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+/* $Xorg: EditresCom.c,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */
+
+/*
+
+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.
+
+*/
+/* $XFree86: xc/lib/Xmu/EditresCom.c,v 1.21 2003/10/24 15:44:05 tsi Exp $ */
+
+/*
+ * Author: Chris D. Peterson, Dave Sternlicht, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h> /* To get into the composite and core widget
+ structures. */
+#include <X11/ObjectP.h> /* For XtIs<Classname> macros. */
+#include <X11/StringDefs.h> /* for XtRString. */
+#include <X11/ShellP.h> /* for Application Shell Widget class. */
+
+#include <X11/Xatom.h>
+#include <X11/Xos.h> /* for strcpy declaration */
+#include <X11/Xfuncs.h>
+#include <X11/Xmu/EditresP.h>
+#include <X11/Xmd.h>
+#include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/SysUtil.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define _XEditResPutBool _XEditResPut8
+#define _XEditResPutResourceType _XEditResPut8
+
+/*
+ * Types
+ */
+typedef enum {
+ BlockNone,
+ BlockSetValues,
+ BlockAll
+} EditresBlock;
+
+typedef struct _SetValuesEvent {
+ EditresCommand type; /* first field must be type */
+ WidgetInfo *widgets;
+ unsigned short num_entries; /* number of set values requests */
+ char *name;
+ char *res_type;
+ XtPointer value;
+ unsigned short value_len;
+} SetValuesEvent;
+
+typedef struct _SVErrorInfo {
+ SetValuesEvent *event;
+ ProtocolStream *stream;
+ unsigned short *count;
+ WidgetInfo *entry;
+} SVErrorInfo;
+
+typedef struct _GetValuesEvent {
+ EditresCommand type; /* first field must be type */
+ WidgetInfo *widgets;
+ unsigned short num_entries; /* number of get values requests */
+ char *name;
+} GetValuesEvent;
+
+typedef struct _FindChildEvent {
+ EditresCommand type; /* first field must be type */
+ WidgetInfo *widgets;
+ short x, y;
+} FindChildEvent;
+
+typedef struct _GenericGetEvent {
+ EditresCommand type; /* first field must be type */
+ WidgetInfo *widgets;
+ unsigned short num_entries; /* number of set values requests */
+} GenericGetEvent, GetResEvent, GetGeomEvent;
+
+/*
+ * Common to all events
+ */
+typedef struct _AnyEvent {
+ EditresCommand type; /* first field must be type */
+ WidgetInfo *widgets;
+} AnyEvent;
+
+/*
+ * The event union
+ */
+typedef union _EditresEvent {
+ AnyEvent any_event;
+ SetValuesEvent set_values_event;
+ GetResEvent get_resources_event;
+ GetGeomEvent get_geometry_event;
+ FindChildEvent find_child_event;
+} EditresEvent;
+
+typedef struct _Globals {
+ EditresBlock block;
+ SVErrorInfo error_info;
+ ProtocolStream stream;
+ ProtocolStream *command_stream; /* command stream */
+#if defined(LONG64) || defined(WORD64)
+ unsigned long base_address;
+#endif
+} Globals;
+
+#define CURRENT_PROTOCOL_VERSION 5L
+
+#define streq(a,b) (strcmp((a), (b)) == 0)
+
+/*
+ * Prototypes
+ */
+static Widget _FindChild(Widget, int, int);
+static void _XEditresGetStringValues(Widget, Arg*, int);
+static XtPointer BuildReturnPacket(ResIdent, EditResError, ProtocolStream*);
+static void CommandDone(Widget, Atom*, Atom*);
+static Boolean ConvertReturnCommand(Widget, Atom*, Atom*, Atom*, XtPointer*,
+ unsigned long*, int*);
+static Boolean CvtStringToBlock(Display*, XrmValue*, Cardinal*,
+ XrmValue*, XrmValue*, XtPointer*);
+static EditresEvent *BuildEvent(Widget, Atom, XtPointer, ResIdent,
+ unsigned long);
+static char *DoFindChild(Widget, EditresEvent*, ProtocolStream*);
+static char *DoGetGeometry(Widget, EditresEvent*, ProtocolStream*);
+static char *DoGetResources(Widget, EditresEvent*, ProtocolStream*);
+static char *DoSetValues(Widget, EditresEvent*, ProtocolStream*);
+static void DumpChildren(Widget, ProtocolStream*, unsigned short*);
+static char *DumpValues(Widget, EditresEvent*, ProtocolStream*);
+static char *DumpWidgets(Widget, EditresEvent*, ProtocolStream*);
+static void ExecuteCommand(Widget, Atom, ResIdent, EditresEvent*);
+static void ExecuteGetGeometry(Widget, ProtocolStream*);
+static void ExecuteGetResources(Widget w, ProtocolStream *stream);
+static void ExecuteSetValues(Widget, SetValuesEvent*, WidgetInfo*,
+ ProtocolStream*, unsigned short*);
+static void FreeEvent(EditresEvent*);
+static void GetCommand(Widget w, XtPointer, Atom*, Atom*, XtPointer,
+ unsigned long*, int*);
+static void HandleToolkitErrors(String, String, String, String,
+ String*, Cardinal*);
+static void InsertWidget(ProtocolStream*, Widget);
+static Bool IsChild(Widget, Widget, Widget);
+static Bool isApplicationShell(Widget);
+static void LoadResources(Widget);
+static Bool PositionInChild(Widget, int, int);
+static int qcmp_widget_list(register _Xconst void*, register _Xconst void*);
+static void SendCommand(Widget, Atom, ResIdent, EditResError,
+ ProtocolStream*);
+static void SendFailure(Widget, Atom, ResIdent, char*);
+static char *VerifyWidget(Widget, WidgetInfo*);
+
+/*
+ * External
+ */
+void _XEditResCheckMessages(Widget, XtPointer, XEvent*, Boolean*);
+
+/*
+ * Initialization
+ */
+static Atom res_editor_command, res_editor_protocol, client_value;
+static Globals globals;
+
+/************************************************************
+ * Resource Editor Communication Code
+ ************************************************************/
+/*
+ * Function:
+ * _XEditResCheckMessages
+ *
+ * Parameters:
+ * data - unused
+ * event - The X Event that triggered this handler
+ * cont - unused
+ *
+ * Description:
+ * This callback routine is set on all shell widgets, and checks to
+ * see if a client message event has come from the resource editor.
+ */
+/*ARGSUSED*/
+void
+_XEditResCheckMessages(Widget w, XtPointer data, XEvent *event, Boolean *cont)
+{
+ Time time;
+ ResIdent ident;
+ static Boolean first_time = False;
+ static Atom res_editor, res_comm;
+ Display *dpy;
+
+ if (event->type == ClientMessage)
+ {
+ XClientMessageEvent * c_event = (XClientMessageEvent *)event;
+ dpy = XtDisplay(w);
+
+ if (!first_time)
+ {
+ Atom atoms[4];
+ static char *names[] = {
+ EDITRES_NAME, EDITRES_COMMAND_ATOM,
+ EDITRES_PROTOCOL_ATOM, EDITRES_CLIENT_VALUE
+ };
+
+ first_time = True;
+ XInternAtoms(dpy, names, 4, False, atoms);
+ res_editor = atoms[0];
+ res_editor_command = atoms[1];
+ res_editor_protocol = atoms[2];
+ /* Used in later procedures */
+ client_value = atoms[3];
+ LoadResources(w);
+ }
+
+ if ((c_event->message_type != res_editor)
+ || (c_event->format != EDITRES_SEND_EVENT_FORMAT))
+ return;
+
+ time = c_event->data.l[0];
+ res_comm = c_event->data.l[1];
+ ident = (ResIdent) c_event->data.l[2];
+ if (c_event->data.l[3] != CURRENT_PROTOCOL_VERSION)
+ {
+ _XEditResResetStream(&globals.stream);
+ _XEditResPut8(&globals.stream, (unsigned int) CURRENT_PROTOCOL_VERSION);
+ SendCommand(w, res_comm, ident, ProtocolMismatch, &globals.stream);
+ return;
+ }
+
+ XtGetSelectionValue(w, res_comm, res_editor_command,
+ GetCommand, (XtPointer)(long)ident, time);
+ }
+}
+
+/*
+ * Function:
+ * BuildEvent
+ *
+ * Parameters:
+ * w - widget to own selection, in case of error
+ * sel - selection to send error message beck in
+ * data - the data for the request
+ * ident - the id number we are looking for
+ * length - length of request
+ *
+ * Description:
+ * Takes the info out the protocol stream an constructs
+ * the proper event structure.
+ *
+ * Returns:
+ * the event, or NULL
+ */
+#if defined(ERROR_MESSAGE)
+#undef ERROR_MESSAGE
+#endif
+#define ERROR_MESSAGE "Client: Improperly formatted protocol request"
+static EditresEvent *
+BuildEvent(Widget w, Atom sel, XtPointer data, ResIdent ident,
+ unsigned long length)
+{
+ EditresEvent *event;
+ ProtocolStream alloc_stream, *stream;
+ unsigned char temp;
+ register unsigned int i;
+
+ stream = &alloc_stream;
+ stream->current = stream->top = (unsigned char *)data;
+ stream->size = HEADER_SIZE; /* size of header */
+
+ /*
+ * Retrieve the Header
+ */
+ if (length < HEADER_SIZE)
+ {
+ SendFailure(w, sel, ident, ERROR_MESSAGE);
+ return (NULL);
+ }
+
+ (void)_XEditResGet8(stream, &temp);
+ if (temp != ident) /* Id's don't match, ignore request */
+ return (NULL);
+
+ event = (EditresEvent *)XtCalloc(sizeof(EditresEvent), 1);
+
+ (void)_XEditResGet8(stream, &temp);
+ event->any_event.type = (EditresCommand)temp;
+ (void)_XEditResGet32(stream, &stream->size);
+ stream->top = stream->current; /* reset stream to top of value */
+
+ /*
+ * Now retrieve the data segment
+ */
+ switch(event->any_event.type)
+ {
+ case SendWidgetTree:
+ break; /* no additional info */
+ case SetValues:
+ {
+ SetValuesEvent *sv_event = (SetValuesEvent *)event;
+
+ if (!(_XEditResGetString8(stream, &sv_event->name)
+ && _XEditResGetString8(stream, &sv_event->res_type)))
+ goto done;
+
+ /*
+ * Since we need the value length, we have to pull the
+ * value out by hand
+ */
+ if (!_XEditResGet16(stream, &sv_event->value_len))
+ goto done;
+
+ sv_event->value = XtMalloc(sizeof(char) * (sv_event->value_len + 1));
+
+ for (i = 0; i < sv_event->value_len; i++)
+ if (!_XEditResGet8(stream, (unsigned char *)sv_event->value + i))
+ goto done;
+
+ ((char*)sv_event->value)[i] = '\0';
+
+ if (!_XEditResGet16(stream, &sv_event->num_entries))
+ goto done;
+
+ sv_event->widgets = (WidgetInfo *)
+ XtCalloc(sizeof(WidgetInfo), sv_event->num_entries);
+
+ for (i = 0; i < sv_event->num_entries; i++)
+ if (!_XEditResGetWidgetInfo(stream, sv_event->widgets + i))
+ goto done;
+ }
+ break;
+ case FindChild:
+ {
+ FindChildEvent *find_event = (FindChildEvent *)event;
+
+ find_event->widgets = (WidgetInfo *)XtCalloc(sizeof(WidgetInfo), 1);
+
+ if (!(_XEditResGetWidgetInfo(stream, find_event->widgets)
+ && _XEditResGetSigned16(stream, &find_event->x)
+ && _XEditResGetSigned16(stream, &find_event->y)))
+ goto done;
+ }
+ break;
+ case GetGeometry:
+ case GetResources:
+ {
+ GenericGetEvent *get_event = (GenericGetEvent *)event;
+
+ if (!_XEditResGet16(stream, &get_event->num_entries))
+ goto done;
+
+ get_event->widgets = (WidgetInfo *)
+ XtCalloc(sizeof(WidgetInfo), get_event->num_entries);
+
+ for (i = 0; i < get_event->num_entries; i++)
+ if (!_XEditResGetWidgetInfo(stream, get_event->widgets + i))
+ goto done;
+ }
+ break;
+ case GetValues:
+ {
+ GetValuesEvent *gv_event = (GetValuesEvent *)event;
+
+ _XEditResGetString8(stream, &gv_event->name);
+ _XEditResGet16(stream, &gv_event->num_entries);
+ gv_event->widgets = (WidgetInfo *)
+ XtCalloc(sizeof(WidgetInfo), gv_event->num_entries);
+ _XEditResGetWidgetInfo(stream, gv_event->widgets);
+ }
+ break;
+ default:
+ {
+ char buf[BUFSIZ];
+
+ XmuSnprintf(buf, sizeof(buf),
+ "Unknown Protocol request %d.", event->any_event.type);
+ SendFailure(w, sel, ident, buf);
+ FreeEvent(event);
+ return (NULL);
+ }
+ }
+
+ return (event);
+
+ done:
+ SendFailure(w, sel, ident, ERROR_MESSAGE);
+ FreeEvent(event);
+ return (NULL);
+}
+
+/*
+ * Function:
+ * FreeEvent
+ *
+ * Parameters:
+ * event - event to free
+ *
+ * Description:
+ * Frees the event structure and any other pieces in it that need freeing.
+ */
+static void
+FreeEvent(EditresEvent *event)
+{
+ if (event->any_event.widgets != NULL)
+ {
+ XtFree((char *)event->any_event.widgets->ids);
+ XtFree((char *)event->any_event.widgets);
+ }
+
+ if (event->any_event.type == SetValues)
+ {
+ XtFree(event->set_values_event.name);
+ XtFree(event->set_values_event.res_type);
+ }
+
+ XtFree((char *)event);
+}
+
+/*
+ * Function:
+ * GetCommand
+ *
+ * Parameters:
+ * (See Xt XtConvertSelectionProc)
+ * data - contains the ident number for the command
+ *
+ * Description:
+ * Gets the Command out of the selection asserted by the resource manager.
+ */
+/*ARGSUSED*/
+static void
+GetCommand(Widget w, XtPointer data, Atom *selection, Atom *type,
+ XtPointer value, unsigned long *length, int *format)
+{
+ ResIdent ident = (ResIdent)(long)data;
+ EditresEvent *event;
+
+ if (*type != res_editor_protocol || *format != EDITRES_FORMAT)
+ return;
+
+ if ((event = BuildEvent(w, *selection, value, ident, *length)) != NULL)
+ {
+ ExecuteCommand(w, *selection, ident, event);
+ FreeEvent(event);
+ }
+}
+
+/*
+ * Function:
+ * ExecuteCommand
+ *
+ * Parameters:
+ * w - widget
+ * command - the command to execute
+ * value - the associated with the command
+ *
+ * Description:
+ * Executes a command string received from the resource editor.
+ */
+/*ARGSUSED*/
+static void
+ExecuteCommand(Widget w, Atom sel, ResIdent ident, EditresEvent *event)
+{
+ char *(*func)(Widget, EditresEvent*, ProtocolStream*);
+ char *str;
+
+ if (globals.block == BlockAll)
+ {
+ SendFailure(w, sel, ident,
+ "This client has blocked all Editres commands.");
+ return;
+ }
+ else if (globals.block == BlockSetValues
+ && event->any_event.type == SetValues)
+ {
+ SendFailure(w, sel, ident,
+ "This client has blocked all SetValues requests.");
+ return;
+ }
+
+ switch(event->any_event.type)
+ {
+ case SendWidgetTree:
+#if defined(LONG64) || defined(WORD64)
+ globals.base_address = (unsigned long)w & 0xFFFFFFFF00000000;
+#endif
+ func = DumpWidgets;
+ break;
+ case SetValues:
+ func = DoSetValues;
+ break;
+ case FindChild:
+ func = DoFindChild;
+ break;
+ case GetGeometry:
+ func = DoGetGeometry;
+ break;
+ case GetResources:
+ func = DoGetResources;
+ break;
+ case GetValues:
+ func = DumpValues;
+ break;
+ default:
+ {
+ char buf[BUFSIZ];
+
+ XmuSnprintf(buf, sizeof(buf),
+ "Unknown Protocol request %d.",event->any_event.type);
+ SendFailure(w, sel, ident, buf);
+ return;
+ }
+ }
+
+ _XEditResResetStream(&globals.stream);
+ if ((str = (*func)(w, event, &globals.stream)) == NULL)
+ SendCommand(w, sel, ident, PartialSuccess, &globals.stream);
+ else
+ SendFailure(w, sel, ident, str);
+}
+
+/*
+ * Function:
+ * ConvertReturnCommand
+ *
+ * Parameters:
+ * w - the widget that owns the selection
+ * selection - selection to convert
+ * target - target type for this selection
+ * type_ret - type of the selection
+ * value_ret - selection value
+ * length_ret - lenght of this selection
+ * format_ret - the format the selection is in
+ *
+ * Description:
+ * Converts a selection
+ *
+ * Returns:
+ * True if conversion was sucessful
+ */
+/*ARGSUSED*/
+static Boolean
+ConvertReturnCommand(Widget w, Atom *selection, Atom *target, Atom *type_ret,
+ XtPointer *value_ret, unsigned long *length_ret,
+ int *format_ret)
+{
+ /*
+ * I assume the intrinsics give me the correct selection back
+ */
+ if ((*target != client_value))
+ return (False);
+
+ *type_ret = res_editor_protocol;
+ *value_ret = (XtPointer)globals.command_stream->real_top;
+ *length_ret = globals.command_stream->size + HEADER_SIZE;
+ *format_ret = EDITRES_FORMAT;
+
+ return (True);
+}
+
+/*
+ * Function:
+ * CommandDone
+ *
+ * Parameters:
+ * widget - unused
+ * selection - unused
+ * target - unused
+ *
+ * Description:
+ * done with the selection
+ */
+/*ARGSUSED*/
+static void
+CommandDone(Widget widget, Atom *selection, Atom *target)
+{
+ /* Keep the toolkit from automaticaly freeing the selection value */
+}
+
+/*
+ * Function:
+ * SendFailure
+ *
+ * Paramters:
+ * w - widget to own the selection
+ * sel - selection to assert
+ * ident - identifier
+ * str - error message
+ *
+ * Description:
+ * Sends a failure message
+ */
+static void
+SendFailure(Widget w, Atom sel, ResIdent ident, char *str)
+{
+ _XEditResResetStream(&globals.stream);
+ _XEditResPutString8(&globals.stream, str);
+ SendCommand(w, sel, ident, Failure, &globals.stream);
+}
+
+/*
+ * Function:
+ * BuildReturnPacket
+ *
+ * Parameters:
+ * ident - identifier
+ * command - command code
+ * stream - protocol stream
+ * Description:
+ * Builds a return packet, given the data to send
+ *
+ * Returns:
+ * packet to send
+ */
+static XtPointer
+BuildReturnPacket(ResIdent ident, EditResError error, ProtocolStream *stream)
+{
+ long old_alloc, old_size;
+ unsigned char *old_current;
+
+ /*
+ * We have cleverly keep enough space at the top of the header
+ * for the return protocol stream, so all we have to do is
+ * fill in the space
+ */
+ /*
+ * Fool the insert routines into putting the header in the right
+ * place while being damn sure not to realloc (that would be very bad.)
+ */
+ old_current = stream->current;
+ old_alloc = stream->alloc;
+ old_size = stream->size;
+
+ stream->current = stream->real_top;
+ stream->alloc = stream->size + (2 * HEADER_SIZE);
+
+ _XEditResPut8(stream, ident);
+ _XEditResPut8(stream, (unsigned char)error);
+ _XEditResPut32(stream, old_size);
+
+ stream->alloc = old_alloc;
+ stream->current = old_current;
+ stream->size = old_size;
+
+ return ((XtPointer)stream->real_top);
+}
+
+/*
+ * Function:
+ * SendCommand
+ * Parameters:
+ * w - widget to own the selection
+ * sel - selection to assert
+ * ident - identifier
+ * command - command code
+ * stream - protocol stream
+ *
+ * Description:
+ * Builds a return command line
+ */
+static void
+SendCommand(Widget w, Atom sel, ResIdent ident, EditResError error,
+ ProtocolStream *stream)
+{
+ BuildReturnPacket(ident, error, stream);
+ globals.command_stream = stream;
+
+ /*
+ * I REALLY want to own the selection. Since this was not triggered
+ * by a user action, and I am the only one using this atom it is safe to
+ * use CurrentTime
+ */
+ XtOwnSelection(w, sel, CurrentTime, ConvertReturnCommand, NULL, CommandDone);
+}
+
+/************************************************************
+ * Generic Utility Functions
+ ************************************************************/
+static int
+qcmp_widget_list(register _Xconst void *left, register _Xconst void *right)
+{
+ return (char *)*(Widget **)left - (char *)*(Widget **)right;
+}
+
+/*
+ * Function:
+ * FindChildren
+ *
+ * Parameters:
+ * parent - parent widget
+ * children - list of children
+ * normal - return normal children
+ * popup - return popup children
+ * extra - return extra children
+ *
+ * Description:
+ * Retuns all children (popup, normal and otherwise) of this widget
+ *
+ * Returns:
+ * number of children
+ */
+static int
+FindChildren(Widget parent, Widget **children, Bool normal, Bool popup,
+ Bool extra)
+{
+ CompositeWidget cw = (CompositeWidget)parent;
+ Cardinal i, num_children, current = 0;
+ Widget *extra_widgets = NULL;
+ Cardinal num_extra = 0;
+
+ num_children = 0;
+
+ if (XtIsWidget(parent) && popup)
+ num_children += parent->core.num_popups;
+
+ if (XtIsComposite(parent) && normal)
+ num_children += cw->composite.num_children;
+
+ if (XtIsWidget(parent) && extra)
+ {
+ XtResourceList norm_list, cons_list;
+ Cardinal num_norm, num_cons;
+ Arg args[1];
+ Widget widget;
+
+ XtGetResourceList(XtClass(parent), &norm_list, &num_norm);
+
+ if (XtParent(parent) != NULL)
+ XtGetConstraintResourceList(XtClass(XtParent(parent)),
+ &cons_list, &num_cons);
+ else
+ num_cons = 0;
+
+ extra_widgets = (Widget *)XtMalloc(sizeof(Widget));
+ for (i = 0; i < num_norm; i++)
+ if (strcmp(norm_list[i].resource_type, XtRWidget) == 0)
+ {
+ widget = NULL;
+ XtSetArg(args[0], norm_list[i].resource_name, &widget);
+ XtGetValues(parent, args, 1);
+ if (widget && XtParent(widget) == parent)
+ {
+ ++num_extra;
+ extra_widgets = (Widget *)
+ XtRealloc((char *)extra_widgets, num_extra * sizeof(Widget));
+ extra_widgets[num_extra - 1] = widget;
+ }
+ }
+ for (i = 0; i < num_cons; i++)
+ if (strcmp(cons_list[i].resource_type, XtRWidget) == 0)
+ {
+ widget = NULL;
+ XtSetArg(args[0], cons_list[i].resource_name, &widget);
+ XtGetValues(parent, args, 1);
+ if (widget && XtParent(widget) == parent)
+ {
+ ++num_extra;
+ extra_widgets = (Widget *)
+ XtRealloc((char *)extra_widgets, num_extra * sizeof(Widget));
+ extra_widgets[num_extra - 1] = widget;
+ }
+ }
+ if (num_norm)
+ XtFree((char *)norm_list);
+ if (num_cons)
+ XtFree((char *)cons_list);
+ }
+
+ if ((num_children + num_extra) == 0)
+ {
+ *children = NULL;
+ return (0);
+ }
+
+ *children = (Widget *)XtMalloc(sizeof(Widget) * (num_children + num_extra));
+
+ if (XtIsComposite(parent) && normal)
+ for (i = 0; i < cw->composite.num_children; i++, current++)
+ (*children)[current] = cw->composite.children[i];
+
+ if (XtIsWidget(parent) && popup)
+ for (i = 0; i < parent->core.num_popups; i++, current++)
+ (*children)[current] = parent->core.popup_list[i];
+
+ if (num_extra)
+ /* Check for dups */
+ {
+ Cardinal j, old_num_extra = num_extra;
+
+ qsort(extra_widgets, num_extra, sizeof(Widget), qcmp_widget_list);
+ for (i = 0; i < num_extra - 1; i++)
+ while (i < num_extra - 1 && extra_widgets[i] == extra_widgets[i + 1])
+ {
+ memmove(&extra_widgets[i], &extra_widgets[i + 1],
+ (num_extra - i) * sizeof(Widget));
+ --num_extra;
+ }
+
+ for (i = 0; i < num_children; i++)
+ for (j = 0; j < num_extra; j++)
+ if ((*children)[i] == extra_widgets[j])
+ {
+ if ((j + 1) < num_extra)
+ memmove(&extra_widgets[j], &extra_widgets[j + 1],
+ (num_extra - j) * sizeof(Widget));
+ --num_extra;
+ }
+
+ if (old_num_extra != num_extra)
+ *children = (Widget *)XtRealloc((char *)*children, sizeof(Widget)
+ * (num_children + num_extra));
+
+ if (num_extra)
+ memcpy(&(*children)[num_children], extra_widgets,
+ sizeof(Widget) * num_extra);
+ }
+ if (extra_widgets)
+ XtFree((char *)extra_widgets);
+ if (num_children + num_extra == 0)
+ {
+ XtFree((char *)*children);
+ *children = NULL;
+ }
+
+ return (num_children + num_extra);
+}
+
+/*
+ * Function:
+ * IsChild
+ *
+ * parameters:
+ * top - top of the tree
+ * parent - parent widget
+ * child - child widget
+ *
+ * Description:
+ * Check to see of child is a child of parent
+ */
+static Bool
+IsChild(Widget top, Widget parent, Widget child)
+{
+ int i, num_children;
+ Widget *children;
+
+ if (parent == NULL)
+ return (top == child);
+
+ num_children = FindChildren(parent, &children, True, True, True);
+
+ for (i = 0; i < num_children; i++)
+ if (children[i] == child)
+ {
+ XtFree((char *)children);
+ return (True);
+ }
+
+ XtFree((char *)children);
+ return (False);
+}
+
+/*
+ * Function:
+ * VerifyWidget
+ *
+ * Parameters:
+ * w - any widget in the tree
+ * info - info about the widget to verify
+ *
+ * Description:
+ * Makes sure all the widgets still exist
+ */
+static char *
+VerifyWidget(Widget w, WidgetInfo *info)
+{
+ Widget top;
+ register int count;
+ register Widget parent;
+ register unsigned long *child;
+
+ for (top = w; XtParent(top) != NULL; top = XtParent(top))
+ ;
+
+ parent = NULL;
+ child = info->ids;
+ count = 0;
+
+ while (True)
+ {
+ if (!IsChild(top, parent, (Widget) *child))
+ return ("This widget no longer exists in the client.");
+
+ if (++count == info->num_widgets)
+ break;
+
+ parent = (Widget)*child++;
+ }
+
+ info->real_widget = (Widget)*child;
+
+ return (NULL);
+}
+
+/************************************************************
+ * Code to Perform SetValues operations
+ ************************************************************/
+/*
+ * Function:
+ * DoSetValues
+ *
+ * Parameters:
+ * w - a widget in the tree
+ * event - event that caused this action
+ * stream - protocol stream to add
+ *
+ * Description:
+ * Performs the setvalues requested
+ *
+ * Returns:
+ * NULL
+ */
+static char *
+DoSetValues(Widget w, EditresEvent *event, ProtocolStream *stream)
+{
+ char *str;
+ register unsigned i;
+ unsigned short count = 0;
+ SetValuesEvent *sv_event = (SetValuesEvent *)event;
+
+ _XEditResPut16(stream, count); /* insert 0, will be overwritten later */
+
+ for (i = 0; i < sv_event->num_entries; i++)
+ {
+ if ((str = VerifyWidget(w, &sv_event->widgets[i])) != NULL)
+ {
+ _XEditResPutWidgetInfo(stream, &sv_event->widgets[i]);
+ _XEditResPutString8(stream, str);
+ count++;
+ }
+ else
+ ExecuteSetValues(sv_event->widgets[i].real_widget,
+ sv_event, sv_event->widgets + i, stream, &count);
+ }
+
+ /*
+ * Overwrite the first 2 bytes with the real count.
+ */
+ *(stream->top) = count >> XER_NBBY;
+ *(stream->top + 1) = count;
+
+ return (NULL);
+}
+
+/*
+ * Function:
+ * HandleToolkitErrors
+ *
+ * Parameters:
+ * name - name of the error
+ * type - type of the error
+ * class - class of the error
+ * msg - the default message
+ * params - the extra parameters for this message
+ * num_params - ""
+ *
+ * Description: Handles X Toolkit Errors.
+ */
+/* ARGSUSED */
+static void
+HandleToolkitErrors(String name, String type, String class, String msg,
+ String *params, Cardinal *num_params)
+{
+ SVErrorInfo *info = &globals.error_info;
+ char buf[BUFSIZ];
+
+ if (streq(name, "unknownType"))
+ XmuSnprintf(buf, sizeof(buf),
+ "The `%s' resource is not used by this widget.",
+ info->event->name);
+ else if (streq(name, "noColormap"))
+ XmuSnprintf(buf, sizeof(buf), msg, params[0]);
+ else if (streq(name, "conversionFailed") || streq(name, "conversionError"))
+ {
+ if (streq((String)info->event->value, XtRString))
+ XmuSnprintf(buf, sizeof(buf),
+ "Could not convert the string '%s' for the `%s' "
+ "resource.", (String)info->event->value,
+ info->event->name);
+ else
+ XmuSnprintf(buf, sizeof(buf),
+ "Could not convert the `%s' resource.",
+ info->event->name);
+ }
+ else
+ XmuSnprintf(buf, sizeof(buf),
+ "Name: %s, Type: %s, Class: %s, Msg: %s",
+ name, type, class, msg);
+
+ /*
+ * Insert this info into the protocol stream, and update the count
+ */
+ (*(info->count))++;
+ _XEditResPutWidgetInfo(info->stream, info->entry);
+ _XEditResPutString8(info->stream, buf);
+}
+
+/*
+ * Function:
+ * ExecuteSetValues
+ *
+ * Parameters:
+ * w - widget to perform the set_values on
+ * sv_event - set values event
+ * sv_info - set_value info
+ *.
+ * Description:
+ * Performs a setvalues for a given command
+ */
+static void
+ExecuteSetValues(Widget w, SetValuesEvent *sv_event, WidgetInfo *entry,
+ ProtocolStream *stream, unsigned short *count)
+{
+ XtErrorMsgHandler old;
+ SVErrorInfo *info = &globals.error_info;
+
+ info->event = sv_event; /* No data can be passed to */
+ info->stream = stream; /* an error handler, so we */
+ info->count = count; /* have to use a global */
+ info->entry = entry;
+
+ old = XtAppSetWarningMsgHandler(XtWidgetToApplicationContext(w),
+ HandleToolkitErrors);
+
+ XtVaSetValues(w, XtVaTypedArg,
+ sv_event->name, sv_event->res_type,
+ sv_event->value, sv_event->value_len,
+ NULL);
+
+ (void)XtAppSetWarningMsgHandler(XtWidgetToApplicationContext(w), old);
+}
+
+/************************************************************
+ * Code for Creating and dumping widget tree.
+ ************************************************************/
+/* Function:
+ * DumpWidgets
+ *
+ * Parameters:
+ * w - a widget in the tree
+ * event - event that caused this action
+ * stream - protocol stream to add
+ *
+ * Description:
+ * Given a widget it builds a protocol packet containing the entire
+ * widget heirarchy.
+ *
+ * Returns:
+ * NULL
+ */
+#define TOOLKIT_TYPE ("Xt")
+/*ARGSUSED*/
+static char *
+DumpWidgets(Widget w, EditresEvent *event, ProtocolStream *stream)
+{
+ unsigned short count = 0;
+
+ /* Find Tree's root */
+ for (; XtParent(w) != NULL; w = XtParent(w))
+ ;
+
+ /*
+ * hold space for count, overwritten later
+ */
+ _XEditResPut16(stream, (unsigned int)0);
+
+ DumpChildren(w, stream, &count);
+
+ /*
+ * write out toolkit type
+ */
+ _XEditResPutString8(stream, TOOLKIT_TYPE);
+
+ /*
+ * Overwrite the first 2 bytes with the real count
+ */
+ *(stream->top) = count >> XER_NBBY;
+ *(stream->top + 1) = count;
+
+ return (NULL);
+}
+
+/*
+ * Function:
+ * DumpChildren
+ *
+ * Parameters:
+ * w - widget to dump
+ * stream - stream to dump to
+ * count - number of dumps we have performed
+ *
+ * Description:
+ * Adds a child's name to the list.
+ */
+/* This is a trick/kludge. To make shared libraries happier (linking
+ * against Xmu but not linking against Xt, and apparently even work
+ * as we desire on SVR4, we need to avoid an explicit data reference
+ * to applicationShellWidgetClass. XtIsTopLevelShell is known
+ * (implementation dependent assumption!) to use a bit flag. So we
+ * go that far. Then, we test whether it is an applicationShellWidget
+ * class by looking for an explicit class name. Seems pretty safe.
+ */
+static Bool
+isApplicationShell(Widget w)
+{
+ register WidgetClass c;
+
+ if (!XtIsTopLevelShell(w))
+ return (False);
+ for (c = XtClass(w); c; c = c->core_class.superclass)
+ if (strcmp(c->core_class.class_name, "ApplicationShell") == 0)
+ return (True);
+
+ return (False);
+}
+
+static void
+DumpChildren(Widget w, ProtocolStream *stream, unsigned short *count)
+{
+ int i, num_children;
+ Widget *children;
+ unsigned long window;
+ char *c_class;
+
+ (*count)++;
+
+ InsertWidget(stream, w); /* Insert the widget into the stream */
+
+ _XEditResPutString8(stream, XtName(w)); /* Insert name */
+
+ if (isApplicationShell(w))
+ c_class = ((ApplicationShellWidget)w)->application.class;
+ else
+ c_class = XtClass(w)->core_class.class_name;
+
+ _XEditResPutString8(stream, c_class); /* Insert class */
+
+ if (XtIsWidget(w))
+ if (XtIsRealized(w))
+ window = XtWindow(w);
+ else
+ window = EDITRES_IS_UNREALIZED;
+ else
+ window = EDITRES_IS_OBJECT;
+
+ _XEditResPut32(stream, window); /* Insert window id */
+
+ /*
+ * Find children and recurse
+ */
+ num_children = FindChildren(w, &children, True, True, True);
+ for (i = 0; i < num_children; i++)
+ DumpChildren(children[i], stream, count);
+
+ XtFree((char *)children);
+}
+
+/************************************************************
+ * Code for getting the geometry of widgets
+ ************************************************************/
+/*
+ * Function:
+ * DoGetGeometry
+ *
+ * Parameters:
+ * w - widget in the tree
+ * event - event that caused this action
+ * stream - protocol stream to add
+ *
+ * Description:
+ * Retrieves the Geometry of each specified widget.
+ *
+ * Returns:
+ * NULL
+ */
+static char *
+DoGetGeometry(Widget w, EditresEvent *event, ProtocolStream *stream)
+{
+ unsigned i;
+ char *str;
+ GetGeomEvent *geom_event = (GetGeomEvent *)event;
+
+ _XEditResPut16(stream, geom_event->num_entries);
+
+ for (i = 0; i < geom_event->num_entries; i++)
+ {
+ /*
+ * Send out the widget id
+ */
+ _XEditResPutWidgetInfo(stream, &geom_event->widgets[i]);
+
+ if ((str = VerifyWidget(w, &geom_event->widgets[i])) != NULL)
+ {
+ _XEditResPutBool(stream, True); /* an error occured */
+ _XEditResPutString8(stream, str); /* set message */
+ }
+ else
+ ExecuteGetGeometry(geom_event->widgets[i].real_widget, stream);
+ }
+
+ return (NULL);
+}
+
+/*
+ * Function:
+ * ExecuteGetGeometry
+ *
+ * Parameters:
+ * w - widget to get geometry
+ * stream - stream to append to
+ *
+ * Description:
+ * Gets the geometry for each widget specified.
+ *
+ * Returns:
+ * True if no error occured.
+ */
+static void
+ExecuteGetGeometry(Widget w, ProtocolStream *stream)
+{
+ int i;
+ Boolean mapped_when_man;
+ Dimension width, height, border_width;
+ Arg args[8];
+ Cardinal num_args = 0;
+ Position x, y;
+
+ if (!XtIsRectObj(w) || (XtIsWidget(w) && !XtIsRealized(w)))
+ {
+ _XEditResPutBool(stream, False); /* no error */
+ _XEditResPutBool(stream, False); /* not visable */
+ for (i = 0; i < 5; i++) /* fill in extra space with 0's */
+ _XEditResPut16(stream, 0);
+ return;
+ }
+
+ XtSetArg(args[num_args], XtNwidth, &width); num_args++;
+ XtSetArg(args[num_args], XtNheight, &height); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, &border_width); num_args++;
+ XtSetArg(args[num_args], XtNmappedWhenManaged, &mapped_when_man);
+ num_args++;
+ XtGetValues(w, args, num_args);
+
+ if (!(XtIsManaged(w) && mapped_when_man) && XtIsWidget(w))
+ {
+ XWindowAttributes attrs;
+
+ /*
+ * The toolkit does not maintain mapping state, we have
+ * to go to the server
+ */
+ if (XGetWindowAttributes(XtDisplay(w), XtWindow(w), &attrs) != 0)
+ {
+ if (attrs.map_state != IsViewable)
+ {
+ _XEditResPutBool(stream, False); /* no error */
+ _XEditResPutBool(stream, False); /* not visable */
+ for (i = 0; i < 5; i++) /* fill in extra space with 0's */
+ _XEditResPut16(stream, 0);
+ return;
+ }
+ }
+ else
+ {
+ _XEditResPut8(stream, True); /* Error occured. */
+ _XEditResPutString8(stream, "XGetWindowAttributes failed.");
+ return;
+ }
+ }
+
+ XtTranslateCoords(w, -((int) border_width), -((int) border_width), &x, &y);
+
+ _XEditResPutBool(stream, False); /* no error */
+ _XEditResPutBool(stream, True); /* Visable */
+ _XEditResPut16(stream, x);
+ _XEditResPut16(stream, y);
+ _XEditResPut16(stream, width);
+ _XEditResPut16(stream, height);
+ _XEditResPut16(stream, border_width);
+}
+
+/************************************************************
+ * Code for executing FindChild
+ ************************************************************/
+/*
+ * Function:
+ * PositionInChild
+ *
+ * Parameters:
+ * child - child widget to check
+ * x - location of point to check in the parent's coord space
+ * y - ""
+ *
+ * Description:
+ * Returns true if this location is in the child.
+ */
+static Bool
+PositionInChild(Widget child, int x, int y)
+{
+ Arg args[6];
+ Cardinal num;
+ Dimension width, height, border_width;
+ Position child_x, child_y;
+ Boolean mapped_when_managed;
+
+ if (!XtIsRectObj(child)) /* we must at least be a rect obj */
+ return (False);
+
+ num = 0;
+ XtSetArg(args[num], XtNmappedWhenManaged, &mapped_when_managed); num++;
+ XtSetArg(args[num], XtNwidth, &width); num++;
+ XtSetArg(args[num], XtNheight, &height); num++;
+ XtSetArg(args[num], XtNx, &child_x); num++;
+ XtSetArg(args[num], XtNy, &child_y); num++;
+ XtSetArg(args[num], XtNborderWidth, &border_width); num++;
+ XtGetValues(child, args, num);
+
+ /*
+ * The only way we will know of the widget is mapped is to see if
+ * mapped when managed is True and this is a managed child. Otherwise
+ * we will have to ask the server if this window is mapped
+ */
+ if (XtIsWidget(child) && !(mapped_when_managed && XtIsManaged(child)))
+ {
+ XWindowAttributes attrs;
+
+ if (XGetWindowAttributes(XtDisplay(child), XtWindow(child), &attrs)
+ && attrs.map_state != IsViewable)
+ return (False);
+ }
+
+ return ((x >= child_x)
+ && (x <= (child_x + (Position)width + 2 * (Position)border_width))
+ && (y >= child_y)
+ && (y <= (child_y + (Position)height + 2 * (Position)border_width)));
+}
+
+/*
+ * Function:
+ * _FindChild
+ *
+ * Parameters:
+ * parent - widget that is known to contain the point specified
+ * x - point in coordinates relative to the widget specified
+ * y - ""
+ *
+ * Description:
+ * Finds the child that actually contains the point shown.
+ */
+static Widget
+_FindChild(Widget parent, int x, int y)
+{
+ Widget *children;
+ int i = FindChildren(parent, &children, True, False, True);
+
+ while (i > 0)
+ {
+ i--;
+
+ if (PositionInChild(children[i], x, y))
+ {
+ Widget child = children[i];
+
+ XtFree((char *)children);
+ return (_FindChild(child, x - child->core.x, y - child->core.y));
+ }
+ }
+
+ XtFree((char *)children);
+
+ return (parent);
+}
+
+/*
+ * Function:
+ * DoFindChild
+ *
+ * Parameters:
+ * w - widget in the tree
+ * event - event that caused this action
+ * stream - protocol stream to add
+ * Description:
+ * Finds the child that contains the location specified.
+ *
+ * Returns:
+ * An allocated error message if something went horribly wrong and
+ * no set values were performed, else NULL.
+ */
+static char *
+DoFindChild(Widget w, EditresEvent *event, ProtocolStream *stream)
+{
+ char *str;
+ Widget parent, child;
+ Position parent_x, parent_y;
+ FindChildEvent *find_event = (FindChildEvent *)event;
+
+ if ((str = VerifyWidget(w, find_event->widgets)) != NULL)
+ return (str);
+
+ parent = find_event->widgets->real_widget;
+
+ XtTranslateCoords(parent, (Position) 0, (Position) 0,
+ &parent_x, &parent_y);
+
+ child = _FindChild(parent, find_event->x - (int) parent_x,
+ find_event->y - (int) parent_y);
+
+ InsertWidget(stream, child);
+
+ return (NULL);
+}
+
+/************************************************************
+ * Procedures for performing GetResources
+ ************************************************************/
+/*
+ * Function:
+ * DoGetResources
+ *
+ * Parameters:
+ * w - widget in the tree
+ * event - event that caused this action
+ * stream - protocol stream to add
+ *
+ * Description:
+ * Gets the Resources associated with the widgets passed.
+ *
+ * Returns:
+ * NULL
+ */
+static char *
+DoGetResources(Widget w, EditresEvent *event, ProtocolStream *stream)
+{
+ unsigned int i;
+ char *str;
+ GetResEvent *res_event = (GetResEvent *)event;
+
+ _XEditResPut16(stream, res_event->num_entries); /* number of replys */
+
+ for (i = 0; i < res_event->num_entries; i++)
+ {
+ /*
+ * Send out the widget id
+ */
+ _XEditResPutWidgetInfo(stream, &res_event->widgets[i]);
+ if ((str = VerifyWidget(w, &res_event->widgets[i])) != NULL)
+ {
+ _XEditResPutBool(stream, True); /* an error occured */
+ _XEditResPutString8(stream, str); /* set message */
+ }
+ else
+ {
+ _XEditResPutBool(stream, False); /* no error occured */
+ ExecuteGetResources(res_event->widgets[i].real_widget, stream);
+ }
+ }
+
+ return (NULL);
+}
+
+/* Function:
+ * ExecuteGetResources
+ *
+ * Parameters:
+ * w - widget to get resources on
+ * stream - protocol stream
+ *
+ * Description:
+ * Gets the resources for any individual widget
+ */
+static void
+ExecuteGetResources(Widget w, ProtocolStream *stream)
+{
+ XtResourceList norm_list, cons_list;
+ Cardinal num_norm, num_cons;
+ register Cardinal i;
+
+ /*
+ * Get Normal Resources
+ */
+ XtGetResourceList(XtClass(w), &norm_list, &num_norm);
+
+ if (XtParent(w) != NULL)
+ XtGetConstraintResourceList(XtClass(XtParent(w)), &cons_list,&num_cons);
+ else
+ num_cons = 0;
+
+ _XEditResPut16(stream, num_norm + num_cons); /* how many resources */
+
+ /*
+ * Insert all the normal resources
+ */
+ for (i = 0; i < num_norm; i++)
+ {
+ _XEditResPutResourceType(stream, NormalResource);
+ _XEditResPutString8(stream, norm_list[i].resource_name);
+ _XEditResPutString8(stream, norm_list[i].resource_class);
+ _XEditResPutString8(stream, norm_list[i].resource_type);
+ }
+ XtFree((char *)norm_list);
+
+ /*
+ * Insert all the constraint resources
+ */
+ if (num_cons > 0)
+ {
+ for (i = 0; i < num_cons; i++)
+ {
+ _XEditResPutResourceType(stream, ConstraintResource);
+ _XEditResPutString8(stream, cons_list[i].resource_name);
+ _XEditResPutString8(stream, cons_list[i].resource_class);
+ _XEditResPutString8(stream, cons_list[i].resource_type);
+ }
+ XtFree((char *)cons_list);
+ }
+}
+
+/*
+ * Function:
+ * DumpValues
+ *
+ * Parameters:
+ * event - event that caused this action
+ * stream - protocol stream to add
+ *
+ * Description:
+ * Returns resource values to the resource editor.
+ *
+ * Returns:
+ * NULL
+ */
+/*ARGSUSED*/
+static char *
+DumpValues(Widget w, EditresEvent* event, ProtocolStream* stream)
+{
+ char *str;
+ Arg warg[1];
+ String res_value = NULL;
+ GetValuesEvent *gv_event = (GetValuesEvent *)event;
+
+ /* put the count in the stream */
+ _XEditResPut16(stream, (unsigned int)1);
+
+ /*
+ * Get the resource of the widget asked for by the
+ * resource editor and insert it into the stream
+ */
+ XtSetArg(warg[0], gv_event->name, &res_value);
+
+ if ((str = VerifyWidget(w, &gv_event->widgets[0])) != NULL)
+ _XEditResPutString8(stream, str);
+ else
+ {
+ _XEditresGetStringValues(gv_event->widgets[0].real_widget, warg, 1);
+ if (!res_value)
+ res_value = "NoValue";
+ _XEditResPutString8(stream, res_value);
+ }
+
+ return (NULL);
+}
+
+/************************************************************
+ * Code for inserting values into the protocol stream
+ ************************************************************/
+/*
+ * Function:
+ * InsertWidget
+ *
+ * Parameters:
+ * stream - protocol stream
+ * w - widget to insert
+ *
+ * Description:
+ * Inserts the full parent hierarchy of this widget into the protocol
+ * stream as a widget list.
+ */
+static void
+InsertWidget(ProtocolStream *stream, Widget w)
+{
+ Widget temp;
+ unsigned long *widget_list;
+ register int i, num_widgets;
+
+ for (temp = w, i = 0; temp != 0; temp = XtParent(temp), i++)
+ ;
+
+ num_widgets = i;
+ widget_list = (unsigned long *)XtMalloc(sizeof(unsigned long) * num_widgets);
+
+ /*
+ * Put the widgets into the list
+ * make sure that they are inserted in the list from parent -> child
+ */
+ for (i--, temp = w; temp != NULL; temp = XtParent(temp), i--)
+ widget_list[i] = (unsigned long)temp;
+
+ _XEditResPut16(stream, num_widgets); /* insert number of widgets */
+ for (i = 0; i < num_widgets; i++) /* insert Widgets themselves */
+ _XEditResPut32(stream, widget_list[i]);
+
+ XtFree((char *)widget_list);
+}
+
+/************************************************************
+ * All of the following routines are public
+ ************************************************************/
+/*
+ * Function:
+ * _XEditResPutString8
+ *
+ * Parameters:
+ * stream - stream to insert string into
+ * str - string to insert
+ *
+ * Description:
+ * Inserts a string into the protocol stream.
+ */
+void
+_XEditResPutString8(ProtocolStream *stream, char *str)
+{
+ int i, len = strlen(str);
+
+ _XEditResPut16(stream, len);
+ for (i = 0; i < len; i++, str++)
+ _XEditResPut8(stream, *str);
+}
+
+/*
+ * Function:
+ * _XEditResPut8
+ *
+ * Parameters:
+ * stream - stream to insert string into
+ * value - value to insert
+ *
+ * Description:
+ * Inserts an 8 bit integer into the protocol stream.
+ */
+void
+_XEditResPut8(ProtocolStream *stream, unsigned int value)
+{
+ unsigned char temp;
+
+ if (stream->size >= stream->alloc)
+ {
+ stream->alloc += 100;
+ stream->real_top = (unsigned char *)
+ XtRealloc((char *)stream->real_top, stream->alloc + HEADER_SIZE);
+ stream->top = stream->real_top + HEADER_SIZE;
+ stream->current = stream->top + stream->size;
+ }
+
+ temp = (unsigned char) (value & BYTE_MASK);
+ *((stream->current)++) = temp;
+ (stream->size)++;
+}
+
+/*
+ * Function:
+ * _XEditResPut16
+ *
+ * Arguments:
+ * stream - stream to insert string into
+ * value - value to insert
+ *
+ * Description:
+ * Inserts a 16 bit integer into the protocol stream.
+ */
+void
+_XEditResPut16(ProtocolStream *stream, unsigned int value)
+{
+ _XEditResPut8(stream, (value >> XER_NBBY) & BYTE_MASK);
+ _XEditResPut8(stream, value & BYTE_MASK);
+}
+
+/*
+ * Function:
+ * _XEditResPut32
+ *
+ * Arguments:
+ * stream - stream to insert string into
+ * value - value to insert
+ *
+ * Description:
+ * Inserts a 32 bit integer into the protocol stream.
+ */
+void
+_XEditResPut32(ProtocolStream *stream, unsigned long value)
+{
+ int i;
+
+ for (i = 3; i >= 0; i--)
+ _XEditResPut8(stream, (value >> (XER_NBBY * i)) & BYTE_MASK);
+}
+
+/*
+ * Function:
+ * _XEditResPutWidgetInfo
+ *
+ * Parameters:
+ * stream - stream to insert widget info into
+ * info - info to insert
+ *
+ * Description:
+ * Inserts the widget info into the protocol stream.
+ */
+void
+_XEditResPutWidgetInfo(ProtocolStream *stream, WidgetInfo *info)
+{
+ unsigned int i;
+
+ _XEditResPut16(stream, info->num_widgets);
+ for (i = 0; i < info->num_widgets; i++)
+ _XEditResPut32(stream, info->ids[i]);
+}
+
+/************************************************************
+ * Code for retrieving values from the protocol stream
+ ************************************************************/
+/*
+ * Function:
+ * _XEditResResetStream
+ *
+ * Parameters:
+ * stream - stream to reset
+ *
+ * Description:
+ * Resets the protocol stream.
+ */
+void
+_XEditResResetStream(ProtocolStream *stream)
+{
+ stream->current = stream->top;
+ stream->size = 0;
+ if (stream->real_top == NULL)
+ {
+ stream->real_top = (unsigned char *)
+ XtRealloc((char *)stream->real_top, stream->alloc + HEADER_SIZE);
+ stream->top = stream->real_top + HEADER_SIZE;
+ stream->current = stream->top + stream->size;
+ }
+}
+
+/*
+ * NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
+ *
+ * The only modified field if the "current" field
+ *
+ * The only fields that must be set correctly are the "current", "top"
+ * and "size" fields.
+ */
+/*
+ * Function:
+ * _XEditResGetg8
+ *
+ * Parameters:
+ * stream - protocol stream
+ * value - a pointer to value to return
+ *
+ * Description:
+ * Retrieves an unsigned 8 bit value from the protocol stream.
+ *
+ * Returns:
+ * True if sucessful
+ */
+Bool
+_XEditResGet8(ProtocolStream *stream, unsigned char *value)
+{
+ if (stream->size < (unsigned long)(stream->current - stream->top))
+ return (False);
+
+ *value = *((stream->current)++);
+ return (True);
+}
+
+/*
+ * Function:
+ * _XEditResGet16
+ *
+ * Parameters:
+ * stream - protocol stream
+ * value - pointer to return value
+ *
+ * Description:
+ * Retrieves an unsigned 16 bit value from the protocol stream.
+ *
+ * Returns:
+ * True if sucessful
+ */
+Bool
+_XEditResGet16(ProtocolStream *stream, unsigned short *value)
+{
+ unsigned char temp1, temp2;
+
+ if (!(_XEditResGet8(stream, &temp1) && _XEditResGet8(stream, &temp2)))
+ return (False);
+
+ *value = ((unsigned short)temp1 << XER_NBBY) + (unsigned short)temp2;
+ return (True);
+}
+
+/*
+ * Function:
+ * _XEditResGetSigned16
+ *
+ * Parameters:
+ * stream - protocol stream
+ * value - pointer to return value
+ *
+ * Description:
+ * Retrieves an signed 16 bit value from the protocol stream.
+ *
+ * Returns:
+ * True if sucessful
+ */
+Bool
+_XEditResGetSigned16(ProtocolStream *stream, short *value)
+{
+ unsigned char temp1, temp2;
+
+ if (!(_XEditResGet8(stream, &temp1) && _XEditResGet8(stream, &temp2)))
+ return (False);
+
+ if (temp1 & (1 << (XER_NBBY - 1))) /* If the sign bit is active */
+ {
+ *value = -1; /* store all 1's */
+ *value &= (temp1 << XER_NBBY); /* Now and in the MSB */
+ *value &= temp2; /* and LSB */
+ }
+ else
+ *value = ((unsigned short)temp1 << XER_NBBY) + (unsigned short)temp2;
+
+ return (True);
+}
+
+/*
+ * Function:
+ * _XEditResGet32
+ *
+ * Parameters:
+ * stream - protocol stream
+ * value - pointer to return value
+ *
+ * Description:
+ * Retrieves an unsigned 32 bit value from the protocol stream.
+ *
+ * Returns:
+ * True if sucessful
+ */
+Bool
+_XEditResGet32(ProtocolStream *stream, unsigned long *value)
+{
+ unsigned short temp1, temp2;
+
+ if (!(_XEditResGet16(stream, &temp1) && _XEditResGet16(stream, &temp2)))
+ return (False);
+
+ *value = ((unsigned short)temp1 << (XER_NBBY * 2)) + (unsigned short)temp2;
+ return (True);
+}
+
+/* Function:
+ * _XEditResGetString8
+ *
+ * Parameters:
+ * stream - protocol stream
+ * str - string to retrieve
+ *
+ * Description:
+ * Retrieves an 8 bit string value from the protocol stream.
+ *
+ * Returns:
+ * True if retrieval was successful
+ */
+Bool
+_XEditResGetString8(ProtocolStream *stream, char **str)
+{
+ unsigned short len;
+ register unsigned i;
+
+ if (!_XEditResGet16(stream, &len))
+ return (False);
+
+ *str = XtMalloc(sizeof(char) * (len + 1));
+
+ for (i = 0; i < len; i++)
+ {
+ if (!_XEditResGet8(stream, (unsigned char *)*str + i))
+ {
+ XtFree(*str);
+ *str = NULL;
+ return (False);
+ }
+ }
+ (*str)[i] = '\0';
+
+ return (True);
+}
+
+/*
+ * Function:
+ * _XEditResGetWidgetInfo
+ *
+ * Parameters:
+ * stream - protocol stream
+ * info - widget info struct to store into
+ *
+ * Description:
+ * Retrieves the list of widgets that follow and stores them in the
+ * widget info structure provided.
+ *
+ * Returns:
+ * True if retrieval was successful
+ */
+Bool
+_XEditResGetWidgetInfo(ProtocolStream *stream, WidgetInfo *info)
+{
+ unsigned int i;
+
+ if (!_XEditResGet16(stream, &info->num_widgets))
+ return (False);
+
+ info->ids = (unsigned long *)XtMalloc(sizeof(long) * info->num_widgets);
+
+ for (i = 0; i < info->num_widgets; i++)
+ {
+ if (!_XEditResGet32(stream, info->ids + i))
+ {
+ XtFree((char *)info->ids);
+ info->ids = NULL;
+ return (False);
+ }
+#if defined(LONG64) || defined(WORD64)
+ info->ids[i] |= globals.base_address;
+#endif
+ }
+ return (True);
+}
+
+/************************************************************
+ * Code for Loading the EditresBlock resource
+ ************************************************************/
+/*
+ * Function:
+ * CvStringToBlock
+ *
+ * Parameters:
+ * dpy - display
+ * args - unused
+ * num_args - unused
+ * from_val - value to convert
+ * to_val - where to store
+ * converter_data - unused
+ *
+ * Description:
+ * Converts a string to an editres block value.
+ *
+ * Returns:
+ * True if conversion was sucessful
+ */
+/*ARGSUSED*/
+static Boolean
+CvtStringToBlock(Display *dpy, XrmValue *args, Cardinal *num_args,
+ XrmValue *from_val, XrmValue *to_val,
+ XtPointer *converter_data)
+{
+ char ptr[16];
+ static EditresBlock block;
+
+ XmuNCopyISOLatin1Lowered(ptr, from_val->addr, sizeof(ptr));
+
+ if (streq(ptr, "none"))
+ block = BlockNone;
+ else if (streq(ptr, "setvalues"))
+ block = BlockSetValues;
+ else if (streq(ptr, "all"))
+ block = BlockAll;
+ else
+ {
+ Cardinal num_params = 1;
+ String params[1];
+
+ params[0] = from_val->addr;
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ "CvtStringToBlock", "unknownValue", "EditresError",
+ "Could not convert string \"%s\" to EditresBlock.",
+ params, &num_params);
+ return FALSE;
+ }
+
+ if (to_val->addr != NULL)
+ {
+ if (to_val->size < sizeof(EditresBlock))
+ {
+ to_val->size = sizeof(EditresBlock);
+ return FALSE;
+ }
+ *(EditresBlock *)(to_val->addr) = block;
+ }
+ else
+ to_val->addr = (XtPointer)block;
+
+ to_val->size = sizeof(EditresBlock);
+ return TRUE;
+}
+
+#define XtREditresBlock "EditresBlock"
+/*
+ * Function:
+ * LoadResources
+ *
+ * Parameters:
+ * w - any widget in the tree
+ *
+ * Description:
+ * Loads a global resource the determines of this application should
+ * allow Editres requests.
+ */
+static void
+LoadResources(Widget w)
+{
+ static XtResource resources[] = {
+ {"editresBlock", "EditresBlock", XtREditresBlock, sizeof(EditresBlock),
+ XtOffsetOf(Globals, block), XtRImmediate, (XtPointer)BlockNone}
+ };
+
+ for (; XtParent(w) != NULL; w = XtParent(w))
+ ;
+
+ XtAppSetTypeConverter(XtWidgetToApplicationContext(w),
+ XtRString, XtREditresBlock, CvtStringToBlock,
+ NULL, 0, XtCacheAll, NULL);
+
+ XtGetApplicationResources(w, (XtPointer)&globals, resources,
+ XtNumber(resources), NULL, 0);
+}
+
+/*
+ * Function:
+ * _XEditresGetStringValues
+ *
+ * Parameters:
+ * w - widget
+ * warg - where to store result
+ * numargs - unused
+ */
+/*ARGSUSED*/
+static void
+_XEditresGetStringValues(Widget w, Arg *warg, int numargs)
+{
+ static char buffer[32];
+ XtResourceList res_list;
+ Cardinal num_res;
+ XtResource *res = NULL;
+ long value;
+ Cardinal i;
+ char *string = "";
+ Arg args[1];
+ XrmValue to, from;
+
+ /*
+ * Look for the resource
+ */
+ XtGetResourceList(XtClass(w), &res_list, &num_res);
+ for (i = 0; i < num_res; i++)
+ if (strcmp(res_list[i].resource_name, warg->name) == 0)
+ {
+ res = &res_list[i];
+ break;
+ }
+
+ if (res == NULL && XtParent(w) != NULL)
+ {
+ XtFree((char *)res_list);
+ XtGetConstraintResourceList(XtClass(XtParent(w)), &res_list, &num_res);
+ for (i = 0; i < num_res; i++)
+ if (strcmp(res_list[i].resource_name, warg->name) == 0)
+ {
+ res = &res_list[i];
+ break;
+ }
+ }
+
+ if (res == NULL)
+ {
+ /* Couldn't find resource */
+
+ XtFree((char *)res_list);
+ *(XtPointer *)warg->value = NULL;
+ return;
+ }
+
+ /* try to get the value in the proper size */
+ switch (res->resource_size)
+ {
+#ifdef LONG_64
+ long v8;
+#endif
+ int v4;
+ short v2;
+ char v1;
+
+ case 1:
+ XtSetArg(args[0], res->resource_name, &v1);
+ XtGetValues(w, args, 1);
+ value = (int)v1;
+ break;
+ case 2:
+ XtSetArg(args[0], res->resource_name, &v2);
+ XtGetValues(w, args, 1);
+ value = (int)v2;
+ break;
+ case 4:
+ XtSetArg(args[0], res->resource_name, &v4);
+ XtGetValues(w, args, 1);
+ value = (int)v4;
+ break;
+#ifdef LONG_64
+ case 8:
+ XtSetArg(args[0], res->resource_name, &v8);
+ XtGetValues(w, args, 1);
+ value = (long)v8;
+ break;
+#endif
+ default:
+ fprintf(stderr, "_XEditresGetStringValues: bad size %d\n",
+ res->resource_size);
+ string = "bad size";
+ *(char **)(warg->value) = string;
+ XtFree((char *)res_list);
+ return;
+ }
+
+ /*
+ * If the resource is already String, no conversion needed
+ */
+ if (strcmp(XtRString, res->resource_type) == 0)
+ {
+ if (value == 0)
+ string = "(null)";
+ else
+ string = (char *)value;
+ }
+ else
+ {
+ from.size = res->resource_size;
+ from.addr = (XPointer)&value;
+ to.addr = NULL;
+ to.size = 0;
+
+ if (XtConvertAndStore(w,res->resource_type, &from, XtRString, &to))
+ string = to.addr;
+ else
+ {
+ string = buffer;
+ /*
+ * Conversion failed, fall back to representing it as integer
+ */
+ switch (res->resource_size)
+ {
+ case sizeof(char):
+ XmuSnprintf(buffer, sizeof(buffer), "%d", (int)(value & 0xff));
+ break;
+ case sizeof(short):
+ XmuSnprintf(buffer, sizeof(buffer), "%d", (int)(value & 0xffff));
+ break;
+ case sizeof(int):
+ XmuSnprintf(buffer, sizeof(buffer), "0x%08x", (int)value);
+ break;
+#ifdef LONG_64
+ case sizeof(long):
+ XmuSnprintf(buffer, sizeof(buffer), "0x%016lx", value);
+ break;
+#endif
+ }
+ }
+ }
+
+ if (string == NULL)
+ string = "";
+
+ *(char **)(warg->value) = string;
+ XtFree((char *)res_list);
+}