1 /* GDK - The GIMP Drawing Kit
4 * Copyright 2001 Sun Microsystems Inc.
5 * Copyright (C) 2004 Nokia Corporation
7 * Erwann Chenede <erwann.chenede@sun.com>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, USA.
34 #include "gdkdisplay.h"
35 #include "gdkdisplay-x11.h"
36 #include "gdkscreen.h"
37 #include "gdkscreen-x11.h"
38 #include "gdkinternals.h"
39 #include "gdkinputprivate.h"
40 #include "xsettings-client.h"
43 #include <X11/Xatom.h>
46 #include <X11/XKBlib.h>
50 #include <X11/extensions/Xfixes.h>
53 static void gdk_display_x11_class_init (GdkDisplayX11Class *class);
54 static void gdk_display_x11_dispose (GObject *object);
55 static void gdk_display_x11_finalize (GObject *object);
58 static void gdk_internal_connection_watch (Display *display,
62 XPointer *watch_data);
63 #endif /* HAVE_X11R6 */
65 static gpointer parent_class = NULL;
67 /* Note that we never *directly* use WM_LOCALE_NAME, WM_PROTOCOLS,
68 * but including them here has the side-effect of getting them
69 * into the internal Xlib cache
71 static const char *const precache_atoms[] = {
85 "_NET_WM_STATE_STICKY",
86 "_NET_WM_STATE_MAXIMIZED_VERT",
87 "_NET_WM_STATE_MAXIMIZED_HORZ",
88 "_NET_WM_STATE_FULLSCREEN",
89 "_NET_WM_SYNC_REQUEST",
90 "_NET_WM_SYNC_REQUEST_COUNTER",
91 "_NET_WM_WINDOW_TYPE",
92 "_NET_WM_WINDOW_TYPE_NORMAL",
98 _gdk_display_x11_get_type (void)
100 static GType object_type = 0;
104 static const GTypeInfo object_info =
106 sizeof (GdkDisplayX11Class),
107 (GBaseInitFunc) NULL,
108 (GBaseFinalizeFunc) NULL,
109 (GClassInitFunc) gdk_display_x11_class_init,
110 NULL, /* class_finalize */
111 NULL, /* class_data */
112 sizeof (GdkDisplayX11),
114 (GInstanceInitFunc) NULL,
117 object_type = g_type_register_static (GDK_TYPE_DISPLAY,
126 gdk_display_x11_class_init (GdkDisplayX11Class * class)
128 GObjectClass *object_class = G_OBJECT_CLASS (class);
130 object_class->dispose = gdk_display_x11_dispose;
131 object_class->finalize = gdk_display_x11_finalize;
133 parent_class = g_type_class_peek_parent (class);
139 * @display_name: the name of the display to open
140 * @returns: a #GdkDisplay, or %NULL if the display
141 * could not be opened.
148 gdk_display_open (const gchar *display_name)
152 GdkDisplayX11 *display_x11;
156 const char *sm_client_id;
158 XClassHint *class_hint;
165 xdisplay = XOpenDisplay (display_name);
169 display = g_object_new (GDK_TYPE_DISPLAY_X11, NULL);
170 display_x11 = GDK_DISPLAY_X11 (display);
172 display_x11->use_xshm = TRUE;
173 display_x11->xdisplay = xdisplay;
176 /* Set up handlers for Xlib internal connections */
177 XAddConnectionWatch (xdisplay, gdk_internal_connection_watch, NULL);
178 #endif /* HAVE_X11R6 */
180 /* initialize the display's screens */
181 display_x11->screens = g_new (GdkScreen *, ScreenCount (display_x11->xdisplay));
182 for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
183 display_x11->screens[i] = _gdk_x11_screen_new (display, i);
185 /* We need to initialize events after we have the screen
186 * structures in places
188 for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
189 _gdk_x11_events_init_screen (display_x11->screens[i]);
191 /*set the default screen */
192 display_x11->default_screen = display_x11->screens[DefaultScreen (display_x11->xdisplay)];
194 attr.window_type = GDK_WINDOW_TOPLEVEL;
195 attr.wclass = GDK_INPUT_OUTPUT;
202 display_x11->leader_gdk_window = gdk_window_new (GDK_SCREEN_X11 (display_x11->default_screen)->root_window,
203 &attr, GDK_WA_X | GDK_WA_Y);
204 (_gdk_x11_window_get_toplevel (display_x11->leader_gdk_window))->is_leader = TRUE;
206 display_x11->leader_window = GDK_WINDOW_XID (display_x11->leader_gdk_window);
208 display_x11->leader_window_title_set = FALSE;
210 display_x11->have_render = GDK_UNKNOWN;
213 if (XFixesQueryExtension (display_x11->xdisplay,
214 &display_x11->xfixes_event_base,
217 display_x11->have_xfixes = TRUE;
219 gdk_x11_register_standard_event_type (display,
220 display_x11->xfixes_event_base,
225 display_x11->have_xfixes = FALSE;
227 if (_gdk_synchronize)
228 XSynchronize (display_x11->xdisplay, True);
230 _gdk_x11_precache_atoms (display, precache_atoms, G_N_ELEMENTS (precache_atoms));
232 class_hint = XAllocClassHint();
233 class_hint->res_name = g_get_prgname ();
235 class_hint->res_class = (char *)gdk_get_program_class ();
237 /* XmbSetWMProperties sets the RESOURCE_NAME environment variable
238 * from argv[0], so we just synthesize an argument array here.
241 argv[0] = g_get_prgname ();
243 XmbSetWMProperties (display_x11->xdisplay,
244 display_x11->leader_window,
245 NULL, NULL, argv, argc, NULL, NULL,
249 sm_client_id = _gdk_get_sm_client_id ();
251 _gdk_windowing_display_set_sm_client_id (display, sm_client_id);
254 XChangeProperty (display_x11->xdisplay,
255 display_x11->leader_window,
256 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PID"),
257 XA_CARDINAL, 32, PropModeReplace, (guchar *) & pid, 1);
259 /* We don't yet know a valid time. */
260 display_x11->user_time = 0;
264 gint xkb_major = XkbMajorVersion;
265 gint xkb_minor = XkbMinorVersion;
266 if (XkbLibraryVersion (&xkb_major, &xkb_minor))
268 xkb_major = XkbMajorVersion;
269 xkb_minor = XkbMinorVersion;
271 if (XkbQueryExtension (display_x11->xdisplay,
272 NULL, &display_x11->xkb_event_type, NULL,
273 &xkb_major, &xkb_minor))
275 Bool detectable_autorepeat_supported;
277 display_x11->use_xkb = TRUE;
279 XkbSelectEvents (display_x11->xdisplay,
281 XkbNewKeyboardNotifyMask | XkbMapNotifyMask | XkbStateNotifyMask,
282 XkbNewKeyboardNotifyMask | XkbMapNotifyMask | XkbStateNotifyMask);
284 XkbSetDetectableAutoRepeat (display_x11->xdisplay,
286 &detectable_autorepeat_supported);
288 GDK_NOTE (MISC, g_message ("Detectable autorepeat %s.",
289 detectable_autorepeat_supported ?
290 "supported" : "not supported"));
292 display_x11->have_xkb_autorepeat = detectable_autorepeat_supported;
298 display_x11->use_sync = FALSE;
302 int error_base, event_base;
304 if (XSyncQueryExtension (display_x11->xdisplay,
305 &event_base, &error_base) &&
306 XSyncInitialize (display_x11->xdisplay,
308 display_x11->use_sync = TRUE;
312 _gdk_windowing_image_init (display);
313 _gdk_events_init (display);
314 _gdk_input_init (display);
315 _gdk_dnd_init (display);
317 g_signal_emit_by_name (gdk_display_manager_get(),
318 "display_opened", display);
325 * XLib internal connection handling
327 typedef struct _GdkInternalConnection GdkInternalConnection;
329 struct _GdkInternalConnection
337 process_internal_connection (GIOChannel *gioc,
341 GdkInternalConnection *connection = (GdkInternalConnection *)data;
343 GDK_THREADS_ENTER ();
345 XProcessInternalConnection ((Display*)connection->display, connection->fd);
347 GDK_THREADS_LEAVE ();
352 static GdkInternalConnection *
353 gdk_add_connection_handler (Display *display,
356 GIOChannel *io_channel;
357 GdkInternalConnection *connection;
359 connection = g_new (GdkInternalConnection, 1);
362 connection->display = display;
364 io_channel = g_io_channel_unix_new (fd);
366 connection->source = g_io_create_watch (io_channel, G_IO_IN);
367 g_source_set_callback (connection->source,
368 (GSourceFunc)process_internal_connection, connection, NULL);
369 g_source_attach (connection->source, NULL);
371 g_io_channel_unref (io_channel);
377 gdk_remove_connection_handler (GdkInternalConnection *connection)
379 g_source_destroy (connection->source);
384 gdk_internal_connection_watch (Display *display,
388 XPointer *watch_data)
391 *watch_data = (XPointer)gdk_add_connection_handler (display, fd);
393 gdk_remove_connection_handler ((GdkInternalConnection *)*watch_data);
395 #endif /* HAVE_X11R6 */
398 * gdk_display_get_name:
399 * @display: a #GdkDisplay
401 * Gets the name of the display.
403 * Returns: a string representing the display name. This string is owned
404 * by GDK and should not be modified or freed.
408 G_CONST_RETURN gchar *
409 gdk_display_get_name (GdkDisplay * display)
411 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
413 return (gchar *) DisplayString (GDK_DISPLAY_X11 (display)->xdisplay);
417 * gdk_display_get_n_screens:
418 * @display: a #GdkDisplay
420 * Gets the number of screen managed by the @display.
422 * Returns: number of screens.
427 gdk_display_get_n_screens (GdkDisplay * display)
429 g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
431 return ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay);
435 * gdk_display_get_screen:
436 * @display: a #GdkDisplay
437 * @screen_num: the screen number
439 * Returns a screen object for one of the screens of the display.
441 * Returns: the #GdkScreen object
446 gdk_display_get_screen (GdkDisplay * display, gint screen_num)
448 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
449 g_return_val_if_fail (ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay) > screen_num, NULL);
451 return GDK_DISPLAY_X11 (display)->screens[screen_num];
455 * gdk_display_get_default_screen:
456 * @display: a #GdkDisplay
458 * Get the default #GdkScreen for @display.
460 * Returns: the default #GdkScreen object for @display
465 gdk_display_get_default_screen (GdkDisplay * display)
467 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
469 return GDK_DISPLAY_X11 (display)->default_screen;
473 _gdk_x11_display_is_root_window (GdkDisplay *display,
476 GdkDisplayX11 *display_x11;
479 g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
481 display_x11 = GDK_DISPLAY_X11 (display);
483 for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
485 if (GDK_SCREEN_XROOTWIN (display_x11->screens[i]) == xroot_window)
491 #define XSERVER_TIME_IS_LATER(time1, time2) \
492 ( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
493 (( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
497 * gdk_display_pointer_ungrab:
498 * @display: a #GdkDisplay.
499 * @time_: a timestap (e.g. GDK_CURRENT_TIME).
501 * Release any pointer grab.
506 gdk_display_pointer_ungrab (GdkDisplay *display,
510 GdkDisplayX11 *display_x11;
512 g_return_if_fail (GDK_IS_DISPLAY (display));
514 display_x11 = GDK_DISPLAY_X11 (display);
515 xdisplay = GDK_DISPLAY_XDISPLAY (display);
517 _gdk_input_ungrab_pointer (display, time);
518 XUngrabPointer (xdisplay, time);
521 if (time == GDK_CURRENT_TIME ||
522 display_x11->pointer_xgrab_time == GDK_CURRENT_TIME ||
523 !XSERVER_TIME_IS_LATER (display_x11->pointer_xgrab_time, time))
524 display_x11->pointer_xgrab_window = NULL;
528 * gdk_display_pointer_is_grabbed:
529 * @display: a #GdkDisplay
531 * Test if the pointer is grabbed.
533 * Returns: %TRUE if an active X pointer grab is in effect
538 gdk_display_pointer_is_grabbed (GdkDisplay * display)
540 g_return_val_if_fail (GDK_IS_DISPLAY (display), TRUE);
542 return (GDK_DISPLAY_X11 (display)->pointer_xgrab_window != NULL &&
543 !GDK_DISPLAY_X11 (display)->pointer_xgrab_implicit);
547 * gdk_display_keyboard_ungrab:
548 * @display: a #GdkDisplay.
549 * @time_: a timestap (e.g #GDK_CURRENT_TIME).
551 * Release any keyboard grab
556 gdk_display_keyboard_ungrab (GdkDisplay *display,
560 GdkDisplayX11 *display_x11;
562 g_return_if_fail (GDK_IS_DISPLAY (display));
564 display_x11 = GDK_DISPLAY_X11 (display);
565 xdisplay = GDK_DISPLAY_XDISPLAY (display);
567 XUngrabKeyboard (xdisplay, time);
570 if (time == GDK_CURRENT_TIME ||
571 display_x11->keyboard_xgrab_time == GDK_CURRENT_TIME ||
572 !XSERVER_TIME_IS_LATER (display_x11->keyboard_xgrab_time, time))
573 display_x11->keyboard_xgrab_window = NULL;
578 * @display: a #GdkDisplay
580 * Emits a short beep on @display
585 gdk_display_beep (GdkDisplay * display)
587 g_return_if_fail (GDK_IS_DISPLAY (display));
589 XBell (GDK_DISPLAY_XDISPLAY (display), 0);
594 * @display: a #GdkDisplay
596 * Flushes any requests queued for the windowing system and waits until all
597 * requests have been handled. This is often used for making sure that the
598 * display is synchronized with the current state of the program. Calling
599 * gdk_display_sync() before gdk_error_trap_pop() makes sure that any errors
600 * generated from earlier requests are handled before the error trap is
603 * This is most useful for X11. On windowing systems where requests are
604 * handled synchronously, this function will do nothing.
609 gdk_display_sync (GdkDisplay * display)
611 g_return_if_fail (GDK_IS_DISPLAY (display));
613 XSync (GDK_DISPLAY_XDISPLAY (display), False);
618 * @display: a #GdkDisplay
620 * Flushes any requests queued for the windowing system; this happens automatically
621 * when the main loop blocks waiting for new events, but if your application
622 * is drawing without returning control to the main loop, you may need
623 * to call this function explicitely. A common case where this function
624 * needs to be called is when an application is executing drawing commands
625 * from a thread other than the thread where the main loop is running.
627 * This is most useful for X11. On windowing systems where requests are
628 * handled synchronously, this function will do nothing.
633 gdk_display_flush (GdkDisplay *display)
635 g_return_if_fail (GDK_IS_DISPLAY (display));
637 if (!display->closed)
638 XFlush (GDK_DISPLAY_XDISPLAY (display));
642 * gdk_display_get_default_group:
643 * @display: a #GdkDisplay
645 * Returns the default group leader window for all toplevel windows
646 * on @display. This window is implicitly created by GDK.
647 * See gdk_window_set_group().
649 * Return value: The default group leader window for @display
653 GdkWindow *gdk_display_get_default_group (GdkDisplay *display)
655 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
657 return GDK_DISPLAY_X11 (display)->leader_gdk_window;
661 * gdk_x11_display_grab:
662 * @display: a #GdkDisplay
664 * Call XGrabServer() on @display.
665 * To ungrab the display again, use gdk_x11_display_ungrab().
667 * gdk_x11_display_grab()/gdk_x11_display_ungrab() calls can be nested.
672 gdk_x11_display_grab (GdkDisplay * display)
674 GdkDisplayX11 *display_x11;
676 g_return_if_fail (GDK_IS_DISPLAY (display));
678 display_x11 = GDK_DISPLAY_X11 (display);
680 if (display_x11->grab_count == 0)
681 XGrabServer (display_x11->xdisplay);
682 display_x11->grab_count++;
686 * gdk_x11_display_ungrab:
687 * @display: a #GdkDisplay
689 * Ungrab @display after it has been grabbed with
690 * gdk_x11_display_grab().
695 gdk_x11_display_ungrab (GdkDisplay * display)
697 GdkDisplayX11 *display_x11;
699 g_return_if_fail (GDK_IS_DISPLAY (display));
701 display_x11 = GDK_DISPLAY_X11 (display);;
702 g_return_if_fail (display_x11->grab_count > 0);
704 display_x11->grab_count--;
705 if (display_x11->grab_count == 0)
707 XUngrabServer (display_x11->xdisplay);
708 XFlush (display_x11->xdisplay);
713 gdk_display_x11_dispose (GObject *object)
715 GdkDisplayX11 *display_x11;
718 display_x11 = GDK_DISPLAY_X11 (object);
720 for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
721 _gdk_screen_close (display_x11->screens[i]);
723 g_source_destroy (display_x11->event_source);
725 XCloseDisplay (display_x11->xdisplay);
726 display_x11->xdisplay = NULL;
728 G_OBJECT_CLASS (parent_class)->dispose (object);
732 gdk_display_x11_finalize (GObject *object)
734 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (object);
737 /* FIXME need to write GdkKeymap finalize fct
738 g_object_unref (display_x11->keymap);
741 if (display_x11->motif_target_lists)
743 for (i = 0; i < display_x11->motif_n_target_lists; i++)
744 g_list_free (display_x11->motif_target_lists[i]);
745 g_free (display_x11->motif_target_lists);
749 g_hash_table_destroy (display_x11->atom_from_virtual);
750 g_hash_table_destroy (display_x11->atom_to_virtual);
752 XDestroyWindow (display_x11->xdisplay, display_x11->leader_window);
753 /* list of filters for client messages */
754 g_list_free (display_x11->client_filters);
755 /* List of event window extraction functions */
756 g_slist_foreach (display_x11->event_types, (GFunc)g_free, NULL);
757 g_slist_free (display_x11->event_types);
759 g_hash_table_destroy (display_x11->xid_ht);
760 /* input GdkDevice list */
761 /* FIXME need to write finalize fct */
762 for (tmp = display_x11->input_devices; tmp; tmp = tmp->next)
763 g_object_unref (tmp->data);
764 g_list_free (display_x11->input_devices);
765 /* input GdkWindow list */
766 for (tmp = display_x11->input_windows; tmp; tmp = tmp->next)
767 g_object_unref (tmp->data);
768 g_list_free (display_x11->input_windows);
769 /* Free all GdkScreens */
770 for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
771 g_object_unref (display_x11->screens[i]);
772 g_free (display_x11->screens);
773 g_free (display_x11->startup_notification_id);
775 G_OBJECT_CLASS (parent_class)->finalize (object);
779 * gdk_x11_lookup_xdisplay:
780 * @xdisplay: a pointer to an X Display
782 * Find the #GdkDisplay corresponding to @display, if any exists.
784 * Return value: the #GdkDisplay, if found, otherwise %NULL.
789 gdk_x11_lookup_xdisplay (Display *xdisplay)
793 for (tmp_list = _gdk_displays; tmp_list; tmp_list = tmp_list->next)
795 if (GDK_DISPLAY_XDISPLAY (tmp_list->data) == xdisplay)
796 return tmp_list->data;
803 * _gdk_x11_display_screen_for_xrootwin:
804 * @display: a #Display
805 * @xrootwin: window ID for one of of the screen's of the display.
807 * Given the root window ID of one of the screen's of a #GdkDisplay,
810 * Return value: the #GdkScreen corresponding to @xrootwin, or %NULL.
813 _gdk_x11_display_screen_for_xrootwin (GdkDisplay *display,
818 n_screens = gdk_display_get_n_screens (display);
819 for (i = 0; i < n_screens; i++)
821 GdkScreen *screen = gdk_display_get_screen (display, i);
822 if (GDK_SCREEN_XROOTWIN (screen) == xrootwin)
830 * gdk_x11_display_get_xdisplay:
831 * @display: a #GdkDisplay
832 * @returns: an X display.
834 * Returns the X display of a #GdkDisplay.
839 gdk_x11_display_get_xdisplay (GdkDisplay *display)
841 return GDK_DISPLAY_X11 (display)->xdisplay;
845 _gdk_windowing_set_default_display (GdkDisplay *display)
847 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
848 const gchar *startup_id;
851 gdk_display = GDK_DISPLAY_XDISPLAY (display);
855 g_free (display_x11->startup_notification_id);
856 display_x11->startup_notification_id = NULL;
858 startup_id = g_getenv ("DESKTOP_STARTUP_ID");
859 if (startup_id && *startup_id != '\0')
863 if (!g_utf8_validate (startup_id, -1, NULL))
864 g_warning ("DESKTOP_STARTUP_ID contains invalid UTF-8");
866 display_x11->startup_notification_id = g_strdup (startup_id);
868 /* Find the launch time from the startup_id, if it's there. Newer spec
869 * states that the startup_id is of the form <unique>_TIME<timestamp>
871 time_str = g_strrstr (startup_id, "_TIME");
872 if (time_str != NULL)
878 /* Skip past the "_TIME" part */
881 retval = strtoul (time_str, &end, 0);
882 if (end != time_str && errno == 0)
883 display_x11->user_time = retval;
886 /* Clear the environment variable so it won't be inherited by
887 * child processes and confuse things.
889 g_unsetenv ("DESKTOP_STARTUP_ID");
891 /* Set the startup id on the leader window so it
892 * applies to all windows we create on this display
894 XChangeProperty (display_x11->xdisplay,
895 display_x11->leader_window,
896 gdk_x11_get_xatom_by_name_for_display (display, "_NET_STARTUP_ID"),
897 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
899 startup_id, strlen (startup_id));
904 escape_for_xmessage (const char *str)
909 retval = g_string_new (NULL);
919 g_string_append_c (retval, '\\');
923 g_string_append_c (retval, *p);
927 return g_string_free (retval, FALSE);
931 broadcast_xmessage (GdkDisplay *display,
932 const char *message_type,
933 const char *message_type_begin,
936 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
937 GdkScreen *screen = gdk_display_get_default_screen (display);
938 GdkWindow *root_window = gdk_screen_get_root_window (screen);
939 Window xroot_window = GDK_WINDOW_XID (root_window);
942 Atom type_atom_begin;
946 XSetWindowAttributes attrs;
948 attrs.override_redirect = True;
949 attrs.event_mask = PropertyChangeMask | StructureNotifyMask;
952 XCreateWindow (xdisplay,
958 (Visual *)CopyFromParent,
959 CWOverrideRedirect | CWEventMask,
963 type_atom = gdk_x11_get_xatom_by_name_for_display (display,
965 type_atom_begin = gdk_x11_get_xatom_by_name_for_display (display,
975 xevent.xclient.type = ClientMessage;
976 xevent.xclient.message_type = type_atom_begin;
977 xevent.xclient.display =xdisplay;
978 xevent.xclient.window = xwindow;
979 xevent.xclient.format = 8;
982 src_end = message + strlen (message) + 1; /* +1 to include nul byte */
984 while (src != src_end)
986 dest = &xevent.xclient.data.b[0];
987 dest_end = dest + 20;
989 while (dest != dest_end &&
997 while (dest != dest_end)
1003 XSendEvent (xdisplay,
1009 xevent.xclient.message_type = type_atom;
1013 XDestroyWindow (xdisplay, xwindow);
1018 * gdk_notify_startup_complete:
1020 * Indicates to the GUI environment that the application has finished
1021 * loading. If the applications opens windows, this function is
1022 * normally called after opening the application's initial set of
1025 * GTK+ will call this function automatically after opening the first
1026 * #GtkWindow unless gtk_window_set_auto_startup_notification() is called
1027 * to disable that feature.
1032 gdk_notify_startup_complete (void)
1034 GdkDisplay *display;
1035 GdkDisplayX11 *display_x11;
1039 display = gdk_display_get_default ();
1043 display_x11 = GDK_DISPLAY_X11 (display);
1045 if (display_x11->startup_notification_id == NULL)
1048 escaped_id = escape_for_xmessage (display_x11->startup_notification_id);
1049 message = g_strdup_printf ("remove: ID=%s", escaped_id);
1050 g_free (escaped_id);
1052 broadcast_xmessage (display,
1053 "_NET_STARTUP_INFO",
1054 "_NET_STARTUP_INFO_BEGIN",
1062 * gdk_display_supports_selection_notification:
1063 * @display: a #GdkDisplay
1065 * Returns whether #GdkEventOwnerChange events will be
1066 * sent when the owner of a selection changes.
1068 * Return value: whether #GdkEventOwnerChange events will
1074 gdk_display_supports_selection_notification (GdkDisplay *display)
1076 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
1078 return display_x11->have_xfixes;
1082 * gdk_display_request_selection_notification:
1083 * @display: a #GdkDisplay
1084 * @selection: the #GdkAtom naming the selection for which
1085 * ownership change notification is requested
1087 * Request #GdkEventOwnerChange events for ownership changes
1088 * of the selection named by the given atom.
1090 * Return value: whether #GdkEventOwnerChange events will
1095 gboolean gdk_display_request_selection_notification (GdkDisplay *display,
1100 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
1103 if (display_x11->have_xfixes)
1105 atom = gdk_x11_atom_to_xatom_for_display (display,
1107 XFixesSelectSelectionInput (display_x11->xdisplay,
1108 display_x11->leader_window,
1110 XFixesSetSelectionOwnerNotifyMask |
1111 XFixesSelectionWindowDestroyNotifyMask |
1112 XFixesSelectionClientCloseNotifyMask);
1121 * gdk_display_supports_clipboard_persistence
1122 * @display: a #GdkDisplay
1124 * Returns whether the speicifed display supports clipboard
1125 * persistance; i.e. if it's possible to store the clipboard data after an
1126 * application has quit. On X11 this checks if a clipboard daemon is
1129 * Returns: %TRUE if the display supports clipboard persistance.
1134 gdk_display_supports_clipboard_persistence (GdkDisplay *display)
1136 /* It might make sense to cache this */
1137 return XGetSelectionOwner (GDK_DISPLAY_X11 (display)->xdisplay,
1138 gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER")) != None;
1142 * gdk_display_store_clipboard
1143 * @display: a #GdkDisplay
1144 * @clipboard_window: a #GdkWindow belonging to the clipboard owner
1145 * @time_: a timestamp
1146 * @targets: an array of targets that should be saved, or %NULL
1147 * if all available targets should be saved.
1148 * @n_targets: length of the @targets array
1150 * Issues a request to the clipboard manager to store the
1151 * clipboard data. On X11, this is a special program that works
1152 * according to the freedesktop clipboard specification, available at
1153 * <ulink url="http://www.freedesktop.org/Standards/clipboard-manager-spec">
1154 * http://www.freedesktop.org/Standards/clipboard-manager-spec</ulink>.
1159 gdk_display_store_clipboard (GdkDisplay *display,
1160 GdkWindow *clipboard_window,
1165 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
1166 Atom clipboard_manager, save_targets;
1168 clipboard_manager = gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER");
1169 save_targets = gdk_x11_get_xatom_by_name_for_display (display, "SAVE_TARGETS");
1171 gdk_error_trap_push ();
1173 if (XGetSelectionOwner (display_x11->xdisplay, clipboard_manager) != None)
1175 Atom property_name = None;
1181 property_name = gdk_x11_atom_to_xatom_for_display (display, _gdk_selection_property);
1183 xatoms = g_new (Atom, n_targets);
1184 for (i = 0; i < n_targets; i++)
1185 xatoms[i] = gdk_x11_atom_to_xatom_for_display (display, targets[i]);
1187 XChangeProperty (display_x11->xdisplay, GDK_WINDOW_XID (clipboard_window),
1188 property_name, XA_ATOM,
1189 32, PropModeReplace, (guchar *)xatoms, n_targets);
1194 XConvertSelection (display_x11->xdisplay,
1195 clipboard_manager, save_targets, property_name,
1196 GDK_WINDOW_XID (clipboard_window), time_);
1199 gdk_error_trap_pop ();
1204 * gdk_x11_display_get_user_time:
1205 * @display: a #GdkDisplay
1207 * Returns the timestamp of the last user interaction on
1208 * @display. The timestamp is taken from events caused
1209 * by user interaction such as key presses or pointer
1210 * movements. See gdk_x11_window_set_user_time().
1212 * Returns: the timestamp of the last user interaction
1217 gdk_x11_display_get_user_time (GdkDisplay *display)
1219 return GDK_DISPLAY_X11 (display)->user_time;
1222 #define __GDK_DISPLAY_X11_C__
1223 #include "gdkaliasdef.c"