diff options
Diffstat (limited to 'libXt/src/TMaction.c')
| -rw-r--r-- | libXt/src/TMaction.c | 2134 |
1 files changed, 1067 insertions, 1067 deletions
diff --git a/libXt/src/TMaction.c b/libXt/src/TMaction.c index e37ca7db1..bbf1e340a 100644 --- a/libXt/src/TMaction.c +++ b/libXt/src/TMaction.c @@ -1,1067 +1,1067 @@ -/*LINTLIBRARY*/
-
-/***********************************************************
-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, 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.
-
-*/
-
-/* TMaction.c -- maintains the state table of actions for the translation
- * manager.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "IntrinsicI.h"
-#include "StringDefs.h"
-
-#if defined(__STDC__) && !defined(NORCONST)
-#define RConst const
-#else
-#define RConst /**/
-#endif
-
-static String XtNtranslationError = "translationError";
-
-typedef struct _CompiledAction{
- XrmQuark signature;
- XtActionProc proc;
-}CompiledAction, *CompiledActionTable;
-
-
-#define GetClassActions(wc) \
- ((wc->core_class.actions) \
-? (((TMClassCache)wc->core_class.actions)->actions) \
-: NULL)
-
-static CompiledActionTable CompileActionTable(
- register RConst struct _XtActionsRec *actions,
- register Cardinal count, /* may be 0 */
- Boolean stat, /* if False, copy before compiling in place */
- Boolean perm) /* if False, use XrmStringToQuark */
-{
- register CompiledActionTable cActions;
- register int i;
- CompiledAction hold;
- CompiledActionTable cTableHold;
- XrmQuark (*func)(_Xconst char*);
-
- if (!count)
- return (CompiledActionTable) NULL;
- func = (perm ? XrmPermStringToQuark : XrmStringToQuark);
-
- if (! stat) {
- cTableHold = cActions = (CompiledActionTable)
- __XtMalloc(count * sizeof(CompiledAction));
-
- for (i=count; --i >= 0; cActions++, actions++) {
- cActions->proc = actions->proc;
- cActions->signature = (*func)(actions->string);
- }
- } else {
- cTableHold = (CompiledActionTable) actions;
-
- for (i=count; --i >= 0; actions++)
- ((CompiledActionTable) actions)->signature =
- (*func)(actions->string);
- }
- cActions = cTableHold;
-
- /* Insertion sort. Whatever sort is used, it must be stable. */
- for (i=1; (Cardinal) i <= count - 1; i++) {
- register Cardinal j;
- hold = cActions[i];
- j = i;
- while (j && cActions[j-1].signature > hold.signature) {
- cActions[j] = cActions[j-1];
- j--;
- }
- cActions[j] = hold;
- }
-
- return cActions;
-}
-
-
-typedef struct _ActionListRec *ActionList;
-typedef struct _ActionListRec {
- ActionList next;
- CompiledActionTable table;
- TMShortCard count;
-} ActionListRec;
-
-static void ReportUnboundActions(
- XtTranslations xlations,
- TMBindData bindData)
-{
- TMSimpleStateTree stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[0];
- Cardinal num_unbound = 0;
- Cardinal num_params = 1;
- char* message;
- char messagebuf[1000];
- String params[1];
- register Cardinal num_chars = 0;
- register Cardinal i, j;
- XtActionProc *procs;
-
- for (i=0; i < xlations->numStateTrees; i++) {
- if (bindData->simple.isComplex)
- procs = TMGetComplexBindEntry(bindData, i)->procs;
- else
- procs = TMGetSimpleBindEntry(bindData, i)->procs;
-
- stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[i];
- for (j=0; j < stateTree->numQuarks; j++) {
- if (procs[j] == NULL) {
- String s = XrmQuarkToString(stateTree->quarkTbl[j]);
- if (num_unbound != 0)
- num_chars += 2;
- num_chars += strlen(s);
- num_unbound++;
- }
- }
- }
- if (num_unbound == 0)
- return;
- message = XtStackAlloc (num_chars + 1, messagebuf);
- if (message != NULL) {
- *message = '\0';
- num_unbound = 0;
- stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[0];
- for (i=0; i < xlations->numStateTrees; i++) {
- if (bindData->simple.isComplex)
- procs = TMGetComplexBindEntry(bindData, i)->procs;
- else
- procs = TMGetSimpleBindEntry(bindData, i)->procs;
-
- stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[i];
- for (j=0; j < stateTree->numQuarks; j++) {
- if (procs[j] == NULL) {
- String s = XrmQuarkToString(stateTree->quarkTbl[j]);
- if (num_unbound != 0)
- (void) strcat(message, ", ");
- (void) strcat(message, s);
- num_unbound++;
- }
- }
- }
- message[num_chars] = '\0';
- params[0] = message;
- XtWarningMsg(XtNtranslationError,"unboundActions",XtCXtToolkitError,
- "Actions not found: %s",
- params, &num_params);
- XtStackFree (message, messagebuf);
- }
-}
-
-
-static CompiledAction *SearchActionTable(
- XrmQuark signature,
- CompiledActionTable actionTable,
- Cardinal numActions)
-{
- register int i, left, right;
-
- left = 0;
- right = numActions - 1;
- while (left <= right) {
- i = (left + right) >> 1;
- if (signature < actionTable[i].signature)
- right = i - 1;
- else if (signature > actionTable[i].signature)
- left = i + 1;
- else {
- while (i && actionTable[i - 1].signature == signature)
- i--;
- return &actionTable[i];
- }
- }
- return (CompiledAction *) NULL;
-}
-
-static int BindActions(
- TMSimpleStateTree stateTree,
- XtActionProc *procs,
- CompiledActionTable compiledActionTable,
- TMShortCard numActions,
- Cardinal *ndxP)
-{
- register int unbound = stateTree->numQuarks - *ndxP;
- CompiledAction* action;
- register Cardinal ndx;
- register Boolean savedNdx = False;
-
- for (ndx = *ndxP; ndx < stateTree->numQuarks; ndx++) {
- if (procs[ndx] == NULL) {
- /* attempt to bind it */
- XrmQuark q = stateTree->quarkTbl[ndx];
-
- action = SearchActionTable(q, compiledActionTable, numActions);
- if (action) {
- procs[ndx] = action->proc;
- unbound--;
- } else if (!savedNdx) {
- *ndxP= ndx;
- savedNdx = True;
- }
- } else {
- /* already bound, leave it alone */
- unbound--;
- }
- }
- return unbound;
-}
-
-typedef struct _TMBindCacheStatusRec{
- unsigned int boundInClass:1;
- unsigned int boundInHierarchy:1;
- unsigned int boundInContext:1;
- unsigned int notFullyBound:1;
- unsigned int refCount:28;
-}TMBindCacheStatusRec, *TMBindCacheStatus;
-
-typedef struct _TMBindCacheRec{
- struct _TMBindCacheRec *next;
- TMBindCacheStatusRec status;
- TMStateTree stateTree;
-#ifdef TRACE_TM
- WidgetClass widgetClass;
-#endif /* TRACE_TM */
- XtActionProc procs[1]; /* variable length */
-}TMBindCacheRec, *TMBindCache;
-
-typedef struct _TMClassCacheRec {
- CompiledActionTable actions;
- TMBindCacheRec *bindCache;
-}TMClassCacheRec, *TMClassCache;
-
-#define IsPureClassBind(bc) \
- (bc->status.boundInClass && \
- !(bc->status.boundInHierarchy || \
- bc->status.boundInContext || \
- bc->status.notFullyBound))
-
-#define GetClassCache(w) \
- ((TMClassCache)w->core.widget_class->core_class.actions)
-
-
-static int BindProcs(
- Widget widget,
- TMSimpleStateTree stateTree,
- XtActionProc *procs,
- TMBindCacheStatus bindStatus)
-{
- register WidgetClass class;
- register ActionList actionList;
- int unbound = -1, newUnbound = -1;
- Cardinal ndx = 0;
- Widget w = widget;
-
- LOCK_PROCESS;
- do {
- class = w->core.widget_class;
- do {
- if (class->core_class.actions != NULL)
- unbound =
- BindActions(stateTree,
- procs,
- GetClassActions(class),
- class->core_class.num_actions,
- &ndx);
- class = class->core_class.superclass;
- } while (unbound != 0 && class != NULL);
- if (unbound < (int)stateTree->numQuarks)
- bindStatus->boundInClass = True;
- else
- bindStatus->boundInClass = False;
- if (newUnbound == -1)
- newUnbound = unbound;
- w = XtParent(w);
- } while (unbound != 0 && w != NULL);
-
- if (newUnbound > unbound)
- bindStatus->boundInHierarchy = True;
- else
- bindStatus->boundInHierarchy = False;
-
- if (unbound) {
- XtAppContext app = XtWidgetToApplicationContext(widget);
- newUnbound = unbound;
- for (actionList = app->action_table;
- unbound != 0 && actionList != NULL;
- actionList = actionList->next) {
- unbound = BindActions(stateTree,
- procs,
- actionList->table,
- actionList->count,
- &ndx);
- }
- if (newUnbound > unbound)
- bindStatus->boundInContext = True;
- else
- bindStatus->boundInContext = False;
-
- } else {
- bindStatus->boundInContext = False;
- }
- UNLOCK_PROCESS;
- return unbound;
-}
-
-static XtActionProc *TryBindCache(
- Widget widget,
- TMStateTree stateTree)
-{
- TMClassCache classCache;
-
- LOCK_PROCESS;
- classCache = GetClassCache(widget);
-
- if (classCache == NULL)
- {
- WidgetClass wc = XtClass(widget);
-
- wc->core_class.actions = (XtActionList)
- _XtInitializeActionData(NULL, 0, True);
- }
- else
- {
- TMBindCache bindCache =
- (TMBindCache)(classCache->bindCache);
- for (; bindCache; bindCache = bindCache->next)
- {
- if (IsPureClassBind(bindCache) &&
- (stateTree == bindCache->stateTree))
- {
- bindCache->status.refCount++;
- UNLOCK_PROCESS;
- return &bindCache->procs[0];
- }
- }
- }
- UNLOCK_PROCESS;
- return NULL;
-}
-
-
-
-/*
- * The class record actions field will point to the bind cache header
- * after this call is made out of coreClassPartInit.
- */
-XtPointer _XtInitializeActionData(
- register struct _XtActionsRec *actions,
- register Cardinal count,
- _XtBoolean inPlace)
-{
- TMClassCache classCache;
-
- classCache = XtNew(TMClassCacheRec);
- classCache->actions = CompileActionTable(actions, count, inPlace, True);
- classCache->bindCache = NULL;
- return (XtPointer)classCache;
-}
-
-
-#define TM_BIND_CACHE_REALLOC 2
-
-static XtActionProc *EnterBindCache(
- Widget w,
- TMSimpleStateTree stateTree,
- XtActionProc *procs,
- TMBindCacheStatus bindStatus)
-{
- TMClassCache classCache;
- TMBindCache* bindCachePtr;
- TMShortCard procsSize;
- TMBindCache bindCache;
-
- LOCK_PROCESS;
- classCache = GetClassCache(w);
- bindCachePtr = &classCache->bindCache;
- procsSize = stateTree->numQuarks * sizeof(XtActionProc);
-
- for (bindCache = *bindCachePtr;
- (*bindCachePtr);
- bindCachePtr = &(*bindCachePtr)->next, bindCache = *bindCachePtr)
- {
- TMBindCacheStatus cacheStatus = &bindCache->status;
-
- if ((bindStatus->boundInClass == cacheStatus->boundInClass) &&
- (bindStatus->boundInHierarchy == cacheStatus->boundInHierarchy) &&
- (bindStatus->boundInContext == cacheStatus->boundInContext) &&
- (bindCache->stateTree == (TMStateTree)stateTree) &&
- !XtMemcmp(&bindCache->procs[0], procs, procsSize))
- {
- bindCache->status.refCount++;
- break;
- }
- }
- if (*bindCachePtr == NULL)
- {
- *bindCachePtr =
- bindCache = (TMBindCache)
- __XtMalloc(sizeof(TMBindCacheRec) +
- (procsSize - sizeof(XtActionProc)));
- bindCache->next = NULL;
- bindCache->status = *bindStatus;
- bindCache->status.refCount = 1;
- bindCache->stateTree = (TMStateTree)stateTree;
-#ifdef TRACE_TM
- bindCache->widgetClass = XtClass(w);
- if (_XtGlobalTM.numBindCache == _XtGlobalTM.bindCacheTblSize)
- {
- _XtGlobalTM.bindCacheTblSize += 16;
- _XtGlobalTM.bindCacheTbl = (TMBindCache *)
- XtRealloc((char *)_XtGlobalTM.bindCacheTbl,
- ((_XtGlobalTM.bindCacheTblSize) *
- sizeof(TMBindCache)));
- }
- _XtGlobalTM.bindCacheTbl[_XtGlobalTM.numBindCache++] = bindCache;
-#endif /* TRACE_TM */
- XtMemmove((XtPointer)&bindCache->procs[0],
- (XtPointer)procs, procsSize);
- }
- UNLOCK_PROCESS;
- return &bindCache->procs[0];
-}
-
-static void RemoveFromBindCache(
- Widget w,
- XtActionProc *procs)
-{
- TMClassCache classCache;
- TMBindCache* bindCachePtr;
- TMBindCache bindCache;
- XtAppContext app = XtWidgetToApplicationContext (w);
-
- LOCK_PROCESS;
- classCache = GetClassCache(w);
- bindCachePtr = (TMBindCache *)&classCache->bindCache;
-
- for (bindCache = *bindCachePtr;
- *bindCachePtr;
- bindCachePtr = &(*bindCachePtr)->next, bindCache = *bindCachePtr)
- {
- if (&bindCache->procs[0] == procs)
- {
- if (--bindCache->status.refCount == 0)
- {
-#ifdef TRACE_TM
- TMShortCard j;
- Boolean found = False;
- TMBindCache *tbl = _XtGlobalTM.bindCacheTbl;
-
- for (j = 0; j < _XtGlobalTM.numBindCache; j++) {
- if (found)
- tbl[j-1] = tbl[j];
- if (tbl[j] == bindCache)
- found = True;
- }
- if (!found)
- XtWarning("where's the action ??? ");
- else
- _XtGlobalTM.numBindCache--;
-#endif /* TRACE_TM */
- *bindCachePtr = bindCache->next;
- bindCache->next = app->free_bindings;
- app->free_bindings = bindCache;
- }
- break;
- }
- }
- UNLOCK_PROCESS;
-}
-
-/* ARGSUSED */
-static void RemoveAccelerators(
- Widget widget,
- XtPointer closure, XtPointer data)
-{
- Widget destination = (Widget)closure;
- TMComplexBindProcs bindProcs;
- XtTranslations stackXlations[16];
- XtTranslations *xlationsList, destXlations;
- TMShortCard i, numXlations = 0;
-
- if ((destXlations = destination->core.tm.translations) == NULL) {
- XtAppWarningMsg(XtWidgetToApplicationContext(widget),
- XtNtranslationError,"nullTable",XtCXtToolkitError,
- "Can't remove accelerators from NULL table",
- (String *)NULL, (Cardinal *)NULL);
- return;
- }
-
- xlationsList = (XtTranslations *)
- XtStackAlloc((destXlations->numStateTrees * sizeof(XtTranslations)),
- stackXlations);
-
- for (i = 0, bindProcs = TMGetComplexBindEntry(destination->core.tm.proc_table, i);
- i < destXlations->numStateTrees;
- i++, bindProcs++) {
- if (bindProcs->widget == widget) {
- /*
- * if it's being destroyed don't do all the work
- */
- if (destination->core.being_destroyed) {
- bindProcs->procs = NULL;
- }
- else
- xlationsList[numXlations] = bindProcs->aXlations;
- numXlations++;
- }
- }
-
- if (numXlations == 0)
- XtAppWarningMsg(XtWidgetToApplicationContext(widget),
- XtNtranslationError,"nullTable",XtCXtToolkitError,
- "Tried to remove nonexistent accelerators",
- (String *)NULL, (Cardinal *)NULL);
- else {
- if (!destination->core.being_destroyed)
- for (i = 0; i < numXlations; i++)
- _XtUnmergeTranslations(destination, xlationsList[i]);
- }
- XtStackFree((char *)xlationsList, stackXlations);
-}
-
-void _XtBindActions(
- Widget widget,
- XtTM tm)
-{
- XtTranslations xlations = tm->translations;
- TMSimpleStateTree stateTree;
- int globalUnbound = 0;
- Cardinal i;
- TMBindData bindData = (TMBindData)tm->proc_table;
- TMSimpleBindProcs simpleBindProcs = NULL;
- TMComplexBindProcs complexBindProcs = NULL;
- XtActionProc *newProcs;
- Widget bindWidget;
-
- if ((xlations == NULL) || widget->core.being_destroyed)
- return;
-
- stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[0];
-
- for (i = 0; i < xlations->numStateTrees; i++)
- {
- stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[i];
- if (bindData->simple.isComplex) {
- complexBindProcs = TMGetComplexBindEntry(bindData, i);
- if (complexBindProcs->widget) {
- bindWidget = complexBindProcs->widget;
-
- if (bindWidget->core.destroy_callbacks != NULL)
- _XtAddCallbackOnce((InternalCallbackList *)
- &bindWidget->core.destroy_callbacks,
- RemoveAccelerators,
- (XtPointer)widget);
- else
- _XtAddCallback((InternalCallbackList *)
- &bindWidget->core.destroy_callbacks,
- RemoveAccelerators,
- (XtPointer)widget);
- }
- else
- bindWidget = widget;
- }
- else {
- simpleBindProcs = TMGetSimpleBindEntry(bindData, i);
- bindWidget = widget;
- }
- if ((newProcs =
- TryBindCache(bindWidget,(TMStateTree)stateTree)) == NULL)
- {
- XtActionProc *procs, stackProcs[256];
- int localUnbound;
- TMBindCacheStatusRec bcStatusRec;
-
- procs = (XtActionProc *)
- XtStackAlloc(stateTree->numQuarks * sizeof(XtActionProc),
- stackProcs);
- XtBZero((XtPointer)procs,
- stateTree->numQuarks * sizeof(XtActionProc));
-
- localUnbound = BindProcs(bindWidget,
- stateTree,
- procs,
- &bcStatusRec);
-
- if (localUnbound)
- bcStatusRec.notFullyBound = True;
- else
- bcStatusRec.notFullyBound = False;
-
- newProcs =
- EnterBindCache(bindWidget,
- stateTree,
- procs,
- &bcStatusRec);
- XtStackFree((XtPointer)procs, (XtPointer)stackProcs);
- globalUnbound += localUnbound;
- }
- if (bindData->simple.isComplex)
- complexBindProcs->procs = newProcs;
- else
- simpleBindProcs->procs = newProcs;
- }
- if (globalUnbound)
- ReportUnboundActions(xlations,
- (TMBindData)tm->proc_table);
-}
-
-
-void _XtUnbindActions(
- Widget widget,
- XtTranslations xlations,
- TMBindData bindData)
-{
- Cardinal i;
- Widget bindWidget;
- XtActionProc *procs;
-
- if ((xlations == NULL) || !XtIsRealized(widget)) return;
-
- for (i = 0; i < xlations->numStateTrees; i++) {
- if (bindData->simple.isComplex) {
- TMComplexBindProcs complexBindProcs;
-
- complexBindProcs = TMGetComplexBindEntry(bindData, i);
-
- if (complexBindProcs->widget) {
- /*
- * check for this being an accelerator binding whose
- * source is gone ( set by RemoveAccelerators)
- */
- if (complexBindProcs->procs == NULL)
- continue;
-
- XtRemoveCallback(complexBindProcs->widget,
- XtNdestroyCallback,
- RemoveAccelerators,
- (XtPointer)widget);
- bindWidget = complexBindProcs->widget;
- }
- else
- bindWidget = widget;
- procs = complexBindProcs->procs;
- complexBindProcs->procs = NULL;
- }
- else {
- TMSimpleBindProcs simpleBindProcs;
- simpleBindProcs = TMGetSimpleBindEntry(bindData,i);
- procs = simpleBindProcs->procs;
- simpleBindProcs->procs = NULL;
- bindWidget = widget;
- }
- RemoveFromBindCache(bindWidget, procs);
- }
-}
-
-#ifdef notdef
-void _XtRemoveBindProcsByIndex(
- Widget w,
- TMBindData bindData,
- TMShortCard ndx)
-{
- TMShortCard i = ndx;
- TMBindProcs bindProcs = (TMBindProcs)&bindData->bindTbl[0];
-
- RemoveFromBindCache(bindProcs->widget ? bindProcs->widget : w,
- bindProcs[i].procs);
-
- for (; i < bindData->bindTblSize; i++)
- bindProcs[i] = bindProcs[i+1];
-}
-#endif /* notdef */
-
-/*
- * used to free all copied action tables, called from DestroyAppContext
- */
-void _XtFreeActions(
- ActionList actions)
-{
- ActionList curr, next;
-
- for (curr = actions; curr;) {
- next = curr->next;
- XtFree((char *)curr->table);
- XtFree((char *)curr);
- curr = next;
- }
-}
-
-void XtAddActions(
- XtActionList actions,
- Cardinal num_actions)
-{
- XtAppAddActions(_XtDefaultAppContext(), actions, num_actions);
-}
-
-void XtAppAddActions(
- XtAppContext app,
- XtActionList actions,
- Cardinal num_actions)
-{
- register ActionList rec;
-
- LOCK_APP(app);
- rec = XtNew(ActionListRec);
- rec->next = app->action_table;
- app->action_table = rec;
- rec->table = CompileActionTable(actions, num_actions, False, False);
- rec->count = num_actions;
- UNLOCK_APP(app);
-}
-
-void XtGetActionList(
- WidgetClass widget_class,
- XtActionList* actions_return,
- Cardinal* num_actions_return)
-{
- XtActionList list;
- CompiledActionTable table;
- int i;
-
- *actions_return = NULL;
- *num_actions_return = 0;
-
- LOCK_PROCESS;
- if (! widget_class->core_class.class_inited) {
- UNLOCK_PROCESS;
- return;
- }
- if (! (widget_class->core_class.class_inited & WidgetClassFlag)) {
- UNLOCK_PROCESS;
- return;
- }
- *num_actions_return = widget_class->core_class.num_actions;
- if (*num_actions_return) {
- list = *actions_return = (XtActionList)
- __XtMalloc(*num_actions_return * sizeof(XtActionsRec));
- table = GetClassActions(widget_class);
- if (table != NULL) {
- for (i= (*num_actions_return); --i >= 0; list++, table++) {
- list->string = XrmQuarkToString(table->signature);
- list->proc = table->proc;
- }
- }
- }
- UNLOCK_PROCESS;
-}
-
-/***********************************************************************
- *
- * Pop-up and Grab stuff
- *
- ***********************************************************************/
-
-static Widget _XtFindPopup(
- Widget widget,
- String name)
-{
- register Cardinal i;
- register XrmQuark q;
- register Widget w;
-
- q = XrmStringToQuark(name);
-
- for (w=widget; w != NULL; w=w->core.parent)
- for (i=0; i<w->core.num_popups; i++)
- if (w->core.popup_list[i]->core.xrm_name == q)
- return w->core.popup_list[i];
-
- return NULL;
-}
-
-void XtMenuPopupAction(
- Widget widget,
- XEvent *event,
- String *params,
- Cardinal *num_params)
-{
- Boolean spring_loaded;
- register Widget popup_shell;
- XtAppContext app = XtWidgetToApplicationContext(widget);
-
- LOCK_APP(app);
- if (*num_params != 1) {
- XtAppWarningMsg(app,
- "invalidParameters","xtMenuPopupAction",XtCXtToolkitError,
- "MenuPopup wants exactly one argument",
- (String *)NULL, (Cardinal *)NULL);
- UNLOCK_APP(app);
- return;
- }
-
- if (event->type == ButtonPress)
- spring_loaded = True;
- else if (event->type == KeyPress || event->type == EnterNotify)
- spring_loaded = False;
- else {
- XtAppWarningMsg(app,
- "invalidPopup","unsupportedOperation",XtCXtToolkitError,
-"Pop-up menu creation is only supported on ButtonPress, KeyPress or EnterNotify events.",
- (String *)NULL, (Cardinal *)NULL);
- UNLOCK_APP(app);
- return;
- }
-
- popup_shell = _XtFindPopup(widget, params[0]);
- if (popup_shell == NULL) {
- XtAppWarningMsg(app,
- "invalidPopup","xtMenuPopup",XtCXtToolkitError,
- "Can't find popup widget \"%s\" in XtMenuPopup",
- params, num_params);
- UNLOCK_APP(app);
- return;
- }
-
- if (spring_loaded) _XtPopup(popup_shell, XtGrabExclusive, TRUE);
- else _XtPopup(popup_shell, XtGrabNonexclusive, FALSE);
- UNLOCK_APP(app);
-}
-
-
-/*ARGSUSED*/
-static void _XtMenuPopdownAction(
- Widget widget,
- XEvent *event,
- String *params,
- Cardinal *num_params)
-{
- Widget popup_shell;
-
- if (*num_params == 0) {
- XtPopdown(widget);
- } else if (*num_params == 1) {
- popup_shell = _XtFindPopup(widget, params[0]);
- if (popup_shell == NULL) {
- XtAppWarningMsg(XtWidgetToApplicationContext(widget),
- "invalidPopup","xtMenuPopdown",XtCXtToolkitError,
- "Can't find popup widget \"%s\" in XtMenuPopdown",
- params, num_params);
- return;
- }
- XtPopdown(popup_shell);
- } else {
- XtAppWarningMsg(XtWidgetToApplicationContext(widget),
- "invalidParameters","xtMenuPopdown",XtCXtToolkitError,
- "XtMenuPopdown called with num_params != 0 or 1",
- (String *)NULL, (Cardinal *)NULL);
- }
-}
-
-static XtActionsRec RConst tmActions[] = {
- {"XtMenuPopup", XtMenuPopupAction},
- {"XtMenuPopdown", _XtMenuPopdownAction},
- {"MenuPopup", XtMenuPopupAction}, /* old & obsolete */
- {"MenuPopdown", _XtMenuPopdownAction}, /* ditto */
-#ifndef NO_MIT_HACKS
- {"XtDisplayTranslations", _XtDisplayTranslations},
- {"XtDisplayAccelerators", _XtDisplayAccelerators},
- {"XtDisplayInstalledAccelerators", _XtDisplayInstalledAccelerators},
-#endif
-};
-
-
-void _XtPopupInitialize(
- XtAppContext app)
-{
- register ActionList rec;
-
- /*
- * The _XtGlobalTM.newMatchSemantics flag determines whether
- * we support old or new matching
- * behavior. This is mainly an issue of whether subsequent lhs will
- * get pushed up in the match table if a lhs containing thier initial
- * sequence has already been encountered. Currently inited to False;
- */
-#ifdef NEW_TM
- _XtGlobalTM.newMatchSemantics = True;
-#else
- _XtGlobalTM.newMatchSemantics = False;
-#endif
-
- rec = XtNew(ActionListRec);
- rec->next = app->action_table;
- app->action_table = rec;
- LOCK_PROCESS;
- rec->table = CompileActionTable(tmActions, XtNumber(tmActions), False,
- True);
- rec->count = XtNumber(tmActions);
- UNLOCK_PROCESS;
- _XtGrabInitialize(app);
-}
-
-
-void XtCallActionProc(
- Widget widget,
- _Xconst char* action,
- XEvent *event,
- String *params,
- Cardinal num_params)
-{
- CompiledAction* actionP;
- XrmQuark q = XrmStringToQuark(action);
- Widget w = widget;
- XtAppContext app = XtWidgetToApplicationContext(widget);
- ActionList actionList;
- Cardinal i;
-
- LOCK_APP(app);
- XtCheckSubclass(widget, coreWidgetClass,
- "XtCallActionProc first argument is not a subclass of Core");
- LOCK_PROCESS;
- do {
- WidgetClass class = XtClass(w);
- do {
- if ((actionP = GetClassActions(class)) != NULL)
- for (i = 0;
- i < class->core_class.num_actions;
- i++, actionP++) {
-
- if (actionP->signature == q) {
- ActionHook hook = app->action_hook_list;
- while (hook != NULL) {
- (*hook->proc)( widget,
- hook->closure,
- (String)action,
- event,
- params,
- &num_params
- );
- hook= hook->next;
- }
- (*(actionP->proc))
- (widget, event, params, &num_params);
- UNLOCK_PROCESS;
- UNLOCK_APP(app);
- return;
- }
- }
- class = class->core_class.superclass;
- } while (class != NULL);
- w = XtParent(w);
- } while (w != NULL);
- UNLOCK_PROCESS;
-
- for (actionList = app->action_table;
- actionList != NULL;
- actionList = actionList->next) {
-
- for (i = 0, actionP = actionList->table;
- i < actionList->count;
- i++, actionP++) {
- if (actionP->signature == q) {
- ActionHook hook = app->action_hook_list;
- while (hook != NULL) {
- (*hook->proc)( widget,
- hook->closure,
- (String)action,
- event,
- params,
- &num_params
- );
- hook= hook->next;
- }
- (*(actionP->proc))
- (widget, event, params, &num_params);
- UNLOCK_APP(app);
- return;
- }
- }
-
- }
-
- {
- String params[2];
- Cardinal num_params = 2;
- params[0] = (String)action;
- params[1] = XtName(widget);
- XtAppWarningMsg(app,
- "noActionProc", "xtCallActionProc", XtCXtToolkitError,
- "No action proc named \"%s\" is registered for widget \"%s\"",
- params, &num_params
- );
- }
- UNLOCK_APP(app);
-}
-
-void _XtDoFreeBindings(
- XtAppContext app)
-{
- TMBindCache bcp;
-
- while (app->free_bindings) {
- bcp = app->free_bindings->next;
- XtFree ((char *) app->free_bindings);
- app->free_bindings = bcp;
- }
-}
+/*LINTLIBRARY*/ + +/*********************************************************** +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, 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. + +*/ + +/* TMaction.c -- maintains the state table of actions for the translation + * manager. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "IntrinsicI.h" +#include "StringDefs.h" + +#if defined(__STDC__) && !defined(NORCONST) +#define RConst const +#else +#define RConst /**/ +#endif + +static String XtNtranslationError = "translationError"; + +typedef struct _CompiledAction{ + XrmQuark signature; + XtActionProc proc; +}CompiledAction, *CompiledActionTable; + + +#define GetClassActions(wc) \ + ((wc->core_class.actions) \ +? (((TMClassCache)wc->core_class.actions)->actions) \ +: NULL) + +static CompiledActionTable CompileActionTable( + register RConst struct _XtActionsRec *actions, + register Cardinal count, /* may be 0 */ + Boolean stat, /* if False, copy before compiling in place */ + Boolean perm) /* if False, use XrmStringToQuark */ +{ + register CompiledActionTable cActions; + register int i; + CompiledAction hold; + CompiledActionTable cTableHold; + XrmQuark (*func)(_Xconst char*); + + if (!count) + return (CompiledActionTable) NULL; + func = (perm ? XrmPermStringToQuark : XrmStringToQuark); + + if (! stat) { + cTableHold = cActions = (CompiledActionTable) + __XtMalloc(count * sizeof(CompiledAction)); + + for (i=count; --i >= 0; cActions++, actions++) { + cActions->proc = actions->proc; + cActions->signature = (*func)(actions->string); + } + } else { + cTableHold = (CompiledActionTable) actions; + + for (i=count; --i >= 0; actions++) + ((CompiledActionTable) actions)->signature = + (*func)(actions->string); + } + cActions = cTableHold; + + /* Insertion sort. Whatever sort is used, it must be stable. */ + for (i=1; (Cardinal) i <= count - 1; i++) { + register Cardinal j; + hold = cActions[i]; + j = i; + while (j && cActions[j-1].signature > hold.signature) { + cActions[j] = cActions[j-1]; + j--; + } + cActions[j] = hold; + } + + return cActions; +} + + +typedef struct _ActionListRec *ActionList; +typedef struct _ActionListRec { + ActionList next; + CompiledActionTable table; + TMShortCard count; +} ActionListRec; + +static void ReportUnboundActions( + XtTranslations xlations, + TMBindData bindData) +{ + TMSimpleStateTree stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[0]; + Cardinal num_unbound = 0; + Cardinal num_params = 1; + char* message; + char messagebuf[1000]; + String params[1]; + register Cardinal num_chars = 0; + register Cardinal i, j; + XtActionProc *procs; + + for (i=0; i < xlations->numStateTrees; i++) { + if (bindData->simple.isComplex) + procs = TMGetComplexBindEntry(bindData, i)->procs; + else + procs = TMGetSimpleBindEntry(bindData, i)->procs; + + stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[i]; + for (j=0; j < stateTree->numQuarks; j++) { + if (procs[j] == NULL) { + String s = XrmQuarkToString(stateTree->quarkTbl[j]); + if (num_unbound != 0) + num_chars += 2; + num_chars += strlen(s); + num_unbound++; + } + } + } + if (num_unbound == 0) + return; + message = XtStackAlloc (num_chars + 1, messagebuf); + if (message != NULL) { + *message = '\0'; + num_unbound = 0; + stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[0]; + for (i=0; i < xlations->numStateTrees; i++) { + if (bindData->simple.isComplex) + procs = TMGetComplexBindEntry(bindData, i)->procs; + else + procs = TMGetSimpleBindEntry(bindData, i)->procs; + + stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[i]; + for (j=0; j < stateTree->numQuarks; j++) { + if (procs[j] == NULL) { + String s = XrmQuarkToString(stateTree->quarkTbl[j]); + if (num_unbound != 0) + (void) strcat(message, ", "); + (void) strcat(message, s); + num_unbound++; + } + } + } + message[num_chars] = '\0'; + params[0] = message; + XtWarningMsg(XtNtranslationError,"unboundActions",XtCXtToolkitError, + "Actions not found: %s", + params, &num_params); + XtStackFree (message, messagebuf); + } +} + + +static CompiledAction *SearchActionTable( + XrmQuark signature, + CompiledActionTable actionTable, + Cardinal numActions) +{ + register int i, left, right; + + left = 0; + right = numActions - 1; + while (left <= right) { + i = (left + right) >> 1; + if (signature < actionTable[i].signature) + right = i - 1; + else if (signature > actionTable[i].signature) + left = i + 1; + else { + while (i && actionTable[i - 1].signature == signature) + i--; + return &actionTable[i]; + } + } + return (CompiledAction *) NULL; +} + +static int BindActions( + TMSimpleStateTree stateTree, + XtActionProc *procs, + CompiledActionTable compiledActionTable, + TMShortCard numActions, + Cardinal *ndxP) +{ + register int unbound = stateTree->numQuarks - *ndxP; + CompiledAction* action; + register Cardinal ndx; + register Boolean savedNdx = False; + + for (ndx = *ndxP; ndx < stateTree->numQuarks; ndx++) { + if (procs[ndx] == NULL) { + /* attempt to bind it */ + XrmQuark q = stateTree->quarkTbl[ndx]; + + action = SearchActionTable(q, compiledActionTable, numActions); + if (action) { + procs[ndx] = action->proc; + unbound--; + } else if (!savedNdx) { + *ndxP= ndx; + savedNdx = True; + } + } else { + /* already bound, leave it alone */ + unbound--; + } + } + return unbound; +} + +typedef struct _TMBindCacheStatusRec{ + unsigned int boundInClass:1; + unsigned int boundInHierarchy:1; + unsigned int boundInContext:1; + unsigned int notFullyBound:1; + unsigned int refCount:28; +}TMBindCacheStatusRec, *TMBindCacheStatus; + +typedef struct _TMBindCacheRec{ + struct _TMBindCacheRec *next; + TMBindCacheStatusRec status; + TMStateTree stateTree; +#ifdef TRACE_TM + WidgetClass widgetClass; +#endif /* TRACE_TM */ + XtActionProc procs[1]; /* variable length */ +}TMBindCacheRec, *TMBindCache; + +typedef struct _TMClassCacheRec { + CompiledActionTable actions; + TMBindCacheRec *bindCache; +}TMClassCacheRec, *TMClassCache; + +#define IsPureClassBind(bc) \ + (bc->status.boundInClass && \ + !(bc->status.boundInHierarchy || \ + bc->status.boundInContext || \ + bc->status.notFullyBound)) + +#define GetClassCache(w) \ + ((TMClassCache)w->core.widget_class->core_class.actions) + + +static int BindProcs( + Widget widget, + TMSimpleStateTree stateTree, + XtActionProc *procs, + TMBindCacheStatus bindStatus) +{ + register WidgetClass class; + register ActionList actionList; + int unbound = -1, newUnbound = -1; + Cardinal ndx = 0; + Widget w = widget; + + LOCK_PROCESS; + do { + class = w->core.widget_class; + do { + if (class->core_class.actions != NULL) + unbound = + BindActions(stateTree, + procs, + GetClassActions(class), + class->core_class.num_actions, + &ndx); + class = class->core_class.superclass; + } while (unbound != 0 && class != NULL); + if (unbound < (int)stateTree->numQuarks) + bindStatus->boundInClass = True; + else + bindStatus->boundInClass = False; + if (newUnbound == -1) + newUnbound = unbound; + w = XtParent(w); + } while (unbound != 0 && w != NULL); + + if (newUnbound > unbound) + bindStatus->boundInHierarchy = True; + else + bindStatus->boundInHierarchy = False; + + if (unbound) { + XtAppContext app = XtWidgetToApplicationContext(widget); + newUnbound = unbound; + for (actionList = app->action_table; + unbound != 0 && actionList != NULL; + actionList = actionList->next) { + unbound = BindActions(stateTree, + procs, + actionList->table, + actionList->count, + &ndx); + } + if (newUnbound > unbound) + bindStatus->boundInContext = True; + else + bindStatus->boundInContext = False; + + } else { + bindStatus->boundInContext = False; + } + UNLOCK_PROCESS; + return unbound; +} + +static XtActionProc *TryBindCache( + Widget widget, + TMStateTree stateTree) +{ + TMClassCache classCache; + + LOCK_PROCESS; + classCache = GetClassCache(widget); + + if (classCache == NULL) + { + WidgetClass wc = XtClass(widget); + + wc->core_class.actions = (XtActionList) + _XtInitializeActionData(NULL, 0, True); + } + else + { + TMBindCache bindCache = + (TMBindCache)(classCache->bindCache); + for (; bindCache; bindCache = bindCache->next) + { + if (IsPureClassBind(bindCache) && + (stateTree == bindCache->stateTree)) + { + bindCache->status.refCount++; + UNLOCK_PROCESS; + return &bindCache->procs[0]; + } + } + } + UNLOCK_PROCESS; + return NULL; +} + + + +/* + * The class record actions field will point to the bind cache header + * after this call is made out of coreClassPartInit. + */ +XtPointer _XtInitializeActionData( + register struct _XtActionsRec *actions, + register Cardinal count, + _XtBoolean inPlace) +{ + TMClassCache classCache; + + classCache = XtNew(TMClassCacheRec); + classCache->actions = CompileActionTable(actions, count, inPlace, True); + classCache->bindCache = NULL; + return (XtPointer)classCache; +} + + +#define TM_BIND_CACHE_REALLOC 2 + +static XtActionProc *EnterBindCache( + Widget w, + TMSimpleStateTree stateTree, + XtActionProc *procs, + TMBindCacheStatus bindStatus) +{ + TMClassCache classCache; + TMBindCache* bindCachePtr; + TMShortCard procsSize; + TMBindCache bindCache; + + LOCK_PROCESS; + classCache = GetClassCache(w); + bindCachePtr = &classCache->bindCache; + procsSize = stateTree->numQuarks * sizeof(XtActionProc); + + for (bindCache = *bindCachePtr; + (*bindCachePtr); + bindCachePtr = &(*bindCachePtr)->next, bindCache = *bindCachePtr) + { + TMBindCacheStatus cacheStatus = &bindCache->status; + + if ((bindStatus->boundInClass == cacheStatus->boundInClass) && + (bindStatus->boundInHierarchy == cacheStatus->boundInHierarchy) && + (bindStatus->boundInContext == cacheStatus->boundInContext) && + (bindCache->stateTree == (TMStateTree)stateTree) && + !XtMemcmp(&bindCache->procs[0], procs, procsSize)) + { + bindCache->status.refCount++; + break; + } + } + if (*bindCachePtr == NULL) + { + *bindCachePtr = + bindCache = (TMBindCache) + __XtMalloc(sizeof(TMBindCacheRec) + + (procsSize - sizeof(XtActionProc))); + bindCache->next = NULL; + bindCache->status = *bindStatus; + bindCache->status.refCount = 1; + bindCache->stateTree = (TMStateTree)stateTree; +#ifdef TRACE_TM + bindCache->widgetClass = XtClass(w); + if (_XtGlobalTM.numBindCache == _XtGlobalTM.bindCacheTblSize) + { + _XtGlobalTM.bindCacheTblSize += 16; + _XtGlobalTM.bindCacheTbl = (TMBindCache *) + XtRealloc((char *)_XtGlobalTM.bindCacheTbl, + ((_XtGlobalTM.bindCacheTblSize) * + sizeof(TMBindCache))); + } + _XtGlobalTM.bindCacheTbl[_XtGlobalTM.numBindCache++] = bindCache; +#endif /* TRACE_TM */ + XtMemmove((XtPointer)&bindCache->procs[0], + (XtPointer)procs, procsSize); + } + UNLOCK_PROCESS; + return &bindCache->procs[0]; +} + +static void RemoveFromBindCache( + Widget w, + XtActionProc *procs) +{ + TMClassCache classCache; + TMBindCache* bindCachePtr; + TMBindCache bindCache; + XtAppContext app = XtWidgetToApplicationContext (w); + + LOCK_PROCESS; + classCache = GetClassCache(w); + bindCachePtr = (TMBindCache *)&classCache->bindCache; + + for (bindCache = *bindCachePtr; + *bindCachePtr; + bindCachePtr = &(*bindCachePtr)->next, bindCache = *bindCachePtr) + { + if (&bindCache->procs[0] == procs) + { + if (--bindCache->status.refCount == 0) + { +#ifdef TRACE_TM + TMShortCard j; + Boolean found = False; + TMBindCache *tbl = _XtGlobalTM.bindCacheTbl; + + for (j = 0; j < _XtGlobalTM.numBindCache; j++) { + if (found) + tbl[j-1] = tbl[j]; + if (tbl[j] == bindCache) + found = True; + } + if (!found) + XtWarning("where's the action ??? "); + else + _XtGlobalTM.numBindCache--; +#endif /* TRACE_TM */ + *bindCachePtr = bindCache->next; + bindCache->next = app->free_bindings; + app->free_bindings = bindCache; + } + break; + } + } + UNLOCK_PROCESS; +} + +/* ARGSUSED */ +static void RemoveAccelerators( + Widget widget, + XtPointer closure, XtPointer data) +{ + Widget destination = (Widget)closure; + TMComplexBindProcs bindProcs; + XtTranslations stackXlations[16]; + XtTranslations *xlationsList, destXlations; + TMShortCard i, numXlations = 0; + + if ((destXlations = destination->core.tm.translations) == NULL) { + XtAppWarningMsg(XtWidgetToApplicationContext(widget), + XtNtranslationError,"nullTable",XtCXtToolkitError, + "Can't remove accelerators from NULL table", + (String *)NULL, (Cardinal *)NULL); + return; + } + + xlationsList = (XtTranslations *) + XtStackAlloc((destXlations->numStateTrees * sizeof(XtTranslations)), + stackXlations); + + for (i = 0, bindProcs = TMGetComplexBindEntry(destination->core.tm.proc_table, i); + i < destXlations->numStateTrees; + i++, bindProcs++) { + if (bindProcs->widget == widget) { + /* + * if it's being destroyed don't do all the work + */ + if (destination->core.being_destroyed) { + bindProcs->procs = NULL; + } + else + xlationsList[numXlations] = bindProcs->aXlations; + numXlations++; + } + } + + if (numXlations == 0) + XtAppWarningMsg(XtWidgetToApplicationContext(widget), + XtNtranslationError,"nullTable",XtCXtToolkitError, + "Tried to remove nonexistent accelerators", + (String *)NULL, (Cardinal *)NULL); + else { + if (!destination->core.being_destroyed) + for (i = 0; i < numXlations; i++) + _XtUnmergeTranslations(destination, xlationsList[i]); + } + XtStackFree((char *)xlationsList, stackXlations); +} + +void _XtBindActions( + Widget widget, + XtTM tm) +{ + XtTranslations xlations = tm->translations; + TMSimpleStateTree stateTree; + int globalUnbound = 0; + Cardinal i; + TMBindData bindData = (TMBindData)tm->proc_table; + TMSimpleBindProcs simpleBindProcs = NULL; + TMComplexBindProcs complexBindProcs = NULL; + XtActionProc *newProcs; + Widget bindWidget; + + if ((xlations == NULL) || widget->core.being_destroyed) + return; + + stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[0]; + + for (i = 0; i < xlations->numStateTrees; i++) + { + stateTree = (TMSimpleStateTree)xlations->stateTreeTbl[i]; + if (bindData->simple.isComplex) { + complexBindProcs = TMGetComplexBindEntry(bindData, i); + if (complexBindProcs->widget) { + bindWidget = complexBindProcs->widget; + + if (bindWidget->core.destroy_callbacks != NULL) + _XtAddCallbackOnce((InternalCallbackList *) + &bindWidget->core.destroy_callbacks, + RemoveAccelerators, + (XtPointer)widget); + else + _XtAddCallback((InternalCallbackList *) + &bindWidget->core.destroy_callbacks, + RemoveAccelerators, + (XtPointer)widget); + } + else + bindWidget = widget; + } + else { + simpleBindProcs = TMGetSimpleBindEntry(bindData, i); + bindWidget = widget; + } + if ((newProcs = + TryBindCache(bindWidget,(TMStateTree)stateTree)) == NULL) + { + XtActionProc *procs, stackProcs[256]; + int localUnbound; + TMBindCacheStatusRec bcStatusRec; + + procs = (XtActionProc *) + XtStackAlloc(stateTree->numQuarks * sizeof(XtActionProc), + stackProcs); + XtBZero((XtPointer)procs, + stateTree->numQuarks * sizeof(XtActionProc)); + + localUnbound = BindProcs(bindWidget, + stateTree, + procs, + &bcStatusRec); + + if (localUnbound) + bcStatusRec.notFullyBound = True; + else + bcStatusRec.notFullyBound = False; + + newProcs = + EnterBindCache(bindWidget, + stateTree, + procs, + &bcStatusRec); + XtStackFree((XtPointer)procs, (XtPointer)stackProcs); + globalUnbound += localUnbound; + } + if (bindData->simple.isComplex) + complexBindProcs->procs = newProcs; + else + simpleBindProcs->procs = newProcs; + } + if (globalUnbound) + ReportUnboundActions(xlations, + (TMBindData)tm->proc_table); +} + + +void _XtUnbindActions( + Widget widget, + XtTranslations xlations, + TMBindData bindData) +{ + Cardinal i; + Widget bindWidget; + XtActionProc *procs; + + if ((xlations == NULL) || !XtIsRealized(widget)) return; + + for (i = 0; i < xlations->numStateTrees; i++) { + if (bindData->simple.isComplex) { + TMComplexBindProcs complexBindProcs; + + complexBindProcs = TMGetComplexBindEntry(bindData, i); + + if (complexBindProcs->widget) { + /* + * check for this being an accelerator binding whose + * source is gone ( set by RemoveAccelerators) + */ + if (complexBindProcs->procs == NULL) + continue; + + XtRemoveCallback(complexBindProcs->widget, + XtNdestroyCallback, + RemoveAccelerators, + (XtPointer)widget); + bindWidget = complexBindProcs->widget; + } + else + bindWidget = widget; + procs = complexBindProcs->procs; + complexBindProcs->procs = NULL; + } + else { + TMSimpleBindProcs simpleBindProcs; + simpleBindProcs = TMGetSimpleBindEntry(bindData,i); + procs = simpleBindProcs->procs; + simpleBindProcs->procs = NULL; + bindWidget = widget; + } + RemoveFromBindCache(bindWidget, procs); + } +} + +#ifdef notdef +void _XtRemoveBindProcsByIndex( + Widget w, + TMBindData bindData, + TMShortCard ndx) +{ + TMShortCard i = ndx; + TMBindProcs bindProcs = (TMBindProcs)&bindData->bindTbl[0]; + + RemoveFromBindCache(bindProcs->widget ? bindProcs->widget : w, + bindProcs[i].procs); + + for (; i < bindData->bindTblSize; i++) + bindProcs[i] = bindProcs[i+1]; +} +#endif /* notdef */ + +/* + * used to free all copied action tables, called from DestroyAppContext + */ +void _XtFreeActions( + ActionList actions) +{ + ActionList curr, next; + + for (curr = actions; curr;) { + next = curr->next; + XtFree((char *)curr->table); + XtFree((char *)curr); + curr = next; + } +} + +void XtAddActions( + XtActionList actions, + Cardinal num_actions) +{ + XtAppAddActions(_XtDefaultAppContext(), actions, num_actions); +} + +void XtAppAddActions( + XtAppContext app, + XtActionList actions, + Cardinal num_actions) +{ + register ActionList rec; + + LOCK_APP(app); + rec = XtNew(ActionListRec); + rec->next = app->action_table; + app->action_table = rec; + rec->table = CompileActionTable(actions, num_actions, False, False); + rec->count = num_actions; + UNLOCK_APP(app); +} + +void XtGetActionList( + WidgetClass widget_class, + XtActionList* actions_return, + Cardinal* num_actions_return) +{ + XtActionList list; + CompiledActionTable table; + int i; + + *actions_return = NULL; + *num_actions_return = 0; + + LOCK_PROCESS; + if (! widget_class->core_class.class_inited) { + UNLOCK_PROCESS; + return; + } + if (! (widget_class->core_class.class_inited & WidgetClassFlag)) { + UNLOCK_PROCESS; + return; + } + *num_actions_return = widget_class->core_class.num_actions; + if (*num_actions_return) { + list = *actions_return = (XtActionList) + __XtMalloc(*num_actions_return * sizeof(XtActionsRec)); + table = GetClassActions(widget_class); + if (table != NULL) { + for (i= (*num_actions_return); --i >= 0; list++, table++) { + list->string = XrmQuarkToString(table->signature); + list->proc = table->proc; + } + } + } + UNLOCK_PROCESS; +} + +/*********************************************************************** + * + * Pop-up and Grab stuff + * + ***********************************************************************/ + +static Widget _XtFindPopup( + Widget widget, + String name) +{ + register Cardinal i; + register XrmQuark q; + register Widget w; + + q = XrmStringToQuark(name); + + for (w=widget; w != NULL; w=w->core.parent) + for (i=0; i<w->core.num_popups; i++) + if (w->core.popup_list[i]->core.xrm_name == q) + return w->core.popup_list[i]; + + return NULL; +} + +void XtMenuPopupAction( + Widget widget, + XEvent *event, + String *params, + Cardinal *num_params) +{ + Boolean spring_loaded; + register Widget popup_shell; + XtAppContext app = XtWidgetToApplicationContext(widget); + + LOCK_APP(app); + if (*num_params != 1) { + XtAppWarningMsg(app, + "invalidParameters","xtMenuPopupAction",XtCXtToolkitError, + "MenuPopup wants exactly one argument", + (String *)NULL, (Cardinal *)NULL); + UNLOCK_APP(app); + return; + } + + if (event->type == ButtonPress) + spring_loaded = True; + else if (event->type == KeyPress || event->type == EnterNotify) + spring_loaded = False; + else { + XtAppWarningMsg(app, + "invalidPopup","unsupportedOperation",XtCXtToolkitError, +"Pop-up menu creation is only supported on ButtonPress, KeyPress or EnterNotify events.", + (String *)NULL, (Cardinal *)NULL); + UNLOCK_APP(app); + return; + } + + popup_shell = _XtFindPopup(widget, params[0]); + if (popup_shell == NULL) { + XtAppWarningMsg(app, + "invalidPopup","xtMenuPopup",XtCXtToolkitError, + "Can't find popup widget \"%s\" in XtMenuPopup", + params, num_params); + UNLOCK_APP(app); + return; + } + + if (spring_loaded) _XtPopup(popup_shell, XtGrabExclusive, TRUE); + else _XtPopup(popup_shell, XtGrabNonexclusive, FALSE); + UNLOCK_APP(app); +} + + +/*ARGSUSED*/ +static void _XtMenuPopdownAction( + Widget widget, + XEvent *event, + String *params, + Cardinal *num_params) +{ + Widget popup_shell; + + if (*num_params == 0) { + XtPopdown(widget); + } else if (*num_params == 1) { + popup_shell = _XtFindPopup(widget, params[0]); + if (popup_shell == NULL) { + XtAppWarningMsg(XtWidgetToApplicationContext(widget), + "invalidPopup","xtMenuPopdown",XtCXtToolkitError, + "Can't find popup widget \"%s\" in XtMenuPopdown", + params, num_params); + return; + } + XtPopdown(popup_shell); + } else { + XtAppWarningMsg(XtWidgetToApplicationContext(widget), + "invalidParameters","xtMenuPopdown",XtCXtToolkitError, + "XtMenuPopdown called with num_params != 0 or 1", + (String *)NULL, (Cardinal *)NULL); + } +} + +static XtActionsRec RConst tmActions[] = { + {"XtMenuPopup", XtMenuPopupAction}, + {"XtMenuPopdown", _XtMenuPopdownAction}, + {"MenuPopup", XtMenuPopupAction}, /* old & obsolete */ + {"MenuPopdown", _XtMenuPopdownAction}, /* ditto */ +#ifndef NO_MIT_HACKS + {"XtDisplayTranslations", _XtDisplayTranslations}, + {"XtDisplayAccelerators", _XtDisplayAccelerators}, + {"XtDisplayInstalledAccelerators", _XtDisplayInstalledAccelerators}, +#endif +}; + + +void _XtPopupInitialize( + XtAppContext app) +{ + register ActionList rec; + + /* + * The _XtGlobalTM.newMatchSemantics flag determines whether + * we support old or new matching + * behavior. This is mainly an issue of whether subsequent lhs will + * get pushed up in the match table if a lhs containing thier initial + * sequence has already been encountered. Currently inited to False; + */ +#ifdef NEW_TM + _XtGlobalTM.newMatchSemantics = True; +#else + _XtGlobalTM.newMatchSemantics = False; +#endif + + rec = XtNew(ActionListRec); + rec->next = app->action_table; + app->action_table = rec; + LOCK_PROCESS; + rec->table = CompileActionTable(tmActions, XtNumber(tmActions), False, + True); + rec->count = XtNumber(tmActions); + UNLOCK_PROCESS; + _XtGrabInitialize(app); +} + + +void XtCallActionProc( + Widget widget, + _Xconst char* action, + XEvent *event, + String *params, + Cardinal num_params) +{ + CompiledAction* actionP; + XrmQuark q = XrmStringToQuark(action); + Widget w = widget; + XtAppContext app = XtWidgetToApplicationContext(widget); + ActionList actionList; + Cardinal i; + + LOCK_APP(app); + XtCheckSubclass(widget, coreWidgetClass, + "XtCallActionProc first argument is not a subclass of Core"); + LOCK_PROCESS; + do { + WidgetClass class = XtClass(w); + do { + if ((actionP = GetClassActions(class)) != NULL) + for (i = 0; + i < class->core_class.num_actions; + i++, actionP++) { + + if (actionP->signature == q) { + ActionHook hook = app->action_hook_list; + while (hook != NULL) { + (*hook->proc)( widget, + hook->closure, + (String)action, + event, + params, + &num_params + ); + hook= hook->next; + } + (*(actionP->proc)) + (widget, event, params, &num_params); + UNLOCK_PROCESS; + UNLOCK_APP(app); + return; + } + } + class = class->core_class.superclass; + } while (class != NULL); + w = XtParent(w); + } while (w != NULL); + UNLOCK_PROCESS; + + for (actionList = app->action_table; + actionList != NULL; + actionList = actionList->next) { + + for (i = 0, actionP = actionList->table; + i < actionList->count; + i++, actionP++) { + if (actionP->signature == q) { + ActionHook hook = app->action_hook_list; + while (hook != NULL) { + (*hook->proc)( widget, + hook->closure, + (String)action, + event, + params, + &num_params + ); + hook= hook->next; + } + (*(actionP->proc)) + (widget, event, params, &num_params); + UNLOCK_APP(app); + return; + } + } + + } + + { + String params[2]; + Cardinal num_params = 2; + params[0] = (String)action; + params[1] = XtName(widget); + XtAppWarningMsg(app, + "noActionProc", "xtCallActionProc", XtCXtToolkitError, + "No action proc named \"%s\" is registered for widget \"%s\"", + params, &num_params + ); + } + UNLOCK_APP(app); +} + +void _XtDoFreeBindings( + XtAppContext app) +{ + TMBindCache bcp; + + while (app->free_bindings) { + bcp = app->free_bindings->next; + XtFree ((char *) app->free_bindings); + app->free_bindings = bcp; + } +} |