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try catch weird racey corner case where we try fallback to a window but it unmaps...
[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 "menu.h"
32 #include "menuframe.h"
33 #include "keyboard.h"
34 #include "modkeys.h"
35 #include "propwin.h"
36 #include "mouse.h"
37 #include "mainloop.h"
38 #include "framerender.h"
39 #include "focus.h"
40 #include "moveresize.h"
41 #include "group.h"
42 #include "stacking.h"
43 #include "extensions.h"
44 #include "translate.h"
45
46 #include <X11/Xlib.h>
47 #include <X11/Xatom.h>
48 #include <glib.h>
49
50 #ifdef HAVE_SYS_SELECT_H
51 # include <sys/select.h>
52 #endif
53 #ifdef HAVE_SIGNAL_H
54 # include <signal.h>
55 #endif
56 #ifdef HAVE_UNISTD_H
57 # include <unistd.h> /* for usleep() */
58 #endif
59 #ifdef XKB
60 # include <X11/XKBlib.h>
61 #endif
62
63 #ifdef USE_SM
64 #include <X11/ICE/ICElib.h>
65 #endif
66
67 typedef struct
68 {
69 gboolean ignored;
70 } ObEventData;
71
72 typedef struct
73 {
74 ObClient *client;
75 Time time;
76 } ObFocusDelayData;
77
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);
87
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);
92
93 static gboolean menu_hide_delay_func(gpointer data);
94
95 /* The time for the current event being processed */
96 Time event_curtime = CurrentTime;
97
98 static guint ignore_enter_focus = 0;
99 static gboolean menu_can_hide;
100 static gboolean focus_left_screen = FALSE;
101 static ObClient *focus_tried = NULL;
102
103 #ifdef USE_SM
104 static void ice_handler(gint fd, gpointer conn)
105 {
106 Bool b;
107 IceProcessMessages(conn, NULL, &b);
108 }
109
110 static void ice_watch(IceConn conn, IcePointer data, Bool opening,
111 IcePointer *watch_data)
112 {
113 static gint fd = -1;
114
115 if (opening) {
116 fd = IceConnectionNumber(conn);
117 ob_main_loop_fd_add(ob_main_loop, fd, ice_handler, conn, NULL);
118 } else {
119 ob_main_loop_fd_remove(ob_main_loop, fd);
120 fd = -1;
121 }
122 }
123 #endif
124
125 void event_startup(gboolean reconfig)
126 {
127 if (reconfig) return;
128
129 ob_main_loop_x_add(ob_main_loop, event_process, NULL, NULL);
130
131 #ifdef USE_SM
132 IceAddConnectionWatch(ice_watch, NULL);
133 #endif
134
135 client_add_destructor(focus_delay_client_dest, NULL);
136 }
137
138 void event_shutdown(gboolean reconfig)
139 {
140 if (reconfig) return;
141
142 #ifdef USE_SM
143 IceRemoveConnectionWatch(ice_watch, NULL);
144 #endif
145
146 client_remove_destructor(focus_delay_client_dest);
147 }
148
149 static Window event_get_window(XEvent *e)
150 {
151 Window window;
152
153 /* pick a window */
154 switch (e->type) {
155 case SelectionClear:
156 window = RootWindow(ob_display, ob_screen);
157 break;
158 case MapRequest:
159 window = e->xmap.window;
160 break;
161 case UnmapNotify:
162 window = e->xunmap.window;
163 break;
164 case DestroyNotify:
165 window = e->xdestroywindow.window;
166 break;
167 case ConfigureRequest:
168 window = e->xconfigurerequest.window;
169 break;
170 case ConfigureNotify:
171 window = e->xconfigure.window;
172 break;
173 default:
174 #ifdef XKB
175 if (extensions_xkb && e->type == extensions_xkb_event_basep) {
176 switch (((XkbAnyEvent*)e)->xkb_type) {
177 case XkbBellNotify:
178 window = ((XkbBellNotifyEvent*)e)->window;
179 default:
180 window = None;
181 }
182 } else
183 #endif
184 #ifdef SYNC
185 if (extensions_sync &&
186 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
187 {
188 window = None;
189 } else
190 #endif
191 window = e->xany.window;
192 }
193 return window;
194 }
195
196 static void event_set_curtime(XEvent *e)
197 {
198 Time t = CurrentTime;
199
200 /* grab the lasttime and hack up the state */
201 switch (e->type) {
202 case ButtonPress:
203 case ButtonRelease:
204 t = e->xbutton.time;
205 break;
206 case KeyPress:
207 t = e->xkey.time;
208 break;
209 case KeyRelease:
210 t = e->xkey.time;
211 break;
212 case MotionNotify:
213 t = e->xmotion.time;
214 break;
215 case PropertyNotify:
216 t = e->xproperty.time;
217 break;
218 case EnterNotify:
219 case LeaveNotify:
220 t = e->xcrossing.time;
221 break;
222 default:
223 #ifdef SYNC
224 if (extensions_sync &&
225 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
226 {
227 t = ((XSyncAlarmNotifyEvent*)e)->time;
228 }
229 #endif
230 /* if more event types are anticipated, get their timestamp
231 explicitly */
232 break;
233 }
234
235 event_curtime = t;
236 }
237
238 static void event_hack_mods(XEvent *e)
239 {
240 #ifdef XKB
241 XkbStateRec xkb_state;
242 #endif
243
244 switch (e->type) {
245 case ButtonPress:
246 case ButtonRelease:
247 e->xbutton.state = modkeys_only_modifier_masks(e->xbutton.state);
248 break;
249 case KeyPress:
250 e->xkey.state = modkeys_only_modifier_masks(e->xkey.state);
251 break;
252 case KeyRelease:
253 e->xkey.state = modkeys_only_modifier_masks(e->xkey.state);
254 #ifdef XKB
255 if (XkbGetState(ob_display, XkbUseCoreKbd, &xkb_state) == Success) {
256 e->xkey.state = xkb_state.compat_state;
257 break;
258 }
259 #endif
260 /* remove from the state the mask of the modifier key being released,
261 if it is a modifier key being released that is */
262 e->xkey.state &= ~modkeys_keycode_to_mask(e->xkey.keycode);
263 break;
264 case MotionNotify:
265 e->xmotion.state = modkeys_only_modifier_masks(e->xmotion.state);
266 /* compress events */
267 {
268 XEvent ce;
269 while (XCheckTypedWindowEvent(ob_display, e->xmotion.window,
270 e->type, &ce)) {
271 e->xmotion.x_root = ce.xmotion.x_root;
272 e->xmotion.y_root = ce.xmotion.y_root;
273 }
274 }
275 break;
276 }
277 }
278
279 static gboolean wanted_focusevent(XEvent *e, gboolean in_client_only)
280 {
281 gint mode = e->xfocus.mode;
282 gint detail = e->xfocus.detail;
283 Window win = e->xany.window;
284
285 if (e->type == FocusIn) {
286 /* These are ones we never want.. */
287
288 /* This means focus was given by a keyboard/mouse grab. */
289 if (mode == NotifyGrab)
290 return FALSE;
291 /* This means focus was given back from a keyboard/mouse grab. */
292 if (mode == NotifyUngrab)
293 return FALSE;
294
295 /* These are the ones we want.. */
296
297 if (win == RootWindow(ob_display, ob_screen) && !in_client_only) {
298 /* This means focus reverted off of a client */
299 if (detail == NotifyPointerRoot || detail == NotifyDetailNone ||
300 detail == NotifyInferior)
301 return TRUE;
302 else
303 return FALSE;
304 }
305
306 /* This means focus moved from the root window to a client */
307 if (detail == NotifyVirtual)
308 return TRUE;
309 /* This means focus moved from one client to another */
310 if (detail == NotifyNonlinearVirtual)
311 return TRUE;
312 /* This means focus moved to the frame window */
313 if (detail == NotifyInferior && !in_client_only)
314 return TRUE;
315
316 /* Otherwise.. */
317 return FALSE;
318 } else {
319 g_assert(e->type == FocusOut);
320
321 /* These are ones we never want.. */
322
323 /* This means focus was taken by a keyboard/mouse grab. */
324 if (mode == NotifyGrab)
325 return FALSE;
326
327 /* Focus left the root window revertedto state */
328 if (win == RootWindow(ob_display, ob_screen))
329 return FALSE;
330
331 /* These are the ones we want.. */
332
333 /* This means focus moved from a client to the root window */
334 if (detail == NotifyVirtual)
335 return TRUE;
336 /* This means focus moved from one client to another */
337 if (detail == NotifyNonlinearVirtual)
338 return TRUE;
339 /* This means focus had moved to our frame window and now moved off */
340 if (detail == NotifyNonlinear)
341 return TRUE;
342
343 /* Otherwise.. */
344 return FALSE;
345 }
346 }
347
348 static Bool look_for_focusin(Display *d, XEvent *e, XPointer arg)
349 {
350 return e->type == FocusIn && wanted_focusevent(e, FALSE);
351 }
352
353 static Bool look_for_focusin_client(Display *d, XEvent *e, XPointer arg)
354 {
355 return e->type == FocusIn && wanted_focusevent(e, TRUE);
356 }
357
358 static void print_focusevent(XEvent *e)
359 {
360 gint mode = e->xfocus.mode;
361 gint detail = e->xfocus.detail;
362 Window win = e->xany.window;
363 const gchar *modestr, *detailstr;
364
365 switch (mode) {
366 case NotifyNormal: modestr="NotifyNormal"; break;
367 case NotifyGrab: modestr="NotifyGrab"; break;
368 case NotifyUngrab: modestr="NotifyUngrab"; break;
369 case NotifyWhileGrabbed: modestr="NotifyWhileGrabbed"; break;
370 }
371 switch (detail) {
372 case NotifyAncestor: detailstr="NotifyAncestor"; break;
373 case NotifyVirtual: detailstr="NotifyVirtual"; break;
374 case NotifyInferior: detailstr="NotifyInferior"; break;
375 case NotifyNonlinear: detailstr="NotifyNonlinear"; break;
376 case NotifyNonlinearVirtual: detailstr="NotifyNonlinearVirtual"; break;
377 case NotifyPointer: detailstr="NotifyPointer"; break;
378 case NotifyPointerRoot: detailstr="NotifyPointerRoot"; break;
379 case NotifyDetailNone: detailstr="NotifyDetailNone"; break;
380 }
381
382 g_assert(modestr);
383 g_assert(detailstr);
384 ob_debug_type(OB_DEBUG_FOCUS, "Focus%s 0x%x mode=%s detail=%s\n",
385 (e->xfocus.type == FocusIn ? "In" : "Out"),
386 win,
387 modestr, detailstr);
388
389 }
390
391 static gboolean event_ignore(XEvent *e, ObClient *client)
392 {
393 switch(e->type) {
394 case FocusIn:
395 print_focusevent(e);
396 if (!wanted_focusevent(e, FALSE))
397 return TRUE;
398 break;
399 case FocusOut:
400 print_focusevent(e);
401 if (!wanted_focusevent(e, FALSE))
402 return TRUE;
403 break;
404 }
405 return FALSE;
406 }
407
408 static void event_process(const XEvent *ec, gpointer data)
409 {
410 Window window;
411 ObClient *client = NULL;
412 ObDock *dock = NULL;
413 ObDockApp *dockapp = NULL;
414 ObWindow *obwin = NULL;
415 GSList *timewinclients = NULL;
416 XEvent ee, *e;
417 ObEventData *ed = data;
418
419 /* make a copy we can mangle */
420 ee = *ec;
421 e = &ee;
422
423 window = event_get_window(e);
424 if (e->type != PropertyNotify ||
425 !(timewinclients = propwin_get_clients(window,
426 OB_PROPWIN_USER_TIME)))
427 if ((obwin = g_hash_table_lookup(window_map, &window))) {
428 switch (obwin->type) {
429 case Window_Dock:
430 dock = WINDOW_AS_DOCK(obwin);
431 break;
432 case Window_DockApp:
433 dockapp = WINDOW_AS_DOCKAPP(obwin);
434 break;
435 case Window_Client:
436 client = WINDOW_AS_CLIENT(obwin);
437 break;
438 case Window_Menu:
439 case Window_Internal:
440 /* not to be used for events */
441 g_assert_not_reached();
442 break;
443 }
444 }
445
446 event_set_curtime(e);
447 event_hack_mods(e);
448 if (event_ignore(e, client)) {
449 if (ed)
450 ed->ignored = TRUE;
451 return;
452 } else if (ed)
453 ed->ignored = FALSE;
454
455 /* deal with it in the kernel */
456
457 if (menu_frame_visible &&
458 (e->type == EnterNotify || e->type == LeaveNotify))
459 {
460 /* crossing events for menu */
461 event_handle_menu(e);
462 } else if (e->type == FocusIn) {
463 if (e->xfocus.detail == NotifyPointerRoot ||
464 e->xfocus.detail == NotifyDetailNone ||
465 e->xfocus.detail == NotifyInferior)
466 {
467 XEvent ce;
468 ob_debug_type(OB_DEBUG_FOCUS,
469 "Focus went to pointer root/none or to our frame "
470 "window\n");
471
472 /* If another FocusIn is in the queue then don't fallback yet. This
473 fixes the fun case of:
474 window map -> send focusin
475 window unmap -> get focusout
476 window map -> send focusin
477 get first focus out -> fall back to something (new window
478 hasn't received focus yet, so something else) -> send focusin
479 which means the "something else" is the last thing to get a
480 focusin sent to it, so the new window doesn't end up with focus.
481
482 But if the other focus in is something like PointerRoot then we
483 still want to fall back.
484 */
485 if (XCheckIfEvent(ob_display, &ce, look_for_focusin_client, NULL)){
486 XPutBackEvent(ob_display, &ce);
487 ob_debug_type(OB_DEBUG_FOCUS,
488 " but another FocusIn is coming\n");
489 } else {
490 /* Focus has been reverted to the root window, nothing, or to
491 our frame window.
492
493 FocusOut events come after UnmapNotify, so we don't need to
494 worry about focusing an invalid window
495 */
496
497 /* In this case we know focus is in our screen */
498 if (e->xfocus.detail == NotifyInferior)
499 focus_left_screen = FALSE;
500
501 if (!focus_left_screen)
502 focus_tried = focus_fallback(TRUE);
503 }
504 } else if (client && client != focus_client) {
505 focus_left_screen = FALSE;
506 frame_adjust_focus(client->frame, TRUE);
507 focus_set_client(client);
508 client_calc_layer(client);
509 client_bring_helper_windows(client);
510
511 focus_tried = NULL; /* focus isn't "trying" to go anywhere now */
512 }
513 } else if (e->type == FocusOut) {
514 gboolean nomove = FALSE;
515 XEvent ce;
516
517 /* Look for the followup FocusIn */
518 if (!XCheckIfEvent(ob_display, &ce, look_for_focusin, NULL)) {
519 /* There is no FocusIn, this means focus went to a window that
520 is not being managed, or a window on another screen. */
521 Window win, root;
522 gint i;
523 guint u;
524 xerror_set_ignore(TRUE);
525 if (XGetInputFocus(ob_display, &win, &i) != 0 &&
526 XGetGeometry(ob_display, win, &root, &i,&i,&u,&u,&u,&u) != 0 &&
527 root != RootWindow(ob_display, ob_screen))
528 {
529 ob_debug_type(OB_DEBUG_FOCUS,
530 "Focus went to another screen !\n");
531 focus_left_screen = TRUE;
532 }
533 else
534 ob_debug_type(OB_DEBUG_FOCUS,
535 "Focus went to a black hole !\n");
536 xerror_set_ignore(FALSE);
537 /* nothing is focused */
538 focus_set_client(NULL);
539 } else if (ce.xany.window == e->xany.window) {
540 ob_debug_type(OB_DEBUG_FOCUS, "Focus didn't go anywhere\n");
541 /* If focus didn't actually move anywhere, there is nothing to do*/
542 nomove = TRUE;
543 } else {
544 /* Focus did move, so process the FocusIn event */
545 ObEventData ed = { .ignored = FALSE };
546 event_process(&ce, &ed);
547 if (ed.ignored) {
548 /* The FocusIn was ignored, this means it was on a window
549 that isn't a client. */
550 ob_debug_type(OB_DEBUG_FOCUS,
551 "Focus went to an unmanaged window 0x%x !\n",
552 ce.xfocus.window);
553 focus_tried = focus_fallback(TRUE);
554 }
555 }
556
557 if (client && !nomove) {
558 frame_adjust_focus(client->frame, FALSE);
559 /* focus_set_client has already been called for sure */
560 client_calc_layer(client);
561 }
562 } else if (timewinclients)
563 event_handle_user_time_window_clients(timewinclients, e);
564 else if (client)
565 event_handle_client(client, e);
566 else if (dockapp)
567 event_handle_dockapp(dockapp, e);
568 else if (dock)
569 event_handle_dock(dock, e);
570 else if (window == RootWindow(ob_display, ob_screen))
571 event_handle_root(e);
572 else if (e->type == MapRequest)
573 client_manage(window);
574 else if (e->type == ClientMessage) {
575 /* This is for _NET_WM_REQUEST_FRAME_EXTENTS messages. They come for
576 windows that are not managed yet. */
577 if (e->xclient.message_type == prop_atoms.net_request_frame_extents) {
578 /* Pretend to manage the client, getting information used to
579 determine its decorations */
580 ObClient *c = client_fake_manage(e->xclient.window);
581 gulong vals[4];
582
583 /* set the frame extents on the window */
584 vals[0] = c->frame->size.left;
585 vals[1] = c->frame->size.right;
586 vals[2] = c->frame->size.top;
587 vals[3] = c->frame->size.bottom;
588 PROP_SETA32(e->xclient.window, net_frame_extents,
589 cardinal, vals, 4);
590
591 /* Free the pretend client */
592 client_fake_unmanage(c);
593 }
594 }
595 else if (e->type == ConfigureRequest) {
596 /* unhandled configure requests must be used to configure the
597 window directly */
598 XWindowChanges xwc;
599
600 xwc.x = e->xconfigurerequest.x;
601 xwc.y = e->xconfigurerequest.y;
602 xwc.width = e->xconfigurerequest.width;
603 xwc.height = e->xconfigurerequest.height;
604 xwc.border_width = e->xconfigurerequest.border_width;
605 xwc.sibling = e->xconfigurerequest.above;
606 xwc.stack_mode = e->xconfigurerequest.detail;
607
608 /* we are not to be held responsible if someone sends us an
609 invalid request! */
610 xerror_set_ignore(TRUE);
611 XConfigureWindow(ob_display, window,
612 e->xconfigurerequest.value_mask, &xwc);
613 xerror_set_ignore(FALSE);
614 }
615 #ifdef SYNC
616 else if (extensions_sync &&
617 e->type == extensions_sync_event_basep + XSyncAlarmNotify)
618 {
619 XSyncAlarmNotifyEvent *se = (XSyncAlarmNotifyEvent*)e;
620 if (se->alarm == moveresize_alarm && moveresize_in_progress)
621 moveresize_event(e);
622 }
623 #endif
624
625 if (e->type == ButtonPress || e->type == ButtonRelease ||
626 e->type == MotionNotify || e->type == KeyPress ||
627 e->type == KeyRelease)
628 {
629 event_handle_user_input(client, e);
630 }
631
632 /* if something happens and it's not from an XEvent, then we don't know
633 the time */
634 event_curtime = CurrentTime;
635 }
636
637 static void event_handle_root(XEvent *e)
638 {
639 Atom msgtype;
640
641 switch(e->type) {
642 case SelectionClear:
643 ob_debug("Another WM has requested to replace us. Exiting.\n");
644 ob_exit_replace();
645 break;
646
647 case ClientMessage:
648 if (e->xclient.format != 32) break;
649
650 msgtype = e->xclient.message_type;
651 if (msgtype == prop_atoms.net_current_desktop) {
652 guint d = e->xclient.data.l[0];
653 if (d < screen_num_desktops) {
654 event_curtime = e->xclient.data.l[1];
655 if (event_curtime == 0)
656 ob_debug_type(OB_DEBUG_APP_BUGS,
657 "_NET_CURRENT_DESKTOP message is missing "
658 "a timestamp\n");
659 screen_set_desktop(d, TRUE);
660 }
661 } else if (msgtype == prop_atoms.net_number_of_desktops) {
662 guint d = e->xclient.data.l[0];
663 if (d > 0)
664 screen_set_num_desktops(d);
665 } else if (msgtype == prop_atoms.net_showing_desktop) {
666 screen_show_desktop(e->xclient.data.l[0] != 0, NULL);
667 } else if (msgtype == prop_atoms.openbox_control) {
668 if (e->xclient.data.l[0] == 1)
669 ob_reconfigure();
670 else if (e->xclient.data.l[0] == 2)
671 ob_restart();
672 }
673 break;
674 case PropertyNotify:
675 if (e->xproperty.atom == prop_atoms.net_desktop_names)
676 screen_update_desktop_names();
677 else if (e->xproperty.atom == prop_atoms.net_desktop_layout)
678 screen_update_layout();
679 break;
680 case ConfigureNotify:
681 #ifdef XRANDR
682 XRRUpdateConfiguration(e);
683 #endif
684 screen_resize();
685 break;
686 default:
687 ;
688 }
689 }
690
691 void event_enter_client(ObClient *client)
692 {
693 g_assert(config_focus_follow);
694
695 if (client_enter_focusable(client) && client_can_focus(client)) {
696 if (config_focus_delay) {
697 ObFocusDelayData *data;
698
699 ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
700
701 data = g_new(ObFocusDelayData, 1);
702 data->client = client;
703 data->time = event_curtime;
704
705 ob_main_loop_timeout_add(ob_main_loop,
706 config_focus_delay,
707 focus_delay_func,
708 data, focus_delay_cmp, focus_delay_dest);
709 } else {
710 ObFocusDelayData data;
711 data.client = client;
712 data.time = event_curtime;
713 focus_delay_func(&data);
714 }
715 }
716 }
717
718 static void event_handle_user_time_window_clients(GSList *l, XEvent *e)
719 {
720 g_assert(e->type == PropertyNotify);
721 if (e->xproperty.atom == prop_atoms.net_wm_user_time) {
722 for (; l; l = g_slist_next(l))
723 client_update_user_time(l->data);
724 }
725 }
726
727 static void event_handle_client(ObClient *client, XEvent *e)
728 {
729 XEvent ce;
730 Atom msgtype;
731 ObFrameContext con;
732 static gint px = -1, py = -1;
733 static guint pb = 0;
734
735 switch (e->type) {
736 case ButtonPress:
737 /* save where the press occured for the first button pressed */
738 if (!pb) {
739 pb = e->xbutton.button;
740 px = e->xbutton.x;
741 py = e->xbutton.y;
742 }
743 case ButtonRelease:
744 /* Wheel buttons don't draw because they are an instant click, so it
745 is a waste of resources to go drawing it.
746 if the user is doing an intereactive thing, or has a menu open then
747 the mouse is grabbed (possibly) and if we get these events we don't
748 want to deal with them
749 */
750 if (!(e->xbutton.button == 4 || e->xbutton.button == 5) &&
751 !keyboard_interactively_grabbed() &&
752 !menu_frame_visible)
753 {
754 /* use where the press occured */
755 con = frame_context(client, e->xbutton.window, px, py);
756 con = mouse_button_frame_context(con, e->xbutton.button);
757
758 if (e->type == ButtonRelease && e->xbutton.button == pb)
759 pb = 0, px = py = -1;
760
761 switch (con) {
762 case OB_FRAME_CONTEXT_MAXIMIZE:
763 client->frame->max_press = (e->type == ButtonPress);
764 framerender_frame(client->frame);
765 break;
766 case OB_FRAME_CONTEXT_CLOSE:
767 client->frame->close_press = (e->type == ButtonPress);
768 framerender_frame(client->frame);
769 break;
770 case OB_FRAME_CONTEXT_ICONIFY:
771 client->frame->iconify_press = (e->type == ButtonPress);
772 framerender_frame(client->frame);
773 break;
774 case OB_FRAME_CONTEXT_ALLDESKTOPS:
775 client->frame->desk_press = (e->type == ButtonPress);
776 framerender_frame(client->frame);
777 break;
778 case OB_FRAME_CONTEXT_SHADE:
779 client->frame->shade_press = (e->type == ButtonPress);
780 framerender_frame(client->frame);
781 break;
782 default:
783 /* nothing changes with clicks for any other contexts */
784 break;
785 }
786 }
787 break;
788 case MotionNotify:
789 con = frame_context(client, e->xmotion.window,
790 e->xmotion.x, e->xmotion.y);
791 switch (con) {
792 case OB_FRAME_CONTEXT_TITLEBAR:
793 /* we've left the button area inside the titlebar */
794 if (client->frame->max_hover || client->frame->desk_hover ||
795 client->frame->shade_hover || client->frame->iconify_hover ||
796 client->frame->close_hover)
797 {
798 client->frame->max_hover = FALSE;
799 client->frame->desk_hover = FALSE;
800 client->frame->shade_hover = FALSE;
801 client->frame->iconify_hover = FALSE;
802 client->frame->close_hover = FALSE;
803 frame_adjust_state(client->frame);
804 }
805 break;
806 case OB_FRAME_CONTEXT_MAXIMIZE:
807 if (!client->frame->max_hover) {
808 client->frame->max_hover = TRUE;
809 frame_adjust_state(client->frame);
810 }
811 break;
812 case OB_FRAME_CONTEXT_ALLDESKTOPS:
813 if (!client->frame->desk_hover) {
814 client->frame->desk_hover = TRUE;
815 frame_adjust_state(client->frame);
816 }
817 break;
818 case OB_FRAME_CONTEXT_SHADE:
819 if (!client->frame->shade_hover) {
820 client->frame->shade_hover = TRUE;
821 frame_adjust_state(client->frame);
822 }
823 break;
824 case OB_FRAME_CONTEXT_ICONIFY:
825 if (!client->frame->iconify_hover) {
826 client->frame->iconify_hover = TRUE;
827 frame_adjust_state(client->frame);
828 }
829 break;
830 case OB_FRAME_CONTEXT_CLOSE:
831 if (!client->frame->close_hover) {
832 client->frame->close_hover = TRUE;
833 frame_adjust_state(client->frame);
834 }
835 break;
836 default:
837 break;
838 }
839 break;
840 case LeaveNotify:
841 con = frame_context(client, e->xcrossing.window,
842 e->xcrossing.x, e->xcrossing.y);
843 switch (con) {
844 case OB_FRAME_CONTEXT_MAXIMIZE:
845 client->frame->max_hover = FALSE;
846 frame_adjust_state(client->frame);
847 break;
848 case OB_FRAME_CONTEXT_ALLDESKTOPS:
849 client->frame->desk_hover = FALSE;
850 frame_adjust_state(client->frame);
851 break;
852 case OB_FRAME_CONTEXT_SHADE:
853 client->frame->shade_hover = FALSE;
854 frame_adjust_state(client->frame);
855 break;
856 case OB_FRAME_CONTEXT_ICONIFY:
857 client->frame->iconify_hover = FALSE;
858 frame_adjust_state(client->frame);
859 break;
860 case OB_FRAME_CONTEXT_CLOSE:
861 client->frame->close_hover = FALSE;
862 frame_adjust_state(client->frame);
863 break;
864 case OB_FRAME_CONTEXT_FRAME:
865 /* When the mouse leaves an animating window, don't use the
866 corresponding enter events. Pretend like the animating window
867 doesn't even exist..! */
868 if (frame_iconify_animating(client->frame))
869 event_ignore_queued_enters();
870
871 ob_debug_type(OB_DEBUG_FOCUS,
872 "%sNotify mode %d detail %d on %lx\n",
873 (e->type == EnterNotify ? "Enter" : "Leave"),
874 e->xcrossing.mode,
875 e->xcrossing.detail, (client?client->window:0));
876 if (keyboard_interactively_grabbed())
877 break;
878 if (config_focus_follow && config_focus_delay &&
879 /* leave inferior events can happen when the mouse goes onto
880 the window's border and then into the window before the
881 delay is up */
882 e->xcrossing.detail != NotifyInferior)
883 {
884 ob_main_loop_timeout_remove_data(ob_main_loop,
885 focus_delay_func,
886 client, FALSE);
887 }
888 break;
889 default:
890 break;
891 }
892 break;
893 case EnterNotify:
894 {
895 gboolean nofocus = FALSE;
896
897 if (ignore_enter_focus) {
898 ignore_enter_focus--;
899 nofocus = TRUE;
900 }
901
902 con = frame_context(client, e->xcrossing.window,
903 e->xcrossing.x, e->xcrossing.y);
904 switch (con) {
905 case OB_FRAME_CONTEXT_MAXIMIZE:
906 client->frame->max_hover = TRUE;
907 frame_adjust_state(client->frame);
908 break;
909 case OB_FRAME_CONTEXT_ALLDESKTOPS:
910 client->frame->desk_hover = TRUE;
911 frame_adjust_state(client->frame);
912 break;
913 case OB_FRAME_CONTEXT_SHADE:
914 client->frame->shade_hover = TRUE;
915 frame_adjust_state(client->frame);
916 break;
917 case OB_FRAME_CONTEXT_ICONIFY:
918 client->frame->iconify_hover = TRUE;
919 frame_adjust_state(client->frame);
920 break;
921 case OB_FRAME_CONTEXT_CLOSE:
922 client->frame->close_hover = TRUE;
923 frame_adjust_state(client->frame);
924 break;
925 case OB_FRAME_CONTEXT_FRAME:
926 if (keyboard_interactively_grabbed())
927 break;
928 if (e->xcrossing.mode == NotifyGrab ||
929 e->xcrossing.mode == NotifyUngrab ||
930 /*ignore enters when we're already in the window */
931 e->xcrossing.detail == NotifyInferior)
932 {
933 ob_debug_type(OB_DEBUG_FOCUS,
934 "%sNotify mode %d detail %d on %lx IGNORED\n",
935 (e->type == EnterNotify ? "Enter" : "Leave"),
936 e->xcrossing.mode,
937 e->xcrossing.detail, client?client->window:0);
938 } else {
939 ob_debug_type(OB_DEBUG_FOCUS,
940 "%sNotify mode %d detail %d on %lx, "
941 "focusing window: %d\n",
942 (e->type == EnterNotify ? "Enter" : "Leave"),
943 e->xcrossing.mode,
944 e->xcrossing.detail, (client?client->window:0),
945 !nofocus);
946 if (!nofocus && config_focus_follow)
947 event_enter_client(client);
948 }
949 break;
950 default:
951 break;
952 }
953 break;
954 }
955 case ConfigureRequest:
956 {
957 /* dont compress these unless you're going to watch for property
958 notifies in between (these can change what the configure would
959 do to the window).
960 also you can't compress stacking events
961 */
962
963 gint x, y, w, h;
964
965 /* if nothing is changed, then a configurenotify is needed */
966 gboolean config = TRUE;
967
968 x = client->area.x;
969 y = client->area.y;
970 w = client->area.width;
971 h = client->area.height;
972
973 ob_debug("ConfigureRequest desktop %d wmstate %d visibile %d\n",
974 screen_desktop, client->wmstate, client->frame->visible);
975
976 if (e->xconfigurerequest.value_mask & CWBorderWidth)
977 if (client->border_width != e->xconfigurerequest.border_width) {
978 client->border_width = e->xconfigurerequest.border_width;
979 /* if only the border width is changing, then it's not needed*/
980 config = FALSE;
981 }
982
983
984 if (e->xconfigurerequest.value_mask & CWStackMode) {
985 ObClient *sibling = NULL;
986
987 /* get the sibling */
988 if (e->xconfigurerequest.value_mask & CWSibling) {
989 ObWindow *win;
990 win = g_hash_table_lookup(window_map,
991 &e->xconfigurerequest.above);
992 if (WINDOW_IS_CLIENT(win) && WINDOW_AS_CLIENT(win) != client)
993 sibling = WINDOW_AS_CLIENT(win);
994 }
995
996 /* activate it rather than just focus it */
997 stacking_restack_request(client, sibling,
998 e->xconfigurerequest.detail, TRUE);
999
1000 /* if a stacking change is requested then it is needed */
1001 config = TRUE;
1002 }
1003
1004 /* don't allow clients to move shaded windows (fvwm does this) */
1005 if (client->shaded && (e->xconfigurerequest.value_mask & CWX ||
1006 e->xconfigurerequest.value_mask & CWY))
1007 {
1008 e->xconfigurerequest.value_mask &= ~CWX;
1009 e->xconfigurerequest.value_mask &= ~CWY;
1010
1011 /* if the client tried to move and we aren't letting it then a
1012 synthetic event is needed */
1013 config = TRUE;
1014 }
1015
1016 if (e->xconfigurerequest.value_mask & CWX ||
1017 e->xconfigurerequest.value_mask & CWY ||
1018 e->xconfigurerequest.value_mask & CWWidth ||
1019 e->xconfigurerequest.value_mask & CWHeight)
1020 {
1021 if (e->xconfigurerequest.value_mask & CWX)
1022 x = e->xconfigurerequest.x;
1023 if (e->xconfigurerequest.value_mask & CWY)
1024 y = e->xconfigurerequest.y;
1025 if (e->xconfigurerequest.value_mask & CWWidth)
1026 w = e->xconfigurerequest.width;
1027 if (e->xconfigurerequest.value_mask & CWHeight)
1028 h = e->xconfigurerequest.height;
1029
1030 /* if a new position or size is requested, then a configure is
1031 needed */
1032 config = TRUE;
1033 }
1034
1035 ob_debug("ConfigureRequest x(%d) %d y(%d) %d w(%d) %d h(%d) %d\n",
1036 e->xconfigurerequest.value_mask & CWX, x,
1037 e->xconfigurerequest.value_mask & CWY, y,
1038 e->xconfigurerequest.value_mask & CWWidth, w,
1039 e->xconfigurerequest.value_mask & CWHeight, h);
1040
1041 /* check for broken apps moving to their root position
1042
1043 XXX remove this some day...that would be nice. right now all
1044 kde apps do this when they try activate themselves on another
1045 desktop. eg. open amarok window on desktop 1, switch to desktop
1046 2, click amarok tray icon. it will move by its decoration size.
1047 */
1048 if (x != client->area.x &&
1049 x == (client->frame->area.x + client->frame->size.left -
1050 (gint)client->border_width) &&
1051 y != client->area.y &&
1052 y == (client->frame->area.y + client->frame->size.top -
1053 (gint)client->border_width))
1054 {
1055 ob_debug_type(OB_DEBUG_APP_BUGS,
1056 "Application %s is trying to move via "
1057 "ConfigureRequest to it's root window position "
1058 "but it is not using StaticGravity\n",
1059 client->title);
1060 /* don't move it */
1061 x = client->area.x;
1062 y = client->area.y;
1063 }
1064
1065 if (config) {
1066 client_find_onscreen(client, &x, &y, w, h, FALSE);
1067 client_configure_full(client, x, y, w, h, FALSE, TRUE);
1068 }
1069 break;
1070 }
1071 case UnmapNotify:
1072 if (client->ignore_unmaps) {
1073 client->ignore_unmaps--;
1074 break;
1075 }
1076 ob_debug("UnmapNotify for window 0x%x eventwin 0x%x sendevent %d "
1077 "ignores left %d\n",
1078 client->window, e->xunmap.event, e->xunmap.from_configure,
1079 client->ignore_unmaps);
1080 client_unmanage(client);
1081
1082 /* we were trying to focus this window but it's gone */
1083 if (client == focus_tried) {
1084 ob_debug_type(OB_DEBUG_FOCUS, "Tried to focus window 0x%x but it "
1085 "is being unmanaged. Falling back focus again.\n");
1086 focus_tried = focus_fallback(TRUE);
1087 }
1088 break;
1089 case DestroyNotify:
1090 ob_debug("DestroyNotify for window 0x%x\n", client->window);
1091 client_unmanage(client);
1092
1093 /* we were trying to focus this window but it's gone */
1094 if (client == focus_tried) {
1095 ob_debug_type(OB_DEBUG_FOCUS, "Tried to focus window 0x%x but it "
1096 "is being unmanaged. Falling back focus again.\n");
1097 focus_tried = focus_fallback(TRUE);
1098 }
1099 break;
1100 case ReparentNotify:
1101 /* this is when the client is first taken captive in the frame */
1102 if (e->xreparent.parent == client->frame->plate) break;
1103
1104 /*
1105 This event is quite rare and is usually handled in unmapHandler.
1106 However, if the window is unmapped when the reparent event occurs,
1107 the window manager never sees it because an unmap event is not sent
1108 to an already unmapped window.
1109 */
1110
1111 /* we don't want the reparent event, put it back on the stack for the
1112 X server to deal with after we unmanage the window */
1113 XPutBackEvent(ob_display, e);
1114
1115 ob_debug("ReparentNotify for window 0x%x\n", client->window);
1116 client_unmanage(client);
1117
1118 /* we were trying to focus this window but it's gone */
1119 if (client == focus_tried) {
1120 ob_debug_type(OB_DEBUG_FOCUS, "Tried to focus window 0x%x but it "
1121 "is being unmanaged. Falling back focus again.\n");
1122 focus_tried = focus_fallback(TRUE);
1123 }
1124 break;
1125 case MapRequest:
1126 ob_debug("MapRequest for 0x%lx\n", client->window);
1127 if (!client->iconic) break; /* this normally doesn't happen, but if it
1128 does, we don't want it!
1129 it can happen now when the window is on
1130 another desktop, but we still don't
1131 want it! */
1132 client_activate(client, FALSE, TRUE);
1133 break;
1134 case ClientMessage:
1135 /* validate cuz we query stuff off the client here */
1136 if (!client_validate(client)) break;
1137
1138 if (e->xclient.format != 32) return;
1139
1140 msgtype = e->xclient.message_type;
1141 if (msgtype == prop_atoms.wm_change_state) {
1142 /* compress changes into a single change */
1143 while (XCheckTypedWindowEvent(ob_display, client->window,
1144 e->type, &ce)) {
1145 /* XXX: it would be nice to compress ALL messages of a
1146 type, not just messages in a row without other
1147 message types between. */
1148 if (ce.xclient.message_type != msgtype) {
1149 XPutBackEvent(ob_display, &ce);
1150 break;
1151 }
1152 e->xclient = ce.xclient;
1153 }
1154 client_set_wm_state(client, e->xclient.data.l[0]);
1155 } else if (msgtype == prop_atoms.net_wm_desktop) {
1156 /* compress changes into a single change */
1157 while (XCheckTypedWindowEvent(ob_display, client->window,
1158 e->type, &ce)) {
1159 /* XXX: it would be nice to compress ALL messages of a
1160 type, not just messages in a row without other
1161 message types between. */
1162 if (ce.xclient.message_type != msgtype) {
1163 XPutBackEvent(ob_display, &ce);
1164 break;
1165 }
1166 e->xclient = ce.xclient;
1167 }
1168 if ((unsigned)e->xclient.data.l[0] < screen_num_desktops ||
1169 (unsigned)e->xclient.data.l[0] == DESKTOP_ALL)
1170 client_set_desktop(client, (unsigned)e->xclient.data.l[0],
1171 FALSE);
1172 } else if (msgtype == prop_atoms.net_wm_state) {
1173 /* can't compress these */
1174 ob_debug("net_wm_state %s %ld %ld for 0x%lx\n",
1175 (e->xclient.data.l[0] == 0 ? "Remove" :
1176 e->xclient.data.l[0] == 1 ? "Add" :
1177 e->xclient.data.l[0] == 2 ? "Toggle" : "INVALID"),
1178 e->xclient.data.l[1], e->xclient.data.l[2],
1179 client->window);
1180 client_set_state(client, e->xclient.data.l[0],
1181 e->xclient.data.l[1], e->xclient.data.l[2]);
1182 } else if (msgtype == prop_atoms.net_close_window) {
1183 ob_debug("net_close_window for 0x%lx\n", client->window);
1184 client_close(client);
1185 } else if (msgtype == prop_atoms.net_active_window) {
1186 ob_debug("net_active_window for 0x%lx source=%s\n",
1187 client->window,
1188 (e->xclient.data.l[0] == 0 ? "unknown" :
1189 (e->xclient.data.l[0] == 1 ? "application" :
1190 (e->xclient.data.l[0] == 2 ? "user" : "INVALID"))));
1191 /* XXX make use of data.l[2] !? */
1192 event_curtime = e->xclient.data.l[1];
1193 if (event_curtime == 0)
1194 ob_debug_type(OB_DEBUG_APP_BUGS,
1195 "_NET_ACTIVE_WINDOW message for window %s is "
1196 "missing a timestamp\n", client->title);
1197 client_activate(client, FALSE,
1198 (e->xclient.data.l[0] == 0 ||
1199 e->xclient.data.l[0] == 2));
1200 } else if (msgtype == prop_atoms.net_wm_moveresize) {
1201 ob_debug("net_wm_moveresize for 0x%lx direction %d\n",
1202 client->window, e->xclient.data.l[2]);
1203 if ((Atom)e->xclient.data.l[2] ==
1204 prop_atoms.net_wm_moveresize_size_topleft ||
1205 (Atom)e->xclient.data.l[2] ==
1206 prop_atoms.net_wm_moveresize_size_top ||
1207 (Atom)e->xclient.data.l[2] ==
1208 prop_atoms.net_wm_moveresize_size_topright ||
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_right ||
1213 (Atom)e->xclient.data.l[2] ==
1214 prop_atoms.net_wm_moveresize_size_bottomright ||
1215 (Atom)e->xclient.data.l[2] ==
1216 prop_atoms.net_wm_moveresize_size_bottom ||
1217 (Atom)e->xclient.data.l[2] ==
1218 prop_atoms.net_wm_moveresize_size_bottomleft ||
1219 (Atom)e->xclient.data.l[2] ==
1220 prop_atoms.net_wm_moveresize_size_left ||
1221 (Atom)e->xclient.data.l[2] ==
1222 prop_atoms.net_wm_moveresize_move ||
1223 (Atom)e->xclient.data.l[2] ==
1224 prop_atoms.net_wm_moveresize_size_keyboard ||
1225 (Atom)e->xclient.data.l[2] ==
1226 prop_atoms.net_wm_moveresize_move_keyboard) {
1227
1228 moveresize_start(client, e->xclient.data.l[0],
1229 e->xclient.data.l[1], e->xclient.data.l[3],
1230 e->xclient.data.l[2]);
1231 }
1232 else if ((Atom)e->xclient.data.l[2] ==
1233 prop_atoms.net_wm_moveresize_cancel)
1234 moveresize_end(TRUE);
1235 } else if (msgtype == prop_atoms.net_moveresize_window) {
1236 gint grav, x, y, w, h;
1237
1238 if (e->xclient.data.l[0] & 0xff)
1239 grav = e->xclient.data.l[0] & 0xff;
1240 else
1241 grav = client->gravity;
1242
1243 if (e->xclient.data.l[0] & 1 << 8)
1244 x = e->xclient.data.l[1];
1245 else
1246 x = client->area.x;
1247 if (e->xclient.data.l[0] & 1 << 9)
1248 y = e->xclient.data.l[2];
1249 else
1250 y = client->area.y;
1251 if (e->xclient.data.l[0] & 1 << 10)
1252 w = e->xclient.data.l[3];
1253 else
1254 w = client->area.width;
1255 if (e->xclient.data.l[0] & 1 << 11)
1256 h = e->xclient.data.l[4];
1257 else
1258 h = client->area.height;
1259
1260 ob_debug("MOVERESIZE x %d %d y %d %d\n",
1261 e->xclient.data.l[0] & 1 << 8, x,
1262 e->xclient.data.l[0] & 1 << 9, y);
1263 client_convert_gravity(client, grav, &x, &y, w, h);
1264 client_find_onscreen(client, &x, &y, w, h, FALSE);
1265 client_configure(client, x, y, w, h, FALSE, TRUE);
1266 } else if (msgtype == prop_atoms.net_restack_window) {
1267 if (e->xclient.data.l[0] != 2) {
1268 ob_debug_type(OB_DEBUG_APP_BUGS,
1269 "_NET_RESTACK_WINDOW sent for window %s with "
1270 "invalid source indication %ld\n",
1271 client->title, e->xclient.data.l[0]);
1272 } else {
1273 ObClient *sibling = NULL;
1274 if (e->xclient.data.l[1]) {
1275 ObWindow *win = g_hash_table_lookup(window_map,
1276 &e->xclient.data.l[1]);
1277 if (WINDOW_IS_CLIENT(win) &&
1278 WINDOW_AS_CLIENT(win) != client)
1279 {
1280 sibling = WINDOW_AS_CLIENT(win);
1281 }
1282 if (sibling == NULL)
1283 ob_debug_type(OB_DEBUG_APP_BUGS,
1284 "_NET_RESTACK_WINDOW sent for window %s "
1285 "with invalid sibling 0x%x\n",
1286 client->title, e->xclient.data.l[1]);
1287 }
1288 if (e->xclient.data.l[2] == Below ||
1289 e->xclient.data.l[2] == BottomIf ||
1290 e->xclient.data.l[2] == Above ||
1291 e->xclient.data.l[2] == TopIf ||
1292 e->xclient.data.l[2] == Opposite)
1293 {
1294 /* just raise, don't activate */
1295 stacking_restack_request(client, sibling,
1296 e->xclient.data.l[2], FALSE);
1297 /* send a synthetic ConfigureNotify, cuz this is supposed
1298 to be like a ConfigureRequest. */
1299 client_configure_full(client, client->area.x,
1300 client->area.y,
1301 client->area.width,
1302 client->area.height,
1303 FALSE, TRUE);
1304 } else
1305 ob_debug_type(OB_DEBUG_APP_BUGS,
1306 "_NET_RESTACK_WINDOW sent for window %s "
1307 "with invalid detail %d\n",
1308 client->title, e->xclient.data.l[2]);
1309 }
1310 }
1311 break;
1312 case PropertyNotify:
1313 /* validate cuz we query stuff off the client here */
1314 if (!client_validate(client)) break;
1315
1316 /* compress changes to a single property into a single change */
1317 while (XCheckTypedWindowEvent(ob_display, client->window,
1318 e->type, &ce)) {
1319 Atom a, b;
1320
1321 /* XXX: it would be nice to compress ALL changes to a property,
1322 not just changes in a row without other props between. */
1323
1324 a = ce.xproperty.atom;
1325 b = e->xproperty.atom;
1326
1327 if (a == b)
1328 continue;
1329 if ((a == prop_atoms.net_wm_name ||
1330 a == prop_atoms.wm_name ||
1331 a == prop_atoms.net_wm_icon_name ||
1332 a == prop_atoms.wm_icon_name)
1333 &&
1334 (b == prop_atoms.net_wm_name ||
1335 b == prop_atoms.wm_name ||
1336 b == prop_atoms.net_wm_icon_name ||
1337 b == prop_atoms.wm_icon_name)) {
1338 continue;
1339 }
1340 if (a == prop_atoms.net_wm_icon &&
1341 b == prop_atoms.net_wm_icon)
1342 continue;
1343
1344 XPutBackEvent(ob_display, &ce);
1345 break;
1346 }
1347
1348 msgtype = e->xproperty.atom;
1349 if (msgtype == XA_WM_NORMAL_HINTS) {
1350 client_update_normal_hints(client);
1351 /* normal hints can make a window non-resizable */
1352 client_setup_decor_and_functions(client);
1353 } else if (msgtype == XA_WM_HINTS) {
1354 client_update_wmhints(client);
1355 } else if (msgtype == XA_WM_TRANSIENT_FOR) {
1356 client_update_transient_for(client);
1357 client_get_type_and_transientness(client);
1358 /* type may have changed, so update the layer */
1359 client_calc_layer(client);
1360 client_setup_decor_and_functions(client);
1361 } else if (msgtype == prop_atoms.net_wm_name ||
1362 msgtype == prop_atoms.wm_name ||
1363 msgtype == prop_atoms.net_wm_icon_name ||
1364 msgtype == prop_atoms.wm_icon_name) {
1365 client_update_title(client);
1366 } else if (msgtype == prop_atoms.wm_protocols) {
1367 client_update_protocols(client);
1368 client_setup_decor_and_functions(client);
1369 }
1370 else if (msgtype == prop_atoms.net_wm_strut) {
1371 client_update_strut(client);
1372 }
1373 else if (msgtype == prop_atoms.net_wm_icon) {
1374 client_update_icons(client);
1375 }
1376 else if (msgtype == prop_atoms.net_wm_icon_geometry) {
1377 client_update_icon_geometry(client);
1378 }
1379 else if (msgtype == prop_atoms.net_wm_user_time) {
1380 client_update_user_time(client);
1381 }
1382 else if (msgtype == prop_atoms.net_wm_user_time_window) {
1383 client_update_user_time_window(client);
1384 }
1385 #ifdef SYNC
1386 else if (msgtype == prop_atoms.net_wm_sync_request_counter) {
1387 client_update_sync_request_counter(client);
1388 }
1389 #endif
1390 case ColormapNotify:
1391 client_update_colormap(client, e->xcolormap.colormap);
1392 break;
1393 default:
1394 ;
1395 #ifdef SHAPE
1396 if (extensions_shape && e->type == extensions_shape_event_basep) {
1397 client->shaped = ((XShapeEvent*)e)->shaped;
1398 frame_adjust_shape(client->frame);
1399 }
1400 #endif
1401 }
1402 }
1403
1404 static void event_handle_dock(ObDock *s, XEvent *e)
1405 {
1406 switch (e->type) {
1407 case ButtonPress:
1408 if (e->xbutton.button == 1)
1409 stacking_raise(DOCK_AS_WINDOW(s));
1410 else if (e->xbutton.button == 2)
1411 stacking_lower(DOCK_AS_WINDOW(s));
1412 break;
1413 case EnterNotify:
1414 dock_hide(FALSE);
1415 break;
1416 case LeaveNotify:
1417 dock_hide(TRUE);
1418 break;
1419 }
1420 }
1421
1422 static void event_handle_dockapp(ObDockApp *app, XEvent *e)
1423 {
1424 switch (e->type) {
1425 case MotionNotify:
1426 dock_app_drag(app, &e->xmotion);
1427 break;
1428 case UnmapNotify:
1429 if (app->ignore_unmaps) {
1430 app->ignore_unmaps--;
1431 break;
1432 }
1433 dock_remove(app, TRUE);
1434 break;
1435 case DestroyNotify:
1436 dock_remove(app, FALSE);
1437 break;
1438 case ReparentNotify:
1439 dock_remove(app, FALSE);
1440 break;
1441 case ConfigureNotify:
1442 dock_app_configure(app, e->xconfigure.width, e->xconfigure.height);
1443 break;
1444 }
1445 }
1446
1447 static ObMenuFrame* find_active_menu()
1448 {
1449 GList *it;
1450 ObMenuFrame *ret = NULL;
1451
1452 for (it = menu_frame_visible; it; it = g_list_next(it)) {
1453 ret = it->data;
1454 if (ret->selected)
1455 break;
1456 ret = NULL;
1457 }
1458 return ret;
1459 }
1460
1461 static ObMenuFrame* find_active_or_last_menu()
1462 {
1463 ObMenuFrame *ret = NULL;
1464
1465 ret = find_active_menu();
1466 if (!ret && menu_frame_visible)
1467 ret = menu_frame_visible->data;
1468 return ret;
1469 }
1470
1471 static gboolean event_handle_menu_keyboard(XEvent *ev)
1472 {
1473 guint keycode, state;
1474 gunichar unikey;
1475 ObMenuFrame *frame;
1476 gboolean ret = TRUE;
1477
1478 keycode = ev->xkey.keycode;
1479 state = ev->xkey.state;
1480 unikey = translate_unichar(keycode);
1481
1482 frame = find_active_or_last_menu();
1483 if (frame == NULL)
1484 ret = FALSE;
1485
1486 else if (keycode == ob_keycode(OB_KEY_ESCAPE) && state == 0) {
1487 /* Escape closes the active menu */
1488 menu_frame_hide(frame);
1489 }
1490
1491 else if (keycode == ob_keycode(OB_KEY_RETURN) && (state == 0 ||
1492 state == ControlMask))
1493 {
1494 /* Enter runs the active item or goes into the submenu.
1495 Control-Enter runs it without closing the menu. */
1496 if (frame->child)
1497 menu_frame_select_next(frame->child);
1498 else
1499 menu_entry_frame_execute(frame->selected, state, ev->xkey.time);
1500 }
1501
1502 else if (keycode == ob_keycode(OB_KEY_LEFT) && ev->xkey.state == 0) {
1503 /* Left goes to the parent menu */
1504 menu_frame_select(frame, NULL, TRUE);
1505 }
1506
1507 else if (keycode == ob_keycode(OB_KEY_RIGHT) && ev->xkey.state == 0) {
1508 /* Right goes to the selected submenu */
1509 if (frame->child) menu_frame_select_next(frame->child);
1510 }
1511
1512 else if (keycode == ob_keycode(OB_KEY_UP) && state == 0) {
1513 menu_frame_select_previous(frame);
1514 }
1515
1516 else if (keycode == ob_keycode(OB_KEY_DOWN) && state == 0) {
1517 menu_frame_select_next(frame);
1518 }
1519
1520 /* keyboard accelerator shortcuts. */
1521 else if (ev->xkey.state == 0 &&
1522 /* was it a valid key? */
1523 unikey != 0 &&
1524 /* don't bother if the menu is empty. */
1525 frame->entries)
1526 {
1527 GList *start;
1528 GList *it;
1529 ObMenuEntryFrame *found = NULL;
1530 guint num_found = 0;
1531
1532 /* start after the selected one */
1533 start = frame->entries;
1534 if (frame->selected) {
1535 for (it = start; frame->selected != it->data; it = g_list_next(it))
1536 g_assert(it != NULL); /* nothing was selected? */
1537 /* next with wraparound */
1538 start = g_list_next(it);
1539 if (start == NULL) start = frame->entries;
1540 }
1541
1542 it = start;
1543 do {
1544 ObMenuEntryFrame *e = it->data;
1545 gunichar entrykey = 0;
1546
1547 if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
1548 entrykey = e->entry->data.normal.shortcut;
1549 else if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
1550 entrykey = e->entry->data.submenu.submenu->shortcut;
1551
1552 if (unikey == entrykey) {
1553 if (found == NULL) found = e;
1554 ++num_found;
1555 }
1556
1557 /* next with wraparound */
1558 it = g_list_next(it);
1559 if (it == NULL) it = frame->entries;
1560 } while (it != start);
1561
1562 if (found) {
1563 if (found->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
1564 num_found == 1)
1565 {
1566 menu_frame_select(frame, found, TRUE);
1567 usleep(50000); /* highlight the item for a short bit so the
1568 user can see what happened */
1569 menu_entry_frame_execute(found, state, ev->xkey.time);
1570 } else {
1571 menu_frame_select(frame, found, TRUE);
1572 if (num_found == 1)
1573 menu_frame_select_next(frame->child);
1574 }
1575 } else
1576 ret = FALSE;
1577 }
1578 else
1579 ret = FALSE;
1580
1581 return ret;
1582 }
1583
1584 static gboolean event_handle_menu(XEvent *ev)
1585 {
1586 ObMenuFrame *f;
1587 ObMenuEntryFrame *e;
1588 gboolean ret = TRUE;
1589
1590 switch (ev->type) {
1591 case ButtonRelease:
1592 if ((ev->xbutton.button < 4 || ev->xbutton.button > 5)
1593 && menu_can_hide)
1594 {
1595 if ((e = menu_entry_frame_under(ev->xbutton.x_root,
1596 ev->xbutton.y_root)))
1597 menu_entry_frame_execute(e, ev->xbutton.state,
1598 ev->xbutton.time);
1599 else
1600 menu_frame_hide_all();
1601 }
1602 break;
1603 case EnterNotify:
1604 if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window))) {
1605 if (e->ignore_enters)
1606 --e->ignore_enters;
1607 else
1608 menu_frame_select(e->frame, e, FALSE);
1609 }
1610 break;
1611 case LeaveNotify:
1612 if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window)) &&
1613 (f = find_active_menu()) && f->selected == e &&
1614 e->entry->type != OB_MENU_ENTRY_TYPE_SUBMENU)
1615 {
1616 menu_frame_select(e->frame, NULL, FALSE);
1617 }
1618 case MotionNotify:
1619 if ((e = menu_entry_frame_under(ev->xmotion.x_root,
1620 ev->xmotion.y_root)))
1621 menu_frame_select(e->frame, e, FALSE);
1622 break;
1623 case KeyPress:
1624 ret = event_handle_menu_keyboard(ev);
1625 break;
1626 }
1627 return ret;
1628 }
1629
1630 static void event_handle_user_input(ObClient *client, XEvent *e)
1631 {
1632 g_assert(e->type == ButtonPress || e->type == ButtonRelease ||
1633 e->type == MotionNotify || e->type == KeyPress ||
1634 e->type == KeyRelease);
1635
1636 if (menu_frame_visible) {
1637 if (event_handle_menu(e))
1638 /* don't use the event if the menu used it, but if the menu
1639 didn't use it and it's a keypress that is bound, it will
1640 close the menu and be used */
1641 return;
1642 }
1643
1644 /* if the keyboard interactive action uses the event then dont
1645 use it for bindings. likewise is moveresize uses the event. */
1646 if (!keyboard_process_interactive_grab(e, &client) &&
1647 !(moveresize_in_progress && moveresize_event(e)))
1648 {
1649 if (moveresize_in_progress)
1650 /* make further actions work on the client being
1651 moved/resized */
1652 client = moveresize_client;
1653
1654 menu_can_hide = FALSE;
1655 ob_main_loop_timeout_add(ob_main_loop,
1656 config_menu_hide_delay * 1000,
1657 menu_hide_delay_func,
1658 NULL, g_direct_equal, NULL);
1659
1660 if (e->type == ButtonPress ||
1661 e->type == ButtonRelease ||
1662 e->type == MotionNotify)
1663 {
1664 /* the frame may not be "visible" but they can still click on it
1665 in the case where it is animating before disappearing */
1666 if (!client || !frame_iconify_animating(client->frame))
1667 mouse_event(client, e);
1668 } else if (e->type == KeyPress) {
1669 keyboard_event((focus_cycle_target ? focus_cycle_target :
1670 (client ? client : focus_client)), e);
1671 }
1672 }
1673 }
1674
1675 static gboolean menu_hide_delay_func(gpointer data)
1676 {
1677 menu_can_hide = TRUE;
1678 return FALSE; /* no repeat */
1679 }
1680
1681 static void focus_delay_dest(gpointer data)
1682 {
1683 g_free(data);
1684 }
1685
1686 static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2)
1687 {
1688 const ObFocusDelayData *f1 = d1;
1689 return f1->client == d2;
1690 }
1691
1692 static gboolean focus_delay_func(gpointer data)
1693 {
1694 ObFocusDelayData *d = data;
1695 Time old = event_curtime;
1696
1697 event_curtime = d->time;
1698 if (focus_client != d->client) {
1699 if (client_focus(d->client) && config_focus_raise)
1700 stacking_raise(CLIENT_AS_WINDOW(d->client));
1701 }
1702 event_curtime = old;
1703 return FALSE; /* no repeat */
1704 }
1705
1706 static void focus_delay_client_dest(ObClient *client, gpointer data)
1707 {
1708 ob_main_loop_timeout_remove_data(ob_main_loop, focus_delay_func,
1709 client, FALSE);
1710 }
1711
1712 void event_halt_focus_delay()
1713 {
1714 ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
1715 }
1716
1717 void event_ignore_queued_enters()
1718 {
1719 GSList *saved = NULL, *it;
1720 XEvent *e;
1721
1722 XSync(ob_display, FALSE);
1723
1724 /* count the events */
1725 while (TRUE) {
1726 e = g_new(XEvent, 1);
1727 if (XCheckTypedEvent(ob_display, EnterNotify, e)) {
1728 ObWindow *win;
1729
1730 win = g_hash_table_lookup(window_map, &e->xany.window);
1731 if (win && WINDOW_IS_CLIENT(win))
1732 ++ignore_enter_focus;
1733
1734 saved = g_slist_append(saved, e);
1735 } else {
1736 g_free(e);
1737 break;
1738 }
1739 }
1740 /* put the events back */
1741 for (it = saved; it; it = g_slist_next(it)) {
1742 XPutBackEvent(ob_display, it->data);
1743 g_free(it->data);
1744 }
1745 g_slist_free(saved);
1746 }
1747
1748 gboolean event_time_after(Time t1, Time t2)
1749 {
1750 g_assert(t1 != CurrentTime);
1751 g_assert(t2 != CurrentTime);
1752
1753 /*
1754 Timestamp values wrap around (after about 49.7 days). The server, given
1755 its current time is represented by timestamp T, always interprets
1756 timestamps from clients by treating half of the timestamp space as being
1757 later in time than T.
1758 - http://tronche.com/gui/x/xlib/input/pointer-grabbing.html
1759 */
1760
1761 /* TIME_HALF is half of the number space of a Time type variable */
1762 #define TIME_HALF (Time)(1 << (sizeof(Time)*8-1))
1763
1764 if (t2 >= TIME_HALF)
1765 /* t2 is in the second half so t1 might wrap around and be smaller than
1766 t2 */
1767 return t1 >= t2 || t1 < (t2 + TIME_HALF);
1768 else
1769 /* t2 is in the first half so t1 has to come after it */
1770 return t1 >= t2 && t1 < (t2 + TIME_HALF);
1771 }
my patches for the openbox window manager
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