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Diffstat (limited to 'src/Display.c')
| -rw-r--r-- | src/Display.c | 866 |
1 files changed, 866 insertions, 0 deletions
diff --git a/src/Display.c b/src/Display.c new file mode 100644 index 0000000..a0f1ba0 --- /dev/null +++ b/src/Display.c @@ -0,0 +1,866 @@ +/* $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. + +******************************************************************/ + +/* + +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. + +*/ + +#include "IntrinsicI.h" +#ifndef X_NO_RESOURCE_CONFIGURATION_MANAGEMENT +#include "ResConfigP.h" +#endif + +#ifndef X_NOT_STDC_ENV +#include <stdlib.h> +#else +extern char* getenv(); +#endif + +#ifdef XTHREADS +void (*_XtProcessLock)() = NULL; +void (*_XtProcessUnlock)() = NULL; +void (*_XtInitAppLock)() = NULL; +#endif + +static String XtNnoPerDisplay = "noPerDisplay"; + +extern void _XtHeapInit(); +extern void _XtHeapFree(); +extern XrmDatabase _XtPreparseCommandLine(); + +ProcessContext _XtGetProcessContext() +{ + static ProcessContextRec processContextRec = { + (XtAppContext)NULL, + (XtAppContext)NULL, + (ConverterTable)NULL, + {(XtLanguageProc)NULL, (XtPointer)NULL} + }; + + return &processContextRec; +} + + +XtAppContext _XtDefaultAppContext() +{ + ProcessContext process = _XtGetProcessContext(); + XtAppContext app; + + LOCK_PROCESS; + if (process->defaultAppContext == NULL) { + process->defaultAppContext = XtCreateApplicationContext(); + } + app = process->defaultAppContext; + UNLOCK_PROCESS; + return app; +} + +static void AddToAppContext(d, app) + 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(d, app) + Display *d; + register XtAppContext app; +{ + register int i; + + LOCK_APP(app); + + 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 + + { + int display; + int source; + + /* + * Search through list[] for largest connection number + */ + + app->fds.nfds = 0; + + for (display = 0; display < app->count; display++) { + if ((ConnectionNumber(app->list[display]) + 1) > app->fds.nfds) { + app->fds.nfds = ConnectionNumber(app->list[display]) + 1; + } + } + + /* + * Search through input_list[] for largest input source, i.e. + * file descriptor + */ + + for (source = (app->input_max - 1); ((source >= 0) && ((source + 1) > app->fds.nfds)); source--) { + if (app->input_list[source] != (InputEvent *) NULL) { + app->fds.nfds = (source + 1); + break; + } + } + } + +#else + + app->fds.nfds--; + +#endif + + UNLOCK_APP(app); +} + +static XtPerDisplay NewPerDisplay(dpy) + 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(dpy, app, name, classname) + Display *dpy; + XtAppContext app; + String name; + String classname; +{ + extern void _XtAllocTMContext(); + 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; +} + +#if NeedFunctionPrototypes +Display *XtOpenDisplay( + XtAppContext app, + _Xconst char* displayName, + _Xconst char* applName, + _Xconst char* className, + XrmOptionDescRec *urlist, + Cardinal num_urs, + int *argc, + String *argv + ) +#else +Display *XtOpenDisplay(app, displayName, applName, className, + urlist, num_urs, argc, argv) + XtAppContext app; + String displayName, applName, className; + XrmOptionDescRec *urlist; + Cardinal num_urs; + int *argc; + String *argv; +#endif +{ + Display *d; + XrmDatabase db = 0; + 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, &applName, + (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 + 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(app_context_return, application_class, options, num_options, + argc_in_out, argv_in_out, fallback_resources) +XtAppContext * app_context_return; +String application_class; +XrmOptionDescRec *options; +Cardinal num_options; +int *argc_in_out; +String **argv_in_out, * 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", ¶m, ¶m_count); + XtFree((char *) (*app_context_return)->display_name_tried); + } + *argv_in_out = saved_argv; + UNLOCK_APP((*app_context_return)); + return dpy; +} + +#if NeedFunctionPrototypes +void +XtDisplayInitialize( + XtAppContext app, + Display *dpy, + _Xconst char* name, + _Xconst char* classname, + XrmOptionDescRec *urlist, + Cardinal num_urs, + int *argc, + String *argv + ) +#else +void +XtDisplayInitialize(app, dpy, name, classname, urlist, num_urs, argc, argv) + XtAppContext app; + Display *dpy; + String name, classname; + XrmOptionDescRec *urlist; + Cardinal num_urs; + int *argc; + String *argv; +#endif +{ + XtPerDisplay pd; + XrmDatabase db = 0; + + 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() +{ + 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; +} + +#if NeedFunctionPrototypes +void XtAppSetExitFlag ( + XtAppContext app) +#else +void XtAppSetExitFlag (app) + XtAppContext app; +#endif +{ + LOCK_APP(app); + app->exit_flag = TRUE; + UNLOCK_APP(app); +} + +#if NeedFunctionPrototypes +Boolean XtAppGetExitFlag ( + XtAppContext app) +#else +Boolean XtAppGetExitFlag (app) + XtAppContext app; +#endif +{ + Boolean retval; + LOCK_APP(app); + retval = app->exit_flag; + UNLOCK_APP(app); + return retval; +} + +static void DestroyAppContext(app) + 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(app) + 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() +{ + 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(dpy) + Display *dpy; +{ + XrmDatabase retval; + DPY_TO_APPCON(dpy); + + LOCK_APP(app); + retval = XrmGetDatabase(dpy); + UNLOCK_APP(app); + return retval; +} + +PerDisplayTablePtr _XtperDisplayList = NULL; + +XtPerDisplay _XtSortPerDisplayList(dpy) + Display *dpy; +{ + register PerDisplayTablePtr pd, opd; + +#ifdef lint + opd = NULL; +#endif + 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(dpy) + Display *dpy; +{ + XtAppContext retval; + + retval = _XtGetPerDisplay(dpy)->appContext; + return retval; +} + +static void CloseDisplay(dpy) + Display *dpy; +{ + register XtPerDisplay xtpd; + register PerDisplayTablePtr pd, opd; + XrmDatabase db; + int i; + +#ifdef lint + opd = NULL; +#endif + 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) { + extern void _XtGClistFree(); + 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(dpy) + 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); +} + +#if NeedFunctionPrototypes +void _XtCloseDisplays( + XtAppContext app) +#else +void _XtCloseDisplays(app) + XtAppContext app; +#endif +{ + 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(w) + Widget w; +{ + XtAppContext retval; + + retval = _XtGetPerDisplay(XtDisplayOfObject(w))->appContext; + return retval; +} + + +void XtGetApplicationNameAndClass(dpy, name_return, class_return) + Display *dpy; + String *name_return; + String *class_return; +{ + XtPerDisplay pd; + + pd = _XtGetPerDisplay(dpy); + *name_return = XrmQuarkToString(pd->name); + *class_return = XrmQuarkToString(pd->class); +} + +#if NeedFunctionPrototypes +XtPerDisplay _XtGetPerDisplay ( + Display* display) +#else +XtPerDisplay _XtGetPerDisplay (display) + Display* display; +#endif +{ + XtPerDisplay retval; + + LOCK_PROCESS; + retval = ((_XtperDisplayList != NULL && + _XtperDisplayList->dpy == display) + ? &_XtperDisplayList->perDpy + : _XtSortPerDisplayList(display)); + UNLOCK_PROCESS; + return retval; +} + +#if NeedFunctionPrototypes +XtPerDisplayInputRec* _XtGetPerDisplayInput( + Display* display) +#else +XtPerDisplayInputRec* _XtGetPerDisplayInput(display) + Display* display; +#endif +{ + XtPerDisplayInputRec* retval; + LOCK_PROCESS; + retval = ((_XtperDisplayList != NULL && + _XtperDisplayList->dpy == display) + ? &_XtperDisplayList->perDpy.pdi + : &_XtSortPerDisplayList(display)->pdi); + UNLOCK_PROCESS; + return retval; +} + +#if NeedFunctionPrototypes +void XtGetDisplays( + XtAppContext app_context, + Display*** dpy_return, + Cardinal* num_dpy_return) +#else +void XtGetDisplays(app_context, dpy_return, num_dpy_return) + XtAppContext app_context; + Display*** dpy_return; + Cardinal* num_dpy_return; +#endif +{ + 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); +} |