1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-2007 Peter Mattis, Spencer Kimball,
3 * Josh MacDonald, Ryan Lortie
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
22 * Modified by the GTK+ Team and others 1997-2007. See the AUTHORS
23 * file for a list of people on the GTK+ Team. See the ChangeLog
24 * files for a list of changes. These files are distributed with
25 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
31 #include "gdkprivate-x11.h"
32 #include "gdkinternals.h"
34 #include "gdkscreen-x11.h"
35 #include "gdkdisplay-x11.h"
38 #include "gdkkeysyms.h"
40 #include "xsettings-client.h"
44 #include "gdkinputprivate.h"
45 #include "gdksettings.c"
50 #include <X11/XKBlib.h>
54 #include <X11/extensions/sync.h>
58 #include <X11/extensions/Xfixes.h>
62 #include <X11/extensions/Xrandr.h>
65 #include <X11/Xatom.h>
67 typedef struct _GdkIOClosure GdkIOClosure;
68 typedef struct _GdkDisplaySource GdkDisplaySource;
69 typedef struct _GdkEventTypeX11 GdkEventTypeX11;
73 GdkInputFunction function;
74 GdkInputCondition condition;
75 GDestroyNotify notify;
79 struct _GdkDisplaySource
84 GPollFD event_poll_fd;
87 struct _GdkEventTypeX11
94 * Private function declarations
97 static gint gdk_event_apply_filters (XEvent *xevent,
100 static gboolean gdk_event_translate (GdkDisplay *display,
103 gboolean return_exposes);
105 static gboolean gdk_event_prepare (GSource *source,
107 static gboolean gdk_event_check (GSource *source);
108 static gboolean gdk_event_dispatch (GSource *source,
109 GSourceFunc callback,
112 static GdkFilterReturn gdk_wm_protocols_filter (GdkXEvent *xev,
116 static GSource *gdk_display_source_new (GdkDisplay *display);
117 static gboolean gdk_check_xpending (GdkDisplay *display);
119 static Bool gdk_xsettings_watch_cb (Window window,
123 static void gdk_xsettings_notify_cb (const char *name,
124 XSettingsAction action,
125 XSettingsSetting *setting,
128 /* Private variable declarations
131 static GList *display_sources;
133 static GSourceFuncs event_funcs = {
141 gdk_display_source_new (GdkDisplay *display)
143 GSource *source = g_source_new (&event_funcs, sizeof (GdkDisplaySource));
144 GdkDisplaySource *display_source = (GdkDisplaySource *)source;
146 display_source->display = display;
152 gdk_check_xpending (GdkDisplay *display)
154 return XPending (GDK_DISPLAY_XDISPLAY (display));
157 /*********************************************
158 * Functions for maintaining the event queue *
159 *********************************************/
162 refcounted_grab_server (Display *xdisplay)
164 GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
166 gdk_x11_display_grab (display);
170 refcounted_ungrab_server (Display *xdisplay)
172 GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
174 gdk_x11_display_ungrab (display);
178 _gdk_x11_events_init_screen (GdkScreen *screen)
180 GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
182 /* Keep a flag to avoid extra notifies that we don't need
184 screen_x11->xsettings_in_init = TRUE;
185 screen_x11->xsettings_client = xsettings_client_new_with_grab_funcs (screen_x11->xdisplay,
186 screen_x11->screen_num,
187 gdk_xsettings_notify_cb,
188 gdk_xsettings_watch_cb,
190 refcounted_grab_server,
191 refcounted_ungrab_server);
192 screen_x11->xsettings_in_init = FALSE;
196 _gdk_x11_events_uninit_screen (GdkScreen *screen)
198 GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
200 if (screen_x11->xsettings_client)
202 xsettings_client_destroy (screen_x11->xsettings_client);
203 screen_x11->xsettings_client = NULL;
208 _gdk_events_init (GdkDisplay *display)
211 GdkDisplaySource *display_source;
212 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
214 int connection_number = ConnectionNumber (display_x11->xdisplay);
215 GDK_NOTE (MISC, g_message ("connection number: %d", connection_number));
218 source = display_x11->event_source = gdk_display_source_new (display);
219 display_source = (GdkDisplaySource*) source;
220 g_source_set_priority (source, GDK_PRIORITY_EVENTS);
222 display_source->event_poll_fd.fd = connection_number;
223 display_source->event_poll_fd.events = G_IO_IN;
225 g_source_add_poll (source, &display_source->event_poll_fd);
226 g_source_set_can_recurse (source, TRUE);
227 g_source_attach (source, NULL);
229 display_sources = g_list_prepend (display_sources,display_source);
231 gdk_display_add_client_message_filter (display,
232 gdk_atom_intern_static_string ("WM_PROTOCOLS"),
233 gdk_wm_protocols_filter,
238 _gdk_events_uninit (GdkDisplay *display)
240 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
242 if (display_x11->event_source)
244 display_sources = g_list_remove (display_sources,
245 display_x11->event_source);
246 g_source_destroy (display_x11->event_source);
247 g_source_unref (display_x11->event_source);
248 display_x11->event_source = NULL;
253 * gdk_events_pending:
255 * Checks if any events are ready to be processed for any display.
257 * Return value: %TRUE if any events are pending.
260 gdk_events_pending (void)
264 for (tmp_list = display_sources; tmp_list; tmp_list = tmp_list->next)
266 GdkDisplaySource *tmp_source = tmp_list->data;
267 GdkDisplay *display = tmp_source->display;
269 if (_gdk_event_queue_find_first (display))
273 for (tmp_list = display_sources; tmp_list; tmp_list = tmp_list->next)
275 GdkDisplaySource *tmp_source = tmp_list->data;
276 GdkDisplay *display = tmp_source->display;
278 if (gdk_check_xpending (display))
286 graphics_expose_predicate (Display *display,
290 if (xevent->xany.window == GDK_DRAWABLE_XID ((GdkDrawable *)arg) &&
291 (xevent->xany.type == GraphicsExpose ||
292 xevent->xany.type == NoExpose))
299 * gdk_event_get_graphics_expose:
300 * @window: the #GdkWindow to wait for the events for.
302 * Waits for a GraphicsExpose or NoExpose event from the X server.
303 * This is used in the #GtkText and #GtkCList widgets in GTK+ to make sure any
304 * GraphicsExpose events are handled before the widget is scrolled.
306 * Return value: a #GdkEventExpose if a GraphicsExpose was received, or %NULL if a
307 * NoExpose event was received.
310 gdk_event_get_graphics_expose (GdkWindow *window)
315 g_return_val_if_fail (window != NULL, NULL);
317 XIfEvent (GDK_WINDOW_XDISPLAY (window), &xevent,
318 graphics_expose_predicate, (XPointer) window);
320 if (xevent.xany.type == GraphicsExpose)
322 event = gdk_event_new (GDK_NOTHING);
324 if (gdk_event_translate (GDK_WINDOW_DISPLAY (window), event,
328 gdk_event_free (event);
335 gdk_event_apply_filters (XEvent *xevent,
340 GdkFilterReturn result;
346 GdkEventFilter *filter = (GdkEventFilter*) tmp_list->data;
348 tmp_list = tmp_list->next;
349 result = filter->function (xevent, event, filter->data);
350 if (result != GDK_FILTER_CONTINUE)
354 return GDK_FILTER_CONTINUE;
358 * gdk_display_add_client_message_filter:
359 * @display: a #GdkDisplay for which this message filter applies
360 * @message_type: the type of ClientMessage events to receive.
361 * This will be checked against the @message_type field
362 * of the XClientMessage event struct.
363 * @func: the function to call to process the event.
364 * @data: user data to pass to @func.
366 * Adds a filter to be called when X ClientMessage events are received.
367 * See gdk_window_add_filter() if you are interested in filtering other
373 gdk_display_add_client_message_filter (GdkDisplay *display,
374 GdkAtom message_type,
378 GdkClientFilter *filter;
379 g_return_if_fail (GDK_IS_DISPLAY (display));
380 filter = g_new (GdkClientFilter, 1);
382 filter->type = message_type;
383 filter->function = func;
386 GDK_DISPLAY_X11(display)->client_filters =
387 g_list_append (GDK_DISPLAY_X11 (display)->client_filters,
392 * gdk_add_client_message_filter:
393 * @message_type: the type of ClientMessage events to receive. This will be
394 * checked against the <structfield>message_type</structfield> field of the
395 * XClientMessage event struct.
396 * @func: the function to call to process the event.
397 * @data: user data to pass to @func.
399 * Adds a filter to the default display to be called when X ClientMessage events
400 * are received. See gdk_display_add_client_message_filter().
403 gdk_add_client_message_filter (GdkAtom message_type,
407 gdk_display_add_client_message_filter (gdk_display_get_default (),
408 message_type, func, data);
412 do_net_wm_state_changes (GdkWindow *window)
414 GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
415 GdkWindowState old_state;
417 if (GDK_WINDOW_DESTROYED (window) ||
418 gdk_window_get_window_type (window) != GDK_WINDOW_TOPLEVEL)
421 old_state = gdk_window_get_state (window);
423 /* For found_sticky to remain TRUE, we have to also be on desktop
426 if (old_state & GDK_WINDOW_STATE_STICKY)
428 if (!(toplevel->have_sticky && toplevel->on_all_desktops))
429 gdk_synthesize_window_state (window,
430 GDK_WINDOW_STATE_STICKY,
435 if (toplevel->have_sticky || toplevel->on_all_desktops)
436 gdk_synthesize_window_state (window,
438 GDK_WINDOW_STATE_STICKY);
441 if (old_state & GDK_WINDOW_STATE_FULLSCREEN)
443 if (!toplevel->have_fullscreen)
444 gdk_synthesize_window_state (window,
445 GDK_WINDOW_STATE_FULLSCREEN,
450 if (toplevel->have_fullscreen)
451 gdk_synthesize_window_state (window,
453 GDK_WINDOW_STATE_FULLSCREEN);
456 /* Our "maximized" means both vertical and horizontal; if only one,
457 * we don't expose that via GDK
459 if (old_state & GDK_WINDOW_STATE_MAXIMIZED)
461 if (!(toplevel->have_maxvert && toplevel->have_maxhorz))
462 gdk_synthesize_window_state (window,
463 GDK_WINDOW_STATE_MAXIMIZED,
468 if (toplevel->have_maxvert && toplevel->have_maxhorz)
469 gdk_synthesize_window_state (window,
471 GDK_WINDOW_STATE_MAXIMIZED);
476 gdk_check_wm_desktop_changed (GdkWindow *window)
478 GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
479 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
489 gdk_error_trap_push ();
490 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
491 GDK_WINDOW_XID (window),
492 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"),
493 0, G_MAXLONG, False, XA_CARDINAL, &type,
495 &bytes_after, &data);
496 gdk_error_trap_pop ();
500 desktop = (gulong *)data;
501 toplevel->on_all_desktops = (*desktop == 0xFFFFFFFF);
505 toplevel->on_all_desktops = FALSE;
507 do_net_wm_state_changes (window);
511 gdk_check_wm_state_changed (GdkWindow *window)
513 GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
514 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
524 gboolean had_sticky = toplevel->have_sticky;
526 toplevel->have_sticky = FALSE;
527 toplevel->have_maxvert = FALSE;
528 toplevel->have_maxhorz = FALSE;
529 toplevel->have_fullscreen = FALSE;
532 gdk_error_trap_push ();
533 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
534 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"),
535 0, G_MAXLONG, False, XA_ATOM, &type, &format, &nitems,
536 &bytes_after, &data);
537 gdk_error_trap_pop ();
541 Atom sticky_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_STICKY");
542 Atom maxvert_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_VERT");
543 Atom maxhorz_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_HORZ");
544 Atom fullscreen_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_FULLSCREEN");
546 atoms = (Atom *)data;
551 if (atoms[i] == sticky_atom)
552 toplevel->have_sticky = TRUE;
553 else if (atoms[i] == maxvert_atom)
554 toplevel->have_maxvert = TRUE;
555 else if (atoms[i] == maxhorz_atom)
556 toplevel->have_maxhorz = TRUE;
557 else if (atoms[i] == fullscreen_atom)
558 toplevel->have_fullscreen = TRUE;
566 /* When have_sticky is turned on, we have to check the DESKTOP property
569 if (toplevel->have_sticky && !had_sticky)
570 gdk_check_wm_desktop_changed (window);
572 do_net_wm_state_changes (window);
575 #define HAS_FOCUS(toplevel) \
576 ((toplevel)->has_focus || (toplevel)->has_pointer_focus)
579 generate_focus_event (GdkWindow *window,
584 event.type = GDK_FOCUS_CHANGE;
585 event.focus_change.window = window;
586 event.focus_change.send_event = FALSE;
587 event.focus_change.in = in;
589 gdk_event_put (&event);
593 set_screen_from_root (GdkDisplay *display,
599 screen = _gdk_x11_display_screen_for_xrootwin (display, xrootwin);
603 gdk_event_set_screen (event, screen);
612 translate_key_event (GdkDisplay *display,
616 GdkKeymap *keymap = gdk_keymap_get_for_display (display);
620 event->key.type = xevent->xany.type == KeyPress ? GDK_KEY_PRESS : GDK_KEY_RELEASE;
621 event->key.time = xevent->xkey.time;
623 event->key.state = (GdkModifierType) xevent->xkey.state;
624 event->key.group = _gdk_x11_get_group_for_state (display, xevent->xkey.state);
625 event->key.hardware_keycode = xevent->xkey.keycode;
627 event->key.keyval = GDK_VoidSymbol;
629 gdk_keymap_translate_keyboard_state (keymap,
630 event->key.hardware_keycode,
636 _gdk_keymap_add_virtual_modifiers (keymap, &event->key.state);
637 event->key.is_modifier = _gdk_keymap_key_is_modifier (keymap, event->key.hardware_keycode);
639 /* Fill in event->string crudely, since various programs
642 event->key.string = NULL;
644 if (event->key.keyval != GDK_VoidSymbol)
645 c = gdk_keyval_to_unicode (event->key.keyval);
652 /* Apply the control key - Taken from Xlib
654 if (event->key.state & GDK_CONTROL_MASK)
656 if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F;
659 event->key.string = g_memdup ("\0\0", 2);
660 event->key.length = 1;
664 else if (c >= '3' && c <= '7') c -= ('3' - '\033');
665 else if (c == '8') c = '\177';
666 else if (c == '/') c = '_' & 0x1F;
669 len = g_unichar_to_utf8 (c, buf);
672 event->key.string = g_locale_from_utf8 (buf, len,
673 NULL, &bytes_written,
675 if (event->key.string)
676 event->key.length = bytes_written;
678 else if (event->key.keyval == GDK_Escape)
680 event->key.length = 1;
681 event->key.string = g_strdup ("\033");
683 else if (event->key.keyval == GDK_Return ||
684 event->key.keyval == GDK_KP_Enter)
686 event->key.length = 1;
687 event->key.string = g_strdup ("\r");
690 if (!event->key.string)
692 event->key.length = 0;
693 event->key.string = g_strdup ("");
697 #ifdef G_ENABLE_DEBUG
698 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
700 g_message ("%s:\t\twindow: %ld key: %12s %d",
701 event->type == GDK_KEY_PRESS ? "key press " : "key release",
703 event->key.keyval ? gdk_keyval_name (event->key.keyval) : "(none)",
706 if (event->key.length > 0)
707 g_message ("\t\tlength: %4d string: \"%s\"",
708 event->key.length, buf);
710 #endif /* G_ENABLE_DEBUG */
715 * gdk_x11_register_standard_event_type:
716 * @display: a #GdkDisplay
717 * @event_base: first event type code to register
718 * @n_events: number of event type codes to register
720 * Registers interest in receiving extension events with type codes
721 * between @event_base and <literal>event_base + n_events - 1</literal>.
722 * The registered events must have the window field in the same place
723 * as core X events (this is not the case for e.g. XKB extension events).
725 * If an event type is registered, events of this type will go through
726 * global and window-specific filters (see gdk_window_add_filter()).
727 * Unregistered events will only go through global filters.
728 * GDK may register the events of some X extensions on its own.
730 * This function should only be needed in unusual circumstances, e.g.
731 * when filtering XInput extension events on the root window.
736 gdk_x11_register_standard_event_type (GdkDisplay *display,
740 GdkEventTypeX11 *event_type;
741 GdkDisplayX11 *display_x11;
743 display_x11 = GDK_DISPLAY_X11 (display);
744 event_type = g_new (GdkEventTypeX11, 1);
746 event_type->base = event_base;
747 event_type->n_events = n_events;
749 display_x11->event_types = g_slist_prepend (display_x11->event_types, event_type);
752 /* Return the window this has to do with, if any, rather
753 * than the frame or root window that was selecting
757 get_real_window (GdkDisplay *display,
759 Window *event_window,
760 Window *filter_window)
762 /* Core events all have an event->xany.window field, but that's
763 * not true for extension events
765 if (event->type >= KeyPress &&
766 event->type <= MappingNotify)
768 *filter_window = event->xany.window;
772 *event_window = event->xcreatewindow.window;
775 *event_window = event->xdestroywindow.window;
778 *event_window = event->xunmap.window;
781 *event_window = event->xmap.window;
784 *event_window = event->xmaprequest.window;
787 *event_window = event->xreparent.window;
789 case ConfigureNotify:
790 *event_window = event->xconfigure.window;
792 case ConfigureRequest:
793 *event_window = event->xconfigurerequest.window;
796 *event_window = event->xgravity.window;
798 case CirculateNotify:
799 *event_window = event->xcirculate.window;
801 case CirculateRequest:
802 *event_window = event->xcirculaterequest.window;
805 *event_window = event->xany.window;
810 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
813 for (tmp_list = display_x11->event_types;
815 tmp_list = tmp_list->next)
817 GdkEventTypeX11 *event_type = tmp_list->data;
819 if (event->type >= event_type->base &&
820 event->type < event_type->base + event_type->n_events)
822 *event_window = event->xany.window;
823 *filter_window = event->xany.window;
828 *event_window = None;
829 *filter_window = None;
833 #ifdef G_ENABLE_DEBUG
834 static const char notify_modes[][19] = {
841 static const char notify_details[][23] = {
846 "NotifyNonlinearVirtual",
854 set_user_time (GdkWindow *window,
857 g_return_if_fail (event != NULL);
859 window = gdk_window_get_toplevel (event->client.window);
860 g_return_if_fail (GDK_IS_WINDOW (window));
862 /* If an event doesn't have a valid timestamp, we shouldn't use it
863 * to update the latest user interaction time.
865 if (gdk_event_get_time (event) != GDK_CURRENT_TIME)
866 gdk_x11_window_set_user_time (gdk_window_get_toplevel (window),
867 gdk_event_get_time (event));
871 is_parent_of (GdkWindow *parent,
882 w = gdk_window_get_parent (w);
889 gdk_event_translate (GdkDisplay *display,
892 gboolean return_exposes)
896 GdkWindowObject *window_private;
897 GdkWindow *filter_window;
898 GdkWindowImplX11 *window_impl = NULL;
900 GdkScreen *screen = NULL;
901 GdkScreenX11 *screen_x11 = NULL;
902 GdkToplevelX11 *toplevel = NULL;
903 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
904 Window xwindow, filter_xwindow;
905 int exposure_x_offset = 0;
906 int exposure_y_offset = 0;
907 GdkWindow *unref_pixmap = NULL;
911 /* init these, since the done: block uses them */
913 window_private = NULL;
914 event->any.window = NULL;
916 if (_gdk_default_filters)
918 /* Apply global filters */
919 GdkFilterReturn result;
920 result = gdk_event_apply_filters (xevent, event,
921 _gdk_default_filters);
923 if (result != GDK_FILTER_CONTINUE)
925 return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
930 /* Find the GdkWindow that this event relates to.
931 * Basically this means substructure events
932 * are reported same as structure events
934 get_real_window (display, xevent, &xwindow, &filter_xwindow);
936 window = gdk_window_lookup_for_display (display, xwindow);
938 /* We may receive events such as NoExpose/GraphicsExpose
939 * and ShmCompletion for pixmaps
941 if (window && !GDK_IS_WINDOW (window))
943 GdkPixmapObject *pixmap = (GdkPixmapObject *)window;
944 if ((xevent->type == GraphicsExpose ||
945 xevent->type == NoExpose) &&
946 GDK_IS_PIXMAP (window) &&
947 pixmap->backing_for != NULL)
949 /* Unref the pixmap once for each finished set of GraphicsExposes */
950 if (xevent->type == NoExpose ||
951 xevent->xgraphicsexpose.count == 0)
952 unref_pixmap = window;
953 window = g_object_ref (pixmap->backing_for);
954 exposure_x_offset = pixmap->backing_x_offset;
955 exposure_y_offset = pixmap->backing_y_offset;
960 window_private = (GdkWindowObject *) window;
962 /* We always run the filters for the window where the event
963 * is delivered, not the window that it relates to
965 if (filter_xwindow == xwindow)
966 filter_window = window;
969 filter_window = gdk_window_lookup_for_display (display, filter_xwindow);
970 if (filter_window && !GDK_IS_WINDOW (filter_window))
971 filter_window = NULL;
976 screen = GDK_WINDOW_SCREEN (window);
977 screen_x11 = GDK_SCREEN_X11 (screen);
978 toplevel = _gdk_x11_window_get_toplevel (window);
983 /* Apply keyboard grabs to non-native windows */
984 if (/* Is key event */
985 (xevent->type == KeyPress || xevent->type == KeyRelease) &&
986 /* And we have a grab */
987 display->keyboard_grab.window != NULL &&
989 /* The window is not a descendant of the grabbed window */
990 !is_parent_of ((GdkWindow *)display->keyboard_grab.window, window) ||
991 /* Or owner event is false */
992 !display->keyboard_grab.owner_events
996 /* Report key event against grab window */
997 window = display->keyboard_grab.window;;
998 window_private = (GdkWindowObject *) window;
1001 window_impl = GDK_WINDOW_IMPL_X11 (window_private->impl);
1003 /* Move key events on focus window to the real toplevel, and
1004 * filter out all other events on focus window
1006 if (toplevel && xwindow == toplevel->focus_window)
1008 switch (xevent->type)
1012 xwindow = GDK_WINDOW_XID (window);
1013 xevent->xany.window = xwindow;
1020 g_object_ref (window);
1023 event->any.window = window;
1024 event->any.send_event = xevent->xany.send_event ? TRUE : FALSE;
1026 if (window_private && GDK_WINDOW_DESTROYED (window))
1028 if (xevent->type != DestroyNotify)
1034 else if (filter_window)
1036 /* Apply per-window filters */
1037 GdkWindowObject *filter_private = (GdkWindowObject *) filter_window;
1038 GdkFilterReturn result;
1040 if (filter_private->filters)
1042 g_object_ref (filter_window);
1044 result = gdk_event_apply_filters (xevent, event,
1045 filter_private->filters);
1047 g_object_unref (filter_window);
1049 if (result != GDK_FILTER_CONTINUE)
1051 return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
1057 if (screen_x11 && screen_x11->wmspec_check_window != None &&
1058 xwindow == screen_x11->wmspec_check_window)
1060 if (xevent->type == DestroyNotify)
1062 screen_x11->wmspec_check_window = None;
1063 g_free (screen_x11->window_manager_name);
1064 screen_x11->window_manager_name = g_strdup ("unknown");
1066 /* careful, reentrancy */
1067 _gdk_x11_screen_window_manager_changed (GDK_SCREEN (screen_x11));
1070 /* Eat events on this window unless someone had wrapped
1071 * it as a foreign window
1081 (xevent->xany.type == MotionNotify ||
1082 xevent->xany.type == ButtonRelease))
1084 if (_gdk_moveresize_handle_event (xevent))
1091 /* We do a "manual" conversion of the XEvent to a
1092 * GdkEvent. The structures are mostly the same so
1093 * the conversion is fairly straightforward. We also
1094 * optionally print debugging info regarding events
1100 switch (xevent->type)
1103 if (window_private == NULL)
1108 translate_key_event (display, event, xevent);
1109 set_user_time (window, event);
1113 if (window_private == NULL)
1119 /* Emulate detectable auto-repeat by checking to see
1120 * if the next event is a key press with the same
1121 * keycode and timestamp, and if so, ignoring the event.
1124 if (!display_x11->have_xkb_autorepeat && XPending (xevent->xkey.display))
1128 XPeekEvent (xevent->xkey.display, &next_event);
1130 if (next_event.type == KeyPress &&
1131 next_event.xkey.keycode == xevent->xkey.keycode &&
1132 next_event.xkey.time == xevent->xkey.time)
1139 translate_key_event (display, event, xevent);
1144 g_message ("button press:\t\twindow: %ld x,y: %d %d button: %d",
1145 xevent->xbutton.window,
1146 xevent->xbutton.x, xevent->xbutton.y,
1147 xevent->xbutton.button));
1149 if (window_private == NULL ||
1150 ((window_private->extension_events != 0) &&
1151 display_x11->input_ignore_core))
1157 /* If we get a ButtonPress event where the button is 4 or 5,
1158 it's a Scroll event */
1159 switch (xevent->xbutton.button)
1165 event->scroll.type = GDK_SCROLL;
1167 if (xevent->xbutton.button == 4)
1168 event->scroll.direction = GDK_SCROLL_UP;
1169 else if (xevent->xbutton.button == 5)
1170 event->scroll.direction = GDK_SCROLL_DOWN;
1171 else if (xevent->xbutton.button == 6)
1172 event->scroll.direction = GDK_SCROLL_LEFT;
1174 event->scroll.direction = GDK_SCROLL_RIGHT;
1176 event->scroll.window = window;
1177 event->scroll.time = xevent->xbutton.time;
1178 event->scroll.x = xevent->xbutton.x;
1179 event->scroll.y = xevent->xbutton.y;
1180 event->scroll.x_root = (gfloat)xevent->xbutton.x_root;
1181 event->scroll.y_root = (gfloat)xevent->xbutton.y_root;
1182 event->scroll.state = (GdkModifierType) xevent->xbutton.state;
1183 event->scroll.device = display->core_pointer;
1185 if (!set_screen_from_root (display, event, xevent->xbutton.root))
1194 event->button.type = GDK_BUTTON_PRESS;
1195 event->button.window = window;
1196 event->button.time = xevent->xbutton.time;
1197 event->button.x = xevent->xbutton.x;
1198 event->button.y = xevent->xbutton.y;
1199 event->button.x_root = (gfloat)xevent->xbutton.x_root;
1200 event->button.y_root = (gfloat)xevent->xbutton.y_root;
1201 event->button.axes = NULL;
1202 event->button.state = (GdkModifierType) xevent->xbutton.state;
1203 event->button.button = xevent->xbutton.button;
1204 event->button.device = display->core_pointer;
1206 if (!set_screen_from_root (display, event, xevent->xbutton.root))
1214 set_user_time (window, event);
1216 /* We treat button presses as scroll wheel events, so don't expose
1217 * this grab to gtk, as it will be immediately released. If we do
1218 * expose it there is a short time before we receive the Release
1219 * where a client-side generated pointer motion event could be handled
1220 * as if the grab was effect.
1222 if (!(xevent->xbutton.button == 4 || xevent->xbutton.button == 5 ||
1223 xevent->xbutton.button == 6 || xevent->xbutton.button == 7))
1224 _gdk_xgrab_check_button_event (window, xevent);
1229 g_message ("button release:\twindow: %ld x,y: %d %d button: %d",
1230 xevent->xbutton.window,
1231 xevent->xbutton.x, xevent->xbutton.y,
1232 xevent->xbutton.button));
1234 if (window_private == NULL ||
1235 ((window_private->extension_events != 0) &&
1236 display_x11->input_ignore_core))
1242 /* We treat button presses as scroll wheel events, so ignore the release */
1243 if (xevent->xbutton.button == 4 || xevent->xbutton.button == 5 ||
1244 xevent->xbutton.button == 6 || xevent->xbutton.button ==7)
1250 event->button.type = GDK_BUTTON_RELEASE;
1251 event->button.window = window;
1252 event->button.time = xevent->xbutton.time;
1253 event->button.x = xevent->xbutton.x;
1254 event->button.y = xevent->xbutton.y;
1255 event->button.x_root = (gfloat)xevent->xbutton.x_root;
1256 event->button.y_root = (gfloat)xevent->xbutton.y_root;
1257 event->button.axes = NULL;
1258 event->button.state = (GdkModifierType) xevent->xbutton.state;
1259 event->button.button = xevent->xbutton.button;
1260 event->button.device = display->core_pointer;
1262 if (!set_screen_from_root (display, event, xevent->xbutton.root))
1265 _gdk_xgrab_check_button_event (window, xevent);
1271 g_message ("motion notify:\t\twindow: %ld x,y: %d %d hint: %s",
1272 xevent->xmotion.window,
1273 xevent->xmotion.x, xevent->xmotion.y,
1274 (xevent->xmotion.is_hint) ? "true" : "false"));
1276 if (window_private == NULL ||
1277 ((window_private->extension_events != 0) &&
1278 display_x11->input_ignore_core))
1284 event->motion.type = GDK_MOTION_NOTIFY;
1285 event->motion.window = window;
1286 event->motion.time = xevent->xmotion.time;
1287 event->motion.x = xevent->xmotion.x;
1288 event->motion.y = xevent->xmotion.y;
1289 event->motion.x_root = (gfloat)xevent->xmotion.x_root;
1290 event->motion.y_root = (gfloat)xevent->xmotion.y_root;
1291 event->motion.axes = NULL;
1292 event->motion.state = (GdkModifierType) xevent->xmotion.state;
1293 event->motion.is_hint = xevent->xmotion.is_hint;
1294 event->motion.device = display->core_pointer;
1296 if (!set_screen_from_root (display, event, xevent->xbutton.root))
1306 g_message ("enter notify:\t\twindow: %ld detail: %d subwin: %ld",
1307 xevent->xcrossing.window,
1308 xevent->xcrossing.detail,
1309 xevent->xcrossing.subwindow));
1311 if (window_private == NULL)
1317 if (!set_screen_from_root (display, event, xevent->xbutton.root))
1323 /* Handle focusing (in the case where no window manager is running */
1324 if (toplevel && xevent->xcrossing.detail != NotifyInferior)
1326 toplevel->has_pointer = TRUE;
1328 if (xevent->xcrossing.focus && !toplevel->has_focus_window)
1330 gboolean had_focus = HAS_FOCUS (toplevel);
1332 toplevel->has_pointer_focus = TRUE;
1334 if (HAS_FOCUS (toplevel) != had_focus)
1335 generate_focus_event (window, TRUE);
1339 /* Tell XInput stuff about it if appropriate */
1340 if (window_private &&
1341 !GDK_WINDOW_DESTROYED (window) &&
1342 window_private->extension_events != 0)
1343 _gdk_input_enter_event (&xevent->xcrossing, window);
1345 event->crossing.type = GDK_ENTER_NOTIFY;
1346 event->crossing.window = window;
1348 /* If the subwindow field of the XEvent is non-NULL, then
1349 * lookup the corresponding GdkWindow.
1351 if (xevent->xcrossing.subwindow != None)
1352 event->crossing.subwindow = gdk_window_lookup_for_display (display, xevent->xcrossing.subwindow);
1354 event->crossing.subwindow = NULL;
1356 event->crossing.time = xevent->xcrossing.time;
1357 event->crossing.x = xevent->xcrossing.x;
1358 event->crossing.y = xevent->xcrossing.y;
1359 event->crossing.x_root = xevent->xcrossing.x_root;
1360 event->crossing.y_root = xevent->xcrossing.y_root;
1362 /* Translate the crossing mode into Gdk terms.
1364 switch (xevent->xcrossing.mode)
1367 event->crossing.mode = GDK_CROSSING_NORMAL;
1370 event->crossing.mode = GDK_CROSSING_GRAB;
1373 event->crossing.mode = GDK_CROSSING_UNGRAB;
1377 /* Translate the crossing detail into Gdk terms.
1379 switch (xevent->xcrossing.detail)
1381 case NotifyInferior:
1382 event->crossing.detail = GDK_NOTIFY_INFERIOR;
1384 case NotifyAncestor:
1385 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
1388 event->crossing.detail = GDK_NOTIFY_VIRTUAL;
1390 case NotifyNonlinear:
1391 event->crossing.detail = GDK_NOTIFY_NONLINEAR;
1393 case NotifyNonlinearVirtual:
1394 event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
1397 event->crossing.detail = GDK_NOTIFY_UNKNOWN;
1401 event->crossing.focus = xevent->xcrossing.focus;
1402 event->crossing.state = xevent->xcrossing.state;
1408 g_message ("leave notify:\t\twindow: %ld detail: %d subwin: %ld",
1409 xevent->xcrossing.window,
1410 xevent->xcrossing.detail, xevent->xcrossing.subwindow));
1412 if (window_private == NULL)
1418 if (!set_screen_from_root (display, event, xevent->xbutton.root))
1424 /* Handle focusing (in the case where no window manager is running */
1425 if (toplevel && xevent->xcrossing.detail != NotifyInferior)
1427 toplevel->has_pointer = FALSE;
1429 if (xevent->xcrossing.focus && !toplevel->has_focus_window)
1431 gboolean had_focus = HAS_FOCUS (toplevel);
1433 toplevel->has_pointer_focus = FALSE;
1435 if (HAS_FOCUS (toplevel) != had_focus)
1436 generate_focus_event (window, FALSE);
1440 event->crossing.type = GDK_LEAVE_NOTIFY;
1441 event->crossing.window = window;
1443 /* If the subwindow field of the XEvent is non-NULL, then
1444 * lookup the corresponding GdkWindow.
1446 if (xevent->xcrossing.subwindow != None)
1447 event->crossing.subwindow = gdk_window_lookup_for_display (display, xevent->xcrossing.subwindow);
1449 event->crossing.subwindow = NULL;
1451 event->crossing.time = xevent->xcrossing.time;
1452 event->crossing.x = xevent->xcrossing.x;
1453 event->crossing.y = xevent->xcrossing.y;
1454 event->crossing.x_root = xevent->xcrossing.x_root;
1455 event->crossing.y_root = xevent->xcrossing.y_root;
1457 /* Translate the crossing mode into Gdk terms.
1459 switch (xevent->xcrossing.mode)
1462 event->crossing.mode = GDK_CROSSING_NORMAL;
1465 event->crossing.mode = GDK_CROSSING_GRAB;
1468 event->crossing.mode = GDK_CROSSING_UNGRAB;
1472 /* Translate the crossing detail into Gdk terms.
1474 switch (xevent->xcrossing.detail)
1476 case NotifyInferior:
1477 event->crossing.detail = GDK_NOTIFY_INFERIOR;
1479 case NotifyAncestor:
1480 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
1483 event->crossing.detail = GDK_NOTIFY_VIRTUAL;
1485 case NotifyNonlinear:
1486 event->crossing.detail = GDK_NOTIFY_NONLINEAR;
1488 case NotifyNonlinearVirtual:
1489 event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
1492 event->crossing.detail = GDK_NOTIFY_UNKNOWN;
1496 event->crossing.focus = xevent->xcrossing.focus;
1497 event->crossing.state = xevent->xcrossing.state;
1501 /* We only care about focus events that indicate that _this_
1502 * window (not a ancestor or child) got or lost the focus
1506 g_message ("focus in:\t\twindow: %ld, detail: %s, mode: %s",
1507 xevent->xfocus.window,
1508 notify_details[xevent->xfocus.detail],
1509 notify_modes[xevent->xfocus.mode]));
1513 gboolean had_focus = HAS_FOCUS (toplevel);
1515 switch (xevent->xfocus.detail)
1517 case NotifyAncestor:
1519 /* When the focus moves from an ancestor of the window to
1520 * the window or a descendent of the window, *and* the
1521 * pointer is inside the window, then we were previously
1522 * receiving keystroke events in the has_pointer_focus
1523 * case and are now receiving them in the
1524 * has_focus_window case.
1526 if (toplevel->has_pointer &&
1527 xevent->xfocus.mode != NotifyGrab &&
1528 xevent->xfocus.mode != NotifyUngrab)
1529 toplevel->has_pointer_focus = FALSE;
1532 case NotifyNonlinear:
1533 case NotifyNonlinearVirtual:
1534 if (xevent->xfocus.mode != NotifyGrab &&
1535 xevent->xfocus.mode != NotifyUngrab)
1536 toplevel->has_focus_window = TRUE;
1537 /* We pretend that the focus moves to the grab
1538 * window, so we pay attention to NotifyGrab
1539 * NotifyUngrab, and ignore NotifyWhileGrabbed
1541 if (xevent->xfocus.mode != NotifyWhileGrabbed)
1542 toplevel->has_focus = TRUE;
1545 /* The X server sends NotifyPointer/NotifyGrab,
1546 * but the pointer focus is ignored while a
1549 if (xevent->xfocus.mode != NotifyGrab &&
1550 xevent->xfocus.mode != NotifyUngrab)
1551 toplevel->has_pointer_focus = TRUE;
1553 case NotifyInferior:
1554 case NotifyPointerRoot:
1555 case NotifyDetailNone:
1559 if (HAS_FOCUS (toplevel) != had_focus)
1560 generate_focus_event (window, TRUE);
1565 g_message ("focus out:\t\twindow: %ld, detail: %s, mode: %s",
1566 xevent->xfocus.window,
1567 notify_details[xevent->xfocus.detail],
1568 notify_modes[xevent->xfocus.mode]));
1572 gboolean had_focus = HAS_FOCUS (toplevel);
1574 switch (xevent->xfocus.detail)
1576 case NotifyAncestor:
1578 /* When the focus moves from the window or a descendent
1579 * of the window to an ancestor of the window, *and* the
1580 * pointer is inside the window, then we were previously
1581 * receiving keystroke events in the has_focus_window
1582 * case and are now receiving them in the
1583 * has_pointer_focus case.
1585 if (toplevel->has_pointer &&
1586 xevent->xfocus.mode != NotifyGrab &&
1587 xevent->xfocus.mode != NotifyUngrab)
1588 toplevel->has_pointer_focus = TRUE;
1591 case NotifyNonlinear:
1592 case NotifyNonlinearVirtual:
1593 if (xevent->xfocus.mode != NotifyGrab &&
1594 xevent->xfocus.mode != NotifyUngrab)
1595 toplevel->has_focus_window = FALSE;
1596 if (xevent->xfocus.mode != NotifyWhileGrabbed)
1597 toplevel->has_focus = FALSE;
1600 if (xevent->xfocus.mode != NotifyGrab &&
1601 xevent->xfocus.mode != NotifyUngrab)
1602 toplevel->has_pointer_focus = FALSE;
1604 case NotifyInferior:
1605 case NotifyPointerRoot:
1606 case NotifyDetailNone:
1610 if (HAS_FOCUS (toplevel) != had_focus)
1611 generate_focus_event (window, FALSE);
1616 /* gdk_keyboard_grab() causes following events. These events confuse
1617 * the XIM focus, so ignore them.
1619 if (xevent->xfocus.mode == NotifyGrab ||
1620 xevent->xfocus.mode == NotifyUngrab)
1626 g_message ("keymap notify"));
1628 /* Not currently handled */
1634 g_message ("expose:\t\twindow: %ld %d x,y: %d %d w,h: %d %d%s",
1635 xevent->xexpose.window, xevent->xexpose.count,
1636 xevent->xexpose.x, xevent->xexpose.y,
1637 xevent->xexpose.width, xevent->xexpose.height,
1638 event->any.send_event ? " (send)" : ""));
1640 if (window_private == NULL)
1647 GdkRectangle expose_rect;
1649 expose_rect.x = xevent->xexpose.x;
1650 expose_rect.y = xevent->xexpose.y;
1651 expose_rect.width = xevent->xexpose.width;
1652 expose_rect.height = xevent->xexpose.height;
1656 event->expose.type = GDK_EXPOSE;
1657 event->expose.area = expose_rect;
1658 event->expose.region = gdk_region_rectangle (&expose_rect);
1659 event->expose.window = window;
1660 event->expose.count = xevent->xexpose.count;
1666 _gdk_window_process_expose (window, xevent->xexpose.serial, &expose_rect);
1675 case GraphicsExpose:
1677 GdkRectangle expose_rect;
1680 g_message ("graphics expose:\tdrawable: %ld",
1681 xevent->xgraphicsexpose.drawable));
1683 if (window_private == NULL)
1689 expose_rect.x = xevent->xgraphicsexpose.x + exposure_x_offset;
1690 expose_rect.y = xevent->xgraphicsexpose.y + exposure_y_offset;
1691 expose_rect.width = xevent->xgraphicsexpose.width;
1692 expose_rect.height = xevent->xgraphicsexpose.height;
1696 event->expose.type = GDK_EXPOSE;
1697 event->expose.area = expose_rect;
1698 event->expose.region = gdk_region_rectangle (&expose_rect);
1699 event->expose.window = window;
1700 event->expose.count = xevent->xgraphicsexpose.count;
1706 _gdk_window_process_expose (window, xevent->xgraphicsexpose.serial, &expose_rect);
1716 g_message ("no expose:\t\tdrawable: %ld",
1717 xevent->xnoexpose.drawable));
1719 event->no_expose.type = GDK_NO_EXPOSE;
1720 event->no_expose.window = window;
1724 case VisibilityNotify:
1725 #ifdef G_ENABLE_DEBUG
1726 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
1727 switch (xevent->xvisibility.state)
1729 case VisibilityFullyObscured:
1730 g_message ("visibility notify:\twindow: %ld none",
1731 xevent->xvisibility.window);
1733 case VisibilityPartiallyObscured:
1734 g_message ("visibility notify:\twindow: %ld partial",
1735 xevent->xvisibility.window);
1737 case VisibilityUnobscured:
1738 g_message ("visibility notify:\twindow: %ld full",
1739 xevent->xvisibility.window);
1742 #endif /* G_ENABLE_DEBUG */
1744 if (window_private == NULL)
1750 event->visibility.type = GDK_VISIBILITY_NOTIFY;
1751 event->visibility.window = window;
1753 switch (xevent->xvisibility.state)
1755 case VisibilityFullyObscured:
1756 event->visibility.state = GDK_VISIBILITY_FULLY_OBSCURED;
1759 case VisibilityPartiallyObscured:
1760 event->visibility.state = GDK_VISIBILITY_PARTIAL;
1763 case VisibilityUnobscured:
1764 event->visibility.state = GDK_VISIBILITY_UNOBSCURED;
1772 g_message ("create notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d parent: %ld ovr: %d",
1773 xevent->xcreatewindow.window,
1774 xevent->xcreatewindow.x,
1775 xevent->xcreatewindow.y,
1776 xevent->xcreatewindow.width,
1777 xevent->xcreatewindow.height,
1778 xevent->xcreatewindow.border_width,
1779 xevent->xcreatewindow.parent,
1780 xevent->xcreatewindow.override_redirect));
1781 /* not really handled */
1786 g_message ("destroy notify:\twindow: %ld",
1787 xevent->xdestroywindow.window));
1789 /* Ignore DestroyNotify from SubstructureNotifyMask */
1790 if (xevent->xdestroywindow.window == xevent->xdestroywindow.event)
1792 event->any.type = GDK_DESTROY;
1793 event->any.window = window;
1795 return_val = window_private && !GDK_WINDOW_DESTROYED (window);
1797 if (window && GDK_WINDOW_XID (window) != screen_x11->xroot_window)
1798 gdk_window_destroy_notify (window);
1807 g_message ("unmap notify:\t\twindow: %ld",
1808 xevent->xmap.window));
1810 event->any.type = GDK_UNMAP;
1811 event->any.window = window;
1813 /* If we are shown (not withdrawn) and get an unmap, it means we
1814 * were iconified in the X sense. If we are withdrawn, and get
1815 * an unmap, it means we hid the window ourselves, so we
1816 * will have already flipped the iconified bit off.
1820 if (GDK_WINDOW_IS_MAPPED (window))
1821 gdk_synthesize_window_state (window,
1823 GDK_WINDOW_STATE_ICONIFIED);
1825 _gdk_xgrab_check_unmap (window, xevent->xany.serial);
1832 g_message ("map notify:\t\twindow: %ld",
1833 xevent->xmap.window));
1835 event->any.type = GDK_MAP;
1836 event->any.window = window;
1838 /* Unset iconified if it was set */
1839 if (window && (((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_ICONIFIED))
1840 gdk_synthesize_window_state (window,
1841 GDK_WINDOW_STATE_ICONIFIED,
1846 case ReparentNotify:
1848 g_message ("reparent notify:\twindow: %ld x,y: %d %d parent: %ld ovr: %d",
1849 xevent->xreparent.window,
1850 xevent->xreparent.x,
1851 xevent->xreparent.y,
1852 xevent->xreparent.parent,
1853 xevent->xreparent.override_redirect));
1855 /* Not currently handled */
1859 case ConfigureNotify:
1861 g_message ("configure notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d above: %ld ovr: %d%s",
1862 xevent->xconfigure.window,
1863 xevent->xconfigure.x,
1864 xevent->xconfigure.y,
1865 xevent->xconfigure.width,
1866 xevent->xconfigure.height,
1867 xevent->xconfigure.border_width,
1868 xevent->xconfigure.above,
1869 xevent->xconfigure.override_redirect,
1872 : GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD
1873 ? " (discarding child)"
1874 : xevent->xconfigure.event != xevent->xconfigure.window
1875 ? " (discarding substructure)"
1877 if (window && GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
1879 window_private->width = xevent->xconfigure.width;
1880 window_private->height = xevent->xconfigure.height;
1882 _gdk_x11_drawable_update_size (window_private->impl);
1883 _gdk_x11_screen_size_changed (screen, xevent);
1887 xevent->xconfigure.event == xevent->xconfigure.window &&
1888 !GDK_WINDOW_DESTROYED (window) &&
1889 (window_private->extension_events != 0))
1890 _gdk_input_configure_event (&xevent->xconfigure, window);
1893 if (toplevel && display_x11->use_sync && !XSyncValueIsZero (toplevel->pending_counter_value))
1895 toplevel->current_counter_value = toplevel->pending_counter_value;
1896 XSyncIntToValue (&toplevel->pending_counter_value, 0);
1901 xevent->xconfigure.event != xevent->xconfigure.window ||
1902 GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ||
1903 GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
1907 event->configure.type = GDK_CONFIGURE;
1908 event->configure.window = window;
1909 event->configure.width = xevent->xconfigure.width;
1910 event->configure.height = xevent->xconfigure.height;
1912 if (!xevent->xconfigure.send_event &&
1913 !xevent->xconfigure.override_redirect &&
1914 !GDK_WINDOW_DESTROYED (window))
1918 Window child_window = 0;
1920 gdk_error_trap_push ();
1921 if (XTranslateCoordinates (GDK_DRAWABLE_XDISPLAY (window),
1922 GDK_DRAWABLE_XID (window),
1923 screen_x11->xroot_window,
1928 event->configure.x = tx;
1929 event->configure.y = ty;
1931 gdk_error_trap_pop ();
1935 event->configure.x = xevent->xconfigure.x;
1936 event->configure.y = xevent->xconfigure.y;
1938 window_private->x = event->configure.x;
1939 window_private->y = event->configure.y;
1940 window_private->width = xevent->xconfigure.width;
1941 window_private->height = xevent->xconfigure.height;
1943 _gdk_window_update_size (window);
1944 _gdk_x11_drawable_update_size (window_private->impl);
1946 if (window_private->resize_count >= 1)
1948 window_private->resize_count -= 1;
1950 if (window_private->resize_count == 0)
1951 _gdk_moveresize_configure_done (display, window);
1956 case PropertyNotify:
1958 g_message ("property notify:\twindow: %ld, atom(%ld): %s%s%s",
1959 xevent->xproperty.window,
1960 xevent->xproperty.atom,
1962 gdk_x11_get_xatom_name_for_display (display, xevent->xproperty.atom),
1965 if (window_private == NULL)
1971 /* We compare with the serial of the last time we mapped the
1972 * window to avoid refetching properties that we set ourselves
1975 xevent->xproperty.serial >= toplevel->map_serial)
1977 if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"))
1978 gdk_check_wm_state_changed (window);
1980 if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"))
1981 gdk_check_wm_desktop_changed (window);
1984 if (window_private->event_mask & GDK_PROPERTY_CHANGE_MASK)
1986 event->property.type = GDK_PROPERTY_NOTIFY;
1987 event->property.window = window;
1988 event->property.atom = gdk_x11_xatom_to_atom_for_display (display, xevent->xproperty.atom);
1989 event->property.time = xevent->xproperty.time;
1990 event->property.state = xevent->xproperty.state;
1997 case SelectionClear:
1999 g_message ("selection clear:\twindow: %ld",
2000 xevent->xproperty.window));
2002 if (_gdk_selection_filter_clear_event (&xevent->xselectionclear))
2004 event->selection.type = GDK_SELECTION_CLEAR;
2005 event->selection.window = window;
2006 event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionclear.selection);
2007 event->selection.time = xevent->xselectionclear.time;
2014 case SelectionRequest:
2016 g_message ("selection request:\twindow: %ld",
2017 xevent->xproperty.window));
2019 event->selection.type = GDK_SELECTION_REQUEST;
2020 event->selection.window = window;
2021 event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.selection);
2022 event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.target);
2023 event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.property);
2024 event->selection.requestor = xevent->xselectionrequest.requestor;
2025 event->selection.time = xevent->xselectionrequest.time;
2029 case SelectionNotify:
2031 g_message ("selection notify:\twindow: %ld",
2032 xevent->xproperty.window));
2035 event->selection.type = GDK_SELECTION_NOTIFY;
2036 event->selection.window = window;
2037 event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.selection);
2038 event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.target);
2039 event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.property);
2040 event->selection.time = xevent->xselection.time;
2044 case ColormapNotify:
2046 g_message ("colormap notify:\twindow: %ld",
2047 xevent->xcolormap.window));
2049 /* Not currently handled */
2056 GdkFilterReturn result = GDK_FILTER_CONTINUE;
2057 GdkAtom message_type = gdk_x11_xatom_to_atom_for_display (display, xevent->xclient.message_type);
2060 g_message ("client message:\twindow: %ld",
2061 xevent->xclient.window));
2063 tmp_list = display_x11->client_filters;
2066 GdkClientFilter *filter = tmp_list->data;
2067 tmp_list = tmp_list->next;
2069 if (filter->type == message_type)
2071 result = (*filter->function) (xevent, event, filter->data);
2072 if (result != GDK_FILTER_CONTINUE)
2079 case GDK_FILTER_REMOVE:
2082 case GDK_FILTER_TRANSLATE:
2085 case GDK_FILTER_CONTINUE:
2086 /* Send unknown ClientMessage's on to Gtk for it to use */
2087 if (window_private == NULL)
2093 event->client.type = GDK_CLIENT_EVENT;
2094 event->client.window = window;
2095 event->client.message_type = message_type;
2096 event->client.data_format = xevent->xclient.format;
2097 memcpy(&event->client.data, &xevent->xclient.data,
2098 sizeof(event->client.data));
2108 g_message ("mapping notify"));
2110 /* Let XLib know that there is a new keyboard mapping.
2112 XRefreshKeyboardMapping (&xevent->xmapping);
2113 _gdk_keymap_keys_changed (display);
2119 if (xevent->type == display_x11->xkb_event_type)
2121 XkbEvent *xkb_event = (XkbEvent *)xevent;
2123 switch (xkb_event->any.xkb_type)
2125 case XkbNewKeyboardNotify:
2127 _gdk_keymap_keys_changed (display);
2132 case XkbStateNotify:
2133 _gdk_keymap_state_changed (display, xevent);
2140 if (xevent->type - display_x11->xfixes_event_base == XFixesSelectionNotify)
2142 XFixesSelectionNotifyEvent *selection_notify = (XFixesSelectionNotifyEvent *)xevent;
2144 _gdk_x11_screen_process_owner_change (screen, xevent);
2146 event->owner_change.type = GDK_OWNER_CHANGE;
2147 event->owner_change.window = window;
2148 event->owner_change.owner = selection_notify->owner;
2149 event->owner_change.reason = selection_notify->subtype;
2150 event->owner_change.selection =
2151 gdk_x11_xatom_to_atom_for_display (display,
2152 selection_notify->selection);
2153 event->owner_change.time = selection_notify->timestamp;
2154 event->owner_change.selection_time = selection_notify->selection_timestamp;
2161 if (xevent->type - display_x11->xrandr_event_base == RRScreenChangeNotify ||
2162 xevent->type - display_x11->xrandr_event_base == RRNotify)
2165 _gdk_x11_screen_size_changed (screen, xevent);
2169 #if defined(HAVE_XCOMPOSITE) && defined (HAVE_XDAMAGE) && defined (HAVE_XFIXES)
2170 if (display_x11->have_xdamage && window_private && window_private->composited &&
2171 xevent->type == display_x11->xdamage_event_base + XDamageNotify &&
2172 ((XDamageNotifyEvent *) xevent)->damage == window_impl->damage)
2174 XDamageNotifyEvent *damage_event = (XDamageNotifyEvent *) xevent;
2175 XserverRegion repair;
2178 rect.x = window_private->x + damage_event->area.x;
2179 rect.y = window_private->y + damage_event->area.y;
2180 rect.width = damage_event->area.width;
2181 rect.height = damage_event->area.height;
2183 repair = XFixesCreateRegion (display_x11->xdisplay,
2184 &damage_event->area, 1);
2185 XDamageSubtract (display_x11->xdisplay,
2186 window_impl->damage,
2188 XFixesDestroyRegion (display_x11->xdisplay, repair);
2190 if (window_private->parent != NULL)
2191 _gdk_window_process_expose (GDK_WINDOW (window_private->parent),
2192 damage_event->serial, &rect);
2199 /* something else - (e.g., a Xinput event) */
2201 if (window_private &&
2202 !GDK_WINDOW_DESTROYED (window_private) &&
2203 (window_private->extension_events != 0))
2204 return_val = _gdk_input_other_event(event, xevent, window);
2215 if (event->any.window)
2216 g_object_ref (event->any.window);
2217 if (((event->any.type == GDK_ENTER_NOTIFY) ||
2218 (event->any.type == GDK_LEAVE_NOTIFY)) &&
2219 (event->crossing.subwindow != NULL))
2220 g_object_ref (event->crossing.subwindow);
2224 /* Mark this event as having no resources to be freed */
2225 event->any.window = NULL;
2226 event->any.type = GDK_NOTHING;
2230 g_object_unref (window);
2233 g_object_unref (unref_pixmap);
2238 static GdkFilterReturn
2239 gdk_wm_protocols_filter (GdkXEvent *xev,
2243 XEvent *xevent = (XEvent *)xev;
2244 GdkWindow *win = event->any.window;
2245 GdkDisplay *display;
2249 return GDK_FILTER_REMOVE;
2251 display = GDK_WINDOW_DISPLAY (win);
2252 atom = (Atom)xevent->xclient.data.l[0];
2254 if (atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
2256 /* The delete window request specifies a window
2257 * to delete. We don't actually destroy the
2258 * window because "it is only a request". (The
2259 * window might contain vital data that the
2260 * program does not want destroyed). Instead
2261 * the event is passed along to the program,
2262 * which should then destroy the window.
2265 g_message ("delete window:\t\twindow: %ld",
2266 xevent->xclient.window));
2268 event->any.type = GDK_DELETE;
2270 gdk_x11_window_set_user_time (win, xevent->xclient.data.l[1]);
2272 return GDK_FILTER_TRANSLATE;
2274 else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS"))
2276 GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (event->any.window);
2277 GdkWindowObject *private = (GdkWindowObject *)win;
2279 /* There is no way of knowing reliably whether we are viewable;
2280 * _gdk_x11_set_input_focus_safe() traps errors asynchronously.
2282 if (toplevel && private->accept_focus)
2283 _gdk_x11_set_input_focus_safe (display, toplevel->focus_window,
2285 xevent->xclient.data.l[1]);
2287 return GDK_FILTER_REMOVE;
2289 else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING") &&
2290 !_gdk_x11_display_is_root_window (display,
2291 xevent->xclient.window))
2293 XClientMessageEvent xclient = xevent->xclient;
2295 xclient.window = GDK_WINDOW_XROOTWIN (win);
2296 XSendEvent (GDK_WINDOW_XDISPLAY (win),
2299 SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&xclient);
2301 return GDK_FILTER_REMOVE;
2303 else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_SYNC_REQUEST") &&
2304 GDK_DISPLAY_X11 (display)->use_sync)
2306 GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (event->any.window);
2310 XSyncIntsToValue (&toplevel->pending_counter_value,
2311 xevent->xclient.data.l[2],
2312 xevent->xclient.data.l[3]);
2315 return GDK_FILTER_REMOVE;
2318 return GDK_FILTER_CONTINUE;
2322 _gdk_events_queue (GdkDisplay *display)
2327 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
2329 while (!_gdk_event_queue_find_first(display) && XPending (xdisplay))
2331 XNextEvent (xdisplay, &xevent);
2333 switch (xevent.type)
2339 if (XFilterEvent (&xevent, None))
2343 event = gdk_event_new (GDK_NOTHING);
2345 event->any.window = NULL;
2346 event->any.send_event = xevent.xany.send_event ? TRUE : FALSE;
2348 ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING;
2350 node = _gdk_event_queue_append (display, event);
2352 if (gdk_event_translate (display, event, &xevent, FALSE))
2354 ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING;
2355 _gdk_windowing_got_event (display, node, event, xevent.xany.serial);
2359 _gdk_event_queue_remove_link (display, node);
2360 g_list_free_1 (node);
2361 gdk_event_free (event);
2367 gdk_event_prepare (GSource *source,
2370 GdkDisplay *display = ((GdkDisplaySource*)source)->display;
2373 GDK_THREADS_ENTER ();
2376 retval = (_gdk_event_queue_find_first (display) != NULL ||
2377 gdk_check_xpending (display));
2379 GDK_THREADS_LEAVE ();
2385 gdk_event_check (GSource *source)
2387 GdkDisplaySource *display_source = (GdkDisplaySource*)source;
2390 GDK_THREADS_ENTER ();
2392 if (display_source->event_poll_fd.revents & G_IO_IN)
2393 retval = (_gdk_event_queue_find_first (display_source->display) != NULL ||
2394 gdk_check_xpending (display_source->display));
2398 GDK_THREADS_LEAVE ();
2404 gdk_event_dispatch (GSource *source,
2405 GSourceFunc callback,
2408 GdkDisplay *display = ((GdkDisplaySource*)source)->display;
2411 GDK_THREADS_ENTER ();
2413 _gdk_events_queue (display);
2414 event = _gdk_event_unqueue (display);
2418 if (_gdk_event_func)
2419 (*_gdk_event_func) (event, _gdk_event_data);
2421 gdk_event_free (event);
2424 GDK_THREADS_LEAVE ();
2430 * gdk_event_send_client_message_for_display:
2431 * @display: the #GdkDisplay for the window where the message is to be sent.
2432 * @event: the #GdkEvent to send, which should be a #GdkEventClient.
2433 * @winid: the window to send the client message to.
2435 * On X11, sends an X ClientMessage event to a given window. On
2436 * Windows, sends a message registered with the name
2437 * GDK_WIN32_CLIENT_MESSAGE.
2439 * This could be used for communicating between different
2440 * applications, though the amount of data is limited to 20 bytes on
2441 * X11, and to just four bytes on Windows.
2443 * Returns: non-zero on success.
2448 gdk_event_send_client_message_for_display (GdkDisplay *display,
2450 GdkNativeWindow winid)
2454 g_return_val_if_fail(event != NULL, FALSE);
2456 /* Set up our event to send, with the exception of its target window */
2457 sev.xclient.type = ClientMessage;
2458 sev.xclient.display = GDK_DISPLAY_XDISPLAY (display);
2459 sev.xclient.format = event->client.data_format;
2460 sev.xclient.window = winid;
2461 memcpy(&sev.xclient.data, &event->client.data, sizeof (sev.xclient.data));
2462 sev.xclient.message_type = gdk_x11_atom_to_xatom_for_display (display, event->client.message_type);
2464 return _gdk_send_xevent (display, winid, False, NoEventMask, &sev);
2469 /* Sends a ClientMessage to all toplevel client windows */
2471 gdk_event_send_client_message_to_all_recurse (GdkDisplay *display,
2478 unsigned long nitems, after;
2479 unsigned char *data;
2480 Window *ret_children, ret_root, ret_parent;
2481 unsigned int ret_nchildren;
2482 gboolean send = FALSE;
2483 gboolean found = FALSE;
2484 gboolean result = FALSE;
2487 gdk_error_trap_push ();
2489 if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), xid,
2490 gdk_x11_get_xatom_by_name_for_display (display, "WM_STATE"),
2491 0, 0, False, AnyPropertyType,
2492 &type, &format, &nitems, &after, &data) != Success)
2502 /* OK, we're all set, now let's find some windows to send this to */
2503 if (!XQueryTree (GDK_DISPLAY_XDISPLAY (display), xid,
2504 &ret_root, &ret_parent,
2505 &ret_children, &ret_nchildren))
2508 for(i = 0; i < ret_nchildren; i++)
2509 if (gdk_event_send_client_message_to_all_recurse (display, xev, ret_children[i], level + 1))
2512 XFree (ret_children);
2515 if (send || (!found && (level == 1)))
2517 xev->xclient.window = xid;
2518 _gdk_send_xevent (display, xid, False, NoEventMask, xev);
2521 result = send || found;
2524 gdk_error_trap_pop ();
2530 * gdk_screen_broadcast_client_message:
2531 * @screen: the #GdkScreen where the event will be broadcasted.
2532 * @event: the #GdkEvent.
2534 * On X11, sends an X ClientMessage event to all toplevel windows on
2537 * Toplevel windows are determined by checking for the WM_STATE property,
2538 * as described in the Inter-Client Communication Conventions Manual (ICCCM).
2539 * If no windows are found with the WM_STATE property set, the message is
2540 * sent to all children of the root window.
2542 * On Windows, broadcasts a message registered with the name
2543 * GDK_WIN32_CLIENT_MESSAGE to all top-level windows. The amount of
2544 * data is limited to one long, i.e. four bytes.
2550 gdk_screen_broadcast_client_message (GdkScreen *screen,
2554 GdkWindow *root_window;
2556 g_return_if_fail (event != NULL);
2558 root_window = gdk_screen_get_root_window (screen);
2560 /* Set up our event to send, with the exception of its target window */
2561 sev.xclient.type = ClientMessage;
2562 sev.xclient.display = GDK_WINDOW_XDISPLAY (root_window);
2563 sev.xclient.format = event->client.data_format;
2564 memcpy(&sev.xclient.data, &event->client.data, sizeof (sev.xclient.data));
2565 sev.xclient.message_type =
2566 gdk_x11_atom_to_xatom_for_display (GDK_WINDOW_DISPLAY (root_window),
2567 event->client.message_type);
2569 gdk_event_send_client_message_to_all_recurse (gdk_screen_get_display (screen),
2571 GDK_WINDOW_XID (root_window),
2576 *--------------------------------------------------------------
2579 * Flushes the Xlib output buffer and then waits
2580 * until all requests have been received and processed
2581 * by the X server. The only real use for this function
2582 * is in dealing with XShm.
2590 *--------------------------------------------------------------
2596 GSList *tmp_list = _gdk_displays;
2600 XSync (GDK_DISPLAY_XDISPLAY (tmp_list->data), False);
2601 tmp_list = tmp_list->next;
2606 timestamp_predicate (Display *display,
2610 Window xwindow = GPOINTER_TO_UINT (arg);
2611 GdkDisplay *gdk_display = gdk_x11_lookup_xdisplay (display);
2613 if (xevent->type == PropertyNotify &&
2614 xevent->xproperty.window == xwindow &&
2615 xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (gdk_display,
2616 "GDK_TIMESTAMP_PROP"))
2623 * gdk_x11_get_server_time:
2624 * @window: a #GdkWindow, used for communication with the server.
2625 * The window must have GDK_PROPERTY_CHANGE_MASK in its
2626 * events mask or a hang will result.
2628 * Routine to get the current X server time stamp.
2630 * Return value: the time stamp.
2633 gdk_x11_get_server_time (GdkWindow *window)
2639 Atom timestamp_prop_atom;
2641 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
2642 g_return_val_if_fail (!GDK_WINDOW_DESTROYED (window), 0);
2644 xdisplay = GDK_WINDOW_XDISPLAY (window);
2645 xwindow = GDK_WINDOW_XWINDOW (window);
2646 timestamp_prop_atom =
2647 gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
2648 "GDK_TIMESTAMP_PROP");
2650 XChangeProperty (xdisplay, xwindow, timestamp_prop_atom,
2651 timestamp_prop_atom,
2652 8, PropModeReplace, &c, 1);
2654 XIfEvent (xdisplay, &xevent,
2655 timestamp_predicate, GUINT_TO_POINTER(xwindow));
2657 return xevent.xproperty.time;
2661 fetch_net_wm_check_window (GdkScreen *screen)
2663 GdkScreenX11 *screen_x11;
2664 GdkDisplay *display;
2673 screen_x11 = GDK_SCREEN_X11 (screen);
2674 display = screen_x11->display;
2676 g_return_if_fail (GDK_DISPLAY_X11 (display)->trusted_client);
2678 g_get_current_time (&tv);
2680 if (ABS (tv.tv_sec - screen_x11->last_wmspec_check_time) < 15)
2681 return; /* we've checked recently */
2683 screen_x11->last_wmspec_check_time = tv.tv_sec;
2686 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), screen_x11->xroot_window,
2687 gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTING_WM_CHECK"),
2688 0, G_MAXLONG, False, XA_WINDOW, &type, &format,
2689 &n_items, &bytes_after, &data);
2691 if (type != XA_WINDOW)
2698 xwindow = (Window *)data;
2700 if (screen_x11->wmspec_check_window == *xwindow)
2706 gdk_error_trap_push ();
2708 /* Find out if this WM goes away, so we can reset everything. */
2709 XSelectInput (screen_x11->xdisplay, *xwindow, StructureNotifyMask);
2710 gdk_display_sync (display);
2712 if (gdk_error_trap_pop () == Success)
2714 screen_x11->wmspec_check_window = *xwindow;
2715 screen_x11->need_refetch_net_supported = TRUE;
2716 screen_x11->need_refetch_wm_name = TRUE;
2718 /* Careful, reentrancy */
2719 _gdk_x11_screen_window_manager_changed (GDK_SCREEN (screen_x11));
2726 * gdk_x11_screen_get_window_manager_name:
2727 * @screen: a #GdkScreen
2729 * Returns the name of the window manager for @screen.
2731 * Return value: the name of the window manager screen @screen, or
2732 * "unknown" if the window manager is unknown. The string is owned by GDK
2733 * and should not be freed.
2738 gdk_x11_screen_get_window_manager_name (GdkScreen *screen)
2740 GdkScreenX11 *screen_x11;
2742 screen_x11 = GDK_SCREEN_X11 (screen);
2744 if (!G_LIKELY (GDK_DISPLAY_X11 (screen_x11->display)->trusted_client))
2745 return screen_x11->window_manager_name;
2747 fetch_net_wm_check_window (screen);
2749 if (screen_x11->need_refetch_wm_name)
2751 /* Get the name of the window manager */
2752 screen_x11->need_refetch_wm_name = FALSE;
2754 g_free (screen_x11->window_manager_name);
2755 screen_x11->window_manager_name = g_strdup ("unknown");
2757 if (screen_x11->wmspec_check_window != None)
2767 gdk_error_trap_push ();
2769 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (screen_x11->display),
2770 screen_x11->wmspec_check_window,
2771 gdk_x11_get_xatom_by_name_for_display (screen_x11->display,
2773 0, G_MAXLONG, False,
2774 gdk_x11_get_xatom_by_name_for_display (screen_x11->display,
2777 &n_items, &bytes_after,
2780 gdk_display_sync (screen_x11->display);
2782 gdk_error_trap_pop ();
2786 g_free (screen_x11->window_manager_name);
2787 screen_x11->window_manager_name = g_strdup (name);
2793 return GDK_SCREEN_X11 (screen)->window_manager_name;
2796 typedef struct _NetWmSupportedAtoms NetWmSupportedAtoms;
2798 struct _NetWmSupportedAtoms
2805 cleanup_atoms(gpointer data)
2807 NetWmSupportedAtoms *supported_atoms = data;
2808 if (supported_atoms->atoms)
2809 XFree (supported_atoms->atoms);
2810 g_free (supported_atoms);
2814 * gdk_x11_screen_supports_net_wm_hint:
2815 * @screen: the relevant #GdkScreen.
2816 * @property: a property atom.
2818 * This function is specific to the X11 backend of GDK, and indicates
2819 * whether the window manager supports a certain hint from the
2820 * Extended Window Manager Hints Specification. You can find this
2822 * <ulink url="http://www.freedesktop.org">http://www.freedesktop.org</ulink>.
2824 * When using this function, keep in mind that the window manager
2825 * can change over time; so you shouldn't use this function in
2826 * a way that impacts persistent application state. A common bug
2827 * is that your application can start up before the window manager
2828 * does when the user logs in, and before the window manager starts
2829 * gdk_x11_screen_supports_net_wm_hint() will return %FALSE for every property.
2830 * You can monitor the window_manager_changed signal on #GdkScreen to detect
2831 * a window manager change.
2833 * Return value: %TRUE if the window manager supports @property
2838 gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen,
2842 GdkScreenX11 *screen_x11;
2843 NetWmSupportedAtoms *supported_atoms;
2844 GdkDisplay *display;
2846 g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
2848 screen_x11 = GDK_SCREEN_X11 (screen);
2849 display = screen_x11->display;
2851 if (!G_LIKELY (GDK_DISPLAY_X11 (display)->trusted_client))
2854 supported_atoms = g_object_get_data (G_OBJECT (screen), "gdk-net-wm-supported-atoms");
2855 if (!supported_atoms)
2857 supported_atoms = g_new0 (NetWmSupportedAtoms, 1);
2858 g_object_set_data_full (G_OBJECT (screen), "gdk-net-wm-supported-atoms", supported_atoms, cleanup_atoms);
2861 fetch_net_wm_check_window (screen);
2863 if (screen_x11->wmspec_check_window == None)
2866 if (screen_x11->need_refetch_net_supported)
2868 /* WM has changed since we last got the supported list,
2875 screen_x11->need_refetch_net_supported = FALSE;
2877 if (supported_atoms->atoms)
2878 XFree (supported_atoms->atoms);
2880 supported_atoms->atoms = NULL;
2881 supported_atoms->n_atoms = 0;
2883 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), screen_x11->xroot_window,
2884 gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTED"),
2885 0, G_MAXLONG, False, XA_ATOM, &type, &format,
2886 &supported_atoms->n_atoms, &bytes_after,
2887 (guchar **)&supported_atoms->atoms);
2889 if (type != XA_ATOM)
2893 if (supported_atoms->atoms == NULL)
2897 while (i < supported_atoms->n_atoms)
2899 if (supported_atoms->atoms[i] == gdk_x11_atom_to_xatom_for_display (display, property))
2909 * gdk_net_wm_supports:
2910 * @property: a property atom.
2912 * This function is specific to the X11 backend of GDK, and indicates
2913 * whether the window manager for the default screen supports a certain
2914 * hint from the Extended Window Manager Hints Specification. See
2915 * gdk_x11_screen_supports_net_wm_hint() for complete details.
2917 * Return value: %TRUE if the window manager supports @property
2920 gdk_net_wm_supports (GdkAtom property)
2922 return gdk_x11_screen_supports_net_wm_hint (gdk_screen_get_default (), property);
2927 gdk_xsettings_notify_cb (const char *name,
2928 XSettingsAction action,
2929 XSettingsSetting *setting,
2933 GdkScreen *screen = data;
2934 GdkScreenX11 *screen_x11 = data;
2937 if (screen_x11->xsettings_in_init)
2940 new_event.type = GDK_SETTING;
2941 new_event.setting.window = gdk_screen_get_root_window (screen);
2942 new_event.setting.send_event = FALSE;
2943 new_event.setting.name = NULL;
2945 for (i = 0; i < GDK_SETTINGS_N_ELEMENTS() ; i++)
2946 if (strcmp (GDK_SETTINGS_X_NAME (i), name) == 0)
2948 new_event.setting.name = (char*) GDK_SETTINGS_GDK_NAME (i);
2952 if (!new_event.setting.name)
2957 case XSETTINGS_ACTION_NEW:
2958 new_event.setting.action = GDK_SETTING_ACTION_NEW;
2960 case XSETTINGS_ACTION_CHANGED:
2961 new_event.setting.action = GDK_SETTING_ACTION_CHANGED;
2963 case XSETTINGS_ACTION_DELETED:
2964 new_event.setting.action = GDK_SETTING_ACTION_DELETED;
2968 gdk_event_put (&new_event);
2972 check_transform (const gchar *xsettings_name,
2976 if (!g_value_type_transformable (src_type, dest_type))
2978 g_warning ("Cannot transform xsetting %s of type %s to type %s\n",
2980 g_type_name (src_type),
2981 g_type_name (dest_type));
2989 * gdk_screen_get_setting:
2990 * @screen: the #GdkScreen where the setting is located
2991 * @name: the name of the setting
2992 * @value: location to store the value of the setting
2994 * Retrieves a desktop-wide setting such as double-click time
2995 * for the #GdkScreen @screen.
2997 * FIXME needs a list of valid settings here, or a link to
3000 * Returns: %TRUE if the setting existed and a value was stored
3001 * in @value, %FALSE otherwise.
3006 gdk_screen_get_setting (GdkScreen *screen,
3011 const char *xsettings_name = NULL;
3012 XSettingsResult result;
3013 XSettingsSetting *setting = NULL;
3014 GdkScreenX11 *screen_x11;
3015 gboolean success = FALSE;
3017 GValue tmp_val = { 0, };
3019 g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
3021 screen_x11 = GDK_SCREEN_X11 (screen);
3023 for (i = 0; i < GDK_SETTINGS_N_ELEMENTS(); i++)
3024 if (strcmp (GDK_SETTINGS_GDK_NAME (i), name) == 0)
3026 xsettings_name = GDK_SETTINGS_X_NAME (i);
3030 if (!xsettings_name)
3033 result = xsettings_client_get_setting (screen_x11->xsettings_client,
3034 xsettings_name, &setting);
3035 if (result != XSETTINGS_SUCCESS)
3038 switch (setting->type)
3040 case XSETTINGS_TYPE_INT:
3041 if (check_transform (xsettings_name, G_TYPE_INT, G_VALUE_TYPE (value)))
3043 g_value_init (&tmp_val, G_TYPE_INT);
3044 g_value_set_int (&tmp_val, setting->data.v_int);
3045 g_value_transform (&tmp_val, value);
3050 case XSETTINGS_TYPE_STRING:
3051 if (check_transform (xsettings_name, G_TYPE_STRING, G_VALUE_TYPE (value)))
3053 g_value_init (&tmp_val, G_TYPE_STRING);
3054 g_value_set_string (&tmp_val, setting->data.v_string);
3055 g_value_transform (&tmp_val, value);
3060 case XSETTINGS_TYPE_COLOR:
3061 if (!check_transform (xsettings_name, GDK_TYPE_COLOR, G_VALUE_TYPE (value)))
3065 g_value_init (&tmp_val, GDK_TYPE_COLOR);
3068 color.red = setting->data.v_color.red;
3069 color.green = setting->data.v_color.green;
3070 color.blue = setting->data.v_color.blue;
3072 g_value_set_boxed (&tmp_val, &color);
3074 g_value_transform (&tmp_val, value);
3081 g_value_unset (&tmp_val);
3085 xsettings_setting_free (setting);
3090 return _gdk_x11_get_xft_setting (screen, name, value);
3093 static GdkFilterReturn
3094 gdk_xsettings_client_event_filter (GdkXEvent *xevent,
3098 GdkScreenX11 *screen = data;
3100 if (xsettings_client_process_event (screen->xsettings_client, (XEvent *)xevent))
3101 return GDK_FILTER_REMOVE;
3103 return GDK_FILTER_CONTINUE;
3107 gdk_xsettings_watch_cb (Window window,
3113 GdkScreen *screen = cb_data;
3115 gdkwin = gdk_window_lookup_for_display (gdk_screen_get_display (screen), window);
3120 g_object_ref (gdkwin);
3123 gdkwin = gdk_window_foreign_new_for_display (gdk_screen_get_display (screen), window);
3125 /* gdk_window_foreign_new_for_display() can fail and return NULL if the
3126 * window has already been destroyed.
3132 gdk_window_add_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
3138 /* gdkwin should not be NULL here, since if starting the watch succeeded
3139 * we have a reference on the window. It might mean that the caller didn't
3140 * remove the watch when it got a DestroyNotify event. Or maybe the
3141 * caller ignored the return value when starting the watch failed.
3143 g_warning ("gdk_xsettings_watch_cb(): Couldn't find window to unwatch");
3147 gdk_window_remove_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
3148 g_object_unref (gdkwin);
3155 _gdk_windowing_event_data_copy (const GdkEvent *src,
3161 _gdk_windowing_event_data_free (GdkEvent *event)
3165 #define __GDK_EVENTS_X11_C__
3166 #include "gdkaliasdef.c"