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-rw-r--r--libXt/src/Intrinsic.c3219
1 files changed, 1608 insertions, 1611 deletions
diff --git a/libXt/src/Intrinsic.c b/libXt/src/Intrinsic.c
index a25e2216e..727f7493d 100644
--- a/libXt/src/Intrinsic.c
+++ b/libXt/src/Intrinsic.c
@@ -1,1611 +1,1608 @@
-/* $Xorg: Intrinsic.c,v 1.4 2001/02/09 02:03:55 xorgcvs Exp $ */
-
-/***********************************************************
-Copyright 1993 Sun Microsystems, Inc. All rights reserved.
-
-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 (including the next
-paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
-
-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/Xt/Intrinsic.c,v 3.22 2003/01/12 03:55:46 tsi 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.
-
-*/
-
-#define INTRINSIC_C
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "IntrinsicI.h"
-#include "VarargsI.h" /* for geoTattler */
-#ifndef NO_IDENTIFY_WINDOWS
-#include <X11/Xatom.h>
-#endif
-#ifndef VMS
-#include <sys/stat.h>
-#endif /* VMS */
-
-#include <stdlib.h>
-
-String XtCXtToolkitError = "XtToolkitError";
-
-Boolean XtIsSubclass(
- Widget widget,
- WidgetClass widgetClass)
-{
- register WidgetClass w;
- Boolean retval = FALSE;
- WIDGET_TO_APPCON(widget);
-
- LOCK_APP(app);
- LOCK_PROCESS;
- for (w = widget->core.widget_class; w != NULL; w = w->core_class.superclass)
- if (w == widgetClass) {
- retval = TRUE;
- break;
- }
- UNLOCK_PROCESS;
- UNLOCK_APP(app);
- return retval;
-} /* XtIsSubclass */
-
-
-Boolean _XtCheckSubclassFlag(
- Widget object,
- _XtXtEnum flag)
-{
- Boolean retval;
-
- LOCK_PROCESS;
- if (object->core.widget_class->core_class.class_inited & flag)
- retval = TRUE;
- else
- retval = FALSE;
- UNLOCK_PROCESS;
- return retval;
-} /*_XtVerifySubclass */
-
-
-Boolean _XtIsSubclassOf(
- Widget object,
- WidgetClass widgetClass,
- WidgetClass superClass,
- _XtXtEnum flag)
-{
- LOCK_PROCESS;
- if (!(object->core.widget_class->core_class.class_inited & flag)) {
- UNLOCK_PROCESS;
- return False;
- } else {
- register WidgetClass c = object->core.widget_class;
- while (c != superClass) {
- if (c == widgetClass) {
- UNLOCK_PROCESS;
- return True;
- }
- c = c->core_class.superclass;
- }
- UNLOCK_PROCESS;
- return False;
- }
-} /*_XtIsSubclassOf */
-
-
-XtPointer XtGetClassExtension(
- WidgetClass object_class,
- Cardinal byte_offset,
- XrmQuark type,
- long version,
- Cardinal record_size)
-{
- ObjectClassExtension ext;
- LOCK_PROCESS;
-
- ext = *(ObjectClassExtension *)((char *)object_class + byte_offset);
- while (ext && (ext->record_type != type || ext->version < version
- || ext->record_size < record_size)) {
- ext = (ObjectClassExtension) ext->next_extension;
- }
-
- UNLOCK_PROCESS;
- return (XtPointer) ext;
-}
-
-
-static void ComputeWindowAttributes(
- Widget widget,
- XtValueMask *value_mask,
- XSetWindowAttributes *values)
-{
- XtExposeProc expose;
-
- *value_mask = CWEventMask | CWColormap;
- (*values).event_mask = XtBuildEventMask(widget);
- (*values).colormap = widget->core.colormap;
- if (widget->core.background_pixmap != XtUnspecifiedPixmap) {
- *value_mask |= CWBackPixmap;
- (*values).background_pixmap = widget->core.background_pixmap;
- } else {
- *value_mask |= CWBackPixel;
- (*values).background_pixel = widget->core.background_pixel;
- }
- if (widget->core.border_pixmap != XtUnspecifiedPixmap) {
- *value_mask |= CWBorderPixmap;
- (*values).border_pixmap = widget->core.border_pixmap;
- } else {
- *value_mask |= CWBorderPixel;
- (*values).border_pixel = widget->core.border_pixel;
- }
- LOCK_PROCESS;
- expose = widget->core.widget_class->core_class.expose;
- UNLOCK_PROCESS;
- if (expose == (XtExposeProc) NULL) {
- /* Try to avoid redisplay upon resize by making bit_gravity the same
- as the default win_gravity */
- *value_mask |= CWBitGravity;
- (*values).bit_gravity = NorthWestGravity;
- }
-} /* ComputeWindowAttributes */
-
-static void CallChangeManaged(
- register Widget widget)
-{
- register Cardinal i;
- XtWidgetProc change_managed;
- register WidgetList children;
- int managed_children = 0;
-
- register CompositePtr cpPtr;
- register CompositePartPtr clPtr;
-
- if (XtIsComposite (widget)) {
- cpPtr = (CompositePtr)&((CompositeWidget) widget)->composite;
- clPtr = (CompositePartPtr)&((CompositeWidgetClass)
- widget->core.widget_class)->composite_class;
- } else return;
-
- children = cpPtr->children;
- LOCK_PROCESS;
- change_managed = clPtr->change_managed;
- UNLOCK_PROCESS;
-
- /* CallChangeManaged for all children */
- for (i = cpPtr->num_children; i != 0; --i) {
- CallChangeManaged (children[i-1]);
- if (XtIsManaged(children[i-1])) managed_children++;
- }
-
- if (change_managed != NULL && managed_children != 0) {
- CALLGEOTAT(_XtGeoTrace(widget,"Call \"%s\"[%d,%d]'s changemanaged\n",
- XtName(widget),
- widget->core.width, widget->core.height));
- (*change_managed) (widget);
- }
-} /* CallChangeManaged */
-
-
-static void MapChildren(
- CompositePart *cwp)
-{
- Cardinal i;
- WidgetList children;
- register Widget child;
-
- children = cwp->children;
- for (i = 0; i < cwp->num_children; i++) {
- child = children[i];
- if (XtIsWidget (child)){
- if (child->core.managed && child->core.mapped_when_managed) {
- XtMapWidget (children[i]);
- }
- }
- }
-} /* MapChildren */
-
-
-static Boolean ShouldMapAllChildren(
- CompositePart *cwp)
-{
- Cardinal i;
- WidgetList children;
- register Widget child;
-
- children = cwp->children;
- for (i = 0; i < cwp->num_children; i++) {
- child = children[i];
- if (XtIsWidget(child)) {
- if (XtIsRealized(child) && (! (child->core.managed
- && child->core.mapped_when_managed))){
- return False;
- }
- }
- }
-
- return True;
-} /* ShouldMapAllChildren */
-
-
-static void RealizeWidget(
- Widget widget)
-{
- XtValueMask value_mask;
- XSetWindowAttributes values;
- XtRealizeProc realize;
- Window window;
- Display* display;
- String class_name;
- Widget hookobj;
-
- if (!XtIsWidget(widget) || XtIsRealized(widget)) return;
- display = XtDisplay(widget);
- _XtInstallTranslations(widget);
-
- ComputeWindowAttributes (widget, &value_mask, &values);
- LOCK_PROCESS;
- realize = widget->core.widget_class->core_class.realize;
- class_name = widget->core.widget_class->core_class.class_name;
- UNLOCK_PROCESS;
- if (realize == NULL)
- XtAppErrorMsg(XtWidgetToApplicationContext(widget),
- "invalidProcedure","realizeProc",XtCXtToolkitError,
- "No realize class procedure defined",
- (String *)NULL, (Cardinal *)NULL);
- else {
- CALLGEOTAT(_XtGeoTrace(widget,"Call \"%s\"[%d,%d]'s realize proc\n",
- XtName(widget),
- widget->core.width, widget->core.height));
- (*realize) (widget, &value_mask, &values);
- }
- window = XtWindow(widget);
- hookobj = XtHooksOfDisplay(XtDisplayOfObject(widget));
- if (XtHasCallbacks(hookobj,XtNchangeHook) == XtCallbackHasSome) {
- XtChangeHookDataRec call_data;
-
- call_data.type = XtHrealizeWidget;
- call_data.widget = widget;
- XtCallCallbackList(hookobj,
- ((HookObject)hookobj)->hooks.changehook_callbacks,
- (XtPointer)&call_data);
- }
-#ifndef NO_IDENTIFY_WINDOWS
- if (_XtGetPerDisplay(display)->appContext->identify_windows) {
- int len_nm, len_cl;
- char *s;
-
- len_nm = widget->core.name ? strlen(widget->core.name) : 0;
- len_cl = strlen(class_name);
- s = __XtMalloc((unsigned) (len_nm + len_cl + 2));
- s[0] = '\0';
- if (len_nm)
- strcpy(s, widget->core.name);
- strcpy(s + len_nm + 1, class_name);
- XChangeProperty(display, window,
- XInternAtom(display, "_MIT_OBJ_CLASS",
- False),
- XA_STRING, 8, PropModeReplace, (unsigned char *) s,
- len_nm + len_cl + 2);
- XtFree(s);
- }
-#endif
-#ifdef notdef
- _XtRegisterAsyncHandlers(widget);
-#endif
- /* (re)register any grabs extant in the translations */
- _XtRegisterGrabs(widget);
- /* reregister any grabs added with XtGrab{Button,Key} */
- _XtRegisterPassiveGrabs(widget);
- XtRegisterDrawable (display, window, widget);
- _XtExtensionSelect(widget);
-
- if (XtIsComposite (widget)) {
- Cardinal i;
- CompositePart *cwp = &(((CompositeWidget)widget)->composite);
- WidgetList children = cwp->children;
- /* Realize all children */
- for (i = cwp->num_children; i != 0; --i) {
- RealizeWidget (children[i-1]);
- }
- /* Map children that are managed and mapped_when_managed */
-
- if (cwp->num_children != 0) {
- if (ShouldMapAllChildren(cwp)) {
- XMapSubwindows (display, window);
- } else {
- MapChildren(cwp);
- }
- }
- }
-
- /* If this is the application's popup shell, map it */
- if (widget->core.parent == NULL && widget->core.mapped_when_managed) {
- XtMapWidget (widget);
- }
-} /* RealizeWidget */
-
-void XtRealizeWidget (
- Widget widget)
-{
- WIDGET_TO_APPCON(widget);
-
- LOCK_APP(app);
- if (XtIsRealized (widget)) {
- UNLOCK_APP(app);
- return;
- }
- CallChangeManaged(widget);
- RealizeWidget(widget);
- UNLOCK_APP(app);
-} /* XtRealizeWidget */
-
-
-static void UnrealizeWidget(
- Widget widget)
-{
- CompositeWidget cw;
- Cardinal i;
- WidgetList children;
-
- if (!XtIsWidget(widget) || !XtIsRealized(widget)) return;
-
- /* If this is the application's popup shell, unmap it? */
- /* no, the window is being destroyed */
-
- /* Recurse on children */
- if (XtIsComposite (widget)) {
- cw = (CompositeWidget) widget;
- children = cw->composite.children;
- /* Unrealize all children */
- for (i = cw->composite.num_children; i != 0; --i) {
- UnrealizeWidget (children[i-1]);
- }
- /* Unmap children that are managed and mapped_when_managed? */
- /* No, it's ok to be managed and unrealized as long as your parent */
- /* is unrealized. XtUnrealize widget makes sure the "top" widget */
- /* is unmanaged, we can ignore all descendents */
- }
-
- if (XtHasCallbacks(widget, XtNunrealizeCallback) == XtCallbackHasSome)
- XtCallCallbacks(widget, XtNunrealizeCallback, NULL);
-
- /* Unregister window */
- XtUnregisterDrawable(XtDisplay(widget), XtWindow(widget));
-
- /* Remove Event Handlers */
- /* remove grabs. Happens automatically when window is destroyed. */
-
- /* Destroy X Window, done at outer level with one request */
- widget->core.window = None;
-
- /* Removing the event handler here saves having to keep track if
- * the translation table is changed while the widget is unrealized.
- */
- _XtRemoveTranslations(widget);
-} /* UnrealizeWidget */
-
-
-void XtUnrealizeWidget (
- Widget widget)
-{
- Window window;
- Widget hookobj;
- WIDGET_TO_APPCON(widget);
-
- LOCK_APP(app);
- window = XtWindow(widget);
- if (! XtIsRealized (widget)) {
- UNLOCK_APP(app);
- return;
- }
- if (widget->core.managed && widget->core.parent != NULL)
- XtUnmanageChild(widget);
- UnrealizeWidget(widget);
- if (window != None)
- XDestroyWindow(XtDisplay(widget), window);
- hookobj = XtHooksOfDisplay(XtDisplayOfObject(widget));
- if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
- XtChangeHookDataRec call_data;
-
- call_data.type = XtHunrealizeWidget;
- call_data.widget = widget;
- XtCallCallbackList(hookobj,
- ((HookObject)hookobj)->hooks.changehook_callbacks,
- (XtPointer)&call_data);
- }
- UNLOCK_APP(app);
-} /* XtUnrealizeWidget */
-
-
-void XtCreateWindow(
- Widget widget,
- unsigned int window_class,
- Visual *visual,
- XtValueMask value_mask,
- XSetWindowAttributes *attributes)
-{
- XtAppContext app = XtWidgetToApplicationContext(widget);
-
- LOCK_APP(app);
- if (widget->core.window == None) {
- if (widget->core.width == 0 || widget->core.height == 0) {
- Cardinal count = 1;
- XtAppErrorMsg(app,
- "invalidDimension", "xtCreateWindow", XtCXtToolkitError,
- "Widget %s has zero width and/or height",
- &widget->core.name, &count);
- }
- widget->core.window =
- XCreateWindow (
- XtDisplay (widget),
- (widget->core.parent ?
- widget->core.parent->core.window :
- widget->core.screen->root),
- (int)widget->core.x, (int)widget->core.y,
- (unsigned)widget->core.width, (unsigned)widget->core.height,
- (unsigned)widget->core.border_width, (int) widget->core.depth,
- window_class, visual, value_mask, attributes);
- }
- UNLOCK_APP(app);
-} /* XtCreateWindow */
-
-
-/* ---------------- XtNameToWidget ----------------- */
-
-static Widget NameListToWidget(
- Widget root,
- XrmNameList names,
- XrmBindingList bindings,
- int in_depth, int *out_depth, int *found_depth);
-
-typedef Widget (*NameMatchProc)(XrmNameList,
- XrmBindingList,
- WidgetList, Cardinal, int, int *, int *);
-
-static Widget MatchExactChildren(
- XrmNameList names,
- XrmBindingList bindings,
- register WidgetList children,
- register Cardinal num,
- int in_depth, int *out_depth, int *found_depth)
-{
- register Cardinal i;
- register XrmName name = *names;
- Widget w, result = NULL;
- int d, min = 10000;
-
- for (i = 0; i < num; i++) {
- if (name == children[i]->core.xrm_name) {
- w = NameListToWidget(children[i], &names[1], &bindings[1],
- in_depth+1, &d, found_depth);
- if (w != NULL && d < min) {result = w; min = d;}
- }
- }
- *out_depth = min;
- return result;
-}
-
-static Widget MatchWildChildren(
- XrmNameList names,
- XrmBindingList bindings,
- register WidgetList children,
- register Cardinal num,
- int in_depth, int *out_depth, int *found_depth)
-{
- register Cardinal i;
- Widget w, result = NULL;
- int d, min = 10000;
-
- for (i = 0; i < num; i++) {
- w = NameListToWidget(children[i], names, bindings,
- in_depth+1, &d, found_depth);
- if (w != NULL && d < min) {result = w; min = d;}
- }
- *out_depth = min;
- return result;
-}
-
-static Widget SearchChildren(
- Widget root,
- XrmNameList names,
- XrmBindingList bindings,
- NameMatchProc matchproc,
- int in_depth, int *out_depth, int *found_depth)
-{
- Widget w1 = NULL, w2;
- int d1, d2;
-
- if (XtIsComposite(root)) {
- w1 = (*matchproc)(names, bindings,
- ((CompositeWidget) root)->composite.children,
- ((CompositeWidget) root)->composite.num_children,
- in_depth, &d1, found_depth);
- } else d1 = 10000;
- w2 = (*matchproc)(names, bindings, root->core.popup_list,
- root->core.num_popups, in_depth, &d2, found_depth);
- *out_depth = (d1 < d2 ? d1 : d2);
- return (d1 < d2 ? w1 : w2);
-}
-
-static Widget NameListToWidget(
- register Widget root,
- XrmNameList names,
- XrmBindingList bindings,
- int in_depth, int *out_depth, int *found_depth)
-{
- Widget w1, w2;
- int d1, d2;
-
- if (in_depth >= *found_depth) {
- *out_depth = 10000;
- return NULL;
- }
-
- if (names[0] == NULLQUARK) {
- *out_depth = *found_depth = in_depth;
- return root;
- }
-
- if (! XtIsWidget(root)) {
- *out_depth = 10000;
- return NULL;
- }
-
- if (*bindings == XrmBindTightly) {
- return SearchChildren(root, names, bindings, MatchExactChildren,
- in_depth, out_depth, found_depth);
-
- } else { /* XrmBindLoosely */
- w1 = SearchChildren(root, names, bindings, MatchExactChildren,
- in_depth, &d1, found_depth);
- w2 = SearchChildren(root, names, bindings, MatchWildChildren,
- in_depth, &d2, found_depth);
- *out_depth = (d1 < d2 ? d1 : d2);
- return (d1 < d2 ? w1 : w2);
- }
-} /* NameListToWidget */
-
-Widget XtNameToWidget(
- Widget root,
- _Xconst char* name)
-{
- XrmName *names;
- XrmBinding *bindings;
- int len, depth, found = 10000;
- Widget result;
- WIDGET_TO_APPCON(root);
-
- len = strlen(name);
- if (len == 0) return NULL;
-
- LOCK_APP(app);
- names = (XrmName *) ALLOCATE_LOCAL((unsigned) (len+1) * sizeof(XrmName));
- bindings = (XrmBinding *)
- ALLOCATE_LOCAL((unsigned) (len+1) * sizeof(XrmBinding));
- if (names == NULL || bindings == NULL) _XtAllocError(NULL);
-
- XrmStringToBindingQuarkList(name, bindings, names);
- if (names[0] == NULLQUARK) {
- DEALLOCATE_LOCAL((char *) bindings);
- DEALLOCATE_LOCAL((char *) names);
- UNLOCK_APP(app);
- return NULL;
- }
-
- result = NameListToWidget(root, names, bindings, 0, &depth, &found);
-
- DEALLOCATE_LOCAL((char *) bindings);
- DEALLOCATE_LOCAL((char *) names);
- UNLOCK_APP(app);
- return result;
-} /* XtNameToWidget */
-
-/* Define user versions of intrinsics macros */
-
-#undef XtDisplayOfObject
-Display *XtDisplayOfObject(
- Widget object)
-{
- /* Attempts to LockApp() here will generate endless recursive loops */
- if (XtIsSubclass(object, hookObjectClass))
- return DisplayOfScreen(((HookObject)object)->hooks.screen);
- return XtDisplay(XtIsWidget(object) ? object : _XtWindowedAncestor(object));
-}
-
-#undef XtDisplay
-Display *XtDisplay(
- Widget widget)
-{
- /* Attempts to LockApp() here will generate endless recursive loops */
- return DisplayOfScreen(widget->core.screen);
-}
-
-#undef XtScreenOfObject
-Screen *XtScreenOfObject(
- Widget object)
-{
- /* Attempts to LockApp() here will generate endless recursive loops */
- if (XtIsSubclass(object, hookObjectClass))
- return ((HookObject)object)->hooks.screen;
- return XtScreen(XtIsWidget(object) ? object : _XtWindowedAncestor(object));
-}
-
-#undef XtScreen
-Screen *XtScreen(
- Widget widget)
-{
- /* Attempts to LockApp() here will generate endless recursive loops */
- return widget->core.screen;
-}
-
-#undef XtWindowOfObject
-Window XtWindowOfObject(
- Widget object)
-{
- return XtWindow(XtIsWidget(object) ? object : _XtWindowedAncestor(object));
-}
-
-
-#undef XtWindow
-Window XtWindow(
- Widget widget)
-{
- return widget->core.window;
-}
-
-#undef XtSuperclass
-WidgetClass XtSuperclass(
- Widget widget)
-{
- WidgetClass retval;
-
- LOCK_PROCESS;
- retval = XtClass(widget)->core_class.superclass;
- UNLOCK_PROCESS;
- return retval;
-}
-
-#undef XtClass
-WidgetClass XtClass(
- Widget widget)
-{
- WidgetClass retval;
-
- LOCK_PROCESS;
- retval = widget->core.widget_class;
- UNLOCK_PROCESS;
- return retval;
-}
-
-#undef XtIsManaged
-Boolean XtIsManaged(
- Widget object)
-{
- Boolean retval;
- WIDGET_TO_APPCON(object);
-
- LOCK_APP(app);
- if (XtIsRectObj(object))
- retval = object->core.managed;
- else
- retval = False;
- UNLOCK_APP(app);
- return retval;
-}
-
-#undef XtIsRealized
-Boolean XtIsRealized (
- Widget object)
-{
- Boolean retval;
- WIDGET_TO_APPCON(object);
-
- LOCK_APP(app);
- retval = XtWindowOfObject(object) != None;
- UNLOCK_APP(app);
- return retval;
-} /* XtIsRealized */
-
-#undef XtIsSensitive
-Boolean XtIsSensitive(
- Widget object)
-{
- Boolean retval;
- WIDGET_TO_APPCON(object);
-
- LOCK_APP(app);
- if (XtIsRectObj(object))
- retval = object->core.sensitive && object->core.ancestor_sensitive;
- else
- retval = False;
- UNLOCK_APP(app);
- return retval;
-}
-
-/*
- * Internal routine; must be called only after XtIsWidget returns false
- */
-Widget _XtWindowedAncestor(
- register Widget object)
-{
- Widget obj = object;
- for (object = XtParent(object); object && !XtIsWidget(object);)
- object = XtParent(object);
-
- if (object == NULL) {
- String params = XtName(obj);
- Cardinal num_params = 1;
- XtErrorMsg("noWidgetAncestor", "windowedAncestor", XtCXtToolkitError,
- "Object \"%s\" does not have windowed ancestor",
- &params, &num_params);
- }
-
- return object;
-}
-
-#undef XtParent
-Widget XtParent(
- Widget widget)
-{
- /* Attempts to LockApp() here will generate endless recursive loops */
- return widget->core.parent;
-}
-
-#undef XtName
-String XtName(
- Widget object)
-{
- /* Attempts to LockApp() here will generate endless recursive loops */
- return XrmQuarkToString(object->core.xrm_name);
-}
-
-
-Boolean XtIsObject(
- Widget object)
-{
- WidgetClass wc;
- String class_name;
-
- /* perform basic sanity checks */
- if (object->core.self != object || object->core.xrm_name == NULLQUARK)
- return False;
-
- LOCK_PROCESS;
- wc = object->core.widget_class;
- if (wc->core_class.class_name == NULL ||
- wc->core_class.xrm_class == NULLQUARK ||
- (class_name = XrmClassToString(wc->core_class.xrm_class)) == NULL ||
- strcmp(wc->core_class.class_name, class_name) != 0) {
- UNLOCK_PROCESS;
- return False;
- }
- UNLOCK_PROCESS;
-
- if (XtIsWidget(object)) {
- if (object->core.name == NULL ||
- (class_name = XrmNameToString(object->core.xrm_name)) == NULL ||
- strcmp(object->core.name, class_name) != 0)
- return False;
- }
- return True;
-}
-
-#if defined(WIN32)
-static int access_file (
- char* path,
- char* pathbuf,
- int len_pathbuf,
- char** pathret)
-{
- if (access (path, F_OK) == 0) {
- if (strlen (path) < len_pathbuf)
- *pathret = pathbuf;
- else
- *pathret = XtMalloc (strlen (path));
- if (*pathret) {
- strcpy (*pathret, path);
- return 1;
- }
- }
- return 0;
-}
-
-static int AccessFile (
- char* path,
- char* pathbuf,
- int len_pathbuf,
- char** pathret)
-{
- unsigned long drives;
- int i, len;
- char* drive;
- char buf[MAX_PATH];
- char* bufp;
-
- /* just try the "raw" name first and see if it works */
- if (access_file (path, pathbuf, len_pathbuf, pathret))
- return 1;
-
-#if defined(WIN32) && defined(__MINGW32__)
- /* don't try others */
- return 0;
-#endif
-
- /* try the places set in the environment */
- drive = getenv ("_XBASEDRIVE");
-#ifdef __UNIXOS2__
- if (!drive)
- drive = getenv ("X11ROOT");
-#endif
- if (!drive)
- drive = "C:";
- len = strlen (drive) + strlen (path);
- bufp = XtStackAlloc (len + 1, buf);
- strcpy (bufp, drive);
- strcat (bufp, path);
- if (access_file (bufp, pathbuf, len_pathbuf, pathret)) {
- XtStackFree (bufp, buf);
- return 1;
- }
-
-#ifndef __UNIXOS2__
- /* one last place to look */
- drive = getenv ("HOMEDRIVE");
- if (drive) {
- len = strlen (drive) + strlen (path);
- bufp = XtStackAlloc (len + 1, buf);
- strcpy (bufp, drive);
- strcat (bufp, path);
- if (access_file (bufp, pathbuf, len_pathbuf, pathret)) {
- XtStackFree (bufp, buf);
- return 1;
- }
- }
-
- /* does OS/2 (with or with gcc-emx) have getdrives()? */
- /* tried everywhere else, go fishing */
- drives = _getdrives ();
-#define C_DRIVE ('C' - 'A')
-#define Z_DRIVE ('Z' - 'A')
- for (i = C_DRIVE; i <= Z_DRIVE; i++) { /* don't check on A: or B: */
- if ((1 << i) & drives) {
- len = 2 + strlen (path);
- bufp = XtStackAlloc (len + 1, buf);
- *bufp = 'A' + i;
- *(bufp + 1) = ':';
- *(bufp + 2) = '\0';
- strcat (bufp, path);
- if (access_file (bufp, pathbuf, len_pathbuf, pathret)) {
- XtStackFree (bufp, buf);
- return 1;
- }
- }
- }
-#endif
- return 0;
-}
-#endif
-
-static Boolean TestFile(
- String path)
-{
-#ifndef VMS
- int ret = 0;
- struct stat status;
-#if defined(WIN32)
- char buf[MAX_PATH];
- char* bufp;
- int len;
- UINT olderror = SetErrorMode (SEM_FAILCRITICALERRORS);
-
- if (AccessFile (path, buf, MAX_PATH, &bufp))
- path = bufp;
-
- (void) SetErrorMode (olderror);
-#endif
- ret = (access(path, R_OK) == 0 && /* exists and is readable */
- stat(path, &status) == 0 && /* get the status */
-#ifndef X_NOT_POSIX
- S_ISDIR(status.st_mode) == 0); /* not a directory */
-#else
- (status.st_mode & S_IFMT) != S_IFDIR); /* not a directory */
-#endif /* X_NOT_POSIX else */
- return ret;
-#else /* VMS */
- return TRUE; /* Who knows what to do here? */
-#endif /* VMS */
-}
-
-/* return of TRUE = resolved string fit, FALSE = didn't fit. Not
- null-terminated and not collapsed if it didn't fit */
-
-static Boolean Resolve(
- register _Xconst char *source, /* The source string */
- register int len, /* The length in bytes of *source */
- Substitution sub, /* Array of string values to substitute */
- Cardinal num, /* Number of substitution entries */
- char *buf, /* Where to put the resolved string; */
- char collapse) /* Character to collapse */
-{
- register int bytesLeft = PATH_MAX;
- register char* bp = buf;
-#ifndef DONT_COLLAPSE
- Boolean atBeginning = TRUE;
- Boolean prevIsCollapse = FALSE;
-
-#define PUT(ch) \
- { \
- if (--bytesLeft == 0) return FALSE; \
- if (prevIsCollapse) \
- if ((*bp = ch) != collapse) { \
- prevIsCollapse = FALSE; \
- bp++; \
- } \
- else bytesLeft++; \
- else if ((*bp++ = ch) == collapse && !atBeginning) \
- prevIsCollapse = TRUE; \
- }
-#else /* DONT_COLLAPSE */
-
-#define PUT(ch) \
- { \
- if (--bytesLeft == 0) return FALSE; \
- *bp++ = ch; \
- }
-#endif /* DONT_COLLAPSE */
-#define escape '%'
-
- while (len--) {
-#ifndef DONT_COLLAPSE
- if (*source == collapse) {
- PUT(*source);
- source++;
- continue;
- }
- else
-#endif /* DONT_COLLAPSE */
- if (*source != escape) {
- PUT(*source);
- }
- else {
- source++;
- if (len-- == 0) {
- PUT(escape);
- break;
- }
-
- if (*source == ':' || *source == escape)
- PUT(*source)
- else {
- /* Match the character against the match array */
- register Cardinal j;
-
- for (j = 0; j < num && sub[j].match != *source; j++) {}
-
- /* Substitute the substitution string */
-
- if (j >= num) PUT(*source)
- else if (sub[j].substitution != NULL) {
- char *sp = sub[j].substitution;
- while (*sp) {
- PUT(*sp);
- sp++;
- }
- }
- }
- }
- source++;
-#ifndef DONT_COLLAPSE
- atBeginning = FALSE;
-#endif /* DONT_COLLAPSE */
- }
- PUT('\0');
-
- return TRUE;
-#undef PUT
-#undef escape
-}
-
-
-String XtFindFile(
- _Xconst char* path,
- Substitution substitutions,
- Cardinal num_substitutions,
- XtFilePredicate predicate)
-{
- char *buf, *buf1, *buf2, *colon;
- int len;
- Boolean firstTime = TRUE;
-
- buf = buf1 = __XtMalloc((unsigned)PATH_MAX);
- buf2 = __XtMalloc((unsigned)PATH_MAX);
-
- if (predicate == NULL) predicate = TestFile;
-
- while (1) {
- colon = (String)path;
- /* skip leading colons */
- while (*colon) {
- if (*colon != ':') break;
- colon++;
- path++;
- }
- /* now look for an un-escaped colon */
- for ( ; *colon ; colon++) {
- if (*colon == '%' && *(path+1)) {
- colon++; /* bump it an extra time to skip %. */
- continue;
- }
- if (*colon == ':')
-#ifdef __UNIXOS2__
- if (colon > (path+1))
-#endif
- break;
- }
- len = colon - path;
- if (Resolve(path, len, substitutions, num_substitutions,
- buf, '/')) {
- if (firstTime || strcmp(buf1,buf2) != 0) {
-#ifdef __UNIXOS2__
- {
- char *bufx = (char*)__XOS2RedirRoot(buf);
- strcpy(buf,bufx);
- }
-#endif
-#ifdef XNL_DEBUG
- printf("Testing file %s\n", buf);
-#endif /* XNL_DEBUG */
- /* Check out the file */
- if ((*predicate) (buf)) {
- /* We've found it, return it */
-#ifdef XNL_DEBUG
- printf("File found.\n");
-#endif /* XNL_DEBUG */
- if (buf == buf1) XtFree(buf2);
- else XtFree(buf1);
- return buf;
- }
- if (buf == buf1)
- buf = buf2;
- else
- buf = buf1;
- firstTime = FALSE;
- }
- }
-
- /* Nope...any more paths? */
-
- if (*colon == '\0') break;
- path = colon+1;
- }
-
- /* No file found */
-
- XtFree(buf1);
- XtFree(buf2);
- return NULL;
-}
-
-
-/* The implementation of this routine is operating system dependent */
-/* Should match the code in Xlib _XlcMapOSLocaleName */
-
-static char *ExtractLocaleName(
- String lang)
-{
-
-#if defined(hpux) || defined(CSRG_BASED) || defined(sun) || defined(SVR4) || defined(sgi) || defined(__osf__) || defined(AIXV3) || defined(ultrix) || defined(WIN32) || defined(__UNIXOS2__) || defined (linux)
-# ifdef hpux
-/*
- * We need to discriminated between HPUX 9 and HPUX 10. The equivalent
- * code in Xlib in SetLocale.c does include locale.h via X11/Xlocale.h.
- */
-# include <locale.h>
-# ifndef _LastCategory
- /* HPUX 9 and earlier */
-# define SKIPCOUNT 2
-# define STARTCHAR ':'
-# define ENDCHAR ';'
-# else
- /* HPUX 10 */
-# define ENDCHAR ' '
-# endif
-# else
-# ifdef ultrix
-# define SKIPCOUNT 2
-# define STARTCHAR '\001'
-# define ENDCHAR '\001'
-# else
-# if defined(WIN32) || defined(__UNIXOS2__)
-# define SKIPCOUNT 1
-# define STARTCHAR '='
-# define ENDCHAR ';'
-# define WHITEFILL
-# else
-# if defined(__osf__) || (defined(AIXV3) && !defined(AIXV4))
-# define STARTCHAR ' '
-# define ENDCHAR ' '
-# else
-# if defined(linux)
-# define STARTSTR "LC_CTYPE="
-# define ENDCHAR ';'
-# else
-# if !defined(sun) || defined(SVR4)
-# define STARTCHAR '/'
-# define ENDCHAR '/'
-# endif
-# endif
-# endif
-# endif
-# endif
-# endif
-
- char *start;
- char *end;
- int len;
-# ifdef SKIPCOUNT
- int n;
-# endif
- static char* buf = NULL;
-
- start = lang;
-# ifdef SKIPCOUNT
- for (n = SKIPCOUNT;
- --n >= 0 && start && (start = strchr (start, STARTCHAR));
- start++)
- ;
- if (!start)
- start = lang;
-# endif
-# ifdef STARTCHAR
- if (start && (start = strchr (start, STARTCHAR)))
-# elif defined (STARTSTR)
- if (start && (start = strstr (start,STARTSTR)))
-# endif
- {
-# ifdef STARTCHAR
- start++;
-# elif defined (STARTSTR)
- start += strlen(STARTSTR);
-# endif
-
- if ((end = strchr (start, ENDCHAR))) {
- len = end - start;
- if (buf != NULL) XtFree (buf);
- buf = XtMalloc (len + 1);
- if (buf == NULL) return NULL;
- strncpy(buf, start, len);
- *(buf + len) = '\0';
-# ifdef WHITEFILL
- for (start = buf; start = strchr(start, ' '); )
- *start++ = '-';
-# endif
- return buf;
- } else /* if no ENDCHAR is found we are at the end of the line */
- return start;
- }
-# ifdef WHITEFILL
- if (strchr(lang, ' ')) {
- if (buf != NULL) XtFree (buf);
- else buf = XtMalloc (strlen (lang) + 1);
- if (buf == NULL) return NULL;
- strcpy(buf, lang);
- for (start = buf; start = strchr(start, ' '); )
- *start++ = '-';
- return buf;
- }
-# endif
-# undef STARTCHAR
-# undef ENDCHAR
-# undef WHITEFILL
-#endif
-
- return lang;
-}
-
-static void FillInLangSubs(
- Substitution subs,
- XtPerDisplay pd)
-{
- int len;
- char *string, *p1, *p2, *p3;
- char **rest;
- char *ch;
-
- if (pd->language == NULL ||
- (pd->language != NULL && pd->language[0] == '\0')) {
- subs[0].substitution = subs[1].substitution =
- subs[2].substitution = subs[3].substitution = NULL;
- return;
- }
-
- string = ExtractLocaleName(pd->language);
-
- if (string == NULL ||
- (string != NULL && string[0] == '\0')) {
- subs[0].substitution = subs[1].substitution =
- subs[2].substitution = subs[3].substitution = NULL;
- return;
- }
-
- len = strlen(string) + 1;
- subs[0].substitution = string;
- p1 = subs[1].substitution = __XtMalloc((Cardinal) 3*len);
- p2 = subs[2].substitution = subs[1].substitution + len;
- p3 = subs[3].substitution = subs[2].substitution + len;
-
- /* Everything up to the first "_" goes into p1. From "_" to "." in
- p2. The rest in p3. If no delimiters, all goes into p1. We
- assume p1, p2, and p3 are large enough. */
-
- *p1 = *p2 = *p3 = '\0';
-
- ch = strchr(string, '_');
- if (ch != NULL) {
- len = ch - string;
- (void) strncpy(p1, string, len);
- p1[len] = '\0';
- string = ch + 1;
- rest = &p2;
- } else rest = &p1;
-
- /* Rest points to where we put the first part */
-
- ch = strchr(string, '.');
- if (ch != NULL) {
- len = ch - string;
- strncpy(*rest, string, len);
- (*rest)[len] = '\0';
- (void) strcpy(p3, ch+1);
- } else (void) strcpy(*rest, string);
-}
-
-/*
- * default path used if environment variable XFILESEARCHPATH
- * is not defined. Also substitued for %D.
- * The exact value should be documented in the implementation
- * notes for any Xt implementation.
- */
-static char *implementation_default_path(void)
-{
-#if defined(WIN32)
- static char xfilesearchpath[] = ":";
-
- return xfilesearchpath;
-#elif defined(__UNIXOS2__)
- /* if you know how to pass % thru the compiler let me know */
- static char xfilesearchpath[] = XFILESEARCHPATHDEFAULT;
- static Bool fixed;
- char *ch;
-
- if (!fixed) {
- for (ch = xfilesearchpath; ch = strchr(ch, ';'); ch++)
- *ch = '%';
- fixed = True;
- }
- return xfilesearchpath;
-#else
- return XFILESEARCHPATHDEFAULT;
-#endif
-}
-
-
-static SubstitutionRec defaultSubs[] = {
- {'N', NULL},
- {'T', NULL},
- {'S', NULL},
- {'C', NULL},
- {'L', NULL},
- {'l', NULL},
- {'t', NULL},
- {'c', NULL}
-};
-
-
-String XtResolvePathname(
- Display *dpy,
- _Xconst char* type,
- _Xconst char* filename,
- _Xconst char* suffix,
- _Xconst char* path,
- Substitution substitutions,
- Cardinal num_substitutions,
- XtFilePredicate predicate)
-{
- XtPerDisplay pd;
- static char *defaultPath = NULL;
- char *impl_default = implementation_default_path();
- int idef_len = strlen(impl_default);
- char *massagedPath;
- int bytesAllocd, bytesLeft;
- char *ch, *result;
- Substitution merged_substitutions;
- XrmRepresentation db_type;
- XrmValue value;
- XrmName name_list[3];
- XrmClass class_list[3];
- Boolean pathMallocd = False;
-
- LOCK_PROCESS;
- pd = _XtGetPerDisplay(dpy);
- if (path == NULL) {
-#ifndef VMS
- if (defaultPath == NULL) {
- defaultPath = getenv("XFILESEARCHPATH");
- if (defaultPath == NULL)
- defaultPath = impl_default;
- }
- path = defaultPath;
-#endif /* VMS */
- }
-
- if (path == NULL)
- path = ""; /* NULL would kill us later */
-
- if (filename == NULL) {
- filename = XrmClassToString(pd->class);
- }
-
- bytesAllocd = bytesLeft = 1000;
- massagedPath = ALLOCATE_LOCAL(bytesAllocd);
- if (massagedPath == NULL) _XtAllocError(NULL);
-
- if (path[0] == ':') {
- strcpy(massagedPath, "%N%S");
- ch = &massagedPath[4];
- bytesLeft -= 4;
- } else ch = massagedPath;
-
- /* Insert %N%S between adjacent colons
- * and default path for %D.
- * Default path should not have any adjacent colons of its own.
- */
-
- while (*path != '\0') {
- if (bytesLeft < idef_len) {
- int bytesUsed = bytesAllocd - bytesLeft;
- char *new;
- bytesAllocd +=1000;
- new = __XtMalloc((Cardinal) bytesAllocd);
- strncpy( new, massagedPath, bytesUsed );
- ch = new + bytesUsed;
- if (pathMallocd)
- XtFree(massagedPath);
- else
- DEALLOCATE_LOCAL(massagedPath);
- pathMallocd = True;
- massagedPath = new;
- bytesLeft = bytesAllocd - bytesUsed;
- }
- if (*path == '%' && *(path+1) == ':') {
- *ch++ = '%';
- *ch++ = ':';
- path += 2;
- bytesLeft -= 2;
- continue;
- }
- if (*path == ':' && *(path+1) == ':') {
- strcpy(ch, ":%N%S:");
- ch += 6;
- bytesLeft -= 6;
- while (*path == ':') path++;
- continue;
- }
- if (*path == '%' && *(path+1) == 'D') {
- strcpy(ch, impl_default);
- ch += idef_len;
- bytesLeft -= idef_len;
- path += 2;
- continue;
- }
- *ch++ = *path++;
- bytesLeft--;
- }
- *ch = '\0';
-#ifdef XNL_DEBUG
- printf("Massaged path: %s\n", massagedPath);
-#endif /* XNL_DEBUG */
-
- if (num_substitutions == 0)
- merged_substitutions = defaultSubs;
- else {
- int i = XtNumber(defaultSubs);
- Substitution sub, def;
- merged_substitutions = sub = (Substitution)
- ALLOCATE_LOCAL((unsigned)(num_substitutions+i)*sizeof(SubstitutionRec));
- if (sub == NULL) _XtAllocError(NULL);
- for (def = defaultSubs; i--; sub++, def++) sub->match = def->match;
- for (i = num_substitutions; i--; ) *sub++ = *substitutions++;
- }
- merged_substitutions[0].substitution = (String)filename;
- merged_substitutions[1].substitution = (String)type;
- merged_substitutions[2].substitution = (String)suffix;
- name_list[0] = pd->name;
- name_list[1] = XrmPermStringToQuark("customization");
- name_list[2] = NULLQUARK;
- class_list[0] = pd->class;
- class_list[1] = XrmPermStringToQuark("Customization");
- class_list[2] = NULLQUARK;
- if (XrmQGetResource(XrmGetDatabase(dpy), name_list, class_list,
- &db_type, &value) &&
- db_type == _XtQString)
- merged_substitutions[3].substitution = (char *)value.addr;
- else
- merged_substitutions[3].substitution = NULL;
- FillInLangSubs(&merged_substitutions[4], pd);
-
- result = XtFindFile(massagedPath, merged_substitutions,
- num_substitutions + XtNumber(defaultSubs),
- predicate);
-
- if (merged_substitutions[5].substitution != NULL)
- XtFree( (XtPointer)merged_substitutions[5].substitution );
-
- if (merged_substitutions != defaultSubs)
- DEALLOCATE_LOCAL(merged_substitutions);
-
- if (pathMallocd)
- XtFree(massagedPath);
- else
- DEALLOCATE_LOCAL(massagedPath);
-
- UNLOCK_PROCESS;
- return result;
-}
-
-
-Boolean XtCallAcceptFocus(
- Widget widget,
- Time *time)
-{
- XtAcceptFocusProc ac;
- Boolean retval;
- WIDGET_TO_APPCON(widget);
-
- LOCK_APP(app);
- LOCK_PROCESS;
- ac = XtClass(widget)->core_class.accept_focus;
- UNLOCK_PROCESS;
-
- if (ac != NULL)
- retval = (*ac) (widget, time);
- else
- retval = FALSE;
- UNLOCK_APP(app);
- return retval;
-}
-
-#ifdef XT_GEO_TATTLER
-/**************************************************************************
- GeoTattler: This is used to debug Geometry management in Xt.
-
- It uses a pseudo resource XtNgeotattler.
-
- E.G. if those lines are found in the resource database:
-
- myapp*draw.XmScale.geoTattler: ON
- *XmScrollBar.geoTattler:ON
- *XmRowColumn.exit_button.geoTattler:ON
-
- then:
-
- all the XmScale children of the widget named draw,
- all the XmScrollBars,
- the widget named exit_button in any XmRowColumn
-
- will return True to the function IsTattled(), and will generate
- outlined trace to stdout.
-
-*************************************************************************/
-
-#define XtNgeoTattler "geoTattler"
-#define XtCGeoTattler "GeoTattler"
-
-typedef struct { Boolean geo_tattler ;} GeoDataRec ;
-
-static XtResource geo_resources[] = {
- { XtNgeoTattler, XtCGeoTattler, XtRBoolean, sizeof(Boolean),
- XtOffsetOf(GeoDataRec, geo_tattler),
- XtRImmediate, (XtPointer) False }
-};
-
-/************************************************************************
- This function uses XtGetSubresources to find out if a widget
- needs to be geo-spied by the caller. */
-static Boolean IsTattled (Widget widget)
-{
- GeoDataRec geo_data ;
-
- XtGetSubresources(widget, (XtPointer)&geo_data,
- (String)NULL, (String)NULL,
- geo_resources, XtNumber(geo_resources),
- NULL, 0);
-
- return geo_data.geo_tattler;
-
-} /* IsTattled */
-
-static int n_tab = 0 ; /* not MT for now */
-
-void
-_XtGeoTab (int direction) /* +1 or -1 */
-{
- n_tab += direction ;
-}
-
-
-void
-_XtGeoTrace (Widget widget, ...)
-{
- va_list args;
- char *fmt;
- int i ;
- if (IsTattled(widget)) {
- va_start(args, widget);
- fmt = va_arg(args, char *);
- for (i=0; i<n_tab; i++) printf(" ");
- (void) vprintf(fmt, args);
- va_end(args);
- }
-}
-
-#endif /* XT_GEO_TATTLER */
-
+/***********************************************************
+Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved.
+
+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 (including the next
+paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+
+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 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.
+
+*/
+
+#define INTRINSIC_C
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "IntrinsicI.h"
+#include "VarargsI.h" /* for geoTattler */
+#ifndef NO_IDENTIFY_WINDOWS
+#include <X11/Xatom.h>
+#endif
+#ifndef VMS
+#include <sys/stat.h>
+#endif /* VMS */
+
+#include <stdlib.h>
+
+String XtCXtToolkitError = "XtToolkitError";
+
+Boolean XtIsSubclass(
+ Widget widget,
+ WidgetClass widgetClass)
+{
+ register WidgetClass w;
+ Boolean retval = FALSE;
+ WIDGET_TO_APPCON(widget);
+
+ LOCK_APP(app);
+ LOCK_PROCESS;
+ for (w = widget->core.widget_class; w != NULL; w = w->core_class.superclass)
+ if (w == widgetClass) {
+ retval = TRUE;
+ break;
+ }
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ return retval;
+} /* XtIsSubclass */
+
+
+Boolean _XtCheckSubclassFlag(
+ Widget object,
+ _XtXtEnum flag)
+{
+ Boolean retval;
+
+ LOCK_PROCESS;
+ if (object->core.widget_class->core_class.class_inited & flag)
+ retval = TRUE;
+ else
+ retval = FALSE;
+ UNLOCK_PROCESS;
+ return retval;
+} /*_XtVerifySubclass */
+
+
+Boolean _XtIsSubclassOf(
+ Widget object,
+ WidgetClass widgetClass,
+ WidgetClass superClass,
+ _XtXtEnum flag)
+{
+ LOCK_PROCESS;
+ if (!(object->core.widget_class->core_class.class_inited & flag)) {
+ UNLOCK_PROCESS;
+ return False;
+ } else {
+ register WidgetClass c = object->core.widget_class;
+ while (c != superClass) {
+ if (c == widgetClass) {
+ UNLOCK_PROCESS;
+ return True;
+ }
+ c = c->core_class.superclass;
+ }
+ UNLOCK_PROCESS;
+ return False;
+ }
+} /*_XtIsSubclassOf */
+
+
+XtPointer XtGetClassExtension(
+ WidgetClass object_class,
+ Cardinal byte_offset,
+ XrmQuark type,
+ long version,
+ Cardinal record_size)
+{
+ ObjectClassExtension ext;
+ LOCK_PROCESS;
+
+ ext = *(ObjectClassExtension *)((char *)object_class + byte_offset);
+ while (ext && (ext->record_type != type || ext->version < version
+ || ext->record_size < record_size)) {
+ ext = (ObjectClassExtension) ext->next_extension;
+ }
+
+ UNLOCK_PROCESS;
+ return (XtPointer) ext;
+}
+
+
+static void ComputeWindowAttributes(
+ Widget widget,
+ XtValueMask *value_mask,
+ XSetWindowAttributes *values)
+{
+ XtExposeProc expose;
+
+ *value_mask = CWEventMask | CWColormap;
+ (*values).event_mask = XtBuildEventMask(widget);
+ (*values).colormap = widget->core.colormap;
+ if (widget->core.background_pixmap != XtUnspecifiedPixmap) {
+ *value_mask |= CWBackPixmap;
+ (*values).background_pixmap = widget->core.background_pixmap;
+ } else {
+ *value_mask |= CWBackPixel;
+ (*values).background_pixel = widget->core.background_pixel;
+ }
+ if (widget->core.border_pixmap != XtUnspecifiedPixmap) {
+ *value_mask |= CWBorderPixmap;
+ (*values).border_pixmap = widget->core.border_pixmap;
+ } else {
+ *value_mask |= CWBorderPixel;
+ (*values).border_pixel = widget->core.border_pixel;
+ }
+ LOCK_PROCESS;
+ expose = widget->core.widget_class->core_class.expose;
+ UNLOCK_PROCESS;
+ if (expose == (XtExposeProc) NULL) {
+ /* Try to avoid redisplay upon resize by making bit_gravity the same
+ as the default win_gravity */
+ *value_mask |= CWBitGravity;
+ (*values).bit_gravity = NorthWestGravity;
+ }
+} /* ComputeWindowAttributes */
+
+static void CallChangeManaged(
+ register Widget widget)
+{
+ register Cardinal i;
+ XtWidgetProc change_managed;
+ register WidgetList children;
+ int managed_children = 0;
+
+ register CompositePtr cpPtr;
+ register CompositePartPtr clPtr;
+
+ if (XtIsComposite (widget)) {
+ cpPtr = (CompositePtr)&((CompositeWidget) widget)->composite;
+ clPtr = (CompositePartPtr)&((CompositeWidgetClass)
+ widget->core.widget_class)->composite_class;
+ } else return;
+
+ children = cpPtr->children;
+ LOCK_PROCESS;
+ change_managed = clPtr->change_managed;
+ UNLOCK_PROCESS;
+
+ /* CallChangeManaged for all children */
+ for (i = cpPtr->num_children; i != 0; --i) {
+ CallChangeManaged (children[i-1]);
+ if (XtIsManaged(children[i-1])) managed_children++;
+ }
+
+ if (change_managed != NULL && managed_children != 0) {
+ CALLGEOTAT(_XtGeoTrace(widget,"Call \"%s\"[%d,%d]'s changemanaged\n",
+ XtName(widget),
+ widget->core.width, widget->core.height));
+ (*change_managed) (widget);
+ }
+} /* CallChangeManaged */
+
+
+static void MapChildren(
+ CompositePart *cwp)
+{
+ Cardinal i;
+ WidgetList children;
+ register Widget child;
+
+ children = cwp->children;
+ for (i = 0; i < cwp->num_children; i++) {
+ child = children[i];
+ if (XtIsWidget (child)){
+ if (child->core.managed && child->core.mapped_when_managed) {
+ XtMapWidget (children[i]);
+ }
+ }
+ }
+} /* MapChildren */
+
+
+static Boolean ShouldMapAllChildren(
+ CompositePart *cwp)
+{
+ Cardinal i;
+ WidgetList children;
+ register Widget child;
+
+ children = cwp->children;
+ for (i = 0; i < cwp->num_children; i++) {
+ child = children[i];
+ if (XtIsWidget(child)) {
+ if (XtIsRealized(child) && (! (child->core.managed
+ && child->core.mapped_when_managed))){
+ return False;
+ }
+ }
+ }
+
+ return True;
+} /* ShouldMapAllChildren */
+
+
+static void RealizeWidget(
+ Widget widget)
+{
+ XtValueMask value_mask;
+ XSetWindowAttributes values;
+ XtRealizeProc realize;
+ Window window;
+ Display* display;
+ String class_name;
+ Widget hookobj;
+
+ if (!XtIsWidget(widget) || XtIsRealized(widget)) return;
+ display = XtDisplay(widget);
+ _XtInstallTranslations(widget);
+
+ ComputeWindowAttributes (widget, &value_mask, &values);
+ LOCK_PROCESS;
+ realize = widget->core.widget_class->core_class.realize;
+ class_name = widget->core.widget_class->core_class.class_name;
+ UNLOCK_PROCESS;
+ if (realize == NULL)
+ XtAppErrorMsg(XtWidgetToApplicationContext(widget),
+ "invalidProcedure","realizeProc",XtCXtToolkitError,
+ "No realize class procedure defined",
+ (String *)NULL, (Cardinal *)NULL);
+ else {
+ CALLGEOTAT(_XtGeoTrace(widget,"Call \"%s\"[%d,%d]'s realize proc\n",
+ XtName(widget),
+ widget->core.width, widget->core.height));
+ (*realize) (widget, &value_mask, &values);
+ }
+ window = XtWindow(widget);
+ hookobj = XtHooksOfDisplay(XtDisplayOfObject(widget));
+ if (XtHasCallbacks(hookobj,XtNchangeHook) == XtCallbackHasSome) {
+ XtChangeHookDataRec call_data;
+
+ call_data.type = XtHrealizeWidget;
+ call_data.widget = widget;
+ XtCallCallbackList(hookobj,
+ ((HookObject)hookobj)->hooks.changehook_callbacks,
+ (XtPointer)&call_data);
+ }
+#ifndef NO_IDENTIFY_WINDOWS
+ if (_XtGetPerDisplay(display)->appContext->identify_windows) {
+ int len_nm, len_cl;
+ char *s;
+
+ len_nm = widget->core.name ? strlen(widget->core.name) : 0;
+ len_cl = strlen(class_name);
+ s = __XtMalloc((unsigned) (len_nm + len_cl + 2));
+ s[0] = '\0';
+ if (len_nm)
+ strcpy(s, widget->core.name);
+ strcpy(s + len_nm + 1, class_name);
+ XChangeProperty(display, window,
+ XInternAtom(display, "_MIT_OBJ_CLASS",
+ False),
+ XA_STRING, 8, PropModeReplace, (unsigned char *) s,
+ len_nm + len_cl + 2);
+ XtFree(s);
+ }
+#endif
+#ifdef notdef
+ _XtRegisterAsyncHandlers(widget);
+#endif
+ /* (re)register any grabs extant in the translations */
+ _XtRegisterGrabs(widget);
+ /* reregister any grabs added with XtGrab{Button,Key} */
+ _XtRegisterPassiveGrabs(widget);
+ XtRegisterDrawable (display, window, widget);
+ _XtExtensionSelect(widget);
+
+ if (XtIsComposite (widget)) {
+ Cardinal i;
+ CompositePart *cwp = &(((CompositeWidget)widget)->composite);
+ WidgetList children = cwp->children;
+ /* Realize all children */
+ for (i = cwp->num_children; i != 0; --i) {
+ RealizeWidget (children[i-1]);
+ }
+ /* Map children that are managed and mapped_when_managed */
+
+ if (cwp->num_children != 0) {
+ if (ShouldMapAllChildren(cwp)) {
+ XMapSubwindows (display, window);
+ } else {
+ MapChildren(cwp);
+ }
+ }
+ }
+
+ /* If this is the application's popup shell, map it */
+ if (widget->core.parent == NULL && widget->core.mapped_when_managed) {
+ XtMapWidget (widget);
+ }
+} /* RealizeWidget */
+
+void XtRealizeWidget (
+ Widget widget)
+{
+ WIDGET_TO_APPCON(widget);
+
+ LOCK_APP(app);
+ if (XtIsRealized (widget)) {
+ UNLOCK_APP(app);
+ return;
+ }
+ CallChangeManaged(widget);
+ RealizeWidget(widget);
+ UNLOCK_APP(app);
+} /* XtRealizeWidget */
+
+
+static void UnrealizeWidget(
+ Widget widget)
+{
+ CompositeWidget cw;
+ Cardinal i;
+ WidgetList children;
+
+ if (!XtIsWidget(widget) || !XtIsRealized(widget)) return;
+
+ /* If this is the application's popup shell, unmap it? */
+ /* no, the window is being destroyed */
+
+ /* Recurse on children */
+ if (XtIsComposite (widget)) {
+ cw = (CompositeWidget) widget;
+ children = cw->composite.children;
+ /* Unrealize all children */
+ for (i = cw->composite.num_children; i != 0; --i) {
+ UnrealizeWidget (children[i-1]);
+ }
+ /* Unmap children that are managed and mapped_when_managed? */
+ /* No, it's ok to be managed and unrealized as long as your parent */
+ /* is unrealized. XtUnrealize widget makes sure the "top" widget */
+ /* is unmanaged, we can ignore all descendents */
+ }
+
+ if (XtHasCallbacks(widget, XtNunrealizeCallback) == XtCallbackHasSome)
+ XtCallCallbacks(widget, XtNunrealizeCallback, NULL);
+
+ /* Unregister window */
+ XtUnregisterDrawable(XtDisplay(widget), XtWindow(widget));
+
+ /* Remove Event Handlers */
+ /* remove grabs. Happens automatically when window is destroyed. */
+
+ /* Destroy X Window, done at outer level with one request */
+ widget->core.window = None;
+
+ /* Removing the event handler here saves having to keep track if
+ * the translation table is changed while the widget is unrealized.
+ */
+ _XtRemoveTranslations(widget);
+} /* UnrealizeWidget */
+
+
+void XtUnrealizeWidget (
+ Widget widget)
+{
+ Window window;
+ Widget hookobj;
+ WIDGET_TO_APPCON(widget);
+
+ LOCK_APP(app);
+ window = XtWindow(widget);
+ if (! XtIsRealized (widget)) {
+ UNLOCK_APP(app);
+ return;
+ }
+ if (widget->core.managed && widget->core.parent != NULL)
+ XtUnmanageChild(widget);
+ UnrealizeWidget(widget);
+ if (window != None)
+ XDestroyWindow(XtDisplay(widget), window);
+ hookobj = XtHooksOfDisplay(XtDisplayOfObject(widget));
+ if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+ XtChangeHookDataRec call_data;
+
+ call_data.type = XtHunrealizeWidget;
+ call_data.widget = widget;
+ XtCallCallbackList(hookobj,
+ ((HookObject)hookobj)->hooks.changehook_callbacks,
+ (XtPointer)&call_data);
+ }
+ UNLOCK_APP(app);
+} /* XtUnrealizeWidget */
+
+
+void XtCreateWindow(
+ Widget widget,
+ unsigned int window_class,
+ Visual *visual,
+ XtValueMask value_mask,
+ XSetWindowAttributes *attributes)
+{
+ XtAppContext app = XtWidgetToApplicationContext(widget);
+
+ LOCK_APP(app);
+ if (widget->core.window == None) {
+ if (widget->core.width == 0 || widget->core.height == 0) {
+ Cardinal count = 1;
+ XtAppErrorMsg(app,
+ "invalidDimension", "xtCreateWindow", XtCXtToolkitError,
+ "Widget %s has zero width and/or height",
+ &widget->core.name, &count);
+ }
+ widget->core.window =
+ XCreateWindow (
+ XtDisplay (widget),
+ (widget->core.parent ?
+ widget->core.parent->core.window :
+ widget->core.screen->root),
+ (int)widget->core.x, (int)widget->core.y,
+ (unsigned)widget->core.width, (unsigned)widget->core.height,
+ (unsigned)widget->core.border_width, (int) widget->core.depth,
+ window_class, visual, value_mask, attributes);
+ }
+ UNLOCK_APP(app);
+} /* XtCreateWindow */
+
+
+/* ---------------- XtNameToWidget ----------------- */
+
+static Widget NameListToWidget(
+ Widget root,
+ XrmNameList names,
+ XrmBindingList bindings,
+ int in_depth, int *out_depth, int *found_depth);
+
+typedef Widget (*NameMatchProc)(XrmNameList,
+ XrmBindingList,
+ WidgetList, Cardinal, int, int *, int *);
+
+static Widget MatchExactChildren(
+ XrmNameList names,
+ XrmBindingList bindings,
+ register WidgetList children,
+ register Cardinal num,
+ int in_depth, int *out_depth, int *found_depth)
+{
+ register Cardinal i;
+ register XrmName name = *names;
+ Widget w, result = NULL;
+ int d, min = 10000;
+
+ for (i = 0; i < num; i++) {
+ if (name == children[i]->core.xrm_name) {
+ w = NameListToWidget(children[i], &names[1], &bindings[1],
+ in_depth+1, &d, found_depth);
+ if (w != NULL && d < min) {result = w; min = d;}
+ }
+ }
+ *out_depth = min;
+ return result;
+}
+
+static Widget MatchWildChildren(
+ XrmNameList names,
+ XrmBindingList bindings,
+ register WidgetList children,
+ register Cardinal num,
+ int in_depth, int *out_depth, int *found_depth)
+{
+ register Cardinal i;
+ Widget w, result = NULL;
+ int d, min = 10000;
+
+ for (i = 0; i < num; i++) {
+ w = NameListToWidget(children[i], names, bindings,
+ in_depth+1, &d, found_depth);
+ if (w != NULL && d < min) {result = w; min = d;}
+ }
+ *out_depth = min;
+ return result;
+}
+
+static Widget SearchChildren(
+ Widget root,
+ XrmNameList names,
+ XrmBindingList bindings,
+ NameMatchProc matchproc,
+ int in_depth, int *out_depth, int *found_depth)
+{
+ Widget w1 = NULL, w2;
+ int d1, d2;
+
+ if (XtIsComposite(root)) {
+ w1 = (*matchproc)(names, bindings,
+ ((CompositeWidget) root)->composite.children,
+ ((CompositeWidget) root)->composite.num_children,
+ in_depth, &d1, found_depth);
+ } else d1 = 10000;
+ w2 = (*matchproc)(names, bindings, root->core.popup_list,
+ root->core.num_popups, in_depth, &d2, found_depth);
+ *out_depth = (d1 < d2 ? d1 : d2);
+ return (d1 < d2 ? w1 : w2);
+}
+
+static Widget NameListToWidget(
+ register Widget root,
+ XrmNameList names,
+ XrmBindingList bindings,
+ int in_depth, int *out_depth, int *found_depth)
+{
+ Widget w1, w2;
+ int d1, d2;
+
+ if (in_depth >= *found_depth) {
+ *out_depth = 10000;
+ return NULL;
+ }
+
+ if (names[0] == NULLQUARK) {
+ *out_depth = *found_depth = in_depth;
+ return root;
+ }
+
+ if (! XtIsWidget(root)) {
+ *out_depth = 10000;
+ return NULL;
+ }
+
+ if (*bindings == XrmBindTightly) {
+ return SearchChildren(root, names, bindings, MatchExactChildren,
+ in_depth, out_depth, found_depth);
+
+ } else { /* XrmBindLoosely */
+ w1 = SearchChildren(root, names, bindings, MatchExactChildren,
+ in_depth, &d1, found_depth);
+ w2 = SearchChildren(root, names, bindings, MatchWildChildren,
+ in_depth, &d2, found_depth);
+ *out_depth = (d1 < d2 ? d1 : d2);
+ return (d1 < d2 ? w1 : w2);
+ }
+} /* NameListToWidget */
+
+Widget XtNameToWidget(
+ Widget root,
+ _Xconst char* name)
+{
+ XrmName *names;
+ XrmBinding *bindings;
+ int len, depth, found = 10000;
+ Widget result;
+ WIDGET_TO_APPCON(root);
+
+ len = strlen(name);
+ if (len == 0) return NULL;
+
+ LOCK_APP(app);
+ names = (XrmName *) ALLOCATE_LOCAL((unsigned) (len+1) * sizeof(XrmName));
+ bindings = (XrmBinding *)
+ ALLOCATE_LOCAL((unsigned) (len+1) * sizeof(XrmBinding));
+ if (names == NULL || bindings == NULL) _XtAllocError(NULL);
+
+ XrmStringToBindingQuarkList(name, bindings, names);
+ if (names[0] == NULLQUARK) {
+ DEALLOCATE_LOCAL((char *) bindings);
+ DEALLOCATE_LOCAL((char *) names);
+ UNLOCK_APP(app);
+ return NULL;
+ }
+
+ result = NameListToWidget(root, names, bindings, 0, &depth, &found);
+
+ DEALLOCATE_LOCAL((char *) bindings);
+ DEALLOCATE_LOCAL((char *) names);
+ UNLOCK_APP(app);
+ return result;
+} /* XtNameToWidget */
+
+/* Define user versions of intrinsics macros */
+
+#undef XtDisplayOfObject
+Display *XtDisplayOfObject(
+ Widget object)
+{
+ /* Attempts to LockApp() here will generate endless recursive loops */
+ if (XtIsSubclass(object, hookObjectClass))
+ return DisplayOfScreen(((HookObject)object)->hooks.screen);
+ return XtDisplay(XtIsWidget(object) ? object : _XtWindowedAncestor(object));
+}
+
+#undef XtDisplay
+Display *XtDisplay(
+ Widget widget)
+{
+ /* Attempts to LockApp() here will generate endless recursive loops */
+ return DisplayOfScreen(widget->core.screen);
+}
+
+#undef XtScreenOfObject
+Screen *XtScreenOfObject(
+ Widget object)
+{
+ /* Attempts to LockApp() here will generate endless recursive loops */
+ if (XtIsSubclass(object, hookObjectClass))
+ return ((HookObject)object)->hooks.screen;
+ return XtScreen(XtIsWidget(object) ? object : _XtWindowedAncestor(object));
+}
+
+#undef XtScreen
+Screen *XtScreen(
+ Widget widget)
+{
+ /* Attempts to LockApp() here will generate endless recursive loops */
+ return widget->core.screen;
+}
+
+#undef XtWindowOfObject
+Window XtWindowOfObject(
+ Widget object)
+{
+ return XtWindow(XtIsWidget(object) ? object : _XtWindowedAncestor(object));
+}
+
+
+#undef XtWindow
+Window XtWindow(
+ Widget widget)
+{
+ return widget->core.window;
+}
+
+#undef XtSuperclass
+WidgetClass XtSuperclass(
+ Widget widget)
+{
+ WidgetClass retval;
+
+ LOCK_PROCESS;
+ retval = XtClass(widget)->core_class.superclass;
+ UNLOCK_PROCESS;
+ return retval;
+}
+
+#undef XtClass
+WidgetClass XtClass(
+ Widget widget)
+{
+ WidgetClass retval;
+
+ LOCK_PROCESS;
+ retval = widget->core.widget_class;
+ UNLOCK_PROCESS;
+ return retval;
+}
+
+#undef XtIsManaged
+Boolean XtIsManaged(
+ Widget object)
+{
+ Boolean retval;
+ WIDGET_TO_APPCON(object);
+
+ LOCK_APP(app);
+ if (XtIsRectObj(object))
+ retval = object->core.managed;
+ else
+ retval = False;
+ UNLOCK_APP(app);
+ return retval;
+}
+
+#undef XtIsRealized
+Boolean XtIsRealized (
+ Widget object)
+{
+ Boolean retval;
+ WIDGET_TO_APPCON(object);
+
+ LOCK_APP(app);
+ retval = XtWindowOfObject(object) != None;
+ UNLOCK_APP(app);
+ return retval;
+} /* XtIsRealized */
+
+#undef XtIsSensitive
+Boolean XtIsSensitive(
+ Widget object)
+{
+ Boolean retval;
+ WIDGET_TO_APPCON(object);
+
+ LOCK_APP(app);
+ if (XtIsRectObj(object))
+ retval = object->core.sensitive && object->core.ancestor_sensitive;
+ else
+ retval = False;
+ UNLOCK_APP(app);
+ return retval;
+}
+
+/*
+ * Internal routine; must be called only after XtIsWidget returns false
+ */
+Widget _XtWindowedAncestor(
+ register Widget object)
+{
+ Widget obj = object;
+ for (object = XtParent(object); object && !XtIsWidget(object);)
+ object = XtParent(object);
+
+ if (object == NULL) {
+ String params = XtName(obj);
+ Cardinal num_params = 1;
+ XtErrorMsg("noWidgetAncestor", "windowedAncestor", XtCXtToolkitError,
+ "Object \"%s\" does not have windowed ancestor",
+ &params, &num_params);
+ }
+
+ return object;
+}
+
+#undef XtParent
+Widget XtParent(
+ Widget widget)
+{
+ /* Attempts to LockApp() here will generate endless recursive loops */
+ return widget->core.parent;
+}
+
+#undef XtName
+String XtName(
+ Widget object)
+{
+ /* Attempts to LockApp() here will generate endless recursive loops */
+ return XrmQuarkToString(object->core.xrm_name);
+}
+
+
+Boolean XtIsObject(
+ Widget object)
+{
+ WidgetClass wc;
+ String class_name;
+
+ /* perform basic sanity checks */
+ if (object->core.self != object || object->core.xrm_name == NULLQUARK)
+ return False;
+
+ LOCK_PROCESS;
+ wc = object->core.widget_class;
+ if (wc->core_class.class_name == NULL ||
+ wc->core_class.xrm_class == NULLQUARK ||
+ (class_name = XrmClassToString(wc->core_class.xrm_class)) == NULL ||
+ strcmp(wc->core_class.class_name, class_name) != 0) {
+ UNLOCK_PROCESS;
+ return False;
+ }
+ UNLOCK_PROCESS;
+
+ if (XtIsWidget(object)) {
+ if (object->core.name == NULL ||
+ (class_name = XrmNameToString(object->core.xrm_name)) == NULL ||
+ strcmp(object->core.name, class_name) != 0)
+ return False;
+ }
+ return True;
+}
+
+#if defined(WIN32)
+static int access_file (
+ char* path,
+ char* pathbuf,
+ int len_pathbuf,
+ char** pathret)
+{
+ if (access (path, F_OK) == 0) {
+ if (strlen (path) < len_pathbuf)
+ *pathret = pathbuf;
+ else
+ *pathret = XtMalloc (strlen (path));
+ if (*pathret) {
+ strcpy (*pathret, path);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int AccessFile (
+ char* path,
+ char* pathbuf,
+ int len_pathbuf,
+ char** pathret)
+{
+ unsigned long drives;
+ int i, len;
+ char* drive;
+ char buf[MAX_PATH];
+ char* bufp;
+
+ /* just try the "raw" name first and see if it works */
+ if (access_file (path, pathbuf, len_pathbuf, pathret))
+ return 1;
+
+#if defined(WIN32) && defined(__MINGW32__)
+ /* don't try others */
+ return 0;
+#endif
+
+ /* try the places set in the environment */
+ drive = getenv ("_XBASEDRIVE");
+#ifdef __UNIXOS2__
+ if (!drive)
+ drive = getenv ("X11ROOT");
+#endif
+ if (!drive)
+ drive = "C:";
+ len = strlen (drive) + strlen (path);
+ bufp = XtStackAlloc (len + 1, buf);
+ strcpy (bufp, drive);
+ strcat (bufp, path);
+ if (access_file (bufp, pathbuf, len_pathbuf, pathret)) {
+ XtStackFree (bufp, buf);
+ return 1;
+ }
+
+#ifndef __UNIXOS2__
+ /* one last place to look */
+ drive = getenv ("HOMEDRIVE");
+ if (drive) {
+ len = strlen (drive) + strlen (path);
+ bufp = XtStackAlloc (len + 1, buf);
+ strcpy (bufp, drive);
+ strcat (bufp, path);
+ if (access_file (bufp, pathbuf, len_pathbuf, pathret)) {
+ XtStackFree (bufp, buf);
+ return 1;
+ }
+ }
+
+ /* does OS/2 (with or with gcc-emx) have getdrives()? */
+ /* tried everywhere else, go fishing */
+ drives = _getdrives ();
+#define C_DRIVE ('C' - 'A')
+#define Z_DRIVE ('Z' - 'A')
+ for (i = C_DRIVE; i <= Z_DRIVE; i++) { /* don't check on A: or B: */
+ if ((1 << i) & drives) {
+ len = 2 + strlen (path);
+ bufp = XtStackAlloc (len + 1, buf);
+ *bufp = 'A' + i;
+ *(bufp + 1) = ':';
+ *(bufp + 2) = '\0';
+ strcat (bufp, path);
+ if (access_file (bufp, pathbuf, len_pathbuf, pathret)) {
+ XtStackFree (bufp, buf);
+ return 1;
+ }
+ }
+ }
+#endif
+ return 0;
+}
+#endif
+
+static Boolean TestFile(
+ String path)
+{
+#ifndef VMS
+ int ret = 0;
+ struct stat status;
+#if defined(WIN32)
+ char buf[MAX_PATH];
+ char* bufp;
+ int len;
+ UINT olderror = SetErrorMode (SEM_FAILCRITICALERRORS);
+
+ if (AccessFile (path, buf, MAX_PATH, &bufp))
+ path = bufp;
+
+ (void) SetErrorMode (olderror);
+#endif
+ ret = (access(path, R_OK) == 0 && /* exists and is readable */
+ stat(path, &status) == 0 && /* get the status */
+#ifndef X_NOT_POSIX
+ S_ISDIR(status.st_mode) == 0); /* not a directory */
+#else
+ (status.st_mode & S_IFMT) != S_IFDIR); /* not a directory */
+#endif /* X_NOT_POSIX else */
+ return ret;
+#else /* VMS */
+ return TRUE; /* Who knows what to do here? */
+#endif /* VMS */
+}
+
+/* return of TRUE = resolved string fit, FALSE = didn't fit. Not
+ null-terminated and not collapsed if it didn't fit */
+
+static Boolean Resolve(
+ register _Xconst char *source, /* The source string */
+ register int len, /* The length in bytes of *source */
+ Substitution sub, /* Array of string values to substitute */
+ Cardinal num, /* Number of substitution entries */
+ char *buf, /* Where to put the resolved string; */
+ char collapse) /* Character to collapse */
+{
+ register int bytesLeft = PATH_MAX;
+ register char* bp = buf;
+#ifndef DONT_COLLAPSE
+ Boolean atBeginning = TRUE;
+ Boolean prevIsCollapse = FALSE;
+
+#define PUT(ch) \
+ { \
+ if (--bytesLeft == 0) return FALSE; \
+ if (prevIsCollapse) \
+ if ((*bp = ch) != collapse) { \
+ prevIsCollapse = FALSE; \
+ bp++; \
+ } \
+ else bytesLeft++; \
+ else if ((*bp++ = ch) == collapse && !atBeginning) \
+ prevIsCollapse = TRUE; \
+ }
+#else /* DONT_COLLAPSE */
+
+#define PUT(ch) \
+ { \
+ if (--bytesLeft == 0) return FALSE; \
+ *bp++ = ch; \
+ }
+#endif /* DONT_COLLAPSE */
+#define escape '%'
+
+ while (len--) {
+#ifndef DONT_COLLAPSE
+ if (*source == collapse) {
+ PUT(*source);
+ source++;
+ continue;
+ }
+ else
+#endif /* DONT_COLLAPSE */
+ if (*source != escape) {
+ PUT(*source);
+ }
+ else {
+ source++;
+ if (len-- == 0) {
+ PUT(escape);
+ break;
+ }
+
+ if (*source == ':' || *source == escape)
+ PUT(*source)
+ else {
+ /* Match the character against the match array */
+ register Cardinal j;
+
+ for (j = 0; j < num && sub[j].match != *source; j++) {}
+
+ /* Substitute the substitution string */
+
+ if (j >= num) PUT(*source)
+ else if (sub[j].substitution != NULL) {
+ char *sp = sub[j].substitution;
+ while (*sp) {
+ PUT(*sp);
+ sp++;
+ }
+ }
+ }
+ }
+ source++;
+#ifndef DONT_COLLAPSE
+ atBeginning = FALSE;
+#endif /* DONT_COLLAPSE */
+ }
+ PUT('\0');
+
+ return TRUE;
+#undef PUT
+#undef escape
+}
+
+
+String XtFindFile(
+ _Xconst char* path,
+ Substitution substitutions,
+ Cardinal num_substitutions,
+ XtFilePredicate predicate)
+{
+ char *buf, *buf1, *buf2, *colon;
+ int len;
+ Boolean firstTime = TRUE;
+
+ buf = buf1 = __XtMalloc((unsigned)PATH_MAX);
+ buf2 = __XtMalloc((unsigned)PATH_MAX);
+
+ if (predicate == NULL) predicate = TestFile;
+
+ while (1) {
+ colon = (String)path;
+ /* skip leading colons */
+ while (*colon) {
+ if (*colon != ':') break;
+ colon++;
+ path++;
+ }
+ /* now look for an un-escaped colon */
+ for ( ; *colon ; colon++) {
+ if (*colon == '%' && *(path+1)) {
+ colon++; /* bump it an extra time to skip %. */
+ continue;
+ }
+ if (*colon == ':')
+#ifdef __UNIXOS2__
+ if (colon > (path+1))
+#endif
+ break;
+ }
+ len = colon - path;
+ if (Resolve(path, len, substitutions, num_substitutions,
+ buf, '/')) {
+ if (firstTime || strcmp(buf1,buf2) != 0) {
+#ifdef __UNIXOS2__
+ {
+ char *bufx = (char*)__XOS2RedirRoot(buf);
+ strcpy(buf,bufx);
+ }
+#endif
+#ifdef XNL_DEBUG
+ printf("Testing file %s\n", buf);
+#endif /* XNL_DEBUG */
+ /* Check out the file */
+ if ((*predicate) (buf)) {
+ /* We've found it, return it */
+#ifdef XNL_DEBUG
+ printf("File found.\n");
+#endif /* XNL_DEBUG */
+ if (buf == buf1) XtFree(buf2);
+ else XtFree(buf1);
+ return buf;
+ }
+ if (buf == buf1)
+ buf = buf2;
+ else
+ buf = buf1;
+ firstTime = FALSE;
+ }
+ }
+
+ /* Nope...any more paths? */
+
+ if (*colon == '\0') break;
+ path = colon+1;
+ }
+
+ /* No file found */
+
+ XtFree(buf1);
+ XtFree(buf2);
+ return NULL;
+}
+
+
+/* The implementation of this routine is operating system dependent */
+/* Should match the code in Xlib _XlcMapOSLocaleName */
+
+static char *ExtractLocaleName(
+ String lang)
+{
+
+#if defined(hpux) || defined(CSRG_BASED) || defined(sun) || defined(SVR4) || defined(sgi) || defined(__osf__) || defined(AIXV3) || defined(ultrix) || defined(WIN32) || defined(__UNIXOS2__) || defined (linux)
+# ifdef hpux
+/*
+ * We need to discriminated between HPUX 9 and HPUX 10. The equivalent
+ * code in Xlib in SetLocale.c does include locale.h via X11/Xlocale.h.
+ */
+# include <locale.h>
+# ifndef _LastCategory
+ /* HPUX 9 and earlier */
+# define SKIPCOUNT 2
+# define STARTCHAR ':'
+# define ENDCHAR ';'
+# else
+ /* HPUX 10 */
+# define ENDCHAR ' '
+# endif
+# else
+# ifdef ultrix
+# define SKIPCOUNT 2
+# define STARTCHAR '\001'
+# define ENDCHAR '\001'
+# else
+# if defined(WIN32) || defined(__UNIXOS2__)
+# define SKIPCOUNT 1
+# define STARTCHAR '='
+# define ENDCHAR ';'
+# define WHITEFILL
+# else
+# if defined(__osf__) || (defined(AIXV3) && !defined(AIXV4))
+# define STARTCHAR ' '
+# define ENDCHAR ' '
+# else
+# if defined(linux)
+# define STARTSTR "LC_CTYPE="
+# define ENDCHAR ';'
+# else
+# if !defined(sun) || defined(SVR4)
+# define STARTCHAR '/'
+# define ENDCHAR '/'
+# endif
+# endif
+# endif
+# endif
+# endif
+# endif
+
+ char *start;
+ char *end;
+ int len;
+# ifdef SKIPCOUNT
+ int n;
+# endif
+ static char* buf = NULL;
+
+ start = lang;
+# ifdef SKIPCOUNT
+ for (n = SKIPCOUNT;
+ --n >= 0 && start && (start = strchr (start, STARTCHAR));
+ start++)
+ ;
+ if (!start)
+ start = lang;
+# endif
+# ifdef STARTCHAR
+ if (start && (start = strchr (start, STARTCHAR)))
+# elif defined (STARTSTR)
+ if (start && (start = strstr (start,STARTSTR)))
+# endif
+ {
+# ifdef STARTCHAR
+ start++;
+# elif defined (STARTSTR)
+ start += strlen(STARTSTR);
+# endif
+
+ if ((end = strchr (start, ENDCHAR))) {
+ len = end - start;
+ if (buf != NULL) XtFree (buf);
+ buf = XtMalloc (len + 1);
+ if (buf == NULL) return NULL;
+ strncpy(buf, start, len);
+ *(buf + len) = '\0';
+# ifdef WHITEFILL
+ for (start = buf; start = strchr(start, ' '); )
+ *start++ = '-';
+# endif
+ return buf;
+ } else /* if no ENDCHAR is found we are at the end of the line */
+ return start;
+ }
+# ifdef WHITEFILL
+ if (strchr(lang, ' ')) {
+ if (buf != NULL) XtFree (buf);
+ else buf = XtMalloc (strlen (lang) + 1);
+ if (buf == NULL) return NULL;
+ strcpy(buf, lang);
+ for (start = buf; start = strchr(start, ' '); )
+ *start++ = '-';
+ return buf;
+ }
+# endif
+# undef STARTCHAR
+# undef ENDCHAR
+# undef WHITEFILL
+#endif
+
+ return lang;
+}
+
+static void FillInLangSubs(
+ Substitution subs,
+ XtPerDisplay pd)
+{
+ int len;
+ char *string, *p1, *p2, *p3;
+ char **rest;
+ char *ch;
+
+ if (pd->language == NULL ||
+ (pd->language != NULL && pd->language[0] == '\0')) {
+ subs[0].substitution = subs[1].substitution =
+ subs[2].substitution = subs[3].substitution = NULL;
+ return;
+ }
+
+ string = ExtractLocaleName(pd->language);
+
+ if (string == NULL ||
+ (string != NULL && string[0] == '\0')) {
+ subs[0].substitution = subs[1].substitution =
+ subs[2].substitution = subs[3].substitution = NULL;
+ return;
+ }
+
+ len = strlen(string) + 1;
+ subs[0].substitution = string;
+ p1 = subs[1].substitution = __XtMalloc((Cardinal) 3*len);
+ p2 = subs[2].substitution = subs[1].substitution + len;
+ p3 = subs[3].substitution = subs[2].substitution + len;
+
+ /* Everything up to the first "_" goes into p1. From "_" to "." in
+ p2. The rest in p3. If no delimiters, all goes into p1. We
+ assume p1, p2, and p3 are large enough. */
+
+ *p1 = *p2 = *p3 = '\0';
+
+ ch = strchr(string, '_');
+ if (ch != NULL) {
+ len = ch - string;
+ (void) strncpy(p1, string, len);
+ p1[len] = '\0';
+ string = ch + 1;
+ rest = &p2;
+ } else rest = &p1;
+
+ /* Rest points to where we put the first part */
+
+ ch = strchr(string, '.');
+ if (ch != NULL) {
+ len = ch - string;
+ strncpy(*rest, string, len);
+ (*rest)[len] = '\0';
+ (void) strcpy(p3, ch+1);
+ } else (void) strcpy(*rest, string);
+}
+
+/*
+ * default path used if environment variable XFILESEARCHPATH
+ * is not defined. Also substitued for %D.
+ * The exact value should be documented in the implementation
+ * notes for any Xt implementation.
+ */
+static char *implementation_default_path(void)
+{
+#if defined(WIN32)
+ static char xfilesearchpath[] = ":";
+
+ return xfilesearchpath;
+#elif defined(__UNIXOS2__)
+ /* if you know how to pass % thru the compiler let me know */
+ static char xfilesearchpath[] = XFILESEARCHPATHDEFAULT;
+ static Bool fixed;
+ char *ch;
+
+ if (!fixed) {
+ for (ch = xfilesearchpath; ch = strchr(ch, ';'); ch++)
+ *ch = '%';
+ fixed = True;
+ }
+ return xfilesearchpath;
+#else
+ return XFILESEARCHPATHDEFAULT;
+#endif
+}
+
+
+static SubstitutionRec defaultSubs[] = {
+ {'N', NULL},
+ {'T', NULL},
+ {'S', NULL},
+ {'C', NULL},
+ {'L', NULL},
+ {'l', NULL},
+ {'t', NULL},
+ {'c', NULL}
+};
+
+
+String XtResolvePathname(
+ Display *dpy,
+ _Xconst char* type,
+ _Xconst char* filename,
+ _Xconst char* suffix,
+ _Xconst char* path,
+ Substitution substitutions,
+ Cardinal num_substitutions,
+ XtFilePredicate predicate)
+{
+ XtPerDisplay pd;
+ static char *defaultPath = NULL;
+ char *impl_default = implementation_default_path();
+ int idef_len = strlen(impl_default);
+ char *massagedPath;
+ int bytesAllocd, bytesLeft;
+ char *ch, *result;
+ Substitution merged_substitutions;
+ XrmRepresentation db_type;
+ XrmValue value;
+ XrmName name_list[3];
+ XrmClass class_list[3];
+ Boolean pathMallocd = False;
+
+ LOCK_PROCESS;
+ pd = _XtGetPerDisplay(dpy);
+ if (path == NULL) {
+#ifndef VMS
+ if (defaultPath == NULL) {
+ defaultPath = getenv("XFILESEARCHPATH");
+ if (defaultPath == NULL)
+ defaultPath = impl_default;
+ }
+ path = defaultPath;
+#endif /* VMS */
+ }
+
+ if (path == NULL)
+ path = ""; /* NULL would kill us later */
+
+ if (filename == NULL) {
+ filename = XrmClassToString(pd->class);
+ }
+
+ bytesAllocd = bytesLeft = 1000;
+ massagedPath = ALLOCATE_LOCAL(bytesAllocd);
+ if (massagedPath == NULL) _XtAllocError(NULL);
+
+ if (path[0] == ':') {
+ strcpy(massagedPath, "%N%S");
+ ch = &massagedPath[4];
+ bytesLeft -= 4;
+ } else ch = massagedPath;
+
+ /* Insert %N%S between adjacent colons
+ * and default path for %D.
+ * Default path should not have any adjacent colons of its own.
+ */
+
+ while (*path != '\0') {
+ if (bytesLeft < idef_len) {
+ int bytesUsed = bytesAllocd - bytesLeft;
+ char *new;
+ bytesAllocd +=1000;
+ new = __XtMalloc((Cardinal) bytesAllocd);
+ strncpy( new, massagedPath, bytesUsed );
+ ch = new + bytesUsed;
+ if (pathMallocd)
+ XtFree(massagedPath);
+ else
+ DEALLOCATE_LOCAL(massagedPath);
+ pathMallocd = True;
+ massagedPath = new;
+ bytesLeft = bytesAllocd - bytesUsed;
+ }
+ if (*path == '%' && *(path+1) == ':') {
+ *ch++ = '%';
+ *ch++ = ':';
+ path += 2;
+ bytesLeft -= 2;
+ continue;
+ }
+ if (*path == ':' && *(path+1) == ':') {
+ strcpy(ch, ":%N%S:");
+ ch += 6;
+ bytesLeft -= 6;
+ while (*path == ':') path++;
+ continue;
+ }
+ if (*path == '%' && *(path+1) == 'D') {
+ strcpy(ch, impl_default);
+ ch += idef_len;
+ bytesLeft -= idef_len;
+ path += 2;
+ continue;
+ }
+ *ch++ = *path++;
+ bytesLeft--;
+ }
+ *ch = '\0';
+#ifdef XNL_DEBUG
+ printf("Massaged path: %s\n", massagedPath);
+#endif /* XNL_DEBUG */
+
+ if (num_substitutions == 0)
+ merged_substitutions = defaultSubs;
+ else {
+ int i = XtNumber(defaultSubs);
+ Substitution sub, def;
+ merged_substitutions = sub = (Substitution)
+ ALLOCATE_LOCAL((unsigned)(num_substitutions+i)*sizeof(SubstitutionRec));
+ if (sub == NULL) _XtAllocError(NULL);
+ for (def = defaultSubs; i--; sub++, def++) sub->match = def->match;
+ for (i = num_substitutions; i--; ) *sub++ = *substitutions++;
+ }
+ merged_substitutions[0].substitution = (String)filename;
+ merged_substitutions[1].substitution = (String)type;
+ merged_substitutions[2].substitution = (String)suffix;
+ name_list[0] = pd->name;
+ name_list[1] = XrmPermStringToQuark("customization");
+ name_list[2] = NULLQUARK;
+ class_list[0] = pd->class;
+ class_list[1] = XrmPermStringToQuark("Customization");
+ class_list[2] = NULLQUARK;
+ if (XrmQGetResource(XrmGetDatabase(dpy), name_list, class_list,
+ &db_type, &value) &&
+ db_type == _XtQString)
+ merged_substitutions[3].substitution = (char *)value.addr;
+ else
+ merged_substitutions[3].substitution = NULL;
+ FillInLangSubs(&merged_substitutions[4], pd);
+
+ result = XtFindFile(massagedPath, merged_substitutions,
+ num_substitutions + XtNumber(defaultSubs),
+ predicate);
+
+ if (merged_substitutions[5].substitution != NULL)
+ XtFree( (XtPointer)merged_substitutions[5].substitution );
+
+ if (merged_substitutions != defaultSubs)
+ DEALLOCATE_LOCAL(merged_substitutions);
+
+ if (pathMallocd)
+ XtFree(massagedPath);
+ else
+ DEALLOCATE_LOCAL(massagedPath);
+
+ UNLOCK_PROCESS;
+ return result;
+}
+
+
+Boolean XtCallAcceptFocus(
+ Widget widget,
+ Time *time)
+{
+ XtAcceptFocusProc ac;
+ Boolean retval;
+ WIDGET_TO_APPCON(widget);
+
+ LOCK_APP(app);
+ LOCK_PROCESS;
+ ac = XtClass(widget)->core_class.accept_focus;
+ UNLOCK_PROCESS;
+
+ if (ac != NULL)
+ retval = (*ac) (widget, time);
+ else
+ retval = FALSE;
+ UNLOCK_APP(app);
+ return retval;
+}
+
+#ifdef XT_GEO_TATTLER
+/**************************************************************************
+ GeoTattler: This is used to debug Geometry management in Xt.
+
+ It uses a pseudo resource XtNgeotattler.
+
+ E.G. if those lines are found in the resource database:
+
+ myapp*draw.XmScale.geoTattler: ON
+ *XmScrollBar.geoTattler:ON
+ *XmRowColumn.exit_button.geoTattler:ON
+
+ then:
+
+ all the XmScale children of the widget named draw,
+ all the XmScrollBars,
+ the widget named exit_button in any XmRowColumn
+
+ will return True to the function IsTattled(), and will generate
+ outlined trace to stdout.
+
+*************************************************************************/
+
+#define XtNgeoTattler "geoTattler"
+#define XtCGeoTattler "GeoTattler"
+
+typedef struct { Boolean geo_tattler ;} GeoDataRec ;
+
+static XtResource geo_resources[] = {
+ { XtNgeoTattler, XtCGeoTattler, XtRBoolean, sizeof(Boolean),
+ XtOffsetOf(GeoDataRec, geo_tattler),
+ XtRImmediate, (XtPointer) False }
+};
+
+/************************************************************************
+ This function uses XtGetSubresources to find out if a widget
+ needs to be geo-spied by the caller. */
+static Boolean IsTattled (Widget widget)
+{
+ GeoDataRec geo_data ;
+
+ XtGetSubresources(widget, (XtPointer)&geo_data,
+ (String)NULL, (String)NULL,
+ geo_resources, XtNumber(geo_resources),
+ NULL, 0);
+
+ return geo_data.geo_tattler;
+
+} /* IsTattled */
+
+static int n_tab = 0 ; /* not MT for now */
+
+void
+_XtGeoTab (int direction) /* +1 or -1 */
+{
+ n_tab += direction ;
+}
+
+
+void
+_XtGeoTrace (Widget widget, ...)
+{
+ va_list args;
+ char *fmt;
+ int i ;
+ if (IsTattled(widget)) {
+ va_start(args, widget);
+ fmt = va_arg(args, char *);
+ for (i=0; i<n_tab; i++) printf(" ");
+ (void) vprintf(fmt, args);
+ va_end(args);
+ }
+}
+
+#endif /* XT_GEO_TATTLER */
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 21:03:34 +0000