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1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    client.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 "client.h"
21 #include "debug.h"
22 #include "startupnotify.h"
23 #include "dock.h"
24 #include "xerror.h"
25 #include "screen.h"
26 #include "moveresize.h"
27 #include "ping.h"
28 #include "place.h"
29 #include "prop.h"
30 #include "extensions.h"
31 #include "frame.h"
32 #include "session.h"
33 #include "event.h"
34 #include "grab.h"
35 #include "prompt.h"
36 #include "focus.h"
37 #include "stacking.h"
38 #include "openbox.h"
39 #include "group.h"
40 #include "config.h"
41 #include "menuframe.h"
42 #include "keyboard.h"
43 #include "mouse.h"
44 #include "render/render.h"
45 #include "gettext.h"
46
47 #ifdef HAVE_UNISTD_H
48 #  include <unistd.h>
49 #endif
50
51 #ifdef HAVE_SIGNAL_H
52 #  include <signal.h> /* for kill() */
53 #endif
54
55 #include <glib.h>
56 #include <X11/Xutil.h>
57
58 /*! The event mask to grab on client windows */
59 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
60                           ColormapChangeMask)
61
62 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
63                                 ButtonMotionMask)
64
65 typedef struct
66 {
67     ObClientCallback func;
68     gpointer data;
69 } ClientCallback;
70
71 GList          *client_list             = NULL;
72
73 static GSList  *client_destroy_notifies = NULL;
74 static RrImage *client_default_icon     = NULL;
75
76 static void client_get_all(ObClient *self, gboolean real);
77 static void client_get_startup_id(ObClient *self);
78 static void client_get_session_ids(ObClient *self);
79 static void client_get_area(ObClient *self);
80 static void client_get_desktop(ObClient *self);
81 static void client_get_state(ObClient *self);
82 static void client_get_shaped(ObClient *self);
83 static void client_get_colormap(ObClient *self);
84 static void client_set_desktop_recursive(ObClient *self,
85                                          guint target,
86                                          gboolean donthide,
87                                          gboolean dontraise);
88 static void client_change_allowed_actions(ObClient *self);
89 static void client_change_state(ObClient *self);
90 static void client_change_wm_state(ObClient *self);
91 static void client_apply_startup_state(ObClient *self,
92                                        gint x, gint y, gint w, gint h);
93 static void client_restore_session_state(ObClient *self);
94 static gboolean client_restore_session_stacking(ObClient *self);
95 static ObAppSettings *client_get_settings_state(ObClient *self);
96 static void client_update_transient_tree(ObClient *self,
97                                          ObGroup *oldgroup, ObGroup *newgroup,
98                                          gboolean oldgtran, gboolean newgtran,
99                                          ObClient* oldparent,
100                                          ObClient *newparent);
101 static void client_present(ObClient *self, gboolean here, gboolean raise,
102                            gboolean unshade);
103 static GSList *client_search_all_top_parents_internal(ObClient *self,
104                                                       gboolean bylayer,
105                                                       ObStackingLayer layer);
106 static void client_call_notifies(ObClient *self, GSList *list);
107 static void client_ping_event(ObClient *self, gboolean dead);
108 static void client_prompt_kill(ObClient *self);
109 static gboolean client_can_steal_focus(ObClient *self, Time steal_time,
110                                        Time launch_time);
111
112 void client_startup(gboolean reconfig)
113 {
114     if ((client_default_icon = RrImageCacheFind(ob_rr_icons,
115                                                 ob_rr_theme->def_win_icon,
116                                                 ob_rr_theme->def_win_icon_w,
117                                                 ob_rr_theme->def_win_icon_h)))
118         RrImageRef(client_default_icon);
119     else {
120         client_default_icon = RrImageNew(ob_rr_icons);
121         RrImageAddPicture(client_default_icon,
122                           ob_rr_theme->def_win_icon,
123                           ob_rr_theme->def_win_icon_w,
124                           ob_rr_theme->def_win_icon_h);
125     }
126
127     if (reconfig) return;
128
129     client_set_list();
130 }
131
132 void client_shutdown(gboolean reconfig)
133 {
134     RrImageUnref(client_default_icon);
135     client_default_icon = NULL;
136
137     if (reconfig) return;
138 }
139
140 static void client_call_notifies(ObClient *self, GSList *list)
141 {
142     GSList *it;
143
144     for (it = list; it; it = g_slist_next(it)) {
145         ClientCallback *d = it->data;
146         d->func(self, d->data);
147     }
148 }
149
150 void client_add_destroy_notify(ObClientCallback func, gpointer data)
151 {
152     ClientCallback *d = g_new(ClientCallback, 1);
153     d->func = func;
154     d->data = data;
155     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
156 }
157
158 void client_remove_destroy_notify(ObClientCallback func)
159 {
160     GSList *it;
161
162     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
163         ClientCallback *d = it->data;
164         if (d->func == func) {
165             g_free(d);
166             client_destroy_notifies =
167                 g_slist_delete_link(client_destroy_notifies, it);
168             break;
169         }
170     }
171 }
172
173 void client_set_list(void)
174 {
175     Window *windows, *win_it;
176     GList *it;
177     guint size = g_list_length(client_list);
178
179     /* create an array of the window ids */
180     if (size > 0) {
181         windows = g_new(Window, size);
182         win_it = windows;
183         for (it = client_list; it; it = g_list_next(it), ++win_it)
184             *win_it = ((ObClient*)it->data)->window;
185     } else
186         windows = NULL;
187
188     PROP_SETA32(RootWindow(ob_display, ob_screen),
189                 net_client_list, window, (gulong*)windows, size);
190
191     if (windows)
192         g_free(windows);
193
194     stacking_set_list();
195 }
196
197 void client_manage_all(void)
198 {
199     guint i, j, nchild;
200     Window w, *children;
201     XWMHints *wmhints;
202     XWindowAttributes attrib;
203
204     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
205                &w, &w, &children, &nchild);
206
207     /* remove all icon windows from the list */
208     for (i = 0; i < nchild; i++) {
209         if (children[i] == None) continue;
210         wmhints = XGetWMHints(ob_display, children[i]);
211         if (wmhints) {
212             if ((wmhints->flags & IconWindowHint) &&
213                 (wmhints->icon_window != children[i]))
214                 for (j = 0; j < nchild; j++)
215                     if (children[j] == wmhints->icon_window) {
216                         children[j] = None;
217                         break;
218                     }
219             XFree(wmhints);
220         }
221     }
222
223     /* manage windows in reverse order from how they were originally mapped.
224        this is an attempt to manage children windows before their parents, so
225        that when the parent is mapped, it can find the child */
226     for (i = 0; i < nchild; ++i) {
227         if (children[i] == None)
228             continue;
229         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
230             if (attrib.override_redirect) continue;
231
232             if (attrib.map_state != IsUnmapped)
233                 client_manage(children[i], NULL);
234         }
235     }
236     XFree(children);
237 }
238
239 void client_manage(Window window, ObPrompt *prompt)
240 {
241     ObClient *self;
242     XEvent e;
243     XWindowAttributes attrib;
244     XSetWindowAttributes attrib_set;
245     XWMHints *wmhint;
246     gboolean activate = FALSE;
247     ObAppSettings *settings;
248     gboolean transient = FALSE;
249     Rect place, *monitor;
250     Time launch_time, map_time;
251     guint32 user_time;
252
253     grab_server(TRUE);
254
255     /* check if it has already been unmapped by the time we started
256        mapping. the grab does a sync so we don't have to here */
257     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
258         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
259     {
260         XPutBackEvent(ob_display, &e);
261
262         ob_debug("Trying to manage unmapped window. Aborting that.\n");
263         grab_server(FALSE);
264         return; /* don't manage it */
265     }
266
267     /* make sure it isn't an override-redirect window */
268     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
269         attrib.override_redirect)
270     {
271         grab_server(FALSE);
272         return; /* don't manage it */
273     }
274
275     /* is the window a docking app */
276     if ((wmhint = XGetWMHints(ob_display, window))) {
277         if ((wmhint->flags & StateHint) &&
278             wmhint->initial_state == WithdrawnState)
279         {
280             dock_add(window, wmhint);
281             grab_server(FALSE);
282             XFree(wmhint);
283             return;
284         }
285         XFree(wmhint);
286     }
287
288     ob_debug("Managing window: 0x%lx\n", window);
289
290     map_time = event_get_server_time();
291
292     /* choose the events we want to receive on the CLIENT window
293        (ObPrompt windows can request events too) */
294     attrib_set.event_mask = CLIENT_EVENTMASK |
295         (prompt ? prompt->event_mask : 0);
296     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
297     XChangeWindowAttributes(ob_display, window,
298                             CWEventMask|CWDontPropagate, &attrib_set);
299
300     /* create the ObClient struct, and populate it from the hints on the
301        window */
302     self = g_new0(ObClient, 1);
303     self->obwin.type = Window_Client;
304     self->window = window;
305     self->prompt = prompt;
306
307     /* non-zero defaults */
308     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
309     self->gravity = NorthWestGravity;
310     self->desktop = screen_num_desktops; /* always an invalid value */
311
312     /* get all the stuff off the window */
313     client_get_all(self, TRUE);
314
315     ob_debug("Window type: %d\n", self->type);
316     ob_debug("Window group: 0x%x\n", self->group?self->group->leader:0);
317     ob_debug("Window name: %s class: %s role: %s\n", self->name, self->class, self->role);
318
319     /* per-app settings override stuff from client_get_all, and return the
320        settings for other uses too. the returned settings is a shallow copy,
321        that needs to be freed with g_free(). */
322     settings = client_get_settings_state(self);
323
324     /* now we have all of the window's information so we can set this up.
325        do this before creating the frame, so it can tell that we are still
326        mapping and doesn't go applying things right away */
327     client_setup_decor_and_functions(self, FALSE);
328
329     /* specify that if we exit, the window should not be destroyed and
330        should be reparented back to root automatically, unless we are managing
331        an internal ObPrompt window  */
332     if (!self->prompt)
333         XChangeSaveSet(ob_display, window, SetModeInsert);
334
335     /* create the decoration frame for the client window */
336     self->frame = frame_new(self);
337
338     frame_grab_client(self->frame);
339
340     /* we've grabbed everything and set everything that we need to at mapping
341        time now */
342     grab_server(FALSE);
343
344     /* the session should get the last say though */
345     client_restore_session_state(self);
346
347     /* tell startup notification that this app started */
348     launch_time = sn_app_started(self->startup_id, self->class, self->name);
349
350     if (!PROP_GET32(self->window, net_wm_user_time, cardinal, &user_time))
351         user_time = map_time;
352
353     /* do this after we have a frame.. it uses the frame to help determine the
354        WM_STATE to apply. */
355     client_change_state(self);
356
357     /* add ourselves to the focus order */
358     focus_order_add_new(self);
359
360     /* do this to add ourselves to the stacking list in a non-intrusive way */
361     client_calc_layer(self);
362
363     /* focus the new window? */
364     if (ob_state() != OB_STATE_STARTING &&
365         (!self->session || self->session->focused) &&
366         /* this means focus=true for window is same as config_focus_new=true */
367         ((config_focus_new || (settings && settings->focus == 1)) ||
368          client_search_focus_tree_full(self)) &&
369         /* NET_WM_USER_TIME 0 when mapping means don't focus */
370         (user_time != 0) &&
371         /* this checks for focus=false for the window */
372         (!settings || settings->focus != 0) &&
373         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
374     {
375         activate = TRUE;
376     }
377
378     /* remove the client's border */
379     XSetWindowBorderWidth(ob_display, self->window, 0);
380
381     /* adjust the frame to the client's size before showing or placing
382        the window */
383     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
384     frame_adjust_client_area(self->frame);
385
386     /* where the frame was placed is where the window was originally */
387     place = self->area;
388     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
389
390     /* figure out placement for the window if the window is new */
391     if (ob_state() == OB_STATE_RUNNING) {
392         ob_debug("Positioned: %s @ %d %d\n",
393                  (!self->positioned ? "no" :
394                   (self->positioned == PPosition ? "program specified" :
395                    (self->positioned == USPosition ? "user specified" :
396                     (self->positioned == (PPosition | USPosition) ?
397                      "program + user specified" :
398                      "BADNESS !?")))), place.x, place.y);
399
400         ob_debug("Sized: %s @ %d %d\n",
401                  (!self->sized ? "no" :
402                   (self->sized == PSize ? "program specified" :
403                    (self->sized == USSize ? "user specified" :
404                     (self->sized == (PSize | USSize) ?
405                      "program + user specified" :
406                      "BADNESS !?")))), place.width, place.height);
407
408         /* splash screens are also returned as TRUE for transient,
409            and so will be forced on screen below */
410         transient = place_client(self, &place.x, &place.y, settings);
411
412         /* make sure the window is visible. */
413         client_find_onscreen(self, &place.x, &place.y,
414                              place.width, place.height,
415                              /* non-normal clients has less rules, and
416                                 windows that are being restored from a
417                                 session do also. we can assume you want
418                                 it back where you saved it. Clients saying
419                                 they placed themselves are subjected to
420                                 harder rules, ones that are placed by
421                                 place.c or by the user are allowed partially
422                                 off-screen and on xinerama divides (ie,
423                                 it is up to the placement routines to avoid
424                                 the xinerama divides)
425
426                                 splash screens get "transient" set to TRUE by
427                                 the place_client call
428                              */
429                              ob_state() == OB_STATE_RUNNING &&
430                              (transient ||
431                               (!((self->positioned & USPosition) ||
432                                  (settings && settings->pos_given)) &&
433                                client_normal(self) &&
434                                !self->session &&
435                                /* don't move oldschool fullscreen windows to
436                                   fit inside the struts (fixes Acroread, which
437                                   makes its fullscreen window fit the screen
438                                   but it is not USSize'd or USPosition'd) */
439                                !(self->decorations == 0 &&
440                                  RECT_EQUAL(place, *monitor)))));
441     }
442
443     /* if the window isn't user-sized, then make it fit inside
444        the visible screen area on its monitor. Use basically the same rules
445        for forcing the window on screen in the client_find_onscreen call.
446
447        do this after place_client, it chooses the monitor!
448
449        splash screens get "transient" set to TRUE by
450        the place_client call
451     */
452     if (ob_state() == OB_STATE_RUNNING &&
453         (transient ||
454          (!(self->sized & USSize || self->positioned & USPosition) &&
455           client_normal(self) &&
456           !self->session &&
457           /* don't shrink oldschool fullscreen windows to fit inside the
458              struts (fixes Acroread, which makes its fullscreen window
459              fit the screen but it is not USSize'd or USPosition'd) */
460           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
461     {
462         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
463
464         /* get the size of the frame */
465         place.width += self->frame->size.left + self->frame->size.right;
466         place.height += self->frame->size.top + self->frame->size.bottom;
467
468         /* fit the window inside the area */
469         place.width = MIN(place.width, a->width);
470         place.height = MIN(place.height, a->height);
471
472         ob_debug("setting window size to %dx%d\n", place.width, place.height);
473
474         /* get the size of the client back */
475         place.width -= self->frame->size.left + self->frame->size.right;
476         place.height -= self->frame->size.top + self->frame->size.bottom;
477
478         g_free(a);
479     }
480
481     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
482              "some restrictions may apply\n",
483              self->window, place.x, place.y, place.width, place.height);
484     if (self->session)
485         ob_debug("  but session requested %d, %d  %d x %d instead, "
486                  "overriding\n",
487                  self->session->x, self->session->y,
488                  self->session->w, self->session->h);
489
490     /* do this after the window is placed, so the premax/prefullscreen numbers
491        won't be all wacko!!
492
493        this also places the window
494     */
495     client_apply_startup_state(self, place.x, place.y,
496                                place.width, place.height);
497
498     g_free(monitor);
499     monitor = NULL;
500
501     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s\n",
502                   activate ? "yes" : "no");
503     if (activate) {
504         activate = client_can_steal_focus(self, map_time, launch_time);
505
506         if (!activate) {
507             /* if the client isn't stealing focus, then hilite it so the user
508                knows it is there */
509             /* XXX don't do this if we're restoring from a session */
510             client_hilite(self, TRUE);
511         }
512     }
513     else {
514         /* This may look rather odd. Well it's because new windows are added
515            to the stacking order non-intrusively. If we're not going to focus
516            the new window or hilite it, then we raise it to the top. This will
517            take affect for things that don't get focused like splash screens.
518            Also if you don't have focus_new enabled, then it's going to get
519            raised to the top. Legacy begets legacy I guess?
520         */
521         if (!client_restore_session_stacking(self))
522             stacking_raise(CLIENT_AS_WINDOW(self));
523     }
524
525     mouse_grab_for_client(self, TRUE);
526
527     /* this has to happen before we try focus the window, but we want it to
528        happen after the client's stacking has been determined or it looks bad
529     */
530     {
531         gulong ignore_start;
532         if (!config_focus_under_mouse)
533             ignore_start = event_start_ignore_all_enters();
534
535         client_show(self);
536
537         if (!config_focus_under_mouse)
538             event_end_ignore_all_enters(ignore_start);
539     }
540
541     if (activate) {
542         gboolean stacked = client_restore_session_stacking(self);
543         client_present(self, FALSE, !stacked, TRUE);
544     }
545
546     /* add to client list/map */
547     client_list = g_list_append(client_list, self);
548     g_hash_table_insert(window_map, &self->window, self);
549
550     /* this has to happen after we're in the client_list */
551     if (STRUT_EXISTS(self->strut))
552         screen_update_areas();
553
554     /* update the list hints */
555     client_set_list();
556
557     /* free the ObAppSettings shallow copy */
558     g_free(settings);
559
560     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
561              window, self->frame->window, self->class);
562
563     return;
564 }
565
566 ObClient *client_fake_manage(Window window)
567 {
568     ObClient *self;
569     ObAppSettings *settings;
570
571     ob_debug("Pretend-managing window: %lx\n", window);
572
573     /* do this minimal stuff to figure out the client's decorations */
574
575     self = g_new0(ObClient, 1);
576     self->window = window;
577
578     client_get_all(self, FALSE);
579     /* per-app settings override stuff, and return the settings for other
580        uses too. this returns a shallow copy that needs to be freed */
581     settings = client_get_settings_state(self);
582
583     client_setup_decor_and_functions(self, FALSE);
584
585     /* create the decoration frame for the client window and adjust its size */
586     self->frame = frame_new(self);
587     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
588
589     ob_debug("gave extents left %d right %d top %d bottom %d\n",
590              self->frame->size.left, self->frame->size.right,
591              self->frame->size.top, self->frame->size.bottom);
592
593     /* free the ObAppSettings shallow copy */
594     g_free(settings);
595
596     return self;
597 }
598
599 void client_unmanage_all(void)
600 {
601     while (client_list)
602         client_unmanage(client_list->data);
603 }
604
605 void client_unmanage(ObClient *self)
606 {
607     GSList *it;
608     gulong ignore_start;
609
610     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
611              self->window, self->frame->window,
612              self->class, self->title ? self->title : "");
613
614     g_assert(self != NULL);
615
616     /* we dont want events no more. do this before hiding the frame so we
617        don't generate more events */
618     XSelectInput(ob_display, self->window, NoEventMask);
619
620     /* ignore enter events from the unmap so it doesnt mess with the focus */
621     if (!config_focus_under_mouse)
622         ignore_start = event_start_ignore_all_enters();
623
624     frame_hide(self->frame);
625     /* flush to send the hide to the server quickly */
626     XFlush(ob_display);
627
628     if (!config_focus_under_mouse)
629         event_end_ignore_all_enters(ignore_start);
630
631     mouse_grab_for_client(self, FALSE);
632
633     /* remove the window from our save set, unless we are managing an internal
634        ObPrompt window */
635     if (!self->prompt)
636         XChangeSaveSet(ob_display, self->window, SetModeDelete);
637
638     /* update the focus lists */
639     focus_order_remove(self);
640     if (client_focused(self)) {
641         /* don't leave an invalid focus_client */
642         focus_client = NULL;
643     }
644
645     /* if we're prompting to kill the client, close that */
646     prompt_unref(self->kill_prompt);
647     self->kill_prompt = NULL;
648
649     client_list = g_list_remove(client_list, self);
650     stacking_remove(self);
651     g_hash_table_remove(window_map, &self->window);
652
653     /* once the client is out of the list, update the struts to remove its
654        influence */
655     if (STRUT_EXISTS(self->strut))
656         screen_update_areas();
657
658     client_call_notifies(self, client_destroy_notifies);
659
660     /* tell our parent(s) that we're gone */
661     for (it = self->parents; it; it = g_slist_next(it))
662         ((ObClient*)it->data)->transients =
663             g_slist_remove(((ObClient*)it->data)->transients,self);
664
665     /* tell our transients that we're gone */
666     for (it = self->transients; it; it = g_slist_next(it)) {
667         ((ObClient*)it->data)->parents =
668             g_slist_remove(((ObClient*)it->data)->parents, self);
669         /* we could be keeping our children in a higher layer */
670         client_calc_layer(it->data);
671     }
672
673     /* remove from its group */
674     if (self->group) {
675         group_remove(self->group, self);
676         self->group = NULL;
677     }
678
679     /* restore the window's original geometry so it is not lost */
680     {
681         Rect a;
682
683         a = self->area;
684
685         if (self->fullscreen)
686             a = self->pre_fullscreen_area;
687         else if (self->max_horz || self->max_vert) {
688             if (self->max_horz) {
689                 a.x = self->pre_max_area.x;
690                 a.width = self->pre_max_area.width;
691             }
692             if (self->max_vert) {
693                 a.y = self->pre_max_area.y;
694                 a.height = self->pre_max_area.height;
695             }
696         }
697
698         self->fullscreen = self->max_horz = self->max_vert = FALSE;
699         /* let it be moved and resized no matter what */
700         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
701         self->decorations = 0; /* unmanaged windows have no decor */
702
703         /* give the client its border back */
704         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
705
706         client_move_resize(self, a.x, a.y, a.width, a.height);
707     }
708
709     /* reparent the window out of the frame, and free the frame */
710     frame_release_client(self->frame);
711     frame_free(self->frame);
712     self->frame = NULL;
713
714     if (ob_state() != OB_STATE_EXITING) {
715         /* these values should not be persisted across a window
716            unmapping/mapping */
717         PROP_ERASE(self->window, net_wm_desktop);
718         PROP_ERASE(self->window, net_wm_state);
719         PROP_ERASE(self->window, wm_state);
720     } else {
721         /* if we're left in an unmapped state, the client wont be mapped.
722            this is bad, since we will no longer be managing the window on
723            restart */
724         XMapWindow(ob_display, self->window);
725     }
726
727     /* these should not be left on the window ever.  other window managers
728        don't necessarily use them and it will mess them up (like compiz) */
729     PROP_ERASE(self->window, net_wm_visible_name);
730     PROP_ERASE(self->window, net_wm_visible_icon_name);
731
732     /* update the list hints */
733     client_set_list();
734
735     ob_debug("Unmanaged window 0x%lx\n", self->window);
736
737     /* free all data allocated in the client struct */
738     RrImageUnref(self->icon_set);
739     g_slist_free(self->transients);
740     g_free(self->startup_id);
741     g_free(self->wm_command);
742     g_free(self->title);
743     g_free(self->icon_title);
744     g_free(self->original_title);
745     g_free(self->name);
746     g_free(self->class);
747     g_free(self->role);
748     g_free(self->client_machine);
749     g_free(self->sm_client_id);
750     g_free(self);
751 }
752
753 void client_fake_unmanage(ObClient *self)
754 {
755     /* this is all that got allocated to get the decorations */
756
757     frame_free(self->frame);
758     g_free(self);
759 }
760
761 static gboolean client_can_steal_focus(ObClient *self, Time steal_time,
762                                        Time launch_time)
763 {
764     gboolean steal;
765     gboolean relative_focused;
766     gboolean parent_focused;
767
768     steal = TRUE;
769
770     parent_focused = (focus_client != NULL &&
771                       client_search_focus_parent(self));
772     relative_focused = (focus_client != NULL &&
773                         (client_search_focus_tree_full(self) != NULL ||
774                          client_search_focus_group_full(self) != NULL));
775
776     /* This is focus stealing prevention */
777     ob_debug_type(OB_DEBUG_FOCUS,
778                   "Want to focus new window 0x%x at time %u "
779                   "launched at %u (last user interaction time %u)\n",
780                   self->window, steal_time, launch_time,
781                   event_last_user_time);
782
783     /* if it's on another desktop */
784     if (!(self->desktop == screen_desktop ||
785           self->desktop == DESKTOP_ALL) &&
786         /* the timestamp is from before you changed desktops */
787         launch_time && screen_desktop_user_time &&
788         !event_time_after(launch_time, screen_desktop_user_time))
789     {
790         steal = FALSE;
791         ob_debug_type(OB_DEBUG_FOCUS,
792                       "Not focusing the window because its on another "
793                       "desktop\n");
794     }
795     /* If something is focused... */
796     else if (focus_client) {
797         /* If the user is working in another window right now, then don't
798            steal focus */
799         if (!parent_focused &&
800             event_last_user_time && launch_time &&
801             event_time_after(event_last_user_time, launch_time) &&
802             event_last_user_time != launch_time &&
803             event_time_after(event_last_user_time,
804                              steal_time - OB_EVENT_USER_TIME_DELAY))
805         {
806             steal = FALSE;
807             ob_debug_type(OB_DEBUG_FOCUS,
808                           "Not focusing the window because the user is "
809                           "working in another window that is not "
810                           "its parent\n");
811         }
812         /* If the new window is a transient (and its relatives aren't
813            focused) */
814         else if (client_has_parent(self) && !relative_focused) {
815             steal = FALSE;
816             ob_debug_type(OB_DEBUG_FOCUS,
817                           "Not focusing the window because it is a "
818                           "transient, and its relatives aren't focused\n");
819         }
820         /* Don't steal focus from globally active clients.
821            I stole this idea from KWin. It seems nice.
822         */
823         else if (!(focus_client->can_focus ||
824                    focus_client->focus_notify))
825         {
826             steal = FALSE;
827             ob_debug_type(OB_DEBUG_FOCUS,
828                           "Not focusing the window because a globally "
829                           "active client has focus\n");
830         }
831         /* Don't move focus if it's not going to go to this window
832            anyway */
833         else if (client_focus_target(self) != self) {
834             steal = FALSE;
835             ob_debug_type(OB_DEBUG_FOCUS,
836                           "Not focusing the window because another window "
837                           "would get the focus anyway\n");
838         }
839         /* Don't move focus if the window is not visible on the current
840            desktop and none of its relatives are focused */
841         else if (!(self->desktop == screen_desktop ||
842                    self->desktop == DESKTOP_ALL) &&
843                  !relative_focused)
844         {
845             steal = FALSE;
846             ob_debug_type(OB_DEBUG_FOCUS,
847                           "Not focusing the window because it is on "
848                           "another desktop and no relatives are focused ");
849         }
850     }
851
852     if (!steal)
853         ob_debug_type(OB_DEBUG_FOCUS,
854                       "Focus stealing prevention activated for %s at "
855                       "time %u (last user interaction time %u)\n",
856                       self->title, steal_time, event_last_user_time);
857     return steal;
858 }
859
860 /*! Returns a new structure containing the per-app settings for this client.
861   The returned structure needs to be freed with g_free. */
862 static ObAppSettings *client_get_settings_state(ObClient *self)
863 {
864     ObAppSettings *settings;
865     GSList *it;
866
867     settings = config_create_app_settings();
868
869     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
870         ObAppSettings *app = it->data;
871         gboolean match = TRUE;
872
873         g_assert(app->name != NULL || app->class != NULL);
874
875         /* we know that either name or class is not NULL so it will have to
876            match to use the rule */
877         if (app->name &&
878             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
879             match = FALSE;
880         else if (app->class &&
881                  !g_pattern_match(app->class,
882                                   strlen(self->class), self->class, NULL))
883             match = FALSE;
884         else if (app->role &&
885                  !g_pattern_match(app->role,
886                                   strlen(self->role), self->role, NULL))
887             match = FALSE;
888         else if ((signed)app->type >= 0 && app->type != self->type)
889             match = FALSE;
890
891         if (match) {
892             ob_debug("Window matching: %s\n", app->name);
893
894             /* copy the settings to our struct, overriding the existing
895                settings if they are not defaults */
896             config_app_settings_copy_non_defaults(app, settings);
897         }
898     }
899
900     if (settings->shade != -1)
901         self->shaded = !!settings->shade;
902     if (settings->decor != -1)
903         self->undecorated = !settings->decor;
904     if (settings->iconic != -1)
905         self->iconic = !!settings->iconic;
906     if (settings->skip_pager != -1)
907         self->skip_pager = !!settings->skip_pager;
908     if (settings->skip_taskbar != -1)
909         self->skip_taskbar = !!settings->skip_taskbar;
910
911     if (settings->max_vert != -1)
912         self->max_vert = !!settings->max_vert;
913     if (settings->max_horz != -1)
914         self->max_horz = !!settings->max_horz;
915
916     if (settings->fullscreen != -1)
917         self->fullscreen = !!settings->fullscreen;
918
919     if (settings->desktop) {
920         if (settings->desktop == DESKTOP_ALL)
921             self->desktop = settings->desktop;
922         else if (settings->desktop > 0 &&
923                  settings->desktop <= screen_num_desktops)
924             self->desktop = settings->desktop - 1;
925     }
926
927     if (settings->layer == -1) {
928         self->below = TRUE;
929         self->above = FALSE;
930     }
931     else if (settings->layer == 0) {
932         self->below = FALSE;
933         self->above = FALSE;
934     }
935     else if (settings->layer == 1) {
936         self->below = FALSE;
937         self->above = TRUE;
938     }
939     return settings;
940 }
941
942 static void client_restore_session_state(ObClient *self)
943 {
944     GList *it;
945
946     ob_debug_type(OB_DEBUG_SM,
947                   "Restore session for client %s\n", self->title);
948
949     if (!(it = session_state_find(self))) {
950         ob_debug_type(OB_DEBUG_SM,
951                       "Session data not found for client %s\n", self->title);
952         return;
953     }
954
955     self->session = it->data;
956
957     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
958                   self->title);
959
960     RECT_SET_POINT(self->area, self->session->x, self->session->y);
961     self->positioned = USPosition;
962     self->sized = USSize;
963     if (self->session->w > 0)
964         self->area.width = self->session->w;
965     if (self->session->h > 0)
966         self->area.height = self->session->h;
967     XResizeWindow(ob_display, self->window,
968                   self->area.width, self->area.height);
969
970     self->desktop = (self->session->desktop == DESKTOP_ALL ?
971                      self->session->desktop :
972                      MIN(screen_num_desktops - 1, self->session->desktop));
973     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
974
975     self->shaded = self->session->shaded;
976     self->iconic = self->session->iconic;
977     self->skip_pager = self->session->skip_pager;
978     self->skip_taskbar = self->session->skip_taskbar;
979     self->fullscreen = self->session->fullscreen;
980     self->above = self->session->above;
981     self->below = self->session->below;
982     self->max_horz = self->session->max_horz;
983     self->max_vert = self->session->max_vert;
984     self->undecorated = self->session->undecorated;
985 }
986
987 static gboolean client_restore_session_stacking(ObClient *self)
988 {
989     GList *it, *mypos;
990
991     if (!self->session) return FALSE;
992
993     mypos = g_list_find(session_saved_state, self->session);
994     if (!mypos) return FALSE;
995
996     /* start above me and look for the first client */
997     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
998         GList *cit;
999
1000         for (cit = client_list; cit; cit = g_list_next(cit)) {
1001             ObClient *c = cit->data;
1002             /* found a client that was in the session, so go below it */
1003             if (c->session == it->data) {
1004                 stacking_below(CLIENT_AS_WINDOW(self),
1005                                CLIENT_AS_WINDOW(cit->data));
1006                 return TRUE;
1007             }
1008         }
1009     }
1010     return FALSE;
1011 }
1012
1013 void client_move_onscreen(ObClient *self, gboolean rude)
1014 {
1015     gint x = self->area.x;
1016     gint y = self->area.y;
1017     if (client_find_onscreen(self, &x, &y,
1018                              self->area.width,
1019                              self->area.height, rude)) {
1020         client_move(self, x, y);
1021     }
1022 }
1023
1024 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
1025                               gboolean rude)
1026 {
1027     gint ox = *x, oy = *y;
1028     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
1029     gint fw, fh;
1030     Rect desired;
1031     guint i;
1032     gboolean found_mon;
1033
1034     RECT_SET(desired, *x, *y, w, h);
1035     frame_rect_to_frame(self->frame, &desired);
1036
1037     /* get where the frame would be */
1038     frame_client_gravity(self->frame, x, y);
1039
1040     /* get the requested size of the window with decorations */
1041     fw = self->frame->size.left + w + self->frame->size.right;
1042     fh = self->frame->size.top + h + self->frame->size.bottom;
1043
1044     /* If rudeness wasn't requested, then still be rude in a given direction
1045        if the client is not moving, only resizing in that direction */
1046     if (!rude) {
1047         Point oldtl, oldtr, oldbl, oldbr;
1048         Point newtl, newtr, newbl, newbr;
1049         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1050
1051         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
1052         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
1053                   self->frame->area.y + self->frame->area.height - 1);
1054         POINT_SET(oldtr, oldbr.x, oldtl.y);
1055         POINT_SET(oldbl, oldtl.x, oldbr.y);
1056
1057         POINT_SET(newtl, *x, *y);
1058         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1059         POINT_SET(newtr, newbr.x, newtl.y);
1060         POINT_SET(newbl, newtl.x, newbr.y);
1061
1062         /* is it moving or just resizing from some corner? */
1063         stationary_l = oldtl.x == newtl.x;
1064         stationary_r = oldtr.x == newtr.x;
1065         stationary_t = oldtl.y == newtl.y;
1066         stationary_b = oldbl.y == newbl.y;
1067
1068         /* if left edge is growing and didnt move right edge */
1069         if (stationary_r && newtl.x < oldtl.x)
1070             rudel = TRUE;
1071         /* if right edge is growing and didnt move left edge */
1072         if (stationary_l && newtr.x > oldtr.x)
1073             ruder = TRUE;
1074         /* if top edge is growing and didnt move bottom edge */
1075         if (stationary_b && newtl.y < oldtl.y)
1076             rudet = TRUE;
1077         /* if bottom edge is growing and didnt move top edge */
1078         if (stationary_t && newbl.y > oldbl.y)
1079             rudeb = TRUE;
1080     }
1081
1082     /* we iterate through every monitor that the window is at least partially
1083        on, to make sure it is obeying the rules on them all
1084
1085        if the window does not appear on any monitors, then use the first one
1086     */
1087     found_mon = FALSE;
1088     for (i = 0; i < screen_num_monitors; ++i) {
1089         Rect *a;
1090
1091         if (!screen_physical_area_monitor_contains(i, &desired)) {
1092             if (i < screen_num_monitors - 1 || found_mon)
1093                 continue;
1094
1095             /* the window is not inside any monitor! so just use the first
1096                one */
1097             a = screen_area(self->desktop, 0, NULL);
1098         } else {
1099             found_mon = TRUE;
1100             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1101         }
1102
1103         /* This makes sure windows aren't entirely outside of the screen so you
1104            can't see them at all.
1105            It makes sure 10% of the window is on the screen at least. And don't
1106            let it move itself off the top of the screen, which would hide the
1107            titlebar on you. (The user can still do this if they want too, it's
1108            only limiting the application.
1109         */
1110         if (client_normal(self)) {
1111             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1112                 *x = a->x + a->width - fw/10;
1113             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1114                 *y = a->y + a->height - fh/10;
1115             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1116                 *x = a->x - fw*9/10;
1117             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1118                 *y = a->y - fh*9/10;
1119         }
1120
1121         /* This here doesn't let windows even a pixel outside the
1122            struts/screen. When called from client_manage, programs placing
1123            themselves are forced completely onscreen, while things like
1124            xterm -geometry resolution-width/2 will work fine. Trying to
1125            place it completely offscreen will be handled in the above code.
1126            Sorry for this confused comment, i am tired. */
1127         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1128         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1129             *x = a->x + MAX(0, a->width - fw);
1130
1131         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1132         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1133             *y = a->y + MAX(0, a->height - fh);
1134
1135         g_free(a);
1136     }
1137
1138     /* get where the client should be */
1139     frame_frame_gravity(self->frame, x, y);
1140
1141     return ox != *x || oy != *y;
1142 }
1143
1144 static void client_get_all(ObClient *self, gboolean real)
1145 {
1146     /* this is needed for the frame to set itself up */
1147     client_get_area(self);
1148
1149     /* these things can change the decor and functions of the window */
1150
1151     client_get_mwm_hints(self);
1152     /* this can change the mwmhints for special cases */
1153     client_get_type_and_transientness(self);
1154     client_get_state(self);
1155     client_update_normal_hints(self);
1156
1157     /* get the session related properties, these can change decorations
1158        from per-app settings */
1159     client_get_session_ids(self);
1160
1161     /* now we got everything that can affect the decorations */
1162     if (!real)
1163         return;
1164
1165     /* get this early so we have it for debugging */
1166     client_update_title(self);
1167
1168     client_update_protocols(self);
1169
1170     client_update_wmhints(self);
1171     /* this may have already been called from client_update_wmhints */
1172     if (!self->parents && !self->transient_for_group)
1173         client_update_transient_for(self);
1174
1175     client_get_startup_id(self);
1176     client_get_desktop(self);/* uses transient data/group/startup id if a
1177                                 desktop is not specified */
1178     client_get_shaped(self);
1179
1180     {
1181         /* a couple type-based defaults for new windows */
1182
1183         /* this makes sure that these windows appear on all desktops */
1184         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1185             self->desktop = DESKTOP_ALL;
1186     }
1187
1188 #ifdef SYNC
1189     client_update_sync_request_counter(self);
1190 #endif
1191
1192     client_get_colormap(self);
1193     client_update_strut(self);
1194     client_update_icons(self);
1195     client_update_icon_geometry(self);
1196 }
1197
1198 static void client_get_startup_id(ObClient *self)
1199 {
1200     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1201         if (self->group)
1202             PROP_GETS(self->group->leader,
1203                       net_startup_id, utf8, &self->startup_id);
1204 }
1205
1206 static void client_get_area(ObClient *self)
1207 {
1208     XWindowAttributes wattrib;
1209     Status ret;
1210
1211     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1212     g_assert(ret != BadWindow);
1213
1214     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1215     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1216     self->border_width = wattrib.border_width;
1217
1218     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1219              wattrib.width, wattrib.height, wattrib.border_width);
1220 }
1221
1222 static void client_get_desktop(ObClient *self)
1223 {
1224     guint32 d = screen_num_desktops; /* an always-invalid value */
1225
1226     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1227         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1228             self->desktop = screen_num_desktops - 1;
1229         else
1230             self->desktop = d;
1231         ob_debug("client requested desktop 0x%x\n", self->desktop);
1232     } else {
1233         GSList *it;
1234         gboolean first = TRUE;
1235         guint all = screen_num_desktops; /* not a valid value */
1236
1237         /* if they are all on one desktop, then open it on the
1238            same desktop */
1239         for (it = self->parents; it; it = g_slist_next(it)) {
1240             ObClient *c = it->data;
1241
1242             if (c->desktop == DESKTOP_ALL) continue;
1243
1244             if (first) {
1245                 all = c->desktop;
1246                 first = FALSE;
1247             }
1248             else if (all != c->desktop)
1249                 all = screen_num_desktops; /* make it invalid */
1250         }
1251         if (all != screen_num_desktops) {
1252             self->desktop = all;
1253
1254             ob_debug("client desktop set from parents: 0x%x\n",
1255                      self->desktop);
1256         }
1257         /* try get from the startup-notification protocol */
1258         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1259             if (self->desktop >= screen_num_desktops &&
1260                 self->desktop != DESKTOP_ALL)
1261                 self->desktop = screen_num_desktops - 1;
1262             ob_debug("client desktop set from startup-notification: 0x%x\n",
1263                      self->desktop);
1264         }
1265         /* defaults to the current desktop */
1266         else {
1267             self->desktop = screen_desktop;
1268             ob_debug("client desktop set to the current desktop: %d\n",
1269                      self->desktop);
1270         }
1271     }
1272 }
1273
1274 static void client_get_state(ObClient *self)
1275 {
1276     guint32 *state;
1277     guint num;
1278
1279     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1280         gulong i;
1281         for (i = 0; i < num; ++i) {
1282             if (state[i] == prop_atoms.net_wm_state_modal)
1283                 self->modal = TRUE;
1284             else if (state[i] == prop_atoms.net_wm_state_shaded)
1285                 self->shaded = TRUE;
1286             else if (state[i] == prop_atoms.net_wm_state_hidden)
1287                 self->iconic = TRUE;
1288             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1289                 self->skip_taskbar = TRUE;
1290             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1291                 self->skip_pager = TRUE;
1292             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1293                 self->fullscreen = TRUE;
1294             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1295                 self->max_vert = TRUE;
1296             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1297                 self->max_horz = TRUE;
1298             else if (state[i] == prop_atoms.net_wm_state_above)
1299                 self->above = TRUE;
1300             else if (state[i] == prop_atoms.net_wm_state_below)
1301                 self->below = TRUE;
1302             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1303                 self->demands_attention = TRUE;
1304             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1305                 self->undecorated = TRUE;
1306         }
1307
1308         g_free(state);
1309     }
1310 }
1311
1312 static void client_get_shaped(ObClient *self)
1313 {
1314     self->shaped = FALSE;
1315 #ifdef SHAPE
1316     if (extensions_shape) {
1317         gint foo;
1318         guint ufoo;
1319         gint s;
1320
1321         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1322
1323         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1324                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1325                            &ufoo);
1326         self->shaped = !!s;
1327     }
1328 #endif
1329 }
1330
1331 void client_update_transient_for(ObClient *self)
1332 {
1333     Window t = None;
1334     ObClient *target = NULL;
1335     gboolean trangroup = FALSE;
1336
1337     if (XGetTransientForHint(ob_display, self->window, &t)) {
1338         if (t != self->window) { /* can't be transient to itself! */
1339             target = g_hash_table_lookup(window_map, &t);
1340             /* if this happens then we need to check for it */
1341             g_assert(target != self);
1342             if (target && !WINDOW_IS_CLIENT(target)) {
1343                 /* watch out for windows with a parent that is something
1344                    different, like a dockapp for example */
1345                 target = NULL;
1346             }
1347         }
1348
1349         /* Setting the transient_for to Root is actually illegal, however
1350            applications from time have done this to specify transient for
1351            their group */
1352         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1353             trangroup = TRUE;
1354     } else if (self->group && self->transient)
1355         trangroup = TRUE;
1356
1357     client_update_transient_tree(self, self->group, self->group,
1358                                  self->transient_for_group, trangroup,
1359                                  client_direct_parent(self), target);
1360     self->transient_for_group = trangroup;
1361
1362 }
1363
1364 static void client_update_transient_tree(ObClient *self,
1365                                          ObGroup *oldgroup, ObGroup *newgroup,
1366                                          gboolean oldgtran, gboolean newgtran,
1367                                          ObClient* oldparent,
1368                                          ObClient *newparent)
1369 {
1370     GSList *it, *next;
1371     ObClient *c;
1372
1373     g_assert(!oldgtran || oldgroup);
1374     g_assert(!newgtran || newgroup);
1375     g_assert((!oldgtran && !oldparent) ||
1376              (oldgtran && !oldparent) ||
1377              (!oldgtran && oldparent));
1378     g_assert((!newgtran && !newparent) ||
1379              (newgtran && !newparent) ||
1380              (!newgtran && newparent));
1381
1382     /* * *
1383       Group transient windows are not allowed to have other group
1384       transient windows as their children.
1385       * * */
1386
1387     /* No change has occured */
1388     if (oldgroup == newgroup &&
1389         oldgtran == newgtran &&
1390         oldparent == newparent) return;
1391
1392     /** Remove the client from the transient tree **/
1393
1394     for (it = self->transients; it; it = next) {
1395         next = g_slist_next(it);
1396         c = it->data;
1397         self->transients = g_slist_delete_link(self->transients, it);
1398         c->parents = g_slist_remove(c->parents, self);
1399     }
1400     for (it = self->parents; it; it = next) {
1401         next = g_slist_next(it);
1402         c = it->data;
1403         self->parents = g_slist_delete_link(self->parents, it);
1404         c->transients = g_slist_remove(c->transients, self);
1405     }
1406
1407     /** Re-add the client to the transient tree **/
1408
1409     /* If we're transient for a group then we need to add ourselves to all our
1410        parents */
1411     if (newgtran) {
1412         for (it = newgroup->members; it; it = g_slist_next(it)) {
1413             c = it->data;
1414             if (c != self &&
1415                 !client_search_top_direct_parent(c)->transient_for_group &&
1416                 client_normal(c))
1417             {
1418                 c->transients = g_slist_prepend(c->transients, self);
1419                 self->parents = g_slist_prepend(self->parents, c);
1420             }
1421         }
1422     }
1423
1424     /* If we are now transient for a single window we need to add ourselves to
1425        its children
1426
1427        WARNING: Cyclical transient-ness is possible if two windows are
1428        transient for eachother.
1429     */
1430     else if (newparent &&
1431              /* don't make ourself its child if it is already our child */
1432              !client_is_direct_child(self, newparent) &&
1433              client_normal(newparent))
1434     {
1435         newparent->transients = g_slist_prepend(newparent->transients, self);
1436         self->parents = g_slist_prepend(self->parents, newparent);
1437     }
1438
1439     /* Add any group transient windows to our children. But if we're transient
1440        for the group, then other group transients are not our children.
1441
1442        WARNING: Cyclical transient-ness is possible. For e.g. if:
1443        A is transient for the group
1444        B is transient for A
1445        C is transient for B
1446        A can't be transient for C or we have a cycle
1447     */
1448     if (!newgtran && newgroup &&
1449         (!newparent ||
1450          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1451         client_normal(self))
1452     {
1453         for (it = newgroup->members; it; it = g_slist_next(it)) {
1454             c = it->data;
1455             if (c != self && c->transient_for_group &&
1456                 /* Don't make it our child if it is already our parent */
1457                 !client_is_direct_child(c, self))
1458             {
1459                 self->transients = g_slist_prepend(self->transients, c);
1460                 c->parents = g_slist_prepend(c->parents, self);
1461             }
1462         }
1463     }
1464
1465     /** If we change our group transient-ness, our children change their
1466         effective group transient-ness, which affects how they relate to other
1467         group windows **/
1468
1469     for (it = self->transients; it; it = g_slist_next(it)) {
1470         c = it->data;
1471         if (!c->transient_for_group)
1472             client_update_transient_tree(c, c->group, c->group,
1473                                          c->transient_for_group,
1474                                          c->transient_for_group,
1475                                          client_direct_parent(c),
1476                                          client_direct_parent(c));
1477     }
1478 }
1479
1480 void client_get_mwm_hints(ObClient *self)
1481 {
1482     guint num;
1483     guint32 *hints;
1484
1485     self->mwmhints.flags = 0; /* default to none */
1486
1487     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1488                     &hints, &num)) {
1489         if (num >= OB_MWM_ELEMENTS) {
1490             self->mwmhints.flags = hints[0];
1491             self->mwmhints.functions = hints[1];
1492             self->mwmhints.decorations = hints[2];
1493         }
1494         g_free(hints);
1495     }
1496 }
1497
1498 void client_get_type_and_transientness(ObClient *self)
1499 {
1500     guint num, i;
1501     guint32 *val;
1502     Window t;
1503
1504     self->type = -1;
1505     self->transient = FALSE;
1506
1507     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1508         /* use the first value that we know about in the array */
1509         for (i = 0; i < num; ++i) {
1510             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1511                 self->type = OB_CLIENT_TYPE_DESKTOP;
1512             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1513                 self->type = OB_CLIENT_TYPE_DOCK;
1514             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1515                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1516             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1517                 self->type = OB_CLIENT_TYPE_MENU;
1518             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1519                 self->type = OB_CLIENT_TYPE_UTILITY;
1520             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1521                 self->type = OB_CLIENT_TYPE_SPLASH;
1522             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1523                 self->type = OB_CLIENT_TYPE_DIALOG;
1524             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1525                 self->type = OB_CLIENT_TYPE_NORMAL;
1526             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1527                 /* prevent this window from getting any decor or
1528                    functionality */
1529                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1530                                          OB_MWM_FLAG_DECORATIONS);
1531                 self->mwmhints.decorations = 0;
1532                 self->mwmhints.functions = 0;
1533             }
1534             if (self->type != (ObClientType) -1)
1535                 break; /* grab the first legit type */
1536         }
1537         g_free(val);
1538     }
1539
1540     if (XGetTransientForHint(ob_display, self->window, &t))
1541         self->transient = TRUE;
1542
1543     if (self->type == (ObClientType) -1) {
1544         /*the window type hint was not set, which means we either classify
1545           ourself as a normal window or a dialog, depending on if we are a
1546           transient. */
1547         if (self->transient)
1548             self->type = OB_CLIENT_TYPE_DIALOG;
1549         else
1550             self->type = OB_CLIENT_TYPE_NORMAL;
1551     }
1552
1553     /* then, based on our type, we can update our transientness.. */
1554     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1555         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1556         self->type == OB_CLIENT_TYPE_MENU ||
1557         self->type == OB_CLIENT_TYPE_UTILITY)
1558     {
1559         self->transient = TRUE;
1560     }
1561 }
1562
1563 void client_update_protocols(ObClient *self)
1564 {
1565     guint32 *proto;
1566     guint num_return, i;
1567
1568     self->focus_notify = FALSE;
1569     self->delete_window = FALSE;
1570
1571     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1572         for (i = 0; i < num_return; ++i) {
1573             if (proto[i] == prop_atoms.wm_delete_window)
1574                 /* this means we can request the window to close */
1575                 self->delete_window = TRUE;
1576             else if (proto[i] == prop_atoms.wm_take_focus)
1577                 /* if this protocol is requested, then the window will be
1578                    notified whenever we want it to receive focus */
1579                 self->focus_notify = TRUE;
1580             else if (proto[i] == prop_atoms.net_wm_ping)
1581                 /* if this protocol is requested, then the window will allow
1582                    pings to determine if it is still alive */
1583                 self->ping = TRUE;
1584 #ifdef SYNC
1585             else if (proto[i] == prop_atoms.net_wm_sync_request)
1586                 /* if this protocol is requested, then resizing the
1587                    window will be synchronized between the frame and the
1588                    client */
1589                 self->sync_request = TRUE;
1590 #endif
1591         }
1592         g_free(proto);
1593     }
1594 }
1595
1596 #ifdef SYNC
1597 void client_update_sync_request_counter(ObClient *self)
1598 {
1599     guint32 i;
1600
1601     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1602         self->sync_counter = i;
1603     } else
1604         self->sync_counter = None;
1605 }
1606 #endif
1607
1608 static void client_get_colormap(ObClient *self)
1609 {
1610     XWindowAttributes wa;
1611
1612     if (XGetWindowAttributes(ob_display, self->window, &wa))
1613         client_update_colormap(self, wa.colormap);
1614 }
1615
1616 void client_update_colormap(ObClient *self, Colormap colormap)
1617 {
1618     if (colormap == self->colormap) return;
1619
1620     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1621
1622     if (client_focused(self)) {
1623         screen_install_colormap(self, FALSE); /* uninstall old one */
1624         self->colormap = colormap;
1625         screen_install_colormap(self, TRUE); /* install new one */
1626     } else
1627         self->colormap = colormap;
1628 }
1629
1630 void client_update_normal_hints(ObClient *self)
1631 {
1632     XSizeHints size;
1633     glong ret;
1634
1635     /* defaults */
1636     self->min_ratio = 0.0f;
1637     self->max_ratio = 0.0f;
1638     SIZE_SET(self->size_inc, 1, 1);
1639     SIZE_SET(self->base_size, -1, -1);
1640     SIZE_SET(self->min_size, 0, 0);
1641     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1642
1643     /* get the hints from the window */
1644     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1645         /* normal windows can't request placement! har har
1646         if (!client_normal(self))
1647         */
1648         self->positioned = (size.flags & (PPosition|USPosition));
1649         self->sized = (size.flags & (PSize|USSize));
1650
1651         if (size.flags & PWinGravity)
1652             self->gravity = size.win_gravity;
1653
1654         if (size.flags & PAspect) {
1655             if (size.min_aspect.y)
1656                 self->min_ratio =
1657                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1658             if (size.max_aspect.y)
1659                 self->max_ratio =
1660                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1661         }
1662
1663         if (size.flags & PMinSize)
1664             SIZE_SET(self->min_size, size.min_width, size.min_height);
1665
1666         if (size.flags & PMaxSize)
1667             SIZE_SET(self->max_size, size.max_width, size.max_height);
1668
1669         if (size.flags & PBaseSize)
1670             SIZE_SET(self->base_size, size.base_width, size.base_height);
1671
1672         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1673             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1674
1675         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1676                  "size inc (%d %d) base size (%d %d)\n",
1677                  self->min_size.width, self->min_size.height,
1678                  self->max_size.width, self->max_size.height,
1679                  self->size_inc.width, self->size_inc.height,
1680                  self->base_size.width, self->base_size.height);
1681     }
1682     else
1683         ob_debug("Normal hints: not set\n");
1684 }
1685
1686 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1687 {
1688     /* start with everything (cept fullscreen) */
1689     self->decorations =
1690         (OB_FRAME_DECOR_TITLEBAR |
1691          OB_FRAME_DECOR_HANDLE |
1692          OB_FRAME_DECOR_GRIPS |
1693          OB_FRAME_DECOR_BORDER |
1694          OB_FRAME_DECOR_ICON |
1695          OB_FRAME_DECOR_ALLDESKTOPS |
1696          OB_FRAME_DECOR_ICONIFY |
1697          OB_FRAME_DECOR_MAXIMIZE |
1698          OB_FRAME_DECOR_SHADE |
1699          OB_FRAME_DECOR_CLOSE);
1700     self->functions =
1701         (OB_CLIENT_FUNC_RESIZE |
1702          OB_CLIENT_FUNC_MOVE |
1703          OB_CLIENT_FUNC_ICONIFY |
1704          OB_CLIENT_FUNC_MAXIMIZE |
1705          OB_CLIENT_FUNC_SHADE |
1706          OB_CLIENT_FUNC_CLOSE |
1707          OB_CLIENT_FUNC_BELOW |
1708          OB_CLIENT_FUNC_ABOVE |
1709          OB_CLIENT_FUNC_UNDECORATE);
1710
1711     if (!(self->min_size.width < self->max_size.width ||
1712           self->min_size.height < self->max_size.height))
1713         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1714
1715     switch (self->type) {
1716     case OB_CLIENT_TYPE_NORMAL:
1717         /* normal windows retain all of the possible decorations and
1718            functionality, and can be fullscreen */
1719         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1720         break;
1721
1722     case OB_CLIENT_TYPE_DIALOG:
1723         /* sometimes apps make dialog windows fullscreen for some reason (for
1724            e.g. kpdf does this..) */
1725         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1726         break;
1727
1728     case OB_CLIENT_TYPE_UTILITY:
1729         /* these windows don't have anything added or removed by default */
1730         break;
1731
1732     case OB_CLIENT_TYPE_MENU:
1733     case OB_CLIENT_TYPE_TOOLBAR:
1734         /* these windows can't iconify or maximize */
1735         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1736                                OB_FRAME_DECOR_MAXIMIZE);
1737         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1738                              OB_CLIENT_FUNC_MAXIMIZE);
1739         break;
1740
1741     case OB_CLIENT_TYPE_SPLASH:
1742         /* these don't get get any decorations, and the only thing you can
1743            do with them is move them */
1744         self->decorations = 0;
1745         self->functions = OB_CLIENT_FUNC_MOVE;
1746         break;
1747
1748     case OB_CLIENT_TYPE_DESKTOP:
1749         /* these windows are not manipulated by the window manager */
1750         self->decorations = 0;
1751         self->functions = 0;
1752         break;
1753
1754     case OB_CLIENT_TYPE_DOCK:
1755         /* these windows are not manipulated by the window manager, but they
1756            can set below layer which has a special meaning */
1757         self->decorations = 0;
1758         self->functions = OB_CLIENT_FUNC_BELOW;
1759         break;
1760     }
1761
1762     /* Mwm Hints are applied subtractively to what has already been chosen for
1763        decor and functionality */
1764     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1765         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1766             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1767                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1768             {
1769                 /* if the mwm hints request no handle or title, then all
1770                    decorations are disabled, but keep the border if that's
1771                    specified */
1772                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1773                     self->decorations = OB_FRAME_DECOR_BORDER;
1774                 else
1775                     self->decorations = 0;
1776             }
1777         }
1778     }
1779
1780     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1781         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1782             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1783                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1784             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1785                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1786             /* dont let mwm hints kill any buttons
1787                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1788                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1789                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1790                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1791             */
1792             /* dont let mwm hints kill the close button
1793                if (! (self->mwmhints.functions & MwmFunc_Close))
1794                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1795         }
1796     }
1797
1798     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1799         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1800     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1801         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1802     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1803         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1804
1805     /* can't maximize without moving/resizing */
1806     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1807           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1808           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1809         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1810         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1811     }
1812
1813     if (self->max_horz && self->max_vert) {
1814         /* you can't resize fully maximized windows */
1815         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1816         /* kill the handle on fully maxed windows */
1817         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1818     }
1819
1820     /* If there are no decorations to remove, don't allow the user to try
1821        toggle the state */
1822     if (self->decorations == 0)
1823         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1824
1825     /* finally, the user can have requested no decorations, which overrides
1826        everything (but doesnt give it a border if it doesnt have one) */
1827     if (self->undecorated)
1828         self->decorations &= (config_theme_keepborder ?
1829                               OB_FRAME_DECOR_BORDER : 0);
1830
1831     /* if we don't have a titlebar, then we cannot shade! */
1832     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1833         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1834
1835     /* now we need to check against rules for the client's current state */
1836     if (self->fullscreen) {
1837         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1838                             OB_CLIENT_FUNC_FULLSCREEN |
1839                             OB_CLIENT_FUNC_ICONIFY);
1840         self->decorations = 0;
1841     }
1842
1843     client_change_allowed_actions(self);
1844
1845     if (reconfig)
1846         /* force reconfigure to make sure decorations are updated */
1847         client_reconfigure(self, TRUE);
1848 }
1849
1850 static void client_change_allowed_actions(ObClient *self)
1851 {
1852     gulong actions[12];
1853     gint num = 0;
1854
1855     /* desktop windows are kept on all desktops */
1856     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1857         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1858
1859     if (self->functions & OB_CLIENT_FUNC_SHADE)
1860         actions[num++] = prop_atoms.net_wm_action_shade;
1861     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1862         actions[num++] = prop_atoms.net_wm_action_close;
1863     if (self->functions & OB_CLIENT_FUNC_MOVE)
1864         actions[num++] = prop_atoms.net_wm_action_move;
1865     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1866         actions[num++] = prop_atoms.net_wm_action_minimize;
1867     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1868         actions[num++] = prop_atoms.net_wm_action_resize;
1869     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1870         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1871     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1872         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1873         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1874     }
1875     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1876         actions[num++] = prop_atoms.net_wm_action_above;
1877     if (self->functions & OB_CLIENT_FUNC_BELOW)
1878         actions[num++] = prop_atoms.net_wm_action_below;
1879     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1880         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1881
1882     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1883
1884    /* make sure the window isn't breaking any rules now
1885
1886    don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1887    it can't be iconified with its parent
1888    */
1889
1890     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1891         if (self->frame) client_shade(self, FALSE);
1892         else self->shaded = FALSE;
1893     }
1894     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1895         if (self->frame) client_fullscreen(self, FALSE);
1896         else self->fullscreen = FALSE;
1897     }
1898     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1899                                                          self->max_vert)) {
1900         if (self->frame) client_maximize(self, FALSE, 0);
1901         else self->max_vert = self->max_horz = FALSE;
1902     }
1903 }
1904
1905 void client_update_wmhints(ObClient *self)
1906 {
1907     XWMHints *hints;
1908
1909     /* assume a window takes input if it doesn't specify */
1910     self->can_focus = TRUE;
1911
1912     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1913         gboolean ur;
1914
1915         if (hints->flags & InputHint)
1916             self->can_focus = hints->input;
1917
1918         /* only do this when first managing the window *AND* when we aren't
1919            starting up! */
1920         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1921             if (hints->flags & StateHint)
1922                 self->iconic = hints->initial_state == IconicState;
1923
1924         ur = self->urgent;
1925         self->urgent = (hints->flags & XUrgencyHint);
1926         if (self->urgent && !ur)
1927             client_hilite(self, TRUE);
1928         else if (!self->urgent && ur && self->demands_attention)
1929             client_hilite(self, FALSE);
1930
1931         if (!(hints->flags & WindowGroupHint))
1932             hints->window_group = None;
1933
1934         /* did the group state change? */
1935         if (hints->window_group !=
1936             (self->group ? self->group->leader : None))
1937         {
1938             ObGroup *oldgroup = self->group;
1939
1940             /* remove from the old group if there was one */
1941             if (self->group) {
1942                 group_remove(self->group, self);
1943                 self->group = NULL;
1944             }
1945
1946             /* add ourself to the group if we have one */
1947             if (hints->window_group != None) {
1948                 self->group = group_add(hints->window_group, self);
1949             }
1950
1951             /* Put ourselves into the new group's transient tree, and remove
1952                ourselves from the old group's */
1953             client_update_transient_tree(self, oldgroup, self->group,
1954                                          self->transient_for_group,
1955                                          self->transient_for_group,
1956                                          client_direct_parent(self),
1957                                          client_direct_parent(self));
1958
1959             /* Lastly, being in a group, or not, can change if the window is
1960                transient for anything.
1961
1962                The logic for this is:
1963                self->transient = TRUE always if the window wants to be
1964                transient for something, even if transient_for was NULL because
1965                it wasn't in a group before.
1966
1967                If parents was NULL and oldgroup was NULL we can assume
1968                that when we add the new group, it will become transient for
1969                something.
1970
1971                If transient_for_group is TRUE, then it must have already
1972                had a group. If it is getting a new group, the above call to
1973                client_update_transient_tree has already taken care of
1974                everything ! If it is losing all group status then it will
1975                no longer be transient for anything and that needs to be
1976                updated.
1977             */
1978             if (self->transient &&
1979                 ((self->parents == NULL && oldgroup == NULL) ||
1980                  (self->transient_for_group && !self->group)))
1981                 client_update_transient_for(self);
1982         }
1983
1984         /* the WM_HINTS can contain an icon */
1985         if (hints->flags & IconPixmapHint)
1986             client_update_icons(self);
1987
1988         XFree(hints);
1989     }
1990 }
1991
1992 void client_update_title(ObClient *self)
1993 {
1994     gchar *data = NULL;
1995     gchar *visible = NULL;
1996
1997     g_free(self->title);
1998     g_free(self->original_title);
1999
2000     /* try netwm */
2001     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
2002         /* try old x stuff */
2003         if (!(PROP_GETS(self->window, wm_name, locale, &data)
2004               || PROP_GETS(self->window, wm_name, utf8, &data))) {
2005             if (self->transient) {
2006     /*
2007     GNOME alert windows are not given titles:
2008     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
2009     */
2010                 data = g_strdup("");
2011             } else
2012                 data = g_strdup(_("Unnamed Window"));
2013         }
2014     }
2015     self->original_title = g_strdup(data);
2016
2017     if (self->client_machine) {
2018         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2019         g_free(data);
2020     } else
2021         visible = data;
2022
2023     if (self->not_responding) {
2024         data = visible;
2025         if (self->kill_level > 0)
2026             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2027         else
2028             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2029         g_free(data);
2030     }
2031
2032     PROP_SETS(self->window, net_wm_visible_name, visible);
2033     self->title = visible;
2034
2035     if (self->frame)
2036         frame_adjust_title(self->frame);
2037
2038     /* update the icon title */
2039     data = NULL;
2040     g_free(self->icon_title);
2041
2042     /* try netwm */
2043     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
2044         /* try old x stuff */
2045         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
2046               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
2047             data = g_strdup(self->title);
2048
2049     if (self->client_machine) {
2050         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2051         g_free(data);
2052     } else
2053         visible = data;
2054
2055     if (self->not_responding) {
2056         data = visible;
2057         if (self->kill_level > 0)
2058             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2059         else
2060             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2061         g_free(data);
2062     }
2063
2064     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
2065     self->icon_title = visible;
2066 }
2067
2068 void client_update_strut(ObClient *self)
2069 {
2070     guint num;
2071     guint32 *data;
2072     gboolean got = FALSE;
2073     StrutPartial strut;
2074
2075     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
2076                     &data, &num)) {
2077         if (num == 12) {
2078             got = TRUE;
2079             STRUT_PARTIAL_SET(strut,
2080                               data[0], data[2], data[1], data[3],
2081                               data[4], data[5], data[8], data[9],
2082                               data[6], data[7], data[10], data[11]);
2083         }
2084         g_free(data);
2085     }
2086
2087     if (!got &&
2088         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
2089         if (num == 4) {
2090             Rect *a;
2091
2092             got = TRUE;
2093
2094             /* use the screen's width/height */
2095             a = screen_physical_area_all_monitors();
2096
2097             STRUT_PARTIAL_SET(strut,
2098                               data[0], data[2], data[1], data[3],
2099                               a->y, a->y + a->height - 1,
2100                               a->x, a->x + a->width - 1,
2101                               a->y, a->y + a->height - 1,
2102                               a->x, a->x + a->width - 1);
2103             g_free(a);
2104         }
2105         g_free(data);
2106     }
2107
2108     if (!got)
2109         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2110                           0, 0, 0, 0, 0, 0, 0, 0);
2111
2112     if (!STRUT_EQUAL(strut, self->strut)) {
2113         self->strut = strut;
2114
2115         /* updating here is pointless while we're being mapped cuz we're not in
2116            the client list yet */
2117         if (self->frame)
2118             screen_update_areas();
2119     }
2120 }
2121
2122 void client_update_icons(ObClient *self)
2123 {
2124     guint num;
2125     guint32 *data;
2126     guint w, h, i, j;
2127     guint num_seen;  /* number of icons present */
2128     RrImage *img;
2129
2130     img = NULL;
2131
2132     /* grab the server, because we might be setting the window's icon and
2133        we don't want them to set it in between and we overwrite their own
2134        icon */
2135     grab_server(TRUE);
2136
2137     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2138         /* figure out how many valid icons are in here */
2139         i = 0;
2140         num_seen = 0;
2141         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2142             w = data[i++];
2143             h = data[i++];
2144             /* watch for the data being too small for the specified size,
2145                or for zero sized icons. */
2146             if (i + w*h > num || w == 0 || h == 0) break;
2147
2148             /* convert it to the right bit order for ObRender */
2149             for (j = 0; j < w*h; ++j)
2150                 data[i+j] =
2151                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2152                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2153                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2154                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2155
2156             /* is it in the cache? */
2157             img = RrImageCacheFind(ob_rr_icons, &data[i], w, h);
2158             if (img) RrImageRef(img); /* own it */
2159
2160             i += w*h;
2161             ++num_seen;
2162
2163             /* don't bother looping anymore if we already found it in the cache
2164                since we'll just use that! */
2165             if (img) break;
2166         }
2167
2168         /* if it's not in the cache yet, then add it to the cache now.
2169            we have already converted it to the correct bit order above */
2170         if (!img && num_seen > 0) {
2171             img = RrImageNew(ob_rr_icons);
2172             i = 0;
2173             for (j = 0; j < num_seen; ++j) {
2174                 w = data[i++];
2175                 h = data[i++];
2176                 RrImageAddPicture(img, &data[i], w, h);
2177                 i += w*h;
2178             }
2179         }
2180
2181         g_free(data);
2182     }
2183
2184     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2185        legacy X hints */
2186     if (!img) {
2187         XWMHints *hints;
2188
2189         if ((hints = XGetWMHints(ob_display, self->window))) {
2190             if (hints->flags & IconPixmapHint) {
2191                 gboolean xicon;
2192                 xerror_set_ignore(TRUE);
2193                 xicon = RrPixmapToRGBA(ob_rr_inst,
2194                                        hints->icon_pixmap,
2195                                        (hints->flags & IconMaskHint ?
2196                                         hints->icon_mask : None),
2197                                        (gint*)&w, (gint*)&h, &data);
2198                 xerror_set_ignore(FALSE);
2199
2200                 if (xicon) {
2201                     if (w > 0 && h > 0) {
2202                         /* is this icon in the cache yet? */
2203                         img = RrImageCacheFind(ob_rr_icons, data, w, h);
2204                         if (img) RrImageRef(img); /* own it */
2205
2206                         /* if not, then add it */
2207                         if (!img) {
2208                             img = RrImageNew(ob_rr_icons);
2209                             RrImageAddPicture(img, data, w, h);
2210                         }
2211                     }
2212
2213                     g_free(data);
2214                 }
2215             }
2216             XFree(hints);
2217         }
2218     }
2219
2220     /* set the client's icons to be whatever we found */
2221     RrImageUnref(self->icon_set);
2222     self->icon_set = img;
2223
2224     /* if the client has no icon at all, then we set a default icon onto it.
2225        but, if it has parents, then one of them will have an icon already
2226     */
2227     if (!self->icon_set && !self->parents) {
2228         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2229         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2230
2231         w = ob_rr_theme->def_win_icon_w;
2232         h = ob_rr_theme->def_win_icon_h;
2233         ldata = g_new(gulong, w*h+2);
2234         ldata[0] = w;
2235         ldata[1] = h;
2236         for (i = 0; i < w*h; ++i)
2237             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2238                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2239                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2240                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2241         PROP_SETA32(self->window, net_wm_icon, cardinal, ldata, w*h+2);
2242         g_free(ldata);
2243     } else if (self->frame)
2244         /* don't draw the icon empty if we're just setting one now anyways,
2245            we'll get the property change any second */
2246         frame_adjust_icon(self->frame);
2247
2248     grab_server(FALSE);
2249 }
2250
2251 void client_update_icon_geometry(ObClient *self)
2252 {
2253     guint num;
2254     guint32 *data;
2255
2256     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2257
2258     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num))
2259     {
2260         if (num == 4)
2261             /* don't let them set it with an area < 0 */
2262             RECT_SET(self->icon_geometry, data[0], data[1],
2263                      MAX(data[2],0), MAX(data[3],0));
2264         g_free(data);
2265     }
2266 }
2267
2268 static void client_get_session_ids(ObClient *self)
2269 {
2270     guint32 leader;
2271     gboolean got;
2272     gchar *s;
2273     gchar **ss;
2274
2275     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2276         leader = None;
2277
2278     /* get the SM_CLIENT_ID */
2279     got = FALSE;
2280     if (leader)
2281         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2282     if (!got)
2283         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2284
2285     /* get the WM_CLASS (name and class). make them "" if they are not
2286        provided */
2287     got = FALSE;
2288     if (leader)
2289         got = PROP_GETSS(leader, wm_class, locale, &ss);
2290     if (!got)
2291         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2292
2293     if (got) {
2294         if (ss[0]) {
2295             self->name = g_strdup(ss[0]);
2296             if (ss[1])
2297                 self->class = g_strdup(ss[1]);
2298         }
2299         g_strfreev(ss);
2300     }
2301
2302     if (self->name == NULL) self->name = g_strdup("");
2303     if (self->class == NULL) self->class = g_strdup("");
2304
2305     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2306     got = FALSE;
2307     if (leader)
2308         got = PROP_GETS(leader, wm_window_role, locale, &s);
2309     if (!got)
2310         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2311
2312     if (got)
2313         self->role = s;
2314     else
2315         self->role = g_strdup("");
2316
2317     /* get the WM_COMMAND */
2318     got = FALSE;
2319
2320     if (leader)
2321         got = PROP_GETSS(leader, wm_command, locale, &ss);
2322     if (!got)
2323         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2324
2325     if (got) {
2326         /* merge/mash them all together */
2327         gchar *merge = NULL;
2328         gint i;
2329
2330         for (i = 0; ss[i]; ++i) {
2331             gchar *tmp = merge;
2332             if (merge)
2333                 merge = g_strconcat(merge, ss[i], NULL);
2334             else
2335                 merge = g_strconcat(ss[i], NULL);
2336             g_free(tmp);
2337         }
2338         g_strfreev(ss);
2339
2340         self->wm_command = merge;
2341     }
2342
2343     /* get the WM_CLIENT_MACHINE */
2344     got = FALSE;
2345     if (leader)
2346         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2347     if (!got)
2348         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2349
2350     if (got) {
2351         gchar localhost[128];
2352         guint32 pid;
2353
2354         gethostname(localhost, 127);
2355         localhost[127] = '\0';
2356         if (strcmp(localhost, s) != 0)
2357             self->client_machine = s;
2358         else
2359             g_free(s);
2360
2361         /* see if it has the PID set too (the PID requires that the
2362            WM_CLIENT_MACHINE be set) */
2363         if (PROP_GET32(self->window, net_wm_pid, cardinal, &pid))
2364             self->pid = pid;
2365     }
2366 }
2367
2368 static void client_change_wm_state(ObClient *self)
2369 {
2370     gulong state[2];
2371     glong old;
2372
2373     old = self->wmstate;
2374
2375     if (self->shaded || self->iconic ||
2376         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2377     {
2378         self->wmstate = IconicState;
2379     } else
2380         self->wmstate = NormalState;
2381
2382     if (old != self->wmstate) {
2383         PROP_MSG(self->window, kde_wm_change_state,
2384                  self->wmstate, 1, 0, 0);
2385
2386         state[0] = self->wmstate;
2387         state[1] = None;
2388         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2389     }
2390 }
2391
2392 static void client_change_state(ObClient *self)
2393 {
2394     gulong netstate[12];
2395     guint num;
2396
2397     num = 0;
2398     if (self->modal)
2399         netstate[num++] = prop_atoms.net_wm_state_modal;
2400     if (self->shaded)
2401         netstate[num++] = prop_atoms.net_wm_state_shaded;
2402     if (self->iconic)
2403         netstate[num++] = prop_atoms.net_wm_state_hidden;
2404     if (self->skip_taskbar)
2405         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2406     if (self->skip_pager)
2407         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2408     if (self->fullscreen)
2409         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2410     if (self->max_vert)
2411         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2412     if (self->max_horz)
2413         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2414     if (self->above)
2415         netstate[num++] = prop_atoms.net_wm_state_above;
2416     if (self->below)
2417         netstate[num++] = prop_atoms.net_wm_state_below;
2418     if (self->demands_attention)
2419         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2420     if (self->undecorated)
2421         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2422     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2423
2424     if (self->frame)
2425         frame_adjust_state(self->frame);
2426 }
2427
2428 ObClient *client_search_focus_tree(ObClient *self)
2429 {
2430     GSList *it;
2431     ObClient *ret;
2432
2433     for (it = self->transients; it; it = g_slist_next(it)) {
2434         if (client_focused(it->data)) return it->data;
2435         if ((ret = client_search_focus_tree(it->data))) return ret;
2436     }
2437     return NULL;
2438 }
2439
2440 ObClient *client_search_focus_tree_full(ObClient *self)
2441 {
2442     if (self->parents) {
2443         GSList *it;
2444
2445         for (it = self->parents; it; it = g_slist_next(it)) {
2446             ObClient *c = it->data;
2447             if ((c = client_search_focus_tree_full(it->data))) return c;
2448         }
2449
2450         return NULL;
2451     }
2452     else {
2453         /* this function checks the whole tree, the client_search_focus_tree
2454            does not, so we need to check this window */
2455         if (client_focused(self))
2456             return self;
2457         return client_search_focus_tree(self);
2458     }
2459 }
2460
2461 ObClient *client_search_focus_group_full(ObClient *self)
2462 {
2463     GSList *it;
2464
2465     if (self->group) {
2466         for (it = self->group->members; it; it = g_slist_next(it)) {
2467             ObClient *c = it->data;
2468
2469             if (client_focused(c)) return c;
2470             if ((c = client_search_focus_tree(it->data))) return c;
2471         }
2472     } else
2473         if (client_focused(self)) return self;
2474     return NULL;
2475 }
2476
2477 gboolean client_has_parent(ObClient *self)
2478 {
2479     return self->parents != NULL;
2480 }
2481
2482 static ObStackingLayer calc_layer(ObClient *self)
2483 {
2484     ObStackingLayer l;
2485     Rect *monitor;
2486
2487     monitor = screen_physical_area_monitor(client_monitor(self));
2488
2489     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2490         l = OB_STACKING_LAYER_DESKTOP;
2491     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2492         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2493         else l = OB_STACKING_LAYER_ABOVE;
2494     }
2495     else if ((self->fullscreen ||
2496               /* No decorations and fills the monitor = oldskool fullscreen.
2497                  But not for maximized windows.
2498               */
2499               (self->decorations == 0 &&
2500                !(self->max_horz && self->max_vert) &&
2501                RECT_EQUAL(self->area, *monitor))) &&
2502              /* you are fullscreen while you or your children are focused.. */
2503              (client_focused(self) || client_search_focus_tree(self) ||
2504               /* you can be fullscreen if you're on another desktop */
2505               (self->desktop != screen_desktop &&
2506                self->desktop != DESKTOP_ALL) ||
2507               /* and you can also be fullscreen if the focused client is on
2508                  another monitor, or nothing else is focused */
2509               (!focus_client ||
2510                client_monitor(focus_client) != client_monitor(self))))
2511         l = OB_STACKING_LAYER_FULLSCREEN;
2512     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2513     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2514     else l = OB_STACKING_LAYER_NORMAL;
2515
2516     g_free(monitor);
2517
2518     return l;
2519 }
2520
2521 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2522                                         ObStackingLayer min)
2523 {
2524     ObStackingLayer old, own;
2525     GSList *it;
2526
2527     old = self->layer;
2528     own = calc_layer(self);
2529     self->layer = MAX(own, min);
2530
2531     if (self->layer != old) {
2532         stacking_remove(CLIENT_AS_WINDOW(self));
2533         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2534     }
2535
2536     /* we've been restacked */
2537     self->visited = TRUE;
2538
2539     for (it = self->transients; it; it = g_slist_next(it))
2540         client_calc_layer_recursive(it->data, orig,
2541                                     self->layer);
2542 }
2543
2544 static void client_calc_layer_internal(ObClient *self)
2545 {
2546     GSList *sit;
2547
2548     /* transients take on the layer of their parents */
2549     sit = client_search_all_top_parents(self);
2550
2551     for (; sit; sit = g_slist_next(sit))
2552         client_calc_layer_recursive(sit->data, self, 0);
2553 }
2554
2555 void client_calc_layer(ObClient *self)
2556 {
2557     GList *it;
2558
2559     /* skip over stuff above fullscreen layer */
2560     for (it = stacking_list; it; it = g_list_next(it))
2561         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2562
2563     /* find the windows in the fullscreen layer, and mark them not-visited */
2564     for (; it; it = g_list_next(it)) {
2565         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2566         else if (WINDOW_IS_CLIENT(it->data))
2567             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2568     }
2569
2570     client_calc_layer_internal(self);
2571
2572     /* skip over stuff above fullscreen layer */
2573     for (it = stacking_list; it; it = g_list_next(it))
2574         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2575
2576     /* now recalc any windows in the fullscreen layer which have not
2577        had their layer recalced already */
2578     for (; it; it = g_list_next(it)) {
2579         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2580         else if (WINDOW_IS_CLIENT(it->data) &&
2581                  !WINDOW_AS_CLIENT(it->data)->visited)
2582             client_calc_layer_internal(it->data);
2583     }
2584 }
2585
2586 gboolean client_should_show(ObClient *self)
2587 {
2588     if (self->iconic)
2589         return FALSE;
2590     if (client_normal(self) && screen_showing_desktop)
2591         return FALSE;
2592     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2593         return TRUE;
2594
2595     return FALSE;
2596 }
2597
2598 gboolean client_show(ObClient *self)
2599 {
2600     gboolean show = FALSE;
2601
2602     if (client_should_show(self)) {
2603         /* replay pending pointer event before showing the window, in case it
2604            should be going to something under the window */
2605         mouse_replay_pointer();
2606
2607         frame_show(self->frame);
2608         show = TRUE;
2609
2610         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2611            it needs to be in IconicState. This includes when it is on another
2612            desktop!
2613         */
2614         client_change_wm_state(self);
2615     }
2616     return show;
2617 }
2618
2619 gboolean client_hide(ObClient *self)
2620 {
2621     gboolean hide = FALSE;
2622
2623     if (!client_should_show(self)) {
2624         if (self == focus_client) {
2625             event_cancel_all_key_grabs();
2626         }
2627
2628         /* We don't need to ignore enter events here.
2629            The window can hide/iconify in 3 different ways:
2630            1 - through an x message. in this case we ignore all enter events
2631                caused by responding to the x message (unless underMouse)
2632            2 - by a keyboard action. in this case we ignore all enter events
2633                caused by the action
2634            3 - by a mouse action. in this case they are doing stuff with the
2635                mouse and focus _should_ move.
2636
2637            Also in action_end, we simulate an enter event that can't be ignored
2638            so trying to ignore them is futile in case 3 anyways
2639         */
2640
2641         /* replay pending pointer event before hiding the window, in case it
2642            should be going to the window */
2643         mouse_replay_pointer();
2644
2645         frame_hide(self->frame);
2646         hide = TRUE;
2647
2648         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2649            it needs to be in IconicState. This includes when it is on another
2650            desktop!
2651         */
2652         client_change_wm_state(self);
2653     }
2654     return hide;
2655 }
2656
2657 void client_showhide(ObClient *self)
2658 {
2659     if (!client_show(self))
2660         client_hide(self);
2661 }
2662
2663 gboolean client_normal(ObClient *self) {
2664     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2665               self->type == OB_CLIENT_TYPE_DOCK ||
2666               self->type == OB_CLIENT_TYPE_SPLASH);
2667 }
2668
2669 gboolean client_helper(ObClient *self)
2670 {
2671     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2672             self->type == OB_CLIENT_TYPE_MENU ||
2673             self->type == OB_CLIENT_TYPE_TOOLBAR);
2674 }
2675
2676 gboolean client_mouse_focusable(ObClient *self)
2677 {
2678     return !(self->type == OB_CLIENT_TYPE_MENU ||
2679              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2680              self->type == OB_CLIENT_TYPE_SPLASH ||
2681              self->type == OB_CLIENT_TYPE_DOCK);
2682 }
2683
2684 gboolean client_enter_focusable(ObClient *self)
2685 {
2686     /* you can focus desktops but it shouldn't on enter */
2687     return (client_mouse_focusable(self) &&
2688             self->type != OB_CLIENT_TYPE_DESKTOP);
2689 }
2690
2691 static void client_apply_startup_state(ObClient *self,
2692                                        gint x, gint y, gint w, gint h)
2693 {
2694     /* save the states that we are going to apply */
2695     gboolean iconic = self->iconic;
2696     gboolean fullscreen = self->fullscreen;
2697     gboolean undecorated = self->undecorated;
2698     gboolean shaded = self->shaded;
2699     gboolean demands_attention = self->demands_attention;
2700     gboolean max_horz = self->max_horz;
2701     gboolean max_vert = self->max_vert;
2702     Rect oldarea;
2703     gint l;
2704
2705     /* turn them all off in the client, so they won't affect the window
2706        being placed */
2707     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2708         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2709
2710     /* move the client to its placed position, or it it's already there,
2711        generate a ConfigureNotify telling the client where it is.
2712
2713        do this after adjusting the frame. otherwise it gets all weird and
2714        clients don't work right
2715
2716        do this before applying the states so they have the correct
2717        pre-max/pre-fullscreen values
2718     */
2719     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2720     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2721              self->window, x, y, w, h);
2722     /* save the area, and make it where it should be for the premax stuff */
2723     oldarea = self->area;
2724     RECT_SET(self->area, x, y, w, h);
2725
2726     /* apply the states. these are in a carefully crafted order.. */
2727
2728     if (iconic)
2729         client_iconify(self, TRUE, FALSE, TRUE);
2730     if (fullscreen)
2731         client_fullscreen(self, TRUE);
2732     if (undecorated)
2733         client_set_undecorated(self, TRUE);
2734     if (shaded)
2735         client_shade(self, TRUE);
2736     if (demands_attention)
2737         client_hilite(self, TRUE);
2738
2739     if (max_vert && max_horz)
2740         client_maximize(self, TRUE, 0);
2741     else if (max_vert)
2742         client_maximize(self, TRUE, 2);
2743     else if (max_horz)
2744         client_maximize(self, TRUE, 1);
2745
2746     /* if the window hasn't been configured yet, then do so now, in fact the
2747        x,y,w,h may _not_ be the same as the area rect, which can end up
2748        meaning that the client isn't properly moved/resized by the fullscreen
2749        function
2750        pho can cause this because it maps at size of the screen but not 0,0
2751        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2752        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2753        cuz thats where the pre-fullscreen will be. however the actual area is
2754        not, so this needs to be called even if we have fullscreened/maxed
2755     */
2756     self->area = oldarea;
2757     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2758
2759     /* set the desktop hint, to make sure that it always exists */
2760     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2761
2762     /* nothing to do for the other states:
2763        skip_taskbar
2764        skip_pager
2765        modal
2766        above
2767        below
2768     */
2769 }
2770
2771 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2772 {
2773     /* these should be the current values. this is for when you're not moving,
2774        just resizing */
2775     g_assert(*x == self->area.x);
2776     g_assert(oldw == self->area.width);
2777
2778     /* horizontal */
2779     switch (self->gravity) {
2780     default:
2781     case NorthWestGravity:
2782     case WestGravity:
2783     case SouthWestGravity:
2784     case StaticGravity:
2785     case ForgetGravity:
2786         break;
2787     case NorthGravity:
2788     case CenterGravity:
2789     case SouthGravity:
2790         *x -= (neww - oldw) / 2;
2791         break;
2792     case NorthEastGravity:
2793     case EastGravity:
2794     case SouthEastGravity:
2795         *x -= neww - oldw;
2796         break;
2797     }
2798 }
2799
2800 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2801 {
2802     /* these should be the current values. this is for when you're not moving,
2803        just resizing */
2804     g_assert(*y == self->area.y);
2805     g_assert(oldh == self->area.height);
2806
2807     /* vertical */
2808     switch (self->gravity) {
2809     default:
2810     case NorthWestGravity:
2811     case NorthGravity:
2812     case NorthEastGravity:
2813     case StaticGravity:
2814     case ForgetGravity:
2815         break;
2816     case WestGravity:
2817     case CenterGravity:
2818     case EastGravity:
2819         *y -= (newh - oldh) / 2;
2820         break;
2821     case SouthWestGravity:
2822     case SouthGravity:
2823     case SouthEastGravity:
2824         *y -= newh - oldh;
2825         break;
2826     }
2827 }
2828
2829 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2830                           gint *logicalw, gint *logicalh,
2831                           gboolean user)
2832 {
2833     Rect desired = {*x, *y, *w, *h};
2834     frame_rect_to_frame(self->frame, &desired);
2835
2836     /* make the frame recalculate its dimensions n shit without changing
2837        anything visible for real, this way the constraints below can work with
2838        the updated frame dimensions. */
2839     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2840
2841     /* gets the frame's position */
2842     frame_client_gravity(self->frame, x, y);
2843
2844     /* these positions are frame positions, not client positions */
2845
2846     /* set the size and position if fullscreen */
2847     if (self->fullscreen) {
2848         Rect *a;
2849         guint i;
2850
2851         i = screen_find_monitor(&desired);
2852         a = screen_physical_area_monitor(i);
2853
2854         *x = a->x;
2855         *y = a->y;
2856         *w = a->width;
2857         *h = a->height;
2858
2859         user = FALSE; /* ignore if the client can't be moved/resized when it
2860                          is fullscreening */
2861
2862         g_free(a);
2863     } else if (self->max_horz || self->max_vert) {
2864         Rect *a;
2865         guint i;
2866
2867         /* use all possible struts when maximizing to the full screen */
2868         i = screen_find_monitor(&desired);
2869         a = screen_area(self->desktop, i,
2870                         (self->max_horz && self->max_vert ? NULL : &desired));
2871
2872         /* set the size and position if maximized */
2873         if (self->max_horz) {
2874             *x = a->x;
2875             *w = a->width - self->frame->size.left - self->frame->size.right;
2876         }
2877         if (self->max_vert) {
2878             *y = a->y;
2879             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2880         }
2881
2882         user = FALSE; /* ignore if the client can't be moved/resized when it
2883                          is maximizing */
2884
2885         g_free(a);
2886     }
2887
2888     /* gets the client's position */
2889     frame_frame_gravity(self->frame, x, y);
2890
2891     /* work within the preferred sizes given by the window, these may have
2892        changed rather than it's requested width and height, so always run
2893        through this code */
2894     {
2895         gint basew, baseh, minw, minh;
2896         gint incw, inch;
2897         gfloat minratio, maxratio;
2898
2899         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2900         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2901         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2902             0 : self->min_ratio;
2903         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2904             0 : self->max_ratio;
2905
2906         /* base size is substituted with min size if not specified */
2907         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
2908             basew = self->base_size.width;
2909             baseh = self->base_size.height;
2910         } else {
2911             basew = self->min_size.width;
2912             baseh = self->min_size.height;
2913         }
2914         /* min size is substituted with base size if not specified */
2915         if (self->min_size.width || self->min_size.height) {
2916             minw = self->min_size.width;
2917             minh = self->min_size.height;
2918         } else {
2919             minw = self->base_size.width;
2920             minh = self->base_size.height;
2921         }
2922
2923         /* This comment is no longer true */
2924         /* if this is a user-requested resize, then check against min/max
2925            sizes */
2926
2927         /* smaller than min size or bigger than max size? */
2928         if (*w > self->max_size.width) *w = self->max_size.width;
2929         if (*w < minw) *w = minw;
2930         if (*h > self->max_size.height) *h = self->max_size.height;
2931         if (*h < minh) *h = minh;
2932
2933         *w -= basew;
2934         *h -= baseh;
2935
2936         /* keep to the increments */
2937         *w /= incw;
2938         *h /= inch;
2939
2940         /* you cannot resize to nothing */
2941         if (basew + *w < 1) *w = 1 - basew;
2942         if (baseh + *h < 1) *h = 1 - baseh;
2943
2944         /* save the logical size */
2945         *logicalw = incw > 1 ? *w : *w + basew;
2946         *logicalh = inch > 1 ? *h : *h + baseh;
2947
2948         *w *= incw;
2949         *h *= inch;
2950
2951         *w += basew;
2952         *h += baseh;
2953
2954         /* adjust the height to match the width for the aspect ratios.
2955            for this, min size is not substituted for base size ever. */
2956         *w -= self->base_size.width;
2957         *h -= self->base_size.height;
2958
2959         if (minratio)
2960             if (*h * minratio > *w) {
2961                 *h = (gint)(*w / minratio);
2962
2963                 /* you cannot resize to nothing */
2964                 if (*h < 1) {
2965                     *h = 1;
2966                     *w = (gint)(*h * minratio);
2967                 }
2968             }
2969         if (maxratio)
2970             if (*h * maxratio < *w) {
2971                 *h = (gint)(*w / maxratio);
2972
2973                 /* you cannot resize to nothing */
2974                 if (*h < 1) {
2975                     *h = 1;
2976                     *w = (gint)(*h * minratio);
2977                 }
2978             }
2979
2980         *w += self->base_size.width;
2981         *h += self->base_size.height;
2982     }
2983
2984     /* these override the above states! if you cant move you can't move! */
2985     if (user) {
2986         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2987             *x = self->area.x;
2988             *y = self->area.y;
2989         }
2990         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2991             *w = self->area.width;
2992             *h = self->area.height;
2993         }
2994     }
2995
2996     g_assert(*w > 0);
2997     g_assert(*h > 0);
2998 }
2999
3000 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
3001                       gboolean user, gboolean final, gboolean force_reply)
3002 {
3003     Rect oldframe;
3004     gint oldw, oldh;
3005     gboolean send_resize_client;
3006     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
3007     gboolean fmoved, fresized;
3008     guint fdecor = self->frame->decorations;
3009     gboolean fhorz = self->frame->max_horz;
3010     gboolean fvert = self->frame->max_vert;
3011     gint logicalw, logicalh;
3012
3013     /* find the new x, y, width, and height (and logical size) */
3014     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
3015
3016     /* set the logical size if things changed */
3017     if (!(w == self->area.width && h == self->area.height))
3018         SIZE_SET(self->logical_size, logicalw, logicalh);
3019
3020     /* figure out if we moved or resized or what */
3021     moved = (x != self->area.x || y != self->area.y);
3022     resized = (w != self->area.width || h != self->area.height);
3023
3024     oldw = self->area.width;
3025     oldh = self->area.height;
3026     oldframe = self->frame->area;
3027     RECT_SET(self->area, x, y, w, h);
3028
3029     /* for app-requested resizes, always resize if 'resized' is true.
3030        for user-requested ones, only resize if final is true, or when
3031        resizing in redraw mode */
3032     send_resize_client = ((!user && resized) ||
3033                           (user && (final ||
3034                                     (resized && config_resize_redraw))));
3035
3036     /* if the client is enlarging, then resize the client before the frame */
3037     if (send_resize_client && (w > oldw || h > oldh)) {
3038         XMoveResizeWindow(ob_display, self->window,
3039                           self->frame->size.left, self->frame->size.top,
3040                           MAX(w, oldw), MAX(h, oldh));
3041         frame_adjust_client_area(self->frame);
3042     }
3043
3044     /* find the frame's dimensions and move/resize it */
3045     fmoved = moved;
3046     fresized = resized;
3047
3048     /* if decorations changed, then readjust everything for the frame */
3049     if (self->decorations != fdecor ||
3050         self->max_horz != fhorz || self->max_vert != fvert)
3051     {
3052         fmoved = fresized = TRUE;
3053     }
3054
3055     /* adjust the frame */
3056     if (fmoved || fresized) {
3057         gulong ignore_start;
3058         if (!user)
3059             ignore_start = event_start_ignore_all_enters();
3060
3061         /* replay pending pointer event before move the window, in case it
3062            would change what window gets the event */
3063         mouse_replay_pointer();
3064
3065         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
3066
3067         if (!user)
3068             event_end_ignore_all_enters(ignore_start);
3069     }
3070
3071     if (!user || final) {
3072         gint oldrx = self->root_pos.x;
3073         gint oldry = self->root_pos.y;
3074         /* we have reset the client to 0 border width, so don't include
3075            it in these coords */
3076         POINT_SET(self->root_pos,
3077                   self->frame->area.x + self->frame->size.left -
3078                   self->border_width,
3079                   self->frame->area.y + self->frame->size.top -
3080                   self->border_width);
3081         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3082             rootmoved = TRUE;
3083     }
3084
3085     /* This is kinda tricky and should not be changed.. let me explain!
3086
3087        When user = FALSE, then the request is coming from the application
3088        itself, and we are more strict about when to send a synthetic
3089        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3090        in this case (if force_reply is true)
3091
3092        When user = TRUE, then the request is coming from "us", like when we
3093        maximize a window or something.  In this case we are more lenient.  We
3094        used to follow the same rules as above, but _Java_ Swing can't handle
3095        this. So just to appease Swing, when user = TRUE, we always send
3096        a synthetic ConfigureNotify to give the window its root coordinates.
3097     */
3098     if ((!user && !resized && (rootmoved || force_reply)) ||
3099         (user && final && rootmoved))
3100     {
3101         XEvent event;
3102
3103         event.type = ConfigureNotify;
3104         event.xconfigure.display = ob_display;
3105         event.xconfigure.event = self->window;
3106         event.xconfigure.window = self->window;
3107
3108         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
3109                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3110
3111         /* root window real coords */
3112         event.xconfigure.x = self->root_pos.x;
3113         event.xconfigure.y = self->root_pos.y;
3114         event.xconfigure.width = w;
3115         event.xconfigure.height = h;
3116         event.xconfigure.border_width = self->border_width;
3117         event.xconfigure.above = None;
3118         event.xconfigure.override_redirect = FALSE;
3119         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3120                    FALSE, StructureNotifyMask, &event);
3121     }
3122
3123     /* if the client is shrinking, then resize the frame before the client.
3124
3125        both of these resize sections may run, because the top one only resizes
3126        in the direction that is growing
3127      */
3128     if (send_resize_client && (w <= oldw || h <= oldh)) {
3129         frame_adjust_client_area(self->frame);
3130         XMoveResizeWindow(ob_display, self->window,
3131                           self->frame->size.left, self->frame->size.top, w, h);
3132     }
3133
3134     XFlush(ob_display);
3135
3136     /* if it moved between monitors, then this can affect the stacking
3137        layer of this window or others - for fullscreen windows */
3138     if (screen_find_monitor(&self->frame->area) !=
3139         screen_find_monitor(&oldframe))
3140     {
3141         client_calc_layer(self);
3142     }
3143 }
3144
3145 void client_fullscreen(ObClient *self, gboolean fs)
3146 {
3147     gint x, y, w, h;
3148
3149     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3150         self->fullscreen == fs) return;                   /* already done */
3151
3152     self->fullscreen = fs;
3153     client_change_state(self); /* change the state hints on the client */
3154
3155     if (fs) {
3156         self->pre_fullscreen_area = self->area;
3157         /* if the window is maximized, its area isn't all that meaningful.
3158            save its premax area instead. */
3159         if (self->max_horz) {
3160             self->pre_fullscreen_area.x = self->pre_max_area.x;
3161             self->pre_fullscreen_area.width = self->pre_max_area.width;
3162         }
3163         if (self->max_vert) {
3164             self->pre_fullscreen_area.y = self->pre_max_area.y;
3165             self->pre_fullscreen_area.height = self->pre_max_area.height;
3166         }
3167
3168         /* these will help configure_full figure out where to fullscreen
3169            the window */
3170         x = self->area.x;
3171         y = self->area.y;
3172         w = self->area.width;
3173         h = self->area.height;
3174     } else {
3175         g_assert(self->pre_fullscreen_area.width > 0 &&
3176                  self->pre_fullscreen_area.height > 0);
3177
3178         x = self->pre_fullscreen_area.x;
3179         y = self->pre_fullscreen_area.y;
3180         w = self->pre_fullscreen_area.width;
3181         h = self->pre_fullscreen_area.height;
3182         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3183     }
3184
3185     ob_debug("Window %s going fullscreen (%d)\n",
3186              self->title, self->fullscreen);
3187
3188     client_setup_decor_and_functions(self, FALSE);
3189     client_move_resize(self, x, y, w, h);
3190
3191     /* and adjust our layer/stacking. do this after resizing the window,
3192        and applying decorations, because windows which fill the screen are
3193        considered "fullscreen" and it affects their layer */
3194     client_calc_layer(self);
3195
3196     if (fs) {
3197         /* try focus us when we go into fullscreen mode */
3198         client_focus(self);
3199     }
3200 }
3201
3202 static void client_iconify_recursive(ObClient *self,
3203                                      gboolean iconic, gboolean curdesk,
3204                                      gboolean hide_animation)
3205 {
3206     GSList *it;
3207     gboolean changed = FALSE;
3208
3209     if (self->iconic != iconic) {
3210         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3211                  self->window);
3212
3213         if (iconic) {
3214             /* don't let non-normal windows iconify along with their parents
3215                or whatever */
3216             if (client_normal(self)) {
3217                 self->iconic = iconic;
3218
3219                 /* update the focus lists.. iconic windows go to the bottom of
3220                    the list */
3221                 focus_order_to_bottom(self);
3222
3223                 changed = TRUE;
3224             }
3225         } else {
3226             self->iconic = iconic;
3227
3228             if (curdesk && self->desktop != screen_desktop &&
3229                 self->desktop != DESKTOP_ALL)
3230                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3231
3232             /* this puts it after the current focused window */
3233             focus_order_remove(self);
3234             focus_order_add_new(self);
3235
3236             changed = TRUE;
3237         }
3238     }
3239
3240     if (changed) {
3241         client_change_state(self);
3242         if (config_animate_iconify && !hide_animation)
3243             frame_begin_iconify_animation(self->frame, iconic);
3244         /* do this after starting the animation so it doesn't flash */
3245         client_showhide(self);
3246     }
3247
3248     /* iconify all direct transients, and deiconify all transients
3249        (non-direct too) */
3250     for (it = self->transients; it; it = g_slist_next(it))
3251         if (it->data != self)
3252             if (client_is_direct_child(self, it->data) || !iconic)
3253                 client_iconify_recursive(it->data, iconic, curdesk,
3254                                          hide_animation);
3255 }
3256
3257 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3258                     gboolean hide_animation)
3259 {
3260     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3261         /* move up the transient chain as far as possible first */
3262         self = client_search_top_direct_parent(self);
3263         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3264     }
3265 }
3266
3267 void client_maximize(ObClient *self, gboolean max, gint dir)
3268 {
3269     gint x, y, w, h;
3270
3271     g_assert(dir == 0 || dir == 1 || dir == 2);
3272     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && max) return;/* can't */
3273
3274     /* check if already done */
3275     if (max) {
3276         if (dir == 0 && self->max_horz && self->max_vert) return;
3277         if (dir == 1 && self->max_horz) return;
3278         if (dir == 2 && self->max_vert) return;
3279     } else {
3280         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3281         if (dir == 1 && !self->max_horz) return;
3282         if (dir == 2 && !self->max_vert) return;
3283     }
3284
3285     /* these will help configure_full figure out which screen to fill with
3286        the window */
3287     x = self->area.x;
3288     y = self->area.y;
3289     w = self->area.width;
3290     h = self->area.height;
3291
3292     if (max) {
3293         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3294             RECT_SET(self->pre_max_area,
3295                      self->area.x, self->pre_max_area.y,
3296                      self->area.width, self->pre_max_area.height);
3297         }
3298         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3299             RECT_SET(self->pre_max_area,
3300                      self->pre_max_area.x, self->area.y,
3301                      self->pre_max_area.width, self->area.height);
3302         }
3303     } else {
3304         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3305             g_assert(self->pre_max_area.width > 0);
3306
3307             x = self->pre_max_area.x;
3308             w = self->pre_max_area.width;
3309
3310             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3311                      0, self->pre_max_area.height);
3312         }
3313         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3314             g_assert(self->pre_max_area.height > 0);
3315
3316             y = self->pre_max_area.y;
3317             h = self->pre_max_area.height;
3318
3319             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3320                      self->pre_max_area.width, 0);
3321         }
3322     }
3323
3324     if (dir == 0 || dir == 1) /* horz */
3325         self->max_horz = max;
3326     if (dir == 0 || dir == 2) /* vert */
3327         self->max_vert = max;
3328
3329     client_change_state(self); /* change the state hints on the client */
3330
3331     client_setup_decor_and_functions(self, FALSE);
3332     client_move_resize(self, x, y, w, h);
3333 }
3334
3335 void client_shade(ObClient *self, gboolean shade)
3336 {
3337     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3338          shade) ||                         /* can't shade */
3339         self->shaded == shade) return;     /* already done */
3340
3341     self->shaded = shade;
3342     client_change_state(self);
3343     client_change_wm_state(self); /* the window is being hidden/shown */
3344     /* resize the frame to just the titlebar */
3345     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3346 }
3347
3348 static void client_ping_event(ObClient *self, gboolean dead)
3349 {
3350     if (self->not_responding != dead) {
3351         self->not_responding = dead;
3352         client_update_title(self);
3353
3354         if (dead)
3355             /* the client isn't responding, so ask to kill it */
3356             client_prompt_kill(self);
3357         else {
3358             /* it came back to life ! */
3359
3360             if (self->kill_prompt) {
3361                 prompt_unref(self->kill_prompt);
3362                 self->kill_prompt = NULL;
3363             }
3364
3365             self->kill_level = 0;
3366         }
3367     }
3368 }
3369
3370 void client_close(ObClient *self)
3371 {
3372     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3373
3374     /* if closing an internal obprompt, that is just cancelling it */
3375     if (self->prompt) {
3376         prompt_cancel(self->prompt);
3377         return;
3378     }
3379
3380     /* in the case that the client provides no means to requesting that it
3381        close, we just kill it */
3382     if (!self->delete_window)
3383         /* don't use client_kill(), we should only kill based on PID in
3384            response to a lack of PING replies */
3385         XKillClient(ob_display, self->window);
3386     else {
3387         /* request the client to close with WM_DELETE_WINDOW */
3388         PROP_MSG_TO(self->window, self->window, wm_protocols,
3389                     prop_atoms.wm_delete_window, event_curtime, 0, 0, 0,
3390                     NoEventMask);
3391
3392         /* we're trying to close the window, so see if it is responding. if it
3393            is not, then we will let them kill the window */
3394         if (self->ping)
3395             ping_start(self, client_ping_event);
3396
3397         /* if we already know the window isn't responding (maybe they clicked
3398            no in the kill dialog but it hasn't come back to life), then show
3399            the kill dialog */
3400         if (self->not_responding)
3401             client_prompt_kill(self);
3402     }
3403 }
3404
3405 #define OB_KILL_RESULT_NO 0
3406 #define OB_KILL_RESULT_YES 1
3407
3408 static gboolean client_kill_requested(ObPrompt *p, gint result, gpointer data)
3409 {
3410     ObClient *self = data;
3411
3412     if (result == OB_KILL_RESULT_YES)
3413         client_kill(self);
3414     return TRUE; /* call the cleanup func */
3415 }
3416
3417 static void client_kill_cleanup(ObPrompt *p, gpointer data)
3418 {
3419     ObClient *self = data;
3420
3421     g_assert(p == self->kill_prompt);
3422
3423     prompt_unref(self->kill_prompt);
3424     self->kill_prompt = NULL;
3425 }
3426
3427 static void client_prompt_kill(ObClient *self)
3428 {
3429     /* check if we're already prompting */
3430     if (!self->kill_prompt) {
3431         ObPromptAnswer answers[] = {
3432             { 0, OB_KILL_RESULT_NO },
3433             { 0, OB_KILL_RESULT_YES }
3434         };
3435         gchar *m;
3436         const gchar *y, *title;
3437
3438         title = self->original_title;
3439         if (title[0] == '\0') {
3440             /* empty string, so use its parent */
3441             ObClient *p = client_search_top_direct_parent(self);
3442             if (p) title = p->original_title;
3443         }
3444
3445         if (client_on_localhost(self)) {
3446             const gchar *sig;
3447
3448             if (self->kill_level == 0)
3449                 sig = "terminate";
3450             else
3451                 sig = "kill";
3452
3453             m = g_strdup_printf
3454                 (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"),
3455                  title, sig);
3456             y = _("End Process");
3457         }
3458         else {
3459             m = g_strdup_printf
3460                 (_("The window \"%s\" does not seem to be responding.  Do you want to disconnect it from the X server?"),
3461                  title);
3462             y = _("Disconnect");
3463         }
3464         /* set the dialog buttons' text */
3465         answers[0].text = _("Cancel");  /* "no" */
3466         answers[1].text = y;            /* "yes" */
3467
3468         self->kill_prompt = prompt_new(m, NULL, answers,
3469                                        sizeof(answers)/sizeof(answers[0]),
3470                                        OB_KILL_RESULT_NO, /* default = no */
3471                                        OB_KILL_RESULT_NO, /* cancel = no */
3472                                        client_kill_requested,
3473                                        client_kill_cleanup,
3474                                        self);
3475         g_free(m);
3476     }
3477
3478     prompt_show(self->kill_prompt, self, TRUE);
3479 }
3480
3481 void client_kill(ObClient *self)
3482 {
3483     /* don't kill our own windows */
3484     if (self->prompt) return;
3485
3486     if (client_on_localhost(self) && self->pid) {
3487         /* running on the local host */
3488         if (self->kill_level == 0) {
3489             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3490                      self->window, self->pid);
3491             kill(self->pid, SIGTERM);
3492             ++self->kill_level;
3493
3494             /* show that we're trying to kill it */
3495             client_update_title(self);
3496         }
3497         else {
3498             ob_debug("killing window 0x%x with pid %lu, with SIGKILL\n",
3499                      self->window, self->pid);
3500             kill(self->pid, SIGKILL); /* kill -9 */
3501         }
3502     }
3503     else {
3504         /* running on a remote host */
3505         XKillClient(ob_display, self->window);
3506     }
3507 }
3508
3509 void client_hilite(ObClient *self, gboolean hilite)
3510 {
3511     if (self->demands_attention == hilite)
3512         return; /* no change */
3513
3514     /* don't allow focused windows to hilite */
3515     self->demands_attention = hilite && !client_focused(self);
3516     if (self->frame != NULL) { /* if we're mapping, just set the state */
3517         if (self->demands_attention) {
3518             frame_flash_start(self->frame);
3519
3520             /* if the window is on another desktop then raise it and make it
3521                the most recently used window */
3522             if (self->desktop != screen_desktop &&
3523                 self->desktop != DESKTOP_ALL)
3524             {
3525                 stacking_raise(CLIENT_AS_WINDOW(self));
3526                 focus_order_to_top(self);
3527             }
3528         }
3529         else
3530             frame_flash_stop(self->frame);
3531         client_change_state(self);
3532     }
3533 }
3534
3535 static void client_set_desktop_recursive(ObClient *self,
3536                                          guint target,
3537                                          gboolean donthide,
3538                                          gboolean dontraise)
3539 {
3540     guint old;
3541     GSList *it;
3542
3543     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3544
3545         ob_debug("Setting desktop %u\n", target+1);
3546
3547         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3548
3549         old = self->desktop;
3550         self->desktop = target;
3551         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3552         /* the frame can display the current desktop state */
3553         frame_adjust_state(self->frame);
3554         /* 'move' the window to the new desktop */
3555         if (!donthide)
3556             client_hide(self);
3557         client_show(self);
3558         /* raise if it was not already on the desktop */
3559         if (old != DESKTOP_ALL && !dontraise)
3560             stacking_raise(CLIENT_AS_WINDOW(self));
3561         if (STRUT_EXISTS(self->strut))
3562             screen_update_areas();
3563         else
3564             /* the new desktop's geometry may be different, so we may need to
3565                resize, for example if we are maximized */
3566             client_reconfigure(self, FALSE);
3567     }
3568
3569     /* move all transients */
3570     for (it = self->transients; it; it = g_slist_next(it))
3571         if (it->data != self)
3572             if (client_is_direct_child(self, it->data))
3573                 client_set_desktop_recursive(it->data, target,
3574                                              donthide, dontraise);
3575 }
3576
3577 void client_set_desktop(ObClient *self, guint target,
3578                         gboolean donthide, gboolean dontraise)
3579 {
3580     self = client_search_top_direct_parent(self);
3581     client_set_desktop_recursive(self, target, donthide, dontraise);
3582 }
3583
3584 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3585 {
3586     while (child != parent && (child = client_direct_parent(child)));
3587     return child == parent;
3588 }
3589
3590 ObClient *client_search_modal_child(ObClient *self)
3591 {
3592     GSList *it;
3593     ObClient *ret;
3594
3595     for (it = self->transients; it; it = g_slist_next(it)) {
3596         ObClient *c = it->data;
3597         if ((ret = client_search_modal_child(c))) return ret;
3598         if (c->modal) return c;
3599     }
3600     return NULL;
3601 }
3602
3603 static gboolean client_validate_unmap(ObClient *self, int n)
3604 {
3605     XEvent e;
3606     gboolean ret = TRUE;
3607
3608     if (XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3609         if (n < self->ignore_unmaps) // ignore this one, but look for more
3610             ret = client_validate_unmap(self, n+1);
3611         else
3612             ret = FALSE; // the window is going to become unmanaged
3613
3614         /* put them back on the event stack so they end up in the same order */
3615         XPutBackEvent(ob_display, &e);
3616     }
3617
3618     return ret;
3619 }
3620
3621 gboolean client_validate(ObClient *self)
3622 {
3623     XEvent e;
3624
3625     XSync(ob_display, FALSE); /* get all events on the server */
3626
3627     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e)) {
3628         XPutBackEvent(ob_display, &e);
3629         return FALSE;
3630     }
3631
3632     if (!client_validate_unmap(self, 0))
3633         return FALSE;
3634
3635     return TRUE;
3636 }
3637
3638 void client_set_wm_state(ObClient *self, glong state)
3639 {
3640     if (state == self->wmstate) return; /* no change */
3641
3642     switch (state) {
3643     case IconicState:
3644         client_iconify(self, TRUE, TRUE, FALSE);
3645         break;
3646     case NormalState:
3647         client_iconify(self, FALSE, TRUE, FALSE);
3648         break;
3649     }
3650 }
3651
3652 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3653 {
3654     gboolean shaded = self->shaded;
3655     gboolean fullscreen = self->fullscreen;
3656     gboolean undecorated = self->undecorated;
3657     gboolean max_horz = self->max_horz;
3658     gboolean max_vert = self->max_vert;
3659     gboolean modal = self->modal;
3660     gboolean iconic = self->iconic;
3661     gboolean demands_attention = self->demands_attention;
3662     gboolean above = self->above;
3663     gboolean below = self->below;
3664     gint i;
3665
3666     if (!(action == prop_atoms.net_wm_state_add ||
3667           action == prop_atoms.net_wm_state_remove ||
3668           action == prop_atoms.net_wm_state_toggle))
3669         /* an invalid action was passed to the client message, ignore it */
3670         return;
3671
3672     for (i = 0; i < 2; ++i) {
3673         Atom state = i == 0 ? data1 : data2;
3674
3675         if (!state) continue;
3676
3677         /* if toggling, then pick whether we're adding or removing */
3678         if (action == prop_atoms.net_wm_state_toggle) {
3679             if (state == prop_atoms.net_wm_state_modal)
3680                 action = modal ? prop_atoms.net_wm_state_remove :
3681                     prop_atoms.net_wm_state_add;
3682             else if (state == prop_atoms.net_wm_state_maximized_vert)
3683                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3684                     prop_atoms.net_wm_state_add;
3685             else if (state == prop_atoms.net_wm_state_maximized_horz)
3686                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3687                     prop_atoms.net_wm_state_add;
3688             else if (state == prop_atoms.net_wm_state_shaded)
3689                 action = shaded ? prop_atoms.net_wm_state_remove :
3690                     prop_atoms.net_wm_state_add;
3691             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3692                 action = self->skip_taskbar ?
3693                     prop_atoms.net_wm_state_remove :
3694                     prop_atoms.net_wm_state_add;
3695             else if (state == prop_atoms.net_wm_state_skip_pager)
3696                 action = self->skip_pager ?
3697                     prop_atoms.net_wm_state_remove :
3698                     prop_atoms.net_wm_state_add;
3699             else if (state == prop_atoms.net_wm_state_hidden)
3700                 action = self->iconic ?
3701                     prop_atoms.net_wm_state_remove :
3702                     prop_atoms.net_wm_state_add;
3703             else if (state == prop_atoms.net_wm_state_fullscreen)
3704                 action = fullscreen ?
3705                     prop_atoms.net_wm_state_remove :
3706                     prop_atoms.net_wm_state_add;
3707             else if (state == prop_atoms.net_wm_state_above)
3708                 action = self->above ? prop_atoms.net_wm_state_remove :
3709                     prop_atoms.net_wm_state_add;
3710             else if (state == prop_atoms.net_wm_state_below)
3711                 action = self->below ? prop_atoms.net_wm_state_remove :
3712                     prop_atoms.net_wm_state_add;
3713             else if (state == prop_atoms.net_wm_state_demands_attention)
3714                 action = self->demands_attention ?
3715                     prop_atoms.net_wm_state_remove :
3716                     prop_atoms.net_wm_state_add;
3717             else if (state == prop_atoms.ob_wm_state_undecorated)
3718                 action = undecorated ? prop_atoms.net_wm_state_remove :
3719                     prop_atoms.net_wm_state_add;
3720         }
3721
3722         if (action == prop_atoms.net_wm_state_add) {
3723             if (state == prop_atoms.net_wm_state_modal) {
3724                 modal = TRUE;
3725             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3726                 max_vert = TRUE;
3727             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3728                 max_horz = TRUE;
3729             } else if (state == prop_atoms.net_wm_state_shaded) {
3730                 shaded = TRUE;
3731             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3732                 self->skip_taskbar = TRUE;
3733             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3734                 self->skip_pager = TRUE;
3735             } else if (state == prop_atoms.net_wm_state_hidden) {
3736                 iconic = TRUE;
3737             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3738                 fullscreen = TRUE;
3739             } else if (state == prop_atoms.net_wm_state_above) {
3740                 above = TRUE;
3741                 below = FALSE;
3742             } else if (state == prop_atoms.net_wm_state_below) {
3743                 above = FALSE;
3744                 below = TRUE;
3745             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3746                 demands_attention = TRUE;
3747             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3748                 undecorated = TRUE;
3749             }
3750
3751         } else { /* action == prop_atoms.net_wm_state_remove */
3752             if (state == prop_atoms.net_wm_state_modal) {
3753                 modal = FALSE;
3754             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3755                 max_vert = FALSE;
3756             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3757                 max_horz = FALSE;
3758             } else if (state == prop_atoms.net_wm_state_shaded) {
3759                 shaded = FALSE;
3760             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3761                 self->skip_taskbar = FALSE;
3762             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3763                 self->skip_pager = FALSE;
3764             } else if (state == prop_atoms.net_wm_state_hidden) {
3765                 iconic = FALSE;
3766             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3767                 fullscreen = FALSE;
3768             } else if (state == prop_atoms.net_wm_state_above) {
3769                 above = FALSE;
3770             } else if (state == prop_atoms.net_wm_state_below) {
3771                 below = FALSE;
3772             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3773                 demands_attention = FALSE;
3774             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3775                 undecorated = FALSE;
3776             }
3777         }
3778     }
3779
3780     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3781         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3782             /* toggling both */
3783             if (max_horz == max_vert) { /* both going the same way */
3784                 client_maximize(self, max_horz, 0);
3785             } else {
3786                 client_maximize(self, max_horz, 1);
3787                 client_maximize(self, max_vert, 2);
3788             }
3789         } else {
3790             /* toggling one */
3791             if (max_horz != self->max_horz)
3792                 client_maximize(self, max_horz, 1);
3793             else
3794                 client_maximize(self, max_vert, 2);
3795         }
3796     }
3797     /* change fullscreen state before shading, as it will affect if the window
3798        can shade or not */
3799     if (fullscreen != self->fullscreen)
3800         client_fullscreen(self, fullscreen);
3801     if (shaded != self->shaded)
3802         client_shade(self, shaded);
3803     if (undecorated != self->undecorated)
3804         client_set_undecorated(self, undecorated);
3805     if (above != self->above || below != self->below) {
3806         self->above = above;
3807         self->below = below;
3808         client_calc_layer(self);
3809     }
3810
3811     if (modal != self->modal) {
3812         self->modal = modal;
3813         /* when a window changes modality, then its stacking order with its
3814            transients needs to change */
3815         stacking_raise(CLIENT_AS_WINDOW(self));
3816
3817         /* it also may get focused. if something is focused that shouldn't
3818            be focused anymore, then move the focus */
3819         if (focus_client && client_focus_target(focus_client) != focus_client)
3820             client_focus(focus_client);
3821     }
3822
3823     if (iconic != self->iconic)
3824         client_iconify(self, iconic, FALSE, FALSE);
3825
3826     if (demands_attention != self->demands_attention)
3827         client_hilite(self, demands_attention);
3828
3829     client_change_state(self); /* change the hint to reflect these changes */
3830 }
3831
3832 ObClient *client_focus_target(ObClient *self)
3833 {
3834     ObClient *child = NULL;
3835
3836     child = client_search_modal_child(self);
3837     if (child) return child;
3838     return self;
3839 }
3840
3841 gboolean client_can_focus(ObClient *self)
3842 {
3843     /* choose the correct target */
3844     self = client_focus_target(self);
3845
3846     if (!self->frame->visible)
3847         return FALSE;
3848
3849     if (!(self->can_focus || self->focus_notify))
3850         return FALSE;
3851
3852     return TRUE;
3853 }
3854
3855 gboolean client_focus(ObClient *self)
3856 {
3857     /* we might not focus this window, so if we have modal children which would
3858        be focused instead, bring them to this desktop */
3859     client_bring_modal_windows(self);
3860
3861     /* choose the correct target */
3862     self = client_focus_target(self);
3863
3864     if (!client_can_focus(self)) {
3865         ob_debug_type(OB_DEBUG_FOCUS,
3866                       "Client %s can't be focused\n", self->title);
3867         return FALSE;
3868     }
3869
3870     ob_debug_type(OB_DEBUG_FOCUS,
3871                   "Focusing client \"%s\" (0x%x) at time %u\n",
3872                   self->title, self->window, event_curtime);
3873
3874     /* if using focus_delay, stop the timer now so that focus doesn't
3875        go moving on us */
3876     event_halt_focus_delay();
3877
3878     event_cancel_all_key_grabs();
3879
3880     xerror_set_ignore(TRUE);
3881     xerror_occured = FALSE;
3882
3883     if (self->can_focus) {
3884         /* This can cause a BadMatch error with CurrentTime, or if an app
3885            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3886         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3887                        event_curtime);
3888     }
3889
3890     if (self->focus_notify) {
3891         XEvent ce;
3892         ce.xclient.type = ClientMessage;
3893         ce.xclient.message_type = prop_atoms.wm_protocols;
3894         ce.xclient.display = ob_display;
3895         ce.xclient.window = self->window;
3896         ce.xclient.format = 32;
3897         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3898         ce.xclient.data.l[1] = event_curtime;
3899         ce.xclient.data.l[2] = 0l;
3900         ce.xclient.data.l[3] = 0l;
3901         ce.xclient.data.l[4] = 0l;
3902         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3903     }
3904
3905     xerror_set_ignore(FALSE);
3906
3907     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3908     return !xerror_occured;
3909 }
3910
3911 static void client_present(ObClient *self, gboolean here, gboolean raise,
3912                            gboolean unshade)
3913 {
3914     if (client_normal(self) && screen_showing_desktop)
3915         screen_show_desktop(FALSE, self);
3916     if (self->iconic)
3917         client_iconify(self, FALSE, here, FALSE);
3918     if (self->desktop != DESKTOP_ALL &&
3919         self->desktop != screen_desktop)
3920     {
3921         if (here)
3922             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3923         else
3924             screen_set_desktop(self->desktop, FALSE);
3925     } else if (!self->frame->visible)
3926         /* if its not visible for other reasons, then don't mess
3927            with it */
3928         return;
3929     if (self->shaded && unshade)
3930         client_shade(self, FALSE);
3931     if (raise)
3932         stacking_raise(CLIENT_AS_WINDOW(self));
3933
3934     client_focus(self);
3935 }
3936
3937 /* this function exists to map to the net_active_window message in the ewmh */
3938 void client_activate(ObClient *self, gboolean here, gboolean raise,
3939                      gboolean unshade, gboolean user)
3940 {
3941     if ((user && (self->desktop == DESKTOP_ALL ||
3942                   self->desktop == screen_desktop)) ||
3943         client_can_steal_focus(self, event_curtime, CurrentTime))
3944     {
3945         client_present(self, here, raise, unshade);
3946     }
3947     else
3948         client_hilite(self, TRUE);
3949 }
3950
3951 static void client_bring_windows_recursive(ObClient *self,
3952                                            guint desktop,
3953                                            gboolean helpers,
3954                                            gboolean modals,
3955                                            gboolean iconic)
3956 {
3957     GSList *it;
3958
3959     for (it = self->transients; it; it = g_slist_next(it))
3960         client_bring_windows_recursive(it->data, desktop,
3961                                        helpers, modals, iconic);
3962
3963     if (((helpers && client_helper(self)) ||
3964          (modals && self->modal)) &&
3965         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3966          (iconic && self->iconic)))
3967     {
3968         if (iconic && self->iconic)
3969             client_iconify(self, FALSE, TRUE, FALSE);
3970         else
3971             client_set_desktop(self, desktop, FALSE, FALSE);
3972     }
3973 }
3974
3975 void client_bring_helper_windows(ObClient *self)
3976 {
3977     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3978 }
3979
3980 void client_bring_modal_windows(ObClient *self)
3981 {
3982     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3983 }
3984
3985 gboolean client_focused(ObClient *self)
3986 {
3987     return self == focus_client;
3988 }
3989
3990 RrImage* client_icon(ObClient *self)
3991 {
3992     RrImage *ret = NULL;
3993
3994     if (self->icon_set)
3995         ret = self->icon_set;
3996     else if (self->parents) {
3997         GSList *it;
3998         for (it = self->parents; it && !ret; it = g_slist_next(it))
3999             ret = client_icon(it->data);
4000     }
4001     if (!ret)
4002         ret = client_default_icon;
4003     return ret;
4004 }
4005
4006 void client_set_layer(ObClient *self, gint layer)
4007 {
4008     if (layer < 0) {
4009         self->below = TRUE;
4010         self->above = FALSE;
4011     } else if (layer == 0) {
4012         self->below = self->above = FALSE;
4013     } else {
4014         self->below = FALSE;
4015         self->above = TRUE;
4016     }
4017     client_calc_layer(self);
4018     client_change_state(self); /* reflect this in the state hints */
4019 }
4020
4021 void client_set_undecorated(ObClient *self, gboolean undecorated)
4022 {
4023     if (self->undecorated != undecorated &&
4024         /* don't let it undecorate if the function is missing, but let
4025            it redecorate */
4026         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
4027     {
4028         self->undecorated = undecorated;
4029         client_setup_decor_and_functions(self, TRUE);
4030         client_change_state(self); /* reflect this in the state hints */
4031     }
4032 }
4033
4034 guint client_monitor(ObClient *self)
4035 {
4036     return screen_find_monitor(&self->frame->area);
4037 }
4038
4039 ObClient *client_direct_parent(ObClient *self)
4040 {
4041     if (!self->parents) return NULL;
4042     if (self->transient_for_group) return NULL;
4043     return self->parents->data;
4044 }
4045
4046 ObClient *client_search_top_direct_parent(ObClient *self)
4047 {
4048     ObClient *p;
4049     while ((p = client_direct_parent(self))) self = p;
4050     return self;
4051 }
4052
4053 static GSList *client_search_all_top_parents_internal(ObClient *self,
4054                                                       gboolean bylayer,
4055                                                       ObStackingLayer layer)
4056 {
4057     GSList *ret;
4058     ObClient *p;
4059
4060     /* move up the direct transient chain as far as possible */
4061     while ((p = client_direct_parent(self)) &&
4062            (!bylayer || p->layer == layer))
4063         self = p;
4064
4065     if (!self->parents)
4066         ret = g_slist_prepend(NULL, self);
4067     else
4068         ret = g_slist_copy(self->parents);
4069
4070     return ret;
4071 }
4072
4073 GSList *client_search_all_top_parents(ObClient *self)
4074 {
4075     return client_search_all_top_parents_internal(self, FALSE, 0);
4076 }
4077
4078 GSList *client_search_all_top_parents_layer(ObClient *self)
4079 {
4080     return client_search_all_top_parents_internal(self, TRUE, self->layer);
4081 }
4082
4083 ObClient *client_search_focus_parent(ObClient *self)
4084 {
4085     GSList *it;
4086
4087     for (it = self->parents; it; it = g_slist_next(it))
4088         if (client_focused(it->data)) return it->data;
4089
4090     return NULL;
4091 }
4092
4093 ObClient *client_search_focus_parent_full(ObClient *self)
4094 {
4095     GSList *it;
4096     ObClient *ret = NULL;
4097
4098     for (it = self->parents; it; it = g_slist_next(it)) {
4099         if (client_focused(it->data))
4100             ret = it->data;
4101         else
4102             ret = client_search_focus_parent_full(it->data);
4103         if (ret) break;
4104     }
4105     return ret;
4106 }
4107
4108 ObClient *client_search_parent(ObClient *self, ObClient *search)
4109 {
4110     GSList *it;
4111
4112     for (it = self->parents; it; it = g_slist_next(it))
4113         if (it->data == search) return search;
4114
4115     return NULL;
4116 }
4117
4118 ObClient *client_search_transient(ObClient *self, ObClient *search)
4119 {
4120     GSList *sit;
4121
4122     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
4123         if (sit->data == search)
4124             return search;
4125         if (client_search_transient(sit->data, search))
4126             return search;
4127     }
4128     return NULL;
4129 }
4130
4131 static void detect_edge(Rect area, ObDirection dir,
4132                         gint my_head, gint my_size,
4133                         gint my_edge_start, gint my_edge_size,
4134                         gint *dest, gboolean *near_edge)
4135 {
4136     gint edge_start, edge_size, head, tail;
4137     gboolean skip_head = FALSE, skip_tail = FALSE;
4138
4139     switch (dir) {
4140         case OB_DIRECTION_NORTH:
4141         case OB_DIRECTION_SOUTH:
4142             edge_start = area.x;
4143             edge_size = area.width;
4144             break;
4145         case OB_DIRECTION_EAST:
4146         case OB_DIRECTION_WEST:
4147             edge_start = area.y;
4148             edge_size = area.height;
4149             break;
4150         default:
4151             g_assert_not_reached();
4152     }
4153
4154     /* do we collide with this window? */
4155     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
4156                 edge_start, edge_size))
4157         return;
4158
4159     switch (dir) {
4160         case OB_DIRECTION_NORTH:
4161             head = RECT_BOTTOM(area);
4162             tail = RECT_TOP(area);
4163             break;
4164         case OB_DIRECTION_SOUTH:
4165             head = RECT_TOP(area);
4166             tail = RECT_BOTTOM(area);
4167             break;
4168         case OB_DIRECTION_WEST:
4169             head = RECT_RIGHT(area);
4170             tail = RECT_LEFT(area);
4171             break;
4172         case OB_DIRECTION_EAST:
4173             head = RECT_LEFT(area);
4174             tail = RECT_RIGHT(area);
4175             break;
4176         default:
4177             g_assert_not_reached();
4178     }
4179     switch (dir) {
4180         case OB_DIRECTION_NORTH:
4181         case OB_DIRECTION_WEST:
4182             /* check if our window is past the head of this window */
4183             if (my_head <= head + 1)
4184                 skip_head = TRUE;
4185             /* check if our window's tail is past the tail of this window */
4186             if (my_head + my_size - 1 <= tail)
4187                 skip_tail = TRUE;
4188             /* check if the head of this window is closer than the previously
4189                chosen edge (take into account that the previously chosen
4190                edge might have been a tail, not a head) */
4191             if (head + (*near_edge ? 0 : my_size) <= *dest)
4192                 skip_head = TRUE;
4193             /* check if the tail of this window is closer than the previously
4194                chosen edge (take into account that the previously chosen
4195                edge might have been a head, not a tail) */
4196             if (tail - (!*near_edge ? 0 : my_size) <= *dest)
4197                 skip_tail = TRUE;
4198             break;
4199         case OB_DIRECTION_SOUTH:
4200         case OB_DIRECTION_EAST:
4201             /* check if our window is past the head of this window */
4202             if (my_head >= head - 1)
4203                 skip_head = TRUE;
4204             /* check if our window's tail is past the tail of this window */
4205             if (my_head - my_size + 1 >= tail)
4206                 skip_tail = TRUE;
4207             /* check if the head of this window is closer than the previously
4208                chosen edge (take into account that the previously chosen
4209                edge might have been a tail, not a head) */
4210             if (head - (*near_edge ? 0 : my_size) >= *dest)
4211                 skip_head = TRUE;
4212             /* check if the tail of this window is closer than the previously
4213                chosen edge (take into account that the previously chosen
4214                edge might have been a head, not a tail) */
4215             if (tail + (!*near_edge ? 0 : my_size) >= *dest)
4216                 skip_tail = TRUE;
4217             break;
4218         default:
4219             g_assert_not_reached();
4220     }
4221
4222     ob_debug("my head %d size %d\n", my_head, my_size);
4223     ob_debug("head %d tail %d dest %d\n", head, tail, *dest);
4224     if (!skip_head) {
4225         ob_debug("using near edge %d\n", head);
4226         *dest = head;
4227         *near_edge = TRUE;
4228     }
4229     else if (!skip_tail) {
4230         ob_debug("using far edge %d\n", tail);
4231         *dest = tail;
4232         *near_edge = FALSE;
4233     }
4234 }
4235
4236 void client_find_edge_directional(ObClient *self, ObDirection dir,
4237                                   gint my_head, gint my_size,
4238                                   gint my_edge_start, gint my_edge_size,
4239                                   gint *dest, gboolean *near_edge)
4240 {
4241     GList *it;
4242     Rect *a, *mon;
4243     Rect dock_area;
4244     gint edge;
4245
4246     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
4247                     &self->frame->area);
4248     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
4249                       &self->frame->area);
4250
4251     switch (dir) {
4252     case OB_DIRECTION_NORTH:
4253         if (my_head >= RECT_TOP(*mon) + 1)
4254             edge = RECT_TOP(*mon) - 1;
4255         else
4256             edge = RECT_TOP(*a) - 1;
4257         break;
4258     case OB_DIRECTION_SOUTH:
4259         if (my_head <= RECT_BOTTOM(*mon) - 1)
4260             edge = RECT_BOTTOM(*mon) + 1;
4261         else
4262             edge = RECT_BOTTOM(*a) + 1;
4263         break;
4264     case OB_DIRECTION_EAST:
4265         if (my_head <= RECT_RIGHT(*mon) - 1)
4266             edge = RECT_RIGHT(*mon) + 1;
4267         else
4268             edge = RECT_RIGHT(*a) + 1;
4269         break;
4270     case OB_DIRECTION_WEST:
4271         if (my_head >= RECT_LEFT(*mon) + 1)
4272             edge = RECT_LEFT(*mon) - 1;
4273         else
4274             edge = RECT_LEFT(*a) - 1;
4275         break;
4276     default:
4277         g_assert_not_reached();
4278     }
4279     /* default to the far edge, then narrow it down */
4280     *dest = edge;
4281     *near_edge = TRUE;
4282
4283     for (it = client_list; it; it = g_list_next(it)) {
4284         ObClient *cur = it->data;
4285
4286         /* skip windows to not bump into */
4287         if (cur == self)
4288             continue;
4289         if (cur->iconic)
4290             continue;
4291         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4292             cur->desktop != screen_desktop)
4293             continue;
4294
4295         ob_debug("trying window %s\n", cur->title);
4296
4297         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4298                     my_edge_size, dest, near_edge);
4299     }
4300     dock_get_area(&dock_area);
4301     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4302                 my_edge_size, dest, near_edge);
4303     g_free(a);
4304     g_free(mon);
4305 }
4306
4307 void client_find_move_directional(ObClient *self, ObDirection dir,
4308                                   gint *x, gint *y)
4309 {
4310     gint head, size;
4311     gint e, e_start, e_size;
4312     gboolean near;
4313
4314     switch (dir) {
4315     case OB_DIRECTION_EAST:
4316         head = RECT_RIGHT(self->frame->area);
4317         size = self->frame->area.width;
4318         e_start = RECT_TOP(self->frame->area);
4319         e_size = self->frame->area.height;
4320         break;
4321     case OB_DIRECTION_WEST:
4322         head = RECT_LEFT(self->frame->area);
4323         size = self->frame->area.width;
4324         e_start = RECT_TOP(self->frame->area);
4325         e_size = self->frame->area.height;
4326         break;
4327     case OB_DIRECTION_NORTH:
4328         head = RECT_TOP(self->frame->area);
4329         size = self->frame->area.height;
4330         e_start = RECT_LEFT(self->frame->area);
4331         e_size = self->frame->area.width;
4332         break;
4333     case OB_DIRECTION_SOUTH:
4334         head = RECT_BOTTOM(self->frame->area);
4335         size = self->frame->area.height;
4336         e_start = RECT_LEFT(self->frame->area);
4337         e_size = self->frame->area.width;
4338         break;
4339     default:
4340         g_assert_not_reached();
4341     }
4342
4343     client_find_edge_directional(self, dir, head, size,
4344                                  e_start, e_size, &e, &near);
4345     *x = self->frame->area.x;
4346     *y = self->frame->area.y;
4347     switch (dir) {
4348     case OB_DIRECTION_EAST:
4349         if (near) e -= self->frame->area.width;
4350         else      e++;
4351         *x = e;
4352         break;
4353     case OB_DIRECTION_WEST:
4354         if (near) e++;
4355         else      e -= self->frame->area.width;
4356         *x = e;
4357         break;
4358     case OB_DIRECTION_NORTH:
4359         if (near) e++;
4360         else      e -= self->frame->area.height;
4361         *y = e;
4362         break;
4363     case OB_DIRECTION_SOUTH:
4364         if (near) e -= self->frame->area.height;
4365         else      e++;
4366         *y = e;
4367         break;
4368     default:
4369         g_assert_not_reached();
4370     }
4371     frame_frame_gravity(self->frame, x, y);
4372 }
4373
4374 void client_find_resize_directional(ObClient *self, ObDirection side,
4375                                     gboolean grow,
4376                                     gint *x, gint *y, gint *w, gint *h)
4377 {
4378     gint head;
4379     gint e, e_start, e_size, delta;
4380     gboolean near;
4381     ObDirection dir;
4382
4383     switch (side) {
4384     case OB_DIRECTION_EAST:
4385         head = RECT_RIGHT(self->frame->area) +
4386             (self->size_inc.width - 1) * (grow ? 1 : 0);
4387         e_start = RECT_TOP(self->frame->area);
4388         e_size = self->frame->area.height;
4389         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4390         break;
4391     case OB_DIRECTION_WEST:
4392         head = RECT_LEFT(self->frame->area) -
4393             (self->size_inc.width - 1) * (grow ? 1 : 0);
4394         e_start = RECT_TOP(self->frame->area);
4395         e_size = self->frame->area.height;
4396         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4397         break;
4398     case OB_DIRECTION_NORTH:
4399         head = RECT_TOP(self->frame->area) -
4400             (self->size_inc.height - 1) * (grow ? 1 : 0);
4401         e_start = RECT_LEFT(self->frame->area);
4402         e_size = self->frame->area.width;
4403         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4404         break;
4405     case OB_DIRECTION_SOUTH:
4406         head = RECT_BOTTOM(self->frame->area) +
4407             (self->size_inc.height - 1) * (grow ? 1 : 0);
4408         e_start = RECT_LEFT(self->frame->area);
4409         e_size = self->frame->area.width;
4410         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4411         break;
4412     default:
4413         g_assert_not_reached();
4414     }
4415
4416     ob_debug("head %d dir %d\n", head, dir);
4417     client_find_edge_directional(self, dir, head, 1,
4418                                  e_start, e_size, &e, &near);
4419     ob_debug("edge %d\n", e);
4420     *x = self->frame->area.x;
4421     *y = self->frame->area.y;
4422     *w = self->frame->area.width;
4423     *h = self->frame->area.height;
4424     switch (side) {
4425     case OB_DIRECTION_EAST:
4426         if (grow == near) --e;
4427         delta = e - RECT_RIGHT(self->frame->area);
4428         *w += delta;
4429         break;
4430     case OB_DIRECTION_WEST:
4431         if (grow == near) ++e;
4432         delta = RECT_LEFT(self->frame->area) - e;
4433         *x -= delta;
4434         *w += delta;
4435         break;
4436     case OB_DIRECTION_NORTH:
4437         if (grow == near) ++e;
4438         delta = RECT_TOP(self->frame->area) - e;
4439         *y -= delta;
4440         *h += delta;
4441         break;
4442     case OB_DIRECTION_SOUTH:
4443         if (grow == near) --e;
4444         delta = e - RECT_BOTTOM(self->frame->area);
4445         *h += delta;
4446         break;
4447     default:
4448         g_assert_not_reached();
4449     }
4450     frame_frame_gravity(self->frame, x, y);
4451     *w -= self->frame->size.left + self->frame->size.right;
4452     *h -= self->frame->size.top + self->frame->size.bottom;
4453 }
4454
4455 ObClient* client_under_pointer(void)
4456 {
4457     gint x, y;
4458     GList *it;
4459     ObClient *ret = NULL;
4460
4461     if (screen_pointer_pos(&x, &y)) {
4462         for (it = stacking_list; it; it = g_list_next(it)) {
4463             if (WINDOW_IS_CLIENT(it->data)) {
4464                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4465                 if (c->frame->visible &&
4466                     /* check the desktop, this is done during desktop
4467                        switching and windows are shown/hidden status is not
4468                        reliable */
4469                     (c->desktop == screen_desktop ||
4470                      c->desktop == DESKTOP_ALL) &&
4471                     /* ignore all animating windows */
4472                     !frame_iconify_animating(c->frame) &&
4473                     RECT_CONTAINS(c->frame->area, x, y))
4474                 {
4475                     ret = c;
4476                     break;
4477                 }
4478             }
4479         }
4480     }
4481     return ret;
4482 }
4483
4484 gboolean client_has_group_siblings(ObClient *self)
4485 {
4486     return self->group && self->group->members->next;
4487 }
4488
4489 /*! Returns TRUE if the client is running on the same machine as Openbox */
4490 gboolean client_on_localhost(ObClient *self)
4491 {
4492     return self->client_machine == NULL;
4493 }