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[chaz/openbox] / openbox / event.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 event.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
6
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.
11
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.
16
17 See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "event.h"
21 #include "debug.h"
22 #include "window.h"
23 #include "openbox.h"
24 #include "dock.h"
25 #include "client.h"
26 #include "xerror.h"
27 #include "prop.h"
28 #include "config.h"
29 #include "screen.h"
30 #include "frame.h"
31 #include "grab.h"
32 #include "menu.h"
33 #include "menuframe.h"
34 #include "keyboard.h"
35 #include "modkeys.h"
36 #include "propwin.h"
37 #include "mouse.h"
38 #include "mainloop.h"
39 #include "framerender.h"
40 #include "focus.h"
41 #include "focus_cycle.h"
42 #include "moveresize.h"
43 #include "group.h"
44 #include "stacking.h"
45 #include "extensions.h"
46 #include "translate.h"
47
48 #include <X11/Xlib.h>
49 #include <X11/Xatom.h>
50 #include <glib.h>
51
52 #ifdef HAVE_SYS_SELECT_H
53 # include <sys/select.h>
54 #endif
55 #ifdef HAVE_SIGNAL_H
56 # include <signal.h>
57 #endif
58 #ifdef HAVE_UNISTD_H
59 # include <unistd.h> /* for usleep() */
60 #endif
61 #ifdef XKB
62 # include <X11/XKBlib.h>
63 #endif
64
65 #ifdef USE_SM
66 #include <X11/ICE/ICElib.h>
67 #endif
68
69 typedef struct
70 {
71 gboolean ignored;
72 } ObEventData;
73
74 typedef struct
75 {
76 ObClient *client;
77 Time time;
78 } ObFocusDelayData;
79
80 static void event_process(const XEvent *e, gpointer data);
81 static void event_handle_root(XEvent *e);
82 static gboolean event_handle_menu_keyboard(XEvent *e);
83 static gboolean event_handle_menu(XEvent *e);
84 static void event_handle_dock(ObDock *s, XEvent *e);
85 static void event_handle_dockapp(ObDockApp *app, XEvent *e);
86 static void event_handle_client(ObClient *c, XEvent *e);
87 static void event_handle_user_time_window_clients(GSList *l, XEvent *e);
88 static void event_handle_user_input(ObClient *client, XEvent *e);
89 static gboolean is_enter_focus_event_ignored(XEvent *e);
90
91 static void focus_delay_dest(gpointer data);
92 static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2);
93 static gboolean focus_delay_func(gpointer data);
94 static void focus_delay_client_dest(ObClient *client, gpointer data);
95
96 static gboolean menu_hide_delay_func(gpointer data);
97
98 /* The time for the current event being processed */
99 Time event_curtime = CurrentTime;
100
101 static guint ignore_enter_focus = 0;
102 static gboolean menu_can_hide;
103 static gboolean focus_left_screen = FALSE;
104
105 #ifdef USE_SM
106 static void ice_handler(gint fd, gpointer conn)
107 {
108 Bool b;
109 IceProcessMessages(conn, NULL, &b);
110 }
111
112 static void ice_watch(IceConn conn, IcePointer data, Bool opening,
113 IcePointer *watch_data)
114 {
115 static gint fd = -1;
116
117 if (opening) {
118 fd = IceConnectionNumber(conn);
119 ob_main_loop_fd_add(ob_main_loop, fd, ice_handler, conn, NULL);
120 } else {
121 ob_main_loop_fd_remove(ob_main_loop, fd);
122 fd = -1;
123 }
124 }
125 #endif
126
127 void event_startup(gboolean reconfig)
128 {
129 if (reconfig) return;
130
131 ob_main_loop_x_add(ob_main_loop, event_process, NULL, NULL);
132
133 #ifdef USE_SM
134 IceAddConnectionWatch(ice_watch, NULL);
135 #endif
136
137 client_add_destroy_notify(focus_delay_client_dest, NULL);
138 }
139
140 void event_shutdown(gboolean reconfig)
141 {
142 if (reconfig) return;
143
144 #ifdef USE_SM
145 IceRemoveConnectionWatch(ice_watch, NULL);
146 #endif
147
148 client_remove_destroy_notify(focus_delay_client_dest);
149 }
150
151 static Window event_get_window(XEvent *e)
152 {
153 Window window;
154
155 /* pick a window */
156 switch (e->type) {
157 case SelectionClear:
158 window = RootWindow(ob_display, ob_screen);
159 break;
160 case MapRequest:
161 window = e->xmap.window;
162 break;
163 case UnmapNotify:
164 window = e->xunmap.window;
165 break;
166 case DestroyNotify:
167 window = e->xdestroywindow.window;
168 break;
169 case ConfigureRequest:
170 window = e->xconfigurerequest.window;
171 break;
172 case ConfigureNotify:
173 window = e->xconfigure.window;
174 break;
175 default:
176 #ifdef XKB
177 if (extensions_xkb && e->type == extensions_xkb_event_basep) {
178 switch (((XkbAnyEvent*)e)->xkb_type) {
179 case XkbBellNotify:
180 window = ((XkbBellNotifyEvent*)e)->window;
181 default:
182 window = None;
183 }
184 } else
185 #endif
186 #ifdef SYNC
187 if (extensions_sync &&
188 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
189 {
190 window = None;
191 } else
192 #endif
193 window = e->xany.window;
194 }
195 return window;
196 }
197
198 static void event_set_curtime(XEvent *e)
199 {
200 Time t = CurrentTime;
201
202 /* grab the lasttime and hack up the state */
203 switch (e->type) {
204 case ButtonPress:
205 case ButtonRelease:
206 t = e->xbutton.time;
207 break;
208 case KeyPress:
209 t = e->xkey.time;
210 break;
211 case KeyRelease:
212 t = e->xkey.time;
213 break;
214 case MotionNotify:
215 t = e->xmotion.time;
216 break;
217 case PropertyNotify:
218 t = e->xproperty.time;
219 break;
220 case EnterNotify:
221 case LeaveNotify:
222 t = e->xcrossing.time;
223 break;
224 default:
225 #ifdef SYNC
226 if (extensions_sync &&
227 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
228 {
229 t = ((XSyncAlarmNotifyEvent*)e)->time;
230 }
231 #endif
232 /* if more event types are anticipated, get their timestamp
233 explicitly */
234 break;
235 }
236
237 event_curtime = t;
238 }
239
240 static void event_hack_mods(XEvent *e)
241 {
242 #ifdef XKB
243 XkbStateRec xkb_state;
244 #endif
245
246 switch (e->type) {
247 case ButtonPress:
248 case ButtonRelease:
249 e->xbutton.state = modkeys_only_modifier_masks(e->xbutton.state);
250 break;
251 case KeyPress:
252 e->xkey.state = modkeys_only_modifier_masks(e->xkey.state);
253 break;
254 case KeyRelease:
255 e->xkey.state = modkeys_only_modifier_masks(e->xkey.state);
256 #ifdef XKB
257 if (XkbGetState(ob_display, XkbUseCoreKbd, &xkb_state) == Success) {
258 e->xkey.state = xkb_state.compat_state;
259 break;
260 }
261 #endif
262 /* remove from the state the mask of the modifier key being released,
263 if it is a modifier key being released that is */
264 e->xkey.state &= ~modkeys_keycode_to_mask(e->xkey.keycode);
265 break;
266 case MotionNotify:
267 e->xmotion.state = modkeys_only_modifier_masks(e->xmotion.state);
268 /* compress events */
269 {
270 XEvent ce;
271 while (XCheckTypedWindowEvent(ob_display, e->xmotion.window,
272 e->type, &ce)) {
273 e->xmotion.x_root = ce.xmotion.x_root;
274 e->xmotion.y_root = ce.xmotion.y_root;
275 }
276 }
277 break;
278 }
279 }
280
281 static gboolean wanted_focusevent(XEvent *e, gboolean in_client_only)
282 {
283 gint mode = e->xfocus.mode;
284 gint detail = e->xfocus.detail;
285 Window win = e->xany.window;
286
287 if (e->type == FocusIn) {
288 /* These are ones we never want.. */
289
290 /* This means focus was given by a keyboard/mouse grab. */
291 if (mode == NotifyGrab)
292 return FALSE;
293 /* This means focus was given back from a keyboard/mouse grab. */
294 if (mode == NotifyUngrab)
295 return FALSE;
296
297 /* These are the ones we want.. */
298
299 if (win == RootWindow(ob_display, ob_screen)) {
300 /* If looking for a focus in on a client, then always return
301 FALSE for focus in's to the root window */
302 if (in_client_only)
303 return FALSE;
304 /* This means focus reverted off of a client */
305 else if (detail == NotifyPointerRoot ||
306 detail == NotifyDetailNone ||
307 detail == NotifyInferior)
308 return TRUE;
309 else
310 return FALSE;
311 }
312
313 /* It was on a client, was it a valid one?
314 It's possible to get a FocusIn event for a client that was managed
315 but has disappeared.
316 */
317 if (in_client_only) {
318 ObWindow *w = g_hash_table_lookup(window_map, &e->xfocus.window);
319 if (!w || !WINDOW_IS_CLIENT(w))
320 return FALSE;
321 }
322
323 /* This means focus moved from the root window to a client */
324 if (detail == NotifyVirtual)
325 return TRUE;
326 /* This means focus moved from one client to another */
327 if (detail == NotifyNonlinearVirtual)
328 return TRUE;
329
330 /* Otherwise.. */
331 return FALSE;
332 } else {
333 g_assert(e->type == FocusOut);
334
335 /* These are ones we never want.. */
336
337 /* This means focus was taken by a keyboard/mouse grab. */
338 if (mode == NotifyGrab)
339 return FALSE;
340
341 /* Focus left the root window revertedto state */
342 if (win == RootWindow(ob_display, ob_screen))
343 return FALSE;
344
345 /* These are the ones we want.. */
346
347 /* This means focus moved from a client to the root window */
348 if (detail == NotifyVirtual)
349 return TRUE;
350 /* This means focus moved from one client to another */
351 if (detail == NotifyNonlinearVirtual)
352 return TRUE;
353
354 /* Otherwise.. */
355 return FALSE;
356 }
357 }
358
359 static Bool event_look_for_focusin(Display *d, XEvent *e, XPointer arg)
360 {
361 return e->type == FocusIn && wanted_focusevent(e, FALSE);
362 }
363
364 static Bool event_look_for_focusin_client(Display *d, XEvent *e, XPointer arg)
365 {
366 return e->type == FocusIn && wanted_focusevent(e, TRUE);
367 }
368
369 static void print_focusevent(XEvent *e)
370 {
371 gint mode = e->xfocus.mode;
372 gint detail = e->xfocus.detail;
373 Window win = e->xany.window;
374 const gchar *modestr, *detailstr;
375
376 switch (mode) {
377 case NotifyNormal: modestr="NotifyNormal"; break;
378 case NotifyGrab: modestr="NotifyGrab"; break;
379 case NotifyUngrab: modestr="NotifyUngrab"; break;
380 case NotifyWhileGrabbed: modestr="NotifyWhileGrabbed"; break;
381 }
382 switch (detail) {
383 case NotifyAncestor: detailstr="NotifyAncestor"; break;
384 case NotifyVirtual: detailstr="NotifyVirtual"; break;
385 case NotifyInferior: detailstr="NotifyInferior"; break;
386 case NotifyNonlinear: detailstr="NotifyNonlinear"; break;
387 case NotifyNonlinearVirtual: detailstr="NotifyNonlinearVirtual"; break;
388 case NotifyPointer: detailstr="NotifyPointer"; break;
389 case NotifyPointerRoot: detailstr="NotifyPointerRoot"; break;
390 case NotifyDetailNone: detailstr="NotifyDetailNone"; break;
391 }
392
393 if (mode == NotifyGrab || mode == NotifyUngrab)
394 return;
395
396 g_assert(modestr);
397 g_assert(detailstr);
398 ob_debug_type(OB_DEBUG_FOCUS, "Focus%s 0x%x mode=%s detail=%s\n",
399 (e->xfocus.type == FocusIn ? "In" : "Out"),
400 win,
401 modestr, detailstr);
402
403 }
404
405 static gboolean event_ignore(XEvent *e, ObClient *client)
406 {
407 switch(e->type) {
408 case FocusIn:
409 print_focusevent(e);
410 if (!wanted_focusevent(e, FALSE))
411 return TRUE;
412 break;
413 case FocusOut:
414 print_focusevent(e);
415 if (!wanted_focusevent(e, FALSE))
416 return TRUE;
417 break;
418 }
419 return FALSE;
420 }
421
422 static void event_process(const XEvent *ec, gpointer data)
423 {
424 Window window;
425 ObClient *client = NULL;
426 ObDock *dock = NULL;
427 ObDockApp *dockapp = NULL;
428 ObWindow *obwin = NULL;
429 GSList *timewinclients = NULL;
430 XEvent ee, *e;
431 ObEventData *ed = data;
432
433 /* make a copy we can mangle */
434 ee = *ec;
435 e = &ee;
436
437 window = event_get_window(e);
438 if (e->type != PropertyNotify ||
439 !(timewinclients = propwin_get_clients(window,
440 OB_PROPWIN_USER_TIME)))
441 if ((obwin = g_hash_table_lookup(window_map, &window))) {
442 switch (obwin->type) {
443 case Window_Dock:
444 dock = WINDOW_AS_DOCK(obwin);
445 break;
446 case Window_DockApp:
447 dockapp = WINDOW_AS_DOCKAPP(obwin);
448 break;
449 case Window_Client:
450 client = WINDOW_AS_CLIENT(obwin);
451 break;
452 case Window_Menu:
453 case Window_Internal:
454 /* not to be used for events */
455 g_assert_not_reached();
456 break;
457 }
458 }
459
460 event_set_curtime(e);
461 event_hack_mods(e);
462 if (event_ignore(e, client)) {
463 if (ed)
464 ed->ignored = TRUE;
465 return;
466 } else if (ed)
467 ed->ignored = FALSE;
468
469 /* deal with it in the kernel */
470
471 if (menu_frame_visible &&
472 (e->type == EnterNotify || e->type == LeaveNotify))
473 {
474 /* crossing events for menu */
475 event_handle_menu(e);
476 } else if (e->type == FocusIn) {
477 if (e->xfocus.detail == NotifyPointerRoot ||
478 e->xfocus.detail == NotifyDetailNone ||
479 e->xfocus.detail == NotifyInferior)
480 {
481 XEvent ce;
482
483 ob_debug_type(OB_DEBUG_FOCUS, "Focus went to pointer root/none\n");
484
485 /* If another FocusIn is in the queue then don't fallback yet. This
486 fixes the fun case of:
487 window map -> send focusin
488 window unmap -> get focusout
489 window map -> send focusin
490 get first focus out -> fall back to something (new window
491 hasn't received focus yet, so something else) -> send focusin
492 which means the "something else" is the last thing to get a
493 focusin sent to it, so the new window doesn't end up with focus.
494
495 But if the other focus in is something like PointerRoot then we
496 still want to fall back.
497 */
498 if (XCheckIfEvent(ob_display, &ce, event_look_for_focusin_client,
499 NULL))
500 {
501 XPutBackEvent(ob_display, &ce);
502 ob_debug_type(OB_DEBUG_FOCUS,
503 " but another FocusIn is coming\n");
504 } else {
505 /* Focus has been reverted to the root window or nothing.
506
507 FocusOut events come after UnmapNotify, so we don't need to
508 worry about focusing an invalid window
509 */
510
511 if (!focus_left_screen)
512 focus_fallback(TRUE);
513 }
514 }
515 else if (!client)
516 {
517 ob_debug_type(OB_DEBUG_FOCUS,
518 "Focus went to a window that is already gone\n");
519
520 /* If you send focus to a window and then it disappears, you can
521 get the FocusIn for it, after it is unmanaged.
522 Just wait for the next FocusOut/FocusIn pair. */
523 }
524 else if (client != focus_client) {
525 focus_left_screen = FALSE;
526 frame_adjust_focus(client->frame, TRUE);
527 focus_set_client(client);
528 client_calc_layer(client);
529 client_bring_helper_windows(client);
530 }
531 } else if (e->type == FocusOut) {
532 gboolean nomove = FALSE;
533 XEvent ce;
534
535 /* Look for the followup FocusIn */
536 if (!XCheckIfEvent(ob_display, &ce, event_look_for_focusin, NULL)) {
537 /* There is no FocusIn, this means focus went to a window that
538 is not being managed, or a window on another screen. */
539 Window win, root;
540 gint i;
541 guint u;
542 xerror_set_ignore(TRUE);
543 if (XGetInputFocus(ob_display, &win, &i) != 0 &&
544 XGetGeometry(ob_display, win, &root, &i,&i,&u,&u,&u,&u) != 0 &&
545 root != RootWindow(ob_display, ob_screen))
546 {
547 ob_debug_type(OB_DEBUG_FOCUS,
548 "Focus went to another screen !\n");
549 focus_left_screen = TRUE;
550 }
551 else
552 ob_debug_type(OB_DEBUG_FOCUS,
553 "Focus went to a black hole !\n");
554 xerror_set_ignore(FALSE);
555 /* nothing is focused */
556 focus_set_client(NULL);
557 } else if (ce.xany.window == e->xany.window) {
558 ob_debug_type(OB_DEBUG_FOCUS, "Focus didn't go anywhere\n");
559 /* If focus didn't actually move anywhere, there is nothing to do*/
560 nomove = TRUE;
561 } else {
562 /* Focus did move, so process the FocusIn event */
563 ObEventData ed = { .ignored = FALSE };
564 event_process(&ce, &ed);
565 if (ed.ignored) {
566 /* The FocusIn was ignored, this means it was on a window
567 that isn't a client. */
568 ob_debug_type(OB_DEBUG_FOCUS,
569 "Focus went to an unmanaged window 0x%x !\n",
570 ce.xfocus.window);
571 focus_fallback(TRUE);
572 }
573 }
574
575 if (client && !nomove) {
576 frame_adjust_focus(client->frame, FALSE);
577 if (client == focus_client)
578 focus_set_client(NULL);
579 client_calc_layer(client);
580 }
581 } else if (timewinclients)
582 event_handle_user_time_window_clients(timewinclients, e);
583 else if (client)
584 event_handle_client(client, e);
585 else if (dockapp)
586 event_handle_dockapp(dockapp, e);
587 else if (dock)
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);
600 gulong vals[4];
601
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,
608 cardinal, vals, 4);
609
610 /* Free the pretend client */
611 client_fake_unmanage(c);
612 }
613 }
614 else if (e->type == ConfigureRequest) {
615 /* unhandled configure requests must be used to configure the
616 window directly */
617 XWindowChanges xwc;
618
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;
626
627 /* we are not to be held responsible if someone sends us an
628 invalid request! */
629 xerror_set_ignore(TRUE);
630 XConfigureWindow(ob_display, window,
631 e->xconfigurerequest.value_mask, &xwc);
632 xerror_set_ignore(FALSE);
633 }
634 #ifdef SYNC
635 else if (extensions_sync &&
636 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
637 {
638 XSyncAlarmNotifyEvent *se = (XSyncAlarmNotifyEvent*)e;
639 if (se->alarm == moveresize_alarm && moveresize_in_progress)
640 moveresize_event(e);
641 }
642 #endif
643
644 if (e->type == ButtonPress || e->type == ButtonRelease ||
645 e->type == MotionNotify || e->type == KeyPress ||
646 e->type == KeyRelease)
647 {
648 event_handle_user_input(client, e);
649 }
650
651 /* if something happens and it's not from an XEvent, then we don't know
652 the time */
653 event_curtime = CurrentTime;
654 }
655
656 static void event_handle_root(XEvent *e)
657 {
658 Atom msgtype;
659
660 switch(e->type) {
661 case SelectionClear:
662 ob_debug("Another WM has requested to replace us. Exiting.\n");
663 ob_exit_replace();
664 break;
665
666 case ClientMessage:
667 if (e->xclient.format != 32) break;
668
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 "
677 "a timestamp\n");
678 screen_set_desktop(d, TRUE);
679 }
680 } else if (msgtype == prop_atoms.net_number_of_desktops) {
681 guint d = e->xclient.data.l[0];
682 if (d > 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)
688 ob_reconfigure();
689 else if (e->xclient.data.l[0] == 2)
690 ob_restart();
691 }
692 break;
693 case PropertyNotify:
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();
698 break;
699 case ConfigureNotify:
700 #ifdef XRANDR
701 XRRUpdateConfiguration(e);
702 #endif
703 screen_resize();
704 break;
705 default:
706 ;
707 }
708 }
709
710 void event_enter_client(ObClient *client)
711 {
712 g_assert(config_focus_follow);
713
714 if (client_enter_focusable(client) && client_can_focus(client)) {
715 if (config_focus_delay) {
716 ObFocusDelayData *data;
717
718 ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
719
720 data = g_new(ObFocusDelayData, 1);
721 data->client = client;
722 data->time = event_curtime;
723
724 ob_main_loop_timeout_add(ob_main_loop,
725 config_focus_delay,
726 focus_delay_func,
727 data, focus_delay_cmp, focus_delay_dest);
728 } else {
729 ObFocusDelayData data;
730 data.client = client;
731 data.time = event_curtime;
732 focus_delay_func(&data);
733 }
734 }
735 }
736
737 static void event_handle_user_time_window_clients(GSList *l, XEvent *e)
738 {
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);
743 }
744 }
745
746 static void event_handle_client(ObClient *client, XEvent *e)
747 {
748 XEvent ce;
749 Atom msgtype;
750 ObFrameContext con;
751 static gint px = -1, py = -1;
752 static guint pb = 0;
753
754 switch (e->type) {
755 case ButtonPress:
756 /* save where the press occured for the first button pressed */
757 if (!pb) {
758 pb = e->xbutton.button;
759 px = e->xbutton.x;
760 py = e->xbutton.y;
761 }
762 case ButtonRelease:
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
768 */
769 if (!(e->xbutton.button == 4 || e->xbutton.button == 5) &&
770 !keyboard_interactively_grabbed() &&
771 !menu_frame_visible)
772 {
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,
776 e->xbutton.state);
777
778 if (e->type == ButtonRelease && e->xbutton.button == pb)
779 pb = 0, px = py = -1;
780
781 switch (con) {
782 case OB_FRAME_CONTEXT_MAXIMIZE:
783 client->frame->max_press = (e->type == ButtonPress);
784 framerender_frame(client->frame);
785 break;
786 case OB_FRAME_CONTEXT_CLOSE:
787 client->frame->close_press = (e->type == ButtonPress);
788 framerender_frame(client->frame);
789 break;
790 case OB_FRAME_CONTEXT_ICONIFY:
791 client->frame->iconify_press = (e->type == ButtonPress);
792 framerender_frame(client->frame);
793 break;
794 case OB_FRAME_CONTEXT_ALLDESKTOPS:
795 client->frame->desk_press = (e->type == ButtonPress);
796 framerender_frame(client->frame);
797 break;
798 case OB_FRAME_CONTEXT_SHADE:
799 client->frame->shade_press = (e->type == ButtonPress);
800 framerender_frame(client->frame);
801 break;
802 default:
803 /* nothing changes with clicks for any other contexts */
804 break;
805 }
806 }
807 break;
808 case MotionNotify:
809 con = frame_context(client, e->xmotion.window,
810 e->xmotion.x, e->xmotion.y);
811 switch (con) {
812 case OB_FRAME_CONTEXT_TITLEBAR:
813 case OB_FRAME_CONTEXT_TLCORNER:
814 case OB_FRAME_CONTEXT_TRCORNER:
815 /* we've left the button area inside the titlebar */
816 if (client->frame->max_hover || client->frame->desk_hover ||
817 client->frame->shade_hover || client->frame->iconify_hover ||
818 client->frame->close_hover)
819 {
820 client->frame->max_hover = FALSE;
821 client->frame->desk_hover = FALSE;
822 client->frame->shade_hover = FALSE;
823 client->frame->iconify_hover = FALSE;
824 client->frame->close_hover = FALSE;
825 frame_adjust_state(client->frame);
826 }
827 break;
828 case OB_FRAME_CONTEXT_MAXIMIZE:
829 if (!client->frame->max_hover) {
830 client->frame->max_hover = TRUE;
831 frame_adjust_state(client->frame);
832 }
833 break;
834 case OB_FRAME_CONTEXT_ALLDESKTOPS:
835 if (!client->frame->desk_hover) {
836 client->frame->desk_hover = TRUE;
837 frame_adjust_state(client->frame);
838 }
839 break;
840 case OB_FRAME_CONTEXT_SHADE:
841 if (!client->frame->shade_hover) {
842 client->frame->shade_hover = TRUE;
843 frame_adjust_state(client->frame);
844 }
845 break;
846 case OB_FRAME_CONTEXT_ICONIFY:
847 if (!client->frame->iconify_hover) {
848 client->frame->iconify_hover = TRUE;
849 frame_adjust_state(client->frame);
850 }
851 break;
852 case OB_FRAME_CONTEXT_CLOSE:
853 if (!client->frame->close_hover) {
854 client->frame->close_hover = TRUE;
855 frame_adjust_state(client->frame);
856 }
857 break;
858 default:
859 break;
860 }
861 break;
862 case LeaveNotify:
863 con = frame_context(client, e->xcrossing.window,
864 e->xcrossing.x, e->xcrossing.y);
865 switch (con) {
866 case OB_FRAME_CONTEXT_TITLEBAR:
867 case OB_FRAME_CONTEXT_TLCORNER:
868 case OB_FRAME_CONTEXT_TRCORNER:
869 /* we've left the button area inside the titlebar */
870 if (client->frame->max_hover || client->frame->desk_hover ||
871 client->frame->shade_hover || client->frame->iconify_hover ||
872 client->frame->close_hover)
873 {
874 client->frame->max_hover = FALSE;
875 client->frame->desk_hover = FALSE;
876 client->frame->shade_hover = FALSE;
877 client->frame->iconify_hover = FALSE;
878 client->frame->close_hover = FALSE;
879 frame_adjust_state(client->frame);
880 }
881 break;
882 case OB_FRAME_CONTEXT_MAXIMIZE:
883 client->frame->max_hover = FALSE;
884 frame_adjust_state(client->frame);
885 break;
886 case OB_FRAME_CONTEXT_ALLDESKTOPS:
887 client->frame->desk_hover = FALSE;
888 frame_adjust_state(client->frame);
889 break;
890 case OB_FRAME_CONTEXT_SHADE:
891 client->frame->shade_hover = FALSE;
892 frame_adjust_state(client->frame);
893 break;
894 case OB_FRAME_CONTEXT_ICONIFY:
895 client->frame->iconify_hover = FALSE;
896 frame_adjust_state(client->frame);
897 break;
898 case OB_FRAME_CONTEXT_CLOSE:
899 client->frame->close_hover = FALSE;
900 frame_adjust_state(client->frame);
901 break;
902 case OB_FRAME_CONTEXT_FRAME:
903 /* When the mouse leaves an animating window, don't use the
904 corresponding enter events. Pretend like the animating window
905 doesn't even exist..! */
906 if (frame_iconify_animating(client->frame))
907 event_ignore_all_queued_enters();
908
909 ob_debug_type(OB_DEBUG_FOCUS,
910 "%sNotify mode %d detail %d on %lx\n",
911 (e->type == EnterNotify ? "Enter" : "Leave"),
912 e->xcrossing.mode,
913 e->xcrossing.detail, (client?client->window:0));
914 if (keyboard_interactively_grabbed())
915 break;
916 if (config_focus_follow && config_focus_delay &&
917 /* leave inferior events can happen when the mouse goes onto
918 the window's border and then into the window before the
919 delay is up */
920 e->xcrossing.detail != NotifyInferior)
921 {
922 ob_main_loop_timeout_remove_data(ob_main_loop,
923 focus_delay_func,
924 client, FALSE);
925 }
926 break;
927 default:
928 break;
929 }
930 break;
931 case EnterNotify:
932 {
933 con = frame_context(client, e->xcrossing.window,
934 e->xcrossing.x, e->xcrossing.y);
935 switch (con) {
936 case OB_FRAME_CONTEXT_MAXIMIZE:
937 client->frame->max_hover = TRUE;
938 frame_adjust_state(client->frame);
939 break;
940 case OB_FRAME_CONTEXT_ALLDESKTOPS:
941 client->frame->desk_hover = TRUE;
942 frame_adjust_state(client->frame);
943 break;
944 case OB_FRAME_CONTEXT_SHADE:
945 client->frame->shade_hover = TRUE;
946 frame_adjust_state(client->frame);
947 break;
948 case OB_FRAME_CONTEXT_ICONIFY:
949 client->frame->iconify_hover = TRUE;
950 frame_adjust_state(client->frame);
951 break;
952 case OB_FRAME_CONTEXT_CLOSE:
953 client->frame->close_hover = TRUE;
954 frame_adjust_state(client->frame);
955 break;
956 case OB_FRAME_CONTEXT_FRAME:
957 if (keyboard_interactively_grabbed())
958 break;
959 if (e->xcrossing.mode == NotifyGrab ||
960 e->xcrossing.mode == NotifyUngrab ||
961 /*ignore enters when we're already in the window */
962 e->xcrossing.detail == NotifyInferior ||
963 is_enter_focus_event_ignored(e))
964 {
965 ob_debug_type(OB_DEBUG_FOCUS,
966 "%sNotify mode %d detail %d on %lx IGNORED\n",
967 (e->type == EnterNotify ? "Enter" : "Leave"),
968 e->xcrossing.mode,
969 e->xcrossing.detail, client?client->window:0);
970 }
971 else {
972 ob_debug_type(OB_DEBUG_FOCUS,
973 "%sNotify mode %d detail %d on %lx, "
974 "focusing window\n",
975 (e->type == EnterNotify ? "Enter" : "Leave"),
976 e->xcrossing.mode,
977 e->xcrossing.detail, (client?client->window:0));
978 if (config_focus_follow)
979 event_enter_client(client);
980 }
981 break;
982 default:
983 break;
984 }
985 break;
986 }
987 case ConfigureRequest:
988 {
989 /* dont compress these unless you're going to watch for property
990 notifies in between (these can change what the configure would
991 do to the window).
992 also you can't compress stacking events
993 */
994
995 gint x, y, w, h;
996 gboolean move = FALSE;
997 gboolean resize = FALSE;
998
999 /* get the current area */
1000 RECT_TO_DIMS(client->area, x, y, w, h);
1001
1002 ob_debug("ConfigureRequest desktop %d wmstate %d visibile %d\n",
1003 screen_desktop, client->wmstate, client->frame->visible);
1004
1005 if (e->xconfigurerequest.value_mask & CWBorderWidth)
1006 if (client->border_width != e->xconfigurerequest.border_width) {
1007 client->border_width = e->xconfigurerequest.border_width;
1008
1009 /* if the border width is changing then that is the same
1010 as requesting a resize, but we don't actually change
1011 the client's border, so it will change their root
1012 coordiantes (since they include the border width) and
1013 we need to a notify then */
1014 move = TRUE;
1015 }
1016
1017
1018 if (e->xconfigurerequest.value_mask & CWStackMode) {
1019 ObClient *sibling = NULL;
1020
1021 /* get the sibling */
1022 if (e->xconfigurerequest.value_mask & CWSibling) {
1023 ObWindow *win;
1024 win = g_hash_table_lookup(window_map,
1025 &e->xconfigurerequest.above);
1026 if (WINDOW_IS_CLIENT(win) && WINDOW_AS_CLIENT(win) != client)
1027 sibling = WINDOW_AS_CLIENT(win);
1028 }
1029
1030 /* activate it rather than just focus it */
1031 stacking_restack_request(client, sibling,
1032 e->xconfigurerequest.detail, TRUE);
1033
1034 /* if a stacking change moves the window without resizing */
1035 move = TRUE;
1036 }
1037
1038 /* don't allow clients to move shaded windows (fvwm does this) */
1039 if (client->shaded && (e->xconfigurerequest.value_mask & CWX ||
1040 e->xconfigurerequest.value_mask & CWY))
1041 {
1042 e->xconfigurerequest.value_mask &= ~CWX;
1043 e->xconfigurerequest.value_mask &= ~CWY;
1044
1045 /* if the client tried to move and we aren't letting it then a
1046 synthetic event is needed */
1047 move = TRUE;
1048 }
1049
1050 if (e->xconfigurerequest.value_mask & CWX ||
1051 e->xconfigurerequest.value_mask & CWY ||
1052 e->xconfigurerequest.value_mask & CWWidth ||
1053 e->xconfigurerequest.value_mask & CWHeight)
1054 {
1055 if (e->xconfigurerequest.value_mask & CWX) {
1056 x = e->xconfigurerequest.x;
1057 move = TRUE;
1058 }
1059 if (e->xconfigurerequest.value_mask & CWY) {
1060 y = e->xconfigurerequest.y;
1061 move = TRUE;
1062 }
1063 if (e->xconfigurerequest.value_mask & CWWidth) {
1064 w = e->xconfigurerequest.width;
1065 resize = TRUE;
1066 }
1067 if (e->xconfigurerequest.value_mask & CWHeight) {
1068 h = e->xconfigurerequest.height;
1069 resize = TRUE;
1070 }
1071 }
1072
1073 ob_debug("ConfigureRequest x(%d) %d y(%d) %d w(%d) %d h(%d) %d "
1074 "move %d resize %d\n",
1075 e->xconfigurerequest.value_mask & CWX, x,
1076 e->xconfigurerequest.value_mask & CWY, y,
1077 e->xconfigurerequest.value_mask & CWWidth, w,
1078 e->xconfigurerequest.value_mask & CWHeight, h,
1079 move, resize);
1080
1081 /* check for broken apps moving to their root position
1082
1083 XXX remove this some day...that would be nice. right now all
1084 kde apps do this when they try activate themselves on another
1085 desktop. eg. open amarok window on desktop 1, switch to desktop
1086 2, click amarok tray icon. it will move by its decoration size.
1087 */
1088 if (move && !resize &&
1089 x != client->area.x &&
1090 x == (client->frame->area.x + client->frame->size.left -
1091 (gint)client->border_width) &&
1092 y != client->area.y &&
1093 y == (client->frame->area.y + client->frame->size.top -
1094 (gint)client->border_width))
1095 {
1096 ob_debug_type(OB_DEBUG_APP_BUGS,
1097 "Application %s is trying to move via "
1098 "ConfigureRequest to it's root window position "
1099 "but it is not using StaticGravity\n",
1100 client->title);
1101 /* don't move it */
1102 x = client->area.x;
1103 y = client->area.y;
1104
1105 /* they still requested a move, so don't change whether a
1106 notify is sent or not */
1107 }
1108
1109 if (move || resize) {
1110 gint lw,lh;
1111
1112 client_find_onscreen(client, &x, &y, w, h, FALSE);
1113 client_try_configure(client, &x, &y, &w, &h, &lw, &lh, FALSE);
1114 /* if they requested something that moves the window, or if
1115 the window is actually being changed then configure it and
1116 send a configure notify to them */
1117 if (move || !RECT_EQUAL_DIMS(client->area, x, y, w, h)) {
1118 ob_debug("Doing configure\n");
1119 client_configure(client, x, y, w, h, FALSE, TRUE);
1120 }
1121
1122 /* ignore enter events caused by these like ob actions do */
1123 event_ignore_all_queued_enters();
1124 }
1125 break;
1126 }
1127 case UnmapNotify:
1128 if (client->ignore_unmaps) {
1129 client->ignore_unmaps--;
1130 break;
1131 }
1132 ob_debug("UnmapNotify for window 0x%x eventwin 0x%x sendevent %d "
1133 "ignores left %d\n",
1134 client->window, e->xunmap.event, e->xunmap.from_configure,
1135 client->ignore_unmaps);
1136 client_unmanage(client);
1137 break;
1138 case DestroyNotify:
1139 ob_debug("DestroyNotify for window 0x%x\n", client->window);
1140 client_unmanage(client);
1141 break;
1142 case ReparentNotify:
1143 /* this is when the client is first taken captive in the frame */
1144 if (e->xreparent.parent == client->frame->plate) break;
1145
1146 /*
1147 This event is quite rare and is usually handled in unmapHandler.
1148 However, if the window is unmapped when the reparent event occurs,
1149 the window manager never sees it because an unmap event is not sent
1150 to an already unmapped window.
1151 */
1152
1153 /* we don't want the reparent event, put it back on the stack for the
1154 X server to deal with after we unmanage the window */
1155 XPutBackEvent(ob_display, e);
1156
1157 ob_debug("ReparentNotify for window 0x%x\n", client->window);
1158 client_unmanage(client);
1159 break;
1160 case MapRequest:
1161 ob_debug("MapRequest for 0x%lx\n", client->window);
1162 if (!client->iconic) break; /* this normally doesn't happen, but if it
1163 does, we don't want it!
1164 it can happen now when the window is on
1165 another desktop, but we still don't
1166 want it! */
1167 client_activate(client, FALSE, TRUE);
1168 break;
1169 case ClientMessage:
1170 /* validate cuz we query stuff off the client here */
1171 if (!client_validate(client)) break;
1172
1173 if (e->xclient.format != 32) return;
1174
1175 msgtype = e->xclient.message_type;
1176 if (msgtype == prop_atoms.wm_change_state) {
1177 /* compress changes into a single change */
1178 while (XCheckTypedWindowEvent(ob_display, client->window,
1179 e->type, &ce)) {
1180 /* XXX: it would be nice to compress ALL messages of a
1181 type, not just messages in a row without other
1182 message types between. */
1183 if (ce.xclient.message_type != msgtype) {
1184 XPutBackEvent(ob_display, &ce);
1185 break;
1186 }
1187 e->xclient = ce.xclient;
1188 }
1189 client_set_wm_state(client, e->xclient.data.l[0]);
1190 } else if (msgtype == prop_atoms.net_wm_desktop) {
1191 /* compress changes into a single change */
1192 while (XCheckTypedWindowEvent(ob_display, client->window,
1193 e->type, &ce)) {
1194 /* XXX: it would be nice to compress ALL messages of a
1195 type, not just messages in a row without other
1196 message types between. */
1197 if (ce.xclient.message_type != msgtype) {
1198 XPutBackEvent(ob_display, &ce);
1199 break;
1200 }
1201 e->xclient = ce.xclient;
1202 }
1203 if ((unsigned)e->xclient.data.l[0] < screen_num_desktops ||
1204 (unsigned)e->xclient.data.l[0] == DESKTOP_ALL)
1205 client_set_desktop(client, (unsigned)e->xclient.data.l[0],
1206 FALSE);
1207 } else if (msgtype == prop_atoms.net_wm_state) {
1208 /* can't compress these */
1209 ob_debug("net_wm_state %s %ld %ld for 0x%lx\n",
1210 (e->xclient.data.l[0] == 0 ? "Remove" :
1211 e->xclient.data.l[0] == 1 ? "Add" :
1212 e->xclient.data.l[0] == 2 ? "Toggle" : "INVALID"),
1213 e->xclient.data.l[1], e->xclient.data.l[2],
1214 client->window);
1215 client_set_state(client, e->xclient.data.l[0],
1216 e->xclient.data.l[1], e->xclient.data.l[2]);
1217
1218 /* ignore enter events caused by these like ob actions do */
1219 event_ignore_all_queued_enters();
1220 } else if (msgtype == prop_atoms.net_close_window) {
1221 ob_debug("net_close_window for 0x%lx\n", client->window);
1222 client_close(client);
1223 } else if (msgtype == prop_atoms.net_active_window) {
1224 ob_debug("net_active_window for 0x%lx source=%s\n",
1225 client->window,
1226 (e->xclient.data.l[0] == 0 ? "unknown" :
1227 (e->xclient.data.l[0] == 1 ? "application" :
1228 (e->xclient.data.l[0] == 2 ? "user" : "INVALID"))));
1229 /* XXX make use of data.l[2] !? */
1230 event_curtime = e->xclient.data.l[1];
1231 if (event_curtime == 0)
1232 ob_debug_type(OB_DEBUG_APP_BUGS,
1233 "_NET_ACTIVE_WINDOW message for window %s is "
1234 "missing a timestamp\n", client->title);
1235 client_activate(client, FALSE,
1236 (e->xclient.data.l[0] == 0 ||
1237 e->xclient.data.l[0] == 2));
1238 } else if (msgtype == prop_atoms.net_wm_moveresize) {
1239 ob_debug("net_wm_moveresize for 0x%lx direction %d\n",
1240 client->window, e->xclient.data.l[2]);
1241 if ((Atom)e->xclient.data.l[2] ==
1242 prop_atoms.net_wm_moveresize_size_topleft ||
1243 (Atom)e->xclient.data.l[2] ==
1244 prop_atoms.net_wm_moveresize_size_top ||
1245 (Atom)e->xclient.data.l[2] ==
1246 prop_atoms.net_wm_moveresize_size_topright ||
1247 (Atom)e->xclient.data.l[2] ==
1248 prop_atoms.net_wm_moveresize_size_right ||
1249 (Atom)e->xclient.data.l[2] ==
1250 prop_atoms.net_wm_moveresize_size_right ||
1251 (Atom)e->xclient.data.l[2] ==
1252 prop_atoms.net_wm_moveresize_size_bottomright ||
1253 (Atom)e->xclient.data.l[2] ==
1254 prop_atoms.net_wm_moveresize_size_bottom ||
1255 (Atom)e->xclient.data.l[2] ==
1256 prop_atoms.net_wm_moveresize_size_bottomleft ||
1257 (Atom)e->xclient.data.l[2] ==
1258 prop_atoms.net_wm_moveresize_size_left ||
1259 (Atom)e->xclient.data.l[2] ==
1260 prop_atoms.net_wm_moveresize_move ||
1261 (Atom)e->xclient.data.l[2] ==
1262 prop_atoms.net_wm_moveresize_size_keyboard ||
1263 (Atom)e->xclient.data.l[2] ==
1264 prop_atoms.net_wm_moveresize_move_keyboard) {
1265
1266 moveresize_start(client, e->xclient.data.l[0],
1267 e->xclient.data.l[1], e->xclient.data.l[3],
1268 e->xclient.data.l[2]);
1269 }
1270 else if ((Atom)e->xclient.data.l[2] ==
1271 prop_atoms.net_wm_moveresize_cancel)
1272 moveresize_end(TRUE);
1273 } else if (msgtype == prop_atoms.net_moveresize_window) {
1274 gint grav, x, y, w, h;
1275
1276 if (e->xclient.data.l[0] & 0xff)
1277 grav = e->xclient.data.l[0] & 0xff;
1278 else
1279 grav = client->gravity;
1280
1281 if (e->xclient.data.l[0] & 1 << 8)
1282 x = e->xclient.data.l[1];
1283 else
1284 x = client->area.x;
1285 if (e->xclient.data.l[0] & 1 << 9)
1286 y = e->xclient.data.l[2];
1287 else
1288 y = client->area.y;
1289 if (e->xclient.data.l[0] & 1 << 10)
1290 w = e->xclient.data.l[3];
1291 else
1292 w = client->area.width;
1293 if (e->xclient.data.l[0] & 1 << 11)
1294 h = e->xclient.data.l[4];
1295 else
1296 h = client->area.height;
1297
1298 ob_debug("MOVERESIZE x %d %d y %d %d\n",
1299 e->xclient.data.l[0] & 1 << 8, x,
1300 e->xclient.data.l[0] & 1 << 9, y);
1301 client_convert_gravity(client, grav, &x, &y, w, h);
1302 client_find_onscreen(client, &x, &y, w, h, FALSE);
1303
1304 client_configure(client, x, y, w, h, FALSE, TRUE);
1305
1306 /* ignore enter events caused by these like ob actions do */
1307 event_ignore_all_queued_enters();
1308 } else if (msgtype == prop_atoms.net_restack_window) {
1309 if (e->xclient.data.l[0] != 2) {
1310 ob_debug_type(OB_DEBUG_APP_BUGS,
1311 "_NET_RESTACK_WINDOW sent for window %s with "
1312 "invalid source indication %ld\n",
1313 client->title, e->xclient.data.l[0]);
1314 } else {
1315 ObClient *sibling = NULL;
1316 if (e->xclient.data.l[1]) {
1317 ObWindow *win = g_hash_table_lookup
1318 (window_map, &e->xclient.data.l[1]);
1319 if (WINDOW_IS_CLIENT(win) &&
1320 WINDOW_AS_CLIENT(win) != client)
1321 {
1322 sibling = WINDOW_AS_CLIENT(win);
1323 }
1324 if (sibling == NULL)
1325 ob_debug_type(OB_DEBUG_APP_BUGS,
1326 "_NET_RESTACK_WINDOW sent for window %s "
1327 "with invalid sibling 0x%x\n",
1328 client->title, e->xclient.data.l[1]);
1329 }
1330 if (e->xclient.data.l[2] == Below ||
1331 e->xclient.data.l[2] == BottomIf ||
1332 e->xclient.data.l[2] == Above ||
1333 e->xclient.data.l[2] == TopIf ||
1334 e->xclient.data.l[2] == Opposite)
1335 {
1336 /* just raise, don't activate */
1337 stacking_restack_request(client, sibling,
1338 e->xclient.data.l[2], FALSE);
1339 /* send a synthetic ConfigureNotify, cuz this is supposed
1340 to be like a ConfigureRequest. */
1341 client_reconfigure(client);
1342 } else
1343 ob_debug_type(OB_DEBUG_APP_BUGS,
1344 "_NET_RESTACK_WINDOW sent for window %s "
1345 "with invalid detail %d\n",
1346 client->title, e->xclient.data.l[2]);
1347 }
1348 }
1349 break;
1350 case PropertyNotify:
1351 /* validate cuz we query stuff off the client here */
1352 if (!client_validate(client)) break;
1353
1354 /* compress changes to a single property into a single change */
1355 while (XCheckTypedWindowEvent(ob_display, client->window,
1356 e->type, &ce)) {
1357 Atom a, b;
1358
1359 /* XXX: it would be nice to compress ALL changes to a property,
1360 not just changes in a row without other props between. */
1361
1362 a = ce.xproperty.atom;
1363 b = e->xproperty.atom;
1364
1365 if (a == b)
1366 continue;
1367 if ((a == prop_atoms.net_wm_name ||
1368 a == prop_atoms.wm_name ||
1369 a == prop_atoms.net_wm_icon_name ||
1370 a == prop_atoms.wm_icon_name)
1371 &&
1372 (b == prop_atoms.net_wm_name ||
1373 b == prop_atoms.wm_name ||
1374 b == prop_atoms.net_wm_icon_name ||
1375 b == prop_atoms.wm_icon_name)) {
1376 continue;
1377 }
1378 if (a == prop_atoms.net_wm_icon &&
1379 b == prop_atoms.net_wm_icon)
1380 continue;
1381
1382 XPutBackEvent(ob_display, &ce);
1383 break;
1384 }
1385
1386 msgtype = e->xproperty.atom;
1387 if (msgtype == XA_WM_NORMAL_HINTS) {
1388 client_update_normal_hints(client);
1389 /* normal hints can make a window non-resizable */
1390 client_setup_decor_and_functions(client);
1391 } else if (msgtype == XA_WM_HINTS) {
1392 client_update_wmhints(client);
1393 } else if (msgtype == XA_WM_TRANSIENT_FOR) {
1394 client_update_transient_for(client);
1395 client_get_type_and_transientness(client);
1396 /* type may have changed, so update the layer */
1397 client_calc_layer(client);
1398 client_setup_decor_and_functions(client);
1399 } else if (msgtype == prop_atoms.net_wm_name ||
1400 msgtype == prop_atoms.wm_name ||
1401 msgtype == prop_atoms.net_wm_icon_name ||
1402 msgtype == prop_atoms.wm_icon_name) {
1403 client_update_title(client);
1404 } else if (msgtype == prop_atoms.wm_protocols) {
1405 client_update_protocols(client);
1406 client_setup_decor_and_functions(client);
1407 }
1408 else if (msgtype == prop_atoms.net_wm_strut) {
1409 client_update_strut(client);
1410 }
1411 else if (msgtype == prop_atoms.net_wm_icon) {
1412 client_update_icons(client);
1413 }
1414 else if (msgtype == prop_atoms.net_wm_icon_geometry) {
1415 client_update_icon_geometry(client);
1416 }
1417 else if (msgtype == prop_atoms.net_wm_user_time) {
1418 client_update_user_time(client);
1419 }
1420 else if (msgtype == prop_atoms.net_wm_user_time_window) {
1421 client_update_user_time_window(client);
1422 }
1423 #ifdef SYNC
1424 else if (msgtype == prop_atoms.net_wm_sync_request_counter) {
1425 client_update_sync_request_counter(client);
1426 }
1427 #endif
1428 case ColormapNotify:
1429 client_update_colormap(client, e->xcolormap.colormap);
1430 break;
1431 default:
1432 ;
1433 #ifdef SHAPE
1434 if (extensions_shape && e->type == extensions_shape_event_basep) {
1435 client->shaped = ((XShapeEvent*)e)->shaped;
1436 frame_adjust_shape(client->frame);
1437 }
1438 #endif
1439 }
1440 }
1441
1442 static void event_handle_dock(ObDock *s, XEvent *e)
1443 {
1444 switch (e->type) {
1445 case ButtonPress:
1446 if (e->xbutton.button == 1)
1447 stacking_raise(DOCK_AS_WINDOW(s));
1448 else if (e->xbutton.button == 2)
1449 stacking_lower(DOCK_AS_WINDOW(s));
1450 break;
1451 case EnterNotify:
1452 dock_hide(FALSE);
1453 break;
1454 case LeaveNotify:
1455 dock_hide(TRUE);
1456 break;
1457 }
1458 }
1459
1460 static void event_handle_dockapp(ObDockApp *app, XEvent *e)
1461 {
1462 switch (e->type) {
1463 case MotionNotify:
1464 dock_app_drag(app, &e->xmotion);
1465 break;
1466 case UnmapNotify:
1467 if (app->ignore_unmaps) {
1468 app->ignore_unmaps--;
1469 break;
1470 }
1471 dock_remove(app, TRUE);
1472 break;
1473 case DestroyNotify:
1474 dock_remove(app, FALSE);
1475 break;
1476 case ReparentNotify:
1477 dock_remove(app, FALSE);
1478 break;
1479 case ConfigureNotify:
1480 dock_app_configure(app, e->xconfigure.width, e->xconfigure.height);
1481 break;
1482 }
1483 }
1484
1485 static ObMenuFrame* find_active_menu()
1486 {
1487 GList *it;
1488 ObMenuFrame *ret = NULL;
1489
1490 for (it = menu_frame_visible; it; it = g_list_next(it)) {
1491 ret = it->data;
1492 if (ret->selected)
1493 break;
1494 ret = NULL;
1495 }
1496 return ret;
1497 }
1498
1499 static ObMenuFrame* find_active_or_last_menu()
1500 {
1501 ObMenuFrame *ret = NULL;
1502
1503 ret = find_active_menu();
1504 if (!ret && menu_frame_visible)
1505 ret = menu_frame_visible->data;
1506 return ret;
1507 }
1508
1509 static gboolean event_handle_menu_keyboard(XEvent *ev)
1510 {
1511 guint keycode, state;
1512 gunichar unikey;
1513 ObMenuFrame *frame;
1514 gboolean ret = TRUE;
1515
1516 keycode = ev->xkey.keycode;
1517 state = ev->xkey.state;
1518 unikey = translate_unichar(keycode);
1519
1520 frame = find_active_or_last_menu();
1521 if (frame == NULL)
1522 ret = FALSE;
1523
1524 else if (keycode == ob_keycode(OB_KEY_ESCAPE) && state == 0) {
1525 /* Escape goes to the parent menu or closes the last one */
1526 if (frame->parent)
1527 menu_frame_select(frame, NULL, TRUE);
1528 else
1529 menu_frame_hide_all();
1530 }
1531
1532 else if (keycode == ob_keycode(OB_KEY_RETURN) && (state == 0 ||
1533 state == ControlMask))
1534 {
1535 /* Enter runs the active item or goes into the submenu.
1536 Control-Enter runs it without closing the menu. */
1537 if (frame->child)
1538 menu_frame_select_next(frame->child);
1539 else
1540 menu_entry_frame_execute(frame->selected, state, ev->xkey.time);
1541 }
1542
1543 else if (keycode == ob_keycode(OB_KEY_LEFT) && ev->xkey.state == 0) {
1544 /* Left goes to the parent menu */
1545 menu_frame_select(frame, NULL, TRUE);
1546 }
1547
1548 else if (keycode == ob_keycode(OB_KEY_RIGHT) && ev->xkey.state == 0) {
1549 /* Right goes to the selected submenu */
1550 if (frame->child) menu_frame_select_next(frame->child);
1551 }
1552
1553 else if (keycode == ob_keycode(OB_KEY_UP) && state == 0) {
1554 menu_frame_select_previous(frame);
1555 }
1556
1557 else if (keycode == ob_keycode(OB_KEY_DOWN) && state == 0) {
1558 menu_frame_select_next(frame);
1559 }
1560
1561 /* keyboard accelerator shortcuts. */
1562 else if (ev->xkey.state == 0 &&
1563 /* was it a valid key? */
1564 unikey != 0 &&
1565 /* don't bother if the menu is empty. */
1566 frame->entries)
1567 {
1568 GList *start;
1569 GList *it;
1570 ObMenuEntryFrame *found = NULL;
1571 guint num_found = 0;
1572
1573 /* start after the selected one */
1574 start = frame->entries;
1575 if (frame->selected) {
1576 for (it = start; frame->selected != it->data; it = g_list_next(it))
1577 g_assert(it != NULL); /* nothing was selected? */
1578 /* next with wraparound */
1579 start = g_list_next(it);
1580 if (start == NULL) start = frame->entries;
1581 }
1582
1583 it = start;
1584 do {
1585 ObMenuEntryFrame *e = it->data;
1586 gunichar entrykey = 0;
1587
1588 if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
1589 entrykey = e->entry->data.normal.shortcut;
1590 else if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
1591 entrykey = e->entry->data.submenu.submenu->shortcut;
1592
1593 if (unikey == entrykey) {
1594 if (found == NULL) found = e;
1595 ++num_found;
1596 }
1597
1598 /* next with wraparound */
1599 it = g_list_next(it);
1600 if (it == NULL) it = frame->entries;
1601 } while (it != start);
1602
1603 if (found) {
1604 if (found->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
1605 num_found == 1)
1606 {
1607 menu_frame_select(frame, found, TRUE);
1608 usleep(50000); /* highlight the item for a short bit so the
1609 user can see what happened */
1610 menu_entry_frame_execute(found, state, ev->xkey.time);
1611 } else {
1612 menu_frame_select(frame, found, TRUE);
1613 if (num_found == 1)
1614 menu_frame_select_next(frame->child);
1615 }
1616 } else
1617 ret = FALSE;
1618 }
1619 else
1620 ret = FALSE;
1621
1622 return ret;
1623 }
1624
1625 static gboolean event_handle_menu(XEvent *ev)
1626 {
1627 ObMenuFrame *f;
1628 ObMenuEntryFrame *e;
1629 gboolean ret = TRUE;
1630
1631 switch (ev->type) {
1632 case ButtonRelease:
1633 if ((ev->xbutton.button < 4 || ev->xbutton.button > 5)
1634 && menu_can_hide)
1635 {
1636 if ((e = menu_entry_frame_under(ev->xbutton.x_root,
1637 ev->xbutton.y_root)))
1638 menu_entry_frame_execute(e, ev->xbutton.state,
1639 ev->xbutton.time);
1640 else
1641 menu_frame_hide_all();
1642 }
1643 break;
1644 case EnterNotify:
1645 if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window))) {
1646 if (e->ignore_enters)
1647 --e->ignore_enters;
1648 else
1649 menu_frame_select(e->frame, e, FALSE);
1650 }
1651 break;
1652 case LeaveNotify:
1653 /*ignore leaves when we're already in the window */
1654 if (ev->xcrossing.detail == NotifyInferior)
1655 break;
1656
1657 if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window)) &&
1658 (f = find_active_menu()) && f->selected == e &&
1659 e->entry->type != OB_MENU_ENTRY_TYPE_SUBMENU)
1660 {
1661 menu_frame_select(e->frame, NULL, FALSE);
1662 }
1663 break;
1664 case MotionNotify:
1665 if ((e = menu_entry_frame_under(ev->xmotion.x_root,
1666 ev->xmotion.y_root)))
1667 menu_frame_select(e->frame, e, FALSE);
1668 break;
1669 case KeyPress:
1670 ret = event_handle_menu_keyboard(ev);
1671 break;
1672 }
1673 return ret;
1674 }
1675
1676 static void event_handle_user_input(ObClient *client, XEvent *e)
1677 {
1678 g_assert(e->type == ButtonPress || e->type == ButtonRelease ||
1679 e->type == MotionNotify || e->type == KeyPress ||
1680 e->type == KeyRelease);
1681
1682 if (menu_frame_visible) {
1683 if (event_handle_menu(e))
1684 /* don't use the event if the menu used it, but if the menu
1685 didn't use it and it's a keypress that is bound, it will
1686 close the menu and be used */
1687 return;
1688 }
1689
1690 /* if the keyboard interactive action uses the event then dont
1691 use it for bindings. likewise is moveresize uses the event. */
1692 if (!keyboard_process_interactive_grab(e, &client) &&
1693 !(moveresize_in_progress && moveresize_event(e)))
1694 {
1695 if (moveresize_in_progress)
1696 /* make further actions work on the client being
1697 moved/resized */
1698 client = moveresize_client;
1699
1700 menu_can_hide = FALSE;
1701 ob_main_loop_timeout_add(ob_main_loop,
1702 config_menu_hide_delay * 1000,
1703 menu_hide_delay_func,
1704 NULL, g_direct_equal, NULL);
1705
1706 if (e->type == ButtonPress ||
1707 e->type == ButtonRelease ||
1708 e->type == MotionNotify)
1709 {
1710 /* the frame may not be "visible" but they can still click on it
1711 in the case where it is animating before disappearing */
1712 if (!client || !frame_iconify_animating(client->frame))
1713 mouse_event(client, e);
1714 } else if (e->type == KeyPress) {
1715 keyboard_event((focus_cycle_target ? focus_cycle_target :
1716 (client ? client : focus_client)), e);
1717 }
1718 }
1719 }
1720
1721 static gboolean menu_hide_delay_func(gpointer data)
1722 {
1723 menu_can_hide = TRUE;
1724 return FALSE; /* no repeat */
1725 }
1726
1727 static void focus_delay_dest(gpointer data)
1728 {
1729 g_free(data);
1730 }
1731
1732 static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2)
1733 {
1734 const ObFocusDelayData *f1 = d1;
1735 return f1->client == d2;
1736 }
1737
1738 static gboolean focus_delay_func(gpointer data)
1739 {
1740 ObFocusDelayData *d = data;
1741 Time old = event_curtime;
1742
1743 event_curtime = d->time;
1744 if (focus_client != d->client) {
1745 if (client_focus(d->client) && config_focus_raise)
1746 stacking_raise(CLIENT_AS_WINDOW(d->client));
1747 }
1748 event_curtime = old;
1749 return FALSE; /* no repeat */
1750 }
1751
1752 static void focus_delay_client_dest(ObClient *client, gpointer data)
1753 {
1754 ob_main_loop_timeout_remove_data(ob_main_loop, focus_delay_func,
1755 client, FALSE);
1756 }
1757
1758 void event_halt_focus_delay()
1759 {
1760 ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
1761 }
1762
1763 static Bool event_look_for_enters(Display *d, XEvent *e, XPointer arg)
1764 {
1765 if (e->type == EnterNotify &&
1766 /* these types aren't used for focusing */
1767 !(e->xcrossing.mode == NotifyGrab ||
1768 e->xcrossing.mode == NotifyUngrab ||
1769 e->xcrossing.detail == NotifyInferior))
1770 {
1771 ObWindow *win;
1772
1773 /* found an enter for that leave, ignore it if it's going to
1774 another window */
1775 win = g_hash_table_lookup(window_map, &e->xany.window);
1776 if (win && WINDOW_IS_CLIENT(win))
1777 ++ignore_enter_focus;
1778 }
1779 return False; /* don't disrupt the queue order, just count them */
1780 }
1781
1782 void event_ignore_all_queued_enters()
1783 {
1784 XEvent e;
1785
1786 XSync(ob_display, FALSE);
1787
1788 /* count the events without disrupting them */
1789 ignore_enter_focus = 0;
1790 XCheckIfEvent(ob_display, &e, event_look_for_enters, NULL);
1791 }
1792
1793 static gboolean is_enter_focus_event_ignored(XEvent *e)
1794 {
1795 g_assert(e->type == EnterNotify &&
1796 !(e->xcrossing.mode == NotifyGrab ||
1797 e->xcrossing.mode == NotifyUngrab ||
1798 e->xcrossing.detail == NotifyInferior));
1799
1800 ob_debug_type(OB_DEBUG_FOCUS, "# enters ignored: %d\n",
1801 ignore_enter_focus);
1802
1803 if (ignore_enter_focus) {
1804 --ignore_enter_focus;
1805 return TRUE;
1806 }
1807 return FALSE;
1808 }
1809
1810 gboolean event_time_after(Time t1, Time t2)
1811 {
1812 g_assert(t1 != CurrentTime);
1813 g_assert(t2 != CurrentTime);
1814
1815 /*
1816 Timestamp values wrap around (after about 49.7 days). The server, given
1817 its current time is represented by timestamp T, always interprets
1818 timestamps from clients by treating half of the timestamp space as being
1819 later in time than T.
1820 - http://tronche.com/gui/x/xlib/input/pointer-grabbing.html
1821 */
1822
1823 /* TIME_HALF is half of the number space of a Time type variable */
1824 #define TIME_HALF (Time)(1 << (sizeof(Time)*8-1))
1825
1826 if (t2 >= TIME_HALF)
1827 /* t2 is in the second half so t1 might wrap around and be smaller than
1828 t2 */
1829 return t1 >= t2 || t1 < (t2 + TIME_HALF);
1830 else
1831 /* t2 is in the first half so t1 has to come after it */
1832 return t1 >= t2 && t1 < (t2 + TIME_HALF);
1833 }
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