - */ -void -_XawTextShowPosition(TextWidget ctx) -{ - /* - * Variable scroll is used to avoid scanning large files to calculate - * line offsets - */ - int hpixels, vlines; - XawTextPosition first, last, top, tmp; - Bool visible, scroll; - - if (!XtIsRealized((Widget)ctx)) - return; - - /* - * Checks if a horizontal scroll is required - */ - if (ctx->text.wrap == XawtextWrapNever) { - int x, vwidth, distance, dim; - XRectangle rect; - - vwidth = (int)XtWidth(ctx) - RHMargins(ctx); - last = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstEOL, XawsdLeft, 1, False); - XawTextSinkFindDistance(ctx->text.sink, last, - ctx->text.left_margin, - ctx->text.insertPos, - &distance, &first, &dim); - XawTextSinkGetCursorBounds(ctx->text.sink, &rect); - x = ctx->text.left_margin - ctx->text.r_margin.left; - - if (x + distance + rect.width > vwidth) - hpixels = x + distance + rect.width - vwidth + (vwidth >> 2); - else if (x + distance < 0) - hpixels = x + distance - (vwidth >> 2); - else - hpixels = 0; - } - else - hpixels = 0; - - visible = IsPositionVisible(ctx, ctx->text.insertPos); - - /* - * If the cursor is already visible - */ - if (!hpixels && visible) - return; - - scroll = ctx->core.background_pixmap == XtUnspecifiedPixmap && !hpixels; - vlines = 0; - first = ctx->text.lt.top; - - /* - * Needs to scroll the text window - */ - if (visible) - top = ctx->text.lt.top; - else { - top = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstEOL, XawsdLeft, 1, False); - - /* - * Finds the nearest left position from ctx->text.insertPos - */ - if (ctx->text.wrap != XawtextWrapNever) { - int dim, vwidth = GetMaxTextWidth(ctx); - - last = top; - /*CONSTCOND*/ - while (1) { - tmp = last; - XawTextSinkFindPosition(ctx->text.sink, last, - ctx->text.left_margin, vwidth, - ctx->text.wrap == XawtextWrapWord, - &last, &dim, &dim); - if (last == tmp) - ++last; - if (last <= ctx->text.insertPos) - top = last; - else - break; - } - } - } - - if (scroll) { - if (ctx->text.insertPos < first) { /* Scroll Down */ - while (first > top) { - last = first; - first = SrcScan(ctx->text.source, first, - XawstEOL, XawsdLeft, 2, False); - vlines -= CountLines(ctx, first, last); - if (-vlines >= ctx->text.lt.lines) { - scroll = False; - break; - } - } - } - else if (!visible) { /* Scroll Up */ - while (first < top) { - last = first; - first = SrcScan(ctx->text.source, first, - XawstEOL, XawsdRight, 1, True); - vlines += CountLines(ctx, last, first); - if (vlines > ctx->text.lt.lines) { - scroll = False; - break; - } - } - } - else - scroll = False; - } - - /* - * If a portion of the text that will be scrolled is visible - */ - if (scroll) - XawTextScroll(ctx, vlines ? vlines - (ctx->text.lt.lines >> 1) : 0, 0); - /* - * Else redraw the entire text window - */ - else { - ctx->text.left_margin -= hpixels; - if (ctx->text.left_margin > ctx->text.r_margin.left) - ctx->text.left_margin = ctx->text.margin.left = - ctx->text.r_margin.left; - - if (!visible) { - vlines = ctx->text.lt.lines >> 1; - if (vlines) - top = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstEOL, XawsdLeft, vlines + 1, False); - - if (ctx->text.wrap != XawtextWrapNever) { - int dim; - int n_lines = CountLines(ctx, top, ctx->text.insertPos); - int vwidth = GetMaxTextWidth(ctx); - - while (n_lines-- > vlines) { - tmp = top; - XawTextSinkFindPosition(ctx->text.sink, top, - ctx->text.left_margin, - vwidth, - ctx->text.wrap == XawtextWrapWord, - &top, &dim, &dim); - if (tmp == top) - ++top; - } - } - _XawTextBuildLineTable(ctx, top, True); - } - else - ClearWindow(ctx); - } - ctx->text.clear_to_eol = True; -} - -#ifndef OLDXAW -static int -ResolveLineNumber(TextWidget ctx) -{ - int line_number = ctx->text.lt.base_line; - XawTextPosition position = ctx->text.lt.top; - - if (ctx->text.lt.base_line < 1) - return (ctx->text.line_number); - - if (ctx->text.wrap == XawtextWrapNever - && IsPositionVisible(ctx, ctx->text.insertPos)) - line_number += LineForPosition(ctx, ctx->text.insertPos); - else if (position < ctx->text.insertPos) { - while (position < ctx->text.insertPos) { - position = SrcScan(ctx->text.source, position, - XawstEOL, XawsdRight, 1, True); - if (position <= ctx->text.insertPos) { - ++line_number; - if (position == ctx->text.lastPos) { - line_number -= !_XawTextSourceNewLineAtEOF(ctx->text.source); - break; - } - } - } - } - else if (position > ctx->text.insertPos) { - while (position > ctx->text.insertPos) { - position = SrcScan(ctx->text.source, position, - XawstEOL, XawsdLeft, 1, False); - if (--position >= ctx->text.insertPos) - --line_number; - } - } - - return (line_number); -} -#endif - -/* - * This routine causes all batched screen updates to be performed - */ -void -_XawTextExecuteUpdate(TextWidget ctx) -{ - if (ctx->text.update_disabled || ctx->text.old_insert < 0) - return; - - if(ctx->text.old_insert != ctx->text.insertPos || ctx->text.showposition) - _XawTextShowPosition(ctx); - - FlushUpdate(ctx); - InsertCursor((Widget)ctx, XawisOn); - ctx->text.old_insert = -1; -#ifndef OLDXAW - _XawTextSetLineAndColumnNumber(ctx, False); -#endif -} - -static void -XawTextDestroy(Widget w) -{ - TextWidget ctx = (TextWidget)w; - - DestroyHScrollBar(ctx); - DestroyVScrollBar(ctx); - - XtFree((char *)ctx->text.s.selections); - XtFree((char *)ctx->text.lt.info); - XtFree((char *)ctx->text.search); - XmuDestroyScanline(ctx->text.update); - XtReleaseGC((Widget)ctx, ctx->text.gc); -} - -/* - * by the time we are managed (and get this far) we had better - * have both a source and a sink - */ -static void -XawTextResize(Widget w) -{ - TextWidget ctx = (TextWidget)w; - - PositionVScrollBar(ctx); - PositionHScrollBar(ctx); - TextSinkResize(ctx->text.sink); - - ctx->text.showposition = True; - _XawTextBuildLineTable(ctx, ctx->text.lt.top, True); -} - -/* - * This routine allow the application program to Set attributes. - */ -/*ARGSUSED*/ -static Boolean -XawTextSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TextWidget oldtw = (TextWidget)current; - TextWidget newtw = (TextWidget)cnew; - Boolean redisplay = False; - Boolean display_caret = newtw->text.display_caret; -#ifndef OLDXAW - Boolean show_lc = False; -#endif - - newtw->text.display_caret = oldtw->text.display_caret; - _XawTextPrepareToUpdate(newtw); - newtw->text.display_caret = display_caret; - - if (oldtw->text.r_margin.left != newtw->text.r_margin.left) { - newtw->text.left_margin = newtw->text.margin.left = - newtw->text.r_margin.left; - if (newtw->text.vbar != NULL) { - newtw->text.left_margin += XtWidth(newtw->text.vbar) + - XtBorderWidth(newtw->text.vbar); - } - redisplay = True; - } - - if (oldtw->text.scroll_vert != newtw->text.scroll_vert) { - if (newtw->text.scroll_vert == XawtextScrollAlways) - CreateVScrollBar(newtw); - else - DestroyVScrollBar(newtw); - - redisplay = True; - } - - if (oldtw->text.r_margin.bottom != newtw->text.r_margin.bottom) { - newtw->text.margin.bottom = newtw->text.r_margin.bottom; - if (newtw->text.hbar != NULL) - newtw->text.margin.bottom += newtw->text.hbar->core.height + - newtw->text.hbar->core.border_width; - redisplay = True; - } - - if (oldtw->text.scroll_horiz != newtw->text.scroll_horiz) { - if (newtw->text.scroll_horiz == XawtextScrollAlways) - CreateHScrollBar(newtw); - else - DestroyHScrollBar(newtw); - - redisplay = True; - } - - if (oldtw->text.source != newtw->text.source) { -#ifndef OLDXAW - show_lc = True; - _XawSourceRemoveText(oldtw->text.source, cnew, - oldtw->text.source && - XtParent(oldtw->text.source) == cnew); - _XawSourceAddText(newtw->text.source, cnew); -#endif - _XawTextSetSource((Widget)newtw, newtw->text.source, newtw->text.lt.top, - newtw->text.insertPos); - } - - newtw->text.redisplay_needed = False; - XtSetValues((Widget)newtw->text.source, args, *num_args); - XtSetValues((Widget)newtw->text.sink, args, *num_args); - - if (oldtw->text.wrap != newtw->text.wrap - || oldtw->text.lt.top != newtw->text.lt.top - || oldtw->text.insertPos != newtw->text.insertPos - || oldtw->text.r_margin.right != newtw->text.r_margin.right - || oldtw->text.r_margin.top != newtw->text.r_margin.top - || oldtw->text.sink != newtw->text.sink - || newtw->text.redisplay_needed) { - if (oldtw->text.wrap != newtw->text.wrap) { - newtw->text.left_margin = newtw->text.margin.left = - newtw->text.r_margin.left; - if (oldtw->text.lt.top == newtw->text.lt.top) - newtw->text.lt.top = SrcScan(newtw->text.source, 0, XawstEOL, - XawsdLeft, 1, False); - } - newtw->text.showposition = True; -#ifndef OLDXAW - show_lc = True; - newtw->text.source_changed = SRC_CHANGE_OVERLAP; -#endif - _XawTextBuildLineTable(newtw, newtw->text.lt.top, True); - redisplay = True; - } - -#ifndef OLDXAW - if (newtw->text.left_column < 0) - newtw->text.left_column = 0; - if (newtw->text.right_column < 0) - newtw->text.right_column = 0; -#endif - - _XawTextExecuteUpdate(newtw); - -#ifndef OLDXAW - if (show_lc) - _XawTextSetLineAndColumnNumber(newtw, True); -#endif - - if (redisplay) - _XawTextSetScrollBars(newtw); - - return (redisplay); -} - -/* invoked by the Simple widget's SetValues */ -static Bool -XawTextChangeSensitive(Widget w) -{ - Arg args[1]; - TextWidget tw = (TextWidget)w; - - (*(&simpleClassRec)->simple_class.change_sensitive)(w); - - XtSetArg(args[0], XtNancestorSensitive, - (tw->core.ancestor_sensitive && tw->core.sensitive)); - if (tw->text.vbar) - XtSetValues(tw->text.vbar, args, ONE); - if (tw->text.hbar) - XtSetValues(tw->text.hbar, args, ONE); - return (False); -} - -/* - * Function: - * XawTextGetValuesHook - * - * Parameters: - * w - Text Widget - * args - argument list - * num_args - number of args - * - * Description: - * This is a get values hook routine that gets the - * values in the text source and sink. - */ -static void -XawTextGetValuesHook(Widget w, ArgList args, Cardinal *num_args) -{ - XtGetValues(((TextWidget)w)->text.source, args, *num_args); - XtGetValues(((TextWidget)w)->text.sink, args, *num_args); -} - -/* - * Function: - * FindGoodPosition - * - * Parameters: - * pos - any position - * - * Description: - * Returns a valid position given any postition. - * - * Returns: - * A position between (0 and lastPos) - */ -static XawTextPosition -FindGoodPosition(TextWidget ctx, XawTextPosition pos) -{ - if (pos < 0) - return (0); - return (((pos > ctx->text.lastPos) ? ctx->text.lastPos : pos)); -} - -/* Li wrote this so the IM can find a given text position's screen position */ -void -_XawTextPosToXY(Widget w, XawTextPosition pos, Position *x, Position *y) -{ - int line, ix, iy; - - LineAndXYForPosition((TextWidget)w, pos, &line, &ix, &iy); - *x = ix; - *y = iy; -} - -/******************************************************************* -The following routines provide procedural interfaces to Text window state -setting and getting. They need to be redone so than the args code can use -them. I suggest we create a complete set that takes the context as an -argument and then have the public version lookup the context and call the -internal one. The major value of this set is that they have actual application -clients and therefore the functionality provided is required for any future -version of Text. -********************************************************************/ -void -XawTextDisplay(Widget w) -{ - TextWidget ctx = (TextWidget)w; - - if (!XtIsRealized(w)) - return; - - _XawTextPrepareToUpdate(ctx); - ctx->text.clear_to_eol = True; - DisplayTextWindow(w); - _XawTextExecuteUpdate(ctx); -} - -void -XawTextSetSelectionArray(Widget w, XawTextSelectType *sarray) -{ - ((TextWidget)w)->text.sarray = sarray; -} - -void -XawTextGetSelectionPos(Widget w, XawTextPosition *left, XawTextPosition *right) -{ - *left = ((TextWidget)w)->text.s.left; - *right = ((TextWidget)w)->text.s.right; -} - -void -_XawTextSetSource(Widget w, Widget source, - XawTextPosition top, XawTextPosition startPos) -{ - TextWidget ctx = (TextWidget)w; -#ifndef OLDXAW - Bool resolve = False; -#endif - -#ifndef OLDXAW - if (source != ctx->text.source) - _XawSourceRemoveText(ctx->text.source, w, ctx->text.source && - XtParent(ctx->text.source) == w); - _XawSourceAddText(source, w); - - if (source != ctx->text.source || ctx->text.insertPos != startPos) - resolve = True; - - ctx->text.source_changed = SRC_CHANGE_OVERLAP; -#endif - ctx->text.source = source; - ctx->text.s.left = ctx->text.s.right = 0; - ctx->text.lastPos = GETLASTPOS; - top = FindGoodPosition(ctx, top); - startPos = FindGoodPosition(ctx, startPos); - ctx->text.insertPos = ctx->text.old_insert = startPos; - _XawTextPrepareToUpdate(ctx); - - _XawTextBuildLineTable(ctx, top, True); - - _XawTextExecuteUpdate(ctx); -#ifndef OLDXAW - if (resolve) - _XawTextSetLineAndColumnNumber(ctx, True); -#endif -} - -void -XawTextSetSource(Widget w, Widget source, XawTextPosition top) -{ - _XawTextSetSource(w, source, top, top); -} - -/* - * This public routine deletes the text from startPos to endPos in a source and - * then inserts, at startPos, the text that was passed. As a side effect it - * "invalidates" that portion of the displayed text (if any), so that things - * will be repainted properly. - */ -int -XawTextReplace(Widget w, XawTextPosition startPos, XawTextPosition endPos, - XawTextBlock *text) -{ - TextWidget ctx = (TextWidget)w; - int result; -#ifndef OLDXAW - Cardinal i; - TextSrcObject src = (TextSrcObject)ctx->text.source; - - for (i = 0; i < src->textSrc.num_text; i++) - _XawTextPrepareToUpdate((TextWidget)src->textSrc.text[i]); -#else - _XawTextPrepareToUpdate(ctx); -#endif - - endPos = FindGoodPosition(ctx, endPos); - startPos = FindGoodPosition(ctx, startPos); - result = _XawTextReplace(ctx, startPos, endPos, text); - -#ifndef OLDXAW - for (i = 0; i < src->textSrc.num_text; i++) - _XawTextExecuteUpdate((TextWidget)src->textSrc.text[i]); -#else - _XawTextExecuteUpdate(ctx); -#endif - - return (result); -} - -XawTextPosition -XawTextTopPosition(Widget w) -{ - return (((TextWidget)w)->text.lt.top); -} - -XawTextPosition -XawTextLastPosition(Widget w) -{ - return (((TextWidget)w)->text.lastPos); -} - -void -XawTextSetInsertionPoint(Widget w, XawTextPosition position) -{ - TextWidget ctx = (TextWidget)w; - - _XawTextPrepareToUpdate(ctx); - ctx->text.insertPos = FindGoodPosition(ctx, position); - ctx->text.showposition = True; - ctx->text.from_left = -1; - - _XawTextExecuteUpdate(ctx); -#ifndef OLDXAW - _XawTextSetLineAndColumnNumber(ctx, False); -#endif -} - -XawTextPosition -XawTextGetInsertionPoint(Widget w) -{ - return (((TextWidget)w)->text.insertPos); -} - -/* - * Note: Must walk the selection list in opposite order from TextLoseSelection - */ -void -XawTextUnsetSelection(Widget w) -{ - TextWidget ctx = (TextWidget)w; - - while (ctx->text.s.atom_count != 0) { - Atom sel = ctx->text.s.selections[ctx->text.s.atom_count - 1]; - - if (sel != (Atom) 0) { - /* - * As selections are lost the atom_count will decrement - */ - if (GetCutBufferNumber(sel) == NOT_A_CUT_BUFFER) - XtDisownSelection(w, sel, ctx->text.time); - TextLoseSelection(w, &sel); /* In case this is a cut buffer, or - XtDisownSelection failed to call us */ - } - } -} - -void -XawTextSetSelection(Widget w, XawTextPosition left, XawTextPosition right) -{ - TextWidget ctx = (TextWidget)w; - - _XawTextPrepareToUpdate(ctx); - _XawTextSetSelection(ctx, FindGoodPosition(ctx, left), - FindGoodPosition(ctx, right), NULL, 0); - _XawTextExecuteUpdate(ctx); -} - -void -XawTextInvalidate(Widget w, XawTextPosition from, XawTextPosition to) -{ - TextWidget ctx = (TextWidget)w; - - from = FindGoodPosition(ctx, from); - to = FindGoodPosition(ctx, to); - ctx->text.lastPos = GETLASTPOS; - _XawTextPrepareToUpdate(ctx); - _XawTextNeedsUpdating(ctx, from, to); - _XawTextExecuteUpdate(ctx); -} - -/*ARGSUSED*/ -void -XawTextDisableRedisplay(Widget w) -{ - ((TextWidget)w)->text.update_disabled = True; - _XawTextPrepareToUpdate((TextWidget)w); -} - -void -XawTextEnableRedisplay(Widget w) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition lastPos; - - if (!ctx->text.update_disabled) - return; - - ctx->text.update_disabled = False; - lastPos = ctx->text.lastPos = GETLASTPOS; - ctx->text.lt.top = FindGoodPosition(ctx, ctx->text.lt.top); - ctx->text.insertPos = FindGoodPosition(ctx, ctx->text.insertPos); - - if (ctx->text.s.left > lastPos || ctx->text.s.right > lastPos) - ctx->text.s.left = ctx->text.s.right = 0; - - _XawTextExecuteUpdate(ctx); -} - -Widget -XawTextGetSource(Widget w) -{ - return (((TextWidget)w)->text.source); -} - -Widget -XawTextGetSink(Widget w) -{ - return (((TextWidget)w)->text.sink); -} - -void -XawTextDisplayCaret(Widget w, -#if NeedWidePrototypes - int display_caret -#else - Boolean display_caret -#endif -) -{ - TextWidget ctx = (TextWidget)w; - - if (XtIsRealized(w)) { - _XawTextPrepareToUpdate(ctx); - ctx->text.display_caret = display_caret; - _XawTextExecuteUpdate(ctx); - } - else - ctx->text.display_caret = display_caret; -} - -/* - * Function: - * XawTextSearch - * - * Parameters: - * w - text widget - * dir - direction to search - * text - text block containing info about the string to search for - * - * Description: - * Searches for the given text block. - * - * Returns: - * The position of the text found, or XawTextSearchError on an error - */ -XawTextPosition -XawTextSearch(Widget w, -#if NeedWidePrototypes - int dir, -#else - XawTextScanDirection dir, -#endif - XawTextBlock *text) -{ - TextWidget ctx = (TextWidget)w; - - return (SrcSearch(ctx->text.source, ctx->text.insertPos, dir, text)); -} - -TextClassRec textClassRec = { - /* core */ - { - (WidgetClass)&simpleClassRec, /* superclass */ - "Text", /* class_name */ - sizeof(TextRec), /* widget_size */ - XawTextClassInitialize, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - XawTextInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawTextRealize, /* realize */ - _XawTextActionsTable, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resource */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - XtExposeGraphicsExpose | /* compress_exposure */ - XtExposeNoExpose, - True, /* compress_enterleave */ - False, /* visible_interest */ - XawTextDestroy, /* destroy */ - XawTextResize, /* resize */ - XawTextExpose, /* expose */ - XawTextSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - XawTextGetValuesHook, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - _XawDefaultTextTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XawTextChangeSensitive, /* change_sensitive */ - }, - /* text */ - { - NULL, /* extension */ - } -}; - -WidgetClass textWidgetClass = (WidgetClass)&textClassRec; +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * Copyright (c) 1998 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Shell.h>
+#include <X11/Xatom.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xutil.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xmu/Xmu.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/MultiSinkP.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/TextSrcP.h>
+#include <X11/Xaw/TextSinkP.h>
+#include <X11/Xaw/Scrollbar.h>
+#include <X11/Xaw/XawImP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+#include "XawI18n.h"
+
+#ifndef MAX_LEN_CT
+#define MAX_LEN_CT 6 /* for sequence: ESC $ ( A \xx \xx */
+#endif
+
+unsigned long FMT8BIT = 0L;
+unsigned long XawFmt8Bit = 0L;
+unsigned long XawFmtWide = 0L;
+
+#define SinkClearToBG _XawTextSinkClearToBackground
+
+#define SrcScan XawTextSourceScan
+#define SrcRead XawTextSourceRead
+#define SrcReplace XawTextSourceReplace
+#define SrcSearch XawTextSourceSearch
+#define SrcCvtSel XawTextSourceConvertSelection
+#define SrcSetSelection XawTextSourceSetSelection
+
+#define MULTI_CLICK_TIME 500L
+
+#define SRC_CHANGE_NONE 0
+#define SRC_CHANGE_AFTER 1
+#define SRC_CHANGE_BEFORE 2
+#define SRC_CHANGE_OVERLAP 3
+
+#define Superclass (&simpleClassRec)
+
+/*
+ * Compute a the maximum length of a cut buffer that we can pass at any
+ * time. The 64 allows for the overhead of the Change Property request.
+ */
+#define MAX_CUT_LEN(dpy) (XMaxRequestSize(dpy) - 64)
+
+#define ClearWindow(ctx) \
+ _XawTextNeedsUpdating((ctx), \
+ (ctx)->text.lt.top, \
+ (ctx)->text.lt.info[ctx->text.lt.lines].position)
+
+/*
+ * Class Methods
+ */
+static void XawTextClassInitialize(void);
+static void XawTextInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawTextRealize(Widget, XtValueMask*, XSetWindowAttributes*);
+static void XawTextDestroy(Widget);
+static void XawTextResize(Widget);
+static void XawTextExpose(Widget, XEvent*, Region);
+static Boolean XawTextSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+static void XawTextGetValuesHook(Widget, ArgList, Cardinal*);
+static Bool XawTextChangeSensitive(Widget);
+
+/*
+ * Prototypes
+ */
+static XawTextPosition _BuildLineTable(TextWidget, XawTextPosition, int);
+static void _CreateCutBuffers(Display*);
+static Boolean TextConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*,
+ unsigned long*, int*);
+static int CountLines(TextWidget, XawTextPosition, XawTextPosition);
+static void CreateHScrollBar(TextWidget);
+static void CreateVScrollBar(TextWidget);
+static void CvtStringToScrollMode(XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr);
+static Boolean CvtScrollModeToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static void CvtStringToWrapMode(XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr);
+static Boolean CvtWrapModeToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean CvtStringToJustifyMode(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean CvtJustifyModeToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static void DestroyHScrollBar(TextWidget);
+static void DestroyVScrollBar(TextWidget);
+#ifndef OLDXAW
+static void DisplayText(Widget, XawTextPosition, XawTextPosition);
+#endif
+static void OldDisplayText(Widget, XawTextPosition, XawTextPosition);
+static void DisplayTextWindow(Widget);
+static void DoCopyArea(TextWidget, int, int, unsigned int, unsigned int,
+ int, int);
+static void DoSelection(TextWidget, XawTextPosition, Time, Bool);
+static void ExtendSelection(TextWidget, XawTextPosition, Bool);
+static XawTextPosition FindGoodPosition(TextWidget, XawTextPosition);
+static void FlushUpdate(TextWidget);
+static int GetCutBufferNumber(Atom);
+static int GetMaxTextWidth(TextWidget);
+static unsigned int GetWidestLine(TextWidget);
+static void HScroll(Widget, XtPointer, XtPointer);
+static void HJump(Widget, XtPointer, XtPointer);
+static void InsertCursor(Widget, XawTextInsertState);
+static Bool LineAndXYForPosition(TextWidget, XawTextPosition, int*,
+ int*, int*);
+static int LineForPosition(TextWidget, XawTextPosition);
+static void TextLoseSelection(Widget, Atom*);
+static Bool MatchSelection(Atom, XawTextSelection*);
+static void ModifySelection(TextWidget, XawTextPosition, XawTextPosition);
+static XawTextPosition PositionForXY(TextWidget, int, int);
+static void PositionHScrollBar(TextWidget);
+static void PositionVScrollBar(TextWidget);
+#ifndef OLDXAW
+static int ResolveColumnNumber(TextWidget);
+static int ResolveLineNumber(TextWidget);
+#endif
+static void _SetSelection(TextWidget, XawTextPosition, XawTextPosition,
+ Atom*, Cardinal);
+static void TextSinkResize(Widget);
+static void UpdateTextInRectangle(TextWidget, XRectangle*);
+static void UpdateTextInLine(TextWidget, int, int, int);
+static void VScroll(Widget, XtPointer, XtPointer);
+static void VJump(Widget, XtPointer, XtPointer);
+
+/*
+ * External
+ */
+void _XawTextAlterSelection(TextWidget,
+ XawTextSelectionMode, XawTextSelectionAction,
+ String*, Cardinal*);
+void _XawTextCheckResize(TextWidget);
+void _XawTextClearAndCenterDisplay(TextWidget);
+void _XawTextExecuteUpdate(TextWidget);
+char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition);
+void _XawTextPrepareToUpdate(TextWidget);
+int _XawTextReplace(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextBlock*);
+Atom *_XawTextSelectionList(TextWidget, String*, Cardinal);
+void _XawTextSetScrollBars(TextWidget);
+void _XawTextSetSelection(TextWidget, XawTextPosition, XawTextPosition,
+ String*, Cardinal);
+void _XawTextVScroll(TextWidget, int);
+void XawTextScroll(TextWidget, int, int);
+void _XawTextSetSource(Widget, Widget, XawTextPosition, XawTextPosition);
+#ifndef OLDXAW
+void _XawTextSetLineAndColumnNumber(TextWidget, Bool);
+#endif
+void _XawTextSourceChanged(Widget, XawTextPosition, XawTextPosition,
+ XawTextBlock*, int);
+
+/* Not used by other modules, but were extern on previous versions
+ * of the library
+ */
+void _XawTextShowPosition(TextWidget);
+
+/*
+ * From TextAction.c
+ */
+extern void _XawTextZapSelection(TextWidget, XEvent*, Bool);
+
+/*
+ * From TextSrc.c
+ */
+void _XawSourceAddText(Widget, Widget);
+void _XawSourceRemoveText(Widget, Widget, Bool);
+Bool _XawTextSourceNewLineAtEOF(Widget);
+
+/*
+ * From TextSink.c
+ */
+void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned);
+void _XawTextSinkDisplayText(Widget, int, int, XawTextPosition, XawTextPosition,
+ Bool);
+
+/****************************************************************
+ *
+ * Full class record constant
+ *
+ ****************************************************************/
+/*
+ * From TextTr.c
+ */
+static XawTextSelectType defaultSelectTypes[] = {
+ XawselectPosition, XawselectAlphaNumeric, XawselectWord, XawselectLine,
+ XawselectParagraph, XawselectAll, XawselectNull,
+};
+
+static XPointer defaultSelectTypesPtr = (XPointer)defaultSelectTypes;
+static Dimension defWidth = 100;
+static Dimension defHeight = DEFAULT_TEXT_HEIGHT;
+
+#define offset(field) XtOffsetOf(TextRec, field)
+static XtResource resources[] = {
+ {
+ XtNwidth,
+ XtCWidth,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(core.width),
+ XtRDimension,
+ (XtPointer)&defWidth
+ },
+ {
+ XtNcursor,
+ XtCCursor,
+ XtRCursor,
+ sizeof(Cursor),
+ offset(simple.cursor),
+ XtRString,
+ "xterm"
+ },
+ {
+ XtNheight,
+ XtCHeight,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(core.height),
+ XtRDimension,
+ (XtPointer)&defHeight
+ },
+ {
+ XtNdisplayPosition,
+ XtCTextPosition,
+ XtRInt,
+ sizeof(XawTextPosition),
+ offset(text.lt.top),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNinsertPosition,
+ XtCTextPosition,
+ XtRInt,
+ sizeof(XawTextPosition),
+ offset(text.insertPos),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNleftMargin,
+ XtCMargin,
+ XtRPosition,
+ sizeof(Position),
+ offset(text.r_margin.left),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNrightMargin,
+ XtCMargin,
+ XtRPosition,
+ sizeof(Position),
+ offset(text.r_margin.right),
+ XtRImmediate,
+ (XtPointer)4
+ },
+ {
+ XtNtopMargin,
+ XtCMargin,
+ XtRPosition,
+ sizeof(Position),
+ offset(text.r_margin.top),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNbottomMargin,
+ XtCMargin,
+ XtRPosition,
+ sizeof(Position),
+ offset(text.r_margin.bottom),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNselectTypes,
+ XtCSelectTypes,
+ XtRPointer,
+ sizeof(XawTextSelectType*),
+ offset(text.sarray),
+ XtRPointer,
+ (XtPointer)&defaultSelectTypesPtr
+ },
+ {
+ XtNtextSource,
+ XtCTextSource,
+ XtRWidget,
+ sizeof(Widget),
+ offset(text.source),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNtextSink,
+ XtCTextSink,
+ XtRWidget,
+ sizeof(Widget),
+ offset(text.sink),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNdisplayCaret,
+ XtCOutput,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(text.display_caret),
+ XtRImmediate,
+ (XtPointer)True
+ },
+ {
+ XtNscrollVertical,
+ XtCScroll,
+ XtRScrollMode,
+ sizeof(XawTextScrollMode),
+ offset(text.scroll_vert),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNscrollHorizontal,
+ XtCScroll,
+ XtRScrollMode,
+ sizeof(XawTextScrollMode),
+ offset(text.scroll_horiz),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNwrap,
+ XtCWrap,
+ XtRWrapMode,
+ sizeof(XawTextWrapMode),
+ offset(text.wrap),
+ XtRImmediate,
+ (XtPointer)XawtextWrapNever
+ },
+ {
+ XtNautoFill,
+ XtCAutoFill,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(text.auto_fill),
+ XtRImmediate,
+ (XtPointer)False
+ },
+#ifndef OLDXAW
+ {
+ XtNpositionCallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(text.position_callbacks),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNleftColumn,
+ XtCColumn,
+ XtRShort,
+ sizeof(short),
+ offset(text.left_column),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNrightColumn,
+ XtCColumn,
+ XtRShort,
+ sizeof(short),
+ offset(text.right_column),
+ XtRImmediate,
+ (XtPointer)0
+ },
+ {
+ XtNjustifyMode,
+ XtCJustifyMode,
+ XtRJustifyMode,
+ sizeof(XawTextJustifyMode),
+ offset(text.justify),
+ XtRImmediate,
+ (XtPointer)XawjustifyLeft
+ },
+#endif /* OLDXAW */
+};
+#undef offset
+
+#define done(address, type) \
+ { toVal->size = sizeof(type); toVal->addr = (XPointer)address; }
+
+static XrmQuark QWrapNever, QWrapLine, QWrapWord;
+#ifndef notdef
+static XrmQuark QScrollNever, QScrollWhenNeeded, QScrollAlways;
+#endif
+static XrmQuark QJustifyLeft, QJustifyRight, QJustifyCenter, QJustifyFull;
+
+/*ARGSUSED*/
+static void
+CvtStringToScrollMode(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static XawTextScrollMode scrollMode = XawtextScrollNever;
+ XrmQuark q;
+ char name[32];
+
+ XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name));
+ q = XrmStringToQuark(name);
+
+ if (q == QScrollNever || q == QScrollWhenNeeded)
+ scrollMode = XawtextScrollNever;
+ else if (q == QScrollAlways)
+ scrollMode = XawtextScrollAlways;
+ else if (strcmp(name, "true") == 0 || strcmp(name, "1") == 0)
+ scrollMode = XawtextScrollAlways;
+ else if (strcmp(name, "false") == 0 || strcmp(name, "0") == 0)
+ scrollMode = XawtextScrollNever;
+ else
+ XtStringConversionWarning((char *)fromVal->addr, XtRScrollMode);
+
+ done(&scrollMode, XawTextScrollMode);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtScrollModeToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal, XtPointer *data)
+{
+ static char *buffer;
+ Cardinal size;
+
+ switch (*(XawTextScrollMode *)fromVal->addr) {
+ case XawtextScrollNever:
+ case XawtextScrollWhenNeeded:
+ buffer = XtEtextScrollNever;
+ break;
+ case XawtextScrollAlways:
+ buffer = XtEtextScrollAlways;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtRScrollMode);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+/*ARGSUSED*/
+static void
+CvtStringToWrapMode(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static XawTextWrapMode wrapMode = XawtextWrapNever;
+ XrmQuark q;
+ char lowerName[6];
+
+ XmuNCopyISOLatin1Lowered(lowerName, (char *)fromVal->addr,
+ sizeof(lowerName));
+ q = XrmStringToQuark(lowerName);
+
+ if (q == QWrapNever)
+ wrapMode = XawtextWrapNever;
+ else if (q == QWrapLine)
+ wrapMode = XawtextWrapLine;
+ else if (q == QWrapWord)
+ wrapMode = XawtextWrapWord;
+ else
+ XtStringConversionWarning((char *)fromVal->addr, XtRWrapMode);
+
+ done(&wrapMode, XawTextWrapMode);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtWrapModeToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal, XtPointer *data)
+{
+ static char *buffer;
+ Cardinal size;
+
+ switch (*(XawTextWrapMode *)fromVal->addr) {
+ case XawtextWrapNever:
+ buffer = XtEtextWrapNever;
+ break;
+ case XawtextWrapLine:
+ buffer = XtEtextWrapLine;
+ break;
+ case XawtextWrapWord:
+ buffer = XtEtextWrapWord;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtRWrapMode);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtStringToJustifyMode(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal, XtPointer *data)
+{
+ XawTextJustifyMode justify;
+ XrmQuark q;
+ char lowerName[8];
+
+ XmuNCopyISOLatin1Lowered(lowerName, (char *)fromVal->addr,
+ sizeof(lowerName));
+ q = XrmStringToQuark(lowerName);
+
+ if (q == QJustifyLeft)
+ justify = XawjustifyLeft;
+ else if (q == QJustifyRight)
+ justify = XawjustifyRight;
+ else if (q == QJustifyCenter)
+ justify = XawjustifyCenter;
+ else if(q == QJustifyFull)
+ justify = XawjustifyFull;
+ else {
+ XtStringConversionWarning((char *)fromVal->addr, XtRJustifyMode);
+ return (False);
+ }
+
+ toVal->size = sizeof(XawTextJustifyMode);
+ *(XawTextJustifyMode *)(toVal->addr) = justify;
+
+ return (True);
+}
+
+
+/*ARGSUSED*/
+static Boolean
+CvtJustifyModeToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal, XtPointer *data)
+{
+ static char *buffer;
+ Cardinal size;
+
+ switch (*(XawTextJustifyMode *)fromVal->addr) {
+ case XawjustifyLeft:
+ buffer = XtEtextJustifyLeft;
+ break;
+ case XawjustifyRight:
+ buffer = XtEtextJustifyRight;
+ break;
+ case XawjustifyCenter:
+ buffer = XtEtextJustifyCenter;
+ break;
+ case XawjustifyFull:
+ buffer = XtEtextJustifyFull;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtRJustifyMode);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+#undef done
+
+static void
+XawTextClassInitialize(void)
+{
+ if (!XawFmt8Bit)
+ FMT8BIT = XawFmt8Bit = XrmPermStringToQuark("FMT8BIT");
+ if (!XawFmtWide)
+ XawFmtWide = XrmPermStringToQuark("FMTWIDE");
+
+ XawInitializeWidgetSet();
+
+ textClassRec.core_class.num_actions = _XawTextActionsTableCount;
+
+ QWrapNever = XrmPermStringToQuark(XtEtextWrapNever);
+ QWrapLine = XrmPermStringToQuark(XtEtextWrapLine);
+ QWrapWord = XrmPermStringToQuark(XtEtextWrapWord);
+ XtAddConverter(XtRString, XtRWrapMode, CvtStringToWrapMode, NULL, 0);
+ XtSetTypeConverter(XtRWrapMode, XtRString, CvtWrapModeToString,
+ NULL, 0, XtCacheNone, NULL);
+ QScrollNever = XrmPermStringToQuark(XtEtextScrollNever);
+ QScrollWhenNeeded = XrmPermStringToQuark(XtEtextScrollWhenNeeded);
+ QScrollAlways = XrmPermStringToQuark(XtEtextScrollAlways);
+ XtAddConverter(XtRString, XtRScrollMode, CvtStringToScrollMode,
+ NULL, 0);
+ XtSetTypeConverter(XtRScrollMode, XtRString, CvtScrollModeToString,
+ NULL, 0, XtCacheNone, NULL);
+ QJustifyLeft = XrmPermStringToQuark(XtEtextJustifyLeft);
+ QJustifyRight = XrmPermStringToQuark(XtEtextJustifyRight);
+ QJustifyCenter = XrmPermStringToQuark(XtEtextJustifyCenter);
+ QJustifyFull = XrmPermStringToQuark(XtEtextJustifyFull);
+ XtSetTypeConverter(XtRString, XtRJustifyMode, CvtStringToJustifyMode,
+ NULL, 0, XtCacheNone, NULL);
+ XtSetTypeConverter(XtRJustifyMode, XtRString, CvtJustifyModeToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/*
+ * Function:
+ * PositionHScrollBar
+ *
+ * Parameters:
+ * ctx - text widget
+ *
+ * Description:
+ * Positions the Horizontal scrollbar.
+ */
+static void
+PositionHScrollBar(TextWidget ctx)
+{
+ Widget hbar = ctx->text.hbar, vbar = ctx->text.vbar;
+ Position x, y;
+ Dimension width, height;
+
+ if (ctx->text.hbar == NULL)
+ return;
+
+ if (vbar != NULL)
+ x = XtWidth(vbar);
+ else
+ x = -XtBorderWidth(hbar);
+ y = XtHeight(ctx) - XtHeight(hbar) - XtBorderWidth(hbar);
+ if (vbar != NULL) {
+ width = XtWidth(ctx) - XtWidth(vbar) - XtBorderWidth(vbar);
+ if (width > XtWidth(ctx))
+ width = XtWidth(ctx);
+ }
+ else
+ width = XtWidth(ctx);
+ height = XtHeight(hbar);
+
+ XtConfigureWidget(hbar, x, y, width, height, XtBorderWidth(hbar));
+}
+
+/*
+ * Function:
+ * PositionVScrollBar
+ *
+ * Parameters:
+ * ctx - text widget
+ *
+ * Description:
+ * Positions the Vertical scrollbar.
+ */
+static void
+PositionVScrollBar(TextWidget ctx)
+{
+ Widget vbar = ctx->text.vbar;
+ Position x, y;
+ Dimension width, height;
+
+ if (vbar == NULL)
+ return;
+
+ x = y = -XtBorderWidth(vbar);
+ height = XtHeight(ctx);
+ width = XtWidth(vbar);
+
+ XtConfigureWidget(vbar, x, y, width, height, XtBorderWidth(vbar));
+}
+
+static void
+CreateVScrollBar(TextWidget ctx)
+{
+ Widget vbar;
+
+ if (ctx->text.vbar != NULL)
+ return;
+
+ ctx->text.vbar = vbar =
+ XtCreateWidget("vScrollbar", scrollbarWidgetClass, (Widget)ctx, NULL, 0);
+ XtAddCallback(vbar, XtNscrollProc, VScroll, (XtPointer)ctx);
+ XtAddCallback(vbar, XtNjumpProc, VJump, (XtPointer)ctx);
+
+ ctx->text.r_margin.left += XtWidth(vbar) + XtBorderWidth(vbar);
+ ctx->text.left_margin = ctx->text.margin.left = ctx->text.r_margin.left;
+
+ PositionVScrollBar(ctx);
+ PositionHScrollBar(ctx);
+ TextSinkResize(ctx->text.sink);
+
+ if (XtIsRealized((Widget)ctx)) {
+ XtRealizeWidget(vbar);
+ XtMapWidget(vbar);
+ }
+ XtSetKeyboardFocus(vbar, (Widget)ctx);
+}
+
+/*
+ * Function:
+ * DestroyVScrollBar
+ *
+ * Parameters:
+ * ctx - parent text widget
+ *
+ * Description:
+ * Removes vertical ScrollBar.
+ */
+static void
+DestroyVScrollBar(TextWidget ctx)
+{
+ Widget vbar = ctx->text.vbar;
+
+ if (vbar == NULL)
+ return;
+
+ ctx->text.r_margin.left -= XtWidth(vbar) + XtBorderWidth(vbar);
+ ctx->text.left_margin = ctx->text.margin.left = ctx->text.r_margin.left;
+
+ XtDestroyWidget(vbar);
+ ctx->text.vbar = NULL;
+ if (!ctx->core.being_destroyed) {
+ PositionHScrollBar(ctx);
+ TextSinkResize(ctx->text.sink);
+ }
+}
+
+static void
+CreateHScrollBar(TextWidget ctx)
+{
+ Arg args[1];
+ Widget hbar;
+ int bottom;
+
+ if (ctx->text.hbar != NULL)
+ return;
+
+ XtSetArg(args[0], XtNorientation, XtorientHorizontal);
+ ctx->text.hbar = hbar =
+ XtCreateWidget("hScrollbar", scrollbarWidgetClass, (Widget)ctx, args, 1);
+ XtAddCallback(hbar, XtNscrollProc, HScroll, (XtPointer)ctx);
+ XtAddCallback(hbar, XtNjumpProc, HJump, (XtPointer)ctx);
+
+ bottom = ctx->text.r_margin.bottom + XtHeight(hbar) + XtBorderWidth(hbar);
+
+ ctx->text.margin.bottom = ctx->text.r_margin.bottom = bottom;
+
+ PositionHScrollBar(ctx);
+ TextSinkResize(ctx->text.sink);
+
+ if (XtIsRealized((Widget)ctx)) {
+ XtRealizeWidget(hbar);
+ XtMapWidget(hbar);
+ }
+ XtSetKeyboardFocus(hbar, (Widget)ctx);
+}
+
+/*
+ * Function:
+ * DestroyHScrollBar
+ *
+ * Parameters:
+ * ctx - parent text widget
+ *
+ * Description:
+ * Removes horizontal ScrollBar.
+ */
+static void
+DestroyHScrollBar(TextWidget ctx)
+{
+ Widget hbar = ctx->text.hbar;
+
+ if (hbar == NULL)
+ return;
+
+ ctx->text.r_margin.bottom -= XtHeight(hbar) + XtBorderWidth(hbar);
+ ctx->text.margin.bottom = ctx->text.r_margin.bottom;
+
+ XtDestroyWidget(hbar);
+ ctx->text.hbar = NULL;
+ if (!ctx->core.being_destroyed)
+ TextSinkResize(ctx->text.sink);
+}
+
+/*ARGSUSED*/
+static void
+XawTextInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TextWidget ctx = (TextWidget)cnew;
+
+ ctx->text.lt.lines = 0;
+ ctx->text.lt.info = (XawTextLineTableEntry *)
+ XtCalloc(1, sizeof(XawTextLineTableEntry));
+#ifndef OLDXAW
+ ctx->text.lt.base_line = 1;
+#endif
+ (void)bzero(&ctx->text.origSel, sizeof(XawTextSelection));
+ (void)bzero(&ctx->text.s, sizeof(XawTextSelection));
+ ctx->text.s.type = XawselectPosition;
+ ctx->text.salt = NULL;
+ ctx->text.hbar = ctx->text.vbar = NULL;
+ ctx->text.lasttime = 0;
+ ctx->text.time = 0;
+ ctx->text.showposition = True;
+ ctx->text.lastPos = ctx->text.source != NULL ?
+ XawTextGetLastPosition(ctx) : 0;
+ ctx->text.file_insert = NULL;
+ ctx->text.search = NULL;
+ ctx->text.update = XmuNewScanline(0, 0, 0);
+ ctx->text.gc = XtGetGC(cnew, 0, 0);
+ ctx->text.hasfocus = False;
+ ctx->text.margin = ctx->text.r_margin; /* Strucure copy */
+ ctx->text.left_margin = ctx->text.r_margin.left;
+ ctx->text.update_disabled = False;
+ ctx->text.clear_to_eol = True;
+ ctx->text.old_insert = -1;
+ ctx->text.mult = 1;
+ ctx->text.salt2 = NULL;
+ ctx->text.from_left = -1;
+
+#ifndef OLDXAW
+ ctx->text.numeric = False;
+ ctx->text.selection_state = False;
+ ctx->text.kill_ring = 0;
+
+ ctx->text.line_number = -1;
+ ctx->text.column_number = -1;
+ ctx->text.source_changed = SRC_CHANGE_NONE;
+
+ ctx->text.kill_ring_ptr = NULL;
+ ctx->text.overwrite = False;
+#endif
+
+ if (XtHeight(ctx) == DEFAULT_TEXT_HEIGHT) {
+ XtHeight(ctx) = VMargins(ctx);
+ if (ctx->text.sink != NULL)
+ XtHeight(ctx) += XawTextSinkMaxHeight(ctx->text.sink, 1);
+ }
+
+ if (ctx->text.scroll_vert == XawtextScrollAlways)
+ CreateVScrollBar(ctx);
+ if (ctx->text.scroll_horiz == XawtextScrollAlways)
+ CreateHScrollBar(ctx);
+
+#ifndef OLDXAW
+ if (ctx->text.left_column < 0)
+ ctx->text.left_column = 0;
+ if (ctx->text.right_column < 0)
+ ctx->text.right_column = 0;
+#endif
+}
+
+static void
+XawTextRealize(Widget w, XtValueMask *mask, XSetWindowAttributes *attr)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ (*textClassRec.core_class.superclass->core_class.realize)(w, mask, attr);
+
+ if (ctx->text.hbar != NULL) {
+ XtRealizeWidget(ctx->text.hbar);
+ XtMapWidget(ctx->text.hbar);
+ }
+
+ if (ctx->text.vbar != NULL) {
+ XtRealizeWidget(ctx->text.vbar);
+ XtMapWidget(ctx->text.vbar);
+ }
+
+ _XawTextBuildLineTable(ctx, ctx->text.lt.top, True);
+
+#ifndef OLDXAW
+ _XawTextSetLineAndColumnNumber(ctx, True);
+#endif
+}
+
+/* Utility routines for support of Text */
+static void
+_CreateCutBuffers(Display *d)
+{
+ static struct _DisplayRec {
+ struct _DisplayRec *next;
+ Display *dpy;
+ } *dpy_list = NULL;
+ struct _DisplayRec *dpy_ptr;
+
+ for (dpy_ptr = dpy_list; dpy_ptr != NULL; dpy_ptr = dpy_ptr->next)
+ if (dpy_ptr->dpy == d)
+ return;
+
+ dpy_ptr = XtNew(struct _DisplayRec);
+ dpy_ptr->next = dpy_list;
+ dpy_ptr->dpy = d;
+ dpy_list = dpy_ptr;
+
+#define Create(buffer) \
+ XChangeProperty(d, RootWindow(d, 0), buffer, XA_STRING, 8, \
+ PropModeAppend, NULL, 0);
+
+ Create(XA_CUT_BUFFER0);
+ Create(XA_CUT_BUFFER1);
+ Create(XA_CUT_BUFFER2);
+ Create(XA_CUT_BUFFER3);
+ Create(XA_CUT_BUFFER4);
+ Create(XA_CUT_BUFFER5);
+ Create(XA_CUT_BUFFER6);
+ Create(XA_CUT_BUFFER7);
+
+#undef Create
+}
+
+/*
+ * Procedure to manage insert cursor visibility for editable text. It uses
+ * the value of ctx->insertPos and an implicit argument. In the event that
+ * position is immediately preceded by an eol graphic, then the insert cursor
+ * is displayed at the beginning of the next line.
+ */
+static void
+InsertCursor(Widget w, XawTextInsertState state)
+{
+ TextWidget ctx = (TextWidget)w;
+ int x, y;
+ int line;
+
+ if (ctx->text.lt.lines < 1)
+ return;
+
+ if (ctx->text.display_caret &&
+ LineAndXYForPosition(ctx, ctx->text.insertPos, &line, &x, &y)) {
+ if (line < ctx->text.lt.lines)
+ y += (ctx->text.lt.info[line + 1].y - ctx->text.lt.info[line].y) + 1;
+ else
+ y += (ctx->text.lt.info[line].y - ctx->text.lt.info[line - 1].y) + 1;
+
+ XawTextSinkInsertCursor(ctx->text.sink, x, y, state);
+ }
+
+ /* Keep Input Method up to speed */
+ if (ctx->simple.international) {
+ Arg list[1];
+
+ XtSetArg(list[0], XtNinsertPosition, ctx->text.insertPos);
+ _XawImSetValues(w, list, 1);
+ }
+}
+
+/*
+ * Procedure to register a span of text that is no longer valid on the display
+ * It is used to avoid a number of small, and potentially overlapping, screen
+ * updates.
+*/
+void
+_XawTextNeedsUpdating(TextWidget ctx,
+ XawTextPosition left, XawTextPosition right)
+{
+ XmuSegment segment;
+
+ if (left >= right)
+ return;
+
+ segment.x1 = (int)left;
+ segment.x2 = (int)right;
+ (void)XmuScanlineOrSegment(ctx->text.update, &segment);
+}
+
+/*
+ * Procedure to read a span of text in Ascii form. This is purely a hack and
+ * we probably need to add a function to sources to provide this functionality.
+ * [note: this is really a private procedure but is used in multiple modules].
+ */
+char *
+_XawTextGetText(TextWidget ctx, XawTextPosition left, XawTextPosition right)
+{
+ char *result, *tempResult;
+ XawTextBlock text;
+ int bytes;
+
+ if (XawTextFormat(ctx, XawFmt8Bit))
+ bytes = sizeof(unsigned char);
+ else if (XawTextFormat(ctx, XawFmtWide))
+ bytes = sizeof(wchar_t);
+ else /* if there is another fomat, add here */
+ bytes = 1;
+
+ /* leave space for ZERO */
+ tempResult = result = XtMalloc((unsigned)(right - left + ONE) * bytes);
+
+ while (left < right) {
+ left = SrcRead(ctx->text.source, left, &text, (int)(right - left));
+ if (!text.length)
+ break;
+ memmove(tempResult, text.ptr, (unsigned)(text.length * bytes));
+ tempResult += text.length * bytes;
+ }
+
+ if (bytes == sizeof(wchar_t))
+ *((wchar_t*)tempResult) = (wchar_t)0;
+ else
+ *tempResult = '\0';
+
+ return (result);
+}
+
+/* Like _XawTextGetText, but enforces ICCCM STRING type encoding. This
+ * routine is currently used to put just the ASCII chars in the selection
+ * into a cut buffer.
+ */
+char *
+_XawTextGetSTRING(TextWidget ctx, XawTextPosition left, XawTextPosition right)
+{
+ unsigned char *s;
+ unsigned char c;
+ long i, j, n;
+ wchar_t *ws, wc;
+
+ /* allow ESC in accordance with ICCCM */
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ MultiSinkObject sink = (MultiSinkObject)ctx->text.sink;
+ ws = (wchar_t *)_XawTextGetText(ctx, left, right);
+ n = wcslen(ws);
+ for (j = 0, i = 0; j < n; j++) {
+ wc = ws[j];
+ if (XwcTextEscapement (sink->multi_sink.fontset, &wc, 1)
+ || (wc == _Xaw_atowc(XawTAB)) || (wc == _Xaw_atowc(XawLF))
+ || (wc == _Xaw_atowc(XawESC)))
+ ws[i++] = wc;
+ }
+ ws[i] = (wchar_t)0;
+ return ((char *)ws);
+ }
+ else {
+ s = (unsigned char *)_XawTextGetText(ctx, left, right);
+ /* only HT and NL control chars are allowed, strip out others */
+ n = strlen((char *)s);
+ i = 0;
+ for (j = 0; j < n; j++) {
+ c = s[j];
+ if (((c >= 0x20) && c <= 0x7f)
+ ||(c >= 0xa0) || (c == XawTAB) || (c == XawLF)
+ || (c == XawESC)) {
+ s[i] = c;
+ i++;
+ }
+ }
+ s[i] = 0;
+
+ return ((char *)s);
+ }
+}
+
+/*
+ * This routine maps an x and y position in a window that is displaying text
+ * into the corresponding position in the source.
+ */
+static XawTextPosition
+PositionForXY(TextWidget ctx, int x, int y)
+{
+ int fromx, line, width, height;
+ XawTextPosition position;
+
+ if (ctx->text.lt.lines == 0)
+ return (0);
+
+ for (line = 0; line < ctx->text.lt.lines - 1; line++) {
+ if (y <= ctx->text.lt.info[line + 1].y)
+ break;
+ }
+ position = ctx->text.lt.info[line].position;
+ if (position >= ctx->text.lastPos)
+ return (ctx->text.lastPos);
+ fromx = ctx->text.left_margin;
+ XawTextSinkFindPosition(ctx->text.sink, position, fromx, x - fromx,
+ False, &position, &width, &height);
+
+ if (position > ctx->text.lastPos)
+ return (ctx->text.lastPos);
+
+ if (position >= ctx->text.lt.info[line + 1].position)
+ position = SrcScan(ctx->text.source, ctx->text.lt.info[line + 1].position,
+ XawstPositions, XawsdLeft, 1, True);
+
+ return (position);
+}
+
+/*
+ * This routine maps a source position in to the corresponding line number
+ * of the text that is displayed in the window.
+ */
+static int
+LineForPosition(TextWidget ctx, XawTextPosition position)
+{
+ int line;
+
+ for (line = 0; line < ctx->text.lt.lines; line++)
+ if (position < ctx->text.lt.info[line + 1].position)
+ break;
+
+ return (line);
+}
+
+/*
+ * This routine maps a source position into the corresponding line number
+ * and the x, y coordinates of the text that is displayed in the window.
+ */
+static Bool
+LineAndXYForPosition(TextWidget ctx, XawTextPosition pos,
+ int *line, int *x, int *y)
+{
+ XawTextPosition linePos, endPos;
+ Boolean visible;
+ int realW, realH;
+
+ *line = 0;
+ *x = ctx->text.left_margin;
+ *y = ctx->text.margin.top + 1;
+ if ((visible = IsPositionVisible(ctx, pos)) != False) {
+ *line = LineForPosition(ctx, pos);
+ *y = ctx->text.lt.info[*line].y;
+ linePos = ctx->text.lt.info[*line].position;
+ XawTextSinkFindDistance(ctx->text.sink, linePos,
+ *x, pos, &realW, &endPos, &realH);
+ *x += realW;
+ }
+
+ return (visible);
+}
+
+/*
+ * This routine builds a line table. It does this by starting at the
+ * specified position and measuring text to determine the staring position
+ * of each line to be displayed. It also determines and saves in the
+ * linetable all the required metrics for displaying a given line (e.g.
+ * x offset, y offset, line length, etc.).
+ */
+void
+_XawTextBuildLineTable(TextWidget ctx, XawTextPosition position,
+ _XtBoolean force_rebuild)
+{
+ Dimension height = 0;
+ int lines = 0;
+ Cardinal size;
+
+ if ((int)XtHeight(ctx) > VMargins(ctx)) {
+ height = XtHeight(ctx) - VMargins(ctx);
+ lines = XawTextSinkMaxLines(ctx->text.sink, height);
+ }
+ size = sizeof(XawTextLineTableEntry) * (lines + 1);
+
+ if (lines != ctx->text.lt.lines || ctx->text.lt.info == NULL) {
+ ctx->text.lt.info = (XawTextLineTableEntry *)
+ XtRealloc((char *)ctx->text.lt.info, size);
+ ctx->text.lt.lines = lines;
+ force_rebuild = True;
+ }
+
+ if (force_rebuild) {
+ (void)bzero((char *)ctx->text.lt.info, size);
+ /* force a text update in the first text line if it is visible */
+ ctx->text.lt.info[0].position = (XawTextPosition)-1;
+ }
+ if (position != ctx->text.lt.info[0].position) {
+ (void)_BuildLineTable(ctx, position, 0);
+ ctx->text.clear_to_eol = True;
+ }
+}
+
+/*
+ * We may need to resize the line table here, since there maybe lines with
+ * different fonts (that can be shorter or taller than the default one)
+ */
+static XawTextPosition
+_BuildLineTable(TextWidget ctx, XawTextPosition position, int line)
+{
+ XawTextLineTableEntry *lt = ctx->text.lt.info + line;
+ XawTextPosition end, update_from = -1;
+ Position y;
+ int wwidth, width, height;
+#ifndef OLDXAW
+ Widget src = ctx->text.source;
+#endif
+ int max_y = (int)XtHeight(ctx) - (int)ctx->text.margin.bottom;
+
+ if (ctx->text.wrap == XawtextWrapNever)
+ wwidth = 0x7fffffff;
+ else
+ wwidth = GetMaxTextWidth(ctx);
+
+ /* XXX y may change, due to font size changes. See later */
+ y = line == 0 ? ctx->text.margin.top : lt->y;
+
+#ifndef OLDXAW
+ if (ctx->text.lt.base_line < 0) {
+ if (line == 0)
+ ctx->text.lt.top = position;
+ }
+ else if (line == 0) {
+ XawTextPosition pos = ctx->text.lt.top;
+ int base_line = ctx->text.lt.base_line;
+
+ if (position == 0)
+ base_line = 1;
+ else if (ctx->text.lt.base_line == 0 ||
+ ctx->text.source_changed == SRC_CHANGE_OVERLAP) {
+ pos = 0;
+ base_line = 1;
+
+ while (pos < position) {
+ pos = SrcScan(src, pos, XawstEOL, XawsdRight, 1, True);
+ if (pos <= position) {
+ ++base_line;
+ if (pos == ctx->text.lastPos) {
+ base_line -= !_XawTextSourceNewLineAtEOF(src);
+ break;
+ }
+ }
+ }
+ }
+ else if (ctx->text.wrap == XawtextWrapNever
+ && IsPositionVisible(ctx, position))
+ base_line += LineForPosition(ctx, position);
+ else if (pos < position) {
+ while (pos < position) {
+ pos = SrcScan(src, pos, XawstEOL, XawsdRight, 1, True);
+ if (pos <= position) {
+ ++base_line;
+ if (pos == ctx->text.lastPos) {
+ base_line -= !_XawTextSourceNewLineAtEOF(src);
+ break;
+ }
+ }
+ }
+ }
+ else if (pos > position) {
+ while (pos > position) {
+ pos = SrcScan(src, pos, XawstEOL, XawsdLeft, 1, False);
+ if (--pos >= position)
+ --base_line;
+ }
+ }
+
+ ctx->text.lt.top = position;
+ ctx->text.lt.base_line = base_line;
+ }
+#else
+ if (line == 0)
+ ctx->text.lt.top = position;
+#endif
+
+ /* CONSTCOND */
+ while (True) {
+ XawTextSinkFindPosition(ctx->text.sink, position, ctx->text.left_margin,
+ wwidth, ctx->text.wrap == XawtextWrapWord,
+ &end, &width, &height);
+
+ if (lt->position != position) {
+ _XawTextNeedsUpdating(ctx, position,
+ end <= position ? position + 1 : end);
+ ctx->text.clear_to_eol = True;
+ lt->position = position;
+ }
+ if (lt->y != y) {
+ if (update_from < 0)
+ update_from = line == 0 ?
+ ctx->text.lt.info[0].position :
+ ctx->text.lt.info[line - 1].position;
+ lt->y = y;
+ ctx->text.clear_to_eol = True;
+ }
+ if (lt->textWidth != width) {
+ if (lt->textWidth > width)
+ ctx->text.clear_to_eol = True;
+ lt->textWidth = width;
+ }
+ y += height;
+
+ if (end > ctx->text.lastPos) {
+ position = end;
+ ctx->text.clear_to_eol = True;
+ _XawTextNeedsUpdating(ctx, end, end + ctx->text.lt.lines - line);
+ while (line++ < ctx->text.lt.lines) {
+ if (line > 1 && y > max_y) {
+ ctx->text.lt.lines = line - 1;
+ break;
+ }
+ ++lt;
+ if (lt->y != y) {
+ if (update_from < 0)
+ update_from = line < 2 ?
+ ctx->text.lt.info[0].position :
+ ctx->text.lt.info[line - 2].position;
+ lt->y = y;
+ }
+ lt->position = ++position;
+ lt->textWidth = 0;
+ y += height;
+ }
+ if (update_from >= 0)
+ _XawTextNeedsUpdating(ctx, update_from,
+ ctx->text.lt.info[ctx->text.lt.lines].position);
+ _XawTextSetScrollBars(ctx);
+
+ return (ctx->text.lastPos);
+ }
+
+ if (line && y > max_y)
+ /* will return in the next loop */
+ ctx->text.lt.lines = line;
+
+ if (++line > ctx->text.lt.lines && y < max_y) {
+ /* grow the line table */
+ ctx->text.lt.info = (XawTextLineTableEntry *)
+ XtRealloc((char *)ctx->text.lt.info,
+ sizeof(XawTextLineTableEntry) * (line + 1));
+ lt = ctx->text.lt.info + line;
+ bzero(lt, sizeof(XawTextLineTableEntry));
+ ++ctx->text.lt.lines;
+ }
+ else
+ ++lt;
+ if (position == end)
+ ++position;
+ else
+ position = end;
+
+ if (line > ctx->text.lt.lines) {
+ if (update_from >= 0)
+ _XawTextNeedsUpdating(ctx, update_from,
+ ctx->text.lt.info[ctx->text.lt.lines].position);
+ _XawTextSetScrollBars(ctx);
+
+ return (position);
+ }
+ }
+ /*NOTREACHED*/
+}
+
+/*
+ * Function:
+ * GetWidestLine
+ *
+ * Parameters:
+ * ctx - text widget
+ *
+ * Description:
+ * Returns the width (in pixels) of the widest line that
+ * is currently visable.
+ *
+ * Returns:
+ * The width of the widest line
+ */
+static unsigned int
+GetWidestLine(TextWidget ctx)
+{
+ int i;
+ unsigned int widest;
+ XawTextLineTablePtr lt = &(ctx->text.lt);
+
+ for (i = 0, widest = 0; i < lt->lines; i++)
+ if (widest < lt->info[i].textWidth)
+ widest = lt->info[i].textWidth;
+
+ return (widest);
+}
+
+/*
+ * This routine is used by Text to notify an associated scrollbar of the
+ * correct metrics (position and shown fraction) for the text being currently
+ * displayed in the window.
+ */
+void
+_XawTextSetScrollBars(TextWidget ctx)
+{
+ float first, last, denom, widest;
+
+ if (ctx->text.scroll_vert == XawtextScrollAlways) {
+ if (ctx->text.lastPos == 0)
+ first = 0.0;
+ else
+ first = ctx->text.lt.top / (float)ctx->text.lastPos;
+
+ if (ctx->text.lt.info[ctx->text.lt.lines].position < ctx->text.lastPos)
+ last = ctx->text.lt.info[ctx->text.lt.lines].position /
+ (float)ctx->text.lastPos;
+ else
+ last = 1.0;
+
+ XawScrollbarSetThumb(ctx->text.vbar, first, last - first);
+ }
+
+ if (ctx->text.scroll_horiz == XawtextScrollAlways) {
+ denom = GetWidestLine(ctx);
+ if (denom <= 0)
+ denom = (int)XtWidth(ctx) - RHMargins(ctx);
+ if (denom <= 0)
+ denom = 1;
+ widest = ((int)XtWidth(ctx) - RHMargins(ctx)) / denom;
+ first = ctx->text.r_margin.left - ctx->text.left_margin;
+ first /= denom;
+
+ XawScrollbarSetThumb(ctx->text.hbar, first, widest);
+ }
+}
+
+static void
+DoCopyArea(TextWidget ctx, int src_x, int src_y,
+ unsigned int width, unsigned int height, int dst_x, int dst_y)
+{
+ int x1, y1, x2, y2;
+
+ x1 = ctx->text.r_margin.left;
+ y1 = ctx->text.r_margin.top;
+ x2 = XtWidth(ctx) - ctx->text.r_margin.right;
+ y2 = XtHeight(ctx) - ctx->text.r_margin.bottom;
+
+ if (x1 >= x2 || y1 >= y2)
+ return;
+
+ src_x = XawMax(x1, XawMin(src_x, x2));
+ src_y = XawMax(y1, XawMin(src_y, y2));
+ dst_x = XawMax(x1, XawMin(dst_x, x2));
+ dst_y = XawMax(y1, XawMin(dst_y, y2));
+ width = XawMax(0, XawMin(x2 - dst_x, (int)width));
+ height = XawMax(0, XawMin(y2 - dst_y, (int)height));
+
+ XCopyArea(XtDisplay(ctx), XtWindow(ctx), XtWindow(ctx), ctx->text.gc,
+ src_x, src_y, width, height, dst_x, dst_y);
+}
+
+/*
+ * Function:
+ * XawTextScroll
+ *
+ * Parameters:
+ * ctx - text widget
+ * vlines - number of lines to scroll vertically
+ * hpixels - number of pixels to scroll horizontally
+ *
+ * Description:
+ * Generic function for scrolling the text window.
+ * Allows vertical and horizontal scroll at the same time.
+ */
+void
+XawTextScroll(TextWidget ctx, int vlines, int hpixels)
+{
+ XawTextPosition top, tmp, update_from, update_to;
+ XawTextLineTable *lt;
+ Arg arglist[1];
+ int y0, y1, y2, count, dim, wwidth, lines = ctx->text.lt.lines;
+ int vwidth, vheight; /* visible width and height */
+ Bool scroll;
+
+ vwidth = (int)XtWidth(ctx) - RHMargins(ctx);
+ vheight = (int)XtHeight(ctx) - RVMargins(ctx);
+ lt = &ctx->text.lt;
+
+ if (!lt || vwidth <= 0 || vheight <= 0)
+ return;
+
+ if ((scroll = ctx->core.background_pixmap == XtUnspecifiedPixmap) == True) {
+ dim = lt->info[1].y - lt->info[0].y;
+ for (count = 1; count < lt->lines - 1; count++)
+ if (lt->info[count + 1].y - lt->info[count].y != dim) {
+ scroll = False;
+ break;
+ }
+ }
+
+ wwidth = GetMaxTextWidth(ctx);
+
+ /*
+ * Do the horizontall scrolling
+ */
+ if (hpixels < 0 && ctx->text.left_margin - hpixels > ctx->text.r_margin.left)
+ hpixels = ctx->text.left_margin - ctx->text.r_margin.left;
+ ctx->text.left_margin -= hpixels;
+
+ update_from = lt->top; /* remember the old value */
+ /*
+ * Checks the requested number of lines and calculates the top
+ * of the line table
+ */
+ if (vlines < 0) { /* VScroll Up */
+ if (IsPositionVisible(ctx, 0))
+ vlines = 0;
+ else if (ctx->text.wrap != XawtextWrapNever) {
+ XawTextPosition end;
+ int n_lines = 0;
+
+ count = -vlines;
+ end = lt->top;
+ while (n_lines < count) {
+ top = SrcScan(ctx->text.source, end, XawstEOL,
+ XawsdLeft, 2, False);
+ n_lines += CountLines(ctx, top, end);
+ end = top;
+ }
+
+ while (count++ < n_lines) {
+ tmp = top;
+ XawTextSinkFindPosition(ctx->text.sink, top,
+ ctx->text.left_margin,
+ wwidth,ctx->text.wrap == XawtextWrapWord,
+ &top, &dim, &dim);
+ if (tmp == top)
+ ++top;
+ }
+ }
+ else
+ top = SrcScan(ctx->text.source, lt->top, XawstEOL,
+ XawsdLeft, -vlines + 1, False);
+ if (-vlines >= ctx->text.lt.lines)
+ scroll = False;
+ }
+ else if (vlines > 0) { /* VScroll Down */
+ if (LineForPosition(ctx, ctx->text.lastPos) == 0)
+ vlines = 0;
+ if (vlines < lt->lines)
+ top = XawMin(lt->info[vlines].position, ctx->text.lastPos);
+ else if (ctx->text.wrap == XawtextWrapNever)
+ top = SrcScan(ctx->text.source,
+ SrcScan(ctx->text.source, lt->top,
+ XawstEOL, XawsdRight, vlines,
+ True),
+ XawstEOL, XawsdLeft, 1, False);
+ else {
+ top = lt->top;
+ count = 0;
+ while (count++ < vlines) {
+ tmp = top;
+ XawTextSinkFindPosition(ctx->text.sink, top,
+ ctx->text.left_margin,
+ wwidth, ctx->text.wrap == XawtextWrapWord,
+ &top, &dim, &dim);
+ if (tmp == top)
+ ++top;
+ }
+ }
+ if (vlines >= ctx->text.lt.lines
+ || lt->info[vlines].position >= ctx->text.lastPos)
+ scroll = False;
+ }
+
+ if (!vlines) {
+ if (hpixels) {
+ ClearWindow(ctx);
+ ctx->text.clear_to_eol = True;
+ }
+ _XawTextSetScrollBars(ctx);
+ return;
+ }
+
+ /* Flushes any pending updates. Normally, there may be a call to
+ * XawTextUnsetSelection not yet updated.
+ */
+ if (!hpixels && scroll) {
+ ctx->text.clear_to_eol = True;
+ FlushUpdate(ctx);
+ }
+
+ /*
+ * Rebuild the line table, doing the vertical scroll
+ */
+ (void)_BuildLineTable(ctx, top, 0);
+ lt = &ctx->text.lt;
+ if (scroll) {
+ for (count = 0; count < lt->lines - 1; count++)
+ if (lt->info[count + 1].y - lt->info[count].y != dim) {
+ scroll = False;
+ break;
+ }
+ }
+
+ XtSetArg(arglist[0], XtNinsertPosition, lt->top + lt->lines);
+ _XawImSetValues((Widget)ctx, arglist, 1);
+
+ if (hpixels || !scroll || lines != lt->lines)
+ return;
+
+ /* _BuildLineTable updates everything if the top position changes.
+ * It is not required here.
+ */
+ (void)XmuScanlineXor(ctx->text.update, ctx->text.update);
+ if (vlines < 0 && IsPositionVisible(ctx, 0))
+ vlines = -LineForPosition(ctx, update_from);
+
+ y0 = ctx->text.r_margin.top;
+ if (vlines < 0) {
+ update_from = lt->top;
+ update_to = lt->info[-vlines + 1].position - 1;
+ y1 = lt->info[lt->lines + vlines].y;
+ y2 = lt->info[-vlines].y;
+ DoCopyArea(ctx, ctx->text.r_margin.left, y0, vwidth,
+ y1 - y0,
+ ctx->text.r_margin.left, y2);
+ }
+ else {
+ update_from = lt->info[lt->lines - vlines].position;
+ update_to = lt->info[lt->lines].position;
+ y1 = lt->info[lt->lines - vlines].y;
+ y2 = lt->info[vlines].y;
+ DoCopyArea(ctx, ctx->text.r_margin.left, y2,
+ vwidth, lt->info[lt->lines].y - y2,
+ ctx->text.r_margin.left, y0);
+ }
+ _XawTextNeedsUpdating(ctx, update_from, update_to);
+ ctx->text.clear_to_eol = True;
+}
+
+/*
+ * The routine will scroll the displayed text by lines. If the arg is
+ * positive, move up; otherwise, move down. [note: this is really a private
+ * procedure but is used in multiple modules].
+ */
+void
+_XawTextVScroll(TextWidget ctx, int n)
+{
+ XawTextScroll(ctx, n, 0);
+}
+
+/*ARGSUSED*/
+static void
+HScroll(Widget w, XtPointer closure, XtPointer callData)
+{
+ TextWidget ctx = (TextWidget)closure;
+ long pixels = (long)callData;
+
+ if (pixels > 0) {
+ long max;
+
+ max = (int)GetWidestLine(ctx) + ctx->text.left_margin -
+ ctx->text.r_margin.left;
+ max = XawMax(0, max);
+ pixels = XawMin(pixels, max);
+ }
+
+ if (pixels) {
+ _XawTextPrepareToUpdate(ctx);
+ XawTextScroll(ctx, 0, pixels);
+ _XawTextExecuteUpdate(ctx);
+ }
+}
+
+/*ARGSUSED*/
+static void
+HJump(Widget w, XtPointer closure, XtPointer callData)
+{
+ TextWidget ctx = (TextWidget)closure;
+ float percent = *(float *)callData;
+ long pixels;
+
+ pixels = ctx->text.left_margin -
+ (ctx->text.r_margin.left - (int)(percent * GetWidestLine(ctx)));
+
+ HScroll(w, (XtPointer)ctx, (XtPointer)pixels);
+}
+
+/*
+ * Function:
+ * UpdateTextInLine
+ *
+ * Parameters:
+ * ctx - text widget
+ * line - line to update
+ * x1 - left pixel
+ * x2 - right pixel
+ *
+ * Description:
+ * Updates the text in the given line and pixel interval
+ */
+static void
+UpdateTextInLine(TextWidget ctx, int line, int x1, int x2)
+{
+ XawTextLineTableEntry *lt = ctx->text.lt.info + line;
+ XawTextPosition left, right;
+ int from_x, width, height;
+
+ if (lt->position >= ctx->text.lastPos
+ || ctx->text.left_margin > x2
+ || (int)lt->textWidth + ctx->text.left_margin < x1) {
+ /* Mark line to be cleared */
+ if (ctx->text.clear_to_eol)
+ _XawTextNeedsUpdating(ctx, lt->position, lt->position + 1);
+ return;
+ }
+
+ from_x = ctx->text.left_margin;
+ XawTextSinkFindPosition(ctx->text.sink, lt->position,
+ from_x, x1 - from_x,
+ False, &left, &width, &height);
+ if (line == ctx->text.lt.lines)
+ right = -1;
+ else if (x2 >= lt->textWidth - from_x)
+ right = lt[1].position - 1;
+ else {
+ from_x += width;
+ XawTextSinkFindPosition(ctx->text.sink, left,
+ from_x, x2 - from_x,
+ False, &right, &width, &height);
+ }
+
+ if ((right < 0) || (right + 1 <= lt[1].position))
+ ++right;
+
+ /* Mark text interval to be repainted */
+ _XawTextNeedsUpdating(ctx, left, right);
+}
+
+/*
+ * The routine will scroll the displayed text by pixels. If the calldata is
+ * positive, move up; otherwise, move down.
+ */
+/*ARGSUSED*/
+static void
+VScroll(Widget w, XtPointer closure, XtPointer callData)
+{
+ TextWidget ctx = (TextWidget)closure;
+ long height, lines = (long)callData;
+
+ height = XtHeight(ctx) - VMargins(ctx);
+ if (height < 1)
+ height = 1;
+ lines = (lines * ctx->text.lt.lines) / height;
+ _XawTextPrepareToUpdate(ctx);
+ XawTextScroll(ctx, lines, 0);
+ _XawTextExecuteUpdate(ctx);
+}
+
+/*ARGSUSED*/
+static void
+VJump(Widget w, XtPointer closure, XtPointer callData)
+{
+ float percent = *(float *)callData;
+ TextWidget ctx = (TextWidget)closure;
+ XawTextPosition top, last, position, tmp;
+ XawTextLineTable *lt = &(ctx->text.lt);
+ int dim, vlines = 0, wwidth = GetMaxTextWidth(ctx);
+ Bool scroll = True;
+
+ position = percent * ctx->text.lastPos;
+ top = lt->top;
+
+ if (!lt->lines || (position >= lt->top && position < lt->info[1].position)) {
+ _XawTextSetScrollBars(ctx);
+ return;
+ }
+
+#ifndef OLDXAW
+ ctx->text.lt.base_line = -1;
+#endif
+
+ if (position > lt->top) { /* VScroll Up */
+ if (position > lt->top && position < lt->info[lt->lines].position)
+ vlines = LineForPosition(ctx, position);
+ else {
+ scroll = False;
+ top = SrcScan(ctx->text.source, position, XawstEOL,
+ XawsdLeft, 1, False);
+ if (ctx->text.wrap != XawtextWrapNever) {
+ last = top;
+ while (last < position) {
+ tmp = last;
+ XawTextSinkFindPosition(ctx->text.sink, last,
+ ctx->text.left_margin, wwidth,
+ ctx->text.wrap == XawtextWrapWord,
+ &last, &dim, &dim);
+ if (last == tmp)
+ ++last;
+ if (last < position)
+ top = last;
+ }
+ }
+ }
+ }
+ else { /* VScroll Down */
+ /*
+ * Calculates the number of lines
+ */
+ while (top > position) {
+ last = top;
+ top = SrcScan(ctx->text.source, top, XawstEOL,
+ XawsdLeft, 2, False);
+ vlines -= CountLines(ctx, top, last);
+ if (-vlines >= ctx->text.lt.lines) {
+ scroll = False;
+ top = SrcScan(ctx->text.source, position, XawstEOL,
+ XawsdLeft, 1, False);
+ break;
+ }
+ }
+ /*
+ * Normalize
+ */
+ if (ctx->text.wrap != XawtextWrapNever) {
+ last = top;
+ while (last < position) {
+ tmp = last;
+ XawTextSinkFindPosition(ctx->text.sink, last,
+ ctx->text.left_margin,
+ wwidth,
+ ctx->text.wrap == XawtextWrapWord,
+ &last, &dim, &dim);
+ if (last == tmp)
+ ++last;
+ if (last < position)
+ top = last;
+ ++vlines;
+ }
+ }
+ }
+
+ if (vlines || !scroll) {
+ _XawTextPrepareToUpdate(ctx);
+ if (scroll)
+ XawTextScroll(ctx, vlines, 0);
+ else
+ _BuildLineTable(ctx, top, 0);
+ _XawTextExecuteUpdate(ctx);
+ }
+}
+
+static Bool
+MatchSelection(Atom selection, XawTextSelection *s)
+{
+ Atom *match;
+ int count;
+
+ for (count = 0, match = s->selections; count < s->atom_count;
+ match++, count++)
+ if (*match == selection)
+ return (True);
+
+ return (False);
+}
+
+static Boolean
+TextConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type,
+ XtPointer *value, unsigned long *length, int *format)
+{
+ Display *d = XtDisplay(w);
+ TextWidget ctx = (TextWidget)w;
+ Widget src = ctx->text.source;
+ XawTextEditType edit_mode;
+ Arg args[1];
+ XawTextSelectionSalt *salt = NULL;
+ XawTextSelection *s;
+
+ if (*target == XA_TARGETS(d)) {
+ Atom *targetP, *std_targets;
+ unsigned long std_length;
+
+ if (SrcCvtSel(src, selection, target, type, value, length, format))
+ return (True);
+
+ XtSetArg(args[0], XtNeditType, &edit_mode);
+ XtGetValues(src, args, ONE);
+
+ XmuConvertStandardSelection(w, ctx->text.time, selection,
+ target, type, (XPointer*)&std_targets,
+ &std_length, format);
+
+ *length = 7 + (edit_mode == XawtextEdit) + std_length;
+ *value = XtMalloc((unsigned)sizeof(Atom)*(*length));
+ targetP = *(Atom**)value;
+ *targetP++ = XA_STRING;
+ *targetP++ = XA_TEXT(d);
+ *targetP++ = XA_UTF8_STRING(d);
+ *targetP++ = XA_COMPOUND_TEXT(d);
+ *targetP++ = XA_LENGTH(d);
+ *targetP++ = XA_LIST_LENGTH(d);
+ *targetP++ = XA_CHARACTER_POSITION(d);
+ if (edit_mode == XawtextEdit) {
+ *targetP++ = XA_DELETE(d);
+ }
+ (void)memmove((char*)targetP, (char*)std_targets,
+ sizeof(Atom) * std_length);
+ XtFree((char*)std_targets);
+ *type = XA_ATOM;
+ *format = 32;
+ return (True);
+ }
+
+ if (SrcCvtSel(src, selection, target, type, value, length, format))
+ return (True);
+
+ if (MatchSelection(*selection, &ctx->text.s))
+ s = &ctx->text.s;
+ else {
+ for (salt = ctx->text.salt; salt; salt = salt->next)
+ if (MatchSelection(*selection, &salt->s))
+ break;
+ if (!salt)
+ return (False);
+ s = &salt->s;
+ }
+ if (*target == XA_STRING
+ || *target == XA_TEXT(d)
+ || *target == XA_UTF8_STRING(d)
+ || *target == XA_COMPOUND_TEXT(d)) {
+ if (*target == XA_TEXT(d)) {
+ if (XawTextFormat(ctx, XawFmtWide))
+ *type = XA_COMPOUND_TEXT(d);
+ else
+ *type = XA_STRING;
+ }
+ else
+ *type = *target;
+ /*
+ * If salt is True, the salt->contents stores CT string,
+ * its length is measured in bytes.
+ * Refer to _XawTextSaltAwaySelection().
+ *
+ * by Li Yuhong, Mar. 20, 1991.
+ */
+ if (!salt) {
+ *value = _XawTextGetSTRING(ctx, s->left, s->right);
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ XTextProperty textprop;
+ if (XwcTextListToTextProperty(d, (wchar_t **)value, 1,
+ XCompoundTextStyle, &textprop)
+ < Success) {
+ XtFree((char *)*value);
+ return (False);
+ }
+ XtFree((char *)*value);
+ *value = (XtPointer)textprop.value;
+ *length = textprop.nitems;
+ }
+ else
+ *length = strlen((char *)*value);
+ }
+ else {
+ *value = XtMalloc((salt->length + 1) * sizeof(unsigned char));
+ strcpy ((char *)*value, salt->contents);
+ *length = salt->length;
+ }
+ /* Got *value,*length, now in COMPOUND_TEXT format. */
+ if (XawTextFormat(ctx, XawFmtWide) && *type == XA_STRING) {
+ XTextProperty textprop;
+ wchar_t **wlist;
+ int count;
+
+ textprop.encoding = XA_COMPOUND_TEXT(d);
+ textprop.value = (unsigned char *)*value;
+ textprop.nitems = strlen(*value);
+ textprop.format = 8;
+ if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
+ < Success
+ || count < 1) {
+ XtFree((char *)*value);
+ return (False);
+ }
+ XtFree((char *)*value);
+ if (XwcTextListToTextProperty(d, wlist, 1, XStringStyle, &textprop)
+ < Success) {
+ XwcFreeStringList((wchar_t**) wlist);
+ return (False);
+ }
+ *value = (XtPointer)textprop.value;
+ *length = textprop.nitems;
+ XwcFreeStringList(wlist);
+ } else if (*type == XA_UTF8_STRING(d)) {
+ XTextProperty textprop;
+ char **list;
+ int count;
+
+ textprop.encoding = XA_COMPOUND_TEXT(d);
+ textprop.value = (unsigned char *)*value;
+ textprop.nitems = strlen(*value);
+ textprop.format = 8;
+ if (Xutf8TextPropertyToTextList(d, &textprop, &list, &count)
+ < Success
+ || count < 1) {
+ XtFree((char *)*value);
+ return (False);
+ }
+ XtFree((char *)*value);
+ *value = *list;
+ *length = strlen(*list);
+ XFree(list);
+ }
+ *format = 8;
+ return (True);
+ }
+
+ if ((*target == XA_LIST_LENGTH(d)) || (*target == XA_LENGTH(d))) {
+ long * temp;
+
+ temp = (long *)XtMalloc((unsigned)sizeof(long));
+ if (*target == XA_LIST_LENGTH(d))
+ *temp = 1L;
+ else /* *target == XA_LENGTH(d) */
+ *temp = (long) (s->right - s->left);
+
+ *value = (XPointer)temp;
+ *type = XA_INTEGER;
+ *length = 1L;
+ *format = 32;
+ return (True);
+ }
+
+ if (*target == XA_CHARACTER_POSITION(d)) {
+ long * temp;
+
+ temp = (long *)XtMalloc((unsigned)(2 * sizeof(long)));
+ temp[0] = (long)(s->left + 1);
+ temp[1] = s->right;
+ *value = (XPointer)temp;
+ *type = XA_SPAN(d);
+ *length = 2L;
+ *format = 32;
+ return (True);
+ }
+
+ if (*target == XA_DELETE(d)) {
+ if (!salt)
+ _XawTextZapSelection(ctx, NULL, True);
+ *value = NULL;
+ *type = XA_NULL(d);
+ *length = 0;
+ *format = 32;
+ return (True);
+ }
+
+ if (XmuConvertStandardSelection(w, ctx->text.time, selection, target, type,
+ (XPointer *)value, length, format))
+ return (True);
+
+ /* else */
+ return (False);
+}
+
+/*
+ * Function:
+ * GetCutBuffferNumber
+ *
+ * Parameters:
+ * atom - atom to check
+ *
+ * Description:
+ * Returns the number of the cut buffer.
+ *
+ * Returns:
+ * The number of the cut buffer representing this atom or NOT_A_CUT_BUFFER
+ */
+#define NOT_A_CUT_BUFFER -1
+static int
+GetCutBufferNumber(Atom atom)
+{
+ if (atom == XA_CUT_BUFFER0) return (0);
+ if (atom == XA_CUT_BUFFER1) return (1);
+ if (atom == XA_CUT_BUFFER2) return (2);
+ if (atom == XA_CUT_BUFFER3) return (3);
+ if (atom == XA_CUT_BUFFER4) return (4);
+ if (atom == XA_CUT_BUFFER5) return (5);
+ if (atom == XA_CUT_BUFFER6) return (6);
+ if (atom == XA_CUT_BUFFER7) return (7);
+ return (NOT_A_CUT_BUFFER);
+}
+
+static void
+TextLoseSelection(Widget w, Atom *selection)
+{
+ TextWidget ctx = (TextWidget)w;
+ Atom *atomP;
+ int i;
+ XawTextSelectionSalt*salt, *prevSalt, *nextSalt;
+
+ atomP = ctx->text.s.selections;
+ for (i = 0 ; i < ctx->text.s.atom_count; i++, atomP++)
+ if ((*selection == *atomP)
+ || (GetCutBufferNumber(*atomP) != NOT_A_CUT_BUFFER))
+ *atomP = (Atom)0;
+
+ while (ctx->text.s.atom_count
+ && ctx->text.s.selections[ctx->text.s.atom_count - 1] == 0)
+ ctx->text.s.atom_count--;
+
+ /*
+ * Must walk the selection list in opposite order from UnsetSelection
+ */
+ atomP = ctx->text.s.selections;
+ for (i = 0 ; i < ctx->text.s.atom_count; i++, atomP++)
+ if (*atomP == (Atom)0) {
+ *atomP = ctx->text.s.selections[--ctx->text.s.atom_count];
+ while (ctx->text.s.atom_count
+ && ctx->text.s.selections[ctx->text.s.atom_count-1] == 0)
+ ctx->text.s.atom_count--;
+ }
+
+ if (ctx->text.s.atom_count == 0)
+ ModifySelection(ctx, ctx->text.insertPos, ctx->text.insertPos);
+
+ prevSalt = 0;
+ for (salt = ctx->text.salt; salt; salt = nextSalt) {
+ atomP = salt->s.selections;
+ nextSalt = salt->next;
+ for (i = 0 ; i < salt->s.atom_count; i++, atomP++)
+ if (*selection == *atomP)
+ *atomP = (Atom)0;
+
+ while (salt->s.atom_count
+ && salt->s.selections[salt->s.atom_count-1] == 0)
+ salt->s.atom_count--;
+
+ /*
+ * Must walk the selection list in opposite order from UnsetSelection
+ */
+ atomP = salt->s.selections;
+ for (i = 0 ; i < salt->s.atom_count; i++, atomP++)
+ if (*atomP == (Atom)0) {
+ *atomP = salt->s.selections[--salt->s.atom_count];
+ while (salt->s.atom_count
+ && salt->s.selections[salt->s.atom_count-1] == 0)
+ salt->s.atom_count--;
+ }
+
+ if (salt->s.atom_count == 0) {
+ XtFree ((char *) salt->s.selections);
+ XtFree (salt->contents);
+ if (prevSalt)
+ prevSalt->next = nextSalt;
+ else
+ ctx->text.salt = nextSalt;
+ XtFree((char *)salt);
+ }
+ else
+ prevSalt = salt;
+ }
+}
+
+void
+_XawTextSaltAwaySelection(TextWidget ctx, Atom *selections, int num_atoms)
+{
+ XawTextSelectionSalt *salt;
+ int i, j;
+
+ for (i = 0; i < num_atoms; i++)
+ TextLoseSelection((Widget)ctx, selections + i);
+ if (num_atoms == 0)
+ return;
+ salt = (XawTextSelectionSalt *)
+ XtMalloc((unsigned)sizeof(XawTextSelectionSalt));
+ if (!salt)
+ return;
+ salt->s.selections = (Atom *)XtMalloc((unsigned)(num_atoms * sizeof(Atom)));
+ if (!salt->s.selections) {
+ XtFree((char *)salt);
+ return;
+ }
+ salt->s.left = ctx->text.s.left;
+ salt->s.right = ctx->text.s.right;
+ salt->s.type = ctx->text.s.type;
+ salt->contents = _XawTextGetSTRING(ctx, ctx->text.s.left, ctx->text.s.right);
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ XTextProperty textprop;
+ if (XwcTextListToTextProperty(XtDisplay((Widget)ctx),
+ (wchar_t**)(&(salt->contents)), 1,
+ XCompoundTextStyle,
+ &textprop) < Success) {
+ XtFree(salt->contents);
+ salt->length = 0;
+ return;
+ }
+ XtFree(salt->contents);
+ salt->contents = (char *)textprop.value;
+ salt->length = textprop.nitems;
+ }
+ else
+ salt->length = strlen (salt->contents);
+ salt->next = ctx->text.salt;
+ ctx->text.salt = salt;
+ j = 0;
+ for (i = 0; i < num_atoms; i++) {
+ if (GetCutBufferNumber (selections[i]) == NOT_A_CUT_BUFFER) {
+ salt->s.selections[j++] = selections[i];
+ XtOwnSelection((Widget)ctx, selections[i], ctx->text.time,
+ TextConvertSelection, TextLoseSelection, NULL);
+ }
+ }
+ salt->s.atom_count = j;
+}
+
+static void
+_SetSelection(TextWidget ctx, XawTextPosition left, XawTextPosition right,
+ Atom *selections, Cardinal count)
+{
+#ifndef OLDXAW
+ Cardinal i;
+ XawTextPosition pos;
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+
+ for (i = 0; i < src->textSrc.num_text; i++) {
+ TextWidget tw = (TextWidget)src->textSrc.text[i];
+ Bool needs_updating = tw->text.old_insert < 0;
+ Bool showposition = tw->text.showposition;
+
+ if (needs_updating) {
+ tw->text.showposition = False;
+ _XawTextPrepareToUpdate(tw);
+ }
+#else
+ TextWidget tw = ctx;
+ XawTextPosition pos;
+#endif /* OLDXAW */
+
+ if (left < tw->text.s.left) {
+ pos = Min(right, tw->text.s.left);
+ _XawTextNeedsUpdating(tw, left, pos);
+ }
+ if (left > tw->text.s.left) {
+ pos = Min(left, tw->text.s.right);
+ _XawTextNeedsUpdating(tw, tw->text.s.left, pos);
+ }
+ if (right < tw->text.s.right) {
+ pos = Max(right, tw->text.s.left);
+ _XawTextNeedsUpdating(tw, pos, tw->text.s.right);
+ }
+ if (right > tw->text.s.right) {
+ pos = Max(left, tw->text.s.right);
+ _XawTextNeedsUpdating(tw, pos, right);
+ }
+
+ tw->text.s.left = left;
+ tw->text.s.right = right;
+
+#ifndef OLDXAW
+ if (needs_updating) {
+ _XawTextExecuteUpdate(tw);
+ tw->text.showposition = showposition;
+ }
+ }
+#endif /* OLDXAW */
+
+ SrcSetSelection(ctx->text.source, left, right,
+ (count == 0) ? None : selections[0]);
+
+ if (left < right) {
+ Widget w = (Widget)ctx;
+ int buffer;
+
+ while (count) {
+ Atom selection = selections[--count];
+
+ /*
+ * If this is a cut buffer
+ */
+ if ((buffer = GetCutBufferNumber(selection)) != NOT_A_CUT_BUFFER) {
+ unsigned char *ptr, *tptr;
+ unsigned int amount, max_len = MAX_CUT_LEN(XtDisplay(w));
+ unsigned long len;
+
+ tptr= ptr= (unsigned char *)_XawTextGetSTRING(ctx,
+ ctx->text.s.left,
+ ctx->text.s.right);
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ /*
+ * Only XA_STRING(Latin 1) is allowed in CUT_BUFFER,
+ * so we get it from wchar string, then free the wchar string
+ */
+ XTextProperty textprop;
+
+ if (XwcTextListToTextProperty(XtDisplay(w), (wchar_t**)&ptr,
+ 1, XStringStyle, &textprop)
+ < Success){
+ XtFree((char *)ptr);
+ return;
+ }
+ XtFree((char *)ptr);
+ tptr = ptr = textprop.value;
+ }
+ if (buffer == 0) {
+ _CreateCutBuffers(XtDisplay(w));
+ XRotateBuffers(XtDisplay(w), 1);
+ }
+ amount = Min ((len = strlen((char *)ptr)), max_len);
+ XChangeProperty(XtDisplay(w), RootWindow(XtDisplay(w), 0),
+ selection, XA_STRING, 8, PropModeReplace,
+ ptr, amount);
+
+ while (len > max_len) {
+ len -= max_len;
+ tptr += max_len;
+ amount = Min (len, max_len);
+ XChangeProperty(XtDisplay(w), RootWindow(XtDisplay(w), 0),
+ selection, XA_STRING, 8, PropModeAppend,
+ tptr, amount);
+ }
+ XtFree ((char *)ptr);
+ }
+ else /* This is a real selection */
+ XtOwnSelection(w, selection, ctx->text.time, TextConvertSelection,
+ TextLoseSelection, NULL);
+ }
+ }
+ else
+ XawTextUnsetSelection((Widget)ctx);
+}
+
+#ifndef OLDXAW
+void
+_XawTextSetLineAndColumnNumber(TextWidget ctx, Bool force)
+{
+ int line_number, column_number;
+
+ if (ctx->text.old_insert != ctx->text.insertPos &&
+ ctx->text.lt.base_line < 0) {
+ ctx->text.lt.base_line = 0;
+ (void)_BuildLineTable(ctx, ctx->text.lt.top, 0);
+ }
+
+ line_number = ResolveLineNumber(ctx);
+ column_number = ResolveColumnNumber(ctx);
+
+ if (force || (ctx->text.column_number != column_number
+ || ctx->text.line_number != line_number)) {
+ XawTextPositionInfo info;
+
+ ctx->text.line_number = info.line_number = line_number;
+ ctx->text.column_number = info.column_number = column_number;
+ info.insert_position = ctx->text.insertPos;
+ info.last_position = ctx->text.lastPos;
+ info.overwrite_mode = ctx->text.overwrite;
+
+ XtCallCallbacks((Widget)ctx, XtNpositionCallback, (XtPointer)&info);
+ }
+}
+
+static int
+ResolveColumnNumber(TextWidget ctx)
+{
+ Widget src = ctx->text.source;
+ short column_number = 0;
+ XawTextPosition position;
+ XawTextBlock block;
+ unsigned long format = _XawTextFormat(ctx);
+ TextSinkObject sink = (TextSinkObject)ctx->text.sink;
+ short *char_tabs = sink->text_sink.char_tabs;
+ int tab_count = sink->text_sink.tab_count;
+ int tab_index = 0, tab_column = 0, tab_base = 0;
+
+ if (ctx->text.lt.base_line < 1)
+ return (ctx->text.column_number);
+
+ position = SrcScan(src, ctx->text.insertPos, XawstEOL, XawsdLeft, 1, False);
+ XawTextSourceRead(src, position, &block, ctx->text.insertPos - position);
+
+ for (; position < ctx->text.insertPos; position++) {
+ if (position - block.firstPos >= block.length)
+ XawTextSourceRead(src, position, &block, ctx->text.insertPos - position);
+ if ((format == XawFmt8Bit && block.ptr[position - block.firstPos] == '\t') ||
+ (format == XawFmtWide && ((wchar_t*)block.ptr)[position - block.firstPos] == _Xaw_atowc(XawTAB))) {
+ while (tab_base + tab_column <= column_number) {
+ if (tab_count) {
+ for (; tab_index < tab_count; ++tab_index)
+ if (tab_base + char_tabs[tab_index] > column_number) {
+ tab_column = char_tabs[tab_index];
+ break;
+ }
+ if (tab_index >= tab_count) {
+ tab_base += char_tabs[tab_count - 1];
+ tab_column = tab_index = 0;
+ }
+ }
+ else
+ tab_column += DEFAULT_TAB_SIZE;
+ }
+ column_number = tab_base + tab_column;
+ }
+ else
+ ++column_number;
+ if (column_number >= 16384) {
+ column_number = 16383;
+ break;
+ }
+ }
+
+ return (column_number);
+}
+#endif /* OLDXAW */
+
+void
+_XawTextSourceChanged(Widget w, XawTextPosition left, XawTextPosition right,
+ XawTextBlock *block, int lines)
+{
+ TextWidget ctx = (TextWidget)w;
+ Widget src = ctx->text.source;
+ XawTextPosition update_from, update_to, top;
+ Boolean update_disabled;
+ int delta, line, line_from;
+
+ if (left < ctx->text.old_insert) {
+ XawTextPosition old_insert = ctx->text.old_insert;
+
+ if (right < ctx->text.old_insert)
+ old_insert -= right - left;
+ else
+ old_insert = left;
+
+ ctx->text.insertPos = old_insert + block->length;
+ }
+#ifndef OLDXAW
+ if (left <= ctx->text.lt.top) {
+ if (left + block->length - (right - left) < ctx->text.lt.top) {
+ ctx->text.source_changed = SRC_CHANGE_BEFORE;
+ ctx->text.lt.base_line += lines;
+ }
+ else
+ ctx->text.source_changed = SRC_CHANGE_OVERLAP;
+ }
+ else
+ ctx->text.source_changed = SRC_CHANGE_AFTER;
+#endif
+
+ update_from = left;
+ update_to = left + block->length;
+ update_to = SrcScan(src, update_to, XawstEOL, XawsdRight, 1, False);
+ delta = block->length - (right - left);
+ if (delta < 0)
+ ctx->text.clear_to_eol = True;
+ if (update_to == update_from)
+ ++update_to;
+ update_disabled = ctx->text.update_disabled;
+ ctx->text.update_disabled = True;
+ ctx->text.lastPos = XawTextGetLastPosition(ctx);
+ top = ctx->text.lt.info[0].position;
+
+ XawTextUnsetSelection((Widget)ctx);
+
+ if (delta) {
+ int i;
+ XmuSegment *seg;
+
+ for (seg = ctx->text.update->segment; seg; seg = seg->next) {
+ if (seg->x1 > (int)left)
+ break;
+ else if (seg->x2 > (int)left) {
+ seg->x2 += delta;
+ seg = seg->next;
+ break;
+ }
+ }
+ for (; seg; seg = seg->next) {
+ seg->x1 += delta;
+ seg->x2 += delta;
+ }
+ XmuOptimizeScanline(ctx->text.update);
+
+ for (i = 0; i <= ctx->text.lt.lines; i++)
+ if (ctx->text.lt.info[i].position > left)
+ break;
+ for (; i <= ctx->text.lt.lines; i++)
+ ctx->text.lt.info[i].position += delta;
+ }
+
+ if (top != ctx->text.lt.info[0].position) {
+ line_from = line = 0;
+ ctx->text.lt.top = top = SrcScan(src, ctx->text.lt.info[0].position,
+ XawstEOL, XawsdLeft, 1, False);
+ update_from = top;
+ }
+ else {
+ line_from = line = LineForPosition(ctx, update_from + delta);
+ top = ctx->text.lt.info[line].position;
+ }
+
+ if (line > 0 && ctx->text.wrap == XawtextWrapWord) {
+ --line;
+ top = ctx->text.lt.info[line].position;
+ }
+
+ (void)_BuildLineTable(ctx, top, line);
+
+ if (ctx->text.wrap == XawtextWrapWord) {
+ if (line_from != LineForPosition(ctx, update_from)
+ || line_from != LineForPosition(ctx, update_to)) {
+ ctx->text.clear_to_eol = True;
+ update_from = SrcScan(src, update_from,
+ XawstWhiteSpace, XawsdLeft, 1, True);
+ if (update_to >= ctx->text.lastPos)
+ /* this is not an error, it just tells _BuildLineTable to
+ * clear to the bottom of the window. The value of update_to
+ * should not be > ctx->text.lastPos.
+ */
+ ++update_to;
+ }
+ }
+ else if (!ctx->text.clear_to_eol) {
+ if (LineForPosition(ctx, update_from)
+ != LineForPosition(ctx, update_to))
+ ctx->text.clear_to_eol = True;
+ }
+
+ _XawTextNeedsUpdating(ctx, update_from, update_to);
+ ctx->text.update_disabled = update_disabled;
+}
+
+/*
+ * Function:
+ * _XawTextReplace
+ *
+ * Parameters:
+ * ctx - text widget
+ * left - left offset
+ * right - right offset
+ * block - text block
+ *
+ * Description:
+ * Replaces the text between left and right by the text in block.
+ * Does all the required calculations of offsets, and rebuild the
+ * the line table, from the insertion point (or previous line, if
+ * wrap mode is 'word').
+ *
+ * Returns:
+ * XawEditDone - success
+ * any other value - error code
+ */
+int
+_XawTextReplace(TextWidget ctx, XawTextPosition left, XawTextPosition right,
+ XawTextBlock *block)
+{
+ Arg args[1];
+ Widget src;
+ XawTextEditType edit_mode;
+
+ if (left == right && block->length == 0)
+ return (XawEditDone);
+
+ src = ctx->text.source;
+ XtSetArg(args[0], XtNeditType, &edit_mode);
+ XtGetValues(src, args, 1);
+
+ if (edit_mode == XawtextAppend) {
+ if (block->length == 0)
+ return (XawEditError);
+ ctx->text.insertPos = ctx->text.lastPos;
+ }
+
+#ifndef OLDXAW
+ return (SrcReplace(src, left, right, block));
+#else
+ if (SrcReplace(src, left, right, block) == XawEditDone) {
+ _XawTextSourceChanged((Widget)ctx, left, right, block, 0);
+
+ return (XawEditDone);
+ }
+
+ return (XawEditError);
+#endif
+}
+
+/*
+ * This routine will display text between two arbitrary source positions.
+ * In the event that this span contains highlighted text for the selection,
+ * only that portion will be displayed highlighted.
+ */
+static void
+OldDisplayText(Widget w, XawTextPosition left, XawTextPosition right)
+{
+ static XmuSegment segment;
+ static XmuScanline next;
+ static XmuScanline scanline = {0, &segment, &next};
+ static XmuArea area = {&scanline};
+
+ TextWidget ctx = (TextWidget)w;
+ int x, y, line;
+ XawTextPosition start, end, last, final;
+ XmuScanline *scan;
+ XmuSegment *seg;
+ XmuArea *clip = NULL;
+ Bool cleol = ctx->text.clear_to_eol;
+ Bool has_selection = ctx->text.s.right > ctx->text.s.left;
+
+ left = left < ctx->text.lt.top ? ctx->text.lt.top : left;
+
+ if (left > right || !LineAndXYForPosition(ctx, left, &line, &x, &y))
+ return;
+
+ last = XawTextGetLastPosition(ctx);
+ segment.x2 = (int)XtWidth(ctx) - ctx->text.r_margin.right;
+
+ if (cleol)
+ clip = XmuCreateArea();
+
+ for (start = left; start < right && line < ctx->text.lt.lines; line++) {
+ if ((end = ctx->text.lt.info[line + 1].position) > right)
+ end = right;
+
+ final = end;
+ if (end > last)
+ end = last;
+
+ if (end > start) {
+ if (!has_selection
+ || (start >= ctx->text.s.right || end <= ctx->text.s.left))
+ _XawTextSinkDisplayText(ctx->text.sink, x, y, start, end, False);
+ else if (start >= ctx->text.s.left && end <= ctx->text.s.right)
+ _XawTextSinkDisplayText(ctx->text.sink, x, y, start, end, True);
+ else {
+ OldDisplayText(w, start, ctx->text.s.left);
+ OldDisplayText(w, Max(start, ctx->text.s.left),
+ Min(end, ctx->text.s.right));
+ OldDisplayText(w, ctx->text.s.right, end);
+ }
+ }
+
+ x = ctx->text.left_margin;
+ if (cleol) {
+ segment.x1 = ctx->text.lt.info[line].textWidth + x;
+ if (XmuValidSegment(&segment)) {
+ scanline.y = y;
+ next.y = ctx->text.lt.info[line + 1].y;
+ XmuAreaOr(clip, &area);
+ }
+ }
+
+ start = final;
+ y = ctx->text.lt.info[line + 1].y;
+ }
+
+ if (cleol) {
+ for (scan = clip->scanline; scan && scan->next; scan = scan->next)
+ for (seg = scan->segment; seg; seg = seg->next)
+ SinkClearToBG(ctx->text.sink,
+ seg->x1, scan->y,
+ seg->x2 - seg->x1, scan->next->y - scan->y);
+ XmuDestroyArea(clip);
+ }
+}
+
+#ifndef OLDXAW
+/*ARGSUSED*/
+static void
+DisplayText(Widget w, XawTextPosition left, XawTextPosition right)
+{
+ static XmuSegment segment;
+ static XmuScanline next;
+ static XmuScanline scanline = {0, &segment, &next};
+ static XmuArea area = {&scanline};
+
+ TextWidget ctx = (TextWidget)w;
+ int y, line;
+ XawTextPosition from, to, lastPos;
+ Bool cleol = ctx->text.clear_to_eol;
+ Bool has_selection = ctx->text.s.right > ctx->text.s.left;
+ XawTextPaintList *paint_list;
+
+ left = left < ctx->text.lt.top ? ctx->text.lt.top : left;
+
+ if (left > right || !IsPositionVisible(ctx, left))
+ return;
+
+ line = LineForPosition(ctx, left);
+ y = ctx->text.lt.info[line].y;
+ segment.x2 = (int)XtWidth(ctx) - ctx->text.r_margin.right;
+ lastPos = XawTextGetLastPosition(ctx);
+
+ paint_list = ((TextSinkObject)ctx->text.sink)->text_sink.paint;
+
+ for (from = left; from < right && line < ctx->text.lt.lines; line++) {
+ if ((to = ctx->text.lt.info[line + 1].position) > right)
+ to = right;
+
+ if (to > lastPos)
+ to = lastPos;
+
+ if (from < to) {
+ if (!has_selection
+ || (from >= ctx->text.s.right || to <= ctx->text.s.left))
+ XawTextSinkPreparePaint(ctx->text.sink, y, line, from, to, False);
+ else if (from >= ctx->text.s.left && to <= ctx->text.s.right)
+ XawTextSinkPreparePaint(ctx->text.sink, y, line, from, to, True);
+ else {
+ XawTextSinkPreparePaint(ctx->text.sink, y, line, from,
+ ctx->text.s.left, False);
+ XawTextSinkPreparePaint(ctx->text.sink, y, line,
+ XawMax(from, ctx->text.s.left),
+ XawMin(to, ctx->text.s.right), True);
+ XawTextSinkPreparePaint(ctx->text.sink, y, line,
+ ctx->text.s.right, to, False);
+ }
+ }
+
+ if (cleol) {
+ segment.x1 = ctx->text.lt.info[line].textWidth + ctx->text.left_margin;
+ if (XmuValidSegment(&segment)) {
+ scanline.y = y;
+ next.y = ctx->text.lt.info[line + 1].y;
+ XmuAreaOr(paint_list->clip, &area);
+ }
+ }
+ y = ctx->text.lt.info[line + 1].y;
+ from = to;
+ }
+
+ /* clear to the bottom of the window */
+ if (cleol && line >= ctx->text.lt.lines) {
+ segment.x1 = ctx->text.left_margin;
+ if (XmuValidSegment(&segment)) {
+ scanline.y = y;
+ next.y = (int)XtHeight(ctx) - (int)ctx->text.margin.bottom;
+ XmuAreaOr(paint_list->clip, &area);
+ }
+ }
+}
+#endif
+
+/*
+ * This routine implements multi-click selection in a hardwired manner.
+ * It supports multi-click entity cycling (char, word, line, file) and mouse
+ * motion adjustment of the selected entitie (i.e. select a word then, with
+ * button still down, adjust wich word you really meant by moving the mouse).
+ * [NOTE: This routine is to be replaced by a set of procedures that
+ * will allows clients to implements a wide class of draw through and
+ * multi-click selection user interfaces.]
+ */
+static void
+DoSelection(TextWidget ctx, XawTextPosition pos, Time time, Bool motion)
+{
+ XawTextPosition newLeft, newRight;
+ XawTextSelectType newType, *sarray;
+ Widget src = ctx->text.source;
+
+ if (motion)
+ newType = ctx->text.s.type;
+ else {
+ if ((abs((long) time - (long) ctx->text.lasttime) < MULTI_CLICK_TIME)
+ && (pos >= ctx->text.s.left && pos <= ctx->text.s.right)) {
+ sarray = ctx->text.sarray;
+ for (; *sarray != XawselectNull && *sarray != ctx->text.s.type;
+ sarray++)
+ ;
+ if (*sarray == XawselectNull)
+ newType = *(ctx->text.sarray);
+ else {
+ newType = *(sarray + 1);
+ if (newType == XawselectNull)
+ newType = *(ctx->text.sarray);
+ }
+ }
+ else /* single-click event */
+ newType = *(ctx->text.sarray);
+
+ ctx->text.lasttime = time;
+ }
+ switch (newType) {
+ case XawselectPosition:
+ newLeft = newRight = pos;
+ break;
+ case XawselectChar:
+ newLeft = pos;
+ newRight = SrcScan(src, pos, XawstPositions, XawsdRight, 1, False);
+ break;
+ case XawselectWord:
+ case XawselectParagraph:
+ case XawselectAlphaNumeric: {
+ XawTextScanType stype;
+
+ if (newType == XawselectWord)
+ stype = XawstWhiteSpace;
+ else if (newType == XawselectParagraph)
+ stype = XawstParagraph;
+ else
+ stype = XawstAlphaNumeric;
+
+ /*
+ * Somewhat complicated, but basically I treat the space between
+ * two objects as another object. The object that I am currently
+ * in then becomes the end of the selection.
+ *
+ * Chris Peterson - 4/19/90.
+ */
+ newRight = SrcScan(ctx->text.source, pos, stype,
+ XawsdRight, 1, False);
+ newRight = SrcScan(ctx->text.source, newRight, stype,
+ XawsdLeft, 1, False);
+
+ if (pos != newRight)
+ newLeft = SrcScan(ctx->text.source, pos, stype,
+ XawsdLeft, 1, False);
+ else
+ newLeft = pos;
+
+ newLeft =SrcScan(ctx->text.source, newLeft, stype,
+ XawsdRight, 1, False);
+
+ if (newLeft > newRight) {
+ XawTextPosition temp = newLeft;
+ newLeft = newRight;
+ newRight = temp;
+ }
+ } break;
+ case XawselectLine:
+ newLeft = SrcScan(src, pos, XawstEOL, XawsdLeft, 1, False);
+ newRight = SrcScan(src, pos, XawstEOL, XawsdRight, 1, False);
+ break;
+ case XawselectAll:
+ newLeft = SrcScan(src, pos, XawstAll, XawsdLeft, 1, False);
+ newRight = SrcScan(src, pos, XawstAll, XawsdRight, 1, False);
+ break;
+ default:
+ XtAppWarning(XtWidgetToApplicationContext((Widget) ctx),
+ "Text Widget: empty selection array.");
+ return;
+ }
+
+ if (newLeft != ctx->text.s.left || newRight != ctx->text.s.right
+ || newType != ctx->text.s.type) {
+ ModifySelection(ctx, newLeft, newRight);
+ if (pos - ctx->text.s.left < ctx->text.s.right - pos)
+ ctx->text.insertPos = newLeft;
+ else
+ ctx->text.insertPos = newRight;
+ ctx->text.s.type = newType;
+ }
+ if (!motion) { /* setup so we can freely mix select extend calls*/
+ ctx->text.origSel.type = ctx->text.s.type;
+ ctx->text.origSel.left = ctx->text.s.left;
+ ctx->text.origSel.right = ctx->text.s.right;
+
+ if (pos >= ctx->text.s.left + (ctx->text.s.right - ctx->text.s.left) / 2)
+ ctx->text.extendDir = XawsdRight;
+ else
+ ctx->text.extendDir = XawsdLeft;
+ }
+}
+
+/*
+ * This routine implements extension of the currently selected text in
+ * the "current" mode (i.e. char word, line, etc.). It worries about
+ * extending from either end of the selection and handles the case when you
+ * cross through the "center" of the current selection (e.g. switch which
+ * end you are extending!).
+ */
+static void
+ExtendSelection(TextWidget ctx, XawTextPosition pos, Bool motion)
+{
+ XawTextScanDirection dir;
+
+ if (!motion) { /* setup for extending selection */
+ if (ctx->text.s.left == ctx->text.s.right) /* no current selection. */
+ ctx->text.s.left = ctx->text.s.right = ctx->text.insertPos;
+ else {
+ ctx->text.origSel.left = ctx->text.s.left;
+ ctx->text.origSel.right = ctx->text.s.right;
+ }
+
+ ctx->text.origSel.type = ctx->text.s.type;
+
+ if (pos >= ctx->text.s.left + (ctx->text.s.right - ctx->text.s.left) / 2)
+ ctx->text.extendDir = XawsdRight;
+ else
+ ctx->text.extendDir = XawsdLeft;
+ }
+ else /* check for change in extend direction */
+ if ((ctx->text.extendDir == XawsdRight &&
+ pos <= ctx->text.origSel.left) ||
+ (ctx->text.extendDir == XawsdLeft &&
+ pos >= ctx->text.origSel.right)) {
+ ctx->text.extendDir = (ctx->text.extendDir == XawsdRight) ?
+ XawsdLeft : XawsdRight;
+ ModifySelection(ctx, ctx->text.origSel.left, ctx->text.origSel.right);
+ }
+
+ dir = ctx->text.extendDir;
+ switch (ctx->text.s.type) {
+ case XawselectWord:
+ case XawselectParagraph:
+ case XawselectAlphaNumeric: {
+ XawTextPosition left_pos, right_pos;
+ XawTextScanType stype;
+
+ if (ctx->text.s.type == XawselectWord)
+ stype = XawstWhiteSpace;
+ else if (ctx->text.s.type == XawselectParagraph)
+ stype = XawstParagraph;
+ else
+ stype = XawstAlphaNumeric;
+
+ /*
+ * Somewhat complicated, but basically I treat the space between
+ * two objects as another object. The object that I am currently
+ * in then becomes the end of the selection.
+ *
+ * Chris Peterson - 4/19/90.
+ */
+ right_pos = SrcScan(ctx->text.source, pos, stype,
+ XawsdRight, 1, False);
+ right_pos =SrcScan(ctx->text.source, right_pos, stype,
+ XawsdLeft, 1, False);
+
+ if (pos != right_pos)
+ left_pos = SrcScan(ctx->text.source, pos, stype,
+ XawsdLeft, 1, False);
+ else
+ left_pos = pos;
+
+ left_pos =SrcScan(ctx->text.source, left_pos, stype,
+ XawsdRight, 1, False);
+
+ if (dir == XawsdLeft)
+ pos = Min(left_pos, right_pos);
+ else /* dir == XawsdRight */
+ pos = Max(left_pos, right_pos);
+ } break;
+ case XawselectLine:
+ pos = SrcScan(ctx->text.source, pos, XawstEOL,
+ dir, 1, dir == XawsdRight);
+ break;
+ case XawselectAll:
+ pos = ctx->text.insertPos;
+ /*FALLTHROUGH*/
+ case XawselectPosition:
+ default:
+ break;
+ }
+
+ if (dir == XawsdRight)
+ ModifySelection(ctx, ctx->text.s.left, pos);
+ else
+ ModifySelection(ctx, pos, ctx->text.s.right);
+
+ ctx->text.insertPos = pos;
+}
+
+/*
+ * Function:
+ * _XawTextClearAndCenterDisplay
+ *
+ * Parameters:
+ * ctx - text widget
+ *
+ * Description:
+ * Redraws the display with the cursor in insert point
+ * centered vertically.
+ */
+void
+_XawTextClearAndCenterDisplay(TextWidget ctx)
+{
+ int left_margin = ctx->text.left_margin;
+ Bool visible = IsPositionVisible(ctx, ctx->text.insertPos);
+
+ _XawTextShowPosition(ctx);
+
+ if (XtIsRealized((Widget)ctx) && visible &&
+ left_margin == ctx->text.left_margin) {
+ int insert_line = LineForPosition(ctx, ctx->text.insertPos);
+ int scroll_by = insert_line - (ctx->text.lt.lines >> 1);
+ Boolean clear_to_eol = ctx->text.clear_to_eol;
+
+ XawTextScroll(ctx, scroll_by, 0);
+ SinkClearToBG(ctx->text.sink, 0, 0, XtWidth(ctx), XtHeight(ctx));
+ ClearWindow(ctx);
+ clear_to_eol = ctx->text.clear_to_eol;
+ ctx->text.clear_to_eol = False;
+ FlushUpdate(ctx);
+ ctx->text.clear_to_eol = clear_to_eol;
+ }
+}
+
+/*
+ * Internal redisplay entire window
+ * Legal to call only if widget is realized
+ */
+static void
+DisplayTextWindow(Widget w)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ _XawTextBuildLineTable(ctx, ctx->text.lt.top, False);
+ ClearWindow(ctx);
+}
+
+static void
+TextSinkResize(Widget w)
+{
+ if (w && XtClass(w)->core_class.resize)
+ XtClass(w)->core_class.resize(w);
+}
+
+/* ARGSUSED */
+void
+_XawTextCheckResize(TextWidget ctx)
+{
+ return;
+}
+
+/*
+ * Converts (params, num_params) to a list of atoms & caches the
+ * list in the TextWidget instance.
+ */
+Atom *
+_XawTextSelectionList(TextWidget ctx, String *list, Cardinal nelems)
+{
+ Atom *sel = ctx->text.s.selections;
+ Display *dpy = XtDisplay((Widget)ctx);
+ int n;
+
+ if (nelems > (Cardinal)ctx->text.s.array_size) {
+ sel = (Atom *)XtRealloc((char *)sel, sizeof(Atom) * nelems);
+ ctx->text.s.array_size = nelems;
+ ctx->text.s.selections = sel;
+ }
+ for (n = nelems; --n >= 0; sel++, list++)
+ *sel = XInternAtom(dpy, *list, False);
+ ctx->text.s.atom_count = nelems;
+
+ return (ctx->text.s.selections);
+}
+
+/*
+ * Function:
+ * SetSelection
+ *
+ * Parameters:
+ * ctx - text widget
+ * defaultSel - default selection
+ * l - left and right ends of the selection
+ * r - ""
+ * list - the selection list (as strings).
+ * nelems - ""
+ *
+ * Description:
+ * Sets the current selection.
+ *
+ * Note:
+ * if (ctx->text.s.left >= ctx->text.s.right) then the selection is unset
+ */
+void
+_XawTextSetSelection(TextWidget ctx, XawTextPosition l, XawTextPosition r,
+ String *list, Cardinal nelems)
+{
+ if (nelems == 1 && !strcmp (list[0], "none"))
+ return;
+ if (nelems == 0) {
+ String defaultSel = "PRIMARY";
+ list = &defaultSel;
+ nelems = 1;
+ }
+ _SetSelection(ctx, l, r, _XawTextSelectionList(ctx, list, nelems), nelems);
+}
+
+/*
+ * Function:
+ * ModifySelection
+ *
+ * Parameters:
+ * ctx - text widget
+ * left - left and right ends of the selection
+ * right - ""
+ *
+ * Description:
+ * Modifies the current selection.
+ *
+ * Note:
+ * if (ctx->text.s.left >= ctx->text.s.right) then the selection is unset
+ */
+static void
+ModifySelection(TextWidget ctx, XawTextPosition left, XawTextPosition right)
+{
+ if (left == right)
+ ctx->text.insertPos = left;
+ _SetSelection(ctx, left, right, NULL, 0);
+}
+
+/*
+ * This routine is used to perform various selection functions. The goal is
+ * to be able to specify all the more popular forms of draw-through and
+ * multi-click selection user interfaces from the outside.
+ */
+void
+_XawTextAlterSelection(TextWidget ctx, XawTextSelectionMode mode,
+ XawTextSelectionAction action, String *params,
+ Cardinal *num_params)
+{
+ XawTextPosition position;
+ Boolean flag;
+
+ /*
+ * This flag is used by TextPop.c:DoReplace() to determine if the selection
+ * is okay to use, or if it has been modified.
+ */
+ if (ctx->text.search != NULL)
+ ctx->text.search->selection_changed = True;
+
+ position = PositionForXY(ctx, (int) ctx->text.ev_x, (int) ctx->text.ev_y);
+
+ flag = (action != XawactionStart);
+ if (mode == XawsmTextSelect)
+ DoSelection(ctx, position, ctx->text.time, flag);
+ else /* mode == XawsmTextExtend */
+ ExtendSelection (ctx, position, flag);
+
+ if (action == XawactionEnd)
+ _XawTextSetSelection(ctx, ctx->text.s.left, ctx->text.s.right,
+ params, *num_params);
+}
+
+/*
+ * Function:
+ * UpdateTextInRectangle
+ *
+ * Parameters:
+ * ctx - the text widget
+ * rect - rectangle
+ *
+ * Description:
+ * Updates the text in the given rectangle
+ */
+static void
+UpdateTextInRectangle(TextWidget ctx, XRectangle *rect)
+{
+ XawTextLineTable *lt;
+ int line, y1, y2, x2;
+
+ y1 = rect->y;
+ y2 = y1 + rect->height;
+ x2 = rect->x + rect->width;
+
+ for (line = 0, lt = &ctx->text.lt; line < lt->lines; line++)
+ if (lt->info[line + 1].y > y1)
+ break;
+ for (; line <= lt->lines; line++) {
+ if (lt->info[line].y > y2)
+ break;
+ UpdateTextInLine(ctx, line, rect->x, x2);
+ }
+}
+
+/*
+ * This routine processes all "expose region" XEvents. In general, its job
+ * is to the best job at minimal re-paint of the text, displayed in the
+ * window, that it can.
+ */
+/* ARGSUSED */
+static void
+XawTextExpose(Widget w, XEvent *event, Region region)
+{
+ TextWidget ctx = (TextWidget)w;
+ Boolean clear_to_eol;
+ XRectangle expose;
+
+ if (event->type == Expose) {
+ expose.x = event->xexpose.x;
+ expose.y = event->xexpose.y;
+ expose.width = event->xexpose.width;
+ expose.height = event->xexpose.height;
+ }
+ else if (event->type == GraphicsExpose) {
+ expose.x = event->xgraphicsexpose.x;
+ expose.y = event->xgraphicsexpose.y;
+ expose.width = event->xgraphicsexpose.width;
+ expose.height = event->xgraphicsexpose.height;
+ }
+ else
+ return;
+
+ _XawTextPrepareToUpdate(ctx);
+
+ if (Superclass->core_class.expose)
+ (*Superclass->core_class.expose)(w, event, region);
+
+ clear_to_eol = ctx->text.clear_to_eol;
+ ctx->text.clear_to_eol = False;
+
+ UpdateTextInRectangle(ctx, &expose);
+ XawTextSinkGetCursorBounds(ctx->text.sink, &expose);
+ UpdateTextInRectangle(ctx, &expose);
+ SinkClearToBG(ctx->text.sink, expose.x, expose.y,
+ expose.width, expose.height);
+ _XawTextExecuteUpdate(ctx);
+ ctx->text.clear_to_eol = clear_to_eol;
+}
+
+/*
+ * This routine does all setup required to syncronize batched screen updates
+ */
+void
+_XawTextPrepareToUpdate(TextWidget ctx)
+{
+ if (ctx->text.old_insert < 0) {
+ InsertCursor((Widget)ctx, XawisOff);
+ ctx->text.showposition = False;
+ ctx->text.old_insert = ctx->text.insertPos;
+ ctx->text.clear_to_eol = False;
+#ifndef OLDXAW
+ ctx->text.source_changed = SRC_CHANGE_NONE;
+#endif
+ }
+}
+
+/*
+ * This is a private utility routine used by _XawTextExecuteUpdate. It
+ * processes all the outstanding update requests and merges update
+ * ranges where possible.
+ */
+static void
+FlushUpdate(TextWidget ctx)
+{
+ XmuSegment *seg;
+ void (*display_text)(Widget, XawTextPosition, XawTextPosition);
+
+ if (XtIsRealized((Widget)ctx)) {
+ ctx->text.s.right = XawMin(ctx->text.s.right, ctx->text.lastPos);
+ ctx->text.s.left = XawMin(ctx->text.s.left, ctx->text.s.right);
+
+#ifndef OLDXAW
+ if (XawTextSinkBeginPaint(ctx->text.sink) == False)
+#endif
+ display_text = OldDisplayText;
+#ifndef OLDXAW
+ else
+ display_text = DisplayText;
+#endif
+ for (seg = ctx->text.update->segment; seg; seg = seg->next)
+ (*display_text)((Widget)ctx,
+ (XawTextPosition)seg->x1,
+ (XawTextPosition)seg->x2);
+#ifndef OLDXAW
+ if (display_text != OldDisplayText) {
+ XawTextSinkDoPaint(ctx->text.sink);
+ XawTextSinkEndPaint(ctx->text.sink);
+ }
+#endif
+ }
+ (void)XmuScanlineXor(ctx->text.update, ctx->text.update);
+}
+
+static int
+CountLines(TextWidget ctx, XawTextPosition left, XawTextPosition right)
+{
+ if (ctx->text.wrap == XawtextWrapNever || left >= right)
+ return (1);
+ else {
+ XawTextPosition tmp;
+ int dim, lines = 0, wwidth = GetMaxTextWidth(ctx);
+
+ while (left < right) {
+ tmp = left;
+ XawTextSinkFindPosition(ctx->text.sink, left,
+ ctx->text.left_margin,
+ wwidth, ctx->text.wrap == XawtextWrapWord,
+ &left, &dim, &dim);
+ ++lines;
+ if (tmp == left)
+ ++left;
+ }
+
+ return (lines);
+ }
+ /*NOTREACHED*/
+}
+
+static int
+GetMaxTextWidth(TextWidget ctx)
+{
+ XRectangle cursor;
+ int width;
+
+ XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
+ width = (int)XtWidth(ctx) - RHMargins(ctx) - cursor.width;
+
+ return (XawMax(0, width));
+}
+
+/*
+ * Function:
+ * _XawTextShowPosition
+ *
+ * Parameters:
+ * ctx - the text widget to show the position
+ *
+ * Description:
+ * Makes sure the text cursor visible, scrolling the text window
+ * if required.
+ */
+void
+_XawTextShowPosition(TextWidget ctx)
+{
+ /*
+ * Variable scroll is used to avoid scanning large files to calculate
+ * line offsets
+ */
+ int hpixels, vlines;
+ XawTextPosition first, last, top, tmp;
+ Bool visible, scroll;
+
+ if (!XtIsRealized((Widget)ctx))
+ return;
+
+ /*
+ * Checks if a horizontal scroll is required
+ */
+ if (ctx->text.wrap == XawtextWrapNever) {
+ int x, vwidth, distance, dim;
+ XRectangle rect;
+
+ vwidth = (int)XtWidth(ctx) - RHMargins(ctx);
+ last = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstEOL, XawsdLeft, 1, False);
+ XawTextSinkFindDistance(ctx->text.sink, last,
+ ctx->text.left_margin,
+ ctx->text.insertPos,
+ &distance, &first, &dim);
+ XawTextSinkGetCursorBounds(ctx->text.sink, &rect);
+ x = ctx->text.left_margin - ctx->text.r_margin.left;
+
+ if (x + distance + rect.width > vwidth)
+ hpixels = x + distance + rect.width - vwidth + (vwidth >> 2);
+ else if (x + distance < 0)
+ hpixels = x + distance - (vwidth >> 2);
+ else
+ hpixels = 0;
+ }
+ else
+ hpixels = 0;
+
+ visible = IsPositionVisible(ctx, ctx->text.insertPos);
+
+ /*
+ * If the cursor is already visible
+ */
+ if (!hpixels && visible)
+ return;
+
+ scroll = ctx->core.background_pixmap == XtUnspecifiedPixmap && !hpixels;
+ vlines = 0;
+ first = ctx->text.lt.top;
+
+ /*
+ * Needs to scroll the text window
+ */
+ if (visible)
+ top = ctx->text.lt.top;
+ else {
+ top = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstEOL, XawsdLeft, 1, False);
+
+ /*
+ * Finds the nearest left position from ctx->text.insertPos
+ */
+ if (ctx->text.wrap != XawtextWrapNever) {
+ int dim, vwidth = GetMaxTextWidth(ctx);
+
+ last = top;
+ /*CONSTCOND*/
+ while (1) {
+ tmp = last;
+ XawTextSinkFindPosition(ctx->text.sink, last,
+ ctx->text.left_margin, vwidth,
+ ctx->text.wrap == XawtextWrapWord,
+ &last, &dim, &dim);
+ if (last == tmp)
+ ++last;
+ if (last <= ctx->text.insertPos)
+ top = last;
+ else
+ break;
+ }
+ }
+ }
+
+ if (scroll) {
+ if (ctx->text.insertPos < first) { /* Scroll Down */
+ while (first > top) {
+ last = first;
+ first = SrcScan(ctx->text.source, first,
+ XawstEOL, XawsdLeft, 2, False);
+ vlines -= CountLines(ctx, first, last);
+ if (-vlines >= ctx->text.lt.lines) {
+ scroll = False;
+ break;
+ }
+ }
+ }
+ else if (!visible) { /* Scroll Up */
+ while (first < top) {
+ last = first;
+ first = SrcScan(ctx->text.source, first,
+ XawstEOL, XawsdRight, 1, True);
+ vlines += CountLines(ctx, last, first);
+ if (vlines > ctx->text.lt.lines) {
+ scroll = False;
+ break;
+ }
+ }
+ }
+ else
+ scroll = False;
+ }
+
+ /*
+ * If a portion of the text that will be scrolled is visible
+ */
+ if (scroll)
+ XawTextScroll(ctx, vlines ? vlines - (ctx->text.lt.lines >> 1) : 0, 0);
+ /*
+ * Else redraw the entire text window
+ */
+ else {
+ ctx->text.left_margin -= hpixels;
+ if (ctx->text.left_margin > ctx->text.r_margin.left)
+ ctx->text.left_margin = ctx->text.margin.left =
+ ctx->text.r_margin.left;
+
+ if (!visible) {
+ vlines = ctx->text.lt.lines >> 1;
+ if (vlines)
+ top = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstEOL, XawsdLeft, vlines + 1, False);
+
+ if (ctx->text.wrap != XawtextWrapNever) {
+ int dim;
+ int n_lines = CountLines(ctx, top, ctx->text.insertPos);
+ int vwidth = GetMaxTextWidth(ctx);
+
+ while (n_lines-- > vlines) {
+ tmp = top;
+ XawTextSinkFindPosition(ctx->text.sink, top,
+ ctx->text.left_margin,
+ vwidth,
+ ctx->text.wrap == XawtextWrapWord,
+ &top, &dim, &dim);
+ if (tmp == top)
+ ++top;
+ }
+ }
+ _XawTextBuildLineTable(ctx, top, True);
+ }
+ else
+ ClearWindow(ctx);
+ }
+ ctx->text.clear_to_eol = True;
+}
+
+#ifndef OLDXAW
+static int
+ResolveLineNumber(TextWidget ctx)
+{
+ int line_number = ctx->text.lt.base_line;
+ XawTextPosition position = ctx->text.lt.top;
+
+ if (ctx->text.lt.base_line < 1)
+ return (ctx->text.line_number);
+
+ if (ctx->text.wrap == XawtextWrapNever
+ && IsPositionVisible(ctx, ctx->text.insertPos))
+ line_number += LineForPosition(ctx, ctx->text.insertPos);
+ else if (position < ctx->text.insertPos) {
+ while (position < ctx->text.insertPos) {
+ position = SrcScan(ctx->text.source, position,
+ XawstEOL, XawsdRight, 1, True);
+ if (position <= ctx->text.insertPos) {
+ ++line_number;
+ if (position == ctx->text.lastPos) {
+ line_number -= !_XawTextSourceNewLineAtEOF(ctx->text.source);
+ break;
+ }
+ }
+ }
+ }
+ else if (position > ctx->text.insertPos) {
+ while (position > ctx->text.insertPos) {
+ position = SrcScan(ctx->text.source, position,
+ XawstEOL, XawsdLeft, 1, False);
+ if (--position >= ctx->text.insertPos)
+ --line_number;
+ }
+ }
+
+ return (line_number);
+}
+#endif
+
+/*
+ * This routine causes all batched screen updates to be performed
+ */
+void
+_XawTextExecuteUpdate(TextWidget ctx)
+{
+ if (ctx->text.update_disabled || ctx->text.old_insert < 0)
+ return;
+
+ if(ctx->text.old_insert != ctx->text.insertPos || ctx->text.showposition)
+ _XawTextShowPosition(ctx);
+
+ FlushUpdate(ctx);
+ InsertCursor((Widget)ctx, XawisOn);
+ ctx->text.old_insert = -1;
+#ifndef OLDXAW
+ _XawTextSetLineAndColumnNumber(ctx, False);
+#endif
+}
+
+static void
+XawTextDestroy(Widget w)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ DestroyHScrollBar(ctx);
+ DestroyVScrollBar(ctx);
+
+ XtFree((char *)ctx->text.s.selections);
+ XtFree((char *)ctx->text.lt.info);
+ XtFree((char *)ctx->text.search);
+ XmuDestroyScanline(ctx->text.update);
+ XtReleaseGC((Widget)ctx, ctx->text.gc);
+}
+
+/*
+ * by the time we are managed (and get this far) we had better
+ * have both a source and a sink
+ */
+static void
+XawTextResize(Widget w)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ PositionVScrollBar(ctx);
+ PositionHScrollBar(ctx);
+ TextSinkResize(ctx->text.sink);
+
+ ctx->text.showposition = True;
+ _XawTextBuildLineTable(ctx, ctx->text.lt.top, True);
+}
+
+/*
+ * This routine allow the application program to Set attributes.
+ */
+/*ARGSUSED*/
+static Boolean
+XawTextSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TextWidget oldtw = (TextWidget)current;
+ TextWidget newtw = (TextWidget)cnew;
+ Boolean redisplay = False;
+ Boolean display_caret = newtw->text.display_caret;
+#ifndef OLDXAW
+ Boolean show_lc = False;
+#endif
+
+ newtw->text.display_caret = oldtw->text.display_caret;
+ _XawTextPrepareToUpdate(newtw);
+ newtw->text.display_caret = display_caret;
+
+ if (oldtw->text.r_margin.left != newtw->text.r_margin.left) {
+ newtw->text.left_margin = newtw->text.margin.left =
+ newtw->text.r_margin.left;
+ if (newtw->text.vbar != NULL) {
+ newtw->text.left_margin += XtWidth(newtw->text.vbar) +
+ XtBorderWidth(newtw->text.vbar);
+ }
+ redisplay = True;
+ }
+
+ if (oldtw->text.scroll_vert != newtw->text.scroll_vert) {
+ if (newtw->text.scroll_vert == XawtextScrollAlways)
+ CreateVScrollBar(newtw);
+ else
+ DestroyVScrollBar(newtw);
+
+ redisplay = True;
+ }
+
+ if (oldtw->text.r_margin.bottom != newtw->text.r_margin.bottom) {
+ newtw->text.margin.bottom = newtw->text.r_margin.bottom;
+ if (newtw->text.hbar != NULL)
+ newtw->text.margin.bottom += newtw->text.hbar->core.height +
+ newtw->text.hbar->core.border_width;
+ redisplay = True;
+ }
+
+ if (oldtw->text.scroll_horiz != newtw->text.scroll_horiz) {
+ if (newtw->text.scroll_horiz == XawtextScrollAlways)
+ CreateHScrollBar(newtw);
+ else
+ DestroyHScrollBar(newtw);
+
+ redisplay = True;
+ }
+
+ if (oldtw->text.source != newtw->text.source) {
+#ifndef OLDXAW
+ show_lc = True;
+ _XawSourceRemoveText(oldtw->text.source, cnew,
+ oldtw->text.source &&
+ XtParent(oldtw->text.source) == cnew);
+ _XawSourceAddText(newtw->text.source, cnew);
+#endif
+ _XawTextSetSource((Widget)newtw, newtw->text.source, newtw->text.lt.top,
+ newtw->text.insertPos);
+ }
+
+ newtw->text.redisplay_needed = False;
+ XtSetValues((Widget)newtw->text.source, args, *num_args);
+ XtSetValues((Widget)newtw->text.sink, args, *num_args);
+
+ if (oldtw->text.wrap != newtw->text.wrap
+ || oldtw->text.lt.top != newtw->text.lt.top
+ || oldtw->text.insertPos != newtw->text.insertPos
+ || oldtw->text.r_margin.right != newtw->text.r_margin.right
+ || oldtw->text.r_margin.top != newtw->text.r_margin.top
+ || oldtw->text.sink != newtw->text.sink
+ || newtw->text.redisplay_needed) {
+ if (oldtw->text.wrap != newtw->text.wrap) {
+ newtw->text.left_margin = newtw->text.margin.left =
+ newtw->text.r_margin.left;
+ if (oldtw->text.lt.top == newtw->text.lt.top)
+ newtw->text.lt.top = SrcScan(newtw->text.source, 0, XawstEOL,
+ XawsdLeft, 1, False);
+ }
+ newtw->text.showposition = True;
+#ifndef OLDXAW
+ show_lc = True;
+ newtw->text.source_changed = SRC_CHANGE_OVERLAP;
+#endif
+ _XawTextBuildLineTable(newtw, newtw->text.lt.top, True);
+ redisplay = True;
+ }
+
+#ifndef OLDXAW
+ if (newtw->text.left_column < 0)
+ newtw->text.left_column = 0;
+ if (newtw->text.right_column < 0)
+ newtw->text.right_column = 0;
+#endif
+
+ _XawTextExecuteUpdate(newtw);
+
+#ifndef OLDXAW
+ if (show_lc)
+ _XawTextSetLineAndColumnNumber(newtw, True);
+#endif
+
+ if (redisplay)
+ _XawTextSetScrollBars(newtw);
+
+ return (redisplay);
+}
+
+/* invoked by the Simple widget's SetValues */
+static Bool
+XawTextChangeSensitive(Widget w)
+{
+ Arg args[1];
+ TextWidget tw = (TextWidget)w;
+
+ (*(&simpleClassRec)->simple_class.change_sensitive)(w);
+
+ XtSetArg(args[0], XtNancestorSensitive,
+ (tw->core.ancestor_sensitive && tw->core.sensitive));
+ if (tw->text.vbar)
+ XtSetValues(tw->text.vbar, args, ONE);
+ if (tw->text.hbar)
+ XtSetValues(tw->text.hbar, args, ONE);
+ return (False);
+}
+
+/*
+ * Function:
+ * XawTextGetValuesHook
+ *
+ * Parameters:
+ * w - Text Widget
+ * args - argument list
+ * num_args - number of args
+ *
+ * Description:
+ * This is a get values hook routine that gets the
+ * values in the text source and sink.
+ */
+static void
+XawTextGetValuesHook(Widget w, ArgList args, Cardinal *num_args)
+{
+ XtGetValues(((TextWidget)w)->text.source, args, *num_args);
+ XtGetValues(((TextWidget)w)->text.sink, args, *num_args);
+}
+
+/*
+ * Function:
+ * FindGoodPosition
+ *
+ * Parameters:
+ * pos - any position
+ *
+ * Description:
+ * Returns a valid position given any postition.
+ *
+ * Returns:
+ * A position between (0 and lastPos)
+ */
+static XawTextPosition
+FindGoodPosition(TextWidget ctx, XawTextPosition pos)
+{
+ if (pos < 0)
+ return (0);
+ return (((pos > ctx->text.lastPos) ? ctx->text.lastPos : pos));
+}
+
+/* Li wrote this so the IM can find a given text position's screen position */
+void
+_XawTextPosToXY(Widget w, XawTextPosition pos, Position *x, Position *y)
+{
+ int line, ix, iy;
+
+ LineAndXYForPosition((TextWidget)w, pos, &line, &ix, &iy);
+ *x = ix;
+ *y = iy;
+}
+
+/*******************************************************************
+The following routines provide procedural interfaces to Text window state
+setting and getting. They need to be redone so than the args code can use
+them. I suggest we create a complete set that takes the context as an
+argument and then have the public version lookup the context and call the
+internal one. The major value of this set is that they have actual application
+clients and therefore the functionality provided is required for any future
+version of Text.
+********************************************************************/
+void
+XawTextDisplay(Widget w)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ if (!XtIsRealized(w))
+ return;
+
+ _XawTextPrepareToUpdate(ctx);
+ ctx->text.clear_to_eol = True;
+ DisplayTextWindow(w);
+ _XawTextExecuteUpdate(ctx);
+}
+
+void
+XawTextSetSelectionArray(Widget w, XawTextSelectType *sarray)
+{
+ ((TextWidget)w)->text.sarray = sarray;
+}
+
+void
+XawTextGetSelectionPos(Widget w, XawTextPosition *left, XawTextPosition *right)
+{
+ *left = ((TextWidget)w)->text.s.left;
+ *right = ((TextWidget)w)->text.s.right;
+}
+
+void
+_XawTextSetSource(Widget w, Widget source,
+ XawTextPosition top, XawTextPosition startPos)
+{
+ TextWidget ctx = (TextWidget)w;
+#ifndef OLDXAW
+ Bool resolve = False;
+#endif
+
+#ifndef OLDXAW
+ if (source != ctx->text.source)
+ _XawSourceRemoveText(ctx->text.source, w, ctx->text.source &&
+ XtParent(ctx->text.source) == w);
+ _XawSourceAddText(source, w);
+
+ if (source != ctx->text.source || ctx->text.insertPos != startPos)
+ resolve = True;
+
+ ctx->text.source_changed = SRC_CHANGE_OVERLAP;
+#endif
+ ctx->text.source = source;
+ ctx->text.s.left = ctx->text.s.right = 0;
+ ctx->text.lastPos = GETLASTPOS;
+ top = FindGoodPosition(ctx, top);
+ startPos = FindGoodPosition(ctx, startPos);
+ ctx->text.insertPos = ctx->text.old_insert = startPos;
+ _XawTextPrepareToUpdate(ctx);
+
+ _XawTextBuildLineTable(ctx, top, True);
+
+ _XawTextExecuteUpdate(ctx);
+#ifndef OLDXAW
+ if (resolve)
+ _XawTextSetLineAndColumnNumber(ctx, True);
+#endif
+}
+
+void
+XawTextSetSource(Widget w, Widget source, XawTextPosition top)
+{
+ _XawTextSetSource(w, source, top, top);
+}
+
+/*
+ * This public routine deletes the text from startPos to endPos in a source and
+ * then inserts, at startPos, the text that was passed. As a side effect it
+ * "invalidates" that portion of the displayed text (if any), so that things
+ * will be repainted properly.
+ */
+int
+XawTextReplace(Widget w, XawTextPosition startPos, XawTextPosition endPos,
+ XawTextBlock *text)
+{
+ TextWidget ctx = (TextWidget)w;
+ int result;
+#ifndef OLDXAW
+ Cardinal i;
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ _XawTextPrepareToUpdate((TextWidget)src->textSrc.text[i]);
+#else
+ _XawTextPrepareToUpdate(ctx);
+#endif
+
+ endPos = FindGoodPosition(ctx, endPos);
+ startPos = FindGoodPosition(ctx, startPos);
+ result = _XawTextReplace(ctx, startPos, endPos, text);
+
+#ifndef OLDXAW
+ for (i = 0; i < src->textSrc.num_text; i++)
+ _XawTextExecuteUpdate((TextWidget)src->textSrc.text[i]);
+#else
+ _XawTextExecuteUpdate(ctx);
+#endif
+
+ return (result);
+}
+
+XawTextPosition
+XawTextTopPosition(Widget w)
+{
+ return (((TextWidget)w)->text.lt.top);
+}
+
+XawTextPosition
+XawTextLastPosition(Widget w)
+{
+ return (((TextWidget)w)->text.lastPos);
+}
+
+void
+XawTextSetInsertionPoint(Widget w, XawTextPosition position)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ _XawTextPrepareToUpdate(ctx);
+ ctx->text.insertPos = FindGoodPosition(ctx, position);
+ ctx->text.showposition = True;
+ ctx->text.from_left = -1;
+
+ _XawTextExecuteUpdate(ctx);
+#ifndef OLDXAW
+ _XawTextSetLineAndColumnNumber(ctx, False);
+#endif
+}
+
+XawTextPosition
+XawTextGetInsertionPoint(Widget w)
+{
+ return (((TextWidget)w)->text.insertPos);
+}
+
+/*
+ * Note: Must walk the selection list in opposite order from TextLoseSelection
+ */
+void
+XawTextUnsetSelection(Widget w)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ while (ctx->text.s.atom_count != 0) {
+ Atom sel = ctx->text.s.selections[ctx->text.s.atom_count - 1];
+
+ if (sel != (Atom) 0) {
+ /*
+ * As selections are lost the atom_count will decrement
+ */
+ if (GetCutBufferNumber(sel) == NOT_A_CUT_BUFFER)
+ XtDisownSelection(w, sel, ctx->text.time);
+ TextLoseSelection(w, &sel); /* In case this is a cut buffer, or
+ XtDisownSelection failed to call us */
+ }
+ }
+}
+
+void
+XawTextSetSelection(Widget w, XawTextPosition left, XawTextPosition right)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ _XawTextPrepareToUpdate(ctx);
+ _XawTextSetSelection(ctx, FindGoodPosition(ctx, left),
+ FindGoodPosition(ctx, right), NULL, 0);
+ _XawTextExecuteUpdate(ctx);
+}
+
+void
+XawTextInvalidate(Widget w, XawTextPosition from, XawTextPosition to)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ from = FindGoodPosition(ctx, from);
+ to = FindGoodPosition(ctx, to);
+ ctx->text.lastPos = GETLASTPOS;
+ _XawTextPrepareToUpdate(ctx);
+ _XawTextNeedsUpdating(ctx, from, to);
+ _XawTextExecuteUpdate(ctx);
+}
+
+/*ARGSUSED*/
+void
+XawTextDisableRedisplay(Widget w)
+{
+ ((TextWidget)w)->text.update_disabled = True;
+ _XawTextPrepareToUpdate((TextWidget)w);
+}
+
+void
+XawTextEnableRedisplay(Widget w)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition lastPos;
+
+ if (!ctx->text.update_disabled)
+ return;
+
+ ctx->text.update_disabled = False;
+ lastPos = ctx->text.lastPos = GETLASTPOS;
+ ctx->text.lt.top = FindGoodPosition(ctx, ctx->text.lt.top);
+ ctx->text.insertPos = FindGoodPosition(ctx, ctx->text.insertPos);
+
+ if (ctx->text.s.left > lastPos || ctx->text.s.right > lastPos)
+ ctx->text.s.left = ctx->text.s.right = 0;
+
+ _XawTextExecuteUpdate(ctx);
+}
+
+Widget
+XawTextGetSource(Widget w)
+{
+ return (((TextWidget)w)->text.source);
+}
+
+Widget
+XawTextGetSink(Widget w)
+{
+ return (((TextWidget)w)->text.sink);
+}
+
+void
+XawTextDisplayCaret(Widget w,
+#if NeedWidePrototypes
+ int display_caret
+#else
+ Boolean display_caret
+#endif
+)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ if (XtIsRealized(w)) {
+ _XawTextPrepareToUpdate(ctx);
+ ctx->text.display_caret = display_caret;
+ _XawTextExecuteUpdate(ctx);
+ }
+ else
+ ctx->text.display_caret = display_caret;
+}
+
+/*
+ * Function:
+ * XawTextSearch
+ *
+ * Parameters:
+ * w - text widget
+ * dir - direction to search
+ * text - text block containing info about the string to search for
+ *
+ * Description:
+ * Searches for the given text block.
+ *
+ * Returns:
+ * The position of the text found, or XawTextSearchError on an error
+ */
+XawTextPosition
+XawTextSearch(Widget w,
+#if NeedWidePrototypes
+ int dir,
+#else
+ XawTextScanDirection dir,
+#endif
+ XawTextBlock *text)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ return (SrcSearch(ctx->text.source, ctx->text.insertPos, dir, text));
+}
+
+TextClassRec textClassRec = {
+ /* core */
+ {
+ (WidgetClass)&simpleClassRec, /* superclass */
+ "Text", /* class_name */
+ sizeof(TextRec), /* widget_size */
+ XawTextClassInitialize, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ XawTextInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawTextRealize, /* realize */
+ _XawTextActionsTable, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resource */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ XtExposeGraphicsExpose | /* compress_exposure */
+ XtExposeNoExpose,
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawTextDestroy, /* destroy */
+ XawTextResize, /* resize */
+ XawTextExpose, /* expose */
+ XawTextSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ XawTextGetValuesHook, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ _XawDefaultTextTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XawTextChangeSensitive, /* change_sensitive */
+ },
+ /* text */
+ {
+ NULL, /* extension */
+ }
+};
+
+WidgetClass textWidgetClass = (WidgetClass)&textClassRec;
diff --git a/libXaw/src/TextAction.c b/libXaw/src/TextAction.c index 47c6ce62b..2e55f662e 100644 --- a/libXaw/src/TextAction.c +++ b/libXaw/src/TextAction.c @@ -1,4398 +1,4402 @@ -/* - -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <X11/Xos.h> /* for select() and struct timeval */ -#include <ctype.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xatom.h> -#include <X11/Xfuncs.h> -#include <X11/Xutil.h> -#include <X11/Xmu/Atoms.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xmu/StdSel.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/MultiSinkP.h> -#include <X11/Xaw/MultiSrcP.h> -#include <X11/Xaw/TextP.h> -#include <X11/Xaw/TextSrcP.h> -#include <X11/Xaw/XawImP.h> -#include "Private.h" -#include "XawI18n.h" - -#define SrcScan XawTextSourceScan -#define FindDist XawTextSinkFindDistance -#define FindPos XawTextSinkFindPosition -#define MULT(w) (w->text.mult == 0 ? 4 : \ - w->text.mult == 32767 ? -4 : w->text.mult) - -#define KILL_RING_APPEND 2 -#define KILL_RING_BEGIN 3 -#define KILL_RING_YANK 100 -#define KILL_RING_YANK_DONE 98 - -#define XawTextActionMaxHexChars 100 - -/* - * Prototypes - */ -static void _DeleteOrKill(TextWidget, XawTextPosition, XawTextPosition, Bool); -static void _SelectionReceived(Widget, XtPointer, Atom*, Atom*, XtPointer, - unsigned long*, int*); -static void _LoseSelection(Widget, Atom*, char**, int*); -static void AutoFill(TextWidget); -static Boolean ConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*, - unsigned long*, int*); -static void DeleteOrKill(TextWidget, XEvent*, XawTextScanDirection, - XawTextScanType, Bool, Bool); -static void EndAction(TextWidget); -#ifndef OLDXAW -static Bool BlankLine(Widget, XawTextPosition, int*); -static int DoFormatText(TextWidget, XawTextPosition, Bool, int, - XawTextBlock*, XawTextPosition*, int, Bool); -static int FormatText(TextWidget, XawTextPosition, Bool, - XawTextPosition*, int); -static Bool GetBlockBoundaries(TextWidget, XawTextPosition*, XawTextPosition*); -#endif -static int FormRegion(TextWidget, XawTextPosition, XawTextPosition, - XawTextPosition*, int); -static void GetSelection(Widget, Time, String*, Cardinal); -static char *IfHexConvertHexElseReturnParam(char*, int*); -static void InsertNewCRs(TextWidget, XawTextPosition, XawTextPosition, - XawTextPosition*, int); -static int InsertNewLineAndBackupInternal(TextWidget); -static int LocalInsertNewLine(TextWidget, XEvent*); -static void LoseSelection(Widget, Atom*); -static void ParameterError(Widget, String); -static Bool MatchSelection(Atom, XawTextSelection*); -static void ModifySelection(TextWidget, XEvent*, XawTextSelectionMode, - XawTextSelectionAction, String*, Cardinal*); -static void Move(TextWidget, XEvent*, XawTextScanDirection, XawTextScanType, - Bool); -static void NotePosition(TextWidget, XEvent*); -static void StartAction(TextWidget, XEvent*); -static XawTextPosition StripOutOldCRs(TextWidget, XawTextPosition, - XawTextPosition, XawTextPosition*, int); -#ifndef OLDXAW -static Bool StripSpaces(TextWidget, XawTextPosition, XawTextPosition, - XawTextPosition*, int, XawTextBlock*); -static Bool Tabify(TextWidget, XawTextPosition, XawTextPosition, - XawTextPosition*, int, XawTextBlock*); -static Bool Untabify(TextWidget, XawTextPosition, XawTextPosition, - XawTextPosition*, int, XawTextBlock*); -#endif - -/* - * Actions - */ -static void CapitalizeWord(Widget, XEvent*, String*, Cardinal*); -static void DisplayCaret(Widget, XEvent*, String*, Cardinal*); -static void Delete(Widget, XEvent*, String*, Cardinal*); -static void DeleteBackwardChar(Widget, XEvent*, String*, Cardinal*); -static void DeleteBackwardWord(Widget, XEvent*, String*, Cardinal*); -static void DeleteCurrentSelection(Widget, XEvent*, String*, Cardinal*); -static void DeleteForwardChar(Widget, XEvent*, String*, Cardinal*); -static void DeleteForwardWord(Widget, XEvent*, String*, Cardinal*); -static void DowncaseWord(Widget, XEvent*, String*, Cardinal*); -static void ExtendAdjust(Widget, XEvent*, String*, Cardinal*); -static void ExtendEnd(Widget, XEvent*, String*, Cardinal*); -static void ExtendStart(Widget, XEvent*, String*, Cardinal*); -static void FormParagraph(Widget, XEvent*, String*, Cardinal*); -#ifndef OLDXAW -static void Indent(Widget, XEvent*, String*, Cardinal*); -#endif -static void InsertChar(Widget, XEvent*, String*, Cardinal*); -static void InsertNewLine(Widget, XEvent*, String*, Cardinal*); -static void InsertNewLineAndBackup(Widget, XEvent*, String*, Cardinal*); -static void InsertNewLineAndIndent(Widget, XEvent*, String*, Cardinal*); -static void InsertSelection(Widget, XEvent*, String*, Cardinal*); -static void InsertString(Widget, XEvent*, String*, Cardinal*); -#ifndef OLDXAW -static void KeyboardReset(Widget, XEvent*, String*, Cardinal*); -#endif -static void KillBackwardWord(Widget, XEvent*, String*, Cardinal*); -static void KillCurrentSelection(Widget, XEvent*, String*, Cardinal*); -static void KillForwardWord(Widget, XEvent*, String*, Cardinal*); -#ifndef OLDXAW -static void KillRingYank(Widget, XEvent*, String*, Cardinal*); -#endif -static void KillToEndOfLine(Widget, XEvent*, String*, Cardinal*); -static void KillToEndOfParagraph(Widget, XEvent*, String*, Cardinal*); -static void MoveBackwardChar(Widget, XEvent*, String*, Cardinal*); -static void MoveBackwardWord(Widget, XEvent*, String*, Cardinal*); -static void MoveBackwardParagraph(Widget, XEvent*, String*, Cardinal*); -static void MoveBeginningOfFile(Widget, XEvent*, String*, Cardinal*); -static void MoveEndOfFile(Widget, XEvent*, String*, Cardinal*); -static void MoveForwardChar(Widget, XEvent*, String*, Cardinal*); -static void MoveForwardWord(Widget, XEvent*, String*, Cardinal*); -static void MoveForwardParagraph(Widget, XEvent*, String*, Cardinal*); -static void MoveNextLine(Widget, XEvent*, String*, Cardinal*); -static void MoveNextPage(Widget, XEvent*, String*, Cardinal*); -static void MovePage(TextWidget, XEvent*, XawTextScanDirection); -static void MovePreviousLine(Widget, XEvent*, String*, Cardinal*); -static void MovePreviousPage(Widget, XEvent*, String*, Cardinal*); -static void MoveLine(TextWidget, XEvent*, XawTextScanDirection); -static void MoveToLineEnd(Widget, XEvent*, String*, Cardinal*); -static void MoveToLineStart(Widget, XEvent*, String*, Cardinal*); -static void Multiply(Widget, XEvent*, String*, Cardinal*); -static void NoOp(Widget, XEvent*, String*, Cardinal*); -#ifndef OLDXAW -static void Numeric(Widget, XEvent*, String*, Cardinal*); -#endif -static void Reconnect(Widget, XEvent*, String*, Cardinal*); -static void RedrawDisplay(Widget, XEvent*, String*, Cardinal*); -static void Scroll(TextWidget, XEvent*, XawTextScanDirection); -static void ScrollOneLineDown(Widget, XEvent*, String*, Cardinal*); -static void ScrollOneLineUp(Widget, XEvent*, String*, Cardinal*); -static void SelectAdjust(Widget, XEvent*, String*, Cardinal*); -static void SelectAll(Widget, XEvent*, String*, Cardinal*); -static void SelectEnd(Widget, XEvent*, String*, Cardinal*); -static void SelectSave(Widget, XEvent*, String*, Cardinal*); -static void SelectStart(Widget, XEvent*, String*, Cardinal*); -static void SelectWord(Widget, XEvent*, String*, Cardinal*); -static void SetKeyboardFocus(Widget, XEvent*, String*, Cardinal*); -static void TextEnterWindow(Widget, XEvent*, String*, Cardinal*); -static void TextFocusIn(Widget, XEvent*, String*, Cardinal*); -static void TextFocusOut(Widget, XEvent*, String*, Cardinal*); -static void TextLeaveWindow(Widget, XEvent*, String*, Cardinal*); -static void TransposeCharacters(Widget, XEvent*, String*, Cardinal*); -#ifndef OLDXAW -static void ToggleOverwrite(Widget, XEvent*, String*, Cardinal*); -static void Undo(Widget, XEvent*, String*, Cardinal*); -#endif -static void UpcaseWord(Widget, XEvent*, String*, Cardinal*); -static void DestroyFocusCallback(Widget, XtPointer, XtPointer); - -/* - * External - */ -void _XawTextZapSelection(TextWidget, XEvent*, Bool); - -/* - * Defined in TextPop.c - */ -void _XawTextInsertFileAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextInsertFile(Widget, XEvent*, String*, Cardinal*); -void _XawTextSearch(Widget, XEvent*, String*, Cardinal*); -void _XawTextDoSearchAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextDoReplaceAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextSetField(Widget, XEvent*, String*, Cardinal*); -void _XawTextPopdownSearchAction(Widget, XEvent*, String*, Cardinal*); - -/* - * These are defined in Text.c - */ -void _XawTextAlterSelection(TextWidget, XawTextSelectionMode, - XawTextSelectionAction, String*, Cardinal*); -void _XawTextClearAndCenterDisplay(TextWidget); -void _XawTextExecuteUpdate(TextWidget); -char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition); -void _XawTextPrepareToUpdate(TextWidget); -int _XawTextReplace(TextWidget, XawTextPosition, XawTextPosition, - XawTextBlock*); -Atom *_XawTextSelectionList(TextWidget, String*, Cardinal); -void _XawTextSetSelection(TextWidget, XawTextPosition, XawTextPosition, - String*, Cardinal); -void _XawTextVScroll(TextWidget, int); -void XawTextScroll(TextWidget, int, int); -void _XawTextSetLineAndColumnNumber(TextWidget, Bool); - -#ifndef OLDXAW -/* - * Defined in TextSrc.c - */ -Bool _XawTextSrcUndo(TextSrcObject, XawTextPosition*); -Bool _XawTextSrcToggleUndo(TextSrcObject); -void _XawSourceSetUndoErase(TextSrcObject, int); -void _XawSourceSetUndoMerge(TextSrcObject, Bool); -#endif /* OLDXAW */ - -/* - * Initialization - */ -#ifndef OLDXAW -#define MAX_KILL_RINGS 1024 -XawTextKillRing *xaw_text_kill_ring; -static XawTextKillRing kill_ring_prev, kill_ring_null = { &kill_ring_prev, }; -static unsigned num_kill_rings; -#endif - -/* - * Implementation - */ -static void -ParameterError(Widget w, String param) -{ - String params[2]; - Cardinal num_params = 2; - params[0] = XtName(w); - params[1] = param; - - XtAppWarningMsg(XtWidgetToApplicationContext(w), - "parameterError", "textAction", "XawError", - "Widget: %s Parameter: %s", - params, &num_params); - XBell(XtDisplay(w), 50); -} - -static void -StartAction(TextWidget ctx, XEvent *event) -{ -#ifndef OLDXAW - Cardinal i; - TextSrcObject src = (TextSrcObject)ctx->text.source; - - for (i = 0; i < src->textSrc.num_text; i++) - _XawTextPrepareToUpdate((TextWidget)src->textSrc.text[i]); - _XawSourceSetUndoMerge(src, False); -#else - _XawTextPrepareToUpdate(ctx); -#endif - - if (event != NULL) { - switch (event->type) { - case ButtonPress: - case ButtonRelease: - ctx->text.time = event->xbutton.time; - break; - case KeyPress: - case KeyRelease: - ctx->text.time = event->xkey.time; - break; - case MotionNotify: - ctx->text.time = event->xmotion.time; - break; - case EnterNotify: - case LeaveNotify: - ctx->text.time = event->xcrossing.time; - } - } -} - -static void -NotePosition(TextWidget ctx, XEvent *event) -{ - switch (event->type) { - case ButtonPress: - case ButtonRelease: - ctx->text.ev_x = event->xbutton.x; - ctx->text.ev_y = event->xbutton.y; - break; - case KeyPress: - case KeyRelease: { - XRectangle cursor; - XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); - ctx->text.ev_x = cursor.x + cursor.width / 2; - ctx->text.ev_y = cursor.y + cursor.height / 2; - } break; - case MotionNotify: - ctx->text.ev_x = event->xmotion.x; - ctx->text.ev_y = event->xmotion.y; - break; - case EnterNotify: - case LeaveNotify: - ctx->text.ev_x = event->xcrossing.x; - ctx->text.ev_y = event->xcrossing.y; - } -} - -static void -EndAction(TextWidget ctx) -{ -#ifndef OLDXAW - Cardinal i; - TextSrcObject src = (TextSrcObject)ctx->text.source; - - for (i = 0; i < src->textSrc.num_text; i++) - _XawTextExecuteUpdate((TextWidget)src->textSrc.text[i]); - - ctx->text.mult = 1; - ctx->text.numeric = False; - if (ctx->text.kill_ring) { - if (--ctx->text.kill_ring == KILL_RING_YANK_DONE) { - if (ctx->text.kill_ring_ptr) { - --ctx->text.kill_ring_ptr->refcount; - ctx->text.kill_ring_ptr = NULL; - } - } - } -#else - ctx->text.mult = 1; - _XawTextExecuteUpdate(ctx); -#endif /* OLDXAW */ -} - -struct _SelectionList { - String* params; - Cardinal count; - Time time; - int asked; /* which selection currently has been asked for: - 0 = UTF8_STRING, 1 = COMPOUND_TEXT, 2 = STRING */ - Atom selection; /* selection atom (normally XA_PRIMARY) */ -}; - -/*ARGSUSED*/ -static void -_SelectionReceived(Widget w, XtPointer client_data, Atom *selection, - Atom *type, XtPointer value, unsigned long *length, - int *format) -{ - Display *d = XtDisplay(w); - TextWidget ctx = (TextWidget)w; - XawTextBlock text; - - if (*type == 0 /*XT_CONVERT_FAIL*/ || *length == 0) { - struct _SelectionList* list = (struct _SelectionList*)client_data; - - if (list != NULL) { - if (list->asked == 0) { - /* If we just asked for XA_UTF8_STRING and got no response, - we'll ask again, this time for XA_COMPOUND_TEXT. */ - list->asked++; - XtGetSelectionValue(w, list->selection, XA_COMPOUND_TEXT(d), - _SelectionReceived, - (XtPointer)list, list->time); - } else if (list->asked == 1) { - /* If we just asked for XA_COMPOUND_TEXT and got no response, - we'll ask again, this time for XA_STRING. */ - list->asked++; - XtGetSelectionValue(w, list->selection, XA_STRING, - _SelectionReceived, - (XtPointer)list, list->time); - } else { - /* We tried all possible text targets in this param. - Recurse on the tail of the params list. */ - GetSelection(w, list->time, list->params, list->count); - XtFree(client_data); - } - } - return; - } - - StartAction(ctx, NULL); - if (XawTextFormat(ctx, XawFmtWide)) { - XTextProperty textprop; - wchar_t **wlist; - int count; - - textprop.encoding = *type; - textprop.value = (unsigned char *)value; - textprop.nitems = strlen(value); - textprop.format = 8; - - if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) - != Success - || count < 1) { - XwcFreeStringList(wlist); - - /* Notify the user on strerr and in the insertion :) */ - fprintf(stderr, "Xaw Text Widget: An attempt was made to insert " - "an illegal selection.\n"); - - textprop.value = (unsigned char *)" >> ILLEGAL SELECTION << "; - textprop.nitems = strlen((char *) textprop.value); - if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) - != Success - || count < 1) - return; - } - - XFree(value); - value = (XPointer)wlist[0]; - - *length = wcslen(wlist[0]); - XtFree((XtPointer)wlist); - text.format = XawFmtWide; - } - text.ptr = (char*)value; - text.firstPos = 0; - text.length = *length; - if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) { - XBell(XtDisplay(ctx), 0); - EndAction(ctx); - return; - } - - ctx->text.from_left = -1; - ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert, - XawstPositions, XawsdRight, text.length, True); - - EndAction(ctx); - XtFree(client_data); - XFree(value); /* the selection value should be freed with XFree */ -} - -static void -GetSelection(Widget w, Time timev, String *params, Cardinal num_params) -{ - Display *d = XtDisplay(w); - TextWidget ctx = (TextWidget)w; - Atom selection; - int buffer; - - selection = XInternAtom(XtDisplay(w), *params, False); - switch (selection) { - case XA_CUT_BUFFER0: buffer = 0; break; - case XA_CUT_BUFFER1: buffer = 1; break; - case XA_CUT_BUFFER2: buffer = 2; break; - case XA_CUT_BUFFER3: buffer = 3; break; - case XA_CUT_BUFFER4: buffer = 4; break; - case XA_CUT_BUFFER5: buffer = 5; break; - case XA_CUT_BUFFER6: buffer = 6; break; - case XA_CUT_BUFFER7: buffer = 7; break; - default: buffer = -1; - } - if (buffer >= 0) { - int nbytes; - unsigned long length; - int fmt8 = 8; - Atom type = XA_STRING; - char *line = XFetchBuffer(XtDisplay(w), &nbytes, buffer); - - if ((length = nbytes) != 0L) - _SelectionReceived(w, NULL, &selection, &type, line, &length, &fmt8); - else if (num_params > 1) - GetSelection(w, timev, params+1, num_params-1); - } - else { - struct _SelectionList* list; - - if (--num_params) { - list = XtNew(struct _SelectionList); - list->params = params + 1; - list->count = num_params; - list->time = timev; - list->asked = 0; - list->selection = selection; - } - else - list = NULL; - XtGetSelectionValue(w, selection, XawTextFormat(ctx, XawFmtWide) ? - XA_UTF8_STRING(d) : XA_TEXT(d), - _SelectionReceived, (XtPointer)list, timev); - } -} - -static void -InsertSelection(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - StartAction((TextWidget)w, event); /* Get Time. */ - GetSelection(w, ((TextWidget)w)->text.time, params, *num_params); - EndAction((TextWidget)w); -} - -/* - * Routines for Moving Around - */ -static void -Move(TextWidget ctx, XEvent *event, XawTextScanDirection dir, - XawTextScanType type, Bool include) -{ - XawTextPosition insertPos; - short mult = MULT(ctx); - - if (mult < 0) { - mult = -mult; - dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; - } - - insertPos = SrcScan(ctx->text.source, ctx->text.insertPos, - type, dir, mult, include); - - StartAction(ctx, event); - - if (ctx->text.s.left != ctx->text.s.right) - XawTextUnsetSelection((Widget)ctx); - -#ifndef OLDXAW - ctx->text.numeric = False; -#endif - ctx->text.mult = 1; - ctx->text.showposition = True; - ctx->text.from_left = -1; - ctx->text.insertPos = insertPos; - EndAction(ctx); -} - -/*ARGSUSED*/ -static void -MoveForwardChar(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Move((TextWidget)w, event, XawsdRight, XawstPositions, True); -} - -/*ARGSUSED*/ -static void -MoveBackwardChar(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Move((TextWidget)w, event, XawsdLeft, XawstPositions, True); -} - -static void -MoveForwardWord(Widget w, XEvent *event, String *p, Cardinal *n) -{ - if (*n && (p[0][0] == 'A' || p[0][0] == 'a')) - Move((TextWidget)w, event, XawsdRight, XawstAlphaNumeric, False); - else - Move((TextWidget)w, event, XawsdRight, XawstWhiteSpace, False); -} - -static void -MoveBackwardWord(Widget w, XEvent *event, String *p, Cardinal *n) -{ - if (*n && (p[0][0] == 'A' || p[0][0] == 'a')) - Move((TextWidget)w, event, XawsdLeft, XawstAlphaNumeric, False); - else - Move((TextWidget)w, event, XawsdLeft, XawstWhiteSpace, False); -} - -static void -MoveForwardParagraph(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition position = ctx->text.insertPos; - short mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = -mult; - MoveBackwardParagraph(w, event, p, n); - return; - } - - while (mult--) { - position = SrcScan(ctx->text.source, position, - XawstEOL, XawsdRight, 1, False) - 1; - - while (position == SrcScan(ctx->text.source, position, - XawstEOL, XawsdRight, 1, False)) - if (++position > ctx->text.lastPos) { - mult = 0; - break; - } - - position = SrcScan(ctx->text.source, position, - XawstParagraph, XawsdRight, 1, True); - if (position != ctx->text.lastPos) - position = SrcScan(ctx->text.source, position - 1, - XawstEOL, XawsdLeft, 1, False); - else - break; - } - - if (position != ctx->text.insertPos) { - XawTextUnsetSelection(w); - StartAction(ctx, event); - ctx->text.showposition = True; - ctx->text.from_left = -1; - ctx->text.insertPos = position; - EndAction(ctx); - } - else - ctx->text.mult = 1; -} - -/*ARGSUSED*/ -static void -MoveBackwardParagraph(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition position = ctx->text.insertPos; - short mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = -mult; - MoveForwardParagraph(w, event, p, n); - return; - } - - while (mult--) { - position = SrcScan(ctx->text.source, position, - XawstEOL, XawsdLeft, 1, False) + 1; - - while (position == SrcScan(ctx->text.source, position, - XawstEOL, XawsdLeft, 1, False)) - if (--position < 0) { - mult = 0; - break; - } - - position = SrcScan(ctx->text.source, position, - XawstParagraph, XawsdLeft, 1, True); - if (position > 0 && position < ctx->text.lastPos) - ++position; - else - break; - } - - if (position != ctx->text.insertPos) { - XawTextUnsetSelection(w); - StartAction(ctx, event); - ctx->text.showposition = True; - ctx->text.from_left = -1; - ctx->text.insertPos = position; - EndAction(ctx); - } - else - ctx->text.mult = 1; -} - -/*ARGSUSED*/ -static void -MoveToLineEnd(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Move((TextWidget)w, event, XawsdRight, XawstEOL, False); -} - -/*ARGSUSED*/ -static void -MoveToLineStart(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Move((TextWidget)w, event, XawsdLeft, XawstEOL, False); -} - -static void -MoveLine(TextWidget ctx, XEvent *event, XawTextScanDirection dir) -{ - XawTextPosition cnew, next_line, ltemp; - int itemp, from_left; - short mult = MULT(ctx); - - StartAction(ctx, event); - - XawTextUnsetSelection((Widget)ctx); - - if (dir == XawsdLeft) - mult = mult == 0 ? 5 : mult + 1; - - cnew = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstEOL, XawsdLeft, 1, False); - - if (ctx->text.from_left < 0) - FindDist(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.insertPos, - &ctx->text.from_left, <emp, &itemp); - - cnew = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL, dir, - mult, (dir == XawsdRight)); - - next_line = SrcScan(ctx->text.source, cnew, XawstEOL, XawsdRight, 1, False); - - FindPos(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.from_left, - False, &ctx->text.insertPos, &from_left, &itemp); - - if (from_left < ctx->text.from_left) { - XawTextBlock block; - - XawTextSourceRead(ctx->text.source, ctx->text.insertPos, &block, 1); - if (block.length) { - if (XawTextFormat(ctx, XawFmtWide)) { - if (*(wchar_t *)block.ptr == _Xaw_atowc(XawTAB)) - ++ctx->text.insertPos; - } - else if (block.ptr[0] == XawTAB) - ++ctx->text.insertPos; - } - } - - if (ctx->text.insertPos > next_line) - ctx->text.insertPos = next_line; - - EndAction(ctx); -} - -static void -MoveNextLine(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - short mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = -mult; - MovePreviousLine(w, event, p, n); - return; - } - - if (ctx->text.insertPos < ctx->text.lastPos) - MoveLine(ctx, event, XawsdRight); - else - ctx->text.mult = 1; -} - -static void -MovePreviousLine(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - short mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = -mult; - MoveNextLine(w, event, p, n); - return; - } - - if (ctx->text.lt.top != 0 || (ctx->text.lt.lines > 1 && - ctx->text.insertPos >= ctx->text.lt.info[1].position)) - MoveLine(ctx, event, XawsdLeft); - else - ctx->text.mult = 1; -} - -/*ARGSUSED*/ -static void -MoveBeginningOfFile(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Move((TextWidget)w, event, XawsdLeft, XawstAll, True); -} - -/*ARGSUSED*/ -static void -MoveEndOfFile(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Move((TextWidget)w, event, XawsdRight, XawstAll, True); -} - -static void -Scroll(TextWidget ctx, XEvent *event, XawTextScanDirection dir) -{ - short mult = MULT(ctx); - - if (mult < 0) { - mult = -mult; - dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; - } - - if (ctx->text.lt.lines > 1 - && (dir == XawsdRight - || ctx->text.lastPos >= ctx->text.lt.info[1].position)) { - StartAction(ctx, event); - - if (dir == XawsdLeft) - _XawTextVScroll(ctx, mult); - else - _XawTextVScroll(ctx, -mult); - - EndAction(ctx); - } - else { - ctx->text.mult = 1; -#ifndef OLDXAW - ctx->text.numeric = False; -#endif - } -} - -/*ARGSUSED*/ -static void -ScrollOneLineUp(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Scroll((TextWidget)w, event, XawsdLeft); -} - -/*ARGSUSED*/ -static void -ScrollOneLineDown(Widget w, XEvent *event, String *p, Cardinal *n) -{ - Scroll((TextWidget)w, event, XawsdRight); -} - -static void -MovePage(TextWidget ctx, XEvent *event, XawTextScanDirection dir) -{ - int scroll_val = 0; - XawTextPosition old_pos; - - ctx->text.from_left = -1; - switch (dir) { - case XawsdLeft: - if (ctx->text.lt.top != 0) - scroll_val = -Max(1, ctx->text.lt.lines - 1); - break; - case XawsdRight: - if (!IsPositionVisible(ctx, Max(0, ctx->text.lastPos))) - scroll_val = Max(1, ctx->text.lt.lines - 1); - break; - } - - if (scroll_val) - XawTextScroll(ctx, scroll_val, - ctx->text.left_margin - ctx->text.r_margin.left); - - old_pos = ctx->text.insertPos; - switch (dir) { - case XawsdRight: - if (IsPositionVisible(ctx, Max(0, ctx->text.lastPos))) - ctx->text.insertPos = Max(0, ctx->text.lastPos); - else - ctx->text.insertPos = ctx->text.lt.top; - if (ctx->text.insertPos < old_pos) - ctx->text.insertPos = SrcScan(ctx->text.source, old_pos, - XawstEOL, XawsdLeft, 1, False); - break; - case XawsdLeft: - if (IsPositionVisible(ctx, 0)) - ctx->text.insertPos = 0; - else if (ctx->text.lt.lines) - ctx->text.insertPos = - ctx->text.lt.info[ctx->text.lt.lines - 1].position; - else - ctx->text.insertPos = ctx->text.lt.top; - if (ctx->text.insertPos > old_pos) - ctx->text.insertPos = SrcScan(ctx->text.source, old_pos, - XawstEOL, XawsdLeft, 1, False); - break; - } -} - -static void -MoveNextPage(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - short mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = -mult; - MovePreviousPage(w, event, p, n); - return; - } - - if (ctx->text.insertPos < ctx->text.lastPos) { - XawTextUnsetSelection(w); - StartAction(ctx, event); - ctx->text.clear_to_eol = True; - while (mult-- && ctx->text.insertPos < ctx->text.lastPos) - MovePage(ctx, event, XawsdRight); - EndAction(ctx); - } - else - ctx->text.mult = 1; -} - -/*ARGSUSED*/ -static void -MovePreviousPage(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - short mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = -mult; - MoveNextPage(w, event, p, n); - return; - } - - if (ctx->text.insertPos > 0) { - XawTextUnsetSelection(w); - StartAction(ctx, event); - ctx->text.clear_to_eol = True; - while (mult-- && ctx->text.insertPos > 0) - MovePage(ctx, event, XawsdLeft); - EndAction(ctx); - } - else - ctx->text.mult = 1; -} - -/* - * Delete Routines - */ -static Bool -MatchSelection(Atom selection, XawTextSelection *s) -{ - Atom *match; - int count; - - for (count = 0, match = s->selections; count < s->atom_count; - match++, count++) - if (*match == selection) - return (True); - - return (False); -} - -#define SrcCvtSel XawTextSourceConvertSelection - -static Boolean -ConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type, - XtPointer *value, unsigned long *length, int *format) -{ - Display *d = XtDisplay(w); - TextWidget ctx = (TextWidget)w; - Widget src = ctx->text.source; - XawTextEditType edit_mode; - Arg args[1]; - XawTextSelectionSalt *salt = NULL; - XawTextSelection *s; - - if (*target == XA_TARGETS(d)) { - Atom *targetP, *std_targets; - unsigned long std_length; - - if (SrcCvtSel(src, selection, target, type, value, length, format)) - return (True); - - XtSetArg(args[0], XtNeditType,&edit_mode); - XtGetValues(src, args, 1); - - XmuConvertStandardSelection(w, ctx->text.time, selection, - target, type, (XPointer *)&std_targets, - &std_length, format); - - *length = 7 + (edit_mode == XawtextEdit) + std_length; - *value = XtMalloc((unsigned)sizeof(Atom)*(*length)); - targetP = *(Atom**)value; - *targetP++ = XA_STRING; - *targetP++ = XA_TEXT(d); - *targetP++ = XA_UTF8_STRING(d); - *targetP++ = XA_COMPOUND_TEXT(d); - *targetP++ = XA_LENGTH(d); - *targetP++ = XA_LIST_LENGTH(d); - *targetP++ = XA_CHARACTER_POSITION(d); - if (edit_mode == XawtextEdit) { - *targetP++ = XA_DELETE(d); - } - memcpy((char*)targetP, (char*)std_targets, sizeof(Atom)*std_length); - XtFree((char*)std_targets); - *type = XA_ATOM; - *format = 32; - return (True); - } - - if (SrcCvtSel(src, selection, target, type, value, length, format)) - return (True); - - for (salt = ctx->text.salt2; salt; salt = salt->next) - if (MatchSelection (*selection, &salt->s)) - break; - if (!salt) - return (False); - s = &salt->s; - if (*target == XA_STRING - || *target == XA_TEXT(d) - || *target == XA_UTF8_STRING(d) - || *target == XA_COMPOUND_TEXT(d)) { - if (*target == XA_TEXT(d)) { - if (XawTextFormat(ctx, XawFmtWide)) - *type = XA_COMPOUND_TEXT(d); - else - *type = XA_STRING; - } - else - *type = *target; - - /* - * If salt is True, the salt->contents stores CT string, - * its length is measured in bytes. - * Refer to _XawTextSaltAwaySelection() - * - * by Li Yuhong, Mar. 20, 1991. - */ - if (!salt) { - *value = (char *)_XawTextGetSTRING(ctx, s->left, s->right); - if (XawTextFormat(ctx, XawFmtWide)) { - XTextProperty textprop; - if (XwcTextListToTextProperty(d, (wchar_t**)value, 1, - XCompoundTextStyle, &textprop) - < Success) { - XtFree(*value); - return (False); - } - XtFree(*value); - *value = (XtPointer)textprop.value; - *length = textprop.nitems; - } - else - *length = strlen(*value); - } - else { - *value = XtMalloc((salt->length + 1) * sizeof(unsigned char)); - strcpy (*value, salt->contents); - *length = salt->length; - } - /* Got *value,*length, now in COMPOUND_TEXT format. */ - if (XawTextFormat(ctx, XawFmtWide)) { - if (*type == XA_STRING) { - XTextProperty textprop; - wchar_t **wlist; - int count; - - textprop.encoding = XA_COMPOUND_TEXT(d); - textprop.value = (unsigned char *)*value; - textprop.nitems = strlen(*value); - textprop.format = 8; - if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) - < Success - || count < 1) { - XtFree(*value); - return (False); - } - XtFree(*value); - if (XwcTextListToTextProperty(d, wlist, 1, XStringStyle, &textprop) - < Success) { - XwcFreeStringList((wchar_t**)wlist); - return (False); - } - *value = (XtPointer)textprop.value; - *length = textprop.nitems; - XwcFreeStringList((wchar_t**) wlist); - } - else if (*type == XA_UTF8_STRING(d)) { - XTextProperty textprop; - char **list; - int count; - - textprop.encoding = XA_COMPOUND_TEXT(d); - textprop.value = (unsigned char *)*value; - textprop.nitems = strlen(*value); - textprop.format = 8; - if (Xutf8TextPropertyToTextList(d, &textprop, &list, &count) - < Success - || count < 1) { - XtFree(*value); - return (False); - } - XtFree(*value); - *value = *list; - *length = strlen(*list); - XFree(list); - } - } - *format = 8; - return (True); - } - - if (*target == XA_LIST_LENGTH(d) || *target == XA_LENGTH(d)) { - long *temp; - - temp = (long *)XtMalloc(sizeof(long)); - if (*target == XA_LIST_LENGTH(d)) - *temp = 1L; - else /* *target == XA_LENGTH(d) */ - *temp = (long)(s->right - s->left); - - *value = (XPointer)temp; - *type = XA_INTEGER; - *length = 1L; - *format = 32; - return (True); - } - - if (*target == XA_CHARACTER_POSITION(d)) { - long *temp; - - temp = (long *) XtMalloc(2 * sizeof(long)); - temp[0] = (long)(s->left + 1); - temp[1] = s->right; - *value = (XPointer)temp; - *type = XA_SPAN(d); - *length = 2L; - *format = 32; - return (True); - } - - if (*target == XA_DELETE(d)) { - if (!salt) - _XawTextZapSelection(ctx, NULL, True); - *value = NULL; - *type = XA_NULL(d); - *length = 0; - *format = 32; - return (True); - } - - if (XmuConvertStandardSelection(w, ctx->text.time, selection, target, type, - (XPointer *)value, length, format)) - return (True); - - return (False); -} - -static void -LoseSelection(Widget w, Atom *selection) -{ - _LoseSelection(w, selection, NULL, NULL); -} - -static void -_LoseSelection(Widget w, Atom *selection, char **contents, int *length) -{ - TextWidget ctx = (TextWidget)w; - Atom *atomP; - int i; - XawTextSelectionSalt *salt, *prevSalt, *nextSalt; - - prevSalt = 0; - for (salt = ctx->text.salt2; salt; salt = nextSalt) { - atomP = salt->s.selections; - nextSalt = salt->next; - for (i = 0 ; i < salt->s.atom_count; i++, atomP++) - if (*selection == *atomP) - *atomP = (Atom)0; - - while (salt->s.atom_count - && salt->s.selections[salt->s.atom_count-1] == 0) - salt->s.atom_count--; - - /* - * Must walk the selection list in opposite order from UnsetSelection. - */ - atomP = salt->s.selections; - for (i = 0 ; i < salt->s.atom_count; i++, atomP++) - if (*atomP == (Atom)0) { - *atomP = salt->s.selections[--salt->s.atom_count]; - - while (salt->s.atom_count - && salt->s.selections[salt->s.atom_count-1] == 0) - salt->s.atom_count--; - } - if (salt->s.atom_count == 0) { -#ifndef OLDXAW - if (contents == NULL) { - XawTextKillRing *kill_ring = XtNew(XawTextKillRing); - - kill_ring->next = xaw_text_kill_ring; - kill_ring->contents = salt->contents; - kill_ring->length = salt->length; - kill_ring->format = XawFmt8Bit; - xaw_text_kill_ring = kill_ring; - kill_ring_prev.next = xaw_text_kill_ring; - - if (++num_kill_rings > MAX_KILL_RINGS) { - XawTextKillRing *tail = NULL; - - while (kill_ring->next) { - tail = kill_ring; - kill_ring = kill_ring->next; - } - if (kill_ring->refcount == 0) { - --num_kill_rings; - tail->next = NULL; - XtFree(kill_ring->contents); - XtFree((char*)kill_ring); - } - } - } - else { - *contents = salt->contents; - *length = salt->length; - } -#endif - if (prevSalt) - prevSalt->next = nextSalt; - else - ctx->text.salt2 = nextSalt; - - XtFree((char *)salt->s.selections); - XtFree((char *)salt); - } - else - prevSalt = salt; - } -} - -static void -_DeleteOrKill(TextWidget ctx, XawTextPosition from, XawTextPosition to, - Bool kill) -{ - XawTextBlock text; - -#ifndef OLDXAW - if (ctx->text.kill_ring_ptr) { - --ctx->text.kill_ring_ptr->refcount; - ctx->text.kill_ring_ptr = NULL; - } -#endif - if (kill && from < to) { -#ifndef OLDXAW - Bool append = False; - char *ring = NULL; - XawTextPosition old_from = from; -#endif - char *string; - int size = 0, length; - XawTextSelectionSalt *salt; - Atom selection = XInternAtom(XtDisplay(ctx), "SECONDARY", False); - -#ifndef OLDXAW - if (ctx->text.kill_ring == KILL_RING_APPEND) { - old_from = ctx->text.salt2->s.left; - append = True; - } - else - ctx->text.kill_ring = KILL_RING_BEGIN; - - if (append) - _LoseSelection((Widget)ctx, &selection, &ring, &size); - else -#endif - LoseSelection((Widget)ctx, &selection); - - salt = (XawTextSelectionSalt*)XtMalloc(sizeof(XawTextSelectionSalt)); - salt->s.selections = (Atom *)XtMalloc(sizeof(Atom)); - salt->s.left = from; - salt->s.right = to; - - string = (char *)_XawTextGetSTRING(ctx, from, to); - - if (XawTextFormat(ctx, XawFmtWide)) { - XTextProperty textprop; - - if (XwcTextListToTextProperty(XtDisplay((Widget)ctx), - (wchar_t**)(&string), - 1, XCompoundTextStyle, - &textprop) < Success) { - XtFree(string); - XtFree((char*)salt->s.selections); - XtFree((char*)salt); - return; - } - XtFree(string); - string = (char *)textprop.value; - length = textprop.nitems; - } - else - length = strlen(string); - - salt->length = length + size; - -#ifndef OLDXAW - if (!append) - salt->contents = string; - else { - salt->contents = XtMalloc(length + size + 1); - if (from >= old_from) { - strncpy(salt->contents, ring, size); - salt->contents[size] = '\0'; - strncat(salt->contents, string, length); - } - else { - strncpy(salt->contents, string, length); - salt->contents[length] = '\0'; - strncat(salt->contents, ring, size); - } - salt->contents[length + size] = '\0'; - XtFree(ring); - XtFree(string); - } - - kill_ring_prev.contents = salt->contents; - kill_ring_prev.length = salt->length; - kill_ring_prev.format = XawFmt8Bit; -#else - salt->contents = string; -#endif - - salt->next = ctx->text.salt2; - ctx->text.salt2 = salt; - -#ifndef OLDXAW - if (append) - ctx->text.kill_ring = KILL_RING_BEGIN; -#endif - - salt->s.selections[0] = selection; - - XtOwnSelection((Widget)ctx, selection, ctx->text.time, - ConvertSelection, LoseSelection, NULL); - salt->s.atom_count = 1; - } - text.length = 0; - text.firstPos = 0; - - text.format = _XawTextFormat(ctx); - text.ptr = ""; - - if (_XawTextReplace(ctx, from, to, &text)) { - XBell(XtDisplay(ctx), 50); - return; - } - ctx->text.from_left = -1; - ctx->text.insertPos = from; - ctx->text.showposition = TRUE; -} - -static void -DeleteOrKill(TextWidget ctx, XEvent *event, XawTextScanDirection dir, - XawTextScanType type, Bool include, Bool kill) -{ - XawTextPosition from, to; - short mult = MULT(ctx); - - if (mult < 0) { - mult = -mult; - dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; - } - - StartAction(ctx, event); -#ifndef OLDXAW - if (mult == 1) - _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True); -#endif - to = SrcScan(ctx->text.source, ctx->text.insertPos, - type, dir, mult, include); - - /* - * If no movement actually happened, then bump the count and try again. - * This causes the character position at the very beginning and end of - * a boundary to act correctly - */ - if (to == ctx->text.insertPos) - to = SrcScan(ctx->text.source, ctx->text.insertPos, - type, dir, mult + 1, include); - - if (dir == XawsdLeft) { - from = to; - to = ctx->text.insertPos; - } - else - from = ctx->text.insertPos; - - _DeleteOrKill(ctx, from, to, kill); - EndAction(ctx); -} - -static void -Delete(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - - if (ctx->text.s.left != ctx->text.s.right) - DeleteCurrentSelection(w, event, p, n); - else - DeleteBackwardChar(w, event, p, n); -} - -static void -DeleteChar(Widget w, XEvent *event, XawTextScanDirection dir) -{ - TextWidget ctx = (TextWidget)w; - short mul = MULT(ctx); - - if (mul < 0) { - ctx->text.mult = mul = -mul; - dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; - } - DeleteOrKill(ctx, event, dir, XawstPositions, True, False); -#ifndef OLDXAW - if (mul == 1) - _XawSourceSetUndoErase((TextSrcObject)ctx->text.source, - dir == XawsdLeft ? -1 : 1); -#endif -} - -/*ARGSUSED*/ -static void -DeleteForwardChar(Widget w, XEvent *event, String *p, Cardinal *n) -{ - DeleteChar(w, event, XawsdRight); -} - -/*ARGSUSED*/ -static void -DeleteBackwardChar(Widget w, XEvent *event, String *p, Cardinal *n) -{ - DeleteChar(w, event, XawsdLeft); -} - -static void -DeleteForwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - XawTextScanType type; - - if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) - type = XawstAlphaNumeric; - else - type = XawstWhiteSpace; - - DeleteOrKill((TextWidget)w, event, XawsdRight, type, False, False); -} - -static void -DeleteBackwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - XawTextScanType type; - - if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) - type = XawstAlphaNumeric; - else - type = XawstWhiteSpace; - - DeleteOrKill((TextWidget)w, event, XawsdLeft, type, False, False); -} - -static void -KillForwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - XawTextScanType type; - - if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) - type = XawstAlphaNumeric; - else - type = XawstWhiteSpace; - - DeleteOrKill((TextWidget)w, event, XawsdRight, type, False, True); -} - -static void -KillBackwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - XawTextScanType type; - - if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) - type = XawstAlphaNumeric; - else - type = XawstWhiteSpace; - - DeleteOrKill((TextWidget) w, event, XawsdLeft, type, False, True); -} - -/*ARGSUSED*/ -static void -KillToEndOfLine(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition end_of_line; - XawTextScanDirection dir = XawsdRight; - short mult = MULT(ctx); - - if (mult < 0) { - dir = XawsdLeft; - mult = -mult; - } - - StartAction(ctx, event); - end_of_line = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL, - dir, mult, False); - if (end_of_line == ctx->text.insertPos) - end_of_line = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL, - dir, mult, True); - - if (dir == XawsdRight) - _DeleteOrKill(ctx, ctx->text.insertPos, end_of_line, True); - else - _DeleteOrKill(ctx, end_of_line, ctx->text.insertPos, True); - EndAction(ctx); -} - -/*ARGSUSED*/ -static void -KillToEndOfParagraph(Widget w, XEvent *event, String *p, Cardinal *n) -{ - DeleteOrKill((TextWidget)w, event, XawsdRight, XawstParagraph, False, True); -} - -void -_XawTextZapSelection(TextWidget ctx, XEvent *event, Bool kill) -{ - StartAction(ctx, event); - _DeleteOrKill(ctx, ctx->text.s.left, ctx->text.s.right, kill); - EndAction(ctx); -} - -/*ARGSUSED*/ -static void -KillCurrentSelection(Widget w, XEvent *event, String *p, Cardinal *n) -{ - _XawTextZapSelection((TextWidget) w, event, True); -} - -#ifndef OLDXAW -/*ARGSUSED*/ -static void -KillRingYank(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition insertPos = ctx->text.insertPos; - Bool first_yank = False; - - if (ctx->text.s.left != ctx->text.s.right) - XawTextUnsetSelection((Widget)ctx); - - StartAction(ctx, event); - - if (ctx->text.kill_ring_ptr == NULL) { - ctx->text.kill_ring_ptr = &kill_ring_prev; - ++ctx->text.kill_ring_ptr->refcount; - ctx->text.s.left = ctx->text.s.right = insertPos; - first_yank = True; - } - if (ctx->text.kill_ring_ptr) { - int mul = MULT(ctx); - XawTextBlock text; - - if (!first_yank) { - if (mul < 0) - mul = 1; - --ctx->text.kill_ring_ptr->refcount; - while (mul--) { - if ((ctx->text.kill_ring_ptr = ctx->text.kill_ring_ptr->next) == NULL) - ctx->text.kill_ring_ptr = &kill_ring_null; - } - ++ctx->text.kill_ring_ptr->refcount; - } - text.firstPos = 0; - text.length = ctx->text.kill_ring_ptr->length; - text.ptr = ctx->text.kill_ring_ptr->contents; - text.format = ctx->text.kill_ring_ptr->format; - - if (_XawTextReplace(ctx, ctx->text.s.left, insertPos, &text) == XawEditDone) { - ctx->text.kill_ring = KILL_RING_YANK; - ctx->text.insertPos = ctx->text.s.left + text.length; - } - } - else - XBell(XtDisplay(w), 0); - - EndAction(ctx); -} -#endif /* OLDXAW */ - -/*ARGSUSED*/ -static void -DeleteCurrentSelection(Widget w, XEvent *event, String *p, Cardinal *n) -{ - _XawTextZapSelection((TextWidget)w, event, False); -} - -#ifndef OLDXAW -#define CHECK_SAVE() \ - if (save && !save->ptr) \ - save->ptr = _XawTextGetText(ctx, save->firstPos, \ - save->firstPos + save->length) -static Bool -StripSpaces(TextWidget ctx, XawTextPosition left, XawTextPosition right, - XawTextPosition *pos, int num_pos, XawTextBlock *save) -{ - Bool done, space; - int i, cpos, count = 0; - XawTextBlock block, text; - XawTextPosition ipos, position = left, tmp = left; - - text.firstPos = 0; - text.format = XawFmt8Bit; - text.ptr = " "; - text.length = 1; - - position = XawTextSourceRead(ctx->text.source, position, - &block, right - left); - done = False; - space = False; - /* convert tabs and returns to spaces */ - while (!done) { - if (XawTextFormat(ctx, XawFmt8Bit)) { - for (i = 0; i < block.length; i++) - if (block.ptr[i] == '\t' || block.ptr[i] == '\n') { - space = True; - break; - } - } - else { - wchar_t *wptr = (wchar_t*)block.ptr; - for (i = 0; i < block.length; i++) - if (wptr[i] == _Xaw_atowc('\t') || wptr[i] == _Xaw_atowc('\n')) { - space = True; - break; - } - } - if (space) { - CHECK_SAVE(); - if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text)) - return (False); - space = False; - } - tmp += i; - position = XawTextSourceRead(ctx->text.source, tmp, - &block, right - tmp); - if (block.length == 0 || tmp == position || tmp >= right) - done = True; - } - - text.ptr = ""; - text.length = 0; - position = tmp = left; - position = XawTextSourceRead(ctx->text.source, position, - &block, right - left); - ipos = ctx->text.insertPos; - done = False; - while (!done) { - if (XawTextFormat(ctx, XawFmt8Bit)) { - for (i = 0; i < block.length; i++) - if (block.ptr[i] == ' ') - ++count; - else if (count == 1) - count = 0; - else if (count) - break; - } - else { - wchar_t *wptr = (wchar_t*)block.ptr; - for (i = 0; i < block.length; i++) - if (wptr[i] == _Xaw_atowc(' ')) - ++count; - else if (count == 1) - count = 0; - else if (count) - break; - } - if (--count > 0) { - CHECK_SAVE(); - if (_XawTextReplace(ctx, tmp + i - count, tmp + i, &text)) - return (False); - right -= count; - if (num_pos) { - for (cpos = 0; cpos < num_pos; cpos++) { - if (tmp + i - count < pos[cpos]) { - if (tmp + i < pos[cpos]) - pos[cpos] -= count; - else - pos[cpos] = tmp + i - count; - } - } - } - else { - if (tmp + i - count < ipos) { - if (tmp + i < ipos) - ipos -= count; - else - ipos = tmp + i - count; - } - } - tmp += i - count; - } - else - tmp += i + 1; - count = 0; - position = XawTextSourceRead(ctx->text.source, tmp, - &block, right - tmp); - if (block.length == 0 || tmp == position || tmp >= right) - done = True; - } - if (!num_pos) - ctx->text.insertPos = ipos; - - return (True); -} - -static Bool -Tabify(TextWidget ctx, XawTextPosition left, XawTextPosition right, - XawTextPosition *pos, int num_pos, XawTextBlock *save) -{ - Bool done, zero; - int i, cpos, count = 0, column = 0, offset = 0; - XawTextBlock text, block; - XawTextPosition ipos, position = left, tmp = left; - TextSinkObject sink = (TextSinkObject)ctx->text.sink; - short *char_tabs = sink->text_sink.char_tabs; - int tab_count = sink->text_sink.tab_count; - int tab_index = 0, tab_column = 0, TAB_SIZE = DEFAULT_TAB_SIZE; - - text.firstPos = 0; - text.ptr = "\t"; - text.format = XawFmt8Bit; - text.length = 1; - - position = XawTextSourceRead(ctx->text.source, position, - &block, right - left); - ipos = ctx->text.insertPos; - done = zero = False; - if (tab_count) - TAB_SIZE = *char_tabs; - while (!done) { - if (XawTextFormat(ctx, XawFmt8Bit)) { - for (i = 0; i < block.length; i++) { - ++offset; - ++column; - if (tab_count) { - if (column > tab_column + char_tabs[tab_index]) { - TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs; - if (++tab_index >= tab_count) { - tab_column += char_tabs[tab_count - 1]; - tab_index = 0; - } - } - } - if (block.ptr[i] == ' ') { - if (++count > TAB_SIZE) - count %= TAB_SIZE; - if ((tab_count && column == tab_column + char_tabs[tab_index]) || - (!tab_count && column % TAB_SIZE == 0)) { - if (count % (TAB_SIZE + 1) > 1) - break; - else - count = 0; - } - } - else { - if (block.ptr[i] == '\n') { - zero = True; - break; - } - count = 0; - } - } - } - else { - wchar_t *wptr = (wchar_t*)block.ptr; - for (i = 0; i < block.length; i++) { - ++offset; - ++column; - if (tab_count) { - if (column > tab_column + char_tabs[tab_index]) { - TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs; - if (++tab_index >= tab_count) { - tab_column += char_tabs[tab_count - 1]; - tab_index = 0; - } - } - } - if (wptr[i] == _Xaw_atowc(' ')) { - if (++count > TAB_SIZE) - count %= TAB_SIZE; - if ((tab_count && column == tab_column + char_tabs[tab_index]) || - (!tab_count && column % TAB_SIZE == 0)) { - if (count % (TAB_SIZE + 1) > 1) - break; - else - count = 0; - } - } - else { - if (wptr[i] == _Xaw_atowc('\n')) { - zero = True; - break; - } - count = 0; - } - } - } - count %= TAB_SIZE + 1; - if (!zero && count > 1 && i < block.length) { - CHECK_SAVE(); - if (_XawTextReplace(ctx, tmp + i - count + 1, tmp + i + 1, &text)) - return (False); - right -= count - 1; - offset -= count - 1; - if (num_pos) { - for (cpos = 0; cpos < num_pos; cpos++) { - if (tmp + i - count + 1 < pos[cpos]) { - if (tmp + i + 1 < pos[cpos]) - pos[cpos] -= count; - else - pos[cpos] = tmp + i - count + 1; - ++pos[cpos]; - } - } - } - else { - if (tmp + i - count + 1 < ipos) { - if (tmp + i + 1 < ipos) - ipos -= count; - else - ipos = tmp + i - count + 1; - ++ipos; - } - } - } - if (count) - --count; - if (zero) { - count = column = 0; - zero = False; - if (tab_count) { - tab_column = tab_index = 0; - TAB_SIZE = *char_tabs; - } - } - else if (i < block.length) - count = 0; - tmp = left + offset; - position = XawTextSourceRead(ctx->text.source, tmp, - &block, right - tmp); - if (tmp == position || tmp >= right) - done = True; - } - if (!num_pos) - ctx->text.insertPos = ipos; - - return (True); -} - -static Bool -Untabify(TextWidget ctx, XawTextPosition left, XawTextPosition right, - XawTextPosition *pos, int num_pos, XawTextBlock *save) -{ - Bool done, zero; - int i, cpos, count = 0, diff = 0; - XawTextBlock block, text; - XawTextPosition ipos, position = left, tmp = left; - TextSinkObject sink = (TextSinkObject)ctx->text.sink; - short *char_tabs = sink->text_sink.char_tabs; - int tab_count = sink->text_sink.tab_count; - int tab_index = 0, tab_column = 0, tab_base = 0; - static char *tabs = " "; - - text.firstPos = 0; - text.format = XawFmt8Bit; - text.ptr = tabs; - - position = XawTextSourceRead(ctx->text.source, position, - &block, right - left); - ipos = ctx->text.insertPos; - done = False; - zero = False; - while (!done) { - if (XawTextFormat(ctx, XawFmt8Bit)) - for (i = 0; i < block.length; i++) { - if (block.ptr[i] != '\t') { - ++count; - if (block.ptr[i] == '\n') { - zero = True; - break; - } - } - else - break; - } - else { - wchar_t *wptr = (wchar_t*)block.ptr; - for (i = 0; i < block.length; i++) - if (wptr[i] != _Xaw_atowc('\t')) { - ++count; - if (wptr[i] != _Xaw_atowc('\n')) { - zero = True; - break; - } - } - else - break; - } - if (!zero && i < block.length) { - if (tab_count) { - while (tab_base + tab_column <= count) { - for (; tab_index < tab_count; ++tab_index) - if (tab_base + char_tabs[tab_index] > count) { - tab_column = char_tabs[tab_index]; - break; - } - if (tab_index >= tab_count) { - tab_base += char_tabs[tab_count - 1]; - tab_column = tab_index = 0; - } - } - text.length = (tab_base + tab_column) - count; - if (text.length > 8) { - int j; - - text.ptr = XtMalloc(text.length); - for (j = 0; j < text.length; j++) - text.ptr[j] = ' '; - } - else - text.ptr = tabs; - } - else - text.length = DEFAULT_TAB_SIZE - (count % DEFAULT_TAB_SIZE); - CHECK_SAVE(); - if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text)) { - if (tab_count && text.length > 8) - XtFree(text.ptr); - return (False); - } - if (tab_count && text.length > 8) - XtFree(text.ptr); - count += text.length; - right += text.length - 1; - if (num_pos) { - for (cpos = 0; cpos < num_pos; cpos++) { - if (tmp + i < pos[cpos]) { - if (tmp + i + 1 < pos[cpos]) - --pos[cpos]; - else - pos[cpos] = tmp + i; - pos[cpos] += text.length; - } - } - } - else { - if (tmp + i < ipos) { - if (tmp + i + 1 < ipos) - --ipos; - else - ipos = tmp + i; - ipos += text.length; - } - } - } - tmp = left + count + diff; - if (zero) { - diff += count; - count = 0; - zero = False; - if (tab_count) - tab_base = tab_column = tab_index = 0; - } - position = XawTextSourceRead(ctx->text.source, tmp, - &block, right - tmp); - if (tmp == position || tmp >= right) - done = True; - } - if (!num_pos) - ctx->text.insertPos = ipos; - - return (True); -} - -static int -FormatText(TextWidget ctx, XawTextPosition left, Bool force, - XawTextPosition *pos, int num_pos) -{ - char *ptr = NULL; - Bool freepos = False, undo, paragraph = pos != NULL; - int i, result; - XawTextBlock block, *text; - XawTextPosition end = ctx->text.lastPos, buf[32]; - TextSrcObject src = (TextSrcObject)ctx->text.source; - XawTextPosition right = SrcScan(ctx->text.source, left, XawstEOL, - XawsdRight, 1, False); - - undo = src->textSrc.enable_undo && src->textSrc.undo_state == False; - if (undo) { - if (!pos) { - num_pos = src->textSrc.num_text; - pos = XawStackAlloc(sizeof(XawTextPosition) * num_pos, buf); - for (i = 0; i < num_pos; i++) - pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos; - freepos = True; - } - else - freepos = False; - src->textSrc.undo_state = True; - block.ptr = NULL; - block.firstPos = left; - block.length = right - left; - text = █ - } - else - text = NULL; - - result = DoFormatText(ctx, left, force, 1, text, pos, num_pos, paragraph); - if (undo && result == XawEditDone && block.ptr) { - char *lbuf, *rbuf; - unsigned llen, rlen, size; - - ptr = lbuf = block.ptr; - llen = block.length; - rlen = llen + (ctx->text.lastPos - end); - - block.firstPos = 0; - block.format = _XawTextFormat(ctx); - - rbuf = _XawTextGetText(ctx, left, left + rlen); - - size = XawTextFormat(ctx, XawFmtWide) ? sizeof(wchar_t) : sizeof(char); - if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) { - block.ptr = lbuf; - block.length = llen; - _XawTextReplace(ctx, left, left + rlen, &block); - - src->textSrc.undo_state = False; - block.ptr = rbuf; - block.length = rlen; - _XawTextReplace(ctx, left, left + llen, &block); - } - else - src->textSrc.undo_state = False; - XtFree(rbuf); - } - if (undo) { - src->textSrc.undo_state = False; - if (freepos) { - for (i = 0; i < num_pos; i++) { - TextWidget tw = (TextWidget)src->textSrc.text[i]; - tw->text.insertPos = XawMin(XawMax(0, pos[i]), tw->text.lastPos); - } - XawStackFree(pos, buf); - } - if (ptr) - XtFree(ptr); - } - - return (result); -} - -static int -DoFormatText(TextWidget ctx, XawTextPosition left, Bool force, int level, - XawTextBlock *save, XawTextPosition *pos, int num_pos, - Bool paragraph) -{ - XawTextPosition right = SrcScan(ctx->text.source, left, XawstEOL, - XawsdRight, 1, False); - XawTextPosition position, tmp, ipos; - XawTextBlock block, text; - char buf[128]; - wchar_t *wptr; - int i, count, cpos; - Bool done, force2 = force, recurse = False; - - position = XawTextSourceRead(ctx->text.source, left, &block, right - left); - if (block.length == 0 || left >= right || - (level == 1 && ((XawTextFormat(ctx, XawFmt8Bit) && - block.ptr[0] != ' ' && - block.ptr[0] != '\t' && - !isalnum(*(unsigned char*)block.ptr)) || - (XawTextFormat(ctx, XawFmtWide) && - _Xaw_atowc(XawSP) != *(wchar_t*)block.ptr && - _Xaw_atowc(XawTAB) != *(wchar_t*)block.ptr && - !iswalnum(*(wchar_t*)block.ptr))))) - return (XawEditDone); - - if (level == 1 && !paragraph) { - tmp = ctx->text.lastPos; - if (Untabify(ctx, left, right, pos, num_pos, save) == False) - return (XawEditError); - right += ctx->text.lastPos - tmp; - position = XawTextSourceRead(ctx->text.source, left, &block, - right - left); - } - - text.firstPos = 0; - text.format = XawFmt8Bit; - - ipos = ctx->text.insertPos; - count = 0; - done = False; - while (!done) { - if (XawTextFormat(ctx, XawFmt8Bit)) { - for (i = 0; i < block.length; i++) - if (block.ptr[i] == ' ') - ++count; - else { - done = True; - break; - } - } - else { - wptr = (wchar_t*)block.ptr; - for (i = 0; i < block.length; i++) - if (wptr[i] == _Xaw_atowc(' ')) - ++count; - else { - done = True; - break; - } - } - tmp = position; - position = XawTextSourceRead(ctx->text.source, position, - &block, right - position); - if (tmp == position) - done = True; - } - position = left + count; - if (count < ctx->text.left_column) { - int bytes = ctx->text.left_column - count; - - text.ptr = XawStackAlloc(bytes, buf); - text.length = bytes; - for (i = 0; i < bytes; i++) - text.ptr[i] = ' '; - CHECK_SAVE(); - if (_XawTextReplace(ctx, left, left, &text)) { - XawStackFree(text.ptr, buf); - return (XawEditError); - } - XawStackFree(text.ptr, buf); - right += bytes; - if (num_pos) { - for (cpos = 0; cpos < num_pos; cpos++) - if (pos[cpos] >= left) - pos[cpos] += bytes; - } - if (ipos >= left) - ipos += bytes; - count += bytes; - } - - done = False; - if (!paragraph && level == 1 - && ipos <= right && ipos - left > ctx->text.right_column) { - XawTextPosition len = ctx->text.lastPos; - int skip = ctx->text.justify == XawjustifyRight - || ctx->text.justify == XawjustifyCenter ? - ctx->text.left_column : count; - - if (pos) - for (i = 0; i < num_pos; i++) - if (pos[i] == ipos) - break; - - StripSpaces(ctx, left + skip, right, pos, num_pos, save); - right += ctx->text.lastPos - len; - if (pos && i < num_pos) - ipos = pos[i]; - else - ipos = ctx->text.insertPos; - done = ipos - left > ctx->text.right_column; - count = skip + (count == skip + 1); - } - if ((paragraph || done) && right - left > ctx->text.right_column) { - position = tmp = right; - XawTextSourceRead(ctx->text.source, position - 1, &block, 1); - if (block.length && - ((XawTextFormat(ctx, XawFmt8Bit) && - block.ptr[0] == ' ') || - (XawTextFormat(ctx, XawFmtWide) && - _Xaw_atowc(XawSP) == *(wchar_t*)block.ptr))) - --position; - while (position - left > ctx->text.right_column) { - tmp = position; - position = SrcScan(ctx->text.source, position, - XawstWhiteSpace, XawsdLeft, 1, True); - } - if (position <= left + ctx->text.left_column) - position = tmp; - if (position > left && position - left > ctx->text.left_column - && position != right) { - text.ptr = "\n"; - text.length = 1; - CHECK_SAVE(); - if (_XawTextReplace(ctx, position, position + 1, &text)) - return (XawEditError); - right = position; - recurse = True; - force = True; - } - } - - if (force) { - if (ctx->text.justify == XawjustifyCenter) - count = ctx->text.right_column - (count - ctx->text.left_column); - else - count = ctx->text.right_column; - if (count > right - left) - count -= right - left; - else - count = 0; - } - else - count = 0; - if (count > 0) { - switch (ctx->text.justify) { - case XawjustifyLeft: - break; - case XawjustifyRight: - case XawjustifyCenter: - if (ctx->text.justify == XawjustifyCenter) { - int alnum = 0; - - if (!(count & 1)) { - XawTextSourceRead(ctx->text.source, right, &block, 1); - if ((XawTextFormat(ctx, XawFmt8Bit) - && isalnum(*(unsigned char*)block.ptr)) || - (XawTextFormat(ctx, XawFmtWide) - && iswalnum(*(wchar_t*)block.ptr))) - alnum = 1; - } - count = (count + alnum) >> 1; - } - text.ptr = XawStackAlloc(count, buf); - text.length = count; - for (i = 0; i < count; i++) - text.ptr[i] = ' '; - CHECK_SAVE(); - if (_XawTextReplace(ctx, left, left, &text)) { - XawStackFree(text.ptr, buf); - return (XawEditError); - } - XawStackFree(text.ptr, buf); - position += count; - right += count; - if (num_pos) { - for (cpos = 0; cpos < num_pos; cpos++) - if (pos[cpos] > left) - pos[cpos] += count; - } - else if (ipos > left) - ipos += count; - break; - case XawjustifyFull: - i = 0; - tmp = left; - /*CONSTCOND*/ - while (True) { - tmp = SrcScan(ctx->text.source, tmp, XawstWhiteSpace, - XawsdRight, 1, True); - if (tmp < right) - ++i; - else - break; - } - if (i) { - double inc, ii; - int bytes, steps; - - bytes = count; - inc = ii = (count + .5) / (double)i; - - steps = count; - text.ptr = XawStackAlloc(steps, buf); - for (i = 0; i < steps; i++) - text.ptr[i] = ' '; - tmp = left; - CHECK_SAVE(); - while (bytes) { - steps = 1; - while (inc + ii < 1) { - ++steps; - inc += ii; - } - tmp = SrcScan(ctx->text.source, tmp, XawstWhiteSpace, - XawsdRight, steps, True); - if (bytes > inc) - text.length = (int)inc; - else - text.length = bytes; - bytes -= text.length; - if (_XawTextReplace(ctx, tmp, tmp, &text)) { - XawStackFree(buf, text.ptr); - return (XawEditError); - } - if (num_pos) { - for (cpos = 0; cpos < num_pos; cpos++) - if (tmp <= pos[cpos]) - pos[cpos] += text.length; - } - else if (tmp <= ipos) - ipos += text.length; - inc -= (int)inc; - inc += ii; - } - position += count; - right += count; - XawStackFree(buf, text.ptr); - } - break; - } - } - - if (!num_pos) - ctx->text.insertPos = XawMin(ipos, ctx->text.lastPos); - - return (recurse ? DoFormatText(ctx, position + 1, - ctx->text.justify != XawjustifyFull - && (force2 || paragraph), - ++level, save, pos, num_pos, paragraph) - : XawEditDone); -} -#undef CHECK_SAVE - -/*ARGSUSED*/ -static void -Indent(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - TextSrcObject src = (TextSrcObject)ctx->text.source; - XawTextPosition from, to, tmp, end = 0, *pos, *posbuf[32]; - char buf[32]; - XawTextBlock text; - int i, spaces = MULT(ctx); - char *lbuf = NULL, *rbuf; - unsigned llen = 0, rlen, size; - Bool undo = src->textSrc.enable_undo && src->textSrc.undo_state == False; - Bool format = ctx->text.auto_fill - && ctx->text.left_column < ctx->text.right_column; - - text.firstPos = 0; - text.format = XawFmt8Bit; - text.ptr = ""; - - StartAction(ctx, event); - - pos = XawStackAlloc(sizeof(XawTextPosition) * src->textSrc.num_text, posbuf); - for (i = 0; i < src->textSrc.num_text; i++) - pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos; - - if (!GetBlockBoundaries(ctx, &from, &to)) { - EndAction(ctx); - XawStackFree(pos, posbuf); - return; - } - - if (undo) { - llen = to - from; - end = ctx->text.lastPos; - lbuf = _XawTextGetText(ctx, from, to); - src->textSrc.undo_state = True; - } - - tmp = ctx->text.lastPos; - if (!Untabify(ctx, from, to, pos, src->textSrc.num_text, NULL)) { - XBell(XtDisplay(ctx), 0); - EndAction(ctx); - XawStackFree(pos, posbuf); - if (undo) { - src->textSrc.undo_state = True; - XtFree(lbuf); - } - return; - } - to += ctx->text.lastPos - tmp; - - tmp = from; - - if (spaces > 0) { - text.ptr = XawStackAlloc(spaces, buf); - for (i = 0; i < spaces; i++) - text.ptr[i] = ' '; - - text.length = spaces; - while (tmp < to) { - _XawTextReplace(ctx, tmp, tmp, &text); - - for (i = 0; i < src->textSrc.num_text; i++) - if (tmp < pos[i]) - pos[i] += spaces; - - to += spaces; - tmp = SrcScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True); - } - XawStackFree(text.ptr, buf); - } - else { - int min = 32767; - - text.length = 0; - tmp = from; - - /* find the amount of spaces to cut */ - while (tmp < to) { - (void)BlankLine(w, tmp, &i); - if (i < min) - min = i; - tmp = SrcScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True); - } - spaces = XawMin(-spaces, min); - - /* cut the spaces */ - tmp = from; - while (tmp < to) { - _XawTextReplace(ctx, tmp, tmp + spaces, &text); - - for (i = 0; i < src->textSrc.num_text; i++) - if (tmp < pos[i]) { - if (tmp + spaces < pos[i]) - pos[i] -= spaces; - else - pos[i] = tmp; - } - - to -= spaces; - tmp = SrcScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True); - } - } - - if (!format) - Tabify(ctx, from, to, pos, src->textSrc.num_text, NULL); - - if (undo) { - rlen = llen + (ctx->text.lastPos - end); - rbuf = _XawTextGetText(ctx, from, from + rlen); - - text.format = _XawTextFormat(ctx); - size = XawTextFormat(ctx, XawFmtWide) ? sizeof(wchar_t) : sizeof(char); - if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) { - text.ptr = lbuf; - text.length = llen; - _XawTextReplace(ctx, from, from + rlen, &text); - - src->textSrc.undo_state = False; - text.ptr = rbuf; - text.length = rlen; - _XawTextReplace(ctx, from, from + llen, &text); - } - else - src->textSrc.undo_state = False; - XtFree(lbuf); - XtFree(rbuf); - } - - for (i = 0; i < src->textSrc.num_text; i++) { - TextWidget tw = (TextWidget)src->textSrc.text[i]; - - tw->text.insertPos = XawMin(XawMax(0, pos[i]), tw->text.lastPos); - } - XawStackFree(pos, posbuf); - ctx->text.showposition = True; - - EndAction(ctx); -} - -/*ARGSUSED*/ -static void -ToggleOverwrite(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - - ctx->text.overwrite = !ctx->text.overwrite; - - /* call information callback */ - _XawTextSetLineAndColumnNumber(ctx, True); -} -#endif /* OLDXAW */ - -/* - * Insertion Routines - */ -static int -InsertNewLineAndBackupInternal(TextWidget ctx) -{ - int count, error = XawEditDone, mult = MULT(ctx); -#ifndef OLDXAW - XawTextPosition position; -#endif - XawTextBlock text; - char buf[32]; - - if (mult < 0) { - ctx->text.mult = 1; - return (XawEditError); - } - - text.format = _XawTextFormat(ctx); - text.length = mult; - text.firstPos = 0; - - if (text.format == XawFmtWide) { - wchar_t *wptr; - - text.ptr = XawStackAlloc(sizeof(wchar_t) * mult, buf); - wptr = (wchar_t *)text.ptr; - for (count = 0; count < mult; count++) - wptr[count] = _Xaw_atowc(XawLF); - } - else { - text.ptr = XawStackAlloc(sizeof(char) * mult, buf); - for (count = 0; count < mult; count++) - text.ptr[count] = XawLF; - } - -#ifndef OLDXAW - position = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstEOL, XawsdLeft, 1, False); -#endif - if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) { - XBell( XtDisplay(ctx), 50); - error = XawEditError; - } - else { - ctx->text.showposition = TRUE; - ctx->text.insertPos += text.length; - } - - XawStackFree(text.ptr, buf); - -#ifndef OLDXAW - if (ctx->text.auto_fill && error == XawEditDone) - (void)FormatText(ctx, position, ctx->text.justify != XawjustifyFull, - NULL, 0); -#endif - - return (error); -} - -/*ARGSUSED*/ -static void -InsertNewLineAndBackup(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition insertPos = ctx->text.insertPos; - - StartAction((TextWidget)w, event); - (void)InsertNewLineAndBackupInternal(ctx); - ctx->text.insertPos = SrcScan(ctx->text.source, insertPos, XawstEOL, - XawsdRight, 1, False); - EndAction((TextWidget)w); -} - -static int -LocalInsertNewLine(TextWidget ctx, XEvent *event) -{ - int error; - - StartAction(ctx, event); - error = InsertNewLineAndBackupInternal(ctx); - ctx->text.from_left = -1; - EndAction(ctx); - - return (error); -} - -/*ARGSUSED*/ -static void -InsertNewLine(Widget w, XEvent *event, String *p, Cardinal *n) -{ - (void)LocalInsertNewLine((TextWidget)w, event); -} - -/*ARGSUSED*/ -static void -InsertNewLineAndIndent(Widget w, XEvent *event, String *p, Cardinal *n) -{ - XawTextBlock text; - XawTextPosition pos1; - int length; - TextWidget ctx = (TextWidget)w; - String line_to_ip; - - StartAction(ctx, event); - pos1 = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstEOL, XawsdLeft, 1, False); - - line_to_ip = _XawTextGetText(ctx, pos1, ctx->text.insertPos); - - text.format = _XawTextFormat(ctx); - text.firstPos = 0; - - if (text.format == XawFmtWide) { - wchar_t *ptr; - - text.ptr = XtMalloc((2 + wcslen((wchar_t*)line_to_ip)) - * sizeof(wchar_t)); - ptr = (wchar_t*)text.ptr; - ptr[0] = _Xaw_atowc(XawLF); - wcscpy((wchar_t*)++ptr, (wchar_t*)line_to_ip); - - length = wcslen((wchar_t*)text.ptr); - while (length && (iswspace(*ptr) || *ptr == _Xaw_atowc(XawTAB))) - ptr++, length--; - *ptr = (wchar_t)0; - text.length = wcslen((wchar_t*)text.ptr); - } - else { - char *ptr; - - length = strlen(line_to_ip); - text.ptr = XtMalloc((2 + length) * sizeof(char)); - ptr = text.ptr; - ptr[0] = XawLF; - strcpy(++ptr, line_to_ip); - - length++; - while (length && (isspace(*ptr) || (*ptr == XawTAB))) - ptr++, length--; - *ptr = '\0'; - text.length = strlen(text.ptr); - } - XtFree(line_to_ip); - - if (_XawTextReplace(ctx,ctx->text.insertPos, ctx->text.insertPos, &text)) { - XBell(XtDisplay(ctx), 50); - XtFree(text.ptr); - EndAction(ctx); - return; - } - - XtFree(text.ptr); - ctx->text.from_left = -1; - ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert, - XawstPositions, XawsdRight, text.length, True); - EndAction(ctx); -} - -/* - * Selection Routines - */ -static void -SelectWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition l, r; - - StartAction(ctx, event); - l = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstWhiteSpace, XawsdLeft, 1, False); - r = SrcScan(ctx->text.source, l, XawstWhiteSpace, XawsdRight, 1, False); - _XawTextSetSelection(ctx, l, r, params, *num_params); - EndAction(ctx); -} - -static void -SelectAll(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - - StartAction(ctx, event); - _XawTextSetSelection(ctx,zeroPosition,ctx->text.lastPos,params,*num_params); - EndAction(ctx); -} - -static void -ModifySelection(TextWidget ctx, XEvent *event, - XawTextSelectionMode mode, - XawTextSelectionAction action, - String *params, Cardinal *num_params) -{ -#ifndef OLDXAW - int old_y = ctx->text.ev_y; -#endif - - StartAction(ctx, event); - NotePosition(ctx, event); - -#ifndef OLDXAW - if (event->type == MotionNotify) { - if (ctx->text.ev_y <= ctx->text.margin.top) { - if (old_y >= ctx->text.ev_y) - XawTextScroll(ctx, -1, 0); - } - else if (ctx->text.ev_y >= XtHeight(ctx) - ctx->text.margin.bottom) { - if (old_y <= ctx->text.ev_y - && !IsPositionVisible(ctx, ctx->text.lastPos)) - XawTextScroll(ctx, 1, 0); - } - } -#endif - ctx->text.from_left = -1; - _XawTextAlterSelection(ctx, mode, action, params, num_params); - - EndAction(ctx); -} - -static void -SelectStart(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - -#ifndef OLDXAW - if (!ctx->text.selection_state) { - ctx->text.selection_state = True; -#endif - ModifySelection(ctx, event, - XawsmTextSelect, XawactionStart, params, num_params); -#ifndef OLDXAW - } -#endif -} - -static void -SelectAdjust(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - -#ifndef OLDXAW - if (ctx->text.selection_state) -#endif - ModifySelection(ctx, event, - XawsmTextSelect, XawactionAdjust, params, num_params); -} - -static void -SelectEnd(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - -#ifndef OLDXAW - if (ctx->text.selection_state) { - ctx->text.selection_state = False; -#endif - ModifySelection(ctx, event, - XawsmTextSelect, XawactionEnd, params, num_params); -#ifndef OLDXAW - } -#endif -} - -static void -ExtendStart(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - -#ifndef OLDXAW - if (!ctx->text.selection_state) { - ctx->text.selection_state = True; -#endif - ModifySelection(ctx, event, - XawsmTextExtend, XawactionStart, params, num_params); -#ifndef OLDXAW - } -#endif -} - -static void -ExtendAdjust(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - -#ifndef OLDXAW - if (ctx->text.selection_state) -#endif - ModifySelection(ctx, event, - XawsmTextExtend, XawactionAdjust, params, num_params); -} - -static void -ExtendEnd(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - -#ifndef OLDXAW - if (ctx->text.selection_state) { - ctx->text.selection_state = False; -#endif - ModifySelection(ctx, event, - XawsmTextExtend, XawactionEnd, params, num_params); -#ifndef OLDXAW - } -#endif -} - -static void -SelectSave(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - int num_atoms; - Atom *sel; - Display *dpy = XtDisplay(w); - Atom selections[256]; - - StartAction((TextWidget)w, event); - num_atoms = *num_params; - if (num_atoms > 256) - num_atoms = 256; - for (sel=selections; --num_atoms >= 0; sel++, params++) - *sel = XInternAtom(dpy, *params, False); - num_atoms = *num_params; - _XawTextSaltAwaySelection((TextWidget)w, selections, num_atoms); - EndAction((TextWidget)w); -} - -/* - * Misc. Routines - */ -/*ARGSUSED*/ -static void -SetKeyboardFocus(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - Widget shell, parent; - - shell = parent = w; - while (parent) { - if (XtIsShell(shell = parent)) - break; - parent = XtParent(parent); - } - XtSetKeyboardFocus(shell, w); -} - -/*ARGSUSED*/ -static void -RedrawDisplay(Widget w, XEvent *event, String *p, Cardinal *n) -{ - StartAction((TextWidget)w, event); - _XawTextClearAndCenterDisplay((TextWidget)w); - EndAction((TextWidget)w); -} - -/* This is kind of a hack, but, only one text widget can have focus at - * a time on one display. There is a problem in the implementation of the - * text widget, the scrollbars can not be adressed via editres, since they - * are not children of a subclass of composite. - * The focus variable is required to make sure only one text window will - * show a block cursor at one time. - */ -struct _focus { Display *display; Widget widget; }; -static struct _focus *focus; -static Cardinal num_focus; - -/*ARGSUSED*/ -static void -DestroyFocusCallback(Widget w, XtPointer user_data, XtPointer call_data) -{ - struct _focus *f = (struct _focus*)(user_data); - - if (f->widget == w) - f->widget = NULL; -} - -/*ARGSUSED*/ -static void -TextFocusIn(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - Bool display_caret = ctx->text.display_caret; - int i; - - if (event->xfocus.detail == NotifyPointer) - return; - - if (event->xfocus.send_event) { - Window root, child; - int rootx, rooty, x, y; - unsigned int mask; - - if (ctx->text.hasfocus) - return; - - if (XQueryPointer(XtDisplay(w), XtWindow(w), &root, &child, - &rootx, &rooty, &x, &y, &mask)) { - if (child) - return; - } - } - - /* Let the input method know focus has arrived. */ - _XawImSetFocusValues(w, NULL, 0); - - if (display_caret) - StartAction(ctx, event); - ctx->text.hasfocus = TRUE; - if (display_caret) - EndAction(ctx); - - for (i = 0; i < num_focus; i++) - if (focus[i].display == XtDisplay(w)) - break; - if (i >= num_focus) { - focus = (struct _focus*) - XtRealloc((XtPointer)focus, sizeof(struct _focus) * (num_focus + 1)); - i = num_focus; - focus[i].widget = NULL; - focus[i].display = XtDisplay(w); - num_focus++; - } - if (focus[i].widget != w) { - Widget old = focus[i].widget; - - focus[i].widget = w; - if (old != NULL) { - TextFocusOut(old, event, p, n); - /* TextFocusOut may set it to NULL */ - focus[i].widget = w; - } - XtAddCallback(w, XtNdestroyCallback, - DestroyFocusCallback, (XtPointer)&focus[i]); - } -} - -/*ARGSUSED*/ -static void -TextFocusOut(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - Bool display_caret = ctx->text.display_caret; - Widget shell; - Window window; - int i, revert; - - shell = w; - while (shell) { - if (XtIsShell(shell)) - break; - shell = XtParent(shell); - } - - for (i = 0; i < num_focus; i++) - if (focus[i].display == XtDisplay(w)) - break; - XGetInputFocus(XtDisplay(w), &window, &revert); - if ((XtWindow(shell) == window && - (i < num_focus && focus[i].widget == w)) - || event->xfocus.detail == NotifyPointer) - return; - - if (i < num_focus && focus[i].widget) { - XtRemoveCallback(focus[i].widget, XtNdestroyCallback, - DestroyFocusCallback, (XtPointer)&focus[i]); - focus[i].widget = NULL; - } - - /* Let the input method know focus has left.*/ - _XawImUnsetFocus(w); - - if (display_caret) - StartAction(ctx, event); - ctx->text.hasfocus = FALSE; - if (display_caret) - EndAction(ctx); -} - -/*ARGSUSED*/ -static void -TextEnterWindow(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - - if ((event->xcrossing.detail != NotifyInferior) && event->xcrossing.focus - && !ctx->text.hasfocus) - _XawImSetFocusValues(w, NULL, 0); -} - -/*ARGSUSED*/ -static void -TextLeaveWindow(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - - if ((event->xcrossing.detail != NotifyInferior) && event->xcrossing.focus - && !ctx->text.hasfocus) - _XawImUnsetFocus(w); -} - -/* - * Function: - * AutoFill - * Arguments: ctx - The text widget. - * - * Description: - * Breaks the line at the previous word boundry when - * called inside InsertChar. - */ -static void -AutoFill(TextWidget ctx) -{ - int width, height, x, line_num, max_width; - XawTextPosition ret_pos; - XawTextBlock text; - XRectangle cursor; - wchar_t wc_buf[2]; - - for (line_num = 0; line_num < ctx->text.lt.lines ; line_num++) - if (ctx->text.lt.info[line_num].position >= ctx->text.insertPos) - break; - if (line_num) - line_num--; /* backup a line. */ - - XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); - max_width = Max(0, (int)XtWidth(ctx) - RHMargins(ctx) - cursor.width); - - x = ctx->text.r_margin.left; - XawTextSinkFindPosition(ctx->text.sink, ctx->text.lt.info[line_num].position, - x, max_width, True, &ret_pos, - &width, &height); - - if (ret_pos <= ctx->text.lt.info[line_num].position - || ret_pos >= ctx->text.insertPos || ret_pos < 1) - return; - - XawTextSourceRead(ctx->text.source, ret_pos - 1, &text, 1); - - if (XawTextFormat(ctx, XawFmtWide)) { - wc_buf[0] = *(wchar_t *)text.ptr; - if (wc_buf[0] != _Xaw_atowc(XawSP) && wc_buf[0] != _Xaw_atowc(XawTAB)) - /* Only eats white spaces */ - return; - - text.format = XawFmtWide; - text.ptr = (char *)wc_buf; - wc_buf[0] = _Xaw_atowc(XawLF); - wc_buf[1] = 0; - } - else { - if (text.ptr[0] != XawSP && text.ptr[0] != XawTAB) - /* Only eats white spaces */ - return; - - text.format = XawFmt8Bit; - text.ptr = "\n"; - } - text.length = 1; - text.firstPos = 0; - - if (_XawTextReplace(ctx, ret_pos - 1, ret_pos, &text)) - XBell(XtDisplay((Widget)ctx), 0); - - if (++ctx->text.insertPos > ctx->text.lastPos) - ctx->text.insertPos = ctx->text.lastPos; -} - -/*ARGSUSED*/ -static void -InsertChar(Widget w, XEvent *event, String *p, Cardinal *n) -{ - TextWidget ctx = (TextWidget)w; - char *ptr, strbuf[128], ptrbuf[512]; - int count, error, mult = MULT(ctx); - KeySym keysym; - XawTextBlock text; -#ifndef OLDXAW - Bool format = False; -#endif - XawTextPosition from, to; - - if (XtIsSubclass (ctx->text.source, (WidgetClass) multiSrcObjectClass)) - text.length = _XawImWcLookupString(w, &event->xkey, (wchar_t*)strbuf, - sizeof(strbuf), &keysym); - else - text.length = _XawLookupString(w, (XKeyEvent*)event, strbuf, - sizeof(strbuf), &keysym); - - if (text.length == 0) - return; - - if (mult < 0) { - ctx->text.mult = 1; - return; - } - - text.format = _XawTextFormat(ctx); - if (text.format == XawFmtWide) { - text.ptr = ptr = XawStackAlloc(sizeof(wchar_t) * text.length - * mult, ptrbuf); - for (count = 0; count < mult; count++) { - memcpy((char*)ptr, (char *)strbuf, sizeof(wchar_t) * text.length); - ptr += sizeof(wchar_t) * text.length; - } -#ifndef OLDXAW - if (mult == 1) - format = ctx->text.left_column < ctx->text.right_column; -#endif - } - else { /* == XawFmt8Bit */ - text.ptr = ptr = XawStackAlloc(text.length * mult, ptrbuf); - for (count = 0; count < mult; count++) { - strncpy(ptr, strbuf, text.length); - ptr += text.length; - } -#ifndef OLDXAW - if (mult == 1) - format = ctx->text.left_column < ctx->text.right_column; -#endif - } - - text.length = text.length * mult; - text.firstPos = 0; - - StartAction(ctx, event); -#ifndef OLDXAW - if (mult == 1) - _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True); -#endif - - from = ctx->text.insertPos; -#ifndef OLDXAW - if (ctx->text.overwrite) { - XawTextPosition tmp; - - to = from + mult; - tmp = SrcScan(ctx->text.source, from, XawstEOL, XawsdRight, 1, False); - if (to > tmp) - to = tmp; - } - else -#endif - to = from; - - error = _XawTextReplace(ctx, from , to, &text); - - if (error == XawEditDone) { - ctx->text.from_left = -1; - ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert, - XawstPositions, XawsdRight, - text.length, True); - if (ctx->text.auto_fill) { -#ifndef OLDXAW - if (format) - (void)FormatText(ctx, SrcScan(ctx->text.source, - ctx->text.insertPos, XawstEOL, - XawsdLeft, 1, False), False, - NULL, 0); - else -#endif - AutoFill(ctx); - } - } - else - XBell(XtDisplay(ctx), 50); - - XawStackFree(text.ptr, ptrbuf); - EndAction(ctx); - - if (error == XawEditDone && text.format == XawFmt8Bit && text.length == 1 - && (text.ptr[0] == ')' || text.ptr[0] == ']' || text.ptr[0] == '}') - && ctx->text.display_caret) { - static struct timeval tmval = {0, 500000}; - fd_set fds; - Widget source = ctx->text.source; - XawTextPosition insertPos = ctx->text.insertPos, pos, tmp, last; - char left, right = text.ptr[0]; - int level = 0; - XtAppContext app_context = XtWidgetToApplicationContext(w); - - left = right == ')' ? '(' : right == ']' ? '[' : '{'; - - last = insertPos - 1; - do { - text.ptr[0] = left; - pos = XawTextSourceSearch(source, last, XawsdLeft, &text); - if (pos == XawTextSearchError || !IsPositionVisible(ctx, pos)) - return; - text.ptr[0] = right; - tmp = pos; - do { - tmp = XawTextSourceSearch(source, tmp, XawsdRight, &text); - if (tmp == XawTextSearchError) - return; - if (tmp <= last) - ++level; - } while (++tmp <= last); - --level; - last = pos; - } while (level); - - StartAction(ctx, NULL); -#ifndef OLDXAW - _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True); -#endif - ctx->text.insertPos = pos; - EndAction(ctx); - - XSync(XtDisplay(w), False); - while (XtAppPending(app_context) & XtIMXEvent) { - XEvent ev; - if (! XtAppPeekEvent(app_context, &ev)) - break; - if (ev.type == KeyPress || ev.type == ButtonPress) - break; - XtAppProcessEvent(app_context, XtIMXEvent); - } - FD_ZERO(&fds); - FD_SET(ConnectionNumber(XtDisplay(w)), &fds); - (void)select(FD_SETSIZE, &fds, NULL, NULL, &tmval); - if (tmval.tv_usec != 500000) - usleep(40000); - - StartAction(ctx, NULL); -#ifndef OLDXAW - _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True); -#endif - ctx->text.insertPos = insertPos; - EndAction(ctx); - } -} - -/* IfHexConvertHexElseReturnParam() - called by InsertString - * - * i18n requires the ability to specify multiple characters in a hexa- - * decimal string at once. Since Insert was already too long, I made - * this a seperate routine. - * - * A legal hex string in MBNF: '0' 'x' ( HEX-DIGIT HEX-DIGIT )+ '\0' - * - * WHEN: the passed param is a legal hex string - * RETURNS: a pointer to that converted, null terminated hex string; - * len_return holds the character count of conversion result - * - * WHEN: the passed param is not a legal hex string: - * RETURNS: the parameter passed; - * len_return holds the char count of param. - * - * NOTE: In neither case will there be strings to free. */ -static char * -IfHexConvertHexElseReturnParam(char *param, int *len_return) -{ - char *p; /* steps through param char by char */ - char c; /* holds the character pointed to by p */ - int ind; /* steps through hexval buffer char by char */ - static char hexval[XawTextActionMaxHexChars]; - Boolean first_digit; - - /* reject if it doesn't begin with 0x and at least one more character. */ - if ((param[0] != '0') || (param[1] != 'x') || (param[2] == '\0')) { - *len_return = strlen(param); - return(param); - } - - /* Skip the 0x; go character by character shifting and adding. */ - first_digit = True; - ind = 0; - hexval[ind] = '\0'; - - for (p = param+2; (c = *p) != '\0'; p++) { - hexval[ind] *= 16; - if (c >= '0' && c <= '9') - hexval[ind] += c - '0'; - else if (c >= 'a' && c <= 'f') - hexval[ind] += c - 'a' + 10; - else if (c >= 'A' && c <= 'F') - hexval[ind] += c - 'A' + 10; - else - break; - - /* If we didn't break in preceding line, it was a good hex char. */ - if (first_digit) - first_digit = False; - else { - first_digit = True; - if (++ind < XawTextActionMaxHexChars) - hexval[ind] = '\0'; - else { - *len_return = strlen(param); - return(param); - } - } - } - - /* We quit the above loop becasue we hit a non hex. If that char is \0... */ - if ((c == '\0') && first_digit) { - *len_return = strlen(hexval); - return (hexval); /* ...it was a legal hex string, so return it */ - } - - /* Else, there were non-hex chars or odd digit count, so... */ - - *len_return = strlen(param); - return (param); /* ...return the verbatim string. */ -} - -/* InsertString() - action - * - * Mostly rewritten for R6 i18n. - * - * Each parameter, in turn, will be insert at the inputPos - * and the inputPos advances to the insertion's end. - * - * The exception is that parameters composed of the two - * characters 0x, followed only by an even number of - * hexadecimal digits will be converted to characters */ -/*ARGSUSED*/ -static void -InsertString(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - XtAppContext app_con = XtWidgetToApplicationContext(w); - XawTextBlock text; - int i; - - text.firstPos = 0; - text.format = _XawTextFormat(ctx); - - StartAction(ctx, event); - for (i = *num_params; i; i--, params++) { /* DO FOR EACH PARAMETER */ - text.ptr = IfHexConvertHexElseReturnParam(*params, &text.length); - - if (text.length == 0) - continue; - - if (XawTextFormat(ctx, XawFmtWide)) { /* convert to WC */ - int temp_len; - - text.ptr = (char*)_XawTextMBToWC(XtDisplay(w), text.ptr, - &text.length); - - if (text.ptr == NULL) { /* conversion error */ - XtAppWarningMsg(app_con, - "insertString", "textAction", "XawError", - "insert-string()'s parameter contents " - "not legal in this locale.", - NULL, NULL); - ParameterError(w, *params); - continue; - } - - /* Double check that the new input is legal: try to convert to MB. */ - - temp_len = text.length; /* _XawTextWCToMB's 3rd arg is in_out */ - if (_XawTextWCToMB(XtDisplay(w), (wchar_t*)text.ptr, &temp_len) - == NULL) { - XtAppWarningMsg( app_con, - "insertString", "textAction", "XawError", - "insert-string()'s parameter contents " - "not legal in this locale.", - NULL, NULL); - ParameterError(w, *params); - continue; - } - } /* convert to WC */ - - if (_XawTextReplace(ctx, ctx->text.insertPos, - ctx->text.insertPos, &text)) { - XBell(XtDisplay(ctx), 50); - EndAction(ctx); - return; - } - - ctx->text.from_left = -1; - /* Advance insertPos to the end of the string we just inserted. */ - ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert, - XawstPositions, XawsdRight, text.length, - True); - - } /* DO FOR EACH PARAMETER */ - - EndAction(ctx); -} - -/* DisplayCaret() - action - * - * The parameter list should contain one boolean value. If the - * argument is true, the cursor will be displayed. If false, not. - * - * The exception is that EnterNotify and LeaveNotify events may - * have a second argument, "always". If they do not, the cursor - * is only affected if the focus member of the event is true. */ -static void -DisplayCaret(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - Bool display_caret = True; - - if ((event->type == EnterNotify || event->type == LeaveNotify) - && ((*num_params >= 2) && (strcmp(params[1], "always") == 0)) - && (!event->xcrossing.focus)) - return; - - if (*num_params > 0) { /* default arg is "True" */ - XrmValue from, to; - from.size = strlen(from.addr = params[0]); - XtConvert(w, XtRString, &from, XtRBoolean, &to); - - if (to.addr != NULL) - display_caret = *(Boolean*)to.addr; - if (ctx->text.display_caret == display_caret) - return; - } - StartAction(ctx, event); - ctx->text.display_caret = display_caret; - EndAction(ctx); -} - -#ifndef OLDXAW -static void -Numeric(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - - if (ctx->text.numeric) { - long mult = ctx->text.mult; - - if (*num_params != 1 || strlen(params[0]) != 1 - || (!isdigit(params[0][0]) - && (params[0][0] != '-' || mult != 0))) { - char err_buf[256]; - - if (event && (event->type == KeyPress || event->type == KeyRelease) - && params[0][0] == '-') { - InsertChar(w, event, params, num_params); - return; - } - XmuSnprintf(err_buf, sizeof(err_buf), - "numeric: Invalid argument%s'%s'", - *num_params ? ", " : "", *num_params ? params[0] : ""); - XtAppWarning(XtWidgetToApplicationContext(w), err_buf); - ctx->text.numeric = False; - ctx->text.mult = 1; - return; - } - if (params[0][0] == '-') { - ctx->text.mult = 32767; - return; - } - else if (mult == 32767) { - mult = ctx->text.mult = - (params[0][0] - '0'); - return; - } - else { - mult = mult * 10 + (params[0][0] - '0') * (mult < 0 ? -1 : 1); - ctx->text.mult = ctx->text.mult * 10 + (params[0][0] - '0') * - (mult < 0 ? -1 : 1); - } - if (mult != ctx->text.mult || mult >= 32767) { /* checks for overflow */ - XBell(XtDisplay(w), 0); - ctx->text.mult = 1; - ctx->text.numeric = False; - return; - } - } - else - InsertChar(w, event, params, num_params); -} - -/*ARGSUSED*/ -static void -KeyboardReset(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - - ctx->text.numeric = False; - ctx->text.mult = 1; - - (void)_XawTextSrcToggleUndo((TextSrcObject)ctx->text.source); - - if (ctx->text.kill_ring_ptr) { - --ctx->text.kill_ring_ptr->refcount; - ctx->text.kill_ring_ptr = NULL; - } - ctx->text.kill_ring = 0; - - XBell(XtDisplay(w), 0); -} -#endif /* OLDXAW */ - -/* Multiply() - action - * - * The parameter list may contain either a number or the string 'Reset'. - * - * A number will multiply the current multiplication factor by that number. - * Many of the text widget actions will will perform n actions, where n is - * the multiplication factor. - * - * The string reset will reset the mutiplication factor to 1. */ -/*ARGSUSED*/ -static void -Multiply(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - int mult; - - if (*num_params != 1) { - XtAppError(XtWidgetToApplicationContext(w), - "Xaw Text Widget: multiply() takes exactly one argument."); - XBell(XtDisplay(w), 0); - return; - } - - if ((params[0][0] == 'r') || (params[0][0] == 'R')) { - XBell(XtDisplay(w), 0); -#ifndef OLDXAW - ctx->text.numeric = False; -#endif - ctx->text.mult = 1; - return; - } - -#ifndef OLDXAW - if (params[0][0] == 's' || params[0][0] == 'S') { - ctx->text.numeric = True; - ctx->text.mult = 0; - return; - } - else -#endif - if ((mult = atoi(params[0])) == 0) { - char buf[BUFSIZ]; - - XmuSnprintf(buf, sizeof(buf), - "%s %s", "Xaw Text Widget: multiply() argument", - "must be a number greater than zero, or 'Reset'."); - XtAppError(XtWidgetToApplicationContext(w), buf); - XBell(XtDisplay(w), 50); - return; - } - - ctx->text.mult *= mult; -} - -/* StripOutOldCRs() - called from FormRegion - * - * removes CRs in widget ctx, from from to to. - * - * RETURNS: the new ending location (we may add some characters), - * or XawReplaceError if the widget can't be written to. */ -static XawTextPosition -StripOutOldCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to, - XawTextPosition *pos, int num_pos) -{ - XawTextPosition startPos, endPos, eop_begin, eop_end, temp; - Widget src = ctx->text.source; - XawTextBlock text; - char *buf; - static wchar_t wc_two_spaces[3]; - int idx; - - /* Initialize our TextBlock with two spaces. */ - text.firstPos = 0; - text.format = _XawTextFormat(ctx); - if (text.format == XawFmt8Bit) - text.ptr= " "; - else { - wc_two_spaces[0] = _Xaw_atowc(XawSP); - wc_two_spaces[1] = _Xaw_atowc(XawSP); - wc_two_spaces[2] = 0; - text.ptr = (char*)wc_two_spaces; - } - - /* Strip out CR's. */ - eop_begin = eop_end = startPos = endPos = from; - - /* CONSTCOND */ - while (TRUE) { - endPos=SrcScan(src, startPos, XawstEOL, XawsdRight, 1, False); - - temp = SrcScan(src, endPos, XawstWhiteSpace, XawsdLeft, 1, False); - temp = SrcScan(src, temp, XawstWhiteSpace, XawsdRight,1, False); - - if (temp > startPos) - endPos = temp; - - if (endPos >= to) - break; - - if (endPos >= eop_begin) { - startPos = eop_end; - eop_begin=SrcScan(src, startPos, XawstParagraph, - XawsdRight, 1,False); - eop_end = SrcScan(src, startPos, XawstParagraph, - XawsdRight, 1, True); - } - else { - XawTextPosition periodPos, next_word; - int i, len; - - periodPos = SrcScan(src, endPos, XawstPositions, - XawsdLeft, 1, True); - next_word = SrcScan(src, endPos, XawstWhiteSpace, - XawsdRight, 1, False); - - len = next_word - periodPos; - - text.length = 1; - buf = _XawTextGetText(ctx, periodPos, next_word); - if (text.format == XawFmtWide) { - if (periodPos < endPos && ((wchar_t*)buf)[0] == _Xaw_atowc('.')) - text.length++; - } - else - if (periodPos < endPos && buf[0] == '.') - text.length++; /* Put in two spaces. */ - - /* - * Remove all extra spaces. - */ - for (i = 1 ; i < len; i++) - if (text.format == XawFmtWide) { - if (!iswspace(((wchar_t*)buf)[i]) || ((periodPos + i) >= to)) - break; - } - else if (!isspace(buf[i]) || (periodPos + i) >= to) - break; - - XtFree(buf); - - to -= (i - text.length - 1); - startPos = SrcScan(src, periodPos, XawstPositions, - XawsdRight, i, True); - if (_XawTextReplace(ctx, endPos, startPos, &text) != XawEditDone) - return (XawReplaceError); - - for (idx = 0; idx < num_pos; idx++) { - if (endPos < pos[idx]) { - if (startPos < pos[idx]) - pos[idx] -= startPos - endPos; - else - pos[idx] = endPos; - pos[idx] += text.length; - } - } - - startPos -= i - text.length; - } - } - - return (to); -} - -/* InsertNewCRs() - called from FormRegion - * - * inserts new CRs for FormRegion, thus for FormParagraph action */ -static void -InsertNewCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to, - XawTextPosition *pos, int num_pos) -{ - XawTextPosition startPos, endPos, space, eol; - XawTextBlock text; - int i, width, height, len, wwidth, idx; - char *buf; - static wchar_t wide_CR[2]; - - text.firstPos = 0; - text.length = 1; - text.format = _XawTextFormat(ctx); - - if (text.format == XawFmt8Bit) - text.ptr = "\n"; - else { - wide_CR[0] = _Xaw_atowc(XawLF); - wide_CR[1] = 0; - text.ptr = (char*)wide_CR; - } - - startPos = from; - - wwidth = (int)XtWidth(ctx) - (int)HMargins(ctx); - if (ctx->text.wrap != XawtextWrapNever) { - XRectangle cursor; - - XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); - wwidth -= (int)cursor.width; - } - wwidth = XawMax(0, wwidth); - - /* CONSTCOND */ - while (TRUE) { - XawTextSinkFindPosition(ctx->text.sink, startPos, - (int)ctx->text.r_margin.left, wwidth, - True, &eol, &width, &height); - if (eol == startPos) - ++eol; - if (eol >= to) - break; - - eol = SrcScan(ctx->text.source, eol, XawstPositions, - XawsdLeft, 1, True); - space = SrcScan(ctx->text.source, eol, XawstWhiteSpace, - XawsdRight,1, True); - - startPos = endPos = eol; - if (eol == space) - return; - - len = (int)(space - eol); - buf = _XawTextGetText(ctx, eol, space); - for (i = 0 ; i < len ; i++) - if (text.format == XawFmtWide) { - if (!iswspace(((wchar_t*)buf)[i])) - break; - } - else if (!isspace(buf[i])) - break; - - to -= (i - 1); - endPos = SrcScan(ctx->text.source, endPos, - XawstPositions, XawsdRight, i, True); - XtFree(buf); - - if (_XawTextReplace(ctx, startPos, endPos, &text)) - return; - - for (idx = 0; idx < num_pos; idx++) { - if (startPos < pos[idx]) { - if (endPos < pos[idx]) - pos[idx] -= endPos - startPos; - else - pos[idx] = startPos; - pos[idx] += text.length; - } - } - - startPos = SrcScan(ctx->text.source, startPos, - XawstPositions, XawsdRight, 1, True); - } -} - -/* FormRegion() - called by FormParagraph - * - * oversees the work of paragraph-forming a region - * - * Return: - * XawEditDone if successful, or XawReplaceError - */ -static int -FormRegion(TextWidget ctx, XawTextPosition from, XawTextPosition to, - XawTextPosition *pos, int num_pos) -{ -#ifndef OLDXAW - Bool format = ctx->text.auto_fill - && ctx->text.left_column < ctx->text.right_column; -#endif - - if (from >= to) - return (XawEditDone); - -#ifndef OLDXAW - if (format) { - XawTextPosition len = ctx->text.lastPos; - int inc = 0; - - if (ctx->text.justify == XawjustifyLeft || - ctx->text.justify == XawjustifyFull) { - Untabify(ctx, from, to, pos, num_pos, NULL); - to += ctx->text.lastPos - len; - len = ctx->text.insertPos; - (void)BlankLine((Widget)ctx, from, &inc); - if (from + inc >= to) - return (XawEditDone); - } - if (!StripSpaces(ctx, from + inc, to, pos, num_pos, NULL)) - return (XawReplaceError); - to += ctx->text.lastPos - len; - - FormatText(ctx, from, ctx->text.justify != XawjustifyFull, pos, num_pos); - } - else { -#endif - if ((to = StripOutOldCRs(ctx, from, to, pos, num_pos)) == XawReplaceError) - return (XawReplaceError); - InsertNewCRs(ctx, from, to, pos, num_pos); -#ifndef OLDXAW - } -#endif - ctx->text.from_left = -1; - - return (XawEditDone); -} - -#ifndef OLDXAW -static Bool -BlankLine(Widget w, XawTextPosition pos, int *blanks_return) -{ - int i, blanks = 0; - XawTextBlock block; - Widget src = XawTextGetSource(w); - XawTextPosition l = SrcScan(src, pos, XawstEOL, XawsdLeft, 1, False); - XawTextPosition r = SrcScan(src, pos, XawstEOL, XawsdRight, 1, False); - - while (l < r) { - l = XawTextSourceRead(src, l, &block, r - l); - if (block.length == 0) { - if (blanks_return) - *blanks_return = blanks; - return (True); - } - if (XawTextFormat((TextWidget)w, XawFmt8Bit)) { - for (i = 0; i < block.length; i++, blanks++) - if (block.ptr[i] != ' ' && - block.ptr[i] != '\t') { - if (blanks_return) - *blanks_return = blanks; - return (block.ptr[i] == '\n'); - } - } - else if (XawTextFormat((TextWidget)w, XawFmtWide)) { - for (i = 0; i < block.length; i++, blanks++) - if (_Xaw_atowc(XawSP) != ((wchar_t*)block.ptr)[i] && - _Xaw_atowc(XawTAB) != ((wchar_t*)block.ptr)[i]) { - if (blanks_return) - *blanks_return = blanks; - return (_Xaw_atowc(XawLF) == ((wchar_t*)block.ptr)[i]); - } - } - } - - return (True); -} - -static Bool -GetBlockBoundaries(TextWidget ctx, - XawTextPosition *from_return, XawTextPosition *to_return) -{ - XawTextPosition from, to; - - if (ctx->text.auto_fill && ctx->text.left_column < ctx->text.right_column) { - if (ctx->text.s.left != ctx->text.s.right) { - from = SrcScan(ctx->text.source, - XawMin(ctx->text.s.left, ctx->text.s.right), - XawstEOL, XawsdLeft, 1, False); - to = SrcScan(ctx->text.source, - XawMax(ctx->text.s.right, ctx->text.s.right), - XawstEOL, XawsdRight, 1, False); - } - else { - XawTextBlock block; - XawTextPosition tmp; - Bool first; - - from = to = ctx->text.insertPos; - - /* find from position */ - first = True; - while (1) { - tmp = from; - from = SrcScan(ctx->text.source, from, XawstEOL, XawsdLeft, - 1 + !first, False); - XawTextSourceRead(ctx->text.source, from, &block, 1); - if (block.length == 0 || - (XawTextFormat(ctx, XawFmt8Bit) && - block.ptr[0] != ' ' && - block.ptr[0] != '\t' && - !isalnum(*(unsigned char*)block.ptr)) || - (XawTextFormat(ctx, XawFmtWide) && - _Xaw_atowc(XawSP) != *(wchar_t*)block.ptr && - _Xaw_atowc(XawTAB) != *(wchar_t*)block.ptr && - !iswalnum(*(wchar_t*)block.ptr)) || - BlankLine((Widget)ctx, from, NULL)) { - from = tmp; - break; - } - if (from == tmp && !first) - break; - first = False; - } - if (first) - return (False); - - /* find to position */ - first = True; - while (1) { - tmp = to; - to = SrcScan(ctx->text.source, to, XawstEOL, XawsdRight, - 1 + !first, False); - XawTextSourceRead(ctx->text.source, to + (to < ctx->text.lastPos), - &block, 1); - if (block.length == 0 || - (XawTextFormat(ctx, XawFmt8Bit) && - block.ptr[0] != ' ' && - block.ptr[0] != '\t' && - !isalnum(*(unsigned char*)block.ptr)) || - (XawTextFormat(ctx, XawFmtWide) && - _Xaw_atowc(XawSP) != *(wchar_t*)block.ptr && - _Xaw_atowc(XawTAB) != *(wchar_t*)block.ptr && - !iswalnum(*(wchar_t*)block.ptr)) || - BlankLine((Widget)ctx, to, NULL)) - break; - if (to == tmp && !first) - break; - first = False; - } - } - } - else { - from = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL, - XawsdLeft, 1, False); - if (BlankLine((Widget)ctx, from, NULL)) - return (False); - from = SrcScan(ctx->text.source, from, XawstParagraph, - XawsdLeft, 1, False); - if (BlankLine((Widget)ctx, from, NULL)) - from = SrcScan(ctx->text.source, from, XawstEOL, - XawsdRight, 1, True); - to = SrcScan(ctx->text.source, from, XawstParagraph, - XawsdRight, 1, False); - } - - if (from < to) { - *from_return = from; - *to_return = to; - return (True); - } - - return (False); -} -#endif /* OLDXAW */ - -/* FormParagraph() - action - * - * removes and reinserts CRs to maximize line length without clipping */ -/*ARGSUSED*/ -static void -FormParagraph(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition from, to, buf[32], *pos; -#ifndef OLDXAW - XawTextPosition endPos = 0; - char *lbuf = NULL, *rbuf; - TextSrcObject src = (TextSrcObject)ctx->text.source; - Cardinal i; - Bool undo = src->textSrc.enable_undo && src->textSrc.undo_state == False; -#endif - - StartAction(ctx, event); - -#ifndef OLDXAW - pos = XawStackAlloc(sizeof(XawTextPosition) * src->textSrc.num_text, buf); - for (i = 0; i < src->textSrc.num_text; i++) - pos[i] = ((TextWidget)src->textSrc.text[i])->text.old_insert; -#else - pos = buf; - *pos = ctx->text.old_insert; -#endif - -#ifndef OLDXAW - if (!GetBlockBoundaries(ctx, &from, &to)) { - EndAction(ctx); - XawStackFree(pos, buf); - return; - } - - if (undo) { - src->textSrc.undo_state = True; - lbuf = _XawTextGetText(ctx, from, to); - endPos = ctx->text.lastPos; - } - - if (FormRegion(ctx, from, to, pos, src->textSrc.num_text) == XawReplaceError) { -#else - from = SrcScan(ctx->text.source, ctx->text.insertPos, - XawstParagraph, XawsdLeft, 1, False); - to = SrcScan(ctx->text.source, from, - XawstParagraph, XawsdRight, 1, False); - - if (FormRegion(ctx, from, to, pos, 1) == XawReplaceError) { -#endif - XawStackFree(pos, buf); - XBell(XtDisplay(w), 0); -#ifndef OLDXAW - if (undo) { - src->textSrc.undo_state = False; - XtFree(lbuf); - } -#endif - } -#ifndef OLDXAW - else if (undo) { - /* makes the form-paragraph only one undo/redo step */ - unsigned llen, rlen, size; - XawTextBlock block; - - llen = to - from; - rlen = llen + (ctx->text.lastPos - endPos); - - block.firstPos = 0; - block.format = _XawTextFormat(ctx); - - rbuf = _XawTextGetText(ctx, from, from + rlen); - - size = XawTextFormat(ctx, XawFmtWide) ? sizeof(wchar_t) : sizeof(char); - if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) { - block.ptr = lbuf; - block.length = llen; - _XawTextReplace(ctx, from, from + rlen, &block); - - src->textSrc.undo_state = False; - block.ptr = rbuf; - block.length = rlen; - _XawTextReplace(ctx, from, from + llen, &block); - } - else - src->textSrc.undo_state = False; - XtFree(lbuf); - XtFree(rbuf); - } - - for (i = 0; i < src->textSrc.num_text; i++) { - TextWidget tw = (TextWidget)src->textSrc.text[i]; - - tw->text.old_insert = tw->text.insertPos = pos[i]; - _XawTextBuildLineTable(tw, SrcScan((Widget)src, tw->text.lt.top, XawstEOL, - XawsdLeft, 1, False), False); - tw->text.clear_to_eol = True; - } -#else - ctx->text.old_insert = ctx->text.insertPos = *pos; - _XawTextBuildLineTable(ctx, SrcScan(ctx->text.source, ctx->text.lt.top, - XawstEOL, XawsdLeft, 1, False), False); - ctx->text.clear_to_eol = True; -#endif - XawStackFree(pos, buf); - ctx->text.showposition = True; - - EndAction(ctx); -} - -/* TransposeCharacters() - action - * - * Swaps the character to the left of the mark - * with the character to the right of the mark */ -/*ARGSUSED*/ -static void -TransposeCharacters(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - XawTextPosition start, end; - XawTextBlock text; - char *buf; - int i, mult = MULT(ctx); - - if (mult < 0) { - ctx->text.mult = 1; - return; - } - - StartAction(ctx, event); - - /* Get bounds. */ - - start = SrcScan(ctx->text.source, ctx->text.insertPos, XawstPositions, - XawsdLeft, 1, True); - end = SrcScan(ctx->text.source, ctx->text.insertPos, XawstPositions, - XawsdRight, mult, True); - - /* Make sure we aren't at the very beginning or end of the buffer. */ - - if (start == ctx->text.insertPos || end == ctx->text.insertPos) { - XBell(XtDisplay(w), 0); /* complain. */ - EndAction(ctx); - return; - } - - ctx->text.from_left = -1; - ctx->text.insertPos = end; - - text.firstPos = 0; - text.format = _XawTextFormat(ctx); - - /* Retrieve text and swap the characters. */ - if (text.format == XawFmtWide) { - wchar_t wc; - wchar_t *wbuf; - - wbuf = (wchar_t*)_XawTextGetText(ctx, start, end); - text.length = wcslen(wbuf); - wc = wbuf[0]; - for (i = 1; i < text.length; i++) - wbuf[i - 1] = wbuf[i]; - wbuf[i - 1] = wc; - buf = (char*)wbuf; /* so that it gets assigned and freed */ - } - else { /* thus text.format == XawFmt8Bit */ - char c; - - buf = _XawTextGetText(ctx, start, end); - text.length = strlen(buf); - c = buf[0]; - for (i = 1; i < text.length; i++) - buf[i - 1] = buf[i]; - buf[i - 1] = c; - } - - text.ptr = buf; - - /* Store new text in source. */ - - if (_XawTextReplace (ctx, start, end, &text)) - XBell(XtDisplay(w), 0); - XtFree((char *)buf); - EndAction(ctx); -} - -#ifndef OLDXAW -/*ARGSUSED*/ -static void -Undo(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - int mul = MULT(ctx); - Bool toggle = False; - - if (mul < 0) { - toggle = True; - _XawTextSrcToggleUndo((TextSrcObject)ctx->text.source); - ctx->text.mult = mul = -mul; - } - - StartAction(ctx, event); - for (; mul; --mul) - if (!_XawTextSrcUndo((TextSrcObject)ctx->text.source, &ctx->text.insertPos)) - break; - ctx->text.showposition = True; - - if (toggle) - _XawTextSrcToggleUndo((TextSrcObject)ctx->text.source); - EndAction(ctx); -} -#endif - -/* NoOp() - action - * This action performs no action, and allows the user or - * application programmer to unbind a translation. - * - * Note: If the parameter list contains the string "RingBell" then - * this action will ring the bell. - */ -/*ARGSUSED*/ -static void -NoOp(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - if (*num_params != 1) - return; - - switch(params[0][0]) { - case 'R': - case 'r': - XBell(XtDisplay(w), 0); - /*FALLTROUGH*/ - default: - break; - } -} - -/* Reconnect() - action - * This reconnects to the input method. The user will typically call - * this action if/when connection has been severed, or when the app - * was started up before an IM was started up - */ -/*ARGSUSED*/ -static void -Reconnect(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - _XawImReconnect(w); -} - -#define CAPITALIZE 1 -#define DOWNCASE 2 -#define UPCASE 3 - -#ifdef NO_LIBC_I18N -static int -ToLower(int ch) -{ - char buf[2]; - - *buf = ch; - XmuNCopyISOLatin1Lowered(buf, buf, sizeof(buf)); - - return (*buf); -} - -static int -ToUpper(int ch) -{ - char buf[2]; - - *buf = ch; - XmuNCopyISOLatin1Uppered(buf, buf, sizeof(buf)); - - return (*buf); -} - -static int -IsAlnum(int ch) -{ - return ((ch >= '0' && ch <= '9') || ToUpper(ch) != ch || ToLower(ch) != ch); -} - -static int -IsLower(int ch) -{ - char upbuf[2]; - char lobuf[2]; - - *upbuf = *lobuf = ch; - XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf)); - XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf)); - - return (*lobuf != *upbuf && ch == *lobuf); -} - -static int -IsUpper(int ch) -{ - char upbuf[2]; - char lobuf[2]; - - *upbuf = *lobuf = ch; - XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf)); - XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf)); - - return (*lobuf != *upbuf && ch == *upbuf); -} -#else -#define ToLower tolower -#define ToUpper toupper -#define IsAlnum isalnum -#define IsLower islower -#define IsUpper isupper -#endif - -static void -CaseProc(Widget w, XEvent *event, int cmd) -{ - TextWidget ctx = (TextWidget)w; - short mul = MULT(ctx); - XawTextPosition left, right; - XawTextBlock block; - Bool changed = False; - unsigned char ch, mb[sizeof(wchar_t)]; - int i, count; - - if (mul > 0) - right = SrcScan(ctx->text.source, left = ctx->text.insertPos, - XawstAlphaNumeric, XawsdRight, mul, False); - else - left = SrcScan(ctx->text.source, right = ctx->text.insertPos, - XawstAlphaNumeric, XawsdLeft, 1 + -mul, False); - block.firstPos = 0; - block.format = _XawTextFormat(ctx); - block.length = right - left; - block.ptr = _XawTextGetText(ctx, left, right); - - count = 0; - if (block.format == XawFmt8Bit) - for (i = 0; i < block.length; i++) { - if (!IsAlnum(*mb = (unsigned char)block.ptr[i])) - count = 0; - else if (++count == 1 || cmd != CAPITALIZE) { - ch = cmd == DOWNCASE ? ToLower(*mb) : ToUpper(*mb); - if (ch != *mb) { - changed = True; - block.ptr[i] = ch; - } - } - else if (cmd == CAPITALIZE) { - if ((ch = ToLower(*mb)) != *mb) { - changed = True; - block.ptr[i] = ch; - } - } - } - else - for (i = 0; i < block.length; i++) { - wctomb((char*)mb, ((wchar_t*)block.ptr)[i]); - if (!IsAlnum(*mb)) - count = 0; - else if (++count == 1 || cmd != CAPITALIZE) { - ch = cmd == DOWNCASE ? ToLower(*mb) : ToUpper(*mb); - if (ch != *mb) { - changed = True; - ((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch); - } - } - else if (cmd == CAPITALIZE) { - if ((ch = ToLower(*mb)) != *mb) { - changed = True; - ((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch); - } - } - } - - StartAction(ctx, event); - if (changed && _XawTextReplace(ctx, left, right, &block) != XawEditDone) - XBell(XtDisplay(ctx), 0); - ctx->text.insertPos = right; - EndAction(ctx); - - XtFree(block.ptr); -} - -/*ARGSUSED*/ -static void -CapitalizeWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CaseProc(w, event, CAPITALIZE); -} - -/*ARGSUSED*/ -static void -DowncaseWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CaseProc(w, event, DOWNCASE); -} - -/*ARGSUSED*/ -static void -UpcaseWord(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - CaseProc(w, event, UPCASE); -} -#undef CAPITALIZE -#undef DOWNCASE -#undef UPCASE - -XtActionsRec _XawTextActionsTable[] = { - /* motion */ - {"forward-character", MoveForwardChar}, - {"backward-character", MoveBackwardChar}, - {"forward-word", MoveForwardWord}, - {"backward-word", MoveBackwardWord}, - {"forward-paragraph", MoveForwardParagraph}, - {"backward-paragraph", MoveBackwardParagraph}, - {"beginning-of-line", MoveToLineStart}, - {"end-of-line", MoveToLineEnd}, - {"next-line", MoveNextLine}, - {"previous-line", MovePreviousLine}, - {"next-page", MoveNextPage}, - {"previous-page", MovePreviousPage}, - {"beginning-of-file", MoveBeginningOfFile}, - {"end-of-file", MoveEndOfFile}, - {"scroll-one-line-up", ScrollOneLineUp}, - {"scroll-one-line-down", ScrollOneLineDown}, - - /* delete */ - {"delete-next-character", DeleteForwardChar}, - {"delete-previous-character", DeleteBackwardChar}, - {"delete-next-word", DeleteForwardWord}, - {"delete-previous-word", DeleteBackwardWord}, - {"delete-selection", DeleteCurrentSelection}, - {"delete", Delete}, - - /* kill */ - {"kill-word", KillForwardWord}, - {"backward-kill-word", KillBackwardWord}, - {"kill-selection", KillCurrentSelection}, - {"kill-to-end-of-line", KillToEndOfLine}, - {"kill-to-end-of-paragraph", KillToEndOfParagraph}, - - /* new line */ - {"newline-and-indent", InsertNewLineAndIndent}, - {"newline-and-backup", InsertNewLineAndBackup}, - {"newline", InsertNewLine}, - - /* selection */ - {"select-word", SelectWord}, - {"select-all", SelectAll}, - {"select-start", SelectStart}, - {"select-adjust", SelectAdjust}, - {"select-end", SelectEnd}, - {"select-save", SelectSave}, - {"extend-start", ExtendStart}, - {"extend-adjust", ExtendAdjust}, - {"extend-end", ExtendEnd}, - {"insert-selection", InsertSelection}, - - /* miscellaneous */ - {"redraw-display", RedrawDisplay}, - {"insert-file", _XawTextInsertFile}, - {"search", _XawTextSearch}, - {"insert-char", InsertChar}, - {"insert-string", InsertString}, - {"focus-in", TextFocusIn}, - {"focus-out", TextFocusOut}, - {"enter-window", TextEnterWindow}, - {"leave-window", TextLeaveWindow}, - {"display-caret", DisplayCaret}, - {"multiply", Multiply}, - {"form-paragraph", FormParagraph}, - {"transpose-characters", TransposeCharacters}, - {"set-keyboard-focus", SetKeyboardFocus}, -#ifndef OLDXAW - {"numeric", Numeric}, - {"undo", Undo}, - {"keyboard-reset", KeyboardReset}, - {"kill-ring-yank", KillRingYank}, - {"toggle-overwrite", ToggleOverwrite}, - {"indent", Indent}, -#endif - {"no-op", NoOp}, - - /* case transformations */ - {"capitalize-word", CapitalizeWord}, - {"downcase-word", DowncaseWord}, - {"upcase-word", UpcaseWord}, - - /* action to bind translations for text dialogs */ - {"InsertFileAction", _XawTextInsertFileAction}, - {"DoSearchAction", _XawTextDoSearchAction}, - {"DoReplaceAction", _XawTextDoReplaceAction}, - {"SetField", _XawTextSetField}, - {"PopdownSearchAction", _XawTextPopdownSearchAction}, - - /* reconnect to Input Method */ - {"reconnect-im", Reconnect} /* Li Yuhong, Omron KK, 1991 */ -}; - -Cardinal _XawTextActionsTableCount = XtNumber(_XawTextActionsTable); +/*
+
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xos.h> /* for select() and struct timeval */
+#include <ctype.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xatom.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xutil.h>
+#include <X11/Xwinsock.h>
+#include <X11/Xmu/Atoms.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xmu/StdSel.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/MultiSinkP.h>
+#include <X11/Xaw/MultiSrcP.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/TextSrcP.h>
+#include <X11/Xaw/XawImP.h>
+#include "Private.h"
+#include "XawI18n.h"
+
+#define SrcScan XawTextSourceScan
+#define FindDist XawTextSinkFindDistance
+#define FindPos XawTextSinkFindPosition
+#define MULT(w) (w->text.mult == 0 ? 4 : \
+ w->text.mult == 32767 ? -4 : w->text.mult)
+
+#define KILL_RING_APPEND 2
+#define KILL_RING_BEGIN 3
+#define KILL_RING_YANK 100
+#define KILL_RING_YANK_DONE 98
+
+#define XawTextActionMaxHexChars 100
+
+#ifdef _MSC_VER
+#define usleep(time) Sleep(time)
+#endif
+/*
+ * Prototypes
+ */
+static void _DeleteOrKill(TextWidget, XawTextPosition, XawTextPosition, Bool);
+static void _SelectionReceived(Widget, XtPointer, Atom*, Atom*, XtPointer,
+ unsigned long*, int*);
+static void _LoseSelection(Widget, Atom*, char**, int*);
+static void AutoFill(TextWidget);
+static Boolean ConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*,
+ unsigned long*, int*);
+static void DeleteOrKill(TextWidget, XEvent*, XawTextScanDirection,
+ XawTextScanType, Bool, Bool);
+static void EndAction(TextWidget);
+#ifndef OLDXAW
+static Bool BlankLine(Widget, XawTextPosition, int*);
+static int DoFormatText(TextWidget, XawTextPosition, Bool, int,
+ XawTextBlock*, XawTextPosition*, int, Bool);
+static int FormatText(TextWidget, XawTextPosition, Bool,
+ XawTextPosition*, int);
+static Bool GetBlockBoundaries(TextWidget, XawTextPosition*, XawTextPosition*);
+#endif
+static int FormRegion(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextPosition*, int);
+static void GetSelection(Widget, Time, String*, Cardinal);
+static char *IfHexConvertHexElseReturnParam(char*, int*);
+static void InsertNewCRs(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextPosition*, int);
+static int InsertNewLineAndBackupInternal(TextWidget);
+static int LocalInsertNewLine(TextWidget, XEvent*);
+static void LoseSelection(Widget, Atom*);
+static void ParameterError(Widget, String);
+static Bool MatchSelection(Atom, XawTextSelection*);
+static void ModifySelection(TextWidget, XEvent*, XawTextSelectionMode,
+ XawTextSelectionAction, String*, Cardinal*);
+static void Move(TextWidget, XEvent*, XawTextScanDirection, XawTextScanType,
+ Bool);
+static void NotePosition(TextWidget, XEvent*);
+static void StartAction(TextWidget, XEvent*);
+static XawTextPosition StripOutOldCRs(TextWidget, XawTextPosition,
+ XawTextPosition, XawTextPosition*, int);
+#ifndef OLDXAW
+static Bool StripSpaces(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextPosition*, int, XawTextBlock*);
+static Bool Tabify(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextPosition*, int, XawTextBlock*);
+static Bool Untabify(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextPosition*, int, XawTextBlock*);
+#endif
+
+/*
+ * Actions
+ */
+static void CapitalizeWord(Widget, XEvent*, String*, Cardinal*);
+static void DisplayCaret(Widget, XEvent*, String*, Cardinal*);
+static void Delete(Widget, XEvent*, String*, Cardinal*);
+static void DeleteBackwardChar(Widget, XEvent*, String*, Cardinal*);
+static void DeleteBackwardWord(Widget, XEvent*, String*, Cardinal*);
+static void DeleteCurrentSelection(Widget, XEvent*, String*, Cardinal*);
+static void DeleteForwardChar(Widget, XEvent*, String*, Cardinal*);
+static void DeleteForwardWord(Widget, XEvent*, String*, Cardinal*);
+static void DowncaseWord(Widget, XEvent*, String*, Cardinal*);
+static void ExtendAdjust(Widget, XEvent*, String*, Cardinal*);
+static void ExtendEnd(Widget, XEvent*, String*, Cardinal*);
+static void ExtendStart(Widget, XEvent*, String*, Cardinal*);
+static void FormParagraph(Widget, XEvent*, String*, Cardinal*);
+#ifndef OLDXAW
+static void Indent(Widget, XEvent*, String*, Cardinal*);
+#endif
+static void InsertChar(Widget, XEvent*, String*, Cardinal*);
+static void InsertNewLine(Widget, XEvent*, String*, Cardinal*);
+static void InsertNewLineAndBackup(Widget, XEvent*, String*, Cardinal*);
+static void InsertNewLineAndIndent(Widget, XEvent*, String*, Cardinal*);
+static void InsertSelection(Widget, XEvent*, String*, Cardinal*);
+static void InsertString(Widget, XEvent*, String*, Cardinal*);
+#ifndef OLDXAW
+static void KeyboardReset(Widget, XEvent*, String*, Cardinal*);
+#endif
+static void KillBackwardWord(Widget, XEvent*, String*, Cardinal*);
+static void KillCurrentSelection(Widget, XEvent*, String*, Cardinal*);
+static void KillForwardWord(Widget, XEvent*, String*, Cardinal*);
+#ifndef OLDXAW
+static void KillRingYank(Widget, XEvent*, String*, Cardinal*);
+#endif
+static void KillToEndOfLine(Widget, XEvent*, String*, Cardinal*);
+static void KillToEndOfParagraph(Widget, XEvent*, String*, Cardinal*);
+static void MoveBackwardChar(Widget, XEvent*, String*, Cardinal*);
+static void MoveBackwardWord(Widget, XEvent*, String*, Cardinal*);
+static void MoveBackwardParagraph(Widget, XEvent*, String*, Cardinal*);
+static void MoveBeginningOfFile(Widget, XEvent*, String*, Cardinal*);
+static void MoveEndOfFile(Widget, XEvent*, String*, Cardinal*);
+static void MoveForwardChar(Widget, XEvent*, String*, Cardinal*);
+static void MoveForwardWord(Widget, XEvent*, String*, Cardinal*);
+static void MoveForwardParagraph(Widget, XEvent*, String*, Cardinal*);
+static void MoveNextLine(Widget, XEvent*, String*, Cardinal*);
+static void MoveNextPage(Widget, XEvent*, String*, Cardinal*);
+static void MovePage(TextWidget, XEvent*, XawTextScanDirection);
+static void MovePreviousLine(Widget, XEvent*, String*, Cardinal*);
+static void MovePreviousPage(Widget, XEvent*, String*, Cardinal*);
+static void MoveLine(TextWidget, XEvent*, XawTextScanDirection);
+static void MoveToLineEnd(Widget, XEvent*, String*, Cardinal*);
+static void MoveToLineStart(Widget, XEvent*, String*, Cardinal*);
+static void Multiply(Widget, XEvent*, String*, Cardinal*);
+static void NoOp(Widget, XEvent*, String*, Cardinal*);
+#ifndef OLDXAW
+static void Numeric(Widget, XEvent*, String*, Cardinal*);
+#endif
+static void Reconnect(Widget, XEvent*, String*, Cardinal*);
+static void RedrawDisplay(Widget, XEvent*, String*, Cardinal*);
+static void Scroll(TextWidget, XEvent*, XawTextScanDirection);
+static void ScrollOneLineDown(Widget, XEvent*, String*, Cardinal*);
+static void ScrollOneLineUp(Widget, XEvent*, String*, Cardinal*);
+static void SelectAdjust(Widget, XEvent*, String*, Cardinal*);
+static void SelectAll(Widget, XEvent*, String*, Cardinal*);
+static void SelectEnd(Widget, XEvent*, String*, Cardinal*);
+static void SelectSave(Widget, XEvent*, String*, Cardinal*);
+static void SelectStart(Widget, XEvent*, String*, Cardinal*);
+static void SelectWord(Widget, XEvent*, String*, Cardinal*);
+static void SetKeyboardFocus(Widget, XEvent*, String*, Cardinal*);
+static void TextEnterWindow(Widget, XEvent*, String*, Cardinal*);
+static void TextFocusIn(Widget, XEvent*, String*, Cardinal*);
+static void TextFocusOut(Widget, XEvent*, String*, Cardinal*);
+static void TextLeaveWindow(Widget, XEvent*, String*, Cardinal*);
+static void TransposeCharacters(Widget, XEvent*, String*, Cardinal*);
+#ifndef OLDXAW
+static void ToggleOverwrite(Widget, XEvent*, String*, Cardinal*);
+static void Undo(Widget, XEvent*, String*, Cardinal*);
+#endif
+static void UpcaseWord(Widget, XEvent*, String*, Cardinal*);
+static void DestroyFocusCallback(Widget, XtPointer, XtPointer);
+
+/*
+ * External
+ */
+void _XawTextZapSelection(TextWidget, XEvent*, Bool);
+
+/*
+ * Defined in TextPop.c
+ */
+void _XawTextInsertFileAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextInsertFile(Widget, XEvent*, String*, Cardinal*);
+void _XawTextSearch(Widget, XEvent*, String*, Cardinal*);
+void _XawTextDoSearchAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextDoReplaceAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextSetField(Widget, XEvent*, String*, Cardinal*);
+void _XawTextPopdownSearchAction(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * These are defined in Text.c
+ */
+void _XawTextAlterSelection(TextWidget, XawTextSelectionMode,
+ XawTextSelectionAction, String*, Cardinal*);
+void _XawTextClearAndCenterDisplay(TextWidget);
+void _XawTextExecuteUpdate(TextWidget);
+char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition);
+void _XawTextPrepareToUpdate(TextWidget);
+int _XawTextReplace(TextWidget, XawTextPosition, XawTextPosition,
+ XawTextBlock*);
+Atom *_XawTextSelectionList(TextWidget, String*, Cardinal);
+void _XawTextSetSelection(TextWidget, XawTextPosition, XawTextPosition,
+ String*, Cardinal);
+void _XawTextVScroll(TextWidget, int);
+void XawTextScroll(TextWidget, int, int);
+void _XawTextSetLineAndColumnNumber(TextWidget, Bool);
+
+#ifndef OLDXAW
+/*
+ * Defined in TextSrc.c
+ */
+Bool _XawTextSrcUndo(TextSrcObject, XawTextPosition*);
+Bool _XawTextSrcToggleUndo(TextSrcObject);
+void _XawSourceSetUndoErase(TextSrcObject, int);
+void _XawSourceSetUndoMerge(TextSrcObject, Bool);
+#endif /* OLDXAW */
+
+/*
+ * Initialization
+ */
+#ifndef OLDXAW
+#define MAX_KILL_RINGS 1024
+XawTextKillRing *xaw_text_kill_ring;
+static XawTextKillRing kill_ring_prev, kill_ring_null = { &kill_ring_prev, };
+static unsigned num_kill_rings;
+#endif
+
+/*
+ * Implementation
+ */
+static void
+ParameterError(Widget w, String param)
+{
+ String params[2];
+ Cardinal num_params = 2;
+ params[0] = XtName(w);
+ params[1] = param;
+
+ XtAppWarningMsg(XtWidgetToApplicationContext(w),
+ "parameterError", "textAction", "XawError",
+ "Widget: %s Parameter: %s",
+ params, &num_params);
+ XBell(XtDisplay(w), 50);
+}
+
+static void
+StartAction(TextWidget ctx, XEvent *event)
+{
+#ifndef OLDXAW
+ Cardinal i;
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ _XawTextPrepareToUpdate((TextWidget)src->textSrc.text[i]);
+ _XawSourceSetUndoMerge(src, False);
+#else
+ _XawTextPrepareToUpdate(ctx);
+#endif
+
+ if (event != NULL) {
+ switch (event->type) {
+ case ButtonPress:
+ case ButtonRelease:
+ ctx->text.time = event->xbutton.time;
+ break;
+ case KeyPress:
+ case KeyRelease:
+ ctx->text.time = event->xkey.time;
+ break;
+ case MotionNotify:
+ ctx->text.time = event->xmotion.time;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ ctx->text.time = event->xcrossing.time;
+ }
+ }
+}
+
+static void
+NotePosition(TextWidget ctx, XEvent *event)
+{
+ switch (event->type) {
+ case ButtonPress:
+ case ButtonRelease:
+ ctx->text.ev_x = event->xbutton.x;
+ ctx->text.ev_y = event->xbutton.y;
+ break;
+ case KeyPress:
+ case KeyRelease: {
+ XRectangle cursor;
+ XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
+ ctx->text.ev_x = cursor.x + cursor.width / 2;
+ ctx->text.ev_y = cursor.y + cursor.height / 2;
+ } break;
+ case MotionNotify:
+ ctx->text.ev_x = event->xmotion.x;
+ ctx->text.ev_y = event->xmotion.y;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ ctx->text.ev_x = event->xcrossing.x;
+ ctx->text.ev_y = event->xcrossing.y;
+ }
+}
+
+static void
+EndAction(TextWidget ctx)
+{
+#ifndef OLDXAW
+ Cardinal i;
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ _XawTextExecuteUpdate((TextWidget)src->textSrc.text[i]);
+
+ ctx->text.mult = 1;
+ ctx->text.numeric = False;
+ if (ctx->text.kill_ring) {
+ if (--ctx->text.kill_ring == KILL_RING_YANK_DONE) {
+ if (ctx->text.kill_ring_ptr) {
+ --ctx->text.kill_ring_ptr->refcount;
+ ctx->text.kill_ring_ptr = NULL;
+ }
+ }
+ }
+#else
+ ctx->text.mult = 1;
+ _XawTextExecuteUpdate(ctx);
+#endif /* OLDXAW */
+}
+
+struct _SelectionList {
+ String* params;
+ Cardinal count;
+ Time time;
+ int asked; /* which selection currently has been asked for:
+ 0 = UTF8_STRING, 1 = COMPOUND_TEXT, 2 = STRING */
+ Atom selection; /* selection atom (normally XA_PRIMARY) */
+};
+
+/*ARGSUSED*/
+static void
+_SelectionReceived(Widget w, XtPointer client_data, Atom *selection,
+ Atom *type, XtPointer value, unsigned long *length,
+ int *format)
+{
+ Display *d = XtDisplay(w);
+ TextWidget ctx = (TextWidget)w;
+ XawTextBlock text;
+
+ if (*type == 0 /*XT_CONVERT_FAIL*/ || *length == 0) {
+ struct _SelectionList* list = (struct _SelectionList*)client_data;
+
+ if (list != NULL) {
+ if (list->asked == 0) {
+ /* If we just asked for XA_UTF8_STRING and got no response,
+ we'll ask again, this time for XA_COMPOUND_TEXT. */
+ list->asked++;
+ XtGetSelectionValue(w, list->selection, XA_COMPOUND_TEXT(d),
+ _SelectionReceived,
+ (XtPointer)list, list->time);
+ } else if (list->asked == 1) {
+ /* If we just asked for XA_COMPOUND_TEXT and got no response,
+ we'll ask again, this time for XA_STRING. */
+ list->asked++;
+ XtGetSelectionValue(w, list->selection, XA_STRING,
+ _SelectionReceived,
+ (XtPointer)list, list->time);
+ } else {
+ /* We tried all possible text targets in this param.
+ Recurse on the tail of the params list. */
+ GetSelection(w, list->time, list->params, list->count);
+ XtFree(client_data);
+ }
+ }
+ return;
+ }
+
+ StartAction(ctx, NULL);
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ XTextProperty textprop;
+ wchar_t **wlist;
+ int count;
+
+ textprop.encoding = *type;
+ textprop.value = (unsigned char *)value;
+ textprop.nitems = strlen(value);
+ textprop.format = 8;
+
+ if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
+ != Success
+ || count < 1) {
+ XwcFreeStringList(wlist);
+
+ /* Notify the user on strerr and in the insertion :) */
+ fprintf(stderr, "Xaw Text Widget: An attempt was made to insert "
+ "an illegal selection.\n");
+
+ textprop.value = (unsigned char *)" >> ILLEGAL SELECTION << ";
+ textprop.nitems = strlen((char *) textprop.value);
+ if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
+ != Success
+ || count < 1)
+ return;
+ }
+
+ XFree(value);
+ value = (XPointer)wlist[0];
+
+ *length = wcslen(wlist[0]);
+ XtFree((XtPointer)wlist);
+ text.format = XawFmtWide;
+ }
+ text.ptr = (char*)value;
+ text.firstPos = 0;
+ text.length = *length;
+ if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) {
+ XBell(XtDisplay(ctx), 0);
+ EndAction(ctx);
+ return;
+ }
+
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert,
+ XawstPositions, XawsdRight, text.length, True);
+
+ EndAction(ctx);
+ XtFree(client_data);
+ XFree(value); /* the selection value should be freed with XFree */
+}
+
+static void
+GetSelection(Widget w, Time timev, String *params, Cardinal num_params)
+{
+ Display *d = XtDisplay(w);
+ TextWidget ctx = (TextWidget)w;
+ Atom selection;
+ int buffer;
+
+ selection = XInternAtom(XtDisplay(w), *params, False);
+ switch (selection) {
+ case XA_CUT_BUFFER0: buffer = 0; break;
+ case XA_CUT_BUFFER1: buffer = 1; break;
+ case XA_CUT_BUFFER2: buffer = 2; break;
+ case XA_CUT_BUFFER3: buffer = 3; break;
+ case XA_CUT_BUFFER4: buffer = 4; break;
+ case XA_CUT_BUFFER5: buffer = 5; break;
+ case XA_CUT_BUFFER6: buffer = 6; break;
+ case XA_CUT_BUFFER7: buffer = 7; break;
+ default: buffer = -1;
+ }
+ if (buffer >= 0) {
+ int nbytes;
+ unsigned long length;
+ int fmt8 = 8;
+ Atom type = XA_STRING;
+ char *line = XFetchBuffer(XtDisplay(w), &nbytes, buffer);
+
+ if ((length = nbytes) != 0L)
+ _SelectionReceived(w, NULL, &selection, &type, line, &length, &fmt8);
+ else if (num_params > 1)
+ GetSelection(w, timev, params+1, num_params-1);
+ }
+ else {
+ struct _SelectionList* list;
+
+ if (--num_params) {
+ list = XtNew(struct _SelectionList);
+ list->params = params + 1;
+ list->count = num_params;
+ list->time = timev;
+ list->asked = 0;
+ list->selection = selection;
+ }
+ else
+ list = NULL;
+ XtGetSelectionValue(w, selection, XawTextFormat(ctx, XawFmtWide) ?
+ XA_UTF8_STRING(d) : XA_TEXT(d),
+ _SelectionReceived, (XtPointer)list, timev);
+ }
+}
+
+static void
+InsertSelection(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ StartAction((TextWidget)w, event); /* Get Time. */
+ GetSelection(w, ((TextWidget)w)->text.time, params, *num_params);
+ EndAction((TextWidget)w);
+}
+
+/*
+ * Routines for Moving Around
+ */
+static void
+Move(TextWidget ctx, XEvent *event, XawTextScanDirection dir,
+ XawTextScanType type, Bool include)
+{
+ XawTextPosition insertPos;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ mult = -mult;
+ dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
+ }
+
+ insertPos = SrcScan(ctx->text.source, ctx->text.insertPos,
+ type, dir, mult, include);
+
+ StartAction(ctx, event);
+
+ if (ctx->text.s.left != ctx->text.s.right)
+ XawTextUnsetSelection((Widget)ctx);
+
+#ifndef OLDXAW
+ ctx->text.numeric = False;
+#endif
+ ctx->text.mult = 1;
+ ctx->text.showposition = True;
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = insertPos;
+ EndAction(ctx);
+}
+
+/*ARGSUSED*/
+static void
+MoveForwardChar(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Move((TextWidget)w, event, XawsdRight, XawstPositions, True);
+}
+
+/*ARGSUSED*/
+static void
+MoveBackwardChar(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Move((TextWidget)w, event, XawsdLeft, XawstPositions, True);
+}
+
+static void
+MoveForwardWord(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ if (*n && (p[0][0] == 'A' || p[0][0] == 'a'))
+ Move((TextWidget)w, event, XawsdRight, XawstAlphaNumeric, False);
+ else
+ Move((TextWidget)w, event, XawsdRight, XawstWhiteSpace, False);
+}
+
+static void
+MoveBackwardWord(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ if (*n && (p[0][0] == 'A' || p[0][0] == 'a'))
+ Move((TextWidget)w, event, XawsdLeft, XawstAlphaNumeric, False);
+ else
+ Move((TextWidget)w, event, XawsdLeft, XawstWhiteSpace, False);
+}
+
+static void
+MoveForwardParagraph(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition position = ctx->text.insertPos;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = -mult;
+ MoveBackwardParagraph(w, event, p, n);
+ return;
+ }
+
+ while (mult--) {
+ position = SrcScan(ctx->text.source, position,
+ XawstEOL, XawsdRight, 1, False) - 1;
+
+ while (position == SrcScan(ctx->text.source, position,
+ XawstEOL, XawsdRight, 1, False))
+ if (++position > ctx->text.lastPos) {
+ mult = 0;
+ break;
+ }
+
+ position = SrcScan(ctx->text.source, position,
+ XawstParagraph, XawsdRight, 1, True);
+ if (position != ctx->text.lastPos)
+ position = SrcScan(ctx->text.source, position - 1,
+ XawstEOL, XawsdLeft, 1, False);
+ else
+ break;
+ }
+
+ if (position != ctx->text.insertPos) {
+ XawTextUnsetSelection(w);
+ StartAction(ctx, event);
+ ctx->text.showposition = True;
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = position;
+ EndAction(ctx);
+ }
+ else
+ ctx->text.mult = 1;
+}
+
+/*ARGSUSED*/
+static void
+MoveBackwardParagraph(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition position = ctx->text.insertPos;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = -mult;
+ MoveForwardParagraph(w, event, p, n);
+ return;
+ }
+
+ while (mult--) {
+ position = SrcScan(ctx->text.source, position,
+ XawstEOL, XawsdLeft, 1, False) + 1;
+
+ while (position == SrcScan(ctx->text.source, position,
+ XawstEOL, XawsdLeft, 1, False))
+ if (--position < 0) {
+ mult = 0;
+ break;
+ }
+
+ position = SrcScan(ctx->text.source, position,
+ XawstParagraph, XawsdLeft, 1, True);
+ if (position > 0 && position < ctx->text.lastPos)
+ ++position;
+ else
+ break;
+ }
+
+ if (position != ctx->text.insertPos) {
+ XawTextUnsetSelection(w);
+ StartAction(ctx, event);
+ ctx->text.showposition = True;
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = position;
+ EndAction(ctx);
+ }
+ else
+ ctx->text.mult = 1;
+}
+
+/*ARGSUSED*/
+static void
+MoveToLineEnd(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Move((TextWidget)w, event, XawsdRight, XawstEOL, False);
+}
+
+/*ARGSUSED*/
+static void
+MoveToLineStart(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Move((TextWidget)w, event, XawsdLeft, XawstEOL, False);
+}
+
+static void
+MoveLine(TextWidget ctx, XEvent *event, XawTextScanDirection dir)
+{
+ XawTextPosition cnew, next_line, ltemp;
+ int itemp, from_left;
+ short mult = MULT(ctx);
+
+ StartAction(ctx, event);
+
+ XawTextUnsetSelection((Widget)ctx);
+
+ if (dir == XawsdLeft)
+ mult = mult == 0 ? 5 : mult + 1;
+
+ cnew = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstEOL, XawsdLeft, 1, False);
+
+ if (ctx->text.from_left < 0)
+ FindDist(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.insertPos,
+ &ctx->text.from_left, <emp, &itemp);
+
+ cnew = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL, dir,
+ mult, (dir == XawsdRight));
+
+ next_line = SrcScan(ctx->text.source, cnew, XawstEOL, XawsdRight, 1, False);
+
+ FindPos(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.from_left,
+ False, &ctx->text.insertPos, &from_left, &itemp);
+
+ if (from_left < ctx->text.from_left) {
+ XawTextBlock block;
+
+ XawTextSourceRead(ctx->text.source, ctx->text.insertPos, &block, 1);
+ if (block.length) {
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ if (*(wchar_t *)block.ptr == _Xaw_atowc(XawTAB))
+ ++ctx->text.insertPos;
+ }
+ else if (block.ptr[0] == XawTAB)
+ ++ctx->text.insertPos;
+ }
+ }
+
+ if (ctx->text.insertPos > next_line)
+ ctx->text.insertPos = next_line;
+
+ EndAction(ctx);
+}
+
+static void
+MoveNextLine(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = -mult;
+ MovePreviousLine(w, event, p, n);
+ return;
+ }
+
+ if (ctx->text.insertPos < ctx->text.lastPos)
+ MoveLine(ctx, event, XawsdRight);
+ else
+ ctx->text.mult = 1;
+}
+
+static void
+MovePreviousLine(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = -mult;
+ MoveNextLine(w, event, p, n);
+ return;
+ }
+
+ if (ctx->text.lt.top != 0 || (ctx->text.lt.lines > 1 &&
+ ctx->text.insertPos >= ctx->text.lt.info[1].position))
+ MoveLine(ctx, event, XawsdLeft);
+ else
+ ctx->text.mult = 1;
+}
+
+/*ARGSUSED*/
+static void
+MoveBeginningOfFile(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Move((TextWidget)w, event, XawsdLeft, XawstAll, True);
+}
+
+/*ARGSUSED*/
+static void
+MoveEndOfFile(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Move((TextWidget)w, event, XawsdRight, XawstAll, True);
+}
+
+static void
+Scroll(TextWidget ctx, XEvent *event, XawTextScanDirection dir)
+{
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ mult = -mult;
+ dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
+ }
+
+ if (ctx->text.lt.lines > 1
+ && (dir == XawsdRight
+ || ctx->text.lastPos >= ctx->text.lt.info[1].position)) {
+ StartAction(ctx, event);
+
+ if (dir == XawsdLeft)
+ _XawTextVScroll(ctx, mult);
+ else
+ _XawTextVScroll(ctx, -mult);
+
+ EndAction(ctx);
+ }
+ else {
+ ctx->text.mult = 1;
+#ifndef OLDXAW
+ ctx->text.numeric = False;
+#endif
+ }
+}
+
+/*ARGSUSED*/
+static void
+ScrollOneLineUp(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Scroll((TextWidget)w, event, XawsdLeft);
+}
+
+/*ARGSUSED*/
+static void
+ScrollOneLineDown(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ Scroll((TextWidget)w, event, XawsdRight);
+}
+
+static void
+MovePage(TextWidget ctx, XEvent *event, XawTextScanDirection dir)
+{
+ int scroll_val = 0;
+ XawTextPosition old_pos;
+
+ ctx->text.from_left = -1;
+ switch (dir) {
+ case XawsdLeft:
+ if (ctx->text.lt.top != 0)
+ scroll_val = -Max(1, ctx->text.lt.lines - 1);
+ break;
+ case XawsdRight:
+ if (!IsPositionVisible(ctx, Max(0, ctx->text.lastPos)))
+ scroll_val = Max(1, ctx->text.lt.lines - 1);
+ break;
+ }
+
+ if (scroll_val)
+ XawTextScroll(ctx, scroll_val,
+ ctx->text.left_margin - ctx->text.r_margin.left);
+
+ old_pos = ctx->text.insertPos;
+ switch (dir) {
+ case XawsdRight:
+ if (IsPositionVisible(ctx, Max(0, ctx->text.lastPos)))
+ ctx->text.insertPos = Max(0, ctx->text.lastPos);
+ else
+ ctx->text.insertPos = ctx->text.lt.top;
+ if (ctx->text.insertPos < old_pos)
+ ctx->text.insertPos = SrcScan(ctx->text.source, old_pos,
+ XawstEOL, XawsdLeft, 1, False);
+ break;
+ case XawsdLeft:
+ if (IsPositionVisible(ctx, 0))
+ ctx->text.insertPos = 0;
+ else if (ctx->text.lt.lines)
+ ctx->text.insertPos =
+ ctx->text.lt.info[ctx->text.lt.lines - 1].position;
+ else
+ ctx->text.insertPos = ctx->text.lt.top;
+ if (ctx->text.insertPos > old_pos)
+ ctx->text.insertPos = SrcScan(ctx->text.source, old_pos,
+ XawstEOL, XawsdLeft, 1, False);
+ break;
+ }
+}
+
+static void
+MoveNextPage(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = -mult;
+ MovePreviousPage(w, event, p, n);
+ return;
+ }
+
+ if (ctx->text.insertPos < ctx->text.lastPos) {
+ XawTextUnsetSelection(w);
+ StartAction(ctx, event);
+ ctx->text.clear_to_eol = True;
+ while (mult-- && ctx->text.insertPos < ctx->text.lastPos)
+ MovePage(ctx, event, XawsdRight);
+ EndAction(ctx);
+ }
+ else
+ ctx->text.mult = 1;
+}
+
+/*ARGSUSED*/
+static void
+MovePreviousPage(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = -mult;
+ MoveNextPage(w, event, p, n);
+ return;
+ }
+
+ if (ctx->text.insertPos > 0) {
+ XawTextUnsetSelection(w);
+ StartAction(ctx, event);
+ ctx->text.clear_to_eol = True;
+ while (mult-- && ctx->text.insertPos > 0)
+ MovePage(ctx, event, XawsdLeft);
+ EndAction(ctx);
+ }
+ else
+ ctx->text.mult = 1;
+}
+
+/*
+ * Delete Routines
+ */
+static Bool
+MatchSelection(Atom selection, XawTextSelection *s)
+{
+ Atom *match;
+ int count;
+
+ for (count = 0, match = s->selections; count < s->atom_count;
+ match++, count++)
+ if (*match == selection)
+ return (True);
+
+ return (False);
+}
+
+#define SrcCvtSel XawTextSourceConvertSelection
+
+static Boolean
+ConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type,
+ XtPointer *value, unsigned long *length, int *format)
+{
+ Display *d = XtDisplay(w);
+ TextWidget ctx = (TextWidget)w;
+ Widget src = ctx->text.source;
+ XawTextEditType edit_mode;
+ Arg args[1];
+ XawTextSelectionSalt *salt = NULL;
+ XawTextSelection *s;
+
+ if (*target == XA_TARGETS(d)) {
+ Atom *targetP, *std_targets;
+ unsigned long std_length;
+
+ if (SrcCvtSel(src, selection, target, type, value, length, format))
+ return (True);
+
+ XtSetArg(args[0], XtNeditType,&edit_mode);
+ XtGetValues(src, args, 1);
+
+ XmuConvertStandardSelection(w, ctx->text.time, selection,
+ target, type, (XPointer *)&std_targets,
+ &std_length, format);
+
+ *length = 7 + (edit_mode == XawtextEdit) + std_length;
+ *value = XtMalloc((unsigned)sizeof(Atom)*(*length));
+ targetP = *(Atom**)value;
+ *targetP++ = XA_STRING;
+ *targetP++ = XA_TEXT(d);
+ *targetP++ = XA_UTF8_STRING(d);
+ *targetP++ = XA_COMPOUND_TEXT(d);
+ *targetP++ = XA_LENGTH(d);
+ *targetP++ = XA_LIST_LENGTH(d);
+ *targetP++ = XA_CHARACTER_POSITION(d);
+ if (edit_mode == XawtextEdit) {
+ *targetP++ = XA_DELETE(d);
+ }
+ memcpy((char*)targetP, (char*)std_targets, sizeof(Atom)*std_length);
+ XtFree((char*)std_targets);
+ *type = XA_ATOM;
+ *format = 32;
+ return (True);
+ }
+
+ if (SrcCvtSel(src, selection, target, type, value, length, format))
+ return (True);
+
+ for (salt = ctx->text.salt2; salt; salt = salt->next)
+ if (MatchSelection (*selection, &salt->s))
+ break;
+ if (!salt)
+ return (False);
+ s = &salt->s;
+ if (*target == XA_STRING
+ || *target == XA_TEXT(d)
+ || *target == XA_UTF8_STRING(d)
+ || *target == XA_COMPOUND_TEXT(d)) {
+ if (*target == XA_TEXT(d)) {
+ if (XawTextFormat(ctx, XawFmtWide))
+ *type = XA_COMPOUND_TEXT(d);
+ else
+ *type = XA_STRING;
+ }
+ else
+ *type = *target;
+
+ /*
+ * If salt is True, the salt->contents stores CT string,
+ * its length is measured in bytes.
+ * Refer to _XawTextSaltAwaySelection()
+ *
+ * by Li Yuhong, Mar. 20, 1991.
+ */
+ if (!salt) {
+ *value = (char *)_XawTextGetSTRING(ctx, s->left, s->right);
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ XTextProperty textprop;
+ if (XwcTextListToTextProperty(d, (wchar_t**)value, 1,
+ XCompoundTextStyle, &textprop)
+ < Success) {
+ XtFree(*value);
+ return (False);
+ }
+ XtFree(*value);
+ *value = (XtPointer)textprop.value;
+ *length = textprop.nitems;
+ }
+ else
+ *length = strlen(*value);
+ }
+ else {
+ *value = XtMalloc((salt->length + 1) * sizeof(unsigned char));
+ strcpy (*value, salt->contents);
+ *length = salt->length;
+ }
+ /* Got *value,*length, now in COMPOUND_TEXT format. */
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ if (*type == XA_STRING) {
+ XTextProperty textprop;
+ wchar_t **wlist;
+ int count;
+
+ textprop.encoding = XA_COMPOUND_TEXT(d);
+ textprop.value = (unsigned char *)*value;
+ textprop.nitems = strlen(*value);
+ textprop.format = 8;
+ if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
+ < Success
+ || count < 1) {
+ XtFree(*value);
+ return (False);
+ }
+ XtFree(*value);
+ if (XwcTextListToTextProperty(d, wlist, 1, XStringStyle, &textprop)
+ < Success) {
+ XwcFreeStringList((wchar_t**)wlist);
+ return (False);
+ }
+ *value = (XtPointer)textprop.value;
+ *length = textprop.nitems;
+ XwcFreeStringList((wchar_t**) wlist);
+ }
+ else if (*type == XA_UTF8_STRING(d)) {
+ XTextProperty textprop;
+ char **list;
+ int count;
+
+ textprop.encoding = XA_COMPOUND_TEXT(d);
+ textprop.value = (unsigned char *)*value;
+ textprop.nitems = strlen(*value);
+ textprop.format = 8;
+ if (Xutf8TextPropertyToTextList(d, &textprop, &list, &count)
+ < Success
+ || count < 1) {
+ XtFree(*value);
+ return (False);
+ }
+ XtFree(*value);
+ *value = *list;
+ *length = strlen(*list);
+ XFree(list);
+ }
+ }
+ *format = 8;
+ return (True);
+ }
+
+ if (*target == XA_LIST_LENGTH(d) || *target == XA_LENGTH(d)) {
+ long *temp;
+
+ temp = (long *)XtMalloc(sizeof(long));
+ if (*target == XA_LIST_LENGTH(d))
+ *temp = 1L;
+ else /* *target == XA_LENGTH(d) */
+ *temp = (long)(s->right - s->left);
+
+ *value = (XPointer)temp;
+ *type = XA_INTEGER;
+ *length = 1L;
+ *format = 32;
+ return (True);
+ }
+
+ if (*target == XA_CHARACTER_POSITION(d)) {
+ long *temp;
+
+ temp = (long *) XtMalloc(2 * sizeof(long));
+ temp[0] = (long)(s->left + 1);
+ temp[1] = s->right;
+ *value = (XPointer)temp;
+ *type = XA_SPAN(d);
+ *length = 2L;
+ *format = 32;
+ return (True);
+ }
+
+ if (*target == XA_DELETE(d)) {
+ if (!salt)
+ _XawTextZapSelection(ctx, NULL, True);
+ *value = NULL;
+ *type = XA_NULL(d);
+ *length = 0;
+ *format = 32;
+ return (True);
+ }
+
+ if (XmuConvertStandardSelection(w, ctx->text.time, selection, target, type,
+ (XPointer *)value, length, format))
+ return (True);
+
+ return (False);
+}
+
+static void
+LoseSelection(Widget w, Atom *selection)
+{
+ _LoseSelection(w, selection, NULL, NULL);
+}
+
+static void
+_LoseSelection(Widget w, Atom *selection, char **contents, int *length)
+{
+ TextWidget ctx = (TextWidget)w;
+ Atom *atomP;
+ int i;
+ XawTextSelectionSalt *salt, *prevSalt, *nextSalt;
+
+ prevSalt = 0;
+ for (salt = ctx->text.salt2; salt; salt = nextSalt) {
+ atomP = salt->s.selections;
+ nextSalt = salt->next;
+ for (i = 0 ; i < salt->s.atom_count; i++, atomP++)
+ if (*selection == *atomP)
+ *atomP = (Atom)0;
+
+ while (salt->s.atom_count
+ && salt->s.selections[salt->s.atom_count-1] == 0)
+ salt->s.atom_count--;
+
+ /*
+ * Must walk the selection list in opposite order from UnsetSelection.
+ */
+ atomP = salt->s.selections;
+ for (i = 0 ; i < salt->s.atom_count; i++, atomP++)
+ if (*atomP == (Atom)0) {
+ *atomP = salt->s.selections[--salt->s.atom_count];
+
+ while (salt->s.atom_count
+ && salt->s.selections[salt->s.atom_count-1] == 0)
+ salt->s.atom_count--;
+ }
+ if (salt->s.atom_count == 0) {
+#ifndef OLDXAW
+ if (contents == NULL) {
+ XawTextKillRing *kill_ring = XtNew(XawTextKillRing);
+
+ kill_ring->next = xaw_text_kill_ring;
+ kill_ring->contents = salt->contents;
+ kill_ring->length = salt->length;
+ kill_ring->format = XawFmt8Bit;
+ xaw_text_kill_ring = kill_ring;
+ kill_ring_prev.next = xaw_text_kill_ring;
+
+ if (++num_kill_rings > MAX_KILL_RINGS) {
+ XawTextKillRing *tail = NULL;
+
+ while (kill_ring->next) {
+ tail = kill_ring;
+ kill_ring = kill_ring->next;
+ }
+ if (kill_ring->refcount == 0) {
+ --num_kill_rings;
+ tail->next = NULL;
+ XtFree(kill_ring->contents);
+ XtFree((char*)kill_ring);
+ }
+ }
+ }
+ else {
+ *contents = salt->contents;
+ *length = salt->length;
+ }
+#endif
+ if (prevSalt)
+ prevSalt->next = nextSalt;
+ else
+ ctx->text.salt2 = nextSalt;
+
+ XtFree((char *)salt->s.selections);
+ XtFree((char *)salt);
+ }
+ else
+ prevSalt = salt;
+ }
+}
+
+static void
+_DeleteOrKill(TextWidget ctx, XawTextPosition from, XawTextPosition to,
+ Bool kill)
+{
+ XawTextBlock text;
+
+#ifndef OLDXAW
+ if (ctx->text.kill_ring_ptr) {
+ --ctx->text.kill_ring_ptr->refcount;
+ ctx->text.kill_ring_ptr = NULL;
+ }
+#endif
+ if (kill && from < to) {
+#ifndef OLDXAW
+ Bool append = False;
+ char *ring = NULL;
+ XawTextPosition old_from = from;
+#endif
+ char *string;
+ int size = 0, length;
+ XawTextSelectionSalt *salt;
+ Atom selection = XInternAtom(XtDisplay(ctx), "SECONDARY", False);
+
+#ifndef OLDXAW
+ if (ctx->text.kill_ring == KILL_RING_APPEND) {
+ old_from = ctx->text.salt2->s.left;
+ append = True;
+ }
+ else
+ ctx->text.kill_ring = KILL_RING_BEGIN;
+
+ if (append)
+ _LoseSelection((Widget)ctx, &selection, &ring, &size);
+ else
+#endif
+ LoseSelection((Widget)ctx, &selection);
+
+ salt = (XawTextSelectionSalt*)XtMalloc(sizeof(XawTextSelectionSalt));
+ salt->s.selections = (Atom *)XtMalloc(sizeof(Atom));
+ salt->s.left = from;
+ salt->s.right = to;
+
+ string = (char *)_XawTextGetSTRING(ctx, from, to);
+
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ XTextProperty textprop;
+
+ if (XwcTextListToTextProperty(XtDisplay((Widget)ctx),
+ (wchar_t**)(&string),
+ 1, XCompoundTextStyle,
+ &textprop) < Success) {
+ XtFree(string);
+ XtFree((char*)salt->s.selections);
+ XtFree((char*)salt);
+ return;
+ }
+ XtFree(string);
+ string = (char *)textprop.value;
+ length = textprop.nitems;
+ }
+ else
+ length = strlen(string);
+
+ salt->length = length + size;
+
+#ifndef OLDXAW
+ if (!append)
+ salt->contents = string;
+ else {
+ salt->contents = XtMalloc(length + size + 1);
+ if (from >= old_from) {
+ strncpy(salt->contents, ring, size);
+ salt->contents[size] = '\0';
+ strncat(salt->contents, string, length);
+ }
+ else {
+ strncpy(salt->contents, string, length);
+ salt->contents[length] = '\0';
+ strncat(salt->contents, ring, size);
+ }
+ salt->contents[length + size] = '\0';
+ XtFree(ring);
+ XtFree(string);
+ }
+
+ kill_ring_prev.contents = salt->contents;
+ kill_ring_prev.length = salt->length;
+ kill_ring_prev.format = XawFmt8Bit;
+#else
+ salt->contents = string;
+#endif
+
+ salt->next = ctx->text.salt2;
+ ctx->text.salt2 = salt;
+
+#ifndef OLDXAW
+ if (append)
+ ctx->text.kill_ring = KILL_RING_BEGIN;
+#endif
+
+ salt->s.selections[0] = selection;
+
+ XtOwnSelection((Widget)ctx, selection, ctx->text.time,
+ ConvertSelection, LoseSelection, NULL);
+ salt->s.atom_count = 1;
+ }
+ text.length = 0;
+ text.firstPos = 0;
+
+ text.format = _XawTextFormat(ctx);
+ text.ptr = "";
+
+ if (_XawTextReplace(ctx, from, to, &text)) {
+ XBell(XtDisplay(ctx), 50);
+ return;
+ }
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = from;
+ ctx->text.showposition = TRUE;
+}
+
+static void
+DeleteOrKill(TextWidget ctx, XEvent *event, XawTextScanDirection dir,
+ XawTextScanType type, Bool include, Bool kill)
+{
+ XawTextPosition from, to;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ mult = -mult;
+ dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
+ }
+
+ StartAction(ctx, event);
+#ifndef OLDXAW
+ if (mult == 1)
+ _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True);
+#endif
+ to = SrcScan(ctx->text.source, ctx->text.insertPos,
+ type, dir, mult, include);
+
+ /*
+ * If no movement actually happened, then bump the count and try again.
+ * This causes the character position at the very beginning and end of
+ * a boundary to act correctly
+ */
+ if (to == ctx->text.insertPos)
+ to = SrcScan(ctx->text.source, ctx->text.insertPos,
+ type, dir, mult + 1, include);
+
+ if (dir == XawsdLeft) {
+ from = to;
+ to = ctx->text.insertPos;
+ }
+ else
+ from = ctx->text.insertPos;
+
+ _DeleteOrKill(ctx, from, to, kill);
+ EndAction(ctx);
+}
+
+static void
+Delete(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ if (ctx->text.s.left != ctx->text.s.right)
+ DeleteCurrentSelection(w, event, p, n);
+ else
+ DeleteBackwardChar(w, event, p, n);
+}
+
+static void
+DeleteChar(Widget w, XEvent *event, XawTextScanDirection dir)
+{
+ TextWidget ctx = (TextWidget)w;
+ short mul = MULT(ctx);
+
+ if (mul < 0) {
+ ctx->text.mult = mul = -mul;
+ dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
+ }
+ DeleteOrKill(ctx, event, dir, XawstPositions, True, False);
+#ifndef OLDXAW
+ if (mul == 1)
+ _XawSourceSetUndoErase((TextSrcObject)ctx->text.source,
+ dir == XawsdLeft ? -1 : 1);
+#endif
+}
+
+/*ARGSUSED*/
+static void
+DeleteForwardChar(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ DeleteChar(w, event, XawsdRight);
+}
+
+/*ARGSUSED*/
+static void
+DeleteBackwardChar(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ DeleteChar(w, event, XawsdLeft);
+}
+
+static void
+DeleteForwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ XawTextScanType type;
+
+ if (*num_params && (*params[0] == 'A' || *params[0] == 'a'))
+ type = XawstAlphaNumeric;
+ else
+ type = XawstWhiteSpace;
+
+ DeleteOrKill((TextWidget)w, event, XawsdRight, type, False, False);
+}
+
+static void
+DeleteBackwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ XawTextScanType type;
+
+ if (*num_params && (*params[0] == 'A' || *params[0] == 'a'))
+ type = XawstAlphaNumeric;
+ else
+ type = XawstWhiteSpace;
+
+ DeleteOrKill((TextWidget)w, event, XawsdLeft, type, False, False);
+}
+
+static void
+KillForwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ XawTextScanType type;
+
+ if (*num_params && (*params[0] == 'A' || *params[0] == 'a'))
+ type = XawstAlphaNumeric;
+ else
+ type = XawstWhiteSpace;
+
+ DeleteOrKill((TextWidget)w, event, XawsdRight, type, False, True);
+}
+
+static void
+KillBackwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ XawTextScanType type;
+
+ if (*num_params && (*params[0] == 'A' || *params[0] == 'a'))
+ type = XawstAlphaNumeric;
+ else
+ type = XawstWhiteSpace;
+
+ DeleteOrKill((TextWidget) w, event, XawsdLeft, type, False, True);
+}
+
+/*ARGSUSED*/
+static void
+KillToEndOfLine(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition end_of_line;
+ XawTextScanDirection dir = XawsdRight;
+ short mult = MULT(ctx);
+
+ if (mult < 0) {
+ dir = XawsdLeft;
+ mult = -mult;
+ }
+
+ StartAction(ctx, event);
+ end_of_line = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL,
+ dir, mult, False);
+ if (end_of_line == ctx->text.insertPos)
+ end_of_line = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL,
+ dir, mult, True);
+
+ if (dir == XawsdRight)
+ _DeleteOrKill(ctx, ctx->text.insertPos, end_of_line, True);
+ else
+ _DeleteOrKill(ctx, end_of_line, ctx->text.insertPos, True);
+ EndAction(ctx);
+}
+
+/*ARGSUSED*/
+static void
+KillToEndOfParagraph(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ DeleteOrKill((TextWidget)w, event, XawsdRight, XawstParagraph, False, True);
+}
+
+void
+_XawTextZapSelection(TextWidget ctx, XEvent *event, Bool kill)
+{
+ StartAction(ctx, event);
+ _DeleteOrKill(ctx, ctx->text.s.left, ctx->text.s.right, kill);
+ EndAction(ctx);
+}
+
+/*ARGSUSED*/
+static void
+KillCurrentSelection(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ _XawTextZapSelection((TextWidget) w, event, True);
+}
+
+#ifndef OLDXAW
+/*ARGSUSED*/
+static void
+KillRingYank(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition insertPos = ctx->text.insertPos;
+ Bool first_yank = False;
+
+ if (ctx->text.s.left != ctx->text.s.right)
+ XawTextUnsetSelection((Widget)ctx);
+
+ StartAction(ctx, event);
+
+ if (ctx->text.kill_ring_ptr == NULL) {
+ ctx->text.kill_ring_ptr = &kill_ring_prev;
+ ++ctx->text.kill_ring_ptr->refcount;
+ ctx->text.s.left = ctx->text.s.right = insertPos;
+ first_yank = True;
+ }
+ if (ctx->text.kill_ring_ptr) {
+ int mul = MULT(ctx);
+ XawTextBlock text;
+
+ if (!first_yank) {
+ if (mul < 0)
+ mul = 1;
+ --ctx->text.kill_ring_ptr->refcount;
+ while (mul--) {
+ if ((ctx->text.kill_ring_ptr = ctx->text.kill_ring_ptr->next) == NULL)
+ ctx->text.kill_ring_ptr = &kill_ring_null;
+ }
+ ++ctx->text.kill_ring_ptr->refcount;
+ }
+ text.firstPos = 0;
+ text.length = ctx->text.kill_ring_ptr->length;
+ text.ptr = ctx->text.kill_ring_ptr->contents;
+ text.format = ctx->text.kill_ring_ptr->format;
+
+ if (_XawTextReplace(ctx, ctx->text.s.left, insertPos, &text) == XawEditDone) {
+ ctx->text.kill_ring = KILL_RING_YANK;
+ ctx->text.insertPos = ctx->text.s.left + text.length;
+ }
+ }
+ else
+ XBell(XtDisplay(w), 0);
+
+ EndAction(ctx);
+}
+#endif /* OLDXAW */
+
+/*ARGSUSED*/
+static void
+DeleteCurrentSelection(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ _XawTextZapSelection((TextWidget)w, event, False);
+}
+
+#ifndef OLDXAW
+#define CHECK_SAVE() \
+ if (save && !save->ptr) \
+ save->ptr = _XawTextGetText(ctx, save->firstPos, \
+ save->firstPos + save->length)
+static Bool
+StripSpaces(TextWidget ctx, XawTextPosition left, XawTextPosition right,
+ XawTextPosition *pos, int num_pos, XawTextBlock *save)
+{
+ Bool done, space;
+ int i, cpos, count = 0;
+ XawTextBlock block, text;
+ XawTextPosition ipos, position = left, tmp = left;
+
+ text.firstPos = 0;
+ text.format = XawFmt8Bit;
+ text.ptr = " ";
+ text.length = 1;
+
+ position = XawTextSourceRead(ctx->text.source, position,
+ &block, right - left);
+ done = False;
+ space = False;
+ /* convert tabs and returns to spaces */
+ while (!done) {
+ if (XawTextFormat(ctx, XawFmt8Bit)) {
+ for (i = 0; i < block.length; i++)
+ if (block.ptr[i] == '\t' || block.ptr[i] == '\n') {
+ space = True;
+ break;
+ }
+ }
+ else {
+ wchar_t *wptr = (wchar_t*)block.ptr;
+ for (i = 0; i < block.length; i++)
+ if (wptr[i] == _Xaw_atowc('\t') || wptr[i] == _Xaw_atowc('\n')) {
+ space = True;
+ break;
+ }
+ }
+ if (space) {
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text))
+ return (False);
+ space = False;
+ }
+ tmp += i;
+ position = XawTextSourceRead(ctx->text.source, tmp,
+ &block, right - tmp);
+ if (block.length == 0 || tmp == position || tmp >= right)
+ done = True;
+ }
+
+ text.ptr = "";
+ text.length = 0;
+ position = tmp = left;
+ position = XawTextSourceRead(ctx->text.source, position,
+ &block, right - left);
+ ipos = ctx->text.insertPos;
+ done = False;
+ while (!done) {
+ if (XawTextFormat(ctx, XawFmt8Bit)) {
+ for (i = 0; i < block.length; i++)
+ if (block.ptr[i] == ' ')
+ ++count;
+ else if (count == 1)
+ count = 0;
+ else if (count)
+ break;
+ }
+ else {
+ wchar_t *wptr = (wchar_t*)block.ptr;
+ for (i = 0; i < block.length; i++)
+ if (wptr[i] == _Xaw_atowc(' '))
+ ++count;
+ else if (count == 1)
+ count = 0;
+ else if (count)
+ break;
+ }
+ if (--count > 0) {
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, tmp + i - count, tmp + i, &text))
+ return (False);
+ right -= count;
+ if (num_pos) {
+ for (cpos = 0; cpos < num_pos; cpos++) {
+ if (tmp + i - count < pos[cpos]) {
+ if (tmp + i < pos[cpos])
+ pos[cpos] -= count;
+ else
+ pos[cpos] = tmp + i - count;
+ }
+ }
+ }
+ else {
+ if (tmp + i - count < ipos) {
+ if (tmp + i < ipos)
+ ipos -= count;
+ else
+ ipos = tmp + i - count;
+ }
+ }
+ tmp += i - count;
+ }
+ else
+ tmp += i + 1;
+ count = 0;
+ position = XawTextSourceRead(ctx->text.source, tmp,
+ &block, right - tmp);
+ if (block.length == 0 || tmp == position || tmp >= right)
+ done = True;
+ }
+ if (!num_pos)
+ ctx->text.insertPos = ipos;
+
+ return (True);
+}
+
+static Bool
+Tabify(TextWidget ctx, XawTextPosition left, XawTextPosition right,
+ XawTextPosition *pos, int num_pos, XawTextBlock *save)
+{
+ Bool done, zero;
+ int i, cpos, count = 0, column = 0, offset = 0;
+ XawTextBlock text, block;
+ XawTextPosition ipos, position = left, tmp = left;
+ TextSinkObject sink = (TextSinkObject)ctx->text.sink;
+ short *char_tabs = sink->text_sink.char_tabs;
+ int tab_count = sink->text_sink.tab_count;
+ int tab_index = 0, tab_column = 0, TAB_SIZE = DEFAULT_TAB_SIZE;
+
+ text.firstPos = 0;
+ text.ptr = "\t";
+ text.format = XawFmt8Bit;
+ text.length = 1;
+
+ position = XawTextSourceRead(ctx->text.source, position,
+ &block, right - left);
+ ipos = ctx->text.insertPos;
+ done = zero = False;
+ if (tab_count)
+ TAB_SIZE = *char_tabs;
+ while (!done) {
+ if (XawTextFormat(ctx, XawFmt8Bit)) {
+ for (i = 0; i < block.length; i++) {
+ ++offset;
+ ++column;
+ if (tab_count) {
+ if (column > tab_column + char_tabs[tab_index]) {
+ TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs;
+ if (++tab_index >= tab_count) {
+ tab_column += char_tabs[tab_count - 1];
+ tab_index = 0;
+ }
+ }
+ }
+ if (block.ptr[i] == ' ') {
+ if (++count > TAB_SIZE)
+ count %= TAB_SIZE;
+ if ((tab_count && column == tab_column + char_tabs[tab_index]) ||
+ (!tab_count && column % TAB_SIZE == 0)) {
+ if (count % (TAB_SIZE + 1) > 1)
+ break;
+ else
+ count = 0;
+ }
+ }
+ else {
+ if (block.ptr[i] == '\n') {
+ zero = True;
+ break;
+ }
+ count = 0;
+ }
+ }
+ }
+ else {
+ wchar_t *wptr = (wchar_t*)block.ptr;
+ for (i = 0; i < block.length; i++) {
+ ++offset;
+ ++column;
+ if (tab_count) {
+ if (column > tab_column + char_tabs[tab_index]) {
+ TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs;
+ if (++tab_index >= tab_count) {
+ tab_column += char_tabs[tab_count - 1];
+ tab_index = 0;
+ }
+ }
+ }
+ if (wptr[i] == _Xaw_atowc(' ')) {
+ if (++count > TAB_SIZE)
+ count %= TAB_SIZE;
+ if ((tab_count && column == tab_column + char_tabs[tab_index]) ||
+ (!tab_count && column % TAB_SIZE == 0)) {
+ if (count % (TAB_SIZE + 1) > 1)
+ break;
+ else
+ count = 0;
+ }
+ }
+ else {
+ if (wptr[i] == _Xaw_atowc('\n')) {
+ zero = True;
+ break;
+ }
+ count = 0;
+ }
+ }
+ }
+ count %= TAB_SIZE + 1;
+ if (!zero && count > 1 && i < block.length) {
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, tmp + i - count + 1, tmp + i + 1, &text))
+ return (False);
+ right -= count - 1;
+ offset -= count - 1;
+ if (num_pos) {
+ for (cpos = 0; cpos < num_pos; cpos++) {
+ if (tmp + i - count + 1 < pos[cpos]) {
+ if (tmp + i + 1 < pos[cpos])
+ pos[cpos] -= count;
+ else
+ pos[cpos] = tmp + i - count + 1;
+ ++pos[cpos];
+ }
+ }
+ }
+ else {
+ if (tmp + i - count + 1 < ipos) {
+ if (tmp + i + 1 < ipos)
+ ipos -= count;
+ else
+ ipos = tmp + i - count + 1;
+ ++ipos;
+ }
+ }
+ }
+ if (count)
+ --count;
+ if (zero) {
+ count = column = 0;
+ zero = False;
+ if (tab_count) {
+ tab_column = tab_index = 0;
+ TAB_SIZE = *char_tabs;
+ }
+ }
+ else if (i < block.length)
+ count = 0;
+ tmp = left + offset;
+ position = XawTextSourceRead(ctx->text.source, tmp,
+ &block, right - tmp);
+ if (tmp == position || tmp >= right)
+ done = True;
+ }
+ if (!num_pos)
+ ctx->text.insertPos = ipos;
+
+ return (True);
+}
+
+static Bool
+Untabify(TextWidget ctx, XawTextPosition left, XawTextPosition right,
+ XawTextPosition *pos, int num_pos, XawTextBlock *save)
+{
+ Bool done, zero;
+ int i, cpos, count = 0, diff = 0;
+ XawTextBlock block, text;
+ XawTextPosition ipos, position = left, tmp = left;
+ TextSinkObject sink = (TextSinkObject)ctx->text.sink;
+ short *char_tabs = sink->text_sink.char_tabs;
+ int tab_count = sink->text_sink.tab_count;
+ int tab_index = 0, tab_column = 0, tab_base = 0;
+ static char *tabs = " ";
+
+ text.firstPos = 0;
+ text.format = XawFmt8Bit;
+ text.ptr = tabs;
+
+ position = XawTextSourceRead(ctx->text.source, position,
+ &block, right - left);
+ ipos = ctx->text.insertPos;
+ done = False;
+ zero = False;
+ while (!done) {
+ if (XawTextFormat(ctx, XawFmt8Bit))
+ for (i = 0; i < block.length; i++) {
+ if (block.ptr[i] != '\t') {
+ ++count;
+ if (block.ptr[i] == '\n') {
+ zero = True;
+ break;
+ }
+ }
+ else
+ break;
+ }
+ else {
+ wchar_t *wptr = (wchar_t*)block.ptr;
+ for (i = 0; i < block.length; i++)
+ if (wptr[i] != _Xaw_atowc('\t')) {
+ ++count;
+ if (wptr[i] != _Xaw_atowc('\n')) {
+ zero = True;
+ break;
+ }
+ }
+ else
+ break;
+ }
+ if (!zero && i < block.length) {
+ if (tab_count) {
+ while (tab_base + tab_column <= count) {
+ for (; tab_index < tab_count; ++tab_index)
+ if (tab_base + char_tabs[tab_index] > count) {
+ tab_column = char_tabs[tab_index];
+ break;
+ }
+ if (tab_index >= tab_count) {
+ tab_base += char_tabs[tab_count - 1];
+ tab_column = tab_index = 0;
+ }
+ }
+ text.length = (tab_base + tab_column) - count;
+ if (text.length > 8) {
+ int j;
+
+ text.ptr = XtMalloc(text.length);
+ for (j = 0; j < text.length; j++)
+ text.ptr[j] = ' ';
+ }
+ else
+ text.ptr = tabs;
+ }
+ else
+ text.length = DEFAULT_TAB_SIZE - (count % DEFAULT_TAB_SIZE);
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text)) {
+ if (tab_count && text.length > 8)
+ XtFree(text.ptr);
+ return (False);
+ }
+ if (tab_count && text.length > 8)
+ XtFree(text.ptr);
+ count += text.length;
+ right += text.length - 1;
+ if (num_pos) {
+ for (cpos = 0; cpos < num_pos; cpos++) {
+ if (tmp + i < pos[cpos]) {
+ if (tmp + i + 1 < pos[cpos])
+ --pos[cpos];
+ else
+ pos[cpos] = tmp + i;
+ pos[cpos] += text.length;
+ }
+ }
+ }
+ else {
+ if (tmp + i < ipos) {
+ if (tmp + i + 1 < ipos)
+ --ipos;
+ else
+ ipos = tmp + i;
+ ipos += text.length;
+ }
+ }
+ }
+ tmp = left + count + diff;
+ if (zero) {
+ diff += count;
+ count = 0;
+ zero = False;
+ if (tab_count)
+ tab_base = tab_column = tab_index = 0;
+ }
+ position = XawTextSourceRead(ctx->text.source, tmp,
+ &block, right - tmp);
+ if (tmp == position || tmp >= right)
+ done = True;
+ }
+ if (!num_pos)
+ ctx->text.insertPos = ipos;
+
+ return (True);
+}
+
+static int
+FormatText(TextWidget ctx, XawTextPosition left, Bool force,
+ XawTextPosition *pos, int num_pos)
+{
+ char *ptr = NULL;
+ Bool freepos = False, undo, paragraph = pos != NULL;
+ int i, result;
+ XawTextBlock block, *text;
+ XawTextPosition end = ctx->text.lastPos, buf[32];
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+ XawTextPosition right = SrcScan(ctx->text.source, left, XawstEOL,
+ XawsdRight, 1, False);
+
+ undo = src->textSrc.enable_undo && src->textSrc.undo_state == False;
+ if (undo) {
+ if (!pos) {
+ num_pos = src->textSrc.num_text;
+ pos = XawStackAlloc(sizeof(XawTextPosition) * num_pos, buf);
+ for (i = 0; i < num_pos; i++)
+ pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos;
+ freepos = True;
+ }
+ else
+ freepos = False;
+ src->textSrc.undo_state = True;
+ block.ptr = NULL;
+ block.firstPos = left;
+ block.length = right - left;
+ text = █
+ }
+ else
+ text = NULL;
+
+ result = DoFormatText(ctx, left, force, 1, text, pos, num_pos, paragraph);
+ if (undo && result == XawEditDone && block.ptr) {
+ char *lbuf, *rbuf;
+ unsigned llen, rlen, size;
+
+ ptr = lbuf = block.ptr;
+ llen = block.length;
+ rlen = llen + (ctx->text.lastPos - end);
+
+ block.firstPos = 0;
+ block.format = _XawTextFormat(ctx);
+
+ rbuf = _XawTextGetText(ctx, left, left + rlen);
+
+ size = XawTextFormat(ctx, XawFmtWide) ? sizeof(wchar_t) : sizeof(char);
+ if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) {
+ block.ptr = lbuf;
+ block.length = llen;
+ _XawTextReplace(ctx, left, left + rlen, &block);
+
+ src->textSrc.undo_state = False;
+ block.ptr = rbuf;
+ block.length = rlen;
+ _XawTextReplace(ctx, left, left + llen, &block);
+ }
+ else
+ src->textSrc.undo_state = False;
+ XtFree(rbuf);
+ }
+ if (undo) {
+ src->textSrc.undo_state = False;
+ if (freepos) {
+ for (i = 0; i < num_pos; i++) {
+ TextWidget tw = (TextWidget)src->textSrc.text[i];
+ tw->text.insertPos = XawMin(XawMax(0, pos[i]), tw->text.lastPos);
+ }
+ XawStackFree(pos, buf);
+ }
+ if (ptr)
+ XtFree(ptr);
+ }
+
+ return (result);
+}
+
+static int
+DoFormatText(TextWidget ctx, XawTextPosition left, Bool force, int level,
+ XawTextBlock *save, XawTextPosition *pos, int num_pos,
+ Bool paragraph)
+{
+ XawTextPosition right = SrcScan(ctx->text.source, left, XawstEOL,
+ XawsdRight, 1, False);
+ XawTextPosition position, tmp, ipos;
+ XawTextBlock block, text;
+ char buf[128];
+ wchar_t *wptr;
+ int i, count, cpos;
+ Bool done, force2 = force, recurse = False;
+
+ position = XawTextSourceRead(ctx->text.source, left, &block, right - left);
+ if (block.length == 0 || left >= right ||
+ (level == 1 && ((XawTextFormat(ctx, XawFmt8Bit) &&
+ block.ptr[0] != ' ' &&
+ block.ptr[0] != '\t' &&
+ !isalnum(*(unsigned char*)block.ptr)) ||
+ (XawTextFormat(ctx, XawFmtWide) &&
+ _Xaw_atowc(XawSP) != *(wchar_t*)block.ptr &&
+ _Xaw_atowc(XawTAB) != *(wchar_t*)block.ptr &&
+ !iswalnum(*(wchar_t*)block.ptr)))))
+ return (XawEditDone);
+
+ if (level == 1 && !paragraph) {
+ tmp = ctx->text.lastPos;
+ if (Untabify(ctx, left, right, pos, num_pos, save) == False)
+ return (XawEditError);
+ right += ctx->text.lastPos - tmp;
+ position = XawTextSourceRead(ctx->text.source, left, &block,
+ right - left);
+ }
+
+ text.firstPos = 0;
+ text.format = XawFmt8Bit;
+
+ ipos = ctx->text.insertPos;
+ count = 0;
+ done = False;
+ while (!done) {
+ if (XawTextFormat(ctx, XawFmt8Bit)) {
+ for (i = 0; i < block.length; i++)
+ if (block.ptr[i] == ' ')
+ ++count;
+ else {
+ done = True;
+ break;
+ }
+ }
+ else {
+ wptr = (wchar_t*)block.ptr;
+ for (i = 0; i < block.length; i++)
+ if (wptr[i] == _Xaw_atowc(' '))
+ ++count;
+ else {
+ done = True;
+ break;
+ }
+ }
+ tmp = position;
+ position = XawTextSourceRead(ctx->text.source, position,
+ &block, right - position);
+ if (tmp == position)
+ done = True;
+ }
+ position = left + count;
+ if (count < ctx->text.left_column) {
+ int bytes = ctx->text.left_column - count;
+
+ text.ptr = XawStackAlloc(bytes, buf);
+ text.length = bytes;
+ for (i = 0; i < bytes; i++)
+ text.ptr[i] = ' ';
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, left, left, &text)) {
+ XawStackFree(text.ptr, buf);
+ return (XawEditError);
+ }
+ XawStackFree(text.ptr, buf);
+ right += bytes;
+ if (num_pos) {
+ for (cpos = 0; cpos < num_pos; cpos++)
+ if (pos[cpos] >= left)
+ pos[cpos] += bytes;
+ }
+ if (ipos >= left)
+ ipos += bytes;
+ count += bytes;
+ }
+
+ done = False;
+ if (!paragraph && level == 1
+ && ipos <= right && ipos - left > ctx->text.right_column) {
+ XawTextPosition len = ctx->text.lastPos;
+ int skip = ctx->text.justify == XawjustifyRight
+ || ctx->text.justify == XawjustifyCenter ?
+ ctx->text.left_column : count;
+
+ if (pos)
+ for (i = 0; i < num_pos; i++)
+ if (pos[i] == ipos)
+ break;
+
+ StripSpaces(ctx, left + skip, right, pos, num_pos, save);
+ right += ctx->text.lastPos - len;
+ if (pos && i < num_pos)
+ ipos = pos[i];
+ else
+ ipos = ctx->text.insertPos;
+ done = ipos - left > ctx->text.right_column;
+ count = skip + (count == skip + 1);
+ }
+ if ((paragraph || done) && right - left > ctx->text.right_column) {
+ position = tmp = right;
+ XawTextSourceRead(ctx->text.source, position - 1, &block, 1);
+ if (block.length &&
+ ((XawTextFormat(ctx, XawFmt8Bit) &&
+ block.ptr[0] == ' ') ||
+ (XawTextFormat(ctx, XawFmtWide) &&
+ _Xaw_atowc(XawSP) == *(wchar_t*)block.ptr)))
+ --position;
+ while (position - left > ctx->text.right_column) {
+ tmp = position;
+ position = SrcScan(ctx->text.source, position,
+ XawstWhiteSpace, XawsdLeft, 1, True);
+ }
+ if (position <= left + ctx->text.left_column)
+ position = tmp;
+ if (position > left && position - left > ctx->text.left_column
+ && position != right) {
+ text.ptr = "\n";
+ text.length = 1;
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, position, position + 1, &text))
+ return (XawEditError);
+ right = position;
+ recurse = True;
+ force = True;
+ }
+ }
+
+ if (force) {
+ if (ctx->text.justify == XawjustifyCenter)
+ count = ctx->text.right_column - (count - ctx->text.left_column);
+ else
+ count = ctx->text.right_column;
+ if (count > right - left)
+ count -= right - left;
+ else
+ count = 0;
+ }
+ else
+ count = 0;
+ if (count > 0) {
+ switch (ctx->text.justify) {
+ case XawjustifyLeft:
+ break;
+ case XawjustifyRight:
+ case XawjustifyCenter:
+ if (ctx->text.justify == XawjustifyCenter) {
+ int alnum = 0;
+
+ if (!(count & 1)) {
+ XawTextSourceRead(ctx->text.source, right, &block, 1);
+ if ((XawTextFormat(ctx, XawFmt8Bit)
+ && isalnum(*(unsigned char*)block.ptr)) ||
+ (XawTextFormat(ctx, XawFmtWide)
+ && iswalnum(*(wchar_t*)block.ptr)))
+ alnum = 1;
+ }
+ count = (count + alnum) >> 1;
+ }
+ text.ptr = XawStackAlloc(count, buf);
+ text.length = count;
+ for (i = 0; i < count; i++)
+ text.ptr[i] = ' ';
+ CHECK_SAVE();
+ if (_XawTextReplace(ctx, left, left, &text)) {
+ XawStackFree(text.ptr, buf);
+ return (XawEditError);
+ }
+ XawStackFree(text.ptr, buf);
+ position += count;
+ right += count;
+ if (num_pos) {
+ for (cpos = 0; cpos < num_pos; cpos++)
+ if (pos[cpos] > left)
+ pos[cpos] += count;
+ }
+ else if (ipos > left)
+ ipos += count;
+ break;
+ case XawjustifyFull:
+ i = 0;
+ tmp = left;
+ /*CONSTCOND*/
+ while (True) {
+ tmp = SrcScan(ctx->text.source, tmp, XawstWhiteSpace,
+ XawsdRight, 1, True);
+ if (tmp < right)
+ ++i;
+ else
+ break;
+ }
+ if (i) {
+ double inc, ii;
+ int bytes, steps;
+
+ bytes = count;
+ inc = ii = (count + .5) / (double)i;
+
+ steps = count;
+ text.ptr = XawStackAlloc(steps, buf);
+ for (i = 0; i < steps; i++)
+ text.ptr[i] = ' ';
+ tmp = left;
+ CHECK_SAVE();
+ while (bytes) {
+ steps = 1;
+ while (inc + ii < 1) {
+ ++steps;
+ inc += ii;
+ }
+ tmp = SrcScan(ctx->text.source, tmp, XawstWhiteSpace,
+ XawsdRight, steps, True);
+ if (bytes > inc)
+ text.length = (int)inc;
+ else
+ text.length = bytes;
+ bytes -= text.length;
+ if (_XawTextReplace(ctx, tmp, tmp, &text)) {
+ XawStackFree(buf, text.ptr);
+ return (XawEditError);
+ }
+ if (num_pos) {
+ for (cpos = 0; cpos < num_pos; cpos++)
+ if (tmp <= pos[cpos])
+ pos[cpos] += text.length;
+ }
+ else if (tmp <= ipos)
+ ipos += text.length;
+ inc -= (int)inc;
+ inc += ii;
+ }
+ position += count;
+ right += count;
+ XawStackFree(buf, text.ptr);
+ }
+ break;
+ }
+ }
+
+ if (!num_pos)
+ ctx->text.insertPos = XawMin(ipos, ctx->text.lastPos);
+
+ return (recurse ? DoFormatText(ctx, position + 1,
+ ctx->text.justify != XawjustifyFull
+ && (force2 || paragraph),
+ ++level, save, pos, num_pos, paragraph)
+ : XawEditDone);
+}
+#undef CHECK_SAVE
+
+/*ARGSUSED*/
+static void
+Indent(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+ XawTextPosition from, to, tmp, end = 0, *pos, *posbuf[32];
+ char buf[32];
+ XawTextBlock text;
+ int i, spaces = MULT(ctx);
+ char *lbuf = NULL, *rbuf;
+ unsigned llen = 0, rlen, size;
+ Bool undo = src->textSrc.enable_undo && src->textSrc.undo_state == False;
+ Bool format = ctx->text.auto_fill
+ && ctx->text.left_column < ctx->text.right_column;
+
+ text.firstPos = 0;
+ text.format = XawFmt8Bit;
+ text.ptr = "";
+
+ StartAction(ctx, event);
+
+ pos = XawStackAlloc(sizeof(XawTextPosition) * src->textSrc.num_text, posbuf);
+ for (i = 0; i < src->textSrc.num_text; i++)
+ pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos;
+
+ if (!GetBlockBoundaries(ctx, &from, &to)) {
+ EndAction(ctx);
+ XawStackFree(pos, posbuf);
+ return;
+ }
+
+ if (undo) {
+ llen = to - from;
+ end = ctx->text.lastPos;
+ lbuf = _XawTextGetText(ctx, from, to);
+ src->textSrc.undo_state = True;
+ }
+
+ tmp = ctx->text.lastPos;
+ if (!Untabify(ctx, from, to, pos, src->textSrc.num_text, NULL)) {
+ XBell(XtDisplay(ctx), 0);
+ EndAction(ctx);
+ XawStackFree(pos, posbuf);
+ if (undo) {
+ src->textSrc.undo_state = True;
+ XtFree(lbuf);
+ }
+ return;
+ }
+ to += ctx->text.lastPos - tmp;
+
+ tmp = from;
+
+ if (spaces > 0) {
+ text.ptr = XawStackAlloc(spaces, buf);
+ for (i = 0; i < spaces; i++)
+ text.ptr[i] = ' ';
+
+ text.length = spaces;
+ while (tmp < to) {
+ _XawTextReplace(ctx, tmp, tmp, &text);
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ if (tmp < pos[i])
+ pos[i] += spaces;
+
+ to += spaces;
+ tmp = SrcScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True);
+ }
+ XawStackFree(text.ptr, buf);
+ }
+ else {
+ int min = 32767;
+
+ text.length = 0;
+ tmp = from;
+
+ /* find the amount of spaces to cut */
+ while (tmp < to) {
+ (void)BlankLine(w, tmp, &i);
+ if (i < min)
+ min = i;
+ tmp = SrcScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True);
+ }
+ spaces = XawMin(-spaces, min);
+
+ /* cut the spaces */
+ tmp = from;
+ while (tmp < to) {
+ _XawTextReplace(ctx, tmp, tmp + spaces, &text);
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ if (tmp < pos[i]) {
+ if (tmp + spaces < pos[i])
+ pos[i] -= spaces;
+ else
+ pos[i] = tmp;
+ }
+
+ to -= spaces;
+ tmp = SrcScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True);
+ }
+ }
+
+ if (!format)
+ Tabify(ctx, from, to, pos, src->textSrc.num_text, NULL);
+
+ if (undo) {
+ rlen = llen + (ctx->text.lastPos - end);
+ rbuf = _XawTextGetText(ctx, from, from + rlen);
+
+ text.format = _XawTextFormat(ctx);
+ size = XawTextFormat(ctx, XawFmtWide) ? sizeof(wchar_t) : sizeof(char);
+ if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) {
+ text.ptr = lbuf;
+ text.length = llen;
+ _XawTextReplace(ctx, from, from + rlen, &text);
+
+ src->textSrc.undo_state = False;
+ text.ptr = rbuf;
+ text.length = rlen;
+ _XawTextReplace(ctx, from, from + llen, &text);
+ }
+ else
+ src->textSrc.undo_state = False;
+ XtFree(lbuf);
+ XtFree(rbuf);
+ }
+
+ for (i = 0; i < src->textSrc.num_text; i++) {
+ TextWidget tw = (TextWidget)src->textSrc.text[i];
+
+ tw->text.insertPos = XawMin(XawMax(0, pos[i]), tw->text.lastPos);
+ }
+ XawStackFree(pos, posbuf);
+ ctx->text.showposition = True;
+
+ EndAction(ctx);
+}
+
+/*ARGSUSED*/
+static void
+ToggleOverwrite(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ ctx->text.overwrite = !ctx->text.overwrite;
+
+ /* call information callback */
+ _XawTextSetLineAndColumnNumber(ctx, True);
+}
+#endif /* OLDXAW */
+
+/*
+ * Insertion Routines
+ */
+static int
+InsertNewLineAndBackupInternal(TextWidget ctx)
+{
+ int count, error = XawEditDone, mult = MULT(ctx);
+#ifndef OLDXAW
+ XawTextPosition position;
+#endif
+ XawTextBlock text;
+ char buf[32];
+
+ if (mult < 0) {
+ ctx->text.mult = 1;
+ return (XawEditError);
+ }
+
+ text.format = _XawTextFormat(ctx);
+ text.length = mult;
+ text.firstPos = 0;
+
+ if (text.format == XawFmtWide) {
+ wchar_t *wptr;
+
+ text.ptr = XawStackAlloc(sizeof(wchar_t) * mult, buf);
+ wptr = (wchar_t *)text.ptr;
+ for (count = 0; count < mult; count++)
+ wptr[count] = _Xaw_atowc(XawLF);
+ }
+ else {
+ text.ptr = XawStackAlloc(sizeof(char) * mult, buf);
+ for (count = 0; count < mult; count++)
+ text.ptr[count] = XawLF;
+ }
+
+#ifndef OLDXAW
+ position = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstEOL, XawsdLeft, 1, False);
+#endif
+ if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) {
+ XBell( XtDisplay(ctx), 50);
+ error = XawEditError;
+ }
+ else {
+ ctx->text.showposition = TRUE;
+ ctx->text.insertPos += text.length;
+ }
+
+ XawStackFree(text.ptr, buf);
+
+#ifndef OLDXAW
+ if (ctx->text.auto_fill && error == XawEditDone)
+ (void)FormatText(ctx, position, ctx->text.justify != XawjustifyFull,
+ NULL, 0);
+#endif
+
+ return (error);
+}
+
+/*ARGSUSED*/
+static void
+InsertNewLineAndBackup(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition insertPos = ctx->text.insertPos;
+
+ StartAction((TextWidget)w, event);
+ (void)InsertNewLineAndBackupInternal(ctx);
+ ctx->text.insertPos = SrcScan(ctx->text.source, insertPos, XawstEOL,
+ XawsdRight, 1, False);
+ EndAction((TextWidget)w);
+}
+
+static int
+LocalInsertNewLine(TextWidget ctx, XEvent *event)
+{
+ int error;
+
+ StartAction(ctx, event);
+ error = InsertNewLineAndBackupInternal(ctx);
+ ctx->text.from_left = -1;
+ EndAction(ctx);
+
+ return (error);
+}
+
+/*ARGSUSED*/
+static void
+InsertNewLine(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ (void)LocalInsertNewLine((TextWidget)w, event);
+}
+
+/*ARGSUSED*/
+static void
+InsertNewLineAndIndent(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ XawTextBlock text;
+ XawTextPosition pos1;
+ int length;
+ TextWidget ctx = (TextWidget)w;
+ String line_to_ip;
+
+ StartAction(ctx, event);
+ pos1 = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstEOL, XawsdLeft, 1, False);
+
+ line_to_ip = _XawTextGetText(ctx, pos1, ctx->text.insertPos);
+
+ text.format = _XawTextFormat(ctx);
+ text.firstPos = 0;
+
+ if (text.format == XawFmtWide) {
+ wchar_t *ptr;
+
+ text.ptr = XtMalloc((2 + wcslen((wchar_t*)line_to_ip))
+ * sizeof(wchar_t));
+ ptr = (wchar_t*)text.ptr;
+ ptr[0] = _Xaw_atowc(XawLF);
+ wcscpy((wchar_t*)++ptr, (wchar_t*)line_to_ip);
+
+ length = wcslen((wchar_t*)text.ptr);
+ while (length && (iswspace(*ptr) || *ptr == _Xaw_atowc(XawTAB)))
+ ptr++, length--;
+ *ptr = (wchar_t)0;
+ text.length = wcslen((wchar_t*)text.ptr);
+ }
+ else {
+ char *ptr;
+
+ length = strlen(line_to_ip);
+ text.ptr = XtMalloc((2 + length) * sizeof(char));
+ ptr = text.ptr;
+ ptr[0] = XawLF;
+ strcpy(++ptr, line_to_ip);
+
+ length++;
+ while (length && (isspace(*ptr) || (*ptr == XawTAB)))
+ ptr++, length--;
+ *ptr = '\0';
+ text.length = strlen(text.ptr);
+ }
+ XtFree(line_to_ip);
+
+ if (_XawTextReplace(ctx,ctx->text.insertPos, ctx->text.insertPos, &text)) {
+ XBell(XtDisplay(ctx), 50);
+ XtFree(text.ptr);
+ EndAction(ctx);
+ return;
+ }
+
+ XtFree(text.ptr);
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert,
+ XawstPositions, XawsdRight, text.length, True);
+ EndAction(ctx);
+}
+
+/*
+ * Selection Routines
+ */
+static void
+SelectWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition l, r;
+
+ StartAction(ctx, event);
+ l = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstWhiteSpace, XawsdLeft, 1, False);
+ r = SrcScan(ctx->text.source, l, XawstWhiteSpace, XawsdRight, 1, False);
+ _XawTextSetSelection(ctx, l, r, params, *num_params);
+ EndAction(ctx);
+}
+
+static void
+SelectAll(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ StartAction(ctx, event);
+ _XawTextSetSelection(ctx,zeroPosition,ctx->text.lastPos,params,*num_params);
+ EndAction(ctx);
+}
+
+static void
+ModifySelection(TextWidget ctx, XEvent *event,
+ XawTextSelectionMode mode,
+ XawTextSelectionAction action,
+ String *params, Cardinal *num_params)
+{
+#ifndef OLDXAW
+ int old_y = ctx->text.ev_y;
+#endif
+
+ StartAction(ctx, event);
+ NotePosition(ctx, event);
+
+#ifndef OLDXAW
+ if (event->type == MotionNotify) {
+ if (ctx->text.ev_y <= ctx->text.margin.top) {
+ if (old_y >= ctx->text.ev_y)
+ XawTextScroll(ctx, -1, 0);
+ }
+ else if (ctx->text.ev_y >= XtHeight(ctx) - ctx->text.margin.bottom) {
+ if (old_y <= ctx->text.ev_y
+ && !IsPositionVisible(ctx, ctx->text.lastPos))
+ XawTextScroll(ctx, 1, 0);
+ }
+ }
+#endif
+ ctx->text.from_left = -1;
+ _XawTextAlterSelection(ctx, mode, action, params, num_params);
+
+ EndAction(ctx);
+}
+
+static void
+SelectStart(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+#ifndef OLDXAW
+ if (!ctx->text.selection_state) {
+ ctx->text.selection_state = True;
+#endif
+ ModifySelection(ctx, event,
+ XawsmTextSelect, XawactionStart, params, num_params);
+#ifndef OLDXAW
+ }
+#endif
+}
+
+static void
+SelectAdjust(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+#ifndef OLDXAW
+ if (ctx->text.selection_state)
+#endif
+ ModifySelection(ctx, event,
+ XawsmTextSelect, XawactionAdjust, params, num_params);
+}
+
+static void
+SelectEnd(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+#ifndef OLDXAW
+ if (ctx->text.selection_state) {
+ ctx->text.selection_state = False;
+#endif
+ ModifySelection(ctx, event,
+ XawsmTextSelect, XawactionEnd, params, num_params);
+#ifndef OLDXAW
+ }
+#endif
+}
+
+static void
+ExtendStart(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+#ifndef OLDXAW
+ if (!ctx->text.selection_state) {
+ ctx->text.selection_state = True;
+#endif
+ ModifySelection(ctx, event,
+ XawsmTextExtend, XawactionStart, params, num_params);
+#ifndef OLDXAW
+ }
+#endif
+}
+
+static void
+ExtendAdjust(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+#ifndef OLDXAW
+ if (ctx->text.selection_state)
+#endif
+ ModifySelection(ctx, event,
+ XawsmTextExtend, XawactionAdjust, params, num_params);
+}
+
+static void
+ExtendEnd(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+#ifndef OLDXAW
+ if (ctx->text.selection_state) {
+ ctx->text.selection_state = False;
+#endif
+ ModifySelection(ctx, event,
+ XawsmTextExtend, XawactionEnd, params, num_params);
+#ifndef OLDXAW
+ }
+#endif
+}
+
+static void
+SelectSave(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ int num_atoms;
+ Atom *sel;
+ Display *dpy = XtDisplay(w);
+ Atom selections[256];
+
+ StartAction((TextWidget)w, event);
+ num_atoms = *num_params;
+ if (num_atoms > 256)
+ num_atoms = 256;
+ for (sel=selections; --num_atoms >= 0; sel++, params++)
+ *sel = XInternAtom(dpy, *params, False);
+ num_atoms = *num_params;
+ _XawTextSaltAwaySelection((TextWidget)w, selections, num_atoms);
+ EndAction((TextWidget)w);
+}
+
+/*
+ * Misc. Routines
+ */
+/*ARGSUSED*/
+static void
+SetKeyboardFocus(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ Widget shell, parent;
+
+ shell = parent = w;
+ while (parent) {
+ if (XtIsShell(shell = parent))
+ break;
+ parent = XtParent(parent);
+ }
+ XtSetKeyboardFocus(shell, w);
+}
+
+/*ARGSUSED*/
+static void
+RedrawDisplay(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ StartAction((TextWidget)w, event);
+ _XawTextClearAndCenterDisplay((TextWidget)w);
+ EndAction((TextWidget)w);
+}
+
+/* This is kind of a hack, but, only one text widget can have focus at
+ * a time on one display. There is a problem in the implementation of the
+ * text widget, the scrollbars can not be adressed via editres, since they
+ * are not children of a subclass of composite.
+ * The focus variable is required to make sure only one text window will
+ * show a block cursor at one time.
+ */
+struct _focus { Display *display; Widget widget; };
+static struct _focus *focus;
+static Cardinal num_focus;
+
+/*ARGSUSED*/
+static void
+DestroyFocusCallback(Widget w, XtPointer user_data, XtPointer call_data)
+{
+ struct _focus *f = (struct _focus*)(user_data);
+
+ if (f->widget == w)
+ f->widget = NULL;
+}
+
+/*ARGSUSED*/
+static void
+TextFocusIn(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ Bool display_caret = ctx->text.display_caret;
+ int i;
+
+ if (event->xfocus.detail == NotifyPointer)
+ return;
+
+ if (event->xfocus.send_event) {
+ Window root, child;
+ int rootx, rooty, x, y;
+ unsigned int mask;
+
+ if (ctx->text.hasfocus)
+ return;
+
+ if (XQueryPointer(XtDisplay(w), XtWindow(w), &root, &child,
+ &rootx, &rooty, &x, &y, &mask)) {
+ if (child)
+ return;
+ }
+ }
+
+ /* Let the input method know focus has arrived. */
+ _XawImSetFocusValues(w, NULL, 0);
+
+ if (display_caret)
+ StartAction(ctx, event);
+ ctx->text.hasfocus = TRUE;
+ if (display_caret)
+ EndAction(ctx);
+
+ for (i = 0; i < num_focus; i++)
+ if (focus[i].display == XtDisplay(w))
+ break;
+ if (i >= num_focus) {
+ focus = (struct _focus*)
+ XtRealloc((XtPointer)focus, sizeof(struct _focus) * (num_focus + 1));
+ i = num_focus;
+ focus[i].widget = NULL;
+ focus[i].display = XtDisplay(w);
+ num_focus++;
+ }
+ if (focus[i].widget != w) {
+ Widget old = focus[i].widget;
+
+ focus[i].widget = w;
+ if (old != NULL) {
+ TextFocusOut(old, event, p, n);
+ /* TextFocusOut may set it to NULL */
+ focus[i].widget = w;
+ }
+ XtAddCallback(w, XtNdestroyCallback,
+ DestroyFocusCallback, (XtPointer)&focus[i]);
+ }
+}
+
+/*ARGSUSED*/
+static void
+TextFocusOut(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ Bool display_caret = ctx->text.display_caret;
+ Widget shell;
+ Window window;
+ int i, revert;
+
+ shell = w;
+ while (shell) {
+ if (XtIsShell(shell))
+ break;
+ shell = XtParent(shell);
+ }
+
+ for (i = 0; i < num_focus; i++)
+ if (focus[i].display == XtDisplay(w))
+ break;
+ XGetInputFocus(XtDisplay(w), &window, &revert);
+ if ((XtWindow(shell) == window &&
+ (i < num_focus && focus[i].widget == w))
+ || event->xfocus.detail == NotifyPointer)
+ return;
+
+ if (i < num_focus && focus[i].widget) {
+ XtRemoveCallback(focus[i].widget, XtNdestroyCallback,
+ DestroyFocusCallback, (XtPointer)&focus[i]);
+ focus[i].widget = NULL;
+ }
+
+ /* Let the input method know focus has left.*/
+ _XawImUnsetFocus(w);
+
+ if (display_caret)
+ StartAction(ctx, event);
+ ctx->text.hasfocus = FALSE;
+ if (display_caret)
+ EndAction(ctx);
+}
+
+/*ARGSUSED*/
+static void
+TextEnterWindow(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ if ((event->xcrossing.detail != NotifyInferior) && event->xcrossing.focus
+ && !ctx->text.hasfocus)
+ _XawImSetFocusValues(w, NULL, 0);
+}
+
+/*ARGSUSED*/
+static void
+TextLeaveWindow(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ if ((event->xcrossing.detail != NotifyInferior) && event->xcrossing.focus
+ && !ctx->text.hasfocus)
+ _XawImUnsetFocus(w);
+}
+
+/*
+ * Function:
+ * AutoFill
+ * Arguments: ctx - The text widget.
+ *
+ * Description:
+ * Breaks the line at the previous word boundry when
+ * called inside InsertChar.
+ */
+static void
+AutoFill(TextWidget ctx)
+{
+ int width, height, x, line_num, max_width;
+ XawTextPosition ret_pos;
+ XawTextBlock text;
+ XRectangle cursor;
+ wchar_t wc_buf[2];
+
+ for (line_num = 0; line_num < ctx->text.lt.lines ; line_num++)
+ if (ctx->text.lt.info[line_num].position >= ctx->text.insertPos)
+ break;
+ if (line_num)
+ line_num--; /* backup a line. */
+
+ XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
+ max_width = Max(0, (int)XtWidth(ctx) - RHMargins(ctx) - cursor.width);
+
+ x = ctx->text.r_margin.left;
+ XawTextSinkFindPosition(ctx->text.sink, ctx->text.lt.info[line_num].position,
+ x, max_width, True, &ret_pos,
+ &width, &height);
+
+ if (ret_pos <= ctx->text.lt.info[line_num].position
+ || ret_pos >= ctx->text.insertPos || ret_pos < 1)
+ return;
+
+ XawTextSourceRead(ctx->text.source, ret_pos - 1, &text, 1);
+
+ if (XawTextFormat(ctx, XawFmtWide)) {
+ wc_buf[0] = *(wchar_t *)text.ptr;
+ if (wc_buf[0] != _Xaw_atowc(XawSP) && wc_buf[0] != _Xaw_atowc(XawTAB))
+ /* Only eats white spaces */
+ return;
+
+ text.format = XawFmtWide;
+ text.ptr = (char *)wc_buf;
+ wc_buf[0] = _Xaw_atowc(XawLF);
+ wc_buf[1] = 0;
+ }
+ else {
+ if (text.ptr[0] != XawSP && text.ptr[0] != XawTAB)
+ /* Only eats white spaces */
+ return;
+
+ text.format = XawFmt8Bit;
+ text.ptr = "\n";
+ }
+ text.length = 1;
+ text.firstPos = 0;
+
+ if (_XawTextReplace(ctx, ret_pos - 1, ret_pos, &text))
+ XBell(XtDisplay((Widget)ctx), 0);
+
+ if (++ctx->text.insertPos > ctx->text.lastPos)
+ ctx->text.insertPos = ctx->text.lastPos;
+}
+
+/*ARGSUSED*/
+static void
+InsertChar(Widget w, XEvent *event, String *p, Cardinal *n)
+{
+ TextWidget ctx = (TextWidget)w;
+ char *ptr, strbuf[128], ptrbuf[512];
+ int count, error, mult = MULT(ctx);
+ KeySym keysym;
+ XawTextBlock text;
+#ifndef OLDXAW
+ Bool format = False;
+#endif
+ XawTextPosition from, to;
+
+ if (XtIsSubclass (ctx->text.source, (WidgetClass) multiSrcObjectClass))
+ text.length = _XawImWcLookupString(w, &event->xkey, (wchar_t*)strbuf,
+ sizeof(strbuf), &keysym);
+ else
+ text.length = _XawLookupString(w, (XKeyEvent*)event, strbuf,
+ sizeof(strbuf), &keysym);
+
+ if (text.length == 0)
+ return;
+
+ if (mult < 0) {
+ ctx->text.mult = 1;
+ return;
+ }
+
+ text.format = _XawTextFormat(ctx);
+ if (text.format == XawFmtWide) {
+ text.ptr = ptr = XawStackAlloc(sizeof(wchar_t) * text.length
+ * mult, ptrbuf);
+ for (count = 0; count < mult; count++) {
+ memcpy((char*)ptr, (char *)strbuf, sizeof(wchar_t) * text.length);
+ ptr += sizeof(wchar_t) * text.length;
+ }
+#ifndef OLDXAW
+ if (mult == 1)
+ format = ctx->text.left_column < ctx->text.right_column;
+#endif
+ }
+ else { /* == XawFmt8Bit */
+ text.ptr = ptr = XawStackAlloc(text.length * mult, ptrbuf);
+ for (count = 0; count < mult; count++) {
+ strncpy(ptr, strbuf, text.length);
+ ptr += text.length;
+ }
+#ifndef OLDXAW
+ if (mult == 1)
+ format = ctx->text.left_column < ctx->text.right_column;
+#endif
+ }
+
+ text.length = text.length * mult;
+ text.firstPos = 0;
+
+ StartAction(ctx, event);
+#ifndef OLDXAW
+ if (mult == 1)
+ _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True);
+#endif
+
+ from = ctx->text.insertPos;
+#ifndef OLDXAW
+ if (ctx->text.overwrite) {
+ XawTextPosition tmp;
+
+ to = from + mult;
+ tmp = SrcScan(ctx->text.source, from, XawstEOL, XawsdRight, 1, False);
+ if (to > tmp)
+ to = tmp;
+ }
+ else
+#endif
+ to = from;
+
+ error = _XawTextReplace(ctx, from , to, &text);
+
+ if (error == XawEditDone) {
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert,
+ XawstPositions, XawsdRight,
+ text.length, True);
+ if (ctx->text.auto_fill) {
+#ifndef OLDXAW
+ if (format)
+ (void)FormatText(ctx, SrcScan(ctx->text.source,
+ ctx->text.insertPos, XawstEOL,
+ XawsdLeft, 1, False), False,
+ NULL, 0);
+ else
+#endif
+ AutoFill(ctx);
+ }
+ }
+ else
+ XBell(XtDisplay(ctx), 50);
+
+ XawStackFree(text.ptr, ptrbuf);
+ EndAction(ctx);
+
+ if (error == XawEditDone && text.format == XawFmt8Bit && text.length == 1
+ && (text.ptr[0] == ')' || text.ptr[0] == ']' || text.ptr[0] == '}')
+ && ctx->text.display_caret) {
+ static struct timeval tmval = {0, 500000};
+ fd_set fds;
+ Widget source = ctx->text.source;
+ XawTextPosition insertPos = ctx->text.insertPos, pos, tmp, last;
+ char left, right = text.ptr[0];
+ int level = 0;
+ XtAppContext app_context = XtWidgetToApplicationContext(w);
+
+ left = right == ')' ? '(' : right == ']' ? '[' : '{';
+
+ last = insertPos - 1;
+ do {
+ text.ptr[0] = left;
+ pos = XawTextSourceSearch(source, last, XawsdLeft, &text);
+ if (pos == XawTextSearchError || !IsPositionVisible(ctx, pos))
+ return;
+ text.ptr[0] = right;
+ tmp = pos;
+ do {
+ tmp = XawTextSourceSearch(source, tmp, XawsdRight, &text);
+ if (tmp == XawTextSearchError)
+ return;
+ if (tmp <= last)
+ ++level;
+ } while (++tmp <= last);
+ --level;
+ last = pos;
+ } while (level);
+
+ StartAction(ctx, NULL);
+#ifndef OLDXAW
+ _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True);
+#endif
+ ctx->text.insertPos = pos;
+ EndAction(ctx);
+
+ XSync(XtDisplay(w), False);
+ while (XtAppPending(app_context) & XtIMXEvent) {
+ XEvent ev;
+ if (! XtAppPeekEvent(app_context, &ev))
+ break;
+ if (ev.type == KeyPress || ev.type == ButtonPress)
+ break;
+ XtAppProcessEvent(app_context, XtIMXEvent);
+ }
+ FD_ZERO(&fds);
+ FD_SET(ConnectionNumber(XtDisplay(w)), &fds);
+ (void)select(FD_SETSIZE, &fds, NULL, NULL, &tmval);
+ if (tmval.tv_usec != 500000)
+ usleep(40000);
+
+ StartAction(ctx, NULL);
+#ifndef OLDXAW
+ _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True);
+#endif
+ ctx->text.insertPos = insertPos;
+ EndAction(ctx);
+ }
+}
+
+/* IfHexConvertHexElseReturnParam() - called by InsertString
+ *
+ * i18n requires the ability to specify multiple characters in a hexa-
+ * decimal string at once. Since Insert was already too long, I made
+ * this a seperate routine.
+ *
+ * A legal hex string in MBNF: '0' 'x' ( HEX-DIGIT HEX-DIGIT )+ '\0'
+ *
+ * WHEN: the passed param is a legal hex string
+ * RETURNS: a pointer to that converted, null terminated hex string;
+ * len_return holds the character count of conversion result
+ *
+ * WHEN: the passed param is not a legal hex string:
+ * RETURNS: the parameter passed;
+ * len_return holds the char count of param.
+ *
+ * NOTE: In neither case will there be strings to free. */
+static char *
+IfHexConvertHexElseReturnParam(char *param, int *len_return)
+{
+ char *p; /* steps through param char by char */
+ char c; /* holds the character pointed to by p */
+ int ind; /* steps through hexval buffer char by char */
+ static char hexval[XawTextActionMaxHexChars];
+ Boolean first_digit;
+
+ /* reject if it doesn't begin with 0x and at least one more character. */
+ if ((param[0] != '0') || (param[1] != 'x') || (param[2] == '\0')) {
+ *len_return = strlen(param);
+ return(param);
+ }
+
+ /* Skip the 0x; go character by character shifting and adding. */
+ first_digit = True;
+ ind = 0;
+ hexval[ind] = '\0';
+
+ for (p = param+2; (c = *p) != '\0'; p++) {
+ hexval[ind] *= 16;
+ if (c >= '0' && c <= '9')
+ hexval[ind] += c - '0';
+ else if (c >= 'a' && c <= 'f')
+ hexval[ind] += c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ hexval[ind] += c - 'A' + 10;
+ else
+ break;
+
+ /* If we didn't break in preceding line, it was a good hex char. */
+ if (first_digit)
+ first_digit = False;
+ else {
+ first_digit = True;
+ if (++ind < XawTextActionMaxHexChars)
+ hexval[ind] = '\0';
+ else {
+ *len_return = strlen(param);
+ return(param);
+ }
+ }
+ }
+
+ /* We quit the above loop becasue we hit a non hex. If that char is \0... */
+ if ((c == '\0') && first_digit) {
+ *len_return = strlen(hexval);
+ return (hexval); /* ...it was a legal hex string, so return it */
+ }
+
+ /* Else, there were non-hex chars or odd digit count, so... */
+
+ *len_return = strlen(param);
+ return (param); /* ...return the verbatim string. */
+}
+
+/* InsertString() - action
+ *
+ * Mostly rewritten for R6 i18n.
+ *
+ * Each parameter, in turn, will be insert at the inputPos
+ * and the inputPos advances to the insertion's end.
+ *
+ * The exception is that parameters composed of the two
+ * characters 0x, followed only by an even number of
+ * hexadecimal digits will be converted to characters */
+/*ARGSUSED*/
+static void
+InsertString(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ XtAppContext app_con = XtWidgetToApplicationContext(w);
+ XawTextBlock text;
+ int i;
+
+ text.firstPos = 0;
+ text.format = _XawTextFormat(ctx);
+
+ StartAction(ctx, event);
+ for (i = *num_params; i; i--, params++) { /* DO FOR EACH PARAMETER */
+ text.ptr = IfHexConvertHexElseReturnParam(*params, &text.length);
+
+ if (text.length == 0)
+ continue;
+
+ if (XawTextFormat(ctx, XawFmtWide)) { /* convert to WC */
+ int temp_len;
+
+ text.ptr = (char*)_XawTextMBToWC(XtDisplay(w), text.ptr,
+ &text.length);
+
+ if (text.ptr == NULL) { /* conversion error */
+ XtAppWarningMsg(app_con,
+ "insertString", "textAction", "XawError",
+ "insert-string()'s parameter contents "
+ "not legal in this locale.",
+ NULL, NULL);
+ ParameterError(w, *params);
+ continue;
+ }
+
+ /* Double check that the new input is legal: try to convert to MB. */
+
+ temp_len = text.length; /* _XawTextWCToMB's 3rd arg is in_out */
+ if (_XawTextWCToMB(XtDisplay(w), (wchar_t*)text.ptr, &temp_len)
+ == NULL) {
+ XtAppWarningMsg( app_con,
+ "insertString", "textAction", "XawError",
+ "insert-string()'s parameter contents "
+ "not legal in this locale.",
+ NULL, NULL);
+ ParameterError(w, *params);
+ continue;
+ }
+ } /* convert to WC */
+
+ if (_XawTextReplace(ctx, ctx->text.insertPos,
+ ctx->text.insertPos, &text)) {
+ XBell(XtDisplay(ctx), 50);
+ EndAction(ctx);
+ return;
+ }
+
+ ctx->text.from_left = -1;
+ /* Advance insertPos to the end of the string we just inserted. */
+ ctx->text.insertPos = SrcScan(ctx->text.source, ctx->text.old_insert,
+ XawstPositions, XawsdRight, text.length,
+ True);
+
+ } /* DO FOR EACH PARAMETER */
+
+ EndAction(ctx);
+}
+
+/* DisplayCaret() - action
+ *
+ * The parameter list should contain one boolean value. If the
+ * argument is true, the cursor will be displayed. If false, not.
+ *
+ * The exception is that EnterNotify and LeaveNotify events may
+ * have a second argument, "always". If they do not, the cursor
+ * is only affected if the focus member of the event is true. */
+static void
+DisplayCaret(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ Bool display_caret = True;
+
+ if ((event->type == EnterNotify || event->type == LeaveNotify)
+ && ((*num_params >= 2) && (strcmp(params[1], "always") == 0))
+ && (!event->xcrossing.focus))
+ return;
+
+ if (*num_params > 0) { /* default arg is "True" */
+ XrmValue from, to;
+ from.size = strlen(from.addr = params[0]);
+ XtConvert(w, XtRString, &from, XtRBoolean, &to);
+
+ if (to.addr != NULL)
+ display_caret = *(Boolean*)to.addr;
+ if (ctx->text.display_caret == display_caret)
+ return;
+ }
+ StartAction(ctx, event);
+ ctx->text.display_caret = display_caret;
+ EndAction(ctx);
+}
+
+#ifndef OLDXAW
+static void
+Numeric(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ if (ctx->text.numeric) {
+ long mult = ctx->text.mult;
+
+ if (*num_params != 1 || strlen(params[0]) != 1
+ || (!isdigit(params[0][0])
+ && (params[0][0] != '-' || mult != 0))) {
+ char err_buf[256];
+
+ if (event && (event->type == KeyPress || event->type == KeyRelease)
+ && params[0][0] == '-') {
+ InsertChar(w, event, params, num_params);
+ return;
+ }
+ XmuSnprintf(err_buf, sizeof(err_buf),
+ "numeric: Invalid argument%s'%s'",
+ *num_params ? ", " : "", *num_params ? params[0] : "");
+ XtAppWarning(XtWidgetToApplicationContext(w), err_buf);
+ ctx->text.numeric = False;
+ ctx->text.mult = 1;
+ return;
+ }
+ if (params[0][0] == '-') {
+ ctx->text.mult = 32767;
+ return;
+ }
+ else if (mult == 32767) {
+ mult = ctx->text.mult = - (params[0][0] - '0');
+ return;
+ }
+ else {
+ mult = mult * 10 + (params[0][0] - '0') * (mult < 0 ? -1 : 1);
+ ctx->text.mult = ctx->text.mult * 10 + (params[0][0] - '0') *
+ (mult < 0 ? -1 : 1);
+ }
+ if (mult != ctx->text.mult || mult >= 32767) { /* checks for overflow */
+ XBell(XtDisplay(w), 0);
+ ctx->text.mult = 1;
+ ctx->text.numeric = False;
+ return;
+ }
+ }
+ else
+ InsertChar(w, event, params, num_params);
+}
+
+/*ARGSUSED*/
+static void
+KeyboardReset(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+
+ ctx->text.numeric = False;
+ ctx->text.mult = 1;
+
+ (void)_XawTextSrcToggleUndo((TextSrcObject)ctx->text.source);
+
+ if (ctx->text.kill_ring_ptr) {
+ --ctx->text.kill_ring_ptr->refcount;
+ ctx->text.kill_ring_ptr = NULL;
+ }
+ ctx->text.kill_ring = 0;
+
+ XBell(XtDisplay(w), 0);
+}
+#endif /* OLDXAW */
+
+/* Multiply() - action
+ *
+ * The parameter list may contain either a number or the string 'Reset'.
+ *
+ * A number will multiply the current multiplication factor by that number.
+ * Many of the text widget actions will will perform n actions, where n is
+ * the multiplication factor.
+ *
+ * The string reset will reset the mutiplication factor to 1. */
+/*ARGSUSED*/
+static void
+Multiply(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ int mult;
+
+ if (*num_params != 1) {
+ XtAppError(XtWidgetToApplicationContext(w),
+ "Xaw Text Widget: multiply() takes exactly one argument.");
+ XBell(XtDisplay(w), 0);
+ return;
+ }
+
+ if ((params[0][0] == 'r') || (params[0][0] == 'R')) {
+ XBell(XtDisplay(w), 0);
+#ifndef OLDXAW
+ ctx->text.numeric = False;
+#endif
+ ctx->text.mult = 1;
+ return;
+ }
+
+#ifndef OLDXAW
+ if (params[0][0] == 's' || params[0][0] == 'S') {
+ ctx->text.numeric = True;
+ ctx->text.mult = 0;
+ return;
+ }
+ else
+#endif
+ if ((mult = atoi(params[0])) == 0) {
+ char buf[BUFSIZ];
+
+ XmuSnprintf(buf, sizeof(buf),
+ "%s %s", "Xaw Text Widget: multiply() argument",
+ "must be a number greater than zero, or 'Reset'.");
+ XtAppError(XtWidgetToApplicationContext(w), buf);
+ XBell(XtDisplay(w), 50);
+ return;
+ }
+
+ ctx->text.mult *= mult;
+}
+
+/* StripOutOldCRs() - called from FormRegion
+ *
+ * removes CRs in widget ctx, from from to to.
+ *
+ * RETURNS: the new ending location (we may add some characters),
+ * or XawReplaceError if the widget can't be written to. */
+static XawTextPosition
+StripOutOldCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to,
+ XawTextPosition *pos, int num_pos)
+{
+ XawTextPosition startPos, endPos, eop_begin, eop_end, temp;
+ Widget src = ctx->text.source;
+ XawTextBlock text;
+ char *buf;
+ static wchar_t wc_two_spaces[3];
+ int idx;
+
+ /* Initialize our TextBlock with two spaces. */
+ text.firstPos = 0;
+ text.format = _XawTextFormat(ctx);
+ if (text.format == XawFmt8Bit)
+ text.ptr= " ";
+ else {
+ wc_two_spaces[0] = _Xaw_atowc(XawSP);
+ wc_two_spaces[1] = _Xaw_atowc(XawSP);
+ wc_two_spaces[2] = 0;
+ text.ptr = (char*)wc_two_spaces;
+ }
+
+ /* Strip out CR's. */
+ eop_begin = eop_end = startPos = endPos = from;
+
+ /* CONSTCOND */
+ while (TRUE) {
+ endPos=SrcScan(src, startPos, XawstEOL, XawsdRight, 1, False);
+
+ temp = SrcScan(src, endPos, XawstWhiteSpace, XawsdLeft, 1, False);
+ temp = SrcScan(src, temp, XawstWhiteSpace, XawsdRight,1, False);
+
+ if (temp > startPos)
+ endPos = temp;
+
+ if (endPos >= to)
+ break;
+
+ if (endPos >= eop_begin) {
+ startPos = eop_end;
+ eop_begin=SrcScan(src, startPos, XawstParagraph,
+ XawsdRight, 1,False);
+ eop_end = SrcScan(src, startPos, XawstParagraph,
+ XawsdRight, 1, True);
+ }
+ else {
+ XawTextPosition periodPos, next_word;
+ int i, len;
+
+ periodPos = SrcScan(src, endPos, XawstPositions,
+ XawsdLeft, 1, True);
+ next_word = SrcScan(src, endPos, XawstWhiteSpace,
+ XawsdRight, 1, False);
+
+ len = next_word - periodPos;
+
+ text.length = 1;
+ buf = _XawTextGetText(ctx, periodPos, next_word);
+ if (text.format == XawFmtWide) {
+ if (periodPos < endPos && ((wchar_t*)buf)[0] == _Xaw_atowc('.'))
+ text.length++;
+ }
+ else
+ if (periodPos < endPos && buf[0] == '.')
+ text.length++; /* Put in two spaces. */
+
+ /*
+ * Remove all extra spaces.
+ */
+ for (i = 1 ; i < len; i++)
+ if (text.format == XawFmtWide) {
+ if (!iswspace(((wchar_t*)buf)[i]) || ((periodPos + i) >= to))
+ break;
+ }
+ else if (!isspace(buf[i]) || (periodPos + i) >= to)
+ break;
+
+ XtFree(buf);
+
+ to -= (i - text.length - 1);
+ startPos = SrcScan(src, periodPos, XawstPositions,
+ XawsdRight, i, True);
+ if (_XawTextReplace(ctx, endPos, startPos, &text) != XawEditDone)
+ return (XawReplaceError);
+
+ for (idx = 0; idx < num_pos; idx++) {
+ if (endPos < pos[idx]) {
+ if (startPos < pos[idx])
+ pos[idx] -= startPos - endPos;
+ else
+ pos[idx] = endPos;
+ pos[idx] += text.length;
+ }
+ }
+
+ startPos -= i - text.length;
+ }
+ }
+
+ return (to);
+}
+
+/* InsertNewCRs() - called from FormRegion
+ *
+ * inserts new CRs for FormRegion, thus for FormParagraph action */
+static void
+InsertNewCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to,
+ XawTextPosition *pos, int num_pos)
+{
+ XawTextPosition startPos, endPos, space, eol;
+ XawTextBlock text;
+ int i, width, height, len, wwidth, idx;
+ char *buf;
+ static wchar_t wide_CR[2];
+
+ text.firstPos = 0;
+ text.length = 1;
+ text.format = _XawTextFormat(ctx);
+
+ if (text.format == XawFmt8Bit)
+ text.ptr = "\n";
+ else {
+ wide_CR[0] = _Xaw_atowc(XawLF);
+ wide_CR[1] = 0;
+ text.ptr = (char*)wide_CR;
+ }
+
+ startPos = from;
+
+ wwidth = (int)XtWidth(ctx) - (int)HMargins(ctx);
+ if (ctx->text.wrap != XawtextWrapNever) {
+ XRectangle cursor;
+
+ XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
+ wwidth -= (int)cursor.width;
+ }
+ wwidth = XawMax(0, wwidth);
+
+ /* CONSTCOND */
+ while (TRUE) {
+ XawTextSinkFindPosition(ctx->text.sink, startPos,
+ (int)ctx->text.r_margin.left, wwidth,
+ True, &eol, &width, &height);
+ if (eol == startPos)
+ ++eol;
+ if (eol >= to)
+ break;
+
+ eol = SrcScan(ctx->text.source, eol, XawstPositions,
+ XawsdLeft, 1, True);
+ space = SrcScan(ctx->text.source, eol, XawstWhiteSpace,
+ XawsdRight,1, True);
+
+ startPos = endPos = eol;
+ if (eol == space)
+ return;
+
+ len = (int)(space - eol);
+ buf = _XawTextGetText(ctx, eol, space);
+ for (i = 0 ; i < len ; i++)
+ if (text.format == XawFmtWide) {
+ if (!iswspace(((wchar_t*)buf)[i]))
+ break;
+ }
+ else if (!isspace(buf[i]))
+ break;
+
+ to -= (i - 1);
+ endPos = SrcScan(ctx->text.source, endPos,
+ XawstPositions, XawsdRight, i, True);
+ XtFree(buf);
+
+ if (_XawTextReplace(ctx, startPos, endPos, &text))
+ return;
+
+ for (idx = 0; idx < num_pos; idx++) {
+ if (startPos < pos[idx]) {
+ if (endPos < pos[idx])
+ pos[idx] -= endPos - startPos;
+ else
+ pos[idx] = startPos;
+ pos[idx] += text.length;
+ }
+ }
+
+ startPos = SrcScan(ctx->text.source, startPos,
+ XawstPositions, XawsdRight, 1, True);
+ }
+}
+
+/* FormRegion() - called by FormParagraph
+ *
+ * oversees the work of paragraph-forming a region
+ *
+ * Return:
+ * XawEditDone if successful, or XawReplaceError
+ */
+static int
+FormRegion(TextWidget ctx, XawTextPosition from, XawTextPosition to,
+ XawTextPosition *pos, int num_pos)
+{
+#ifndef OLDXAW
+ Bool format = ctx->text.auto_fill
+ && ctx->text.left_column < ctx->text.right_column;
+#endif
+
+ if (from >= to)
+ return (XawEditDone);
+
+#ifndef OLDXAW
+ if (format) {
+ XawTextPosition len = ctx->text.lastPos;
+ int inc = 0;
+
+ if (ctx->text.justify == XawjustifyLeft ||
+ ctx->text.justify == XawjustifyFull) {
+ Untabify(ctx, from, to, pos, num_pos, NULL);
+ to += ctx->text.lastPos - len;
+ len = ctx->text.insertPos;
+ (void)BlankLine((Widget)ctx, from, &inc);
+ if (from + inc >= to)
+ return (XawEditDone);
+ }
+ if (!StripSpaces(ctx, from + inc, to, pos, num_pos, NULL))
+ return (XawReplaceError);
+ to += ctx->text.lastPos - len;
+
+ FormatText(ctx, from, ctx->text.justify != XawjustifyFull, pos, num_pos);
+ }
+ else {
+#endif
+ if ((to = StripOutOldCRs(ctx, from, to, pos, num_pos)) == XawReplaceError)
+ return (XawReplaceError);
+ InsertNewCRs(ctx, from, to, pos, num_pos);
+#ifndef OLDXAW
+ }
+#endif
+ ctx->text.from_left = -1;
+
+ return (XawEditDone);
+}
+
+#ifndef OLDXAW
+static Bool
+BlankLine(Widget w, XawTextPosition pos, int *blanks_return)
+{
+ int i, blanks = 0;
+ XawTextBlock block;
+ Widget src = XawTextGetSource(w);
+ XawTextPosition l = SrcScan(src, pos, XawstEOL, XawsdLeft, 1, False);
+ XawTextPosition r = SrcScan(src, pos, XawstEOL, XawsdRight, 1, False);
+
+ while (l < r) {
+ l = XawTextSourceRead(src, l, &block, r - l);
+ if (block.length == 0) {
+ if (blanks_return)
+ *blanks_return = blanks;
+ return (True);
+ }
+ if (XawTextFormat((TextWidget)w, XawFmt8Bit)) {
+ for (i = 0; i < block.length; i++, blanks++)
+ if (block.ptr[i] != ' ' &&
+ block.ptr[i] != '\t') {
+ if (blanks_return)
+ *blanks_return = blanks;
+ return (block.ptr[i] == '\n');
+ }
+ }
+ else if (XawTextFormat((TextWidget)w, XawFmtWide)) {
+ for (i = 0; i < block.length; i++, blanks++)
+ if (_Xaw_atowc(XawSP) != ((wchar_t*)block.ptr)[i] &&
+ _Xaw_atowc(XawTAB) != ((wchar_t*)block.ptr)[i]) {
+ if (blanks_return)
+ *blanks_return = blanks;
+ return (_Xaw_atowc(XawLF) == ((wchar_t*)block.ptr)[i]);
+ }
+ }
+ }
+
+ return (True);
+}
+
+static Bool
+GetBlockBoundaries(TextWidget ctx,
+ XawTextPosition *from_return, XawTextPosition *to_return)
+{
+ XawTextPosition from, to;
+
+ if (ctx->text.auto_fill && ctx->text.left_column < ctx->text.right_column) {
+ if (ctx->text.s.left != ctx->text.s.right) {
+ from = SrcScan(ctx->text.source,
+ XawMin(ctx->text.s.left, ctx->text.s.right),
+ XawstEOL, XawsdLeft, 1, False);
+ to = SrcScan(ctx->text.source,
+ XawMax(ctx->text.s.right, ctx->text.s.right),
+ XawstEOL, XawsdRight, 1, False);
+ }
+ else {
+ XawTextBlock block;
+ XawTextPosition tmp;
+ Bool first;
+
+ from = to = ctx->text.insertPos;
+
+ /* find from position */
+ first = True;
+ while (1) {
+ tmp = from;
+ from = SrcScan(ctx->text.source, from, XawstEOL, XawsdLeft,
+ 1 + !first, False);
+ XawTextSourceRead(ctx->text.source, from, &block, 1);
+ if (block.length == 0 ||
+ (XawTextFormat(ctx, XawFmt8Bit) &&
+ block.ptr[0] != ' ' &&
+ block.ptr[0] != '\t' &&
+ !isalnum(*(unsigned char*)block.ptr)) ||
+ (XawTextFormat(ctx, XawFmtWide) &&
+ _Xaw_atowc(XawSP) != *(wchar_t*)block.ptr &&
+ _Xaw_atowc(XawTAB) != *(wchar_t*)block.ptr &&
+ !iswalnum(*(wchar_t*)block.ptr)) ||
+ BlankLine((Widget)ctx, from, NULL)) {
+ from = tmp;
+ break;
+ }
+ if (from == tmp && !first)
+ break;
+ first = False;
+ }
+ if (first)
+ return (False);
+
+ /* find to position */
+ first = True;
+ while (1) {
+ tmp = to;
+ to = SrcScan(ctx->text.source, to, XawstEOL, XawsdRight,
+ 1 + !first, False);
+ XawTextSourceRead(ctx->text.source, to + (to < ctx->text.lastPos),
+ &block, 1);
+ if (block.length == 0 ||
+ (XawTextFormat(ctx, XawFmt8Bit) &&
+ block.ptr[0] != ' ' &&
+ block.ptr[0] != '\t' &&
+ !isalnum(*(unsigned char*)block.ptr)) ||
+ (XawTextFormat(ctx, XawFmtWide) &&
+ _Xaw_atowc(XawSP) != *(wchar_t*)block.ptr &&
+ _Xaw_atowc(XawTAB) != *(wchar_t*)block.ptr &&
+ !iswalnum(*(wchar_t*)block.ptr)) ||
+ BlankLine((Widget)ctx, to, NULL))
+ break;
+ if (to == tmp && !first)
+ break;
+ first = False;
+ }
+ }
+ }
+ else {
+ from = SrcScan(ctx->text.source, ctx->text.insertPos, XawstEOL,
+ XawsdLeft, 1, False);
+ if (BlankLine((Widget)ctx, from, NULL))
+ return (False);
+ from = SrcScan(ctx->text.source, from, XawstParagraph,
+ XawsdLeft, 1, False);
+ if (BlankLine((Widget)ctx, from, NULL))
+ from = SrcScan(ctx->text.source, from, XawstEOL,
+ XawsdRight, 1, True);
+ to = SrcScan(ctx->text.source, from, XawstParagraph,
+ XawsdRight, 1, False);
+ }
+
+ if (from < to) {
+ *from_return = from;
+ *to_return = to;
+ return (True);
+ }
+
+ return (False);
+}
+#endif /* OLDXAW */
+
+/* FormParagraph() - action
+ *
+ * removes and reinserts CRs to maximize line length without clipping */
+/*ARGSUSED*/
+static void
+FormParagraph(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition from, to, buf[32], *pos;
+#ifndef OLDXAW
+ XawTextPosition endPos = 0;
+ char *lbuf = NULL, *rbuf;
+ TextSrcObject src = (TextSrcObject)ctx->text.source;
+ Cardinal i;
+ Bool undo = src->textSrc.enable_undo && src->textSrc.undo_state == False;
+#endif
+
+ StartAction(ctx, event);
+
+#ifndef OLDXAW
+ pos = XawStackAlloc(sizeof(XawTextPosition) * src->textSrc.num_text, buf);
+ for (i = 0; i < src->textSrc.num_text; i++)
+ pos[i] = ((TextWidget)src->textSrc.text[i])->text.old_insert;
+#else
+ pos = buf;
+ *pos = ctx->text.old_insert;
+#endif
+
+#ifndef OLDXAW
+ if (!GetBlockBoundaries(ctx, &from, &to)) {
+ EndAction(ctx);
+ XawStackFree(pos, buf);
+ return;
+ }
+
+ if (undo) {
+ src->textSrc.undo_state = True;
+ lbuf = _XawTextGetText(ctx, from, to);
+ endPos = ctx->text.lastPos;
+ }
+
+ if (FormRegion(ctx, from, to, pos, src->textSrc.num_text) == XawReplaceError) {
+#else
+ from = SrcScan(ctx->text.source, ctx->text.insertPos,
+ XawstParagraph, XawsdLeft, 1, False);
+ to = SrcScan(ctx->text.source, from,
+ XawstParagraph, XawsdRight, 1, False);
+
+ if (FormRegion(ctx, from, to, pos, 1) == XawReplaceError) {
+#endif
+ XawStackFree(pos, buf);
+ XBell(XtDisplay(w), 0);
+#ifndef OLDXAW
+ if (undo) {
+ src->textSrc.undo_state = False;
+ XtFree(lbuf);
+ }
+#endif
+ }
+#ifndef OLDXAW
+ else if (undo) {
+ /* makes the form-paragraph only one undo/redo step */
+ unsigned llen, rlen, size;
+ XawTextBlock block;
+
+ llen = to - from;
+ rlen = llen + (ctx->text.lastPos - endPos);
+
+ block.firstPos = 0;
+ block.format = _XawTextFormat(ctx);
+
+ rbuf = _XawTextGetText(ctx, from, from + rlen);
+
+ size = XawTextFormat(ctx, XawFmtWide) ? sizeof(wchar_t) : sizeof(char);
+ if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) {
+ block.ptr = lbuf;
+ block.length = llen;
+ _XawTextReplace(ctx, from, from + rlen, &block);
+
+ src->textSrc.undo_state = False;
+ block.ptr = rbuf;
+ block.length = rlen;
+ _XawTextReplace(ctx, from, from + llen, &block);
+ }
+ else
+ src->textSrc.undo_state = False;
+ XtFree(lbuf);
+ XtFree(rbuf);
+ }
+
+ for (i = 0; i < src->textSrc.num_text; i++) {
+ TextWidget tw = (TextWidget)src->textSrc.text[i];
+
+ tw->text.old_insert = tw->text.insertPos = pos[i];
+ _XawTextBuildLineTable(tw, SrcScan((Widget)src, tw->text.lt.top, XawstEOL,
+ XawsdLeft, 1, False), False);
+ tw->text.clear_to_eol = True;
+ }
+#else
+ ctx->text.old_insert = ctx->text.insertPos = *pos;
+ _XawTextBuildLineTable(ctx, SrcScan(ctx->text.source, ctx->text.lt.top,
+ XawstEOL, XawsdLeft, 1, False), False);
+ ctx->text.clear_to_eol = True;
+#endif
+ XawStackFree(pos, buf);
+ ctx->text.showposition = True;
+
+ EndAction(ctx);
+}
+
+/* TransposeCharacters() - action
+ *
+ * Swaps the character to the left of the mark
+ * with the character to the right of the mark */
+/*ARGSUSED*/
+static void
+TransposeCharacters(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextPosition start, end;
+ XawTextBlock text;
+ char *buf;
+ int i, mult = MULT(ctx);
+
+ if (mult < 0) {
+ ctx->text.mult = 1;
+ return;
+ }
+
+ StartAction(ctx, event);
+
+ /* Get bounds. */
+
+ start = SrcScan(ctx->text.source, ctx->text.insertPos, XawstPositions,
+ XawsdLeft, 1, True);
+ end = SrcScan(ctx->text.source, ctx->text.insertPos, XawstPositions,
+ XawsdRight, mult, True);
+
+ /* Make sure we aren't at the very beginning or end of the buffer. */
+
+ if (start == ctx->text.insertPos || end == ctx->text.insertPos) {
+ XBell(XtDisplay(w), 0); /* complain. */
+ EndAction(ctx);
+ return;
+ }
+
+ ctx->text.from_left = -1;
+ ctx->text.insertPos = end;
+
+ text.firstPos = 0;
+ text.format = _XawTextFormat(ctx);
+
+ /* Retrieve text and swap the characters. */
+ if (text.format == XawFmtWide) {
+ wchar_t wc;
+ wchar_t *wbuf;
+
+ wbuf = (wchar_t*)_XawTextGetText(ctx, start, end);
+ text.length = wcslen(wbuf);
+ wc = wbuf[0];
+ for (i = 1; i < text.length; i++)
+ wbuf[i - 1] = wbuf[i];
+ wbuf[i - 1] = wc;
+ buf = (char*)wbuf; /* so that it gets assigned and freed */
+ }
+ else { /* thus text.format == XawFmt8Bit */
+ char c;
+
+ buf = _XawTextGetText(ctx, start, end);
+ text.length = strlen(buf);
+ c = buf[0];
+ for (i = 1; i < text.length; i++)
+ buf[i - 1] = buf[i];
+ buf[i - 1] = c;
+ }
+
+ text.ptr = buf;
+
+ /* Store new text in source. */
+
+ if (_XawTextReplace (ctx, start, end, &text))
+ XBell(XtDisplay(w), 0);
+ XtFree((char *)buf);
+ EndAction(ctx);
+}
+
+#ifndef OLDXAW
+/*ARGSUSED*/
+static void
+Undo(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ int mul = MULT(ctx);
+ Bool toggle = False;
+
+ if (mul < 0) {
+ toggle = True;
+ _XawTextSrcToggleUndo((TextSrcObject)ctx->text.source);
+ ctx->text.mult = mul = -mul;
+ }
+
+ StartAction(ctx, event);
+ for (; mul; --mul)
+ if (!_XawTextSrcUndo((TextSrcObject)ctx->text.source, &ctx->text.insertPos))
+ break;
+ ctx->text.showposition = True;
+
+ if (toggle)
+ _XawTextSrcToggleUndo((TextSrcObject)ctx->text.source);
+ EndAction(ctx);
+}
+#endif
+
+/* NoOp() - action
+ * This action performs no action, and allows the user or
+ * application programmer to unbind a translation.
+ *
+ * Note: If the parameter list contains the string "RingBell" then
+ * this action will ring the bell.
+ */
+/*ARGSUSED*/
+static void
+NoOp(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ if (*num_params != 1)
+ return;
+
+ switch(params[0][0]) {
+ case 'R':
+ case 'r':
+ XBell(XtDisplay(w), 0);
+ /*FALLTROUGH*/
+ default:
+ break;
+ }
+}
+
+/* Reconnect() - action
+ * This reconnects to the input method. The user will typically call
+ * this action if/when connection has been severed, or when the app
+ * was started up before an IM was started up
+ */
+/*ARGSUSED*/
+static void
+Reconnect(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ _XawImReconnect(w);
+}
+
+#define CAPITALIZE 1
+#define DOWNCASE 2
+#define UPCASE 3
+
+#ifdef NO_LIBC_I18N
+static int
+ToLower(int ch)
+{
+ char buf[2];
+
+ *buf = ch;
+ XmuNCopyISOLatin1Lowered(buf, buf, sizeof(buf));
+
+ return (*buf);
+}
+
+static int
+ToUpper(int ch)
+{
+ char buf[2];
+
+ *buf = ch;
+ XmuNCopyISOLatin1Uppered(buf, buf, sizeof(buf));
+
+ return (*buf);
+}
+
+static int
+IsAlnum(int ch)
+{
+ return ((ch >= '0' && ch <= '9') || ToUpper(ch) != ch || ToLower(ch) != ch);
+}
+
+static int
+IsLower(int ch)
+{
+ char upbuf[2];
+ char lobuf[2];
+
+ *upbuf = *lobuf = ch;
+ XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf));
+ XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf));
+
+ return (*lobuf != *upbuf && ch == *lobuf);
+}
+
+static int
+IsUpper(int ch)
+{
+ char upbuf[2];
+ char lobuf[2];
+
+ *upbuf = *lobuf = ch;
+ XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf));
+ XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf));
+
+ return (*lobuf != *upbuf && ch == *upbuf);
+}
+#else
+#define ToLower tolower
+#define ToUpper toupper
+#define IsAlnum isalnum
+#define IsLower islower
+#define IsUpper isupper
+#endif
+
+static void
+CaseProc(Widget w, XEvent *event, int cmd)
+{
+ TextWidget ctx = (TextWidget)w;
+ short mul = MULT(ctx);
+ XawTextPosition left, right;
+ XawTextBlock block;
+ Bool changed = False;
+ unsigned char ch, mb[sizeof(wchar_t)];
+ int i, count;
+
+ if (mul > 0)
+ right = SrcScan(ctx->text.source, left = ctx->text.insertPos,
+ XawstAlphaNumeric, XawsdRight, mul, False);
+ else
+ left = SrcScan(ctx->text.source, right = ctx->text.insertPos,
+ XawstAlphaNumeric, XawsdLeft, 1 + -mul, False);
+ block.firstPos = 0;
+ block.format = _XawTextFormat(ctx);
+ block.length = right - left;
+ block.ptr = _XawTextGetText(ctx, left, right);
+
+ count = 0;
+ if (block.format == XawFmt8Bit)
+ for (i = 0; i < block.length; i++) {
+ if (!IsAlnum(*mb = (unsigned char)block.ptr[i]))
+ count = 0;
+ else if (++count == 1 || cmd != CAPITALIZE) {
+ ch = cmd == DOWNCASE ? ToLower(*mb) : ToUpper(*mb);
+ if (ch != *mb) {
+ changed = True;
+ block.ptr[i] = ch;
+ }
+ }
+ else if (cmd == CAPITALIZE) {
+ if ((ch = ToLower(*mb)) != *mb) {
+ changed = True;
+ block.ptr[i] = ch;
+ }
+ }
+ }
+ else
+ for (i = 0; i < block.length; i++) {
+ wctomb((char*)mb, ((wchar_t*)block.ptr)[i]);
+ if (!IsAlnum(*mb))
+ count = 0;
+ else if (++count == 1 || cmd != CAPITALIZE) {
+ ch = cmd == DOWNCASE ? ToLower(*mb) : ToUpper(*mb);
+ if (ch != *mb) {
+ changed = True;
+ ((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch);
+ }
+ }
+ else if (cmd == CAPITALIZE) {
+ if ((ch = ToLower(*mb)) != *mb) {
+ changed = True;
+ ((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch);
+ }
+ }
+ }
+
+ StartAction(ctx, event);
+ if (changed && _XawTextReplace(ctx, left, right, &block) != XawEditDone)
+ XBell(XtDisplay(ctx), 0);
+ ctx->text.insertPos = right;
+ EndAction(ctx);
+
+ XtFree(block.ptr);
+}
+
+/*ARGSUSED*/
+static void
+CapitalizeWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CaseProc(w, event, CAPITALIZE);
+}
+
+/*ARGSUSED*/
+static void
+DowncaseWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CaseProc(w, event, DOWNCASE);
+}
+
+/*ARGSUSED*/
+static void
+UpcaseWord(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ CaseProc(w, event, UPCASE);
+}
+#undef CAPITALIZE
+#undef DOWNCASE
+#undef UPCASE
+
+XtActionsRec _XawTextActionsTable[] = {
+ /* motion */
+ {"forward-character", MoveForwardChar},
+ {"backward-character", MoveBackwardChar},
+ {"forward-word", MoveForwardWord},
+ {"backward-word", MoveBackwardWord},
+ {"forward-paragraph", MoveForwardParagraph},
+ {"backward-paragraph", MoveBackwardParagraph},
+ {"beginning-of-line", MoveToLineStart},
+ {"end-of-line", MoveToLineEnd},
+ {"next-line", MoveNextLine},
+ {"previous-line", MovePreviousLine},
+ {"next-page", MoveNextPage},
+ {"previous-page", MovePreviousPage},
+ {"beginning-of-file", MoveBeginningOfFile},
+ {"end-of-file", MoveEndOfFile},
+ {"scroll-one-line-up", ScrollOneLineUp},
+ {"scroll-one-line-down", ScrollOneLineDown},
+
+ /* delete */
+ {"delete-next-character", DeleteForwardChar},
+ {"delete-previous-character", DeleteBackwardChar},
+ {"delete-next-word", DeleteForwardWord},
+ {"delete-previous-word", DeleteBackwardWord},
+ {"delete-selection", DeleteCurrentSelection},
+ {"delete", Delete},
+
+ /* kill */
+ {"kill-word", KillForwardWord},
+ {"backward-kill-word", KillBackwardWord},
+ {"kill-selection", KillCurrentSelection},
+ {"kill-to-end-of-line", KillToEndOfLine},
+ {"kill-to-end-of-paragraph", KillToEndOfParagraph},
+
+ /* new line */
+ {"newline-and-indent", InsertNewLineAndIndent},
+ {"newline-and-backup", InsertNewLineAndBackup},
+ {"newline", InsertNewLine},
+
+ /* selection */
+ {"select-word", SelectWord},
+ {"select-all", SelectAll},
+ {"select-start", SelectStart},
+ {"select-adjust", SelectAdjust},
+ {"select-end", SelectEnd},
+ {"select-save", SelectSave},
+ {"extend-start", ExtendStart},
+ {"extend-adjust", ExtendAdjust},
+ {"extend-end", ExtendEnd},
+ {"insert-selection", InsertSelection},
+
+ /* miscellaneous */
+ {"redraw-display", RedrawDisplay},
+ {"insert-file", _XawTextInsertFile},
+ {"search", _XawTextSearch},
+ {"insert-char", InsertChar},
+ {"insert-string", InsertString},
+ {"focus-in", TextFocusIn},
+ {"focus-out", TextFocusOut},
+ {"enter-window", TextEnterWindow},
+ {"leave-window", TextLeaveWindow},
+ {"display-caret", DisplayCaret},
+ {"multiply", Multiply},
+ {"form-paragraph", FormParagraph},
+ {"transpose-characters", TransposeCharacters},
+ {"set-keyboard-focus", SetKeyboardFocus},
+#ifndef OLDXAW
+ {"numeric", Numeric},
+ {"undo", Undo},
+ {"keyboard-reset", KeyboardReset},
+ {"kill-ring-yank", KillRingYank},
+ {"toggle-overwrite", ToggleOverwrite},
+ {"indent", Indent},
+#endif
+ {"no-op", NoOp},
+
+ /* case transformations */
+ {"capitalize-word", CapitalizeWord},
+ {"downcase-word", DowncaseWord},
+ {"upcase-word", UpcaseWord},
+
+ /* action to bind translations for text dialogs */
+ {"InsertFileAction", _XawTextInsertFileAction},
+ {"DoSearchAction", _XawTextDoSearchAction},
+ {"DoReplaceAction", _XawTextDoReplaceAction},
+ {"SetField", _XawTextSetField},
+ {"PopdownSearchAction", _XawTextPopdownSearchAction},
+
+ /* reconnect to Input Method */
+ {"reconnect-im", Reconnect} /* Li Yuhong, Omron KK, 1991 */
+};
+
+Cardinal _XawTextActionsTableCount = XtNumber(_XawTextActionsTable);
diff --git a/libXaw/src/TextPop.c b/libXaw/src/TextPop.c index 4775c25d0..b96752aa0 100644 --- a/libXaw/src/TextPop.c +++ b/libXaw/src/TextPop.c @@ -1,1550 +1,1550 @@ -/* - -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* - * This file is broken up into three sections one dealing with - * each of the three popups created here: - * - * FileInsert, Search, and Replace. - * - * There is also a section at the end for utility functions - * used by all more than one of these dialogs. - * - * The following functions are the only non-static ones defined - * in this module. They are located at the begining of the - * section that contains this dialog box that uses them. - * - * void _XawTextInsertFileAction(w, event, params, num_params); - * void _XawTextDoSearchAction(w, event, params, num_params); - * void _XawTextDoReplaceAction(w, event, params, num_params); - * void _XawTextInsertFile(w, event, params, num_params); - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <errno.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Shell.h> -#include <X11/Xos.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/TextP.h> -#include <X11/Xaw/AsciiText.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/Command.h> -#include <X11/Xaw/Form.h> -#include <X11/Xaw/Toggle.h> -#include "XawI18n.h" - -static char* INSERT_FILE = "Enter Filename:"; -static char* SEARCH_LABEL_1 = "Use <Tab> to change fields."; -static char* SEARCH_LABEL_2 = "Use ^q<Tab> for <Tab>."; -static char* DISMISS_NAME = "cancel"; -#define DISMISS_NAME_LEN 6 -static char* FORM_NAME = "form"; -static char* LABEL_NAME = "label"; -static char* TEXT_NAME = "text"; - -#define R_OFFSET 1 - -typedef void (*AddFunc)(Widget, char*, Widget); - -/* - * Prototypes - */ -static void _SetField(Widget, Widget); -static void AddSearchChildren(Widget, char*, Widget); -static void AddInsertFileChildren(Widget, char*, Widget); -static void CenterWidgetOnPoint(Widget, XEvent*); -static Widget CreateDialog(Widget, String, String, AddFunc); -static void DoInsert(Widget, XtPointer, XtPointer); -static void DoReplaceAll(Widget, XtPointer, XtPointer); -static void DoReplaceOne(Widget, XtPointer, XtPointer); -static Bool DoSearch(struct SearchAndReplace*); -static Widget GetShell(Widget); -static String GetString(Widget); -static String GetStringRaw(Widget); -static void InitializeSearchWidget(struct SearchAndReplace*, - XawTextScanDirection, Bool); -static Bool InParams(String, String*, unsigned int); -static Bool InsertFileNamed(Widget, char*); -static void PopdownFileInsert(Widget, XtPointer, XtPointer); -static void PopdownSearch(Widget, XtPointer, XtPointer); -static Bool Replace(struct SearchAndReplace*, Bool, Bool); -static void SearchButton(Widget, XtPointer, XtPointer); -static void SetResource(Widget, char*, XtArgVal); -static Bool SetResourceByName(Widget, char*, char*, XtArgVal); -static void SetSearchLabels(struct SearchAndReplace*, String, String, Bool); -static void SetWMProtocolTranslations(Widget); - -/* - * Actions - */ -static void WMProtocols(Widget, XEvent*, String*, Cardinal*); - -/* - * External Actions - */ -void _XawTextDoReplaceAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextDoSearchAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextInsertFile(Widget, XEvent*, String*, Cardinal*); -void _XawTextInsertFileAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextPopdownSearchAction(Widget, XEvent*, String*, Cardinal*); -void _XawTextSearch(Widget, XEvent*, String*, Cardinal*); -void _XawTextSetField(Widget, XEvent*, String*, Cardinal*); - -/* - * From Text.c - */ -char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition); -void _XawTextShowPosition(TextWidget); - -/* - * Initialization - */ -static char radio_trans_string[] = -"<Btn1Down>,<Btn1Up>:" "set() notify()\n" -; - -static char search_text_trans[] = -"~s<Key>Return:" "DoSearchAction(Popdown)\n" -"s<Key>Return:" "DoSearchAction() SetField(Replace)\n" -"c<Key>c:" "PopdownSearchAction()\n" -"<Btn1Down>:" "select-start() SetField(Search)\n" -"<Key>Tab:" "DoSearchAction() SetField(Replace)\n" -; - -static char rep_text_trans[] = -"~s<Key>Return:" "DoReplaceAction(Popdown)\n" -"s<Key>Return:" "SetField(Search)\n" -"c<Key>c:" "PopdownSearchAction()\n" -"<Btn1Down>:" "select-start() DoSearchAction() SetField(Replace)\n" -"<Key>Tab:" "SetField(Search)\n" -; - -/* - * Implementation - */ -/* - * This section of the file contains all the functions that - * the file insert dialog box uses - */ - -/* - * Function: - * _XawTextInsertFileAction - * - * Description: - * Action routine that can be bound to dialog box's Text Widget - * that will insert a file into the main Text Widget. - */ -/*ARGSUSED*/ -void -_XawTextInsertFileAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - DoInsert(w, (XtPointer)XtParent(XtParent(XtParent(w))), NULL); -} - -/* - * Function: - * _XawTextInsertFile - * - * Parameters: - * w - text widget - * event - X Event (used to get x and y location) - * params - parameter list - * num_params - "" - * - * Description: - * Action routine that can be bound to the text widget - * it will popup the insert file dialog box. - * - * Note: - * The parameter list may contain one entry - * - * Entry: - * This entry is optional and contains the value of the default - * file to insert - */ -void -_XawTextInsertFile(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - char *ptr; - XawTextEditType edit_mode; - Arg args[1]; - - XtSetArg(args[0], XtNeditType, &edit_mode); - XtGetValues(ctx->text.source, args, 1); - - if (edit_mode != XawtextEdit) { - XBell(XtDisplay(w), 0); - return; - } - - if (*num_params == 0) - ptr = ""; - else - ptr = params[0]; - - if (!ctx->text.file_insert) { - ctx->text.file_insert = CreateDialog(w, ptr, "insertFile", - AddInsertFileChildren); - XtRealizeWidget(ctx->text.file_insert); - SetWMProtocolTranslations(ctx->text.file_insert); - } - - CenterWidgetOnPoint(ctx->text.file_insert, event); - XtPopup(ctx->text.file_insert, XtGrabNone); -} - -/* - * Function: - * PopdownFileInsert - * - * Parameters: - * w - widget that caused this action - * closure - pointer to the main text widget that popped up this dialog - * call_data - (not used) - * - * Description: - * Pops down the file insert button - */ -/*ARGSUSED*/ -static void -PopdownFileInsert(Widget w, XtPointer closure, XtPointer call_data) -{ - TextWidget ctx = (TextWidget)closure; - - XtPopdown(ctx->text.file_insert); - (void)SetResourceByName(ctx->text.file_insert, LABEL_NAME, - XtNlabel, (XtArgVal)INSERT_FILE); -} - -/* - * Function: - * DoInsert - * - * Parameters: - * w - widget that activated this callback - * closure - pointer to the text widget to insert the file into - * - * Description: - * Actually insert the file named in the text widget of the file dialog - */ -/*ARGSUSED*/ -static void -DoInsert(Widget w, XtPointer closure, XtPointer call_data) -{ - TextWidget ctx = (TextWidget)closure; - char buf[BUFSIZ], msg[BUFSIZ]; - Widget temp_widget; - - (void)XmuSnprintf(buf, sizeof(buf), "%s.%s", FORM_NAME, TEXT_NAME); - if ((temp_widget = XtNameToWidget(ctx->text.file_insert, buf)) == NULL) { - (void)strcpy(msg, - "Error: Could not get text widget from file insert popup"); - } - else if (InsertFileNamed((Widget)ctx, GetString(temp_widget))) { - PopdownFileInsert(w, closure, call_data); - return; - } - else - (void)XmuSnprintf(msg, sizeof(msg), "Error: %s", strerror(errno)); - - (void)SetResourceByName(ctx->text.file_insert, - LABEL_NAME, XtNlabel, (XtArgVal)msg); - XBell(XtDisplay(w), 0); -} - -/* - * Function: - * InsertFileNamed - * - * Parameters: - * tw - text widget to insert this file into - * str - name of the file to insert - * - * Description: - * Inserts a file into the text widget. - * - * Returns: - * True if the insert was sucessful, False otherwise. - */ -static Bool -InsertFileNamed(Widget tw, char *str) -{ - FILE *file; - XawTextBlock text; - XawTextPosition pos; - - if (str == NULL || strlen(str) == 0 || (file = fopen(str, "r")) == NULL) - return (False); - - pos = XawTextGetInsertionPoint(tw); - - fseek(file, 0L, 2); - - text.firstPos = 0; - text.length = ftell(file); - text.ptr = XtMalloc(text.length + 1); - text.format = XawFmt8Bit; - - fseek(file, 0L, 0); - if (fread(text.ptr, 1, text.length, file) != text.length) - XtErrorMsg("readError", "insertFileNamed", "XawError", - "fread returned error", NULL, NULL); - - if (XawTextReplace(tw, pos, pos, &text) != XawEditDone) { - XtFree(text.ptr); - fclose(file); - return (False); - } - pos += text.length; - XtFree(text.ptr); - fclose(file); - XawTextSetInsertionPoint(tw, pos); - _XawTextShowPosition((TextWidget)tw); - - return (True); -} - -/* - * Function: - * AddInsertFileChildren - * - * Parameters: - * form - form widget for the insert dialog widget - * ptr - pointer to the initial string for the Text Widget - * tw - main text widget - * - * Description: - * Adds all children to the InsertFile dialog widget. - */ -static void -AddInsertFileChildren(Widget form, char *ptr, Widget tw) -{ - Arg args[10]; - Cardinal num_args; - Widget label, text, cancel, insert; - XtTranslations trans; - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, INSERT_FILE); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNresizable, True); num_args++; - XtSetArg(args[num_args], XtNborderWidth, 0); num_args++; - label = XtCreateManagedWidget(LABEL_NAME, labelWidgetClass, form, - args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNfromVert, label); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainRight); num_args++; - XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++; - XtSetArg(args[num_args], XtNresizable, True); num_args++; - XtSetArg(args[num_args], XtNstring, ptr); num_args++; - text = XtCreateManagedWidget(TEXT_NAME, asciiTextWidgetClass, form, - args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Insert File"); num_args++; - XtSetArg(args[num_args], XtNfromVert, text); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - insert = XtCreateManagedWidget("insert", commandWidgetClass, form, - args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Cancel"); num_args++; - XtSetArg(args[num_args], XtNfromVert, text); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, insert); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - cancel = XtCreateManagedWidget(DISMISS_NAME, commandWidgetClass, form, - args, num_args); - - XtAddCallback(cancel, XtNcallback, PopdownFileInsert, (XtPointer)tw); - XtAddCallback(insert, XtNcallback, DoInsert, (XtPointer)tw); - - XtSetKeyboardFocus(form, text); - - /* - * Bind <CR> to insert file - */ - trans = XtParseTranslationTable("<Key>Return:InsertFileAction()"); - XtOverrideTranslations(text, trans); -} - -/* - * This section of the file contains all the functions that - * the search dialog box uses - */ -/* - * Function: - * _XawTextDoSearchAction - * - * Description: - * Action routine that can be bound to dialog box's Text Widget that - * will search for a string in the main Text Widget. - * - * Note: - * If the search was sucessful and the argument popdown is passed to - * this action routine then the widget will automatically popdown the - * search widget - */ -/*ARGSUSED*/ -void -_XawTextDoSearchAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - TextWidget tw = (TextWidget)XtParent(XtParent(XtParent(w))); - Bool popdown = False; - - if (*num_params == 1 && (params[0][0] == 'p' || params[0][0] == 'P')) - popdown = True; - - if (DoSearch(tw->text.search) && popdown) - PopdownSearch(w, (XtPointer)tw->text.search, NULL); -} - -/* - * Function: - * _XawTextPopdownSearchAction - * - * Description: - * Action routine that can be bound to dialog box's Text Widget that - * will popdown the search widget. - */ -/*ARGSUSED*/ -void -_XawTextPopdownSearchAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - TextWidget tw = (TextWidget)XtParent(XtParent(XtParent(w))); - - PopdownSearch(w, (XtPointer)tw->text.search, NULL); -} - -/* - * Function: - * PopdownSearch - * - * Parameters: - * w - (not used) - * closure - pointer to the search structure - * call_data - (not used) - * - * Description: - * Pops down the search widget and resets it - */ -/*ARGSUSED*/ -static void -PopdownSearch(Widget w, XtPointer closure, XtPointer call_data) -{ - struct SearchAndReplace *search = (struct SearchAndReplace *)closure; - - XtPopdown(search->search_popup); - SetSearchLabels(search, SEARCH_LABEL_1, SEARCH_LABEL_2, False); -} - -/* - * Function: - * SearchButton - * - * Arguments: - * w - (not used) - * closure - pointer to the search info - * call_data - (not used) - * - * Description: - * Performs a search when the button is clicked. - */ -/*ARGSUSED*/ -static void -SearchButton(Widget w, XtPointer closure, XtPointer call_data) -{ - (void)DoSearch((struct SearchAndReplace *)closure); -} - -/* - * Function: - * _XawTextSearch - * - * Parameters: - * w - text widget - * event - X Event (used to get x and y location) - * params - parameter list - * num_params - "" - * - * Description: - * Action routine that can be bound to the text widget - * it will popup the search dialog box. - * - * Note: - * The parameter list contains one or two entries that may be - * the following. - * - * First Entry: - * The first entry is the direction to search by default. - * This arguement must be specified and may have a value of - * "left" or "right". - * - * Second Entry: - * This entry is optional and contains the value of the default - * string to search for. - */ - -#define SEARCH_HEADER "Text Widget - Search():" -void -_XawTextSearch(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)w; - XawTextScanDirection dir; - char *ptr, buf[BUFSIZ]; - XawTextEditType edit_mode; - Arg args[1]; - wchar_t wcs[1]; - - if (*num_params < 1 || *num_params > 2) { - (void)XmuSnprintf(buf, sizeof(buf), "%s %s\n%s", SEARCH_HEADER, - "This action must have only", - "one or two parameters"); - XtAppWarning(XtWidgetToApplicationContext(w), buf); - return; - } - - if (*num_params == 2) - ptr = params[1]; - else if (XawTextFormat(ctx, XawFmtWide)) { - /* This just does the equivalent of - ptr = ""L, a waste because params[1] isnt W aligned */ - ptr = (char *)wcs; - wcs[0] = 0; - } - else - ptr = ""; - - switch(params[0][0]) { - case 'b': /* Left */ - case 'B': - dir = XawsdLeft; - break; - case 'f': /* Right */ - case 'F': - dir = XawsdRight; - break; - default: - (void)XmuSnprintf(buf, sizeof(buf), "%s %s\n%s", SEARCH_HEADER, - "The first parameter must be", - "Either 'backward' or 'forward'"); - XtAppWarning(XtWidgetToApplicationContext(w), buf); - return; - } - - if (ctx->text.search== NULL) { - ctx->text.search = XtNew(struct SearchAndReplace); - ctx->text.search->search_popup = CreateDialog(w, ptr, "search", - AddSearchChildren); - XtRealizeWidget(ctx->text.search->search_popup); - SetWMProtocolTranslations(ctx->text.search->search_popup); - } - else if (*num_params > 1) - XtVaSetValues(ctx->text.search->search_text, XtNstring, ptr, NULL); - - XtSetArg(args[0], XtNeditType,&edit_mode); - XtGetValues(ctx->text.source, args, 1); - - InitializeSearchWidget(ctx->text.search, dir, (edit_mode == XawtextEdit)); - - CenterWidgetOnPoint(ctx->text.search->search_popup, event); - XtPopup(ctx->text.search->search_popup, XtGrabNone); -} - -/* - * Function: - * InitializeSearchWidget - * - * Parameters: - * search - search widget structure - * dir - direction to search - * replace_active - state of the sensitivity for the replace button - * - * Description: - * This function initializes the search widget and - * is called each time the search widget is poped up. - */ -static void -InitializeSearchWidget(struct SearchAndReplace *search, - XawTextScanDirection dir, Bool replace_active) -{ - SetResource(search->rep_one, XtNsensitive, (XtArgVal)replace_active); - SetResource(search->rep_all, XtNsensitive, (XtArgVal)replace_active); - SetResource(search->rep_label, XtNsensitive, (XtArgVal)replace_active); - SetResource(search->rep_text, XtNsensitive, (XtArgVal)replace_active); - - switch (dir) { - case XawsdLeft: - SetResource(search->left_toggle, XtNstate, (XtArgVal)True); - break; - case XawsdRight: - SetResource(search->right_toggle, XtNstate, (XtArgVal)True); - break; - } -} - -/* - * Function: - * AddSearchChildren - * - * Parameters: - * form - form widget for the search widget - * ptr - pointer to the initial string for the Text Widget - * tw - main text widget - * - * Description: - * Adds all children to the Search Dialog Widget. - */ -static void -AddSearchChildren(Widget form, char *ptr, Widget tw) -{ - Arg args[10]; - Cardinal num_args; - Widget cancel, search_button, s_label, s_text, r_text; - XtTranslations trans; - struct SearchAndReplace *search = ((TextWidget)tw)->text.search; - - num_args = 0; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNresizable, True); num_args++; - XtSetArg(args[num_args], XtNborderWidth, 0); num_args++; - search->label1 = XtCreateManagedWidget("label1", labelWidgetClass, form, - args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNfromVert, search->label1); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNresizable, True); num_args++; - XtSetArg(args[num_args], XtNborderWidth, 0); num_args++; - search->label2 = XtCreateManagedWidget("label2", labelWidgetClass, form, - args, num_args); - - /* - * We need to add R_OFFSET to the radio_data, because the value zero (0) - * has special meaning - */ - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Backward"); num_args++; - XtSetArg(args[num_args], XtNfromVert, search->label2); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNradioData, (XPointer)XawsdLeft + R_OFFSET); - num_args++; - search->left_toggle = XtCreateManagedWidget("backwards", toggleWidgetClass, - form, args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Forward"); num_args++; - XtSetArg(args[num_args], XtNfromVert, search->label2); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, search->left_toggle); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNradioGroup, search->left_toggle); num_args++; - XtSetArg(args[num_args], XtNradioData, (XPointer)XawsdRight + R_OFFSET); - num_args++; - search->right_toggle = XtCreateManagedWidget("forwards", toggleWidgetClass, - form, args, num_args); - - { - XtTranslations radio_translations; - - radio_translations = XtParseTranslationTable(radio_trans_string); - XtOverrideTranslations(search->left_toggle, radio_translations); - XtOverrideTranslations(search->right_toggle, radio_translations); - } - -#ifndef OLDXAW - if (XawTextFormat((TextWidget)tw, XawFmt8Bit)) { - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Case Sensitive"); num_args++; - XtSetArg(args[num_args], XtNfromVert, search->label2); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, search->right_toggle); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNstate, True); num_args++; - search->case_sensitive = XtCreateManagedWidget("case", toggleWidgetClass, - form, args, num_args); - } - else - search->case_sensitive = NULL; -#endif - - num_args = 0; - XtSetArg(args[num_args], XtNfromVert, search->left_toggle); num_args++; - XtSetArg(args[num_args], XtNlabel, "Search for: "); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNborderWidth, 0 ); num_args++; - s_label = XtCreateManagedWidget("searchLabel", labelWidgetClass, form, - args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNfromVert, search->left_toggle); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, s_label); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainRight); num_args++; - XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++; - XtSetArg(args[num_args], XtNresizable, True); num_args++; - XtSetArg(args[num_args], XtNstring, ptr); num_args++; - s_text = XtCreateManagedWidget("searchText", asciiTextWidgetClass, form, - args, num_args); - search->search_text = s_text; - - num_args = 0; - XtSetArg(args[num_args], XtNfromVert, s_text); num_args++; - XtSetArg(args[num_args], XtNlabel, "Replace with:"); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNborderWidth, 0); num_args++; - search->rep_label = XtCreateManagedWidget("replaceLabel", labelWidgetClass, - form, args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNfromHoriz, s_label); num_args++; - XtSetArg(args[num_args], XtNfromVert, s_text); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainRight); num_args++; - XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++; - XtSetArg(args[num_args], XtNresizable, True); num_args++; - XtSetArg(args[num_args], XtNstring, ""); num_args++; - r_text = XtCreateManagedWidget("replaceText", asciiTextWidgetClass, - form, args, num_args); - search->rep_text = r_text; - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Search"); num_args++; - XtSetArg(args[num_args], XtNfromVert, r_text); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - search_button = XtCreateManagedWidget("search", commandWidgetClass, form, - args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Replace"); num_args++; - XtSetArg(args[num_args], XtNfromVert, r_text); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, search_button); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - search->rep_one = XtCreateManagedWidget("replaceOne", commandWidgetClass, - form, args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Replace All"); num_args++; - XtSetArg(args[num_args], XtNfromVert, r_text); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, search->rep_one); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - search->rep_all = XtCreateManagedWidget("replaceAll", commandWidgetClass, - form, args, num_args); - - num_args = 0; - XtSetArg(args[num_args], XtNlabel, "Cancel"); num_args++; - XtSetArg(args[num_args], XtNfromVert, r_text); num_args++; - XtSetArg(args[num_args], XtNfromHoriz, search->rep_all); num_args++; - XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; - XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; - cancel = XtCreateManagedWidget(DISMISS_NAME, commandWidgetClass, form, - args, num_args); - - XtAddCallback(search_button, XtNcallback, SearchButton, (XtPointer)search); - XtAddCallback(search->rep_one, XtNcallback, DoReplaceOne, (XtPointer)search); - XtAddCallback(search->rep_all, XtNcallback, DoReplaceAll, (XtPointer)search); - XtAddCallback(cancel, XtNcallback, PopdownSearch, (XtPointer)search); - - /* - * Initialize the text entry fields - */ - { - Pixel color; - - num_args = 0; - XtSetArg(args[num_args], XtNbackground, &color); num_args++; - XtGetValues(search->rep_text, args, num_args); - num_args = 0; - XtSetArg(args[num_args], XtNborderColor, color); num_args++; - XtSetValues(search->rep_text, args, num_args); - XtSetKeyboardFocus(form, search->search_text); - } - - SetSearchLabels(search, SEARCH_LABEL_1, SEARCH_LABEL_2, False); - - /* - * Bind Extra translations - */ - trans = XtParseTranslationTable(search_text_trans); - XtOverrideTranslations(search->search_text, trans); - - trans = XtParseTranslationTable(rep_text_trans); - XtOverrideTranslations(search->rep_text, trans); -} - -/* - * Function: - * DoSearch - * - * Parameters: - * search - search structure - * - * Description: - * Performs a search - * - * Returns: - * True if sucessful - */ -/*ARGSUSED*/ -static Bool -DoSearch(struct SearchAndReplace *search) -{ - char msg[37]; - Widget tw = XtParent(search->search_popup); - XawTextPosition pos; - XawTextScanDirection dir; - XawTextBlock text; - TextWidget ctx = (TextWidget)tw; - - text.firstPos = 0; - text.ptr = GetStringRaw(search->search_text); - if ((text.format = _XawTextFormat(ctx)) == XawFmtWide) - text.length = wcslen((wchar_t*)text.ptr); - else { - text.length = strlen(text.ptr); - -#ifndef OLDXAW - if (search->case_sensitive) { - /* text.firstPos isn't useful here, so I'll use it as an - * options flag. - */ - Arg args[1]; - Boolean case_sensitive; - - XtSetArg(args[0], XtNstate, &case_sensitive); - XtGetValues(search->case_sensitive, args, 1); - text.firstPos = !case_sensitive; - } -#endif /* OLDXAW */ - } - - dir = (XawTextScanDirection)(unsigned long) - ((XPointer)XawToggleGetCurrent(search->left_toggle) - R_OFFSET); - - pos = XawTextSearch(tw, dir, &text); - - /* The Raw string in find.ptr may be WC I can't use here, so I re - call - GetString to get a tame version */ - - if (pos == XawTextSearchError) { - char *ptr; - int len; - - ptr = GetString(search->search_text); - len = strlen(ptr); - (void)XmuSnprintf(msg, sizeof(msg), "%s", ptr); - - ptr = strchr(msg, '\n'); - if (ptr != NULL || sizeof(msg) - 1 < len) { - if (ptr != NULL) - len = ptr - msg + 4; - else - len = strlen(msg); - - if (len < 4) - strcpy(msg, "..."); - else - strcpy(msg + len - 4, "..."); - } - XawTextUnsetSelection(tw); - SetSearchLabels(search, "Could not find string", msg, True); - - return (False); - } - XawTextDisableRedisplay(tw); - XawTextSetSelection(tw, pos, pos + text.length); - search->selection_changed = False; /* selection is good */ - - if (dir == XawsdRight) - XawTextSetInsertionPoint(tw, pos + text.length); - else - XawTextSetInsertionPoint(tw, pos); - _XawTextShowPosition(ctx); - XawTextEnableRedisplay(tw); - - return (True); -} - -/* - * This section of the file contains all the functions that - * the replace dialog box uses - */ -/* - * Function: - * _XawTextDoReplaceAction - * - * Description: - * Action routine that can be bound to dialog box's - * Text Widget that will replace a string in the main Text Widget. - */ -/*ARGSUSED*/ -void -_XawTextDoReplaceAction(Widget w, XEvent *event, - String *params, Cardinal *num_params) -{ - TextWidget ctx = (TextWidget)XtParent(XtParent(XtParent(w))); - Bool popdown = False; - - if (*num_params == 1 && (params[0][0] == 'p' || params[0][0] == 'P')) - popdown = True; - - if (Replace( ctx->text.search, True, popdown) && popdown) - PopdownSearch(w, (XtPointer)ctx->text.search, NULL); -} - -/* - * Function: - * DoReplaceOne - * - * Arguments: - * w - *** Not Used *** - * closure - a pointer to the search structure - * call_data - *** Not Used *** - * - * Description: - * Replaces the first instance of the string in the search - * dialog's text widget with the one in the replace dialog's text widget. - */ -/*ARGSUSED*/ -static void -DoReplaceOne(Widget w, XtPointer closure, XtPointer call_data) -{ - Replace((struct SearchAndReplace *)closure, True, False); -} - -/* - * Function: - * DoReplaceAll - * - * Parameters: - * w - (not used) - * closure - pointer to the search structure - * call_data - (not used) - * - * Description: - * Replaces every instance of the string in the search dialog's - * text widget with the one in the replace dialog's text widget. - */ -/*ARGSUSED*/ -static void -DoReplaceAll(Widget w, XtPointer closure, XtPointer call_data) -{ - Replace((struct SearchAndReplace *)closure, False, False); -} - -/* - * Function: - * Replace - * - * Parameters: - * tw - Text Widget to replce the string in - * once_only - if True then only replace the first one found, - * else replace all of them - * show_current - if true then leave the selection on the - * string that was just replaced, otherwise - * move it onto the next one - * - * Description: - * This is the function that does the real work of - * replacing strings in the main text widget. - */ -static Bool -Replace(struct SearchAndReplace *search, Bool once_only, Bool show_current) -{ - XawTextPosition pos, new_pos, end_pos, ipos; - XawTextScanDirection dir; - XawTextBlock find, replace; - Widget tw = XtParent(search->search_popup); - int count = 0; - TextWidget ctx = (TextWidget)tw; - Bool redisplay; - - find.ptr = GetStringRaw(search->search_text); - if ((find.format = _XawTextFormat(ctx)) == XawFmtWide) - find.length = (XawTextPosition)wcslen((wchar_t*)find.ptr); - else - find.length = (XawTextPosition)strlen(find.ptr); - find.firstPos = 0; - - replace.ptr = GetStringRaw(search->rep_text); - replace.firstPos = 0; - if ((replace.format = _XawTextFormat(ctx)) == XawFmtWide) - replace.length = wcslen((wchar_t*)replace.ptr); - else - replace.length = strlen(replace.ptr); - - dir = (XawTextScanDirection)(unsigned long) - ((XPointer)XawToggleGetCurrent(search->left_toggle) - R_OFFSET); - - redisplay = !once_only || (once_only && !show_current); - ipos = XawTextGetInsertionPoint(tw); - if (redisplay) - XawTextDisableRedisplay(tw); - /*CONSTCOND*/ - while (True) { - if (count != 0) { - new_pos = XawTextSearch(tw, dir, &find); - - if (new_pos == XawTextSearchError) { - if (count == 0) { - char msg[37]; - char *ptr; - int len; - - ptr = GetString(search->search_text); - len = strlen(ptr); - (void)XmuSnprintf(msg, sizeof(msg), "%s", ptr); - ptr = strchr(msg, '\n'); - if (ptr != NULL || sizeof(msg) - 1 < len) { - if (ptr != NULL) - len = ptr - msg + 4; - else - len = strlen(msg); - - if (len < 4) - strcpy(msg, "..."); - else - strcpy(msg + len - 4, "..."); - } - SetSearchLabels(search, "Could not find string", msg, True); - - if (redisplay) { - XawTextSetInsertionPoint(tw, ipos); - _XawTextShowPosition(ctx); - XawTextEnableRedisplay(tw); - } - - return (False); - } - else - break; - } - pos = new_pos; - end_pos = pos + find.length; - } - else { - XawTextGetSelectionPos(tw, &pos, &end_pos); - - if (search->selection_changed) { - SetSearchLabels(search, "Selection modified, aborting.", - "", True); - if (redisplay) { - XawTextSetInsertionPoint(tw, ipos); - XawTextEnableRedisplay(tw); - } - - return (False); - } - if (pos == end_pos) { - if (redisplay) { - XawTextSetInsertionPoint(tw, ipos); - XawTextEnableRedisplay(tw); - } - - return (False); - } - } - - if (XawTextReplace(tw, pos, end_pos, &replace) != XawEditDone) { - SetSearchLabels(search, "Error while replacing.", "", True); - if (redisplay) { - XawTextSetInsertionPoint(tw, ipos); - XawTextEnableRedisplay(tw); - } - - return (False); - } - - if (dir == XawsdRight) - ipos = pos + replace.length; - else - ipos = pos; - - if (once_only) { - if (show_current) - break; - else { - DoSearch(search); - XawTextEnableRedisplay(tw); - - return (True); - } - } - else - ctx->text.insertPos = ipos; - count++; - } - - if (replace.length == 0) - XawTextUnsetSelection(tw); - else - XawTextSetSelection(tw, pos, pos + replace.length); - - XawTextSetInsertionPoint(tw, ipos); - _XawTextShowPosition(ctx); - XawTextEnableRedisplay(tw); - - return (True); -} - -/* - * Function: - * SetSearchLabels - * - * Parameters: - * search - search structure - * msg1 - message to put in each search label - * msg2 - "" - * bell - if True then ring bell - * - * Description: - * Sets both the search labels, and also rings the bell. - */ -static void -SetSearchLabels(struct SearchAndReplace *search, String msg1, String msg2, - Bool bell) -{ - (void)SetResource(search->label1, XtNlabel, (XtArgVal)msg1); - (void)SetResource(search->label2, XtNlabel, (XtArgVal)msg2); - if (bell) - XBell(XtDisplay(search->search_popup), 0); -} - -/* - * This section of the file contains utility routines used by - * other functions in this file - */ -/* - * Function: - * _XawTextSetField - * - * Description: - * Action routine that can be bound to dialog box's - * Text Widget that will send input to the field specified. - */ -/*ARGSUSED*/ -void -_XawTextSetField(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - struct SearchAndReplace *search; - Widget cnew, old; - - search = ((TextWidget)XtParent(XtParent(XtParent(w))))->text.search; - - if (*num_params != 1) { - SetSearchLabels(search, "Error: SetField Action must have", - "exactly one argument", True); - return; - } - switch (params[0][0]) { - case 's': - case 'S': - cnew = search->search_text; - old = search->rep_text; - break; - case 'r': - case 'R': - old = search->search_text; - cnew = search->rep_text; - break; - default: - SetSearchLabels(search, - "Error: SetField Action's first Argument must", - "be either 'Search' or 'Replace'", True); - return; - } - _SetField(cnew, old); -} - -/* - * Function: - * _SetField - * - * Parameters: - * cnew - new and old text fields - * old - "" - * - * Description: - * Sets the current text field. - */ -static void -_SetField(Widget cnew, Widget old) -{ - Arg args[2]; - Pixel new_border, old_border, old_bg; - - if (!XtIsSensitive(cnew)) { - XBell(XtDisplay(old), 0); /* Don't set field to an inactive Widget */ - return; - } - - XtSetKeyboardFocus(XtParent(cnew), cnew); - - XtSetArg(args[0], XtNborderColor, &old_border); - XtSetArg(args[1], XtNbackground, &old_bg); - XtGetValues(cnew, args, 2); - - XtSetArg(args[0], XtNborderColor, &new_border); - XtGetValues(old, args, 1); - - if (old_border != old_bg) /* Colors are already correct, return */ - return; - - SetResource(old, XtNborderColor, (XtArgVal)old_border); - SetResource(cnew, XtNborderColor, (XtArgVal)new_border); -} - -/* - * Function: - * SetResourceByName - * - * Parameters: - * shell - shell widget of the popup - * name - name of the child - * res_name - name of the resource - * value - value of the resource - * - * Description: - * Sets a resource in any of the dialog children given - * name of the child and the shell widget of the dialog. - * - * Returns: - * True if sucessful - */ -static Bool -SetResourceByName(Widget shell, char *name, char *res_name, XtArgVal value) -{ - Widget temp_widget; - char buf[BUFSIZ]; - - (void)XmuSnprintf(buf, sizeof(buf), "%s.%s", FORM_NAME, name); - - if ((temp_widget = XtNameToWidget(shell, buf)) != NULL) { - SetResource(temp_widget, res_name, value); - return (True); - } - return (False); -} - -/* - * Function: - * SetResource - * - * Parameters: - * w - widget - * res_name - name of the resource - * value - value of the resource - * - * Description: - * Sets a resource in a widget - */ -static void -SetResource(Widget w, char *res_name, XtArgVal value) -{ - Arg args[1]; - - XtSetArg(args[0], res_name, value); - XtSetValues( w, args, 1); -} - -/* - * Function: - * GetString{Raw} - * - * Parameters: - * text - text widget whose string we will get - * - * Description: - * Gets the value for the string in the popup. - * - * Returns: - * GetString: the string as a MB - * GetStringRaw: the exact buffer contents suitable for a search - */ -static String -GetString(Widget text) -{ - String string; - Arg args[1]; - - XtSetArg(args[0], XtNstring, &string); - XtGetValues(text, args, 1); - - return (string); -} - -static String -GetStringRaw(Widget tw) -{ - TextWidget ctx = (TextWidget)tw; - XawTextPosition last; - - last = XawTextSourceScan(ctx->text.source, 0, XawstAll, XawsdRight, - ctx->text.mult, True); - return (_XawTextGetText(ctx, 0, last)); -} - -/* - * Function: - * CenterWidgetOnPoint - * - * Parameters: - * w - shell widget - * event - event containing the location of the point - * - * Description: - * Centers a shell widget on a point relative to the root window. - * - * Note: - * The widget is not allowed to go off the screen - */ -static void -CenterWidgetOnPoint(Widget w, XEvent *event) -{ - Arg args[3]; - Cardinal num_args; - Dimension width, height, b_width; - Position x, y, max_x, max_y; - - if (event != NULL) { - switch (event->type) { - case ButtonPress: - case ButtonRelease: - x = event->xbutton.x_root; - y = event->xbutton.y_root; - break; - case KeyPress: - case KeyRelease: - x = event->xkey.x_root; - y = event->xkey.y_root; - break; - default: - return; - } - } - else - return; - - num_args = 0; - XtSetArg(args[num_args], XtNwidth, &width); num_args++; - XtSetArg(args[num_args], XtNheight, &height); num_args++; - XtSetArg(args[num_args], XtNborderWidth, &b_width); num_args++; - XtGetValues(w, args, num_args); - - width += b_width << 1; - height += b_width << 1; - - x -= (Position)(width >> 1); - if (x < 0) - x = 0; - if (x > (max_x = (Position)(XtScreen(w)->width - width))) - x = max_x; - - y -= (Position)(height >> 1); - if (y < 0) - y = 0; - if (y > (max_y = (Position)(XtScreen(w)->height - height))) - y = max_y; - - num_args = 0; - XtSetArg(args[num_args], XtNx, x); num_args++; - XtSetArg(args[num_args], XtNy, y); num_args++; - XtSetValues(w, args, num_args); -} - -/* - * Function: - * CreateDialog - * - * Parameters: - * parent - parent of the dialog - the main text widget - * ptr - initial_string for the dialog - * name - name of the dialog - * func - function to create the children of the dialog - * - * Returns: - * Popup shell of the dialog - * - * Note: - * The function argument is passed the following arguments: - * form - from widget that is the dialog - * ptr - initial string for the dialog's text widget - * parent - parent of the dialog - the main text widget - */ -static Widget -CreateDialog(Widget parent, String ptr, String name, AddFunc func) -{ - Widget popup, form; - Arg args[5]; - Cardinal num_args; - - num_args = 0; - XtSetArg(args[num_args], XtNiconName, name); num_args++; - XtSetArg(args[num_args], XtNgeometry, NULL); num_args++; - XtSetArg(args[num_args], XtNallowShellResize, True); num_args++; - XtSetArg(args[num_args], XtNtransientFor, GetShell(parent));num_args++; - popup = XtCreatePopupShell(name, transientShellWidgetClass, - parent, args, num_args); - - form = XtCreateManagedWidget(FORM_NAME, formWidgetClass, popup, NULL, 0); - XtManageChild (form); - - (*func)(form, ptr, parent); - - return (popup); -} - -/* - * Function - * GetShell - * nearest shell widget. - * - * Parameters: - * w - widget whose parent shell should be returned - * - * Returns: - * The shell widget among the ancestors of w that is the - * fewest levels up in the widget hierarchy. - * - * Description: - * Walks up the widget hierarchy to find the topmost shell widget. - */ -static Widget -GetShell(Widget w) -{ - while (w != NULL && !XtIsShell(w)) - w = XtParent(w); - - return (w); -} - -static Bool -InParams(String str, String *p, unsigned int n) -{ - unsigned int i; - - for (i = 0; i < n; p++, i++) - if (!XmuCompareISOLatin1(*p, str)) - return (True); - return (False); -} - -static char *WM_DELETE_WINDOW = "WM_DELETE_WINDOW"; - -static void -WMProtocols(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - Atom wm_delete_window; - Atom wm_protocols; - - wm_delete_window = XInternAtom(XtDisplay(w), WM_DELETE_WINDOW, True); - wm_protocols = XInternAtom(XtDisplay(w), "WM_PROTOCOLS", True); - - /* Respond to a recognized WM protocol request if - * event type is ClientMessage and no parameters are passed, or - * event type is ClientMessage and event data is matched to parameters, or - * event type isn't ClientMessage and parameters make a request - */ -#define DO_DELETE_WINDOW InParams(WM_DELETE_WINDOW, params, *num_params) - - if ((event->type == ClientMessage - && event->xclient.message_type == wm_protocols - && event->xclient.data.l[0] == wm_delete_window - && (*num_params == 0 || DO_DELETE_WINDOW)) - || (event->type != ClientMessage && DO_DELETE_WINDOW)) { -#undef DO_DELETE_WINDOW - Widget cancel; - char descendant[DISMISS_NAME_LEN + 2]; - - (void)XmuSnprintf(descendant, sizeof(descendant), "*%s", DISMISS_NAME); - cancel = XtNameToWidget(w, descendant); - if (cancel) - XtCallCallbacks(cancel, XtNcallback, NULL); - } -} - -static void -SetWMProtocolTranslations(Widget w) -{ - static XtTranslations compiled_table; - static XtAppContext *app_context_list; - static Cardinal list_size; - - unsigned int i; - XtAppContext app_context; - Atom wm_delete_window; - - app_context = XtWidgetToApplicationContext(w); - - /* parse translation table once */ - if (!compiled_table) - compiled_table = - XtParseTranslationTable("<Message>WM_PROTOCOLS:XawWMProtocols()\n"); - - /* add actions once per application context */ - for (i = 0; i < list_size && app_context_list[i] != app_context; i++) - ; - if (i == list_size) { - XtActionsRec actions[1]; - - actions[0].string = "XawWMProtocols"; - actions[0].proc = WMProtocols; - list_size++; - app_context_list = (XtAppContext *)XtRealloc - ((char *)app_context_list, list_size * sizeof(XtAppContext)); - XtAppAddActions(app_context, actions, 1); - app_context_list[i] = app_context; - } - - /* establish communication between the window manager and each shell */ - XtAugmentTranslations(w, compiled_table); - wm_delete_window = XInternAtom(XtDisplay(w), WM_DELETE_WINDOW, False); - (void)XSetWMProtocols(XtDisplay(w), XtWindow(w), &wm_delete_window, 1); -} +/*
+
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * This file is broken up into three sections one dealing with
+ * each of the three popups created here:
+ *
+ * FileInsert, Search, and Replace.
+ *
+ * There is also a section at the end for utility functions
+ * used by all more than one of these dialogs.
+ *
+ * The following functions are the only non-static ones defined
+ * in this module. They are located at the begining of the
+ * section that contains this dialog box that uses them.
+ *
+ * void _XawTextInsertFileAction(w, event, params, num_params);
+ * void _XawTextDoSearchAction(w, event, params, num_params);
+ * void _XawTextDoReplaceAction(w, event, params, num_params);
+ * void _XawTextInsertFile(w, event, params, num_params);
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <errno.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Shell.h>
+#include <X11/Xos.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/AsciiText.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/Command.h>
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/Toggle.h>
+#include "XawI18n.h"
+
+static char* INSERT_FILE = "Enter Filename:";
+static char* SEARCH_LABEL_1 = "Use <Tab> to change fields.";
+static char* SEARCH_LABEL_2 = "Use ^q<Tab> for <Tab>.";
+static char* DISMISS_NAME = "cancel";
+#define DISMISS_NAME_LEN 6
+static char* FORM_NAME = "form";
+static char* LABEL_NAME = "label";
+static char* TEXT_NAME = "text";
+
+#define R_OFFSET 1
+
+typedef void (*AddFunc)(Widget, char*, Widget);
+
+/*
+ * Prototypes
+ */
+static void _SetField(Widget, Widget);
+static void AddSearchChildren(Widget, char*, Widget);
+static void AddInsertFileChildren(Widget, char*, Widget);
+static void CenterWidgetOnPoint(Widget, XEvent*);
+static Widget CreateDialog(Widget, String, String, AddFunc);
+static void DoInsert(Widget, XtPointer, XtPointer);
+static void DoReplaceAll(Widget, XtPointer, XtPointer);
+static void DoReplaceOne(Widget, XtPointer, XtPointer);
+static Bool DoSearch(struct SearchAndReplace*);
+static Widget GetShell(Widget);
+static String GetString(Widget);
+static String GetStringRaw(Widget);
+static void InitializeSearchWidget(struct SearchAndReplace*,
+ XawTextScanDirection, Bool);
+static Bool InParams(String, String*, unsigned int);
+static Bool InsertFileNamed(Widget, char*);
+static void PopdownFileInsert(Widget, XtPointer, XtPointer);
+static void PopdownSearch(Widget, XtPointer, XtPointer);
+static Bool Replace(struct SearchAndReplace*, Bool, Bool);
+static void SearchButton(Widget, XtPointer, XtPointer);
+static void SetResource(Widget, char*, XtArgVal);
+static Bool SetResourceByName(Widget, char*, char*, XtArgVal);
+static void SetSearchLabels(struct SearchAndReplace*, String, String, Bool);
+static void SetWMProtocolTranslations(Widget);
+
+/*
+ * Actions
+ */
+static void WMProtocols(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * External Actions
+ */
+void _XawTextDoReplaceAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextDoSearchAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextInsertFile(Widget, XEvent*, String*, Cardinal*);
+void _XawTextInsertFileAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextPopdownSearchAction(Widget, XEvent*, String*, Cardinal*);
+void _XawTextSearch(Widget, XEvent*, String*, Cardinal*);
+void _XawTextSetField(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * From Text.c
+ */
+char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition);
+void _XawTextShowPosition(TextWidget);
+
+/*
+ * Initialization
+ */
+static char radio_trans_string[] =
+"<Btn1Down>,<Btn1Up>:" "set() notify()\n"
+;
+
+static char search_text_trans[] =
+"~s<Key>Return:" "DoSearchAction(Popdown)\n"
+"s<Key>Return:" "DoSearchAction() SetField(Replace)\n"
+"c<Key>c:" "PopdownSearchAction()\n"
+"<Btn1Down>:" "select-start() SetField(Search)\n"
+"<Key>Tab:" "DoSearchAction() SetField(Replace)\n"
+;
+
+static char rep_text_trans[] =
+"~s<Key>Return:" "DoReplaceAction(Popdown)\n"
+"s<Key>Return:" "SetField(Search)\n"
+"c<Key>c:" "PopdownSearchAction()\n"
+"<Btn1Down>:" "select-start() DoSearchAction() SetField(Replace)\n"
+"<Key>Tab:" "SetField(Search)\n"
+;
+
+/*
+ * Implementation
+ */
+/*
+ * This section of the file contains all the functions that
+ * the file insert dialog box uses
+ */
+
+/*
+ * Function:
+ * _XawTextInsertFileAction
+ *
+ * Description:
+ * Action routine that can be bound to dialog box's Text Widget
+ * that will insert a file into the main Text Widget.
+ */
+/*ARGSUSED*/
+void
+_XawTextInsertFileAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ DoInsert(w, (XtPointer)XtParent(XtParent(XtParent(w))), NULL);
+}
+
+/*
+ * Function:
+ * _XawTextInsertFile
+ *
+ * Parameters:
+ * w - text widget
+ * event - X Event (used to get x and y location)
+ * params - parameter list
+ * num_params - ""
+ *
+ * Description:
+ * Action routine that can be bound to the text widget
+ * it will popup the insert file dialog box.
+ *
+ * Note:
+ * The parameter list may contain one entry
+ *
+ * Entry:
+ * This entry is optional and contains the value of the default
+ * file to insert
+ */
+void
+_XawTextInsertFile(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ char *ptr;
+ XawTextEditType edit_mode;
+ Arg args[1];
+
+ XtSetArg(args[0], XtNeditType, &edit_mode);
+ XtGetValues(ctx->text.source, args, 1);
+
+ if (edit_mode != XawtextEdit) {
+ XBell(XtDisplay(w), 0);
+ return;
+ }
+
+ if (*num_params == 0)
+ ptr = "";
+ else
+ ptr = params[0];
+
+ if (!ctx->text.file_insert) {
+ ctx->text.file_insert = CreateDialog(w, ptr, "insertFile",
+ AddInsertFileChildren);
+ XtRealizeWidget(ctx->text.file_insert);
+ SetWMProtocolTranslations(ctx->text.file_insert);
+ }
+
+ CenterWidgetOnPoint(ctx->text.file_insert, event);
+ XtPopup(ctx->text.file_insert, XtGrabNone);
+}
+
+/*
+ * Function:
+ * PopdownFileInsert
+ *
+ * Parameters:
+ * w - widget that caused this action
+ * closure - pointer to the main text widget that popped up this dialog
+ * call_data - (not used)
+ *
+ * Description:
+ * Pops down the file insert button
+ */
+/*ARGSUSED*/
+static void
+PopdownFileInsert(Widget w, XtPointer closure, XtPointer call_data)
+{
+ TextWidget ctx = (TextWidget)closure;
+
+ XtPopdown(ctx->text.file_insert);
+ (void)SetResourceByName(ctx->text.file_insert, LABEL_NAME,
+ XtNlabel, (XtArgVal)INSERT_FILE);
+}
+
+/*
+ * Function:
+ * DoInsert
+ *
+ * Parameters:
+ * w - widget that activated this callback
+ * closure - pointer to the text widget to insert the file into
+ *
+ * Description:
+ * Actually insert the file named in the text widget of the file dialog
+ */
+/*ARGSUSED*/
+static void
+DoInsert(Widget w, XtPointer closure, XtPointer call_data)
+{
+ TextWidget ctx = (TextWidget)closure;
+ char buf[BUFSIZ], msg[BUFSIZ];
+ Widget temp_widget;
+
+ (void)XmuSnprintf(buf, sizeof(buf), "%s.%s", FORM_NAME, TEXT_NAME);
+ if ((temp_widget = XtNameToWidget(ctx->text.file_insert, buf)) == NULL) {
+ (void)strcpy(msg,
+ "Error: Could not get text widget from file insert popup");
+ }
+ else if (InsertFileNamed((Widget)ctx, GetString(temp_widget))) {
+ PopdownFileInsert(w, closure, call_data);
+ return;
+ }
+ else
+ (void)XmuSnprintf(msg, sizeof(msg), "Error: %s", strerror(errno));
+
+ (void)SetResourceByName(ctx->text.file_insert,
+ LABEL_NAME, XtNlabel, (XtArgVal)msg);
+ XBell(XtDisplay(w), 0);
+}
+
+/*
+ * Function:
+ * InsertFileNamed
+ *
+ * Parameters:
+ * tw - text widget to insert this file into
+ * str - name of the file to insert
+ *
+ * Description:
+ * Inserts a file into the text widget.
+ *
+ * Returns:
+ * True if the insert was sucessful, False otherwise.
+ */
+static Bool
+InsertFileNamed(Widget tw, char *str)
+{
+ FILE *file;
+ XawTextBlock text;
+ XawTextPosition pos;
+
+ if (str == NULL || strlen(str) == 0 || (file = fopen(str, "r")) == NULL)
+ return (False);
+
+ pos = XawTextGetInsertionPoint(tw);
+
+ fseek(file, 0L, 2);
+
+ text.firstPos = 0;
+ text.length = ftell(file);
+ text.ptr = XtMalloc(text.length + 1);
+ text.format = XawFmt8Bit;
+
+ fseek(file, 0L, 0);
+ if (fread(text.ptr, 1, text.length, file) != text.length)
+ XtErrorMsg("readError", "insertFileNamed", "XawError",
+ "fread returned error", NULL, NULL);
+
+ if (XawTextReplace(tw, pos, pos, &text) != XawEditDone) {
+ XtFree(text.ptr);
+ fclose(file);
+ return (False);
+ }
+ pos += text.length;
+ XtFree(text.ptr);
+ fclose(file);
+ XawTextSetInsertionPoint(tw, pos);
+ _XawTextShowPosition((TextWidget)tw);
+
+ return (True);
+}
+
+/*
+ * Function:
+ * AddInsertFileChildren
+ *
+ * Parameters:
+ * form - form widget for the insert dialog widget
+ * ptr - pointer to the initial string for the Text Widget
+ * tw - main text widget
+ *
+ * Description:
+ * Adds all children to the InsertFile dialog widget.
+ */
+static void
+AddInsertFileChildren(Widget form, char *ptr, Widget tw)
+{
+ Arg args[10];
+ Cardinal num_args;
+ Widget label, text, cancel, insert;
+ XtTranslations trans;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, INSERT_FILE); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNresizable, True); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
+ label = XtCreateManagedWidget(LABEL_NAME, labelWidgetClass, form,
+ args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNfromVert, label); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainRight); num_args++;
+ XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
+ XtSetArg(args[num_args], XtNresizable, True); num_args++;
+ XtSetArg(args[num_args], XtNstring, ptr); num_args++;
+ text = XtCreateManagedWidget(TEXT_NAME, asciiTextWidgetClass, form,
+ args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Insert File"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, text); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ insert = XtCreateManagedWidget("insert", commandWidgetClass, form,
+ args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Cancel"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, text); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, insert); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ cancel = XtCreateManagedWidget(DISMISS_NAME, commandWidgetClass, form,
+ args, num_args);
+
+ XtAddCallback(cancel, XtNcallback, PopdownFileInsert, (XtPointer)tw);
+ XtAddCallback(insert, XtNcallback, DoInsert, (XtPointer)tw);
+
+ XtSetKeyboardFocus(form, text);
+
+ /*
+ * Bind <CR> to insert file
+ */
+ trans = XtParseTranslationTable("<Key>Return:InsertFileAction()");
+ XtOverrideTranslations(text, trans);
+}
+
+/*
+ * This section of the file contains all the functions that
+ * the search dialog box uses
+ */
+/*
+ * Function:
+ * _XawTextDoSearchAction
+ *
+ * Description:
+ * Action routine that can be bound to dialog box's Text Widget that
+ * will search for a string in the main Text Widget.
+ *
+ * Note:
+ * If the search was sucessful and the argument popdown is passed to
+ * this action routine then the widget will automatically popdown the
+ * search widget
+ */
+/*ARGSUSED*/
+void
+_XawTextDoSearchAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ TextWidget tw = (TextWidget)XtParent(XtParent(XtParent(w)));
+ Bool popdown = False;
+
+ if (*num_params == 1 && (params[0][0] == 'p' || params[0][0] == 'P'))
+ popdown = True;
+
+ if (DoSearch(tw->text.search) && popdown)
+ PopdownSearch(w, (XtPointer)tw->text.search, NULL);
+}
+
+/*
+ * Function:
+ * _XawTextPopdownSearchAction
+ *
+ * Description:
+ * Action routine that can be bound to dialog box's Text Widget that
+ * will popdown the search widget.
+ */
+/*ARGSUSED*/
+void
+_XawTextPopdownSearchAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ TextWidget tw = (TextWidget)XtParent(XtParent(XtParent(w)));
+
+ PopdownSearch(w, (XtPointer)tw->text.search, NULL);
+}
+
+/*
+ * Function:
+ * PopdownSearch
+ *
+ * Parameters:
+ * w - (not used)
+ * closure - pointer to the search structure
+ * call_data - (not used)
+ *
+ * Description:
+ * Pops down the search widget and resets it
+ */
+/*ARGSUSED*/
+static void
+PopdownSearch(Widget w, XtPointer closure, XtPointer call_data)
+{
+ struct SearchAndReplace *search = (struct SearchAndReplace *)closure;
+
+ XtPopdown(search->search_popup);
+ SetSearchLabels(search, SEARCH_LABEL_1, SEARCH_LABEL_2, False);
+}
+
+/*
+ * Function:
+ * SearchButton
+ *
+ * Arguments:
+ * w - (not used)
+ * closure - pointer to the search info
+ * call_data - (not used)
+ *
+ * Description:
+ * Performs a search when the button is clicked.
+ */
+/*ARGSUSED*/
+static void
+SearchButton(Widget w, XtPointer closure, XtPointer call_data)
+{
+ (void)DoSearch((struct SearchAndReplace *)closure);
+}
+
+/*
+ * Function:
+ * _XawTextSearch
+ *
+ * Parameters:
+ * w - text widget
+ * event - X Event (used to get x and y location)
+ * params - parameter list
+ * num_params - ""
+ *
+ * Description:
+ * Action routine that can be bound to the text widget
+ * it will popup the search dialog box.
+ *
+ * Note:
+ * The parameter list contains one or two entries that may be
+ * the following.
+ *
+ * First Entry:
+ * The first entry is the direction to search by default.
+ * This arguement must be specified and may have a value of
+ * "left" or "right".
+ *
+ * Second Entry:
+ * This entry is optional and contains the value of the default
+ * string to search for.
+ */
+
+#define SEARCH_HEADER "Text Widget - Search():"
+void
+_XawTextSearch(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)w;
+ XawTextScanDirection dir;
+ char *ptr, buf[BUFSIZ];
+ XawTextEditType edit_mode;
+ Arg args[1];
+ wchar_t wcs[1];
+
+ if (*num_params < 1 || *num_params > 2) {
+ (void)XmuSnprintf(buf, sizeof(buf), "%s %s\n%s", SEARCH_HEADER,
+ "This action must have only",
+ "one or two parameters");
+ XtAppWarning(XtWidgetToApplicationContext(w), buf);
+ return;
+ }
+
+ if (*num_params == 2)
+ ptr = params[1];
+ else if (XawTextFormat(ctx, XawFmtWide)) {
+ /* This just does the equivalent of
+ ptr = ""L, a waste because params[1] isnt W aligned */
+ ptr = (char *)wcs;
+ wcs[0] = 0;
+ }
+ else
+ ptr = "";
+
+ switch(params[0][0]) {
+ case 'b': /* Left */
+ case 'B':
+ dir = XawsdLeft;
+ break;
+ case 'f': /* Right */
+ case 'F':
+ dir = XawsdRight;
+ break;
+ default:
+ (void)XmuSnprintf(buf, sizeof(buf), "%s %s\n%s", SEARCH_HEADER,
+ "The first parameter must be",
+ "Either 'backward' or 'forward'");
+ XtAppWarning(XtWidgetToApplicationContext(w), buf);
+ return;
+ }
+
+ if (ctx->text.search== NULL) {
+ ctx->text.search = XtNew(struct SearchAndReplace);
+ ctx->text.search->search_popup = CreateDialog(w, ptr, "search",
+ AddSearchChildren);
+ XtRealizeWidget(ctx->text.search->search_popup);
+ SetWMProtocolTranslations(ctx->text.search->search_popup);
+ }
+ else if (*num_params > 1)
+ XtVaSetValues(ctx->text.search->search_text, XtNstring, ptr, NULL);
+
+ XtSetArg(args[0], XtNeditType,&edit_mode);
+ XtGetValues(ctx->text.source, args, 1);
+
+ InitializeSearchWidget(ctx->text.search, dir, (edit_mode == XawtextEdit));
+
+ CenterWidgetOnPoint(ctx->text.search->search_popup, event);
+ XtPopup(ctx->text.search->search_popup, XtGrabNone);
+}
+
+/*
+ * Function:
+ * InitializeSearchWidget
+ *
+ * Parameters:
+ * search - search widget structure
+ * dir - direction to search
+ * replace_active - state of the sensitivity for the replace button
+ *
+ * Description:
+ * This function initializes the search widget and
+ * is called each time the search widget is poped up.
+ */
+static void
+InitializeSearchWidget(struct SearchAndReplace *search,
+ XawTextScanDirection dir, Bool replace_active)
+{
+ SetResource(search->rep_one, XtNsensitive, (XtArgVal)replace_active);
+ SetResource(search->rep_all, XtNsensitive, (XtArgVal)replace_active);
+ SetResource(search->rep_label, XtNsensitive, (XtArgVal)replace_active);
+ SetResource(search->rep_text, XtNsensitive, (XtArgVal)replace_active);
+
+ switch (dir) {
+ case XawsdLeft:
+ SetResource(search->left_toggle, XtNstate, (XtArgVal)True);
+ break;
+ case XawsdRight:
+ SetResource(search->right_toggle, XtNstate, (XtArgVal)True);
+ break;
+ }
+}
+
+/*
+ * Function:
+ * AddSearchChildren
+ *
+ * Parameters:
+ * form - form widget for the search widget
+ * ptr - pointer to the initial string for the Text Widget
+ * tw - main text widget
+ *
+ * Description:
+ * Adds all children to the Search Dialog Widget.
+ */
+static void
+AddSearchChildren(Widget form, char *ptr, Widget tw)
+{
+ Arg args[10];
+ Cardinal num_args;
+ Widget cancel, search_button, s_label, s_text, r_text;
+ XtTranslations trans;
+ struct SearchAndReplace *search = ((TextWidget)tw)->text.search;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNresizable, True); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
+ search->label1 = XtCreateManagedWidget("label1", labelWidgetClass, form,
+ args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNfromVert, search->label1); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNresizable, True); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
+ search->label2 = XtCreateManagedWidget("label2", labelWidgetClass, form,
+ args, num_args);
+
+ /*
+ * We need to add R_OFFSET to the radio_data, because the value zero (0)
+ * has special meaning
+ */
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Backward"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, search->label2); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNradioData, (XPointer)XawsdLeft + R_OFFSET);
+ num_args++;
+ search->left_toggle = XtCreateManagedWidget("backwards", toggleWidgetClass,
+ form, args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Forward"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, search->label2); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, search->left_toggle); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNradioGroup, search->left_toggle); num_args++;
+ XtSetArg(args[num_args], XtNradioData, (XPointer)XawsdRight + R_OFFSET);
+ num_args++;
+ search->right_toggle = XtCreateManagedWidget("forwards", toggleWidgetClass,
+ form, args, num_args);
+
+ {
+ XtTranslations radio_translations;
+
+ radio_translations = XtParseTranslationTable(radio_trans_string);
+ XtOverrideTranslations(search->left_toggle, radio_translations);
+ XtOverrideTranslations(search->right_toggle, radio_translations);
+ }
+
+#ifndef OLDXAW
+ if (XawTextFormat((TextWidget)tw, XawFmt8Bit)) {
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Case Sensitive"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, search->label2); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, search->right_toggle); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNstate, True); num_args++;
+ search->case_sensitive = XtCreateManagedWidget("case", toggleWidgetClass,
+ form, args, num_args);
+ }
+ else
+ search->case_sensitive = NULL;
+#endif
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNfromVert, search->left_toggle); num_args++;
+ XtSetArg(args[num_args], XtNlabel, "Search for: "); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, 0 ); num_args++;
+ s_label = XtCreateManagedWidget("searchLabel", labelWidgetClass, form,
+ args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNfromVert, search->left_toggle); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, s_label); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainRight); num_args++;
+ XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
+ XtSetArg(args[num_args], XtNresizable, True); num_args++;
+ XtSetArg(args[num_args], XtNstring, ptr); num_args++;
+ s_text = XtCreateManagedWidget("searchText", asciiTextWidgetClass, form,
+ args, num_args);
+ search->search_text = s_text;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNfromVert, s_text); num_args++;
+ XtSetArg(args[num_args], XtNlabel, "Replace with:"); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
+ search->rep_label = XtCreateManagedWidget("replaceLabel", labelWidgetClass,
+ form, args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNfromHoriz, s_label); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, s_text); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainRight); num_args++;
+ XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
+ XtSetArg(args[num_args], XtNresizable, True); num_args++;
+ XtSetArg(args[num_args], XtNstring, ""); num_args++;
+ r_text = XtCreateManagedWidget("replaceText", asciiTextWidgetClass,
+ form, args, num_args);
+ search->rep_text = r_text;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Search"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, r_text); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ search_button = XtCreateManagedWidget("search", commandWidgetClass, form,
+ args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Replace"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, r_text); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, search_button); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ search->rep_one = XtCreateManagedWidget("replaceOne", commandWidgetClass,
+ form, args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Replace All"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, r_text); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, search->rep_one); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ search->rep_all = XtCreateManagedWidget("replaceAll", commandWidgetClass,
+ form, args, num_args);
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNlabel, "Cancel"); num_args++;
+ XtSetArg(args[num_args], XtNfromVert, r_text); num_args++;
+ XtSetArg(args[num_args], XtNfromHoriz, search->rep_all); num_args++;
+ XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
+ XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
+ cancel = XtCreateManagedWidget(DISMISS_NAME, commandWidgetClass, form,
+ args, num_args);
+
+ XtAddCallback(search_button, XtNcallback, SearchButton, (XtPointer)search);
+ XtAddCallback(search->rep_one, XtNcallback, DoReplaceOne, (XtPointer)search);
+ XtAddCallback(search->rep_all, XtNcallback, DoReplaceAll, (XtPointer)search);
+ XtAddCallback(cancel, XtNcallback, PopdownSearch, (XtPointer)search);
+
+ /*
+ * Initialize the text entry fields
+ */
+ {
+ Pixel color;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNbackground, &color); num_args++;
+ XtGetValues(search->rep_text, args, num_args);
+ num_args = 0;
+ XtSetArg(args[num_args], XtNborderColor, color); num_args++;
+ XtSetValues(search->rep_text, args, num_args);
+ XtSetKeyboardFocus(form, search->search_text);
+ }
+
+ SetSearchLabels(search, SEARCH_LABEL_1, SEARCH_LABEL_2, False);
+
+ /*
+ * Bind Extra translations
+ */
+ trans = XtParseTranslationTable(search_text_trans);
+ XtOverrideTranslations(search->search_text, trans);
+
+ trans = XtParseTranslationTable(rep_text_trans);
+ XtOverrideTranslations(search->rep_text, trans);
+}
+
+/*
+ * Function:
+ * DoSearch
+ *
+ * Parameters:
+ * search - search structure
+ *
+ * Description:
+ * Performs a search
+ *
+ * Returns:
+ * True if sucessful
+ */
+/*ARGSUSED*/
+static Bool
+DoSearch(struct SearchAndReplace *search)
+{
+ char msg[37];
+ Widget tw = XtParent(search->search_popup);
+ XawTextPosition pos;
+ XawTextScanDirection dir;
+ XawTextBlock text;
+ TextWidget ctx = (TextWidget)tw;
+
+ text.firstPos = 0;
+ text.ptr = GetStringRaw(search->search_text);
+ if ((text.format = _XawTextFormat(ctx)) == XawFmtWide)
+ text.length = wcslen((wchar_t*)text.ptr);
+ else {
+ text.length = strlen(text.ptr);
+
+#ifndef OLDXAW
+ if (search->case_sensitive) {
+ /* text.firstPos isn't useful here, so I'll use it as an
+ * options flag.
+ */
+ Arg args[1];
+ Boolean case_sensitive;
+
+ XtSetArg(args[0], XtNstate, &case_sensitive);
+ XtGetValues(search->case_sensitive, args, 1);
+ text.firstPos = !case_sensitive;
+ }
+#endif /* OLDXAW */
+ }
+
+ dir = (XawTextScanDirection)(unsigned long)
+ ((XPointer)XawToggleGetCurrent(search->left_toggle) - R_OFFSET);
+
+ pos = XawTextSearch(tw, dir, &text);
+
+ /* The Raw string in find.ptr may be WC I can't use here, so I re - call
+ GetString to get a tame version */
+
+ if (pos == XawTextSearchError) {
+ char *ptr;
+ int len;
+
+ ptr = GetString(search->search_text);
+ len = strlen(ptr);
+ (void)XmuSnprintf(msg, sizeof(msg), "%s", ptr);
+
+ ptr = strchr(msg, '\n');
+ if (ptr != NULL || sizeof(msg) - 1 < len) {
+ if (ptr != NULL)
+ len = ptr - msg + 4;
+ else
+ len = strlen(msg);
+
+ if (len < 4)
+ strcpy(msg, "...");
+ else
+ strcpy(msg + len - 4, "...");
+ }
+ XawTextUnsetSelection(tw);
+ SetSearchLabels(search, "Could not find string", msg, True);
+
+ return (False);
+ }
+ XawTextDisableRedisplay(tw);
+ XawTextSetSelection(tw, pos, pos + text.length);
+ search->selection_changed = False; /* selection is good */
+
+ if (dir == XawsdRight)
+ XawTextSetInsertionPoint(tw, pos + text.length);
+ else
+ XawTextSetInsertionPoint(tw, pos);
+ _XawTextShowPosition(ctx);
+ XawTextEnableRedisplay(tw);
+
+ return (True);
+}
+
+/*
+ * This section of the file contains all the functions that
+ * the replace dialog box uses
+ */
+/*
+ * Function:
+ * _XawTextDoReplaceAction
+ *
+ * Description:
+ * Action routine that can be bound to dialog box's
+ * Text Widget that will replace a string in the main Text Widget.
+ */
+/*ARGSUSED*/
+void
+_XawTextDoReplaceAction(Widget w, XEvent *event,
+ String *params, Cardinal *num_params)
+{
+ TextWidget ctx = (TextWidget)XtParent(XtParent(XtParent(w)));
+ Bool popdown = False;
+
+ if (*num_params == 1 && (params[0][0] == 'p' || params[0][0] == 'P'))
+ popdown = True;
+
+ if (Replace( ctx->text.search, True, popdown) && popdown)
+ PopdownSearch(w, (XtPointer)ctx->text.search, NULL);
+}
+
+/*
+ * Function:
+ * DoReplaceOne
+ *
+ * Arguments:
+ * w - *** Not Used ***
+ * closure - a pointer to the search structure
+ * call_data - *** Not Used ***
+ *
+ * Description:
+ * Replaces the first instance of the string in the search
+ * dialog's text widget with the one in the replace dialog's text widget.
+ */
+/*ARGSUSED*/
+static void
+DoReplaceOne(Widget w, XtPointer closure, XtPointer call_data)
+{
+ Replace((struct SearchAndReplace *)closure, True, False);
+}
+
+/*
+ * Function:
+ * DoReplaceAll
+ *
+ * Parameters:
+ * w - (not used)
+ * closure - pointer to the search structure
+ * call_data - (not used)
+ *
+ * Description:
+ * Replaces every instance of the string in the search dialog's
+ * text widget with the one in the replace dialog's text widget.
+ */
+/*ARGSUSED*/
+static void
+DoReplaceAll(Widget w, XtPointer closure, XtPointer call_data)
+{
+ Replace((struct SearchAndReplace *)closure, False, False);
+}
+
+/*
+ * Function:
+ * Replace
+ *
+ * Parameters:
+ * tw - Text Widget to replce the string in
+ * once_only - if True then only replace the first one found,
+ * else replace all of them
+ * show_current - if true then leave the selection on the
+ * string that was just replaced, otherwise
+ * move it onto the next one
+ *
+ * Description:
+ * This is the function that does the real work of
+ * replacing strings in the main text widget.
+ */
+static Bool
+Replace(struct SearchAndReplace *search, Bool once_only, Bool show_current)
+{
+ XawTextPosition pos, new_pos, end_pos, ipos;
+ XawTextScanDirection dir;
+ XawTextBlock find, replace;
+ Widget tw = XtParent(search->search_popup);
+ int count = 0;
+ TextWidget ctx = (TextWidget)tw;
+ Bool redisplay;
+
+ find.ptr = GetStringRaw(search->search_text);
+ if ((find.format = _XawTextFormat(ctx)) == XawFmtWide)
+ find.length = (XawTextPosition)wcslen((wchar_t*)find.ptr);
+ else
+ find.length = (XawTextPosition)strlen(find.ptr);
+ find.firstPos = 0;
+
+ replace.ptr = GetStringRaw(search->rep_text);
+ replace.firstPos = 0;
+ if ((replace.format = _XawTextFormat(ctx)) == XawFmtWide)
+ replace.length = wcslen((wchar_t*)replace.ptr);
+ else
+ replace.length = strlen(replace.ptr);
+
+ dir = (XawTextScanDirection)(unsigned long)
+ ((XPointer)XawToggleGetCurrent(search->left_toggle) - R_OFFSET);
+
+ redisplay = !once_only || (once_only && !show_current);
+ ipos = XawTextGetInsertionPoint(tw);
+ if (redisplay)
+ XawTextDisableRedisplay(tw);
+ /*CONSTCOND*/
+ while (True) {
+ if (count != 0) {
+ new_pos = XawTextSearch(tw, dir, &find);
+
+ if (new_pos == XawTextSearchError) {
+ if (count == 0) {
+ char msg[37];
+ char *ptr;
+ int len;
+
+ ptr = GetString(search->search_text);
+ len = strlen(ptr);
+ (void)XmuSnprintf(msg, sizeof(msg), "%s", ptr);
+ ptr = strchr(msg, '\n');
+ if (ptr != NULL || sizeof(msg) - 1 < len) {
+ if (ptr != NULL)
+ len = ptr - msg + 4;
+ else
+ len = strlen(msg);
+
+ if (len < 4)
+ strcpy(msg, "...");
+ else
+ strcpy(msg + len - 4, "...");
+ }
+ SetSearchLabels(search, "Could not find string", msg, True);
+
+ if (redisplay) {
+ XawTextSetInsertionPoint(tw, ipos);
+ _XawTextShowPosition(ctx);
+ XawTextEnableRedisplay(tw);
+ }
+
+ return (False);
+ }
+ else
+ break;
+ }
+ pos = new_pos;
+ end_pos = pos + find.length;
+ }
+ else {
+ XawTextGetSelectionPos(tw, &pos, &end_pos);
+
+ if (search->selection_changed) {
+ SetSearchLabels(search, "Selection modified, aborting.",
+ "", True);
+ if (redisplay) {
+ XawTextSetInsertionPoint(tw, ipos);
+ XawTextEnableRedisplay(tw);
+ }
+
+ return (False);
+ }
+ if (pos == end_pos) {
+ if (redisplay) {
+ XawTextSetInsertionPoint(tw, ipos);
+ XawTextEnableRedisplay(tw);
+ }
+
+ return (False);
+ }
+ }
+
+ if (XawTextReplace(tw, pos, end_pos, &replace) != XawEditDone) {
+ SetSearchLabels(search, "Error while replacing.", "", True);
+ if (redisplay) {
+ XawTextSetInsertionPoint(tw, ipos);
+ XawTextEnableRedisplay(tw);
+ }
+
+ return (False);
+ }
+
+ if (dir == XawsdRight)
+ ipos = pos + replace.length;
+ else
+ ipos = pos;
+
+ if (once_only) {
+ if (show_current)
+ break;
+ else {
+ DoSearch(search);
+ XawTextEnableRedisplay(tw);
+
+ return (True);
+ }
+ }
+ else
+ ctx->text.insertPos = ipos;
+ count++;
+ }
+
+ if (replace.length == 0)
+ XawTextUnsetSelection(tw);
+ else
+ XawTextSetSelection(tw, pos, pos + replace.length);
+
+ XawTextSetInsertionPoint(tw, ipos);
+ _XawTextShowPosition(ctx);
+ XawTextEnableRedisplay(tw);
+
+ return (True);
+}
+
+/*
+ * Function:
+ * SetSearchLabels
+ *
+ * Parameters:
+ * search - search structure
+ * msg1 - message to put in each search label
+ * msg2 - ""
+ * bell - if True then ring bell
+ *
+ * Description:
+ * Sets both the search labels, and also rings the bell.
+ */
+static void
+SetSearchLabels(struct SearchAndReplace *search, String msg1, String msg2,
+ Bool bell)
+{
+ (void)SetResource(search->label1, XtNlabel, (XtArgVal)msg1);
+ (void)SetResource(search->label2, XtNlabel, (XtArgVal)msg2);
+ if (bell)
+ XBell(XtDisplay(search->search_popup), 0);
+}
+
+/*
+ * This section of the file contains utility routines used by
+ * other functions in this file
+ */
+/*
+ * Function:
+ * _XawTextSetField
+ *
+ * Description:
+ * Action routine that can be bound to dialog box's
+ * Text Widget that will send input to the field specified.
+ */
+/*ARGSUSED*/
+void
+_XawTextSetField(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ struct SearchAndReplace *search;
+ Widget cnew, old;
+
+ search = ((TextWidget)XtParent(XtParent(XtParent(w))))->text.search;
+
+ if (*num_params != 1) {
+ SetSearchLabels(search, "Error: SetField Action must have",
+ "exactly one argument", True);
+ return;
+ }
+ switch (params[0][0]) {
+ case 's':
+ case 'S':
+ cnew = search->search_text;
+ old = search->rep_text;
+ break;
+ case 'r':
+ case 'R':
+ old = search->search_text;
+ cnew = search->rep_text;
+ break;
+ default:
+ SetSearchLabels(search,
+ "Error: SetField Action's first Argument must",
+ "be either 'Search' or 'Replace'", True);
+ return;
+ }
+ _SetField(cnew, old);
+}
+
+/*
+ * Function:
+ * _SetField
+ *
+ * Parameters:
+ * cnew - new and old text fields
+ * old - ""
+ *
+ * Description:
+ * Sets the current text field.
+ */
+static void
+_SetField(Widget cnew, Widget old)
+{
+ Arg args[2];
+ Pixel new_border, old_border, old_bg;
+
+ if (!XtIsSensitive(cnew)) {
+ XBell(XtDisplay(old), 0); /* Don't set field to an inactive Widget */
+ return;
+ }
+
+ XtSetKeyboardFocus(XtParent(cnew), cnew);
+
+ XtSetArg(args[0], XtNborderColor, &old_border);
+ XtSetArg(args[1], XtNbackground, &old_bg);
+ XtGetValues(cnew, args, 2);
+
+ XtSetArg(args[0], XtNborderColor, &new_border);
+ XtGetValues(old, args, 1);
+
+ if (old_border != old_bg) /* Colors are already correct, return */
+ return;
+
+ SetResource(old, XtNborderColor, (XtArgVal)old_border);
+ SetResource(cnew, XtNborderColor, (XtArgVal)new_border);
+}
+
+/*
+ * Function:
+ * SetResourceByName
+ *
+ * Parameters:
+ * shell - shell widget of the popup
+ * name - name of the child
+ * res_name - name of the resource
+ * value - value of the resource
+ *
+ * Description:
+ * Sets a resource in any of the dialog children given
+ * name of the child and the shell widget of the dialog.
+ *
+ * Returns:
+ * True if sucessful
+ */
+static Bool
+SetResourceByName(Widget shell, char *name, char *res_name, XtArgVal value)
+{
+ Widget temp_widget;
+ char buf[BUFSIZ];
+
+ (void)XmuSnprintf(buf, sizeof(buf), "%s.%s", FORM_NAME, name);
+
+ if ((temp_widget = XtNameToWidget(shell, buf)) != NULL) {
+ SetResource(temp_widget, res_name, value);
+ return (True);
+ }
+ return (False);
+}
+
+/*
+ * Function:
+ * SetResource
+ *
+ * Parameters:
+ * w - widget
+ * res_name - name of the resource
+ * value - value of the resource
+ *
+ * Description:
+ * Sets a resource in a widget
+ */
+static void
+SetResource(Widget w, char *res_name, XtArgVal value)
+{
+ Arg args[1];
+
+ XtSetArg(args[0], res_name, value);
+ XtSetValues( w, args, 1);
+}
+
+/*
+ * Function:
+ * GetString{Raw}
+ *
+ * Parameters:
+ * text - text widget whose string we will get
+ *
+ * Description:
+ * Gets the value for the string in the popup.
+ *
+ * Returns:
+ * GetString: the string as a MB
+ * GetStringRaw: the exact buffer contents suitable for a search
+ */
+static String
+GetString(Widget text)
+{
+ String string;
+ Arg args[1];
+
+ XtSetArg(args[0], XtNstring, &string);
+ XtGetValues(text, args, 1);
+
+ return (string);
+}
+
+static String
+GetStringRaw(Widget tw)
+{
+ TextWidget ctx = (TextWidget)tw;
+ XawTextPosition last;
+
+ last = XawTextSourceScan(ctx->text.source, 0, XawstAll, XawsdRight,
+ ctx->text.mult, True);
+ return (_XawTextGetText(ctx, 0, last));
+}
+
+/*
+ * Function:
+ * CenterWidgetOnPoint
+ *
+ * Parameters:
+ * w - shell widget
+ * event - event containing the location of the point
+ *
+ * Description:
+ * Centers a shell widget on a point relative to the root window.
+ *
+ * Note:
+ * The widget is not allowed to go off the screen
+ */
+static void
+CenterWidgetOnPoint(Widget w, XEvent *event)
+{
+ Arg args[3];
+ Cardinal num_args;
+ Dimension width, height, b_width;
+ Position x, y, max_x, max_y;
+
+ if (event != NULL) {
+ switch (event->type) {
+ case ButtonPress:
+ case ButtonRelease:
+ x = event->xbutton.x_root;
+ y = event->xbutton.y_root;
+ break;
+ case KeyPress:
+ case KeyRelease:
+ x = event->xkey.x_root;
+ y = event->xkey.y_root;
+ break;
+ default:
+ return;
+ }
+ }
+ else
+ return;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNwidth, &width); num_args++;
+ XtSetArg(args[num_args], XtNheight, &height); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, &b_width); num_args++;
+ XtGetValues(w, args, num_args);
+
+ width += b_width << 1;
+ height += b_width << 1;
+
+ x -= (Position)(width >> 1);
+ if (x < 0)
+ x = 0;
+ if (x > (max_x = (Position)(XtScreen(w)->width - width)))
+ x = max_x;
+
+ y -= (Position)(height >> 1);
+ if (y < 0)
+ y = 0;
+ if (y > (max_y = (Position)(XtScreen(w)->height - height)))
+ y = max_y;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNx, x); num_args++;
+ XtSetArg(args[num_args], XtNy, y); num_args++;
+ XtSetValues(w, args, num_args);
+}
+
+/*
+ * Function:
+ * CreateDialog
+ *
+ * Parameters:
+ * parent - parent of the dialog - the main text widget
+ * ptr - initial_string for the dialog
+ * name - name of the dialog
+ * func - function to create the children of the dialog
+ *
+ * Returns:
+ * Popup shell of the dialog
+ *
+ * Note:
+ * The function argument is passed the following arguments:
+ * form - from widget that is the dialog
+ * ptr - initial string for the dialog's text widget
+ * parent - parent of the dialog - the main text widget
+ */
+static Widget
+CreateDialog(Widget parent, String ptr, String name, AddFunc func)
+{
+ Widget popup, form;
+ Arg args[5];
+ Cardinal num_args;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNiconName, name); num_args++;
+ XtSetArg(args[num_args], XtNgeometry, NULL); num_args++;
+ XtSetArg(args[num_args], XtNallowShellResize, True); num_args++;
+ XtSetArg(args[num_args], XtNtransientFor, GetShell(parent));num_args++;
+ popup = XtCreatePopupShell(name, transientShellWidgetClass,
+ parent, args, num_args);
+
+ form = XtCreateManagedWidget(FORM_NAME, formWidgetClass, popup, NULL, 0);
+ XtManageChild (form);
+
+ (*func)(form, ptr, parent);
+
+ return (popup);
+}
+
+/*
+ * Function
+ * GetShell
+ * nearest shell widget.
+ *
+ * Parameters:
+ * w - widget whose parent shell should be returned
+ *
+ * Returns:
+ * The shell widget among the ancestors of w that is the
+ * fewest levels up in the widget hierarchy.
+ *
+ * Description:
+ * Walks up the widget hierarchy to find the topmost shell widget.
+ */
+static Widget
+GetShell(Widget w)
+{
+ while (w != NULL && !XtIsShell(w))
+ w = XtParent(w);
+
+ return (w);
+}
+
+static Bool
+InParams(String str, String *p, unsigned int n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; p++, i++)
+ if (!XmuCompareISOLatin1(*p, str))
+ return (True);
+ return (False);
+}
+
+static char *WM_DELETE_WINDOW = "WM_DELETE_WINDOW";
+
+static void
+WMProtocols(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ Atom wm_delete_window;
+ Atom wm_protocols;
+
+ wm_delete_window = XInternAtom(XtDisplay(w), WM_DELETE_WINDOW, True);
+ wm_protocols = XInternAtom(XtDisplay(w), "WM_PROTOCOLS", True);
+
+ /* Respond to a recognized WM protocol request if
+ * event type is ClientMessage and no parameters are passed, or
+ * event type is ClientMessage and event data is matched to parameters, or
+ * event type isn't ClientMessage and parameters make a request
+ */
+#define DO_DELETE_WINDOW InParams(WM_DELETE_WINDOW, params, *num_params)
+
+ if ((event->type == ClientMessage
+ && event->xclient.message_type == wm_protocols
+ && event->xclient.data.l[0] == wm_delete_window
+ && (*num_params == 0 || DO_DELETE_WINDOW))
+ || (event->type != ClientMessage && DO_DELETE_WINDOW)) {
+#undef DO_DELETE_WINDOW
+ Widget cancel;
+ char descendant[DISMISS_NAME_LEN + 2];
+
+ (void)XmuSnprintf(descendant, sizeof(descendant), "*%s", DISMISS_NAME);
+ cancel = XtNameToWidget(w, descendant);
+ if (cancel)
+ XtCallCallbacks(cancel, XtNcallback, NULL);
+ }
+}
+
+static void
+SetWMProtocolTranslations(Widget w)
+{
+ static XtTranslations compiled_table;
+ static XtAppContext *app_context_list;
+ static Cardinal list_size;
+
+ unsigned int i;
+ XtAppContext app_context;
+ Atom wm_delete_window;
+
+ app_context = XtWidgetToApplicationContext(w);
+
+ /* parse translation table once */
+ if (!compiled_table)
+ compiled_table =
+ XtParseTranslationTable("<Message>WM_PROTOCOLS:XawWMProtocols()\n");
+
+ /* add actions once per application context */
+ for (i = 0; i < list_size && app_context_list[i] != app_context; i++)
+ ;
+ if (i == list_size) {
+ XtActionsRec actions[1];
+
+ actions[0].string = "XawWMProtocols";
+ actions[0].proc = WMProtocols;
+ list_size++;
+ app_context_list = (XtAppContext *)XtRealloc
+ ((char *)app_context_list, list_size * sizeof(XtAppContext));
+ XtAppAddActions(app_context, actions, 1);
+ app_context_list[i] = app_context;
+ }
+
+ /* establish communication between the window manager and each shell */
+ XtAugmentTranslations(w, compiled_table);
+ wm_delete_window = XInternAtom(XtDisplay(w), WM_DELETE_WINDOW, False);
+ (void)XSetWMProtocols(XtDisplay(w), XtWindow(w), &wm_delete_window, 1);
+}
diff --git a/libXaw/src/TextSink.c b/libXaw/src/TextSink.c index b47c7b80a..424e4cf3c 100644 --- a/libXaw/src/TextSink.c +++ b/libXaw/src/TextSink.c @@ -1,1827 +1,1827 @@ -/* - -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* - * Author: Chris Peterson, MIT X Consortium. - * - * Much code taken from X11R3 AsciiSink. - */ - -/* - * TextSink.c - TextSink object. (For use with the text widget). - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/TextP.h> -#include <X11/Xaw/TextSinkP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Prototypes - */ -static void XawTextSinkClassPartInitialize(WidgetClass); -static void XawTextSinkInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawTextSinkDestroy(Widget); -static Boolean XawTextSinkSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -static int MaxLines(Widget, unsigned int); -static int MaxHeight(Widget, int); -static void DisplayText(Widget, int, int, XawTextPosition, XawTextPosition, - Bool); -static void InsertCursor(Widget, int, int, XawTextInsertState); -static void ClearToBackground(Widget, int, int, unsigned int, unsigned int); -static void FindPosition(Widget, XawTextPosition, int, int, Bool, - XawTextPosition*, int*, int*); -static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*, - XawTextPosition*, int*); -static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*); -static void SetTabs(Widget, int, short*); -static void GetCursorBounds(Widget, XRectangle*); - -#ifndef OLDXAW -static Boolean CvtStringToPropertyList(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Boolean CvtPropertyListToString(Display*, XrmValue*, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static Bool BeginPaint(Widget); -static Bool EndPaint(Widget); -static void SetXlfdDefaults(Display*, XawTextProperty*); -#endif - -/* - * External - */ -void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned); -void _XawTextSinkDisplayText(Widget, int, int, XawTextPosition, XawTextPosition, - Bool); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(TextSinkRec, text_sink.field) -static XtResource resources[] = { - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(foreground), - XtRString, - XtDefaultForeground - }, - { - XtNbackground, - XtCBackground, - XtRPixel, - sizeof(Pixel), - offset(background), - XtRString, - XtDefaultBackground - }, -#ifndef OLDXAW - { - XtNcursorColor, - XtCColor, - XtRPixel, - sizeof(Pixel), - offset(cursor_color), - XtRString, - XtDefaultForeground - }, - { - XawNtextProperties, - XawCTextProperties, - XawRTextProperties, - sizeof(XawTextPropertyList*), - offset(properties), - XtRImmediate, - NULL - }, -#endif -}; -#undef offset - -#ifndef OLDXAW -static TextSinkExtRec extension_rec = { - NULL, /* next_extension */ - NULLQUARK, /* record_type */ - 1, /* version */ - sizeof(TextSinkExtRec), /* record_size */ - BeginPaint, - NULL, - NULL, - EndPaint -}; - -static XrmQuark Qdefault; -#endif - -#define Superclass (&objectClassRec) -TextSinkClassRec textSinkClassRec = { - /* object */ - { - (WidgetClass)Superclass, /* superclass */ - "TextSink", /* class_name */ - sizeof(TextSinkRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - XawTextSinkClassPartInitialize, /* class_part_initialize */ - False, /* class_inited */ - XawTextSinkInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* obj1 */ - NULL, /* obj2 */ - 0, /* obj3 */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* obj4 */ - False, /* obj5 */ - False, /* obj6 */ - False, /* obj7 */ - XawTextSinkDestroy, /* destroy */ - NULL, /* obj8 */ - NULL, /* obj9 */ - XawTextSinkSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* obj10 */ - NULL, /* get_values_hook */ - NULL, /* obj11 */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* obj12 */ - NULL, /* obj13 */ - NULL, /* obj14 */ - NULL, /* extension */ - }, - /* text_sink */ - { - DisplayText, /* DisplayText */ - InsertCursor, /* InsertCursor */ - ClearToBackground, /* ClearToBackground */ - FindPosition, /* FindPosition */ - FindDistance, /* FindDistance */ - Resolve, /* Resolve */ - MaxLines, /* MaxLines */ - MaxHeight, /* MaxHeight */ - SetTabs, /* SetTabs */ - GetCursorBounds, /* GetCursorBounds */ - }, -}; - -WidgetClass textSinkObjectClass = (WidgetClass)&textSinkClassRec; - -/* - * Implementation - */ -static void -XawTextSinkClassPartInitialize(WidgetClass wc) -{ - TextSinkObjectClass t_src, superC; -#ifndef OLDXAW - static XtConvertArgRec CvtArgs[] = { - {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.self), - sizeof(Widget)}, - }; -#endif - - t_src = (TextSinkObjectClass) wc; - superC = (TextSinkObjectClass) t_src->object_class.superclass; - -#ifndef OLDXAW - extension_rec.record_type = XrmPermStringToQuark("TextSink"); - extension_rec.next_extension = (XtPointer)t_src->text_sink_class.extension; - t_src->text_sink_class.extension = &extension_rec; - - Qdefault = XrmPermStringToQuark("default"); -#endif - - /* - * We don't need to check for null super since we'll get to TextSink - * eventually. - */ - if (t_src->text_sink_class.DisplayText == XtInheritDisplayText) - t_src->text_sink_class.DisplayText = - superC->text_sink_class.DisplayText; - - if (t_src->text_sink_class.InsertCursor == XtInheritInsertCursor) - t_src->text_sink_class.InsertCursor = - superC->text_sink_class.InsertCursor; - - if (t_src->text_sink_class.ClearToBackground== XtInheritClearToBackground) - t_src->text_sink_class.ClearToBackground = - superC->text_sink_class.ClearToBackground; - - if (t_src->text_sink_class.FindPosition == XtInheritFindPosition) - t_src->text_sink_class.FindPosition = - superC->text_sink_class.FindPosition; - - if (t_src->text_sink_class.FindDistance == XtInheritFindDistance) - t_src->text_sink_class.FindDistance = - superC->text_sink_class.FindDistance; - - if (t_src->text_sink_class.Resolve == XtInheritResolve) - t_src->text_sink_class.Resolve = - superC->text_sink_class.Resolve; - - if (t_src->text_sink_class.MaxLines == XtInheritMaxLines) - t_src->text_sink_class.MaxLines = - superC->text_sink_class.MaxLines; - - if (t_src->text_sink_class.MaxHeight == XtInheritMaxHeight) - t_src->text_sink_class.MaxHeight = - superC->text_sink_class.MaxHeight; - - if (t_src->text_sink_class.SetTabs == XtInheritSetTabs) - t_src->text_sink_class.SetTabs = - superC->text_sink_class.SetTabs; - - if (t_src->text_sink_class.GetCursorBounds == XtInheritGetCursorBounds) - t_src->text_sink_class.GetCursorBounds = - superC->text_sink_class.GetCursorBounds; - -#ifndef OLDXAW - XtSetTypeConverter(XtRString, XawRTextProperties, CvtStringToPropertyList, - &CvtArgs[0], XtNumber(CvtArgs), XtCacheNone, NULL); - XtSetTypeConverter(XawRTextProperties, XtRString, CvtPropertyListToString, - NULL, 0, XtCacheNone, NULL); -#endif -} - -/* - * Function: - * XawTextSinkInitialize - * - * Parameters: - * request - requested and new values for the object instance - * cnew - "" - * - * Description: - * Initializes the TextSink Object. - */ -/*ARGSUSED*/ -static void -XawTextSinkInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TextSinkObject sink = (TextSinkObject)cnew; - - sink->text_sink.tab_count = 0; /* Initialize the tab stops. */ - sink->text_sink.tabs = NULL; - sink->text_sink.char_tabs = NULL; -#ifndef OLDXAW - sink->text_sink.paint = NULL; -#endif -} - -/* - * Function: - * XawTextSinkDestroy - * - * Parameters: - * w - TextSink Object - * - * Description: - * This function cleans up when the object is destroyed. - */ -static void -XawTextSinkDestroy(Widget w) -{ - TextSinkObject sink = (TextSinkObject) w; - - XtFree((char *)sink->text_sink.tabs); - XtFree((char *)sink->text_sink.char_tabs); -} - -/* - * Function: - * XawTextSinkSetValues - * - * Parameters: - * current - current state of the object - * request - what was requested - * cnew - what the object will become - * - * Description: - * Sets the values for the TextSink. - * - * Returns: - * True if redisplay is needed - */ -/*ARGSUSED*/ -static Boolean -XawTextSinkSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TextSinkObject w = (TextSinkObject)cnew; - TextSinkObject old_w = (TextSinkObject)current; - - if (w->text_sink.foreground != old_w->text_sink.foreground) - ((TextWidget)XtParent(cnew))->text.redisplay_needed = True; - - return (False); -} - -/* - * Function: - * DisplayText - * - * Parameters: - * w - TextSink Object - * x - location to start drawing text - * y - "" - * pos1 - location of starting and ending points in the text buffer - * pos2 - "" - * highlight - hightlight this text? - * - * Description: - * Stub function that in subclasses will display text. - */ -/*ARGSUSED*/ -static void -DisplayText(Widget w, int x, int y, - XawTextPosition pos1, XawTextPosition pos2, Bool highlight) -{ - return; -} - -/* - * Function: - * InsertCursor - * - * Parameters: - * w - TextSink Object - * x - location for the cursor - * y - "" - * state - whether to turn the cursor on, or off - * - * Description: - * Places the InsertCursor. - */ -/*ARGSUSED*/ -static void -InsertCursor(Widget w, int x, int y, XawTextInsertState state) -{ - return; -} - -/* - * Function: - * ClearToBackground - * - * Parameters: - * w - TextSink Object - * x - location of area to clear - * y - "" - * width - size of area to clear - * height - "" - * - * Description: - * Clears a region of the sink to the background color. - */ -/*ARGSUSED*/ -static void -ClearToBackground(Widget w, int x, int y, - unsigned int width, unsigned int height) -{ - /* - * Don't clear in height or width are zero - * XClearArea() has special semantic for these values - */ - TextWidget xaw = (TextWidget)XtParent(w); - Position x1, y1, x2, y2; - - x1 = XawMax(x, xaw->text.r_margin.left); - y1 = XawMax(y, xaw->text.r_margin.top); - x2 = XawMin(x + (int)width, (int)XtWidth(xaw) - xaw->text.r_margin.right); - y2 = XawMin(y + (int)height, (int)XtHeight(xaw) - xaw->text.r_margin.bottom); - - x = x1; - y = y1; - width = XawMax(0, x2 - x1); - height = XawMax(0, y2 - y1); - - if (height != 0 && width != 0) - XClearArea(XtDisplayOfObject(w), XtWindowOfObject(w), - x, y, width, height, False); -} - -/* - * Function: - * FindPosition - * - * Parameters: - * w - TextSink Object - * fromPos - reference position - * fromX - reference location - * width - width of section to paint text - * stopAtWordBreak - returned position is a word break? - * resPos - position found (return) - * resWidth - Width actually used (return) - * resHeight - Height actually used (return) - * - * Description: - * Finds a position in the text. - */ -/*ARGSUSED*/ -static void -FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width, - Bool stopAtWordBreak, XawTextPosition *resPos, - int *resWidth, int *resHeight) -{ - *resPos = fromPos; - *resHeight = *resWidth = 0; -} - -/* - * Function: - * FindDistance - * - * Parameters: - * w - TextSink Object - * fromPos - starting Position - * fromX - x location of starting Position - * toPos - end Position - * resWidth - Distance between fromPos and toPos - * resPos - Acutal toPos used - * resHeight - Height required by this text - * - * Description: - * Find the Pixel Distance between two text Positions. - */ -/*ARGSUSED*/ -static void -FindDistance(Widget w, XawTextPosition fromPos, int fromx, - XawTextPosition toPos, int *resWidth, - XawTextPosition *resPos, int *resHeight) -{ - *resWidth = *resHeight = 0; - *resPos = fromPos; -} - -/* - * Function: - * Resolve - * - * Parameters: - * w - TextSink Object - * pos - reference Position - * fromx - reference Location - * width - width to move - * resPos - resulting position - * - * Description: - * Resloves a location to a position. - */ -/*ARGSUSED*/ -static void -Resolve(Widget w, XawTextPosition pos, int fromx, int width, - XawTextPosition *resPos) -{ - *resPos = pos; -} - -/* - * Function: - * MaxLines - * - * Parameters: - * w - TextSink Object - * height - height to fit lines into - * - * Description: - * Finds the Maximum number of lines that will fit in a given height. - * - * Returns: - * Number of lines that will fit - */ -/*ARGSUSED*/ -static int -MaxLines(Widget w, unsigned int height) -{ - /* - * The fontset has gone down to descent Sink Widget, so - * the functions such MaxLines, SetTabs... are bound to the descent. - * - * by Li Yuhong, Jan. 15, 1991 - */ - return (0); -} - -/* - * Function: - * MaxHeight - * - * Parameters: - * w - TextSink Object - * lines - number of lines - * - * Description: - * Finds the Minium height that will contain a given number lines. - * - * Returns: - * the height - */ -/*ARGSUSED*/ -static int -MaxHeight(Widget w, int lines) -{ - return (0); -} - -/* - * Function: - * SetTabs - * - * Parameters: - * w - TextSink Object - * tab_count - the number of tabs in the list - * tabs - text positions of the tabs - * Description: - * Sets the Tab stops. - */ -/*ARGSUSED*/ -static void -SetTabs(Widget w, int tab_count, short *tabs) -{ - return; -} - -/* - * Function: - * GetCursorBounds - * - * Parameters: - * w - TextSinkObject. - * rect - X rectangle containing the cursor bounds - * - * Description: - * Finds the bounding box for the insert cursor (caret) - */ -/*ARGSUSED*/ -static void -GetCursorBounds(Widget w, XRectangle *rect) -{ - rect->x = rect->y = rect->width = rect->height = 0; -} - -/* - * Public Functions - */ -/* - * Function: - * XawTextSinkDisplayText - * - * Parameters: - * w - TextSink Object - * x - location to start drawing text - * y - "" - * pos1 - location of starting and ending points in the text buffer - * pos2 - "" - * highlight - hightlight this text? - */ -/*ARGSUSED*/ -void -XawTextSinkDisplayText(Widget w, -#if NeedWidePrototypes - int x, int y, -#else - Position x, Position y, -#endif - XawTextPosition pos1, XawTextPosition pos2, -#if NeedWidePrototypes - int highlight -#else - Boolean highlight -#endif -) -{ - _XawTextSinkDisplayText(w, x, y, pos1, pos2, highlight); -} - -void -_XawTextSinkDisplayText(Widget w, int x, int y, - XawTextPosition pos1, XawTextPosition pos2, - Bool highlight) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.DisplayText)(w, x, y, pos1, pos2, highlight); -} - -/* - * Function: - * XawTextSinkInsertCursor - * - * Parameters: - * w - TextSink Object - * x - location for the cursor - * y - "" - * state - whether to turn the cursor on, or off - * - * Description: - * Places the InsertCursor. - */ -/*ARGSUSED*/ -void -#if NeedWidePrototypes -XawTextSinkInsertCursor(Widget w, int x, int y, int state) -#else -XawTextSinkInsertCursor(Widget w, Position x, Position y, XawTextInsertState state) -#endif -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.InsertCursor)(w, x, y, state); -} - -/* - * Function: - * XawTextSinkClearToBackground - * - * Parameters: - * w - TextSink Object - * x - location of area to clear - * y - "" - * width - size of area to clear - * height - "" - * - * Description: - * Clears a region of the sink to the background color. - */ -/*ARGSUSED*/ -void -XawTextSinkClearToBackground(Widget w, -#if NeedWidePrototypes - int x, int y, - unsigned int width, unsigned int height -#else - Position x, Position y, - Dimension width, Dimension height -#endif -) -{ - _XawTextSinkClearToBackground(w, x, y, width, height); -} - -void -_XawTextSinkClearToBackground(Widget w, - int x, int y, - unsigned int width, unsigned int height) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.ClearToBackground)(w, x, y, width, height); -} - -/* - * Function: - * XawTextSinkFindPosition - * - * Parameters: - * w - TextSink Object - * fromPos - reference position - * fromX - reference location - * width - width of section to paint text - * stopAtWordBreak - returned position is a word break? - * resPos - position found (return) - * resWidth - Width actually used (return) - * resHeight - Height actually used (return) - * - * Description: - * Finds a position in the text. - */ -/*ARGSUSED*/ -void -XawTextSinkFindPosition(Widget w, XawTextPosition fromPos, int fromx, int width, -#if NeedWidePrototypes - int stopAtWordBreak, -#else - Boolean stopAtWordBreak, -#endif - XawTextPosition *resPos, int *resWidth, int *resHeight) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.FindPosition)(w, fromPos, fromx, width, - stopAtWordBreak, - resPos, resWidth, resHeight); -} - -/* - * Function: - * XawTextSinkFindDistance - * - * Parameters: - * w - TextSink Object - * fromPos - starting Position - * fromX - x location of starting Position - * toPos - end Position - * resWidth - Distance between fromPos and toPos - * resPos - Acutal toPos used - * resHeight - Height required by this text - * - * Description: - * Find the Pixel Distance between two text Positions. - */ -/*ARGSUSED*/ -void -XawTextSinkFindDistance(Widget w, XawTextPosition fromPos, int fromx, - XawTextPosition toPos, int *resWidth, - XawTextPosition *resPos, int *resHeight) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.FindDistance)(w, fromPos, fromx, toPos, - resWidth, resPos, resHeight); -} - -/* - * Function: - * XawTextSinkResolve - * - * Parameters: - * w - TextSink Object - * pos - reference Position - * fromx - reference Location - * width - width to move - * resPos - resulting position - * - * Description: - * Resloves a location to a position. - */ -/*ARGSUSED*/ -void -XawTextSinkResolve(Widget w, XawTextPosition pos, int fromx, int width, - XawTextPosition *resPos) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass) w->core.widget_class; - - (*cclass->text_sink_class.Resolve)(w, pos, fromx, width, resPos); -} - -/* - * Function: - * XawTextSinkMaxLines - * - * Parameters: - * w - TextSink Object - * height - height to fit lines into - * - * Description: - * Finds the Maximum number of lines that will fit in a given height. - * - * Returns: - * Number of lines that will fit - */ -/*ARGSUSED*/ -int -#if NeedWidePrototypes -XawTextSinkMaxLines(Widget w, unsigned int height) -#else -XawTextSinkMaxLines(Widget w, Dimension height) -#endif -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - return((*cclass->text_sink_class.MaxLines)(w, height)); -} - -/* - * Function: - * XawTextSinkMaxHeight - * - * Parameters: - * w - TextSink Object - * lines - number of lines - * - * Description: - * Finds the Minium height that will contain a given number lines. - * - * Returns: - * the height - */ -/*ARGSUSED*/ -int -XawTextSinkMaxHeight(Widget w, int lines) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - return((*cclass->text_sink_class.MaxHeight)(w, lines)); -} - -/* - * Function: - * XawTextSinkSetTabs - * - * Parameters: - * w - TextSink Object - * tab_count - the number of tabs in the list - * tabs - text positions of the tabs - * Description: - * Sets the Tab stops. - */ -void -XawTextSinkSetTabs(Widget w, int tab_count, int *tabs) -{ - if (tab_count > 0) { - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - short *char_tabs = (short*)XtMalloc((unsigned)tab_count * sizeof(short)); - short *tab, len = 0; - int i; - - for (i = tab_count, tab = char_tabs; i; i--) { - if ((short)*tabs > len) - *tab++ = (len = (short)*tabs++); - else { - tabs++; - --tab_count; - } - } - - if (tab_count > 0) - (*cclass->text_sink_class.SetTabs)(w, tab_count, char_tabs); - XtFree((char *)char_tabs); - } -} - -/* - * Function: - * XawTextSinkGetCursorBounds - * - * Parameters: - * w - TextSinkObject - * rect - X rectance containing the cursor bounds - * - * Description: - * Finds the bounding box for the insert cursor (caret). - */ -/*ARGSUSED*/ -void -XawTextSinkGetCursorBounds(Widget w, XRectangle *rect) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.GetCursorBounds)(w, rect); -} - -#ifndef OLDXAW -Bool -XawTextSinkBeginPaint(Widget w) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - if (cclass->text_sink_class.extension->BeginPaint == NULL || - cclass->text_sink_class.extension->PreparePaint == NULL || - cclass->text_sink_class.extension->DoPaint == NULL || - cclass->text_sink_class.extension->EndPaint == NULL) - return (False); - - return ((*cclass->text_sink_class.extension->BeginPaint)(w)); -} - -static Bool -BeginPaint(Widget w) -{ - TextSinkObject sink = (TextSinkObject)w; - - if (sink->text_sink.paint != NULL) - return (False); - - sink->text_sink.paint = XtNew(XawTextPaintList); - sink->text_sink.paint->clip = XmuCreateArea(); - sink->text_sink.paint->hightabs = NULL; - sink->text_sink.paint->paint = NULL; - sink->text_sink.paint->bearings = NULL; - - return (True); -} - -void -XawTextSinkPreparePaint(Widget w, int y, int line, XawTextPosition from, - XawTextPosition to, Bool highlight) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.extension->PreparePaint) - (w, y, line, from, to, highlight); -} - -#if 0 -/*ARGSUSED*/ -static void -PreparePaint(Widget w, int y, int line, XawTextPosition from, XawTextPosition to, - Bool highlight) -{ -} -#endif - -void -XawTextSinkDoPaint(Widget w) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - (*cclass->text_sink_class.extension->DoPaint)(w); -} - -#if 0 -/*ARGSUSED*/ -static void -DoPaint(Widget w) -{ -} -#endif - -Bool -XawTextSinkEndPaint(Widget w) -{ - TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class; - - return ((*cclass->text_sink_class.extension->EndPaint)(w)); -} - -static Bool -EndPaint(Widget w) -{ - TextSinkObject sink = (TextSinkObject)w; - XawTextPaintStruct *paint, *next; - - if (sink->text_sink.paint == NULL) - return (False); - - XmuDestroyArea(sink->text_sink.paint->clip); - if (sink->text_sink.paint->hightabs) - XmuDestroyArea(sink->text_sink.paint->hightabs); - paint = sink->text_sink.paint->paint; - while (paint) { - next = paint->next; - if (paint->text) - XtFree((XtPointer)paint->text); - if (paint->backtabs) - XmuDestroyArea(paint->backtabs); - XtFree((XtPointer)paint); - paint = next; - } - - paint = sink->text_sink.paint->bearings; - while (paint) { - next = paint->next; - if (paint->text) - XtFree((XtPointer)paint->text); - XtFree((XtPointer)paint); - paint = next; - } - - XtFree((XtPointer)sink->text_sink.paint); - sink->text_sink.paint = NULL; - return (True); -} - -static XawTextPropertyList **prop_lists; -static Cardinal num_prop_lists; - -static int -bcmp_qident(_Xconst void *left, _Xconst void *right) -{ - return ((long)left - (*(XawTextProperty**)right)->identifier); -} - -static int -qcmp_qident(_Xconst void *left, _Xconst void *right) -{ - return ((*(XawTextProperty**)left)->identifier - - (*(XawTextProperty**)right)->identifier); -} - -static void -SetXlfdDefaults(Display *display, XawTextProperty *property) -{ - Atom atom = XInternAtom(display, "FONT", True); - unsigned long value; - char *str; - - if (XGetFontProperty(property->font, atom, &value)) { - char *xlfd = XGetAtomName(display, value); - - if (xlfd) { - char *sep = xlfd + 1; - char *name = sep; - - property->xlfd = XrmStringToQuark(xlfd); - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->foundry = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->family = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->weight = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->slant = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->setwidth = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->addstyle = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->pixel_size = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->point_size = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->res_x = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->res_y = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->spacing = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->avgwidth = XrmStringToQuark(name); - name = sep; - - sep = strchr(sep, '-'); *sep++ = '\0'; - property->registry = XrmStringToQuark(name); - name = sep; - - property->encoding = XrmStringToQuark(name); - - XFree(xlfd); - } - } - - atom = XInternAtom(display, "UNDERLINE_THICKNESS", True); - if (XGetFontProperty(property->font, atom, &value) && - (str = XGetAtomName(display, value)) != NULL) { - property->underline_thickness = atoi(str); - XFree(str); - } - else { - /* XLFD says: - * CapStemWidth = average width of the stems of capitals - * if (UNDERLINE_THICKNESS undefined) then - * UNDERLINE_THICKNESS = CapStemWidth - * - * How do I know the value of CapStemWidth?? - */ - if (property->pixel_size != NULLQUARK) { - property->underline_thickness = - atoi(XrmQuarkToString(property->pixel_size)) / 10; - property->underline_thickness = - XawMax(1, property->underline_thickness); - } - else - property->underline_thickness = 1; - } - - atom = XInternAtom(display, "UNDERLINE_POSITION", True); - if (XGetFontProperty(property->font, atom, &value) && - (str = XGetAtomName(display, value)) != NULL) { - property->underline_position = atoi(str); - XFree(str); - } - else - /* XLFD says: - * if (UNDERLINE_POSITION undefined) then - * UNDERLINE_POSITION = ROUND((maximum_descent) / 2) - */ - property->underline_position = - property->font->max_bounds.descent >> 1; - - /* I am assuming xlfd does not consider that lines are - * centered in the path */ - property->underline_position += property->underline_thickness >> 1; - -} - -static void -DestroyTextPropertyList(XawTextPropertyList *list) -{ - int i; - - for (i = 0; i < list->num_properties; i++) { - if (list->properties[i]->font) - XFreeFont(DisplayOfScreen(list->screen), list->properties[i]->font); - XtFree((char*)list->properties[i]); - } - if (list->properties) - XtFree((char*)list->properties); - XtFree((char*)list); -} - -static XawTextProperty * -_XawTextSinkGetProperty(XawTextPropertyList *list, XrmQuark property) -{ - if (property != NULLQUARK && list && list->properties) { - XawTextProperty **ptr = (XawTextProperty**) - bsearch((void*)(long)property, - list->properties, list->num_properties, - sizeof(XawTextProperty*), bcmp_qident); - - if (ptr) - return (*ptr); - } - - return (NULL); -} - -XawTextProperty * -XawTextSinkGetProperty(Widget w, XrmQuark property) -{ - TextSinkObject sink = (TextSinkObject)w; - XawTextPropertyList *list = sink->text_sink.properties; - - return (_XawTextSinkGetProperty(list, property)); -} - -XawTextProperty * -XawTextSinkCopyProperty(Widget w, XrmQuark property) -{ - XawTextProperty *cur, *ret; - - if ((cur = XawTextSinkGetProperty(w, property)) == NULL) - cur = XawTextSinkGetProperty(w, Qdefault); - ret = (XawTextProperty*)XtCalloc(1, sizeof(XawTextProperty)); - if (cur) - memcpy(ret, cur, sizeof(XawTextProperty)); - ret->identifier = NULLQUARK; - ret->mask &= ~XAW_TPROP_FONT; - - return (ret); -} - -static XawTextProperty * -_XawTextSinkAddProperty(XawTextPropertyList *list, XawTextProperty *property, - Bool replace) -{ - XawTextProperty *result; - XColor color; - char identifier[1024]; - char foreground[16]; - char background[16]; - char *foundry, *family, *weight, *slant, *setwidth, *addstyle, *pixel_size, - *point_size, *res_x, *res_y, *spacing, *avgwidth, *registry, *encoding; - char *xlfd; - static char *asterisk = "*", *null = ""; - XrmQuark quark; - - if (list == NULL || property == NULL) - return (NULL); - - if (property->mask & XAW_TPROP_FOREGROUND) { - color.pixel = property->foreground; - XQueryColor(DisplayOfScreen(list->screen), list->colormap, &color); - XmuSnprintf(foreground, sizeof(foreground), "%04x%04x%04x", - color.red, color.green, color.blue); - } - else - strcpy(foreground, asterisk); - if (property->mask & XAW_TPROP_BACKGROUND) { - color.pixel = property->background; - XQueryColor(DisplayOfScreen(list->screen), list->colormap, &color); - XmuSnprintf(background, sizeof(background), "%04x%04x%04x", - color.red, color.green, color.blue); - } - else - strcpy(background, asterisk); - - if (property->xlfd_mask & XAW_TPROP_FOUNDRY) - foundry = XrmQuarkToString(property->foundry); - else - foundry = asterisk; - - /* use default, or what was requested */ - if (property->family != NULLQUARK) - family = XrmQuarkToString(property->family); - else - family = asterisk; - if (property->weight != NULLQUARK) - weight = XrmQuarkToString(property->weight); - else - weight = asterisk; - if (property->slant != NULLQUARK) { - slant = XrmQuarkToString(property->slant); - if (toupper(*slant) != 'R') - slant = asterisk; /* X defaults to italics, so, don't - care in resolving between `I' and `O' */ - } - else - slant = asterisk; - - if (property->xlfd_mask & XAW_TPROP_SETWIDTH) - setwidth = XrmQuarkToString(property->setwidth); - else - setwidth = asterisk; - if (property->xlfd_mask & XAW_TPROP_ADDSTYLE) - addstyle = XrmQuarkToString(property->addstyle); - else - addstyle = null; - - /* use default, or what was requested */ - if (!(property->mask & XAW_TPROP_POINTSIZE) && - property->pixel_size != NULLQUARK) - pixel_size = XrmQuarkToString(property->pixel_size); - else - pixel_size = asterisk; - - if (property->xlfd_mask & XAW_TPROP_POINTSIZE) - point_size = XrmQuarkToString(property->point_size); - else - point_size = asterisk; - if (property->xlfd_mask & XAW_TPROP_RESX) - res_x = XrmQuarkToString(property->res_x); - else - res_x = asterisk; - if (property->xlfd_mask & XAW_TPROP_RESY) - res_y = XrmQuarkToString(property->res_y); - else - res_y = asterisk; - if (property->xlfd_mask & XAW_TPROP_SPACING) - spacing = XrmQuarkToString(property->spacing); - else - spacing = asterisk; - if (property->xlfd_mask & XAW_TPROP_AVGWIDTH) - avgwidth = XrmQuarkToString(property->avgwidth); - else - avgwidth = asterisk; - - /* use default, or what that was requested */ - if (property->registry != NULLQUARK) - registry = XrmQuarkToString(property->registry); - else - registry = asterisk; - if (property->encoding != NULLQUARK) - encoding = XrmQuarkToString(property->encoding); - else - encoding = asterisk; - - if (replace) { - result = XtNew(XawTextProperty); - memcpy(result, property, sizeof(XawTextProperty)); - } - else - result = property; - - /* XXX should do the best to load a suitable font here */ - if (!(result->mask & XAW_TPROP_FONT)) { - XmuSnprintf(identifier, sizeof(identifier), - "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", - foundry, family, weight, slant, setwidth, addstyle, pixel_size, - point_size, res_x, res_y, spacing, avgwidth, registry, encoding); - if ((result->font = XLoadQueryFont(DisplayOfScreen(list->screen), - identifier)) != NULL) { - result->mask |= XAW_TPROP_FONT; - SetXlfdDefaults(DisplayOfScreen(list->screen), result); - } - else - result->mask &= ~XAW_TPROP_FONT; - } - - if (result->font) - xlfd = XrmQuarkToString(result->xlfd); - else - xlfd = null; - - XmuSnprintf(identifier, sizeof(identifier), "%08lx%08lx%s%s%d%d%d%d%s", - property->mask, property->xlfd_mask, - foreground, background, - (result->mask & XAW_TPROP_UNDERLINE) != 0, - (result->mask & XAW_TPROP_OVERSTRIKE) != 0, - (result->mask & XAW_TPROP_SUBSCRIPT) != 0, - (result->mask & XAW_TPROP_SUPERSCRIPT) != 0, - xlfd); - - quark = XrmStringToQuark(identifier); - if (result->identifier == NULLQUARK) - result->identifier = quark; - result->code = quark; - - if ((property = _XawTextSinkGetProperty(list, result->identifier)) != NULL) { - if (result->font) - XFreeFont(DisplayOfScreen(list->screen), result->font); - if (replace) - XtFree((XtPointer)result); - - return (property); - } - - list->properties = (XawTextProperty**) - XtRealloc((XtPointer)list->properties, sizeof(XawTextProperty*) * - (list->num_properties + 1)); - list->properties[list->num_properties++] = result; - qsort((void*)list->properties, list->num_properties, - sizeof(XawTextProperty*), qcmp_qident); - - return (result); -} - -XawTextProperty * -XawTextSinkAddProperty(Widget w, XawTextProperty *property) -{ - TextSinkObject sink = (TextSinkObject)w; - XawTextPropertyList *list = sink->text_sink.properties; - - return (_XawTextSinkAddProperty(list, property, True)); -} - -XawTextProperty * -XawTextSinkCombineProperty(Widget w, - XawTextProperty *property, XawTextProperty *combine, - Bool override) -{ - if (property == NULL || combine == NULL) - return (property); - - if ((override || !(property->mask & XAW_TPROP_FOREGROUND)) && - (combine->mask & XAW_TPROP_FOREGROUND)) { - property->mask |= XAW_TPROP_FOREGROUND; - property->foreground = combine->foreground; - } - if ((override || !(property->mask & XAW_TPROP_BACKGROUND)) && - (combine->mask & XAW_TPROP_BACKGROUND)) { - property->mask |= XAW_TPROP_BACKGROUND; - property->background = combine->background; - } - if ((override || !(property->mask & XAW_TPROP_FPIXMAP)) && - (combine->mask & XAW_TPROP_FPIXMAP)) { - property->mask |= XAW_TPROP_FPIXMAP; - property->foreground_pixmap = combine->foreground_pixmap; - } - if ((override || !(property->mask & XAW_TPROP_BPIXMAP)) && - (combine->mask & XAW_TPROP_BPIXMAP)) { - property->mask |= XAW_TPROP_BPIXMAP; - property->background_pixmap = combine->background_pixmap; - } - if (combine->mask & XAW_TPROP_UNDERLINE) - property->mask |= XAW_TPROP_UNDERLINE; - if (combine->mask & XAW_TPROP_OVERSTRIKE) - property->mask |= XAW_TPROP_OVERSTRIKE; - if ((override || !(property->mask & XAW_TPROP_SUPERSCRIPT)) && - (combine->mask & XAW_TPROP_SUBSCRIPT)) - property->mask |= XAW_TPROP_SUBSCRIPT; - if ((property->mask & XAW_TPROP_SUBSCRIPT) && - (combine->mask & XAW_TPROP_SUPERSCRIPT)) - property->mask |= XAW_TPROP_SUPERSCRIPT; - if ((override || !(property->xlfd_mask & XAW_TPROP_FOUNDRY)) && - (combine->xlfd_mask & XAW_TPROP_FOUNDRY)) { - property->xlfd_mask |= XAW_TPROP_FOUNDRY; - property->foundry = combine->foundry; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_FAMILY)) && - (combine->xlfd_mask & XAW_TPROP_FAMILY)) { - property->xlfd_mask |= XAW_TPROP_FAMILY; - property->family = combine->family; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_WEIGHT)) && - (combine->xlfd_mask & XAW_TPROP_WEIGHT)) { - property->xlfd_mask |= XAW_TPROP_WEIGHT; - property->weight = combine->weight; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_SLANT)) && - (combine->xlfd_mask & XAW_TPROP_SLANT)) { - property->xlfd_mask |= XAW_TPROP_SLANT; - property->slant = combine->slant; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_SETWIDTH)) && - (combine->xlfd_mask & XAW_TPROP_SETWIDTH)) { - property->xlfd_mask |= XAW_TPROP_SETWIDTH; - property->setwidth = combine->setwidth; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_ADDSTYLE)) && - (combine->xlfd_mask & XAW_TPROP_ADDSTYLE)) { - property->xlfd_mask |= XAW_TPROP_ADDSTYLE; - property->addstyle = combine->addstyle; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_PIXELSIZE)) && - (combine->xlfd_mask & XAW_TPROP_PIXELSIZE)) { - property->xlfd_mask |= XAW_TPROP_PIXELSIZE; - property->pixel_size = combine->pixel_size; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_POINTSIZE)) && - (combine->xlfd_mask & XAW_TPROP_POINTSIZE)) { - property->xlfd_mask |= XAW_TPROP_POINTSIZE; - property->point_size = combine->point_size; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_RESX)) && - (combine->xlfd_mask & XAW_TPROP_RESX)) { - property->xlfd_mask |= XAW_TPROP_RESX; - property->res_x = combine->res_x; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_RESY)) && - (combine->xlfd_mask & XAW_TPROP_RESY)) { - property->xlfd_mask |= XAW_TPROP_RESY; - property->res_y = combine->res_y; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_SPACING)) && - (combine->xlfd_mask & XAW_TPROP_SPACING)) { - property->xlfd_mask |= XAW_TPROP_SPACING; - property->spacing = combine->spacing; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_AVGWIDTH)) && - (combine->xlfd_mask & XAW_TPROP_AVGWIDTH)) { - property->xlfd_mask |= XAW_TPROP_AVGWIDTH; - property->avgwidth = combine->avgwidth; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_REGISTRY)) && - (combine->xlfd_mask & XAW_TPROP_REGISTRY)) { - property->xlfd_mask |= XAW_TPROP_REGISTRY; - property->registry = combine->registry; - } - if ((override || !(property->xlfd_mask & XAW_TPROP_ENCODING)) && - (combine->xlfd_mask & XAW_TPROP_ENCODING)) { - property->xlfd_mask |= XAW_TPROP_ENCODING; - property->encoding = combine->encoding; - } - - return (property); -} - -/* - * The default property must be defined first, if the code is willing to - * combine properties. - */ -XawTextPropertyList * -XawTextSinkConvertPropertyList(String name, String spec, Screen *screen, - Colormap colormap, int depth) -{ - XrmQuark qname = XrmStringToQuark(name); - XawTextPropertyList **ptr = NULL; - XawTextPropertyList *propl, *prev = NULL; - XawTextProperty *def_prop = NULL; - String str, tok, tmp; - char buffer[BUFSIZ]; - - if (prop_lists) ptr = (XawTextPropertyList**) - bsearch((void*)(long)qname, prop_lists, num_prop_lists, - sizeof(XawTextPropertyList*), bcmp_qident); - if (ptr) { - propl = *ptr; - while (propl) { - prev = propl; - if (propl->screen == screen && - propl->colormap == colormap && - propl->depth == depth) - return (propl); - propl = propl->next; - } - } - - propl = XtNew(XawTextPropertyList); - propl->identifier = qname; - propl->screen = screen; - propl->colormap = colormap; - propl->depth = depth; - propl->next = NULL; - - if (prev) - prev->next = propl; - - propl->properties = NULL; - propl->num_properties = 0; - - str = XtNewString(spec); - for (tok = str; tok; tok = tmp) { - XawTextProperty *prop; - XawParams *params; - XrmQuark ident; - XawArgVal *argval; - XColor color, exact; - - if (def_prop == NULL && propl->num_properties) - def_prop = _XawTextSinkGetProperty(propl, Qdefault); - tmp = strchr(tok, ','); - if (tmp) { - *tmp = '\0'; - if (*++tmp == '\0') - tmp = NULL; - } - params = XawParseParamsString(tok); - ident = XrmStringToQuark(params->name); - if (ident == NULLQUARK) { - XmuSnprintf(buffer, sizeof(buffer), - "Bad text property name \"%s\".", params->name); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), buffer); - DestroyTextPropertyList(propl); - if (prev) - prev->next = NULL; - XawFreeParamsStruct(params); - return (NULL); - } - else if (_XawTextSinkGetProperty(propl, ident) != NULL) { - XawFreeParamsStruct(params); - continue; - } - - prop = (XawTextProperty*)XtCalloc(1, sizeof(XawTextProperty)); - prop->identifier = ident; - - if ((argval = XawFindArgVal(params, "font")) != NULL && - argval->value) { - - if ((prop->font = XLoadQueryFont(DisplayOfScreen(screen), - argval->value)) == NULL) { - XmuSnprintf(buffer, sizeof(buffer), - "Cannot load font \"%s\".", argval->value); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), buffer); - DestroyTextPropertyList(propl); - if (prev) - prev->next = NULL; - XawFreeParamsStruct(params); - return (NULL); - } - prop->mask |= XAW_TPROP_FONT; - SetXlfdDefaults(DisplayOfScreen(screen), prop); - } - /* fontset processing here */ - - if ((argval = XawFindArgVal(params, "foreground")) != NULL && - argval->value) { - if (!XAllocNamedColor(DisplayOfScreen(screen), colormap, - argval->value, &color, &exact)) { - XmuSnprintf(buffer, sizeof(buffer), - "Cannot allocate color \"%s\".", argval->value); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), buffer); - DestroyTextPropertyList(propl); - if (prev) - prev->next = NULL; - XawFreeParamsStruct(params); - return (NULL); - } - prop->foreground = color.pixel; - prop->mask |= XAW_TPROP_FOREGROUND; - } - if ((argval = XawFindArgVal(params, "background")) != NULL && - argval->value) { - if (!XAllocNamedColor(DisplayOfScreen(screen), colormap, - argval->value, &color, &exact)) { - XmuSnprintf(buffer, sizeof(buffer), - "Cannot allocate color \"%s\".", argval->value); - XtAppWarning(XtDisplayToApplicationContext - (DisplayOfScreen(screen)), buffer); - DestroyTextPropertyList(propl); - if (prev) - prev->next = NULL; - XawFreeParamsStruct(params); - return (NULL); - } - prop->background = color.pixel; - prop->mask |= XAW_TPROP_BACKGROUND; - } - /* foreground_pixmap and background_pixmap processing here */ - - if (XawFindArgVal(params, "underline")) - prop->mask |= XAW_TPROP_UNDERLINE; - if (XawFindArgVal(params, "overstrike")) - prop->mask |= XAW_TPROP_OVERSTRIKE; - - if (XawFindArgVal(params, "subscript")) - prop->mask |= XAW_TPROP_SUBSCRIPT; - else if (XawFindArgVal(params, "superscript")) - prop->mask |= XAW_TPROP_SUPERSCRIPT; - - /* xlfd */ - if ((argval = XawFindArgVal(params, "foundry")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_FOUNDRY; - prop->foundry = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "family")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_FAMILY; - prop->family = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "weight")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_WEIGHT; - prop->weight = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "slant")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_SLANT; - prop->slant = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "setwidth")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_SETWIDTH; - prop->setwidth = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "addstyle")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_ADDSTYLE; - prop->addstyle = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "pixelsize")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_PIXELSIZE; - prop->pixel_size = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "pointsize")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_POINTSIZE; - prop->point_size = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "resx")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_RESX; - prop->res_x = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "resy")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_RESY; - prop->res_y = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "spacing")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_SPACING; - prop->spacing = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "avgwidth")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_AVGWIDTH; - prop->avgwidth = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "registry")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_REGISTRY; - prop->registry = XrmStringToQuark(argval->value); - } - if ((argval = XawFindArgVal(params, "encoding")) != NULL && - argval->value) { - prop->xlfd_mask |= XAW_TPROP_ENCODING; - prop->encoding = XrmStringToQuark(argval->value); - } - - if (def_prop) - (void)XawTextSinkCombineProperty(NULL, prop, def_prop, False); - (void)_XawTextSinkAddProperty(propl, prop, False); - - XawFreeParamsStruct(params); - } - - prop_lists = (XawTextPropertyList**) - XtRealloc((XtPointer)prop_lists, sizeof(XawTextPropertyList*) * - (num_prop_lists + 1)); - prop_lists[num_prop_lists++] = propl; - qsort((void*)prop_lists, num_prop_lists, sizeof(XawTextPropertyList*), - qcmp_qident); - - XtFree(str); - - return (propl); -} - -/*ARGSUSED*/ -static Boolean -CvtStringToPropertyList(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - XawTextPropertyList *propl = NULL; - String name; - Widget w; - - if (*num_args != 1) { - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - "wrongParameters", "cvtStringToTextProperties", - "ToolkitError", - "String to textProperties conversion needs widget argument", - NULL, NULL); - return (False); - } - - w = *(Widget*)args[0].addr; - while (w && !XtIsWidget(w)) - w = XtParent(w); - - name = (String)(fromVal[0].addr); - - if (w) { - XawTextPropertyList **ptr = NULL; - if (prop_lists) ptr = (XawTextPropertyList**) - bsearch((void*)(long)XrmStringToQuark(name), - prop_lists, num_prop_lists, - sizeof(XawTextPropertyList*), bcmp_qident); - - if (ptr) { - Screen *screen = w->core.screen; - Colormap colormap = w->core.colormap; - int depth = w->core.depth; - - propl = *ptr; - while (propl) { - if (propl->screen == screen && - propl->colormap == colormap && - propl->depth == depth) - break; - propl = propl->next; - } - } - } - - if (!propl) { - XtDisplayStringConversionWarning(dpy, (String)fromVal->addr, - XawRTextProperties); - toVal->addr = NULL; - toVal->size = sizeof(XawTextPropertyList*); - return (False); - } - - if (toVal->addr != NULL) { - if (toVal->size < sizeof(XawTextPropertyList*)) { - toVal->size = sizeof(XawTextPropertyList*); - return (False); - } - *(XawTextPropertyList**)(toVal->addr) = propl; - } - else { - static XawTextPropertyList *static_val; - - static_val = propl; - toVal->addr = (XPointer)&static_val; - } - toVal->size = sizeof(XawTextProperty*); - - return (True); -} - -/*ARGSUSED*/ -static Boolean -CvtPropertyListToString(Display *dpy, XrmValue *args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *converter_data) -{ - static char *buffer; - Cardinal size; - XawTextPropertyList *propl; - - propl = *(XawTextPropertyList**)fromVal[0].addr; - - buffer = XrmQuarkToString(propl->identifier); - size = strlen(buffer) + 1; - - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = buffer; - toVal->size = size; - - return (True); -} -#endif +/*
+
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * Author: Chris Peterson, MIT X Consortium.
+ *
+ * Much code taken from X11R3 AsciiSink.
+ */
+
+/*
+ * TextSink.c - TextSink object. (For use with the text widget).
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/TextSinkP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Prototypes
+ */
+static void XawTextSinkClassPartInitialize(WidgetClass);
+static void XawTextSinkInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawTextSinkDestroy(Widget);
+static Boolean XawTextSinkSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+static int MaxLines(Widget, unsigned int);
+static int MaxHeight(Widget, int);
+static void DisplayText(Widget, int, int, XawTextPosition, XawTextPosition,
+ Bool);
+static void InsertCursor(Widget, int, int, XawTextInsertState);
+static void ClearToBackground(Widget, int, int, unsigned int, unsigned int);
+static void FindPosition(Widget, XawTextPosition, int, int, Bool,
+ XawTextPosition*, int*, int*);
+static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*,
+ XawTextPosition*, int*);
+static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*);
+static void SetTabs(Widget, int, short*);
+static void GetCursorBounds(Widget, XRectangle*);
+
+#ifndef OLDXAW
+static Boolean CvtStringToPropertyList(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Boolean CvtPropertyListToString(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static Bool BeginPaint(Widget);
+static Bool EndPaint(Widget);
+static void SetXlfdDefaults(Display*, XawTextProperty*);
+#endif
+
+/*
+ * External
+ */
+void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned);
+void _XawTextSinkDisplayText(Widget, int, int, XawTextPosition, XawTextPosition,
+ Bool);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(TextSinkRec, text_sink.field)
+static XtResource resources[] = {
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(foreground),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XtNbackground,
+ XtCBackground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(background),
+ XtRString,
+ XtDefaultBackground
+ },
+#ifndef OLDXAW
+ {
+ XtNcursorColor,
+ XtCColor,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(cursor_color),
+ XtRString,
+ XtDefaultForeground
+ },
+ {
+ XawNtextProperties,
+ XawCTextProperties,
+ XawRTextProperties,
+ sizeof(XawTextPropertyList*),
+ offset(properties),
+ XtRImmediate,
+ NULL
+ },
+#endif
+};
+#undef offset
+
+#ifndef OLDXAW
+static TextSinkExtRec extension_rec = {
+ NULL, /* next_extension */
+ NULLQUARK, /* record_type */
+ 1, /* version */
+ sizeof(TextSinkExtRec), /* record_size */
+ BeginPaint,
+ NULL,
+ NULL,
+ EndPaint
+};
+
+static XrmQuark Qdefault;
+#endif
+
+#define Superclass (&objectClassRec)
+TextSinkClassRec textSinkClassRec = {
+ /* object */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "TextSink", /* class_name */
+ sizeof(TextSinkRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ XawTextSinkClassPartInitialize, /* class_part_initialize */
+ False, /* class_inited */
+ XawTextSinkInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* obj1 */
+ NULL, /* obj2 */
+ 0, /* obj3 */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* obj4 */
+ False, /* obj5 */
+ False, /* obj6 */
+ False, /* obj7 */
+ XawTextSinkDestroy, /* destroy */
+ NULL, /* obj8 */
+ NULL, /* obj9 */
+ XawTextSinkSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* obj10 */
+ NULL, /* get_values_hook */
+ NULL, /* obj11 */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* obj12 */
+ NULL, /* obj13 */
+ NULL, /* obj14 */
+ NULL, /* extension */
+ },
+ /* text_sink */
+ {
+ DisplayText, /* DisplayText */
+ InsertCursor, /* InsertCursor */
+ ClearToBackground, /* ClearToBackground */
+ FindPosition, /* FindPosition */
+ FindDistance, /* FindDistance */
+ Resolve, /* Resolve */
+ MaxLines, /* MaxLines */
+ MaxHeight, /* MaxHeight */
+ SetTabs, /* SetTabs */
+ GetCursorBounds, /* GetCursorBounds */
+ },
+};
+
+WidgetClass textSinkObjectClass = (WidgetClass)&textSinkClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawTextSinkClassPartInitialize(WidgetClass wc)
+{
+ TextSinkObjectClass t_src, superC;
+#ifndef OLDXAW
+ static XtConvertArgRec CvtArgs[] = {
+ {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.self),
+ sizeof(Widget)},
+ };
+#endif
+
+ t_src = (TextSinkObjectClass) wc;
+ superC = (TextSinkObjectClass) t_src->object_class.superclass;
+
+#ifndef OLDXAW
+ extension_rec.record_type = XrmPermStringToQuark("TextSink");
+ extension_rec.next_extension = (XtPointer)t_src->text_sink_class.extension;
+ t_src->text_sink_class.extension = &extension_rec;
+
+ Qdefault = XrmPermStringToQuark("default");
+#endif
+
+ /*
+ * We don't need to check for null super since we'll get to TextSink
+ * eventually.
+ */
+ if (t_src->text_sink_class.DisplayText == XtInheritDisplayText)
+ t_src->text_sink_class.DisplayText =
+ superC->text_sink_class.DisplayText;
+
+ if (t_src->text_sink_class.InsertCursor == XtInheritInsertCursor)
+ t_src->text_sink_class.InsertCursor =
+ superC->text_sink_class.InsertCursor;
+
+ if (t_src->text_sink_class.ClearToBackground== XtInheritClearToBackground)
+ t_src->text_sink_class.ClearToBackground =
+ superC->text_sink_class.ClearToBackground;
+
+ if (t_src->text_sink_class.FindPosition == XtInheritFindPosition)
+ t_src->text_sink_class.FindPosition =
+ superC->text_sink_class.FindPosition;
+
+ if (t_src->text_sink_class.FindDistance == XtInheritFindDistance)
+ t_src->text_sink_class.FindDistance =
+ superC->text_sink_class.FindDistance;
+
+ if (t_src->text_sink_class.Resolve == XtInheritResolve)
+ t_src->text_sink_class.Resolve =
+ superC->text_sink_class.Resolve;
+
+ if (t_src->text_sink_class.MaxLines == XtInheritMaxLines)
+ t_src->text_sink_class.MaxLines =
+ superC->text_sink_class.MaxLines;
+
+ if (t_src->text_sink_class.MaxHeight == XtInheritMaxHeight)
+ t_src->text_sink_class.MaxHeight =
+ superC->text_sink_class.MaxHeight;
+
+ if (t_src->text_sink_class.SetTabs == XtInheritSetTabs)
+ t_src->text_sink_class.SetTabs =
+ superC->text_sink_class.SetTabs;
+
+ if (t_src->text_sink_class.GetCursorBounds == XtInheritGetCursorBounds)
+ t_src->text_sink_class.GetCursorBounds =
+ superC->text_sink_class.GetCursorBounds;
+
+#ifndef OLDXAW
+ XtSetTypeConverter(XtRString, XawRTextProperties, CvtStringToPropertyList,
+ &CvtArgs[0], XtNumber(CvtArgs), XtCacheNone, NULL);
+ XtSetTypeConverter(XawRTextProperties, XtRString, CvtPropertyListToString,
+ NULL, 0, XtCacheNone, NULL);
+#endif
+}
+
+/*
+ * Function:
+ * XawTextSinkInitialize
+ *
+ * Parameters:
+ * request - requested and new values for the object instance
+ * cnew - ""
+ *
+ * Description:
+ * Initializes the TextSink Object.
+ */
+/*ARGSUSED*/
+static void
+XawTextSinkInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TextSinkObject sink = (TextSinkObject)cnew;
+
+ sink->text_sink.tab_count = 0; /* Initialize the tab stops. */
+ sink->text_sink.tabs = NULL;
+ sink->text_sink.char_tabs = NULL;
+#ifndef OLDXAW
+ sink->text_sink.paint = NULL;
+#endif
+}
+
+/*
+ * Function:
+ * XawTextSinkDestroy
+ *
+ * Parameters:
+ * w - TextSink Object
+ *
+ * Description:
+ * This function cleans up when the object is destroyed.
+ */
+static void
+XawTextSinkDestroy(Widget w)
+{
+ TextSinkObject sink = (TextSinkObject) w;
+
+ XtFree((char *)sink->text_sink.tabs);
+ XtFree((char *)sink->text_sink.char_tabs);
+}
+
+/*
+ * Function:
+ * XawTextSinkSetValues
+ *
+ * Parameters:
+ * current - current state of the object
+ * request - what was requested
+ * cnew - what the object will become
+ *
+ * Description:
+ * Sets the values for the TextSink.
+ *
+ * Returns:
+ * True if redisplay is needed
+ */
+/*ARGSUSED*/
+static Boolean
+XawTextSinkSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TextSinkObject w = (TextSinkObject)cnew;
+ TextSinkObject old_w = (TextSinkObject)current;
+
+ if (w->text_sink.foreground != old_w->text_sink.foreground)
+ ((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+
+ return (False);
+}
+
+/*
+ * Function:
+ * DisplayText
+ *
+ * Parameters:
+ * w - TextSink Object
+ * x - location to start drawing text
+ * y - ""
+ * pos1 - location of starting and ending points in the text buffer
+ * pos2 - ""
+ * highlight - hightlight this text?
+ *
+ * Description:
+ * Stub function that in subclasses will display text.
+ */
+/*ARGSUSED*/
+static void
+DisplayText(Widget w, int x, int y,
+ XawTextPosition pos1, XawTextPosition pos2, Bool highlight)
+{
+ return;
+}
+
+/*
+ * Function:
+ * InsertCursor
+ *
+ * Parameters:
+ * w - TextSink Object
+ * x - location for the cursor
+ * y - ""
+ * state - whether to turn the cursor on, or off
+ *
+ * Description:
+ * Places the InsertCursor.
+ */
+/*ARGSUSED*/
+static void
+InsertCursor(Widget w, int x, int y, XawTextInsertState state)
+{
+ return;
+}
+
+/*
+ * Function:
+ * ClearToBackground
+ *
+ * Parameters:
+ * w - TextSink Object
+ * x - location of area to clear
+ * y - ""
+ * width - size of area to clear
+ * height - ""
+ *
+ * Description:
+ * Clears a region of the sink to the background color.
+ */
+/*ARGSUSED*/
+static void
+ClearToBackground(Widget w, int x, int y,
+ unsigned int width, unsigned int height)
+{
+ /*
+ * Don't clear in height or width are zero
+ * XClearArea() has special semantic for these values
+ */
+ TextWidget xaw = (TextWidget)XtParent(w);
+ Position x1, y1, x2, y2;
+
+ x1 = XawMax(x, xaw->text.r_margin.left);
+ y1 = XawMax(y, xaw->text.r_margin.top);
+ x2 = XawMin(x + (int)width, (int)XtWidth(xaw) - xaw->text.r_margin.right);
+ y2 = XawMin(y + (int)height, (int)XtHeight(xaw) - xaw->text.r_margin.bottom);
+
+ x = x1;
+ y = y1;
+ width = XawMax(0, x2 - x1);
+ height = XawMax(0, y2 - y1);
+
+ if (height != 0 && width != 0)
+ XClearArea(XtDisplayOfObject(w), XtWindowOfObject(w),
+ x, y, width, height, False);
+}
+
+/*
+ * Function:
+ * FindPosition
+ *
+ * Parameters:
+ * w - TextSink Object
+ * fromPos - reference position
+ * fromX - reference location
+ * width - width of section to paint text
+ * stopAtWordBreak - returned position is a word break?
+ * resPos - position found (return)
+ * resWidth - Width actually used (return)
+ * resHeight - Height actually used (return)
+ *
+ * Description:
+ * Finds a position in the text.
+ */
+/*ARGSUSED*/
+static void
+FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width,
+ Bool stopAtWordBreak, XawTextPosition *resPos,
+ int *resWidth, int *resHeight)
+{
+ *resPos = fromPos;
+ *resHeight = *resWidth = 0;
+}
+
+/*
+ * Function:
+ * FindDistance
+ *
+ * Parameters:
+ * w - TextSink Object
+ * fromPos - starting Position
+ * fromX - x location of starting Position
+ * toPos - end Position
+ * resWidth - Distance between fromPos and toPos
+ * resPos - Acutal toPos used
+ * resHeight - Height required by this text
+ *
+ * Description:
+ * Find the Pixel Distance between two text Positions.
+ */
+/*ARGSUSED*/
+static void
+FindDistance(Widget w, XawTextPosition fromPos, int fromx,
+ XawTextPosition toPos, int *resWidth,
+ XawTextPosition *resPos, int *resHeight)
+{
+ *resWidth = *resHeight = 0;
+ *resPos = fromPos;
+}
+
+/*
+ * Function:
+ * Resolve
+ *
+ * Parameters:
+ * w - TextSink Object
+ * pos - reference Position
+ * fromx - reference Location
+ * width - width to move
+ * resPos - resulting position
+ *
+ * Description:
+ * Resloves a location to a position.
+ */
+/*ARGSUSED*/
+static void
+Resolve(Widget w, XawTextPosition pos, int fromx, int width,
+ XawTextPosition *resPos)
+{
+ *resPos = pos;
+}
+
+/*
+ * Function:
+ * MaxLines
+ *
+ * Parameters:
+ * w - TextSink Object
+ * height - height to fit lines into
+ *
+ * Description:
+ * Finds the Maximum number of lines that will fit in a given height.
+ *
+ * Returns:
+ * Number of lines that will fit
+ */
+/*ARGSUSED*/
+static int
+MaxLines(Widget w, unsigned int height)
+{
+ /*
+ * The fontset has gone down to descent Sink Widget, so
+ * the functions such MaxLines, SetTabs... are bound to the descent.
+ *
+ * by Li Yuhong, Jan. 15, 1991
+ */
+ return (0);
+}
+
+/*
+ * Function:
+ * MaxHeight
+ *
+ * Parameters:
+ * w - TextSink Object
+ * lines - number of lines
+ *
+ * Description:
+ * Finds the Minium height that will contain a given number lines.
+ *
+ * Returns:
+ * the height
+ */
+/*ARGSUSED*/
+static int
+MaxHeight(Widget w, int lines)
+{
+ return (0);
+}
+
+/*
+ * Function:
+ * SetTabs
+ *
+ * Parameters:
+ * w - TextSink Object
+ * tab_count - the number of tabs in the list
+ * tabs - text positions of the tabs
+ * Description:
+ * Sets the Tab stops.
+ */
+/*ARGSUSED*/
+static void
+SetTabs(Widget w, int tab_count, short *tabs)
+{
+ return;
+}
+
+/*
+ * Function:
+ * GetCursorBounds
+ *
+ * Parameters:
+ * w - TextSinkObject.
+ * rect - X rectangle containing the cursor bounds
+ *
+ * Description:
+ * Finds the bounding box for the insert cursor (caret)
+ */
+/*ARGSUSED*/
+static void
+GetCursorBounds(Widget w, XRectangle *rect)
+{
+ rect->x = rect->y = rect->width = rect->height = 0;
+}
+
+/*
+ * Public Functions
+ */
+/*
+ * Function:
+ * XawTextSinkDisplayText
+ *
+ * Parameters:
+ * w - TextSink Object
+ * x - location to start drawing text
+ * y - ""
+ * pos1 - location of starting and ending points in the text buffer
+ * pos2 - ""
+ * highlight - hightlight this text?
+ */
+/*ARGSUSED*/
+void
+XawTextSinkDisplayText(Widget w,
+#if NeedWidePrototypes
+ int x, int y,
+#else
+ Position x, Position y,
+#endif
+ XawTextPosition pos1, XawTextPosition pos2,
+#if NeedWidePrototypes
+ int highlight
+#else
+ Boolean highlight
+#endif
+)
+{
+ _XawTextSinkDisplayText(w, x, y, pos1, pos2, highlight);
+}
+
+void
+_XawTextSinkDisplayText(Widget w, int x, int y,
+ XawTextPosition pos1, XawTextPosition pos2,
+ Bool highlight)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.DisplayText)(w, x, y, pos1, pos2, highlight);
+}
+
+/*
+ * Function:
+ * XawTextSinkInsertCursor
+ *
+ * Parameters:
+ * w - TextSink Object
+ * x - location for the cursor
+ * y - ""
+ * state - whether to turn the cursor on, or off
+ *
+ * Description:
+ * Places the InsertCursor.
+ */
+/*ARGSUSED*/
+void
+#if NeedWidePrototypes
+XawTextSinkInsertCursor(Widget w, int x, int y, int state)
+#else
+XawTextSinkInsertCursor(Widget w, Position x, Position y, XawTextInsertState state)
+#endif
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.InsertCursor)(w, x, y, state);
+}
+
+/*
+ * Function:
+ * XawTextSinkClearToBackground
+ *
+ * Parameters:
+ * w - TextSink Object
+ * x - location of area to clear
+ * y - ""
+ * width - size of area to clear
+ * height - ""
+ *
+ * Description:
+ * Clears a region of the sink to the background color.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkClearToBackground(Widget w,
+#if NeedWidePrototypes
+ int x, int y,
+ unsigned int width, unsigned int height
+#else
+ Position x, Position y,
+ Dimension width, Dimension height
+#endif
+)
+{
+ _XawTextSinkClearToBackground(w, x, y, width, height);
+}
+
+void
+_XawTextSinkClearToBackground(Widget w,
+ int x, int y,
+ unsigned int width, unsigned int height)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.ClearToBackground)(w, x, y, width, height);
+}
+
+/*
+ * Function:
+ * XawTextSinkFindPosition
+ *
+ * Parameters:
+ * w - TextSink Object
+ * fromPos - reference position
+ * fromX - reference location
+ * width - width of section to paint text
+ * stopAtWordBreak - returned position is a word break?
+ * resPos - position found (return)
+ * resWidth - Width actually used (return)
+ * resHeight - Height actually used (return)
+ *
+ * Description:
+ * Finds a position in the text.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkFindPosition(Widget w, XawTextPosition fromPos, int fromx, int width,
+#if NeedWidePrototypes
+ int stopAtWordBreak,
+#else
+ Boolean stopAtWordBreak,
+#endif
+ XawTextPosition *resPos, int *resWidth, int *resHeight)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.FindPosition)(w, fromPos, fromx, width,
+ stopAtWordBreak,
+ resPos, resWidth, resHeight);
+}
+
+/*
+ * Function:
+ * XawTextSinkFindDistance
+ *
+ * Parameters:
+ * w - TextSink Object
+ * fromPos - starting Position
+ * fromX - x location of starting Position
+ * toPos - end Position
+ * resWidth - Distance between fromPos and toPos
+ * resPos - Acutal toPos used
+ * resHeight - Height required by this text
+ *
+ * Description:
+ * Find the Pixel Distance between two text Positions.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkFindDistance(Widget w, XawTextPosition fromPos, int fromx,
+ XawTextPosition toPos, int *resWidth,
+ XawTextPosition *resPos, int *resHeight)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.FindDistance)(w, fromPos, fromx, toPos,
+ resWidth, resPos, resHeight);
+}
+
+/*
+ * Function:
+ * XawTextSinkResolve
+ *
+ * Parameters:
+ * w - TextSink Object
+ * pos - reference Position
+ * fromx - reference Location
+ * width - width to move
+ * resPos - resulting position
+ *
+ * Description:
+ * Resloves a location to a position.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkResolve(Widget w, XawTextPosition pos, int fromx, int width,
+ XawTextPosition *resPos)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass) w->core.widget_class;
+
+ (*cclass->text_sink_class.Resolve)(w, pos, fromx, width, resPos);
+}
+
+/*
+ * Function:
+ * XawTextSinkMaxLines
+ *
+ * Parameters:
+ * w - TextSink Object
+ * height - height to fit lines into
+ *
+ * Description:
+ * Finds the Maximum number of lines that will fit in a given height.
+ *
+ * Returns:
+ * Number of lines that will fit
+ */
+/*ARGSUSED*/
+int
+#if NeedWidePrototypes
+XawTextSinkMaxLines(Widget w, unsigned int height)
+#else
+XawTextSinkMaxLines(Widget w, Dimension height)
+#endif
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ return((*cclass->text_sink_class.MaxLines)(w, height));
+}
+
+/*
+ * Function:
+ * XawTextSinkMaxHeight
+ *
+ * Parameters:
+ * w - TextSink Object
+ * lines - number of lines
+ *
+ * Description:
+ * Finds the Minium height that will contain a given number lines.
+ *
+ * Returns:
+ * the height
+ */
+/*ARGSUSED*/
+int
+XawTextSinkMaxHeight(Widget w, int lines)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ return((*cclass->text_sink_class.MaxHeight)(w, lines));
+}
+
+/*
+ * Function:
+ * XawTextSinkSetTabs
+ *
+ * Parameters:
+ * w - TextSink Object
+ * tab_count - the number of tabs in the list
+ * tabs - text positions of the tabs
+ * Description:
+ * Sets the Tab stops.
+ */
+void
+XawTextSinkSetTabs(Widget w, int tab_count, int *tabs)
+{
+ if (tab_count > 0) {
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+ short *char_tabs = (short*)XtMalloc((unsigned)tab_count * sizeof(short));
+ short *tab, len = 0;
+ int i;
+
+ for (i = tab_count, tab = char_tabs; i; i--) {
+ if ((short)*tabs > len)
+ *tab++ = (len = (short)*tabs++);
+ else {
+ tabs++;
+ --tab_count;
+ }
+ }
+
+ if (tab_count > 0)
+ (*cclass->text_sink_class.SetTabs)(w, tab_count, char_tabs);
+ XtFree((char *)char_tabs);
+ }
+}
+
+/*
+ * Function:
+ * XawTextSinkGetCursorBounds
+ *
+ * Parameters:
+ * w - TextSinkObject
+ * rect - X rectance containing the cursor bounds
+ *
+ * Description:
+ * Finds the bounding box for the insert cursor (caret).
+ */
+/*ARGSUSED*/
+void
+XawTextSinkGetCursorBounds(Widget w, XRectangle *rect)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.GetCursorBounds)(w, rect);
+}
+
+#ifndef OLDXAW
+Bool
+XawTextSinkBeginPaint(Widget w)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ if (cclass->text_sink_class.extension->BeginPaint == NULL ||
+ cclass->text_sink_class.extension->PreparePaint == NULL ||
+ cclass->text_sink_class.extension->DoPaint == NULL ||
+ cclass->text_sink_class.extension->EndPaint == NULL)
+ return (False);
+
+ return ((*cclass->text_sink_class.extension->BeginPaint)(w));
+}
+
+static Bool
+BeginPaint(Widget w)
+{
+ TextSinkObject sink = (TextSinkObject)w;
+
+ if (sink->text_sink.paint != NULL)
+ return (False);
+
+ sink->text_sink.paint = XtNew(XawTextPaintList);
+ sink->text_sink.paint->clip = XmuCreateArea();
+ sink->text_sink.paint->hightabs = NULL;
+ sink->text_sink.paint->paint = NULL;
+ sink->text_sink.paint->bearings = NULL;
+
+ return (True);
+}
+
+void
+XawTextSinkPreparePaint(Widget w, int y, int line, XawTextPosition from,
+ XawTextPosition to, Bool highlight)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.extension->PreparePaint)
+ (w, y, line, from, to, highlight);
+}
+
+#if 0
+/*ARGSUSED*/
+static void
+PreparePaint(Widget w, int y, int line, XawTextPosition from, XawTextPosition to,
+ Bool highlight)
+{
+}
+#endif
+
+void
+XawTextSinkDoPaint(Widget w)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ (*cclass->text_sink_class.extension->DoPaint)(w);
+}
+
+#if 0
+/*ARGSUSED*/
+static void
+DoPaint(Widget w)
+{
+}
+#endif
+
+Bool
+XawTextSinkEndPaint(Widget w)
+{
+ TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+ return ((*cclass->text_sink_class.extension->EndPaint)(w));
+}
+
+static Bool
+EndPaint(Widget w)
+{
+ TextSinkObject sink = (TextSinkObject)w;
+ XawTextPaintStruct *paint, *next;
+
+ if (sink->text_sink.paint == NULL)
+ return (False);
+
+ XmuDestroyArea(sink->text_sink.paint->clip);
+ if (sink->text_sink.paint->hightabs)
+ XmuDestroyArea(sink->text_sink.paint->hightabs);
+ paint = sink->text_sink.paint->paint;
+ while (paint) {
+ next = paint->next;
+ if (paint->text)
+ XtFree((XtPointer)paint->text);
+ if (paint->backtabs)
+ XmuDestroyArea(paint->backtabs);
+ XtFree((XtPointer)paint);
+ paint = next;
+ }
+
+ paint = sink->text_sink.paint->bearings;
+ while (paint) {
+ next = paint->next;
+ if (paint->text)
+ XtFree((XtPointer)paint->text);
+ XtFree((XtPointer)paint);
+ paint = next;
+ }
+
+ XtFree((XtPointer)sink->text_sink.paint);
+ sink->text_sink.paint = NULL;
+ return (True);
+}
+
+static XawTextPropertyList **prop_lists;
+static Cardinal num_prop_lists;
+
+static int
+bcmp_qident(_Xconst void *left, _Xconst void *right)
+{
+ return ((long)left - (*(XawTextProperty**)right)->identifier);
+}
+
+static int
+qcmp_qident(_Xconst void *left, _Xconst void *right)
+{
+ return ((*(XawTextProperty**)left)->identifier -
+ (*(XawTextProperty**)right)->identifier);
+}
+
+static void
+SetXlfdDefaults(Display *display, XawTextProperty *property)
+{
+ Atom atom = XInternAtom(display, "FONT", True);
+ unsigned long value;
+ char *str;
+
+ if (XGetFontProperty(property->font, atom, &value)) {
+ char *xlfd = XGetAtomName(display, value);
+
+ if (xlfd) {
+ char *sep = xlfd + 1;
+ char *name = sep;
+
+ property->xlfd = XrmStringToQuark(xlfd);
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->foundry = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->family = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->weight = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->slant = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->setwidth = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->addstyle = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->pixel_size = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->point_size = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->res_x = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->res_y = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->spacing = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->avgwidth = XrmStringToQuark(name);
+ name = sep;
+
+ sep = strchr(sep, '-'); *sep++ = '\0';
+ property->registry = XrmStringToQuark(name);
+ name = sep;
+
+ property->encoding = XrmStringToQuark(name);
+
+ XFree(xlfd);
+ }
+ }
+
+ atom = XInternAtom(display, "UNDERLINE_THICKNESS", True);
+ if (XGetFontProperty(property->font, atom, &value) &&
+ (str = XGetAtomName(display, value)) != NULL) {
+ property->underline_thickness = atoi(str);
+ XFree(str);
+ }
+ else {
+ /* XLFD says:
+ * CapStemWidth = average width of the stems of capitals
+ * if (UNDERLINE_THICKNESS undefined) then
+ * UNDERLINE_THICKNESS = CapStemWidth
+ *
+ * How do I know the value of CapStemWidth??
+ */
+ if (property->pixel_size != NULLQUARK) {
+ property->underline_thickness =
+ atoi(XrmQuarkToString(property->pixel_size)) / 10;
+ property->underline_thickness =
+ XawMax(1, property->underline_thickness);
+ }
+ else
+ property->underline_thickness = 1;
+ }
+
+ atom = XInternAtom(display, "UNDERLINE_POSITION", True);
+ if (XGetFontProperty(property->font, atom, &value) &&
+ (str = XGetAtomName(display, value)) != NULL) {
+ property->underline_position = atoi(str);
+ XFree(str);
+ }
+ else
+ /* XLFD says:
+ * if (UNDERLINE_POSITION undefined) then
+ * UNDERLINE_POSITION = ROUND((maximum_descent) / 2)
+ */
+ property->underline_position =
+ property->font->max_bounds.descent >> 1;
+
+ /* I am assuming xlfd does not consider that lines are
+ * centered in the path */
+ property->underline_position += property->underline_thickness >> 1;
+
+}
+
+static void
+DestroyTextPropertyList(XawTextPropertyList *list)
+{
+ int i;
+
+ for (i = 0; i < list->num_properties; i++) {
+ if (list->properties[i]->font)
+ XFreeFont(DisplayOfScreen(list->screen), list->properties[i]->font);
+ XtFree((char*)list->properties[i]);
+ }
+ if (list->properties)
+ XtFree((char*)list->properties);
+ XtFree((char*)list);
+}
+
+static XawTextProperty *
+_XawTextSinkGetProperty(XawTextPropertyList *list, XrmQuark property)
+{
+ if (property != NULLQUARK && list && list->properties) {
+ XawTextProperty **ptr = (XawTextProperty**)
+ bsearch((void*)(long)property,
+ list->properties, list->num_properties,
+ sizeof(XawTextProperty*), bcmp_qident);
+
+ if (ptr)
+ return (*ptr);
+ }
+
+ return (NULL);
+}
+
+XawTextProperty *
+XawTextSinkGetProperty(Widget w, XrmQuark property)
+{
+ TextSinkObject sink = (TextSinkObject)w;
+ XawTextPropertyList *list = sink->text_sink.properties;
+
+ return (_XawTextSinkGetProperty(list, property));
+}
+
+XawTextProperty *
+XawTextSinkCopyProperty(Widget w, XrmQuark property)
+{
+ XawTextProperty *cur, *ret;
+
+ if ((cur = XawTextSinkGetProperty(w, property)) == NULL)
+ cur = XawTextSinkGetProperty(w, Qdefault);
+ ret = (XawTextProperty*)XtCalloc(1, sizeof(XawTextProperty));
+ if (cur)
+ memcpy(ret, cur, sizeof(XawTextProperty));
+ ret->identifier = NULLQUARK;
+ ret->mask &= ~XAW_TPROP_FONT;
+
+ return (ret);
+}
+
+static XawTextProperty *
+_XawTextSinkAddProperty(XawTextPropertyList *list, XawTextProperty *property,
+ Bool replace)
+{
+ XawTextProperty *result;
+ XColor color;
+ char identifier[1024];
+ char foreground[16];
+ char background[16];
+ char *foundry, *family, *weight, *slant, *setwidth, *addstyle, *pixel_size,
+ *point_size, *res_x, *res_y, *spacing, *avgwidth, *registry, *encoding;
+ char *xlfd;
+ static char *asterisk = "*", *null = "";
+ XrmQuark quark;
+
+ if (list == NULL || property == NULL)
+ return (NULL);
+
+ if (property->mask & XAW_TPROP_FOREGROUND) {
+ color.pixel = property->foreground;
+ XQueryColor(DisplayOfScreen(list->screen), list->colormap, &color);
+ XmuSnprintf(foreground, sizeof(foreground), "%04x%04x%04x",
+ color.red, color.green, color.blue);
+ }
+ else
+ strcpy(foreground, asterisk);
+ if (property->mask & XAW_TPROP_BACKGROUND) {
+ color.pixel = property->background;
+ XQueryColor(DisplayOfScreen(list->screen), list->colormap, &color);
+ XmuSnprintf(background, sizeof(background), "%04x%04x%04x",
+ color.red, color.green, color.blue);
+ }
+ else
+ strcpy(background, asterisk);
+
+ if (property->xlfd_mask & XAW_TPROP_FOUNDRY)
+ foundry = XrmQuarkToString(property->foundry);
+ else
+ foundry = asterisk;
+
+ /* use default, or what was requested */
+ if (property->family != NULLQUARK)
+ family = XrmQuarkToString(property->family);
+ else
+ family = asterisk;
+ if (property->weight != NULLQUARK)
+ weight = XrmQuarkToString(property->weight);
+ else
+ weight = asterisk;
+ if (property->slant != NULLQUARK) {
+ slant = XrmQuarkToString(property->slant);
+ if (toupper(*slant) != 'R')
+ slant = asterisk; /* X defaults to italics, so, don't
+ care in resolving between `I' and `O' */
+ }
+ else
+ slant = asterisk;
+
+ if (property->xlfd_mask & XAW_TPROP_SETWIDTH)
+ setwidth = XrmQuarkToString(property->setwidth);
+ else
+ setwidth = asterisk;
+ if (property->xlfd_mask & XAW_TPROP_ADDSTYLE)
+ addstyle = XrmQuarkToString(property->addstyle);
+ else
+ addstyle = null;
+
+ /* use default, or what was requested */
+ if (!(property->mask & XAW_TPROP_POINTSIZE) &&
+ property->pixel_size != NULLQUARK)
+ pixel_size = XrmQuarkToString(property->pixel_size);
+ else
+ pixel_size = asterisk;
+
+ if (property->xlfd_mask & XAW_TPROP_POINTSIZE)
+ point_size = XrmQuarkToString(property->point_size);
+ else
+ point_size = asterisk;
+ if (property->xlfd_mask & XAW_TPROP_RESX)
+ res_x = XrmQuarkToString(property->res_x);
+ else
+ res_x = asterisk;
+ if (property->xlfd_mask & XAW_TPROP_RESY)
+ res_y = XrmQuarkToString(property->res_y);
+ else
+ res_y = asterisk;
+ if (property->xlfd_mask & XAW_TPROP_SPACING)
+ spacing = XrmQuarkToString(property->spacing);
+ else
+ spacing = asterisk;
+ if (property->xlfd_mask & XAW_TPROP_AVGWIDTH)
+ avgwidth = XrmQuarkToString(property->avgwidth);
+ else
+ avgwidth = asterisk;
+
+ /* use default, or what that was requested */
+ if (property->registry != NULLQUARK)
+ registry = XrmQuarkToString(property->registry);
+ else
+ registry = asterisk;
+ if (property->encoding != NULLQUARK)
+ encoding = XrmQuarkToString(property->encoding);
+ else
+ encoding = asterisk;
+
+ if (replace) {
+ result = XtNew(XawTextProperty);
+ memcpy(result, property, sizeof(XawTextProperty));
+ }
+ else
+ result = property;
+
+ /* XXX should do the best to load a suitable font here */
+ if (!(result->mask & XAW_TPROP_FONT)) {
+ XmuSnprintf(identifier, sizeof(identifier),
+ "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s",
+ foundry, family, weight, slant, setwidth, addstyle, pixel_size,
+ point_size, res_x, res_y, spacing, avgwidth, registry, encoding);
+ if ((result->font = XLoadQueryFont(DisplayOfScreen(list->screen),
+ identifier)) != NULL) {
+ result->mask |= XAW_TPROP_FONT;
+ SetXlfdDefaults(DisplayOfScreen(list->screen), result);
+ }
+ else
+ result->mask &= ~XAW_TPROP_FONT;
+ }
+
+ if (result->font)
+ xlfd = XrmQuarkToString(result->xlfd);
+ else
+ xlfd = null;
+
+ XmuSnprintf(identifier, sizeof(identifier), "%08lx%08lx%s%s%d%d%d%d%s",
+ property->mask, property->xlfd_mask,
+ foreground, background,
+ (result->mask & XAW_TPROP_UNDERLINE) != 0,
+ (result->mask & XAW_TPROP_OVERSTRIKE) != 0,
+ (result->mask & XAW_TPROP_SUBSCRIPT) != 0,
+ (result->mask & XAW_TPROP_SUPERSCRIPT) != 0,
+ xlfd);
+
+ quark = XrmStringToQuark(identifier);
+ if (result->identifier == NULLQUARK)
+ result->identifier = quark;
+ result->code = quark;
+
+ if ((property = _XawTextSinkGetProperty(list, result->identifier)) != NULL) {
+ if (result->font)
+ XFreeFont(DisplayOfScreen(list->screen), result->font);
+ if (replace)
+ XtFree((XtPointer)result);
+
+ return (property);
+ }
+
+ list->properties = (XawTextProperty**)
+ XtRealloc((XtPointer)list->properties, sizeof(XawTextProperty*) *
+ (list->num_properties + 1));
+ list->properties[list->num_properties++] = result;
+ qsort((void*)list->properties, list->num_properties,
+ sizeof(XawTextProperty*), qcmp_qident);
+
+ return (result);
+}
+
+XawTextProperty *
+XawTextSinkAddProperty(Widget w, XawTextProperty *property)
+{
+ TextSinkObject sink = (TextSinkObject)w;
+ XawTextPropertyList *list = sink->text_sink.properties;
+
+ return (_XawTextSinkAddProperty(list, property, True));
+}
+
+XawTextProperty *
+XawTextSinkCombineProperty(Widget w,
+ XawTextProperty *property, XawTextProperty *combine,
+ Bool override)
+{
+ if (property == NULL || combine == NULL)
+ return (property);
+
+ if ((override || !(property->mask & XAW_TPROP_FOREGROUND)) &&
+ (combine->mask & XAW_TPROP_FOREGROUND)) {
+ property->mask |= XAW_TPROP_FOREGROUND;
+ property->foreground = combine->foreground;
+ }
+ if ((override || !(property->mask & XAW_TPROP_BACKGROUND)) &&
+ (combine->mask & XAW_TPROP_BACKGROUND)) {
+ property->mask |= XAW_TPROP_BACKGROUND;
+ property->background = combine->background;
+ }
+ if ((override || !(property->mask & XAW_TPROP_FPIXMAP)) &&
+ (combine->mask & XAW_TPROP_FPIXMAP)) {
+ property->mask |= XAW_TPROP_FPIXMAP;
+ property->foreground_pixmap = combine->foreground_pixmap;
+ }
+ if ((override || !(property->mask & XAW_TPROP_BPIXMAP)) &&
+ (combine->mask & XAW_TPROP_BPIXMAP)) {
+ property->mask |= XAW_TPROP_BPIXMAP;
+ property->background_pixmap = combine->background_pixmap;
+ }
+ if (combine->mask & XAW_TPROP_UNDERLINE)
+ property->mask |= XAW_TPROP_UNDERLINE;
+ if (combine->mask & XAW_TPROP_OVERSTRIKE)
+ property->mask |= XAW_TPROP_OVERSTRIKE;
+ if ((override || !(property->mask & XAW_TPROP_SUPERSCRIPT)) &&
+ (combine->mask & XAW_TPROP_SUBSCRIPT))
+ property->mask |= XAW_TPROP_SUBSCRIPT;
+ if ((property->mask & XAW_TPROP_SUBSCRIPT) &&
+ (combine->mask & XAW_TPROP_SUPERSCRIPT))
+ property->mask |= XAW_TPROP_SUPERSCRIPT;
+ if ((override || !(property->xlfd_mask & XAW_TPROP_FOUNDRY)) &&
+ (combine->xlfd_mask & XAW_TPROP_FOUNDRY)) {
+ property->xlfd_mask |= XAW_TPROP_FOUNDRY;
+ property->foundry = combine->foundry;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_FAMILY)) &&
+ (combine->xlfd_mask & XAW_TPROP_FAMILY)) {
+ property->xlfd_mask |= XAW_TPROP_FAMILY;
+ property->family = combine->family;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_WEIGHT)) &&
+ (combine->xlfd_mask & XAW_TPROP_WEIGHT)) {
+ property->xlfd_mask |= XAW_TPROP_WEIGHT;
+ property->weight = combine->weight;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_SLANT)) &&
+ (combine->xlfd_mask & XAW_TPROP_SLANT)) {
+ property->xlfd_mask |= XAW_TPROP_SLANT;
+ property->slant = combine->slant;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_SETWIDTH)) &&
+ (combine->xlfd_mask & XAW_TPROP_SETWIDTH)) {
+ property->xlfd_mask |= XAW_TPROP_SETWIDTH;
+ property->setwidth = combine->setwidth;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_ADDSTYLE)) &&
+ (combine->xlfd_mask & XAW_TPROP_ADDSTYLE)) {
+ property->xlfd_mask |= XAW_TPROP_ADDSTYLE;
+ property->addstyle = combine->addstyle;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_PIXELSIZE)) &&
+ (combine->xlfd_mask & XAW_TPROP_PIXELSIZE)) {
+ property->xlfd_mask |= XAW_TPROP_PIXELSIZE;
+ property->pixel_size = combine->pixel_size;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_POINTSIZE)) &&
+ (combine->xlfd_mask & XAW_TPROP_POINTSIZE)) {
+ property->xlfd_mask |= XAW_TPROP_POINTSIZE;
+ property->point_size = combine->point_size;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_RESX)) &&
+ (combine->xlfd_mask & XAW_TPROP_RESX)) {
+ property->xlfd_mask |= XAW_TPROP_RESX;
+ property->res_x = combine->res_x;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_RESY)) &&
+ (combine->xlfd_mask & XAW_TPROP_RESY)) {
+ property->xlfd_mask |= XAW_TPROP_RESY;
+ property->res_y = combine->res_y;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_SPACING)) &&
+ (combine->xlfd_mask & XAW_TPROP_SPACING)) {
+ property->xlfd_mask |= XAW_TPROP_SPACING;
+ property->spacing = combine->spacing;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_AVGWIDTH)) &&
+ (combine->xlfd_mask & XAW_TPROP_AVGWIDTH)) {
+ property->xlfd_mask |= XAW_TPROP_AVGWIDTH;
+ property->avgwidth = combine->avgwidth;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_REGISTRY)) &&
+ (combine->xlfd_mask & XAW_TPROP_REGISTRY)) {
+ property->xlfd_mask |= XAW_TPROP_REGISTRY;
+ property->registry = combine->registry;
+ }
+ if ((override || !(property->xlfd_mask & XAW_TPROP_ENCODING)) &&
+ (combine->xlfd_mask & XAW_TPROP_ENCODING)) {
+ property->xlfd_mask |= XAW_TPROP_ENCODING;
+ property->encoding = combine->encoding;
+ }
+
+ return (property);
+}
+
+/*
+ * The default property must be defined first, if the code is willing to
+ * combine properties.
+ */
+XawTextPropertyList *
+XawTextSinkConvertPropertyList(String name, String spec, Screen *screen,
+ Colormap colormap, int depth)
+{
+ XrmQuark qname = XrmStringToQuark(name);
+ XawTextPropertyList **ptr = NULL;
+ XawTextPropertyList *propl, *prev = NULL;
+ XawTextProperty *def_prop = NULL;
+ String str, tok, tmp;
+ char buffer[BUFSIZ];
+
+ if (prop_lists) ptr = (XawTextPropertyList**)
+ bsearch((void*)(long)qname, prop_lists, num_prop_lists,
+ sizeof(XawTextPropertyList*), bcmp_qident);
+ if (ptr) {
+ propl = *ptr;
+ while (propl) {
+ prev = propl;
+ if (propl->screen == screen &&
+ propl->colormap == colormap &&
+ propl->depth == depth)
+ return (propl);
+ propl = propl->next;
+ }
+ }
+
+ propl = XtNew(XawTextPropertyList);
+ propl->identifier = qname;
+ propl->screen = screen;
+ propl->colormap = colormap;
+ propl->depth = depth;
+ propl->next = NULL;
+
+ if (prev)
+ prev->next = propl;
+
+ propl->properties = NULL;
+ propl->num_properties = 0;
+
+ str = XtNewString(spec);
+ for (tok = str; tok; tok = tmp) {
+ XawTextProperty *prop;
+ XawParams *params;
+ XrmQuark ident;
+ XawArgVal *argval;
+ XColor color, exact;
+
+ if (def_prop == NULL && propl->num_properties)
+ def_prop = _XawTextSinkGetProperty(propl, Qdefault);
+ tmp = strchr(tok, ',');
+ if (tmp) {
+ *tmp = '\0';
+ if (*++tmp == '\0')
+ tmp = NULL;
+ }
+ params = XawParseParamsString(tok);
+ ident = XrmStringToQuark(params->name);
+ if (ident == NULLQUARK) {
+ XmuSnprintf(buffer, sizeof(buffer),
+ "Bad text property name \"%s\".", params->name);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), buffer);
+ DestroyTextPropertyList(propl);
+ if (prev)
+ prev->next = NULL;
+ XawFreeParamsStruct(params);
+ return (NULL);
+ }
+ else if (_XawTextSinkGetProperty(propl, ident) != NULL) {
+ XawFreeParamsStruct(params);
+ continue;
+ }
+
+ prop = (XawTextProperty*)XtCalloc(1, sizeof(XawTextProperty));
+ prop->identifier = ident;
+
+ if ((argval = XawFindArgVal(params, "font")) != NULL &&
+ argval->value) {
+
+ if ((prop->font = XLoadQueryFont(DisplayOfScreen(screen),
+ argval->value)) == NULL) {
+ XmuSnprintf(buffer, sizeof(buffer),
+ "Cannot load font \"%s\".", argval->value);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), buffer);
+ DestroyTextPropertyList(propl);
+ if (prev)
+ prev->next = NULL;
+ XawFreeParamsStruct(params);
+ return (NULL);
+ }
+ prop->mask |= XAW_TPROP_FONT;
+ SetXlfdDefaults(DisplayOfScreen(screen), prop);
+ }
+ /* fontset processing here */
+
+ if ((argval = XawFindArgVal(params, "foreground")) != NULL &&
+ argval->value) {
+ if (!XAllocNamedColor(DisplayOfScreen(screen), colormap,
+ argval->value, &color, &exact)) {
+ XmuSnprintf(buffer, sizeof(buffer),
+ "Cannot allocate color \"%s\".", argval->value);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), buffer);
+ DestroyTextPropertyList(propl);
+ if (prev)
+ prev->next = NULL;
+ XawFreeParamsStruct(params);
+ return (NULL);
+ }
+ prop->foreground = color.pixel;
+ prop->mask |= XAW_TPROP_FOREGROUND;
+ }
+ if ((argval = XawFindArgVal(params, "background")) != NULL &&
+ argval->value) {
+ if (!XAllocNamedColor(DisplayOfScreen(screen), colormap,
+ argval->value, &color, &exact)) {
+ XmuSnprintf(buffer, sizeof(buffer),
+ "Cannot allocate color \"%s\".", argval->value);
+ XtAppWarning(XtDisplayToApplicationContext
+ (DisplayOfScreen(screen)), buffer);
+ DestroyTextPropertyList(propl);
+ if (prev)
+ prev->next = NULL;
+ XawFreeParamsStruct(params);
+ return (NULL);
+ }
+ prop->background = color.pixel;
+ prop->mask |= XAW_TPROP_BACKGROUND;
+ }
+ /* foreground_pixmap and background_pixmap processing here */
+
+ if (XawFindArgVal(params, "underline"))
+ prop->mask |= XAW_TPROP_UNDERLINE;
+ if (XawFindArgVal(params, "overstrike"))
+ prop->mask |= XAW_TPROP_OVERSTRIKE;
+
+ if (XawFindArgVal(params, "subscript"))
+ prop->mask |= XAW_TPROP_SUBSCRIPT;
+ else if (XawFindArgVal(params, "superscript"))
+ prop->mask |= XAW_TPROP_SUPERSCRIPT;
+
+ /* xlfd */
+ if ((argval = XawFindArgVal(params, "foundry")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_FOUNDRY;
+ prop->foundry = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "family")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_FAMILY;
+ prop->family = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "weight")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_WEIGHT;
+ prop->weight = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "slant")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_SLANT;
+ prop->slant = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "setwidth")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_SETWIDTH;
+ prop->setwidth = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "addstyle")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_ADDSTYLE;
+ prop->addstyle = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "pixelsize")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_PIXELSIZE;
+ prop->pixel_size = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "pointsize")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_POINTSIZE;
+ prop->point_size = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "resx")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_RESX;
+ prop->res_x = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "resy")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_RESY;
+ prop->res_y = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "spacing")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_SPACING;
+ prop->spacing = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "avgwidth")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_AVGWIDTH;
+ prop->avgwidth = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "registry")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_REGISTRY;
+ prop->registry = XrmStringToQuark(argval->value);
+ }
+ if ((argval = XawFindArgVal(params, "encoding")) != NULL &&
+ argval->value) {
+ prop->xlfd_mask |= XAW_TPROP_ENCODING;
+ prop->encoding = XrmStringToQuark(argval->value);
+ }
+
+ if (def_prop)
+ (void)XawTextSinkCombineProperty(NULL, prop, def_prop, False);
+ (void)_XawTextSinkAddProperty(propl, prop, False);
+
+ XawFreeParamsStruct(params);
+ }
+
+ prop_lists = (XawTextPropertyList**)
+ XtRealloc((XtPointer)prop_lists, sizeof(XawTextPropertyList*) *
+ (num_prop_lists + 1));
+ prop_lists[num_prop_lists++] = propl;
+ qsort((void*)prop_lists, num_prop_lists, sizeof(XawTextPropertyList*),
+ qcmp_qident);
+
+ XtFree(str);
+
+ return (propl);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtStringToPropertyList(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ XawTextPropertyList *propl = NULL;
+ String name;
+ Widget w;
+
+ if (*num_args != 1) {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ "wrongParameters", "cvtStringToTextProperties",
+ "ToolkitError",
+ "String to textProperties conversion needs widget argument",
+ NULL, NULL);
+ return (False);
+ }
+
+ w = *(Widget*)args[0].addr;
+ while (w && !XtIsWidget(w))
+ w = XtParent(w);
+
+ name = (String)(fromVal[0].addr);
+
+ if (w) {
+ XawTextPropertyList **ptr = NULL;
+ if (prop_lists) ptr = (XawTextPropertyList**)
+ bsearch((void*)(long)XrmStringToQuark(name),
+ prop_lists, num_prop_lists,
+ sizeof(XawTextPropertyList*), bcmp_qident);
+
+ if (ptr) {
+ Screen *screen = w->core.screen;
+ Colormap colormap = w->core.colormap;
+ int depth = w->core.depth;
+
+ propl = *ptr;
+ while (propl) {
+ if (propl->screen == screen &&
+ propl->colormap == colormap &&
+ propl->depth == depth)
+ break;
+ propl = propl->next;
+ }
+ }
+ }
+
+ if (!propl) {
+ XtDisplayStringConversionWarning(dpy, (String)fromVal->addr,
+ XawRTextProperties);
+ toVal->addr = NULL;
+ toVal->size = sizeof(XawTextPropertyList*);
+ return (False);
+ }
+
+ if (toVal->addr != NULL) {
+ if (toVal->size < sizeof(XawTextPropertyList*)) {
+ toVal->size = sizeof(XawTextPropertyList*);
+ return (False);
+ }
+ *(XawTextPropertyList**)(toVal->addr) = propl;
+ }
+ else {
+ static XawTextPropertyList *static_val;
+
+ static_val = propl;
+ toVal->addr = (XPointer)&static_val;
+ }
+ toVal->size = sizeof(XawTextProperty*);
+
+ return (True);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtPropertyListToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *converter_data)
+{
+ static char *buffer;
+ Cardinal size;
+ XawTextPropertyList *propl;
+
+ propl = *(XawTextPropertyList**)fromVal[0].addr;
+
+ buffer = XrmQuarkToString(propl->identifier);
+ size = strlen(buffer) + 1;
+
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = buffer;
+ toVal->size = size;
+
+ return (True);
+}
+#endif
diff --git a/libXaw/src/TextSrc.c b/libXaw/src/TextSrc.c index 118361ea5..bc055aaca 100644 --- a/libXaw/src/TextSrc.c +++ b/libXaw/src/TextSrc.c @@ -1,2008 +1,2008 @@ -/* - -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* - * Author: Chris Peterson, MIT X Consortium. - * Much code taken from X11R3 String and Disk Sources. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <ctype.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xfuncs.h> -#include <X11/Xutil.h> -#include <X11/Xmu/Atoms.h> -#include <X11/Xmu/CharSet.h> -#include <X11/Xaw/TextSrcP.h> -#include <X11/Xaw/XawInit.h> -#include "XawI18n.h" -#include "Private.h" - -#ifndef OLDXAW -#define UNDO_DEPTH 16384 - -#define ANCHORS_DIST 4096 /* default distance between anchors */ - -/* - * Types - */ -typedef struct { - XawTextPosition position; - char *buffer; - unsigned length; - unsigned refcount; - unsigned long format; -} XawTextUndoBuffer; - -typedef struct _XawTextUndoList XawTextUndoList; -struct _XawTextUndoList { - XawTextUndoBuffer *left, *right; - XawTextUndoList *undo, *redo; -}; - -struct _XawTextUndo { - XawTextUndoBuffer **undo; - unsigned num_undo; - XawTextUndoList *list, *pointer, *end_mark, *head; - unsigned num_list; - XawTextScanDirection dir; - XawTextUndoBuffer *l_save, *r_save; - XawTextUndoList *u_save; - XawTextUndoBuffer *l_no_change, *r_no_change; - int merge; - int erase; /* there are two types of erases */ -}; -#endif /* OLDXAW */ - -/* - * Class Methods - */ -static Boolean ConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*, - unsigned long*, int*); -static XawTextPosition Read(Widget, XawTextPosition, XawTextBlock*, int); -static int Replace(Widget, XawTextPosition, XawTextPosition, XawTextBlock*); -static XawTextPosition Scan(Widget, XawTextPosition, XawTextScanType, - XawTextScanDirection, int, Bool); -static XawTextPosition Search(Widget, XawTextPosition, XawTextScanDirection, - XawTextBlock*); -static void SetSelection(Widget, XawTextPosition, XawTextPosition, Atom); -static void XawTextSrcClassInitialize(void); -static void XawTextSrcClassPartInitialize(WidgetClass); -static void XawTextSrcInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawTextSrcDestroy(Widget); -static Boolean XawTextSrcSetValues(Widget, Widget, Widget, ArgList, Cardinal*); -/* - * Prototypes - */ -static void CvtStringToEditMode(XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr); -static Boolean CvtEditModeToString(Display*, XrmValuePtr, Cardinal*, - XrmValuePtr, XrmValuePtr, XtPointer*); -#ifndef OLDXAW -static void FreeUndoBuffer(XawTextUndo*); -static void UndoGC(XawTextUndo*); -static void TellSourceChanged(TextSrcObject, XawTextPosition, XawTextPosition, - XawTextBlock*, int); -Bool _XawTextSrcUndo(TextSrcObject, XawTextPosition*); -Bool _XawTextSrcToggleUndo(TextSrcObject); -XawTextAnchor *_XawTextSourceFindAnchor(Widget, XawTextPosition); - -/* - * External - */ -void _XawSourceAddText(Widget, Widget); -void _XawSourceRemoveText(Widget, Widget, Bool); -Bool _XawTextSourceNewLineAtEOF(Widget); -void _XawSourceSetUndoErase(TextSrcObject, int); -void _XawSourceSetUndoMerge(TextSrcObject, Bool); -#endif /* OLDXAW */ - -/* - * Defined in Text.c - */ -char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition); -void _XawTextSourceChanged(Widget, XawTextPosition, XawTextPosition, - XawTextBlock*, int); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(TextSrcRec, textSrc.field) -static XtResource resources[] = { - { - XtNeditType, - XtCEditType, - XtREditMode, - sizeof(XawTextEditType), - offset(edit_mode), - XtRString, - "read" - }, -#ifndef OLDXAW - { - XtNcallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(callback), - XtRCallback, - NULL - }, - { - XtNsourceChanged, - XtCChanged, - XtRBoolean, - sizeof(Boolean), - offset(changed), - XtRImmediate, - (XtPointer)False - }, - { - XtNenableUndo, - XtCUndo, - XtRBoolean, - sizeof(Boolean), - offset(enable_undo), - XtRImmediate, - (XtPointer)False - }, - { - XtNpropertyCallback, - XtCCallback, - XtRCallback, - sizeof(XtPointer), - offset(property_callback), - XtRCallback, - NULL - }, -#endif /* OLDXAW */ -}; -#undef offset - -#define Superclass (&objectClassRec) -TextSrcClassRec textSrcClassRec = { - /* object */ - { - (WidgetClass)Superclass, /* superclass */ - "TextSrc", /* class_name */ - sizeof(TextSrcRec), /* widget_size */ - XawTextSrcClassInitialize, /* class_initialize */ - XawTextSrcClassPartInitialize, /* class_part_initialize */ - False, /* class_inited */ - XawTextSrcInitialize, /* initialize */ - NULL, /* initialize_hook */ - NULL, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - False, /* compress_exposure */ - False, /* compress_enterleave */ - False, /* visible_interest */ - XawTextSrcDestroy, /* destroy */ - NULL, /* resize */ - NULL, /* expose */ - XawTextSrcSetValues, /* set_values */ - NULL, /* set_values_hook */ - NULL, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - NULL, /* query_geometry */ - NULL, /* display_accelerator */ - NULL, /* extension */ - }, - /* text_src */ - { - Read, /* Read */ - Replace, /* Replace */ - Scan, /* Scan */ - Search, /* Search */ - SetSelection, /* SetSelection */ - ConvertSelection, /* ConvertSelection */ - }, -}; - -WidgetClass textSrcObjectClass = (WidgetClass)&textSrcClassRec; - -static XrmQuark QRead, QAppend, QEdit; -#ifndef OLDXAW -static char *SrcNL = "\n"; -static wchar_t SrcWNL[2]; -#endif - -/* - * Implementation - */ -static void -XawTextSrcClassInitialize(void) -{ - XawInitializeWidgetSet(); - -#ifndef OLDXAW - SrcWNL[0] = _Xaw_atowc(XawLF); - SrcWNL[1] = 0; -#endif - QRead = XrmPermStringToQuark(XtEtextRead); - QAppend = XrmPermStringToQuark(XtEtextAppend); - QEdit = XrmPermStringToQuark(XtEtextEdit); - XtAddConverter(XtRString, XtREditMode, CvtStringToEditMode, NULL, 0); - XtSetTypeConverter(XtREditMode, XtRString, CvtEditModeToString, NULL, 0, - XtCacheNone, NULL); -} - -static void -XawTextSrcClassPartInitialize(WidgetClass wc) -{ - TextSrcObjectClass t_src, superC; - - t_src = (TextSrcObjectClass)wc; - superC = (TextSrcObjectClass)t_src->object_class.superclass; - - /* - * We don't need to check for null super since we'll get to TextSrc - * eventually - */ - if (t_src->textSrc_class.Read == XtInheritRead) - t_src->textSrc_class.Read = superC->textSrc_class.Read; - - if (t_src->textSrc_class.Replace == XtInheritReplace) - t_src->textSrc_class.Replace = superC->textSrc_class.Replace; - - if (t_src->textSrc_class.Scan == XtInheritScan) - t_src->textSrc_class.Scan = superC->textSrc_class.Scan; - - if (t_src->textSrc_class.Search == XtInheritSearch) - t_src->textSrc_class.Search = superC->textSrc_class.Search; - - if (t_src->textSrc_class.SetSelection == XtInheritSetSelection) - t_src->textSrc_class.SetSelection = superC->textSrc_class.SetSelection; - - if (t_src->textSrc_class.ConvertSelection == XtInheritConvertSelection) - t_src->textSrc_class.ConvertSelection = - superC->textSrc_class.ConvertSelection; -} - -/*ARGSUSED*/ -static void -XawTextSrcInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ -#ifndef OLDXAW - TextSrcObject src = (TextSrcObject)cnew; - - if (src->textSrc.enable_undo) { - src->textSrc.undo = (XawTextUndo*)XtCalloc(1, sizeof(XawTextUndo)); - src->textSrc.undo->dir = XawsdLeft; - } - else - src->textSrc.undo = NULL; - src->textSrc.undo_state = False; - if (XtIsSubclass(XtParent(cnew), textWidgetClass)) { - src->textSrc.text = (WidgetList)XtMalloc(sizeof(Widget*)); - src->textSrc.text[0] = XtParent(cnew); - src->textSrc.num_text = 1; - } - else { - src->textSrc.text = NULL; - src->textSrc.num_text = 0; - } - - src->textSrc.anchors = NULL; - src->textSrc.num_anchors = 0; - (void)XawTextSourceAddAnchor(cnew, 0); -#endif /* OLDXAW */ -} - -static void -XawTextSrcDestroy(Widget w) -{ -#ifndef OLDXAW - TextSrcObject src = (TextSrcObject)w; - - if (src->textSrc.enable_undo) { - FreeUndoBuffer(src->textSrc.undo); - XtFree((char*)src->textSrc.undo); - } - XtFree((char*)src->textSrc.text); - - if (src->textSrc.num_anchors) { - XawTextEntity *entity, *enext; - int i; - - for (i = 0; i < src->textSrc.num_anchors; i++) { - entity = src->textSrc.anchors[i]->entities; - while (entity) { - enext = entity->next; - XtFree((XtPointer)entity); - entity = enext; - } - XtFree((XtPointer)src->textSrc.anchors[i]); - } - XtFree((XtPointer)src->textSrc.anchors); - } -#endif /* OLDXAW */ -} - -/*ARGSUSED*/ -static Boolean -XawTextSrcSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ -#ifndef OLDXAW - TextSrcObject oldtw = (TextSrcObject)current; - TextSrcObject newtw = (TextSrcObject)cnew; - - if (oldtw->textSrc.enable_undo != newtw->textSrc.enable_undo) { - if (newtw->textSrc.enable_undo) { - newtw->textSrc.undo = (XawTextUndo*) - XtCalloc(1, sizeof(XawTextUndo)); - newtw->textSrc.undo->dir = XawsdLeft; - } - else { - FreeUndoBuffer(newtw->textSrc.undo); - XtFree((char*)newtw->textSrc.undo); - newtw->textSrc.undo = NULL; - } - } - if (oldtw->textSrc.changed != newtw->textSrc.changed) { - if (newtw->textSrc.enable_undo) { - if (newtw->textSrc.undo->list) { - newtw->textSrc.undo->l_no_change = - newtw->textSrc.undo->list->left; - newtw->textSrc.undo->r_no_change = - newtw->textSrc.undo->list->right; - } - else - newtw->textSrc.undo->l_no_change = - newtw->textSrc.undo->r_no_change = NULL; - } - } -#endif /* OLDXAW */ - return (False); -} - -/* - * Function: - * Read - * - * Parameters: - * w - TextSrc Object - * pos - position of the text to retreive - * text - text block that will contain returned text - * length - maximum number of characters to read - * - * Description: - * This function reads the source. - * - * Returns: - * The character position following the retrieved text. - */ -/*ARGSUSED*/ -static XawTextPosition -Read(Widget w, XawTextPosition pos, XawTextBlock *text, int length) -{ - return ((XawTextPosition)0); -} - -/* - * Function: - * Replace - * - * Parameters: - * src - Text Source Object - * startPos - ends of text that will be removed - * endPos - "" - * text - new text to be inserted into buffer at startPos - * - * Description: - * Replaces a block of text with new text. - */ -/*ARGSUSED*/ -static int -Replace(Widget w, XawTextPosition startPos, XawTextPosition endPos, - XawTextBlock *text) -{ - return (XawEditError); -} - -/* - * Function: - * Scan - * - * Parameters: - * w - TextSrc Object - * position - position to start scanning - * type - type of thing to scan for - * dir - direction to scan - * count - which occurance if this thing to search for - * include - whether or not to include the character found in - * the position that is returned - * - * Description: - * Scans the text source for the number and type of item specified. - */ -/*ARGSUSED*/ -static XawTextPosition -Scan(Widget w, XawTextPosition position, XawTextScanType type, - XawTextScanDirection dir, int count, Bool include) -{ - return ((XawTextPosition)0); -} - -/* - * Function: - * Search - * - * Parameters: - * w - TextSource Object - * position - position to start searching - * dir - direction to search - * text - the text block to search for - * - * Description: - * Searchs the text source for the text block passed - */ -/*ARGSUSED*/ -static XawTextPosition -Search(Widget w, XawTextPosition position, XawTextScanDirection dir, - XawTextBlock *text) -{ - return (XawTextSearchError); -} - -/*ARGSUSED*/ -static Boolean -ConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type, - XtPointer *value, unsigned long *length, int *format) -{ - return (False); -} - -/*ARGSUSED*/ -static void -SetSelection(Widget w, XawTextPosition left, XawTextPosition right, - Atom selection) -{ -} - -/*ARGSUSED*/ -static void -CvtStringToEditMode(XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal) -{ - static XawTextEditType editType; - XrmQuark q; - char name[7]; - - XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name)); - q = XrmStringToQuark(name); - - if (q == QRead) - editType = XawtextRead; - else if (q == QAppend) - editType = XawtextAppend; - else if (q == QEdit) - editType = XawtextEdit; - else { - toVal->size = 0; - toVal->addr = NULL; - XtStringConversionWarning((char *)fromVal->addr, XtREditMode); - } - toVal->size = sizeof(XawTextEditType); - toVal->addr = (XPointer)&editType; -} - -/*ARGSUSED*/ -static Boolean -CvtEditModeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args, - XrmValuePtr fromVal, XrmValuePtr toVal, - XtPointer *data) -{ - static String buffer; - Cardinal size; - - switch (*(XawTextEditType *)fromVal->addr) { - case XawtextRead: - buffer = XtEtextRead; - break; - case XawtextAppend: - buffer = XtEtextAppend; - break; - case XawtextEdit: - buffer = XtEtextEdit; - break; - default: - XawTypeToStringWarning(dpy, XtREditMode); - toVal->addr = NULL; - toVal->size = 0; - return (False); - } - - size = strlen(buffer) + 1; - if (toVal->addr != NULL) { - if (toVal->size < size) { - toVal->size = size; - return (False); - } - strcpy((char *)toVal->addr, buffer); - } - else - toVal->addr = (XPointer)buffer; - toVal->size = sizeof(String); - - return (True); -} - -#ifndef OLDXAW -Bool -_XawTextSourceNewLineAtEOF(Widget w) -{ - TextSrcObject src = (TextSrcObject)w; - XawTextBlock text; - - text.firstPos = 0; - if ((text.format = src->textSrc.text_format) == XawFmt8Bit) - text.ptr = SrcNL; - else - text.ptr = (char*)SrcWNL; - text.length = 1; - - return (XawTextSourceSearch(w, XawTextSourceScan(w, 0, XawstAll, - XawsdRight, 1, True) - 1, - XawsdRight, &text) != XawTextSearchError); -} - -void -_XawSourceAddText(Widget source, Widget text) -{ - TextSrcObject src = (TextSrcObject)source; - Bool found = False; - Cardinal i; - - for (i = 0; i < src->textSrc.num_text; i++) - if (src->textSrc.text[i] == text) { - found = True; - break; - } - - if (!found) { - src->textSrc.text = (WidgetList) - XtRealloc((char*)src->textSrc.text, - sizeof(Widget) * (src->textSrc.num_text + 1)); - src->textSrc.text[src->textSrc.num_text++] = text; - } -} - -void -_XawSourceRemoveText(Widget source, Widget text, Bool destroy) -{ - TextSrcObject src = (TextSrcObject)source; - Bool found = False; - Cardinal i; - - if (src == NULL) - return; - - for (i = 0; i < src->textSrc.num_text; i++) - if (src->textSrc.text[i] == text) { - found = True; - break; - } - - if (found) { - if (--src->textSrc.num_text == 0) { - if (destroy) { - XtDestroyWidget(source); - return; - } - else { - XtFree((char*)src->textSrc.text); - src->textSrc.text = NULL; /* for realloc "magic" */ - } - } - else if (i < src->textSrc.num_text) - memmove(&src->textSrc.text[i], &src->textSrc.text[i + 1], - sizeof(Widget) * (src->textSrc.num_text - i)); - } -} -#endif /* OLDXAW */ - -/* - * Function: - * XawTextSourceRead - * - * Parameters: - * w - TextSrc Object - * pos - position of the text to retrieve - * text - text block that will contain returned text (return) - * length - maximum number of characters to read - * - * Description: - * This function reads the source. - * - * Returns: - * The number of characters read into the buffer - */ -XawTextPosition -XawTextSourceRead(Widget w, XawTextPosition pos, XawTextBlock *text, - int length) -{ - TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class; - - return ((*cclass->textSrc_class.Read)(w, pos, text, length)); -} - -#ifndef OLDXAW -static void -TellSourceChanged(TextSrcObject src, XawTextPosition left, - XawTextPosition right, XawTextBlock *block, int lines) -{ - Cardinal i; - - for (i = 0; i < src->textSrc.num_text; i++) - _XawTextSourceChanged(src->textSrc.text[i], left, right, block, lines); -} - -/* - * This function is required because there is no way to diferentiate - * if the first erase was generated by a backward-kill-char and the - * second by a forward-kill-char (or vice-versa) from XawTextSourceReplace. - * It is only possible to diferentiate after the second character is - * killed, but then, it is too late. - */ -void -_XawSourceSetUndoErase(TextSrcObject src, int value) -{ - if (src && src->textSrc.enable_undo) - src->textSrc.undo->erase = value; -} - -/* - * To diferentiate insert-char's separeted by cursor movements. - */ -void -_XawSourceSetUndoMerge(TextSrcObject src, Bool state) -{ - if (src && src->textSrc.enable_undo) - src->textSrc.undo->merge += state ? 1 : -1; -} -#endif /* OLDXAW */ - -/* - * Public Functions - */ -/* - * Function: - * XawTextSourceReplace - * - * Parameters: - * src - Text Source Object - * startPos - ends of text that will be removed - * endPos - "" - * text - new text to be inserted into buffer at startPos - * - * Description: - * Replaces a block of text with new text. - * - * Returns: - * XawEditError or XawEditDone. - */ -/*ARGSUSED*/ -int -XawTextSourceReplace(Widget w, XawTextPosition left, - XawTextPosition right, XawTextBlock *block) -{ - TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class; -#ifndef OLDXAW - TextSrcObject src = (TextSrcObject)w; - XawTextUndoBuffer *l_state, *r_state; - XawTextUndoList *undo; - Bool enable_undo; - XawTextPosition start, end; - int i, error, lines = 0; - - if (src->textSrc.edit_mode == XawtextRead) - return (XawEditError); - - enable_undo = src->textSrc.enable_undo && src->textSrc.undo_state == False; - if (enable_undo) { - unsigned size, total; - - if (src->textSrc.undo->l_save) { - l_state = src->textSrc.undo->l_save; - src->textSrc.undo->l_save = NULL; - } - else - l_state = XtNew(XawTextUndoBuffer); - l_state->refcount = 1; - l_state->position = left; - if (left < right) { - Widget ctx = NULL; - - for (i = 0; i < src->textSrc.num_text; i++) - if (XtIsSubclass(src->textSrc.text[i], textWidgetClass)) { - ctx = src->textSrc.text[i]; - break; - } - l_state->buffer = _XawTextGetText((TextWidget)ctx, left, right); - l_state->length = right - left; - } - else { - l_state->length = 0; - l_state->buffer = NULL; - } - l_state->format = src->textSrc.text_format; - if (l_state->length == 1) { - if (l_state->format == XawFmtWide && - *(wchar_t*)l_state->buffer == *SrcWNL) { - XtFree(l_state->buffer); - l_state->buffer = (char*)SrcWNL; - } - else if (*l_state->buffer == '\n') { - XtFree(l_state->buffer); - l_state->buffer = SrcNL; - } - } - - if (src->textSrc.undo->r_save) { - r_state = src->textSrc.undo->r_save; - src->textSrc.undo->r_save = NULL; - } - else - r_state = XtNew(XawTextUndoBuffer); - r_state->refcount = 1; - r_state->position = left; - r_state->format = block->format; - size = block->format == XawFmtWide ? sizeof(wchar_t) : sizeof(char); - total = size * block->length; - r_state->length = block->length; - r_state->buffer = NULL; - if (total == size) { - if (r_state->format == XawFmtWide && - *(wchar_t*)block->ptr == *SrcWNL) - r_state->buffer = (char*)SrcWNL; - else if (*block->ptr == '\n') - r_state->buffer = SrcNL; - } - if (total && !r_state->buffer) { - r_state->buffer = XtMalloc(total); - memcpy(r_state->buffer, block->ptr, total); - } - - if (src->textSrc.undo->u_save) { - undo = src->textSrc.undo->u_save; - src->textSrc.undo->u_save = NULL; - } - else - undo = XtNew(XawTextUndoList); - undo->left = l_state; - undo->right = r_state; - undo->undo = src->textSrc.undo->list; - undo->redo = NULL; - } - else { - undo = NULL; - l_state = r_state = NULL; - } - -#define LARGE_VALUE 262144 /* 256 K */ - /* optimization, to avoid long delays recalculating the line number - * when editing huge files - */ - if (left > LARGE_VALUE) { - start = XawTextSourceScan(w, left, XawstEOL, XawsdLeft, 2, False); - for (i = 0; i < src->textSrc.num_text; i++) { - TextWidget tw = (TextWidget)src->textSrc.text[i]; - - if (left <= tw->text.lt.top && - left + block->length - (right - left) > tw->text.lt.top) - _XawTextBuildLineTable(tw, start, False); - } - } -#undef LARGE_VALUE - - start = left; - end = right; - while (start < end) { - start = XawTextSourceScan(w, start, XawstEOL, XawsdRight, 1, True); - if (start <= end) { - --lines; - if (start == XawTextSourceScan(w, 0, XawstAll, XawsdRight, 1, True)) { - lines += !_XawTextSourceNewLineAtEOF(w); - break; - } - } - } -#else - int error; -#endif /* OLDXAW */ - - error = (*cclass->textSrc_class.Replace)(w, left, right, block); - -#ifndef OLDXAW - if (error != XawEditDone) { - if (enable_undo) { - if (l_state->buffer) { - if (l_state->buffer != SrcNL && l_state->buffer != (char*)SrcWNL) - XtFree(l_state->buffer); - l_state->buffer = NULL; - } - src->textSrc.undo->l_save = l_state; - if (r_state->buffer) { - if (r_state->buffer != SrcNL && r_state->buffer != (char*)SrcWNL) - XtFree(r_state->buffer); - r_state->buffer = NULL; - } - src->textSrc.undo->r_save = r_state; - - src->textSrc.undo->u_save = undo; - } - } - else if (enable_undo) { - XawTextUndoList *list = src->textSrc.undo->list; - XawTextUndoBuffer *unl, *lnl; - int erase = undo->right->length == 0 && undo->left->length == 1 && list - && list->right->length == 0; - - if (erase) { - erase = list->left->position - 1 == undo->left->position ? -1 : - list->left->position == undo->left->position ? 1 : 0; - if (src->textSrc.undo->erase && erase != src->textSrc.undo->erase) - erase = 0; - else - src->textSrc.undo->erase = erase; - } - - if (erase) { - unl = l_state; - lnl = list->left; - } - else { - unl = r_state; - lnl = list ? list->right : NULL; - } - - /* Try to merge the undo buffers */ - if (src->textSrc.undo->merge > 0 && ((erase || - (list && ((list->left->length == 0 && undo->left->length == 0) || - (list->left->length == list->right->length && - undo->left->length == 1)) && - undo->right->length == 1 && - list->right->position + list->right->length - == undo->right->position)) - && src->textSrc.undo->pointer == list - && unl->format == list->right->format - && ((unl->format == XawFmt8Bit && unl->buffer[0] != XawLF) || - (unl->format == XawFmtWide && - *(wchar_t*)(unl->buffer) != _Xaw_atowc(XawLF))) - && ((lnl->format == XawFmt8Bit && lnl->buffer[0] != XawLF) || - (lnl->format == XawFmtWide && - *(wchar_t*)(lnl->buffer) != _Xaw_atowc(XawLF))))) { - unsigned size = lnl->format == XawFmtWide ? - sizeof(wchar_t) : sizeof(char); - - if (!erase) { - list->right->buffer = XtRealloc(list->right->buffer, - (list->right->length + 1) * size); - memcpy(list->right->buffer + list->right->length * size, - undo->right->buffer, size); - ++list->right->length; - XtFree(r_state->buffer); - } - else if (erase < 0) { - --list->left->position; - --list->right->position; - } - - src->textSrc.undo->l_save = l_state; - src->textSrc.undo->r_save = r_state; - src->textSrc.undo->u_save = undo; - - if (list->left->length) { - list->left->buffer = XtRealloc(list->left->buffer, - (list->left->length + 1) * size); - if (erase >= 0) - memcpy(list->left->buffer + list->left->length * size, - undo->left->buffer, size); - else { - /* use memmove, since strings overlap */ - memmove(list->left->buffer + size, list->left->buffer, - list->left->length * size); - memcpy(list->left->buffer, undo->left->buffer, size); - } - ++list->left->length; - if (l_state->buffer != SrcNL && l_state->buffer != (char*)SrcWNL) - XtFree(l_state->buffer); - } - - if (src->textSrc.undo->num_list >= UNDO_DEPTH) - UndoGC(src->textSrc.undo); - } - else { - src->textSrc.undo->undo = (XawTextUndoBuffer**) - XtRealloc((char*)src->textSrc.undo->undo, - (2 + src->textSrc.undo->num_undo) - * sizeof(XawTextUndoBuffer)); - src->textSrc.undo->undo[src->textSrc.undo->num_undo++] = l_state; - src->textSrc.undo->undo[src->textSrc.undo->num_undo++] = r_state; - - if (src->textSrc.undo->list) - src->textSrc.undo->list->redo = undo; - else - src->textSrc.undo->head = undo; - - src->textSrc.undo->merge = l_state->length <= 1 && - r_state->length <= 1; - - src->textSrc.undo->list = src->textSrc.undo->pointer = - src->textSrc.undo->end_mark = undo; - - if (++src->textSrc.undo->num_list >= UNDO_DEPTH) - UndoGC(src->textSrc.undo); - } - src->textSrc.undo->dir = XawsdLeft; - if (!src->textSrc.changed) { - src->textSrc.undo->l_no_change = src->textSrc.undo->list->right; - src->textSrc.undo->r_no_change = src->textSrc.undo->list->left; - src->textSrc.changed = True; - } - } - else if (!src->textSrc.enable_undo) - src->textSrc.changed = True; - - if (error == XawEditDone) { - XawTextPropertyInfo info; - XawTextAnchor *anchor; - - /* find anchor and index */ - /* XXX index (i) could be returned by XawTextSourceFindAnchor - * or similar function, to speed up */ - if ((anchor = XawTextSourceFindAnchor(w, left))) { - XawTextEntity *eprev, *entity, *enext; - XawTextPosition offset = 0, diff = block->length - (right - left); - - for (i = 0; i < src->textSrc.num_anchors; i++) - if (src->textSrc.anchors[i] == anchor) - break; - if (anchor->cache && anchor->position + anchor->cache->offset + - anchor->cache->length <= left) - eprev = entity = anchor->cache; - else - eprev = entity = anchor->entities; - while (entity) { - offset = anchor->position + entity->offset; - - if (offset > left) - break; - if (offset + entity->length > left) - break; - - eprev = entity; - entity = entity->next; - } - - /* try to do the right thing here (and most likely correct), but - * other code needs to check what was done */ - - /* adjust entity length */ - if (entity && offset <= left) { - if (offset + entity->length < right) - entity->length = left - offset + block->length; - else - entity->length += diff; - - if (entity->length == 0) { - enext = entity->next; - eprev->next = enext; - anchor->cache = NULL; - XtFree((XtPointer)entity); - if (entity == anchor->entities) { - if ((anchor->entities = enext) == NULL) { - eprev = NULL; - anchor = XawTextSourceRemoveAnchor(w, anchor); - entity = anchor ? anchor->entities : NULL; - } - else - eprev = entity = enext; - } - else - entity = enext; - } - else { - eprev = entity; - entity = entity->next; - } - } - - while (anchor) { - while (entity) { - offset = anchor->position + entity->offset + entity->length; - - if (offset > right) { - entity->length = XawMin(entity->length, offset - right); - goto exit_anchor_loop; - } - - enext = entity->next; - if (eprev) - eprev->next = enext; - XtFree((XtPointer)entity); - anchor->cache = NULL; - if (entity == anchor->entities) { - eprev = NULL; - if ((anchor->entities = enext) == NULL) { - if (i == 0) - ++i; - else if (i < --src->textSrc.num_anchors) { - memmove(&src->textSrc.anchors[i], - &src->textSrc.anchors[i + 1], - (src->textSrc.num_anchors - i) * - sizeof(XawTextAnchor*)); - XtFree((XtPointer)anchor); - } - if (i >= src->textSrc.num_anchors) { - anchor = NULL; - entity = NULL; - break; - } - anchor = src->textSrc.anchors[i]; - entity = anchor->entities; - continue; - } - } - entity = enext; - } - if (i + 1 < src->textSrc.num_anchors) { - anchor = src->textSrc.anchors[++i]; - entity = anchor->entities; - eprev = NULL; - } - else { - anchor = NULL; - break; - } - eprev = NULL; - } - -exit_anchor_loop: - if (anchor) { - XawTextAnchor *aprev; - - if (anchor->position >= XawMax(right, left + block->length)) - anchor->position += diff; - else if (anchor->position > left && - (aprev = XawTextSourcePrevAnchor(w, anchor))) { - XawTextPosition tmp = anchor->position - aprev->position; - - if (diff) { - while (entity) { - entity->offset += diff; - entity = entity->next; - } - } - entity = anchor->entities; - while (entity) { - entity->offset += tmp; - entity = entity->next; - } - if ((entity = aprev->entities) == NULL) - aprev->entities = anchor->entities; - else { - while (entity->next) - entity = entity->next; - entity->next = anchor->entities; - } - anchor->entities = NULL; - (void)XawTextSourceRemoveAnchor(w, anchor); - --i; - } - else if (diff) { - while (entity) { - entity->offset += diff; - entity = entity->next; - } - } - } - - if (diff) { - /* The first anchor is never removed, and should - * have position 0. - * i should be -1 if attempted to removed the first - * anchor, what can be caused when removing a chunk - * of text of the first entity. - * */ - if (++i == 0) { - anchor = src->textSrc.anchors[0]; - eprev = entity = anchor->entities; - while (entity) { - enext = entity->next; - if (entity->offset + entity->length <= -diff) - XtFree((XtPointer)entity); - else - break; - entity = enext; - } - if (eprev != entity) { - anchor->cache = NULL; - if ((anchor->entities = entity) != NULL) { - if ((entity->offset += diff) < 0) { - entity->length += entity->offset; - entity->offset = 0; - } - } - } - ++i; - } - for (; i < src->textSrc.num_anchors; i++) - src->textSrc.anchors[i]->position += diff; - } - } - - start = left; - end = start + block->length; - while (start < end) { - start = XawTextSourceScan(w, start, XawstEOL, XawsdRight, 1, True); - if (start <= end) { - ++lines; - if (start == XawTextSourceScan(w, 0, XawstAll, XawsdRight, 1, True)) { - lines -= !_XawTextSourceNewLineAtEOF(w); - break; - } - } - } - - info.left = left; - info.right = right; - info.block = block; - XtCallCallbacks(w, XtNpropertyCallback, &info); - - TellSourceChanged(src, left, right, block, lines); - /* Call callbacks, we have changed the buffer */ - XtCallCallbacks(w, XtNcallback, - (XtPointer)((long)src->textSrc.changed)); - } - -#endif /* OLDXAW */ - return (error); -} - -#ifndef OLDXAW -Bool -_XawTextSrcUndo(TextSrcObject src, XawTextPosition *insert_pos) -{ - static wchar_t wnull = 0; - XawTextBlock block; - XawTextUndoList *list, *nlist; - XawTextUndoBuffer *l_state, *r_state; - Boolean changed = src->textSrc.changed; - - if (!src->textSrc.enable_undo || !src->textSrc.undo->num_undo) - return (False); - - list = src->textSrc.undo->pointer; - - if (src->textSrc.undo->dir == XawsdLeft) { - l_state = list->right; - r_state = list->left; - } - else { - l_state = list->left; - r_state = list->right; - } - - if (src->textSrc.undo->l_no_change == l_state - && src->textSrc.undo->r_no_change == r_state) - src->textSrc.changed = False; - else - src->textSrc.changed = True; - - block.firstPos = 0; - block.length = r_state->length; - block.ptr = r_state->buffer ? r_state->buffer : (char*)&wnull; - block.format = r_state->format; - - src->textSrc.undo_state = True; - if (XawTextSourceReplace((Widget)src, l_state->position, l_state->position - + l_state->length, &block) != XawEditDone) { - src->textSrc.undo_state = False; - src->textSrc.changed = changed; - return (False); - } - src->textSrc.undo_state = False; - - ++l_state->refcount; - ++r_state->refcount; - nlist = XtNew(XawTextUndoList); - nlist->left = l_state; - nlist->right = r_state; - nlist->undo = src->textSrc.undo->list; - nlist->redo = NULL; - - if (list == src->textSrc.undo->list) - src->textSrc.undo->end_mark = nlist; - - if (src->textSrc.undo->dir == XawsdLeft) { - if (list->undo == NULL) - src->textSrc.undo->dir = XawsdRight; - else - list = list->undo; - } - else { - if (list->redo == NULL || list->redo == src->textSrc.undo->end_mark) - src->textSrc.undo->dir = XawsdLeft; - else - list = list->redo; - } - *insert_pos = r_state->position + r_state->length; - src->textSrc.undo->pointer = list; - src->textSrc.undo->list->redo = nlist; - src->textSrc.undo->list = nlist; - src->textSrc.undo->merge = src->textSrc.undo->erase = 0; - - if (++src->textSrc.undo->num_list >= UNDO_DEPTH) - UndoGC(src->textSrc.undo); - - return (True); -} - -Bool -_XawTextSrcToggleUndo(TextSrcObject src) -{ - if (!src->textSrc.enable_undo || !src->textSrc.undo->num_undo) - return (False); - - if (src->textSrc.undo->pointer != src->textSrc.undo->list) { - if (src->textSrc.undo->dir == XawsdLeft) { - if (src->textSrc.undo->pointer->redo - && (src->textSrc.undo->pointer->redo - != src->textSrc.undo->end_mark)) { - src->textSrc.undo->pointer = src->textSrc.undo->pointer->redo; - src->textSrc.undo->dir = XawsdRight; - } - } - else { - if (src->textSrc.undo->pointer->undo - && (src->textSrc.undo->pointer != src->textSrc.undo->head)) { - src->textSrc.undo->pointer = src->textSrc.undo->pointer->undo; - src->textSrc.undo->dir = XawsdLeft; - } - } - } - - return (True); -} - -static void -FreeUndoBuffer(XawTextUndo *undo) -{ - unsigned i; - XawTextUndoList *head, *del; - - for (i = 0; i < undo->num_undo; i++) { - if (undo->undo[i]->buffer && undo->undo[i]->buffer != SrcNL && - undo->undo[i]->buffer != (char*)SrcWNL) - XtFree(undo->undo[i]->buffer); - XtFree((char*)undo->undo[i]); - } - XtFree((char*)undo->undo); - head = undo->head; - - del = head; - while (head) { - head = head->redo; - XtFree((char*)del); - del = head; - } - - if (undo->l_save) { - XtFree((char*)undo->l_save); - undo->l_save = NULL; - } - if (undo->r_save) { - XtFree((char*)undo->r_save); - undo->r_save = NULL; - } - if (undo->u_save) { - XtFree((char*)undo->u_save); - undo->u_save = NULL; - } - - undo->list = undo->pointer = undo->head = undo->end_mark = NULL; - undo->l_no_change = undo->r_no_change = NULL; - undo->undo = NULL; - undo->dir = XawsdLeft; - undo->num_undo = undo->num_list = undo->erase = undo->merge = 0; -} - -static void -UndoGC(XawTextUndo *undo) -{ - unsigned i; - XawTextUndoList *head = undo->head, *redo = head->redo; - - if (head == undo->pointer || head == undo->end_mark - || undo->l_no_change == NULL - || head->left == undo->l_no_change || head->right == undo->l_no_change) - return; - - undo->head = redo; - redo->undo = NULL; - - --head->left->refcount; - if (--head->right->refcount == 0) { - for (i = 0; i < undo->num_undo; i+= 2) - if (head->left == undo->undo[i] || head->left == undo->undo[i+1]) { - if (head->left == undo->undo[i+1]) { - XawTextUndoBuffer *tmp = redo->left; - - redo->left = redo->right; - redo->right = tmp; - } - if (head->left->buffer && head->left->buffer != SrcNL && - head->left->buffer != (char*)SrcWNL) - XtFree(head->left->buffer); - XtFree((char*)head->left); - if (head->right->buffer && head->right->buffer != SrcNL && - head->right->buffer != (char*)SrcWNL) - XtFree(head->right->buffer); - XtFree((char*)head->right); - - undo->num_undo -= 2; - memmove(&undo->undo[i], &undo->undo[i + 2], - (undo->num_undo - i) * sizeof(XawTextUndoBuffer*)); - break; - } - } - XtFree((char*)head); - --undo->num_list; -} -#endif /* OLDXAW */ - -/* - * Function: - * XawTextSourceScan - * - * Parameters: - * w - TextSrc Object - * position - position to start scanning - * type - type of thing to scan for - * dir - direction to scan - * count - which occurance if this thing to search for - * include - whether or not to include the character found in - * the position that is returned. - * - * Description: - * Scans the text source for the number and type of item specified. - * - * Returns: - * The position of the text - */ -XawTextPosition -XawTextSourceScan(Widget w, XawTextPosition position, -#if NeedWidePrototypes - int type, int dir, int count, int include -#else - XawTextScanType type, XawTextScanDirection dir, - int count, Boolean include -#endif -) -{ - TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class; - - return ((*cclass->textSrc_class.Scan) - (w, position, type, dir, count, include)); -} - -/* - * Function: - * XawTextSourceSearch - * - * Parameters: - * w - TextSource Object - * position - position to start scanning - * dir - direction to scan - * text - the text block to search for. - * - * Returns: - * The position of the text we are searching for or XawTextSearchError. - * - * Description: - * Searchs the text source for the text block passed - */ -XawTextPosition -XawTextSourceSearch(Widget w, XawTextPosition position, -#if NeedWidePrototypes - int dir, -#else - XawTextScanDirection dir, -#endif - XawTextBlock *text) -{ - TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class; - - return ((*cclass->textSrc_class.Search)(w, position, dir, text)); -} - -/* - * Function: - * XawTextSourceConvertSelection - * - * Parameters: - * w - TextSrc object - * selection - current selection atom - * target - current target atom - * type - type to conver the selection to - * value - return value that has been converted - * length - "" - * format - format of the returned value - * - * Returns: - * True if the selection has been converted - */ -Boolean -XawTextSourceConvertSelection(Widget w, Atom *selection, Atom *target, - Atom *type, XtPointer *value, - unsigned long *length, int *format) -{ - TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class; - - return((*cclass->textSrc_class.ConvertSelection) - (w, selection, target, type, value, length, format)); -} - -/* - * Function: - * XawTextSourceSetSelection - * - * Parameters: - * w - TextSrc object - * left - bounds of the selection - * rigth - "" - * selection - selection atom - * - * Description: - * Allows special setting of the selection. - */ -void -XawTextSourceSetSelection(Widget w, XawTextPosition left, - XawTextPosition right, Atom selection) -{ - TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class; - - (*cclass->textSrc_class.SetSelection)(w, left, right, selection); -} - -/* - * External Functions for Multi Text - */ -/* - * TextFormat(): - * returns the format of text: FMT8BIT or FMTWIDE - */ -XrmQuark -_XawTextFormat(TextWidget tw) -{ - return (((TextSrcObject)(tw->text.source))->textSrc.text_format); -} - -/* _XawTextWCToMB(): - * Convert the wchar string to external encoding - * The caller is responsible for freeing both the source and ret string - * - * wstr - source wchar string - * len_in_out - lengh of string. - * As In, length of source wchar string, measured in wchar - * As Out, length of returned string - */ -char * -_XawTextWCToMB(Display *d, wchar_t *wstr, int *len_in_out) -{ - XTextProperty textprop; - - if (XwcTextListToTextProperty(d, (wchar_t**)&wstr, 1, - XTextStyle, &textprop) < Success) { - XtWarningMsg("convertError", "textSource", "XawError", - "Non-character code(s) in buffer.", NULL, NULL); - *len_in_out = 0; - return (NULL); - } - *len_in_out = textprop.nitems; - - return ((char *)textprop.value); -} - -/* _XawTextMBToWC(): - * Convert the string to internal processing codeset WC. - * The caller is responsible for freeing both the source and ret string. - * - * str - source string - * len_in_out - lengh of string - * As In, it is length of source string - * As Out, it is length of returned string, measured in wchar - */ -wchar_t * -_XawTextMBToWC(Display *d, char *str, int *len_in_out) -{ - XTextProperty textprop; - char *buf; - wchar_t **wlist, *wstr; - int count; - - if (*len_in_out == 0) - return (NULL); - - buf = XtMalloc(*len_in_out + 1); - - strncpy(buf, str, *len_in_out); - *(buf + *len_in_out) = '\0'; - if (XmbTextListToTextProperty(d, &buf, 1, XTextStyle, &textprop) != Success) { - XtWarningMsg("convertError", "textSource", "XawError", - "No Memory, or Locale not supported.", NULL, NULL); - XtFree(buf); - *len_in_out = 0; - return (NULL); - } - - XtFree(buf); - if (XwcTextPropertyToTextList(d, &textprop, - (wchar_t***)&wlist, &count) != Success) { - XtWarningMsg("convertError", "multiSourceCreate", "XawError", - "Non-character code(s) in source.", NULL, NULL); - *len_in_out = 0; - return (NULL); - } - wstr = wlist[0]; - *len_in_out = wcslen(wstr); - XtFree((XtPointer)wlist); - - return (wstr); -} - -#ifndef OLDXAW -static int -qcmp_anchors(_Xconst void *left, _Xconst void *right) -{ - return ((*(XawTextAnchor**)left)->position - - (*(XawTextAnchor**)right)->position); -} - -XawTextAnchor * -XawTextSourceAddAnchor(Widget w, XawTextPosition position) -{ - TextSrcObject src = (TextSrcObject)w; - XawTextAnchor *anchor, *panchor; - - if ((panchor = XawTextSourceFindAnchor(w, position)) != NULL) { - XawTextEntity *pentity, *entity; - - if (position - panchor->position < ANCHORS_DIST) - return (panchor); - - if (panchor->cache && panchor->position + panchor->cache->offset + - panchor->cache->length < position) - pentity = entity = panchor->cache; - else - pentity = entity = panchor->entities; - - while (entity && panchor->position + entity->offset + - entity->length < position) { - pentity = entity; - entity = entity->next; - } - if (entity) { - XawTextPosition diff; - - if (panchor->position + entity->offset < position) - position = panchor->position + entity->offset; - - if (position == panchor->position) - return (panchor); - - anchor = XtNew(XawTextAnchor); - diff = position - panchor->position; - - panchor->cache = NULL; - anchor->entities = entity; - if (pentity != entity) - pentity->next = NULL; - else - panchor->entities = NULL; - while (entity) { - entity->offset -= diff; - entity = entity->next; - } - } - else { - anchor = XtNew(XawTextAnchor); - anchor->entities = NULL; - } - } - else { - anchor = XtNew(XawTextAnchor); - anchor->entities = NULL; - } - - anchor->position = position; - anchor->cache = NULL; - - src->textSrc.anchors = (XawTextAnchor**) - XtRealloc((XtPointer)src->textSrc.anchors, sizeof(XawTextAnchor*) * - (src->textSrc.num_anchors + 1)); - src->textSrc.anchors[src->textSrc.num_anchors++] = anchor; - qsort((void*)src->textSrc.anchors, src->textSrc.num_anchors, - sizeof(XawTextAnchor*), qcmp_anchors); - - return (anchor); -} - -XawTextAnchor * -XawTextSourceFindAnchor(Widget w, XawTextPosition position) -{ - TextSrcObject src = (TextSrcObject)w; - int i = 0, left, right, nmemb = src->textSrc.num_anchors; - XawTextAnchor *anchor, **anchors = src->textSrc.anchors; - - left = 0; - right = nmemb - 1; - while (left <= right) { - anchor = anchors[i = (left + right) >> 1]; - if (anchor->position == position) - return (anchor); - else if (position < anchor->position) - right = i - 1; - else - left = i + 1; - } - - if (nmemb) - return (right < 0 ? anchors[0] : anchors[right]); - - return (NULL); -} - -Bool -XawTextSourceAnchorAndEntity(Widget w, XawTextPosition position, - XawTextAnchor **anchor_return, - XawTextEntity **entity_return) -{ - XawTextAnchor *anchor = XawTextSourceFindAnchor(w, position); - XawTextEntity *pentity, *entity; - XawTextPosition offset; - Bool next_anchor = True, retval = False; - - if (anchor->cache && anchor->position + anchor->cache->offset + - anchor->cache->length <= position) - pentity = entity = anchor->cache; - else - pentity = entity = anchor->entities; - while (entity) { - offset = anchor->position + entity->offset; - - if (offset > position) { - retval = next_anchor = False; - break; - } - if (offset + entity->length > position) { - retval = True; - next_anchor = False; - break; - } - pentity = entity; - entity = entity->next; - } - - if (next_anchor) { - *anchor_return = anchor = XawTextSourceNextAnchor(w, anchor); - *entity_return = anchor ? anchor->entities : NULL; - } - else { - *anchor_return = anchor; - *entity_return = retval ? entity : pentity; - } - - if (*anchor_return) - (*anchor_return)->cache = *entity_return; - - return (retval); -} - -XawTextAnchor * -XawTextSourceNextAnchor(Widget w, XawTextAnchor *anchor) -{ - int i; - TextSrcObject src = (TextSrcObject)w; - - for (i = 0; i < src->textSrc.num_anchors - 1; i++) - if (src->textSrc.anchors[i] == anchor) - return (src->textSrc.anchors[i + 1]); - - return (NULL); -} - -XawTextAnchor * -XawTextSourcePrevAnchor(Widget w, XawTextAnchor *anchor) -{ - int i; - TextSrcObject src = (TextSrcObject)w; - - for (i = src->textSrc.num_anchors - 1; i > 0; i--) - if (src->textSrc.anchors[i] == anchor) - return (src->textSrc.anchors[i - 1]); - - return (NULL); -} - -XawTextAnchor * -XawTextSourceRemoveAnchor(Widget w, XawTextAnchor *anchor) -{ - int i; - TextSrcObject src = (TextSrcObject)w; - - for (i = 0; i < src->textSrc.num_anchors; i++) - if (src->textSrc.anchors[i] == anchor) - break; - - if (i == 0) - return (src->textSrc.num_anchors > 1 ? src->textSrc.anchors[1] : NULL); - - if (i < src->textSrc.num_anchors) { - XtFree((XtPointer)anchor); - if (i < --src->textSrc.num_anchors) { - memmove(&src->textSrc.anchors[i], - &src->textSrc.anchors[i + 1], - (src->textSrc.num_anchors - i) * - sizeof(XawTextAnchor*)); - - return (src->textSrc.anchors[i]); - } - } - - return (NULL); -} - -XawTextEntity * -XawTextSourceAddEntity(Widget w, int type, int flags, XtPointer data, - XawTextPosition position, Cardinal length, - XrmQuark property) -{ - XawTextAnchor *next, *anchor = _XawTextSourceFindAnchor(w, position); - XawTextEntity *entity, *eprev; - - /* There is no support for zero length entities for now */ - if (length == 0) - return (NULL); - - if (anchor->cache && anchor->position + anchor->cache->offset + - anchor->cache->length <= position) - eprev = entity = anchor->cache; - else - eprev = entity = anchor->entities; - - while (entity && anchor->position + entity->offset + entity->length <= - position) { - eprev = entity; - entity = entity->next; - } - if (entity && anchor->position + entity->offset < position + length) { - fprintf(stderr, "Cannot (yet) add more than one entity to same region.\n"); - return (NULL); - } - - next = XawTextSourceFindAnchor(w, position + length); - if (next && next != anchor) { - if ((entity = next->entities) != NULL) { - if (next->position + entity->offset < position + length) { - fprintf(stderr, "Cannot (yet) add more than one entity to same region.\n"); - return (NULL); - } - } - if (position + length > next->position) { - XawTextPosition diff = position + length - next->position; - - next->position += diff; - entity = next->entities; - while (entity) { - entity->offset -= diff; - entity = entity->next; - } - entity = anchor->entities; - while (entity && entity->offset < 0) - entity = entity->next; - if (entity && entity->offset < 0) { - if (eprev) - eprev->next = next->entities; - else - anchor->entities = next->entities; - if ((next->entities = entity->next) == NULL) - (void)XawTextSourceRemoveAnchor(w, next); - entity->next = NULL; - - return (XawTextSourceAddEntity(w, type, flags, data, position, - length, property)); - } - } - } - - /* Automatically join sequential entities if possible */ - if (eprev && - anchor->position + eprev->offset + eprev->length == position && - eprev->property == property && eprev->type == type && - eprev->flags == flags && eprev->data == data) { - eprev->length += length; - return (eprev); - } - - entity = XtNew(XawTextEntity); - entity->type = type; - entity->flags = flags; - entity->data = data; - entity->offset = position - anchor->position; - entity->length = length; - entity->property = property; - - if (eprev == NULL) { - anchor->entities = entity; - entity->next = NULL; - anchor->cache = NULL; - } - else if (eprev->offset > entity->offset) { - anchor->cache = NULL; - anchor->entities = entity; - entity->next = eprev; - } - else { - anchor->cache = eprev; - entity->next = eprev->next; - eprev->next = entity; - } - - return (entity); -} - -void -XawTextSourceClearEntities(Widget w, XawTextPosition left, XawTextPosition right) -{ - XawTextAnchor *anchor = XawTextSourceFindAnchor(w, left); - XawTextEntity *entity, *eprev, *enext; - XawTextPosition offset; - int length; - - while (anchor && anchor->entities == NULL) - anchor = XawTextSourceRemoveAnchor(w, anchor); - - if (anchor == NULL || left >= right) - return; - - if (anchor->cache && anchor->position + anchor->cache->offset + - anchor->cache->length < left) - eprev = entity = anchor->cache; - else - eprev = entity = anchor->entities; - - /* find first entity before left position */ - while (anchor->position + entity->offset + entity->length < left) { - eprev = entity; - if ((entity = entity->next) == NULL) { - if ((anchor = XawTextSourceNextAnchor(w, anchor)) == NULL) - return; - if ((eprev = entity = anchor->entities) == NULL) { - fprintf(stderr, "Bad anchor found!\n"); - return; - } - } - } - - offset = anchor->position + entity->offset; - if (offset <= left) { - length = XawMin(entity->length, left - offset); - - if (length <= 0) { - enext = entity->next; - eprev->next = enext; - XtFree((XtPointer)entity); - anchor->cache = NULL; - if (entity == anchor->entities) { - eprev = NULL; - if ((anchor->entities = enext) == NULL) { - if ((anchor = XawTextSourceRemoveAnchor(w, anchor)) == NULL) - return; - entity = anchor->entities; - } - else - entity = enext; - } - else - entity = enext; - } - else { - entity->length = length; - eprev = entity; - entity = entity->next; - } - } - - /* clean everything until right position is reached */ - while (anchor) { - while (entity) { - offset = anchor->position + entity->offset + entity->length; - - if (offset > right) { - anchor->cache = NULL; - entity->offset = XawMax(entity->offset, right - anchor->position); - entity->length = XawMin(entity->length, offset - right); - return; - } - - enext = entity->next; - if (eprev) - eprev->next = enext; - XtFree((XtPointer)entity); - if (entity == anchor->entities) { - eprev = anchor->cache = NULL; - if ((anchor->entities = enext) == NULL) { - if ((anchor = XawTextSourceRemoveAnchor(w, anchor)) == NULL) - return; - entity = anchor->entities; - continue; - } - } - entity = enext; - } - if (anchor) - anchor->cache = NULL; - if ((anchor = XawTextSourceNextAnchor(w, anchor)) != NULL) - entity = anchor->entities; - eprev = NULL; - } -} - -/* checks the anchors up to position, and create an appropriate anchor - * at position, if required. - */ -XawTextAnchor * -_XawTextSourceFindAnchor(Widget w, XawTextPosition position) -{ - XawTextAnchor *anchor; - - anchor = XawTextSourceFindAnchor(w, position); - - position -= position % ANCHORS_DIST; - - if (position - anchor->position >= ANCHORS_DIST) - return (XawTextSourceAddAnchor(w, position)); - - return (anchor); -} -#endif +/*
+
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * Author: Chris Peterson, MIT X Consortium.
+ * Much code taken from X11R3 String and Disk Sources.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xfuncs.h>
+#include <X11/Xutil.h>
+#include <X11/Xmu/Atoms.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xaw/TextSrcP.h>
+#include <X11/Xaw/XawInit.h>
+#include "XawI18n.h"
+#include "Private.h"
+
+#ifndef OLDXAW
+#define UNDO_DEPTH 16384
+
+#define ANCHORS_DIST 4096 /* default distance between anchors */
+
+/*
+ * Types
+ */
+typedef struct {
+ XawTextPosition position;
+ char *buffer;
+ unsigned length;
+ unsigned refcount;
+ unsigned long format;
+} XawTextUndoBuffer;
+
+typedef struct _XawTextUndoList XawTextUndoList;
+struct _XawTextUndoList {
+ XawTextUndoBuffer *left, *right;
+ XawTextUndoList *undo, *redo;
+};
+
+struct _XawTextUndo {
+ XawTextUndoBuffer **undo;
+ unsigned num_undo;
+ XawTextUndoList *list, *pointer, *end_mark, *head;
+ unsigned num_list;
+ XawTextScanDirection dir;
+ XawTextUndoBuffer *l_save, *r_save;
+ XawTextUndoList *u_save;
+ XawTextUndoBuffer *l_no_change, *r_no_change;
+ int merge;
+ int erase; /* there are two types of erases */
+};
+#endif /* OLDXAW */
+
+/*
+ * Class Methods
+ */
+static Boolean ConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*,
+ unsigned long*, int*);
+static XawTextPosition Read(Widget, XawTextPosition, XawTextBlock*, int);
+static int Replace(Widget, XawTextPosition, XawTextPosition, XawTextBlock*);
+static XawTextPosition Scan(Widget, XawTextPosition, XawTextScanType,
+ XawTextScanDirection, int, Bool);
+static XawTextPosition Search(Widget, XawTextPosition, XawTextScanDirection,
+ XawTextBlock*);
+static void SetSelection(Widget, XawTextPosition, XawTextPosition, Atom);
+static void XawTextSrcClassInitialize(void);
+static void XawTextSrcClassPartInitialize(WidgetClass);
+static void XawTextSrcInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawTextSrcDestroy(Widget);
+static Boolean XawTextSrcSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+/*
+ * Prototypes
+ */
+static void CvtStringToEditMode(XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr);
+static Boolean CvtEditModeToString(Display*, XrmValuePtr, Cardinal*,
+ XrmValuePtr, XrmValuePtr, XtPointer*);
+#ifndef OLDXAW
+static void FreeUndoBuffer(XawTextUndo*);
+static void UndoGC(XawTextUndo*);
+static void TellSourceChanged(TextSrcObject, XawTextPosition, XawTextPosition,
+ XawTextBlock*, int);
+Bool _XawTextSrcUndo(TextSrcObject, XawTextPosition*);
+Bool _XawTextSrcToggleUndo(TextSrcObject);
+XawTextAnchor *_XawTextSourceFindAnchor(Widget, XawTextPosition);
+
+/*
+ * External
+ */
+void _XawSourceAddText(Widget, Widget);
+void _XawSourceRemoveText(Widget, Widget, Bool);
+Bool _XawTextSourceNewLineAtEOF(Widget);
+void _XawSourceSetUndoErase(TextSrcObject, int);
+void _XawSourceSetUndoMerge(TextSrcObject, Bool);
+#endif /* OLDXAW */
+
+/*
+ * Defined in Text.c
+ */
+char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition);
+void _XawTextSourceChanged(Widget, XawTextPosition, XawTextPosition,
+ XawTextBlock*, int);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(TextSrcRec, textSrc.field)
+static XtResource resources[] = {
+ {
+ XtNeditType,
+ XtCEditType,
+ XtREditMode,
+ sizeof(XawTextEditType),
+ offset(edit_mode),
+ XtRString,
+ "read"
+ },
+#ifndef OLDXAW
+ {
+ XtNcallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(callback),
+ XtRCallback,
+ NULL
+ },
+ {
+ XtNsourceChanged,
+ XtCChanged,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(changed),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNenableUndo,
+ XtCUndo,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(enable_undo),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNpropertyCallback,
+ XtCCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(property_callback),
+ XtRCallback,
+ NULL
+ },
+#endif /* OLDXAW */
+};
+#undef offset
+
+#define Superclass (&objectClassRec)
+TextSrcClassRec textSrcClassRec = {
+ /* object */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "TextSrc", /* class_name */
+ sizeof(TextSrcRec), /* widget_size */
+ XawTextSrcClassInitialize, /* class_initialize */
+ XawTextSrcClassPartInitialize, /* class_part_initialize */
+ False, /* class_inited */
+ XawTextSrcInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ NULL, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ False, /* compress_exposure */
+ False, /* compress_enterleave */
+ False, /* visible_interest */
+ XawTextSrcDestroy, /* destroy */
+ NULL, /* resize */
+ NULL, /* expose */
+ XawTextSrcSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ NULL, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ NULL, /* query_geometry */
+ NULL, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* text_src */
+ {
+ Read, /* Read */
+ Replace, /* Replace */
+ Scan, /* Scan */
+ Search, /* Search */
+ SetSelection, /* SetSelection */
+ ConvertSelection, /* ConvertSelection */
+ },
+};
+
+WidgetClass textSrcObjectClass = (WidgetClass)&textSrcClassRec;
+
+static XrmQuark QRead, QAppend, QEdit;
+#ifndef OLDXAW
+static char *SrcNL = "\n";
+static wchar_t SrcWNL[2];
+#endif
+
+/*
+ * Implementation
+ */
+static void
+XawTextSrcClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+
+#ifndef OLDXAW
+ SrcWNL[0] = _Xaw_atowc(XawLF);
+ SrcWNL[1] = 0;
+#endif
+ QRead = XrmPermStringToQuark(XtEtextRead);
+ QAppend = XrmPermStringToQuark(XtEtextAppend);
+ QEdit = XrmPermStringToQuark(XtEtextEdit);
+ XtAddConverter(XtRString, XtREditMode, CvtStringToEditMode, NULL, 0);
+ XtSetTypeConverter(XtREditMode, XtRString, CvtEditModeToString, NULL, 0,
+ XtCacheNone, NULL);
+}
+
+static void
+XawTextSrcClassPartInitialize(WidgetClass wc)
+{
+ TextSrcObjectClass t_src, superC;
+
+ t_src = (TextSrcObjectClass)wc;
+ superC = (TextSrcObjectClass)t_src->object_class.superclass;
+
+ /*
+ * We don't need to check for null super since we'll get to TextSrc
+ * eventually
+ */
+ if (t_src->textSrc_class.Read == XtInheritRead)
+ t_src->textSrc_class.Read = superC->textSrc_class.Read;
+
+ if (t_src->textSrc_class.Replace == XtInheritReplace)
+ t_src->textSrc_class.Replace = superC->textSrc_class.Replace;
+
+ if (t_src->textSrc_class.Scan == XtInheritScan)
+ t_src->textSrc_class.Scan = superC->textSrc_class.Scan;
+
+ if (t_src->textSrc_class.Search == XtInheritSearch)
+ t_src->textSrc_class.Search = superC->textSrc_class.Search;
+
+ if (t_src->textSrc_class.SetSelection == XtInheritSetSelection)
+ t_src->textSrc_class.SetSelection = superC->textSrc_class.SetSelection;
+
+ if (t_src->textSrc_class.ConvertSelection == XtInheritConvertSelection)
+ t_src->textSrc_class.ConvertSelection =
+ superC->textSrc_class.ConvertSelection;
+}
+
+/*ARGSUSED*/
+static void
+XawTextSrcInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+#ifndef OLDXAW
+ TextSrcObject src = (TextSrcObject)cnew;
+
+ if (src->textSrc.enable_undo) {
+ src->textSrc.undo = (XawTextUndo*)XtCalloc(1, sizeof(XawTextUndo));
+ src->textSrc.undo->dir = XawsdLeft;
+ }
+ else
+ src->textSrc.undo = NULL;
+ src->textSrc.undo_state = False;
+ if (XtIsSubclass(XtParent(cnew), textWidgetClass)) {
+ src->textSrc.text = (WidgetList)XtMalloc(sizeof(Widget*));
+ src->textSrc.text[0] = XtParent(cnew);
+ src->textSrc.num_text = 1;
+ }
+ else {
+ src->textSrc.text = NULL;
+ src->textSrc.num_text = 0;
+ }
+
+ src->textSrc.anchors = NULL;
+ src->textSrc.num_anchors = 0;
+ (void)XawTextSourceAddAnchor(cnew, 0);
+#endif /* OLDXAW */
+}
+
+static void
+XawTextSrcDestroy(Widget w)
+{
+#ifndef OLDXAW
+ TextSrcObject src = (TextSrcObject)w;
+
+ if (src->textSrc.enable_undo) {
+ FreeUndoBuffer(src->textSrc.undo);
+ XtFree((char*)src->textSrc.undo);
+ }
+ XtFree((char*)src->textSrc.text);
+
+ if (src->textSrc.num_anchors) {
+ XawTextEntity *entity, *enext;
+ int i;
+
+ for (i = 0; i < src->textSrc.num_anchors; i++) {
+ entity = src->textSrc.anchors[i]->entities;
+ while (entity) {
+ enext = entity->next;
+ XtFree((XtPointer)entity);
+ entity = enext;
+ }
+ XtFree((XtPointer)src->textSrc.anchors[i]);
+ }
+ XtFree((XtPointer)src->textSrc.anchors);
+ }
+#endif /* OLDXAW */
+}
+
+/*ARGSUSED*/
+static Boolean
+XawTextSrcSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+#ifndef OLDXAW
+ TextSrcObject oldtw = (TextSrcObject)current;
+ TextSrcObject newtw = (TextSrcObject)cnew;
+
+ if (oldtw->textSrc.enable_undo != newtw->textSrc.enable_undo) {
+ if (newtw->textSrc.enable_undo) {
+ newtw->textSrc.undo = (XawTextUndo*)
+ XtCalloc(1, sizeof(XawTextUndo));
+ newtw->textSrc.undo->dir = XawsdLeft;
+ }
+ else {
+ FreeUndoBuffer(newtw->textSrc.undo);
+ XtFree((char*)newtw->textSrc.undo);
+ newtw->textSrc.undo = NULL;
+ }
+ }
+ if (oldtw->textSrc.changed != newtw->textSrc.changed) {
+ if (newtw->textSrc.enable_undo) {
+ if (newtw->textSrc.undo->list) {
+ newtw->textSrc.undo->l_no_change =
+ newtw->textSrc.undo->list->left;
+ newtw->textSrc.undo->r_no_change =
+ newtw->textSrc.undo->list->right;
+ }
+ else
+ newtw->textSrc.undo->l_no_change =
+ newtw->textSrc.undo->r_no_change = NULL;
+ }
+ }
+#endif /* OLDXAW */
+ return (False);
+}
+
+/*
+ * Function:
+ * Read
+ *
+ * Parameters:
+ * w - TextSrc Object
+ * pos - position of the text to retreive
+ * text - text block that will contain returned text
+ * length - maximum number of characters to read
+ *
+ * Description:
+ * This function reads the source.
+ *
+ * Returns:
+ * The character position following the retrieved text.
+ */
+/*ARGSUSED*/
+static XawTextPosition
+Read(Widget w, XawTextPosition pos, XawTextBlock *text, int length)
+{
+ return ((XawTextPosition)0);
+}
+
+/*
+ * Function:
+ * Replace
+ *
+ * Parameters:
+ * src - Text Source Object
+ * startPos - ends of text that will be removed
+ * endPos - ""
+ * text - new text to be inserted into buffer at startPos
+ *
+ * Description:
+ * Replaces a block of text with new text.
+ */
+/*ARGSUSED*/
+static int
+Replace(Widget w, XawTextPosition startPos, XawTextPosition endPos,
+ XawTextBlock *text)
+{
+ return (XawEditError);
+}
+
+/*
+ * Function:
+ * Scan
+ *
+ * Parameters:
+ * w - TextSrc Object
+ * position - position to start scanning
+ * type - type of thing to scan for
+ * dir - direction to scan
+ * count - which occurance if this thing to search for
+ * include - whether or not to include the character found in
+ * the position that is returned
+ *
+ * Description:
+ * Scans the text source for the number and type of item specified.
+ */
+/*ARGSUSED*/
+static XawTextPosition
+Scan(Widget w, XawTextPosition position, XawTextScanType type,
+ XawTextScanDirection dir, int count, Bool include)
+{
+ return ((XawTextPosition)0);
+}
+
+/*
+ * Function:
+ * Search
+ *
+ * Parameters:
+ * w - TextSource Object
+ * position - position to start searching
+ * dir - direction to search
+ * text - the text block to search for
+ *
+ * Description:
+ * Searchs the text source for the text block passed
+ */
+/*ARGSUSED*/
+static XawTextPosition
+Search(Widget w, XawTextPosition position, XawTextScanDirection dir,
+ XawTextBlock *text)
+{
+ return (XawTextSearchError);
+}
+
+/*ARGSUSED*/
+static Boolean
+ConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type,
+ XtPointer *value, unsigned long *length, int *format)
+{
+ return (False);
+}
+
+/*ARGSUSED*/
+static void
+SetSelection(Widget w, XawTextPosition left, XawTextPosition right,
+ Atom selection)
+{
+}
+
+/*ARGSUSED*/
+static void
+CvtStringToEditMode(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static XawTextEditType editType;
+ XrmQuark q;
+ char name[7];
+
+ XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name));
+ q = XrmStringToQuark(name);
+
+ if (q == QRead)
+ editType = XawtextRead;
+ else if (q == QAppend)
+ editType = XawtextAppend;
+ else if (q == QEdit)
+ editType = XawtextEdit;
+ else {
+ toVal->size = 0;
+ toVal->addr = NULL;
+ XtStringConversionWarning((char *)fromVal->addr, XtREditMode);
+ }
+ toVal->size = sizeof(XawTextEditType);
+ toVal->addr = (XPointer)&editType;
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtEditModeToString(Display *dpy, XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal,
+ XtPointer *data)
+{
+ static String buffer;
+ Cardinal size;
+
+ switch (*(XawTextEditType *)fromVal->addr) {
+ case XawtextRead:
+ buffer = XtEtextRead;
+ break;
+ case XawtextAppend:
+ buffer = XtEtextAppend;
+ break;
+ case XawtextEdit:
+ buffer = XtEtextEdit;
+ break;
+ default:
+ XawTypeToStringWarning(dpy, XtREditMode);
+ toVal->addr = NULL;
+ toVal->size = 0;
+ return (False);
+ }
+
+ size = strlen(buffer) + 1;
+ if (toVal->addr != NULL) {
+ if (toVal->size < size) {
+ toVal->size = size;
+ return (False);
+ }
+ strcpy((char *)toVal->addr, buffer);
+ }
+ else
+ toVal->addr = (XPointer)buffer;
+ toVal->size = sizeof(String);
+
+ return (True);
+}
+
+#ifndef OLDXAW
+Bool
+_XawTextSourceNewLineAtEOF(Widget w)
+{
+ TextSrcObject src = (TextSrcObject)w;
+ XawTextBlock text;
+
+ text.firstPos = 0;
+ if ((text.format = src->textSrc.text_format) == XawFmt8Bit)
+ text.ptr = SrcNL;
+ else
+ text.ptr = (char*)SrcWNL;
+ text.length = 1;
+
+ return (XawTextSourceSearch(w, XawTextSourceScan(w, 0, XawstAll,
+ XawsdRight, 1, True) - 1,
+ XawsdRight, &text) != XawTextSearchError);
+}
+
+void
+_XawSourceAddText(Widget source, Widget text)
+{
+ TextSrcObject src = (TextSrcObject)source;
+ Bool found = False;
+ Cardinal i;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ if (src->textSrc.text[i] == text) {
+ found = True;
+ break;
+ }
+
+ if (!found) {
+ src->textSrc.text = (WidgetList)
+ XtRealloc((char*)src->textSrc.text,
+ sizeof(Widget) * (src->textSrc.num_text + 1));
+ src->textSrc.text[src->textSrc.num_text++] = text;
+ }
+}
+
+void
+_XawSourceRemoveText(Widget source, Widget text, Bool destroy)
+{
+ TextSrcObject src = (TextSrcObject)source;
+ Bool found = False;
+ Cardinal i;
+
+ if (src == NULL)
+ return;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ if (src->textSrc.text[i] == text) {
+ found = True;
+ break;
+ }
+
+ if (found) {
+ if (--src->textSrc.num_text == 0) {
+ if (destroy) {
+ XtDestroyWidget(source);
+ return;
+ }
+ else {
+ XtFree((char*)src->textSrc.text);
+ src->textSrc.text = NULL; /* for realloc "magic" */
+ }
+ }
+ else if (i < src->textSrc.num_text)
+ memmove(&src->textSrc.text[i], &src->textSrc.text[i + 1],
+ sizeof(Widget) * (src->textSrc.num_text - i));
+ }
+}
+#endif /* OLDXAW */
+
+/*
+ * Function:
+ * XawTextSourceRead
+ *
+ * Parameters:
+ * w - TextSrc Object
+ * pos - position of the text to retrieve
+ * text - text block that will contain returned text (return)
+ * length - maximum number of characters to read
+ *
+ * Description:
+ * This function reads the source.
+ *
+ * Returns:
+ * The number of characters read into the buffer
+ */
+XawTextPosition
+XawTextSourceRead(Widget w, XawTextPosition pos, XawTextBlock *text,
+ int length)
+{
+ TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class;
+
+ return ((*cclass->textSrc_class.Read)(w, pos, text, length));
+}
+
+#ifndef OLDXAW
+static void
+TellSourceChanged(TextSrcObject src, XawTextPosition left,
+ XawTextPosition right, XawTextBlock *block, int lines)
+{
+ Cardinal i;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ _XawTextSourceChanged(src->textSrc.text[i], left, right, block, lines);
+}
+
+/*
+ * This function is required because there is no way to diferentiate
+ * if the first erase was generated by a backward-kill-char and the
+ * second by a forward-kill-char (or vice-versa) from XawTextSourceReplace.
+ * It is only possible to diferentiate after the second character is
+ * killed, but then, it is too late.
+ */
+void
+_XawSourceSetUndoErase(TextSrcObject src, int value)
+{
+ if (src && src->textSrc.enable_undo)
+ src->textSrc.undo->erase = value;
+}
+
+/*
+ * To diferentiate insert-char's separeted by cursor movements.
+ */
+void
+_XawSourceSetUndoMerge(TextSrcObject src, Bool state)
+{
+ if (src && src->textSrc.enable_undo)
+ src->textSrc.undo->merge += state ? 1 : -1;
+}
+#endif /* OLDXAW */
+
+/*
+ * Public Functions
+ */
+/*
+ * Function:
+ * XawTextSourceReplace
+ *
+ * Parameters:
+ * src - Text Source Object
+ * startPos - ends of text that will be removed
+ * endPos - ""
+ * text - new text to be inserted into buffer at startPos
+ *
+ * Description:
+ * Replaces a block of text with new text.
+ *
+ * Returns:
+ * XawEditError or XawEditDone.
+ */
+/*ARGSUSED*/
+int
+XawTextSourceReplace(Widget w, XawTextPosition left,
+ XawTextPosition right, XawTextBlock *block)
+{
+ TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class;
+#ifndef OLDXAW
+ TextSrcObject src = (TextSrcObject)w;
+ XawTextUndoBuffer *l_state, *r_state;
+ XawTextUndoList *undo;
+ Bool enable_undo;
+ XawTextPosition start, end;
+ int i, error, lines = 0;
+
+ if (src->textSrc.edit_mode == XawtextRead)
+ return (XawEditError);
+
+ enable_undo = src->textSrc.enable_undo && src->textSrc.undo_state == False;
+ if (enable_undo) {
+ unsigned size, total;
+
+ if (src->textSrc.undo->l_save) {
+ l_state = src->textSrc.undo->l_save;
+ src->textSrc.undo->l_save = NULL;
+ }
+ else
+ l_state = XtNew(XawTextUndoBuffer);
+ l_state->refcount = 1;
+ l_state->position = left;
+ if (left < right) {
+ Widget ctx = NULL;
+
+ for (i = 0; i < src->textSrc.num_text; i++)
+ if (XtIsSubclass(src->textSrc.text[i], textWidgetClass)) {
+ ctx = src->textSrc.text[i];
+ break;
+ }
+ l_state->buffer = _XawTextGetText((TextWidget)ctx, left, right);
+ l_state->length = right - left;
+ }
+ else {
+ l_state->length = 0;
+ l_state->buffer = NULL;
+ }
+ l_state->format = src->textSrc.text_format;
+ if (l_state->length == 1) {
+ if (l_state->format == XawFmtWide &&
+ *(wchar_t*)l_state->buffer == *SrcWNL) {
+ XtFree(l_state->buffer);
+ l_state->buffer = (char*)SrcWNL;
+ }
+ else if (*l_state->buffer == '\n') {
+ XtFree(l_state->buffer);
+ l_state->buffer = SrcNL;
+ }
+ }
+
+ if (src->textSrc.undo->r_save) {
+ r_state = src->textSrc.undo->r_save;
+ src->textSrc.undo->r_save = NULL;
+ }
+ else
+ r_state = XtNew(XawTextUndoBuffer);
+ r_state->refcount = 1;
+ r_state->position = left;
+ r_state->format = block->format;
+ size = block->format == XawFmtWide ? sizeof(wchar_t) : sizeof(char);
+ total = size * block->length;
+ r_state->length = block->length;
+ r_state->buffer = NULL;
+ if (total == size) {
+ if (r_state->format == XawFmtWide &&
+ *(wchar_t*)block->ptr == *SrcWNL)
+ r_state->buffer = (char*)SrcWNL;
+ else if (*block->ptr == '\n')
+ r_state->buffer = SrcNL;
+ }
+ if (total && !r_state->buffer) {
+ r_state->buffer = XtMalloc(total);
+ memcpy(r_state->buffer, block->ptr, total);
+ }
+
+ if (src->textSrc.undo->u_save) {
+ undo = src->textSrc.undo->u_save;
+ src->textSrc.undo->u_save = NULL;
+ }
+ else
+ undo = XtNew(XawTextUndoList);
+ undo->left = l_state;
+ undo->right = r_state;
+ undo->undo = src->textSrc.undo->list;
+ undo->redo = NULL;
+ }
+ else {
+ undo = NULL;
+ l_state = r_state = NULL;
+ }
+
+#define LARGE_VALUE 262144 /* 256 K */
+ /* optimization, to avoid long delays recalculating the line number
+ * when editing huge files
+ */
+ if (left > LARGE_VALUE) {
+ start = XawTextSourceScan(w, left, XawstEOL, XawsdLeft, 2, False);
+ for (i = 0; i < src->textSrc.num_text; i++) {
+ TextWidget tw = (TextWidget)src->textSrc.text[i];
+
+ if (left <= tw->text.lt.top &&
+ left + block->length - (right - left) > tw->text.lt.top)
+ _XawTextBuildLineTable(tw, start, False);
+ }
+ }
+#undef LARGE_VALUE
+
+ start = left;
+ end = right;
+ while (start < end) {
+ start = XawTextSourceScan(w, start, XawstEOL, XawsdRight, 1, True);
+ if (start <= end) {
+ --lines;
+ if (start == XawTextSourceScan(w, 0, XawstAll, XawsdRight, 1, True)) {
+ lines += !_XawTextSourceNewLineAtEOF(w);
+ break;
+ }
+ }
+ }
+#else
+ int error;
+#endif /* OLDXAW */
+
+ error = (*cclass->textSrc_class.Replace)(w, left, right, block);
+
+#ifndef OLDXAW
+ if (error != XawEditDone) {
+ if (enable_undo) {
+ if (l_state->buffer) {
+ if (l_state->buffer != SrcNL && l_state->buffer != (char*)SrcWNL)
+ XtFree(l_state->buffer);
+ l_state->buffer = NULL;
+ }
+ src->textSrc.undo->l_save = l_state;
+ if (r_state->buffer) {
+ if (r_state->buffer != SrcNL && r_state->buffer != (char*)SrcWNL)
+ XtFree(r_state->buffer);
+ r_state->buffer = NULL;
+ }
+ src->textSrc.undo->r_save = r_state;
+
+ src->textSrc.undo->u_save = undo;
+ }
+ }
+ else if (enable_undo) {
+ XawTextUndoList *list = src->textSrc.undo->list;
+ XawTextUndoBuffer *unl, *lnl;
+ int erase = undo->right->length == 0 && undo->left->length == 1 && list
+ && list->right->length == 0;
+
+ if (erase) {
+ erase = list->left->position - 1 == undo->left->position ? -1 :
+ list->left->position == undo->left->position ? 1 : 0;
+ if (src->textSrc.undo->erase && erase != src->textSrc.undo->erase)
+ erase = 0;
+ else
+ src->textSrc.undo->erase = erase;
+ }
+
+ if (erase) {
+ unl = l_state;
+ lnl = list->left;
+ }
+ else {
+ unl = r_state;
+ lnl = list ? list->right : NULL;
+ }
+
+ /* Try to merge the undo buffers */
+ if (src->textSrc.undo->merge > 0 && ((erase ||
+ (list && ((list->left->length == 0 && undo->left->length == 0) ||
+ (list->left->length == list->right->length &&
+ undo->left->length == 1)) &&
+ undo->right->length == 1 &&
+ list->right->position + list->right->length
+ == undo->right->position))
+ && src->textSrc.undo->pointer == list
+ && unl->format == list->right->format
+ && ((unl->format == XawFmt8Bit && unl->buffer[0] != XawLF) ||
+ (unl->format == XawFmtWide &&
+ *(wchar_t*)(unl->buffer) != _Xaw_atowc(XawLF)))
+ && ((lnl->format == XawFmt8Bit && lnl->buffer[0] != XawLF) ||
+ (lnl->format == XawFmtWide &&
+ *(wchar_t*)(lnl->buffer) != _Xaw_atowc(XawLF))))) {
+ unsigned size = lnl->format == XawFmtWide ?
+ sizeof(wchar_t) : sizeof(char);
+
+ if (!erase) {
+ list->right->buffer = XtRealloc(list->right->buffer,
+ (list->right->length + 1) * size);
+ memcpy(list->right->buffer + list->right->length * size,
+ undo->right->buffer, size);
+ ++list->right->length;
+ XtFree(r_state->buffer);
+ }
+ else if (erase < 0) {
+ --list->left->position;
+ --list->right->position;
+ }
+
+ src->textSrc.undo->l_save = l_state;
+ src->textSrc.undo->r_save = r_state;
+ src->textSrc.undo->u_save = undo;
+
+ if (list->left->length) {
+ list->left->buffer = XtRealloc(list->left->buffer,
+ (list->left->length + 1) * size);
+ if (erase >= 0)
+ memcpy(list->left->buffer + list->left->length * size,
+ undo->left->buffer, size);
+ else {
+ /* use memmove, since strings overlap */
+ memmove(list->left->buffer + size, list->left->buffer,
+ list->left->length * size);
+ memcpy(list->left->buffer, undo->left->buffer, size);
+ }
+ ++list->left->length;
+ if (l_state->buffer != SrcNL && l_state->buffer != (char*)SrcWNL)
+ XtFree(l_state->buffer);
+ }
+
+ if (src->textSrc.undo->num_list >= UNDO_DEPTH)
+ UndoGC(src->textSrc.undo);
+ }
+ else {
+ src->textSrc.undo->undo = (XawTextUndoBuffer**)
+ XtRealloc((char*)src->textSrc.undo->undo,
+ (2 + src->textSrc.undo->num_undo)
+ * sizeof(XawTextUndoBuffer));
+ src->textSrc.undo->undo[src->textSrc.undo->num_undo++] = l_state;
+ src->textSrc.undo->undo[src->textSrc.undo->num_undo++] = r_state;
+
+ if (src->textSrc.undo->list)
+ src->textSrc.undo->list->redo = undo;
+ else
+ src->textSrc.undo->head = undo;
+
+ src->textSrc.undo->merge = l_state->length <= 1 &&
+ r_state->length <= 1;
+
+ src->textSrc.undo->list = src->textSrc.undo->pointer =
+ src->textSrc.undo->end_mark = undo;
+
+ if (++src->textSrc.undo->num_list >= UNDO_DEPTH)
+ UndoGC(src->textSrc.undo);
+ }
+ src->textSrc.undo->dir = XawsdLeft;
+ if (!src->textSrc.changed) {
+ src->textSrc.undo->l_no_change = src->textSrc.undo->list->right;
+ src->textSrc.undo->r_no_change = src->textSrc.undo->list->left;
+ src->textSrc.changed = True;
+ }
+ }
+ else if (!src->textSrc.enable_undo)
+ src->textSrc.changed = True;
+
+ if (error == XawEditDone) {
+ XawTextPropertyInfo info;
+ XawTextAnchor *anchor;
+
+ /* find anchor and index */
+ /* XXX index (i) could be returned by XawTextSourceFindAnchor
+ * or similar function, to speed up */
+ if ((anchor = XawTextSourceFindAnchor(w, left))) {
+ XawTextEntity *eprev, *entity, *enext;
+ XawTextPosition offset = 0, diff = block->length - (right - left);
+
+ for (i = 0; i < src->textSrc.num_anchors; i++)
+ if (src->textSrc.anchors[i] == anchor)
+ break;
+ if (anchor->cache && anchor->position + anchor->cache->offset +
+ anchor->cache->length <= left)
+ eprev = entity = anchor->cache;
+ else
+ eprev = entity = anchor->entities;
+ while (entity) {
+ offset = anchor->position + entity->offset;
+
+ if (offset > left)
+ break;
+ if (offset + entity->length > left)
+ break;
+
+ eprev = entity;
+ entity = entity->next;
+ }
+
+ /* try to do the right thing here (and most likely correct), but
+ * other code needs to check what was done */
+
+ /* adjust entity length */
+ if (entity && offset <= left) {
+ if (offset + entity->length < right)
+ entity->length = left - offset + block->length;
+ else
+ entity->length += diff;
+
+ if (entity->length == 0) {
+ enext = entity->next;
+ eprev->next = enext;
+ anchor->cache = NULL;
+ XtFree((XtPointer)entity);
+ if (entity == anchor->entities) {
+ if ((anchor->entities = enext) == NULL) {
+ eprev = NULL;
+ anchor = XawTextSourceRemoveAnchor(w, anchor);
+ entity = anchor ? anchor->entities : NULL;
+ }
+ else
+ eprev = entity = enext;
+ }
+ else
+ entity = enext;
+ }
+ else {
+ eprev = entity;
+ entity = entity->next;
+ }
+ }
+
+ while (anchor) {
+ while (entity) {
+ offset = anchor->position + entity->offset + entity->length;
+
+ if (offset > right) {
+ entity->length = XawMin(entity->length, offset - right);
+ goto exit_anchor_loop;
+ }
+
+ enext = entity->next;
+ if (eprev)
+ eprev->next = enext;
+ XtFree((XtPointer)entity);
+ anchor->cache = NULL;
+ if (entity == anchor->entities) {
+ eprev = NULL;
+ if ((anchor->entities = enext) == NULL) {
+ if (i == 0)
+ ++i;
+ else if (i < --src->textSrc.num_anchors) {
+ memmove(&src->textSrc.anchors[i],
+ &src->textSrc.anchors[i + 1],
+ (src->textSrc.num_anchors - i) *
+ sizeof(XawTextAnchor*));
+ XtFree((XtPointer)anchor);
+ }
+ if (i >= src->textSrc.num_anchors) {
+ anchor = NULL;
+ entity = NULL;
+ break;
+ }
+ anchor = src->textSrc.anchors[i];
+ entity = anchor->entities;
+ continue;
+ }
+ }
+ entity = enext;
+ }
+ if (i + 1 < src->textSrc.num_anchors) {
+ anchor = src->textSrc.anchors[++i];
+ entity = anchor->entities;
+ eprev = NULL;
+ }
+ else {
+ anchor = NULL;
+ break;
+ }
+ eprev = NULL;
+ }
+
+exit_anchor_loop:
+ if (anchor) {
+ XawTextAnchor *aprev;
+
+ if (anchor->position >= XawMax(right, left + block->length))
+ anchor->position += diff;
+ else if (anchor->position > left &&
+ (aprev = XawTextSourcePrevAnchor(w, anchor))) {
+ XawTextPosition tmp = anchor->position - aprev->position;
+
+ if (diff) {
+ while (entity) {
+ entity->offset += diff;
+ entity = entity->next;
+ }
+ }
+ entity = anchor->entities;
+ while (entity) {
+ entity->offset += tmp;
+ entity = entity->next;
+ }
+ if ((entity = aprev->entities) == NULL)
+ aprev->entities = anchor->entities;
+ else {
+ while (entity->next)
+ entity = entity->next;
+ entity->next = anchor->entities;
+ }
+ anchor->entities = NULL;
+ (void)XawTextSourceRemoveAnchor(w, anchor);
+ --i;
+ }
+ else if (diff) {
+ while (entity) {
+ entity->offset += diff;
+ entity = entity->next;
+ }
+ }
+ }
+
+ if (diff) {
+ /* The first anchor is never removed, and should
+ * have position 0.
+ * i should be -1 if attempted to removed the first
+ * anchor, what can be caused when removing a chunk
+ * of text of the first entity.
+ * */
+ if (++i == 0) {
+ anchor = src->textSrc.anchors[0];
+ eprev = entity = anchor->entities;
+ while (entity) {
+ enext = entity->next;
+ if (entity->offset + entity->length <= -diff)
+ XtFree((XtPointer)entity);
+ else
+ break;
+ entity = enext;
+ }
+ if (eprev != entity) {
+ anchor->cache = NULL;
+ if ((anchor->entities = entity) != NULL) {
+ if ((entity->offset += diff) < 0) {
+ entity->length += entity->offset;
+ entity->offset = 0;
+ }
+ }
+ }
+ ++i;
+ }
+ for (; i < src->textSrc.num_anchors; i++)
+ src->textSrc.anchors[i]->position += diff;
+ }
+ }
+
+ start = left;
+ end = start + block->length;
+ while (start < end) {
+ start = XawTextSourceScan(w, start, XawstEOL, XawsdRight, 1, True);
+ if (start <= end) {
+ ++lines;
+ if (start == XawTextSourceScan(w, 0, XawstAll, XawsdRight, 1, True)) {
+ lines -= !_XawTextSourceNewLineAtEOF(w);
+ break;
+ }
+ }
+ }
+
+ info.left = left;
+ info.right = right;
+ info.block = block;
+ XtCallCallbacks(w, XtNpropertyCallback, &info);
+
+ TellSourceChanged(src, left, right, block, lines);
+ /* Call callbacks, we have changed the buffer */
+ XtCallCallbacks(w, XtNcallback,
+ (XtPointer)((long)src->textSrc.changed));
+ }
+
+#endif /* OLDXAW */
+ return (error);
+}
+
+#ifndef OLDXAW
+Bool
+_XawTextSrcUndo(TextSrcObject src, XawTextPosition *insert_pos)
+{
+ static wchar_t wnull = 0;
+ XawTextBlock block;
+ XawTextUndoList *list, *nlist;
+ XawTextUndoBuffer *l_state, *r_state;
+ Boolean changed = src->textSrc.changed;
+
+ if (!src->textSrc.enable_undo || !src->textSrc.undo->num_undo)
+ return (False);
+
+ list = src->textSrc.undo->pointer;
+
+ if (src->textSrc.undo->dir == XawsdLeft) {
+ l_state = list->right;
+ r_state = list->left;
+ }
+ else {
+ l_state = list->left;
+ r_state = list->right;
+ }
+
+ if (src->textSrc.undo->l_no_change == l_state
+ && src->textSrc.undo->r_no_change == r_state)
+ src->textSrc.changed = False;
+ else
+ src->textSrc.changed = True;
+
+ block.firstPos = 0;
+ block.length = r_state->length;
+ block.ptr = r_state->buffer ? r_state->buffer : (char*)&wnull;
+ block.format = r_state->format;
+
+ src->textSrc.undo_state = True;
+ if (XawTextSourceReplace((Widget)src, l_state->position, l_state->position
+ + l_state->length, &block) != XawEditDone) {
+ src->textSrc.undo_state = False;
+ src->textSrc.changed = changed;
+ return (False);
+ }
+ src->textSrc.undo_state = False;
+
+ ++l_state->refcount;
+ ++r_state->refcount;
+ nlist = XtNew(XawTextUndoList);
+ nlist->left = l_state;
+ nlist->right = r_state;
+ nlist->undo = src->textSrc.undo->list;
+ nlist->redo = NULL;
+
+ if (list == src->textSrc.undo->list)
+ src->textSrc.undo->end_mark = nlist;
+
+ if (src->textSrc.undo->dir == XawsdLeft) {
+ if (list->undo == NULL)
+ src->textSrc.undo->dir = XawsdRight;
+ else
+ list = list->undo;
+ }
+ else {
+ if (list->redo == NULL || list->redo == src->textSrc.undo->end_mark)
+ src->textSrc.undo->dir = XawsdLeft;
+ else
+ list = list->redo;
+ }
+ *insert_pos = r_state->position + r_state->length;
+ src->textSrc.undo->pointer = list;
+ src->textSrc.undo->list->redo = nlist;
+ src->textSrc.undo->list = nlist;
+ src->textSrc.undo->merge = src->textSrc.undo->erase = 0;
+
+ if (++src->textSrc.undo->num_list >= UNDO_DEPTH)
+ UndoGC(src->textSrc.undo);
+
+ return (True);
+}
+
+Bool
+_XawTextSrcToggleUndo(TextSrcObject src)
+{
+ if (!src->textSrc.enable_undo || !src->textSrc.undo->num_undo)
+ return (False);
+
+ if (src->textSrc.undo->pointer != src->textSrc.undo->list) {
+ if (src->textSrc.undo->dir == XawsdLeft) {
+ if (src->textSrc.undo->pointer->redo
+ && (src->textSrc.undo->pointer->redo
+ != src->textSrc.undo->end_mark)) {
+ src->textSrc.undo->pointer = src->textSrc.undo->pointer->redo;
+ src->textSrc.undo->dir = XawsdRight;
+ }
+ }
+ else {
+ if (src->textSrc.undo->pointer->undo
+ && (src->textSrc.undo->pointer != src->textSrc.undo->head)) {
+ src->textSrc.undo->pointer = src->textSrc.undo->pointer->undo;
+ src->textSrc.undo->dir = XawsdLeft;
+ }
+ }
+ }
+
+ return (True);
+}
+
+static void
+FreeUndoBuffer(XawTextUndo *undo)
+{
+ unsigned i;
+ XawTextUndoList *head, *del;
+
+ for (i = 0; i < undo->num_undo; i++) {
+ if (undo->undo[i]->buffer && undo->undo[i]->buffer != SrcNL &&
+ undo->undo[i]->buffer != (char*)SrcWNL)
+ XtFree(undo->undo[i]->buffer);
+ XtFree((char*)undo->undo[i]);
+ }
+ XtFree((char*)undo->undo);
+ head = undo->head;
+
+ del = head;
+ while (head) {
+ head = head->redo;
+ XtFree((char*)del);
+ del = head;
+ }
+
+ if (undo->l_save) {
+ XtFree((char*)undo->l_save);
+ undo->l_save = NULL;
+ }
+ if (undo->r_save) {
+ XtFree((char*)undo->r_save);
+ undo->r_save = NULL;
+ }
+ if (undo->u_save) {
+ XtFree((char*)undo->u_save);
+ undo->u_save = NULL;
+ }
+
+ undo->list = undo->pointer = undo->head = undo->end_mark = NULL;
+ undo->l_no_change = undo->r_no_change = NULL;
+ undo->undo = NULL;
+ undo->dir = XawsdLeft;
+ undo->num_undo = undo->num_list = undo->erase = undo->merge = 0;
+}
+
+static void
+UndoGC(XawTextUndo *undo)
+{
+ unsigned i;
+ XawTextUndoList *head = undo->head, *redo = head->redo;
+
+ if (head == undo->pointer || head == undo->end_mark
+ || undo->l_no_change == NULL
+ || head->left == undo->l_no_change || head->right == undo->l_no_change)
+ return;
+
+ undo->head = redo;
+ redo->undo = NULL;
+
+ --head->left->refcount;
+ if (--head->right->refcount == 0) {
+ for (i = 0; i < undo->num_undo; i+= 2)
+ if (head->left == undo->undo[i] || head->left == undo->undo[i+1]) {
+ if (head->left == undo->undo[i+1]) {
+ XawTextUndoBuffer *tmp = redo->left;
+
+ redo->left = redo->right;
+ redo->right = tmp;
+ }
+ if (head->left->buffer && head->left->buffer != SrcNL &&
+ head->left->buffer != (char*)SrcWNL)
+ XtFree(head->left->buffer);
+ XtFree((char*)head->left);
+ if (head->right->buffer && head->right->buffer != SrcNL &&
+ head->right->buffer != (char*)SrcWNL)
+ XtFree(head->right->buffer);
+ XtFree((char*)head->right);
+
+ undo->num_undo -= 2;
+ memmove(&undo->undo[i], &undo->undo[i + 2],
+ (undo->num_undo - i) * sizeof(XawTextUndoBuffer*));
+ break;
+ }
+ }
+ XtFree((char*)head);
+ --undo->num_list;
+}
+#endif /* OLDXAW */
+
+/*
+ * Function:
+ * XawTextSourceScan
+ *
+ * Parameters:
+ * w - TextSrc Object
+ * position - position to start scanning
+ * type - type of thing to scan for
+ * dir - direction to scan
+ * count - which occurance if this thing to search for
+ * include - whether or not to include the character found in
+ * the position that is returned.
+ *
+ * Description:
+ * Scans the text source for the number and type of item specified.
+ *
+ * Returns:
+ * The position of the text
+ */
+XawTextPosition
+XawTextSourceScan(Widget w, XawTextPosition position,
+#if NeedWidePrototypes
+ int type, int dir, int count, int include
+#else
+ XawTextScanType type, XawTextScanDirection dir,
+ int count, Boolean include
+#endif
+)
+{
+ TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class;
+
+ return ((*cclass->textSrc_class.Scan)
+ (w, position, type, dir, count, include));
+}
+
+/*
+ * Function:
+ * XawTextSourceSearch
+ *
+ * Parameters:
+ * w - TextSource Object
+ * position - position to start scanning
+ * dir - direction to scan
+ * text - the text block to search for.
+ *
+ * Returns:
+ * The position of the text we are searching for or XawTextSearchError.
+ *
+ * Description:
+ * Searchs the text source for the text block passed
+ */
+XawTextPosition
+XawTextSourceSearch(Widget w, XawTextPosition position,
+#if NeedWidePrototypes
+ int dir,
+#else
+ XawTextScanDirection dir,
+#endif
+ XawTextBlock *text)
+{
+ TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class;
+
+ return ((*cclass->textSrc_class.Search)(w, position, dir, text));
+}
+
+/*
+ * Function:
+ * XawTextSourceConvertSelection
+ *
+ * Parameters:
+ * w - TextSrc object
+ * selection - current selection atom
+ * target - current target atom
+ * type - type to conver the selection to
+ * value - return value that has been converted
+ * length - ""
+ * format - format of the returned value
+ *
+ * Returns:
+ * True if the selection has been converted
+ */
+Boolean
+XawTextSourceConvertSelection(Widget w, Atom *selection, Atom *target,
+ Atom *type, XtPointer *value,
+ unsigned long *length, int *format)
+{
+ TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class;
+
+ return((*cclass->textSrc_class.ConvertSelection)
+ (w, selection, target, type, value, length, format));
+}
+
+/*
+ * Function:
+ * XawTextSourceSetSelection
+ *
+ * Parameters:
+ * w - TextSrc object
+ * left - bounds of the selection
+ * rigth - ""
+ * selection - selection atom
+ *
+ * Description:
+ * Allows special setting of the selection.
+ */
+void
+XawTextSourceSetSelection(Widget w, XawTextPosition left,
+ XawTextPosition right, Atom selection)
+{
+ TextSrcObjectClass cclass = (TextSrcObjectClass)w->core.widget_class;
+
+ (*cclass->textSrc_class.SetSelection)(w, left, right, selection);
+}
+
+/*
+ * External Functions for Multi Text
+ */
+/*
+ * TextFormat():
+ * returns the format of text: FMT8BIT or FMTWIDE
+ */
+XrmQuark
+_XawTextFormat(TextWidget tw)
+{
+ return (((TextSrcObject)(tw->text.source))->textSrc.text_format);
+}
+
+/* _XawTextWCToMB():
+ * Convert the wchar string to external encoding
+ * The caller is responsible for freeing both the source and ret string
+ *
+ * wstr - source wchar string
+ * len_in_out - lengh of string.
+ * As In, length of source wchar string, measured in wchar
+ * As Out, length of returned string
+ */
+char *
+_XawTextWCToMB(Display *d, wchar_t *wstr, int *len_in_out)
+{
+ XTextProperty textprop;
+
+ if (XwcTextListToTextProperty(d, (wchar_t**)&wstr, 1,
+ XTextStyle, &textprop) < Success) {
+ XtWarningMsg("convertError", "textSource", "XawError",
+ "Non-character code(s) in buffer.", NULL, NULL);
+ *len_in_out = 0;
+ return (NULL);
+ }
+ *len_in_out = textprop.nitems;
+
+ return ((char *)textprop.value);
+}
+
+/* _XawTextMBToWC():
+ * Convert the string to internal processing codeset WC.
+ * The caller is responsible for freeing both the source and ret string.
+ *
+ * str - source string
+ * len_in_out - lengh of string
+ * As In, it is length of source string
+ * As Out, it is length of returned string, measured in wchar
+ */
+wchar_t *
+_XawTextMBToWC(Display *d, char *str, int *len_in_out)
+{
+ XTextProperty textprop;
+ char *buf;
+ wchar_t **wlist, *wstr;
+ int count;
+
+ if (*len_in_out == 0)
+ return (NULL);
+
+ buf = XtMalloc(*len_in_out + 1);
+
+ strncpy(buf, str, *len_in_out);
+ *(buf + *len_in_out) = '\0';
+ if (XmbTextListToTextProperty(d, &buf, 1, XTextStyle, &textprop) != Success) {
+ XtWarningMsg("convertError", "textSource", "XawError",
+ "No Memory, or Locale not supported.", NULL, NULL);
+ XtFree(buf);
+ *len_in_out = 0;
+ return (NULL);
+ }
+
+ XtFree(buf);
+ if (XwcTextPropertyToTextList(d, &textprop,
+ (wchar_t***)&wlist, &count) != Success) {
+ XtWarningMsg("convertError", "multiSourceCreate", "XawError",
+ "Non-character code(s) in source.", NULL, NULL);
+ *len_in_out = 0;
+ return (NULL);
+ }
+ wstr = wlist[0];
+ *len_in_out = wcslen(wstr);
+ XtFree((XtPointer)wlist);
+
+ return (wstr);
+}
+
+#ifndef OLDXAW
+static int
+qcmp_anchors(_Xconst void *left, _Xconst void *right)
+{
+ return ((*(XawTextAnchor**)left)->position -
+ (*(XawTextAnchor**)right)->position);
+}
+
+XawTextAnchor *
+XawTextSourceAddAnchor(Widget w, XawTextPosition position)
+{
+ TextSrcObject src = (TextSrcObject)w;
+ XawTextAnchor *anchor, *panchor;
+
+ if ((panchor = XawTextSourceFindAnchor(w, position)) != NULL) {
+ XawTextEntity *pentity, *entity;
+
+ if (position - panchor->position < ANCHORS_DIST)
+ return (panchor);
+
+ if (panchor->cache && panchor->position + panchor->cache->offset +
+ panchor->cache->length < position)
+ pentity = entity = panchor->cache;
+ else
+ pentity = entity = panchor->entities;
+
+ while (entity && panchor->position + entity->offset +
+ entity->length < position) {
+ pentity = entity;
+ entity = entity->next;
+ }
+ if (entity) {
+ XawTextPosition diff;
+
+ if (panchor->position + entity->offset < position)
+ position = panchor->position + entity->offset;
+
+ if (position == panchor->position)
+ return (panchor);
+
+ anchor = XtNew(XawTextAnchor);
+ diff = position - panchor->position;
+
+ panchor->cache = NULL;
+ anchor->entities = entity;
+ if (pentity != entity)
+ pentity->next = NULL;
+ else
+ panchor->entities = NULL;
+ while (entity) {
+ entity->offset -= diff;
+ entity = entity->next;
+ }
+ }
+ else {
+ anchor = XtNew(XawTextAnchor);
+ anchor->entities = NULL;
+ }
+ }
+ else {
+ anchor = XtNew(XawTextAnchor);
+ anchor->entities = NULL;
+ }
+
+ anchor->position = position;
+ anchor->cache = NULL;
+
+ src->textSrc.anchors = (XawTextAnchor**)
+ XtRealloc((XtPointer)src->textSrc.anchors, sizeof(XawTextAnchor*) *
+ (src->textSrc.num_anchors + 1));
+ src->textSrc.anchors[src->textSrc.num_anchors++] = anchor;
+ qsort((void*)src->textSrc.anchors, src->textSrc.num_anchors,
+ sizeof(XawTextAnchor*), qcmp_anchors);
+
+ return (anchor);
+}
+
+XawTextAnchor *
+XawTextSourceFindAnchor(Widget w, XawTextPosition position)
+{
+ TextSrcObject src = (TextSrcObject)w;
+ int i = 0, left, right, nmemb = src->textSrc.num_anchors;
+ XawTextAnchor *anchor, **anchors = src->textSrc.anchors;
+
+ left = 0;
+ right = nmemb - 1;
+ while (left <= right) {
+ anchor = anchors[i = (left + right) >> 1];
+ if (anchor->position == position)
+ return (anchor);
+ else if (position < anchor->position)
+ right = i - 1;
+ else
+ left = i + 1;
+ }
+
+ if (nmemb)
+ return (right < 0 ? anchors[0] : anchors[right]);
+
+ return (NULL);
+}
+
+Bool
+XawTextSourceAnchorAndEntity(Widget w, XawTextPosition position,
+ XawTextAnchor **anchor_return,
+ XawTextEntity **entity_return)
+{
+ XawTextAnchor *anchor = XawTextSourceFindAnchor(w, position);
+ XawTextEntity *pentity, *entity;
+ XawTextPosition offset;
+ Bool next_anchor = True, retval = False;
+
+ if (anchor->cache && anchor->position + anchor->cache->offset +
+ anchor->cache->length <= position)
+ pentity = entity = anchor->cache;
+ else
+ pentity = entity = anchor->entities;
+ while (entity) {
+ offset = anchor->position + entity->offset;
+
+ if (offset > position) {
+ retval = next_anchor = False;
+ break;
+ }
+ if (offset + entity->length > position) {
+ retval = True;
+ next_anchor = False;
+ break;
+ }
+ pentity = entity;
+ entity = entity->next;
+ }
+
+ if (next_anchor) {
+ *anchor_return = anchor = XawTextSourceNextAnchor(w, anchor);
+ *entity_return = anchor ? anchor->entities : NULL;
+ }
+ else {
+ *anchor_return = anchor;
+ *entity_return = retval ? entity : pentity;
+ }
+
+ if (*anchor_return)
+ (*anchor_return)->cache = *entity_return;
+
+ return (retval);
+}
+
+XawTextAnchor *
+XawTextSourceNextAnchor(Widget w, XawTextAnchor *anchor)
+{
+ int i;
+ TextSrcObject src = (TextSrcObject)w;
+
+ for (i = 0; i < src->textSrc.num_anchors - 1; i++)
+ if (src->textSrc.anchors[i] == anchor)
+ return (src->textSrc.anchors[i + 1]);
+
+ return (NULL);
+}
+
+XawTextAnchor *
+XawTextSourcePrevAnchor(Widget w, XawTextAnchor *anchor)
+{
+ int i;
+ TextSrcObject src = (TextSrcObject)w;
+
+ for (i = src->textSrc.num_anchors - 1; i > 0; i--)
+ if (src->textSrc.anchors[i] == anchor)
+ return (src->textSrc.anchors[i - 1]);
+
+ return (NULL);
+}
+
+XawTextAnchor *
+XawTextSourceRemoveAnchor(Widget w, XawTextAnchor *anchor)
+{
+ int i;
+ TextSrcObject src = (TextSrcObject)w;
+
+ for (i = 0; i < src->textSrc.num_anchors; i++)
+ if (src->textSrc.anchors[i] == anchor)
+ break;
+
+ if (i == 0)
+ return (src->textSrc.num_anchors > 1 ? src->textSrc.anchors[1] : NULL);
+
+ if (i < src->textSrc.num_anchors) {
+ XtFree((XtPointer)anchor);
+ if (i < --src->textSrc.num_anchors) {
+ memmove(&src->textSrc.anchors[i],
+ &src->textSrc.anchors[i + 1],
+ (src->textSrc.num_anchors - i) *
+ sizeof(XawTextAnchor*));
+
+ return (src->textSrc.anchors[i]);
+ }
+ }
+
+ return (NULL);
+}
+
+XawTextEntity *
+XawTextSourceAddEntity(Widget w, int type, int flags, XtPointer data,
+ XawTextPosition position, Cardinal length,
+ XrmQuark property)
+{
+ XawTextAnchor *next, *anchor = _XawTextSourceFindAnchor(w, position);
+ XawTextEntity *entity, *eprev;
+
+ /* There is no support for zero length entities for now */
+ if (length == 0)
+ return (NULL);
+
+ if (anchor->cache && anchor->position + anchor->cache->offset +
+ anchor->cache->length <= position)
+ eprev = entity = anchor->cache;
+ else
+ eprev = entity = anchor->entities;
+
+ while (entity && anchor->position + entity->offset + entity->length <=
+ position) {
+ eprev = entity;
+ entity = entity->next;
+ }
+ if (entity && anchor->position + entity->offset < position + length) {
+ fprintf(stderr, "Cannot (yet) add more than one entity to same region.\n");
+ return (NULL);
+ }
+
+ next = XawTextSourceFindAnchor(w, position + length);
+ if (next && next != anchor) {
+ if ((entity = next->entities) != NULL) {
+ if (next->position + entity->offset < position + length) {
+ fprintf(stderr, "Cannot (yet) add more than one entity to same region.\n");
+ return (NULL);
+ }
+ }
+ if (position + length > next->position) {
+ XawTextPosition diff = position + length - next->position;
+
+ next->position += diff;
+ entity = next->entities;
+ while (entity) {
+ entity->offset -= diff;
+ entity = entity->next;
+ }
+ entity = anchor->entities;
+ while (entity && entity->offset < 0)
+ entity = entity->next;
+ if (entity && entity->offset < 0) {
+ if (eprev)
+ eprev->next = next->entities;
+ else
+ anchor->entities = next->entities;
+ if ((next->entities = entity->next) == NULL)
+ (void)XawTextSourceRemoveAnchor(w, next);
+ entity->next = NULL;
+
+ return (XawTextSourceAddEntity(w, type, flags, data, position,
+ length, property));
+ }
+ }
+ }
+
+ /* Automatically join sequential entities if possible */
+ if (eprev &&
+ anchor->position + eprev->offset + eprev->length == position &&
+ eprev->property == property && eprev->type == type &&
+ eprev->flags == flags && eprev->data == data) {
+ eprev->length += length;
+ return (eprev);
+ }
+
+ entity = XtNew(XawTextEntity);
+ entity->type = type;
+ entity->flags = flags;
+ entity->data = data;
+ entity->offset = position - anchor->position;
+ entity->length = length;
+ entity->property = property;
+
+ if (eprev == NULL) {
+ anchor->entities = entity;
+ entity->next = NULL;
+ anchor->cache = NULL;
+ }
+ else if (eprev->offset > entity->offset) {
+ anchor->cache = NULL;
+ anchor->entities = entity;
+ entity->next = eprev;
+ }
+ else {
+ anchor->cache = eprev;
+ entity->next = eprev->next;
+ eprev->next = entity;
+ }
+
+ return (entity);
+}
+
+void
+XawTextSourceClearEntities(Widget w, XawTextPosition left, XawTextPosition right)
+{
+ XawTextAnchor *anchor = XawTextSourceFindAnchor(w, left);
+ XawTextEntity *entity, *eprev, *enext;
+ XawTextPosition offset;
+ int length;
+
+ while (anchor && anchor->entities == NULL)
+ anchor = XawTextSourceRemoveAnchor(w, anchor);
+
+ if (anchor == NULL || left >= right)
+ return;
+
+ if (anchor->cache && anchor->position + anchor->cache->offset +
+ anchor->cache->length < left)
+ eprev = entity = anchor->cache;
+ else
+ eprev = entity = anchor->entities;
+
+ /* find first entity before left position */
+ while (anchor->position + entity->offset + entity->length < left) {
+ eprev = entity;
+ if ((entity = entity->next) == NULL) {
+ if ((anchor = XawTextSourceNextAnchor(w, anchor)) == NULL)
+ return;
+ if ((eprev = entity = anchor->entities) == NULL) {
+ fprintf(stderr, "Bad anchor found!\n");
+ return;
+ }
+ }
+ }
+
+ offset = anchor->position + entity->offset;
+ if (offset <= left) {
+ length = XawMin(entity->length, left - offset);
+
+ if (length <= 0) {
+ enext = entity->next;
+ eprev->next = enext;
+ XtFree((XtPointer)entity);
+ anchor->cache = NULL;
+ if (entity == anchor->entities) {
+ eprev = NULL;
+ if ((anchor->entities = enext) == NULL) {
+ if ((anchor = XawTextSourceRemoveAnchor(w, anchor)) == NULL)
+ return;
+ entity = anchor->entities;
+ }
+ else
+ entity = enext;
+ }
+ else
+ entity = enext;
+ }
+ else {
+ entity->length = length;
+ eprev = entity;
+ entity = entity->next;
+ }
+ }
+
+ /* clean everything until right position is reached */
+ while (anchor) {
+ while (entity) {
+ offset = anchor->position + entity->offset + entity->length;
+
+ if (offset > right) {
+ anchor->cache = NULL;
+ entity->offset = XawMax(entity->offset, right - anchor->position);
+ entity->length = XawMin(entity->length, offset - right);
+ return;
+ }
+
+ enext = entity->next;
+ if (eprev)
+ eprev->next = enext;
+ XtFree((XtPointer)entity);
+ if (entity == anchor->entities) {
+ eprev = anchor->cache = NULL;
+ if ((anchor->entities = enext) == NULL) {
+ if ((anchor = XawTextSourceRemoveAnchor(w, anchor)) == NULL)
+ return;
+ entity = anchor->entities;
+ continue;
+ }
+ }
+ entity = enext;
+ }
+ if (anchor)
+ anchor->cache = NULL;
+ if ((anchor = XawTextSourceNextAnchor(w, anchor)) != NULL)
+ entity = anchor->entities;
+ eprev = NULL;
+ }
+}
+
+/* checks the anchors up to position, and create an appropriate anchor
+ * at position, if required.
+ */
+XawTextAnchor *
+_XawTextSourceFindAnchor(Widget w, XawTextPosition position)
+{
+ XawTextAnchor *anchor;
+
+ anchor = XawTextSourceFindAnchor(w, position);
+
+ position -= position % ANCHORS_DIST;
+
+ if (position - anchor->position >= ANCHORS_DIST)
+ return (XawTextSourceAddAnchor(w, position));
+
+ return (anchor);
+}
+#endif
diff --git a/libXaw/src/TextTr.c b/libXaw/src/TextTr.c index f354683e2..5c524196a 100644 --- a/libXaw/src/TextTr.c +++ b/libXaw/src/TextTr.c @@ -1,158 +1,158 @@ -/* - -Copyright 1991, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* INTERNATIONALIZATION: - -The OMRON R5 contrib added the following action to the old TextTr: - - Ctrl<Key>backslash: reconnect-im() - -This is needed when the im is killed or otherwise becomes unreachable. -This keystroke is evil (inconvenient, hard-to-remember, not obvious) -so I am adding one more translation: - - <Key>Kanji: reconnect-im() - -The Japanese user typically hits their Kanji key when they want to do -input. This merely makes sure the input is connected. -*/ - -#include <X11/Xaw/Text.h> - -char _XawDefaultTextTranslations[] = -"c<Key>A:" "beginning-of-line()\n" -"c<Key>B:" "backward-character()\n" -"c<Key>C:" "insert-selection(CUT_BUFFER0)\n" -"c<Key>D:" "delete-next-character()\n" -"c<Key>E:" "end-of-line()\n" -"c<Key>F:" "forward-character()\n" -#ifndef OLDXAW -"c<Key>G:" "keyboard-reset()\n" -#else -"c<Key>G:" "multiply(Reset)\n" -#endif -"c<Key>H:" "delete-previous-character()\n" -"c<Key>J:" "newline-and-indent()\n" -"c<Key>K:" "kill-to-end-of-line()\n" -"c<Key>L:" "redraw-display()\n" -"c<Key>M:" "newline()\n" -"c<Key>N:" "next-line()\n" -"c<Key>O:" "newline-and-backup()\n" -"c<Key>P:" "previous-line()\n" -"c<Key>R:" "search(backward)\n" -"c<Key>S:" "search(forward)\n" -"c<Key>T:" "transpose-characters()\n" -#ifndef OLDXAW -"c<Key>U:" "multiply(Start)\n" -#else -"c<Key>U:" "multiply(4)\n" -#endif -"c<Key>V:" "next-page()\n" -"c<Key>W:" "kill-selection()\n" -"c<Key>Y:" "insert-selection(SECONDARY)\n" -"c<Key>Z:" "scroll-one-line-up()\n" -"m<Key>B:" "backward-word()\n" -"m<Key>C:" "capitalize-word()\n" -"m<Key>F:" "forward-word()\n" -"m<Key>I:" "insert-file()\n" -"m<Key>K:" "kill-to-end-of-paragraph()\n" -"m<Key>L:" "downcase-word()\n" -"m<Key>Q:" "form-paragraph()\n" -"m<Key>U:" "upcase-word()\n" -"m<Key>V:" "previous-page()\n" -#ifndef OLDXAW -"m<Key>Y:" "kill-ring-yank()\n" -#endif -"m<Key>Z:" "scroll-one-line-down()\n" -"~s m<Key>d:" "kill-word(alnum)\n" -"s m<Key>d:" "delete-next-word(alnum)\n" -"~s m<Key>h:" "backward-kill-word(alnum)\n" -"s m<Key>h:" "delete-previous-word(alnum)\n" -":m<Key>\\<:" "beginning-of-file()\n" -":m<Key>\\>:" "end-of-file()\n" -":m<Key>]:" "forward-paragraph()\n" -":m<Key>[:" "backward-paragraph()\n" -"~s m<Key>Delete:" "backward-kill-word(alnum)\n" -"s m<Key>Delete:" "delete-previous-word(alnum)\n" -"~s m<Key>BackSpace:" "backward-kill-word(alnum)\n" -"s m<Key>BackSpace:" "delete-previous-word(alnum)\n" -"c<Key>Left:" "backward-word(alnum)\n" -"c<Key>Right:" "forward-word(alnum)\n" -"c<Key>Up:" "backward-paragraph()\n" -"c<Key>Down:" "forward-paragraph()\n" -"<Key>Home:" "beginning-of-file()\n" -":<Key>KP_Home:" "beginning-of-file()\n" -"<Key>End:" "end-of-file()\n" -":<Key>KP_End:" "end-of-file()\n" -"<Key>Next:" "next-page()\n" -":<Key>KP_Next:" "next-page()\n" -"<Key>Prior:" "previous-page()\n" -":<Key>KP_Prior:" "previous-page()\n" -"<Key>Right:" "forward-character()\n" -":<Key>KP_Right:" "forward-character()\n" -"<Key>Left:" "backward-character()\n" -":<Key>KP_Left:" "backward-character()\n" -"<Key>Down:" "next-line()\n" -":<Key>KP_Down:" "next-line()\n" -"<Key>Up:" "previous-line()\n" -":<Key>KP_Up:" "previous-line()\n" -"<Key>Delete:" "delete()\n" -":<Key>KP_Delete:" "delete()\n" -"<Key>BackSpace:" "delete-previous-character()\n" -"<Key>Linefeed:" "newline-and-indent()\n" -"<Key>Return:" "newline()\n" -":<Key>KP_Enter:" "newline()\n" -"c<Key>backslash:" "reconnect-im()\n" -"<Key>Kanji:" "reconnect-im()\n" -#ifndef OLDXAW -":<Key>0:" "numeric(0)\n" -":<Key>1:" "numeric(1)\n" -":<Key>2:" "numeric(2)\n" -":<Key>3:" "numeric(3)\n" -":<Key>4:" "numeric(4)\n" -":<Key>5:" "numeric(5)\n" -":<Key>6:" "numeric(6)\n" -":<Key>7:" "numeric(7)\n" -":<Key>8:" "numeric(8)\n" -":<Key>9:" "numeric(9)\n" -":<Key>-:" "numeric(-)\n" -":c<Key>_:" "undo()\n" -#endif -"s <Key>Insert:" "insert-selection(PRIMARY, CUT_BUFFER0)\n" -"<Ctrl>Q,<Key>:" "insert-char()\n" -"<Key>:" "insert-char()\n" -"<Enter>:" "enter-window()\n" -"<Leave>:" "leave-window()\n" -"<FocusIn>:" "focus-in()\n" -"<FocusOut>:" "focus-out()\n" -"<Btn1Down>:" "select-start()\n" -"<Btn1Motion>:" "extend-adjust()\n" -"<Btn1Up>:" "extend-end(PRIMARY, CUT_BUFFER0)\n" -"<Btn2Down>:" "insert-selection(PRIMARY, CUT_BUFFER0)\n" -"<Btn3Down>:" "extend-start()\n" -"<Btn3Motion>:" "extend-adjust()\n" -"<Btn3Up>:" "extend-end(PRIMARY, CUT_BUFFER0)\n" -; +/*
+
+Copyright 1991, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/* INTERNATIONALIZATION:
+
+The OMRON R5 contrib added the following action to the old TextTr:
+
+ Ctrl<Key>backslash: reconnect-im()
+
+This is needed when the im is killed or otherwise becomes unreachable.
+This keystroke is evil (inconvenient, hard-to-remember, not obvious)
+so I am adding one more translation:
+
+ <Key>Kanji: reconnect-im()
+
+The Japanese user typically hits their Kanji key when they want to do
+input. This merely makes sure the input is connected.
+*/
+
+#include <X11/Xaw/Text.h>
+
+char _XawDefaultTextTranslations[] =
+"c<Key>A:" "beginning-of-line()\n"
+"c<Key>B:" "backward-character()\n"
+"c<Key>C:" "insert-selection(CUT_BUFFER0)\n"
+"c<Key>D:" "delete-next-character()\n"
+"c<Key>E:" "end-of-line()\n"
+"c<Key>F:" "forward-character()\n"
+#ifndef OLDXAW
+"c<Key>G:" "keyboard-reset()\n"
+#else
+"c<Key>G:" "multiply(Reset)\n"
+#endif
+"c<Key>H:" "delete-previous-character()\n"
+"c<Key>J:" "newline-and-indent()\n"
+"c<Key>K:" "kill-to-end-of-line()\n"
+"c<Key>L:" "redraw-display()\n"
+"c<Key>M:" "newline()\n"
+"c<Key>N:" "next-line()\n"
+"c<Key>O:" "newline-and-backup()\n"
+"c<Key>P:" "previous-line()\n"
+"c<Key>R:" "search(backward)\n"
+"c<Key>S:" "search(forward)\n"
+"c<Key>T:" "transpose-characters()\n"
+#ifndef OLDXAW
+"c<Key>U:" "multiply(Start)\n"
+#else
+"c<Key>U:" "multiply(4)\n"
+#endif
+"c<Key>V:" "next-page()\n"
+"c<Key>W:" "kill-selection()\n"
+"c<Key>Y:" "insert-selection(SECONDARY)\n"
+"c<Key>Z:" "scroll-one-line-up()\n"
+"m<Key>B:" "backward-word()\n"
+"m<Key>C:" "capitalize-word()\n"
+"m<Key>F:" "forward-word()\n"
+"m<Key>I:" "insert-file()\n"
+"m<Key>K:" "kill-to-end-of-paragraph()\n"
+"m<Key>L:" "downcase-word()\n"
+"m<Key>Q:" "form-paragraph()\n"
+"m<Key>U:" "upcase-word()\n"
+"m<Key>V:" "previous-page()\n"
+#ifndef OLDXAW
+"m<Key>Y:" "kill-ring-yank()\n"
+#endif
+"m<Key>Z:" "scroll-one-line-down()\n"
+"~s m<Key>d:" "kill-word(alnum)\n"
+"s m<Key>d:" "delete-next-word(alnum)\n"
+"~s m<Key>h:" "backward-kill-word(alnum)\n"
+"s m<Key>h:" "delete-previous-word(alnum)\n"
+":m<Key>\\<:" "beginning-of-file()\n"
+":m<Key>\\>:" "end-of-file()\n"
+":m<Key>]:" "forward-paragraph()\n"
+":m<Key>[:" "backward-paragraph()\n"
+"~s m<Key>Delete:" "backward-kill-word(alnum)\n"
+"s m<Key>Delete:" "delete-previous-word(alnum)\n"
+"~s m<Key>BackSpace:" "backward-kill-word(alnum)\n"
+"s m<Key>BackSpace:" "delete-previous-word(alnum)\n"
+"c<Key>Left:" "backward-word(alnum)\n"
+"c<Key>Right:" "forward-word(alnum)\n"
+"c<Key>Up:" "backward-paragraph()\n"
+"c<Key>Down:" "forward-paragraph()\n"
+"<Key>Home:" "beginning-of-file()\n"
+":<Key>KP_Home:" "beginning-of-file()\n"
+"<Key>End:" "end-of-file()\n"
+":<Key>KP_End:" "end-of-file()\n"
+"<Key>Next:" "next-page()\n"
+":<Key>KP_Next:" "next-page()\n"
+"<Key>Prior:" "previous-page()\n"
+":<Key>KP_Prior:" "previous-page()\n"
+"<Key>Right:" "forward-character()\n"
+":<Key>KP_Right:" "forward-character()\n"
+"<Key>Left:" "backward-character()\n"
+":<Key>KP_Left:" "backward-character()\n"
+"<Key>Down:" "next-line()\n"
+":<Key>KP_Down:" "next-line()\n"
+"<Key>Up:" "previous-line()\n"
+":<Key>KP_Up:" "previous-line()\n"
+"<Key>Delete:" "delete()\n"
+":<Key>KP_Delete:" "delete()\n"
+"<Key>BackSpace:" "delete-previous-character()\n"
+"<Key>Linefeed:" "newline-and-indent()\n"
+"<Key>Return:" "newline()\n"
+":<Key>KP_Enter:" "newline()\n"
+"c<Key>backslash:" "reconnect-im()\n"
+"<Key>Kanji:" "reconnect-im()\n"
+#ifndef OLDXAW
+":<Key>0:" "numeric(0)\n"
+":<Key>1:" "numeric(1)\n"
+":<Key>2:" "numeric(2)\n"
+":<Key>3:" "numeric(3)\n"
+":<Key>4:" "numeric(4)\n"
+":<Key>5:" "numeric(5)\n"
+":<Key>6:" "numeric(6)\n"
+":<Key>7:" "numeric(7)\n"
+":<Key>8:" "numeric(8)\n"
+":<Key>9:" "numeric(9)\n"
+":<Key>-:" "numeric(-)\n"
+":c<Key>_:" "undo()\n"
+#endif
+"s <Key>Insert:" "insert-selection(PRIMARY, CUT_BUFFER0)\n"
+"<Ctrl>Q,<Key>:" "insert-char()\n"
+"<Key>:" "insert-char()\n"
+"<Enter>:" "enter-window()\n"
+"<Leave>:" "leave-window()\n"
+"<FocusIn>:" "focus-in()\n"
+"<FocusOut>:" "focus-out()\n"
+"<Btn1Down>:" "select-start()\n"
+"<Btn1Motion>:" "extend-adjust()\n"
+"<Btn1Up>:" "extend-end(PRIMARY, CUT_BUFFER0)\n"
+"<Btn2Down>:" "insert-selection(PRIMARY, CUT_BUFFER0)\n"
+"<Btn3Down>:" "extend-start()\n"
+"<Btn3Motion>:" "extend-adjust()\n"
+"<Btn3Up>:" "extend-end(PRIMARY, CUT_BUFFER0)\n"
+;
diff --git a/libXaw/src/Tip.c b/libXaw/src/Tip.c index 9f8b32ad3..bca994ca5 100644 --- a/libXaw/src/Tip.c +++ b/libXaw/src/Tip.c @@ -1,637 +1,637 @@ -/* - * Copyright (c) 1999 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the XFree86 Project shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization from the - * XFree86 Project. - * - * Author: Paulo César Pereira de Andrade - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xaw/TipP.h> -#include <X11/Xaw/XawInit.h> -#include <X11/Xmu/Converters.h> -#include "Private.h" - -#define TIP_EVENT_MASK (ButtonPressMask | \ - ButtonReleaseMask | \ - PointerMotionMask | \ - ButtonMotionMask | \ - KeyPressMask | \ - KeyReleaseMask | \ - EnterWindowMask | \ - LeaveWindowMask) - -/* - * Types - */ -typedef struct _XawTipInfo { - Screen *screen; - TipWidget tip; - Widget widget; - Bool mapped; - struct _XawTipInfo *next; -} XawTipInfo; - -/* - * Class Methods - */ -static void XawTipClassInitialize(void); -static void XawTipInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawTipDestroy(Widget); -static void XawTipExpose(Widget, XEvent*, Region); -static void XawTipRealize(Widget, Mask*, XSetWindowAttributes*); -static Boolean XawTipSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static void TipEventHandler(Widget, XtPointer, XEvent*, Boolean*); -static void TipShellEventHandler(Widget, XtPointer, XEvent*, Boolean*); -static XawTipInfo *CreateTipInfo(Widget); -static XawTipInfo *FindTipInfo(Widget); -static void ResetTip(XawTipInfo*, Bool); -static void TipTimeoutCallback(XtPointer, XtIntervalId*); -static void TipLayout(XawTipInfo*); -static void TipPosition(XawTipInfo*); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(TipRec, tip.field) -static XtResource resources[] = { - { - XtNforeground, - XtCForeground, - XtRPixel, - sizeof(Pixel), - offset(foreground), - XtRString, - XtDefaultForeground, - }, - { - XtNfont, - XtCFont, - XtRFontStruct, - sizeof(XFontStruct*), - offset(font), - XtRString, - XtDefaultFont - }, - { - XtNfontSet, - XtCFontSet, - XtRFontSet, - sizeof(XFontSet), - offset(fontset), - XtRString, - XtDefaultFontSet - }, - { - XtNtopMargin, - XtCVerticalMargins, - XtRDimension, - sizeof(Dimension), - offset(top_margin), - XtRImmediate, - (XtPointer)2 - }, - { - XtNbottomMargin, - XtCVerticalMargins, - XtRDimension, - sizeof(Dimension), - offset(bottom_margin), - XtRImmediate, - (XtPointer)2 - }, - { - XtNleftMargin, - XtCHorizontalMargins, - XtRDimension, - sizeof(Dimension), - offset(left_margin), - XtRImmediate, - (XtPointer)6 - }, - { - XtNrightMargin, - XtCHorizontalMargins, - XtRDimension, - sizeof(Dimension), - offset(right_margin), - XtRImmediate, - (XtPointer)6 - }, - { - XtNbackingStore, - XtCBackingStore, - XtRBackingStore, - sizeof(int), - offset(backing_store), - XtRImmediate, - (XtPointer)(Always + WhenMapped + NotUseful) - }, - { - XtNtimeout, - XtCTimeout, - XtRInt, - sizeof(int), - offset(timeout), - XtRImmediate, - (XtPointer)500 - }, - { - XawNdisplayList, - XawCDisplayList, - XawRDisplayList, - sizeof(XawDisplayList*), - offset(display_list), - XtRImmediate, - NULL - }, -}; -#undef offset - -TipClassRec tipClassRec = { - /* core */ - { - (WidgetClass)&widgetClassRec, /* superclass */ - "Tip", /* class_name */ - sizeof(TipRec), /* widget_size */ - XawTipClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawTipInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawTipRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawTipDestroy, /* destroy */ - NULL, /* resize */ - XawTipExpose, /* expose */ - XawTipSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* tip */ - { - NULL, /* extension */ - }, -}; - -WidgetClass tipWidgetClass = (WidgetClass)&tipClassRec; - -static XawTipInfo *first_tip; - -/* - * Implementation - */ -static void -XawTipClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtRBackingStore, XmuCvtStringToBackingStore, - NULL, 0); - XtSetTypeConverter(XtRBackingStore, XtRString, XmuCvtBackingStoreToString, - NULL, 0, XtCacheNone, NULL); -} - -/*ARGSUSED*/ -static void -XawTipInitialize(Widget req, Widget w, ArgList args, Cardinal *num_args) -{ - TipWidget tip = (TipWidget)w; - XGCValues values; - - if (!tip->tip.font) XtError("Aborting: no font found\n"); - if (tip->tip.international && !tip->tip.fontset) - XtError("Aborting: no fontset found\n"); - - tip->tip.timer = 0; - - values.foreground = tip->tip.foreground; - values.background = tip->core.background_pixel; - values.font = tip->tip.font->fid; - values.graphics_exposures = False; - - tip->tip.gc = XtAllocateGC(w, 0, GCForeground | GCBackground | GCFont | - GCGraphicsExposures, &values, GCFont, 0); -} - -static void -XawTipDestroy(Widget w) -{ - XawTipInfo *info = FindTipInfo(w); - TipWidget tip = (TipWidget)w; - - if (tip->tip.timer) - XtRemoveTimeOut(tip->tip.timer); - - XtReleaseGC(w, tip->tip.gc); - - XtRemoveEventHandler(XtParent(w), KeyPressMask, False, TipShellEventHandler, - (XtPointer)NULL); - if (info == first_tip) - first_tip = first_tip->next; - else { - XawTipInfo *p = first_tip; - - while (p && p->next != info) - p = p->next; - if (p) - p->next = info->next; - } - XtFree((char*)info); -} - -static void -XawTipRealize(Widget w, Mask *mask, XSetWindowAttributes *attr) -{ - TipWidget tip = (TipWidget)w; - - if (tip->tip.backing_store == Always || - tip->tip.backing_store == NotUseful || - tip->tip.backing_store == WhenMapped) { - *mask |= CWBackingStore; - attr->backing_store = tip->tip.backing_store; - } - else - *mask &= ~CWBackingStore; - *mask |= CWOverrideRedirect; - attr->override_redirect = True; - - XtWindow(w) = XCreateWindow(DisplayOfScreen(XtScreen(w)), - RootWindowOfScreen(XtScreen(w)), - XtX(w), XtY(w), - XtWidth(w) ? XtWidth(w) : 1, - XtHeight(w) ? XtHeight(w) : 1, - XtBorderWidth(w), - DefaultDepthOfScreen(XtScreen(w)), - InputOutput, - (Visual *)CopyFromParent, - *mask, attr); -} - -static void -XawTipExpose(Widget w, XEvent *event, Region region) -{ - TipWidget tip = (TipWidget)w; - GC gc = tip->tip.gc; - char *nl, *label = tip->tip.label; - Position y = tip->tip.top_margin + tip->tip.font->max_bounds.ascent; - int len; - - if (tip->tip.display_list) - XawRunDisplayList(w, tip->tip.display_list, event, region); - - if (tip->tip.international == True) { - Position ksy = tip->tip.top_margin; - XFontSetExtents *ext = XExtentsOfFontSet(tip->tip.fontset); - - ksy += XawAbs(ext->max_ink_extent.y); - - while ((nl = index(label, '\n')) != NULL) { - XmbDrawString(XtDisplay(w), XtWindow(w), tip->tip.fontset, - gc, tip->tip.left_margin, ksy, label, - (int)(nl - label)); - ksy += ext->max_ink_extent.height; - label = nl + 1; - } - len = strlen(label); - if (len) - XmbDrawString(XtDisplay(w), XtWindow(w), tip->tip.fontset, gc, - tip->tip.left_margin, ksy, label, len); - } - else { - while ((nl = index(label, '\n')) != NULL) { - if (tip->tip.encoding) - XDrawString16(XtDisplay(w), XtWindow(w), gc, - tip->tip.left_margin, y, - (XChar2b*)label, (int)(nl - label) >> 1); - else - XDrawString(XtDisplay(w), XtWindow(w), gc, - tip->tip.left_margin, y, label, (int)(nl - label)); - y += tip->tip.font->max_bounds.ascent + - tip->tip.font->max_bounds.descent; - label = nl + 1; - } - len = strlen(label); - if (len) { - if (tip->tip.encoding) - XDrawString16(XtDisplay(w), XtWindow(w), gc, - tip->tip.left_margin, y, (XChar2b*)label, len >> 1); - else - XDrawString(XtDisplay(w), XtWindow(w), gc, - tip->tip.left_margin, y, label, len); - } - } -} - -/*ARGSUSED*/ -static Boolean -XawTipSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TipWidget curtip = (TipWidget)current; - TipWidget newtip = (TipWidget)cnew; - Boolean redisplay = False; - - if (curtip->tip.font->fid != newtip->tip.font->fid || - curtip->tip.foreground != newtip->tip.foreground) { - XGCValues values; - - values.foreground = newtip->tip.foreground; - values.background = newtip->core.background_pixel; - values.font = newtip->tip.font->fid; - values.graphics_exposures = False; - XtReleaseGC(cnew, curtip->tip.gc); - newtip->tip.gc = XtAllocateGC(cnew, 0, GCForeground | GCBackground | - GCFont | GCGraphicsExposures, &values, - GCFont, 0); - redisplay = True; - } - if (curtip->tip.display_list != newtip->tip.display_list) - redisplay = True; - - return (redisplay); -} - -static void -TipLayout(XawTipInfo *info) -{ - XFontStruct *fs = info->tip->tip.font; - int width = 0, height; - char *nl, *label = info->tip->tip.label; - - if (info->tip->tip.international == True) { - XFontSet fset = info->tip->tip.fontset; - XFontSetExtents *ext = XExtentsOfFontSet(fset); - - height = ext->max_ink_extent.height; - if ((nl = index(label, '\n')) != NULL) { - /*CONSTCOND*/ - while (True) { - int w = XmbTextEscapement(fset, label, (int)(nl - label)); - - if (w > width) - width = w; - if (*nl == '\0') - break; - label = nl + 1; - if (*label) - height += ext->max_ink_extent.height; - if ((nl = index(label, '\n')) == NULL) - nl = index(label, '\0'); - } - } - else - width = XmbTextEscapement(fset, label, strlen(label)); - } - else { - height = fs->max_bounds.ascent + fs->max_bounds.descent; - if ((nl = index(label, '\n')) != NULL) { - /*CONSTCOND*/ - while (True) { - int w = info->tip->tip.encoding ? - XTextWidth16(fs, (XChar2b*)label, (int)(nl - label) >> 1) : - XTextWidth(fs, label, (int)(nl - label)); - if (w > width) - width = w; - if (*nl == '\0') - break; - label = nl + 1; - if (*label) - height += fs->max_bounds.ascent + fs->max_bounds.descent; - if ((nl = index(label, '\n')) == NULL) - nl = index(label, '\0'); - } - } - else - width = info->tip->tip.encoding ? - XTextWidth16(fs, (XChar2b*)label, strlen(label) >> 1) : - XTextWidth(fs, label, strlen(label)); - } - XtWidth(info->tip) = width + info->tip->tip.left_margin + - info->tip->tip.right_margin; - XtHeight(info->tip) = height + info->tip->tip.top_margin + - info->tip->tip.bottom_margin; -} - -#define DEFAULT_TIP_Y_OFFSET 12 -static void -TipPosition(XawTipInfo *info) -{ - Window r, c; - int rx, ry, wx, wy; - unsigned mask; - Position x, y; - - XQueryPointer(XtDisplay((Widget)info->tip), XtWindow((Widget)info->tip), - &r, &c, &rx, &ry, &wx, &wy, &mask); - x = rx - (XtWidth(info->tip) >> 1); - y = ry + DEFAULT_TIP_Y_OFFSET; - - if (x >= 0) { - int scr_width = WidthOfScreen(XtScreen(info->tip)); - - if (x + XtWidth(info->tip) + XtBorderWidth(info->tip) > scr_width) - x = scr_width - XtWidth(info->tip) - XtBorderWidth(info->tip); - } - if (x < 0) - x = 0; - if (y >= 0) { - int scr_height = HeightOfScreen(XtScreen(info->tip)); - - if (y + XtHeight(info->tip) + XtBorderWidth(info->tip) > scr_height) - y -= XtHeight(info->tip) + XtBorderWidth(info->tip) + - (DEFAULT_TIP_Y_OFFSET << 1); - } - if (y < 0) - y = 0; - - XMoveResizeWindow(XtDisplay(info->tip), XtWindow(info->tip), - (int)(XtX(info->tip) = x), (int)(XtY(info->tip) = y), - (unsigned)XtWidth(info->tip), (unsigned)XtHeight(info->tip)); -} - -static XawTipInfo * -CreateTipInfo(Widget w) -{ - XawTipInfo *info = XtNew(XawTipInfo); - Widget shell = w; - - info->screen = XtScreen(w); - - while (XtParent(shell)) - shell = XtParent(shell); - - info->tip = (TipWidget)XtCreateWidget("tip", tipWidgetClass, shell, NULL, 0); - XtRealizeWidget((Widget)info->tip); - info->widget = NULL; - info->mapped = False; - info->next = NULL; - XtAddEventHandler(shell, KeyPressMask, False, TipShellEventHandler, - (XtPointer)NULL); - - return (info); -} - -static XawTipInfo * -FindTipInfo(Widget w) -{ - XawTipInfo *ptip, *tip = first_tip; - Screen *screen = XtScreenOfObject(w); - - if (tip == NULL) - return (first_tip = tip = CreateTipInfo(w)); - - for (ptip = tip; tip; ptip = tip, tip = tip->next) - if (tip->screen == screen) - return (tip); - - return (ptip->next = CreateTipInfo(w)); -} - -static void -ResetTip(XawTipInfo *info, Bool add_timeout) -{ - if (info->tip->tip.timer) { - XtRemoveTimeOut(info->tip->tip.timer); - info->tip->tip.timer = 0; - } - if (info->mapped) { - XtRemoveGrab(XtParent((Widget)info->tip)); - XUnmapWindow(XtDisplay((Widget)info->tip), XtWindow((Widget)info->tip)); - info->mapped = False; - } - if (add_timeout) { - info->tip->tip.timer = - XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)info->tip), - info->tip->tip.timeout, TipTimeoutCallback, - (XtPointer)info); - } -} - -static void -TipTimeoutCallback(XtPointer closure, XtIntervalId *id) -{ - XawTipInfo *info = (XawTipInfo*)closure; - Arg args[3]; - - info->tip->tip.label = NULL; - info->tip->tip.international = False; - info->tip->tip.encoding = 0; - info->tip->tip.timer = 0; - XtSetArg(args[0], XtNtip, &info->tip->tip.label); - XtSetArg(args[1], XtNinternational, &info->tip->tip.international); - XtSetArg(args[2], XtNencoding, &info->tip->tip.encoding); - XtGetValues(info->widget, args, 3); - - if (info->tip->tip.label) { - TipLayout(info); - TipPosition(info); - XMapRaised(XtDisplay((Widget)info->tip), XtWindow((Widget)info->tip)); - XtAddGrab(XtParent((Widget)info->tip), True, True); - info->mapped = True; - } -} - -/*ARGSUSED*/ -static void -TipShellEventHandler(Widget w, XtPointer client_data, XEvent *event, - Boolean *continue_to_dispatch) -{ - ResetTip(FindTipInfo(w), False); -} - -/*ARGSUSED*/ -static void -TipEventHandler(Widget w, XtPointer client_data, XEvent *event, - Boolean *continue_to_dispatch) -{ - XawTipInfo *info = FindTipInfo(w); - Boolean add_timeout; - - if (info->widget != w) { - ResetTip(info, False); - info->widget = w; - } - - switch (event->type) { - case EnterNotify: - add_timeout = True; - break; - case MotionNotify: - /* If any button is pressed, timer is 0 */ - if (info->mapped) - return; - add_timeout = info->tip->tip.timer != 0; - break; - default: - add_timeout = False; - break; - } - ResetTip(info, add_timeout); -} - -/* - * Public routines - */ -void -XawTipEnable(Widget w) -{ - XtAddEventHandler(w, TIP_EVENT_MASK, False, TipEventHandler, - (XtPointer)NULL); -} - -void -XawTipDisable(Widget w) -{ - XawTipInfo *info = FindTipInfo(w); - - XtRemoveEventHandler(w, TIP_EVENT_MASK, False, TipEventHandler, - (XtPointer)NULL); - if (info->widget == w) - ResetTip(info, False); -} +/*
+ * Copyright (c) 1999 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ *
+ * Author: Paulo César Pereira de Andrade
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xaw/TipP.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/Xmu/Converters.h>
+#include "Private.h"
+
+#define TIP_EVENT_MASK (ButtonPressMask | \
+ ButtonReleaseMask | \
+ PointerMotionMask | \
+ ButtonMotionMask | \
+ KeyPressMask | \
+ KeyReleaseMask | \
+ EnterWindowMask | \
+ LeaveWindowMask)
+
+/*
+ * Types
+ */
+typedef struct _XawTipInfo {
+ Screen *screen;
+ TipWidget tip;
+ Widget widget;
+ Bool mapped;
+ struct _XawTipInfo *next;
+} XawTipInfo;
+
+/*
+ * Class Methods
+ */
+static void XawTipClassInitialize(void);
+static void XawTipInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawTipDestroy(Widget);
+static void XawTipExpose(Widget, XEvent*, Region);
+static void XawTipRealize(Widget, Mask*, XSetWindowAttributes*);
+static Boolean XawTipSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void TipEventHandler(Widget, XtPointer, XEvent*, Boolean*);
+static void TipShellEventHandler(Widget, XtPointer, XEvent*, Boolean*);
+static XawTipInfo *CreateTipInfo(Widget);
+static XawTipInfo *FindTipInfo(Widget);
+static void ResetTip(XawTipInfo*, Bool);
+static void TipTimeoutCallback(XtPointer, XtIntervalId*);
+static void TipLayout(XawTipInfo*);
+static void TipPosition(XawTipInfo*);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(TipRec, tip.field)
+static XtResource resources[] = {
+ {
+ XtNforeground,
+ XtCForeground,
+ XtRPixel,
+ sizeof(Pixel),
+ offset(foreground),
+ XtRString,
+ XtDefaultForeground,
+ },
+ {
+ XtNfont,
+ XtCFont,
+ XtRFontStruct,
+ sizeof(XFontStruct*),
+ offset(font),
+ XtRString,
+ XtDefaultFont
+ },
+ {
+ XtNfontSet,
+ XtCFontSet,
+ XtRFontSet,
+ sizeof(XFontSet),
+ offset(fontset),
+ XtRString,
+ XtDefaultFontSet
+ },
+ {
+ XtNtopMargin,
+ XtCVerticalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(top_margin),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNbottomMargin,
+ XtCVerticalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(bottom_margin),
+ XtRImmediate,
+ (XtPointer)2
+ },
+ {
+ XtNleftMargin,
+ XtCHorizontalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(left_margin),
+ XtRImmediate,
+ (XtPointer)6
+ },
+ {
+ XtNrightMargin,
+ XtCHorizontalMargins,
+ XtRDimension,
+ sizeof(Dimension),
+ offset(right_margin),
+ XtRImmediate,
+ (XtPointer)6
+ },
+ {
+ XtNbackingStore,
+ XtCBackingStore,
+ XtRBackingStore,
+ sizeof(int),
+ offset(backing_store),
+ XtRImmediate,
+ (XtPointer)(Always + WhenMapped + NotUseful)
+ },
+ {
+ XtNtimeout,
+ XtCTimeout,
+ XtRInt,
+ sizeof(int),
+ offset(timeout),
+ XtRImmediate,
+ (XtPointer)500
+ },
+ {
+ XawNdisplayList,
+ XawCDisplayList,
+ XawRDisplayList,
+ sizeof(XawDisplayList*),
+ offset(display_list),
+ XtRImmediate,
+ NULL
+ },
+};
+#undef offset
+
+TipClassRec tipClassRec = {
+ /* core */
+ {
+ (WidgetClass)&widgetClassRec, /* superclass */
+ "Tip", /* class_name */
+ sizeof(TipRec), /* widget_size */
+ XawTipClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawTipInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawTipRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawTipDestroy, /* destroy */
+ NULL, /* resize */
+ XawTipExpose, /* expose */
+ XawTipSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* tip */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass tipWidgetClass = (WidgetClass)&tipClassRec;
+
+static XawTipInfo *first_tip;
+
+/*
+ * Implementation
+ */
+static void
+XawTipClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtRBackingStore, XmuCvtStringToBackingStore,
+ NULL, 0);
+ XtSetTypeConverter(XtRBackingStore, XtRString, XmuCvtBackingStoreToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+/*ARGSUSED*/
+static void
+XawTipInitialize(Widget req, Widget w, ArgList args, Cardinal *num_args)
+{
+ TipWidget tip = (TipWidget)w;
+ XGCValues values;
+
+ if (!tip->tip.font) XtError("Aborting: no font found\n");
+ if (tip->tip.international && !tip->tip.fontset)
+ XtError("Aborting: no fontset found\n");
+
+ tip->tip.timer = 0;
+
+ values.foreground = tip->tip.foreground;
+ values.background = tip->core.background_pixel;
+ values.font = tip->tip.font->fid;
+ values.graphics_exposures = False;
+
+ tip->tip.gc = XtAllocateGC(w, 0, GCForeground | GCBackground | GCFont |
+ GCGraphicsExposures, &values, GCFont, 0);
+}
+
+static void
+XawTipDestroy(Widget w)
+{
+ XawTipInfo *info = FindTipInfo(w);
+ TipWidget tip = (TipWidget)w;
+
+ if (tip->tip.timer)
+ XtRemoveTimeOut(tip->tip.timer);
+
+ XtReleaseGC(w, tip->tip.gc);
+
+ XtRemoveEventHandler(XtParent(w), KeyPressMask, False, TipShellEventHandler,
+ (XtPointer)NULL);
+ if (info == first_tip)
+ first_tip = first_tip->next;
+ else {
+ XawTipInfo *p = first_tip;
+
+ while (p && p->next != info)
+ p = p->next;
+ if (p)
+ p->next = info->next;
+ }
+ XtFree((char*)info);
+}
+
+static void
+XawTipRealize(Widget w, Mask *mask, XSetWindowAttributes *attr)
+{
+ TipWidget tip = (TipWidget)w;
+
+ if (tip->tip.backing_store == Always ||
+ tip->tip.backing_store == NotUseful ||
+ tip->tip.backing_store == WhenMapped) {
+ *mask |= CWBackingStore;
+ attr->backing_store = tip->tip.backing_store;
+ }
+ else
+ *mask &= ~CWBackingStore;
+ *mask |= CWOverrideRedirect;
+ attr->override_redirect = True;
+
+ XtWindow(w) = XCreateWindow(DisplayOfScreen(XtScreen(w)),
+ RootWindowOfScreen(XtScreen(w)),
+ XtX(w), XtY(w),
+ XtWidth(w) ? XtWidth(w) : 1,
+ XtHeight(w) ? XtHeight(w) : 1,
+ XtBorderWidth(w),
+ DefaultDepthOfScreen(XtScreen(w)),
+ InputOutput,
+ (Visual *)CopyFromParent,
+ *mask, attr);
+}
+
+static void
+XawTipExpose(Widget w, XEvent *event, Region region)
+{
+ TipWidget tip = (TipWidget)w;
+ GC gc = tip->tip.gc;
+ char *nl, *label = tip->tip.label;
+ Position y = tip->tip.top_margin + tip->tip.font->max_bounds.ascent;
+ int len;
+
+ if (tip->tip.display_list)
+ XawRunDisplayList(w, tip->tip.display_list, event, region);
+
+ if (tip->tip.international == True) {
+ Position ksy = tip->tip.top_margin;
+ XFontSetExtents *ext = XExtentsOfFontSet(tip->tip.fontset);
+
+ ksy += XawAbs(ext->max_ink_extent.y);
+
+ while ((nl = index(label, '\n')) != NULL) {
+ XmbDrawString(XtDisplay(w), XtWindow(w), tip->tip.fontset,
+ gc, tip->tip.left_margin, ksy, label,
+ (int)(nl - label));
+ ksy += ext->max_ink_extent.height;
+ label = nl + 1;
+ }
+ len = strlen(label);
+ if (len)
+ XmbDrawString(XtDisplay(w), XtWindow(w), tip->tip.fontset, gc,
+ tip->tip.left_margin, ksy, label, len);
+ }
+ else {
+ while ((nl = index(label, '\n')) != NULL) {
+ if (tip->tip.encoding)
+ XDrawString16(XtDisplay(w), XtWindow(w), gc,
+ tip->tip.left_margin, y,
+ (XChar2b*)label, (int)(nl - label) >> 1);
+ else
+ XDrawString(XtDisplay(w), XtWindow(w), gc,
+ tip->tip.left_margin, y, label, (int)(nl - label));
+ y += tip->tip.font->max_bounds.ascent +
+ tip->tip.font->max_bounds.descent;
+ label = nl + 1;
+ }
+ len = strlen(label);
+ if (len) {
+ if (tip->tip.encoding)
+ XDrawString16(XtDisplay(w), XtWindow(w), gc,
+ tip->tip.left_margin, y, (XChar2b*)label, len >> 1);
+ else
+ XDrawString(XtDisplay(w), XtWindow(w), gc,
+ tip->tip.left_margin, y, label, len);
+ }
+ }
+}
+
+/*ARGSUSED*/
+static Boolean
+XawTipSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TipWidget curtip = (TipWidget)current;
+ TipWidget newtip = (TipWidget)cnew;
+ Boolean redisplay = False;
+
+ if (curtip->tip.font->fid != newtip->tip.font->fid ||
+ curtip->tip.foreground != newtip->tip.foreground) {
+ XGCValues values;
+
+ values.foreground = newtip->tip.foreground;
+ values.background = newtip->core.background_pixel;
+ values.font = newtip->tip.font->fid;
+ values.graphics_exposures = False;
+ XtReleaseGC(cnew, curtip->tip.gc);
+ newtip->tip.gc = XtAllocateGC(cnew, 0, GCForeground | GCBackground |
+ GCFont | GCGraphicsExposures, &values,
+ GCFont, 0);
+ redisplay = True;
+ }
+ if (curtip->tip.display_list != newtip->tip.display_list)
+ redisplay = True;
+
+ return (redisplay);
+}
+
+static void
+TipLayout(XawTipInfo *info)
+{
+ XFontStruct *fs = info->tip->tip.font;
+ int width = 0, height;
+ char *nl, *label = info->tip->tip.label;
+
+ if (info->tip->tip.international == True) {
+ XFontSet fset = info->tip->tip.fontset;
+ XFontSetExtents *ext = XExtentsOfFontSet(fset);
+
+ height = ext->max_ink_extent.height;
+ if ((nl = index(label, '\n')) != NULL) {
+ /*CONSTCOND*/
+ while (True) {
+ int w = XmbTextEscapement(fset, label, (int)(nl - label));
+
+ if (w > width)
+ width = w;
+ if (*nl == '\0')
+ break;
+ label = nl + 1;
+ if (*label)
+ height += ext->max_ink_extent.height;
+ if ((nl = index(label, '\n')) == NULL)
+ nl = index(label, '\0');
+ }
+ }
+ else
+ width = XmbTextEscapement(fset, label, strlen(label));
+ }
+ else {
+ height = fs->max_bounds.ascent + fs->max_bounds.descent;
+ if ((nl = index(label, '\n')) != NULL) {
+ /*CONSTCOND*/
+ while (True) {
+ int w = info->tip->tip.encoding ?
+ XTextWidth16(fs, (XChar2b*)label, (int)(nl - label) >> 1) :
+ XTextWidth(fs, label, (int)(nl - label));
+ if (w > width)
+ width = w;
+ if (*nl == '\0')
+ break;
+ label = nl + 1;
+ if (*label)
+ height += fs->max_bounds.ascent + fs->max_bounds.descent;
+ if ((nl = index(label, '\n')) == NULL)
+ nl = index(label, '\0');
+ }
+ }
+ else
+ width = info->tip->tip.encoding ?
+ XTextWidth16(fs, (XChar2b*)label, strlen(label) >> 1) :
+ XTextWidth(fs, label, strlen(label));
+ }
+ XtWidth(info->tip) = width + info->tip->tip.left_margin +
+ info->tip->tip.right_margin;
+ XtHeight(info->tip) = height + info->tip->tip.top_margin +
+ info->tip->tip.bottom_margin;
+}
+
+#define DEFAULT_TIP_Y_OFFSET 12
+static void
+TipPosition(XawTipInfo *info)
+{
+ Window r, c;
+ int rx, ry, wx, wy;
+ unsigned mask;
+ Position x, y;
+
+ XQueryPointer(XtDisplay((Widget)info->tip), XtWindow((Widget)info->tip),
+ &r, &c, &rx, &ry, &wx, &wy, &mask);
+ x = rx - (XtWidth(info->tip) >> 1);
+ y = ry + DEFAULT_TIP_Y_OFFSET;
+
+ if (x >= 0) {
+ int scr_width = WidthOfScreen(XtScreen(info->tip));
+
+ if (x + XtWidth(info->tip) + XtBorderWidth(info->tip) > scr_width)
+ x = scr_width - XtWidth(info->tip) - XtBorderWidth(info->tip);
+ }
+ if (x < 0)
+ x = 0;
+ if (y >= 0) {
+ int scr_height = HeightOfScreen(XtScreen(info->tip));
+
+ if (y + XtHeight(info->tip) + XtBorderWidth(info->tip) > scr_height)
+ y -= XtHeight(info->tip) + XtBorderWidth(info->tip) +
+ (DEFAULT_TIP_Y_OFFSET << 1);
+ }
+ if (y < 0)
+ y = 0;
+
+ XMoveResizeWindow(XtDisplay(info->tip), XtWindow(info->tip),
+ (int)(XtX(info->tip) = x), (int)(XtY(info->tip) = y),
+ (unsigned)XtWidth(info->tip), (unsigned)XtHeight(info->tip));
+}
+
+static XawTipInfo *
+CreateTipInfo(Widget w)
+{
+ XawTipInfo *info = XtNew(XawTipInfo);
+ Widget shell = w;
+
+ info->screen = XtScreen(w);
+
+ while (XtParent(shell))
+ shell = XtParent(shell);
+
+ info->tip = (TipWidget)XtCreateWidget("tip", tipWidgetClass, shell, NULL, 0);
+ XtRealizeWidget((Widget)info->tip);
+ info->widget = NULL;
+ info->mapped = False;
+ info->next = NULL;
+ XtAddEventHandler(shell, KeyPressMask, False, TipShellEventHandler,
+ (XtPointer)NULL);
+
+ return (info);
+}
+
+static XawTipInfo *
+FindTipInfo(Widget w)
+{
+ XawTipInfo *ptip, *tip = first_tip;
+ Screen *screen = XtScreenOfObject(w);
+
+ if (tip == NULL)
+ return (first_tip = tip = CreateTipInfo(w));
+
+ for (ptip = tip; tip; ptip = tip, tip = tip->next)
+ if (tip->screen == screen)
+ return (tip);
+
+ return (ptip->next = CreateTipInfo(w));
+}
+
+static void
+ResetTip(XawTipInfo *info, Bool add_timeout)
+{
+ if (info->tip->tip.timer) {
+ XtRemoveTimeOut(info->tip->tip.timer);
+ info->tip->tip.timer = 0;
+ }
+ if (info->mapped) {
+ XtRemoveGrab(XtParent((Widget)info->tip));
+ XUnmapWindow(XtDisplay((Widget)info->tip), XtWindow((Widget)info->tip));
+ info->mapped = False;
+ }
+ if (add_timeout) {
+ info->tip->tip.timer =
+ XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)info->tip),
+ info->tip->tip.timeout, TipTimeoutCallback,
+ (XtPointer)info);
+ }
+}
+
+static void
+TipTimeoutCallback(XtPointer closure, XtIntervalId *id)
+{
+ XawTipInfo *info = (XawTipInfo*)closure;
+ Arg args[3];
+
+ info->tip->tip.label = NULL;
+ info->tip->tip.international = False;
+ info->tip->tip.encoding = 0;
+ info->tip->tip.timer = 0;
+ XtSetArg(args[0], XtNtip, &info->tip->tip.label);
+ XtSetArg(args[1], XtNinternational, &info->tip->tip.international);
+ XtSetArg(args[2], XtNencoding, &info->tip->tip.encoding);
+ XtGetValues(info->widget, args, 3);
+
+ if (info->tip->tip.label) {
+ TipLayout(info);
+ TipPosition(info);
+ XMapRaised(XtDisplay((Widget)info->tip), XtWindow((Widget)info->tip));
+ XtAddGrab(XtParent((Widget)info->tip), True, True);
+ info->mapped = True;
+ }
+}
+
+/*ARGSUSED*/
+static void
+TipShellEventHandler(Widget w, XtPointer client_data, XEvent *event,
+ Boolean *continue_to_dispatch)
+{
+ ResetTip(FindTipInfo(w), False);
+}
+
+/*ARGSUSED*/
+static void
+TipEventHandler(Widget w, XtPointer client_data, XEvent *event,
+ Boolean *continue_to_dispatch)
+{
+ XawTipInfo *info = FindTipInfo(w);
+ Boolean add_timeout;
+
+ if (info->widget != w) {
+ ResetTip(info, False);
+ info->widget = w;
+ }
+
+ switch (event->type) {
+ case EnterNotify:
+ add_timeout = True;
+ break;
+ case MotionNotify:
+ /* If any button is pressed, timer is 0 */
+ if (info->mapped)
+ return;
+ add_timeout = info->tip->tip.timer != 0;
+ break;
+ default:
+ add_timeout = False;
+ break;
+ }
+ ResetTip(info, add_timeout);
+}
+
+/*
+ * Public routines
+ */
+void
+XawTipEnable(Widget w)
+{
+ XtAddEventHandler(w, TIP_EVENT_MASK, False, TipEventHandler,
+ (XtPointer)NULL);
+}
+
+void
+XawTipDisable(Widget w)
+{
+ XawTipInfo *info = FindTipInfo(w);
+
+ XtRemoveEventHandler(w, TIP_EVENT_MASK, False, TipEventHandler,
+ (XtPointer)NULL);
+ if (info->widget == w)
+ ResetTip(info, False);
+}
diff --git a/libXaw/src/Toggle.c b/libXaw/src/Toggle.c index 1b9afadf9..cd288c5a2 100644 --- a/libXaw/src/Toggle.c +++ b/libXaw/src/Toggle.c @@ -1,629 +1,629 @@ -/* - -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* - * Author: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - * - * Date: January 12, 1989 - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Converters.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/ToggleP.h> -#include <X11/Xaw/XawInit.h> - -/* - * Class Methods - */ -static void XawToggleClassInitialize(void); -static void XawToggleInitialize(Widget, Widget, ArgList, Cardinal*); -static Boolean XawToggleSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static void AddToRadioGroup(RadioGroup*, Widget); -static void CreateRadioGroup(Widget, Widget); -static RadioGroup *GetRadioGroup(Widget); -static void RemoveFromRadioGroup(Widget); -static void TurnOffRadioSiblings(Widget); -static void XawToggleDestroy(Widget, XtPointer, XtPointer); - -/* - * Actions - */ -static void Notify(Widget, XEvent*, String*, Cardinal*); -static void Toggle(Widget, XEvent*, String*, Cardinal*); -static void ToggleSet(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -/* - * The order of toggle and notify are important, as the state has - * to be set when we call the notify proc - */ -static char defaultTranslations[] = -"<Enter>:" "highlight(Always)\n" -"<Leave>:" "unhighlight()\n" -"<Btn1Down>,<Btn1Up>:" "toggle() notify()\n" -; - -#define offset(field) XtOffsetOf(ToggleRec, field) -static XtResource resources[] = { - { - XtNstate, - XtCState, - XtRBoolean, - sizeof(Boolean), - offset(command.set), - XtRString, - "off" - }, - { - XtNradioGroup, - XtCWidget, - XtRWidget, - sizeof(Widget), - offset(toggle.widget), - XtRWidget, - NULL - }, - { - XtNradioData, - XtCRadioData, - XtRPointer, - sizeof(XtPointer), - offset(toggle.radio_data), - XtRPointer, - NULL - }, -}; -#undef offset - -static XtActionsRec actionsList[] = { - {"toggle", Toggle}, - {"notify", Notify}, - {"set", ToggleSet}, -}; - -#define Superclass ((CommandWidgetClass)&commandClassRec) -ToggleClassRec toggleClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Toggle", /* class_name */ - sizeof(ToggleRec), /* size */ - XawToggleClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawToggleInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - actionsList, /* actions */ - XtNumber(actionsList), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* resource_count */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - XawToggleSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive, /* change_sensitive */ - }, - /* label */ - { - NULL, /* extension */ - }, - /* command */ - { - NULL, /* extension */ - }, - /* toggle */ - { - NULL, /* Set */ - NULL, /* Unset */ - NULL, /* extension */ - } -}; - -WidgetClass toggleWidgetClass = (WidgetClass)&toggleClassRec; - -/* - * Impelementation - */ -static void -XawToggleClassInitialize(void) -{ - XtActionList actions; - Cardinal num_actions; - Cardinal i; - ToggleWidgetClass cclass = (ToggleWidgetClass)toggleWidgetClass; - static XtConvertArgRec parentCvtArgs[] = { - {XtBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.parent), - sizeof(Widget)} - }; - - XawInitializeWidgetSet(); - XtSetTypeConverter(XtRString, XtRWidget, XmuNewCvtStringToWidget, - parentCvtArgs, XtNumber(parentCvtArgs), - XtCacheNone, NULL); - XtSetTypeConverter(XtRWidget, XtRString, XmuCvtWidgetToString, - NULL, 0, XtCacheNone, NULL); - - /* - * Find the set and unset actions in the command widget's action table - */ - XtGetActionList(commandWidgetClass, &actions, &num_actions); - - for (i = 0 ; i < num_actions ; i++) { - if (streq(actions[i].string, "set")) - cclass->toggle_class.Set = actions[i].proc; - if (streq(actions[i].string, "unset")) - cclass->toggle_class.Unset = actions[i].proc; - - if (cclass->toggle_class.Set != NULL && - cclass->toggle_class.Unset != NULL) { - XtFree((char *)actions); - return; - } - } - - /* We should never get here */ - XtError("Aborting, due to errors resolving bindings in the Toggle widget."); -} - -/*ARGSUSED*/ -static void -XawToggleInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ToggleWidget tw = (ToggleWidget)cnew; - ToggleWidget tw_req = (ToggleWidget)request; - - tw->toggle.radio_group = NULL; - - if (tw->toggle.radio_data == NULL) - tw->toggle.radio_data = (XtPointer)cnew->core.name; - - if (tw->toggle.widget != NULL) { - if (GetRadioGroup(tw->toggle.widget) == NULL) - CreateRadioGroup(cnew, tw->toggle.widget); - else - AddToRadioGroup(GetRadioGroup(tw->toggle.widget), cnew); - } - XtAddCallback(cnew, XtNdestroyCallback, XawToggleDestroy, NULL); - - /* - * Command widget assumes that the widget is unset, so we only - * have to handle the case where it needs to be set - * - * If this widget is in a radio group then it may cause another - * widget to be unset, thus calling the notify proceedure - * - * I want to set the toggle if the user set the state to "On" in - * the resource group, reguardless of what my ancestors did - */ - if (tw_req->command.set) - ToggleSet(cnew, NULL, NULL, NULL); -} - -/*ARGSUSED*/ -static void -ToggleSet(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - ToggleWidgetClass cclass = (ToggleWidgetClass)w->core.widget_class; - - TurnOffRadioSiblings(w); - cclass->toggle_class.Set(w, event, NULL, NULL); -} - -static void -Toggle(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - ToggleWidget tw = (ToggleWidget)w; - ToggleWidgetClass cclass = (ToggleWidgetClass)w->core.widget_class; - - if (tw->command.set) - cclass->toggle_class.Unset(w, event, NULL, NULL); - else - ToggleSet(w, event, params, num_params); -} - -/*ARGSUSED*/ -static void -Notify(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - ToggleWidget tw = (ToggleWidget)w; - long antilint = tw->command.set; - - XtCallCallbacks(w, XtNcallback, (XtPointer)antilint); -} - -/*ARGSUSED*/ -static Boolean -XawToggleSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ToggleWidget oldtw = (ToggleWidget)current; - ToggleWidget tw = (ToggleWidget)cnew; - ToggleWidget rtw = (ToggleWidget)request; - - if (oldtw->toggle.widget != tw->toggle.widget) - XawToggleChangeRadioGroup(cnew, tw->toggle.widget); - - if (!tw->core.sensitive && oldtw->core.sensitive && rtw->command.set) - tw->command.set = True; - - if (oldtw->command.set != tw->command.set) { - tw->command.set = oldtw->command.set; - Toggle(cnew, NULL, NULL, NULL); - } - - return (False); -} - -/* - * Function: - * XawToggleDestroy - * - * Parameters: - * w - toggle widget that is being destroyed - * temp1 - not used - * temp2 - "" - * - * Description: - * Destroy Callback for toggle widget. - */ -/*ARGSUSED*/ -static void -XawToggleDestroy(Widget w, XtPointer temp1, XtPointer temp2) -{ - RemoveFromRadioGroup(w); -} - -/* - * Function: - * GetRadioGroup - * - * Parameters: - * w - toggle widget who's radio group we are getting - * - * Description: - * Gets the radio group associated with a give toggle widget. - * - * Returns: - * The radio group associated with this toggle group - */ -static RadioGroup * -GetRadioGroup(Widget w) -{ - ToggleWidget tw = (ToggleWidget)w; - - if (tw == NULL) - return (NULL); - - return (tw->toggle.radio_group); -} - -/* - * Function: - * CreateRadioGroup - * - * Parameters: - * w1 - toggle widgets to add to the radio group - * w2 - "" - * - * Description: - * Creates a radio group. give two widgets. - * - * Note: - * A pointer to the group is added to each widget's radio_group field. - */ -static void -CreateRadioGroup(Widget w1, Widget w2) -{ - ToggleWidget tw1 = (ToggleWidget)w1; - ToggleWidget tw2 = (ToggleWidget) w2; - - if (tw1->toggle.radio_group != NULL || tw2->toggle.radio_group != NULL) - XtAppWarning(XtWidgetToApplicationContext(w1), - "Toggle Widget Error - Attempting to create a " - "new toggle group, when one already exists."); - - AddToRadioGroup(NULL, w1); - AddToRadioGroup(GetRadioGroup(w1), w2); -} - -/* - * Function: - * AddToRadioGroup - * - * Parameters: - * group - element of the radio group the we are adding to - * w - new toggle widget to add to the group - * - * Description: - * Adds a toggle to the radio group. - */ -static void -AddToRadioGroup(RadioGroup *group, Widget w) -{ - ToggleWidget tw = (ToggleWidget)w; - RadioGroup *local; - - local = (RadioGroup *)XtMalloc(sizeof(RadioGroup)); - local->widget = w; - tw->toggle.radio_group = local; - - if (group == NULL) { /* Creating new group */ - group = local; - group->next = NULL; - group->prev = NULL; - return; - } - local->prev = group; /* Adding to previous group */ - if ((local->next = group->next) != NULL) - local->next->prev = local; - group->next = local; -} - -/* - * Function: - * TurnOffRadioSiblings - * - * Parameters: - * widget - toggle widget - * - * Description: - * Deactivates all radio siblings. - */ -static void -TurnOffRadioSiblings(Widget w) -{ - RadioGroup *group; - ToggleWidgetClass cclass = (ToggleWidgetClass)w->core.widget_class; - - if ((group = GetRadioGroup(w)) == NULL) /* Punt if there is no group */ - return; - - /* Go to the top of the group */ - for (; group->prev != NULL ; group = group->prev) - ; - - while (group != NULL) { - ToggleWidget local_tog = (ToggleWidget)group->widget; - - if (local_tog->command.set) { - cclass->toggle_class.Unset(group->widget, NULL, NULL, NULL); - Notify(group->widget, NULL, NULL, NULL); - } - group = group->next; - } -} - -/* - * Function: - * RemoveFromRadioGroup - * - * Parameters: - * w - toggle widget to remove - * - * Description: - * Removes a toggle from a RadioGroup. - */ -static void -RemoveFromRadioGroup(Widget w) -{ - RadioGroup *group = GetRadioGroup(w); - if (group != NULL) { - if (group->prev != NULL) - (group->prev)->next = group->next; - if (group->next != NULL) - (group->next)->prev = group->prev; - XtFree((char *)group); - } -} - -/* - * Function: - * XawToggleChangeRadioGroup - * - * Parameters: - * w - toggle widget to change groups - * radio_group - any widget in the new group - * - * Description: - * Allows a toggle widget to change radio groups. - */ -void -XawToggleChangeRadioGroup(Widget w, Widget radio_group) -{ - ToggleWidget tw = (ToggleWidget)w; - RadioGroup *group; - - RemoveFromRadioGroup(w); - - /* - * If the toggle that we are about to add is set then we will - * unset all toggles in the new radio group - */ - - if (tw->command.set && radio_group != NULL) - XawToggleUnsetCurrent(radio_group); - - if (radio_group != NULL) { - if ((group = GetRadioGroup(radio_group)) == NULL) - CreateRadioGroup(w, radio_group); - else - AddToRadioGroup(group, w); - } -} - -/* - * Function: - * XawToggleGetCurrent - * - * Parameters: - * w - any toggle widget in the toggle group - * - * Description: - * Returns the RadioData associated with the toggle - * widget that is currently active in a toggle group. - * - * Returns: - * The XtNradioData associated with the toggle widget - */ -XtPointer -XawToggleGetCurrent(Widget w) -{ - RadioGroup *group; - - if ((group = GetRadioGroup(w)) == NULL) - return (NULL); - - for (; group->prev != NULL ; group = group->prev) - ; - - while (group != NULL) { - ToggleWidget local_tog = (ToggleWidget)group->widget; - - if (local_tog->command.set) - return (local_tog->toggle.radio_data); - group = group->next; - } - - return (NULL); -} - -/* - * Function: - * XawToggleSetCurrent - * - * Parameters: - * radio_group - any toggle widget in the toggle group - * radio_data - radio data of the toggle widget to set - * - * Description: - * Sets the Toggle widget associated with the radio_data specified. - */ -void -XawToggleSetCurrent(Widget radio_group, XtPointer radio_data) -{ - RadioGroup *group; - ToggleWidget local_tog; - - /* Special case of no radio group */ - - if ((group = GetRadioGroup(radio_group)) == NULL) { - local_tog = (ToggleWidget)radio_group; - - if (local_tog->toggle.radio_data == radio_data && - !local_tog->command.set) { - ToggleSet(radio_group, NULL, NULL, NULL); - Notify(radio_group, NULL, NULL, NULL); - } - return; - } - - /* - * find top of radio_roup - */ - for (; group->prev != NULL ; group = group->prev) - ; - - /* - * search for matching radio data - */ - while (group != NULL) { - local_tog = (ToggleWidget)group->widget; - - if (local_tog->toggle.radio_data == radio_data) { - if (!local_tog->command.set) { /* if not already set */ - ToggleSet(group->widget, NULL, NULL, NULL); - Notify(group->widget, NULL, NULL, NULL); - } - return; /* found it, done */ - } - group = group->next; - } -} - -/* - * Function: - * XawToggleUnsetCurrent - * - * Parameters: - * radio_group - any toggle widget in the toggle group - * - * Description: - * Unsets all Toggles in the radio_group specified. - */ -void -XawToggleUnsetCurrent(Widget radio_group) -{ - ToggleWidgetClass cclass; - ToggleWidget local_tog = (ToggleWidget)radio_group; - - /* Special Case no radio group */ - - if (local_tog->command.set) { - cclass = (ToggleWidgetClass)local_tog->core.widget_class; - cclass->toggle_class.Unset(radio_group, NULL, NULL, NULL); - Notify(radio_group, NULL, NULL, NULL); - } - if (GetRadioGroup(radio_group) == NULL) - return; - - TurnOffRadioSiblings(radio_group); -} +/*
+
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * Author: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ *
+ * Date: January 12, 1989
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/ToggleP.h>
+#include <X11/Xaw/XawInit.h>
+
+/*
+ * Class Methods
+ */
+static void XawToggleClassInitialize(void);
+static void XawToggleInitialize(Widget, Widget, ArgList, Cardinal*);
+static Boolean XawToggleSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void AddToRadioGroup(RadioGroup*, Widget);
+static void CreateRadioGroup(Widget, Widget);
+static RadioGroup *GetRadioGroup(Widget);
+static void RemoveFromRadioGroup(Widget);
+static void TurnOffRadioSiblings(Widget);
+static void XawToggleDestroy(Widget, XtPointer, XtPointer);
+
+/*
+ * Actions
+ */
+static void Notify(Widget, XEvent*, String*, Cardinal*);
+static void Toggle(Widget, XEvent*, String*, Cardinal*);
+static void ToggleSet(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+/*
+ * The order of toggle and notify are important, as the state has
+ * to be set when we call the notify proc
+ */
+static char defaultTranslations[] =
+"<Enter>:" "highlight(Always)\n"
+"<Leave>:" "unhighlight()\n"
+"<Btn1Down>,<Btn1Up>:" "toggle() notify()\n"
+;
+
+#define offset(field) XtOffsetOf(ToggleRec, field)
+static XtResource resources[] = {
+ {
+ XtNstate,
+ XtCState,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(command.set),
+ XtRString,
+ "off"
+ },
+ {
+ XtNradioGroup,
+ XtCWidget,
+ XtRWidget,
+ sizeof(Widget),
+ offset(toggle.widget),
+ XtRWidget,
+ NULL
+ },
+ {
+ XtNradioData,
+ XtCRadioData,
+ XtRPointer,
+ sizeof(XtPointer),
+ offset(toggle.radio_data),
+ XtRPointer,
+ NULL
+ },
+};
+#undef offset
+
+static XtActionsRec actionsList[] = {
+ {"toggle", Toggle},
+ {"notify", Notify},
+ {"set", ToggleSet},
+};
+
+#define Superclass ((CommandWidgetClass)&commandClassRec)
+ToggleClassRec toggleClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Toggle", /* class_name */
+ sizeof(ToggleRec), /* size */
+ XawToggleClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawToggleInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actionsList, /* actions */
+ XtNumber(actionsList), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* resource_count */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawToggleSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* extension */
+ },
+ /* command */
+ {
+ NULL, /* extension */
+ },
+ /* toggle */
+ {
+ NULL, /* Set */
+ NULL, /* Unset */
+ NULL, /* extension */
+ }
+};
+
+WidgetClass toggleWidgetClass = (WidgetClass)&toggleClassRec;
+
+/*
+ * Impelementation
+ */
+static void
+XawToggleClassInitialize(void)
+{
+ XtActionList actions;
+ Cardinal num_actions;
+ Cardinal i;
+ ToggleWidgetClass cclass = (ToggleWidgetClass)toggleWidgetClass;
+ static XtConvertArgRec parentCvtArgs[] = {
+ {XtBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.parent),
+ sizeof(Widget)}
+ };
+
+ XawInitializeWidgetSet();
+ XtSetTypeConverter(XtRString, XtRWidget, XmuNewCvtStringToWidget,
+ parentCvtArgs, XtNumber(parentCvtArgs),
+ XtCacheNone, NULL);
+ XtSetTypeConverter(XtRWidget, XtRString, XmuCvtWidgetToString,
+ NULL, 0, XtCacheNone, NULL);
+
+ /*
+ * Find the set and unset actions in the command widget's action table
+ */
+ XtGetActionList(commandWidgetClass, &actions, &num_actions);
+
+ for (i = 0 ; i < num_actions ; i++) {
+ if (streq(actions[i].string, "set"))
+ cclass->toggle_class.Set = actions[i].proc;
+ if (streq(actions[i].string, "unset"))
+ cclass->toggle_class.Unset = actions[i].proc;
+
+ if (cclass->toggle_class.Set != NULL &&
+ cclass->toggle_class.Unset != NULL) {
+ XtFree((char *)actions);
+ return;
+ }
+ }
+
+ /* We should never get here */
+ XtError("Aborting, due to errors resolving bindings in the Toggle widget.");
+}
+
+/*ARGSUSED*/
+static void
+XawToggleInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ToggleWidget tw = (ToggleWidget)cnew;
+ ToggleWidget tw_req = (ToggleWidget)request;
+
+ tw->toggle.radio_group = NULL;
+
+ if (tw->toggle.radio_data == NULL)
+ tw->toggle.radio_data = (XtPointer)cnew->core.name;
+
+ if (tw->toggle.widget != NULL) {
+ if (GetRadioGroup(tw->toggle.widget) == NULL)
+ CreateRadioGroup(cnew, tw->toggle.widget);
+ else
+ AddToRadioGroup(GetRadioGroup(tw->toggle.widget), cnew);
+ }
+ XtAddCallback(cnew, XtNdestroyCallback, XawToggleDestroy, NULL);
+
+ /*
+ * Command widget assumes that the widget is unset, so we only
+ * have to handle the case where it needs to be set
+ *
+ * If this widget is in a radio group then it may cause another
+ * widget to be unset, thus calling the notify proceedure
+ *
+ * I want to set the toggle if the user set the state to "On" in
+ * the resource group, reguardless of what my ancestors did
+ */
+ if (tw_req->command.set)
+ ToggleSet(cnew, NULL, NULL, NULL);
+}
+
+/*ARGSUSED*/
+static void
+ToggleSet(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ ToggleWidgetClass cclass = (ToggleWidgetClass)w->core.widget_class;
+
+ TurnOffRadioSiblings(w);
+ cclass->toggle_class.Set(w, event, NULL, NULL);
+}
+
+static void
+Toggle(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ ToggleWidget tw = (ToggleWidget)w;
+ ToggleWidgetClass cclass = (ToggleWidgetClass)w->core.widget_class;
+
+ if (tw->command.set)
+ cclass->toggle_class.Unset(w, event, NULL, NULL);
+ else
+ ToggleSet(w, event, params, num_params);
+}
+
+/*ARGSUSED*/
+static void
+Notify(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ ToggleWidget tw = (ToggleWidget)w;
+ long antilint = tw->command.set;
+
+ XtCallCallbacks(w, XtNcallback, (XtPointer)antilint);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawToggleSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ToggleWidget oldtw = (ToggleWidget)current;
+ ToggleWidget tw = (ToggleWidget)cnew;
+ ToggleWidget rtw = (ToggleWidget)request;
+
+ if (oldtw->toggle.widget != tw->toggle.widget)
+ XawToggleChangeRadioGroup(cnew, tw->toggle.widget);
+
+ if (!tw->core.sensitive && oldtw->core.sensitive && rtw->command.set)
+ tw->command.set = True;
+
+ if (oldtw->command.set != tw->command.set) {
+ tw->command.set = oldtw->command.set;
+ Toggle(cnew, NULL, NULL, NULL);
+ }
+
+ return (False);
+}
+
+/*
+ * Function:
+ * XawToggleDestroy
+ *
+ * Parameters:
+ * w - toggle widget that is being destroyed
+ * temp1 - not used
+ * temp2 - ""
+ *
+ * Description:
+ * Destroy Callback for toggle widget.
+ */
+/*ARGSUSED*/
+static void
+XawToggleDestroy(Widget w, XtPointer temp1, XtPointer temp2)
+{
+ RemoveFromRadioGroup(w);
+}
+
+/*
+ * Function:
+ * GetRadioGroup
+ *
+ * Parameters:
+ * w - toggle widget who's radio group we are getting
+ *
+ * Description:
+ * Gets the radio group associated with a give toggle widget.
+ *
+ * Returns:
+ * The radio group associated with this toggle group
+ */
+static RadioGroup *
+GetRadioGroup(Widget w)
+{
+ ToggleWidget tw = (ToggleWidget)w;
+
+ if (tw == NULL)
+ return (NULL);
+
+ return (tw->toggle.radio_group);
+}
+
+/*
+ * Function:
+ * CreateRadioGroup
+ *
+ * Parameters:
+ * w1 - toggle widgets to add to the radio group
+ * w2 - ""
+ *
+ * Description:
+ * Creates a radio group. give two widgets.
+ *
+ * Note:
+ * A pointer to the group is added to each widget's radio_group field.
+ */
+static void
+CreateRadioGroup(Widget w1, Widget w2)
+{
+ ToggleWidget tw1 = (ToggleWidget)w1;
+ ToggleWidget tw2 = (ToggleWidget) w2;
+
+ if (tw1->toggle.radio_group != NULL || tw2->toggle.radio_group != NULL)
+ XtAppWarning(XtWidgetToApplicationContext(w1),
+ "Toggle Widget Error - Attempting to create a "
+ "new toggle group, when one already exists.");
+
+ AddToRadioGroup(NULL, w1);
+ AddToRadioGroup(GetRadioGroup(w1), w2);
+}
+
+/*
+ * Function:
+ * AddToRadioGroup
+ *
+ * Parameters:
+ * group - element of the radio group the we are adding to
+ * w - new toggle widget to add to the group
+ *
+ * Description:
+ * Adds a toggle to the radio group.
+ */
+static void
+AddToRadioGroup(RadioGroup *group, Widget w)
+{
+ ToggleWidget tw = (ToggleWidget)w;
+ RadioGroup *local;
+
+ local = (RadioGroup *)XtMalloc(sizeof(RadioGroup));
+ local->widget = w;
+ tw->toggle.radio_group = local;
+
+ if (group == NULL) { /* Creating new group */
+ group = local;
+ group->next = NULL;
+ group->prev = NULL;
+ return;
+ }
+ local->prev = group; /* Adding to previous group */
+ if ((local->next = group->next) != NULL)
+ local->next->prev = local;
+ group->next = local;
+}
+
+/*
+ * Function:
+ * TurnOffRadioSiblings
+ *
+ * Parameters:
+ * widget - toggle widget
+ *
+ * Description:
+ * Deactivates all radio siblings.
+ */
+static void
+TurnOffRadioSiblings(Widget w)
+{
+ RadioGroup *group;
+ ToggleWidgetClass cclass = (ToggleWidgetClass)w->core.widget_class;
+
+ if ((group = GetRadioGroup(w)) == NULL) /* Punt if there is no group */
+ return;
+
+ /* Go to the top of the group */
+ for (; group->prev != NULL ; group = group->prev)
+ ;
+
+ while (group != NULL) {
+ ToggleWidget local_tog = (ToggleWidget)group->widget;
+
+ if (local_tog->command.set) {
+ cclass->toggle_class.Unset(group->widget, NULL, NULL, NULL);
+ Notify(group->widget, NULL, NULL, NULL);
+ }
+ group = group->next;
+ }
+}
+
+/*
+ * Function:
+ * RemoveFromRadioGroup
+ *
+ * Parameters:
+ * w - toggle widget to remove
+ *
+ * Description:
+ * Removes a toggle from a RadioGroup.
+ */
+static void
+RemoveFromRadioGroup(Widget w)
+{
+ RadioGroup *group = GetRadioGroup(w);
+ if (group != NULL) {
+ if (group->prev != NULL)
+ (group->prev)->next = group->next;
+ if (group->next != NULL)
+ (group->next)->prev = group->prev;
+ XtFree((char *)group);
+ }
+}
+
+/*
+ * Function:
+ * XawToggleChangeRadioGroup
+ *
+ * Parameters:
+ * w - toggle widget to change groups
+ * radio_group - any widget in the new group
+ *
+ * Description:
+ * Allows a toggle widget to change radio groups.
+ */
+void
+XawToggleChangeRadioGroup(Widget w, Widget radio_group)
+{
+ ToggleWidget tw = (ToggleWidget)w;
+ RadioGroup *group;
+
+ RemoveFromRadioGroup(w);
+
+ /*
+ * If the toggle that we are about to add is set then we will
+ * unset all toggles in the new radio group
+ */
+
+ if (tw->command.set && radio_group != NULL)
+ XawToggleUnsetCurrent(radio_group);
+
+ if (radio_group != NULL) {
+ if ((group = GetRadioGroup(radio_group)) == NULL)
+ CreateRadioGroup(w, radio_group);
+ else
+ AddToRadioGroup(group, w);
+ }
+}
+
+/*
+ * Function:
+ * XawToggleGetCurrent
+ *
+ * Parameters:
+ * w - any toggle widget in the toggle group
+ *
+ * Description:
+ * Returns the RadioData associated with the toggle
+ * widget that is currently active in a toggle group.
+ *
+ * Returns:
+ * The XtNradioData associated with the toggle widget
+ */
+XtPointer
+XawToggleGetCurrent(Widget w)
+{
+ RadioGroup *group;
+
+ if ((group = GetRadioGroup(w)) == NULL)
+ return (NULL);
+
+ for (; group->prev != NULL ; group = group->prev)
+ ;
+
+ while (group != NULL) {
+ ToggleWidget local_tog = (ToggleWidget)group->widget;
+
+ if (local_tog->command.set)
+ return (local_tog->toggle.radio_data);
+ group = group->next;
+ }
+
+ return (NULL);
+}
+
+/*
+ * Function:
+ * XawToggleSetCurrent
+ *
+ * Parameters:
+ * radio_group - any toggle widget in the toggle group
+ * radio_data - radio data of the toggle widget to set
+ *
+ * Description:
+ * Sets the Toggle widget associated with the radio_data specified.
+ */
+void
+XawToggleSetCurrent(Widget radio_group, XtPointer radio_data)
+{
+ RadioGroup *group;
+ ToggleWidget local_tog;
+
+ /* Special case of no radio group */
+
+ if ((group = GetRadioGroup(radio_group)) == NULL) {
+ local_tog = (ToggleWidget)radio_group;
+
+ if (local_tog->toggle.radio_data == radio_data &&
+ !local_tog->command.set) {
+ ToggleSet(radio_group, NULL, NULL, NULL);
+ Notify(radio_group, NULL, NULL, NULL);
+ }
+ return;
+ }
+
+ /*
+ * find top of radio_roup
+ */
+ for (; group->prev != NULL ; group = group->prev)
+ ;
+
+ /*
+ * search for matching radio data
+ */
+ while (group != NULL) {
+ local_tog = (ToggleWidget)group->widget;
+
+ if (local_tog->toggle.radio_data == radio_data) {
+ if (!local_tog->command.set) { /* if not already set */
+ ToggleSet(group->widget, NULL, NULL, NULL);
+ Notify(group->widget, NULL, NULL, NULL);
+ }
+ return; /* found it, done */
+ }
+ group = group->next;
+ }
+}
+
+/*
+ * Function:
+ * XawToggleUnsetCurrent
+ *
+ * Parameters:
+ * radio_group - any toggle widget in the toggle group
+ *
+ * Description:
+ * Unsets all Toggles in the radio_group specified.
+ */
+void
+XawToggleUnsetCurrent(Widget radio_group)
+{
+ ToggleWidgetClass cclass;
+ ToggleWidget local_tog = (ToggleWidget)radio_group;
+
+ /* Special Case no radio group */
+
+ if (local_tog->command.set) {
+ cclass = (ToggleWidgetClass)local_tog->core.widget_class;
+ cclass->toggle_class.Unset(radio_group, NULL, NULL, NULL);
+ Notify(radio_group, NULL, NULL, NULL);
+ }
+ if (GetRadioGroup(radio_group) == NULL)
+ return;
+
+ TurnOffRadioSiblings(radio_group);
+}
diff --git a/libXaw/src/Tree.c b/libXaw/src/Tree.c index 9dd9b7f53..c5e9a00f6 100644 --- a/libXaw/src/Tree.c +++ b/libXaw/src/Tree.c @@ -1,1014 +1,1014 @@ -/* - -Copyright 1990, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - * Copyright 1989 Prentice Hall - * - * Permission to use, copy, modify, and distribute this software for any - * purpose and without fee is hereby granted, provided that the above - * copyright notice appear in all copies and that both the copyright notice - * and this permission notice appear in supporting documentation. - * - * Prentice Hall and the authors disclaim all warranties with regard - * to this software, including all implied warranties of merchantability and - * fitness. In no event shall Prentice Hall or the authors be liable - * for any special, indirect or cosequential damages or any damages whatsoever - * resulting from loss of use, data or profits, whether in an action of - * contract, negligence or other tortious action, arising out of or in - * connection with the use or performance of this software. - * - * Authors: Jim Fulton, MIT X Consortium, - * based on a version by Douglas Young, Prentice Hall - * - * This widget is based on the Tree widget described on pages 397-419 of - * Douglas Young's book "The X Window System, Programming and Applications - * with Xt OSF/Motif Edition." The layout code has been rewritten to use - * additional blank space to make the structure of the graph easier to see - * as well as to support vertical trees. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xaw/XawInit.h> -#include <X11/Xaw/Cardinals.h> -#include <X11/Xaw/TreeP.h> -#include "Private.h" - -#define IsHorizontal(tw) ((tw)->tree.gravity == WestGravity || \ - (tw)->tree.gravity == EastGravity) - -/* - * Class Methods - */ -static void XawTreeChangeManaged(Widget); -static void XawTreeClassInitialize(void); -static void XawTreeConstraintDestroy(Widget); -static void XawTreeConstraintInitialize(Widget, Widget, ArgList, Cardinal*); -static Boolean XawTreeConstraintSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static void XawTreeDestroy(Widget); -static XtGeometryResult XawTreeGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawTreeInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawTreeQueryGeometry(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawTreeRedisplay(Widget, XEvent*, Region); -static Boolean XawTreeSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Prototypes - */ -static void arrange_subtree(TreeWidget, Widget, int, int, int); -static void check_gravity(TreeWidget, XtGravity); -static void compute_bounding_box_subtree(TreeWidget, Widget, int); -static void delete_node(Widget, Widget); -static GC get_tree_gc(TreeWidget); -static void initialize_dimensions(Dimension**, int*, int); -static void insert_node(Widget, Widget); -static void layout_tree(TreeWidget, Bool); -static void set_positions(TreeWidget, Widget, int); -static void set_tree_size(TreeWidget, Bool, unsigned int, unsigned int); - -/* - * Initialization - */ - -/* - * resources of the tree itself - */ -static XtResource resources[] = { - { XtNautoReconfigure, XtCAutoReconfigure, XtRBoolean, sizeof (Boolean), - XtOffsetOf(TreeRec, tree.auto_reconfigure), XtRImmediate, - (XtPointer) FALSE }, - { XtNhSpace, XtCHSpace, XtRDimension, sizeof (Dimension), - XtOffsetOf(TreeRec, tree.hpad), XtRImmediate, (XtPointer) 0 }, - { XtNvSpace, XtCVSpace, XtRDimension, sizeof (Dimension), - XtOffsetOf(TreeRec, tree.vpad), XtRImmediate, (XtPointer) 0 }, - { XtNforeground, XtCForeground, XtRPixel, sizeof (Pixel), - XtOffsetOf(TreeRec, tree.foreground), XtRString, - XtDefaultForeground}, - { XtNlineWidth, XtCLineWidth, XtRDimension, sizeof (Dimension), - XtOffsetOf(TreeRec, tree.line_width), XtRImmediate, (XtPointer) 0 }, - { XtNgravity, XtCGravity, XtRGravity, sizeof (XtGravity), - XtOffsetOf(TreeRec, tree.gravity), XtRImmediate, - (XtPointer) WestGravity }, -#ifndef OLDXAW - { XawNdisplayList, XawCDisplayList, XawRDisplayList, sizeof(XawDisplayList*), - XtOffsetOf(TreeRec, tree.display_list), XtRImmediate, - NULL }, -#endif -}; - - -/* - * resources that are attached to all children of the tree - */ -static XtResource treeConstraintResources[] = { - { XtNtreeParent, XtCTreeParent, XtRWidget, sizeof (Widget), - XtOffsetOf(TreeConstraintsRec, tree.parent), XtRImmediate, NULL }, - { XtNtreeGC, XtCTreeGC, XtRGC, sizeof(GC), - XtOffsetOf(TreeConstraintsRec, tree.gc), XtRImmediate, NULL }, -}; - - -TreeClassRec treeClassRec = { - { - /* core_class fields */ - (WidgetClass) &constraintClassRec, /* superclass */ - "Tree", /* class_name */ - sizeof(TreeRec), /* widget_size */ - XawTreeClassInitialize, /* class_init */ - NULL, /* class_part_init */ - FALSE, /* class_inited */ - XawTreeInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - TRUE, /* compress_motion */ - TRUE, /* compress_exposure */ - TRUE, /* compress_enterleave*/ - TRUE, /* visible_interest */ - XawTreeDestroy, /* destroy */ - NULL, /* resize */ - XawTreeRedisplay, /* expose */ - XawTreeSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XawTreeQueryGeometry, /* query_geometry */ - NULL, /* display_accelerator*/ - NULL, /* extension */ - }, - { - /* composite_class fields */ - XawTreeGeometryManager, /* geometry_manager */ - XawTreeChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - { - /* constraint_class fields */ - treeConstraintResources, /* subresources */ - XtNumber(treeConstraintResources), /* subresource_count */ - sizeof(TreeConstraintsRec), /* constraint_size */ - XawTreeConstraintInitialize, /* initialize */ - XawTreeConstraintDestroy, /* destroy */ - XawTreeConstraintSetValues, /* set_values */ - NULL, /* extension */ - }, - { - /* Tree class fields */ - NULL, /* ignore */ - } -}; - -WidgetClass treeWidgetClass = (WidgetClass) &treeClassRec; - - -/***************************************************************************** - * * - * tree utility routines * - * * - *****************************************************************************/ - -static void -initialize_dimensions(Dimension **listp, int *sizep, int n) -{ - int i; - Dimension *l; - - if (!*listp) { - *listp = (Dimension *) XtCalloc ((unsigned int) n, - (unsigned int) sizeof(Dimension)); - *sizep = ((*listp) ? n : 0); - return; - } - if (n > *sizep) { - *listp = (Dimension *) XtRealloc((char *) *listp, - (unsigned int) (n*sizeof(Dimension))); - if (!*listp) { - *sizep = 0; - return; - } - for (i = *sizep, l = (*listp) + i; i < n; i++, l++) *l = 0; - *sizep = n; - } - return; -} - -static GC -get_tree_gc(TreeWidget w) -{ - XtGCMask valuemask = GCBackground | GCForeground; - XGCValues values; - - values.background = w->core.background_pixel; - values.foreground = w->tree.foreground; - if (w->tree.line_width != 0) { - valuemask |= GCLineWidth; - values.line_width = w->tree.line_width; - } - - return XtGetGC ((Widget) w, valuemask, &values); -} - -static void -insert_node(Widget parent, Widget node) -{ - TreeConstraints pc; - TreeConstraints nc = TREE_CONSTRAINT(node); - int nindex; - - nc->tree.parent = parent; - - if (parent == NULL) return; - - /* - * If there isn't more room in the children array, - * allocate additional space. - */ - pc = TREE_CONSTRAINT(parent); - nindex = pc->tree.n_children; - - if (pc->tree.n_children == pc->tree.max_children) { - pc->tree.max_children += (pc->tree.max_children / 2) + 2; - pc->tree.children = (WidgetList) XtRealloc ((char *)pc->tree.children, - (unsigned int) - ((pc->tree.max_children) * - sizeof(Widget))); - } - - /* - * Add the sub_node in the next available slot and - * increment the counter. - */ - pc->tree.children[nindex] = node; - pc->tree.n_children++; -} - -static void -delete_node(Widget parent, Widget node) -{ - TreeConstraints pc; - int pos, i; - - /* - * Make sure the parent exists. - */ - if (!parent) return; - - pc = TREE_CONSTRAINT(parent); - - /* - * Find the sub_node on its parent's list. - */ - for (pos = 0; pos < pc->tree.n_children; pos++) - if (pc->tree.children[pos] == node) break; - - if (pos == pc->tree.n_children) return; - - /* - * Decrement the number of children - */ - pc->tree.n_children--; - - /* - * Fill in the gap left by the sub_node. - * Zero the last slot for good luck. - */ - for (i = pos; i < pc->tree.n_children; i++) - pc->tree.children[i] = pc->tree.children[i+1]; - - pc->tree.children[pc->tree.n_children] = NULL; -} - -static void -check_gravity(TreeWidget tw, XtGravity grav) -{ - switch (tw->tree.gravity) { - case WestGravity: case NorthGravity: case EastGravity: case SouthGravity: - break; - default: - tw->tree.gravity = grav; - break; - } -} - - -/***************************************************************************** - * * - * tree class methods * - * * - *****************************************************************************/ - -static void -XawTreeClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtAddConverter(XtRString, XtRGravity, XmuCvtStringToGravity, NULL, 0); - XtSetTypeConverter(XtRGravity, XtRString, XmuCvtGravityToString, - NULL, 0, XtCacheNone, NULL); -} - - -/*ARGSUSED*/ -static void -XawTreeInitialize(Widget grequest, Widget gnew, - ArgList args, Cardinal *num_args) -{ - TreeWidget request = (TreeWidget) grequest, cnew = (TreeWidget) gnew; - Arg arglist[2]; - - /* - * Make sure the widget's width and height are - * greater than zero. - */ - if (request->core.width <= 0) cnew->core.width = 5; - if (request->core.height <= 0) cnew->core.height = 5; - - /* - * Set the padding according to the orientation - */ - if (request->tree.hpad == 0 && request->tree.vpad == 0) { - if (IsHorizontal (request)) { - cnew->tree.hpad = TREE_HORIZONTAL_DEFAULT_SPACING; - cnew->tree.vpad = TREE_VERTICAL_DEFAULT_SPACING; - } else { - cnew->tree.hpad = TREE_VERTICAL_DEFAULT_SPACING; - cnew->tree.vpad = TREE_HORIZONTAL_DEFAULT_SPACING; - } - } - - /* - * Create a graphics context for the connecting lines. - */ - cnew->tree.gc = get_tree_gc (cnew); - - /* - * Create the hidden root widget. - */ - cnew->tree.tree_root = (Widget) NULL; - XtSetArg(arglist[0], XtNwidth, 1); - XtSetArg(arglist[1], XtNheight, 1); - cnew->tree.tree_root = XtCreateWidget ("root", widgetClass, gnew, - arglist,TWO); - - /* - * Allocate the array used to hold the widest values per depth - */ - cnew->tree.largest = NULL; - cnew->tree.n_largest = 0; - initialize_dimensions (&cnew->tree.largest, &cnew->tree.n_largest, - TREE_INITIAL_DEPTH); - - /* - * make sure that our gravity is one of the acceptable values - */ - check_gravity (cnew, WestGravity); -} - - -/* ARGSUSED */ -static void -XawTreeConstraintInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TreeConstraints tc = TREE_CONSTRAINT(cnew); - TreeWidget tw = (TreeWidget) cnew->core.parent; - - /* - * Initialize the widget to have no sub-nodes. - */ - tc->tree.n_children = 0; - tc->tree.max_children = 0; - tc->tree.children = (Widget *) NULL; - tc->tree.x = tc->tree.y = 0; - tc->tree.bbsubwidth = 0; - tc->tree.bbsubheight = 0; - - - /* - * If this widget has a super-node, add it to that - * widget' sub-nodes list. Otherwise make it a sub-node of - * the tree_root widget. - */ - if (tc->tree.parent) - insert_node (tc->tree.parent, cnew); - else if (tw->tree.tree_root) - insert_node (tw->tree.tree_root, cnew); -} - - -/* ARGSUSED */ -static Boolean -XawTreeSetValues(Widget gcurrent, Widget grequest, Widget gnew, - ArgList args, Cardinal *num_args) -{ - TreeWidget current = (TreeWidget) gcurrent, cnew = (TreeWidget) gnew; - Boolean redraw = FALSE; - - /* - * If the foreground color has changed, redo the GC's - * and indicate a redraw. - */ - if (cnew->tree.foreground != current->tree.foreground || - cnew->core.background_pixel != current->core.background_pixel || - cnew->tree.line_width != current->tree.line_width) { - XtReleaseGC (gnew, cnew->tree.gc); - cnew->tree.gc = get_tree_gc (cnew); - redraw = TRUE; - } - - /* - * If the minimum spacing has changed, recalculate the - * tree layout. layout_tree() does a redraw, so we don't - * need SetValues to do another one. - */ - if (cnew->tree.gravity != current->tree.gravity) { - check_gravity (cnew, current->tree.gravity); - } - - if (IsHorizontal(cnew) != IsHorizontal(current)) { - if (cnew->tree.vpad == current->tree.vpad && - cnew->tree.hpad == current->tree.hpad) { - cnew->tree.vpad = current->tree.hpad; - cnew->tree.hpad = current->tree.vpad; - } - } - - if (cnew->tree.vpad != current->tree.vpad || - cnew->tree.hpad != current->tree.hpad || - cnew->tree.gravity != current->tree.gravity) { - layout_tree (cnew, TRUE); - redraw = FALSE; - } - return redraw; -} - - -/* ARGSUSED */ -static Boolean -XawTreeConstraintSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - TreeConstraints newc = TREE_CONSTRAINT(cnew); - TreeConstraints curc = TREE_CONSTRAINT(current); - TreeWidget tw = (TreeWidget) cnew->core.parent; - - /* - * If the parent field has changed, remove the widget - * from the old widget's children list and add it to the - * new one. - */ - if (curc->tree.parent != newc->tree.parent){ - if (curc->tree.parent) - delete_node (curc->tree.parent, cnew); - if (newc->tree.parent) - insert_node(newc->tree.parent, cnew); - - /* - * If the Tree widget has been realized, - * compute new layout. - */ - if (XtIsRealized((Widget)tw)) - layout_tree (tw, FALSE); - } - return False; -} - - -static void -XawTreeConstraintDestroy(Widget w) -{ - TreeConstraints tc = TREE_CONSTRAINT(w); - TreeWidget tw = (TreeWidget) XtParent(w); - int i; - - /* - * Remove the widget from its parent's sub-nodes list and - * make all this widget's sub-nodes sub-nodes of the parent. - */ - - if (tw->tree.tree_root == w) { - if (tc->tree.n_children > 0) - tw->tree.tree_root = tc->tree.children[0]; - else - tw->tree.tree_root = NULL; - } - - delete_node (tc->tree.parent, (Widget) w); - for (i = 0; i< tc->tree.n_children; i++) - insert_node (tc->tree.parent, tc->tree.children[i]); - - layout_tree ((TreeWidget) (w->core.parent), FALSE); -} - -/* ARGSUSED */ -static XtGeometryResult -XawTreeGeometryManager(Widget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - - TreeWidget tw = (TreeWidget) w->core.parent; - - /* - * No position changes allowed!. - */ - if ((request->request_mode & CWX && request->x!=w->core.x) - ||(request->request_mode & CWY && request->y!=w->core.y)) - return (XtGeometryNo); - - /* - * Allow all resize requests. - */ - - if (request->request_mode & CWWidth) - w->core.width = request->width; - if (request->request_mode & CWHeight) - w->core.height = request->height; - if (request->request_mode & CWBorderWidth) - w->core.border_width = request->border_width; - - if (tw->tree.auto_reconfigure) layout_tree (tw, FALSE); - return (XtGeometryYes); -} - -static void -XawTreeChangeManaged(Widget gw) -{ - layout_tree ((TreeWidget) gw, FALSE); -} - - -static void -XawTreeDestroy(Widget gw) -{ - TreeWidget w = (TreeWidget) gw; - - XtReleaseGC (gw, w->tree.gc); - if (w->tree.largest) XtFree ((char *) w->tree.largest); -} - - -/* ARGSUSED */ -static void -XawTreeRedisplay(Widget gw, XEvent *event, Region region) -{ - TreeWidget tw = (TreeWidget) gw; - -#ifndef OLDXAW - if (tw->tree.display_list) - XawRunDisplayList(gw, tw->tree.display_list, event, region); -#endif - - /* - * If the Tree widget is visible, visit each managed child. - */ - if (tw->core.visible) { - Cardinal i; - int j; - Display *dpy = XtDisplay (tw); - Window w = XtWindow (tw); - - for (i = 0; i < tw->composite.num_children; i++) { - Widget child = tw->composite.children[i]; - TreeConstraints tc = TREE_CONSTRAINT(child); - - /* - * Don't draw lines from the fake tree_root. - */ - if (child != tw->tree.tree_root && tc->tree.n_children) { - int srcx = child->core.x + child->core.border_width; - int srcy = child->core.y + child->core.border_width; - - switch (tw->tree.gravity) { - case WestGravity: - srcx += child->core.width + child->core.border_width; - /* fall through */ - case EastGravity: - srcy += child->core.height / 2; - break; - - case NorthGravity: - srcy += child->core.height + child->core.border_width; - /* fall through */ - case SouthGravity: - srcx += child->core.width / 2; - break; - } - - for (j = 0; j < tc->tree.n_children; j++) { - Widget k = tc->tree.children[j]; - GC gc = (tc->tree.gc ? tc->tree.gc : tw->tree.gc); - - switch (tw->tree.gravity) { - case WestGravity: - /* - * right center to left center - */ - XDrawLine (dpy, w, gc, srcx, srcy, - (int) k->core.x, - (k->core.y + ((int) k->core.border_width) + - ((int) k->core.height) / 2)); - break; - - case NorthGravity: - /* - * bottom center to top center - */ - XDrawLine (dpy, w, gc, srcx, srcy, - (k->core.x + ((int) k->core.border_width) + - ((int) k->core.width) / 2), - (int) k->core.y); - break; - - case EastGravity: - /* - * left center to right center - */ - XDrawLine (dpy, w, gc, srcx, srcy, - (k->core.x + - (((int) k->core.border_width) << 1) + - (int) k->core.width), - (k->core.y + ((int) k->core.border_width) + - ((int) k->core.height) / 2)); - break; - - case SouthGravity: - /* - * top center to bottom center - */ - XDrawLine (dpy, w, gc, srcx, srcy, - (k->core.x + ((int) k->core.border_width) + - ((int) k->core.width) / 2), - (k->core.y + - (((int) k->core.border_width) << 1) + - (int) k->core.height)); - break; - } - } - } - } - } -} - -static XtGeometryResult -XawTreeQueryGeometry(Widget w, XtWidgetGeometry *intended, - XtWidgetGeometry *preferred) -{ - TreeWidget tw = (TreeWidget) w; - - preferred->request_mode = (CWWidth | CWHeight); - preferred->width = tw->tree.maxwidth; - preferred->height = tw->tree.maxheight; - - if (((intended->request_mode & (CWWidth | CWHeight)) == - (CWWidth | CWHeight)) && - intended->width == preferred->width && - intended->height == preferred->height) - return XtGeometryYes; - else if (preferred->width == w->core.width && - preferred->height == w->core.height) - return XtGeometryNo; - else - return XtGeometryAlmost; -} - - -/***************************************************************************** - * * - * tree layout algorithm * - * * - * Each node in the tree is "shrink-wrapped" with a minimal bounding * - * rectangle, laid next to its siblings (with a small about of padding in * - * between) and then wrapped with their parent. Parents are centered about * - * their children (or vice versa if the parent is larger than the children). * - * * - *****************************************************************************/ - -static void -compute_bounding_box_subtree(TreeWidget tree, Widget w, int depth) -{ - TreeConstraints tc = TREE_CONSTRAINT(w); /* info attached to all kids */ - int i; - Bool horiz = IsHorizontal (tree); - Dimension newwidth, newheight; - Dimension bw2 = w->core.border_width * 2; - - /* - * Set the max-size per level. - */ - if (depth >= tree->tree.n_largest) { - initialize_dimensions (&tree->tree.largest, - &tree->tree.n_largest, depth + 1); - } - newwidth = ((horiz ? w->core.width : w->core.height) + bw2); - if (tree->tree.largest[depth] < newwidth) - tree->tree.largest[depth] = newwidth; - - - /* - * initialize - */ - tc->tree.bbwidth = w->core.width + bw2; - tc->tree.bbheight = w->core.height + bw2; - - if (tc->tree.n_children == 0) return; - - /* - * Figure the size of the opposite dimension (vertical if tree is - * horizontal, else vice versa). The other dimension will be set - * in the second pass once we know the maximum dimensions. - */ - newwidth = 0; - newheight = 0; - for (i = 0; i < tc->tree.n_children; i++) { - Widget child = tc->tree.children[i]; - TreeConstraints cc = TREE_CONSTRAINT(child); - - compute_bounding_box_subtree (tree, child, depth + 1); - - if (horiz) { - if (newwidth < cc->tree.bbwidth) newwidth = cc->tree.bbwidth; - newheight += tree->tree.vpad + cc->tree.bbheight; - } else { - if (newheight < cc->tree.bbheight) newheight = cc->tree.bbheight; - newwidth += tree->tree.hpad + cc->tree.bbwidth; - } - } - - - tc->tree.bbsubwidth = newwidth; - tc->tree.bbsubheight = newheight; - - /* - * Now fit parent onto side (or top) of bounding box and correct for - * extra padding. Be careful of unsigned arithmetic. - */ - if (horiz) { - tc->tree.bbwidth += tree->tree.hpad + newwidth; - newheight -= tree->tree.vpad; - if (newheight > tc->tree.bbheight) tc->tree.bbheight = newheight; - } else { - tc->tree.bbheight += tree->tree.vpad + newheight; - newwidth -= tree->tree.hpad; - if (newwidth > tc->tree.bbwidth) tc->tree.bbwidth = newwidth; - } -} - - -static void -set_positions(TreeWidget tw, Widget w, int level) -{ - int i; - - if (w) { - TreeConstraints tc = TREE_CONSTRAINT(w); - - if (level > 0) { - /* - * mirror if necessary - */ - switch (tw->tree.gravity) { - case EastGravity: - tc->tree.x = (((Position) tw->tree.maxwidth) - - ((Position) w->core.width) - tc->tree.x); - break; - - case SouthGravity: - tc->tree.y = (((Position) tw->tree.maxheight) - - ((Position) w->core.height) - tc->tree.y); - break; - } - - /* - * Move the widget into position. - */ - XtMoveWidget (w, tc->tree.x, tc->tree.y); - } - - /* - * Set the positions of all children. - */ - for (i = 0; i < tc->tree.n_children; i++) - set_positions (tw, tc->tree.children[i], level + 1); - } -} - - -static void -arrange_subtree(TreeWidget tree, Widget w, int depth, int x, int y) -{ - TreeConstraints tc = TREE_CONSTRAINT(w); /* info attached to all kids */ - TreeConstraints firstcc, lastcc; - int i; - int newx, newy; - Bool horiz = IsHorizontal (tree); - Widget child = NULL; - Dimension tmp; - Dimension bw2 = w->core.border_width * 2; - Bool relayout = True; - - - /* - * If no children, then just lay out where requested. - */ - tc->tree.x = x; - tc->tree.y = y; - - if (horiz) { - int myh = (w->core.height + bw2); - - if (myh > (int)tc->tree.bbsubheight) { - y += (myh - (int)tc->tree.bbsubheight) / 2; - relayout = False; - } - } else { - int myw = (w->core.width + bw2); - - if (myw > (int)tc->tree.bbsubwidth) { - x += (myw - (int)tc->tree.bbsubwidth) / 2; - relayout = False; - } - } - - if ((tmp = ((Dimension) x) + tc->tree.bbwidth) > tree->tree.maxwidth) - tree->tree.maxwidth = tmp; - if ((tmp = ((Dimension) y) + tc->tree.bbheight) > tree->tree.maxheight) - tree->tree.maxheight = tmp; - - if (tc->tree.n_children == 0) return; - - - /* - * Have children, so walk down tree laying out children, then laying - * out parents. - */ - if (horiz) { - newx = x + tree->tree.largest[depth]; - if (depth > 0) newx += tree->tree.hpad; - newy = y; - } else { - newx = x; - newy = y + tree->tree.largest[depth]; - if (depth > 0) newy += tree->tree.vpad; - } - - for (i = 0; i < tc->tree.n_children; i++) { - TreeConstraints cc; - - child = tc->tree.children[i]; /* last value is used outside loop */ - cc = TREE_CONSTRAINT(child); - - arrange_subtree (tree, child, depth + 1, newx, newy); - if (horiz) { - newy += tree->tree.vpad + cc->tree.bbheight; - } else { - newx += tree->tree.hpad + cc->tree.bbwidth; - } - } - - /* - * now layout parent between first and last children - */ - if (relayout) { - Position adjusted; - firstcc = TREE_CONSTRAINT (tc->tree.children[0]); - lastcc = TREE_CONSTRAINT (child); - - /* Adjustments are disallowed if they result in a position above - * or to the left of the originally requested position, because - * this could collide with the position of the previous sibling. - */ - if (horiz) { - tc->tree.x = x; - adjusted = firstcc->tree.y + - ((lastcc->tree.y + (Position) child->core.height + - (Position) child->core.border_width * 2 - - firstcc->tree.y - (Position) w->core.height - - (Position) w->core.border_width * 2 + 1) / 2); - if (adjusted > tc->tree.y) tc->tree.y = adjusted; - } else { - adjusted = firstcc->tree.x + - ((lastcc->tree.x + (Position) child->core.width + - (Position) child->core.border_width * 2 - - firstcc->tree.x - (Position) w->core.width - - (Position) w->core.border_width * 2 + 1) / 2); - if (adjusted > tc->tree.x) tc->tree.x = adjusted; - tc->tree.y = y; - } - } -} - -static void -set_tree_size(TreeWidget tw, Bool insetvalues, - unsigned int width, unsigned int height) -{ - if (insetvalues) { - tw->core.width = width; - tw->core.height = height; - } else { - Dimension replyWidth = 0, replyHeight = 0; - XtGeometryResult result = XtMakeResizeRequest ((Widget) tw, - width, height, - &replyWidth, - &replyHeight); - /* - * Accept any compromise. - */ - if (result == XtGeometryAlmost) - XtMakeResizeRequest ((Widget) tw, replyWidth, replyHeight, - (Dimension *) NULL, (Dimension *) NULL); - } - return; -} - -static void -layout_tree(TreeWidget tw, Bool insetvalues) -{ - int i; - Dimension *dp; - - /* - * Do a depth-first search computing the width and height of the bounding - * box for the tree at that position (and below). Then, walk again using - * this information to layout the children at each level. - */ - - if (tw->tree.tree_root == NULL) - return; - - tw->tree.maxwidth = tw->tree.maxheight = 0; - for (i = 0, dp = tw->tree.largest; i < tw->tree.n_largest; i++, dp++) - *dp = 0; - initialize_dimensions (&tw->tree.largest, &tw->tree.n_largest, - tw->tree.n_largest); - compute_bounding_box_subtree (tw, tw->tree.tree_root, 0); - - /* - * Second pass to do final layout. Each child's bounding box is stacked - * on top of (if horizontal, else next to) on top of its siblings. The - * parent is centered between the first and last children. - */ - arrange_subtree (tw, tw->tree.tree_root, 0, 0, 0); - - /* - * Move each widget into place. - */ - set_tree_size (tw, insetvalues, tw->tree.maxwidth, tw->tree.maxheight); - set_positions (tw, tw->tree.tree_root, 0); - - /* - * And redisplay. - */ - if (XtIsRealized ((Widget) tw)) { - XClearArea (XtDisplay(tw), XtWindow((Widget)tw), 0, 0, 0, 0, True); - } -} - - - -/***************************************************************************** - * * - * Public Routines * - * * - *****************************************************************************/ - -void -XawTreeForceLayout(Widget tree) -{ - layout_tree ((TreeWidget) tree, FALSE); -} - +/*
+
+Copyright 1990, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+ * Copyright 1989 Prentice Hall
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation.
+ *
+ * Prentice Hall and the authors disclaim all warranties with regard
+ * to this software, including all implied warranties of merchantability and
+ * fitness. In no event shall Prentice Hall or the authors be liable
+ * for any special, indirect or cosequential damages or any damages whatsoever
+ * resulting from loss of use, data or profits, whether in an action of
+ * contract, negligence or other tortious action, arising out of or in
+ * connection with the use or performance of this software.
+ *
+ * Authors: Jim Fulton, MIT X Consortium,
+ * based on a version by Douglas Young, Prentice Hall
+ *
+ * This widget is based on the Tree widget described on pages 397-419 of
+ * Douglas Young's book "The X Window System, Programming and Applications
+ * with Xt OSF/Motif Edition." The layout code has been rewritten to use
+ * additional blank space to make the structure of the graph easier to see
+ * as well as to support vertical trees.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/TreeP.h>
+#include "Private.h"
+
+#define IsHorizontal(tw) ((tw)->tree.gravity == WestGravity || \
+ (tw)->tree.gravity == EastGravity)
+
+/*
+ * Class Methods
+ */
+static void XawTreeChangeManaged(Widget);
+static void XawTreeClassInitialize(void);
+static void XawTreeConstraintDestroy(Widget);
+static void XawTreeConstraintInitialize(Widget, Widget, ArgList, Cardinal*);
+static Boolean XawTreeConstraintSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static void XawTreeDestroy(Widget);
+static XtGeometryResult XawTreeGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawTreeInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawTreeQueryGeometry(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawTreeRedisplay(Widget, XEvent*, Region);
+static Boolean XawTreeSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void arrange_subtree(TreeWidget, Widget, int, int, int);
+static void check_gravity(TreeWidget, XtGravity);
+static void compute_bounding_box_subtree(TreeWidget, Widget, int);
+static void delete_node(Widget, Widget);
+static GC get_tree_gc(TreeWidget);
+static void initialize_dimensions(Dimension**, int*, int);
+static void insert_node(Widget, Widget);
+static void layout_tree(TreeWidget, Bool);
+static void set_positions(TreeWidget, Widget, int);
+static void set_tree_size(TreeWidget, Bool, unsigned int, unsigned int);
+
+/*
+ * Initialization
+ */
+
+/*
+ * resources of the tree itself
+ */
+static XtResource resources[] = {
+ { XtNautoReconfigure, XtCAutoReconfigure, XtRBoolean, sizeof (Boolean),
+ XtOffsetOf(TreeRec, tree.auto_reconfigure), XtRImmediate,
+ (XtPointer) FALSE },
+ { XtNhSpace, XtCHSpace, XtRDimension, sizeof (Dimension),
+ XtOffsetOf(TreeRec, tree.hpad), XtRImmediate, (XtPointer) 0 },
+ { XtNvSpace, XtCVSpace, XtRDimension, sizeof (Dimension),
+ XtOffsetOf(TreeRec, tree.vpad), XtRImmediate, (XtPointer) 0 },
+ { XtNforeground, XtCForeground, XtRPixel, sizeof (Pixel),
+ XtOffsetOf(TreeRec, tree.foreground), XtRString,
+ XtDefaultForeground},
+ { XtNlineWidth, XtCLineWidth, XtRDimension, sizeof (Dimension),
+ XtOffsetOf(TreeRec, tree.line_width), XtRImmediate, (XtPointer) 0 },
+ { XtNgravity, XtCGravity, XtRGravity, sizeof (XtGravity),
+ XtOffsetOf(TreeRec, tree.gravity), XtRImmediate,
+ (XtPointer) WestGravity },
+#ifndef OLDXAW
+ { XawNdisplayList, XawCDisplayList, XawRDisplayList, sizeof(XawDisplayList*),
+ XtOffsetOf(TreeRec, tree.display_list), XtRImmediate,
+ NULL },
+#endif
+};
+
+
+/*
+ * resources that are attached to all children of the tree
+ */
+static XtResource treeConstraintResources[] = {
+ { XtNtreeParent, XtCTreeParent, XtRWidget, sizeof (Widget),
+ XtOffsetOf(TreeConstraintsRec, tree.parent), XtRImmediate, NULL },
+ { XtNtreeGC, XtCTreeGC, XtRGC, sizeof(GC),
+ XtOffsetOf(TreeConstraintsRec, tree.gc), XtRImmediate, NULL },
+};
+
+
+TreeClassRec treeClassRec = {
+ {
+ /* core_class fields */
+ (WidgetClass) &constraintClassRec, /* superclass */
+ "Tree", /* class_name */
+ sizeof(TreeRec), /* widget_size */
+ XawTreeClassInitialize, /* class_init */
+ NULL, /* class_part_init */
+ FALSE, /* class_inited */
+ XawTreeInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ TRUE, /* compress_motion */
+ TRUE, /* compress_exposure */
+ TRUE, /* compress_enterleave*/
+ TRUE, /* visible_interest */
+ XawTreeDestroy, /* destroy */
+ NULL, /* resize */
+ XawTreeRedisplay, /* expose */
+ XawTreeSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XawTreeQueryGeometry, /* query_geometry */
+ NULL, /* display_accelerator*/
+ NULL, /* extension */
+ },
+ {
+ /* composite_class fields */
+ XawTreeGeometryManager, /* geometry_manager */
+ XawTreeChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ {
+ /* constraint_class fields */
+ treeConstraintResources, /* subresources */
+ XtNumber(treeConstraintResources), /* subresource_count */
+ sizeof(TreeConstraintsRec), /* constraint_size */
+ XawTreeConstraintInitialize, /* initialize */
+ XawTreeConstraintDestroy, /* destroy */
+ XawTreeConstraintSetValues, /* set_values */
+ NULL, /* extension */
+ },
+ {
+ /* Tree class fields */
+ NULL, /* ignore */
+ }
+};
+
+WidgetClass treeWidgetClass = (WidgetClass) &treeClassRec;
+
+
+/*****************************************************************************
+ * *
+ * tree utility routines *
+ * *
+ *****************************************************************************/
+
+static void
+initialize_dimensions(Dimension **listp, int *sizep, int n)
+{
+ int i;
+ Dimension *l;
+
+ if (!*listp) {
+ *listp = (Dimension *) XtCalloc ((unsigned int) n,
+ (unsigned int) sizeof(Dimension));
+ *sizep = ((*listp) ? n : 0);
+ return;
+ }
+ if (n > *sizep) {
+ *listp = (Dimension *) XtRealloc((char *) *listp,
+ (unsigned int) (n*sizeof(Dimension)));
+ if (!*listp) {
+ *sizep = 0;
+ return;
+ }
+ for (i = *sizep, l = (*listp) + i; i < n; i++, l++) *l = 0;
+ *sizep = n;
+ }
+ return;
+}
+
+static GC
+get_tree_gc(TreeWidget w)
+{
+ XtGCMask valuemask = GCBackground | GCForeground;
+ XGCValues values;
+
+ values.background = w->core.background_pixel;
+ values.foreground = w->tree.foreground;
+ if (w->tree.line_width != 0) {
+ valuemask |= GCLineWidth;
+ values.line_width = w->tree.line_width;
+ }
+
+ return XtGetGC ((Widget) w, valuemask, &values);
+}
+
+static void
+insert_node(Widget parent, Widget node)
+{
+ TreeConstraints pc;
+ TreeConstraints nc = TREE_CONSTRAINT(node);
+ int nindex;
+
+ nc->tree.parent = parent;
+
+ if (parent == NULL) return;
+
+ /*
+ * If there isn't more room in the children array,
+ * allocate additional space.
+ */
+ pc = TREE_CONSTRAINT(parent);
+ nindex = pc->tree.n_children;
+
+ if (pc->tree.n_children == pc->tree.max_children) {
+ pc->tree.max_children += (pc->tree.max_children / 2) + 2;
+ pc->tree.children = (WidgetList) XtRealloc ((char *)pc->tree.children,
+ (unsigned int)
+ ((pc->tree.max_children) *
+ sizeof(Widget)));
+ }
+
+ /*
+ * Add the sub_node in the next available slot and
+ * increment the counter.
+ */
+ pc->tree.children[nindex] = node;
+ pc->tree.n_children++;
+}
+
+static void
+delete_node(Widget parent, Widget node)
+{
+ TreeConstraints pc;
+ int pos, i;
+
+ /*
+ * Make sure the parent exists.
+ */
+ if (!parent) return;
+
+ pc = TREE_CONSTRAINT(parent);
+
+ /*
+ * Find the sub_node on its parent's list.
+ */
+ for (pos = 0; pos < pc->tree.n_children; pos++)
+ if (pc->tree.children[pos] == node) break;
+
+ if (pos == pc->tree.n_children) return;
+
+ /*
+ * Decrement the number of children
+ */
+ pc->tree.n_children--;
+
+ /*
+ * Fill in the gap left by the sub_node.
+ * Zero the last slot for good luck.
+ */
+ for (i = pos; i < pc->tree.n_children; i++)
+ pc->tree.children[i] = pc->tree.children[i+1];
+
+ pc->tree.children[pc->tree.n_children] = NULL;
+}
+
+static void
+check_gravity(TreeWidget tw, XtGravity grav)
+{
+ switch (tw->tree.gravity) {
+ case WestGravity: case NorthGravity: case EastGravity: case SouthGravity:
+ break;
+ default:
+ tw->tree.gravity = grav;
+ break;
+ }
+}
+
+
+/*****************************************************************************
+ * *
+ * tree class methods *
+ * *
+ *****************************************************************************/
+
+static void
+XawTreeClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtAddConverter(XtRString, XtRGravity, XmuCvtStringToGravity, NULL, 0);
+ XtSetTypeConverter(XtRGravity, XtRString, XmuCvtGravityToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+
+/*ARGSUSED*/
+static void
+XawTreeInitialize(Widget grequest, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ TreeWidget request = (TreeWidget) grequest, cnew = (TreeWidget) gnew;
+ Arg arglist[2];
+
+ /*
+ * Make sure the widget's width and height are
+ * greater than zero.
+ */
+ if (request->core.width <= 0) cnew->core.width = 5;
+ if (request->core.height <= 0) cnew->core.height = 5;
+
+ /*
+ * Set the padding according to the orientation
+ */
+ if (request->tree.hpad == 0 && request->tree.vpad == 0) {
+ if (IsHorizontal (request)) {
+ cnew->tree.hpad = TREE_HORIZONTAL_DEFAULT_SPACING;
+ cnew->tree.vpad = TREE_VERTICAL_DEFAULT_SPACING;
+ } else {
+ cnew->tree.hpad = TREE_VERTICAL_DEFAULT_SPACING;
+ cnew->tree.vpad = TREE_HORIZONTAL_DEFAULT_SPACING;
+ }
+ }
+
+ /*
+ * Create a graphics context for the connecting lines.
+ */
+ cnew->tree.gc = get_tree_gc (cnew);
+
+ /*
+ * Create the hidden root widget.
+ */
+ cnew->tree.tree_root = (Widget) NULL;
+ XtSetArg(arglist[0], XtNwidth, 1);
+ XtSetArg(arglist[1], XtNheight, 1);
+ cnew->tree.tree_root = XtCreateWidget ("root", widgetClass, gnew,
+ arglist,TWO);
+
+ /*
+ * Allocate the array used to hold the widest values per depth
+ */
+ cnew->tree.largest = NULL;
+ cnew->tree.n_largest = 0;
+ initialize_dimensions (&cnew->tree.largest, &cnew->tree.n_largest,
+ TREE_INITIAL_DEPTH);
+
+ /*
+ * make sure that our gravity is one of the acceptable values
+ */
+ check_gravity (cnew, WestGravity);
+}
+
+
+/* ARGSUSED */
+static void
+XawTreeConstraintInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TreeConstraints tc = TREE_CONSTRAINT(cnew);
+ TreeWidget tw = (TreeWidget) cnew->core.parent;
+
+ /*
+ * Initialize the widget to have no sub-nodes.
+ */
+ tc->tree.n_children = 0;
+ tc->tree.max_children = 0;
+ tc->tree.children = (Widget *) NULL;
+ tc->tree.x = tc->tree.y = 0;
+ tc->tree.bbsubwidth = 0;
+ tc->tree.bbsubheight = 0;
+
+
+ /*
+ * If this widget has a super-node, add it to that
+ * widget' sub-nodes list. Otherwise make it a sub-node of
+ * the tree_root widget.
+ */
+ if (tc->tree.parent)
+ insert_node (tc->tree.parent, cnew);
+ else if (tw->tree.tree_root)
+ insert_node (tw->tree.tree_root, cnew);
+}
+
+
+/* ARGSUSED */
+static Boolean
+XawTreeSetValues(Widget gcurrent, Widget grequest, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ TreeWidget current = (TreeWidget) gcurrent, cnew = (TreeWidget) gnew;
+ Boolean redraw = FALSE;
+
+ /*
+ * If the foreground color has changed, redo the GC's
+ * and indicate a redraw.
+ */
+ if (cnew->tree.foreground != current->tree.foreground ||
+ cnew->core.background_pixel != current->core.background_pixel ||
+ cnew->tree.line_width != current->tree.line_width) {
+ XtReleaseGC (gnew, cnew->tree.gc);
+ cnew->tree.gc = get_tree_gc (cnew);
+ redraw = TRUE;
+ }
+
+ /*
+ * If the minimum spacing has changed, recalculate the
+ * tree layout. layout_tree() does a redraw, so we don't
+ * need SetValues to do another one.
+ */
+ if (cnew->tree.gravity != current->tree.gravity) {
+ check_gravity (cnew, current->tree.gravity);
+ }
+
+ if (IsHorizontal(cnew) != IsHorizontal(current)) {
+ if (cnew->tree.vpad == current->tree.vpad &&
+ cnew->tree.hpad == current->tree.hpad) {
+ cnew->tree.vpad = current->tree.hpad;
+ cnew->tree.hpad = current->tree.vpad;
+ }
+ }
+
+ if (cnew->tree.vpad != current->tree.vpad ||
+ cnew->tree.hpad != current->tree.hpad ||
+ cnew->tree.gravity != current->tree.gravity) {
+ layout_tree (cnew, TRUE);
+ redraw = FALSE;
+ }
+ return redraw;
+}
+
+
+/* ARGSUSED */
+static Boolean
+XawTreeConstraintSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ TreeConstraints newc = TREE_CONSTRAINT(cnew);
+ TreeConstraints curc = TREE_CONSTRAINT(current);
+ TreeWidget tw = (TreeWidget) cnew->core.parent;
+
+ /*
+ * If the parent field has changed, remove the widget
+ * from the old widget's children list and add it to the
+ * new one.
+ */
+ if (curc->tree.parent != newc->tree.parent){
+ if (curc->tree.parent)
+ delete_node (curc->tree.parent, cnew);
+ if (newc->tree.parent)
+ insert_node(newc->tree.parent, cnew);
+
+ /*
+ * If the Tree widget has been realized,
+ * compute new layout.
+ */
+ if (XtIsRealized((Widget)tw))
+ layout_tree (tw, FALSE);
+ }
+ return False;
+}
+
+
+static void
+XawTreeConstraintDestroy(Widget w)
+{
+ TreeConstraints tc = TREE_CONSTRAINT(w);
+ TreeWidget tw = (TreeWidget) XtParent(w);
+ int i;
+
+ /*
+ * Remove the widget from its parent's sub-nodes list and
+ * make all this widget's sub-nodes sub-nodes of the parent.
+ */
+
+ if (tw->tree.tree_root == w) {
+ if (tc->tree.n_children > 0)
+ tw->tree.tree_root = tc->tree.children[0];
+ else
+ tw->tree.tree_root = NULL;
+ }
+
+ delete_node (tc->tree.parent, (Widget) w);
+ for (i = 0; i< tc->tree.n_children; i++)
+ insert_node (tc->tree.parent, tc->tree.children[i]);
+
+ layout_tree ((TreeWidget) (w->core.parent), FALSE);
+}
+
+/* ARGSUSED */
+static XtGeometryResult
+XawTreeGeometryManager(Widget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+
+ TreeWidget tw = (TreeWidget) w->core.parent;
+
+ /*
+ * No position changes allowed!.
+ */
+ if ((request->request_mode & CWX && request->x!=w->core.x)
+ ||(request->request_mode & CWY && request->y!=w->core.y))
+ return (XtGeometryNo);
+
+ /*
+ * Allow all resize requests.
+ */
+
+ if (request->request_mode & CWWidth)
+ w->core.width = request->width;
+ if (request->request_mode & CWHeight)
+ w->core.height = request->height;
+ if (request->request_mode & CWBorderWidth)
+ w->core.border_width = request->border_width;
+
+ if (tw->tree.auto_reconfigure) layout_tree (tw, FALSE);
+ return (XtGeometryYes);
+}
+
+static void
+XawTreeChangeManaged(Widget gw)
+{
+ layout_tree ((TreeWidget) gw, FALSE);
+}
+
+
+static void
+XawTreeDestroy(Widget gw)
+{
+ TreeWidget w = (TreeWidget) gw;
+
+ XtReleaseGC (gw, w->tree.gc);
+ if (w->tree.largest) XtFree ((char *) w->tree.largest);
+}
+
+
+/* ARGSUSED */
+static void
+XawTreeRedisplay(Widget gw, XEvent *event, Region region)
+{
+ TreeWidget tw = (TreeWidget) gw;
+
+#ifndef OLDXAW
+ if (tw->tree.display_list)
+ XawRunDisplayList(gw, tw->tree.display_list, event, region);
+#endif
+
+ /*
+ * If the Tree widget is visible, visit each managed child.
+ */
+ if (tw->core.visible) {
+ Cardinal i;
+ int j;
+ Display *dpy = XtDisplay (tw);
+ Window w = XtWindow (tw);
+
+ for (i = 0; i < tw->composite.num_children; i++) {
+ Widget child = tw->composite.children[i];
+ TreeConstraints tc = TREE_CONSTRAINT(child);
+
+ /*
+ * Don't draw lines from the fake tree_root.
+ */
+ if (child != tw->tree.tree_root && tc->tree.n_children) {
+ int srcx = child->core.x + child->core.border_width;
+ int srcy = child->core.y + child->core.border_width;
+
+ switch (tw->tree.gravity) {
+ case WestGravity:
+ srcx += child->core.width + child->core.border_width;
+ /* fall through */
+ case EastGravity:
+ srcy += child->core.height / 2;
+ break;
+
+ case NorthGravity:
+ srcy += child->core.height + child->core.border_width;
+ /* fall through */
+ case SouthGravity:
+ srcx += child->core.width / 2;
+ break;
+ }
+
+ for (j = 0; j < tc->tree.n_children; j++) {
+ Widget k = tc->tree.children[j];
+ GC gc = (tc->tree.gc ? tc->tree.gc : tw->tree.gc);
+
+ switch (tw->tree.gravity) {
+ case WestGravity:
+ /*
+ * right center to left center
+ */
+ XDrawLine (dpy, w, gc, srcx, srcy,
+ (int) k->core.x,
+ (k->core.y + ((int) k->core.border_width) +
+ ((int) k->core.height) / 2));
+ break;
+
+ case NorthGravity:
+ /*
+ * bottom center to top center
+ */
+ XDrawLine (dpy, w, gc, srcx, srcy,
+ (k->core.x + ((int) k->core.border_width) +
+ ((int) k->core.width) / 2),
+ (int) k->core.y);
+ break;
+
+ case EastGravity:
+ /*
+ * left center to right center
+ */
+ XDrawLine (dpy, w, gc, srcx, srcy,
+ (k->core.x +
+ (((int) k->core.border_width) << 1) +
+ (int) k->core.width),
+ (k->core.y + ((int) k->core.border_width) +
+ ((int) k->core.height) / 2));
+ break;
+
+ case SouthGravity:
+ /*
+ * top center to bottom center
+ */
+ XDrawLine (dpy, w, gc, srcx, srcy,
+ (k->core.x + ((int) k->core.border_width) +
+ ((int) k->core.width) / 2),
+ (k->core.y +
+ (((int) k->core.border_width) << 1) +
+ (int) k->core.height));
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+
+static XtGeometryResult
+XawTreeQueryGeometry(Widget w, XtWidgetGeometry *intended,
+ XtWidgetGeometry *preferred)
+{
+ TreeWidget tw = (TreeWidget) w;
+
+ preferred->request_mode = (CWWidth | CWHeight);
+ preferred->width = tw->tree.maxwidth;
+ preferred->height = tw->tree.maxheight;
+
+ if (((intended->request_mode & (CWWidth | CWHeight)) ==
+ (CWWidth | CWHeight)) &&
+ intended->width == preferred->width &&
+ intended->height == preferred->height)
+ return XtGeometryYes;
+ else if (preferred->width == w->core.width &&
+ preferred->height == w->core.height)
+ return XtGeometryNo;
+ else
+ return XtGeometryAlmost;
+}
+
+
+/*****************************************************************************
+ * *
+ * tree layout algorithm *
+ * *
+ * Each node in the tree is "shrink-wrapped" with a minimal bounding *
+ * rectangle, laid next to its siblings (with a small about of padding in *
+ * between) and then wrapped with their parent. Parents are centered about *
+ * their children (or vice versa if the parent is larger than the children). *
+ * *
+ *****************************************************************************/
+
+static void
+compute_bounding_box_subtree(TreeWidget tree, Widget w, int depth)
+{
+ TreeConstraints tc = TREE_CONSTRAINT(w); /* info attached to all kids */
+ int i;
+ Bool horiz = IsHorizontal (tree);
+ Dimension newwidth, newheight;
+ Dimension bw2 = w->core.border_width * 2;
+
+ /*
+ * Set the max-size per level.
+ */
+ if (depth >= tree->tree.n_largest) {
+ initialize_dimensions (&tree->tree.largest,
+ &tree->tree.n_largest, depth + 1);
+ }
+ newwidth = ((horiz ? w->core.width : w->core.height) + bw2);
+ if (tree->tree.largest[depth] < newwidth)
+ tree->tree.largest[depth] = newwidth;
+
+
+ /*
+ * initialize
+ */
+ tc->tree.bbwidth = w->core.width + bw2;
+ tc->tree.bbheight = w->core.height + bw2;
+
+ if (tc->tree.n_children == 0) return;
+
+ /*
+ * Figure the size of the opposite dimension (vertical if tree is
+ * horizontal, else vice versa). The other dimension will be set
+ * in the second pass once we know the maximum dimensions.
+ */
+ newwidth = 0;
+ newheight = 0;
+ for (i = 0; i < tc->tree.n_children; i++) {
+ Widget child = tc->tree.children[i];
+ TreeConstraints cc = TREE_CONSTRAINT(child);
+
+ compute_bounding_box_subtree (tree, child, depth + 1);
+
+ if (horiz) {
+ if (newwidth < cc->tree.bbwidth) newwidth = cc->tree.bbwidth;
+ newheight += tree->tree.vpad + cc->tree.bbheight;
+ } else {
+ if (newheight < cc->tree.bbheight) newheight = cc->tree.bbheight;
+ newwidth += tree->tree.hpad + cc->tree.bbwidth;
+ }
+ }
+
+
+ tc->tree.bbsubwidth = newwidth;
+ tc->tree.bbsubheight = newheight;
+
+ /*
+ * Now fit parent onto side (or top) of bounding box and correct for
+ * extra padding. Be careful of unsigned arithmetic.
+ */
+ if (horiz) {
+ tc->tree.bbwidth += tree->tree.hpad + newwidth;
+ newheight -= tree->tree.vpad;
+ if (newheight > tc->tree.bbheight) tc->tree.bbheight = newheight;
+ } else {
+ tc->tree.bbheight += tree->tree.vpad + newheight;
+ newwidth -= tree->tree.hpad;
+ if (newwidth > tc->tree.bbwidth) tc->tree.bbwidth = newwidth;
+ }
+}
+
+
+static void
+set_positions(TreeWidget tw, Widget w, int level)
+{
+ int i;
+
+ if (w) {
+ TreeConstraints tc = TREE_CONSTRAINT(w);
+
+ if (level > 0) {
+ /*
+ * mirror if necessary
+ */
+ switch (tw->tree.gravity) {
+ case EastGravity:
+ tc->tree.x = (((Position) tw->tree.maxwidth) -
+ ((Position) w->core.width) - tc->tree.x);
+ break;
+
+ case SouthGravity:
+ tc->tree.y = (((Position) tw->tree.maxheight) -
+ ((Position) w->core.height) - tc->tree.y);
+ break;
+ }
+
+ /*
+ * Move the widget into position.
+ */
+ XtMoveWidget (w, tc->tree.x, tc->tree.y);
+ }
+
+ /*
+ * Set the positions of all children.
+ */
+ for (i = 0; i < tc->tree.n_children; i++)
+ set_positions (tw, tc->tree.children[i], level + 1);
+ }
+}
+
+
+static void
+arrange_subtree(TreeWidget tree, Widget w, int depth, int x, int y)
+{
+ TreeConstraints tc = TREE_CONSTRAINT(w); /* info attached to all kids */
+ TreeConstraints firstcc, lastcc;
+ int i;
+ int newx, newy;
+ Bool horiz = IsHorizontal (tree);
+ Widget child = NULL;
+ Dimension tmp;
+ Dimension bw2 = w->core.border_width * 2;
+ Bool relayout = True;
+
+
+ /*
+ * If no children, then just lay out where requested.
+ */
+ tc->tree.x = x;
+ tc->tree.y = y;
+
+ if (horiz) {
+ int myh = (w->core.height + bw2);
+
+ if (myh > (int)tc->tree.bbsubheight) {
+ y += (myh - (int)tc->tree.bbsubheight) / 2;
+ relayout = False;
+ }
+ } else {
+ int myw = (w->core.width + bw2);
+
+ if (myw > (int)tc->tree.bbsubwidth) {
+ x += (myw - (int)tc->tree.bbsubwidth) / 2;
+ relayout = False;
+ }
+ }
+
+ if ((tmp = ((Dimension) x) + tc->tree.bbwidth) > tree->tree.maxwidth)
+ tree->tree.maxwidth = tmp;
+ if ((tmp = ((Dimension) y) + tc->tree.bbheight) > tree->tree.maxheight)
+ tree->tree.maxheight = tmp;
+
+ if (tc->tree.n_children == 0) return;
+
+
+ /*
+ * Have children, so walk down tree laying out children, then laying
+ * out parents.
+ */
+ if (horiz) {
+ newx = x + tree->tree.largest[depth];
+ if (depth > 0) newx += tree->tree.hpad;
+ newy = y;
+ } else {
+ newx = x;
+ newy = y + tree->tree.largest[depth];
+ if (depth > 0) newy += tree->tree.vpad;
+ }
+
+ for (i = 0; i < tc->tree.n_children; i++) {
+ TreeConstraints cc;
+
+ child = tc->tree.children[i]; /* last value is used outside loop */
+ cc = TREE_CONSTRAINT(child);
+
+ arrange_subtree (tree, child, depth + 1, newx, newy);
+ if (horiz) {
+ newy += tree->tree.vpad + cc->tree.bbheight;
+ } else {
+ newx += tree->tree.hpad + cc->tree.bbwidth;
+ }
+ }
+
+ /*
+ * now layout parent between first and last children
+ */
+ if (relayout) {
+ Position adjusted;
+ firstcc = TREE_CONSTRAINT (tc->tree.children[0]);
+ lastcc = TREE_CONSTRAINT (child);
+
+ /* Adjustments are disallowed if they result in a position above
+ * or to the left of the originally requested position, because
+ * this could collide with the position of the previous sibling.
+ */
+ if (horiz) {
+ tc->tree.x = x;
+ adjusted = firstcc->tree.y +
+ ((lastcc->tree.y + (Position) child->core.height +
+ (Position) child->core.border_width * 2 -
+ firstcc->tree.y - (Position) w->core.height -
+ (Position) w->core.border_width * 2 + 1) / 2);
+ if (adjusted > tc->tree.y) tc->tree.y = adjusted;
+ } else {
+ adjusted = firstcc->tree.x +
+ ((lastcc->tree.x + (Position) child->core.width +
+ (Position) child->core.border_width * 2 -
+ firstcc->tree.x - (Position) w->core.width -
+ (Position) w->core.border_width * 2 + 1) / 2);
+ if (adjusted > tc->tree.x) tc->tree.x = adjusted;
+ tc->tree.y = y;
+ }
+ }
+}
+
+static void
+set_tree_size(TreeWidget tw, Bool insetvalues,
+ unsigned int width, unsigned int height)
+{
+ if (insetvalues) {
+ tw->core.width = width;
+ tw->core.height = height;
+ } else {
+ Dimension replyWidth = 0, replyHeight = 0;
+ XtGeometryResult result = XtMakeResizeRequest ((Widget) tw,
+ width, height,
+ &replyWidth,
+ &replyHeight);
+ /*
+ * Accept any compromise.
+ */
+ if (result == XtGeometryAlmost)
+ XtMakeResizeRequest ((Widget) tw, replyWidth, replyHeight,
+ (Dimension *) NULL, (Dimension *) NULL);
+ }
+ return;
+}
+
+static void
+layout_tree(TreeWidget tw, Bool insetvalues)
+{
+ int i;
+ Dimension *dp;
+
+ /*
+ * Do a depth-first search computing the width and height of the bounding
+ * box for the tree at that position (and below). Then, walk again using
+ * this information to layout the children at each level.
+ */
+
+ if (tw->tree.tree_root == NULL)
+ return;
+
+ tw->tree.maxwidth = tw->tree.maxheight = 0;
+ for (i = 0, dp = tw->tree.largest; i < tw->tree.n_largest; i++, dp++)
+ *dp = 0;
+ initialize_dimensions (&tw->tree.largest, &tw->tree.n_largest,
+ tw->tree.n_largest);
+ compute_bounding_box_subtree (tw, tw->tree.tree_root, 0);
+
+ /*
+ * Second pass to do final layout. Each child's bounding box is stacked
+ * on top of (if horizontal, else next to) on top of its siblings. The
+ * parent is centered between the first and last children.
+ */
+ arrange_subtree (tw, tw->tree.tree_root, 0, 0, 0);
+
+ /*
+ * Move each widget into place.
+ */
+ set_tree_size (tw, insetvalues, tw->tree.maxwidth, tw->tree.maxheight);
+ set_positions (tw, tw->tree.tree_root, 0);
+
+ /*
+ * And redisplay.
+ */
+ if (XtIsRealized ((Widget) tw)) {
+ XClearArea (XtDisplay(tw), XtWindow((Widget)tw), 0, 0, 0, 0, True);
+ }
+}
+
+
+
+/*****************************************************************************
+ * *
+ * Public Routines *
+ * *
+ *****************************************************************************/
+
+void
+XawTreeForceLayout(Widget tree)
+{
+ layout_tree ((TreeWidget) tree, FALSE);
+}
+
diff --git a/libXaw/src/Vendor.c b/libXaw/src/Vendor.c index b45589092..88398906f 100644 --- a/libXaw/src/Vendor.c +++ b/libXaw/src/Vendor.c @@ -1,524 +1,524 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -/* - * This is a copy of Xt/Vendor.c with an additional ClassInitialize - * procedure to register Xmu resource type converters, and all the - * monkey business associated with input methods... - * - */ - -/* Make sure all wm properties can make it out of the resource manager */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/ShellP.h> -#include <X11/VendorP.h> -#include <X11/Xmu/Converters.h> -#include <X11/Xmu/Atoms.h> -#include <X11/Xmu/Editres.h> -#include <X11/Xmu/ExtAgent.h> - -/* The following two headers are for the input method. */ - -#include <X11/Xaw/VendorEP.h> -#include <X11/Xaw/XawImP.h> - -/* - * Class Methods - */ -static void XawVendorShellChangeManaged(Widget); -static Boolean XawCvtCompoundTextToString(Display*, XrmValuePtr, Cardinal*, - XrmValue*, XrmValue*, XtPointer*); -static void XawVendorShellClassInitialize(void); -static XtGeometryResult XawVendorShellGeometryManager(Widget, - XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawVendorShellExtClassInitialize(void); -static void XawVendorShellExtDestroy(Widget); -static void XawVendorShellExtInitialize(Widget, Widget, ArgList, Cardinal*); -void XawVendorShellExtResize(Widget); -static Boolean XawVendorShellExtSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); -static void XawVendorShellClassPartInit(WidgetClass); -static void XawVendorShellInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawVendorShellRealize(Widget, Mask*, XSetWindowAttributes*); -static Boolean XawVendorShellSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * External - */ -void XawVendorStructureNotifyHandler(Widget, XtPointer, XEvent*, Boolean*); - -static XtResource resources[] = { - {XtNinput, XtCInput, XtRBool, sizeof(Bool), - XtOffsetOf(VendorShellRec, wm.wm_hints.input), - XtRImmediate, (XtPointer)True} -}; - -/*************************************************************************** - * - * Vendor shell class record - * - ***************************************************************************/ - -#if defined(__UNIXOS2__) || defined(__CYGWIN__) || defined(__MINGW32__) -/* to fix the EditRes problem because of wrong linker semantics */ -extern WidgetClass vendorShellWidgetClass; /* from Xt/Vendor.c */ -extern VendorShellClassRec _XawVendorShellClassRec; -extern void _XawFixupVendorShell(); - -#if defined(__UNIXOS2__) -unsigned long _DLL_InitTerm(unsigned long mod,unsigned long flag) -{ - switch (flag) { - case 0: /*called on init*/ - _CRT_init(); - vendorShellWidgetClass = (WidgetClass)(&_XawVendorShellClassRec); - _XawFixupVendorShell(); - return 1; - case 1: /*called on exit*/ - return 1; - default: - return 0; - } -} -#endif - -#if defined(__CYGWIN__) || defined(__MINGW32__) -int __stdcall -DllMain(unsigned long mod_handle, unsigned long flag, void *routine) -{ - switch (flag) - { - case 1: /* DLL_PROCESS_ATTACH - process attach */ - vendorShellWidgetClass = (WidgetClass)(&_XawVendorShellClassRec); - _XawFixupVendorShell(); - break; - case 0: /* DLL_PROCESS_DETACH - process detach */ - break; - } - return 1; -} -#endif - -#define vendorShellClassRec _XawVendorShellClassRec - -#endif - -static CompositeClassExtensionRec vendorCompositeExt = { - /* next_extension */ NULL, - /* record_type */ NULLQUARK, - /* version */ XtCompositeExtensionVersion, - /* record_size */ sizeof (CompositeClassExtensionRec), - /* accepts_objects */ TRUE, - /* allows_change_managed_set */ FALSE -}; - -#define SuperClass (&wmShellClassRec) -externaldef(vendorshellclassrec) VendorShellClassRec vendorShellClassRec = { - { - /* superclass */ (WidgetClass)SuperClass, - /* class_name */ "VendorShell", - /* size */ sizeof(VendorShellRec), - /* class_initialize */ XawVendorShellClassInitialize, - /* class_part_init */ XawVendorShellClassPartInit, - /* Class init'ed ? */ FALSE, - /* initialize */ XawVendorShellInitialize, - /* initialize_hook */ NULL, - /* realize */ XawVendorShellRealize, - /* actions */ NULL, - /* num_actions */ 0, - /* resources */ resources, - /* resource_count */ XtNumber(resources), - /* xrm_class */ NULLQUARK, - /* compress_motion */ FALSE, - /* compress_exposure */ TRUE, - /* compress_enterleave*/ FALSE, - /* visible_interest */ FALSE, - /* destroy */ NULL, - /* resize */ XawVendorShellExtResize, - /* expose */ NULL, - /* set_values */ XawVendorShellSetValues, - /* set_values_hook */ NULL, - /* set_values_almost */ XtInheritSetValuesAlmost, - /* get_values_hook */ NULL, - /* accept_focus */ NULL, - /* intrinsics version */ XtVersion, - /* callback offsets */ NULL, - /* tm_table */ NULL, - /* query_geometry */ NULL, - /* display_accelerator*/ NULL, - /* extension */ NULL - },{ - /* geometry_manager */ XawVendorShellGeometryManager, - /* change_managed */ XawVendorShellChangeManaged, - /* insert_child */ XtInheritInsertChild, - /* delete_child */ XtInheritDeleteChild, - /* extension */ (XtPointer) &vendorCompositeExt - },{ - /* extension */ NULL - },{ - /* extension */ NULL - },{ - /* extension */ NULL - } -}; - -#ifndef __UNIXOS2__ -externaldef(vendorshellwidgetclass) WidgetClass vendorShellWidgetClass = - (WidgetClass) (&vendorShellClassRec); -#endif - -/*************************************************************************** - * - * The following section is for the Vendor shell Extension class record - * - ***************************************************************************/ - -static XtResource ext_resources[] = { - {XtNinputMethod, XtCInputMethod, XtRString, sizeof(String), - XtOffsetOf(XawVendorShellExtRec, vendor_ext.im.input_method), - XtRString, (XtPointer)NULL}, - {XtNpreeditType, XtCPreeditType, XtRString, sizeof(String), - XtOffsetOf(XawVendorShellExtRec, vendor_ext.im.preedit_type), - XtRString, (XtPointer)"OverTheSpot,OffTheSpot,Root"}, - {XtNopenIm, XtCOpenIm, XtRBoolean, sizeof(Boolean), - XtOffsetOf(XawVendorShellExtRec, vendor_ext.im.open_im), - XtRImmediate, (XtPointer)TRUE}, - {XtNsharedIc, XtCSharedIc, XtRBoolean, sizeof(Boolean), - XtOffsetOf(XawVendorShellExtRec, vendor_ext.ic.shared_ic), - XtRImmediate, (XtPointer)FALSE} -}; - -externaldef(vendorshellextclassrec) XawVendorShellExtClassRec - xawvendorShellExtClassRec = { - { - /* superclass */ (WidgetClass)&objectClassRec, - /* class_name */ "VendorShellExt", - /* size */ sizeof(XawVendorShellExtRec), - /* class_initialize */ XawVendorShellExtClassInitialize, - /* class_part_initialize*/ NULL, - /* Class init'ed ? */ FALSE, - /* initialize */ XawVendorShellExtInitialize, - /* initialize_hook */ NULL, - /* pad */ NULL, - /* pad */ NULL, - /* pad */ 0, - /* resources */ ext_resources, - /* resource_count */ XtNumber(ext_resources), - /* xrm_class */ NULLQUARK, - /* pad */ FALSE, - /* pad */ FALSE, - /* pad */ FALSE, - /* pad */ FALSE, - /* destroy */ XawVendorShellExtDestroy, - /* pad */ NULL, - /* pad */ NULL, - /* set_values */ XawVendorShellExtSetValues, - /* set_values_hook */ NULL, - /* pad */ NULL, - /* get_values_hook */ NULL, - /* pad */ NULL, - /* version */ XtVersion, - /* callback_offsets */ NULL, - /* pad */ NULL, - /* pad */ NULL, - /* pad */ NULL, - /* extension */ NULL - },{ - /* extension */ NULL - } -}; - -externaldef(xawvendorshellwidgetclass) WidgetClass - xawvendorShellExtWidgetClass = (WidgetClass) (&xawvendorShellExtClassRec); - - -/*ARGSUSED*/ -static Boolean -XawCvtCompoundTextToString(Display *dpy, XrmValuePtr args, Cardinal *num_args, - XrmValue *fromVal, XrmValue *toVal, - XtPointer *cvt_data) -{ - XTextProperty prop; - char **list; - int count; - static char *mbs = NULL; - int len; - - prop.value = (unsigned char *)fromVal->addr; - prop.encoding = XA_COMPOUND_TEXT(dpy); - prop.format = 8; - prop.nitems = fromVal->size; - - if(XmbTextPropertyToTextList(dpy, &prop, &list, &count) < Success) { - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - "converter", "XmbTextPropertyToTextList", "XawError", - "conversion from CT to MB failed.", NULL, NULL); - return False; - } - len = strlen(*list); - toVal->size = len; - mbs = XtRealloc(mbs, len + 1); /* keep buffer because no one call free :( */ - strcpy(mbs, *list); - XFreeStringList(list); - toVal->addr = (XtPointer)mbs; - return True; -} - -static void -XawVendorShellClassInitialize(void) -{ - static XtConvertArgRec screenConvertArg[] = { - {XtWidgetBaseOffset, (XtPointer) XtOffsetOf(WidgetRec, core.screen), - sizeof(Screen *)} - }; - - XtAddConverter(XtRString, XtRCursor, XmuCvtStringToCursor, - screenConvertArg, XtNumber(screenConvertArg)); - - XtAddConverter(XtRString, XtRBitmap, XmuCvtStringToBitmap, - screenConvertArg, XtNumber(screenConvertArg)); - - XtSetTypeConverter("CompoundText", XtRString, XawCvtCompoundTextToString, - NULL, 0, XtCacheNone, NULL); -} - -static void -XawVendorShellClassPartInit(WidgetClass cclass) -{ - CompositeClassExtension ext; - VendorShellWidgetClass vsclass = (VendorShellWidgetClass)cclass; - - if ((ext = (CompositeClassExtension) - XtGetClassExtension (cclass, - XtOffsetOf(CompositeClassRec, - composite_class.extension), - NULLQUARK, 1L, (Cardinal) 0)) == NULL) { - ext = (CompositeClassExtension) XtNew (CompositeClassExtensionRec); - if (ext != NULL) { - ext->next_extension = vsclass->composite_class.extension; - ext->record_type = NULLQUARK; - ext->version = XtCompositeExtensionVersion; - ext->record_size = sizeof (CompositeClassExtensionRec); - ext->accepts_objects = TRUE; - ext->allows_change_managed_set = FALSE; - vsclass->composite_class.extension = (XtPointer) ext; - } - } -} - -#if defined(__osf__) || defined(__UNIXOS2__) || defined(__CYGWIN__) || defined(__MINGW32__) -/* stupid OSF/1 shared libraries have the wrong semantics */ -/* symbols do not get resolved external to the shared library */ -void _XawFixupVendorShell() -{ - transientShellWidgetClass->core_class.superclass = - (WidgetClass) &vendorShellClassRec; - topLevelShellWidgetClass->core_class.superclass = - (WidgetClass) &vendorShellClassRec; -} -#endif - -/* ARGSUSED */ -static void -XawVendorShellInitialize(Widget req, Widget cnew, - ArgList args, Cardinal *num_args) -{ - XtAddEventHandler(cnew, (EventMask) 0, TRUE, _XEditResCheckMessages, NULL); - XtAddEventHandler(cnew, (EventMask) 0, TRUE, XmuRegisterExternalAgent, NULL); - XtCreateWidget("shellext", xawvendorShellExtWidgetClass, - cnew, args, *num_args); -} - -/* ARGSUSED */ -static Boolean -XawVendorShellSetValues(Widget old, Widget ref, Widget cnew, - ArgList args, Cardinal *num_args) -{ - return FALSE; -} - -static void -XawVendorShellRealize(Widget wid, Mask *vmask, XSetWindowAttributes *attr) -{ - WidgetClass super = wmShellWidgetClass; - - /* Make my superclass do all the dirty work */ - - (*super->core_class.realize) (wid, vmask, attr); - _XawImRealize(wid); -} - - -static void -XawVendorShellExtClassInitialize(void) -{ -} - -/* ARGSUSED */ -static void -XawVendorShellExtInitialize(Widget req, Widget cnew, - ArgList args, Cardinal *num_args) -{ - _XawImInitialize(cnew->core.parent, cnew); -} - -/* ARGSUSED */ -static void -XawVendorShellExtDestroy(Widget w) -{ - _XawImDestroy( w->core.parent, w ); -} - -/* ARGSUSED */ -static Boolean -XawVendorShellExtSetValues(Widget old, Widget ref, Widget cnew, - ArgList args, Cardinal *num_args) -{ - return FALSE; -} - -void -XawVendorShellExtResize(Widget w) -{ - ShellWidget sw = (ShellWidget) w; - Widget childwid; - Cardinal i; - int core_height; - - _XawImResizeVendorShell( w ); - core_height = _XawImGetShellHeight( w ); - for( i = 0; i < sw->composite.num_children; i++ ) { - if( XtIsManaged( sw->composite.children[ i ] ) ) { - childwid = sw->composite.children[ i ]; - XtResizeWidget( childwid, sw->core.width, core_height, - childwid->core.border_width ); - } - } -} - -/*ARGSUSED*/ -void -XawVendorStructureNotifyHandler(Widget w, XtPointer closure, XEvent *event, - Boolean *continue_to_dispatch) -{ - XawVendorShellExtResize(w); -} - -/*ARGSUSED*/ -static XtGeometryResult -XawVendorShellGeometryManager(Widget wid, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - ShellWidget shell = (ShellWidget)(wid->core.parent); - XtWidgetGeometry my_request; - - if(shell->shell.allow_shell_resize == FALSE && XtIsRealized(wid)) - return(XtGeometryNo); - - if (request->request_mode & (CWX | CWY)) - return(XtGeometryNo); - - /* %%% worry about XtCWQueryOnly */ - my_request.request_mode = 0; - if (request->request_mode & CWWidth) { - my_request.width = request->width; - my_request.request_mode |= CWWidth; - } - if (request->request_mode & CWHeight) { - my_request.height = request->height - + _XawImGetImAreaHeight( wid ); - my_request.request_mode |= CWHeight; - } - if (request->request_mode & CWBorderWidth) { - my_request.border_width = request->border_width; - my_request.request_mode |= CWBorderWidth; - } - if (XtMakeGeometryRequest((Widget)shell, &my_request, NULL) - == XtGeometryYes) { - /* assert: if (request->request_mode & CWWidth) then - * shell->core.width == request->width - * assert: if (request->request_mode & CWHeight) then - * shell->core.height == request->height - * - * so, whatever the WM sized us to (if the Shell requested - * only one of the two) is now the correct child size - */ - - wid->core.width = shell->core.width; - wid->core.height = shell->core.height; - if (request->request_mode & CWBorderWidth) { - wid->core.x = wid->core.y = -request->border_width; - } - _XawImCallVendorShellExtResize(wid); - return XtGeometryYes; - } else return XtGeometryNo; -} - -static void -XawVendorShellChangeManaged(Widget wid) -{ - ShellWidget w = (ShellWidget) wid; - Widget* childP; - int i; - - (*SuperClass->composite_class.change_managed)(wid); - for (i = w->composite.num_children, childP = w->composite.children; - i; i--, childP++) { - if (XtIsManaged(*childP)) { - XtSetKeyboardFocus(wid, *childP); - break; - } - } -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * This is a copy of Xt/Vendor.c with an additional ClassInitialize
+ * procedure to register Xmu resource type converters, and all the
+ * monkey business associated with input methods...
+ *
+ */
+
+/* Make sure all wm properties can make it out of the resource manager */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/ShellP.h>
+#include <X11/VendorP.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xmu/Atoms.h>
+#include <X11/Xmu/Editres.h>
+#include <X11/Xmu/ExtAgent.h>
+
+/* The following two headers are for the input method. */
+
+#include <X11/Xaw/VendorEP.h>
+#include <X11/Xaw/XawImP.h>
+
+/*
+ * Class Methods
+ */
+static void XawVendorShellChangeManaged(Widget);
+static Boolean XawCvtCompoundTextToString(Display*, XrmValuePtr, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static void XawVendorShellClassInitialize(void);
+static XtGeometryResult XawVendorShellGeometryManager(Widget,
+ XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawVendorShellExtClassInitialize(void);
+static void XawVendorShellExtDestroy(Widget);
+static void XawVendorShellExtInitialize(Widget, Widget, ArgList, Cardinal*);
+void XawVendorShellExtResize(Widget);
+static Boolean XawVendorShellExtSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+static void XawVendorShellClassPartInit(WidgetClass);
+static void XawVendorShellInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawVendorShellRealize(Widget, Mask*, XSetWindowAttributes*);
+static Boolean XawVendorShellSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * External
+ */
+void XawVendorStructureNotifyHandler(Widget, XtPointer, XEvent*, Boolean*);
+
+static XtResource resources[] = {
+ {XtNinput, XtCInput, XtRBool, sizeof(Bool),
+ XtOffsetOf(VendorShellRec, wm.wm_hints.input),
+ XtRImmediate, (XtPointer)True}
+};
+
+/***************************************************************************
+ *
+ * Vendor shell class record
+ *
+ ***************************************************************************/
+
+#if defined(__UNIXOS2__) || defined(__CYGWIN__) || defined(__MINGW32__)
+/* to fix the EditRes problem because of wrong linker semantics */
+extern WidgetClass vendorShellWidgetClass; /* from Xt/Vendor.c */
+extern VendorShellClassRec _XawVendorShellClassRec;
+extern void _XawFixupVendorShell();
+
+#if defined(__UNIXOS2__)
+unsigned long _DLL_InitTerm(unsigned long mod,unsigned long flag)
+{
+ switch (flag) {
+ case 0: /*called on init*/
+ _CRT_init();
+ vendorShellWidgetClass = (WidgetClass)(&_XawVendorShellClassRec);
+ _XawFixupVendorShell();
+ return 1;
+ case 1: /*called on exit*/
+ return 1;
+ default:
+ return 0;
+ }
+}
+#endif
+
+#if defined(__CYGWIN__) || defined(__MINGW32__) && !defined(_MSC_VER)
+int __stdcall
+DllMain(unsigned long mod_handle, unsigned long flag, void *routine)
+{
+ switch (flag)
+ {
+ case 1: /* DLL_PROCESS_ATTACH - process attach */
+ vendorShellWidgetClass = (WidgetClass)(&_XawVendorShellClassRec);
+ _XawFixupVendorShell();
+ break;
+ case 0: /* DLL_PROCESS_DETACH - process detach */
+ break;
+ }
+ return 1;
+}
+#endif
+
+#define vendorShellClassRec _XawVendorShellClassRec
+
+#endif
+
+static CompositeClassExtensionRec vendorCompositeExt = {
+ /* next_extension */ NULL,
+ /* record_type */ NULLQUARK,
+ /* version */ XtCompositeExtensionVersion,
+ /* record_size */ sizeof (CompositeClassExtensionRec),
+ /* accepts_objects */ TRUE,
+ /* allows_change_managed_set */ FALSE
+};
+
+#define SuperClass (&wmShellClassRec)
+externaldef(vendorshellclassrec) VendorShellClassRec vendorShellClassRec = {
+ {
+ /* superclass */ (WidgetClass)SuperClass,
+ /* class_name */ "VendorShell",
+ /* size */ sizeof(VendorShellRec),
+ /* class_initialize */ XawVendorShellClassInitialize,
+ /* class_part_init */ XawVendorShellClassPartInit,
+ /* Class init'ed ? */ FALSE,
+ /* initialize */ XawVendorShellInitialize,
+ /* initialize_hook */ NULL,
+ /* realize */ XawVendorShellRealize,
+ /* actions */ NULL,
+ /* num_actions */ 0,
+ /* resources */ resources,
+ /* resource_count */ XtNumber(resources),
+ /* xrm_class */ NULLQUARK,
+ /* compress_motion */ FALSE,
+ /* compress_exposure */ TRUE,
+ /* compress_enterleave*/ FALSE,
+ /* visible_interest */ FALSE,
+ /* destroy */ NULL,
+ /* resize */ XawVendorShellExtResize,
+ /* expose */ NULL,
+ /* set_values */ XawVendorShellSetValues,
+ /* set_values_hook */ NULL,
+ /* set_values_almost */ XtInheritSetValuesAlmost,
+ /* get_values_hook */ NULL,
+ /* accept_focus */ NULL,
+ /* intrinsics version */ XtVersion,
+ /* callback offsets */ NULL,
+ /* tm_table */ NULL,
+ /* query_geometry */ NULL,
+ /* display_accelerator*/ NULL,
+ /* extension */ NULL
+ },{
+ /* geometry_manager */ XawVendorShellGeometryManager,
+ /* change_managed */ XawVendorShellChangeManaged,
+ /* insert_child */ XtInheritInsertChild,
+ /* delete_child */ XtInheritDeleteChild,
+ /* extension */ (XtPointer) &vendorCompositeExt
+ },{
+ /* extension */ NULL
+ },{
+ /* extension */ NULL
+ },{
+ /* extension */ NULL
+ }
+};
+
+#ifndef __UNIXOS2__
+externaldef(vendorshellwidgetclass) WidgetClass vendorShellWidgetClass =
+ (WidgetClass) (&vendorShellClassRec);
+#endif
+
+/***************************************************************************
+ *
+ * The following section is for the Vendor shell Extension class record
+ *
+ ***************************************************************************/
+
+static XtResource ext_resources[] = {
+ {XtNinputMethod, XtCInputMethod, XtRString, sizeof(String),
+ XtOffsetOf(XawVendorShellExtRec, vendor_ext.im.input_method),
+ XtRString, (XtPointer)NULL},
+ {XtNpreeditType, XtCPreeditType, XtRString, sizeof(String),
+ XtOffsetOf(XawVendorShellExtRec, vendor_ext.im.preedit_type),
+ XtRString, (XtPointer)"OverTheSpot,OffTheSpot,Root"},
+ {XtNopenIm, XtCOpenIm, XtRBoolean, sizeof(Boolean),
+ XtOffsetOf(XawVendorShellExtRec, vendor_ext.im.open_im),
+ XtRImmediate, (XtPointer)TRUE},
+ {XtNsharedIc, XtCSharedIc, XtRBoolean, sizeof(Boolean),
+ XtOffsetOf(XawVendorShellExtRec, vendor_ext.ic.shared_ic),
+ XtRImmediate, (XtPointer)FALSE}
+};
+
+externaldef(vendorshellextclassrec) XawVendorShellExtClassRec
+ xawvendorShellExtClassRec = {
+ {
+ /* superclass */ (WidgetClass)&objectClassRec,
+ /* class_name */ "VendorShellExt",
+ /* size */ sizeof(XawVendorShellExtRec),
+ /* class_initialize */ XawVendorShellExtClassInitialize,
+ /* class_part_initialize*/ NULL,
+ /* Class init'ed ? */ FALSE,
+ /* initialize */ XawVendorShellExtInitialize,
+ /* initialize_hook */ NULL,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* pad */ 0,
+ /* resources */ ext_resources,
+ /* resource_count */ XtNumber(ext_resources),
+ /* xrm_class */ NULLQUARK,
+ /* pad */ FALSE,
+ /* pad */ FALSE,
+ /* pad */ FALSE,
+ /* pad */ FALSE,
+ /* destroy */ XawVendorShellExtDestroy,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* set_values */ XawVendorShellExtSetValues,
+ /* set_values_hook */ NULL,
+ /* pad */ NULL,
+ /* get_values_hook */ NULL,
+ /* pad */ NULL,
+ /* version */ XtVersion,
+ /* callback_offsets */ NULL,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* extension */ NULL
+ },{
+ /* extension */ NULL
+ }
+};
+
+externaldef(xawvendorshellwidgetclass) WidgetClass
+ xawvendorShellExtWidgetClass = (WidgetClass) (&xawvendorShellExtClassRec);
+
+
+/*ARGSUSED*/
+static Boolean
+XawCvtCompoundTextToString(Display *dpy, XrmValuePtr args, Cardinal *num_args,
+ XrmValue *fromVal, XrmValue *toVal,
+ XtPointer *cvt_data)
+{
+ XTextProperty prop;
+ char **list;
+ int count;
+ static char *mbs = NULL;
+ int len;
+
+ prop.value = (unsigned char *)fromVal->addr;
+ prop.encoding = XA_COMPOUND_TEXT(dpy);
+ prop.format = 8;
+ prop.nitems = fromVal->size;
+
+ if(XmbTextPropertyToTextList(dpy, &prop, &list, &count) < Success) {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ "converter", "XmbTextPropertyToTextList", "XawError",
+ "conversion from CT to MB failed.", NULL, NULL);
+ return False;
+ }
+ len = strlen(*list);
+ toVal->size = len;
+ mbs = XtRealloc(mbs, len + 1); /* keep buffer because no one call free :( */
+ strcpy(mbs, *list);
+ XFreeStringList(list);
+ toVal->addr = (XtPointer)mbs;
+ return True;
+}
+
+static void
+XawVendorShellClassInitialize(void)
+{
+ static XtConvertArgRec screenConvertArg[] = {
+ {XtWidgetBaseOffset, (XtPointer) XtOffsetOf(WidgetRec, core.screen),
+ sizeof(Screen *)}
+ };
+
+ XtAddConverter(XtRString, XtRCursor, XmuCvtStringToCursor,
+ screenConvertArg, XtNumber(screenConvertArg));
+
+ XtAddConverter(XtRString, XtRBitmap, XmuCvtStringToBitmap,
+ screenConvertArg, XtNumber(screenConvertArg));
+
+ XtSetTypeConverter("CompoundText", XtRString, XawCvtCompoundTextToString,
+ NULL, 0, XtCacheNone, NULL);
+}
+
+static void
+XawVendorShellClassPartInit(WidgetClass cclass)
+{
+ CompositeClassExtension ext;
+ VendorShellWidgetClass vsclass = (VendorShellWidgetClass)cclass;
+
+ if ((ext = (CompositeClassExtension)
+ XtGetClassExtension (cclass,
+ XtOffsetOf(CompositeClassRec,
+ composite_class.extension),
+ NULLQUARK, 1L, (Cardinal) 0)) == NULL) {
+ ext = (CompositeClassExtension) XtNew (CompositeClassExtensionRec);
+ if (ext != NULL) {
+ ext->next_extension = vsclass->composite_class.extension;
+ ext->record_type = NULLQUARK;
+ ext->version = XtCompositeExtensionVersion;
+ ext->record_size = sizeof (CompositeClassExtensionRec);
+ ext->accepts_objects = TRUE;
+ ext->allows_change_managed_set = FALSE;
+ vsclass->composite_class.extension = (XtPointer) ext;
+ }
+ }
+}
+
+#if defined(__osf__) || defined(__UNIXOS2__) || defined(__CYGWIN__) || defined(__MINGW32__)
+/* stupid OSF/1 shared libraries have the wrong semantics */
+/* symbols do not get resolved external to the shared library */
+void _XawFixupVendorShell()
+{
+ transientShellWidgetClass->core_class.superclass =
+ (WidgetClass) &vendorShellClassRec;
+ topLevelShellWidgetClass->core_class.superclass =
+ (WidgetClass) &vendorShellClassRec;
+}
+#endif
+
+/* ARGSUSED */
+static void
+XawVendorShellInitialize(Widget req, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ XtAddEventHandler(cnew, (EventMask) 0, TRUE, _XEditResCheckMessages, NULL);
+ XtAddEventHandler(cnew, (EventMask) 0, TRUE, XmuRegisterExternalAgent, NULL);
+ XtCreateWidget("shellext", xawvendorShellExtWidgetClass,
+ cnew, args, *num_args);
+}
+
+/* ARGSUSED */
+static Boolean
+XawVendorShellSetValues(Widget old, Widget ref, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ return FALSE;
+}
+
+static void
+XawVendorShellRealize(Widget wid, Mask *vmask, XSetWindowAttributes *attr)
+{
+ WidgetClass super = wmShellWidgetClass;
+
+ /* Make my superclass do all the dirty work */
+
+ (*super->core_class.realize) (wid, vmask, attr);
+ _XawImRealize(wid);
+}
+
+
+static void
+XawVendorShellExtClassInitialize(void)
+{
+}
+
+/* ARGSUSED */
+static void
+XawVendorShellExtInitialize(Widget req, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ _XawImInitialize(cnew->core.parent, cnew);
+}
+
+/* ARGSUSED */
+static void
+XawVendorShellExtDestroy(Widget w)
+{
+ _XawImDestroy( w->core.parent, w );
+}
+
+/* ARGSUSED */
+static Boolean
+XawVendorShellExtSetValues(Widget old, Widget ref, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ return FALSE;
+}
+
+void
+XawVendorShellExtResize(Widget w)
+{
+ ShellWidget sw = (ShellWidget) w;
+ Widget childwid;
+ Cardinal i;
+ int core_height;
+
+ _XawImResizeVendorShell( w );
+ core_height = _XawImGetShellHeight( w );
+ for( i = 0; i < sw->composite.num_children; i++ ) {
+ if( XtIsManaged( sw->composite.children[ i ] ) ) {
+ childwid = sw->composite.children[ i ];
+ XtResizeWidget( childwid, sw->core.width, core_height,
+ childwid->core.border_width );
+ }
+ }
+}
+
+/*ARGSUSED*/
+void
+XawVendorStructureNotifyHandler(Widget w, XtPointer closure, XEvent *event,
+ Boolean *continue_to_dispatch)
+{
+ XawVendorShellExtResize(w);
+}
+
+/*ARGSUSED*/
+static XtGeometryResult
+XawVendorShellGeometryManager(Widget wid, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ ShellWidget shell = (ShellWidget)(wid->core.parent);
+ XtWidgetGeometry my_request;
+
+ if(shell->shell.allow_shell_resize == FALSE && XtIsRealized(wid))
+ return(XtGeometryNo);
+
+ if (request->request_mode & (CWX | CWY))
+ return(XtGeometryNo);
+
+ /* %%% worry about XtCWQueryOnly */
+ my_request.request_mode = 0;
+ if (request->request_mode & CWWidth) {
+ my_request.width = request->width;
+ my_request.request_mode |= CWWidth;
+ }
+ if (request->request_mode & CWHeight) {
+ my_request.height = request->height
+ + _XawImGetImAreaHeight( wid );
+ my_request.request_mode |= CWHeight;
+ }
+ if (request->request_mode & CWBorderWidth) {
+ my_request.border_width = request->border_width;
+ my_request.request_mode |= CWBorderWidth;
+ }
+ if (XtMakeGeometryRequest((Widget)shell, &my_request, NULL)
+ == XtGeometryYes) {
+ /* assert: if (request->request_mode & CWWidth) then
+ * shell->core.width == request->width
+ * assert: if (request->request_mode & CWHeight) then
+ * shell->core.height == request->height
+ *
+ * so, whatever the WM sized us to (if the Shell requested
+ * only one of the two) is now the correct child size
+ */
+
+ wid->core.width = shell->core.width;
+ wid->core.height = shell->core.height;
+ if (request->request_mode & CWBorderWidth) {
+ wid->core.x = wid->core.y = -request->border_width;
+ }
+ _XawImCallVendorShellExtResize(wid);
+ return XtGeometryYes;
+ } else return XtGeometryNo;
+}
+
+static void
+XawVendorShellChangeManaged(Widget wid)
+{
+ ShellWidget w = (ShellWidget) wid;
+ Widget* childP;
+ int i;
+
+ (*SuperClass->composite_class.change_managed)(wid);
+ for (i = w->composite.num_children, childP = w->composite.children;
+ i; i--, childP++) {
+ if (XtIsManaged(*childP)) {
+ XtSetKeyboardFocus(wid, *childP);
+ break;
+ }
+ }
+}
diff --git a/libXaw/src/Viewport.c b/libXaw/src/Viewport.c index 68bd1682b..ac2857257 100644 --- a/libXaw/src/Viewport.c +++ b/libXaw/src/Viewport.c @@ -1,1099 +1,1099 @@ -/*********************************************************** - -Copyright 1987, 1988, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Misc.h> -#include <X11/Xaw/Scrollbar.h> -#include <X11/Xaw/ViewportP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static Boolean Layout(FormWidget, unsigned int, unsigned int, Bool); -static void XawViewportChangeManaged(Widget); -static void XawViewportInitialize(Widget, Widget, ArgList, Cardinal*); -static void -XawViewportConstraintInitialize(Widget, Widget, ArgList, Cardinal*); -static XtGeometryResult XawViewportGeometryManager(Widget, XtWidgetGeometry*, - XtWidgetGeometry*); -static XtGeometryResult XawViewportQueryGeometry(Widget, - XtWidgetGeometry*, - XtWidgetGeometry*); -static void XawViewportRealize(Widget, XtValueMask*, XSetWindowAttributes*); -static void XawViewportResize(Widget); -static Boolean XawViewportSetValues(Widget, Widget, Widget, - ArgList, Cardinal*); - -/* - * Prototypes - */ -static void ComputeLayout(Widget, Bool, Bool); -static void ComputeWithForceBars(Widget, Bool, XtWidgetGeometry*, - int*, int*); -static Widget CreateScrollbar(ViewportWidget, Bool); -static XtGeometryResult GeometryRequestPlusScrollbar(ViewportWidget, Bool, - XtWidgetGeometry*, - XtWidgetGeometry*); -static Bool GetGeometry(Widget, unsigned int, unsigned int); -static void MoveChild(ViewportWidget, int, int); -static XtGeometryResult QueryGeometry(ViewportWidget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void RedrawThumbs(ViewportWidget); -static void ScrollUpDownProc(Widget, XtPointer, XtPointer); -static void SendReport(ViewportWidget, unsigned int); -static void SetBar(Widget, int, unsigned int, unsigned int); -static XtGeometryResult TestSmaller(ViewportWidget, XtWidgetGeometry*, - XtWidgetGeometry*); -static void ThumbProc(Widget, XtPointer, XtPointer); - -/* - * Initialization - */ -#define offset(field) XtOffsetOf(ViewportRec, viewport.field) -static XtResource resources[] = { - { - XtNforceBars, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(forcebars), - XtRImmediate, - (XtPointer)False - }, - { - XtNallowHoriz, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(allowhoriz), - XtRImmediate, - (XtPointer)False - }, - { - XtNallowVert, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(allowvert), - XtRImmediate, - (XtPointer)False - }, - { - XtNuseBottom, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(usebottom), - XtRImmediate, - (XtPointer)False - }, - { - XtNuseRight, - XtCBoolean, - XtRBoolean, - sizeof(Boolean), - offset(useright), - XtRImmediate, - (XtPointer)False - }, - { - XtNreportCallback, - XtCReportCallback, - XtRCallback, - sizeof(XtPointer), - offset(report_callbacks), - XtRImmediate, - NULL - }, -}; -#undef offset - -#define Superclass (&formClassRec) -ViewportClassRec viewportClassRec = { - /* core */ - { - (WidgetClass)Superclass, /* superclass */ - "Viewport", /* class_name */ - sizeof(ViewportRec), /* widget_size */ - XawInitializeWidgetSet, /* class_initialize */ - NULL, /* class_part_init */ - False, /* class_inited */ - XawViewportInitialize, /* initialize */ - NULL, /* initialize_hook */ - XawViewportRealize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - True, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - NULL, /* destroy */ - XawViewportResize, /* resize */ - XtInheritExpose, /* expose */ - XawViewportSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - NULL, /* tm_table */ - XawViewportQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* composite */ - { - XawViewportGeometryManager, /* geometry_manager */ - XawViewportChangeManaged, /* change_managed */ - XtInheritInsertChild, /* insert_child */ - XtInheritDeleteChild, /* delete_child */ - NULL, /* extension */ - }, - /* constraint */ - { - NULL, /* subresourses */ - 0, /* subresource_count */ - sizeof(ViewportConstraintsRec), /* constraint_size */ - XawViewportConstraintInitialize, /* initialize */ - NULL, /* destroy */ - NULL, /* set_values */ - NULL, /* extension */ - }, - /* form */ - { - Layout, /* layout */ - }, - /* viewport */ - { - NULL, /* extension */ - }, -}; - -WidgetClass viewportWidgetClass = (WidgetClass)&viewportClassRec; - -/* - * Implementation - */ -static Widget -CreateScrollbar(ViewportWidget w, Bool horizontal) -{ - static Arg barArgs[] = { - {XtNorientation, 0}, - {XtNlength, 0}, - {XtNleft, 0}, - {XtNright, 0}, - {XtNtop, 0}, - {XtNbottom, 0}, - {XtNmappedWhenManaged, False}, - }; - Widget clip = w->viewport.clip; - ViewportConstraints constraints = - (ViewportConstraints)clip->core.constraints; - Widget bar; - - XtSetArg(barArgs[0], XtNorientation, - horizontal ? XtorientHorizontal : XtorientVertical); - XtSetArg(barArgs[1], XtNlength, - horizontal ? XtWidth(clip) : XtHeight(clip)); - XtSetArg(barArgs[2], XtNleft, - !horizontal && w->viewport.useright ? XtChainRight : XtChainLeft); - XtSetArg(barArgs[3], XtNright, - !horizontal && !w->viewport.useright ? XtChainLeft : XtChainRight); - XtSetArg(barArgs[4], XtNtop, - horizontal && w->viewport.usebottom ? XtChainBottom: XtChainTop); - XtSetArg(barArgs[5], XtNbottom, - horizontal && !w->viewport.usebottom ? XtChainTop: XtChainBottom); - - bar = XtCreateWidget(horizontal ? "horizontal" : "vertical", - scrollbarWidgetClass, (Widget)w, - barArgs, XtNumber(barArgs)); - XtAddCallback(bar, XtNscrollProc, ScrollUpDownProc, (XtPointer)w); - XtAddCallback(bar, XtNjumpProc, ThumbProc, (XtPointer)w); - - if (horizontal) { - w->viewport.horiz_bar = bar; - constraints->form.vert_base = bar; - } - else { - w->viewport.vert_bar = bar; - constraints->form.horiz_base = bar; - } - - XtManageChild(bar); - - return (bar); -} - -/*ARGSUSED*/ -static void -XawViewportInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ViewportWidget w = (ViewportWidget)cnew; - static Arg clip_args[8]; - Cardinal arg_cnt; - Widget h_bar, v_bar; - Dimension clip_height, clip_width; - - w->form.default_spacing = 0; /* Reset the default spacing to 0 pixels */ - - /* - * Initialize all widget pointers to NULL - */ - w->viewport.child = NULL; - w->viewport.horiz_bar = w->viewport.vert_bar = NULL; - - /* - * Create Clip Widget - */ - arg_cnt = 0; - XtSetArg(clip_args[arg_cnt], XtNbackgroundPixmap, None); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNborderWidth, 0); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNleft, XtChainLeft); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNright, XtChainRight); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNtop, XtChainTop); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNbottom, XtChainBottom); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNwidth, XtWidth(w)); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNheight, XtHeight(w)); arg_cnt++; - - w->viewport.clip = XtCreateManagedWidget("clip", widgetClass, cnew, - clip_args, arg_cnt); - - if (!w->viewport.forcebars) - return; /* If we are not forcing the bars then we are done */ - - if (w->viewport.allowhoriz) - (void)CreateScrollbar(w, True); - if (w->viewport.allowvert) - (void)CreateScrollbar(w, False); - - h_bar = w->viewport.horiz_bar; - v_bar = w->viewport.vert_bar; - - /* - * Set the clip widget to the correct height - */ - clip_width = XtWidth(w); - clip_height = XtHeight(w); - - if (h_bar != NULL && XtWidth(w) > XtWidth(h_bar) + XtBorderWidth(h_bar)) - clip_width -= XtWidth(h_bar) + XtBorderWidth(h_bar); - - if (v_bar != NULL && XtHeight(w) > XtHeight(v_bar) + XtBorderWidth(v_bar)) - clip_height -= XtHeight(v_bar) + XtBorderWidth(v_bar); - - arg_cnt = 0; - XtSetArg(clip_args[arg_cnt], XtNwidth, clip_width); arg_cnt++; - XtSetArg(clip_args[arg_cnt], XtNheight, clip_height); arg_cnt++; - XtSetValues(w->viewport.clip, clip_args, arg_cnt); -} - -/*ARGSUSED*/ -static void -XawViewportConstraintInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ((ViewportConstraints)cnew->core.constraints)->viewport.reparented = False; -} - -static void -XawViewportRealize(Widget widget, XtValueMask *value_mask, - XSetWindowAttributes *attributes) -{ - ViewportWidget w = (ViewportWidget)widget; - Widget child = w->viewport.child; - Widget clip = w->viewport.clip; - - *value_mask |= CWBitGravity; - attributes->bit_gravity = NorthWestGravity; - (*Superclass->core_class.realize)(widget, value_mask, attributes); - - (*w->core.widget_class->core_class.resize)(widget); /* turn on bars */ - - if (child != NULL) { - XtMoveWidget(child, 0, 0); - XtRealizeWidget(clip); - XtRealizeWidget(child); - XReparentWindow(XtDisplay(w), XtWindow(child), XtWindow(clip), 0, 0); - XtMapWidget(child); - } -} - -/*ARGSUSED*/ -static Boolean -XawViewportSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - ViewportWidget w = (ViewportWidget)cnew; - ViewportWidget cw = (ViewportWidget)current; - - if (w->viewport.forcebars != cw->viewport.forcebars - || w->viewport.allowvert != cw->viewport.allowvert - || w->viewport.allowhoriz != cw->viewport.allowhoriz - || w->viewport.useright != cw->viewport.useright - || w->viewport.usebottom != cw->viewport.usebottom) - (*w->core.widget_class->core_class.resize)(cnew); /* Recompute layout */ - - return (False); -} - -static void -XawViewportChangeManaged(Widget widget) -{ - ViewportWidget w = (ViewportWidget)widget; - int num_children = w->composite.num_children; - Widget child, *childP; - int i; - - child = NULL; - for (childP = w->composite.children, - i = 0; i < num_children; - childP++, i++) { - if (XtIsManaged(*childP) - && *childP != w->viewport.clip - && *childP != w->viewport.horiz_bar - && *childP != w->viewport.vert_bar) { - child = *childP; - break; - } - } - - if (child != w->viewport.child) { - w->viewport.child = child; - if (child != NULL) { - XtResizeWidget(child, XtWidth(child), XtHeight(child), 0); - if (XtIsRealized(widget)) { - ViewportConstraints constraints = - (ViewportConstraints)child->core.constraints; - if (!XtIsRealized(child)) { - Window window = XtWindow(w); - - XtMoveWidget(child, 0, 0); - w->core.window = XtWindow(w->viewport.clip); - XtRealizeWidget(child); - w->core.window = window; - constraints->viewport.reparented = True; - } - else if (!constraints->viewport.reparented) { - XReparentWindow(XtDisplay(w), XtWindow(child), - XtWindow(w->viewport.clip), 0, 0); - constraints->viewport.reparented = True; - if (child->core.mapped_when_managed) - XtMapWidget(child); - } - } - GetGeometry(widget, XtWidth(child), XtHeight(child)); - (*((ViewportWidgetClass)w->core.widget_class)->form_class.layout) - ((FormWidget)w, XtWidth(w), XtHeight(w), True /* True? */); - } - } - -#ifdef notdef - (*Superclass->composite_class.change_managed)(widget); -#endif -} - -static void -SetBar(Widget w, int top, unsigned int length, unsigned int total) -{ - XawScrollbarSetThumb(w, (float)top / (float)total, - (float)length / (float)total); -} - -static void -RedrawThumbs(ViewportWidget w) -{ - Widget child = w->viewport.child; - Widget clip = w->viewport.clip; - - if (w->viewport.horiz_bar != NULL) - SetBar(w->viewport.horiz_bar, -(int)XtX(child), - XtWidth(clip), XtWidth(child)); - - if (w->viewport.vert_bar != NULL) - SetBar(w->viewport.vert_bar, -(int)XtY(child), - XtHeight(clip), XtHeight(child)); -} - -static void -SendReport(ViewportWidget w, unsigned int changed) -{ - XawPannerReport rep; - - if (w->viewport.report_callbacks) { - Widget child = w->viewport.child; - Widget clip = w->viewport.clip; - - rep.changed = changed; - rep.slider_x = -XtX(child); /* child is canvas */ - rep.slider_y = -XtY(child); /* clip is slider */ - rep.slider_width = XtWidth(clip); - rep.slider_height = XtHeight(clip); - rep.canvas_width = XtWidth(child); - rep.canvas_height = XtHeight(child); - XtCallCallbackList((Widget)w, w->viewport.report_callbacks, - (XtPointer)&rep); - } -} - -static void -MoveChild(ViewportWidget w, int x, int y) -{ - Widget child = w->viewport.child; - Widget clip = w->viewport.clip; - - /* make sure we never move past right/bottom borders */ - if (-x + (int)XtWidth(clip) > XtWidth(child)) - x = -(int)(XtWidth(child) - XtWidth(clip)); - - if (-y + (int)XtHeight(clip) > XtHeight(child)) - y = -(int)(XtHeight(child) - XtHeight(clip)); - - /* make sure we never move past left/top borders */ - if (x >= 0) - x = 0; - if (y >= 0) - y = 0; - - XtMoveWidget(child, x, y); - SendReport(w, (XawPRSliderX | XawPRSliderY)); - - RedrawThumbs(w); -} - -static void -ComputeLayout(Widget widget, Bool query, Bool destroy_scrollbars) -{ - ViewportWidget w = (ViewportWidget)widget; - Widget child = w->viewport.child; - Widget clip = w->viewport.clip; - ViewportConstraints constraints = - (ViewportConstraints)clip->core.constraints; - Bool needshoriz, needsvert; - int clip_width, clip_height; - XtWidgetGeometry intended; - - if (child == NULL) - return; - - clip_width = XtWidth(w); - clip_height = XtHeight(w); - intended.request_mode = CWBorderWidth; - intended.border_width = 0; - - if (w->viewport.forcebars) { - needsvert = w->viewport.allowvert; - needshoriz = w->viewport.allowhoriz; - ComputeWithForceBars(widget, query, &intended, - &clip_width, &clip_height); - } - else { - Dimension prev_width, prev_height; - XtGeometryMask prev_mode; - XtWidgetGeometry preferred; - - needshoriz = needsvert = False; - - /* - * intended.{width,height} caches the eventual child dimensions, - * but we don't set the mode bits until after we decide that the - * child's preferences are not acceptable - */ - if (!w->viewport.allowhoriz) - intended.request_mode |= CWWidth; - - if (XtWidth(child) < clip_width) - intended.width = clip_width; - else - intended.width = XtWidth(child); - - if (XtHeight(child) < clip_height) - intended.height = clip_height; - else - intended.height = XtHeight(child); - - if (!w->viewport.allowvert) - intended.request_mode |= CWHeight; - - if (!query) { - preferred.width = XtWidth(child); - preferred.height = XtHeight(child); - } - do { /* while intended != prev */ - if (query) { - (void)XtQueryGeometry(child, &intended, &preferred); - if (!(preferred.request_mode & CWWidth)) - preferred.width = intended.width; - if (!(preferred.request_mode & CWHeight)) - preferred.height = intended.height; - } - prev_width = intended.width; - prev_height = intended.height; - prev_mode = intended.request_mode; - /* - * note that having once decided to turn on either bar - * we'll not change our mind until we're next resized, - * thus avoiding potential oscillations - */ -#define CheckHoriz() \ - if (w->viewport.allowhoriz && \ - preferred.width > clip_width) { \ - if (!needshoriz) { \ - Widget bar; \ - \ - needshoriz = True; \ - if ((bar = w->viewport.horiz_bar) == NULL) \ - bar = CreateScrollbar(w, True); \ - clip_height -= XtHeight(bar) + XtBorderWidth(bar); \ - if (clip_height < 1) \ - clip_height = 1; \ - } \ - intended.width = preferred.width; \ - } - - CheckHoriz(); - if (w->viewport.allowvert && preferred.height > clip_height) { - if (!needsvert) { - Widget bar; - needsvert = True; - if ((bar = w->viewport.vert_bar) == NULL) - bar = CreateScrollbar(w, False); - clip_width -= XtWidth(bar) + XtBorderWidth(bar); - if (clip_width < 1) - clip_width = 1; - CheckHoriz(); - } - intended.height = preferred.height; - } - if (!w->viewport.allowhoriz || preferred.width < clip_width) { - intended.width = clip_width; - intended.request_mode |= CWWidth; - } - if (!w->viewport.allowvert || preferred.height < clip_height) { - intended.height = clip_height; - intended.request_mode |= CWHeight; - } - } while (intended.request_mode != prev_mode - || (intended.request_mode & CWWidth - && intended.width != prev_width) - || (intended.request_mode & CWHeight - && intended.height != prev_height)); - } - - if (XtIsRealized(clip)) - XRaiseWindow(XtDisplay(clip), XtWindow(clip)); - - XtMoveWidget(clip, - needsvert ? w->viewport.useright ? 0 : - XtWidth(w->viewport.vert_bar) - + XtBorderWidth(w->viewport.vert_bar) : 0, - needshoriz ? w->viewport.usebottom ? 0 : - XtHeight(w->viewport.horiz_bar) - + XtBorderWidth(w->viewport.horiz_bar) : 0); - XtResizeWidget(clip, clip_width, clip_height, 0); - - if (w->viewport.horiz_bar != NULL) { - Widget bar = w->viewport.horiz_bar; - - if (!needshoriz) { - constraints->form.vert_base = NULL; - if (destroy_scrollbars) { - XtDestroyWidget(bar); - w->viewport.horiz_bar = NULL; - } - } - else { - int bw = XtBorderWidth(bar); - - XtResizeWidget(bar, clip_width, XtHeight(bar), bw); - XtMoveWidget(bar, - needsvert && !w->viewport.useright - ? XtWidth(w->viewport.vert_bar) : -bw, - w->viewport.usebottom - ? XtHeight(w) - XtHeight(bar) - bw : -bw); - XtSetMappedWhenManaged(bar, True); - } - } - - if (w->viewport.vert_bar != NULL) { - Widget bar = w->viewport.vert_bar; - - if (!needsvert) { - constraints->form.horiz_base = NULL; - if (destroy_scrollbars) { - XtDestroyWidget(bar); - w->viewport.vert_bar = NULL; - } - } - else { - int bw = bar->core.border_width; - - XtResizeWidget(bar, XtWidth(bar), clip_height, bw); - XtMoveWidget(bar, - w->viewport.useright - ? XtWidth(w) - XtWidth(bar) - bw : -bw, - needshoriz && !w->viewport.usebottom - ? XtHeight(w->viewport.horiz_bar) : -bw); - XtSetMappedWhenManaged(bar, True); - } - } - - if (child != NULL) { - XtResizeWidget(child, intended.width, intended.height, 0); - MoveChild(w, needshoriz ? XtX(child) : 0, needsvert ? XtY(child) : 0); - } - - SendReport (w, XawPRAll); -} - -/* - * Function: - * ComputeWithForceBars - * - * Parameters: - * widget - viewport widget - * query - whether or not to query the child - * intended - cache of the childs height is stored here - * (used and returned) - * clip_width - size of clip window (used and returned) - * clip_height - "" - * - * Description: - * Computes the layout give forcebars is set. - */ -static void -ComputeWithForceBars(Widget widget, Bool query, XtWidgetGeometry *intended, - int *clip_width, int *clip_height) -{ - ViewportWidget w = (ViewportWidget)widget; - Widget child = w->viewport.child; - XtWidgetGeometry preferred; - - /* - * If forcebars then needs = allows = has - * Thus if needsvert is set it MUST have a scrollbar - */ - if (w->viewport.allowvert) { - if (w->viewport.vert_bar == NULL) - w->viewport.vert_bar = CreateScrollbar(w, False); - - *clip_width -= XtWidth(w->viewport.vert_bar) + - XtBorderWidth(w->viewport.vert_bar); - } - - if (w->viewport.allowhoriz) { - if (w->viewport.horiz_bar == NULL) - w->viewport.horiz_bar = CreateScrollbar(w, True); - - *clip_height -= XtHeight(w->viewport.horiz_bar) + - XtBorderWidth(w->viewport.horiz_bar); - } - - AssignMax(*clip_width, 1); - AssignMax(*clip_height, 1); - - if (!w->viewport.allowvert) { - intended->height = *clip_height; - intended->request_mode = CWHeight; - } - if (!w->viewport.allowhoriz) { - intended->width = *clip_width; - intended->request_mode = CWWidth; - } - - if (query) { - if (w->viewport.allowvert || w->viewport.allowhoriz) { - XtQueryGeometry(child, intended, &preferred); - - if (!(intended->request_mode & CWWidth)) { - if (preferred.request_mode & CWWidth) - intended->width = preferred.width; - else - intended->width = XtWidth(child); - } - - if (!(intended->request_mode & CWHeight)) { - if (preferred.request_mode & CWHeight) - intended->height = preferred.height; - else - intended->height = XtHeight(child); - } - } - } - else { - if (w->viewport.allowvert) - intended->height = XtHeight(child); - if (w->viewport.allowhoriz) - intended->width = XtWidth(child); - } - - if (*clip_width > (int)intended->width) - intended->width = *clip_width; - if (*clip_height > (int)intended->height) - intended->height = *clip_height; -} - -static void -XawViewportResize(Widget widget) -{ - ComputeLayout(widget, True, True); -} - -/*ARGSUSED*/ -static Boolean -Layout(FormWidget w, unsigned int width, unsigned int height, Bool force) -{ - ComputeLayout((Widget)w, True, True); - w->form.preferred_width = XtWidth(w); - w->form.preferred_height = XtHeight(w); - - return (False); -} - -static void -ScrollUpDownProc(Widget widget, XtPointer closure, XtPointer call_data) -{ - ViewportWidget w = (ViewportWidget)closure; - Widget child = w->viewport.child; - int pix = (long)call_data; - int x, y; - - if (child == NULL) - return; - - x = XtX(child) - (widget == w->viewport.horiz_bar ? pix : 0); - y = XtY(child) - (widget == w->viewport.vert_bar ? pix : 0); - MoveChild(w, x, y); -} - -/*ARGSUSED*/ -static void -ThumbProc(Widget widget, XtPointer closure, XtPointer call_data) -{ - ViewportWidget w = (ViewportWidget)closure; - Widget child = w->viewport.child; - float percent = *(float *)call_data; - int x, y; - - if (child == NULL) - return; - - if (widget == w->viewport.horiz_bar) - x = -percent * XtWidth(child); - else - x = XtX(child); - - if (widget == w->viewport.vert_bar) - y = -percent * XtHeight(child); - else - y = XtY(child); - - MoveChild(w, x, y); -} - -static XtGeometryResult -TestSmaller(ViewportWidget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply_return) -{ - if (request->width < XtWidth(w) || request->height < XtHeight(w)) - return (XtMakeGeometryRequest((Widget)w, request, reply_return)); - - return (XtGeometryYes); -} - -static XtGeometryResult -GeometryRequestPlusScrollbar(ViewportWidget w, Bool horizontal, - XtWidgetGeometry *request, - XtWidgetGeometry *reply_return) -{ - Widget sb; - XtWidgetGeometry plusScrollbars; - - plusScrollbars = *request; - if ((sb = w->viewport.horiz_bar) == NULL) - sb = CreateScrollbar(w, horizontal); - request->width += XtWidth(sb); - request->height += XtHeight(sb); - XtDestroyWidget(sb); - return (XtMakeGeometryRequest((Widget)w, &plusScrollbars, reply_return)); -} - -#define WidthChange() (request->width != XtWidth(w)) -#define HeightChange() (request->height != XtHeight(w)) -static XtGeometryResult -QueryGeometry(ViewportWidget w, XtWidgetGeometry *request, - XtWidgetGeometry *reply_return) -{ - if (w->viewport.allowhoriz && w->viewport.allowvert) - return (TestSmaller(w, request, reply_return)); - - else if (w->viewport.allowhoriz && !w->viewport.allowvert) { - if (WidthChange() && !HeightChange()) - return (TestSmaller(w, request, reply_return)); - else if (!WidthChange() && HeightChange()) - return (XtMakeGeometryRequest((Widget)w, request, reply_return)); - else if (WidthChange() && HeightChange()) - return (GeometryRequestPlusScrollbar(w, True, request, reply_return)); - else /* !WidthChange() && !HeightChange() */ - return (XtGeometryYes); - } - else if (!w->viewport.allowhoriz && w->viewport.allowvert) { - if (!WidthChange() && HeightChange()) - return (TestSmaller(w, request, reply_return)); - else if (WidthChange() && !HeightChange()) - return (XtMakeGeometryRequest((Widget)w, request, reply_return)); - else if (WidthChange() && HeightChange()) - return (GeometryRequestPlusScrollbar(w, False, request, reply_return)); - else /* !WidthChange() && !HeightChange() */ - return (XtGeometryYes); - } - else /* (!w->viewport.allowhoriz && !w->viewport.allowvert) */ - return (XtMakeGeometryRequest((Widget)w, request, reply_return)); -} -#undef WidthChange -#undef HeightChange - -static XtGeometryResult -XawViewportGeometryManager(Widget child, XtWidgetGeometry *request, - XtWidgetGeometry *reply) -{ - ViewportWidget w = (ViewportWidget)child->core.parent; - Bool rWidth = (request->request_mode & CWWidth) != 0; - Bool rHeight = (request->request_mode & CWHeight) != 0; - XtWidgetGeometry allowed; - XtGeometryResult result; - Bool reconfigured; - Bool child_changed_size; - unsigned int height_remaining; - - if (request->request_mode & XtCWQueryOnly) - return (QueryGeometry(w, request, reply)); - - if (child != w->viewport.child - || request->request_mode & ~(CWWidth | CWHeight | CWBorderWidth) - || ((request->request_mode & CWBorderWidth) - && request->border_width > 0)) - return (XtGeometryNo); - - allowed = *request; - - reconfigured = GetGeometry((Widget)w, - rWidth ? request->width : XtWidth(w), - rHeight ? request->height : XtHeight(w)); - - child_changed_size = (rWidth && XtWidth(child) != request->width) || - (rHeight && XtHeight(child) != request->height); - - height_remaining = XtHeight(w); - if (rWidth && XtWidth(w) != request->width) { - if (w->viewport.allowhoriz && request->width > XtWidth(w)) { - /* horizontal scrollbar will be needed so possibly reduce height */ - Widget bar; - - if ((bar = w->viewport.horiz_bar) == NULL) - bar = CreateScrollbar(w, True); - height_remaining -= XtHeight(bar) + XtBorderWidth(bar); - reconfigured = True; - } - else - allowed.width = XtWidth(w); - } - if (rHeight && height_remaining != request->height) { - if (w->viewport.allowvert && request->height > height_remaining) { - /* vertical scrollbar will be needed, so possibly reduce width */ - if (!w->viewport.allowhoriz || request->width < XtWidth(w)) { - Widget bar; - - if ((bar = w->viewport.vert_bar) == NULL) - bar = CreateScrollbar(w, False); - if (!rWidth) { - allowed.width = XtWidth(w); - allowed.request_mode |= CWWidth; - } - if (allowed.width > XtWidth(bar) + XtBorderWidth(bar)) - allowed.width -= XtWidth(bar) + XtBorderWidth(bar); - else - allowed.width = 1; - reconfigured = True; - } - } - else - allowed.height = height_remaining; - } - - if (allowed.width != request->width || allowed.height != request->height) { - *reply = allowed; - result = XtGeometryAlmost; - } - else { - if (rWidth) - XtWidth(child) = request->width; - if (rHeight) - XtHeight(child) = request->height; - result = XtGeometryYes; - } - - if (reconfigured || child_changed_size) - ComputeLayout((Widget)w, False, result == XtGeometryYes); - - return (result); -} - -static Bool -GetGeometry(Widget w, unsigned int width, unsigned int height) -{ - XtWidgetGeometry geometry, return_geom; - XtGeometryResult result; - - if (width == XtWidth(w) && height == XtHeight(w)) - return (False); - - geometry.request_mode = CWWidth | CWHeight; - geometry.width = width; - geometry.height = height; - - if (XtIsRealized(w)) { - if (((ViewportWidget)w)->viewport.allowhoriz && width > XtWidth(w)) - geometry.width = XtWidth(w); - if (((ViewportWidget)w)->viewport.allowvert && height > XtHeight(w)) - geometry.height = XtHeight(w); - } - else { - /* This is the Realize call; we'll inherit a w&h iff none currently */ - if (XtWidth(w) != 0) { - if (XtHeight(w) != 0) - return (False); - geometry.width = XtWidth(w); - } - if (XtHeight(w) != 0) - geometry.height = XtHeight(w); - } - - result = XtMakeGeometryRequest(w, &geometry, &return_geom); - if (result == XtGeometryAlmost) - result = XtMakeGeometryRequest(w, &return_geom, NULL); - - return (result == XtGeometryYes); -} - -static XtGeometryResult -XawViewportQueryGeometry(Widget w, XtWidgetGeometry *constraints, - XtWidgetGeometry *reply) -{ - if (((ViewportWidget)w)->viewport.child != NULL) - return (XtQueryGeometry(((ViewportWidget)w)->viewport.child, - constraints, reply)); - - return (XtGeometryYes); -} - -void -XawViewportSetLocation -( - Widget gw, -#if NeedWidePrototypes - double xoff, double yoff -#else - float xoff, float yoff -#endif - ) -{ - ViewportWidget w = (ViewportWidget)gw; - Widget child = w->viewport.child; - int x, y; - - if (xoff > 1.0) /* scroll to right */ - x = XtWidth(child); - else if (xoff < 0.0) /* if the offset is < 0.0 nothing */ - x = XtX(child); - else - x = (float)XtWidth(child) * xoff; - - if (yoff > 1.0) - y = XtHeight(child); - else if (yoff < 0.0) - y = XtY(child); - else - y = (float)XtHeight(child) * yoff; - - MoveChild (w, -x, -y); -} - -void -XawViewportSetCoordinates(Widget gw, -#if NeedWidePrototypes - int x, int y -#else - Position x, Position y -#endif -) -{ - ViewportWidget w = (ViewportWidget)gw; - Widget child = w->viewport.child; - - if (x > XtWidth(child)) - x = XtWidth(child); - else if (x < 0) - x = XtX(child); - - if (y > XtHeight(child)) - y = XtHeight(child); - else if (y < 0) - y = XtY(child); - - MoveChild (w, -x, -y); -} +/***********************************************************
+
+Copyright 1987, 1988, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Misc.h>
+#include <X11/Xaw/Scrollbar.h>
+#include <X11/Xaw/ViewportP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static Boolean Layout(FormWidget, unsigned int, unsigned int, Bool);
+static void XawViewportChangeManaged(Widget);
+static void XawViewportInitialize(Widget, Widget, ArgList, Cardinal*);
+static void
+XawViewportConstraintInitialize(Widget, Widget, ArgList, Cardinal*);
+static XtGeometryResult XawViewportGeometryManager(Widget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static XtGeometryResult XawViewportQueryGeometry(Widget,
+ XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void XawViewportRealize(Widget, XtValueMask*, XSetWindowAttributes*);
+static void XawViewportResize(Widget);
+static Boolean XawViewportSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void ComputeLayout(Widget, Bool, Bool);
+static void ComputeWithForceBars(Widget, Bool, XtWidgetGeometry*,
+ int*, int*);
+static Widget CreateScrollbar(ViewportWidget, Bool);
+static XtGeometryResult GeometryRequestPlusScrollbar(ViewportWidget, Bool,
+ XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static Bool GetGeometry(Widget, unsigned int, unsigned int);
+static void MoveChild(ViewportWidget, int, int);
+static XtGeometryResult QueryGeometry(ViewportWidget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void RedrawThumbs(ViewportWidget);
+static void ScrollUpDownProc(Widget, XtPointer, XtPointer);
+static void SendReport(ViewportWidget, unsigned int);
+static void SetBar(Widget, int, unsigned int, unsigned int);
+static XtGeometryResult TestSmaller(ViewportWidget, XtWidgetGeometry*,
+ XtWidgetGeometry*);
+static void ThumbProc(Widget, XtPointer, XtPointer);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(ViewportRec, viewport.field)
+static XtResource resources[] = {
+ {
+ XtNforceBars,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(forcebars),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNallowHoriz,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(allowhoriz),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNallowVert,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(allowvert),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNuseBottom,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(usebottom),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNuseRight,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(useright),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNreportCallback,
+ XtCReportCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(report_callbacks),
+ XtRImmediate,
+ NULL
+ },
+};
+#undef offset
+
+#define Superclass (&formClassRec)
+ViewportClassRec viewportClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Viewport", /* class_name */
+ sizeof(ViewportRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_init */
+ False, /* class_inited */
+ XawViewportInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XawViewportRealize, /* realize */
+ NULL, /* actions */
+ 0, /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ NULL, /* destroy */
+ XawViewportResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawViewportSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ NULL, /* tm_table */
+ XawViewportQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* composite */
+ {
+ XawViewportGeometryManager, /* geometry_manager */
+ XawViewportChangeManaged, /* change_managed */
+ XtInheritInsertChild, /* insert_child */
+ XtInheritDeleteChild, /* delete_child */
+ NULL, /* extension */
+ },
+ /* constraint */
+ {
+ NULL, /* subresourses */
+ 0, /* subresource_count */
+ sizeof(ViewportConstraintsRec), /* constraint_size */
+ XawViewportConstraintInitialize, /* initialize */
+ NULL, /* destroy */
+ NULL, /* set_values */
+ NULL, /* extension */
+ },
+ /* form */
+ {
+ Layout, /* layout */
+ },
+ /* viewport */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass viewportWidgetClass = (WidgetClass)&viewportClassRec;
+
+/*
+ * Implementation
+ */
+static Widget
+CreateScrollbar(ViewportWidget w, Bool horizontal)
+{
+ static Arg barArgs[] = {
+ {XtNorientation, 0},
+ {XtNlength, 0},
+ {XtNleft, 0},
+ {XtNright, 0},
+ {XtNtop, 0},
+ {XtNbottom, 0},
+ {XtNmappedWhenManaged, False},
+ };
+ Widget clip = w->viewport.clip;
+ ViewportConstraints constraints =
+ (ViewportConstraints)clip->core.constraints;
+ Widget bar;
+
+ XtSetArg(barArgs[0], XtNorientation,
+ horizontal ? XtorientHorizontal : XtorientVertical);
+ XtSetArg(barArgs[1], XtNlength,
+ horizontal ? XtWidth(clip) : XtHeight(clip));
+ XtSetArg(barArgs[2], XtNleft,
+ !horizontal && w->viewport.useright ? XtChainRight : XtChainLeft);
+ XtSetArg(barArgs[3], XtNright,
+ !horizontal && !w->viewport.useright ? XtChainLeft : XtChainRight);
+ XtSetArg(barArgs[4], XtNtop,
+ horizontal && w->viewport.usebottom ? XtChainBottom: XtChainTop);
+ XtSetArg(barArgs[5], XtNbottom,
+ horizontal && !w->viewport.usebottom ? XtChainTop: XtChainBottom);
+
+ bar = XtCreateWidget(horizontal ? "horizontal" : "vertical",
+ scrollbarWidgetClass, (Widget)w,
+ barArgs, XtNumber(barArgs));
+ XtAddCallback(bar, XtNscrollProc, ScrollUpDownProc, (XtPointer)w);
+ XtAddCallback(bar, XtNjumpProc, ThumbProc, (XtPointer)w);
+
+ if (horizontal) {
+ w->viewport.horiz_bar = bar;
+ constraints->form.vert_base = bar;
+ }
+ else {
+ w->viewport.vert_bar = bar;
+ constraints->form.horiz_base = bar;
+ }
+
+ XtManageChild(bar);
+
+ return (bar);
+}
+
+/*ARGSUSED*/
+static void
+XawViewportInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ViewportWidget w = (ViewportWidget)cnew;
+ static Arg clip_args[8];
+ Cardinal arg_cnt;
+ Widget h_bar, v_bar;
+ Dimension clip_height, clip_width;
+
+ w->form.default_spacing = 0; /* Reset the default spacing to 0 pixels */
+
+ /*
+ * Initialize all widget pointers to NULL
+ */
+ w->viewport.child = NULL;
+ w->viewport.horiz_bar = w->viewport.vert_bar = NULL;
+
+ /*
+ * Create Clip Widget
+ */
+ arg_cnt = 0;
+ XtSetArg(clip_args[arg_cnt], XtNbackgroundPixmap, None); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNborderWidth, 0); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNleft, XtChainLeft); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNright, XtChainRight); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNtop, XtChainTop); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNbottom, XtChainBottom); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNwidth, XtWidth(w)); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNheight, XtHeight(w)); arg_cnt++;
+
+ w->viewport.clip = XtCreateManagedWidget("clip", widgetClass, cnew,
+ clip_args, arg_cnt);
+
+ if (!w->viewport.forcebars)
+ return; /* If we are not forcing the bars then we are done */
+
+ if (w->viewport.allowhoriz)
+ (void)CreateScrollbar(w, True);
+ if (w->viewport.allowvert)
+ (void)CreateScrollbar(w, False);
+
+ h_bar = w->viewport.horiz_bar;
+ v_bar = w->viewport.vert_bar;
+
+ /*
+ * Set the clip widget to the correct height
+ */
+ clip_width = XtWidth(w);
+ clip_height = XtHeight(w);
+
+ if (h_bar != NULL && XtWidth(w) > XtWidth(h_bar) + XtBorderWidth(h_bar))
+ clip_width -= XtWidth(h_bar) + XtBorderWidth(h_bar);
+
+ if (v_bar != NULL && XtHeight(w) > XtHeight(v_bar) + XtBorderWidth(v_bar))
+ clip_height -= XtHeight(v_bar) + XtBorderWidth(v_bar);
+
+ arg_cnt = 0;
+ XtSetArg(clip_args[arg_cnt], XtNwidth, clip_width); arg_cnt++;
+ XtSetArg(clip_args[arg_cnt], XtNheight, clip_height); arg_cnt++;
+ XtSetValues(w->viewport.clip, clip_args, arg_cnt);
+}
+
+/*ARGSUSED*/
+static void
+XawViewportConstraintInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ((ViewportConstraints)cnew->core.constraints)->viewport.reparented = False;
+}
+
+static void
+XawViewportRealize(Widget widget, XtValueMask *value_mask,
+ XSetWindowAttributes *attributes)
+{
+ ViewportWidget w = (ViewportWidget)widget;
+ Widget child = w->viewport.child;
+ Widget clip = w->viewport.clip;
+
+ *value_mask |= CWBitGravity;
+ attributes->bit_gravity = NorthWestGravity;
+ (*Superclass->core_class.realize)(widget, value_mask, attributes);
+
+ (*w->core.widget_class->core_class.resize)(widget); /* turn on bars */
+
+ if (child != NULL) {
+ XtMoveWidget(child, 0, 0);
+ XtRealizeWidget(clip);
+ XtRealizeWidget(child);
+ XReparentWindow(XtDisplay(w), XtWindow(child), XtWindow(clip), 0, 0);
+ XtMapWidget(child);
+ }
+}
+
+/*ARGSUSED*/
+static Boolean
+XawViewportSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ ViewportWidget w = (ViewportWidget)cnew;
+ ViewportWidget cw = (ViewportWidget)current;
+
+ if (w->viewport.forcebars != cw->viewport.forcebars
+ || w->viewport.allowvert != cw->viewport.allowvert
+ || w->viewport.allowhoriz != cw->viewport.allowhoriz
+ || w->viewport.useright != cw->viewport.useright
+ || w->viewport.usebottom != cw->viewport.usebottom)
+ (*w->core.widget_class->core_class.resize)(cnew); /* Recompute layout */
+
+ return (False);
+}
+
+static void
+XawViewportChangeManaged(Widget widget)
+{
+ ViewportWidget w = (ViewportWidget)widget;
+ int num_children = w->composite.num_children;
+ Widget child, *childP;
+ int i;
+
+ child = NULL;
+ for (childP = w->composite.children,
+ i = 0; i < num_children;
+ childP++, i++) {
+ if (XtIsManaged(*childP)
+ && *childP != w->viewport.clip
+ && *childP != w->viewport.horiz_bar
+ && *childP != w->viewport.vert_bar) {
+ child = *childP;
+ break;
+ }
+ }
+
+ if (child != w->viewport.child) {
+ w->viewport.child = child;
+ if (child != NULL) {
+ XtResizeWidget(child, XtWidth(child), XtHeight(child), 0);
+ if (XtIsRealized(widget)) {
+ ViewportConstraints constraints =
+ (ViewportConstraints)child->core.constraints;
+ if (!XtIsRealized(child)) {
+ Window window = XtWindow(w);
+
+ XtMoveWidget(child, 0, 0);
+ w->core.window = XtWindow(w->viewport.clip);
+ XtRealizeWidget(child);
+ w->core.window = window;
+ constraints->viewport.reparented = True;
+ }
+ else if (!constraints->viewport.reparented) {
+ XReparentWindow(XtDisplay(w), XtWindow(child),
+ XtWindow(w->viewport.clip), 0, 0);
+ constraints->viewport.reparented = True;
+ if (child->core.mapped_when_managed)
+ XtMapWidget(child);
+ }
+ }
+ GetGeometry(widget, XtWidth(child), XtHeight(child));
+ (*((ViewportWidgetClass)w->core.widget_class)->form_class.layout)
+ ((FormWidget)w, XtWidth(w), XtHeight(w), True /* True? */);
+ }
+ }
+
+#ifdef notdef
+ (*Superclass->composite_class.change_managed)(widget);
+#endif
+}
+
+static void
+SetBar(Widget w, int top, unsigned int length, unsigned int total)
+{
+ XawScrollbarSetThumb(w, (float)top / (float)total,
+ (float)length / (float)total);
+}
+
+static void
+RedrawThumbs(ViewportWidget w)
+{
+ Widget child = w->viewport.child;
+ Widget clip = w->viewport.clip;
+
+ if (w->viewport.horiz_bar != NULL)
+ SetBar(w->viewport.horiz_bar, -(int)XtX(child),
+ XtWidth(clip), XtWidth(child));
+
+ if (w->viewport.vert_bar != NULL)
+ SetBar(w->viewport.vert_bar, -(int)XtY(child),
+ XtHeight(clip), XtHeight(child));
+}
+
+static void
+SendReport(ViewportWidget w, unsigned int changed)
+{
+ XawPannerReport rep;
+
+ if (w->viewport.report_callbacks) {
+ Widget child = w->viewport.child;
+ Widget clip = w->viewport.clip;
+
+ rep.changed = changed;
+ rep.slider_x = -XtX(child); /* child is canvas */
+ rep.slider_y = -XtY(child); /* clip is slider */
+ rep.slider_width = XtWidth(clip);
+ rep.slider_height = XtHeight(clip);
+ rep.canvas_width = XtWidth(child);
+ rep.canvas_height = XtHeight(child);
+ XtCallCallbackList((Widget)w, w->viewport.report_callbacks,
+ (XtPointer)&rep);
+ }
+}
+
+static void
+MoveChild(ViewportWidget w, int x, int y)
+{
+ Widget child = w->viewport.child;
+ Widget clip = w->viewport.clip;
+
+ /* make sure we never move past right/bottom borders */
+ if (-x + (int)XtWidth(clip) > XtWidth(child))
+ x = -(int)(XtWidth(child) - XtWidth(clip));
+
+ if (-y + (int)XtHeight(clip) > XtHeight(child))
+ y = -(int)(XtHeight(child) - XtHeight(clip));
+
+ /* make sure we never move past left/top borders */
+ if (x >= 0)
+ x = 0;
+ if (y >= 0)
+ y = 0;
+
+ XtMoveWidget(child, x, y);
+ SendReport(w, (XawPRSliderX | XawPRSliderY));
+
+ RedrawThumbs(w);
+}
+
+static void
+ComputeLayout(Widget widget, Bool query, Bool destroy_scrollbars)
+{
+ ViewportWidget w = (ViewportWidget)widget;
+ Widget child = w->viewport.child;
+ Widget clip = w->viewport.clip;
+ ViewportConstraints constraints =
+ (ViewportConstraints)clip->core.constraints;
+ Bool needshoriz, needsvert;
+ int clip_width, clip_height;
+ XtWidgetGeometry intended;
+
+ if (child == NULL)
+ return;
+
+ clip_width = XtWidth(w);
+ clip_height = XtHeight(w);
+ intended.request_mode = CWBorderWidth;
+ intended.border_width = 0;
+
+ if (w->viewport.forcebars) {
+ needsvert = w->viewport.allowvert;
+ needshoriz = w->viewport.allowhoriz;
+ ComputeWithForceBars(widget, query, &intended,
+ &clip_width, &clip_height);
+ }
+ else {
+ Dimension prev_width, prev_height;
+ XtGeometryMask prev_mode;
+ XtWidgetGeometry preferred;
+
+ needshoriz = needsvert = False;
+
+ /*
+ * intended.{width,height} caches the eventual child dimensions,
+ * but we don't set the mode bits until after we decide that the
+ * child's preferences are not acceptable
+ */
+ if (!w->viewport.allowhoriz)
+ intended.request_mode |= CWWidth;
+
+ if (XtWidth(child) < clip_width)
+ intended.width = clip_width;
+ else
+ intended.width = XtWidth(child);
+
+ if (XtHeight(child) < clip_height)
+ intended.height = clip_height;
+ else
+ intended.height = XtHeight(child);
+
+ if (!w->viewport.allowvert)
+ intended.request_mode |= CWHeight;
+
+ if (!query) {
+ preferred.width = XtWidth(child);
+ preferred.height = XtHeight(child);
+ }
+ do { /* while intended != prev */
+ if (query) {
+ (void)XtQueryGeometry(child, &intended, &preferred);
+ if (!(preferred.request_mode & CWWidth))
+ preferred.width = intended.width;
+ if (!(preferred.request_mode & CWHeight))
+ preferred.height = intended.height;
+ }
+ prev_width = intended.width;
+ prev_height = intended.height;
+ prev_mode = intended.request_mode;
+ /*
+ * note that having once decided to turn on either bar
+ * we'll not change our mind until we're next resized,
+ * thus avoiding potential oscillations
+ */
+#define CheckHoriz() \
+ if (w->viewport.allowhoriz && \
+ preferred.width > clip_width) { \
+ if (!needshoriz) { \
+ Widget bar; \
+ \
+ needshoriz = True; \
+ if ((bar = w->viewport.horiz_bar) == NULL) \
+ bar = CreateScrollbar(w, True); \
+ clip_height -= XtHeight(bar) + XtBorderWidth(bar); \
+ if (clip_height < 1) \
+ clip_height = 1; \
+ } \
+ intended.width = preferred.width; \
+ }
+
+ CheckHoriz();
+ if (w->viewport.allowvert && preferred.height > clip_height) {
+ if (!needsvert) {
+ Widget bar;
+ needsvert = True;
+ if ((bar = w->viewport.vert_bar) == NULL)
+ bar = CreateScrollbar(w, False);
+ clip_width -= XtWidth(bar) + XtBorderWidth(bar);
+ if (clip_width < 1)
+ clip_width = 1;
+ CheckHoriz();
+ }
+ intended.height = preferred.height;
+ }
+ if (!w->viewport.allowhoriz || preferred.width < clip_width) {
+ intended.width = clip_width;
+ intended.request_mode |= CWWidth;
+ }
+ if (!w->viewport.allowvert || preferred.height < clip_height) {
+ intended.height = clip_height;
+ intended.request_mode |= CWHeight;
+ }
+ } while (intended.request_mode != prev_mode
+ || (intended.request_mode & CWWidth
+ && intended.width != prev_width)
+ || (intended.request_mode & CWHeight
+ && intended.height != prev_height));
+ }
+
+ if (XtIsRealized(clip))
+ XRaiseWindow(XtDisplay(clip), XtWindow(clip));
+
+ XtMoveWidget(clip,
+ needsvert ? w->viewport.useright ? 0 :
+ XtWidth(w->viewport.vert_bar)
+ + XtBorderWidth(w->viewport.vert_bar) : 0,
+ needshoriz ? w->viewport.usebottom ? 0 :
+ XtHeight(w->viewport.horiz_bar)
+ + XtBorderWidth(w->viewport.horiz_bar) : 0);
+ XtResizeWidget(clip, clip_width, clip_height, 0);
+
+ if (w->viewport.horiz_bar != NULL) {
+ Widget bar = w->viewport.horiz_bar;
+
+ if (!needshoriz) {
+ constraints->form.vert_base = NULL;
+ if (destroy_scrollbars) {
+ XtDestroyWidget(bar);
+ w->viewport.horiz_bar = NULL;
+ }
+ }
+ else {
+ int bw = XtBorderWidth(bar);
+
+ XtResizeWidget(bar, clip_width, XtHeight(bar), bw);
+ XtMoveWidget(bar,
+ needsvert && !w->viewport.useright
+ ? XtWidth(w->viewport.vert_bar) : -bw,
+ w->viewport.usebottom
+ ? XtHeight(w) - XtHeight(bar) - bw : -bw);
+ XtSetMappedWhenManaged(bar, True);
+ }
+ }
+
+ if (w->viewport.vert_bar != NULL) {
+ Widget bar = w->viewport.vert_bar;
+
+ if (!needsvert) {
+ constraints->form.horiz_base = NULL;
+ if (destroy_scrollbars) {
+ XtDestroyWidget(bar);
+ w->viewport.vert_bar = NULL;
+ }
+ }
+ else {
+ int bw = bar->core.border_width;
+
+ XtResizeWidget(bar, XtWidth(bar), clip_height, bw);
+ XtMoveWidget(bar,
+ w->viewport.useright
+ ? XtWidth(w) - XtWidth(bar) - bw : -bw,
+ needshoriz && !w->viewport.usebottom
+ ? XtHeight(w->viewport.horiz_bar) : -bw);
+ XtSetMappedWhenManaged(bar, True);
+ }
+ }
+
+ if (child != NULL) {
+ XtResizeWidget(child, intended.width, intended.height, 0);
+ MoveChild(w, needshoriz ? XtX(child) : 0, needsvert ? XtY(child) : 0);
+ }
+
+ SendReport (w, XawPRAll);
+}
+
+/*
+ * Function:
+ * ComputeWithForceBars
+ *
+ * Parameters:
+ * widget - viewport widget
+ * query - whether or not to query the child
+ * intended - cache of the childs height is stored here
+ * (used and returned)
+ * clip_width - size of clip window (used and returned)
+ * clip_height - ""
+ *
+ * Description:
+ * Computes the layout give forcebars is set.
+ */
+static void
+ComputeWithForceBars(Widget widget, Bool query, XtWidgetGeometry *intended,
+ int *clip_width, int *clip_height)
+{
+ ViewportWidget w = (ViewportWidget)widget;
+ Widget child = w->viewport.child;
+ XtWidgetGeometry preferred;
+
+ /*
+ * If forcebars then needs = allows = has
+ * Thus if needsvert is set it MUST have a scrollbar
+ */
+ if (w->viewport.allowvert) {
+ if (w->viewport.vert_bar == NULL)
+ w->viewport.vert_bar = CreateScrollbar(w, False);
+
+ *clip_width -= XtWidth(w->viewport.vert_bar) +
+ XtBorderWidth(w->viewport.vert_bar);
+ }
+
+ if (w->viewport.allowhoriz) {
+ if (w->viewport.horiz_bar == NULL)
+ w->viewport.horiz_bar = CreateScrollbar(w, True);
+
+ *clip_height -= XtHeight(w->viewport.horiz_bar) +
+ XtBorderWidth(w->viewport.horiz_bar);
+ }
+
+ AssignMax(*clip_width, 1);
+ AssignMax(*clip_height, 1);
+
+ if (!w->viewport.allowvert) {
+ intended->height = *clip_height;
+ intended->request_mode = CWHeight;
+ }
+ if (!w->viewport.allowhoriz) {
+ intended->width = *clip_width;
+ intended->request_mode = CWWidth;
+ }
+
+ if (query) {
+ if (w->viewport.allowvert || w->viewport.allowhoriz) {
+ XtQueryGeometry(child, intended, &preferred);
+
+ if (!(intended->request_mode & CWWidth)) {
+ if (preferred.request_mode & CWWidth)
+ intended->width = preferred.width;
+ else
+ intended->width = XtWidth(child);
+ }
+
+ if (!(intended->request_mode & CWHeight)) {
+ if (preferred.request_mode & CWHeight)
+ intended->height = preferred.height;
+ else
+ intended->height = XtHeight(child);
+ }
+ }
+ }
+ else {
+ if (w->viewport.allowvert)
+ intended->height = XtHeight(child);
+ if (w->viewport.allowhoriz)
+ intended->width = XtWidth(child);
+ }
+
+ if (*clip_width > (int)intended->width)
+ intended->width = *clip_width;
+ if (*clip_height > (int)intended->height)
+ intended->height = *clip_height;
+}
+
+static void
+XawViewportResize(Widget widget)
+{
+ ComputeLayout(widget, True, True);
+}
+
+/*ARGSUSED*/
+static Boolean
+Layout(FormWidget w, unsigned int width, unsigned int height, Bool force)
+{
+ ComputeLayout((Widget)w, True, True);
+ w->form.preferred_width = XtWidth(w);
+ w->form.preferred_height = XtHeight(w);
+
+ return (False);
+}
+
+static void
+ScrollUpDownProc(Widget widget, XtPointer closure, XtPointer call_data)
+{
+ ViewportWidget w = (ViewportWidget)closure;
+ Widget child = w->viewport.child;
+ int pix = (long)call_data;
+ int x, y;
+
+ if (child == NULL)
+ return;
+
+ x = XtX(child) - (widget == w->viewport.horiz_bar ? pix : 0);
+ y = XtY(child) - (widget == w->viewport.vert_bar ? pix : 0);
+ MoveChild(w, x, y);
+}
+
+/*ARGSUSED*/
+static void
+ThumbProc(Widget widget, XtPointer closure, XtPointer call_data)
+{
+ ViewportWidget w = (ViewportWidget)closure;
+ Widget child = w->viewport.child;
+ float percent = *(float *)call_data;
+ int x, y;
+
+ if (child == NULL)
+ return;
+
+ if (widget == w->viewport.horiz_bar)
+ x = -percent * XtWidth(child);
+ else
+ x = XtX(child);
+
+ if (widget == w->viewport.vert_bar)
+ y = -percent * XtHeight(child);
+ else
+ y = XtY(child);
+
+ MoveChild(w, x, y);
+}
+
+static XtGeometryResult
+TestSmaller(ViewportWidget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply_return)
+{
+ if (request->width < XtWidth(w) || request->height < XtHeight(w))
+ return (XtMakeGeometryRequest((Widget)w, request, reply_return));
+
+ return (XtGeometryYes);
+}
+
+static XtGeometryResult
+GeometryRequestPlusScrollbar(ViewportWidget w, Bool horizontal,
+ XtWidgetGeometry *request,
+ XtWidgetGeometry *reply_return)
+{
+ Widget sb;
+ XtWidgetGeometry plusScrollbars;
+
+ plusScrollbars = *request;
+ if ((sb = w->viewport.horiz_bar) == NULL)
+ sb = CreateScrollbar(w, horizontal);
+ request->width += XtWidth(sb);
+ request->height += XtHeight(sb);
+ XtDestroyWidget(sb);
+ return (XtMakeGeometryRequest((Widget)w, &plusScrollbars, reply_return));
+}
+
+#define WidthChange() (request->width != XtWidth(w))
+#define HeightChange() (request->height != XtHeight(w))
+static XtGeometryResult
+QueryGeometry(ViewportWidget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply_return)
+{
+ if (w->viewport.allowhoriz && w->viewport.allowvert)
+ return (TestSmaller(w, request, reply_return));
+
+ else if (w->viewport.allowhoriz && !w->viewport.allowvert) {
+ if (WidthChange() && !HeightChange())
+ return (TestSmaller(w, request, reply_return));
+ else if (!WidthChange() && HeightChange())
+ return (XtMakeGeometryRequest((Widget)w, request, reply_return));
+ else if (WidthChange() && HeightChange())
+ return (GeometryRequestPlusScrollbar(w, True, request, reply_return));
+ else /* !WidthChange() && !HeightChange() */
+ return (XtGeometryYes);
+ }
+ else if (!w->viewport.allowhoriz && w->viewport.allowvert) {
+ if (!WidthChange() && HeightChange())
+ return (TestSmaller(w, request, reply_return));
+ else if (WidthChange() && !HeightChange())
+ return (XtMakeGeometryRequest((Widget)w, request, reply_return));
+ else if (WidthChange() && HeightChange())
+ return (GeometryRequestPlusScrollbar(w, False, request, reply_return));
+ else /* !WidthChange() && !HeightChange() */
+ return (XtGeometryYes);
+ }
+ else /* (!w->viewport.allowhoriz && !w->viewport.allowvert) */
+ return (XtMakeGeometryRequest((Widget)w, request, reply_return));
+}
+#undef WidthChange
+#undef HeightChange
+
+static XtGeometryResult
+XawViewportGeometryManager(Widget child, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply)
+{
+ ViewportWidget w = (ViewportWidget)child->core.parent;
+ Bool rWidth = (request->request_mode & CWWidth) != 0;
+ Bool rHeight = (request->request_mode & CWHeight) != 0;
+ XtWidgetGeometry allowed;
+ XtGeometryResult result;
+ Bool reconfigured;
+ Bool child_changed_size;
+ unsigned int height_remaining;
+
+ if (request->request_mode & XtCWQueryOnly)
+ return (QueryGeometry(w, request, reply));
+
+ if (child != w->viewport.child
+ || request->request_mode & ~(CWWidth | CWHeight | CWBorderWidth)
+ || ((request->request_mode & CWBorderWidth)
+ && request->border_width > 0))
+ return (XtGeometryNo);
+
+ allowed = *request;
+
+ reconfigured = GetGeometry((Widget)w,
+ rWidth ? request->width : XtWidth(w),
+ rHeight ? request->height : XtHeight(w));
+
+ child_changed_size = (rWidth && XtWidth(child) != request->width) ||
+ (rHeight && XtHeight(child) != request->height);
+
+ height_remaining = XtHeight(w);
+ if (rWidth && XtWidth(w) != request->width) {
+ if (w->viewport.allowhoriz && request->width > XtWidth(w)) {
+ /* horizontal scrollbar will be needed so possibly reduce height */
+ Widget bar;
+
+ if ((bar = w->viewport.horiz_bar) == NULL)
+ bar = CreateScrollbar(w, True);
+ height_remaining -= XtHeight(bar) + XtBorderWidth(bar);
+ reconfigured = True;
+ }
+ else
+ allowed.width = XtWidth(w);
+ }
+ if (rHeight && height_remaining != request->height) {
+ if (w->viewport.allowvert && request->height > height_remaining) {
+ /* vertical scrollbar will be needed, so possibly reduce width */
+ if (!w->viewport.allowhoriz || request->width < XtWidth(w)) {
+ Widget bar;
+
+ if ((bar = w->viewport.vert_bar) == NULL)
+ bar = CreateScrollbar(w, False);
+ if (!rWidth) {
+ allowed.width = XtWidth(w);
+ allowed.request_mode |= CWWidth;
+ }
+ if (allowed.width > XtWidth(bar) + XtBorderWidth(bar))
+ allowed.width -= XtWidth(bar) + XtBorderWidth(bar);
+ else
+ allowed.width = 1;
+ reconfigured = True;
+ }
+ }
+ else
+ allowed.height = height_remaining;
+ }
+
+ if (allowed.width != request->width || allowed.height != request->height) {
+ *reply = allowed;
+ result = XtGeometryAlmost;
+ }
+ else {
+ if (rWidth)
+ XtWidth(child) = request->width;
+ if (rHeight)
+ XtHeight(child) = request->height;
+ result = XtGeometryYes;
+ }
+
+ if (reconfigured || child_changed_size)
+ ComputeLayout((Widget)w, False, result == XtGeometryYes);
+
+ return (result);
+}
+
+static Bool
+GetGeometry(Widget w, unsigned int width, unsigned int height)
+{
+ XtWidgetGeometry geometry, return_geom;
+ XtGeometryResult result;
+
+ if (width == XtWidth(w) && height == XtHeight(w))
+ return (False);
+
+ geometry.request_mode = CWWidth | CWHeight;
+ geometry.width = width;
+ geometry.height = height;
+
+ if (XtIsRealized(w)) {
+ if (((ViewportWidget)w)->viewport.allowhoriz && width > XtWidth(w))
+ geometry.width = XtWidth(w);
+ if (((ViewportWidget)w)->viewport.allowvert && height > XtHeight(w))
+ geometry.height = XtHeight(w);
+ }
+ else {
+ /* This is the Realize call; we'll inherit a w&h iff none currently */
+ if (XtWidth(w) != 0) {
+ if (XtHeight(w) != 0)
+ return (False);
+ geometry.width = XtWidth(w);
+ }
+ if (XtHeight(w) != 0)
+ geometry.height = XtHeight(w);
+ }
+
+ result = XtMakeGeometryRequest(w, &geometry, &return_geom);
+ if (result == XtGeometryAlmost)
+ result = XtMakeGeometryRequest(w, &return_geom, NULL);
+
+ return (result == XtGeometryYes);
+}
+
+static XtGeometryResult
+XawViewportQueryGeometry(Widget w, XtWidgetGeometry *constraints,
+ XtWidgetGeometry *reply)
+{
+ if (((ViewportWidget)w)->viewport.child != NULL)
+ return (XtQueryGeometry(((ViewportWidget)w)->viewport.child,
+ constraints, reply));
+
+ return (XtGeometryYes);
+}
+
+void
+XawViewportSetLocation
+(
+ Widget gw,
+#if NeedWidePrototypes
+ double xoff, double yoff
+#else
+ float xoff, float yoff
+#endif
+ )
+{
+ ViewportWidget w = (ViewportWidget)gw;
+ Widget child = w->viewport.child;
+ int x, y;
+
+ if (xoff > 1.0) /* scroll to right */
+ x = XtWidth(child);
+ else if (xoff < 0.0) /* if the offset is < 0.0 nothing */
+ x = XtX(child);
+ else
+ x = (float)XtWidth(child) * xoff;
+
+ if (yoff > 1.0)
+ y = XtHeight(child);
+ else if (yoff < 0.0)
+ y = XtY(child);
+ else
+ y = (float)XtHeight(child) * yoff;
+
+ MoveChild (w, -x, -y);
+}
+
+void
+XawViewportSetCoordinates(Widget gw,
+#if NeedWidePrototypes
+ int x, int y
+#else
+ Position x, Position y
+#endif
+)
+{
+ ViewportWidget w = (ViewportWidget)gw;
+ Widget child = w->viewport.child;
+
+ if (x > XtWidth(child))
+ x = XtWidth(child);
+ else if (x < 0)
+ x = XtX(child);
+
+ if (y > XtHeight(child))
+ y = XtHeight(child);
+ else if (y < 0)
+ y = XtY(child);
+
+ MoveChild (w, -x, -y);
+}
diff --git a/libXaw/src/XawI18n.c b/libXaw/src/XawI18n.c index 9a49521a9..38483f40e 100644 --- a/libXaw/src/XawI18n.c +++ b/libXaw/src/XawI18n.c @@ -1,105 +1,105 @@ -/* Copyright 1991 NCR Corporation - Dayton, Ohio, USA */ - -/* - * Copyright 1990, 1991 by OMRON Corporation, NTT Software Corporation, - * and Nippon Telegraph and Telephone Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the names of OMRON, NTT Software, and NTT - * not be used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. OMRON, NTT Software, - * and NTT make no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * OMRON, NTT SOFTWARE, AND NTT, DISCLAIM ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL OMRON, NTT SOFTWARE, OR NTT BE - * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Li Yuhong OMRON Corporation - */ - -/* - -Copyright 1991, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include "XawI18n.h" - -wchar_t -#if NeedWidePrototypes -_Xaw_atowc(int c) -#else -_Xaw_atowc(unsigned char c) -#endif -{ - wchar_t wc; - char str[2]; - - str[0] = c; - str[1] = '\0'; - - mbtowc(&wc, str, 1); - - return (wc); -} - -#ifdef NCR -int -_Xaw_iswspace(wchar_t w) -{ - int ret = 0; - wchar_t s = _Xaw_atowc(' '); - - if (s == w) - ret = 1; - - return (ret); -} -#endif - -int -_Xaw_iswalnum(wchar_t ch) -{ -#ifdef HAVE_ISWALNUM - return iswalnum(ch); -#else - unsigned char mb[MB_LEN_MAX]; - - wctomb((char*)mb, ch); - - return (isalnum(*mb)); -#endif -} +/* Copyright 1991 NCR Corporation - Dayton, Ohio, USA */
+
+/*
+ * Copyright 1990, 1991 by OMRON Corporation, NTT Software Corporation,
+ * and Nippon Telegraph and Telephone Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the names of OMRON, NTT Software, and NTT
+ * not be used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission. OMRON, NTT Software,
+ * and NTT make no representations about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ *
+ * OMRON, NTT SOFTWARE, AND NTT, DISCLAIM ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL OMRON, NTT SOFTWARE, OR NTT BE
+ * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Li Yuhong OMRON Corporation
+ */
+
+/*
+
+Copyright 1991, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include "XawI18n.h"
+
+wchar_t
+#if NeedWidePrototypes
+_Xaw_atowc(int c)
+#else
+_Xaw_atowc(unsigned char c)
+#endif
+{
+ wchar_t wc;
+ char str[2];
+
+ str[0] = c;
+ str[1] = '\0';
+
+ mbtowc(&wc, str, 1);
+
+ return (wc);
+}
+
+#ifdef NCR
+int
+_Xaw_iswspace(wchar_t w)
+{
+ int ret = 0;
+ wchar_t s = _Xaw_atowc(' ');
+
+ if (s == w)
+ ret = 1;
+
+ return (ret);
+}
+#endif
+
+int
+_Xaw_iswalnum(wchar_t ch)
+{
+#ifdef HAVE_ISWALNUM
+ return iswalnum(ch);
+#else
+ unsigned char mb[MB_LEN_MAX];
+
+ wctomb((char*)mb, ch);
+
+ return (isalnum(*mb));
+#endif
+}
diff --git a/libXaw/src/XawI18n.h b/libXaw/src/XawI18n.h index d50171cfb..6a9064a3a 100644 --- a/libXaw/src/XawI18n.h +++ b/libXaw/src/XawI18n.h @@ -1,118 +1,118 @@ -/************************************************************ - -Copyright 1993, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -********************************************************/ - -#ifdef HAVE_WCTYPE_H -#include <wctype.h> -#ifdef HAVE_WIDEC_H -#include <widec.h> -#define wcslen(c) wslen(c) -#define wcscpy(d, s) wscpy(d, s) -#define wcsncpy(d, s, l) wsncpy(d, s, l) -#endif -#endif - -#ifdef HAVE_WCHAR_H -#include <wchar.h> -#endif - -#if defined(AIXV3) || defined(__SCO__) -#include <ctype.h> -#endif - -#ifdef NCR -#define iswspace(c) _Xaw_iswspace(c) -int _Xaw_iswspace -( - wchar_t c - ); -#endif - -#ifdef sony -#ifndef SVR4 -#include <jctype.h> -#define iswspace(c) jisspace(c) -#endif -#endif - -#ifdef QNX4 -#define toascii( c ) ((unsigned)(c) & 0x007f) -#endif - -#include <stdlib.h> - -#ifdef USE_XWCHAR_STRING -int _Xwcslen -( - wchar_t *wstr - ); - -#define wcslen(c) _Xwcslen(c) - -wchar_t *_Xwcscpy -( - wchar_t *wstr1, - wchar_t *wstr2 - ); - -#define wcscpy(d,s) _Xwcscpy(d,s) - -wchar_t *_Xwcsncpy -( - wchar_t *wstr1, - wchar_t *wstr2, - int len - ); - -#define wcsncpy(d, s, l) _Xwcsncpy(d, s, l) - -#ifdef USE_XMBTOWC -#define mbtowc(wc, s, l) _Xmbtowc(wc, s, l) -#endif -#endif - -wchar_t _Xaw_atowc -( -#if NeedWidePrototypes - int c -#else - unsigned char c -#endif - ); - -#ifndef HAS_ISW_FUNCS -#include <ctype.h> -#ifndef iswspace -#define iswspace(c) (isascii(c) && isspace(toascii(c))) -#endif -#endif - -#if !defined(iswalnum) && !defined(HAVE_ISWALNUM) -#define iswalnum(c) _Xaw_iswalnum(c) -#endif -int _Xaw_iswalnum -( - wchar_t c - ); +/************************************************************
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+********************************************************/
+
+#ifdef HAVE_WCTYPE_H
+#include <wctype.h>
+#ifdef HAVE_WIDEC_H
+#include <widec.h>
+#define wcslen(c) wslen(c)
+#define wcscpy(d, s) wscpy(d, s)
+#define wcsncpy(d, s, l) wsncpy(d, s, l)
+#endif
+#endif
+
+#ifdef HAVE_WCHAR_H
+#include <wchar.h>
+#endif
+
+#if defined(AIXV3) || defined(__SCO__)
+#include <ctype.h>
+#endif
+
+#ifdef NCR
+#define iswspace(c) _Xaw_iswspace(c)
+int _Xaw_iswspace
+(
+ wchar_t c
+ );
+#endif
+
+#ifdef sony
+#ifndef SVR4
+#include <jctype.h>
+#define iswspace(c) jisspace(c)
+#endif
+#endif
+
+#ifdef QNX4
+#define toascii( c ) ((unsigned)(c) & 0x007f)
+#endif
+
+#include <stdlib.h>
+
+#ifdef USE_XWCHAR_STRING
+int _Xwcslen
+(
+ wchar_t *wstr
+ );
+
+#define wcslen(c) _Xwcslen(c)
+
+wchar_t *_Xwcscpy
+(
+ wchar_t *wstr1,
+ wchar_t *wstr2
+ );
+
+#define wcscpy(d,s) _Xwcscpy(d,s)
+
+wchar_t *_Xwcsncpy
+(
+ wchar_t *wstr1,
+ wchar_t *wstr2,
+ int len
+ );
+
+#define wcsncpy(d, s, l) _Xwcsncpy(d, s, l)
+
+#ifdef USE_XMBTOWC
+#define mbtowc(wc, s, l) _Xmbtowc(wc, s, l)
+#endif
+#endif
+
+wchar_t _Xaw_atowc
+(
+#if NeedWidePrototypes
+ int c
+#else
+ unsigned char c
+#endif
+ );
+
+#ifndef HAS_ISW_FUNCS
+#include <ctype.h>
+#ifndef iswspace
+#define iswspace(c) (isascii(c) && isspace(toascii(c)))
+#endif
+#endif
+
+#if !defined(iswalnum) && !defined(HAVE_ISWALNUM)
+#define iswalnum(c) _Xaw_iswalnum(c)
+#endif
+int _Xaw_iswalnum
+(
+ wchar_t c
+ );
diff --git a/libXaw/src/XawIm.c b/libXaw/src/XawIm.c index 3b7032b74..11391b57a 100644 --- a/libXaw/src/XawIm.c +++ b/libXaw/src/XawIm.c @@ -1,1609 +1,1609 @@ -/* - * Copyright 1991 by OMRON Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of OMRON not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. OMRON makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - * Author: Seiji Kuwari OMRON Corporation - * kuwa@omron.co.jp - * kuwa%omron.co.jp@uunet.uu.net - */ - - -/* - -Copyright 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xos.h> -#include <X11/Xfuncs.h> -#include <X11/ShellP.h> -#include <X11/Xaw/TextP.h> -#include <X11/Xaw/MultiSrc.h> -#include <X11/Xaw/MultiSinkP.h> -#include <X11/Xaw/XawImP.h> -#include <X11/Xaw/VendorEP.h> -#include "XawI18n.h" -#include <ctype.h> - -#include <stdarg.h> - -#define maxAscentOfFontSet(fontset) \ - ( - (XExtentsOfFontSet((fontset)))->max_logical_extent.y) - -#define maxHeightOfFontSet(fontset) \ - ((XExtentsOfFontSet((fontset)))->max_logical_extent.height) - -#define maxDescentOfFontSet(fontset) \ - (maxHeightOfFontSet(fontset) - maxAscentOfFontSet(fontset)) - -#define Offset(field) (XtOffsetOf(XawIcTablePart, field)) - -/***************************************************** - * - * Forward reference prototypes - * - *****************************************************/ - -/* - * Prototypes - */ -static void AllCreateIC(XawVendorShellExtPart*); -static void CloseIM(XawVendorShellExtPart*); -static void CompileResourceList(XtResourceList, unsigned int); -static void ConfigureCB(Widget, XtPointer, XEvent*, Boolean*); -static void CreateIC(Widget, XawVendorShellExtPart*); -static XawIcTableList CreateIcTable(Widget, XawVendorShellExtPart*); -static XawIcTableList CurrentSharedIcTable(XawVendorShellExtPart*); -static void Destroy(Widget, XawVendorShellExtPart*); -static void DestroyAllIM(XawVendorShellExtPart*); -static void DestroyIC(Widget, XawVendorShellExtPart*); -static void FreeAllDataOfVendorShell(XawVendorShellExtPart*, - VendorShellWidget); -static XawVendorShellExtPart *GetExtPart(VendorShellWidget); -static XawIcTableList GetIcTable(Widget, XawVendorShellExtPart*); -static XawIcTableList GetIcTableShared(Widget, XawVendorShellExtPart*); -static XIMStyle GetInputStyleOfIC(XawVendorShellExtPart*); -static Bool Initialize(VendorShellWidget, XawVendorShellExtPart*); -static Bool IsCreatedIC(Widget, XawVendorShellExtPart*); -static Bool IsRegistered(Widget, XawVendorShellExtPart*); -static Bool IsSharedIC(XawVendorShellExtPart*); -static Bool NoRegistered(XawVendorShellExtPart*); -static void OpenIM(XawVendorShellExtPart*); -static void Reconnect(XawVendorShellExtPart*); -static void Register(Widget, XawVendorShellExtPart*); -static Bool RegisterToVendorShell(Widget, XawVendorShellExtPart*); -static void ResizeVendorShell(VendorShellWidget, XawVendorShellExtPart*); -static Bool ResizeVendorShell_Core(VendorShellWidget, XawVendorShellExtPart*, - XawIcTableList); -static VendorShellWidget SearchVendorShell(Widget); -static Widget SetErrCnxt(Widget, XIM); -static XawVendorShellExtPart *SetExtPart(VendorShellWidget, - XawVendorShellExtWidget); -static void SetFocus(Widget, XawVendorShellExtPart*); -static void SetFocusValues(Widget, ArgList, Cardinal, Bool); -static void SetICFocus(Widget, XawVendorShellExtPart*); -static void SetICValues(Widget, XawVendorShellExtPart*, Bool); -static void SetICValuesShared(Widget, XawVendorShellExtPart*, XawIcTableList, - Bool); -static void SetValues(Widget, XawVendorShellExtPart*, ArgList, Cardinal); -static unsigned int SetVendorShellHeight(XawVendorShellExtPart*, - unsigned int); -static void SharedICChangeFocusWindow(Widget, XawVendorShellExtPart*, - XawIcTableList); -static void SizeNegotiation(XawIcTableList, unsigned int, unsigned int); -static void Unregister(Widget, XawVendorShellExtPart*); -static void UnregisterFromVendorShell(Widget, XawVendorShellExtPart*); -static void UnsetFocus(Widget); -static void UnsetICFocus(Widget, XawVendorShellExtPart*); -static void VendorShellDestroyed(Widget, XtPointer, XtPointer); - -/* - * From Vendor.c - */ -void XawVendorShellExtResize(Widget); -void XawVendorStructureNotifyHandler(Widget, XtPointer, XEvent*, Boolean*); - - -/* - * From Xt/Resources.c - */ -void _XtCopyFromArg(XtArgVal src, char*, unsigned int); - -static XtResource resources[] = -{ - { - XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet), - Offset (font_set), XtRString, XtDefaultFontSet - }, - { - XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), - Offset (foreground), XtRString, (XtPointer)"XtDefaultForeground" - }, - { - XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel), - Offset (background), XtRString, (XtPointer)"XtDefaultBackground" - }, - { - XtNbackgroundPixmap, XtCPixmap, XtRPixmap, sizeof(Pixmap), - Offset (bg_pixmap), XtRImmediate, (XtPointer) XtUnspecifiedPixmap - }, - { - XtNinsertPosition, XtCTextPosition, XtRInt, sizeof (XawTextPosition), - Offset (cursor_position), XtRImmediate, (XtPointer) 0 - } -}; -#undef Offset - - -static VendorShellWidget SearchVendorShell(Widget w) -{ - while(w && !XtIsShell(w)) w = XtParent(w); - if (w && XtIsVendorShell(w)) return((VendorShellWidget)w); - return(NULL); -} - -static XContext extContext = (XContext)NULL; - -static XawVendorShellExtPart * -SetExtPart(VendorShellWidget w, XawVendorShellExtWidget vew) -{ - contextDataRec *contextData; - - if (extContext == (XContext)NULL) extContext = XUniqueContext(); - - contextData = XtNew(contextDataRec); - contextData->parent = (Widget)w; - contextData->ve = (Widget)vew; - if (XSaveContext(XtDisplay(w), (Window)w, extContext, (char *)contextData)) { - return(NULL); - } - return(&(vew->vendor_ext)); -} - -static XawVendorShellExtPart * -GetExtPart(VendorShellWidget w) -{ - contextDataRec *contextData; - XawVendorShellExtWidget vew; - - if (XFindContext(XtDisplay(w), (Window)w, extContext, - (XPointer*)&contextData)) { - return(NULL); - } - vew = (XawVendorShellExtWidget)contextData->ve; - return(&(vew->vendor_ext)); -} - -static Bool -IsSharedIC(XawVendorShellExtPart * ve) -{ - return( ve->ic.shared_ic ); -} - -static XawIcTableList -GetIcTableShared(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - for (p = ve->ic.ic_table; p; p = p->next) { - if (p->widget == w) { - if (IsSharedIC(ve)) { - return(ve->ic.shared_ic_table); - } else { - return(p); - } - } - } - return(NULL); -} - -static XawIcTableList -GetIcTable(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - for (p = ve->ic.ic_table; p; p = p->next) { - if (p->widget == w) { - return(p); - } - } - return(NULL); -} - -static XIMStyle -GetInputStyleOfIC(XawVendorShellExtPart *ve) -{ - - if (!ve) return((XIMStyle)0); - return(ve->ic.input_style); -} - -/*ARGSUSED*/ -static void -ConfigureCB(Widget w, XtPointer closure, XEvent *event, Boolean *unused) -{ - XawIcTableList p; - XawVendorShellExtPart *ve; - VendorShellWidget vw; - XVaNestedList pe_attr; - XRectangle pe_area; - XawTextMargin *margin; - - if (event->type != ConfigureNotify) return; - - if ((vw = SearchVendorShell(w)) == NULL) return; - - if ((ve = GetExtPart(vw)) != NULL) { - if (IsSharedIC(ve)) return; - if ((ve->im.xim == NULL) || - ((p = GetIcTableShared(w, ve)) == NULL) || - (p->xic == NULL) || !(p->input_style & XIMPreeditPosition)) return; - pe_area.x = 0; - pe_area.y = 0; - pe_area.width = w->core.width; - pe_area.height = w->core.height; - margin = &(((TextWidget)w)->text.margin); - pe_area.x += margin->left; - pe_area.y += margin->top; - pe_area.width -= (margin->left + margin->right - 1); - pe_area.height -= (margin->top + margin->bottom - 1); - - pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL); - XSetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL); - XtFree(pe_attr); - } -} - -static XContext errContext = (XContext)NULL; - -static Widget SetErrCnxt(Widget w, XIM xim) -{ - contextErrDataRec *contextErrData; - - if (errContext == (XContext)NULL) errContext = XUniqueContext(); - - contextErrData = XtNew(contextErrDataRec); - contextErrData->widget = w; - contextErrData->xim = xim; - if (XSaveContext(XtDisplay(w), (Window)xim, errContext, - (char *)contextErrData)) { - return(NULL); - } - return(contextErrData->widget); -} - -#if 0 -static Widget -GetErrCnxt(XIM error_im) -{ - contextErrDataRec *contextErrData; - - if (XFindContext(XDisplayOfIM(error_im), (Window)error_im, errContext, - (XPointer*)&contextErrData)) { - return(NULL); - } - return(contextErrData->widget); -} -#endif - -static void -CloseIM(XawVendorShellExtPart *ve) -{ - if (ve->im.xim) - XCloseIM(ve->im.xim); -} - -static unsigned int -SetVendorShellHeight(XawVendorShellExtPart* ve, unsigned int height) -{ - Arg args[2]; - Cardinal i = 0; - - if (ve->im.area_height < height || height == 0) { - XtSetArg(args[i], XtNheight, - (ve->parent->core.height + height - ve->im.area_height)); - ve->im.area_height = height; - XtSetValues(ve->parent, args, 1); - } - return(ve->im.area_height); -} - -static void -DestroyAllIM(XawVendorShellExtPart *ve) -{ - XawIcTableList p; - contextErrDataRec *contextErrData; - - /* - * Destory all ICs - */ - if (IsSharedIC(ve)) { - if ((p = ve->ic.shared_ic_table) && p->xic) { - DestroyIC(p->widget, ve); - p->xic = NULL; - p->ic_focused = FALSE; - } - } else { - for (p = ve->ic.ic_table; p; p = p->next) { - if (p->xic == NULL) continue; - DestroyIC(p->widget, ve); - p->xic = NULL; - p->ic_focused = FALSE; - } - } - if (!ve->im.xim) return; - /* - * Close Input Method - */ - if (!XFindContext(XDisplayOfIM(ve->im.xim), (Window)ve->im.xim, errContext, - (XPointer*)&contextErrData)) { - if (contextErrData) XtFree((char *)contextErrData); - } - XDeleteContext(XDisplayOfIM(ve->im.xim), (Window)ve->im.xim, errContext); - CloseIM(ve); - ve->im.xim = NULL; - - /* - * resize vendor shell to core size - */ - (void) SetVendorShellHeight(ve, 0); - /* - XawVendorShellExtResize(vw); - */ - return; -} - -static void -FreeAllDataOfVendorShell(XawVendorShellExtPart *ve, VendorShellWidget vw) -{ - XawIcTableList p, next; - contextErrDataRec *contextErrData; - - if (!XFindContext(XtDisplay(vw), (Window)vw, extContext, - (XPointer*)&contextErrData)) { - if (contextErrData) XtFree((char *)contextErrData); - } - XDeleteContext(XtDisplay(vw), (Window)vw, extContext); - if (ve->ic.shared_ic_table) - XtFree((char *)ve->ic.shared_ic_table); - if (ve->im.resources) XtFree((char *)ve->im.resources); - for (p = ve->ic.ic_table; p; p = next) { - next = p->next; - XtFree((char *)p); - } -} - -static void -VendorShellDestroyed(Widget w, XtPointer cl_data, XtPointer ca_data) -{ - XawVendorShellExtPart *ve; - - if ( ( ve = GetExtPart( (VendorShellWidget) w ) ) == NULL ) return; - DestroyAllIM( ve ); - FreeAllDataOfVendorShell( ve, (VendorShellWidget) w ); - return; -} - -#if 0 -static int -IOErrorHandler(XIM error_im) -{ - VendorShellWidget vw; - XawVendorShellExtPart * ve; - - if ((vw = (VendorShellWidget)GetErrCnxt(error_im)) == NULL - || (ve = GetExtPart(vw)) == NULL) return(0); - - DestroyAllIM(ve); - return(0); -} -#endif - -/* - * Attempt to open an input method - */ - -static void -OpenIM(XawVendorShellExtPart *ve) -{ - int i; - char *p, *s, *ns, *end, *pbuf, buf[32]; - XIM xim = NULL; - XIMStyles *xim_styles; - XIMStyle input_style = 0; - Boolean found; - - if (ve->im.open_im == False) return; - ve->im.xim = NULL; - if (ve->im.input_method == NULL) { - if ((p = XSetLocaleModifiers("@im=none")) != NULL && *p) - xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL); - } else { - /* no fragment can be longer than the whole string */ - Cardinal len = strlen (ve->im.input_method) + 5; - - if (len < sizeof buf) pbuf = buf; - else pbuf = XtMalloc (len); - - if (pbuf == NULL) return; - - for(ns=s=ve->im.input_method; ns && *s;) { - /* skip any leading blanks */ - while (*s && isspace(*s)) s++; - if (!*s) break; - if ((ns = end = strchr(s, ',')) == NULL) - end = s + strlen(s); - /* If there is a spurious comma end can be the same as s */ - if (end > s) { - /* strip any trailing blanks */ - while (isspace(*(end - 1))) end--; - - strcpy (pbuf, "@im="); - strncat (pbuf, s, end - s); - pbuf[end - s + 4] = '\0'; - } - - if ((p = XSetLocaleModifiers(pbuf)) != NULL && *p - && (xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL)) != NULL) - break; - - s = ns + 1; - } - - if (pbuf != buf) XtFree (pbuf); - } - if (xim == NULL) { - if ((p = XSetLocaleModifiers("")) != NULL) { - xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL); - } - } - if (xim == NULL) { - XtAppWarning(XtWidgetToApplicationContext(ve->parent), - "Input Method Open Failed"); - return; - } - if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) - || !xim_styles) { - XtAppWarning(XtWidgetToApplicationContext(ve->parent), - "input method doesn't support any style"); - XCloseIM(xim); - return; - } - found = False; - for(ns = s = ve->im.preedit_type; s && !found;) { - while (*s && isspace(*s)) s++; - if (!*s) break; - if ((ns = end = strchr(s, ',')) == NULL) - end = s + strlen(s); - else - ns++; - if (end > s) - while (isspace(*(end - 1))) end--; - - if (!strncmp(s, "OverTheSpot", end - s)) { - input_style = (XIMPreeditPosition | XIMStatusArea); - } else if (!strncmp(s, "OffTheSpot", end - s)) { - input_style = (XIMPreeditArea | XIMStatusArea); - } else if (!strncmp(s, "Root", end - s)) { - input_style = (XIMPreeditNothing | XIMStatusNothing); - } - for (i = 0; (unsigned short)i < xim_styles->count_styles; i++) - if (input_style == xim_styles->supported_styles[i]) { - ve->ic.input_style = input_style; - SetErrCnxt(ve->parent, xim); - ve->im.xim = xim; - found = True; - break; - } - - s = ns; - } - XFree(xim_styles); - - if (!found) { - XCloseIM(xim); - XtAppWarning(XtWidgetToApplicationContext(ve->parent), - "input method doesn't support my input style"); - } -} - -static Bool -ResizeVendorShell_Core(VendorShellWidget vw, XawVendorShellExtPart *ve, - XawIcTableList p) -{ - XVaNestedList pe_attr, st_attr; - XRectangle pe_area, st_area; - XRectangle *get_pe_area = NULL, *get_st_area = NULL; - - st_area.width = 0; - if (p->input_style & XIMStatusArea) { - st_attr = XVaCreateNestedList(0, XNArea, &get_st_area, NULL); - XGetICValues(p->xic, XNStatusAttributes, st_attr, NULL); - XFree(st_attr); - if (p->xic == NULL) { - return(FALSE); - } - st_area.x = 0; - st_area.y = vw->core.height - ve->im.area_height; - st_area.width = get_st_area->width; - st_area.height = get_st_area->height; - XFree(get_st_area); - st_attr = XVaCreateNestedList(0, XNArea, &st_area, NULL); - XSetICValues(p->xic, XNStatusAttributes, st_attr, NULL); - XFree(st_attr); - if (p->xic == NULL) { - return(FALSE); - } - } - if (p->input_style & XIMPreeditArea) { - pe_attr = XVaCreateNestedList(0, XNArea, &get_pe_area, NULL); - XGetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL); - XFree(pe_attr); - if (p->xic == NULL) { - return(FALSE); - } - pe_area.x = st_area.width; - pe_area.y = vw->core.height - ve->im.area_height; - pe_area.width = vw->core.width; - pe_area.height = get_pe_area->height; - if (p->input_style & XIMStatusArea) { - pe_area.width -= st_area.width; - } - XFree(get_pe_area); - pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL); - XSetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL); - XFree(pe_attr); - } - return(TRUE); -} - -static void -ResizeVendorShell(VendorShellWidget vw, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - if (IsSharedIC(ve)) { - p = ve->ic.shared_ic_table; - if (p->xic == NULL) return; - ResizeVendorShell_Core(vw, ve, p); - return; - } - for (p = ve->ic.ic_table; p; p = p->next) { - if (p->xic == NULL) continue; - if (ResizeVendorShell_Core(vw, ve, p) == FALSE) return; - } -} - -static XawIcTableList -CreateIcTable(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList table; - - table = (XawIcTableList) XtMalloc(sizeof(XawIcTablePart)); - if (table == NULL) return(NULL); - table->widget = w; - table->xic = NULL; - table->flg = table->prev_flg = 0; - table->font_set = NULL; - table->foreground = table->background = 0xffffffff; - table->bg_pixmap = 0; - table->cursor_position = 0xffff; - table->line_spacing = 0; - table->ic_focused = FALSE; - table->openic_error = FALSE; - return(table); -} - -static Bool -RegisterToVendorShell(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList table; - - if ((table = CreateIcTable(w, ve)) == NULL) return(FALSE); - table->next = ve->ic.ic_table; - ve->ic.ic_table = table; - return(TRUE); -} - -static void -UnregisterFromVendorShell(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList *prev, p; - - for (prev = &ve->ic.ic_table; (p = *prev) != NULL; prev = &p->next) { - if (p->widget == w) { - *prev = p->next; - XtFree((char *)p); - break; - } - } - return; -} - -static void -SetICValuesShared(Widget w, XawVendorShellExtPart *ve, - XawIcTableList p, Bool check) -{ - XawIcTableList pp; - - if ((pp = GetIcTable(w, ve)) == NULL) return; - if (check == TRUE && CurrentSharedIcTable(ve) != pp) return; - - if (pp->prev_flg & CICursorP && p->cursor_position != pp->cursor_position) { - p->cursor_position = pp->cursor_position; - p->flg |= CICursorP; - } - if (pp->prev_flg & CIFontSet && p->font_set != pp->font_set) { - p->font_set = pp->font_set; - p->flg |= (CIFontSet|CICursorP); - } - if (pp->prev_flg & CIFg && p->foreground != pp->foreground) { - p->foreground = pp->foreground; - p->flg |= CIFg; - } - if (pp->prev_flg & CIBg && p->background != pp->background) { - p->background = pp->background; - p->flg |= CIBg; - } - if (pp->prev_flg & CIBgPixmap && p->bg_pixmap != pp->bg_pixmap) { - p->bg_pixmap = pp->bg_pixmap; - p->flg |= CIBgPixmap; - } - if (pp->prev_flg & CILineS && p->line_spacing != pp->line_spacing) { - p->line_spacing = pp->line_spacing; - p->flg |= CILineS; - } -} - -static Bool -IsCreatedIC(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - if (ve->im.xim == NULL) return(FALSE); - if ((p = GetIcTableShared(w, ve)) == NULL) return(FALSE); - if (p->xic == NULL) return(FALSE); - return(TRUE); -} - -static void -SizeNegotiation(XawIcTableList p, unsigned int width, unsigned int height) -{ - XRectangle pe_area, st_area; - XVaNestedList pe_attr = NULL, st_attr = NULL; - int ic_cnt = 0; - XRectangle *pe_area_needed = NULL, *st_area_needed = NULL; - XPointer ic_a[5]; - - if (p->input_style & XIMPreeditArea) { - pe_attr = XVaCreateNestedList(0, XNAreaNeeded, &pe_area_needed, NULL); - ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++; - } - if (p->input_style & XIMStatusArea) { - st_attr = XVaCreateNestedList(0, XNAreaNeeded, &st_area_needed, NULL); - ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++; - } - ic_a[ic_cnt] = (XPointer) NULL; - - if (ic_cnt > 0) { - XGetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], NULL); - if (pe_attr) XFree(pe_attr); - if (st_attr) XFree(st_attr); - if (p->xic == NULL) { - p->openic_error = True; - return; - } - pe_attr = st_attr = NULL; - ic_cnt = 0; - if (p->input_style & XIMStatusArea) { - st_area.height = st_area_needed->height; - st_area.x = 0; - st_area.y = height - st_area.height; - if (p->input_style & XIMPreeditArea) { - st_area.width = st_area_needed->width; - } else { - st_area.width = width; - } - - XFree(st_area_needed); - st_attr = XVaCreateNestedList(0, XNArea, &st_area, NULL); - ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++; - } - if (p->input_style & XIMPreeditArea) { - if (p->input_style & XIMStatusArea) { - pe_area.x = st_area.width; - pe_area.width = width - st_area.width; - } else { - pe_area.x = 0; - pe_area.width = width; - } - pe_area.height = pe_area_needed->height; - XFree(pe_area_needed); - pe_area.y = height - pe_area.height; - pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL); - ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++; - } - ic_a[ic_cnt] = (XPointer) NULL; - XSetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], NULL); - if (pe_attr) XFree(pe_attr); - if (st_attr) XFree(st_attr); - if (p->xic == NULL) { - p->openic_error = True; - return; - } - } -} - -static void -CreateIC(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - XPoint position; - XRectangle pe_area, st_area; - XVaNestedList pe_attr = NULL, st_attr = NULL; - XPointer ic_a[20], pe_a[20], st_a[20]; - Dimension height = 0; - int ic_cnt = 0, pe_cnt = 0, st_cnt = 0; - XawTextMargin *margin; - - if (!XtIsRealized(w)) return; - if (((ve->im.xim == NULL) || (p = GetIcTableShared(w, ve)) == NULL) || - p->xic || (p->openic_error != FALSE)) return; - - p->input_style = GetInputStyleOfIC(ve); - - if (IsSharedIC(ve)) SetICValuesShared(w, ve, p, FALSE); - XFlush(XtDisplay(w)); - - if (p->input_style & (XIMPreeditArea|XIMPreeditPosition|XIMStatusArea)) { - if (p->flg & CIFontSet) { - pe_a[pe_cnt] = (XPointer) XNFontSet; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->font_set; pe_cnt++; - st_a[st_cnt] = (XPointer) XNFontSet; st_cnt++; - st_a[st_cnt] = (XPointer) p->font_set; st_cnt++; - if (p->font_set) { - height = maxAscentOfFontSet(p->font_set) - + maxDescentOfFontSet(p->font_set); - } - height = SetVendorShellHeight(ve, height); - } - if (p->flg & CIFg) { - pe_a[pe_cnt] = (XPointer) XNForeground; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->foreground; pe_cnt++; - st_a[st_cnt] = (XPointer) XNForeground; st_cnt++; - st_a[st_cnt] = (XPointer) p->foreground; st_cnt++; - } - if (p->flg & CIBg) { - pe_a[pe_cnt] = (XPointer) XNBackground; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->background; pe_cnt++; - st_a[st_cnt] = (XPointer) XNBackground; st_cnt++; - st_a[st_cnt] = (XPointer) p->background; st_cnt++; - } - if (p->flg & CIBgPixmap) { - pe_a[pe_cnt] = (XPointer) XNBackgroundPixmap; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->bg_pixmap; pe_cnt++; - st_a[st_cnt] = (XPointer) XNBackgroundPixmap; st_cnt++; - st_a[st_cnt] = (XPointer) p->bg_pixmap; st_cnt++; - } - if (p->flg & CILineS) { - pe_a[pe_cnt] = (XPointer) XNLineSpace; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->line_spacing; pe_cnt++; - st_a[st_cnt] = (XPointer) XNLineSpace; st_cnt++; - st_a[st_cnt] = (XPointer) p->line_spacing; st_cnt++; - } - } - if (p->input_style & XIMPreeditArea) { - pe_area.x = 0; - pe_area.y = ve->parent->core.height - height; - pe_area.width = ve->parent->core.width; - pe_area.height = height; - pe_a[pe_cnt] = (XPointer) XNArea; pe_cnt++; - pe_a[pe_cnt] = (XPointer) &pe_area; pe_cnt++; - } - if (p->input_style & XIMPreeditPosition) { - pe_area.x = 0; - pe_area.y = 0; - pe_area.width = w->core.width; - pe_area.height = w->core.height; - margin = &(((TextWidget)w)->text.margin); - pe_area.x += margin->left; - pe_area.y += margin->top; - pe_area.width -= (margin->left + margin->right - 1); - pe_area.height -= (margin->top + margin->bottom - 1); - pe_a[pe_cnt] = (XPointer) XNArea; pe_cnt++; - pe_a[pe_cnt] = (XPointer) &pe_area; pe_cnt++; - if (p->flg & CICursorP) { - _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y); - } else { - position.x = position.y = 0; - } - pe_a[pe_cnt] = (XPointer) XNSpotLocation; pe_cnt++; - pe_a[pe_cnt] = (XPointer) &position; pe_cnt++; - } - if (p->input_style & XIMStatusArea) { - st_area.x = 0; - st_area.y = ve->parent->core.height - height; - st_area.width = ve->parent->core.width; - st_area.height = height; - st_a[st_cnt] = (XPointer) XNArea; st_cnt++; - st_a[st_cnt] = (XPointer) &st_area; st_cnt++; - } - - ic_a[ic_cnt] = (XPointer) XNInputStyle; ic_cnt++; - ic_a[ic_cnt] = (XPointer) p->input_style; ic_cnt++; - ic_a[ic_cnt] = (XPointer) XNClientWindow; ic_cnt++; - ic_a[ic_cnt] = (XPointer) XtWindow(ve->parent); ic_cnt++; - ic_a[ic_cnt] = (XPointer) XNFocusWindow; ic_cnt++; - ic_a[ic_cnt] = (XPointer) XtWindow(w); ic_cnt++; - - if (pe_cnt > 0) { - pe_a[pe_cnt] = (XPointer) NULL; - pe_attr = XVaCreateNestedList(0, pe_a[0], pe_a[1], pe_a[2], pe_a[3], - pe_a[4], pe_a[5], pe_a[6], pe_a[7], pe_a[8], - pe_a[9], pe_a[10], pe_a[11], pe_a[12], - pe_a[13], pe_a[14], pe_a[15], pe_a[16], - pe_a[17], pe_a[18], NULL); - ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++; - } - - if (st_cnt > 0) { - st_a[st_cnt] = (XPointer) NULL; - st_attr = XVaCreateNestedList(0, st_a[0], st_a[1], st_a[2], st_a[3], - st_a[4], st_a[5], st_a[6], st_a[7], st_a[8], - st_a[9], st_a[10], st_a[11], st_a[12], - st_a[13], st_a[14], st_a[15], st_a[16], - st_a[17], st_a[18], NULL); - ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++; - } - ic_a[ic_cnt] = (XPointer) NULL; - - p->xic = XCreateIC(ve->im.xim, ic_a[0], ic_a[1], ic_a[2], ic_a[3], - ic_a[4], ic_a[5], ic_a[6], ic_a[7], ic_a[8], ic_a[9], - ic_a[10], ic_a[11], ic_a[12], ic_a[13], ic_a[14], - ic_a[15], ic_a[16], ic_a[17], ic_a[18], NULL); - if (pe_attr) XtFree(pe_attr); - if (st_attr) XtFree(st_attr); - - if (p->xic == NULL) { - p->openic_error = True; - return; - } - - SizeNegotiation(p, ve->parent->core.width, ve->parent->core.height); - - p->flg &= ~(CIFontSet | CIFg | CIBg | CIBgPixmap | CICursorP | CILineS); - - if (!IsSharedIC(ve)) { - if (p->input_style & XIMPreeditPosition) { - XtAddEventHandler(w, (EventMask)StructureNotifyMask, FALSE, - (XtEventHandler)ConfigureCB, (Opaque)NULL); - } - } -} - -static void -SetICValues(Widget w, XawVendorShellExtPart *ve, Bool focus) -{ - XawIcTableList p; - XPoint position; - XRectangle pe_area; - XVaNestedList pe_attr = NULL, st_attr = NULL; - XPointer ic_a[20], pe_a[20], st_a[20]; - int ic_cnt = 0, pe_cnt = 0, st_cnt = 0; - XawTextMargin *margin; - int height = 0; - - if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) || - (p->xic == NULL)) return; - - if (IsSharedIC(ve)) SetICValuesShared(w, ve, p, TRUE); - XFlush(XtDisplay(w)); - if (focus == FALSE && - !(p->flg & (CIFontSet | CIFg | CIBg | - CIBgPixmap | CICursorP | CILineS))) return; -#ifdef SPOT - if ((p->input_style & XIMPreeditPosition) - && ((!IsSharedIC(ve) && ((p->flg & ~CIICFocus) == CICursorP)) - || (IsSharedIC(ve) && p->flg == CICursorP))) { - _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y); - _XipChangeSpot(p->xic, position.x, position.y); - p->flg &= ~CICursorP; - return; - } -#endif - - if (p->input_style & (XIMPreeditArea|XIMPreeditPosition|XIMStatusArea)) { - if (p->flg & CIFontSet) { - pe_a[pe_cnt] = (XPointer) XNFontSet; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->font_set; pe_cnt++; - st_a[st_cnt] = (XPointer) XNFontSet; st_cnt++; - st_a[st_cnt] = (XPointer) p->font_set; st_cnt++; - if (p->font_set) { - height = maxAscentOfFontSet(p->font_set) - + maxDescentOfFontSet(p->font_set); - } - height = SetVendorShellHeight(ve, height); - } - if (p->flg & CIFg) { - pe_a[pe_cnt] = (XPointer) XNForeground; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->foreground; pe_cnt++; - st_a[st_cnt] = (XPointer) XNForeground; st_cnt++; - st_a[st_cnt] = (XPointer) p->foreground; st_cnt++; - } - if (p->flg & CIBg) { - pe_a[pe_cnt] = (XPointer) XNBackground; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->background; pe_cnt++; - st_a[st_cnt] = (XPointer) XNBackground; st_cnt++; - st_a[st_cnt] = (XPointer) p->background; st_cnt++; - } - if (p->flg & CIBgPixmap) { - pe_a[pe_cnt] = (XPointer) XNBackgroundPixmap; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->bg_pixmap; pe_cnt++; - st_a[st_cnt] = (XPointer) XNBackgroundPixmap; st_cnt++; - st_a[st_cnt] = (XPointer) p->bg_pixmap; st_cnt++; - } - if (p->flg & CILineS) { - pe_a[pe_cnt] = (XPointer) XNLineSpace; pe_cnt++; - pe_a[pe_cnt] = (XPointer) p->line_spacing; pe_cnt++; - st_a[st_cnt] = (XPointer) XNLineSpace; st_cnt++; - st_a[st_cnt] = (XPointer) p->line_spacing; st_cnt++; - } - } - if (p->input_style & XIMPreeditPosition) { - if (p->flg & CICursorP) { - _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y); - pe_a[pe_cnt] = (XPointer) XNSpotLocation; pe_cnt++; - pe_a[pe_cnt] = (XPointer) &position; pe_cnt++; - } - } - if (IsSharedIC(ve)) { - if (p->input_style & XIMPreeditPosition) { - pe_area.x = 0; - pe_area.y = 0; - pe_area.width = w->core.width; - pe_area.height = w->core.height; - margin = &(((TextWidget)w)->text.margin); - pe_area.x += margin->left; - pe_area.y += margin->top; - pe_area.width -= (margin->left + margin->right - 1); - pe_area.height -= (margin->top + margin->bottom - 1); - pe_a[pe_cnt] = (XPointer) XNArea; pe_cnt++; - pe_a[pe_cnt] = (XPointer) &pe_area; pe_cnt++; - } - } - - if (pe_cnt > 0) { - pe_a[pe_cnt] = (XPointer) NULL; - pe_attr = XVaCreateNestedList(0, pe_a[0], pe_a[1], pe_a[2], pe_a[3], - pe_a[4], pe_a[5], pe_a[6], pe_a[7], - pe_a[8], pe_a[9], pe_a[10], pe_a[11], - pe_a[12], pe_a[13], pe_a[14], pe_a[15], - pe_a[16], pe_a[17], pe_a[18], NULL); - ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++; - } - if (st_cnt > 0) { - st_a[st_cnt] = (XPointer) NULL; - st_attr = XVaCreateNestedList(0, st_a[0], st_a[1], st_a[2], st_a[3], - st_a[4], st_a[5], st_a[6], st_a[7], - st_a[8], st_a[9], st_a[10], st_a[11], - st_a[12], st_a[13], st_a[14], st_a[15], - st_a[16], st_a[17], st_a[18], NULL); - ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++; - ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++; - } - if (focus == TRUE) { - ic_a[ic_cnt] = (XPointer) XNFocusWindow; ic_cnt++; - ic_a[ic_cnt] = (XPointer) XtWindow(w); ic_cnt++; - } - if (ic_cnt > 0) { - ic_a[ic_cnt] = (XPointer) NULL; - XSetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], ic_a[4], - ic_a[5], ic_a[6], ic_a[7], ic_a[8], ic_a[9], ic_a[10], - ic_a[11], ic_a[12], ic_a[13], ic_a[14], ic_a[15], - ic_a[16], ic_a[17], ic_a[18], NULL); - if (pe_attr) XtFree(pe_attr); - if (st_attr) XtFree(st_attr); - } - - if (IsSharedIC(ve) && p->flg & CIFontSet) - SizeNegotiation(p, ve->parent->core.width, ve->parent->core.height); - - p->flg &= ~(CIFontSet | CIFg | CIBg | CIBgPixmap | CICursorP | CILineS); -} - -static void -SharedICChangeFocusWindow(Widget w, XawVendorShellExtPart *ve, - XawIcTableList p) -{ - XawIcTableList pp; - - if (w == NULL) { - ve->ic.current_ic_table = NULL; - return; - } - if ((pp = GetIcTable(w, ve)) == NULL) return; - ve->ic.current_ic_table = pp; - SetICValues(w, ve, TRUE); -} - -static XawIcTableList -CurrentSharedIcTable(XawVendorShellExtPart *ve) -{ - return(ve->ic.current_ic_table); -} - -static void -SetICFocus(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p, pp; - - if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) || - (p->xic == NULL)) return; - - if (IsSharedIC(ve)) { - pp = CurrentSharedIcTable(ve); - if (pp == NULL || pp->widget != w) { - SharedICChangeFocusWindow(w, ve, p); - } - } - if (p->flg & CIICFocus && p->ic_focused == FALSE) { - p->ic_focused = TRUE; - XSetICFocus(p->xic); - } - p->flg &= ~CIICFocus; -} - -static void -UnsetICFocus(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p, pp; - - if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) || - (p->xic == NULL)) return; - - if (IsSharedIC(ve) && (pp = CurrentSharedIcTable(ve))) { - if (pp->widget != w) { - return; - } - SharedICChangeFocusWindow(NULL, ve, p); - } - if (p->ic_focused == TRUE) { - XUnsetICFocus(p->xic); - p->ic_focused = FALSE; - } -} - -static void -SetValues(Widget w, XawVendorShellExtPart *ve, - ArgList args, Cardinal num_args) -{ - ArgList arg; - - XrmName argName; - XrmResourceList xrmres; - Cardinal i; - XawIcTablePart *p, save_tbl; - - if ((p = GetIcTable(w, ve)) == NULL) return; - - memcpy(&save_tbl, p, sizeof(XawIcTablePart)); - - for (arg = args ; num_args != 0; num_args--, arg++) { - argName = XrmStringToName(arg->name); - for (xrmres = (XrmResourceList)ve->im.resources, i = 0; - i < ve->im.num_resources; i++, xrmres++) { - if (argName == xrmres->xrm_name) { - _XtCopyFromArg(arg->value, - (char *)p - xrmres->xrm_offset - 1, - xrmres->xrm_size); - break; - } - } - } - if (p->font_set != save_tbl.font_set) { - p->flg |= CIFontSet; - } - if (p->foreground != save_tbl.foreground) { - p->flg |= CIFg; - } - if (p->background !=save_tbl.background) { - p->flg |= CIBg; - } - if (p->bg_pixmap != save_tbl.bg_pixmap) { - p->flg |= CIBgPixmap; - } - if (p->cursor_position != save_tbl.cursor_position) { - p->flg |= CICursorP; - } - if (p->line_spacing != save_tbl.line_spacing) { - p->flg |= CILineS; - } - p->prev_flg |= p->flg; -} - -static void -SetFocus(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - if ((p = GetIcTableShared(w, ve)) == NULL) return; - - if ( p->ic_focused == FALSE || IsSharedIC(ve)) { - p->flg |= CIICFocus; - } - p->prev_flg |= p->flg; -} - -static void -DestroyIC(Widget w, XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) || - (p->xic == NULL)) return; - if (IsSharedIC(ve)) { - if (GetIcTable(w, ve) == ve->ic.current_ic_table) { - UnsetICFocus(w, ve); - } - return; - } - XDestroyIC(p->xic); - if (!IsSharedIC(ve)) { - if (p->input_style & XIMPreeditPosition) { - XtRemoveEventHandler(w, (EventMask)StructureNotifyMask, FALSE, - (XtEventHandler)ConfigureCB, (Opaque)NULL); - } - } -} - -static void -SetFocusValues(Widget inwidg, ArgList args, Cardinal num_args, Bool focus) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - - if ((vw = SearchVendorShell(inwidg)) == NULL) return; - if ((ve = GetExtPart(vw)) != NULL) { - if (num_args > 0) SetValues(inwidg, ve, args, num_args); - if (focus) SetFocus(inwidg, ve); - if (XtIsRealized((Widget)vw) && ve->im.xim) { - if (IsCreatedIC(inwidg, ve)) { - SetICValues(inwidg, ve, FALSE); - if (focus) SetICFocus(inwidg, ve); - } else { - CreateIC(inwidg, ve); - SetICFocus(inwidg, ve); - } - } - } -} - -static void -UnsetFocus(Widget inwidg) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - XawIcTableList p; - - if ((vw = SearchVendorShell(inwidg)) == NULL) return; - if ((ve = GetExtPart(vw)) != NULL) { - if ((p = GetIcTableShared(inwidg, ve)) == NULL) return; - if (p->flg & CIICFocus) { - p->flg &= ~CIICFocus; - } - p->prev_flg &= ~CIICFocus; - if (ve->im.xim && XtIsRealized((Widget)vw) && p->xic) { - UnsetICFocus(inwidg, ve); - } - } -} - -static Bool -IsRegistered(Widget w, XawVendorShellExtPart* ve) -{ - XawIcTableList p; - - for (p = ve->ic.ic_table; p; p = p->next) - { - if (p->widget == w) return(TRUE); - } - return(FALSE); -} - -static void -Register(Widget inwidg, XawVendorShellExtPart* ve) -{ - if (ve->im.xim == NULL) - { - OpenIM(ve); - } - - if (IsRegistered(inwidg, ve)) return; - - if (RegisterToVendorShell(inwidg, ve) == FALSE) return; - - if (ve->im.xim == NULL) return; - - if (XtIsRealized(ve->parent)) - { - CreateIC(inwidg, ve); - SetICFocus(inwidg, ve); - } -} - -static Bool -NoRegistered(XawVendorShellExtPart* ve) -{ - if (ve->ic.ic_table == NULL) return(TRUE); - return(FALSE); -} - -static void -Unregister(Widget inwidg, XawVendorShellExtPart *ve) -{ - if (!IsRegistered(inwidg, ve)) return; - - DestroyIC(inwidg, ve); - - UnregisterFromVendorShell(inwidg, ve); - - if (NoRegistered(ve)) - { - CloseIM(ve); - ve->im.xim = NULL; - /* - * resize vendor shell to core size - */ - (void) SetVendorShellHeight(ve, 0); - } -} - -static void -AllCreateIC(XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - if (ve->im.xim == NULL) return; - if (IsSharedIC(ve) && ve->ic.ic_table[0].widget) { - p = ve->ic.shared_ic_table; - if (p->xic == NULL) - CreateIC(ve->ic.ic_table[0].widget, ve); - SetICFocus(ve->ic.ic_table[0].widget, ve); - return; - } - for (p = ve->ic.ic_table; p; p = p->next) { - if (p->xic == NULL) - CreateIC(p->widget, ve); - } - for (p = ve->ic.ic_table; p; p = p->next) { - SetICFocus(p->widget, ve); - } -} - - -static void -Reconnect(XawVendorShellExtPart *ve) -{ - XawIcTableList p; - - ve->im.open_im = True; - if (ve->im.xim == NULL) { - OpenIM(ve); - } - if (ve->im.xim == NULL) return; - - if (IsSharedIC(ve)) { - p = ve->ic.shared_ic_table; - p->flg = p->prev_flg; - p->openic_error = FALSE; - } else { - for (p = ve->ic.ic_table; p; p = p->next) { - p->flg = p->prev_flg; - p->openic_error = FALSE; - } - } - AllCreateIC(ve); -} - - -static void -CompileResourceList(XtResourceList res, unsigned int num_res) -{ - unsigned int count; - -#define xrmres ((XrmResourceList) res) - for (count = 0; count < num_res; res++, count++) { - xrmres->xrm_name = XrmPermStringToQuark(res->resource_name); - xrmres->xrm_class = XrmPermStringToQuark(res->resource_class); - xrmres->xrm_type = XrmPermStringToQuark(res->resource_type); - xrmres->xrm_offset = -res->resource_offset - 1; - xrmres->xrm_default_type = XrmPermStringToQuark(res->default_type); - } -#undef xrmres -} - -static Bool -Initialize(VendorShellWidget vw, XawVendorShellExtPart *ve) -{ - if (!XtIsVendorShell((Widget)vw)) return(FALSE); - ve->parent = (Widget)vw; - ve->im.xim = NULL; - ve->im.area_height = 0; - ve->im.resources = (XrmResourceList)XtMalloc(sizeof(resources)); - if (ve->im.resources == NULL) return(FALSE); - memcpy((char *)ve->im.resources, (char *)resources, sizeof(resources)); - ve->im.num_resources = XtNumber(resources); - CompileResourceList( (XtResourceList) ve->im.resources, - ve->im.num_resources ); - if ((ve->ic.shared_ic_table = CreateIcTable( (Widget)vw, ve)) == NULL) - return(FALSE); - ve->ic.current_ic_table = NULL; - ve->ic.ic_table = NULL; - return(TRUE); -} - - -/* Destroy() - * - * This frees all (most?) of the resources malloced by XawIm. - * It is called by _XawImDestroy, which is called by Vendor.c's - * VendorExt's Destroy method. Sheeran, Omron KK, 93/08/05 */ - -static void -Destroy(Widget w, XawVendorShellExtPart *ve) -{ - contextDataRec *contextData; - contextErrDataRec *contextErrData; - - if (!XtIsVendorShell( w ) ) - return; - XtFree( (char*) ve->im.resources ); - - if (extContext != (XContext)NULL && - !XFindContext (XtDisplay (w), (Window)w, - extContext, (XPointer*)&contextData)) - XtFree( (char*) contextData ); - - if (errContext != (XContext)NULL && - !XFindContext (XDisplayOfIM( ve->im.xim ), (Window) ve->im.xim, - errContext, (XPointer*) &contextErrData)) - XtFree( (char*) contextErrData ); -} - -/********************************************* - * - * SEMI-PRIVATE FUNCTIONS - * For use by other Xaw modules - * - ********************************************/ - -void -_XawImResizeVendorShell(Widget w) -{ - XawVendorShellExtPart *ve; - - if ( ( ve = GetExtPart( (VendorShellWidget) w ) ) && ve->im.xim ) { - ResizeVendorShell( (VendorShellWidget) w, ve ); - } -} - - -Dimension -_XawImGetShellHeight(Widget w) -{ - XawVendorShellExtPart *ve; - - if (!XtIsVendorShell( w ) ) return( w->core.height ); - if ( (ve = GetExtPart( (VendorShellWidget) w )) != NULL ) { - return( w->core.height - ve->im.area_height ); - } - return( w->core.height ); -} - -void -_XawImRealize(Widget w) -{ - XawVendorShellExtPart *ve; - - if ( !XtIsRealized( w ) || !XtIsVendorShell( w ) ) return; - if ( (ve = GetExtPart( (VendorShellWidget) w )) != NULL ) { - XtAddEventHandler( w, (EventMask)StructureNotifyMask, FALSE, - XawVendorStructureNotifyHandler, (XtPointer)NULL ); - AllCreateIC(ve); - } -} - -void -_XawImInitialize(Widget w, Widget ext) -{ - XawVendorShellExtPart *ve; - - if ( !XtIsVendorShell( w ) ) return; - if ( (ve = SetExtPart( (VendorShellWidget) w, (XawVendorShellExtWidget)ext )) != NULL ) { - if ( Initialize( (VendorShellWidget) w, ve ) == FALSE ) return; - XtAddCallback( w, XtNdestroyCallback, VendorShellDestroyed, - (XtPointer) NULL ); - } -} - -void -_XawImReconnect(Widget inwidg) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - - if ((vw = SearchVendorShell(inwidg)) == NULL) return; - if ((ve = GetExtPart(vw)) != NULL) { - Reconnect(ve); - } -} - -void -_XawImRegister(Widget inwidg) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - - if ((vw = SearchVendorShell(inwidg)) == NULL) return; - if ((ve = GetExtPart(vw)) != NULL) { - Register(inwidg, ve); - } -} - -void -_XawImUnregister(Widget inwidg) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - - if ((vw = SearchVendorShell(inwidg)) == NULL) return; - if ((ve = GetExtPart(vw)) != NULL) { - Unregister(inwidg, ve); - } -} - -void -_XawImSetValues(Widget inwidg, ArgList args, Cardinal num_args) -{ - SetFocusValues( inwidg, args, num_args, FALSE ); -} - -void -_XawImSetFocusValues(Widget inwidg, ArgList args, Cardinal num_args) -{ - SetFocusValues(inwidg, args, num_args, TRUE); -} - -void -_XawImUnsetFocus(Widget inwidg) -{ - UnsetFocus(inwidg); -} - -int -_XawImWcLookupString(Widget inwidg, XKeyPressedEvent *event, - wchar_t* buffer_return, int bytes_buffer, - KeySym *keysym_return) -{ - XawVendorShellExtPart* ve; - VendorShellWidget vw; - XawIcTableList p; - int i, ret; - char tmp_buf[64], *tmp_p; - wchar_t* buf_p; - - if ((vw = SearchVendorShell(inwidg)) && (ve = GetExtPart(vw)) && - ve->im.xim && (p = GetIcTableShared(inwidg, ve)) && p->xic) { - return(XwcLookupString(p->xic, event, buffer_return, bytes_buffer/sizeof(wchar_t), - keysym_return, NULL)); - } - ret = XLookupString( event, tmp_buf, sizeof(tmp_buf), keysym_return, - NULL ); - for ( i = 0, tmp_p = tmp_buf, buf_p = buffer_return; i < ret; i++ ) { - *buf_p++ = _Xaw_atowc(*tmp_p++); - } - return( ret ); -} - -int -_XawLookupString(Widget w, XKeyEvent *event, char *buffer_return, int buffer_size, - KeySym *keysym_return) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - XawIcTableList p; - - if ((vw = SearchVendorShell(w)) && (ve = GetExtPart(vw)) - && ve->im.xim && (p = GetIcTableShared(w, ve)) && p->xic) - return (XmbLookupString(p->xic, event, buffer_return, buffer_size, - keysym_return, NULL)); - - return (XLookupString(event, buffer_return, buffer_size, - keysym_return, NULL)); -} - -int -_XawImGetImAreaHeight(Widget w) -{ - XawVendorShellExtPart *ve; - VendorShellWidget vw; - - if ((vw = SearchVendorShell(w)) && (ve = GetExtPart(vw))) { - return(ve->im.area_height); - } - return(0); -} - -void -_XawImCallVendorShellExtResize(Widget w) -{ - VendorShellWidget vw; - - if ((vw = SearchVendorShell(w)) && GetExtPart(vw)) { - XawVendorShellExtResize((Widget)vw); - } -} - - -/* _XawImDestroy() - * - * This should be called by the VendorExt from its - * core Destroy method. Sheeran, Omron KK 93/08/05 */ - -void -_XawImDestroy(Widget w, Widget ext) -{ - XawVendorShellExtPart *ve; - - if ( !XtIsVendorShell( w ) ) return; - if ( (ve = GetExtPart( (VendorShellWidget) w )) != NULL ) - Destroy( w, ve ); -} +/*
+ * Copyright 1991 by OMRON Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of OMRON not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. OMRON makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Seiji Kuwari OMRON Corporation
+ * kuwa@omron.co.jp
+ * kuwa%omron.co.jp@uunet.uu.net
+ */
+
+
+/*
+
+Copyright 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xos.h>
+#include <X11/Xfuncs.h>
+#include <X11/ShellP.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/MultiSrc.h>
+#include <X11/Xaw/MultiSinkP.h>
+#include <X11/Xaw/XawImP.h>
+#include <X11/Xaw/VendorEP.h>
+#include "XawI18n.h"
+#include <ctype.h>
+
+#include <stdarg.h>
+
+#define maxAscentOfFontSet(fontset) \
+ ( - (XExtentsOfFontSet((fontset)))->max_logical_extent.y)
+
+#define maxHeightOfFontSet(fontset) \
+ ((XExtentsOfFontSet((fontset)))->max_logical_extent.height)
+
+#define maxDescentOfFontSet(fontset) \
+ (maxHeightOfFontSet(fontset) - maxAscentOfFontSet(fontset))
+
+#define Offset(field) (XtOffsetOf(XawIcTablePart, field))
+
+/*****************************************************
+ *
+ * Forward reference prototypes
+ *
+ *****************************************************/
+
+/*
+ * Prototypes
+ */
+static void AllCreateIC(XawVendorShellExtPart*);
+static void CloseIM(XawVendorShellExtPart*);
+static void CompileResourceList(XtResourceList, unsigned int);
+static void ConfigureCB(Widget, XtPointer, XEvent*, Boolean*);
+static void CreateIC(Widget, XawVendorShellExtPart*);
+static XawIcTableList CreateIcTable(Widget, XawVendorShellExtPart*);
+static XawIcTableList CurrentSharedIcTable(XawVendorShellExtPart*);
+static void Destroy(Widget, XawVendorShellExtPart*);
+static void DestroyAllIM(XawVendorShellExtPart*);
+static void DestroyIC(Widget, XawVendorShellExtPart*);
+static void FreeAllDataOfVendorShell(XawVendorShellExtPart*,
+ VendorShellWidget);
+static XawVendorShellExtPart *GetExtPart(VendorShellWidget);
+static XawIcTableList GetIcTable(Widget, XawVendorShellExtPart*);
+static XawIcTableList GetIcTableShared(Widget, XawVendorShellExtPart*);
+static XIMStyle GetInputStyleOfIC(XawVendorShellExtPart*);
+static Bool Initialize(VendorShellWidget, XawVendorShellExtPart*);
+static Bool IsCreatedIC(Widget, XawVendorShellExtPart*);
+static Bool IsRegistered(Widget, XawVendorShellExtPart*);
+static Bool IsSharedIC(XawVendorShellExtPart*);
+static Bool NoRegistered(XawVendorShellExtPart*);
+static void OpenIM(XawVendorShellExtPart*);
+static void Reconnect(XawVendorShellExtPart*);
+static void Register(Widget, XawVendorShellExtPart*);
+static Bool RegisterToVendorShell(Widget, XawVendorShellExtPart*);
+static void ResizeVendorShell(VendorShellWidget, XawVendorShellExtPart*);
+static Bool ResizeVendorShell_Core(VendorShellWidget, XawVendorShellExtPart*,
+ XawIcTableList);
+static VendorShellWidget SearchVendorShell(Widget);
+static Widget SetErrCnxt(Widget, XIM);
+static XawVendorShellExtPart *SetExtPart(VendorShellWidget,
+ XawVendorShellExtWidget);
+static void SetFocus(Widget, XawVendorShellExtPart*);
+static void SetFocusValues(Widget, ArgList, Cardinal, Bool);
+static void SetICFocus(Widget, XawVendorShellExtPart*);
+static void SetICValues(Widget, XawVendorShellExtPart*, Bool);
+static void SetICValuesShared(Widget, XawVendorShellExtPart*, XawIcTableList,
+ Bool);
+static void SetValues(Widget, XawVendorShellExtPart*, ArgList, Cardinal);
+static unsigned int SetVendorShellHeight(XawVendorShellExtPart*,
+ unsigned int);
+static void SharedICChangeFocusWindow(Widget, XawVendorShellExtPart*,
+ XawIcTableList);
+static void SizeNegotiation(XawIcTableList, unsigned int, unsigned int);
+static void Unregister(Widget, XawVendorShellExtPart*);
+static void UnregisterFromVendorShell(Widget, XawVendorShellExtPart*);
+static void UnsetFocus(Widget);
+static void UnsetICFocus(Widget, XawVendorShellExtPart*);
+static void VendorShellDestroyed(Widget, XtPointer, XtPointer);
+
+/*
+ * From Vendor.c
+ */
+void XawVendorShellExtResize(Widget);
+void XawVendorStructureNotifyHandler(Widget, XtPointer, XEvent*, Boolean*);
+
+
+/*
+ * From Xt/Resources.c
+ */
+void _XtCopyFromArg(XtArgVal src, char*, unsigned int);
+
+static XtResource resources[] =
+{
+ {
+ XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
+ Offset (font_set), XtRString, XtDefaultFontSet
+ },
+ {
+ XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
+ Offset (foreground), XtRString, (XtPointer)"XtDefaultForeground"
+ },
+ {
+ XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel),
+ Offset (background), XtRString, (XtPointer)"XtDefaultBackground"
+ },
+ {
+ XtNbackgroundPixmap, XtCPixmap, XtRPixmap, sizeof(Pixmap),
+ Offset (bg_pixmap), XtRImmediate, (XtPointer) XtUnspecifiedPixmap
+ },
+ {
+ XtNinsertPosition, XtCTextPosition, XtRInt, sizeof (XawTextPosition),
+ Offset (cursor_position), XtRImmediate, (XtPointer) 0
+ }
+};
+#undef Offset
+
+
+static VendorShellWidget SearchVendorShell(Widget w)
+{
+ while(w && !XtIsShell(w)) w = XtParent(w);
+ if (w && XtIsVendorShell(w)) return((VendorShellWidget)w);
+ return(NULL);
+}
+
+static XContext extContext = (XContext)NULL;
+
+static XawVendorShellExtPart *
+SetExtPart(VendorShellWidget w, XawVendorShellExtWidget vew)
+{
+ contextDataRec *contextData;
+
+ if (extContext == (XContext)NULL) extContext = XUniqueContext();
+
+ contextData = XtNew(contextDataRec);
+ contextData->parent = (Widget)w;
+ contextData->ve = (Widget)vew;
+ if (XSaveContext(XtDisplay(w), (Window)w, extContext, (char *)contextData)) {
+ return(NULL);
+ }
+ return(&(vew->vendor_ext));
+}
+
+static XawVendorShellExtPart *
+GetExtPart(VendorShellWidget w)
+{
+ contextDataRec *contextData;
+ XawVendorShellExtWidget vew;
+
+ if (XFindContext(XtDisplay(w), (Window)w, extContext,
+ (XPointer*)&contextData)) {
+ return(NULL);
+ }
+ vew = (XawVendorShellExtWidget)contextData->ve;
+ return(&(vew->vendor_ext));
+}
+
+static Bool
+IsSharedIC(XawVendorShellExtPart * ve)
+{
+ return( ve->ic.shared_ic );
+}
+
+static XawIcTableList
+GetIcTableShared(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ if (p->widget == w) {
+ if (IsSharedIC(ve)) {
+ return(ve->ic.shared_ic_table);
+ } else {
+ return(p);
+ }
+ }
+ }
+ return(NULL);
+}
+
+static XawIcTableList
+GetIcTable(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ if (p->widget == w) {
+ return(p);
+ }
+ }
+ return(NULL);
+}
+
+static XIMStyle
+GetInputStyleOfIC(XawVendorShellExtPart *ve)
+{
+
+ if (!ve) return((XIMStyle)0);
+ return(ve->ic.input_style);
+}
+
+/*ARGSUSED*/
+static void
+ConfigureCB(Widget w, XtPointer closure, XEvent *event, Boolean *unused)
+{
+ XawIcTableList p;
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+ XVaNestedList pe_attr;
+ XRectangle pe_area;
+ XawTextMargin *margin;
+
+ if (event->type != ConfigureNotify) return;
+
+ if ((vw = SearchVendorShell(w)) == NULL) return;
+
+ if ((ve = GetExtPart(vw)) != NULL) {
+ if (IsSharedIC(ve)) return;
+ if ((ve->im.xim == NULL) ||
+ ((p = GetIcTableShared(w, ve)) == NULL) ||
+ (p->xic == NULL) || !(p->input_style & XIMPreeditPosition)) return;
+ pe_area.x = 0;
+ pe_area.y = 0;
+ pe_area.width = w->core.width;
+ pe_area.height = w->core.height;
+ margin = &(((TextWidget)w)->text.margin);
+ pe_area.x += margin->left;
+ pe_area.y += margin->top;
+ pe_area.width -= (margin->left + margin->right - 1);
+ pe_area.height -= (margin->top + margin->bottom - 1);
+
+ pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL);
+ XSetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL);
+ XtFree(pe_attr);
+ }
+}
+
+static XContext errContext = (XContext)NULL;
+
+static Widget SetErrCnxt(Widget w, XIM xim)
+{
+ contextErrDataRec *contextErrData;
+
+ if (errContext == (XContext)NULL) errContext = XUniqueContext();
+
+ contextErrData = XtNew(contextErrDataRec);
+ contextErrData->widget = w;
+ contextErrData->xim = xim;
+ if (XSaveContext(XtDisplay(w), (Window)xim, errContext,
+ (char *)contextErrData)) {
+ return(NULL);
+ }
+ return(contextErrData->widget);
+}
+
+#if 0
+static Widget
+GetErrCnxt(XIM error_im)
+{
+ contextErrDataRec *contextErrData;
+
+ if (XFindContext(XDisplayOfIM(error_im), (Window)error_im, errContext,
+ (XPointer*)&contextErrData)) {
+ return(NULL);
+ }
+ return(contextErrData->widget);
+}
+#endif
+
+static void
+CloseIM(XawVendorShellExtPart *ve)
+{
+ if (ve->im.xim)
+ XCloseIM(ve->im.xim);
+}
+
+static unsigned int
+SetVendorShellHeight(XawVendorShellExtPart* ve, unsigned int height)
+{
+ Arg args[2];
+ Cardinal i = 0;
+
+ if (ve->im.area_height < height || height == 0) {
+ XtSetArg(args[i], XtNheight,
+ (ve->parent->core.height + height - ve->im.area_height));
+ ve->im.area_height = height;
+ XtSetValues(ve->parent, args, 1);
+ }
+ return(ve->im.area_height);
+}
+
+static void
+DestroyAllIM(XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+ contextErrDataRec *contextErrData;
+
+ /*
+ * Destory all ICs
+ */
+ if (IsSharedIC(ve)) {
+ if ((p = ve->ic.shared_ic_table) && p->xic) {
+ DestroyIC(p->widget, ve);
+ p->xic = NULL;
+ p->ic_focused = FALSE;
+ }
+ } else {
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ if (p->xic == NULL) continue;
+ DestroyIC(p->widget, ve);
+ p->xic = NULL;
+ p->ic_focused = FALSE;
+ }
+ }
+ if (!ve->im.xim) return;
+ /*
+ * Close Input Method
+ */
+ if (!XFindContext(XDisplayOfIM(ve->im.xim), (Window)ve->im.xim, errContext,
+ (XPointer*)&contextErrData)) {
+ if (contextErrData) XtFree((char *)contextErrData);
+ }
+ XDeleteContext(XDisplayOfIM(ve->im.xim), (Window)ve->im.xim, errContext);
+ CloseIM(ve);
+ ve->im.xim = NULL;
+
+ /*
+ * resize vendor shell to core size
+ */
+ (void) SetVendorShellHeight(ve, 0);
+ /*
+ XawVendorShellExtResize(vw);
+ */
+ return;
+}
+
+static void
+FreeAllDataOfVendorShell(XawVendorShellExtPart *ve, VendorShellWidget vw)
+{
+ XawIcTableList p, next;
+ contextErrDataRec *contextErrData;
+
+ if (!XFindContext(XtDisplay(vw), (Window)vw, extContext,
+ (XPointer*)&contextErrData)) {
+ if (contextErrData) XtFree((char *)contextErrData);
+ }
+ XDeleteContext(XtDisplay(vw), (Window)vw, extContext);
+ if (ve->ic.shared_ic_table)
+ XtFree((char *)ve->ic.shared_ic_table);
+ if (ve->im.resources) XtFree((char *)ve->im.resources);
+ for (p = ve->ic.ic_table; p; p = next) {
+ next = p->next;
+ XtFree((char *)p);
+ }
+}
+
+static void
+VendorShellDestroyed(Widget w, XtPointer cl_data, XtPointer ca_data)
+{
+ XawVendorShellExtPart *ve;
+
+ if ( ( ve = GetExtPart( (VendorShellWidget) w ) ) == NULL ) return;
+ DestroyAllIM( ve );
+ FreeAllDataOfVendorShell( ve, (VendorShellWidget) w );
+ return;
+}
+
+#if 0
+static int
+IOErrorHandler(XIM error_im)
+{
+ VendorShellWidget vw;
+ XawVendorShellExtPart * ve;
+
+ if ((vw = (VendorShellWidget)GetErrCnxt(error_im)) == NULL
+ || (ve = GetExtPart(vw)) == NULL) return(0);
+
+ DestroyAllIM(ve);
+ return(0);
+}
+#endif
+
+/*
+ * Attempt to open an input method
+ */
+
+static void
+OpenIM(XawVendorShellExtPart *ve)
+{
+ int i;
+ char *p, *s, *ns, *end, *pbuf, buf[32];
+ XIM xim = NULL;
+ XIMStyles *xim_styles;
+ XIMStyle input_style = 0;
+ Boolean found;
+
+ if (ve->im.open_im == False) return;
+ ve->im.xim = NULL;
+ if (ve->im.input_method == NULL) {
+ if ((p = XSetLocaleModifiers("@im=none")) != NULL && *p)
+ xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL);
+ } else {
+ /* no fragment can be longer than the whole string */
+ Cardinal len = strlen (ve->im.input_method) + 5;
+
+ if (len < sizeof buf) pbuf = buf;
+ else pbuf = XtMalloc (len);
+
+ if (pbuf == NULL) return;
+
+ for(ns=s=ve->im.input_method; ns && *s;) {
+ /* skip any leading blanks */
+ while (*s && isspace(*s)) s++;
+ if (!*s) break;
+ if ((ns = end = strchr(s, ',')) == NULL)
+ end = s + strlen(s);
+ /* If there is a spurious comma end can be the same as s */
+ if (end > s) {
+ /* strip any trailing blanks */
+ while (isspace(*(end - 1))) end--;
+
+ strcpy (pbuf, "@im=");
+ strncat (pbuf, s, end - s);
+ pbuf[end - s + 4] = '\0';
+ }
+
+ if ((p = XSetLocaleModifiers(pbuf)) != NULL && *p
+ && (xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL)) != NULL)
+ break;
+
+ s = ns + 1;
+ }
+
+ if (pbuf != buf) XtFree (pbuf);
+ }
+ if (xim == NULL) {
+ if ((p = XSetLocaleModifiers("")) != NULL) {
+ xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL);
+ }
+ }
+ if (xim == NULL) {
+ XtAppWarning(XtWidgetToApplicationContext(ve->parent),
+ "Input Method Open Failed");
+ return;
+ }
+ if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
+ || !xim_styles) {
+ XtAppWarning(XtWidgetToApplicationContext(ve->parent),
+ "input method doesn't support any style");
+ XCloseIM(xim);
+ return;
+ }
+ found = False;
+ for(ns = s = ve->im.preedit_type; s && !found;) {
+ while (*s && isspace(*s)) s++;
+ if (!*s) break;
+ if ((ns = end = strchr(s, ',')) == NULL)
+ end = s + strlen(s);
+ else
+ ns++;
+ if (end > s)
+ while (isspace(*(end - 1))) end--;
+
+ if (!strncmp(s, "OverTheSpot", end - s)) {
+ input_style = (XIMPreeditPosition | XIMStatusArea);
+ } else if (!strncmp(s, "OffTheSpot", end - s)) {
+ input_style = (XIMPreeditArea | XIMStatusArea);
+ } else if (!strncmp(s, "Root", end - s)) {
+ input_style = (XIMPreeditNothing | XIMStatusNothing);
+ }
+ for (i = 0; (unsigned short)i < xim_styles->count_styles; i++)
+ if (input_style == xim_styles->supported_styles[i]) {
+ ve->ic.input_style = input_style;
+ SetErrCnxt(ve->parent, xim);
+ ve->im.xim = xim;
+ found = True;
+ break;
+ }
+
+ s = ns;
+ }
+ XFree(xim_styles);
+
+ if (!found) {
+ XCloseIM(xim);
+ XtAppWarning(XtWidgetToApplicationContext(ve->parent),
+ "input method doesn't support my input style");
+ }
+}
+
+static Bool
+ResizeVendorShell_Core(VendorShellWidget vw, XawVendorShellExtPart *ve,
+ XawIcTableList p)
+{
+ XVaNestedList pe_attr, st_attr;
+ XRectangle pe_area, st_area;
+ XRectangle *get_pe_area = NULL, *get_st_area = NULL;
+
+ st_area.width = 0;
+ if (p->input_style & XIMStatusArea) {
+ st_attr = XVaCreateNestedList(0, XNArea, &get_st_area, NULL);
+ XGetICValues(p->xic, XNStatusAttributes, st_attr, NULL);
+ XFree(st_attr);
+ if (p->xic == NULL) {
+ return(FALSE);
+ }
+ st_area.x = 0;
+ st_area.y = vw->core.height - ve->im.area_height;
+ st_area.width = get_st_area->width;
+ st_area.height = get_st_area->height;
+ XFree(get_st_area);
+ st_attr = XVaCreateNestedList(0, XNArea, &st_area, NULL);
+ XSetICValues(p->xic, XNStatusAttributes, st_attr, NULL);
+ XFree(st_attr);
+ if (p->xic == NULL) {
+ return(FALSE);
+ }
+ }
+ if (p->input_style & XIMPreeditArea) {
+ pe_attr = XVaCreateNestedList(0, XNArea, &get_pe_area, NULL);
+ XGetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL);
+ XFree(pe_attr);
+ if (p->xic == NULL) {
+ return(FALSE);
+ }
+ pe_area.x = st_area.width;
+ pe_area.y = vw->core.height - ve->im.area_height;
+ pe_area.width = vw->core.width;
+ pe_area.height = get_pe_area->height;
+ if (p->input_style & XIMStatusArea) {
+ pe_area.width -= st_area.width;
+ }
+ XFree(get_pe_area);
+ pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL);
+ XSetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL);
+ XFree(pe_attr);
+ }
+ return(TRUE);
+}
+
+static void
+ResizeVendorShell(VendorShellWidget vw, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ if (IsSharedIC(ve)) {
+ p = ve->ic.shared_ic_table;
+ if (p->xic == NULL) return;
+ ResizeVendorShell_Core(vw, ve, p);
+ return;
+ }
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ if (p->xic == NULL) continue;
+ if (ResizeVendorShell_Core(vw, ve, p) == FALSE) return;
+ }
+}
+
+static XawIcTableList
+CreateIcTable(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList table;
+
+ table = (XawIcTableList) XtMalloc(sizeof(XawIcTablePart));
+ if (table == NULL) return(NULL);
+ table->widget = w;
+ table->xic = NULL;
+ table->flg = table->prev_flg = 0;
+ table->font_set = NULL;
+ table->foreground = table->background = 0xffffffff;
+ table->bg_pixmap = 0;
+ table->cursor_position = 0xffff;
+ table->line_spacing = 0;
+ table->ic_focused = FALSE;
+ table->openic_error = FALSE;
+ return(table);
+}
+
+static Bool
+RegisterToVendorShell(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList table;
+
+ if ((table = CreateIcTable(w, ve)) == NULL) return(FALSE);
+ table->next = ve->ic.ic_table;
+ ve->ic.ic_table = table;
+ return(TRUE);
+}
+
+static void
+UnregisterFromVendorShell(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList *prev, p;
+
+ for (prev = &ve->ic.ic_table; (p = *prev) != NULL; prev = &p->next) {
+ if (p->widget == w) {
+ *prev = p->next;
+ XtFree((char *)p);
+ break;
+ }
+ }
+ return;
+}
+
+static void
+SetICValuesShared(Widget w, XawVendorShellExtPart *ve,
+ XawIcTableList p, Bool check)
+{
+ XawIcTableList pp;
+
+ if ((pp = GetIcTable(w, ve)) == NULL) return;
+ if (check == TRUE && CurrentSharedIcTable(ve) != pp) return;
+
+ if (pp->prev_flg & CICursorP && p->cursor_position != pp->cursor_position) {
+ p->cursor_position = pp->cursor_position;
+ p->flg |= CICursorP;
+ }
+ if (pp->prev_flg & CIFontSet && p->font_set != pp->font_set) {
+ p->font_set = pp->font_set;
+ p->flg |= (CIFontSet|CICursorP);
+ }
+ if (pp->prev_flg & CIFg && p->foreground != pp->foreground) {
+ p->foreground = pp->foreground;
+ p->flg |= CIFg;
+ }
+ if (pp->prev_flg & CIBg && p->background != pp->background) {
+ p->background = pp->background;
+ p->flg |= CIBg;
+ }
+ if (pp->prev_flg & CIBgPixmap && p->bg_pixmap != pp->bg_pixmap) {
+ p->bg_pixmap = pp->bg_pixmap;
+ p->flg |= CIBgPixmap;
+ }
+ if (pp->prev_flg & CILineS && p->line_spacing != pp->line_spacing) {
+ p->line_spacing = pp->line_spacing;
+ p->flg |= CILineS;
+ }
+}
+
+static Bool
+IsCreatedIC(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ if (ve->im.xim == NULL) return(FALSE);
+ if ((p = GetIcTableShared(w, ve)) == NULL) return(FALSE);
+ if (p->xic == NULL) return(FALSE);
+ return(TRUE);
+}
+
+static void
+SizeNegotiation(XawIcTableList p, unsigned int width, unsigned int height)
+{
+ XRectangle pe_area, st_area;
+ XVaNestedList pe_attr = NULL, st_attr = NULL;
+ int ic_cnt = 0;
+ XRectangle *pe_area_needed = NULL, *st_area_needed = NULL;
+ XPointer ic_a[5];
+
+ if (p->input_style & XIMPreeditArea) {
+ pe_attr = XVaCreateNestedList(0, XNAreaNeeded, &pe_area_needed, NULL);
+ ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++;
+ }
+ if (p->input_style & XIMStatusArea) {
+ st_attr = XVaCreateNestedList(0, XNAreaNeeded, &st_area_needed, NULL);
+ ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++;
+ }
+ ic_a[ic_cnt] = (XPointer) NULL;
+
+ if (ic_cnt > 0) {
+ XGetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], NULL);
+ if (pe_attr) XFree(pe_attr);
+ if (st_attr) XFree(st_attr);
+ if (p->xic == NULL) {
+ p->openic_error = True;
+ return;
+ }
+ pe_attr = st_attr = NULL;
+ ic_cnt = 0;
+ if (p->input_style & XIMStatusArea) {
+ st_area.height = st_area_needed->height;
+ st_area.x = 0;
+ st_area.y = height - st_area.height;
+ if (p->input_style & XIMPreeditArea) {
+ st_area.width = st_area_needed->width;
+ } else {
+ st_area.width = width;
+ }
+
+ XFree(st_area_needed);
+ st_attr = XVaCreateNestedList(0, XNArea, &st_area, NULL);
+ ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++;
+ }
+ if (p->input_style & XIMPreeditArea) {
+ if (p->input_style & XIMStatusArea) {
+ pe_area.x = st_area.width;
+ pe_area.width = width - st_area.width;
+ } else {
+ pe_area.x = 0;
+ pe_area.width = width;
+ }
+ pe_area.height = pe_area_needed->height;
+ XFree(pe_area_needed);
+ pe_area.y = height - pe_area.height;
+ pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL);
+ ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++;
+ }
+ ic_a[ic_cnt] = (XPointer) NULL;
+ XSetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], NULL);
+ if (pe_attr) XFree(pe_attr);
+ if (st_attr) XFree(st_attr);
+ if (p->xic == NULL) {
+ p->openic_error = True;
+ return;
+ }
+ }
+}
+
+static void
+CreateIC(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+ XPoint position;
+ XRectangle pe_area, st_area;
+ XVaNestedList pe_attr = NULL, st_attr = NULL;
+ XPointer ic_a[20], pe_a[20], st_a[20];
+ Dimension height = 0;
+ int ic_cnt = 0, pe_cnt = 0, st_cnt = 0;
+ XawTextMargin *margin;
+
+ if (!XtIsRealized(w)) return;
+ if (((ve->im.xim == NULL) || (p = GetIcTableShared(w, ve)) == NULL) ||
+ p->xic || (p->openic_error != FALSE)) return;
+
+ p->input_style = GetInputStyleOfIC(ve);
+
+ if (IsSharedIC(ve)) SetICValuesShared(w, ve, p, FALSE);
+ XFlush(XtDisplay(w));
+
+ if (p->input_style & (XIMPreeditArea|XIMPreeditPosition|XIMStatusArea)) {
+ if (p->flg & CIFontSet) {
+ pe_a[pe_cnt] = (XPointer) XNFontSet; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->font_set; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNFontSet; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->font_set; st_cnt++;
+ if (p->font_set) {
+ height = maxAscentOfFontSet(p->font_set)
+ + maxDescentOfFontSet(p->font_set);
+ }
+ height = SetVendorShellHeight(ve, height);
+ }
+ if (p->flg & CIFg) {
+ pe_a[pe_cnt] = (XPointer) XNForeground; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->foreground; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNForeground; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->foreground; st_cnt++;
+ }
+ if (p->flg & CIBg) {
+ pe_a[pe_cnt] = (XPointer) XNBackground; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->background; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNBackground; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->background; st_cnt++;
+ }
+ if (p->flg & CIBgPixmap) {
+ pe_a[pe_cnt] = (XPointer) XNBackgroundPixmap; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->bg_pixmap; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNBackgroundPixmap; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->bg_pixmap; st_cnt++;
+ }
+ if (p->flg & CILineS) {
+ pe_a[pe_cnt] = (XPointer) XNLineSpace; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->line_spacing; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNLineSpace; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->line_spacing; st_cnt++;
+ }
+ }
+ if (p->input_style & XIMPreeditArea) {
+ pe_area.x = 0;
+ pe_area.y = ve->parent->core.height - height;
+ pe_area.width = ve->parent->core.width;
+ pe_area.height = height;
+ pe_a[pe_cnt] = (XPointer) XNArea; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) &pe_area; pe_cnt++;
+ }
+ if (p->input_style & XIMPreeditPosition) {
+ pe_area.x = 0;
+ pe_area.y = 0;
+ pe_area.width = w->core.width;
+ pe_area.height = w->core.height;
+ margin = &(((TextWidget)w)->text.margin);
+ pe_area.x += margin->left;
+ pe_area.y += margin->top;
+ pe_area.width -= (margin->left + margin->right - 1);
+ pe_area.height -= (margin->top + margin->bottom - 1);
+ pe_a[pe_cnt] = (XPointer) XNArea; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) &pe_area; pe_cnt++;
+ if (p->flg & CICursorP) {
+ _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y);
+ } else {
+ position.x = position.y = 0;
+ }
+ pe_a[pe_cnt] = (XPointer) XNSpotLocation; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) &position; pe_cnt++;
+ }
+ if (p->input_style & XIMStatusArea) {
+ st_area.x = 0;
+ st_area.y = ve->parent->core.height - height;
+ st_area.width = ve->parent->core.width;
+ st_area.height = height;
+ st_a[st_cnt] = (XPointer) XNArea; st_cnt++;
+ st_a[st_cnt] = (XPointer) &st_area; st_cnt++;
+ }
+
+ ic_a[ic_cnt] = (XPointer) XNInputStyle; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) p->input_style; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) XNClientWindow; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) XtWindow(ve->parent); ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) XNFocusWindow; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) XtWindow(w); ic_cnt++;
+
+ if (pe_cnt > 0) {
+ pe_a[pe_cnt] = (XPointer) NULL;
+ pe_attr = XVaCreateNestedList(0, pe_a[0], pe_a[1], pe_a[2], pe_a[3],
+ pe_a[4], pe_a[5], pe_a[6], pe_a[7], pe_a[8],
+ pe_a[9], pe_a[10], pe_a[11], pe_a[12],
+ pe_a[13], pe_a[14], pe_a[15], pe_a[16],
+ pe_a[17], pe_a[18], NULL);
+ ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++;
+ }
+
+ if (st_cnt > 0) {
+ st_a[st_cnt] = (XPointer) NULL;
+ st_attr = XVaCreateNestedList(0, st_a[0], st_a[1], st_a[2], st_a[3],
+ st_a[4], st_a[5], st_a[6], st_a[7], st_a[8],
+ st_a[9], st_a[10], st_a[11], st_a[12],
+ st_a[13], st_a[14], st_a[15], st_a[16],
+ st_a[17], st_a[18], NULL);
+ ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++;
+ }
+ ic_a[ic_cnt] = (XPointer) NULL;
+
+ p->xic = XCreateIC(ve->im.xim, ic_a[0], ic_a[1], ic_a[2], ic_a[3],
+ ic_a[4], ic_a[5], ic_a[6], ic_a[7], ic_a[8], ic_a[9],
+ ic_a[10], ic_a[11], ic_a[12], ic_a[13], ic_a[14],
+ ic_a[15], ic_a[16], ic_a[17], ic_a[18], NULL);
+ if (pe_attr) XtFree(pe_attr);
+ if (st_attr) XtFree(st_attr);
+
+ if (p->xic == NULL) {
+ p->openic_error = True;
+ return;
+ }
+
+ SizeNegotiation(p, ve->parent->core.width, ve->parent->core.height);
+
+ p->flg &= ~(CIFontSet | CIFg | CIBg | CIBgPixmap | CICursorP | CILineS);
+
+ if (!IsSharedIC(ve)) {
+ if (p->input_style & XIMPreeditPosition) {
+ XtAddEventHandler(w, (EventMask)StructureNotifyMask, FALSE,
+ (XtEventHandler)ConfigureCB, (Opaque)NULL);
+ }
+ }
+}
+
+static void
+SetICValues(Widget w, XawVendorShellExtPart *ve, Bool focus)
+{
+ XawIcTableList p;
+ XPoint position;
+ XRectangle pe_area;
+ XVaNestedList pe_attr = NULL, st_attr = NULL;
+ XPointer ic_a[20], pe_a[20], st_a[20];
+ int ic_cnt = 0, pe_cnt = 0, st_cnt = 0;
+ XawTextMargin *margin;
+ int height = 0;
+
+ if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
+ (p->xic == NULL)) return;
+
+ if (IsSharedIC(ve)) SetICValuesShared(w, ve, p, TRUE);
+ XFlush(XtDisplay(w));
+ if (focus == FALSE &&
+ !(p->flg & (CIFontSet | CIFg | CIBg |
+ CIBgPixmap | CICursorP | CILineS))) return;
+#ifdef SPOT
+ if ((p->input_style & XIMPreeditPosition)
+ && ((!IsSharedIC(ve) && ((p->flg & ~CIICFocus) == CICursorP))
+ || (IsSharedIC(ve) && p->flg == CICursorP))) {
+ _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y);
+ _XipChangeSpot(p->xic, position.x, position.y);
+ p->flg &= ~CICursorP;
+ return;
+ }
+#endif
+
+ if (p->input_style & (XIMPreeditArea|XIMPreeditPosition|XIMStatusArea)) {
+ if (p->flg & CIFontSet) {
+ pe_a[pe_cnt] = (XPointer) XNFontSet; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->font_set; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNFontSet; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->font_set; st_cnt++;
+ if (p->font_set) {
+ height = maxAscentOfFontSet(p->font_set)
+ + maxDescentOfFontSet(p->font_set);
+ }
+ height = SetVendorShellHeight(ve, height);
+ }
+ if (p->flg & CIFg) {
+ pe_a[pe_cnt] = (XPointer) XNForeground; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->foreground; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNForeground; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->foreground; st_cnt++;
+ }
+ if (p->flg & CIBg) {
+ pe_a[pe_cnt] = (XPointer) XNBackground; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->background; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNBackground; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->background; st_cnt++;
+ }
+ if (p->flg & CIBgPixmap) {
+ pe_a[pe_cnt] = (XPointer) XNBackgroundPixmap; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->bg_pixmap; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNBackgroundPixmap; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->bg_pixmap; st_cnt++;
+ }
+ if (p->flg & CILineS) {
+ pe_a[pe_cnt] = (XPointer) XNLineSpace; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) p->line_spacing; pe_cnt++;
+ st_a[st_cnt] = (XPointer) XNLineSpace; st_cnt++;
+ st_a[st_cnt] = (XPointer) p->line_spacing; st_cnt++;
+ }
+ }
+ if (p->input_style & XIMPreeditPosition) {
+ if (p->flg & CICursorP) {
+ _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y);
+ pe_a[pe_cnt] = (XPointer) XNSpotLocation; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) &position; pe_cnt++;
+ }
+ }
+ if (IsSharedIC(ve)) {
+ if (p->input_style & XIMPreeditPosition) {
+ pe_area.x = 0;
+ pe_area.y = 0;
+ pe_area.width = w->core.width;
+ pe_area.height = w->core.height;
+ margin = &(((TextWidget)w)->text.margin);
+ pe_area.x += margin->left;
+ pe_area.y += margin->top;
+ pe_area.width -= (margin->left + margin->right - 1);
+ pe_area.height -= (margin->top + margin->bottom - 1);
+ pe_a[pe_cnt] = (XPointer) XNArea; pe_cnt++;
+ pe_a[pe_cnt] = (XPointer) &pe_area; pe_cnt++;
+ }
+ }
+
+ if (pe_cnt > 0) {
+ pe_a[pe_cnt] = (XPointer) NULL;
+ pe_attr = XVaCreateNestedList(0, pe_a[0], pe_a[1], pe_a[2], pe_a[3],
+ pe_a[4], pe_a[5], pe_a[6], pe_a[7],
+ pe_a[8], pe_a[9], pe_a[10], pe_a[11],
+ pe_a[12], pe_a[13], pe_a[14], pe_a[15],
+ pe_a[16], pe_a[17], pe_a[18], NULL);
+ ic_a[ic_cnt] = (XPointer) XNPreeditAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) pe_attr; ic_cnt++;
+ }
+ if (st_cnt > 0) {
+ st_a[st_cnt] = (XPointer) NULL;
+ st_attr = XVaCreateNestedList(0, st_a[0], st_a[1], st_a[2], st_a[3],
+ st_a[4], st_a[5], st_a[6], st_a[7],
+ st_a[8], st_a[9], st_a[10], st_a[11],
+ st_a[12], st_a[13], st_a[14], st_a[15],
+ st_a[16], st_a[17], st_a[18], NULL);
+ ic_a[ic_cnt] = (XPointer) XNStatusAttributes; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) st_attr; ic_cnt++;
+ }
+ if (focus == TRUE) {
+ ic_a[ic_cnt] = (XPointer) XNFocusWindow; ic_cnt++;
+ ic_a[ic_cnt] = (XPointer) XtWindow(w); ic_cnt++;
+ }
+ if (ic_cnt > 0) {
+ ic_a[ic_cnt] = (XPointer) NULL;
+ XSetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], ic_a[4],
+ ic_a[5], ic_a[6], ic_a[7], ic_a[8], ic_a[9], ic_a[10],
+ ic_a[11], ic_a[12], ic_a[13], ic_a[14], ic_a[15],
+ ic_a[16], ic_a[17], ic_a[18], NULL);
+ if (pe_attr) XtFree(pe_attr);
+ if (st_attr) XtFree(st_attr);
+ }
+
+ if (IsSharedIC(ve) && p->flg & CIFontSet)
+ SizeNegotiation(p, ve->parent->core.width, ve->parent->core.height);
+
+ p->flg &= ~(CIFontSet | CIFg | CIBg | CIBgPixmap | CICursorP | CILineS);
+}
+
+static void
+SharedICChangeFocusWindow(Widget w, XawVendorShellExtPart *ve,
+ XawIcTableList p)
+{
+ XawIcTableList pp;
+
+ if (w == NULL) {
+ ve->ic.current_ic_table = NULL;
+ return;
+ }
+ if ((pp = GetIcTable(w, ve)) == NULL) return;
+ ve->ic.current_ic_table = pp;
+ SetICValues(w, ve, TRUE);
+}
+
+static XawIcTableList
+CurrentSharedIcTable(XawVendorShellExtPart *ve)
+{
+ return(ve->ic.current_ic_table);
+}
+
+static void
+SetICFocus(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p, pp;
+
+ if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
+ (p->xic == NULL)) return;
+
+ if (IsSharedIC(ve)) {
+ pp = CurrentSharedIcTable(ve);
+ if (pp == NULL || pp->widget != w) {
+ SharedICChangeFocusWindow(w, ve, p);
+ }
+ }
+ if (p->flg & CIICFocus && p->ic_focused == FALSE) {
+ p->ic_focused = TRUE;
+ XSetICFocus(p->xic);
+ }
+ p->flg &= ~CIICFocus;
+}
+
+static void
+UnsetICFocus(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p, pp;
+
+ if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
+ (p->xic == NULL)) return;
+
+ if (IsSharedIC(ve) && (pp = CurrentSharedIcTable(ve))) {
+ if (pp->widget != w) {
+ return;
+ }
+ SharedICChangeFocusWindow(NULL, ve, p);
+ }
+ if (p->ic_focused == TRUE) {
+ XUnsetICFocus(p->xic);
+ p->ic_focused = FALSE;
+ }
+}
+
+static void
+SetValues(Widget w, XawVendorShellExtPart *ve,
+ ArgList args, Cardinal num_args)
+{
+ ArgList arg;
+
+ XrmName argName;
+ XrmResourceList xrmres;
+ Cardinal i;
+ XawIcTablePart *p, save_tbl;
+
+ if ((p = GetIcTable(w, ve)) == NULL) return;
+
+ memcpy(&save_tbl, p, sizeof(XawIcTablePart));
+
+ for (arg = args ; num_args != 0; num_args--, arg++) {
+ argName = XrmStringToName(arg->name);
+ for (xrmres = (XrmResourceList)ve->im.resources, i = 0;
+ i < ve->im.num_resources; i++, xrmres++) {
+ if (argName == xrmres->xrm_name) {
+ _XtCopyFromArg(arg->value,
+ (char *)p - xrmres->xrm_offset - 1,
+ xrmres->xrm_size);
+ break;
+ }
+ }
+ }
+ if (p->font_set != save_tbl.font_set) {
+ p->flg |= CIFontSet;
+ }
+ if (p->foreground != save_tbl.foreground) {
+ p->flg |= CIFg;
+ }
+ if (p->background !=save_tbl.background) {
+ p->flg |= CIBg;
+ }
+ if (p->bg_pixmap != save_tbl.bg_pixmap) {
+ p->flg |= CIBgPixmap;
+ }
+ if (p->cursor_position != save_tbl.cursor_position) {
+ p->flg |= CICursorP;
+ }
+ if (p->line_spacing != save_tbl.line_spacing) {
+ p->flg |= CILineS;
+ }
+ p->prev_flg |= p->flg;
+}
+
+static void
+SetFocus(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+ if ((p = GetIcTableShared(w, ve)) == NULL) return;
+
+ if ( p->ic_focused == FALSE || IsSharedIC(ve)) {
+ p->flg |= CIICFocus;
+ }
+ p->prev_flg |= p->flg;
+}
+
+static void
+DestroyIC(Widget w, XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
+ (p->xic == NULL)) return;
+ if (IsSharedIC(ve)) {
+ if (GetIcTable(w, ve) == ve->ic.current_ic_table) {
+ UnsetICFocus(w, ve);
+ }
+ return;
+ }
+ XDestroyIC(p->xic);
+ if (!IsSharedIC(ve)) {
+ if (p->input_style & XIMPreeditPosition) {
+ XtRemoveEventHandler(w, (EventMask)StructureNotifyMask, FALSE,
+ (XtEventHandler)ConfigureCB, (Opaque)NULL);
+ }
+ }
+}
+
+static void
+SetFocusValues(Widget inwidg, ArgList args, Cardinal num_args, Bool focus)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+
+ if ((vw = SearchVendorShell(inwidg)) == NULL) return;
+ if ((ve = GetExtPart(vw)) != NULL) {
+ if (num_args > 0) SetValues(inwidg, ve, args, num_args);
+ if (focus) SetFocus(inwidg, ve);
+ if (XtIsRealized((Widget)vw) && ve->im.xim) {
+ if (IsCreatedIC(inwidg, ve)) {
+ SetICValues(inwidg, ve, FALSE);
+ if (focus) SetICFocus(inwidg, ve);
+ } else {
+ CreateIC(inwidg, ve);
+ SetICFocus(inwidg, ve);
+ }
+ }
+ }
+}
+
+static void
+UnsetFocus(Widget inwidg)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+ XawIcTableList p;
+
+ if ((vw = SearchVendorShell(inwidg)) == NULL) return;
+ if ((ve = GetExtPart(vw)) != NULL) {
+ if ((p = GetIcTableShared(inwidg, ve)) == NULL) return;
+ if (p->flg & CIICFocus) {
+ p->flg &= ~CIICFocus;
+ }
+ p->prev_flg &= ~CIICFocus;
+ if (ve->im.xim && XtIsRealized((Widget)vw) && p->xic) {
+ UnsetICFocus(inwidg, ve);
+ }
+ }
+}
+
+static Bool
+IsRegistered(Widget w, XawVendorShellExtPart* ve)
+{
+ XawIcTableList p;
+
+ for (p = ve->ic.ic_table; p; p = p->next)
+ {
+ if (p->widget == w) return(TRUE);
+ }
+ return(FALSE);
+}
+
+static void
+Register(Widget inwidg, XawVendorShellExtPart* ve)
+{
+ if (ve->im.xim == NULL)
+ {
+ OpenIM(ve);
+ }
+
+ if (IsRegistered(inwidg, ve)) return;
+
+ if (RegisterToVendorShell(inwidg, ve) == FALSE) return;
+
+ if (ve->im.xim == NULL) return;
+
+ if (XtIsRealized(ve->parent))
+ {
+ CreateIC(inwidg, ve);
+ SetICFocus(inwidg, ve);
+ }
+}
+
+static Bool
+NoRegistered(XawVendorShellExtPart* ve)
+{
+ if (ve->ic.ic_table == NULL) return(TRUE);
+ return(FALSE);
+}
+
+static void
+Unregister(Widget inwidg, XawVendorShellExtPart *ve)
+{
+ if (!IsRegistered(inwidg, ve)) return;
+
+ DestroyIC(inwidg, ve);
+
+ UnregisterFromVendorShell(inwidg, ve);
+
+ if (NoRegistered(ve))
+ {
+ CloseIM(ve);
+ ve->im.xim = NULL;
+ /*
+ * resize vendor shell to core size
+ */
+ (void) SetVendorShellHeight(ve, 0);
+ }
+}
+
+static void
+AllCreateIC(XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ if (ve->im.xim == NULL) return;
+ if (IsSharedIC(ve) && ve->ic.ic_table[0].widget) {
+ p = ve->ic.shared_ic_table;
+ if (p->xic == NULL)
+ CreateIC(ve->ic.ic_table[0].widget, ve);
+ SetICFocus(ve->ic.ic_table[0].widget, ve);
+ return;
+ }
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ if (p->xic == NULL)
+ CreateIC(p->widget, ve);
+ }
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ SetICFocus(p->widget, ve);
+ }
+}
+
+
+static void
+Reconnect(XawVendorShellExtPart *ve)
+{
+ XawIcTableList p;
+
+ ve->im.open_im = True;
+ if (ve->im.xim == NULL) {
+ OpenIM(ve);
+ }
+ if (ve->im.xim == NULL) return;
+
+ if (IsSharedIC(ve)) {
+ p = ve->ic.shared_ic_table;
+ p->flg = p->prev_flg;
+ p->openic_error = FALSE;
+ } else {
+ for (p = ve->ic.ic_table; p; p = p->next) {
+ p->flg = p->prev_flg;
+ p->openic_error = FALSE;
+ }
+ }
+ AllCreateIC(ve);
+}
+
+
+static void
+CompileResourceList(XtResourceList res, unsigned int num_res)
+{
+ unsigned int count;
+
+#define xrmres ((XrmResourceList) res)
+ for (count = 0; count < num_res; res++, count++) {
+ xrmres->xrm_name = XrmPermStringToQuark(res->resource_name);
+ xrmres->xrm_class = XrmPermStringToQuark(res->resource_class);
+ xrmres->xrm_type = XrmPermStringToQuark(res->resource_type);
+ xrmres->xrm_offset = -res->resource_offset - 1;
+ xrmres->xrm_default_type = XrmPermStringToQuark(res->default_type);
+ }
+#undef xrmres
+}
+
+static Bool
+Initialize(VendorShellWidget vw, XawVendorShellExtPart *ve)
+{
+ if (!XtIsVendorShell((Widget)vw)) return(FALSE);
+ ve->parent = (Widget)vw;
+ ve->im.xim = NULL;
+ ve->im.area_height = 0;
+ ve->im.resources = (XrmResourceList)XtMalloc(sizeof(resources));
+ if (ve->im.resources == NULL) return(FALSE);
+ memcpy((char *)ve->im.resources, (char *)resources, sizeof(resources));
+ ve->im.num_resources = XtNumber(resources);
+ CompileResourceList( (XtResourceList) ve->im.resources,
+ ve->im.num_resources );
+ if ((ve->ic.shared_ic_table = CreateIcTable( (Widget)vw, ve)) == NULL)
+ return(FALSE);
+ ve->ic.current_ic_table = NULL;
+ ve->ic.ic_table = NULL;
+ return(TRUE);
+}
+
+
+/* Destroy()
+ *
+ * This frees all (most?) of the resources malloced by XawIm.
+ * It is called by _XawImDestroy, which is called by Vendor.c's
+ * VendorExt's Destroy method. Sheeran, Omron KK, 93/08/05 */
+
+static void
+Destroy(Widget w, XawVendorShellExtPart *ve)
+{
+ contextDataRec *contextData;
+ contextErrDataRec *contextErrData;
+
+ if (!XtIsVendorShell( w ) )
+ return;
+ XtFree( (char*) ve->im.resources );
+
+ if (extContext != (XContext)NULL &&
+ !XFindContext (XtDisplay (w), (Window)w,
+ extContext, (XPointer*)&contextData))
+ XtFree( (char*) contextData );
+
+ if (errContext != (XContext)NULL &&
+ !XFindContext (XDisplayOfIM( ve->im.xim ), (Window) ve->im.xim,
+ errContext, (XPointer*) &contextErrData))
+ XtFree( (char*) contextErrData );
+}
+
+/*********************************************
+ *
+ * SEMI-PRIVATE FUNCTIONS
+ * For use by other Xaw modules
+ *
+ ********************************************/
+
+void
+_XawImResizeVendorShell(Widget w)
+{
+ XawVendorShellExtPart *ve;
+
+ if ( ( ve = GetExtPart( (VendorShellWidget) w ) ) && ve->im.xim ) {
+ ResizeVendorShell( (VendorShellWidget) w, ve );
+ }
+}
+
+
+Dimension
+_XawImGetShellHeight(Widget w)
+{
+ XawVendorShellExtPart *ve;
+
+ if (!XtIsVendorShell( w ) ) return( w->core.height );
+ if ( (ve = GetExtPart( (VendorShellWidget) w )) != NULL ) {
+ return( w->core.height - ve->im.area_height );
+ }
+ return( w->core.height );
+}
+
+void
+_XawImRealize(Widget w)
+{
+ XawVendorShellExtPart *ve;
+
+ if ( !XtIsRealized( w ) || !XtIsVendorShell( w ) ) return;
+ if ( (ve = GetExtPart( (VendorShellWidget) w )) != NULL ) {
+ XtAddEventHandler( w, (EventMask)StructureNotifyMask, FALSE,
+ XawVendorStructureNotifyHandler, (XtPointer)NULL );
+ AllCreateIC(ve);
+ }
+}
+
+void
+_XawImInitialize(Widget w, Widget ext)
+{
+ XawVendorShellExtPart *ve;
+
+ if ( !XtIsVendorShell( w ) ) return;
+ if ( (ve = SetExtPart( (VendorShellWidget) w, (XawVendorShellExtWidget)ext )) != NULL ) {
+ if ( Initialize( (VendorShellWidget) w, ve ) == FALSE ) return;
+ XtAddCallback( w, XtNdestroyCallback, VendorShellDestroyed,
+ (XtPointer) NULL );
+ }
+}
+
+void
+_XawImReconnect(Widget inwidg)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+
+ if ((vw = SearchVendorShell(inwidg)) == NULL) return;
+ if ((ve = GetExtPart(vw)) != NULL) {
+ Reconnect(ve);
+ }
+}
+
+void
+_XawImRegister(Widget inwidg)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+
+ if ((vw = SearchVendorShell(inwidg)) == NULL) return;
+ if ((ve = GetExtPart(vw)) != NULL) {
+ Register(inwidg, ve);
+ }
+}
+
+void
+_XawImUnregister(Widget inwidg)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+
+ if ((vw = SearchVendorShell(inwidg)) == NULL) return;
+ if ((ve = GetExtPart(vw)) != NULL) {
+ Unregister(inwidg, ve);
+ }
+}
+
+void
+_XawImSetValues(Widget inwidg, ArgList args, Cardinal num_args)
+{
+ SetFocusValues( inwidg, args, num_args, FALSE );
+}
+
+void
+_XawImSetFocusValues(Widget inwidg, ArgList args, Cardinal num_args)
+{
+ SetFocusValues(inwidg, args, num_args, TRUE);
+}
+
+void
+_XawImUnsetFocus(Widget inwidg)
+{
+ UnsetFocus(inwidg);
+}
+
+int
+_XawImWcLookupString(Widget inwidg, XKeyPressedEvent *event,
+ wchar_t* buffer_return, int bytes_buffer,
+ KeySym *keysym_return)
+{
+ XawVendorShellExtPart* ve;
+ VendorShellWidget vw;
+ XawIcTableList p;
+ int i, ret;
+ char tmp_buf[64], *tmp_p;
+ wchar_t* buf_p;
+
+ if ((vw = SearchVendorShell(inwidg)) && (ve = GetExtPart(vw)) &&
+ ve->im.xim && (p = GetIcTableShared(inwidg, ve)) && p->xic) {
+ return(XwcLookupString(p->xic, event, buffer_return, bytes_buffer/sizeof(wchar_t),
+ keysym_return, NULL));
+ }
+ ret = XLookupString( event, tmp_buf, sizeof(tmp_buf), keysym_return,
+ NULL );
+ for ( i = 0, tmp_p = tmp_buf, buf_p = buffer_return; i < ret; i++ ) {
+ *buf_p++ = _Xaw_atowc(*tmp_p++);
+ }
+ return( ret );
+}
+
+int
+_XawLookupString(Widget w, XKeyEvent *event, char *buffer_return, int buffer_size,
+ KeySym *keysym_return)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+ XawIcTableList p;
+
+ if ((vw = SearchVendorShell(w)) && (ve = GetExtPart(vw))
+ && ve->im.xim && (p = GetIcTableShared(w, ve)) && p->xic)
+ return (XmbLookupString(p->xic, event, buffer_return, buffer_size,
+ keysym_return, NULL));
+
+ return (XLookupString(event, buffer_return, buffer_size,
+ keysym_return, NULL));
+}
+
+int
+_XawImGetImAreaHeight(Widget w)
+{
+ XawVendorShellExtPart *ve;
+ VendorShellWidget vw;
+
+ if ((vw = SearchVendorShell(w)) && (ve = GetExtPart(vw))) {
+ return(ve->im.area_height);
+ }
+ return(0);
+}
+
+void
+_XawImCallVendorShellExtResize(Widget w)
+{
+ VendorShellWidget vw;
+
+ if ((vw = SearchVendorShell(w)) && GetExtPart(vw)) {
+ XawVendorShellExtResize((Widget)vw);
+ }
+}
+
+
+/* _XawImDestroy()
+ *
+ * This should be called by the VendorExt from its
+ * core Destroy method. Sheeran, Omron KK 93/08/05 */
+
+void
+_XawImDestroy(Widget w, Widget ext)
+{
+ XawVendorShellExtPart *ve;
+
+ if ( !XtIsVendorShell( w ) ) return;
+ if ( (ve = GetExtPart( (VendorShellWidget) w )) != NULL )
+ Destroy( w, ve );
+}
diff --git a/libXaw/src/XawInit.c b/libXaw/src/XawInit.c index c10a9b64b..89d339aff 100644 --- a/libXaw/src/XawInit.c +++ b/libXaw/src/XawInit.c @@ -1,97 +1,97 @@ -/* - * -Copyright 1989, 1998 The Open Group -Copyright 2003-2004 Roland Mainz <roland.mainz@nrubsig.org> - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - * - * XawInitializeWidgetSet - * - * This routine forces a reference to vendor shell so that the one in this - * widget is installed. Any other cross-widget set initialization should be - * done here as well. All Athena widgets should include "XawInit.h" and - * call this routine from their ClassInitialize procs (this routine may be - * used as the class init proc). - */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/Intrinsic.h> -#include <X11/Vendor.h> -#include <X11/Xaw/XawInit.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include "Private.h" - -void -XawInitializeWidgetSet(void) -{ - static Boolean firsttime = True; - - if (firsttime) { - firsttime = False; -#ifndef OLDXAW - XawPixmapsInitialize(); - XawInitializeDefaultConverters(); -#endif - XtInitializeWidgetClass(vendorShellWidgetClass); - } -} - -/* XawOpenApplication() - mainly identical to XtOpenApplication() but - * takes a |Display *| and |Screen *| as arguments, too... */ -Widget XawOpenApplication(XtAppContext *app_context_return, - Display *dpy, - Screen *screen, - String application_name, - String application_class, - WidgetClass widget_class, - int *argc, - String *argv) -{ - Widget toplevel; - Cardinal n; - Arg args[2]; - - XtToolkitInitialize(); - *app_context_return = XtCreateApplicationContext(); - if( *app_context_return == NULL ) - return NULL; - - XtDisplayInitialize(*app_context_return, dpy, - application_name, application_class, - NULL, 0, - argc, argv); - - n = 0; - if (screen) { - XtSetArg(args[n], XtNscreen, screen); n++; - } - toplevel = XtAppCreateShell(application_name, - application_class, - widget_class, - dpy, - args, n); - - return toplevel; -} - +/*
+ *
+Copyright 1989, 1998 The Open Group
+Copyright 2003-2004 Roland Mainz <roland.mainz@nrubsig.org>
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ *
+ * XawInitializeWidgetSet
+ *
+ * This routine forces a reference to vendor shell so that the one in this
+ * widget is installed. Any other cross-widget set initialization should be
+ * done here as well. All Athena widgets should include "XawInit.h" and
+ * call this routine from their ClassInitialize procs (this routine may be
+ * used as the class init proc).
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Intrinsic.h>
+#include <X11/Vendor.h>
+#include <X11/Xaw/XawInit.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include "Private.h"
+
+void
+XawInitializeWidgetSet(void)
+{
+ static Boolean firsttime = True;
+
+ if (firsttime) {
+ firsttime = False;
+#ifndef OLDXAW
+ XawPixmapsInitialize();
+ XawInitializeDefaultConverters();
+#endif
+ XtInitializeWidgetClass(vendorShellWidgetClass);
+ }
+}
+
+/* XawOpenApplication() - mainly identical to XtOpenApplication() but
+ * takes a |Display *| and |Screen *| as arguments, too... */
+Widget XawOpenApplication(XtAppContext *app_context_return,
+ Display *dpy,
+ Screen *screen,
+ String application_name,
+ String application_class,
+ WidgetClass widget_class,
+ int *argc,
+ String *argv)
+{
+ Widget toplevel;
+ Cardinal n;
+ Arg args[2];
+
+ XtToolkitInitialize();
+ *app_context_return = XtCreateApplicationContext();
+ if( *app_context_return == NULL )
+ return NULL;
+
+ XtDisplayInitialize(*app_context_return, dpy,
+ application_name, application_class,
+ NULL, 0,
+ argc, argv);
+
+ n = 0;
+ if (screen) {
+ XtSetArg(args[n], XtNscreen, screen); n++;
+ }
+ toplevel = XtAppCreateShell(application_name,
+ application_class,
+ widget_class,
+ dpy,
+ args, n);
+
+ return toplevel;
+}
+
diff --git a/libXaw/src/makefile b/libXaw/src/makefile new file mode 100644 index 000000000..b0dde1df9 --- /dev/null +++ b/libXaw/src/makefile @@ -0,0 +1,53 @@ +LIBRARY = libXaw +INCLUDES := .. ../include ../include/X11 $(INCLUDES) + +DEFINES += XT_NO_SM + +CSRCS = \ + Actions.c \ + AllWidgets.c \ + AsciiSink.c \ + AsciiSrc.c \ + AsciiText.c \ + Box.c \ + Command.c \ + Converters.c \ + Dialog.c \ + DisplayList.c \ + Form.c \ + Grip.c \ + Label.c \ + List.c \ + MenuButton.c \ + MultiSrc.c \ + MultiSink.c \ + OS.c \ + Paned.c \ + Panner.c \ + Pixmap.c \ + Porthole.c \ + Repeater.c \ + Scrollbar.c \ + Simple.c \ + SimpleMenu.c \ + Sme.c \ + SmeBSB.c \ + SmeLine.c \ + StripChart.c \ + Text.c \ + TextSink.c \ + TextSrc.c \ + TextAction.c \ + TextPop.c \ + TextTr.c \ + Toggle.c \ + Tree.c \ + Vendor.c \ + Viewport.c \ + XawIm.c \ + XawInit.c \ + XawI18n.c \ + Tip.c + + +DEFINES += XAW7 diff --git a/libXaw/src/sharedlib.c b/libXaw/src/sharedlib.c index e892d82c2..31903fc4b 100644 --- a/libXaw/src/sharedlib.c +++ b/libXaw/src/sharedlib.c @@ -1,173 +1,173 @@ -/* - -Copyright 1991, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#if defined(SUNSHLIB) && !defined(SHAREDCODE) - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/IntrinsicP.h> -#include <X11/Xaw/AsciiSinkP.h> -#include <X11/Xaw/AsciiSrcP.h> -#include <X11/Xaw/AsciiTextP.h> -#include <X11/Xaw/MultiSinkP.h> -#include <X11/Xaw/MultiSrcP.h> -#include <X11/Xaw/BoxP.h> -#include <X11/Xaw/CommandP.h> -#include <X11/Xaw/DialogP.h> -#include <X11/Xaw/FormP.h> -#include <X11/Xaw/GripP.h> -#include <X11/Xaw/LabelP.h> -#include <X11/Xaw/ListP.h> -#include <X11/Xaw/MenuButtoP.h> -#include <X11/Xaw/PanedP.h> -#include <X11/Xaw/PannerP.h> -#include <X11/Xaw/PortholeP.h> -#include <X11/Xaw/RepeaterP.h> -#include <X11/Xaw/ScrollbarP.h> -#include <X11/Xaw/SimpleP.h> -#include <X11/Xaw/SimpleMenP.h> -#include <X11/Xaw/SmeP.h> -#include <X11/Xaw/SmeBSBP.h> -#include <X11/Xaw/SmeLineP.h> -#include <X11/Xaw/StripCharP.h> -#include <X11/Xaw/TextP.h> -#include <X11/Xaw/TextSinkP.h> -#include <X11/Xaw/TextSrcP.h> -#include <X11/Xaw/ToggleP.h> -#include <X11/Xaw/TreeP.h> -#include <X11/VendorP.h> -#include <X11/Xaw/ViewportP.h> - -extern AsciiSinkClassRec asciiSinkClassRec; -WidgetClass asciiSinkObjectClass = (WidgetClass)&asciiSinkClassRec; - -extern AsciiSrcClassRec asciiSrcClassRec; -WidgetClass asciiSrcObjectClass = (WidgetClass)&asciiSrcClassRec; - -extern AsciiTextClassRec asciiTextClassRec; -WidgetClass asciiTextWidgetClass = (WidgetClass)&asciiTextClassRec; - -#ifdef ASCII_STRING -extern AsciiStringClassRec asciiStringClassRec; -WidgetClass asciiStringWidgetClass = (WidgetClass)&asciiStringClassRec; -#endif - -#ifdef ASCII_DISK -extern AsciiDiskClassRec asciiDiskClassRec; -WidgetClass asciiDiskWidgetClass = (WidgetClass)&asciiDiskClassRec; -#endif - -extern MultiSinkClassRec multiSinkClassRec; -WidgetClass multiSinkObjectClass = (WidgetClass)&multiSinkClassRec; - -extern MultiSrcClassRec multiSrcClassRec; -WidgetClass multiSrcObjectClass = (WidgetClass)&multiSrcClassRec; - -extern BoxClassRec boxClassRec; -WidgetClass boxWidgetClass = (WidgetClass)&boxClassRec; - -extern CommandClassRec commandClassRec; -WidgetClass commandWidgetClass = (WidgetClass) &commandClassRec; - -extern DialogClassRec dialogClassRec; -WidgetClass dialogWidgetClass = (WidgetClass)&dialogClassRec; - -extern FormClassRec formClassRec; -WidgetClass formWidgetClass = (WidgetClass)&formClassRec; - -extern GripClassRec gripClassRec; -WidgetClass gripWidgetClass = (WidgetClass) &gripClassRec; - -extern LabelClassRec labelClassRec; -WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec; - -extern ListClassRec listClassRec; -WidgetClass listWidgetClass = (WidgetClass)&listClassRec; - -extern MenuButtonClassRec menuButtonClassRec; -WidgetClass menuButtonWidgetClass = (WidgetClass) &menuButtonClassRec; - -extern PanedClassRec panedClassRec; -WidgetClass panedWidgetClass = (WidgetClass) &panedClassRec; -WidgetClass vPanedWidgetClass = (WidgetClass) &panedClassRec; - -extern PannerClassRec pannerClassRec; -WidgetClass pannerWidgetClass = (WidgetClass) &pannerClassRec; - -extern PortholeClassRec portholeClassRec; -WidgetClass portholeWidgetClass = (WidgetClass) &portholeClassRec; - -extern RepeaterClassRec repeaterClassRec; -WidgetClass repeaterWidgetClass = (WidgetClass) &repeaterClassRec; - -extern ScrollbarClassRec scrollbarClassRec; -WidgetClass scrollbarWidgetClass = (WidgetClass)&scrollbarClassRec; - -extern SimpleClassRec simpleClassRec; -WidgetClass simpleWidgetClass = (WidgetClass)&simpleClassRec; - -extern SimpleMenuClassRec simpleMenuClassRec; -WidgetClass simpleMenuWidgetClass = (WidgetClass)&simpleMenuClassRec; - -extern SmeClassRec smeClassRec; -WidgetClass smeObjectClass = (WidgetClass) &smeClassRec; - -extern SmeBSBClassRec smeBSBClassRec; -WidgetClass smeBSBObjectClass = (WidgetClass) &smeBSBClassRec; - -extern SmeLineClassRec smeLineClassRec; -WidgetClass smeLineObjectClass = (WidgetClass) &smeLineClassRec; - -extern StripChartClassRec stripChartClassRec; -WidgetClass stripChartWidgetClass = (WidgetClass) &stripChartClassRec; - -extern TextClassRec textClassRec; -WidgetClass textWidgetClass = (WidgetClass)&textClassRec; - -unsigned long FMT8BIT = 0L; -unsigned long XawFmt8Bit = 0L; -unsigned long XawFmtWide = 0L; - -extern TextSinkClassRec textSinkClassRec; -WidgetClass textSinkObjectClass = (WidgetClass)&textSinkClassRec; - -extern TextSrcClassRec textSrcClassRec; -WidgetClass textSrcObjectClass = (WidgetClass)&textSrcClassRec; - -extern ToggleClassRec toggleClassRec; -WidgetClass toggleWidgetClass = (WidgetClass) &toggleClassRec; - -extern TreeClassRec treeClassRec; -WidgetClass treeWidgetClass = (WidgetClass) &treeClassRec; - -extern VendorShellClassRec vendorShellClassRec; -WidgetClass vendorShellWidgetClass = (WidgetClass) &vendorShellClassRec; - -extern ViewportClassRec viewportClassRec; -WidgetClass viewportWidgetClass = (WidgetClass)&viewportClassRec; - -#endif /* SUNSHLIB */ +/*
+
+Copyright 1991, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#if defined(SUNSHLIB) && !defined(SHAREDCODE)
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/Xaw/AsciiSinkP.h>
+#include <X11/Xaw/AsciiSrcP.h>
+#include <X11/Xaw/AsciiTextP.h>
+#include <X11/Xaw/MultiSinkP.h>
+#include <X11/Xaw/MultiSrcP.h>
+#include <X11/Xaw/BoxP.h>
+#include <X11/Xaw/CommandP.h>
+#include <X11/Xaw/DialogP.h>
+#include <X11/Xaw/FormP.h>
+#include <X11/Xaw/GripP.h>
+#include <X11/Xaw/LabelP.h>
+#include <X11/Xaw/ListP.h>
+#include <X11/Xaw/MenuButtoP.h>
+#include <X11/Xaw/PanedP.h>
+#include <X11/Xaw/PannerP.h>
+#include <X11/Xaw/PortholeP.h>
+#include <X11/Xaw/RepeaterP.h>
+#include <X11/Xaw/ScrollbarP.h>
+#include <X11/Xaw/SimpleP.h>
+#include <X11/Xaw/SimpleMenP.h>
+#include <X11/Xaw/SmeP.h>
+#include <X11/Xaw/SmeBSBP.h>
+#include <X11/Xaw/SmeLineP.h>
+#include <X11/Xaw/StripCharP.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/TextSinkP.h>
+#include <X11/Xaw/TextSrcP.h>
+#include <X11/Xaw/ToggleP.h>
+#include <X11/Xaw/TreeP.h>
+#include <X11/VendorP.h>
+#include <X11/Xaw/ViewportP.h>
+
+extern AsciiSinkClassRec asciiSinkClassRec;
+WidgetClass asciiSinkObjectClass = (WidgetClass)&asciiSinkClassRec;
+
+extern AsciiSrcClassRec asciiSrcClassRec;
+WidgetClass asciiSrcObjectClass = (WidgetClass)&asciiSrcClassRec;
+
+extern AsciiTextClassRec asciiTextClassRec;
+WidgetClass asciiTextWidgetClass = (WidgetClass)&asciiTextClassRec;
+
+#ifdef ASCII_STRING
+extern AsciiStringClassRec asciiStringClassRec;
+WidgetClass asciiStringWidgetClass = (WidgetClass)&asciiStringClassRec;
+#endif
+
+#ifdef ASCII_DISK
+extern AsciiDiskClassRec asciiDiskClassRec;
+WidgetClass asciiDiskWidgetClass = (WidgetClass)&asciiDiskClassRec;
+#endif
+
+extern MultiSinkClassRec multiSinkClassRec;
+WidgetClass multiSinkObjectClass = (WidgetClass)&multiSinkClassRec;
+
+extern MultiSrcClassRec multiSrcClassRec;
+WidgetClass multiSrcObjectClass = (WidgetClass)&multiSrcClassRec;
+
+extern BoxClassRec boxClassRec;
+WidgetClass boxWidgetClass = (WidgetClass)&boxClassRec;
+
+extern CommandClassRec commandClassRec;
+WidgetClass commandWidgetClass = (WidgetClass) &commandClassRec;
+
+extern DialogClassRec dialogClassRec;
+WidgetClass dialogWidgetClass = (WidgetClass)&dialogClassRec;
+
+extern FormClassRec formClassRec;
+WidgetClass formWidgetClass = (WidgetClass)&formClassRec;
+
+extern GripClassRec gripClassRec;
+WidgetClass gripWidgetClass = (WidgetClass) &gripClassRec;
+
+extern LabelClassRec labelClassRec;
+WidgetClass labelWidgetClass = (WidgetClass)&labelClassRec;
+
+extern ListClassRec listClassRec;
+WidgetClass listWidgetClass = (WidgetClass)&listClassRec;
+
+extern MenuButtonClassRec menuButtonClassRec;
+WidgetClass menuButtonWidgetClass = (WidgetClass) &menuButtonClassRec;
+
+extern PanedClassRec panedClassRec;
+WidgetClass panedWidgetClass = (WidgetClass) &panedClassRec;
+WidgetClass vPanedWidgetClass = (WidgetClass) &panedClassRec;
+
+extern PannerClassRec pannerClassRec;
+WidgetClass pannerWidgetClass = (WidgetClass) &pannerClassRec;
+
+extern PortholeClassRec portholeClassRec;
+WidgetClass portholeWidgetClass = (WidgetClass) &portholeClassRec;
+
+extern RepeaterClassRec repeaterClassRec;
+WidgetClass repeaterWidgetClass = (WidgetClass) &repeaterClassRec;
+
+extern ScrollbarClassRec scrollbarClassRec;
+WidgetClass scrollbarWidgetClass = (WidgetClass)&scrollbarClassRec;
+
+extern SimpleClassRec simpleClassRec;
+WidgetClass simpleWidgetClass = (WidgetClass)&simpleClassRec;
+
+extern SimpleMenuClassRec simpleMenuClassRec;
+WidgetClass simpleMenuWidgetClass = (WidgetClass)&simpleMenuClassRec;
+
+extern SmeClassRec smeClassRec;
+WidgetClass smeObjectClass = (WidgetClass) &smeClassRec;
+
+extern SmeBSBClassRec smeBSBClassRec;
+WidgetClass smeBSBObjectClass = (WidgetClass) &smeBSBClassRec;
+
+extern SmeLineClassRec smeLineClassRec;
+WidgetClass smeLineObjectClass = (WidgetClass) &smeLineClassRec;
+
+extern StripChartClassRec stripChartClassRec;
+WidgetClass stripChartWidgetClass = (WidgetClass) &stripChartClassRec;
+
+extern TextClassRec textClassRec;
+WidgetClass textWidgetClass = (WidgetClass)&textClassRec;
+
+unsigned long FMT8BIT = 0L;
+unsigned long XawFmt8Bit = 0L;
+unsigned long XawFmtWide = 0L;
+
+extern TextSinkClassRec textSinkClassRec;
+WidgetClass textSinkObjectClass = (WidgetClass)&textSinkClassRec;
+
+extern TextSrcClassRec textSrcClassRec;
+WidgetClass textSrcObjectClass = (WidgetClass)&textSrcClassRec;
+
+extern ToggleClassRec toggleClassRec;
+WidgetClass toggleWidgetClass = (WidgetClass) &toggleClassRec;
+
+extern TreeClassRec treeClassRec;
+WidgetClass treeWidgetClass = (WidgetClass) &treeClassRec;
+
+extern VendorShellClassRec vendorShellClassRec;
+WidgetClass vendorShellWidgetClass = (WidgetClass) &vendorShellClassRec;
+
+extern ViewportClassRec viewportClassRec;
+WidgetClass viewportWidgetClass = (WidgetClass)&viewportClassRec;
+
+#endif /* SUNSHLIB */
|