1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 event.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 See the COPYING file for a copy of the GNU General Public License.
32 #include "menuframe.h"
38 #include "framerender.h"
40 #include "moveresize.h"
43 #include "extensions.h"
44 #include "translate.h"
47 #include <X11/Xatom.h>
50 #ifdef HAVE_SYS_SELECT_H
51 # include <sys/select.h>
57 # include <unistd.h> /* for usleep() */
60 # include <X11/XKBlib.h>
64 #include <X11/ICE/ICElib.h>
78 static void event_process(const XEvent *e, gpointer data);
79 static void event_handle_root(XEvent *e);
80 static gboolean event_handle_menu_keyboard(XEvent *e);
81 static gboolean event_handle_menu(XEvent *e);
82 static void event_handle_dock(ObDock *s, XEvent *e);
83 static void event_handle_dockapp(ObDockApp *app, XEvent *e);
84 static void event_handle_client(ObClient *c, XEvent *e);
85 static void event_handle_user_time_window_clients(GSList *l, XEvent *e);
86 static void event_handle_user_input(ObClient *client, XEvent *e);
88 static void focus_delay_dest(gpointer data);
89 static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2);
90 static gboolean focus_delay_func(gpointer data);
91 static void focus_delay_client_dest(ObClient *client, gpointer data);
93 static gboolean menu_hide_delay_func(gpointer data);
95 /* The time for the current event being processed */
96 Time event_curtime = CurrentTime;
98 static guint ignore_enter_focus = 0;
99 static gboolean menu_can_hide;
100 static gboolean focus_left_screen = FALSE;
103 static void ice_handler(gint fd, gpointer conn)
106 IceProcessMessages(conn, NULL, &b);
109 static void ice_watch(IceConn conn, IcePointer data, Bool opening,
110 IcePointer *watch_data)
115 fd = IceConnectionNumber(conn);
116 ob_main_loop_fd_add(ob_main_loop, fd, ice_handler, conn, NULL);
118 ob_main_loop_fd_remove(ob_main_loop, fd);
124 void event_startup(gboolean reconfig)
126 if (reconfig) return;
128 ob_main_loop_x_add(ob_main_loop, event_process, NULL, NULL);
131 IceAddConnectionWatch(ice_watch, NULL);
134 client_add_destroy_notify(focus_delay_client_dest, NULL);
137 void event_shutdown(gboolean reconfig)
139 if (reconfig) return;
142 IceRemoveConnectionWatch(ice_watch, NULL);
145 client_remove_destroy_notify(focus_delay_client_dest);
148 static Window event_get_window(XEvent *e)
155 window = RootWindow(ob_display, ob_screen);
158 window = e->xmap.window;
161 window = e->xunmap.window;
164 window = e->xdestroywindow.window;
166 case ConfigureRequest:
167 window = e->xconfigurerequest.window;
169 case ConfigureNotify:
170 window = e->xconfigure.window;
174 if (extensions_xkb && e->type == extensions_xkb_event_basep) {
175 switch (((XkbAnyEvent*)e)->xkb_type) {
177 window = ((XkbBellNotifyEvent*)e)->window;
184 if (extensions_sync &&
185 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
190 window = e->xany.window;
195 static void event_set_curtime(XEvent *e)
197 Time t = CurrentTime;
199 /* grab the lasttime and hack up the state */
215 t = e->xproperty.time;
219 t = e->xcrossing.time;
223 if (extensions_sync &&
224 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
226 t = ((XSyncAlarmNotifyEvent*)e)->time;
229 /* if more event types are anticipated, get their timestamp
237 static void event_hack_mods(XEvent *e)
240 XkbStateRec xkb_state;
246 e->xbutton.state = modkeys_only_modifier_masks(e->xbutton.state);
249 e->xkey.state = modkeys_only_modifier_masks(e->xkey.state);
252 e->xkey.state = modkeys_only_modifier_masks(e->xkey.state);
254 if (XkbGetState(ob_display, XkbUseCoreKbd, &xkb_state) == Success) {
255 e->xkey.state = xkb_state.compat_state;
259 /* remove from the state the mask of the modifier key being released,
260 if it is a modifier key being released that is */
261 e->xkey.state &= ~modkeys_keycode_to_mask(e->xkey.keycode);
264 e->xmotion.state = modkeys_only_modifier_masks(e->xmotion.state);
265 /* compress events */
268 while (XCheckTypedWindowEvent(ob_display, e->xmotion.window,
270 e->xmotion.x_root = ce.xmotion.x_root;
271 e->xmotion.y_root = ce.xmotion.y_root;
278 static gboolean wanted_focusevent(XEvent *e, gboolean in_client_only)
280 gint mode = e->xfocus.mode;
281 gint detail = e->xfocus.detail;
282 Window win = e->xany.window;
284 if (e->type == FocusIn) {
285 /* These are ones we never want.. */
287 /* This means focus was given by a keyboard/mouse grab. */
288 if (mode == NotifyGrab)
290 /* This means focus was given back from a keyboard/mouse grab. */
291 if (mode == NotifyUngrab)
294 /* These are the ones we want.. */
296 if (win == RootWindow(ob_display, ob_screen)) {
297 /* If looking for a focus in on a client, then always return
298 FALSE for focus in's to the root window */
301 /* This means focus reverted off of a client */
302 else if (detail == NotifyPointerRoot ||
303 detail == NotifyDetailNone ||
304 detail == NotifyInferior)
310 /* This means focus moved to the frame window */
311 if (detail == NotifyInferior && !in_client_only)
314 /* It was on a client, was it a valid one?
315 It's possible to get a FocusIn event for a client that was managed
316 but has disappeared. Don't even parse those FocusIn events.
319 ObWindow *w = g_hash_table_lookup(window_map, &e->xfocus.window);
320 if (!w || !WINDOW_IS_CLIENT(w))
324 /* This means focus moved from the root window to a client */
325 if (detail == NotifyVirtual)
327 /* This means focus moved from one client to another */
328 if (detail == NotifyNonlinearVirtual)
334 g_assert(e->type == FocusOut);
336 /* These are ones we never want.. */
338 /* This means focus was taken by a keyboard/mouse grab. */
339 if (mode == NotifyGrab)
342 /* Focus left the root window revertedto state */
343 if (win == RootWindow(ob_display, ob_screen))
346 /* These are the ones we want.. */
348 /* This means focus moved from a client to the root window */
349 if (detail == NotifyVirtual)
351 /* This means focus moved from one client to another */
352 if (detail == NotifyNonlinearVirtual)
354 /* This means focus had moved to our frame window and now moved off */
355 if (detail == NotifyNonlinear)
363 static Bool event_look_for_focusin(Display *d, XEvent *e, XPointer arg)
365 return e->type == FocusIn && wanted_focusevent(e, FALSE);
368 Bool event_look_for_focusin_client(Display *d, XEvent *e, XPointer arg)
370 return e->type == FocusIn && wanted_focusevent(e, TRUE);
373 static void print_focusevent(XEvent *e)
375 gint mode = e->xfocus.mode;
376 gint detail = e->xfocus.detail;
377 Window win = e->xany.window;
378 const gchar *modestr, *detailstr;
381 case NotifyNormal: modestr="NotifyNormal"; break;
382 case NotifyGrab: modestr="NotifyGrab"; break;
383 case NotifyUngrab: modestr="NotifyUngrab"; break;
384 case NotifyWhileGrabbed: modestr="NotifyWhileGrabbed"; break;
387 case NotifyAncestor: detailstr="NotifyAncestor"; break;
388 case NotifyVirtual: detailstr="NotifyVirtual"; break;
389 case NotifyInferior: detailstr="NotifyInferior"; break;
390 case NotifyNonlinear: detailstr="NotifyNonlinear"; break;
391 case NotifyNonlinearVirtual: detailstr="NotifyNonlinearVirtual"; break;
392 case NotifyPointer: detailstr="NotifyPointer"; break;
393 case NotifyPointerRoot: detailstr="NotifyPointerRoot"; break;
394 case NotifyDetailNone: detailstr="NotifyDetailNone"; break;
399 ob_debug_type(OB_DEBUG_FOCUS, "Focus%s 0x%x mode=%s detail=%s\n",
400 (e->xfocus.type == FocusIn ? "In" : "Out"),
406 static gboolean event_ignore(XEvent *e, ObClient *client)
411 if (!wanted_focusevent(e, FALSE))
416 if (!wanted_focusevent(e, FALSE))
423 static void event_process(const XEvent *ec, gpointer data)
426 ObClient *client = NULL;
428 ObDockApp *dockapp = NULL;
429 ObWindow *obwin = NULL;
430 GSList *timewinclients = NULL;
432 ObEventData *ed = data;
434 /* make a copy we can mangle */
438 window = event_get_window(e);
439 if (e->type != PropertyNotify ||
440 !(timewinclients = propwin_get_clients(window,
441 OB_PROPWIN_USER_TIME)))
442 if ((obwin = g_hash_table_lookup(window_map, &window))) {
443 switch (obwin->type) {
445 dock = WINDOW_AS_DOCK(obwin);
448 dockapp = WINDOW_AS_DOCKAPP(obwin);
451 client = WINDOW_AS_CLIENT(obwin);
454 case Window_Internal:
455 /* not to be used for events */
456 g_assert_not_reached();
461 event_set_curtime(e);
463 if (event_ignore(e, client)) {
470 /* deal with it in the kernel */
472 if (menu_frame_visible &&
473 (e->type == EnterNotify || e->type == LeaveNotify))
475 /* crossing events for menu */
476 event_handle_menu(e);
477 } else if (e->type == FocusIn) {
478 if (e->xfocus.detail == NotifyPointerRoot ||
479 e->xfocus.detail == NotifyDetailNone ||
480 e->xfocus.detail == NotifyInferior)
484 ob_debug_type(OB_DEBUG_FOCUS,
485 "Focus went to pointer root/none or to our frame "
488 /* If another FocusIn is in the queue then don't fallback yet. This
489 fixes the fun case of:
490 window map -> send focusin
491 window unmap -> get focusout
492 window map -> send focusin
493 get first focus out -> fall back to something (new window
494 hasn't received focus yet, so something else) -> send focusin
495 which means the "something else" is the last thing to get a
496 focusin sent to it, so the new window doesn't end up with focus.
498 But if the other focus in is something like PointerRoot then we
499 still want to fall back.
501 if (XCheckIfEvent(ob_display, &ce, event_look_for_focusin_client,
504 XPutBackEvent(ob_display, &ce);
505 ob_debug_type(OB_DEBUG_FOCUS,
506 " but another FocusIn is coming\n");
508 /* Focus has been reverted to the root window, nothing, or to
511 FocusOut events come after UnmapNotify, so we don't need to
512 worry about focusing an invalid window
515 /* In this case we know focus is in our screen */
516 if (e->xfocus.detail == NotifyInferior)
517 focus_left_screen = FALSE;
519 if (!focus_left_screen)
520 focus_fallback(TRUE);
523 else if (client != focus_client) {
524 focus_left_screen = FALSE;
525 frame_adjust_focus(client->frame, TRUE);
526 focus_set_client(client);
527 client_calc_layer(client);
528 client_bring_helper_windows(client);
530 } else if (e->type == FocusOut) {
531 gboolean nomove = FALSE;
534 /* Look for the followup FocusIn */
535 if (!XCheckIfEvent(ob_display, &ce, event_look_for_focusin, NULL)) {
536 /* There is no FocusIn, this means focus went to a window that
537 is not being managed, or a window on another screen. */
541 xerror_set_ignore(TRUE);
542 if (XGetInputFocus(ob_display, &win, &i) != 0 &&
543 XGetGeometry(ob_display, win, &root, &i,&i,&u,&u,&u,&u) != 0 &&
544 root != RootWindow(ob_display, ob_screen))
546 ob_debug_type(OB_DEBUG_FOCUS,
547 "Focus went to another screen !\n");
548 focus_left_screen = TRUE;
551 ob_debug_type(OB_DEBUG_FOCUS,
552 "Focus went to a black hole !\n");
553 xerror_set_ignore(FALSE);
554 /* nothing is focused */
555 focus_set_client(NULL);
556 } else if (ce.xany.window == e->xany.window) {
557 ob_debug_type(OB_DEBUG_FOCUS, "Focus didn't go anywhere\n");
558 /* If focus didn't actually move anywhere, there is nothing to do*/
561 /* Focus did move, so process the FocusIn event */
562 ObEventData ed = { .ignored = FALSE };
563 event_process(&ce, &ed);
565 /* The FocusIn was ignored, this means it was on a window
566 that isn't a client. */
567 ob_debug_type(OB_DEBUG_FOCUS,
568 "Focus went to an unmanaged window 0x%x !\n",
570 focus_fallback(TRUE);
574 if (client && !nomove) {
575 frame_adjust_focus(client->frame, FALSE);
576 if (client == focus_client)
577 focus_set_client(NULL);
578 /* focus_set_client has already been called for sure */
579 client_calc_layer(client);
581 } else if (timewinclients)
582 event_handle_user_time_window_clients(timewinclients, e);
584 event_handle_client(client, e);
586 event_handle_dockapp(dockapp, e);
588 event_handle_dock(dock, e);
589 else if (window == RootWindow(ob_display, ob_screen))
590 event_handle_root(e);
591 else if (e->type == MapRequest)
592 client_manage(window);
593 else if (e->type == ClientMessage) {
594 /* This is for _NET_WM_REQUEST_FRAME_EXTENTS messages. They come for
595 windows that are not managed yet. */
596 if (e->xclient.message_type == prop_atoms.net_request_frame_extents) {
597 /* Pretend to manage the client, getting information used to
598 determine its decorations */
599 ObClient *c = client_fake_manage(e->xclient.window);
602 /* set the frame extents on the window */
603 vals[0] = c->frame->size.left;
604 vals[1] = c->frame->size.right;
605 vals[2] = c->frame->size.top;
606 vals[3] = c->frame->size.bottom;
607 PROP_SETA32(e->xclient.window, net_frame_extents,
610 /* Free the pretend client */
611 client_fake_unmanage(c);
614 else if (e->type == ConfigureRequest) {
615 /* unhandled configure requests must be used to configure the
619 xwc.x = e->xconfigurerequest.x;
620 xwc.y = e->xconfigurerequest.y;
621 xwc.width = e->xconfigurerequest.width;
622 xwc.height = e->xconfigurerequest.height;
623 xwc.border_width = e->xconfigurerequest.border_width;
624 xwc.sibling = e->xconfigurerequest.above;
625 xwc.stack_mode = e->xconfigurerequest.detail;
627 /* we are not to be held responsible if someone sends us an
629 xerror_set_ignore(TRUE);
630 XConfigureWindow(ob_display, window,
631 e->xconfigurerequest.value_mask, &xwc);
632 xerror_set_ignore(FALSE);
635 else if (extensions_sync &&
636 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
638 XSyncAlarmNotifyEvent *se = (XSyncAlarmNotifyEvent*)e;
639 if (se->alarm == moveresize_alarm && moveresize_in_progress)
644 if (e->type == ButtonPress || e->type == ButtonRelease ||
645 e->type == MotionNotify || e->type == KeyPress ||
646 e->type == KeyRelease)
648 event_handle_user_input(client, e);
651 /* if something happens and it's not from an XEvent, then we don't know
653 event_curtime = CurrentTime;
656 static void event_handle_root(XEvent *e)
662 ob_debug("Another WM has requested to replace us. Exiting.\n");
667 if (e->xclient.format != 32) break;
669 msgtype = e->xclient.message_type;
670 if (msgtype == prop_atoms.net_current_desktop) {
671 guint d = e->xclient.data.l[0];
672 if (d < screen_num_desktops) {
673 event_curtime = e->xclient.data.l[1];
674 if (event_curtime == 0)
675 ob_debug_type(OB_DEBUG_APP_BUGS,
676 "_NET_CURRENT_DESKTOP message is missing "
678 screen_set_desktop(d, TRUE);
680 } else if (msgtype == prop_atoms.net_number_of_desktops) {
681 guint d = e->xclient.data.l[0];
683 screen_set_num_desktops(d);
684 } else if (msgtype == prop_atoms.net_showing_desktop) {
685 screen_show_desktop(e->xclient.data.l[0] != 0, NULL);
686 } else if (msgtype == prop_atoms.ob_control) {
687 if (e->xclient.data.l[0] == 1)
689 else if (e->xclient.data.l[0] == 2)
694 if (e->xproperty.atom == prop_atoms.net_desktop_names)
695 screen_update_desktop_names();
696 else if (e->xproperty.atom == prop_atoms.net_desktop_layout)
697 screen_update_layout();
699 case ConfigureNotify:
701 XRRUpdateConfiguration(e);
710 void event_enter_client(ObClient *client)
712 g_assert(config_focus_follow);
714 if (client_enter_focusable(client) && client_can_focus(client)) {
715 if (config_focus_delay) {
716 ObFocusDelayData *data;
718 ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
720 data = g_new(ObFocusDelayData, 1);
721 data->client = client;
722 data->time = event_curtime;
724 ob_main_loop_timeout_add(ob_main_loop,
727 data, focus_delay_cmp, focus_delay_dest);
729 ObFocusDelayData data;
730 data.client = client;
731 data.time = event_curtime;
732 focus_delay_func(&data);
737 static void event_handle_user_time_window_clients(GSList *l, XEvent *e)
739 g_assert(e->type == PropertyNotify);
740 if (e->xproperty.atom == prop_atoms.net_wm_user_time) {
741 for (; l; l = g_slist_next(l))
742 client_update_user_time(l->data);
746 static void event_handle_client(ObClient *client, XEvent *e)
751 static gint px = -1, py = -1;
756 /* save where the press occured for the first button pressed */
758 pb = e->xbutton.button;
763 /* Wheel buttons don't draw because they are an instant click, so it
764 is a waste of resources to go drawing it.
765 if the user is doing an intereactive thing, or has a menu open then
766 the mouse is grabbed (possibly) and if we get these events we don't
767 want to deal with them
769 if (!(e->xbutton.button == 4 || e->xbutton.button == 5) &&
770 !keyboard_interactively_grabbed() &&
773 /* use where the press occured */
774 con = frame_context(client, e->xbutton.window, px, py);
775 con = mouse_button_frame_context(con, e->xbutton.button);
777 if (e->type == ButtonRelease && e->xbutton.button == pb)
778 pb = 0, px = py = -1;
781 case OB_FRAME_CONTEXT_MAXIMIZE:
782 client->frame->max_press = (e->type == ButtonPress);
783 framerender_frame(client->frame);
785 case OB_FRAME_CONTEXT_CLOSE:
786 client->frame->close_press = (e->type == ButtonPress);
787 framerender_frame(client->frame);
789 case OB_FRAME_CONTEXT_ICONIFY:
790 client->frame->iconify_press = (e->type == ButtonPress);
791 framerender_frame(client->frame);
793 case OB_FRAME_CONTEXT_ALLDESKTOPS:
794 client->frame->desk_press = (e->type == ButtonPress);
795 framerender_frame(client->frame);
797 case OB_FRAME_CONTEXT_SHADE:
798 client->frame->shade_press = (e->type == ButtonPress);
799 framerender_frame(client->frame);
802 /* nothing changes with clicks for any other contexts */
808 con = frame_context(client, e->xmotion.window,
809 e->xmotion.x, e->xmotion.y);
811 case OB_FRAME_CONTEXT_TITLEBAR:
812 /* we've left the button area inside the titlebar */
813 if (client->frame->max_hover || client->frame->desk_hover ||
814 client->frame->shade_hover || client->frame->iconify_hover ||
815 client->frame->close_hover)
817 client->frame->max_hover = FALSE;
818 client->frame->desk_hover = FALSE;
819 client->frame->shade_hover = FALSE;
820 client->frame->iconify_hover = FALSE;
821 client->frame->close_hover = FALSE;
822 frame_adjust_state(client->frame);
825 case OB_FRAME_CONTEXT_MAXIMIZE:
826 if (!client->frame->max_hover) {
827 client->frame->max_hover = TRUE;
828 frame_adjust_state(client->frame);
831 case OB_FRAME_CONTEXT_ALLDESKTOPS:
832 if (!client->frame->desk_hover) {
833 client->frame->desk_hover = TRUE;
834 frame_adjust_state(client->frame);
837 case OB_FRAME_CONTEXT_SHADE:
838 if (!client->frame->shade_hover) {
839 client->frame->shade_hover = TRUE;
840 frame_adjust_state(client->frame);
843 case OB_FRAME_CONTEXT_ICONIFY:
844 if (!client->frame->iconify_hover) {
845 client->frame->iconify_hover = TRUE;
846 frame_adjust_state(client->frame);
849 case OB_FRAME_CONTEXT_CLOSE:
850 if (!client->frame->close_hover) {
851 client->frame->close_hover = TRUE;
852 frame_adjust_state(client->frame);
860 con = frame_context(client, e->xcrossing.window,
861 e->xcrossing.x, e->xcrossing.y);
863 case OB_FRAME_CONTEXT_MAXIMIZE:
864 client->frame->max_hover = FALSE;
865 frame_adjust_state(client->frame);
867 case OB_FRAME_CONTEXT_ALLDESKTOPS:
868 client->frame->desk_hover = FALSE;
869 frame_adjust_state(client->frame);
871 case OB_FRAME_CONTEXT_SHADE:
872 client->frame->shade_hover = FALSE;
873 frame_adjust_state(client->frame);
875 case OB_FRAME_CONTEXT_ICONIFY:
876 client->frame->iconify_hover = FALSE;
877 frame_adjust_state(client->frame);
879 case OB_FRAME_CONTEXT_CLOSE:
880 client->frame->close_hover = FALSE;
881 frame_adjust_state(client->frame);
883 case OB_FRAME_CONTEXT_FRAME:
884 /* When the mouse leaves an animating window, don't use the
885 corresponding enter events. Pretend like the animating window
886 doesn't even exist..! */
887 if (frame_iconify_animating(client->frame))
888 event_ignore_queued_enters();
890 ob_debug_type(OB_DEBUG_FOCUS,
891 "%sNotify mode %d detail %d on %lx\n",
892 (e->type == EnterNotify ? "Enter" : "Leave"),
894 e->xcrossing.detail, (client?client->window:0));
895 if (keyboard_interactively_grabbed())
897 if (config_focus_follow && config_focus_delay &&
898 /* leave inferior events can happen when the mouse goes onto
899 the window's border and then into the window before the
901 e->xcrossing.detail != NotifyInferior)
903 ob_main_loop_timeout_remove_data(ob_main_loop,
914 gboolean nofocus = FALSE;
916 if (ignore_enter_focus) {
917 ignore_enter_focus--;
921 con = frame_context(client, e->xcrossing.window,
922 e->xcrossing.x, e->xcrossing.y);
924 case OB_FRAME_CONTEXT_MAXIMIZE:
925 client->frame->max_hover = TRUE;
926 frame_adjust_state(client->frame);
928 case OB_FRAME_CONTEXT_ALLDESKTOPS:
929 client->frame->desk_hover = TRUE;
930 frame_adjust_state(client->frame);
932 case OB_FRAME_CONTEXT_SHADE:
933 client->frame->shade_hover = TRUE;
934 frame_adjust_state(client->frame);
936 case OB_FRAME_CONTEXT_ICONIFY:
937 client->frame->iconify_hover = TRUE;
938 frame_adjust_state(client->frame);
940 case OB_FRAME_CONTEXT_CLOSE:
941 client->frame->close_hover = TRUE;
942 frame_adjust_state(client->frame);
944 case OB_FRAME_CONTEXT_FRAME:
945 if (keyboard_interactively_grabbed())
947 if (e->xcrossing.mode == NotifyGrab ||
948 e->xcrossing.mode == NotifyUngrab ||
949 /*ignore enters when we're already in the window */
950 e->xcrossing.detail == NotifyInferior)
952 ob_debug_type(OB_DEBUG_FOCUS,
953 "%sNotify mode %d detail %d on %lx IGNORED\n",
954 (e->type == EnterNotify ? "Enter" : "Leave"),
956 e->xcrossing.detail, client?client->window:0);
958 ob_debug_type(OB_DEBUG_FOCUS,
959 "%sNotify mode %d detail %d on %lx, "
960 "focusing window: %d\n",
961 (e->type == EnterNotify ? "Enter" : "Leave"),
963 e->xcrossing.detail, (client?client->window:0),
965 if (!nofocus && config_focus_follow)
966 event_enter_client(client);
974 case ConfigureRequest:
976 /* dont compress these unless you're going to watch for property
977 notifies in between (these can change what the configure would
979 also you can't compress stacking events
984 /* if nothing is changed, then a configurenotify is needed */
985 gboolean config = TRUE;
989 w = client->area.width;
990 h = client->area.height;
992 ob_debug("ConfigureRequest desktop %d wmstate %d visibile %d\n",
993 screen_desktop, client->wmstate, client->frame->visible);
995 if (e->xconfigurerequest.value_mask & CWBorderWidth)
996 if (client->border_width != e->xconfigurerequest.border_width) {
997 client->border_width = e->xconfigurerequest.border_width;
998 /* if only the border width is changing, then it's not needed*/
1003 if (e->xconfigurerequest.value_mask & CWStackMode) {
1004 ObClient *sibling = NULL;
1006 /* get the sibling */
1007 if (e->xconfigurerequest.value_mask & CWSibling) {
1009 win = g_hash_table_lookup(window_map,
1010 &e->xconfigurerequest.above);
1011 if (WINDOW_IS_CLIENT(win) && WINDOW_AS_CLIENT(win) != client)
1012 sibling = WINDOW_AS_CLIENT(win);
1015 /* activate it rather than just focus it */
1016 stacking_restack_request(client, sibling,
1017 e->xconfigurerequest.detail, TRUE);
1019 /* if a stacking change is requested then it is needed */
1023 /* don't allow clients to move shaded windows (fvwm does this) */
1024 if (client->shaded && (e->xconfigurerequest.value_mask & CWX ||
1025 e->xconfigurerequest.value_mask & CWY))
1027 e->xconfigurerequest.value_mask &= ~CWX;
1028 e->xconfigurerequest.value_mask &= ~CWY;
1030 /* if the client tried to move and we aren't letting it then a
1031 synthetic event is needed */
1035 if (e->xconfigurerequest.value_mask & CWX ||
1036 e->xconfigurerequest.value_mask & CWY ||
1037 e->xconfigurerequest.value_mask & CWWidth ||
1038 e->xconfigurerequest.value_mask & CWHeight)
1040 if (e->xconfigurerequest.value_mask & CWX)
1041 x = e->xconfigurerequest.x;
1042 if (e->xconfigurerequest.value_mask & CWY)
1043 y = e->xconfigurerequest.y;
1044 if (e->xconfigurerequest.value_mask & CWWidth)
1045 w = e->xconfigurerequest.width;
1046 if (e->xconfigurerequest.value_mask & CWHeight)
1047 h = e->xconfigurerequest.height;
1049 /* if a new position or size is requested, then a configure is
1054 ob_debug("ConfigureRequest x(%d) %d y(%d) %d w(%d) %d h(%d) %d\n",
1055 e->xconfigurerequest.value_mask & CWX, x,
1056 e->xconfigurerequest.value_mask & CWY, y,
1057 e->xconfigurerequest.value_mask & CWWidth, w,
1058 e->xconfigurerequest.value_mask & CWHeight, h);
1060 /* check for broken apps moving to their root position
1062 XXX remove this some day...that would be nice. right now all
1063 kde apps do this when they try activate themselves on another
1064 desktop. eg. open amarok window on desktop 1, switch to desktop
1065 2, click amarok tray icon. it will move by its decoration size.
1067 if (x != client->area.x &&
1068 x == (client->frame->area.x + client->frame->size.left -
1069 (gint)client->border_width) &&
1070 y != client->area.y &&
1071 y == (client->frame->area.y + client->frame->size.top -
1072 (gint)client->border_width))
1074 ob_debug_type(OB_DEBUG_APP_BUGS,
1075 "Application %s is trying to move via "
1076 "ConfigureRequest to it's root window position "
1077 "but it is not using StaticGravity\n",
1085 client_find_onscreen(client, &x, &y, w, h, FALSE);
1086 client_configure_full(client, x, y, w, h, FALSE, TRUE);
1091 if (client->ignore_unmaps) {
1092 client->ignore_unmaps--;
1095 ob_debug("UnmapNotify for window 0x%x eventwin 0x%x sendevent %d "
1096 "ignores left %d\n",
1097 client->window, e->xunmap.event, e->xunmap.from_configure,
1098 client->ignore_unmaps);
1099 client_unmanage(client);
1102 ob_debug("DestroyNotify for window 0x%x\n", client->window);
1103 client_unmanage(client);
1105 case ReparentNotify:
1106 /* this is when the client is first taken captive in the frame */
1107 if (e->xreparent.parent == client->frame->plate) break;
1110 This event is quite rare and is usually handled in unmapHandler.
1111 However, if the window is unmapped when the reparent event occurs,
1112 the window manager never sees it because an unmap event is not sent
1113 to an already unmapped window.
1116 /* we don't want the reparent event, put it back on the stack for the
1117 X server to deal with after we unmanage the window */
1118 XPutBackEvent(ob_display, e);
1120 ob_debug("ReparentNotify for window 0x%x\n", client->window);
1121 client_unmanage(client);
1124 ob_debug("MapRequest for 0x%lx\n", client->window);
1125 if (!client->iconic) break; /* this normally doesn't happen, but if it
1126 does, we don't want it!
1127 it can happen now when the window is on
1128 another desktop, but we still don't
1130 client_activate(client, FALSE, TRUE);
1133 /* validate cuz we query stuff off the client here */
1134 if (!client_validate(client)) break;
1136 if (e->xclient.format != 32) return;
1138 msgtype = e->xclient.message_type;
1139 if (msgtype == prop_atoms.wm_change_state) {
1140 /* compress changes into a single change */
1141 while (XCheckTypedWindowEvent(ob_display, client->window,
1143 /* XXX: it would be nice to compress ALL messages of a
1144 type, not just messages in a row without other
1145 message types between. */
1146 if (ce.xclient.message_type != msgtype) {
1147 XPutBackEvent(ob_display, &ce);
1150 e->xclient = ce.xclient;
1152 client_set_wm_state(client, e->xclient.data.l[0]);
1153 } else if (msgtype == prop_atoms.net_wm_desktop) {
1154 /* compress changes into a single change */
1155 while (XCheckTypedWindowEvent(ob_display, client->window,
1157 /* XXX: it would be nice to compress ALL messages of a
1158 type, not just messages in a row without other
1159 message types between. */
1160 if (ce.xclient.message_type != msgtype) {
1161 XPutBackEvent(ob_display, &ce);
1164 e->xclient = ce.xclient;
1166 if ((unsigned)e->xclient.data.l[0] < screen_num_desktops ||
1167 (unsigned)e->xclient.data.l[0] == DESKTOP_ALL)
1168 client_set_desktop(client, (unsigned)e->xclient.data.l[0],
1170 } else if (msgtype == prop_atoms.net_wm_state) {
1171 /* can't compress these */
1172 ob_debug("net_wm_state %s %ld %ld for 0x%lx\n",
1173 (e->xclient.data.l[0] == 0 ? "Remove" :
1174 e->xclient.data.l[0] == 1 ? "Add" :
1175 e->xclient.data.l[0] == 2 ? "Toggle" : "INVALID"),
1176 e->xclient.data.l[1], e->xclient.data.l[2],
1178 client_set_state(client, e->xclient.data.l[0],
1179 e->xclient.data.l[1], e->xclient.data.l[2]);
1180 } else if (msgtype == prop_atoms.net_close_window) {
1181 ob_debug("net_close_window for 0x%lx\n", client->window);
1182 client_close(client);
1183 } else if (msgtype == prop_atoms.net_active_window) {
1184 ob_debug("net_active_window for 0x%lx source=%s\n",
1186 (e->xclient.data.l[0] == 0 ? "unknown" :
1187 (e->xclient.data.l[0] == 1 ? "application" :
1188 (e->xclient.data.l[0] == 2 ? "user" : "INVALID"))));
1189 /* XXX make use of data.l[2] !? */
1190 event_curtime = e->xclient.data.l[1];
1191 if (event_curtime == 0)
1192 ob_debug_type(OB_DEBUG_APP_BUGS,
1193 "_NET_ACTIVE_WINDOW message for window %s is "
1194 "missing a timestamp\n", client->title);
1195 client_activate(client, FALSE,
1196 (e->xclient.data.l[0] == 0 ||
1197 e->xclient.data.l[0] == 2));
1198 } else if (msgtype == prop_atoms.net_wm_moveresize) {
1199 ob_debug("net_wm_moveresize for 0x%lx direction %d\n",
1200 client->window, e->xclient.data.l[2]);
1201 if ((Atom)e->xclient.data.l[2] ==
1202 prop_atoms.net_wm_moveresize_size_topleft ||
1203 (Atom)e->xclient.data.l[2] ==
1204 prop_atoms.net_wm_moveresize_size_top ||
1205 (Atom)e->xclient.data.l[2] ==
1206 prop_atoms.net_wm_moveresize_size_topright ||
1207 (Atom)e->xclient.data.l[2] ==
1208 prop_atoms.net_wm_moveresize_size_right ||
1209 (Atom)e->xclient.data.l[2] ==
1210 prop_atoms.net_wm_moveresize_size_right ||
1211 (Atom)e->xclient.data.l[2] ==
1212 prop_atoms.net_wm_moveresize_size_bottomright ||
1213 (Atom)e->xclient.data.l[2] ==
1214 prop_atoms.net_wm_moveresize_size_bottom ||
1215 (Atom)e->xclient.data.l[2] ==
1216 prop_atoms.net_wm_moveresize_size_bottomleft ||
1217 (Atom)e->xclient.data.l[2] ==
1218 prop_atoms.net_wm_moveresize_size_left ||
1219 (Atom)e->xclient.data.l[2] ==
1220 prop_atoms.net_wm_moveresize_move ||
1221 (Atom)e->xclient.data.l[2] ==
1222 prop_atoms.net_wm_moveresize_size_keyboard ||
1223 (Atom)e->xclient.data.l[2] ==
1224 prop_atoms.net_wm_moveresize_move_keyboard) {
1226 moveresize_start(client, e->xclient.data.l[0],
1227 e->xclient.data.l[1], e->xclient.data.l[3],
1228 e->xclient.data.l[2]);
1230 else if ((Atom)e->xclient.data.l[2] ==
1231 prop_atoms.net_wm_moveresize_cancel)
1232 moveresize_end(TRUE);
1233 } else if (msgtype == prop_atoms.net_moveresize_window) {
1234 gint grav, x, y, w, h;
1236 if (e->xclient.data.l[0] & 0xff)
1237 grav = e->xclient.data.l[0] & 0xff;
1239 grav = client->gravity;
1241 if (e->xclient.data.l[0] & 1 << 8)
1242 x = e->xclient.data.l[1];
1245 if (e->xclient.data.l[0] & 1 << 9)
1246 y = e->xclient.data.l[2];
1249 if (e->xclient.data.l[0] & 1 << 10)
1250 w = e->xclient.data.l[3];
1252 w = client->area.width;
1253 if (e->xclient.data.l[0] & 1 << 11)
1254 h = e->xclient.data.l[4];
1256 h = client->area.height;
1258 ob_debug("MOVERESIZE x %d %d y %d %d\n",
1259 e->xclient.data.l[0] & 1 << 8, x,
1260 e->xclient.data.l[0] & 1 << 9, y);
1261 client_convert_gravity(client, grav, &x, &y, w, h);
1262 client_find_onscreen(client, &x, &y, w, h, FALSE);
1263 client_configure(client, x, y, w, h, FALSE, TRUE);
1264 } else if (msgtype == prop_atoms.net_restack_window) {
1265 if (e->xclient.data.l[0] != 2) {
1266 ob_debug_type(OB_DEBUG_APP_BUGS,
1267 "_NET_RESTACK_WINDOW sent for window %s with "
1268 "invalid source indication %ld\n",
1269 client->title, e->xclient.data.l[0]);
1271 ObClient *sibling = NULL;
1272 if (e->xclient.data.l[1]) {
1273 ObWindow *win = g_hash_table_lookup(window_map,
1274 &e->xclient.data.l[1]);
1275 if (WINDOW_IS_CLIENT(win) &&
1276 WINDOW_AS_CLIENT(win) != client)
1278 sibling = WINDOW_AS_CLIENT(win);
1280 if (sibling == NULL)
1281 ob_debug_type(OB_DEBUG_APP_BUGS,
1282 "_NET_RESTACK_WINDOW sent for window %s "
1283 "with invalid sibling 0x%x\n",
1284 client->title, e->xclient.data.l[1]);
1286 if (e->xclient.data.l[2] == Below ||
1287 e->xclient.data.l[2] == BottomIf ||
1288 e->xclient.data.l[2] == Above ||
1289 e->xclient.data.l[2] == TopIf ||
1290 e->xclient.data.l[2] == Opposite)
1292 /* just raise, don't activate */
1293 stacking_restack_request(client, sibling,
1294 e->xclient.data.l[2], FALSE);
1295 /* send a synthetic ConfigureNotify, cuz this is supposed
1296 to be like a ConfigureRequest. */
1297 client_configure_full(client, client->area.x,
1300 client->area.height,
1303 ob_debug_type(OB_DEBUG_APP_BUGS,
1304 "_NET_RESTACK_WINDOW sent for window %s "
1305 "with invalid detail %d\n",
1306 client->title, e->xclient.data.l[2]);
1310 case PropertyNotify:
1311 /* validate cuz we query stuff off the client here */
1312 if (!client_validate(client)) break;
1314 /* compress changes to a single property into a single change */
1315 while (XCheckTypedWindowEvent(ob_display, client->window,
1319 /* XXX: it would be nice to compress ALL changes to a property,
1320 not just changes in a row without other props between. */
1322 a = ce.xproperty.atom;
1323 b = e->xproperty.atom;
1327 if ((a == prop_atoms.net_wm_name ||
1328 a == prop_atoms.wm_name ||
1329 a == prop_atoms.net_wm_icon_name ||
1330 a == prop_atoms.wm_icon_name)
1332 (b == prop_atoms.net_wm_name ||
1333 b == prop_atoms.wm_name ||
1334 b == prop_atoms.net_wm_icon_name ||
1335 b == prop_atoms.wm_icon_name)) {
1338 if (a == prop_atoms.net_wm_icon &&
1339 b == prop_atoms.net_wm_icon)
1342 XPutBackEvent(ob_display, &ce);
1346 msgtype = e->xproperty.atom;
1347 if (msgtype == XA_WM_NORMAL_HINTS) {
1348 client_update_normal_hints(client);
1349 /* normal hints can make a window non-resizable */
1350 client_setup_decor_and_functions(client);
1351 } else if (msgtype == XA_WM_HINTS) {
1352 client_update_wmhints(client);
1353 } else if (msgtype == XA_WM_TRANSIENT_FOR) {
1354 client_update_transient_for(client);
1355 client_get_type_and_transientness(client);
1356 /* type may have changed, so update the layer */
1357 client_calc_layer(client);
1358 client_setup_decor_and_functions(client);
1359 } else if (msgtype == prop_atoms.net_wm_name ||
1360 msgtype == prop_atoms.wm_name ||
1361 msgtype == prop_atoms.net_wm_icon_name ||
1362 msgtype == prop_atoms.wm_icon_name) {
1363 client_update_title(client);
1364 } else if (msgtype == prop_atoms.wm_protocols) {
1365 client_update_protocols(client);
1366 client_setup_decor_and_functions(client);
1368 else if (msgtype == prop_atoms.net_wm_strut) {
1369 client_update_strut(client);
1371 else if (msgtype == prop_atoms.net_wm_icon) {
1372 client_update_icons(client);
1374 else if (msgtype == prop_atoms.net_wm_icon_geometry) {
1375 client_update_icon_geometry(client);
1377 else if (msgtype == prop_atoms.net_wm_user_time) {
1378 client_update_user_time(client);
1380 else if (msgtype == prop_atoms.net_wm_user_time_window) {
1381 client_update_user_time_window(client);
1384 else if (msgtype == prop_atoms.net_wm_sync_request_counter) {
1385 client_update_sync_request_counter(client);
1388 case ColormapNotify:
1389 client_update_colormap(client, e->xcolormap.colormap);
1394 if (extensions_shape && e->type == extensions_shape_event_basep) {
1395 client->shaped = ((XShapeEvent*)e)->shaped;
1396 frame_adjust_shape(client->frame);
1402 static void event_handle_dock(ObDock *s, XEvent *e)
1406 if (e->xbutton.button == 1)
1407 stacking_raise(DOCK_AS_WINDOW(s));
1408 else if (e->xbutton.button == 2)
1409 stacking_lower(DOCK_AS_WINDOW(s));
1420 static void event_handle_dockapp(ObDockApp *app, XEvent *e)
1424 dock_app_drag(app, &e->xmotion);
1427 if (app->ignore_unmaps) {
1428 app->ignore_unmaps--;
1431 dock_remove(app, TRUE);
1434 dock_remove(app, FALSE);
1436 case ReparentNotify:
1437 dock_remove(app, FALSE);
1439 case ConfigureNotify:
1440 dock_app_configure(app, e->xconfigure.width, e->xconfigure.height);
1445 static ObMenuFrame* find_active_menu()
1448 ObMenuFrame *ret = NULL;
1450 for (it = menu_frame_visible; it; it = g_list_next(it)) {
1459 static ObMenuFrame* find_active_or_last_menu()
1461 ObMenuFrame *ret = NULL;
1463 ret = find_active_menu();
1464 if (!ret && menu_frame_visible)
1465 ret = menu_frame_visible->data;
1469 static gboolean event_handle_menu_keyboard(XEvent *ev)
1471 guint keycode, state;
1474 gboolean ret = TRUE;
1476 keycode = ev->xkey.keycode;
1477 state = ev->xkey.state;
1478 unikey = translate_unichar(keycode);
1480 frame = find_active_or_last_menu();
1484 else if (keycode == ob_keycode(OB_KEY_ESCAPE) && state == 0) {
1485 /* Escape closes the active menu */
1486 menu_frame_hide(frame);
1489 else if (keycode == ob_keycode(OB_KEY_RETURN) && (state == 0 ||
1490 state == ControlMask))
1492 /* Enter runs the active item or goes into the submenu.
1493 Control-Enter runs it without closing the menu. */
1495 menu_frame_select_next(frame->child);
1497 menu_entry_frame_execute(frame->selected, state, ev->xkey.time);
1500 else if (keycode == ob_keycode(OB_KEY_LEFT) && ev->xkey.state == 0) {
1501 /* Left goes to the parent menu */
1502 menu_frame_select(frame, NULL, TRUE);
1505 else if (keycode == ob_keycode(OB_KEY_RIGHT) && ev->xkey.state == 0) {
1506 /* Right goes to the selected submenu */
1507 if (frame->child) menu_frame_select_next(frame->child);
1510 else if (keycode == ob_keycode(OB_KEY_UP) && state == 0) {
1511 menu_frame_select_previous(frame);
1514 else if (keycode == ob_keycode(OB_KEY_DOWN) && state == 0) {
1515 menu_frame_select_next(frame);
1518 /* keyboard accelerator shortcuts. */
1519 else if (ev->xkey.state == 0 &&
1520 /* was it a valid key? */
1522 /* don't bother if the menu is empty. */
1527 ObMenuEntryFrame *found = NULL;
1528 guint num_found = 0;
1530 /* start after the selected one */
1531 start = frame->entries;
1532 if (frame->selected) {
1533 for (it = start; frame->selected != it->data; it = g_list_next(it))
1534 g_assert(it != NULL); /* nothing was selected? */
1535 /* next with wraparound */
1536 start = g_list_next(it);
1537 if (start == NULL) start = frame->entries;
1542 ObMenuEntryFrame *e = it->data;
1543 gunichar entrykey = 0;
1545 if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
1546 entrykey = e->entry->data.normal.shortcut;
1547 else if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
1548 entrykey = e->entry->data.submenu.submenu->shortcut;
1550 if (unikey == entrykey) {
1551 if (found == NULL) found = e;
1555 /* next with wraparound */
1556 it = g_list_next(it);
1557 if (it == NULL) it = frame->entries;
1558 } while (it != start);
1561 if (found->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
1564 menu_frame_select(frame, found, TRUE);
1565 usleep(50000); /* highlight the item for a short bit so the
1566 user can see what happened */
1567 menu_entry_frame_execute(found, state, ev->xkey.time);
1569 menu_frame_select(frame, found, TRUE);
1571 menu_frame_select_next(frame->child);
1582 static gboolean event_handle_menu(XEvent *ev)
1585 ObMenuEntryFrame *e;
1586 gboolean ret = TRUE;
1590 if ((ev->xbutton.button < 4 || ev->xbutton.button > 5)
1593 if ((e = menu_entry_frame_under(ev->xbutton.x_root,
1594 ev->xbutton.y_root)))
1595 menu_entry_frame_execute(e, ev->xbutton.state,
1598 menu_frame_hide_all();
1602 if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window))) {
1603 if (e->ignore_enters)
1606 menu_frame_select(e->frame, e, FALSE);
1610 if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window)) &&
1611 (f = find_active_menu()) && f->selected == e &&
1612 e->entry->type != OB_MENU_ENTRY_TYPE_SUBMENU)
1614 menu_frame_select(e->frame, NULL, FALSE);
1618 if ((e = menu_entry_frame_under(ev->xmotion.x_root,
1619 ev->xmotion.y_root)))
1620 menu_frame_select(e->frame, e, FALSE);
1623 ret = event_handle_menu_keyboard(ev);
1629 static void event_handle_user_input(ObClient *client, XEvent *e)
1631 g_assert(e->type == ButtonPress || e->type == ButtonRelease ||
1632 e->type == MotionNotify || e->type == KeyPress ||
1633 e->type == KeyRelease);
1635 if (menu_frame_visible) {
1636 if (event_handle_menu(e))
1637 /* don't use the event if the menu used it, but if the menu
1638 didn't use it and it's a keypress that is bound, it will
1639 close the menu and be used */
1643 /* if the keyboard interactive action uses the event then dont
1644 use it for bindings. likewise is moveresize uses the event. */
1645 if (!keyboard_process_interactive_grab(e, &client) &&
1646 !(moveresize_in_progress && moveresize_event(e)))
1648 if (moveresize_in_progress)
1649 /* make further actions work on the client being
1651 client = moveresize_client;
1653 menu_can_hide = FALSE;
1654 ob_main_loop_timeout_add(ob_main_loop,
1655 config_menu_hide_delay * 1000,
1656 menu_hide_delay_func,
1657 NULL, g_direct_equal, NULL);
1659 if (e->type == ButtonPress ||
1660 e->type == ButtonRelease ||
1661 e->type == MotionNotify)
1663 /* the frame may not be "visible" but they can still click on it
1664 in the case where it is animating before disappearing */
1665 if (!client || !frame_iconify_animating(client->frame))
1666 mouse_event(client, e);
1667 } else if (e->type == KeyPress) {
1668 keyboard_event((focus_cycle_target ? focus_cycle_target :
1669 (client ? client : focus_client)), e);
1674 static gboolean menu_hide_delay_func(gpointer data)
1676 menu_can_hide = TRUE;
1677 return FALSE; /* no repeat */
1680 static void focus_delay_dest(gpointer data)
1685 static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2)
1687 const ObFocusDelayData *f1 = d1;
1688 return f1->client == d2;
1691 static gboolean focus_delay_func(gpointer data)
1693 ObFocusDelayData *d = data;
1694 Time old = event_curtime;
1696 event_curtime = d->time;
1697 if (focus_client != d->client) {
1698 if (client_focus(d->client) && config_focus_raise)
1699 stacking_raise(CLIENT_AS_WINDOW(d->client));
1701 event_curtime = old;
1702 return FALSE; /* no repeat */
1705 static void focus_delay_client_dest(ObClient *client, gpointer data)
1707 ob_main_loop_timeout_remove_data(ob_main_loop, focus_delay_func,
1711 void event_halt_focus_delay()
1713 ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
1716 void event_ignore_queued_enters()
1718 GSList *saved = NULL, *it;
1721 XSync(ob_display, FALSE);
1723 /* count the events */
1725 e = g_new(XEvent, 1);
1726 if (XCheckTypedEvent(ob_display, EnterNotify, e)) {
1729 win = g_hash_table_lookup(window_map, &e->xany.window);
1730 if (win && WINDOW_IS_CLIENT(win))
1731 ++ignore_enter_focus;
1733 saved = g_slist_append(saved, e);
1739 /* put the events back */
1740 for (it = saved; it; it = g_slist_next(it)) {
1741 XPutBackEvent(ob_display, it->data);
1744 g_slist_free(saved);
1747 gboolean event_time_after(Time t1, Time t2)
1749 g_assert(t1 != CurrentTime);
1750 g_assert(t2 != CurrentTime);
1753 Timestamp values wrap around (after about 49.7 days). The server, given
1754 its current time is represented by timestamp T, always interprets
1755 timestamps from clients by treating half of the timestamp space as being
1756 later in time than T.
1757 - http://tronche.com/gui/x/xlib/input/pointer-grabbing.html
1760 /* TIME_HALF is half of the number space of a Time type variable */
1761 #define TIME_HALF (Time)(1 << (sizeof(Time)*8-1))
1763 if (t2 >= TIME_HALF)
1764 /* t2 is in the second half so t1 might wrap around and be smaller than
1766 return t1 >= t2 || t1 < (t2 + TIME_HALF);
1768 /* t2 is in the first half so t1 has to come after it */
1769 return t1 >= t2 && t1 < (t2 + TIME_HALF);