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Diffstat (limited to 'libXaw/src/Dialog.c')
| -rw-r--r-- | libXaw/src/Dialog.c | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/libXaw/src/Dialog.c b/libXaw/src/Dialog.c new file mode 100644 index 000000000..62d91b883 --- /dev/null +++ b/libXaw/src/Dialog.c @@ -0,0 +1,463 @@ +/* $Xorg: Dialog.c,v 1.4 2001/02/09 02:03:43 xorgcvs Exp $ */ + +/*********************************************************** + +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. + +******************************************************************/ +/* $XFree86: xc/lib/Xaw/Dialog.c,v 1.7 2001/01/17 19:42:26 dawes Exp $ */ + +#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); +} |