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give clients being restored from a session a little more flexibility in lpacement...
[dana/openbox.git] / openbox / client.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 client.c for the Openbox window manager
4 Copyright (c) 2003        Ben Jansens
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 GNU General Public License for more details.
15
16 See the COPYING file for a copy of the GNU General Public License.
17 */
18
19 #include "client.h"
20 #include "debug.h"
21 #include "startupnotify.h"
22 #include "dock.h"
23 #include "xerror.h"
24 #include "screen.h"
25 #include "moveresize.h"
26 #include "place.h"
27 #include "prop.h"
28 #include "extensions.h"
29 #include "frame.h"
30 #include "session.h"
31 #include "event.h"
32 #include "grab.h"
33 #include "focus.h"
34 #include "stacking.h"
35 #include "openbox.h"
36 #include "group.h"
37 #include "config.h"
38 #include "menuframe.h"
39 #include "keyboard.h"
40 #include "mouse.h"
41 #include "render/render.h"
42
43 #include <glib.h>
44 #include <X11/Xutil.h>
45
46 /*! The event mask to grab on client windows */
47 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
48                           StructureNotifyMask)
49
50 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
51                                 ButtonMotionMask)
52
53 typedef struct
54 {
55     ObClientDestructor func;
56     gpointer data;
57 } Destructor;
58
59 GList      *client_list        = NULL;
60 GSList     *client_destructors = NULL;
61
62 static void client_get_all(ObClient *self);
63 static void client_toggle_border(ObClient *self, gboolean show);
64 static void client_get_startup_id(ObClient *self);
65 static void client_get_area(ObClient *self);
66 static void client_get_desktop(ObClient *self);
67 static void client_get_state(ObClient *self);
68 static void client_get_shaped(ObClient *self);
69 static void client_get_mwm_hints(ObClient *self);
70 static void client_get_gravity(ObClient *self);
71 static void client_showhide(ObClient *self);
72 static void client_change_allowed_actions(ObClient *self);
73 static void client_change_state(ObClient *self);
74 static void client_apply_startup_state(ObClient *self);
75 static void client_restore_session_state(ObClient *self);
76 static void client_restore_session_stacking(ObClient *self);
77 static void client_urgent_notify(ObClient *self);
78
79 void client_startup(gboolean reconfig)
80 {
81     if (reconfig) return;
82
83     client_set_list();
84 }
85
86 void client_shutdown(gboolean reconfig)
87 {
88 }
89
90 void client_add_destructor(ObClientDestructor func, gpointer data)
91 {
92     Destructor *d = g_new(Destructor, 1);
93     d->func = func;
94     d->data = data;
95     client_destructors = g_slist_prepend(client_destructors, d);
96 }
97
98 void client_remove_destructor(ObClientDestructor func)
99 {
100     GSList *it;
101
102     for (it = client_destructors; it; it = g_slist_next(it)) {
103         Destructor *d = it->data;
104         if (d->func == func) {
105             g_free(d);
106             client_destructors = g_slist_delete_link(client_destructors, it);
107             break;
108         }
109     }
110 }
111
112 void client_set_list()
113 {
114     Window *windows, *win_it;
115     GList *it;
116     guint size = g_list_length(client_list);
117
118     /* create an array of the window ids */
119     if (size > 0) {
120         windows = g_new(Window, size);
121         win_it = windows;
122         for (it = client_list; it != NULL; it = it->next, ++win_it)
123             *win_it = ((ObClient*)it->data)->window;
124     } else
125         windows = NULL;
126
127     PROP_SETA32(RootWindow(ob_display, ob_screen),
128                 net_client_list, window, (guint32*)windows, size);
129
130     if (windows)
131         g_free(windows);
132
133     stacking_set_list();
134 }
135
136 /*
137   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, void *data)
138   {
139   GSList *it;
140
141   for (it = self->transients; it; it = it->next) {
142   if (!func(it->data, data)) return;
143   client_foreach_transient(it->data, func, data);
144   }
145   }
146
147   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, void *data)
148   {
149   if (self->transient_for) {
150   if (self->transient_for != OB_TRAN_GROUP) {
151   if (!func(self->transient_for, data)) return;
152   client_foreach_ancestor(self->transient_for, func, data);
153   } else {
154   GSList *it;
155
156   for (it = self->group->members; it; it = it->next)
157   if (it->data != self &&
158   !((ObClient*)it->data)->transient_for) {
159   if (!func(it->data, data)) return;
160   client_foreach_ancestor(it->data, func, data);
161   }
162   }
163   }
164   }
165 */
166
167 void client_manage_all()
168 {
169     unsigned int i, j, nchild;
170     Window w, *children;
171     XWMHints *wmhints;
172     XWindowAttributes attrib;
173
174     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
175                &w, &w, &children, &nchild);
176
177     /* remove all icon windows from the list */
178     for (i = 0; i < nchild; i++) {
179         if (children[i] == None) continue;
180         wmhints = XGetWMHints(ob_display, children[i]);
181         if (wmhints) {
182             if ((wmhints->flags & IconWindowHint) &&
183                 (wmhints->icon_window != children[i]))
184                 for (j = 0; j < nchild; j++)
185                     if (children[j] == wmhints->icon_window) {
186                         children[j] = None;
187                         break;
188                     }
189             XFree(wmhints);
190         }
191     }
192
193     for (i = 0; i < nchild; ++i) {
194         if (children[i] == None)
195             continue;
196         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
197             if (attrib.override_redirect) continue;
198
199             if (attrib.map_state != IsUnmapped)
200                 client_manage(children[i]);
201         }
202     }
203     XFree(children);
204 }
205
206 void client_manage(Window window)
207 {
208     ObClient *self;
209     XEvent e;
210     XWindowAttributes attrib;
211     XSetWindowAttributes attrib_set;
212     XWMHints *wmhint;
213     gboolean activate = FALSE;
214
215     grab_server(TRUE);
216
217     /* check if it has already been unmapped by the time we started mapping
218        the grab does a sync so we don't have to here */
219     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
220         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
221         XPutBackEvent(ob_display, &e);
222
223         grab_server(FALSE);
224         return; /* don't manage it */
225     }
226
227     /* make sure it isn't an override-redirect window */
228     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
229         attrib.override_redirect) {
230         grab_server(FALSE);
231         return; /* don't manage it */
232     }
233   
234     /* is the window a docking app */
235     if ((wmhint = XGetWMHints(ob_display, window))) {
236         if ((wmhint->flags & StateHint) &&
237             wmhint->initial_state == WithdrawnState) {
238             dock_add(window, wmhint);
239             grab_server(FALSE);
240             XFree(wmhint);
241             return;
242         }
243         XFree(wmhint);
244     }
245
246     ob_debug("Managing window: %lx\n", window);
247
248     /* choose the events we want to receive on the CLIENT window */
249     attrib_set.event_mask = CLIENT_EVENTMASK;
250     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
251     XChangeWindowAttributes(ob_display, window,
252                             CWEventMask|CWDontPropagate, &attrib_set);
253
254
255     /* create the ObClient struct, and populate it from the hints on the
256        window */
257     self = g_new0(ObClient, 1);
258     self->obwin.type = Window_Client;
259     self->window = window;
260
261     /* non-zero defaults */
262     self->title_count = 1;
263     self->wmstate = NormalState;
264     self->layer = -1;
265     self->desktop = screen_num_desktops; /* always an invalid value */
266
267     client_get_all(self);
268     client_restore_session_state(self);
269
270     sn_app_started(self->class);
271
272     client_change_state(self);
273
274     /* remove the client's border (and adjust re gravity) */
275     client_toggle_border(self, FALSE);
276      
277     /* specify that if we exit, the window should not be destroyed and should
278        be reparented back to root automatically */
279     XChangeSaveSet(ob_display, window, SetModeInsert);
280
281     /* create the decoration frame for the client window */
282     self->frame = frame_new();
283
284     frame_grab_client(self->frame, self);
285
286     grab_server(FALSE);
287
288     client_apply_startup_state(self);
289
290     /* update the focus lists */
291     focus_order_add_new(self);
292
293     stacking_add(CLIENT_AS_WINDOW(self));
294     client_restore_session_stacking(self);
295
296     /* focus the new window? */
297     if (ob_state() != OB_STATE_STARTING &&
298         (config_focus_new || client_search_focus_parent(self)) &&
299         /* note the check against Type_Normal/Dialog, not client_normal(self),
300            which would also include other types. in this case we want more
301            strict rules for focus */
302         (self->type == OB_CLIENT_TYPE_NORMAL ||
303          self->type == OB_CLIENT_TYPE_DIALOG))
304     {        
305         activate = TRUE;
306 #if 0
307         if (self->desktop != screen_desktop) {
308             /* activate the window */
309             activate = TRUE;
310         } else {
311             gboolean group_foc = FALSE;
312
313             if (self->group) {
314                 GSList *it;
315
316                 for (it = self->group->members; it; it = it->next)
317                 {
318                     if (client_focused(it->data))
319                     {
320                         group_foc = TRUE;
321                         break;
322                     }
323                 }
324             }
325             if ((group_foc ||
326                  (!self->transient_for && (!self->group ||
327                                            !self->group->members->next))) ||
328                 client_search_focus_tree_full(self) ||
329                 !focus_client ||
330                 !client_normal(focus_client))
331             {
332                 /* activate the window */
333                 activate = TRUE;
334             }
335         }
336 #endif
337     }
338
339     if (ob_state() == OB_STATE_RUNNING) {
340         int x = self->area.x, ox = x;
341         int y = self->area.y, oy = y;
342
343         place_client(self, &x, &y);
344
345         /* make sure the window is visible */
346         client_find_onscreen(self, &x, &y,
347                              self->frame->area.width,
348                              self->frame->area.height,
349                              /* non-normal clients has less rules, and
350                                 windows that are being restored from a session
351                                 do also. we can assume you want it back where
352                                 you saved it */
353                              client_normal(self) && !self->session);
354
355         if (x != ox || y != oy)
356             client_move(self, x, y);
357     }
358
359     client_showhide(self);
360
361     /* use client_focus instead of client_activate cuz client_activate does
362        stuff like switch desktops etc and I'm not interested in all that when
363        a window maps since its not based on an action from the user like
364        clicking a window to activate is. so keep the new window out of the way
365        but do focus it. */
366     if (activate) {
367         /* if using focus_delay, stop the timer now so that focus doesn't go
368            moving on us */
369         event_halt_focus_delay();
370
371         client_focus(self);
372         /* since focus can change the stacking orders, if we focus the window
373            then the standard raise it gets is not enough, we need to queue one
374            for after the focus change takes place */
375         client_raise(self);
376     }
377
378     /* client_activate does this but we aret using it so we have to do it
379        here as well */
380     if (screen_showing_desktop)
381         screen_show_desktop(FALSE);
382
383     /* add to client list/map */
384     client_list = g_list_append(client_list, self);
385     g_hash_table_insert(window_map, &self->window, self);
386
387     /* this has to happen after we're in the client_list */
388     screen_update_areas();
389
390     /* update the list hints */
391     client_set_list();
392
393     keyboard_grab_for_client(self, TRUE);
394     mouse_grab_for_client(self, TRUE);
395
396     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
397 }
398
399 void client_unmanage_all()
400 {
401     while (client_list != NULL)
402         client_unmanage(client_list->data);
403 }
404
405 void client_unmanage(ObClient *self)
406 {
407     guint j;
408     GSList *it;
409
410     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
411
412     g_assert(self != NULL);
413
414     keyboard_grab_for_client(self, FALSE);
415     mouse_grab_for_client(self, FALSE);
416
417     /* remove the window from our save set */
418     XChangeSaveSet(ob_display, self->window, SetModeDelete);
419
420     /* we dont want events no more */
421     XSelectInput(ob_display, self->window, NoEventMask);
422
423     frame_hide(self->frame);
424
425     client_list = g_list_remove(client_list, self);
426     stacking_remove(self);
427     g_hash_table_remove(window_map, &self->window);
428
429     /* update the focus lists */
430     focus_order_remove(self);
431
432     /* once the client is out of the list, update the struts to remove it's
433        influence */
434     screen_update_areas();
435
436     for (it = client_destructors; it; it = g_slist_next(it)) {
437         Destructor *d = it->data;
438         d->func(self, d->data);
439     }
440         
441     if (focus_client == self) {
442         XEvent e;
443
444         /* focus the last focused window on the desktop, and ignore enter
445            events from the unmap so it doesnt mess with the focus */
446         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
447         /* remove these flags so we don't end up getting focused in the
448            fallback! */
449         self->can_focus = FALSE;
450         self->focus_notify = FALSE;
451         self->modal = FALSE;
452         client_unfocus(self);
453     }
454
455     /* tell our parent(s) that we're gone */
456     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
457         GSList *it;
458
459         for (it = self->group->members; it; it = it->next)
460             if (it->data != self)
461                 ((ObClient*)it->data)->transients =
462                     g_slist_remove(((ObClient*)it->data)->transients, self);
463     } else if (self->transient_for) {        /* transient of window */
464         self->transient_for->transients =
465             g_slist_remove(self->transient_for->transients, self);
466     }
467
468     /* tell our transients that we're gone */
469     for (it = self->transients; it != NULL; it = it->next) {
470         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
471             ((ObClient*)it->data)->transient_for = NULL;
472             client_calc_layer(it->data);
473         }
474     }
475
476     /* remove from its group */
477     if (self->group) {
478         group_remove(self->group, self);
479         self->group = NULL;
480     }
481
482     /* give the client its border back */
483     client_toggle_border(self, TRUE);
484
485     /* reparent the window out of the frame, and free the frame */
486     frame_release_client(self->frame, self);
487     self->frame = NULL;
488      
489     if (ob_state() != OB_STATE_EXITING) {
490         /* these values should not be persisted across a window
491            unmapping/mapping */
492         PROP_ERASE(self->window, net_wm_desktop);
493         PROP_ERASE(self->window, net_wm_state);
494         PROP_ERASE(self->window, wm_state);
495     } else {
496         /* if we're left in an iconic state, the client wont be mapped. this is
497            bad, since we will no longer be managing the window on restart */
498         if (self->iconic)
499             XMapWindow(ob_display, self->window);
500     }
501
502
503     ob_debug("Unmanaged window 0x%lx\n", self->window);
504
505     /* free all data allocated in the client struct */
506     g_slist_free(self->transients);
507     for (j = 0; j < self->nicons; ++j)
508         g_free(self->icons[j].data);
509     if (self->nicons > 0)
510         g_free(self->icons);
511     g_free(self->title);
512     g_free(self->icon_title);
513     g_free(self->name);
514     g_free(self->class);
515     g_free(self->role);
516     g_free(self->sm_client_id);
517     g_free(self);
518      
519     /* update the list hints */
520     client_set_list();
521 }
522
523 static void client_urgent_notify(ObClient *self)
524 {
525     if (self->urgent)
526         frame_flash_start(self->frame);
527     else
528         frame_flash_stop(self->frame);
529 }
530
531 static void client_restore_session_state(ObClient *self)
532 {
533     GList *it;
534
535     if (!(it = session_state_find(self)))
536         return;
537
538     self->session = it->data;
539
540     RECT_SET_POINT(self->area, self->session->x, self->session->y);
541     self->positioned = TRUE;
542     if (self->session->w > 0)
543         self->area.width = self->session->w;
544     if (self->session->h > 0)
545         self->area.height = self->session->h;
546     XResizeWindow(ob_display, self->window,
547                   self->area.width, self->area.height);
548
549     self->desktop = (self->session->desktop == DESKTOP_ALL ?
550                      self->session->desktop :
551                      MIN(screen_num_desktops - 1, self->session->desktop));
552     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
553
554     self->shaded = self->session->shaded;
555     self->iconic = self->session->iconic;
556     self->skip_pager = self->session->skip_pager;
557     self->skip_taskbar = self->session->skip_taskbar;
558     self->fullscreen = self->session->fullscreen;
559     self->above = self->session->above;
560     self->below = self->session->below;
561     self->max_horz = self->session->max_horz;
562     self->max_vert = self->session->max_vert;
563 }
564
565 static void client_restore_session_stacking(ObClient *self)
566 {
567     GList *it;
568
569     if (!self->session) return;
570
571     it = g_list_find(session_saved_state, self->session);
572     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
573         GList *cit;
574
575         for (cit = client_list; cit; cit = g_list_next(cit))
576             if (session_state_cmp(it->data, cit->data))
577                 break;
578         if (cit) {
579             client_calc_layer(self);
580             stacking_below(CLIENT_AS_WINDOW(self),
581                            CLIENT_AS_WINDOW(cit->data));
582             break;
583         }
584     }
585 }
586
587 void client_move_onscreen(ObClient *self, gboolean rude)
588 {
589     int x = self->area.x;
590     int y = self->area.y;
591     if (client_find_onscreen(self, &x, &y,
592                              self->frame->area.width,
593                              self->frame->area.height, rude)) {
594         client_move(self, x, y);
595     }
596 }
597
598 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
599                               gboolean rude)
600 {
601     Rect *a;
602     int ox = *x, oy = *y;
603
604     frame_client_gravity(self->frame, x, y); /* get where the frame
605                                                 would be */
606
607     /* XXX watch for xinerama dead areas */
608
609     a = screen_area(self->desktop);
610     if (client_normal(self)) {
611         if (!self->strut.right && *x >= a->x + a->width - 1)
612             *x = a->x + a->width - self->frame->area.width;
613         if (!self->strut.bottom && *y >= a->y + a->height - 1)
614             *y = a->y + a->height - self->frame->area.height;
615         if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
616             *x = a->x;
617         if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
618             *y = a->y;
619     }
620
621     if (rude) {
622         /* this is my MOZILLA BITCHSLAP. oh ya it fucking feels good.
623            Java can suck it too. */
624
625         /* dont let windows map/move into the strut unless they
626            are bigger than the available area */
627         if (w <= a->width) {
628             if (!self->strut.left && *x < a->x) *x = a->x;
629             if (!self->strut.right && *x + w > a->x + a->width)
630                 *x = a->x + a->width - w;
631         }
632         if (h <= a->height) {
633             if (!self->strut.top && *y < a->y) *y = a->y;
634             if (!self->strut.bottom && *y + h > a->y + a->height)
635                 *y = a->y + a->height - h;
636         }
637     }
638
639     frame_frame_gravity(self->frame, x, y); /* get where the client
640                                                should be */
641
642     return ox != *x || oy != *y;
643 }
644
645 static void client_toggle_border(ObClient *self, gboolean show)
646 {
647     /* adjust our idea of where the client is, based on its border. When the
648        border is removed, the client should now be considered to be in a
649        different position.
650        when re-adding the border to the client, the same operation needs to be
651        reversed. */
652     int oldx = self->area.x, oldy = self->area.y;
653     int x = oldx, y = oldy;
654     switch(self->gravity) {
655     default:
656     case NorthWestGravity:
657     case WestGravity:
658     case SouthWestGravity:
659         break;
660     case NorthEastGravity:
661     case EastGravity:
662     case SouthEastGravity:
663         if (show) x -= self->border_width * 2;
664         else      x += self->border_width * 2;
665         break;
666     case NorthGravity:
667     case SouthGravity:
668     case CenterGravity:
669     case ForgetGravity:
670     case StaticGravity:
671         if (show) x -= self->border_width;
672         else      x += self->border_width;
673         break;
674     }
675     switch(self->gravity) {
676     default:
677     case NorthWestGravity:
678     case NorthGravity:
679     case NorthEastGravity:
680         break;
681     case SouthWestGravity:
682     case SouthGravity:
683     case SouthEastGravity:
684         if (show) y -= self->border_width * 2;
685         else      y += self->border_width * 2;
686         break;
687     case WestGravity:
688     case EastGravity:
689     case CenterGravity:
690     case ForgetGravity:
691     case StaticGravity:
692         if (show) y -= self->border_width;
693         else      y += self->border_width;
694         break;
695     }
696     self->area.x = x;
697     self->area.y = y;
698
699     if (show) {
700         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
701
702         /* move the client so it is back it the right spot _with_ its
703            border! */
704         if (x != oldx || y != oldy)
705             XMoveWindow(ob_display, self->window, x, y);
706     } else
707         XSetWindowBorderWidth(ob_display, self->window, 0);
708 }
709
710
711 static void client_get_all(ObClient *self)
712 {
713     client_get_area(self);
714     client_update_transient_for(self);
715     client_update_wmhints(self);
716     client_get_startup_id(self);
717     client_get_desktop(self);
718     client_get_state(self);
719     client_get_shaped(self);
720
721     client_get_mwm_hints(self);
722     client_get_type(self);/* this can change the mwmhints for special cases */
723
724     {
725         /* a couple type-based defaults for new windows */
726
727         /* this makes sure that these windows appear on all desktops */
728         if (self->type == OB_CLIENT_TYPE_DESKTOP)
729             self->desktop = DESKTOP_ALL;
730
731         /* dock windows default to ABOVE */
732         if (self->type == OB_CLIENT_TYPE_DOCK && !self->below)
733             self->above = TRUE;
734     }
735
736     client_update_protocols(self);
737
738     client_get_gravity(self); /* get the attribute gravity */
739     client_update_normal_hints(self); /* this may override the attribute
740                                          gravity */
741
742     /* got the type, the mwmhints, the protocols, and the normal hints
743        (min/max sizes), so we're ready to set up the decorations/functions */
744     client_setup_decor_and_functions(self);
745   
746     client_update_title(self);
747     client_update_class(self);
748     client_update_sm_client_id(self);
749     client_update_strut(self);
750     client_update_icons(self);
751 }
752
753 static void client_get_startup_id(ObClient *self)
754 {
755     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
756         if (self->group)
757             PROP_GETS(self->group->leader,
758                       net_startup_id, utf8, &self->startup_id);
759 }
760
761 static void client_get_area(ObClient *self)
762 {
763     XWindowAttributes wattrib;
764     Status ret;
765   
766     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
767     g_assert(ret != BadWindow);
768
769     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
770     self->border_width = wattrib.border_width;
771 }
772
773 static void client_get_desktop(ObClient *self)
774 {
775     guint32 d = screen_num_desktops; /* an always-invalid value */
776
777     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
778         if (d >= screen_num_desktops && d != DESKTOP_ALL)
779             self->desktop = screen_num_desktops - 1;
780         else
781             self->desktop = d;
782     } else {
783         gboolean trdesk = FALSE;
784
785         if (self->transient_for) {
786             if (self->transient_for != OB_TRAN_GROUP) {
787                 self->desktop = self->transient_for->desktop;
788                 trdesk = TRUE;
789             } else {
790                 GSList *it;
791
792                 for (it = self->group->members; it; it = it->next)
793                     if (it->data != self &&
794                         !((ObClient*)it->data)->transient_for) {
795                         self->desktop = ((ObClient*)it->data)->desktop;
796                         trdesk = TRUE;
797                         break;
798                     }
799             }
800         }
801         if (!trdesk) {
802             /* try get from the startup-notification protocol */
803             if (sn_get_desktop(self->startup_id, &self->desktop)) {
804                 if (self->desktop >= screen_num_desktops &&
805                     self->desktop != DESKTOP_ALL)
806                     self->desktop = screen_num_desktops - 1;
807             } else
808                 /* defaults to the current desktop */
809                 self->desktop = screen_desktop;
810         }
811     }
812     if (self->desktop != d) {
813         /* set the desktop hint, to make sure that it always exists */
814         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
815     }
816 }
817
818 static void client_get_state(ObClient *self)
819 {
820     guint32 *state;
821     guint num;
822   
823     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
824         gulong i;
825         for (i = 0; i < num; ++i) {
826             if (state[i] == prop_atoms.net_wm_state_modal)
827                 self->modal = TRUE;
828             else if (state[i] == prop_atoms.net_wm_state_shaded)
829                 self->shaded = TRUE;
830             else if (state[i] == prop_atoms.net_wm_state_hidden)
831                 self->iconic = TRUE;
832             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
833                 self->skip_taskbar = TRUE;
834             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
835                 self->skip_pager = TRUE;
836             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
837                 self->fullscreen = TRUE;
838             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
839                 self->max_vert = TRUE;
840             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
841                 self->max_horz = TRUE;
842             else if (state[i] == prop_atoms.net_wm_state_above)
843                 self->above = TRUE;
844             else if (state[i] == prop_atoms.net_wm_state_below)
845                 self->below = TRUE;
846             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
847                 self->undecorated = TRUE;
848         }
849
850         g_free(state);
851     }
852 }
853
854 static void client_get_shaped(ObClient *self)
855 {
856     self->shaped = FALSE;
857 #ifdef   SHAPE
858     if (extensions_shape) {
859         int foo;
860         guint ufoo;
861         int s;
862
863         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
864
865         XShapeQueryExtents(ob_display, self->window, &s, &foo,
866                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
867                            &ufoo);
868         self->shaped = (s != 0);
869     }
870 #endif
871 }
872
873 void client_update_transient_for(ObClient *self)
874 {
875     Window t = None;
876     ObClient *target = NULL;
877
878     if (XGetTransientForHint(ob_display, self->window, &t)) {
879         self->transient = TRUE;
880         if (t != self->window) { /* cant be transient to itself! */
881             target = g_hash_table_lookup(window_map, &t);
882             /* if this happens then we need to check for it*/
883             g_assert(target != self);
884             if (target && !WINDOW_IS_CLIENT(target)) {
885                 /* this can happen when a dialog is a child of
886                    a dockapp, for example */
887                 target = NULL;
888             }
889             
890             if (!target && self->group) {
891                 /* not transient to a client, see if it is transient for a
892                    group */
893                 if (t == self->group->leader ||
894                     t == None ||
895                     t == RootWindow(ob_display, ob_screen))
896                 {
897                     /* window is a transient for its group! */
898                     target = OB_TRAN_GROUP;
899                 }
900             }
901         }
902     } else
903         self->transient = FALSE;
904
905     /* if anything has changed... */
906     if (target != self->transient_for) {
907         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
908             GSList *it;
909
910             /* remove from old parents */
911             for (it = self->group->members; it; it = g_slist_next(it)) {
912                 ObClient *c = it->data;
913                 if (c != self && !c->transient_for)
914                     c->transients = g_slist_remove(c->transients, self);
915             }
916         } else if (self->transient_for != NULL) { /* transient of window */
917             /* remove from old parent */
918             self->transient_for->transients =
919                 g_slist_remove(self->transient_for->transients, self);
920         }
921         self->transient_for = target;
922         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
923             GSList *it;
924
925             /* add to new parents */
926             for (it = self->group->members; it; it = g_slist_next(it)) {
927                 ObClient *c = it->data;
928                 if (c != self && !c->transient_for)
929                     c->transients = g_slist_append(c->transients, self);
930             }
931
932             /* remove all transients which are in the group, that causes
933                circlular pointer hell of doom */
934             for (it = self->group->members; it; it = g_slist_next(it)) {
935                 GSList *sit, *next;
936                 for (sit = self->transients; sit; sit = next) {
937                     next = g_slist_next(sit);
938                     if (sit->data == it->data)
939                         self->transients =
940                             g_slist_delete_link(self->transients, sit);
941                 }
942             }
943         } else if (self->transient_for != NULL) { /* transient of window */
944             /* add to new parent */
945             self->transient_for->transients =
946                 g_slist_append(self->transient_for->transients, self);
947         }
948     }
949 }
950
951 static void client_get_mwm_hints(ObClient *self)
952 {
953     guint num;
954     guint32 *hints;
955
956     self->mwmhints.flags = 0; /* default to none */
957
958     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
959                     &hints, &num)) {
960         if (num >= OB_MWM_ELEMENTS) {
961             self->mwmhints.flags = hints[0];
962             self->mwmhints.functions = hints[1];
963             self->mwmhints.decorations = hints[2];
964         }
965         g_free(hints);
966     }
967 }
968
969 void client_get_type(ObClient *self)
970 {
971     guint num, i;
972     guint32 *val;
973
974     self->type = -1;
975   
976     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
977         /* use the first value that we know about in the array */
978         for (i = 0; i < num; ++i) {
979             if (val[i] == prop_atoms.net_wm_window_type_desktop)
980                 self->type = OB_CLIENT_TYPE_DESKTOP;
981             else if (val[i] == prop_atoms.net_wm_window_type_dock)
982                 self->type = OB_CLIENT_TYPE_DOCK;
983             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
984                 self->type = OB_CLIENT_TYPE_TOOLBAR;
985             else if (val[i] == prop_atoms.net_wm_window_type_menu)
986                 self->type = OB_CLIENT_TYPE_MENU;
987             else if (val[i] == prop_atoms.net_wm_window_type_utility)
988                 self->type = OB_CLIENT_TYPE_UTILITY;
989             else if (val[i] == prop_atoms.net_wm_window_type_splash)
990                 self->type = OB_CLIENT_TYPE_SPLASH;
991             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
992                 self->type = OB_CLIENT_TYPE_DIALOG;
993             else if (val[i] == prop_atoms.net_wm_window_type_normal)
994                 self->type = OB_CLIENT_TYPE_NORMAL;
995             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
996                 /* prevent this window from getting any decor or
997                    functionality */
998                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
999                                          OB_MWM_FLAG_DECORATIONS);
1000                 self->mwmhints.decorations = 0;
1001                 self->mwmhints.functions = 0;
1002             }
1003             if (self->type != (ObClientType) -1)
1004                 break; /* grab the first legit type */
1005         }
1006         g_free(val);
1007     }
1008     
1009     if (self->type == (ObClientType) -1) {
1010         /*the window type hint was not set, which means we either classify
1011           ourself as a normal window or a dialog, depending on if we are a
1012           transient. */
1013         if (self->transient)
1014             self->type = OB_CLIENT_TYPE_DIALOG;
1015         else
1016             self->type = OB_CLIENT_TYPE_NORMAL;
1017     }
1018 }
1019
1020 void client_update_protocols(ObClient *self)
1021 {
1022     guint32 *proto;
1023     guint num_return, i;
1024
1025     self->focus_notify = FALSE;
1026     self->delete_window = FALSE;
1027
1028     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1029         for (i = 0; i < num_return; ++i) {
1030             if (proto[i] == prop_atoms.wm_delete_window) {
1031                 /* this means we can request the window to close */
1032                 self->delete_window = TRUE;
1033             } else if (proto[i] == prop_atoms.wm_take_focus)
1034                 /* if this protocol is requested, then the window will be
1035                    notified whenever we want it to receive focus */
1036                 self->focus_notify = TRUE;
1037         }
1038         g_free(proto);
1039     }
1040 }
1041
1042 static void client_get_gravity(ObClient *self)
1043 {
1044     XWindowAttributes wattrib;
1045     Status ret;
1046
1047     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1048     g_assert(ret != BadWindow);
1049     self->gravity = wattrib.win_gravity;
1050 }
1051
1052 void client_update_normal_hints(ObClient *self)
1053 {
1054     XSizeHints size;
1055     long ret;
1056     int oldgravity = self->gravity;
1057
1058     /* defaults */
1059     self->min_ratio = 0.0f;
1060     self->max_ratio = 0.0f;
1061     SIZE_SET(self->size_inc, 1, 1);
1062     SIZE_SET(self->base_size, 0, 0);
1063     SIZE_SET(self->min_size, 0, 0);
1064     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1065
1066     /* get the hints from the window */
1067     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1068         self->positioned = !!(size.flags & (PPosition|USPosition));
1069
1070         if (size.flags & PWinGravity) {
1071             self->gravity = size.win_gravity;
1072       
1073             /* if the client has a frame, i.e. has already been mapped and
1074                is changing its gravity */
1075             if (self->frame && self->gravity != oldgravity) {
1076                 /* move our idea of the client's position based on its new
1077                    gravity */
1078                 self->area.x = self->frame->area.x;
1079                 self->area.y = self->frame->area.y;
1080                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1081             }
1082         }
1083
1084         if (size.flags & PAspect) {
1085             if (size.min_aspect.y)
1086                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
1087             if (size.max_aspect.y)
1088                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
1089         }
1090
1091         if (size.flags & PMinSize)
1092             SIZE_SET(self->min_size, size.min_width, size.min_height);
1093     
1094         if (size.flags & PMaxSize)
1095             SIZE_SET(self->max_size, size.max_width, size.max_height);
1096     
1097         if (size.flags & PBaseSize)
1098             SIZE_SET(self->base_size, size.base_width, size.base_height);
1099     
1100         if (size.flags & PResizeInc)
1101             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1102     }
1103 }
1104
1105 void client_setup_decor_and_functions(ObClient *self)
1106 {
1107     /* start with everything (cept fullscreen) */
1108     self->decorations =
1109         (OB_FRAME_DECOR_TITLEBAR |
1110          (ob_rr_theme->show_handle ? OB_FRAME_DECOR_HANDLE : 0) |
1111          OB_FRAME_DECOR_GRIPS |
1112          OB_FRAME_DECOR_BORDER |
1113          OB_FRAME_DECOR_ICON |
1114          OB_FRAME_DECOR_ALLDESKTOPS |
1115          OB_FRAME_DECOR_ICONIFY |
1116          OB_FRAME_DECOR_MAXIMIZE |
1117          OB_FRAME_DECOR_SHADE |
1118          OB_FRAME_DECOR_CLOSE);
1119     self->functions =
1120         (OB_CLIENT_FUNC_RESIZE |
1121          OB_CLIENT_FUNC_MOVE |
1122          OB_CLIENT_FUNC_ICONIFY |
1123          OB_CLIENT_FUNC_MAXIMIZE |
1124          OB_CLIENT_FUNC_SHADE |
1125          OB_CLIENT_FUNC_CLOSE);
1126
1127     if (!(self->min_size.width < self->max_size.width ||
1128           self->min_size.height < self->max_size.height))
1129         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1130
1131     switch (self->type) {
1132     case OB_CLIENT_TYPE_NORMAL:
1133         /* normal windows retain all of the possible decorations and
1134            functionality, and are the only windows that you can fullscreen */
1135         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1136         break;
1137
1138     case OB_CLIENT_TYPE_DIALOG:
1139     case OB_CLIENT_TYPE_UTILITY:
1140         /* these windows cannot be maximized */
1141         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1142         break;
1143
1144     case OB_CLIENT_TYPE_MENU:
1145     case OB_CLIENT_TYPE_TOOLBAR:
1146         /* these windows get less functionality */
1147         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1148         break;
1149
1150     case OB_CLIENT_TYPE_DESKTOP:
1151     case OB_CLIENT_TYPE_DOCK:
1152     case OB_CLIENT_TYPE_SPLASH:
1153         /* none of these windows are manipulated by the window manager */
1154         self->decorations = 0;
1155         self->functions = 0;
1156         break;
1157     }
1158
1159     /* Mwm Hints are applied subtractively to what has already been chosen for
1160        decor and functionality */
1161     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1162         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1163             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1164                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1165                 /* if the mwm hints request no handle or title, then all
1166                    decorations are disabled */
1167                 self->decorations = 0;
1168         }
1169     }
1170
1171     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1172         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1173             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1174                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1175             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1176                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1177             /* dont let mwm hints kill any buttons
1178                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1179                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1180                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1181                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1182             */
1183             /* dont let mwm hints kill the close button
1184                if (! (self->mwmhints.functions & MwmFunc_Close))
1185                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1186             }
1187     }
1188
1189     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1190         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1191     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1192         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1193     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1194         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1195
1196     /* can't maximize without moving/resizing */
1197     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1198           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1199           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1200         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1201         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1202     }
1203
1204     /* kill the handle on fully maxed windows */
1205     if (self->max_vert && self->max_horz)
1206         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1207
1208     /* finally, the user can have requested no decorations, which overrides
1209        everything (but doesnt give it a border if it doesnt have one) */
1210     if (self->undecorated)
1211         self->decorations &= OB_FRAME_DECOR_BORDER;
1212
1213     /* if we don't have a titlebar, then we cannot shade! */
1214     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1215         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1216
1217     /* now we need to check against rules for the client's current state */
1218     if (self->fullscreen) {
1219         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1220                             OB_CLIENT_FUNC_FULLSCREEN |
1221                             OB_CLIENT_FUNC_ICONIFY);
1222         self->decorations = 0;
1223     }
1224
1225     client_change_allowed_actions(self);
1226
1227     if (self->frame) {
1228         /* adjust the client's decorations, etc. */
1229         client_reconfigure(self);
1230     }
1231 }
1232
1233 static void client_change_allowed_actions(ObClient *self)
1234 {
1235     guint32 actions[9];
1236     int num = 0;
1237
1238     /* desktop windows are kept on all desktops */
1239     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1240         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1241
1242     if (self->functions & OB_CLIENT_FUNC_SHADE)
1243         actions[num++] = prop_atoms.net_wm_action_shade;
1244     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1245         actions[num++] = prop_atoms.net_wm_action_close;
1246     if (self->functions & OB_CLIENT_FUNC_MOVE)
1247         actions[num++] = prop_atoms.net_wm_action_move;
1248     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1249         actions[num++] = prop_atoms.net_wm_action_minimize;
1250     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1251         actions[num++] = prop_atoms.net_wm_action_resize;
1252     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1253         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1254     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1255         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1256         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1257     }
1258
1259     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1260
1261     /* make sure the window isn't breaking any rules now */
1262
1263     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1264         if (self->frame) client_shade(self, FALSE);
1265         else self->shaded = FALSE;
1266     }
1267     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1268         if (self->frame) client_iconify(self, FALSE, TRUE);
1269         else self->iconic = FALSE;
1270     }
1271     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1272         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1273         else self->fullscreen = FALSE;
1274     }
1275     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1276                                                          self->max_vert)) {
1277         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1278         else self->max_vert = self->max_horz = FALSE;
1279     }
1280 }
1281
1282 void client_reconfigure(ObClient *self)
1283 {
1284     /* by making this pass FALSE for user, we avoid the emacs event storm where
1285        every configurenotify causes an update in its normal hints, i think this
1286        is generally what we want anyways... */
1287     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1288                      self->area.width, self->area.height, FALSE, TRUE);
1289 }
1290
1291 void client_update_wmhints(ObClient *self)
1292 {
1293     XWMHints *hints;
1294     gboolean ur = FALSE;
1295     GSList *it;
1296
1297     /* assume a window takes input if it doesnt specify */
1298     self->can_focus = TRUE;
1299   
1300     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1301         if (hints->flags & InputHint)
1302             self->can_focus = hints->input;
1303
1304         /* only do this when first managing the window *AND* when we aren't
1305            starting up! */
1306         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1307             if (hints->flags & StateHint)
1308                 self->iconic = hints->initial_state == IconicState;
1309
1310         if (hints->flags & XUrgencyHint)
1311             ur = TRUE;
1312
1313         if (!(hints->flags & WindowGroupHint))
1314             hints->window_group = None;
1315
1316         /* did the group state change? */
1317         if (hints->window_group !=
1318             (self->group ? self->group->leader : None)) {
1319             /* remove from the old group if there was one */
1320             if (self->group != NULL) {
1321                 /* remove transients of the group */
1322                 for (it = self->group->members; it; it = it->next)
1323                     self->transients = g_slist_remove(self->transients,
1324                                                       it->data);
1325
1326                 /* remove myself from parents in the group */
1327                 if (self->transient_for == OB_TRAN_GROUP) {
1328                     for (it = self->group->members; it; it = it->next) {
1329                         ObClient *c = it->data;
1330
1331                         if (c != self && !c->transient_for)
1332                             c->transients = g_slist_remove(c->transients,
1333                                                            self);
1334                     }
1335                 }
1336
1337                 group_remove(self->group, self);
1338                 self->group = NULL;
1339             }
1340             if (hints->window_group != None) {
1341                 self->group = group_add(hints->window_group, self);
1342
1343                 /* i can only have transients from the group if i am not
1344                    transient myself */
1345                 if (!self->transient_for) {
1346                     /* add other transients of the group that are already
1347                        set up */
1348                     for (it = self->group->members; it; it = it->next) {
1349                         ObClient *c = it->data;
1350                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1351                             self->transients =
1352                                 g_slist_append(self->transients, c);
1353                     }
1354                 }
1355             }
1356
1357             /* because the self->transient flag wont change from this call,
1358                we don't need to update the window's type and such, only its
1359                transient_for, and the transients lists of other windows in
1360                the group may be affected */
1361             client_update_transient_for(self);
1362         }
1363
1364         /* the WM_HINTS can contain an icon */
1365         client_update_icons(self);
1366
1367         XFree(hints);
1368     }
1369
1370     if (ur != self->urgent) {
1371         self->urgent = ur;
1372         /* fire the urgent callback if we're mapped, otherwise, wait until
1373            after we're mapped */
1374         if (self->frame)
1375             client_urgent_notify(self);
1376     }
1377 }
1378
1379 void client_update_title(ObClient *self)
1380 {
1381     GList *it;
1382     guint32 nums;
1383     guint i;
1384     gchar *data = NULL;
1385     gboolean read_title;
1386     gchar *old_title;
1387
1388     old_title = self->title;
1389      
1390     /* try netwm */
1391     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1392         /* try old x stuff */
1393         if (!PROP_GETS(self->window, wm_name, locale, &data))
1394             data = g_strdup("Unnamed Window");
1395
1396     /* did the title change? then reset the title_count */
1397     if (old_title && 0 != strncmp(old_title, data, strlen(data)))
1398         self->title_count = 1;
1399
1400     /* look for duplicates and append a number */
1401     nums = 0;
1402     for (it = client_list; it; it = it->next)
1403         if (it->data != self) {
1404             ObClient *c = it->data;
1405             if (0 == strncmp(c->title, data, strlen(data)))
1406                 nums |= 1 << c->title_count;
1407         }
1408     /* find first free number */
1409     for (i = 1; i <= 32; ++i)
1410         if (!(nums & (1 << i))) {
1411             if (self->title_count == 1 || i == 1)
1412                 self->title_count = i;
1413             break;
1414         }
1415     /* dont display the number for the first window */
1416     if (self->title_count > 1) {
1417         char *ndata;
1418         ndata = g_strdup_printf("%s - [%u]", data, self->title_count);
1419         g_free(data);
1420         data = ndata;
1421     }
1422
1423     PROP_SETS(self->window, net_wm_visible_name, data);
1424
1425     self->title = data;
1426
1427     if (self->frame)
1428         frame_adjust_title(self->frame);
1429
1430     g_free(old_title);
1431
1432     /* update the icon title */
1433     data = NULL;
1434     g_free(self->icon_title);
1435
1436     read_title = TRUE;
1437     /* try netwm */
1438     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1439         /* try old x stuff */
1440         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1441             data = g_strdup(self->title);
1442             read_title = FALSE;
1443         }
1444
1445     /* append the title count, dont display the number for the first window */
1446     if (read_title && self->title_count > 1) {
1447         char *vdata, *ndata;
1448         ndata = g_strdup_printf(" - [%u]", self->title_count);
1449         vdata = g_strconcat(data, ndata, NULL);
1450         g_free(ndata);
1451         g_free(data);
1452         data = vdata;
1453     }
1454
1455     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1456
1457     self->icon_title = data;
1458 }
1459
1460 void client_update_class(ObClient *self)
1461 {
1462     char **data;
1463     char *s;
1464
1465     if (self->name) g_free(self->name);
1466     if (self->class) g_free(self->class);
1467     if (self->role) g_free(self->role);
1468
1469     self->name = self->class = self->role = NULL;
1470
1471     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1472         if (data[0]) {
1473             self->name = g_strdup(data[0]);
1474             if (data[1])
1475                 self->class = g_strdup(data[1]);
1476         }
1477         g_strfreev(data);     
1478     }
1479
1480     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1481         self->role = s;
1482
1483     if (self->name == NULL) self->name = g_strdup("");
1484     if (self->class == NULL) self->class = g_strdup("");
1485     if (self->role == NULL) self->role = g_strdup("");
1486 }
1487
1488 void client_update_strut(ObClient *self)
1489 {
1490     guint num;
1491     guint32 *data;
1492     gboolean got = FALSE;
1493     StrutPartial strut;
1494
1495     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1496                     &data, &num)) {
1497         if (num == 12) {
1498             got = TRUE;
1499             STRUT_PARTIAL_SET(strut,
1500                               data[0], data[2], data[1], data[3],
1501                               data[4], data[5], data[8], data[9],
1502                               data[6], data[7], data[10], data[11]);
1503         }
1504         g_free(data);
1505     }
1506
1507     if (!got &&
1508         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1509         if (num == 4) {
1510             got = TRUE;
1511             STRUT_PARTIAL_SET(strut,
1512                               data[0], data[2], data[1], data[3],
1513                               0, 0, 0, 0, 0, 0, 0, 0);
1514         }
1515         g_free(data);
1516     }
1517
1518     if (!got)
1519         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1520                           0, 0, 0, 0, 0, 0, 0, 0);
1521
1522     if (!STRUT_EQUAL(strut, self->strut)) {
1523         self->strut = strut;
1524
1525         /* updating here is pointless while we're being mapped cuz we're not in
1526            the client list yet */
1527         if (self->frame)
1528             screen_update_areas();
1529     }
1530 }
1531
1532 void client_update_icons(ObClient *self)
1533 {
1534     guint num;
1535     guint32 *data;
1536     guint w, h, i, j;
1537
1538     for (i = 0; i < self->nicons; ++i)
1539         g_free(self->icons[i].data);
1540     if (self->nicons > 0)
1541         g_free(self->icons);
1542     self->nicons = 0;
1543
1544     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1545         /* figure out how many valid icons are in here */
1546         i = 0;
1547         while (num - i > 2) {
1548             w = data[i++];
1549             h = data[i++];
1550             i += w * h;
1551             if (i > num || w*h == 0) break;
1552             ++self->nicons;
1553         }
1554
1555         self->icons = g_new(ObClientIcon, self->nicons);
1556     
1557         /* store the icons */
1558         i = 0;
1559         for (j = 0; j < self->nicons; ++j) {
1560             guint x, y, t;
1561
1562             w = self->icons[j].width = data[i++];
1563             h = self->icons[j].height = data[i++];
1564
1565             if (w*h == 0) continue;
1566
1567             self->icons[j].data = g_new(RrPixel32, w * h);
1568             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1569                 if (x >= w) {
1570                     x = 0;
1571                     ++y;
1572                 }
1573                 self->icons[j].data[t] =
1574                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1575                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1576                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1577                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1578             }
1579             g_assert(i <= num);
1580         }
1581
1582         g_free(data);
1583     } else if (PROP_GETA32(self->window, kwm_win_icon,
1584                            kwm_win_icon, &data, &num)) {
1585         if (num == 2) {
1586             self->nicons++;
1587             self->icons = g_new(ObClientIcon, self->nicons);
1588             xerror_set_ignore(TRUE);
1589             if (!RrPixmapToRGBA(ob_rr_inst,
1590                                 data[0], data[1],
1591                                 &self->icons[self->nicons-1].width,
1592                                 &self->icons[self->nicons-1].height,
1593                                 &self->icons[self->nicons-1].data)) {
1594                 g_free(&self->icons[self->nicons-1]);
1595                 self->nicons--;
1596             }
1597             xerror_set_ignore(FALSE);
1598         }
1599         g_free(data);
1600     } else {
1601         XWMHints *hints;
1602
1603         if ((hints = XGetWMHints(ob_display, self->window))) {
1604             if (hints->flags & IconPixmapHint) {
1605                 self->nicons++;
1606                 self->icons = g_new(ObClientIcon, self->nicons);
1607                 xerror_set_ignore(TRUE);
1608                 if (!RrPixmapToRGBA(ob_rr_inst,
1609                                     hints->icon_pixmap,
1610                                     (hints->flags & IconMaskHint ?
1611                                      hints->icon_mask : None),
1612                                     &self->icons[self->nicons-1].width,
1613                                     &self->icons[self->nicons-1].height,
1614                                     &self->icons[self->nicons-1].data)){
1615                     g_free(&self->icons[self->nicons-1]);
1616                     self->nicons--;
1617                 }
1618                 xerror_set_ignore(FALSE);
1619             }
1620             XFree(hints);
1621         }
1622     }
1623
1624     if (self->frame)
1625         frame_adjust_icon(self->frame);
1626 }
1627
1628 static void client_change_state(ObClient *self)
1629 {
1630     guint32 state[2];
1631     guint32 netstate[11];
1632     guint num;
1633
1634     state[0] = self->wmstate;
1635     state[1] = None;
1636     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1637
1638     num = 0;
1639     if (self->modal)
1640         netstate[num++] = prop_atoms.net_wm_state_modal;
1641     if (self->shaded)
1642         netstate[num++] = prop_atoms.net_wm_state_shaded;
1643     if (self->iconic)
1644         netstate[num++] = prop_atoms.net_wm_state_hidden;
1645     if (self->skip_taskbar)
1646         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1647     if (self->skip_pager)
1648         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1649     if (self->fullscreen)
1650         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1651     if (self->max_vert)
1652         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1653     if (self->max_horz)
1654         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1655     if (self->above)
1656         netstate[num++] = prop_atoms.net_wm_state_above;
1657     if (self->below)
1658         netstate[num++] = prop_atoms.net_wm_state_below;
1659     if (self->undecorated)
1660         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
1661     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1662
1663     client_calc_layer(self);
1664
1665     if (self->frame)
1666         frame_adjust_state(self->frame);
1667 }
1668
1669 ObClient *client_search_focus_tree(ObClient *self)
1670 {
1671     GSList *it;
1672     ObClient *ret;
1673
1674     for (it = self->transients; it != NULL; it = it->next) {
1675         if (client_focused(it->data)) return it->data;
1676         if ((ret = client_search_focus_tree(it->data))) return ret;
1677     }
1678     return NULL;
1679 }
1680
1681 ObClient *client_search_focus_tree_full(ObClient *self)
1682 {
1683     if (self->transient_for) {
1684         if (self->transient_for != OB_TRAN_GROUP) {
1685             return client_search_focus_tree_full(self->transient_for);
1686         } else {
1687             GSList *it;
1688             gboolean recursed = FALSE;
1689         
1690             for (it = self->group->members; it; it = it->next)
1691                 if (!((ObClient*)it->data)->transient_for) {
1692                     ObClient *c;
1693                     if ((c = client_search_focus_tree_full(it->data)))
1694                         return c;
1695                     recursed = TRUE;
1696                 }
1697             if (recursed)
1698                 return NULL;
1699         }
1700     }
1701
1702     /* this function checks the whole tree, the client_search_focus_tree~
1703        does not, so we need to check this window */
1704     if (client_focused(self))
1705         return self;
1706     return client_search_focus_tree(self);
1707 }
1708
1709 static ObStackingLayer calc_layer(ObClient *self)
1710 {
1711     ObStackingLayer l;
1712
1713     if (self->fullscreen &&
1714         (client_focused(self) || client_search_focus_tree(self)))
1715         l = OB_STACKING_LAYER_FULLSCREEN;
1716     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1717         l = OB_STACKING_LAYER_DESKTOP;
1718     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1719         if (self->above) l = OB_STACKING_LAYER_DOCK_ABOVE;
1720         else if (self->below) l = OB_STACKING_LAYER_DOCK_BELOW;
1721         else l = OB_STACKING_LAYER_NORMAL;
1722     }
1723     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1724     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1725     else l = OB_STACKING_LAYER_NORMAL;
1726
1727     return l;
1728 }
1729
1730 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1731                                         ObStackingLayer l, gboolean raised)
1732 {
1733     ObStackingLayer old, own;
1734     GSList *it;
1735
1736     old = self->layer;
1737     own = calc_layer(self);
1738     self->layer = l > own ? l : own;
1739
1740     for (it = self->transients; it; it = it->next)
1741         client_calc_layer_recursive(it->data, orig,
1742                                     l, raised ? raised : l != old);
1743
1744     if (!raised && l != old)
1745         if (orig->frame) { /* only restack if the original window is managed */
1746             /* XXX add_non_intrusive ever? */
1747             stacking_remove(CLIENT_AS_WINDOW(self));
1748             stacking_add(CLIENT_AS_WINDOW(self));
1749         }
1750 }
1751
1752 void client_calc_layer(ObClient *self)
1753 {
1754     ObStackingLayer l;
1755     ObClient *orig;
1756
1757     orig = self;
1758
1759     /* transients take on the layer of their parents */
1760     self = client_search_top_transient(self);
1761
1762     l = calc_layer(self);
1763
1764     client_calc_layer_recursive(self, orig, l, FALSE);
1765 }
1766
1767 gboolean client_should_show(ObClient *self)
1768 {
1769     if (self->iconic) return FALSE;
1770     else if (!(self->desktop == screen_desktop ||
1771                self->desktop == DESKTOP_ALL)) return FALSE;
1772     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1773     
1774     return TRUE;
1775 }
1776
1777 static void client_showhide(ObClient *self)
1778 {
1779
1780     if (client_should_show(self))
1781         frame_show(self->frame);
1782     else
1783         frame_hide(self->frame);
1784 }
1785
1786 gboolean client_normal(ObClient *self) {
1787     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1788               self->type == OB_CLIENT_TYPE_DOCK ||
1789               self->type == OB_CLIENT_TYPE_SPLASH);
1790 }
1791
1792 static void client_apply_startup_state(ObClient *self)
1793 {
1794     /* these are in a carefully crafted order.. */
1795
1796     if (self->iconic) {
1797         self->iconic = FALSE;
1798         client_iconify(self, TRUE, FALSE);
1799     }
1800     if (self->fullscreen) {
1801         self->fullscreen = FALSE;
1802         client_fullscreen(self, TRUE, FALSE);
1803     }
1804     if (self->undecorated) {
1805         self->undecorated = FALSE;
1806         client_set_undecorated(self, TRUE);
1807     }
1808     if (self->shaded) {
1809         self->shaded = FALSE;
1810         client_shade(self, TRUE);
1811     }
1812     if (self->urgent)
1813         client_urgent_notify(self);
1814   
1815     if (self->max_vert && self->max_horz) {
1816         self->max_vert = self->max_horz = FALSE;
1817         client_maximize(self, TRUE, 0, FALSE);
1818     } else if (self->max_vert) {
1819         self->max_vert = FALSE;
1820         client_maximize(self, TRUE, 2, FALSE);
1821     } else if (self->max_horz) {
1822         self->max_horz = FALSE;
1823         client_maximize(self, TRUE, 1, FALSE);
1824     }
1825
1826     /* nothing to do for the other states:
1827        skip_taskbar
1828        skip_pager
1829        modal
1830        above
1831        below
1832     */
1833 }
1834
1835 void client_configure_full(ObClient *self, ObCorner anchor,
1836                            int x, int y, int w, int h,
1837                            gboolean user, gboolean final,
1838                            gboolean force_reply)
1839 {
1840     gint oldw, oldh;
1841     gboolean send_resize_client;
1842     gboolean moved = FALSE, resized = FALSE;
1843     guint fdecor = self->frame->decorations;
1844     gboolean fhorz = self->frame->max_horz;
1845
1846     /* make the frame recalculate its dimentions n shit without changing
1847        anything visible for real, this way the constraints below can work with
1848        the updated frame dimensions. */
1849     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
1850
1851     /* gets the frame's position */
1852     frame_client_gravity(self->frame, &x, &y);
1853
1854     /* these positions are frame positions, not client positions */
1855
1856     /* set the size and position if fullscreen */
1857     if (self->fullscreen) {
1858 #ifdef VIDMODE
1859         int dot;
1860         XF86VidModeModeLine mode;
1861 #endif
1862         Rect *a;
1863         guint i;
1864
1865         i = client_monitor(self);
1866         a = screen_physical_area_monitor(i);
1867
1868 #ifdef VIDMODE
1869         if (i == 0 && /* primary head */
1870             extensions_vidmode &&
1871             XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y) &&
1872             /* get the mode last so the mode.privsize isnt freed incorrectly */
1873             XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1874             x += a->x;
1875             y += a->y;
1876             w = mode.hdisplay;
1877             h = mode.vdisplay;
1878             if (mode.privsize) XFree(mode.private);
1879         } else
1880 #endif
1881         {
1882             x = a->x;
1883             y = a->y;
1884             w = a->width;
1885             h = a->height;
1886         }
1887
1888         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1889     } else {
1890         Rect *a;
1891
1892         a = screen_area_monitor(self->desktop, client_monitor(self));
1893
1894         /* set the size and position if maximized */
1895         if (self->max_horz) {
1896             x = a->x;
1897             w = a->width - self->frame->size.left - self->frame->size.right;
1898         }
1899         if (self->max_vert) {
1900             y = a->y;
1901             h = a->height - self->frame->size.top - self->frame->size.bottom;
1902         }
1903     }
1904
1905     /* gets the client's position */
1906     frame_frame_gravity(self->frame, &x, &y);
1907
1908     /* these override the above states! if you cant move you can't move! */
1909     if (user) {
1910         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
1911             x = self->area.x;
1912             y = self->area.y;
1913         }
1914         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
1915             w = self->area.width;
1916             h = self->area.height;
1917         }
1918     }
1919
1920     if (!(w == self->area.width && h == self->area.height)) {
1921         int basew, baseh, minw, minh;
1922
1923         /* base size is substituted with min size if not specified */
1924         if (self->base_size.width || self->base_size.height) {
1925             basew = self->base_size.width;
1926             baseh = self->base_size.height;
1927         } else {
1928             basew = self->min_size.width;
1929             baseh = self->min_size.height;
1930         }
1931         /* min size is substituted with base size if not specified */
1932         if (self->min_size.width || self->min_size.height) {
1933             minw = self->min_size.width;
1934             minh = self->min_size.height;
1935         } else {
1936             minw = self->base_size.width;
1937             minh = self->base_size.height;
1938         }
1939
1940         /* if this is a user-requested resize, then check against min/max
1941            sizes */
1942
1943         /* smaller than min size or bigger than max size? */
1944         if (w > self->max_size.width) w = self->max_size.width;
1945         if (w < minw) w = minw;
1946         if (h > self->max_size.height) h = self->max_size.height;
1947         if (h < minh) h = minh;
1948
1949         w -= basew;
1950         h -= baseh;
1951
1952         /* keep to the increments */
1953         w /= self->size_inc.width;
1954         h /= self->size_inc.height;
1955
1956         /* you cannot resize to nothing */
1957         if (basew + w < 1) w = 1 - basew;
1958         if (baseh + h < 1) h = 1 - baseh;
1959   
1960         /* store the logical size */
1961         SIZE_SET(self->logical_size,
1962                  self->size_inc.width > 1 ? w : w + basew,
1963                  self->size_inc.height > 1 ? h : h + baseh);
1964
1965         w *= self->size_inc.width;
1966         h *= self->size_inc.height;
1967
1968         w += basew;
1969         h += baseh;
1970
1971         /* adjust the height to match the width for the aspect ratios.
1972            for this, min size is not substituted for base size ever. */
1973         w -= self->base_size.width;
1974         h -= self->base_size.height;
1975
1976         if (self->min_ratio)
1977             if (h * self->min_ratio > w) {
1978                 h = (int)(w / self->min_ratio);
1979
1980                 /* you cannot resize to nothing */
1981                 if (h < 1) {
1982                     h = 1;
1983                     w = (int)(h * self->min_ratio);
1984                 }
1985             }
1986         if (self->max_ratio)
1987             if (h * self->max_ratio < w) {
1988                 h = (int)(w / self->max_ratio);
1989
1990                 /* you cannot resize to nothing */
1991                 if (h < 1) {
1992                     h = 1;
1993                     w = (int)(h * self->min_ratio);
1994                 }
1995             }
1996
1997         w += self->base_size.width;
1998         h += self->base_size.height;
1999     }
2000
2001     g_assert(w > 0);
2002     g_assert(h > 0);
2003
2004     switch (anchor) {
2005     case OB_CORNER_TOPLEFT:
2006         break;
2007     case OB_CORNER_TOPRIGHT:
2008         x -= w - self->area.width;
2009         break;
2010     case OB_CORNER_BOTTOMLEFT:
2011         y -= h - self->area.height;
2012         break;
2013     case OB_CORNER_BOTTOMRIGHT:
2014         x -= w - self->area.width;
2015         y -= h - self->area.height;
2016         break;
2017     }
2018
2019     moved = x != self->area.x || y != self->area.y;
2020     resized = w != self->area.width || h != self->area.height;
2021
2022     oldw = self->area.width;
2023     oldh = self->area.height;
2024     RECT_SET(self->area, x, y, w, h);
2025
2026     /* for app-requested resizes, always resize if 'resized' is true.
2027        for user-requested ones, only resize if final is true, or when
2028        resizing in redraw mode */
2029     send_resize_client = ((!user && resized) ||
2030                           (user && (final ||
2031                                     (resized && config_redraw_resize))));
2032
2033     /* if the client is enlarging, the resize the client before the frame */
2034     if (send_resize_client && user && (w > oldw || h > oldh))
2035         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
2036
2037     /* move/resize the frame to match the request */
2038     if (self->frame) {
2039         if (self->decorations != fdecor || self->max_horz != fhorz)
2040             moved = resized = TRUE;
2041
2042         if (moved || resized)
2043             frame_adjust_area(self->frame, moved, resized, FALSE);
2044
2045         if (!resized && (force_reply || ((!user && moved) || (user && final))))
2046         {
2047             XEvent event;
2048             event.type = ConfigureNotify;
2049             event.xconfigure.display = ob_display;
2050             event.xconfigure.event = self->window;
2051             event.xconfigure.window = self->window;
2052
2053             /* root window real coords */
2054             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
2055                 self->border_width;
2056             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
2057                 self->border_width;
2058             event.xconfigure.width = w;
2059             event.xconfigure.height = h;
2060             event.xconfigure.border_width = 0;
2061             event.xconfigure.above = self->frame->plate;
2062             event.xconfigure.override_redirect = FALSE;
2063             XSendEvent(event.xconfigure.display, event.xconfigure.window,
2064                        FALSE, StructureNotifyMask, &event);
2065         }
2066     }
2067
2068     /* if the client is shrinking, then resize the frame before the client */
2069     if (send_resize_client && (!user || (w <= oldw || h <= oldh)))
2070         XResizeWindow(ob_display, self->window, w, h);
2071
2072     XFlush(ob_display);
2073 }
2074
2075 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
2076 {
2077     int x, y, w, h;
2078
2079     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2080         self->fullscreen == fs) return;                   /* already done */
2081
2082     self->fullscreen = fs;
2083     client_change_state(self); /* change the state hints on the client,
2084                                   and adjust out layer/stacking */
2085
2086     if (fs) {
2087         if (savearea)
2088             self->pre_fullscreen_area = self->area;
2089
2090         /* these are not actually used cuz client_configure will set them
2091            as appropriate when the window is fullscreened */
2092         x = y = w = h = 0;
2093     } else {
2094         Rect *a;
2095
2096         if (self->pre_fullscreen_area.width > 0 &&
2097             self->pre_fullscreen_area.height > 0)
2098         {
2099             x = self->pre_fullscreen_area.x;
2100             y = self->pre_fullscreen_area.y;
2101             w = self->pre_fullscreen_area.width;
2102             h = self->pre_fullscreen_area.height;
2103             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2104         } else {
2105             /* pick some fallbacks... */
2106             a = screen_area_monitor(self->desktop, 0);
2107             x = a->x + a->width / 4;
2108             y = a->y + a->height / 4;
2109             w = a->width / 2;
2110             h = a->height / 2;
2111         }
2112     }
2113
2114     client_setup_decor_and_functions(self);
2115
2116     client_move_resize(self, x, y, w, h);
2117
2118     /* try focus us when we go into fullscreen mode */
2119     client_focus(self);
2120 }
2121
2122 static void client_iconify_recursive(ObClient *self,
2123                                      gboolean iconic, gboolean curdesk)
2124 {
2125     GSList *it;
2126     gboolean changed = FALSE;
2127
2128
2129     if (self->iconic != iconic) {
2130         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2131                  self->window);
2132
2133         self->iconic = iconic;
2134
2135         if (iconic) {
2136             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2137                 long old;
2138
2139                 old = self->wmstate;
2140                 self->wmstate = IconicState;
2141                 if (old != self->wmstate)
2142                     PROP_MSG(self->window, kde_wm_change_state,
2143                              self->wmstate, 1, 0, 0);
2144
2145                 self->ignore_unmaps++;
2146                 /* we unmap the client itself so that we can get MapRequest
2147                    events, and because the ICCCM tells us to! */
2148                 XUnmapWindow(ob_display, self->window);
2149
2150                 /* update the focus lists.. iconic windows go to the bottom of
2151                    the list, put the new iconic window at the 'top of the
2152                    bottom'. */
2153                 focus_order_to_top(self);
2154
2155                 changed = TRUE;
2156             }
2157         } else {
2158             long old;
2159
2160             if (curdesk)
2161                 client_set_desktop(self, screen_desktop, FALSE);
2162
2163             old = self->wmstate;
2164             self->wmstate = self->shaded ? IconicState : NormalState;
2165             if (old != self->wmstate)
2166                 PROP_MSG(self->window, kde_wm_change_state,
2167                          self->wmstate, 1, 0, 0);
2168
2169             XMapWindow(ob_display, self->window);
2170
2171             /* this puts it after the current focused window */
2172             focus_order_remove(self);
2173             focus_order_add_new(self);
2174
2175             /* this is here cuz with the VIDMODE extension, the viewport can
2176                change while a fullscreen window is iconic, and when it
2177                uniconifies, it would be nice if it did so to the new position
2178                of the viewport */
2179             client_reconfigure(self);
2180
2181             changed = TRUE;
2182         }
2183     }
2184
2185     if (changed) {
2186         client_change_state(self);
2187         client_showhide(self);
2188         screen_update_areas();
2189     }
2190
2191     /* iconify all transients */
2192     for (it = self->transients; it != NULL; it = it->next)
2193         if (it->data != self) client_iconify_recursive(it->data,
2194                                                        iconic, curdesk);
2195 }
2196
2197 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2198 {
2199     /* move up the transient chain as far as possible first */
2200     self = client_search_top_transient(self);
2201
2202     client_iconify_recursive(client_search_top_transient(self),
2203                              iconic, curdesk);
2204 }
2205
2206 void client_maximize(ObClient *self, gboolean max, int dir, gboolean savearea)
2207 {
2208     int x, y, w, h;
2209      
2210     g_assert(dir == 0 || dir == 1 || dir == 2);
2211     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2212
2213     /* check if already done */
2214     if (max) {
2215         if (dir == 0 && self->max_horz && self->max_vert) return;
2216         if (dir == 1 && self->max_horz) return;
2217         if (dir == 2 && self->max_vert) return;
2218     } else {
2219         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2220         if (dir == 1 && !self->max_horz) return;
2221         if (dir == 2 && !self->max_vert) return;
2222     }
2223
2224     /* we just tell it to configure in the same place and client_configure
2225        worries about filling the screen with the window */
2226     x = self->area.x;
2227     y = self->area.y;
2228     w = self->area.width;
2229     h = self->area.height;
2230
2231     if (max) {
2232         if (savearea) {
2233             if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2234                 RECT_SET(self->pre_max_area,
2235                          self->area.x, self->pre_max_area.y,
2236                          self->area.width, self->pre_max_area.height);
2237             }
2238             if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2239                 RECT_SET(self->pre_max_area,
2240                          self->pre_max_area.x, self->area.y,
2241                          self->pre_max_area.width, self->area.height);
2242             }
2243         }
2244     } else {
2245         Rect *a;
2246
2247         a = screen_area_monitor(self->desktop, 0);
2248         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2249             if (self->pre_max_area.width > 0) {
2250                 x = self->pre_max_area.x;
2251                 w = self->pre_max_area.width;
2252
2253                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2254                          0, self->pre_max_area.height);
2255             } else {
2256                 /* pick some fallbacks... */
2257                 x = a->x + a->width / 4;
2258                 w = a->width / 2;
2259             }
2260         }
2261         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2262             if (self->pre_max_area.height > 0) {
2263                 y = self->pre_max_area.y;
2264                 h = self->pre_max_area.height;
2265
2266                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2267                          self->pre_max_area.width, 0);
2268             } else {
2269                 /* pick some fallbacks... */
2270                 y = a->y + a->height / 4;
2271                 h = a->height / 2;
2272             }
2273         }
2274     }
2275
2276     if (dir == 0 || dir == 1) /* horz */
2277         self->max_horz = max;
2278     if (dir == 0 || dir == 2) /* vert */
2279         self->max_vert = max;
2280
2281     client_change_state(self); /* change the state hints on the client */
2282
2283     client_setup_decor_and_functions(self);
2284
2285     client_move_resize(self, x, y, w, h);
2286 }
2287
2288 void client_shade(ObClient *self, gboolean shade)
2289 {
2290     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2291          shade) ||                         /* can't shade */
2292         self->shaded == shade) return;     /* already done */
2293
2294     /* when we're iconic, don't change the wmstate */
2295     if (!self->iconic) {
2296         long old;
2297
2298         old = self->wmstate;
2299         self->wmstate = shade ? IconicState : NormalState;
2300         if (old != self->wmstate)
2301             PROP_MSG(self->window, kde_wm_change_state,
2302                      self->wmstate, 1, 0, 0);
2303     }
2304
2305     self->shaded = shade;
2306     client_change_state(self);
2307     /* resize the frame to just the titlebar */
2308     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2309 }
2310
2311 void client_close(ObClient *self)
2312 {
2313     XEvent ce;
2314
2315     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2316
2317     /* in the case that the client provides no means to requesting that it
2318        close, we just kill it */
2319     if (!self->delete_window)
2320         client_kill(self);
2321     
2322     /*
2323       XXX: itd be cool to do timeouts and shit here for killing the client's
2324       process off
2325       like... if the window is around after 5 seconds, then the close button
2326       turns a nice red, and if this function is called again, the client is
2327       explicitly killed.
2328     */
2329
2330     ce.xclient.type = ClientMessage;
2331     ce.xclient.message_type =  prop_atoms.wm_protocols;
2332     ce.xclient.display = ob_display;
2333     ce.xclient.window = self->window;
2334     ce.xclient.format = 32;
2335     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2336     ce.xclient.data.l[1] = event_lasttime;
2337     ce.xclient.data.l[2] = 0l;
2338     ce.xclient.data.l[3] = 0l;
2339     ce.xclient.data.l[4] = 0l;
2340     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2341 }
2342
2343 void client_kill(ObClient *self)
2344 {
2345     XKillClient(ob_display, self->window);
2346 }
2347
2348 void client_set_desktop_recursive(ObClient *self,
2349                                   guint target, gboolean donthide)
2350 {
2351     guint old;
2352     GSList *it;
2353
2354     if (target != self->desktop) {
2355
2356         ob_debug("Setting desktop %u\n", target+1);
2357
2358         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2359
2360         /* remove from the old desktop(s) */
2361         focus_order_remove(self);
2362
2363         old = self->desktop;
2364         self->desktop = target;
2365         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2366         /* the frame can display the current desktop state */
2367         frame_adjust_state(self->frame);
2368         /* 'move' the window to the new desktop */
2369         if (!donthide)
2370             client_showhide(self);
2371         /* raise if it was not already on the desktop */
2372         if (old != DESKTOP_ALL)
2373             client_raise(self);
2374         screen_update_areas();
2375
2376         /* add to the new desktop(s) */
2377         if (config_focus_new)
2378             focus_order_to_top(self);
2379         else
2380             focus_order_to_bottom(self);
2381     }
2382
2383     /* move all transients */
2384     for (it = self->transients; it != NULL; it = it->next)
2385         if (it->data != self) client_set_desktop_recursive(it->data,
2386                                                            target, donthide);
2387 }
2388
2389 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2390 {
2391     client_set_desktop_recursive(client_search_top_transient(self),
2392                                  target, donthide);
2393 }
2394
2395 ObClient *client_search_modal_child(ObClient *self)
2396 {
2397     GSList *it;
2398     ObClient *ret;
2399   
2400     for (it = self->transients; it != NULL; it = it->next) {
2401         ObClient *c = it->data;
2402         if ((ret = client_search_modal_child(c))) return ret;
2403         if (c->modal) return c;
2404     }
2405     return NULL;
2406 }
2407
2408 gboolean client_validate(ObClient *self)
2409 {
2410     XEvent e; 
2411
2412     XSync(ob_display, FALSE); /* get all events on the server */
2413
2414     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2415         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2416         XPutBackEvent(ob_display, &e);
2417         return FALSE;
2418     }
2419
2420     return TRUE;
2421 }
2422
2423 void client_set_wm_state(ObClient *self, long state)
2424 {
2425     if (state == self->wmstate) return; /* no change */
2426   
2427     switch (state) {
2428     case IconicState:
2429         client_iconify(self, TRUE, TRUE);
2430         break;
2431     case NormalState:
2432         client_iconify(self, FALSE, TRUE);
2433         break;
2434     }
2435 }
2436
2437 void client_set_state(ObClient *self, Atom action, long data1, long data2)
2438 {
2439     gboolean shaded = self->shaded;
2440     gboolean fullscreen = self->fullscreen;
2441     gboolean undecorated = self->undecorated;
2442     gboolean max_horz = self->max_horz;
2443     gboolean max_vert = self->max_vert;
2444     int i;
2445
2446     if (!(action == prop_atoms.net_wm_state_add ||
2447           action == prop_atoms.net_wm_state_remove ||
2448           action == prop_atoms.net_wm_state_toggle))
2449         /* an invalid action was passed to the client message, ignore it */
2450         return; 
2451
2452     for (i = 0; i < 2; ++i) {
2453         Atom state = i == 0 ? data1 : data2;
2454     
2455         if (!state) continue;
2456
2457         /* if toggling, then pick whether we're adding or removing */
2458         if (action == prop_atoms.net_wm_state_toggle) {
2459             if (state == prop_atoms.net_wm_state_modal)
2460                 action = self->modal ? prop_atoms.net_wm_state_remove :
2461                     prop_atoms.net_wm_state_add;
2462             else if (state == prop_atoms.net_wm_state_maximized_vert)
2463                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2464                     prop_atoms.net_wm_state_add;
2465             else if (state == prop_atoms.net_wm_state_maximized_horz)
2466                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2467                     prop_atoms.net_wm_state_add;
2468             else if (state == prop_atoms.net_wm_state_shaded)
2469                 action = shaded ? prop_atoms.net_wm_state_remove :
2470                     prop_atoms.net_wm_state_add;
2471             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2472                 action = self->skip_taskbar ?
2473                     prop_atoms.net_wm_state_remove :
2474                     prop_atoms.net_wm_state_add;
2475             else if (state == prop_atoms.net_wm_state_skip_pager)
2476                 action = self->skip_pager ?
2477                     prop_atoms.net_wm_state_remove :
2478                     prop_atoms.net_wm_state_add;
2479             else if (state == prop_atoms.net_wm_state_fullscreen)
2480                 action = fullscreen ?
2481                     prop_atoms.net_wm_state_remove :
2482                     prop_atoms.net_wm_state_add;
2483             else if (state == prop_atoms.net_wm_state_above)
2484                 action = self->above ? prop_atoms.net_wm_state_remove :
2485                     prop_atoms.net_wm_state_add;
2486             else if (state == prop_atoms.net_wm_state_below)
2487                 action = self->below ? prop_atoms.net_wm_state_remove :
2488                     prop_atoms.net_wm_state_add;
2489             else if (state == prop_atoms.ob_wm_state_undecorated)
2490                 action = undecorated ? prop_atoms.net_wm_state_remove :
2491                     prop_atoms.net_wm_state_add;
2492         }
2493     
2494         if (action == prop_atoms.net_wm_state_add) {
2495             if (state == prop_atoms.net_wm_state_modal) {
2496                 /* XXX raise here or something? */
2497                 self->modal = TRUE;
2498             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2499                 max_vert = TRUE;
2500             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2501                 max_horz = TRUE;
2502             } else if (state == prop_atoms.net_wm_state_shaded) {
2503                 shaded = TRUE;
2504             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2505                 self->skip_taskbar = TRUE;
2506             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2507                 self->skip_pager = TRUE;
2508             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2509                 fullscreen = TRUE;
2510             } else if (state == prop_atoms.net_wm_state_above) {
2511                 self->above = TRUE;
2512             } else if (state == prop_atoms.net_wm_state_below) {
2513                 self->below = TRUE;
2514             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2515                 undecorated = TRUE;
2516             }
2517
2518         } else { /* action == prop_atoms.net_wm_state_remove */
2519             if (state == prop_atoms.net_wm_state_modal) {
2520                 self->modal = FALSE;
2521             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2522                 max_vert = FALSE;
2523             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2524                 max_horz = FALSE;
2525             } else if (state == prop_atoms.net_wm_state_shaded) {
2526                 shaded = FALSE;
2527             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2528                 self->skip_taskbar = FALSE;
2529             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2530                 self->skip_pager = FALSE;
2531             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2532                 fullscreen = FALSE;
2533             } else if (state == prop_atoms.net_wm_state_above) {
2534                 self->above = FALSE;
2535             } else if (state == prop_atoms.net_wm_state_below) {
2536                 self->below = FALSE;
2537             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2538                 undecorated = FALSE;
2539             }
2540         }
2541     }
2542     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2543         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2544             /* toggling both */
2545             if (max_horz == max_vert) { /* both going the same way */
2546                 client_maximize(self, max_horz, 0, TRUE);
2547             } else {
2548                 client_maximize(self, max_horz, 1, TRUE);
2549                 client_maximize(self, max_vert, 2, TRUE);
2550             }
2551         } else {
2552             /* toggling one */
2553             if (max_horz != self->max_horz)
2554                 client_maximize(self, max_horz, 1, TRUE);
2555             else
2556                 client_maximize(self, max_vert, 2, TRUE);
2557         }
2558     }
2559     /* change fullscreen state before shading, as it will affect if the window
2560        can shade or not */
2561     if (fullscreen != self->fullscreen)
2562         client_fullscreen(self, fullscreen, TRUE);
2563     if (shaded != self->shaded)
2564         client_shade(self, shaded);
2565     if (undecorated != self->undecorated)
2566         client_set_undecorated(self, undecorated);
2567     client_calc_layer(self);
2568     client_change_state(self); /* change the hint to reflect these changes */
2569 }
2570
2571 ObClient *client_focus_target(ObClient *self)
2572 {
2573     ObClient *child;
2574      
2575     /* if we have a modal child, then focus it, not us */
2576     child = client_search_modal_child(client_search_top_transient(self));
2577     if (child) return child;
2578     return self;
2579 }
2580
2581 gboolean client_can_focus(ObClient *self)
2582 {
2583     XEvent ev;
2584
2585     /* choose the correct target */
2586     self = client_focus_target(self);
2587
2588     if (!self->frame->visible)
2589         return FALSE;
2590
2591     if (!(self->can_focus || self->focus_notify))
2592         return FALSE;
2593
2594     /* do a check to see if the window has already been unmapped or destroyed
2595        do this intelligently while watching out for unmaps we've generated
2596        (ignore_unmaps > 0) */
2597     if (XCheckTypedWindowEvent(ob_display, self->window,
2598                                DestroyNotify, &ev)) {
2599         XPutBackEvent(ob_display, &ev);
2600         return FALSE;
2601     }
2602     while (XCheckTypedWindowEvent(ob_display, self->window,
2603                                   UnmapNotify, &ev)) {
2604         if (self->ignore_unmaps) {
2605             self->ignore_unmaps--;
2606         } else {
2607             XPutBackEvent(ob_display, &ev);
2608             return FALSE;
2609         }
2610     }
2611
2612     return TRUE;
2613 }
2614
2615 gboolean client_focus(ObClient *self)
2616 {
2617     /* choose the correct target */
2618     self = client_focus_target(self);
2619
2620     if (!client_can_focus(self)) {
2621         if (!self->frame->visible) {
2622             /* update the focus lists */
2623             focus_order_to_top(self);
2624         }
2625         return FALSE;
2626     }
2627
2628     if (self->can_focus) {
2629         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2630            I choose to use it always, hopefully to find errors quicker, if any
2631            are left. (I hate X. I hate focus events.)
2632            
2633            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2634            #799. So now it is RevertToNone again.
2635         */
2636         XSetInputFocus(ob_display, self->window, RevertToNone,
2637                        event_lasttime);
2638     }
2639
2640     if (self->focus_notify) {
2641         XEvent ce;
2642         ce.xclient.type = ClientMessage;
2643         ce.xclient.message_type = prop_atoms.wm_protocols;
2644         ce.xclient.display = ob_display;
2645         ce.xclient.window = self->window;
2646         ce.xclient.format = 32;
2647         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2648         ce.xclient.data.l[1] = event_lasttime;
2649         ce.xclient.data.l[2] = 0l;
2650         ce.xclient.data.l[3] = 0l;
2651         ce.xclient.data.l[4] = 0l;
2652         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2653     }
2654
2655 #ifdef DEBUG_FOCUS
2656     ob_debug("%sively focusing %lx at %d\n",
2657              (self->can_focus ? "act" : "pass"),
2658              self->window, (int) event_lasttime);
2659 #endif
2660
2661     /* Cause the FocusIn to come back to us. Important for desktop switches,
2662        since otherwise we'll have no FocusIn on the queue and send it off to
2663        the focus_backup. */
2664     XSync(ob_display, FALSE);
2665     return TRUE;
2666 }
2667
2668 void client_unfocus(ObClient *self)
2669 {
2670     if (focus_client == self) {
2671 #ifdef DEBUG_FOCUS
2672         ob_debug("client_unfocus for %lx\n", self->window);
2673 #endif
2674         focus_fallback(OB_FOCUS_FALLBACK_UNFOCUSING);
2675     }
2676 }
2677
2678 void client_activate(ObClient *self, gboolean here)
2679 {
2680     if (client_normal(self) && screen_showing_desktop)
2681         screen_show_desktop(FALSE);
2682     if (self->iconic)
2683         client_iconify(self, FALSE, here);
2684     if (self->desktop != DESKTOP_ALL &&
2685         self->desktop != screen_desktop) {
2686         if (here)
2687             client_set_desktop(self, screen_desktop, FALSE);
2688         else
2689             screen_set_desktop(self->desktop);
2690     } else if (!self->frame->visible)
2691         /* if its not visible for other reasons, then don't mess
2692            with it */
2693         return;
2694     if (self->shaded)
2695         client_shade(self, FALSE);
2696
2697     client_focus(self);
2698
2699     /* we do this an action here. this is rather important. this is because
2700        we want the results from the focus change to take place BEFORE we go
2701        about raising the window. when a fullscreen window loses focus, we need
2702        this or else the raise wont be able to raise above the to-lose-focus
2703        fullscreen window. */
2704     client_raise(self);
2705 }
2706
2707 void client_raise(ObClient *self)
2708 {
2709     action_run_string("Raise", self);
2710 }
2711
2712 void client_lower(ObClient *self)
2713 {
2714     action_run_string("Raise", self);
2715 }
2716
2717 gboolean client_focused(ObClient *self)
2718 {
2719     return self == focus_client;
2720 }
2721
2722 static ObClientIcon* client_icon_recursive(ObClient *self, int w, int h)
2723 {
2724     guint i;
2725     /* si is the smallest image >= req */
2726     /* li is the largest image < req */
2727     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2728
2729     if (!self->nicons) {
2730         ObClientIcon *parent = NULL;
2731
2732         if (self->transient_for) {
2733             if (self->transient_for != OB_TRAN_GROUP)
2734                 parent = client_icon_recursive(self->transient_for, w, h);
2735             else {
2736                 GSList *it;
2737                 for (it = self->group->members; it; it = g_slist_next(it)) {
2738                     ObClient *c = it->data;
2739                     if (c != self && !c->transient_for) {
2740                         if ((parent = client_icon_recursive(c, w, h)))
2741                             break;
2742                     }
2743                 }
2744             }
2745         }
2746         
2747         return parent;
2748     }
2749
2750     for (i = 0; i < self->nicons; ++i) {
2751         size = self->icons[i].width * self->icons[i].height;
2752         if (size < smallest && size >= (unsigned)(w * h)) {
2753             smallest = size;
2754             si = i;
2755         }
2756         if (size > largest && size <= (unsigned)(w * h)) {
2757             largest = size;
2758             li = i;
2759         }
2760     }
2761     if (largest == 0) /* didnt find one smaller than the requested size */
2762         return &self->icons[si];
2763     return &self->icons[li];
2764 }
2765
2766 const ObClientIcon* client_icon(ObClient *self, int w, int h)
2767 {
2768     ObClientIcon *ret;
2769     static ObClientIcon deficon;
2770
2771     if (!(ret = client_icon_recursive(self, w, h))) {
2772         deficon.width = deficon.height = 48;
2773         deficon.data = ob_rr_theme->def_win_icon;
2774         ret = &deficon;
2775     }
2776     return ret;
2777 }
2778
2779 /* this be mostly ripped from fvwm */
2780 ObClient *client_find_directional(ObClient *c, ObDirection dir) 
2781 {
2782     int my_cx, my_cy, his_cx, his_cy;
2783     int offset = 0;
2784     int distance = 0;
2785     int score, best_score;
2786     ObClient *best_client, *cur;
2787     GList *it;
2788
2789     if(!client_list)
2790         return NULL;
2791
2792     /* first, find the centre coords of the currently focused window */
2793     my_cx = c->frame->area.x + c->frame->area.width / 2;
2794     my_cy = c->frame->area.y + c->frame->area.height / 2;
2795
2796     best_score = -1;
2797     best_client = NULL;
2798
2799     for(it = g_list_first(client_list); it; it = it->next) {
2800         cur = it->data;
2801
2802         /* the currently selected window isn't interesting */
2803         if(cur == c)
2804             continue;
2805         if (!client_normal(cur))
2806             continue;
2807         if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2808             continue;
2809         if(cur->iconic)
2810             continue;
2811         if(client_focus_target(cur) == cur &&
2812            !(cur->can_focus || cur->focus_notify))
2813             continue;
2814
2815         /* find the centre coords of this window, from the
2816          * currently focused window's point of view */
2817         his_cx = (cur->frame->area.x - my_cx)
2818             + cur->frame->area.width / 2;
2819         his_cy = (cur->frame->area.y - my_cy)
2820             + cur->frame->area.height / 2;
2821
2822         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
2823            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
2824             int tx;
2825             /* Rotate the diagonals 45 degrees counterclockwise.
2826              * To do this, multiply the matrix /+h +h\ with the
2827              * vector (x y).                   \-h +h/
2828              * h = sqrt(0.5). We can set h := 1 since absolute
2829              * distance doesn't matter here. */
2830             tx = his_cx + his_cy;
2831             his_cy = -his_cx + his_cy;
2832             his_cx = tx;
2833         }
2834
2835         switch(dir) {
2836         case OB_DIRECTION_NORTH:
2837         case OB_DIRECTION_SOUTH:
2838         case OB_DIRECTION_NORTHEAST:
2839         case OB_DIRECTION_SOUTHWEST:
2840             offset = (his_cx < 0) ? -his_cx : his_cx;
2841             distance = ((dir == OB_DIRECTION_NORTH ||
2842                          dir == OB_DIRECTION_NORTHEAST) ?
2843                         -his_cy : his_cy);
2844             break;
2845         case OB_DIRECTION_EAST:
2846         case OB_DIRECTION_WEST:
2847         case OB_DIRECTION_SOUTHEAST:
2848         case OB_DIRECTION_NORTHWEST:
2849             offset = (his_cy < 0) ? -his_cy : his_cy;
2850             distance = ((dir == OB_DIRECTION_WEST ||
2851                          dir == OB_DIRECTION_NORTHWEST) ?
2852                         -his_cx : his_cx);
2853             break;
2854         }
2855
2856         /* the target must be in the requested direction */
2857         if(distance <= 0)
2858             continue;
2859
2860         /* Calculate score for this window.  The smaller the better. */
2861         score = distance + offset;
2862
2863         /* windows more than 45 degrees off the direction are
2864          * heavily penalized and will only be chosen if nothing
2865          * else within a million pixels */
2866         if(offset > distance)
2867             score += 1000000;
2868
2869         if(best_score == -1 || score < best_score)
2870             best_client = cur,
2871                 best_score = score;
2872     }
2873
2874     return best_client;
2875 }
2876
2877 void client_set_layer(ObClient *self, int layer)
2878 {
2879     if (layer < 0) {
2880         self->below = TRUE;
2881         self->above = FALSE;
2882     } else if (layer == 0) {
2883         self->below = self->above = FALSE;
2884     } else {
2885         self->below = FALSE;
2886         self->above = TRUE;
2887     }
2888     client_calc_layer(self);
2889     client_change_state(self); /* reflect this in the state hints */
2890 }
2891
2892 void client_set_undecorated(ObClient *self, gboolean undecorated)
2893 {
2894     if (self->undecorated != undecorated) {
2895         self->undecorated = undecorated;
2896         client_setup_decor_and_functions(self);
2897         client_change_state(self); /* reflect this in the state hints */
2898     }
2899 }
2900
2901 guint client_monitor(ObClient *self)
2902 {
2903     guint i;
2904
2905     for (i = 0; i < screen_num_monitors; ++i) {
2906         Rect *area = screen_physical_area_monitor(i);
2907         if (RECT_INTERSECTS_RECT(*area, self->frame->area))
2908             break;
2909     }
2910     if (i == screen_num_monitors) i = 0;
2911     g_assert(i < screen_num_monitors);
2912     return i;
2913 }
2914
2915 ObClient *client_search_top_transient(ObClient *self)
2916 {
2917     /* move up the transient chain as far as possible */
2918     if (self->transient_for) {
2919         if (self->transient_for != OB_TRAN_GROUP) {
2920             return client_search_top_transient(self->transient_for);
2921         } else {
2922             GSList *it;
2923
2924             g_assert(self->group);
2925
2926             for (it = self->group->members; it; it = it->next) {
2927                 ObClient *c = it->data;
2928
2929                 /* checking transient_for prevents infinate loops! */
2930                 if (c != self && !c->transient_for)
2931                     break;
2932             }
2933             if (it)
2934                 return it->data;
2935         }
2936     }
2937
2938     return self;
2939 }
2940
2941 ObClient *client_search_focus_parent(ObClient *self)
2942 {
2943     if (self->transient_for) {
2944         if (self->transient_for != OB_TRAN_GROUP) {
2945             if (client_focused(self->transient_for))
2946                 return self->transient_for;
2947         } else {
2948             GSList *it;
2949
2950             for (it = self->group->members; it; it = it->next) {
2951                 ObClient *c = it->data;
2952
2953                 /* checking transient_for prevents infinate loops! */
2954                 if (c != self && !c->transient_for)
2955                     if (client_focused(c))
2956                         return c;
2957             }
2958         }
2959     }
2960
2961     return NULL;
2962 }
2963
2964 ObClient *client_search_parent(ObClient *self, ObClient *search)
2965 {
2966     if (self->transient_for) {
2967         if (self->transient_for != OB_TRAN_GROUP) {
2968             if (self->transient_for == search)
2969                 return search;
2970         } else {
2971             GSList *it;
2972
2973             for (it = self->group->members; it; it = it->next) {
2974                 ObClient *c = it->data;
2975
2976                 /* checking transient_for prevents infinate loops! */
2977                 if (c != self && !c->transient_for)
2978                     if (c == search)
2979                         return search;
2980             }
2981         }
2982     }
2983
2984     return NULL;
2985 }
2986
2987 ObClient *client_search_transient(ObClient *self, ObClient *search)
2988 {
2989     GSList *sit;
2990
2991     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
2992         if (sit->data == search)
2993             return search;
2994         if (client_search_transient(sit->data, search))
2995             return search;
2996     }
2997     return NULL;
2998 }
2999
3000 void client_update_sm_client_id(ObClient *self)
3001 {
3002     g_free(self->sm_client_id);
3003     self->sm_client_id = NULL;
3004
3005     if (!PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id) &&
3006         self->group)
3007         PROP_GETS(self->group->leader, sm_client_id, locale,
3008                   &self->sm_client_id);
3009 }
3010
3011 /* finds the nearest edge in the given direction from the current client
3012  * note to self: the edge is the -frame- edge (the actual one), not the
3013  * client edge.
3014  */
3015 int client_directional_edge_search(ObClient *c, ObDirection dir)
3016 {
3017     int dest;
3018     int my_edge_start, my_edge_end, my_offset;
3019     GList *it;
3020     Rect *a;
3021     
3022     if(!client_list)
3023         return -1;
3024
3025     a = screen_area(c->desktop);
3026
3027     switch(dir) {
3028     case OB_DIRECTION_NORTH:
3029         my_edge_start = c->frame->area.x;
3030         my_edge_end = c->frame->area.x + c->frame->area.width;
3031         my_offset = c->frame->area.y;
3032         
3033         /* default: top of screen */
3034         dest = a->y;
3035
3036         for(it = g_list_first(client_list); it; it = it->next) {
3037             int his_edge_start, his_edge_end, his_offset;
3038             ObClient *cur = it->data;
3039
3040             if(cur == c)
3041                 continue;
3042             if(!client_normal(cur))
3043                 continue;
3044             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3045                 continue;
3046             if(cur->iconic)
3047                 continue;
3048
3049             his_edge_start = cur->frame->area.x;
3050             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3051             his_offset = cur->frame->area.y + cur->frame->area.height;
3052
3053             if(his_offset + 1 > my_offset)
3054                 continue;
3055
3056             if(his_offset < dest)
3057                 continue;
3058             
3059             if(his_edge_start >= my_edge_start &&
3060                his_edge_start <= my_edge_end)
3061                 dest = his_offset;
3062
3063             if(my_edge_start >= his_edge_start &&
3064                my_edge_start <= his_edge_end)
3065                 dest = his_offset;
3066
3067         }
3068         break;
3069     case OB_DIRECTION_SOUTH:
3070         my_edge_start = c->frame->area.x;
3071         my_edge_end = c->frame->area.x + c->frame->area.width;
3072         my_offset = c->frame->area.y + c->frame->area.height;
3073
3074         /* default: bottom of screen */
3075         dest = a->y + a->height;
3076
3077         for(it = g_list_first(client_list); it; it = it->next) {
3078             int his_edge_start, his_edge_end, his_offset;
3079             ObClient *cur = it->data;
3080
3081             if(cur == c)
3082                 continue;
3083             if(!client_normal(cur))
3084                 continue;
3085             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3086                 continue;
3087             if(cur->iconic)
3088                 continue;
3089
3090             his_edge_start = cur->frame->area.x;
3091             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3092             his_offset = cur->frame->area.y;
3093
3094
3095             if(his_offset - 1 < my_offset)
3096                 continue;
3097             
3098             if(his_offset > dest)
3099                 continue;
3100             
3101             if(his_edge_start >= my_edge_start &&
3102                his_edge_start <= my_edge_end)
3103                 dest = his_offset;
3104
3105             if(my_edge_start >= his_edge_start &&
3106                my_edge_start <= his_edge_end)
3107                 dest = his_offset;
3108
3109         }
3110         break;
3111     case OB_DIRECTION_WEST:
3112         my_edge_start = c->frame->area.y;
3113         my_edge_end = c->frame->area.y + c->frame->area.height;
3114         my_offset = c->frame->area.x;
3115
3116         /* default: leftmost egde of screen */
3117         dest = a->x;
3118
3119         for(it = g_list_first(client_list); it; it = it->next) {
3120             int his_edge_start, his_edge_end, his_offset;
3121             ObClient *cur = it->data;
3122
3123             if(cur == c)
3124                 continue;
3125             if(!client_normal(cur))
3126                 continue;
3127             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3128                 continue;
3129             if(cur->iconic)
3130                 continue;
3131
3132             his_edge_start = cur->frame->area.y;
3133             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3134             his_offset = cur->frame->area.x + cur->frame->area.width;
3135
3136             if(his_offset + 1 > my_offset)
3137                 continue;
3138             
3139             if(his_offset < dest)
3140                 continue;
3141             
3142             if(his_edge_start >= my_edge_start &&
3143                his_edge_start <= my_edge_end)
3144                 dest = his_offset;
3145
3146             if(my_edge_start >= his_edge_start &&
3147                my_edge_start <= his_edge_end)
3148                 dest = his_offset;
3149                 
3150
3151         }
3152         break;
3153     case OB_DIRECTION_EAST:
3154         my_edge_start = c->frame->area.y;
3155         my_edge_end = c->frame->area.y + c->frame->area.height;
3156         my_offset = c->frame->area.x + c->frame->area.width;
3157         
3158         /* default: rightmost edge of screen */
3159         dest = a->x + a->width;
3160
3161         for(it = g_list_first(client_list); it; it = it->next) {
3162             int his_edge_start, his_edge_end, his_offset;
3163             ObClient *cur = it->data;
3164
3165             if(cur == c)
3166                 continue;
3167             if(!client_normal(cur))
3168                 continue;
3169             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3170                 continue;
3171             if(cur->iconic)
3172                 continue;
3173
3174             his_edge_start = cur->frame->area.y;
3175             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3176             his_offset = cur->frame->area.x;
3177
3178             if(his_offset - 1 < my_offset)
3179                 continue;
3180             
3181             if(his_offset > dest)
3182                 continue;
3183             
3184             if(his_edge_start >= my_edge_start &&
3185                his_edge_start <= my_edge_end)
3186                 dest = his_offset;
3187
3188             if(my_edge_start >= his_edge_start &&
3189                my_edge_start <= his_edge_end)
3190                 dest = his_offset;
3191
3192         }
3193         break;
3194     case OB_DIRECTION_NORTHEAST:
3195     case OB_DIRECTION_SOUTHEAST:
3196     case OB_DIRECTION_NORTHWEST:
3197     case OB_DIRECTION_SOUTHWEST:
3198         /* not implemented */
3199     default:
3200         g_assert_not_reached();
3201     }
3202     return dest;
3203 }
3204
3205 ObClient* client_under_pointer()
3206 {
3207     int x, y;
3208     GList *it;
3209     ObClient *ret = NULL;
3210
3211     if (screen_pointer_pos(&x, &y)) {
3212         for (it = stacking_list; it != NULL; it = it->next) {
3213             if (WINDOW_IS_CLIENT(it->data)) {
3214                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3215                 if (c->frame->visible &&
3216                     RECT_CONTAINS(c->frame->area, x, y)) {
3217                     ret = c;
3218                     break;
3219                 }
3220             }
3221         }
3222     }
3223     return ret;
3224 }
3225
3226 gboolean client_has_group_siblings(ObClient *self)
3227 {
3228     return self->group && self->group->members->next;
3229 }