diff options
Diffstat (limited to 'libXt/src/Object.c')
| -rw-r--r-- | libXt/src/Object.c | 611 |
1 files changed, 304 insertions, 307 deletions
diff --git a/libXt/src/Object.c b/libXt/src/Object.c index 8bfbcb2f7..b81058b6c 100644 --- a/libXt/src/Object.c +++ b/libXt/src/Object.c @@ -1,307 +1,304 @@ -/* $Xorg: Object.c,v 1.4 2001/02/09 02:03:56 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. - -******************************************************************/ - -/* - -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. - -*/ -/* $XFree86: xc/lib/Xt/Object.c,v 1.5 2001/01/17 19:43:06 dawes Exp $ */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "IntrinsicI.h" -#include "StringDefs.h" - -static XtResource resources[] = { - {XtNdestroyCallback, XtCCallback, XtRCallback,sizeof(XtPointer), - XtOffsetOf(ObjectRec,object.destroy_callbacks), - XtRCallback, (XtPointer)NULL} - }; - -static void ObjectClassPartInitialize(WidgetClass); -static Boolean ObjectSetValues(Widget, Widget, Widget, ArgList, Cardinal *); -static void ObjectDestroy(Widget); - -externaldef(objectclassrec) ObjectClassRec objectClassRec = { - { - /* superclass */ NULL, - /* class_name */ "Object", - /* widget_size */ sizeof(ObjectRec), - /* class_initialize */ NULL, - /* class_part_initialize*/ ObjectClassPartInitialize, - /* class_inited */ FALSE, - /* initialize */ NULL, - /* initialize_hook */ NULL, - /* pad */ NULL, - /* pad */ NULL, - /* pad */ 0, - /* resources */ resources, - /* num_resources */ XtNumber(resources), - /* xrm_class */ NULLQUARK, - /* pad */ FALSE, - /* pad */ FALSE, - /* pad */ FALSE, - /* pad */ FALSE, - /* destroy */ ObjectDestroy, - /* pad */ NULL, - /* pad */ NULL, - /* set_values */ ObjectSetValues, - /* set_values_hook */ NULL, - /* pad */ NULL, - /* get_values_hook */ NULL, - /* pad */ NULL, - /* version */ XtVersion, - /* callback_offsets */ NULL, - /* pad */ NULL, - /* pad */ NULL, - /* pad */ NULL, - /* extension */ NULL -} -}; - -externaldef(objectClass) WidgetClass objectClass - = (WidgetClass)&objectClassRec; - -/* - * Start of object routines. - */ - - -static void ConstructCallbackOffsets( - WidgetClass widgetClass) -{ - static XrmQuark QCallback = NULLQUARK; - register int i; - register int tableSize; - register CallbackTable newTable; - register CallbackTable superTable; - register XrmResourceList resourceList; - ObjectClass objectClass = (ObjectClass)widgetClass; - - /* - This function builds an array of pointers to the resource - structures which describe the callbacks for this widget class. - This array is special in that the 0th entry is the number of - callback pointers. - */ - - if (QCallback == NULLQUARK) - QCallback = XrmPermStringToQuark(XtRCallback); - - if (objectClass->object_class.superclass != NULL) { - superTable = (CallbackTable) - ((ObjectClass) objectClass->object_class.superclass)-> - object_class.callback_private; - tableSize = (int)(long) superTable[0]; - } else { - superTable = (CallbackTable) NULL; - tableSize = 0; - } - - /* Count the number of callbacks */ - resourceList = (XrmResourceList) objectClass->object_class.resources; - for (i = objectClass->object_class.num_resources; --i >= 0; resourceList++) - if (resourceList->xrm_type == QCallback) - tableSize++; - - /* - * Allocate and load the table. Make sure that the new callback - * offsets occur in the table ahead of the superclass callback - * offsets so that resource overrides work. - */ - newTable = (CallbackTable) - __XtMalloc(sizeof(XrmResource *) * (tableSize + 1)); - - newTable[0] = (XrmResource *)(long) tableSize; - - if (superTable) - tableSize -= (int)(long) superTable[0]; - resourceList = (XrmResourceList) objectClass->object_class.resources; - for (i=1; tableSize > 0; resourceList++) - if (resourceList->xrm_type == QCallback) { - newTable[i++] = resourceList; - tableSize--; - } - - if (superTable) - for (tableSize = (int)(long) *superTable++; - --tableSize >= 0; superTable++) - newTable[i++] = *superTable; - - objectClass->object_class.callback_private = (XtPointer) newTable; -} - -static void InheritObjectExtensionMethods( - WidgetClass widget_class) -{ - ObjectClass oc = (ObjectClass) widget_class; - ObjectClassExtension ext, super_ext = NULL; - - ext = (ObjectClassExtension) - XtGetClassExtension(widget_class, - XtOffsetOf(ObjectClassRec, object_class.extension), - NULLQUARK, XtObjectExtensionVersion, - sizeof(ObjectClassExtensionRec)); - - if (oc->object_class.superclass) - super_ext = (ObjectClassExtension) - XtGetClassExtension(oc->object_class.superclass, - XtOffsetOf(ObjectClassRec, object_class.extension), - NULLQUARK, XtObjectExtensionVersion, - sizeof(ObjectClassExtensionRec)); - LOCK_PROCESS; - if (ext) { - if (ext->allocate == XtInheritAllocate) - ext->allocate = (super_ext ? super_ext->allocate : NULL); - if (ext->deallocate == XtInheritDeallocate) - ext->deallocate = (super_ext ? super_ext->deallocate : NULL); - } else if (super_ext) { - /* Be careful to inherit only what is appropriate */ - ext = (ObjectClassExtension) - __XtCalloc(1, sizeof(ObjectClassExtensionRec)); - ext->next_extension = oc->object_class.extension; - ext->record_type = NULLQUARK; - ext->version = XtObjectExtensionVersion; - ext->record_size = sizeof(ObjectClassExtensionRec); - ext->allocate = super_ext->allocate; - ext->deallocate = super_ext->deallocate; - oc->object_class.extension = (XtPointer) ext; - } - UNLOCK_PROCESS; -} - -static void ObjectClassPartInitialize( - register WidgetClass wc) -{ - ObjectClass oc = (ObjectClass)wc; - - oc->object_class.xrm_class = - XrmPermStringToQuark(oc->object_class.class_name); - - if (oc->object_class.resources) - _XtCompileResourceList(oc->object_class.resources, - oc->object_class.num_resources); - - ConstructCallbackOffsets(wc); - _XtResourceDependencies(wc); - InheritObjectExtensionMethods(wc); -} - - -/*ARGSUSED*/ -static Boolean ObjectSetValues( - Widget old, - Widget request, - Widget widget, - ArgList args, - Cardinal * num_args) -{ - register CallbackTable offsets; - register int i; - register InternalCallbackList *ol, *nl; - - LOCK_PROCESS; - /* Compile any callback lists into internal form */ - offsets = (CallbackTable) XtClass(widget)->core_class.callback_private; - - for (i= (int)(long) *(offsets++); --i >= 0; offsets++) { - ol = (InternalCallbackList *) - ((char *) old - (*offsets)->xrm_offset - 1); - nl = (InternalCallbackList *) - ((char *) widget - (*offsets)->xrm_offset - 1); - if (*ol != *nl) { - if (*ol != NULL) - XtFree((char *) *ol); - if (*nl != NULL) - *nl = _XtCompileCallbackList((XtCallbackList) *nl); - } - } - UNLOCK_PROCESS; - return False; -} - - -static void ObjectDestroy ( - register Widget widget) -{ - register CallbackTable offsets; - register int i; - register InternalCallbackList cl; - - /* Remove all callbacks associated with widget */ - LOCK_PROCESS; - offsets = (CallbackTable) - widget->core.widget_class->core_class.callback_private; - - for (i = (int)(long) *(offsets++); --i >= 0; offsets++) { - cl = *(InternalCallbackList *) - ((char *) widget - (*offsets)->xrm_offset - 1); - if (cl) XtFree((char *) cl); - } - UNLOCK_PROCESS; -} /* ObjectDestroy */ +/***********************************************************
+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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "IntrinsicI.h"
+#include "StringDefs.h"
+
+static XtResource resources[] = {
+ {XtNdestroyCallback, XtCCallback, XtRCallback,sizeof(XtPointer),
+ XtOffsetOf(ObjectRec,object.destroy_callbacks),
+ XtRCallback, (XtPointer)NULL}
+ };
+
+static void ObjectClassPartInitialize(WidgetClass);
+static Boolean ObjectSetValues(Widget, Widget, Widget, ArgList, Cardinal *);
+static void ObjectDestroy(Widget);
+
+externaldef(objectclassrec) ObjectClassRec objectClassRec = {
+ {
+ /* superclass */ NULL,
+ /* class_name */ "Object",
+ /* widget_size */ sizeof(ObjectRec),
+ /* class_initialize */ NULL,
+ /* class_part_initialize*/ ObjectClassPartInitialize,
+ /* class_inited */ FALSE,
+ /* initialize */ NULL,
+ /* initialize_hook */ NULL,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* pad */ 0,
+ /* resources */ resources,
+ /* num_resources */ XtNumber(resources),
+ /* xrm_class */ NULLQUARK,
+ /* pad */ FALSE,
+ /* pad */ FALSE,
+ /* pad */ FALSE,
+ /* pad */ FALSE,
+ /* destroy */ ObjectDestroy,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* set_values */ ObjectSetValues,
+ /* set_values_hook */ NULL,
+ /* pad */ NULL,
+ /* get_values_hook */ NULL,
+ /* pad */ NULL,
+ /* version */ XtVersion,
+ /* callback_offsets */ NULL,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* pad */ NULL,
+ /* extension */ NULL
+}
+};
+
+externaldef(objectClass) WidgetClass objectClass
+ = (WidgetClass)&objectClassRec;
+
+/*
+ * Start of object routines.
+ */
+
+
+static void ConstructCallbackOffsets(
+ WidgetClass widgetClass)
+{
+ static XrmQuark QCallback = NULLQUARK;
+ register int i;
+ register int tableSize;
+ register CallbackTable newTable;
+ register CallbackTable superTable;
+ register XrmResourceList resourceList;
+ ObjectClass objectClass = (ObjectClass)widgetClass;
+
+ /*
+ This function builds an array of pointers to the resource
+ structures which describe the callbacks for this widget class.
+ This array is special in that the 0th entry is the number of
+ callback pointers.
+ */
+
+ if (QCallback == NULLQUARK)
+ QCallback = XrmPermStringToQuark(XtRCallback);
+
+ if (objectClass->object_class.superclass != NULL) {
+ superTable = (CallbackTable)
+ ((ObjectClass) objectClass->object_class.superclass)->
+ object_class.callback_private;
+ tableSize = (int)(long) superTable[0];
+ } else {
+ superTable = (CallbackTable) NULL;
+ tableSize = 0;
+ }
+
+ /* Count the number of callbacks */
+ resourceList = (XrmResourceList) objectClass->object_class.resources;
+ for (i = objectClass->object_class.num_resources; --i >= 0; resourceList++)
+ if (resourceList->xrm_type == QCallback)
+ tableSize++;
+
+ /*
+ * Allocate and load the table. Make sure that the new callback
+ * offsets occur in the table ahead of the superclass callback
+ * offsets so that resource overrides work.
+ */
+ newTable = (CallbackTable)
+ __XtMalloc(sizeof(XrmResource *) * (tableSize + 1));
+
+ newTable[0] = (XrmResource *)(long) tableSize;
+
+ if (superTable)
+ tableSize -= (int)(long) superTable[0];
+ resourceList = (XrmResourceList) objectClass->object_class.resources;
+ for (i=1; tableSize > 0; resourceList++)
+ if (resourceList->xrm_type == QCallback) {
+ newTable[i++] = resourceList;
+ tableSize--;
+ }
+
+ if (superTable)
+ for (tableSize = (int)(long) *superTable++;
+ --tableSize >= 0; superTable++)
+ newTable[i++] = *superTable;
+
+ objectClass->object_class.callback_private = (XtPointer) newTable;
+}
+
+static void InheritObjectExtensionMethods(
+ WidgetClass widget_class)
+{
+ ObjectClass oc = (ObjectClass) widget_class;
+ ObjectClassExtension ext, super_ext = NULL;
+
+ ext = (ObjectClassExtension)
+ XtGetClassExtension(widget_class,
+ XtOffsetOf(ObjectClassRec, object_class.extension),
+ NULLQUARK, XtObjectExtensionVersion,
+ sizeof(ObjectClassExtensionRec));
+
+ if (oc->object_class.superclass)
+ super_ext = (ObjectClassExtension)
+ XtGetClassExtension(oc->object_class.superclass,
+ XtOffsetOf(ObjectClassRec, object_class.extension),
+ NULLQUARK, XtObjectExtensionVersion,
+ sizeof(ObjectClassExtensionRec));
+ LOCK_PROCESS;
+ if (ext) {
+ if (ext->allocate == XtInheritAllocate)
+ ext->allocate = (super_ext ? super_ext->allocate : NULL);
+ if (ext->deallocate == XtInheritDeallocate)
+ ext->deallocate = (super_ext ? super_ext->deallocate : NULL);
+ } else if (super_ext) {
+ /* Be careful to inherit only what is appropriate */
+ ext = (ObjectClassExtension)
+ __XtCalloc(1, sizeof(ObjectClassExtensionRec));
+ ext->next_extension = oc->object_class.extension;
+ ext->record_type = NULLQUARK;
+ ext->version = XtObjectExtensionVersion;
+ ext->record_size = sizeof(ObjectClassExtensionRec);
+ ext->allocate = super_ext->allocate;
+ ext->deallocate = super_ext->deallocate;
+ oc->object_class.extension = (XtPointer) ext;
+ }
+ UNLOCK_PROCESS;
+}
+
+static void ObjectClassPartInitialize(
+ register WidgetClass wc)
+{
+ ObjectClass oc = (ObjectClass)wc;
+
+ oc->object_class.xrm_class =
+ XrmPermStringToQuark(oc->object_class.class_name);
+
+ if (oc->object_class.resources)
+ _XtCompileResourceList(oc->object_class.resources,
+ oc->object_class.num_resources);
+
+ ConstructCallbackOffsets(wc);
+ _XtResourceDependencies(wc);
+ InheritObjectExtensionMethods(wc);
+}
+
+
+/*ARGSUSED*/
+static Boolean ObjectSetValues(
+ Widget old,
+ Widget request,
+ Widget widget,
+ ArgList args,
+ Cardinal * num_args)
+{
+ register CallbackTable offsets;
+ register int i;
+ register InternalCallbackList *ol, *nl;
+
+ LOCK_PROCESS;
+ /* Compile any callback lists into internal form */
+ offsets = (CallbackTable) XtClass(widget)->core_class.callback_private;
+
+ for (i= (int)(long) *(offsets++); --i >= 0; offsets++) {
+ ol = (InternalCallbackList *)
+ ((char *) old - (*offsets)->xrm_offset - 1);
+ nl = (InternalCallbackList *)
+ ((char *) widget - (*offsets)->xrm_offset - 1);
+ if (*ol != *nl) {
+ if (*ol != NULL)
+ XtFree((char *) *ol);
+ if (*nl != NULL)
+ *nl = _XtCompileCallbackList((XtCallbackList) *nl);
+ }
+ }
+ UNLOCK_PROCESS;
+ return False;
+}
+
+
+static void ObjectDestroy (
+ register Widget widget)
+{
+ register CallbackTable offsets;
+ register int i;
+ register InternalCallbackList cl;
+
+ /* Remove all callbacks associated with widget */
+ LOCK_PROCESS;
+ offsets = (CallbackTable)
+ widget->core.widget_class->core_class.callback_private;
+
+ for (i = (int)(long) *(offsets++); --i >= 0; offsets++) {
+ cl = *(InternalCallbackList *)
+ ((char *) widget - (*offsets)->xrm_offset - 1);
+ if (cl) XtFree((char *) cl);
+ }
+ UNLOCK_PROCESS;
+} /* ObjectDestroy */
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