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authormarha <marha@users.sourceforge.net>2009-11-05 19:00:15 +0000
committermarha <marha@users.sourceforge.net>2009-11-05 19:00:15 +0000
commit87ae92b4b611b4bb494816c9b6a1a8211e1c2f59 (patch)
tree9c5568e1d0765c66ba7ad7de6c4859c8a163c31b /libXt/src/Display.c
parent17cd2280a71d7ae609961734b0aa750919147529 (diff)
parentd65b4c94a92498a770e3e5c2497bf5abb921c522 (diff)
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Added libXt library
Diffstat (limited to 'libXt/src/Display.c')
-rw-r--r--libXt/src/Display.c763
1 files changed, 763 insertions, 0 deletions
diff --git a/libXt/src/Display.c b/libXt/src/Display.c
new file mode 100644
index 000000000..de57a6bf2
--- /dev/null
+++ b/libXt/src/Display.c
@@ -0,0 +1,763 @@
+/* $Xorg: Display.c,v 1.6 2001/02/09 02:03:54 xorgcvs Exp $ */
+
+/***********************************************************
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts,
+Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.
+
+ 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 names of Digital or Sun 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.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
+ABLE 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/Display.c,v 3.15 2002/09/18 01:25:01 dawes Exp $ */
+
+/*
+
+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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "IntrinsicI.h"
+#ifndef X_NO_RESOURCE_CONFIGURATION_MANAGEMENT
+#include "ResConfigP.h"
+#endif
+
+#include <stdlib.h>
+
+#ifdef XTHREADS
+void (*_XtProcessLock)(void) = NULL;
+void (*_XtProcessUnlock)(void) = NULL;
+void (*_XtInitAppLock)(XtAppContext) = NULL;
+#endif
+
+static String XtNnoPerDisplay = "noPerDisplay";
+
+ProcessContext _XtGetProcessContext(void)
+{
+ static ProcessContextRec processContextRec = {
+ (XtAppContext)NULL,
+ (XtAppContext)NULL,
+ (ConverterTable)NULL,
+ {(XtLanguageProc)NULL, (XtPointer)NULL}
+ };
+
+ return &processContextRec;
+}
+
+
+XtAppContext _XtDefaultAppContext(void)
+{
+ ProcessContext process = _XtGetProcessContext();
+ XtAppContext app;
+
+ LOCK_PROCESS;
+ if (process->defaultAppContext == NULL) {
+ process->defaultAppContext = XtCreateApplicationContext();
+ }
+ app = process->defaultAppContext;
+ UNLOCK_PROCESS;
+ return app;
+}
+
+static void AddToAppContext(
+ Display *d,
+ XtAppContext app)
+{
+#define DISPLAYS_TO_ADD 4
+
+ if (app->count >= app->max) {
+ app->max += DISPLAYS_TO_ADD;
+ app->list = (Display **) XtRealloc((char *)app->list,
+ (unsigned) app->max * sizeof(Display *));
+ }
+
+ app->list[app->count++] = d;
+ app->rebuild_fdlist = TRUE;
+#ifndef USE_POLL
+ if (ConnectionNumber(d) + 1 > app->fds.nfds) {
+ app->fds.nfds = ConnectionNumber(d) + 1;
+ }
+#else
+ app->fds.nfds++;
+#endif
+#undef DISPLAYS_TO_ADD
+}
+
+static void XtDeleteFromAppContext(
+ Display *d,
+ register XtAppContext app)
+{
+ register int i;
+
+ for (i = 0; i < app->count; i++) if (app->list[i] == d) break;
+
+ if (i < app->count) {
+ if (i <= app->last && app->last > 0) app->last--;
+ for (i++; i < app->count; i++) app->list[i-1] = app->list[i];
+ app->count--;
+ }
+ app->rebuild_fdlist = TRUE;
+#ifndef USE_POLL
+ if ((ConnectionNumber(d) + 1) == app->fds.nfds)
+ app->fds.nfds--;
+ else /* Unnecessary, just to be fool-proof */
+ FD_CLR(ConnectionNumber(d), &app->fds.rmask);
+#else
+ app->fds.nfds--;
+#endif
+}
+
+static XtPerDisplay NewPerDisplay(
+ Display *dpy)
+{
+ PerDisplayTablePtr pd;
+
+ pd = XtNew(PerDisplayTable);
+ LOCK_PROCESS;
+ pd->dpy = dpy;
+ pd->next = _XtperDisplayList;
+ _XtperDisplayList = pd;
+ UNLOCK_PROCESS;
+ return &(pd->perDpy);
+}
+
+static XtPerDisplay InitPerDisplay(
+ Display *dpy,
+ XtAppContext app,
+ _Xconst char * name,
+ _Xconst char * classname)
+{
+ XtPerDisplay pd;
+
+ AddToAppContext(dpy, app);
+
+ pd = NewPerDisplay(dpy);
+ _XtHeapInit(&pd->heap);
+ pd->destroy_callbacks = NULL;
+ pd->region = XCreateRegion();
+ pd->case_cvt = NULL;
+ pd->defaultKeycodeTranslator = XtTranslateKey;
+ pd->keysyms_serial = 0;
+ pd->keysyms = NULL;
+ XDisplayKeycodes(dpy, &pd->min_keycode, &pd->max_keycode);
+ pd->modKeysyms = NULL;
+ pd->modsToKeysyms = NULL;
+ pd->appContext = app;
+ pd->name = XrmStringToName(name);
+ pd->class = XrmStringToClass(classname);
+ pd->being_destroyed = False;
+ pd->GClist = NULL;
+ pd->pixmap_tab = NULL;
+ pd->language = NULL;
+ pd->rv = False;
+ pd->last_event.xany.serial = 0;
+ pd->last_timestamp = 0;
+ _XtAllocTMContext(pd);
+ pd->mapping_callbacks = NULL;
+
+ pd->pdi.grabList = NULL;
+ pd->pdi.trace = NULL;
+ pd->pdi.traceDepth = 0;
+ pd->pdi.traceMax = 0;
+ pd->pdi.focusWidget = NULL;
+ pd->pdi.activatingKey = 0;
+ pd->pdi.keyboard.grabType = XtNoServerGrab;
+ pd->pdi.pointer.grabType = XtNoServerGrab;
+ _XtAllocWWTable(pd);
+ pd->per_screen_db = (XrmDatabase *)__XtCalloc(ScreenCount(dpy),
+ sizeof(XrmDatabase));
+ pd->cmd_db = (XrmDatabase)NULL;
+ pd->server_db = (XrmDatabase)NULL;
+ pd->dispatcher_list = NULL;
+ pd->ext_select_list = NULL;
+ pd->ext_select_count = 0;
+ pd->hook_object = NULL;
+#if 0
+ pd->hook_object = _XtCreate("hooks", "Hooks", hookObjectClass,
+ (Widget)NULL, (Screen*)DefaultScreenOfDisplay(dpy),
+ (ArgList)NULL, 0, (XtTypedArgList)NULL, 0,
+ (ConstraintWidgetClass)NULL);
+#endif
+
+#ifndef X_NO_RESOURCE_CONFIGURATION_MANAGEMENT
+ pd->rcm_init = XInternAtom (dpy, RCM_INIT, 0);
+ pd->rcm_data = XInternAtom (dpy, RCM_DATA, 0);
+#endif
+
+ return pd;
+}
+
+Display *XtOpenDisplay(
+ XtAppContext app,
+ _Xconst char* displayName,
+ _Xconst char* applName,
+ _Xconst char* className,
+ XrmOptionDescRec *urlist,
+ Cardinal num_urs,
+ int *argc,
+ String *argv)
+{
+ Display *d;
+ XrmDatabase db = NULL;
+ XtPerDisplay pd;
+ String language = NULL;
+
+ LOCK_APP(app);
+ LOCK_PROCESS;
+ /* parse the command line for name, display, and/or language */
+ db = _XtPreparseCommandLine(urlist, num_urs, *argc, argv,
+ (String *)&applName,
+ (String *)(displayName ? NULL : &displayName),
+ (app->process->globalLangProcRec.proc ?
+ &language : NULL));
+ UNLOCK_PROCESS;
+ d = XOpenDisplay(displayName);
+
+ if (! applName && !(applName = getenv("RESOURCE_NAME"))) {
+ if (*argc > 0 && argv[0] && *argv[0]) {
+#ifdef WIN32
+ char *ptr = strrchr(argv[0], '\\');
+#else
+ char *ptr = strrchr(argv[0], '/');
+#endif
+#ifdef __UNIXOS2__
+ char *dot_ptr,*ptr2;
+ ptr2 = strrchr(argv[0],'\\');
+ if (ptr2 > ptr) ptr = ptr2;
+ dot_ptr = strrchr(argv[0],'.');
+ if (dot_ptr && (dot_ptr > ptr)) *dot_ptr='\0';
+#endif /* This will remove the .exe suffix under OS/2 */
+
+ if (ptr) applName = ++ptr;
+ else applName = argv[0];
+ } else
+ applName = "main";
+ }
+
+ if (d) {
+ pd = InitPerDisplay(d, app, applName, className);
+ pd->language = language;
+ _XtDisplayInitialize(d, pd, applName, urlist, num_urs, argc, argv);
+ } else {
+ int len;
+ displayName = XDisplayName(displayName);
+ len = strlen (displayName);
+ app->display_name_tried = (String) __XtMalloc (len + 1);
+ strncpy ((char*) app->display_name_tried, displayName, len + 1);
+ app->display_name_tried[len] = '\0';
+ }
+ if (db) XrmDestroyDatabase(db);
+ UNLOCK_APP(app);
+ return d;
+}
+
+Display *
+_XtAppInit(
+ XtAppContext * app_context_return,
+ String application_class,
+ XrmOptionDescRec *options,
+ Cardinal num_options,
+ int *argc_in_out,
+ String **argv_in_out,
+ String * fallback_resources)
+{
+ String *saved_argv;
+ int i;
+ Display *dpy;
+
+/*
+ * Save away argv and argc so we can set the properties later
+ */
+
+ saved_argv = (String *)
+ __XtMalloc( (Cardinal)((*argc_in_out + 1) * sizeof(String)) );
+
+ for (i = 0 ; i < *argc_in_out ; i++) saved_argv[i] = (*argv_in_out)[i];
+ saved_argv[i] = NULL; /* NULL terminate that sucker. */
+
+
+ *app_context_return = XtCreateApplicationContext();
+
+ LOCK_APP((*app_context_return));
+ if (fallback_resources) /* save a procedure call */
+ XtAppSetFallbackResources(*app_context_return, fallback_resources);
+
+ dpy = XtOpenDisplay(*app_context_return, (String) NULL, NULL,
+ application_class,
+ options, num_options, argc_in_out, *argv_in_out);
+
+ if (!dpy) {
+ String param = (*app_context_return)->display_name_tried;
+ Cardinal param_count = 1;
+ XtErrorMsg("invalidDisplay","xtInitialize",XtCXtToolkitError,
+ "Can't open display: %s", &param, &param_count);
+ XtFree((char *) (*app_context_return)->display_name_tried);
+ }
+ *argv_in_out = saved_argv;
+ UNLOCK_APP((*app_context_return));
+ return dpy;
+}
+
+void
+XtDisplayInitialize(
+ XtAppContext app,
+ Display *dpy,
+ _Xconst char* name,
+ _Xconst char* classname,
+ XrmOptionDescRec *urlist,
+ Cardinal num_urs,
+ int *argc,
+ String *argv
+ )
+{
+ XtPerDisplay pd;
+ XrmDatabase db = NULL;
+
+ LOCK_APP(app);
+ pd = InitPerDisplay(dpy, app, name, classname);
+ LOCK_PROCESS;
+ if (app->process->globalLangProcRec.proc)
+ /* pre-parse the command line for the language resource */
+ db = _XtPreparseCommandLine(urlist, num_urs, *argc, argv, NULL, NULL,
+ &pd->language);
+ UNLOCK_PROCESS;
+ _XtDisplayInitialize(dpy, pd, name, urlist, num_urs, argc, argv);
+ if (db) XrmDestroyDatabase(db);
+ UNLOCK_APP(app);
+}
+
+XtAppContext XtCreateApplicationContext(void)
+{
+ XtAppContext app = XtNew(XtAppStruct);
+#ifdef XTHREADS
+ app->lock_info = NULL;
+ app->lock = NULL;
+ app->unlock = NULL;
+ app->yield_lock = NULL;
+ app->restore_lock = NULL;
+ app->free_lock = NULL;
+#endif
+ INIT_APP_LOCK(app);
+ LOCK_APP(app);
+ LOCK_PROCESS;
+ app->process = _XtGetProcessContext();
+ app->next = app->process->appContextList;
+ app->process->appContextList = app;
+ app->langProcRec.proc = app->process->globalLangProcRec.proc;
+ app->langProcRec.closure = app->process->globalLangProcRec.closure;
+ app->destroy_callbacks = NULL;
+ app->list = NULL;
+ app->count = app->max = app->last = 0;
+ app->timerQueue = NULL;
+ app->workQueue = NULL;
+ app->signalQueue = NULL;
+ app->input_list = NULL;
+ app->outstandingQueue = NULL;
+ app->errorDB = NULL;
+ _XtSetDefaultErrorHandlers(&app->errorMsgHandler,
+ &app->warningMsgHandler, &app->errorHandler,
+ &app->warningHandler);
+ app->action_table = NULL;
+ _XtSetDefaultSelectionTimeout(&app->selectionTimeout);
+ _XtSetDefaultConverterTable(&app->converterTable);
+ app->sync = app->being_destroyed = app->error_inited = FALSE;
+ app->in_phase2_destroy = NULL;
+#ifndef USE_POLL
+ FD_ZERO(&app->fds.rmask);
+ FD_ZERO(&app->fds.wmask);
+ FD_ZERO(&app->fds.emask);
+#endif
+ app->fds.nfds = 0;
+ app->input_count = app->input_max = 0;
+ _XtHeapInit(&app->heap);
+ app->fallback_resources = NULL;
+ _XtPopupInitialize(app);
+ app->action_hook_list = NULL;
+ app->block_hook_list = NULL;
+ app->destroy_list_size = app->destroy_count = app->dispatch_level = 0;
+ app->destroy_list = NULL;
+#ifndef NO_IDENTIFY_WINDOWS
+ app->identify_windows = False;
+#endif
+ app->free_bindings = NULL;
+ app->display_name_tried = NULL;
+ app->dpy_destroy_count = 0;
+ app->dpy_destroy_list = NULL;
+ app->exit_flag = FALSE;
+ app->rebuild_fdlist = TRUE;
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ return app;
+}
+
+void XtAppSetExitFlag (
+ XtAppContext app)
+{
+ LOCK_APP(app);
+ app->exit_flag = TRUE;
+ UNLOCK_APP(app);
+}
+
+Boolean XtAppGetExitFlag (
+ XtAppContext app)
+{
+ Boolean retval;
+ LOCK_APP(app);
+ retval = app->exit_flag;
+ UNLOCK_APP(app);
+ return retval;
+}
+
+static void DestroyAppContext(XtAppContext app)
+{
+ XtAppContext* prev_app;
+
+ prev_app = &app->process->appContextList;
+ while (app->count-- > 0) XtCloseDisplay(app->list[app->count]);
+ if (app->list != NULL) XtFree((char *)app->list);
+ _XtFreeConverterTable(app->converterTable);
+ _XtCacheFlushTag(app, (XtPointer)&app->heap);
+ _XtFreeActions(app->action_table);
+ if (app->destroy_callbacks != NULL) {
+ XtCallCallbackList((Widget) NULL,
+ (XtCallbackList)app->destroy_callbacks,
+ (XtPointer)app);
+ _XtRemoveAllCallbacks(&app->destroy_callbacks);
+ }
+ while (app->timerQueue) XtRemoveTimeOut((XtIntervalId)app->timerQueue);
+ while (app->workQueue) XtRemoveWorkProc((XtWorkProcId)app->workQueue);
+ while (app->signalQueue) XtRemoveSignal((XtSignalId)app->signalQueue);
+ if (app->input_list) _XtRemoveAllInputs(app);
+ XtFree((char*)app->destroy_list);
+ _XtHeapFree(&app->heap);
+ while (*prev_app != app) prev_app = &(*prev_app)->next;
+ *prev_app = app->next;
+ if (app->process->defaultAppContext == app)
+ app->process->defaultAppContext = NULL;
+ if (app->free_bindings) _XtDoFreeBindings (app);
+ FREE_APP_LOCK(app);
+ XtFree((char *)app);
+}
+
+static XtAppContext* appDestroyList = NULL;
+int _XtAppDestroyCount = 0;
+
+void XtDestroyApplicationContext(XtAppContext app)
+{
+ LOCK_APP(app);
+ if (app->being_destroyed) {
+ UNLOCK_APP(app);
+ return;
+ }
+
+ if (_XtSafeToDestroy(app)) {
+ LOCK_PROCESS;
+ DestroyAppContext(app);
+ UNLOCK_PROCESS;
+ } else {
+ app->being_destroyed = TRUE;
+ LOCK_PROCESS;
+ _XtAppDestroyCount++;
+ appDestroyList =
+ (XtAppContext *) XtRealloc((char *) appDestroyList,
+ (unsigned) (_XtAppDestroyCount * sizeof(XtAppContext)));
+ appDestroyList[_XtAppDestroyCount-1] = app;
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ }
+}
+
+void _XtDestroyAppContexts(void)
+{
+ int i,ii;
+ XtAppContext apps[8];
+ XtAppContext* pApps;
+
+ pApps = XtStackAlloc (sizeof (XtAppContext) * _XtAppDestroyCount, apps);
+
+ for (i = ii = 0; i < _XtAppDestroyCount; i++) {
+ if (_XtSafeToDestroy(appDestroyList[i]))
+ DestroyAppContext(appDestroyList[i]);
+ else
+ pApps[ii++] = appDestroyList[i];
+ }
+ _XtAppDestroyCount = ii;
+ if (_XtAppDestroyCount == 0) {
+ XtFree((char *) appDestroyList);
+ appDestroyList = NULL;
+ } else {
+ for (i = 0; i < ii; i++)
+ appDestroyList[i] = pApps[i];
+ }
+ XtStackFree ((XtPointer) pApps, apps);
+}
+
+XrmDatabase XtDatabase(Display *dpy)
+{
+ XrmDatabase retval;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ retval = XrmGetDatabase(dpy);
+ UNLOCK_APP(app);
+ return retval;
+}
+
+PerDisplayTablePtr _XtperDisplayList = NULL;
+
+XtPerDisplay _XtSortPerDisplayList(Display *dpy)
+{
+ register PerDisplayTablePtr pd, opd = NULL;
+
+ LOCK_PROCESS;
+ for (pd = _XtperDisplayList;
+ pd != NULL && pd->dpy != dpy;
+ pd = pd->next) {
+ opd = pd;
+ }
+
+ if (pd == NULL) {
+ XtErrorMsg(XtNnoPerDisplay, "getPerDisplay", XtCXtToolkitError,
+ "Couldn't find per display information",
+ (String *) NULL, (Cardinal *)NULL);
+ }
+
+ if (pd != _XtperDisplayList) { /* move it to the front */
+ /* opd points to the previous one... */
+
+ opd->next = pd->next;
+ pd->next = _XtperDisplayList;
+ _XtperDisplayList = pd;
+ }
+ UNLOCK_PROCESS;
+ return &(pd->perDpy);
+}
+
+XtAppContext XtDisplayToApplicationContext(Display *dpy)
+{
+ XtAppContext retval;
+
+ retval = _XtGetPerDisplay(dpy)->appContext;
+ return retval;
+}
+
+static void CloseDisplay(Display *dpy)
+{
+ register XtPerDisplay xtpd;
+ register PerDisplayTablePtr pd, opd = NULL;
+ XrmDatabase db;
+ int i;
+
+ XtDestroyWidget(XtHooksOfDisplay(dpy));
+
+ LOCK_PROCESS;
+ for (pd = _XtperDisplayList;
+ pd != NULL && pd->dpy != dpy;
+ pd = pd->next){
+ opd = pd;
+ }
+
+ if (pd == NULL) {
+ XtErrorMsg(XtNnoPerDisplay, "closeDisplay", XtCXtToolkitError,
+ "Couldn't find per display information",
+ (String *) NULL, (Cardinal *)NULL);
+ }
+
+ if (pd == _XtperDisplayList) _XtperDisplayList = pd->next;
+ else opd->next = pd->next;
+
+ xtpd = &(pd->perDpy);
+
+ if (xtpd != NULL) {
+ if (xtpd->destroy_callbacks != NULL) {
+ XtCallCallbackList((Widget) NULL,
+ (XtCallbackList)xtpd->destroy_callbacks,
+ (XtPointer)xtpd);
+ _XtRemoveAllCallbacks(&xtpd->destroy_callbacks);
+ }
+ if (xtpd->mapping_callbacks != NULL)
+ _XtRemoveAllCallbacks(&xtpd->mapping_callbacks);
+ XtDeleteFromAppContext(dpy, xtpd->appContext);
+ if (xtpd->keysyms)
+ XFree((char *) xtpd->keysyms);
+ XtFree((char *) xtpd->modKeysyms);
+ XtFree((char *) xtpd->modsToKeysyms);
+ xtpd->keysyms_per_keycode = 0;
+ xtpd->being_destroyed = FALSE;
+ xtpd->keysyms = NULL;
+ xtpd->modKeysyms = NULL;
+ xtpd->modsToKeysyms = NULL;
+ XDestroyRegion(xtpd->region);
+ _XtCacheFlushTag(xtpd->appContext, (XtPointer)&xtpd->heap);
+ _XtGClistFree(dpy, xtpd);
+ XtFree((char*)xtpd->pdi.trace);
+ _XtHeapFree(&xtpd->heap);
+ _XtFreeWWTable(xtpd);
+ xtpd->per_screen_db[DefaultScreen(dpy)] = (XrmDatabase)NULL;
+ for (i = ScreenCount(dpy); --i >= 0; ) {
+ db = xtpd->per_screen_db[i];
+ if (db)
+ XrmDestroyDatabase(db);
+ }
+ XtFree((char *)xtpd->per_screen_db);
+ if ((db = XrmGetDatabase(dpy)))
+ XrmDestroyDatabase(db);
+ if (xtpd->cmd_db)
+ XrmDestroyDatabase(xtpd->cmd_db);
+ if (xtpd->server_db)
+ XrmDestroyDatabase(xtpd->server_db);
+ XtFree(xtpd->language);
+ if (xtpd->dispatcher_list != NULL)
+ XtFree((char *) xtpd->dispatcher_list);
+ if (xtpd->ext_select_list != NULL)
+ XtFree((char *) xtpd->ext_select_list);
+ }
+ XtFree((char*)pd);
+ XrmSetDatabase(dpy, (XrmDatabase)NULL);
+ XCloseDisplay(dpy);
+ UNLOCK_PROCESS;
+}
+
+void XtCloseDisplay(Display *dpy)
+{
+ XtPerDisplay pd;
+ XtAppContext app = XtDisplayToApplicationContext(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+ if (pd->being_destroyed) {
+ UNLOCK_APP(app);
+ return;
+ }
+
+ if (_XtSafeToDestroy(app)) CloseDisplay(dpy);
+ else {
+ pd->being_destroyed = TRUE;
+ app->dpy_destroy_count++;
+ app->dpy_destroy_list = (Display **)
+ XtRealloc((char *) app->dpy_destroy_list,
+ (unsigned) (app->dpy_destroy_count * sizeof(Display *)));
+ app->dpy_destroy_list[app->dpy_destroy_count-1] = dpy;
+ }
+ UNLOCK_APP(app);
+}
+
+void _XtCloseDisplays(XtAppContext app)
+{
+ int i;
+
+ LOCK_APP(app);
+ for (i = 0; i < app->dpy_destroy_count; i++) {
+ CloseDisplay(app->dpy_destroy_list[i]);
+ }
+ app->dpy_destroy_count = 0;
+ XtFree((char *) app->dpy_destroy_list);
+ app->dpy_destroy_list = NULL;
+ UNLOCK_APP(app);
+}
+
+XtAppContext XtWidgetToApplicationContext(Widget w)
+{
+ XtAppContext retval;
+
+ retval = _XtGetPerDisplay(XtDisplayOfObject(w))->appContext;
+ return retval;
+}
+
+
+void XtGetApplicationNameAndClass(
+ Display *dpy,
+ String *name_return,
+ String *class_return)
+{
+ XtPerDisplay pd;
+
+ pd = _XtGetPerDisplay(dpy);
+ *name_return = XrmQuarkToString(pd->name);
+ *class_return = XrmQuarkToString(pd->class);
+}
+
+XtPerDisplay _XtGetPerDisplay (Display* display)
+{
+ XtPerDisplay retval;
+
+ LOCK_PROCESS;
+ retval = ((_XtperDisplayList != NULL &&
+ _XtperDisplayList->dpy == display)
+ ? &_XtperDisplayList->perDpy
+ : _XtSortPerDisplayList(display));
+ UNLOCK_PROCESS;
+ return retval;
+}
+
+XtPerDisplayInputRec* _XtGetPerDisplayInput(Display* display)
+{
+ XtPerDisplayInputRec* retval;
+ LOCK_PROCESS;
+ retval = ((_XtperDisplayList != NULL &&
+ _XtperDisplayList->dpy == display)
+ ? &_XtperDisplayList->perDpy.pdi
+ : &_XtSortPerDisplayList(display)->pdi);
+ UNLOCK_PROCESS;
+ return retval;
+}
+
+void XtGetDisplays(
+ XtAppContext app_context,
+ Display*** dpy_return,
+ Cardinal* num_dpy_return)
+{
+ int ii;
+ LOCK_APP(app_context);
+ *num_dpy_return = app_context->count;
+ *dpy_return = (Display**)__XtMalloc(app_context->count * sizeof(Display*));
+ for (ii = 0; ii < app_context->count; ii++)
+ (*dpy_return)[ii] = app_context->list[ii];
+ UNLOCK_APP(app_context);
+}