1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include "gdkprivate-x11.h"
29 #include "gdkinternals.h"
31 #include "gdkscreen-x11.h"
32 #include "gdkdisplay-x11.h"
34 #include "gdkkeysyms.h"
36 #include "xsettings-client.h"
45 #include "gdkinputprivate.h"
48 #include <X11/XKBlib.h>
51 #include <X11/Xatom.h>
53 typedef struct _GdkIOClosure GdkIOClosure;
54 typedef struct _GdkDisplaySource GdkDisplaySource;
56 #define DOUBLE_CLICK_TIME 250
57 #define TRIPLE_CLICK_TIME 500
58 #define DOUBLE_CLICK_DIST 5
59 #define TRIPLE_CLICK_DIST 5
63 GdkInputFunction function;
64 GdkInputCondition condition;
65 GdkDestroyNotify notify;
69 struct _GdkDisplaySource
74 GPollFD event_poll_fd;
78 * Private function declarations
81 static gint gdk_event_apply_filters (XEvent *xevent,
84 static gboolean gdk_event_translate (GdkDisplay *display,
87 gboolean return_exposes);
89 static gboolean gdk_event_prepare (GSource *source,
91 static gboolean gdk_event_check (GSource *source);
92 static gboolean gdk_event_dispatch (GSource *source,
96 static GdkFilterReturn gdk_wm_protocols_filter (GdkXEvent *xev,
100 static GSource *gdk_display_source_new (GdkDisplay *display);
101 static gboolean gdk_check_xpending (GdkDisplay *display);
103 static void gdk_xsettings_watch_cb (Window window,
107 static void gdk_xsettings_notify_cb (const char *name,
108 XSettingsAction action,
109 XSettingsSetting *setting,
112 /* Private variable declarations
115 static GList *display_sources;
117 static GSourceFuncs event_funcs = {
125 gdk_display_source_new (GdkDisplay *display)
127 GSource *source = g_source_new (&event_funcs, sizeof (GdkDisplaySource));
128 GdkDisplaySource *display_source = (GdkDisplaySource *)source;
130 display_source->display = display;
136 gdk_check_xpending (GdkDisplay *display)
138 return XPending (GDK_DISPLAY_XDISPLAY (display));
141 /*********************************************
142 * Functions for maintaining the event queue *
143 *********************************************/
146 _gdk_x11_events_init_screen (GdkScreen *screen)
148 GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
150 /* Keep a flag to avoid extra notifies that we don't need
152 screen_x11->xsettings_in_init = TRUE;
153 screen_x11->xsettings_client = xsettings_client_new (screen_x11->xdisplay,
154 screen_x11->screen_num,
155 gdk_xsettings_notify_cb,
156 gdk_xsettings_watch_cb,
158 screen_x11->xsettings_in_init = FALSE;
162 _gdk_x11_events_uninit_screen (GdkScreen *screen)
164 GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
166 xsettings_client_destroy (screen_x11->xsettings_client);
167 screen_x11->xsettings_client = NULL;
171 _gdk_events_init (GdkDisplay *display)
174 GdkDisplaySource *display_source;
175 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
177 int connection_number = ConnectionNumber (display_x11->xdisplay);
178 GDK_NOTE (MISC, g_message ("connection number: %d", connection_number));
181 source = display_x11->event_source = gdk_display_source_new (display);
182 display_source = (GdkDisplaySource*) source;
183 g_source_set_priority (source, GDK_PRIORITY_EVENTS);
185 display_source->event_poll_fd.fd = connection_number;
186 display_source->event_poll_fd.events = G_IO_IN;
188 g_source_add_poll (source, &display_source->event_poll_fd);
189 g_source_set_can_recurse (source, TRUE);
190 g_source_attach (source, NULL);
192 display_sources = g_list_prepend (display_sources,display_source);
194 gdk_display_add_client_message_filter (
196 gdk_atom_intern ("WM_PROTOCOLS", FALSE),
197 gdk_wm_protocols_filter,
203 * gdk_events_pending:
205 * Checks if any events are ready to be processed for any display.
207 * Return value: %TRUE if any events are pending.
210 gdk_events_pending (void)
214 for (tmp_list = display_sources; tmp_list; tmp_list = tmp_list->next)
216 GdkDisplaySource *tmp_source = tmp_list->data;
217 GdkDisplay *display = tmp_source->display;
219 if (_gdk_event_queue_find_first (display))
223 for (tmp_list = display_sources; tmp_list; tmp_list = tmp_list->next)
225 GdkDisplaySource *tmp_source = tmp_list->data;
226 GdkDisplay *display = tmp_source->display;
228 if (gdk_check_xpending (display))
236 graphics_expose_predicate (Display *display,
240 if (xevent->xany.window == GDK_DRAWABLE_XID ((GdkDrawable *)arg) &&
241 (xevent->xany.type == GraphicsExpose ||
242 xevent->xany.type == NoExpose))
249 * gdk_event_get_graphics_expose:
250 * @window: the #GdkWindow to wait for the events for.
252 * Waits for a GraphicsExpose or NoExpose event from the X server.
253 * This is used in the #GtkText and #GtkCList widgets in GTK+ to make sure any
254 * GraphicsExpose events are handled before the widget is scrolled.
256 * Return value: a #GdkEventExpose if a GraphicsExpose was received, or %NULL if a
257 * NoExpose event was received.
260 gdk_event_get_graphics_expose (GdkWindow *window)
265 g_return_val_if_fail (window != NULL, NULL);
267 XIfEvent (GDK_WINDOW_XDISPLAY (window), &xevent,
268 graphics_expose_predicate, (XPointer) window);
270 if (xevent.xany.type == GraphicsExpose)
272 event = gdk_event_new (GDK_NOTHING);
274 if (gdk_event_translate (GDK_WINDOW_DISPLAY (window), event,
278 gdk_event_free (event);
285 gdk_event_apply_filters (XEvent *xevent,
290 GdkFilterReturn result;
296 GdkEventFilter *filter = (GdkEventFilter*) tmp_list->data;
298 tmp_list = tmp_list->next;
299 result = filter->function (xevent, event, filter->data);
300 if (result != GDK_FILTER_CONTINUE)
304 return GDK_FILTER_CONTINUE;
308 * gdk_display_add_client_message_filter:
309 * @display: a #GdkDisplay for which this message filter applies
310 * @message_type: the type of ClientMessage events to receive.
311 * This will be checked against the @message_type field
312 * of the XClientMessage event struct.
313 * @func: the function to call to process the event.
314 * @data: user data to pass to @func.
316 * Adds a filter to be called when X ClientMessage events are received.
320 gdk_display_add_client_message_filter (GdkDisplay *display,
321 GdkAtom message_type,
325 GdkClientFilter *filter;
326 g_return_if_fail (GDK_IS_DISPLAY (display));
327 filter = g_new (GdkClientFilter, 1);
329 filter->type = message_type;
330 filter->function = func;
333 GDK_DISPLAY_X11(display)->client_filters =
334 g_list_prepend (GDK_DISPLAY_X11 (display)->client_filters,
339 * gdk_add_client_message_filter:
340 * @message_type: the type of ClientMessage events to receive. This will be
341 * checked against the <structfield>message_type</structfield> field of the
342 * XClientMessage event struct.
343 * @func: the function to call to process the event.
344 * @data: user data to pass to @func.
346 * Adds a filter to the default display to be called when X ClientMessage events
347 * are received. See gdk_display_add_client_message_filter().
350 gdk_add_client_message_filter (GdkAtom message_type,
354 gdk_display_add_client_message_filter (gdk_display_get_default (),
355 message_type, func, data);
359 gdk_check_wm_state_changed (GdkWindow *window)
367 gboolean found_sticky, found_maxvert, found_maxhorz, found_fullscreen;
368 GdkWindowState old_state;
369 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
371 if (GDK_WINDOW_DESTROYED (window) ||
372 gdk_window_get_window_type (window) != GDK_WINDOW_TOPLEVEL)
375 found_sticky = FALSE;
376 found_maxvert = FALSE;
377 found_maxhorz = FALSE;
378 found_fullscreen = FALSE;
380 XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
381 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"),
382 0, G_MAXLONG, False, XA_ATOM, &type, &format, &nitems,
383 &bytes_after, (guchar **)&atoms);
387 Atom sticky_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_STICKY");
388 Atom maxvert_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_VERT");
389 Atom maxhorz_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_HORZ");
390 Atom fullscreen_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_FULLSCREEN");
395 if (atoms[i] == sticky_atom)
397 else if (atoms[i] == maxvert_atom)
398 found_maxvert = TRUE;
399 else if (atoms[i] == maxhorz_atom)
400 found_maxhorz = TRUE;
401 else if (atoms[i] == fullscreen_atom)
402 found_fullscreen = TRUE;
410 /* For found_sticky to remain TRUE, we have to also be on desktop
418 XGetWindowProperty (GDK_WINDOW_XDISPLAY (window),
419 GDK_WINDOW_XID (window),
420 gdk_x11_get_xatom_by_name_for_display
421 (display, "_NET_WM_DESKTOP"),
422 0, G_MAXLONG, False, XA_CARDINAL, &type,
424 &bytes_after, (guchar **)&desktop);
428 if (*desktop != 0xFFFFFFFF)
429 found_sticky = FALSE;
434 old_state = gdk_window_get_state (window);
436 if (old_state & GDK_WINDOW_STATE_STICKY)
439 gdk_synthesize_window_state (window,
440 GDK_WINDOW_STATE_STICKY,
446 gdk_synthesize_window_state (window,
448 GDK_WINDOW_STATE_STICKY);
451 if (old_state & GDK_WINDOW_STATE_FULLSCREEN)
453 if (!found_fullscreen)
454 gdk_synthesize_window_state (window,
455 GDK_WINDOW_STATE_FULLSCREEN,
460 if (found_fullscreen)
461 gdk_synthesize_window_state (window,
463 GDK_WINDOW_STATE_FULLSCREEN);
466 /* Our "maximized" means both vertical and horizontal; if only one,
467 * we don't expose that via GDK
469 if (old_state & GDK_WINDOW_STATE_MAXIMIZED)
471 if (!(found_maxvert && found_maxhorz))
472 gdk_synthesize_window_state (window,
473 GDK_WINDOW_STATE_MAXIMIZED,
478 if (found_maxvert && found_maxhorz)
479 gdk_synthesize_window_state (window,
481 GDK_WINDOW_STATE_MAXIMIZED);
485 #define HAS_FOCUS(window_impl) \
486 ((window_impl)->has_focus || (window_impl)->has_pointer_focus)
489 generate_focus_event (GdkWindow *window,
494 event.type = GDK_FOCUS_CHANGE;
495 event.focus_change.window = window;
496 event.focus_change.send_event = FALSE;
497 event.focus_change.in = in;
499 gdk_event_put (&event);
503 set_screen_from_root (GdkDisplay *display,
509 screen = _gdk_x11_display_screen_for_xrootwin (display, xrootwin);
512 gdk_event_set_screen (event, screen);
516 translate_key_event (GdkDisplay *display,
520 GdkKeymap *keymap = gdk_keymap_get_for_display (display);
524 event->key.type = xevent->xany.type == KeyPress ? GDK_KEY_PRESS : GDK_KEY_RELEASE;
525 event->key.time = xevent->xkey.time;
527 event->key.state = (GdkModifierType) xevent->xkey.state;
528 event->key.group = _gdk_x11_get_group_for_state (display, xevent->xkey.state);
529 event->key.hardware_keycode = xevent->xkey.keycode;
531 event->key.keyval = GDK_VoidSymbol;
533 gdk_keymap_translate_keyboard_state (keymap,
534 event->key.hardware_keycode,
540 /* Fill in event->string crudely, since various programs
543 event->key.string = NULL;
545 if (event->key.keyval != GDK_VoidSymbol)
546 c = gdk_keyval_to_unicode (event->key.keyval);
553 /* Apply the control key - Taken from Xlib
555 if (event->key.state & GDK_CONTROL_MASK)
557 if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F;
560 event->key.string = g_memdup ("\0\0", 2);
561 event->key.length = 1;
565 else if (c >= '3' && c <= '7') c -= ('3' - '\033');
566 else if (c == '8') c = '\177';
567 else if (c == '/') c = '_' & 0x1F;
570 len = g_unichar_to_utf8 (c, buf);
573 event->key.string = g_locale_from_utf8 (buf, len,
574 NULL, &bytes_written,
576 if (event->key.string)
577 event->key.length = bytes_written;
579 else if (event->key.keyval == GDK_Escape)
581 event->key.length = 1;
582 event->key.string = g_strdup ("\033");
584 else if (event->key.keyval == GDK_Return ||
585 event->key.keyval == GDK_KP_Enter)
587 event->key.length = 1;
588 event->key.string = g_strdup ("\r");
591 if (!event->key.string)
593 event->key.length = 0;
594 event->key.string = g_strdup ("");
598 #ifdef G_ENABLE_DEBUG
599 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
601 g_message ("%s:\t\twindow: %ld key: %12s %d",
602 event->type == GDK_KEY_PRESS ? "key press " : "key release",
604 event->key.keyval ? gdk_keyval_name (event->key.keyval) : "(none)",
607 if (event->key.length > 0)
608 g_message ("\t\tlength: %4d string: \"%s\"",
609 event->key.length, buf);
611 #endif /* G_ENABLE_DEBUG */
614 /* Return the window this has to do with, if any, rather
615 * than the frame or root window that was selecting
619 get_real_window (XEvent *event)
624 return event->xcreatewindow.window;
627 return event->xdestroywindow.window;
630 return event->xunmap.window;
633 return event->xmap.window;
636 return event->xmaprequest.window;
639 return event->xreparent.window;
641 case ConfigureNotify:
642 return event->xconfigure.window;
644 case ConfigureRequest:
645 return event->xconfigurerequest.window;
648 return event->xgravity.window;
650 case CirculateNotify:
651 return event->xcirculate.window;
653 case CirculateRequest:
654 return event->xcirculaterequest.window;
657 return event->xany.window;
662 gdk_event_translate (GdkDisplay *display,
665 gboolean return_exposes)
669 GdkWindowObject *window_private;
670 GdkWindowImplX11 *window_impl = NULL;
672 gint xoffset, yoffset;
673 GdkScreen *screen = NULL;
674 GdkScreenX11 *screen_x11 = NULL;
675 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
680 /* init these, since the done: block uses them */
682 window_private = NULL;
683 event->any.window = NULL;
685 if (_gdk_default_filters)
687 /* Apply global filters */
688 GdkFilterReturn result;
689 result = gdk_event_apply_filters (xevent, event,
690 _gdk_default_filters);
692 if (result != GDK_FILTER_CONTINUE)
694 return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
699 /* We handle events with window=None
700 * specially - they are generated by XFree86's XInput under
701 * some circumstances. This handling for obvious reasons
702 * goes before we bother to lookup the event window.
705 if (xevent->xany.window == None)
707 return_val = _gdk_input_window_none_event (event, xevent);
709 if (return_val >= 0) /* was handled */
715 /* Find the GdkWindow that this event relates to.
716 * Basically this means substructure events
717 * are reported same as structure events
719 xwindow = get_real_window (xevent);
721 window = gdk_window_lookup_for_display (display, xwindow);
722 window_private = (GdkWindowObject *) window;
726 screen = GDK_WINDOW_SCREEN (window);
727 screen_x11 = GDK_SCREEN_X11 (screen);
732 /* Window may be a pixmap, so check its type.
733 * (This check is probably too expensive unless
734 * GLib short-circuits an exact type match,
735 * which has been proposed)
737 if (GDK_IS_WINDOW (window))
739 window_impl = GDK_WINDOW_IMPL_X11 (window_private->impl);
741 /* Move key events on focus window to the real toplevel, and
742 * filter out all other events on focus window
744 if (xwindow == window_impl->focus_window)
746 switch (xevent->type)
750 xwindow = GDK_WINDOW_XID (window);
751 xevent->xany.window = xwindow;
759 g_object_ref (window);
762 event->any.window = window;
763 event->any.send_event = xevent->xany.send_event ? TRUE : FALSE;
765 if (window_private && GDK_WINDOW_DESTROYED (window))
767 if (xevent->type != DestroyNotify)
773 else if (window_private)
775 /* Apply per-window filters */
776 GdkFilterReturn result;
777 result = gdk_event_apply_filters (xevent, event,
778 window_private->filters);
780 if (result != GDK_FILTER_CONTINUE)
782 return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
787 if (screen_x11 && screen_x11->wmspec_check_window != None &&
788 xwindow == screen_x11->wmspec_check_window)
790 if (xevent->type == DestroyNotify)
792 screen_x11->wmspec_check_window = None;
793 g_free (screen_x11->window_manager_name);
794 screen_x11->window_manager_name = g_strdup ("unknown");
796 /* careful, reentrancy */
797 _gdk_x11_screen_window_manager_changed (GDK_SCREEN (screen_x11));
800 /* Eat events on this window unless someone had wrapped
801 * it as a foreign window
811 (xevent->xany.type == MotionNotify ||
812 xevent->xany.type == ButtonRelease))
814 if (_gdk_moveresize_handle_event (xevent))
821 /* We do a "manual" conversion of the XEvent to a
822 * GdkEvent. The structures are mostly the same so
823 * the conversion is fairly straightforward. We also
824 * optionally print debugging info regarding events
832 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
840 switch (xevent->type)
843 if (window_private == NULL)
848 translate_key_event (display, event, xevent);
852 if (window_private == NULL)
858 /* Emulate detectable auto-repeat by checking to see
859 * if the next event is a key press with the same
860 * keycode and timestamp, and if so, ignoring the event.
863 if (!display_x11->have_xkb_autorepeat && XPending (xevent->xkey.display))
867 XPeekEvent (xevent->xkey.display, &next_event);
869 if (next_event.type == KeyPress &&
870 next_event.xkey.keycode == xevent->xkey.keycode &&
871 next_event.xkey.time == xevent->xkey.time)
878 translate_key_event (display, event, xevent);
883 g_message ("button press:\t\twindow: %ld x,y: %d %d button: %d",
884 xevent->xbutton.window,
885 xevent->xbutton.x, xevent->xbutton.y,
886 xevent->xbutton.button));
888 if (window_private == NULL ||
889 ((window_private->extension_events != 0) &&
890 display_x11->input_ignore_core))
896 /* If we get a ButtonPress event where the button is 4 or 5,
897 it's a Scroll event */
898 switch (xevent->xbutton.button)
904 event->scroll.type = GDK_SCROLL;
906 if (xevent->xbutton.button == 4)
907 event->scroll.direction = GDK_SCROLL_UP;
908 else if (xevent->xbutton.button == 5)
909 event->scroll.direction = GDK_SCROLL_DOWN;
910 else if (xevent->xbutton.button == 6)
911 event->scroll.direction = GDK_SCROLL_LEFT;
913 event->scroll.direction = GDK_SCROLL_RIGHT;
915 event->scroll.window = window;
916 event->scroll.time = xevent->xbutton.time;
917 event->scroll.x = xevent->xbutton.x + xoffset;
918 event->scroll.y = xevent->xbutton.y + yoffset;
919 event->scroll.x_root = (gfloat)xevent->xbutton.x_root;
920 event->scroll.y_root = (gfloat)xevent->xbutton.y_root;
921 event->scroll.state = (GdkModifierType) xevent->xbutton.state;
922 event->scroll.device = display->core_pointer;
924 set_screen_from_root (display, event, xevent->xbutton.root);
929 event->button.type = GDK_BUTTON_PRESS;
930 event->button.window = window;
931 event->button.time = xevent->xbutton.time;
932 event->button.x = xevent->xbutton.x + xoffset;
933 event->button.y = xevent->xbutton.y + yoffset;
934 event->button.x_root = (gfloat)xevent->xbutton.x_root;
935 event->button.y_root = (gfloat)xevent->xbutton.y_root;
936 event->button.axes = NULL;
937 event->button.state = (GdkModifierType) xevent->xbutton.state;
938 event->button.button = xevent->xbutton.button;
939 event->button.device = display->core_pointer;
941 set_screen_from_root (display, event, xevent->xbutton.root);
943 _gdk_event_button_generate (display, event);
951 g_message ("button release:\twindow: %ld x,y: %d %d button: %d",
952 xevent->xbutton.window,
953 xevent->xbutton.x, xevent->xbutton.y,
954 xevent->xbutton.button));
956 if (window_private == NULL ||
957 ((window_private->extension_events != 0) &&
958 display_x11->input_ignore_core))
964 /* We treat button presses as scroll wheel events, so ignore the release */
965 if (xevent->xbutton.button == 4 || xevent->xbutton.button == 5 ||
966 xevent->xbutton.button == 6 || xevent->xbutton.button ==7)
972 event->button.type = GDK_BUTTON_RELEASE;
973 event->button.window = window;
974 event->button.time = xevent->xbutton.time;
975 event->button.x = xevent->xbutton.x + xoffset;
976 event->button.y = xevent->xbutton.y + yoffset;
977 event->button.x_root = (gfloat)xevent->xbutton.x_root;
978 event->button.y_root = (gfloat)xevent->xbutton.y_root;
979 event->button.axes = NULL;
980 event->button.state = (GdkModifierType) xevent->xbutton.state;
981 event->button.button = xevent->xbutton.button;
982 event->button.device = display->core_pointer;
984 set_screen_from_root (display, event, xevent->xbutton.root);
990 g_message ("motion notify:\t\twindow: %ld x,y: %d %d hint: %s",
991 xevent->xmotion.window,
992 xevent->xmotion.x, xevent->xmotion.y,
993 (xevent->xmotion.is_hint) ? "true" : "false"));
995 if (window_private == NULL ||
996 ((window_private->extension_events != 0) &&
997 display_x11->input_ignore_core))
1003 event->motion.type = GDK_MOTION_NOTIFY;
1004 event->motion.window = window;
1005 event->motion.time = xevent->xmotion.time;
1006 event->motion.x = xevent->xmotion.x + xoffset;
1007 event->motion.y = xevent->xmotion.y + yoffset;
1008 event->motion.x_root = (gfloat)xevent->xmotion.x_root;
1009 event->motion.y_root = (gfloat)xevent->xmotion.y_root;
1010 event->motion.axes = NULL;
1011 event->motion.state = (GdkModifierType) xevent->xmotion.state;
1012 event->motion.is_hint = xevent->xmotion.is_hint;
1013 event->motion.device = display->core_pointer;
1015 set_screen_from_root (display, event, xevent->xmotion.root);
1021 g_message ("enter notify:\t\twindow: %ld detail: %d subwin: %ld",
1022 xevent->xcrossing.window,
1023 xevent->xcrossing.detail,
1024 xevent->xcrossing.subwindow));
1026 if (window_private == NULL)
1032 /* Handle focusing (in the case where no window manager is running */
1034 GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD &&
1035 xevent->xcrossing.detail != NotifyInferior &&
1036 xevent->xcrossing.focus && !window_impl->has_focus)
1038 gboolean had_focus = HAS_FOCUS (window_impl);
1040 window_impl->has_pointer_focus = TRUE;
1042 if (HAS_FOCUS (window_impl) != had_focus)
1043 generate_focus_event (window, TRUE);
1046 /* Tell XInput stuff about it if appropriate */
1047 if (window_private &&
1048 !GDK_WINDOW_DESTROYED (window) &&
1049 window_private->extension_events != 0)
1050 _gdk_input_enter_event (&xevent->xcrossing, window);
1052 event->crossing.type = GDK_ENTER_NOTIFY;
1053 event->crossing.window = window;
1055 /* If the subwindow field of the XEvent is non-NULL, then
1056 * lookup the corresponding GdkWindow.
1058 if (xevent->xcrossing.subwindow != None)
1059 event->crossing.subwindow = gdk_window_lookup_for_display (display, xevent->xcrossing.subwindow);
1061 event->crossing.subwindow = NULL;
1063 event->crossing.time = xevent->xcrossing.time;
1064 event->crossing.x = xevent->xcrossing.x + xoffset;
1065 event->crossing.y = xevent->xcrossing.y + yoffset;
1066 event->crossing.x_root = xevent->xcrossing.x_root;
1067 event->crossing.y_root = xevent->xcrossing.y_root;
1069 set_screen_from_root (display, event, xevent->xcrossing.root);
1071 /* Translate the crossing mode into Gdk terms.
1073 switch (xevent->xcrossing.mode)
1076 event->crossing.mode = GDK_CROSSING_NORMAL;
1079 event->crossing.mode = GDK_CROSSING_GRAB;
1082 event->crossing.mode = GDK_CROSSING_UNGRAB;
1086 /* Translate the crossing detail into Gdk terms.
1088 switch (xevent->xcrossing.detail)
1090 case NotifyInferior:
1091 event->crossing.detail = GDK_NOTIFY_INFERIOR;
1093 case NotifyAncestor:
1094 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
1097 event->crossing.detail = GDK_NOTIFY_VIRTUAL;
1099 case NotifyNonlinear:
1100 event->crossing.detail = GDK_NOTIFY_NONLINEAR;
1102 case NotifyNonlinearVirtual:
1103 event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
1106 event->crossing.detail = GDK_NOTIFY_UNKNOWN;
1110 event->crossing.focus = xevent->xcrossing.focus;
1111 event->crossing.state = xevent->xcrossing.state;
1117 g_message ("leave notify:\t\twindow: %ld detail: %d subwin: %ld",
1118 xevent->xcrossing.window,
1119 xevent->xcrossing.detail, xevent->xcrossing.subwindow));
1121 if (window_private == NULL)
1127 /* Handle focusing (in the case where no window manager is running */
1129 GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD &&
1130 xevent->xcrossing.detail != NotifyInferior &&
1131 xevent->xcrossing.focus && !window_impl->has_focus)
1133 gboolean had_focus = HAS_FOCUS (window_impl);
1135 window_impl->has_pointer_focus = FALSE;
1137 if (HAS_FOCUS (window_impl) != had_focus)
1138 generate_focus_event (window, FALSE);
1141 event->crossing.type = GDK_LEAVE_NOTIFY;
1142 event->crossing.window = window;
1144 /* If the subwindow field of the XEvent is non-NULL, then
1145 * lookup the corresponding GdkWindow.
1147 if (xevent->xcrossing.subwindow != None)
1148 event->crossing.subwindow = gdk_window_lookup_for_display (display, xevent->xcrossing.subwindow);
1150 event->crossing.subwindow = NULL;
1152 event->crossing.time = xevent->xcrossing.time;
1153 event->crossing.x = xevent->xcrossing.x + xoffset;
1154 event->crossing.y = xevent->xcrossing.y + yoffset;
1155 event->crossing.x_root = xevent->xcrossing.x_root;
1156 event->crossing.y_root = xevent->xcrossing.y_root;
1158 set_screen_from_root (display, event, xevent->xcrossing.root);
1160 /* Translate the crossing mode into Gdk terms.
1162 switch (xevent->xcrossing.mode)
1165 event->crossing.mode = GDK_CROSSING_NORMAL;
1168 event->crossing.mode = GDK_CROSSING_GRAB;
1171 event->crossing.mode = GDK_CROSSING_UNGRAB;
1175 /* Translate the crossing detail into Gdk terms.
1177 switch (xevent->xcrossing.detail)
1179 case NotifyInferior:
1180 event->crossing.detail = GDK_NOTIFY_INFERIOR;
1182 case NotifyAncestor:
1183 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
1186 event->crossing.detail = GDK_NOTIFY_VIRTUAL;
1188 case NotifyNonlinear:
1189 event->crossing.detail = GDK_NOTIFY_NONLINEAR;
1191 case NotifyNonlinearVirtual:
1192 event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
1195 event->crossing.detail = GDK_NOTIFY_UNKNOWN;
1199 event->crossing.focus = xevent->xcrossing.focus;
1200 event->crossing.state = xevent->xcrossing.state;
1204 /* We only care about focus events that indicate that _this_
1205 * window (not a ancestor or child) got or lost the focus
1209 g_message ("focus in:\t\twindow: %ld", xevent->xfocus.window));
1211 if (window && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD)
1213 gboolean had_focus = HAS_FOCUS (window_impl);
1215 switch (xevent->xfocus.detail)
1217 case NotifyAncestor:
1218 case NotifyNonlinear:
1220 case NotifyNonlinearVirtual:
1221 /* We pretend that the focus moves to the grab
1222 * window, so we pay attention to NotifyGrab
1223 * NotifyUngrab, and ignore NotifyWhileGrabbed
1225 if (xevent->xfocus.mode != NotifyWhileGrabbed)
1226 window_impl->has_focus = TRUE;
1229 /* The X server sends NotifyPointer/NotifyGrab,
1230 * but the pointer focus is ignored while a
1233 if (xevent->xfocus.mode != NotifyGrab)
1234 window_impl->has_pointer_focus = TRUE;
1236 case NotifyInferior:
1237 case NotifyPointerRoot:
1238 case NotifyDetailNone:
1242 if (HAS_FOCUS (window_impl) != had_focus)
1243 generate_focus_event (window, TRUE);
1248 g_message ("focus out:\t\twindow: %ld", xevent->xfocus.window));
1250 if (window && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD)
1252 gboolean had_focus = HAS_FOCUS (window_impl);
1254 switch (xevent->xfocus.detail)
1256 case NotifyAncestor:
1257 case NotifyNonlinear:
1259 case NotifyNonlinearVirtual:
1260 if (xevent->xfocus.mode != NotifyWhileGrabbed)
1261 window_impl->has_focus = FALSE;
1264 if (xevent->xfocus.mode != NotifyUngrab)
1265 window_impl->has_pointer_focus = FALSE;
1267 case NotifyInferior:
1268 case NotifyPointerRoot:
1269 case NotifyDetailNone:
1273 if (HAS_FOCUS (window_impl) != had_focus)
1274 generate_focus_event (window, FALSE);
1279 /* gdk_keyboard_grab() causes following events. These events confuse
1280 * the XIM focus, so ignore them.
1282 if (xevent->xfocus.mode == NotifyGrab ||
1283 xevent->xfocus.mode == NotifyUngrab)
1289 g_message ("keymap notify"));
1291 /* Not currently handled */
1297 g_message ("expose:\t\twindow: %ld %d x,y: %d %d w,h: %d %d%s",
1298 xevent->xexpose.window, xevent->xexpose.count,
1299 xevent->xexpose.x, xevent->xexpose.y,
1300 xevent->xexpose.width, xevent->xexpose.height,
1301 event->any.send_event ? " (send)" : ""));
1303 if (window_private == NULL)
1310 GdkRectangle expose_rect;
1312 expose_rect.x = xevent->xexpose.x + xoffset;
1313 expose_rect.y = xevent->xexpose.y + yoffset;
1314 expose_rect.width = xevent->xexpose.width;
1315 expose_rect.height = xevent->xexpose.height;
1319 event->expose.type = GDK_EXPOSE;
1320 event->expose.area = expose_rect;
1321 event->expose.region = gdk_region_rectangle (&expose_rect);
1322 event->expose.window = window;
1323 event->expose.count = xevent->xexpose.count;
1329 _gdk_window_process_expose (window, xevent->xexpose.serial, &expose_rect);
1338 case GraphicsExpose:
1340 GdkRectangle expose_rect;
1343 g_message ("graphics expose:\tdrawable: %ld",
1344 xevent->xgraphicsexpose.drawable));
1346 if (window_private == NULL)
1352 expose_rect.x = xevent->xgraphicsexpose.x + xoffset;
1353 expose_rect.y = xevent->xgraphicsexpose.y + yoffset;
1354 expose_rect.width = xevent->xgraphicsexpose.width;
1355 expose_rect.height = xevent->xgraphicsexpose.height;
1359 event->expose.type = GDK_EXPOSE;
1360 event->expose.area = expose_rect;
1361 event->expose.region = gdk_region_rectangle (&expose_rect);
1362 event->expose.window = window;
1363 event->expose.count = xevent->xgraphicsexpose.count;
1369 _gdk_window_process_expose (window, xevent->xgraphicsexpose.serial, &expose_rect);
1379 g_message ("no expose:\t\tdrawable: %ld",
1380 xevent->xnoexpose.drawable));
1382 event->no_expose.type = GDK_NO_EXPOSE;
1383 event->no_expose.window = window;
1387 case VisibilityNotify:
1388 #ifdef G_ENABLE_DEBUG
1389 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
1390 switch (xevent->xvisibility.state)
1392 case VisibilityFullyObscured:
1393 g_message ("visibility notify:\twindow: %ld none",
1394 xevent->xvisibility.window);
1396 case VisibilityPartiallyObscured:
1397 g_message ("visibility notify:\twindow: %ld partial",
1398 xevent->xvisibility.window);
1400 case VisibilityUnobscured:
1401 g_message ("visibility notify:\twindow: %ld full",
1402 xevent->xvisibility.window);
1405 #endif /* G_ENABLE_DEBUG */
1407 if (window_private == NULL)
1413 event->visibility.type = GDK_VISIBILITY_NOTIFY;
1414 event->visibility.window = window;
1416 switch (xevent->xvisibility.state)
1418 case VisibilityFullyObscured:
1419 event->visibility.state = GDK_VISIBILITY_FULLY_OBSCURED;
1422 case VisibilityPartiallyObscured:
1423 event->visibility.state = GDK_VISIBILITY_PARTIAL;
1426 case VisibilityUnobscured:
1427 event->visibility.state = GDK_VISIBILITY_UNOBSCURED;
1435 g_message ("create notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d parent: %ld ovr: %d",
1436 xevent->xcreatewindow.window,
1437 xevent->xcreatewindow.x,
1438 xevent->xcreatewindow.y,
1439 xevent->xcreatewindow.width,
1440 xevent->xcreatewindow.height,
1441 xevent->xcreatewindow.border_width,
1442 xevent->xcreatewindow.parent,
1443 xevent->xcreatewindow.override_redirect));
1444 /* not really handled */
1449 g_message ("destroy notify:\twindow: %ld",
1450 xevent->xdestroywindow.window));
1452 /* Ignore DestroyNotify from SubstructureNotifyMask */
1453 if (xevent->xdestroywindow.window == xevent->xdestroywindow.event)
1455 event->any.type = GDK_DESTROY;
1456 event->any.window = window;
1458 return_val = window_private && !GDK_WINDOW_DESTROYED (window);
1460 if (window && GDK_WINDOW_XID (window) != screen_x11->xroot_window)
1461 gdk_window_destroy_notify (window);
1470 g_message ("unmap notify:\t\twindow: %ld",
1471 xevent->xmap.window));
1473 event->any.type = GDK_UNMAP;
1474 event->any.window = window;
1476 /* If we are shown (not withdrawn) and get an unmap, it means we
1477 * were iconified in the X sense. If we are withdrawn, and get
1478 * an unmap, it means we hid the window ourselves, so we
1479 * will have already flipped the iconified bit off.
1483 if (GDK_WINDOW_IS_MAPPED (window))
1484 gdk_synthesize_window_state (window,
1486 GDK_WINDOW_STATE_ICONIFIED);
1488 _gdk_xgrab_check_unmap (window, xevent->xany.serial);
1495 g_message ("map notify:\t\twindow: %ld",
1496 xevent->xmap.window));
1498 event->any.type = GDK_MAP;
1499 event->any.window = window;
1501 /* Unset iconified if it was set */
1502 if (window && (((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_ICONIFIED))
1503 gdk_synthesize_window_state (window,
1504 GDK_WINDOW_STATE_ICONIFIED,
1509 case ReparentNotify:
1511 g_message ("reparent notify:\twindow: %ld x,y: %d %d parent: %ld ovr: %d",
1512 xevent->xreparent.window,
1513 xevent->xreparent.x,
1514 xevent->xreparent.y,
1515 xevent->xreparent.parent,
1516 xevent->xreparent.override_redirect));
1518 /* Not currently handled */
1522 case ConfigureNotify:
1524 g_message ("configure notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d above: %ld ovr: %d%s",
1525 xevent->xconfigure.window,
1526 xevent->xconfigure.x,
1527 xevent->xconfigure.y,
1528 xevent->xconfigure.width,
1529 xevent->xconfigure.height,
1530 xevent->xconfigure.border_width,
1531 xevent->xconfigure.above,
1532 xevent->xconfigure.override_redirect,
1535 : GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD
1536 ? " (discarding child)"
1537 : xevent->xconfigure.event != xevent->xconfigure.window
1538 ? " (discarding substructure)"
1540 if (window && GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
1541 _gdk_x11_screen_size_changed (screen, xevent);
1544 xevent->xconfigure.event == xevent->xconfigure.window &&
1545 !GDK_WINDOW_DESTROYED (window) &&
1546 (window_private->extension_events != 0))
1547 _gdk_input_configure_event (&xevent->xconfigure, window);
1550 xevent->xconfigure.event != xevent->xconfigure.window ||
1551 GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ||
1552 GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
1556 event->configure.type = GDK_CONFIGURE;
1557 event->configure.window = window;
1558 event->configure.width = xevent->xconfigure.width;
1559 event->configure.height = xevent->xconfigure.height;
1561 if (!xevent->xconfigure.send_event &&
1562 !GDK_WINDOW_DESTROYED (window))
1566 Window child_window = 0;
1568 gdk_error_trap_push ();
1569 if (XTranslateCoordinates (GDK_DRAWABLE_XDISPLAY (window),
1570 GDK_DRAWABLE_XID (window),
1571 screen_x11->xroot_window,
1576 if (!gdk_error_trap_pop ())
1578 event->configure.x = tx;
1579 event->configure.y = ty;
1583 gdk_error_trap_pop ();
1587 event->configure.x = xevent->xconfigure.x;
1588 event->configure.y = xevent->xconfigure.y;
1590 window_private->x = event->configure.x;
1591 window_private->y = event->configure.y;
1592 GDK_WINDOW_IMPL_X11 (window_private->impl)->width = xevent->xconfigure.width;
1593 GDK_WINDOW_IMPL_X11 (window_private->impl)->height = xevent->xconfigure.height;
1594 if (window_private->resize_count >= 1)
1596 window_private->resize_count -= 1;
1598 if (window_private->resize_count == 0)
1599 _gdk_moveresize_configure_done (display, window);
1604 case PropertyNotify:
1606 g_message ("property notify:\twindow: %ld, atom(%ld): %s%s%s",
1607 xevent->xproperty.window,
1608 xevent->xproperty.atom,
1610 gdk_x11_get_xatom_name_for_display (display, xevent->xproperty.atom),
1613 if (window_private == NULL)
1619 if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE") ||
1620 xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"))
1622 /* If window state changed, then synthesize those events. */
1623 gdk_check_wm_state_changed (window);
1626 if (window_private->event_mask & GDK_PROPERTY_CHANGE_MASK)
1628 event->property.type = GDK_PROPERTY_NOTIFY;
1629 event->property.window = window;
1630 event->property.atom = gdk_x11_xatom_to_atom_for_display (display, xevent->xproperty.atom);
1631 event->property.time = xevent->xproperty.time;
1632 event->property.state = xevent->xproperty.state;
1639 case SelectionClear:
1641 g_message ("selection clear:\twindow: %ld",
1642 xevent->xproperty.window));
1644 if (_gdk_selection_filter_clear_event (&xevent->xselectionclear))
1646 event->selection.type = GDK_SELECTION_CLEAR;
1647 event->selection.window = window;
1648 event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionclear.selection);
1649 event->selection.time = xevent->xselectionclear.time;
1656 case SelectionRequest:
1658 g_message ("selection request:\twindow: %ld",
1659 xevent->xproperty.window));
1661 event->selection.type = GDK_SELECTION_REQUEST;
1662 event->selection.window = window;
1663 event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.selection);
1664 event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.target);
1665 event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.property);
1666 event->selection.requestor = xevent->xselectionrequest.requestor;
1667 event->selection.time = xevent->xselectionrequest.time;
1671 case SelectionNotify:
1673 g_message ("selection notify:\twindow: %ld",
1674 xevent->xproperty.window));
1677 event->selection.type = GDK_SELECTION_NOTIFY;
1678 event->selection.window = window;
1679 event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.selection);
1680 event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.target);
1681 event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.property);
1682 event->selection.time = xevent->xselection.time;
1686 case ColormapNotify:
1688 g_message ("colormap notify:\twindow: %ld",
1689 xevent->xcolormap.window));
1691 /* Not currently handled */
1698 GdkFilterReturn result = GDK_FILTER_CONTINUE;
1699 GdkAtom message_type = gdk_x11_xatom_to_atom_for_display (display, xevent->xclient.message_type);
1702 g_message ("client message:\twindow: %ld",
1703 xevent->xclient.window));
1705 tmp_list = display_x11->client_filters;
1708 GdkClientFilter *filter = tmp_list->data;
1709 if (filter->type == message_type)
1711 result = (*filter->function) (xevent, event, filter->data);
1715 tmp_list = tmp_list->next;
1720 case GDK_FILTER_REMOVE:
1723 case GDK_FILTER_TRANSLATE:
1726 case GDK_FILTER_CONTINUE:
1727 /* Send unknown ClientMessage's on to Gtk for it to use */
1728 if (window_private == NULL)
1734 event->client.type = GDK_CLIENT_EVENT;
1735 event->client.window = window;
1736 event->client.message_type = message_type;
1737 event->client.data_format = xevent->xclient.format;
1738 memcpy(&event->client.data, &xevent->xclient.data,
1739 sizeof(event->client.data));
1749 g_message ("mapping notify"));
1751 /* Let XLib know that there is a new keyboard mapping.
1753 XRefreshKeyboardMapping (&xevent->xmapping);
1754 _gdk_keymap_keys_changed (display);
1760 if (xevent->type == display_x11->xkb_event_type)
1762 XkbEvent *xkb_event = (XkbEvent *)xevent;
1764 switch (xkb_event->any.xkb_type)
1767 _gdk_keymap_keys_changed (display);
1772 case XkbStateNotify:
1773 _gdk_keymap_state_changed (display);
1780 /* something else - (e.g., a Xinput event) */
1782 if (window_private &&
1783 !GDK_WINDOW_DESTROYED (window_private) &&
1784 (window_private->extension_events != 0))
1785 return_val = _gdk_input_other_event(event, xevent, window);
1796 if (event->any.window)
1797 g_object_ref (event->any.window);
1798 if (((event->any.type == GDK_ENTER_NOTIFY) ||
1799 (event->any.type == GDK_LEAVE_NOTIFY)) &&
1800 (event->crossing.subwindow != NULL))
1801 g_object_ref (event->crossing.subwindow);
1805 /* Mark this event as having no resources to be freed */
1806 event->any.window = NULL;
1807 event->any.type = GDK_NOTHING;
1811 g_object_unref (window);
1816 static GdkFilterReturn
1817 gdk_wm_protocols_filter (GdkXEvent *xev,
1821 XEvent *xevent = (XEvent *)xev;
1822 GdkWindow *win = event->any.window;
1823 GdkDisplay *display = GDK_WINDOW_DISPLAY (win);
1825 if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
1827 /* The delete window request specifies a window
1828 * to delete. We don't actually destroy the
1829 * window because "it is only a request". (The
1830 * window might contain vital data that the
1831 * program does not want destroyed). Instead
1832 * the event is passed along to the program,
1833 * which should then destroy the window.
1836 g_message ("delete window:\t\twindow: %ld",
1837 xevent->xclient.window));
1839 event->any.type = GDK_DELETE;
1841 return GDK_FILTER_TRANSLATE;
1843 else if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS"))
1845 GdkWindow *win = event->any.window;
1846 Window focus_win = GDK_WINDOW_IMPL_X11(((GdkWindowObject *)win)->impl)->focus_window;
1848 /* There is no way of knowing reliably whether we are viewable so we need
1849 * to trap errors so we don't cause a BadMatch.
1851 gdk_error_trap_push ();
1852 XSetInputFocus (GDK_WINDOW_XDISPLAY (win),
1855 xevent->xclient.data.l[1]);
1856 XSync (GDK_WINDOW_XDISPLAY (win), False);
1857 gdk_error_trap_pop ();
1859 else if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING"))
1861 XEvent xev = *xevent;
1863 xev.xclient.window = GDK_WINDOW_XROOTWIN (win);
1864 XSendEvent (GDK_WINDOW_XDISPLAY (win),
1867 SubstructureRedirectMask | SubstructureNotifyMask, &xev);
1870 return GDK_FILTER_REMOVE;
1874 _gdk_events_queue (GdkDisplay *display)
1879 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
1881 while (!_gdk_event_queue_find_first(display) && XPending (xdisplay))
1883 XNextEvent (xdisplay, &xevent);
1885 switch (xevent.type)
1891 if (XFilterEvent (&xevent, None))
1895 event = gdk_event_new (GDK_NOTHING);
1897 event->any.window = NULL;
1898 event->any.send_event = xevent.xany.send_event ? TRUE : FALSE;
1900 ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING;
1902 node = _gdk_event_queue_append (display, event);
1904 if (gdk_event_translate (display, event, &xevent, FALSE))
1906 ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING;
1910 _gdk_event_queue_remove_link (display, node);
1911 g_list_free_1 (node);
1912 gdk_event_free (event);
1918 gdk_event_prepare (GSource *source,
1921 GdkDisplay *display = ((GdkDisplaySource*)source)->display;
1924 GDK_THREADS_ENTER ();
1927 retval = (_gdk_event_queue_find_first (display) != NULL ||
1928 gdk_check_xpending (display));
1930 GDK_THREADS_LEAVE ();
1936 gdk_event_check (GSource *source)
1938 GdkDisplaySource *display_source = (GdkDisplaySource*)source;
1941 GDK_THREADS_ENTER ();
1943 if (display_source->event_poll_fd.revents & G_IO_IN)
1944 retval = (_gdk_event_queue_find_first (display_source->display) != NULL ||
1945 gdk_check_xpending (display_source->display));
1949 GDK_THREADS_LEAVE ();
1955 gdk_event_dispatch (GSource *source,
1956 GSourceFunc callback,
1959 GdkDisplay *display = ((GdkDisplaySource*)source)->display;
1962 GDK_THREADS_ENTER ();
1964 _gdk_events_queue (display);
1965 event = _gdk_event_unqueue (display);
1969 if (_gdk_event_func)
1970 (*_gdk_event_func) (event, _gdk_event_data);
1972 gdk_event_free (event);
1975 GDK_THREADS_LEAVE ();
1981 * gdk_event_send_client_message_for_display :
1982 * @display : the #GdkDisplay for the window where the message is to be sent.
1983 * @event : the #GdkEvent to send, which should be a #GdkEventClient.
1984 * @winid : the window to send the X ClientMessage event to.
1986 * Sends an X ClientMessage event to a given window.
1988 * This could be used for communicating between different applications,
1989 * though the amount of data is limited to 20 bytes.
1991 * Returns : non-zero on success.
1994 gdk_event_send_client_message_for_display (GdkDisplay *display,
1996 GdkNativeWindow winid)
2000 g_return_val_if_fail(event != NULL, FALSE);
2002 /* Set up our event to send, with the exception of its target window */
2003 sev.xclient.type = ClientMessage;
2004 sev.xclient.display = GDK_DISPLAY_XDISPLAY (display);
2005 sev.xclient.format = event->client.data_format;
2006 sev.xclient.window = winid;
2007 memcpy(&sev.xclient.data, &event->client.data, sizeof (sev.xclient.data));
2008 sev.xclient.message_type = gdk_x11_atom_to_xatom_for_display (display, event->client.message_type);
2010 return _gdk_send_xevent (display, winid, False, NoEventMask, &sev);
2015 /* Sends a ClientMessage to all toplevel client windows */
2017 gdk_event_send_client_message_to_all_recurse (GdkDisplay *display,
2024 unsigned long nitems, after;
2025 unsigned char *data;
2026 Window *ret_children, ret_root, ret_parent;
2027 unsigned int ret_nchildren;
2028 gboolean send = FALSE;
2029 gboolean found = FALSE;
2030 gboolean result = FALSE;
2033 gdk_error_trap_push ();
2035 if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), xid,
2036 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"),
2037 0, 0, False, AnyPropertyType,
2038 &type, &format, &nitems, &after, &data) != Success)
2048 /* OK, we're all set, now let's find some windows to send this to */
2049 if (!XQueryTree (GDK_DISPLAY_XDISPLAY (display), xid,
2050 &ret_root, &ret_parent,
2051 &ret_children, &ret_nchildren))
2054 for(i = 0; i < ret_nchildren; i++)
2055 if (gdk_event_send_client_message_to_all_recurse (display, xev, ret_children[i], level + 1))
2058 XFree (ret_children);
2061 if (send || (!found && (level == 1)))
2063 xev->xclient.window = xid;
2064 _gdk_send_xevent (display, xid, False, NoEventMask, xev);
2067 result = send || found;
2070 gdk_error_trap_pop ();
2076 * gdk_screen_broadcast_client_message:
2077 * @screen : the #GdkScreen where the event will be broadcasted.
2078 * @event : the #GdkEvent.
2080 * Sends an X ClientMessage event to all toplevel windows on @screen.
2082 * Toplevel windows are determined by checking for the WM_STATE property,
2083 * as described in the Inter-Client Communication Conventions Manual (ICCCM).
2084 * If no windows are found with the WM_STATE property set, the message is
2085 * sent to all children of the root window.
2089 gdk_screen_broadcast_client_message (GdkScreen *screen,
2093 GdkWindow *root_window;
2095 g_return_if_fail (event != NULL);
2097 root_window = gdk_screen_get_root_window (screen);
2099 /* Set up our event to send, with the exception of its target window */
2100 sev.xclient.type = ClientMessage;
2101 sev.xclient.display = GDK_WINDOW_XDISPLAY (root_window);
2102 sev.xclient.format = event->client.data_format;
2103 memcpy(&sev.xclient.data, &event->client.data, sizeof (sev.xclient.data));
2104 sev.xclient.message_type =
2105 gdk_x11_atom_to_xatom_for_display (GDK_WINDOW_DISPLAY (root_window),
2106 event->client.message_type);
2108 gdk_event_send_client_message_to_all_recurse (gdk_screen_get_display (screen),
2110 GDK_WINDOW_XID (root_window),
2115 *--------------------------------------------------------------
2118 * Flushes the Xlib output buffer and then waits
2119 * until all requests have been received and processed
2120 * by the X server. The only real use for this function
2121 * is in dealing with XShm.
2129 *--------------------------------------------------------------
2135 GSList *tmp_list = _gdk_displays;
2139 XSync (GDK_DISPLAY_XDISPLAY (tmp_list->data), False);
2140 tmp_list = tmp_list->next;
2145 timestamp_predicate (Display *display,
2149 Window xwindow = GPOINTER_TO_UINT (arg);
2150 GdkDisplay *gdk_display = gdk_x11_lookup_xdisplay (display);
2152 if (xevent->type == PropertyNotify &&
2153 xevent->xproperty.window == xwindow &&
2154 xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display
2155 (gdk_display, "GDK_TIMESTAMP_PROP"))
2162 * gdk_x11_get_server_time:
2163 * @window: a #GdkWindow, used for communication with the server.
2164 * The window must have GDK_PROPERTY_CHANGE_MASK in its
2165 * events mask or a hang will result.
2167 * Routine to get the current X server time stamp.
2169 * Return value: the time stamp.
2172 gdk_x11_get_server_time (GdkWindow *window)
2178 Atom timestamp_prop_atom;
2180 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
2181 g_return_val_if_fail (!GDK_WINDOW_DESTROYED (window), 0);
2183 xdisplay = GDK_WINDOW_XDISPLAY (window);
2184 xwindow = GDK_WINDOW_XWINDOW (window);
2185 timestamp_prop_atom =
2186 gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
2187 "GDK_TIMESTAMP_PROP");
2189 XChangeProperty (xdisplay, xwindow, timestamp_prop_atom,
2190 timestamp_prop_atom,
2191 8, PropModeReplace, &c, 1);
2193 XIfEvent (xdisplay, &xevent,
2194 timestamp_predicate, GUINT_TO_POINTER(xwindow));
2196 return xevent.xproperty.time;
2200 fetch_net_wm_check_window (GdkScreen *screen)
2202 GdkScreenX11 *screen_x11;
2203 GdkDisplay *display;
2210 /* This function is very slow on every call if you are not running a
2211 * spec-supporting WM. For now not optimized, because it isn't in
2212 * any critical code paths, but if you used it somewhere that had to
2213 * be fast you want to avoid "GTK is slow with old WMs" complaints.
2214 * Probably at that point the function should be changed to query
2215 * _NET_SUPPORTING_WM_CHECK only once every 10 seconds or something.
2218 screen_x11 = GDK_SCREEN_X11 (screen);
2219 display = screen_x11->display;
2221 if (screen_x11->wmspec_check_window != None)
2222 return; /* already have it */
2224 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), screen_x11->xroot_window,
2225 gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTING_WM_CHECK"),
2226 0, G_MAXLONG, False, XA_WINDOW, &type, &format,
2227 &n_items, &bytes_after, (guchar **) & xwindow);
2229 if (type != XA_WINDOW)
2232 gdk_error_trap_push ();
2234 /* Find out if this WM goes away, so we can reset everything. */
2235 XSelectInput (screen_x11->xdisplay, *xwindow, StructureNotifyMask);
2237 screen_x11->wmspec_check_window = *xwindow;
2240 screen_x11->need_refetch_net_supported = TRUE;
2241 screen_x11->need_refetch_wm_name = TRUE;
2243 /* Careful, reentrancy */
2244 _gdk_x11_screen_window_manager_changed (GDK_SCREEN (screen_x11));
2248 gdk_x11_screen_get_window_manager_name (GdkScreen *screen)
2250 GdkScreenX11 *screen_x11;
2252 screen_x11 = GDK_SCREEN_X11 (screen);
2254 fetch_net_wm_check_window (screen);
2256 if (screen_x11->need_refetch_wm_name)
2258 /* Get the name of the window manager */
2259 screen_x11->need_refetch_wm_name = FALSE;
2261 g_free (screen_x11->window_manager_name);
2262 screen_x11->window_manager_name = g_strdup ("unknown");
2264 if (screen_x11->wmspec_check_window != None)
2274 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (screen_x11->display),
2275 screen_x11->wmspec_check_window,
2276 gdk_x11_get_xatom_by_name_for_display (screen_x11->display,
2278 0, G_MAXLONG, False,
2279 gdk_x11_get_xatom_by_name_for_display (screen_x11->display,
2282 &n_items, &bytes_after,
2285 gdk_display_sync (screen_x11->display);
2287 gdk_error_trap_pop ();
2291 g_free (screen_x11->window_manager_name);
2292 screen_x11->window_manager_name = g_strdup (name);
2298 return GDK_SCREEN_X11 (screen)->window_manager_name;
2301 typedef struct _NetWmSupportedAtoms NetWmSupportedAtoms;
2303 struct _NetWmSupportedAtoms
2310 * gdk_x11_screen_supports_net_wm_hint:
2311 * @screen : the relevant #GdkScreen.
2312 * @property: a property atom.
2314 * This function is specific to the X11 backend of GDK, and indicates
2315 * whether the window manager supports a certain hint from the
2316 * Extended Window Manager Hints Specification. You can find this
2317 * specification on http://www.freedesktop.org.
2319 * When using this function, keep in mind that the window manager
2320 * can change over time; so you shouldn't use this function in
2321 * a way that impacts persistent application state. A common bug
2322 * is that your application can start up before the window manager
2323 * does when the user logs in, and before the window manager starts
2324 * gdk_x11_screen_supports_net_wm_hint() will return %FALSE for every property.
2325 * You can monitor the window_manager_changed signal on #GdkScreen to detect
2326 * a window manager change.
2328 * Return value: %TRUE if the window manager supports @property
2331 gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen,
2335 GdkScreenX11 *screen_x11;
2336 NetWmSupportedAtoms *supported_atoms;
2337 GdkDisplay *display;
2339 g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
2341 screen_x11 = GDK_SCREEN_X11 (screen);
2342 display = screen_x11->display;
2344 supported_atoms = g_object_get_data (G_OBJECT (screen), "gdk-net-wm-supported-atoms");
2345 if (!supported_atoms)
2347 supported_atoms = g_new0 (NetWmSupportedAtoms, 1);
2348 g_object_set_data (G_OBJECT (screen), "gdk-net-wm-supported-atoms", supported_atoms);
2351 fetch_net_wm_check_window (screen);
2353 if (screen_x11->wmspec_check_window == None)
2356 if (screen_x11->need_refetch_net_supported)
2358 /* WM has changed since we last got the supported list,
2365 screen_x11->need_refetch_net_supported = FALSE;
2367 if (supported_atoms->atoms)
2368 XFree (supported_atoms->atoms);
2370 supported_atoms->atoms = NULL;
2371 supported_atoms->n_atoms = 0;
2373 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), screen_x11->xroot_window,
2374 gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTED"),
2375 0, G_MAXLONG, False, XA_ATOM, &type, &format,
2376 &supported_atoms->n_atoms, &bytes_after,
2377 (guchar **)&supported_atoms->atoms);
2379 if (type != XA_ATOM)
2383 if (supported_atoms->atoms == NULL)
2387 while (i < supported_atoms->n_atoms)
2389 if (supported_atoms->atoms[i] == gdk_x11_atom_to_xatom_for_display (display, property))
2399 * gdk_net_wm_supports:
2400 * @property: a property atom.
2402 * This function is specific to the X11 backend of GDK, and indicates
2403 * whether the window manager for the default screen supports a certain
2404 * hint from the Extended Window Manager Hints Specification. See
2405 * gdk_x11_screen_supports_net_wm_hint() for complete details.
2407 * Return value: %TRUE if the window manager supports @property
2410 gdk_net_wm_supports (GdkAtom property)
2412 return gdk_x11_screen_supports_net_wm_hint (gdk_screen_get_default (), property);
2417 const char *xsettings_name;
2418 const char *gdk_name;
2419 } settings_map[] = {
2420 { "Net/DoubleClickTime", "gtk-double-click-time" },
2421 { "Net/DndDragThreshold", "gtk-dnd-drag-threshold" },
2422 { "Gtk/CanChangeAccels", "gtk-can-change-accels" },
2423 { "Gtk/ColorPalette", "gtk-color-palette" },
2424 { "Gtk/FontName", "gtk-font-name" },
2425 { "Gtk/IconSizes", "gtk-icon-sizes" },
2426 { "Gtk/KeyThemeName", "gtk-key-theme-name" },
2427 { "Gtk/ToolbarStyle", "gtk-toolbar-style" },
2428 { "Gtk/ToolbarIconSize", "gtk-toolbar-icon-size" },
2429 { "Gtk/IMPreeditStyle", "gtk-im-preedit-style" },
2430 { "Gtk/IMStatusStyle", "gtk-im-status-style" },
2431 { "Net/CursorBlink", "gtk-cursor-blink" },
2432 { "Net/CursorBlinkTime", "gtk-cursor-blink-time" },
2433 { "Net/ThemeName", "gtk-theme-name" }
2437 gdk_xsettings_notify_cb (const char *name,
2438 XSettingsAction action,
2439 XSettingsSetting *setting,
2443 GdkScreen *screen = data;
2444 GdkScreenX11 *screen_x11 = data;
2447 if (screen_x11->xsettings_in_init)
2450 new_event.type = GDK_SETTING;
2451 new_event.setting.window = gdk_screen_get_root_window (screen);
2452 new_event.setting.send_event = FALSE;
2453 new_event.setting.name = NULL;
2455 for (i = 0; i < G_N_ELEMENTS (settings_map) ; i++)
2456 if (strcmp (settings_map[i].xsettings_name, name) == 0)
2458 new_event.setting.name = (char *)settings_map[i].gdk_name;
2463 if (!new_event.setting.name)
2468 case XSETTINGS_ACTION_NEW:
2469 new_event.setting.action = GDK_SETTING_ACTION_NEW;
2471 case XSETTINGS_ACTION_CHANGED:
2472 new_event.setting.action = GDK_SETTING_ACTION_CHANGED;
2474 case XSETTINGS_ACTION_DELETED:
2475 new_event.setting.action = GDK_SETTING_ACTION_DELETED;
2479 gdk_event_put (&new_event);
2483 check_transform (const gchar *xsettings_name,
2487 if (!g_value_type_transformable (src_type, dest_type))
2489 g_warning ("Cannot tranform xsetting %s of type %s to type %s\n",
2491 g_type_name (src_type),
2492 g_type_name (dest_type));
2500 * gdk_screen_get_setting:
2501 * @screen: the #GdkScreen where the setting is located
2502 * @name: the name of the setting
2503 * @value: location to store the value of the setting
2505 * Retrieves a desktop-wide setting such as double-click time
2506 * for the #GdkScreen @screen.
2508 * FIXME needs a list of valid settings here, or a link to
2511 * Returns : %TRUE if the setting existed and a value was stored
2512 * in @value, %FALSE otherwise.
2515 gdk_screen_get_setting (GdkScreen *screen,
2520 const char *xsettings_name = NULL;
2521 XSettingsResult result;
2522 XSettingsSetting *setting;
2523 GdkScreenX11 *screen_x11;
2524 gboolean success = FALSE;
2526 GValue tmp_val = { 0, };
2528 g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
2530 screen_x11 = GDK_SCREEN_X11 (screen);
2532 for (i = 0; i < G_N_ELEMENTS (settings_map) ; i++)
2533 if (strcmp (settings_map[i].gdk_name, name) == 0)
2535 xsettings_name = settings_map[i].xsettings_name;
2539 if (!xsettings_name)
2542 result = xsettings_client_get_setting (screen_x11->xsettings_client,
2543 xsettings_name, &setting);
2544 if (result != XSETTINGS_SUCCESS)
2547 switch (setting->type)
2549 case XSETTINGS_TYPE_INT:
2550 if (check_transform (xsettings_name, G_TYPE_INT, G_VALUE_TYPE (value)))
2552 g_value_init (&tmp_val, G_TYPE_INT);
2553 g_value_set_int (&tmp_val, setting->data.v_int);
2554 g_value_transform (&tmp_val, value);
2559 case XSETTINGS_TYPE_STRING:
2560 if (check_transform (xsettings_name, G_TYPE_STRING, G_VALUE_TYPE (value)))
2562 g_value_init (&tmp_val, G_TYPE_STRING);
2563 g_value_set_string (&tmp_val, setting->data.v_string);
2564 g_value_transform (&tmp_val, value);
2569 case XSETTINGS_TYPE_COLOR:
2570 if (!check_transform (xsettings_name, GDK_TYPE_COLOR, G_VALUE_TYPE (value)))
2574 g_value_init (&tmp_val, GDK_TYPE_COLOR);
2577 color.red = setting->data.v_color.red;
2578 color.green = setting->data.v_color.green;
2579 color.blue = setting->data.v_color.blue;
2581 g_value_set_boxed (&tmp_val, &color);
2583 g_value_transform (&tmp_val, value);
2590 g_value_unset (&tmp_val);
2592 xsettings_setting_free (setting);
2597 static GdkFilterReturn
2598 gdk_xsettings_client_event_filter (GdkXEvent *xevent,
2602 GdkScreenX11 *screen = data;
2604 if (xsettings_client_process_event (screen->xsettings_client, (XEvent *)xevent))
2605 return GDK_FILTER_REMOVE;
2607 return GDK_FILTER_CONTINUE;
2611 gdk_xsettings_watch_cb (Window window,
2617 GdkScreen *screen = cb_data;
2619 gdkwin = gdk_window_lookup_for_display (gdk_screen_get_display (screen), window);
2624 gdkwin = gdk_window_foreign_new_for_display (gdk_screen_get_display (screen), window);
2626 g_object_ref (gdkwin);
2628 gdk_window_add_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
2633 gdk_window_remove_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
2634 g_object_unref (gdkwin);