grab the pointer accross actions run by the applications, the same as for
[mikachu/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) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "client.h"
21 #include "debug.h"
22 #include "startupnotify.h"
23 #include "dock.h"
24 #include "xerror.h"
25 #include "screen.h"
26 #include "moveresize.h"
27 #include "place.h"
28 #include "prop.h"
29 #include "extensions.h"
30 #include "frame.h"
31 #include "session.h"
32 #include "event.h"
33 #include "grab.h"
34 #include "focus.h"
35 #include "propwin.h"
36 #include "stacking.h"
37 #include "openbox.h"
38 #include "group.h"
39 #include "config.h"
40 #include "menuframe.h"
41 #include "keyboard.h"
42 #include "mouse.h"
43 #include "render/render.h"
44
45 #ifdef HAVE_UNISTD_H
46 #  include <unistd.h>
47 #endif
48
49 #include <glib.h>
50 #include <X11/Xutil.h>
51
52 /*! The event mask to grab on client windows */
53 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
54                           ColormapChangeMask)
55
56 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
57                                 ButtonMotionMask)
58
59 typedef struct
60 {
61     ObClientCallback func;
62     gpointer data;
63 } ClientCallback;
64
65 GList            *client_list          = NULL;
66
67 static GSList *client_destroy_notifies = NULL;
68
69 static void client_get_all(ObClient *self, gboolean real);
70 static void client_toggle_border(ObClient *self, gboolean show);
71 static void client_get_startup_id(ObClient *self);
72 static void client_get_session_ids(ObClient *self);
73 static void client_get_area(ObClient *self);
74 static void client_get_desktop(ObClient *self);
75 static void client_get_state(ObClient *self);
76 static void client_get_shaped(ObClient *self);
77 static void client_get_mwm_hints(ObClient *self);
78 static void client_get_colormap(ObClient *self);
79 static void client_change_allowed_actions(ObClient *self);
80 static void client_change_state(ObClient *self);
81 static void client_change_wm_state(ObClient *self);
82 static void client_apply_startup_state(ObClient *self);
83 static void client_restore_session_state(ObClient *self);
84 static gboolean client_restore_session_stacking(ObClient *self);
85 static ObAppSettings *client_get_settings_state(ObClient *self);
86 static void client_update_transient_tree(ObClient *self,
87                                          ObGroup *oldgroup, ObGroup *newgroup,
88                                          ObClient* oldparent,
89                                          ObClient *newparent);
90 static void client_present(ObClient *self, gboolean here, gboolean raise);
91 static GSList *client_search_all_top_parents_internal(ObClient *self,
92                                                       gboolean bylayer,
93                                                       ObStackingLayer layer);
94 static void client_call_notifies(ObClient *self, GSList *list);
95
96 void client_startup(gboolean reconfig)
97 {
98     if (reconfig) return;
99
100     client_set_list();
101 }
102
103 void client_shutdown(gboolean reconfig)
104 {
105     if (reconfig) return;
106 }
107
108 static void client_call_notifies(ObClient *self, GSList *list)
109 {
110     GSList *it;
111
112     for (it = list; it; it = g_slist_next(it)) {
113         ClientCallback *d = it->data;
114         d->func(self, d->data);
115     }
116 }
117
118 void client_add_destroy_notify(ObClientCallback func, gpointer data)
119 {
120     ClientCallback *d = g_new(ClientCallback, 1);
121     d->func = func;
122     d->data = data;
123     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
124 }
125
126 void client_remove_destroy_notify(ObClientCallback func)
127 {
128     GSList *it;
129
130     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
131         ClientCallback *d = it->data;
132         if (d->func == func) {
133             g_free(d);
134             client_destroy_notifies =
135                 g_slist_delete_link(client_destroy_notifies, it);
136             break;
137         }
138     }
139 }
140
141 void client_set_list()
142 {
143     Window *windows, *win_it;
144     GList *it;
145     guint size = g_list_length(client_list);
146
147     /* create an array of the window ids */
148     if (size > 0) {
149         windows = g_new(Window, size);
150         win_it = windows;
151         for (it = client_list; it; it = g_list_next(it), ++win_it)
152             *win_it = ((ObClient*)it->data)->window;
153     } else
154         windows = NULL;
155
156     PROP_SETA32(RootWindow(ob_display, ob_screen),
157                 net_client_list, window, (gulong*)windows, size);
158
159     if (windows)
160         g_free(windows);
161
162     stacking_set_list();
163 }
164
165 /*
166   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
167   {
168   GSList *it;
169
170   for (it = self->transients; it; it = g_slist_next(it)) {
171   if (!func(it->data, data)) return;
172   client_foreach_transient(it->data, func, data);
173   }
174   }
175
176   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
177   {
178   if (self->transient_for) {
179   if (self->transient_for != OB_TRAN_GROUP) {
180   if (!func(self->transient_for, data)) return;
181   client_foreach_ancestor(self->transient_for, func, data);
182   } else {
183   GSList *it;
184
185   for (it = self->group->members; it; it = g_slist_next(it))
186   if (it->data != self &&
187   !((ObClient*)it->data)->transient_for) {
188   if (!func(it->data, data)) return;
189   client_foreach_ancestor(it->data, func, data);
190   }
191   }
192   }
193   }
194 */
195
196 void client_manage_all()
197 {
198     guint i, j, nchild;
199     Window w, *children;
200     XWMHints *wmhints;
201     XWindowAttributes attrib;
202
203     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
204                &w, &w, &children, &nchild);
205
206     /* remove all icon windows from the list */
207     for (i = 0; i < nchild; i++) {
208         if (children[i] == None) continue;
209         wmhints = XGetWMHints(ob_display, children[i]);
210         if (wmhints) {
211             if ((wmhints->flags & IconWindowHint) &&
212                 (wmhints->icon_window != children[i]))
213                 for (j = 0; j < nchild; j++)
214                     if (children[j] == wmhints->icon_window) {
215                         children[j] = None;
216                         break;
217                     }
218             XFree(wmhints);
219         }
220     }
221
222     for (i = 0; i < nchild; ++i) {
223         if (children[i] == None)
224             continue;
225         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
226             if (attrib.override_redirect) continue;
227
228             if (attrib.map_state != IsUnmapped)
229                 client_manage(children[i]);
230         }
231     }
232     XFree(children);
233 }
234
235 void client_manage(Window window)
236 {
237     ObClient *self;
238     XEvent e;
239     XWindowAttributes attrib;
240     XSetWindowAttributes attrib_set;
241     XWMHints *wmhint;
242     gboolean activate = FALSE;
243     ObAppSettings *settings;
244
245     grab_server(TRUE);
246
247     /* check if it has already been unmapped by the time we started
248        mapping. the grab does a sync so we don't have to here */
249     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
250         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
251     {
252         XPutBackEvent(ob_display, &e);
253
254         ob_debug("Trying to manage unmapped window. Aborting that.\n");
255         grab_server(FALSE);
256         return; /* don't manage it */
257     }
258
259     /* make sure it isn't an override-redirect window */
260     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
261         attrib.override_redirect)
262     {
263         grab_server(FALSE);
264         return; /* don't manage it */
265     }
266   
267     /* is the window a docking app */
268     if ((wmhint = XGetWMHints(ob_display, window))) {
269         if ((wmhint->flags & StateHint) &&
270             wmhint->initial_state == WithdrawnState)
271         {
272             dock_add(window, wmhint);
273             grab_server(FALSE);
274             XFree(wmhint);
275             return;
276         }
277         XFree(wmhint);
278     }
279
280     ob_debug("Managing window: %lx\n", window);
281
282     /* choose the events we want to receive on the CLIENT window */
283     attrib_set.event_mask = CLIENT_EVENTMASK;
284     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
285     XChangeWindowAttributes(ob_display, window,
286                             CWEventMask|CWDontPropagate, &attrib_set);
287
288     /* create the ObClient struct, and populate it from the hints on the
289        window */
290     self = g_new0(ObClient, 1);
291     self->obwin.type = Window_Client;
292     self->window = window;
293
294     /* non-zero defaults */
295     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
296     self->gravity = NorthWestGravity;
297     self->desktop = screen_num_desktops; /* always an invalid value */
298     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
299
300     /* get all the stuff off the window */
301     client_get_all(self, TRUE);
302
303     /* specify that if we exit, the window should not be destroyed and
304        should be reparented back to root automatically */
305     XChangeSaveSet(ob_display, window, SetModeInsert);
306
307     /* create the decoration frame for the client window */
308     self->frame = frame_new(self);
309
310     frame_grab_client(self->frame);
311
312     /* we've grabbed everything and set everything that we need to at mapping
313        time now */
314     grab_server(FALSE);
315
316     /* per-app settings override stuff from client_get_all, and return the
317        settings for other uses too */
318     settings = client_get_settings_state(self);
319     /* the session should get the last say thought */
320     client_restore_session_state(self);
321
322     /* now we have all of the window's information so we can set this up */
323     client_setup_decor_and_functions(self);
324
325     /* remove the client's border (and adjust re gravity) */
326     client_toggle_border(self, FALSE);
327      
328     {
329         Time t = sn_app_started(self->startup_id, self->class);
330         if (t) self->user_time = t;
331     }
332
333     /* do this after we have a frame.. it uses the frame to help determine the
334        WM_STATE to apply. */
335     client_change_state(self);
336
337     /* add ourselves to the focus order */
338     focus_order_add_new(self);
339
340     /* do this to add ourselves to the stacking list in a non-intrusive way */
341     client_calc_layer(self);
342
343     /* focus the new window? */
344     if (ob_state() != OB_STATE_STARTING &&
345         (!self->session || self->session->focused) &&
346         !self->iconic &&
347         /* this means focus=true for window is same as config_focus_new=true */
348         ((config_focus_new || (settings && settings->focus == 1)) ||
349          client_search_focus_parent(self)) &&
350         /* this checks for focus=false for the window */
351         (!settings || settings->focus != 0) &&
352         /* note the check against Type_Normal/Dialog, not client_normal(self),
353            which would also include other types. in this case we want more
354            strict rules for focus */
355         (self->type == OB_CLIENT_TYPE_NORMAL ||
356          self->type == OB_CLIENT_TYPE_DIALOG))
357     {
358         activate = TRUE;
359     }
360
361     /* figure out placement for the window */
362     if (ob_state() == OB_STATE_RUNNING) {
363         gboolean transient;
364
365         ob_debug("Positioned: %s @ %d %d\n",
366                  (!self->positioned ? "no" :
367                   (self->positioned == PPosition ? "program specified" :
368                    (self->positioned == USPosition ? "user specified" :
369                     "BADNESS !?"))), self->area.x, self->area.y);
370
371         transient = place_client(self, &self->area.x, &self->area.y, settings);
372
373         /* make sure the window is visible. */
374         client_find_onscreen(self, &self->area.x, &self->area.y,
375                              self->area.width, self->area.height,
376                              /* non-normal clients has less rules, and
377                                 windows that are being restored from a
378                                 session do also. we can assume you want
379                                 it back where you saved it. Clients saying
380                                 they placed themselves are subjected to
381                                 harder rules, ones that are placed by
382                                 place.c or by the user are allowed partially
383                                 off-screen and on xinerama divides (ie,
384                                 it is up to the placement routines to avoid
385                                 the xinerama divides) */
386                              transient ||
387                              (((self->positioned & PPosition) &&
388                                !(self->positioned & USPosition)) &&
389                               client_normal(self) &&
390                               !self->session));
391     }
392
393     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
394              self->window, self->area.x, self->area.y,
395              self->area.width, self->area.height);
396     if (self->session)
397         ob_debug("  but session requested %d %d instead, overriding\n",
398                  self->session->x, self->session->y);
399
400     /* adjust the frame to the client's size before showing the window */
401     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
402     frame_adjust_client_area(self->frame);
403
404
405     /* move the client to its placed position, or it it's already there,
406        generate a ConfigureNotify telling the client where it is.
407
408        do this after adjusting the frame. otherwise it gets all weird and
409        clients don't work right */
410     client_configure_full(self, self->area.x, self->area.y,
411                           self->area.width, self->area.height,
412                           FALSE, TRUE);
413
414     /* do this after the window is placed, so the premax/prefullscreen numbers
415        won't be all wacko!!
416        also, this moves the window to the position where it has been placed
417     */
418     client_apply_startup_state(self);
419
420     if (activate) {
421         guint32 last_time = focus_client ?
422             focus_client->user_time : CurrentTime;
423
424         /* This is focus stealing prevention */
425         ob_debug_type(OB_DEBUG_FOCUS,
426                       "Want to focus new window 0x%x with time %u "
427                       "(last time %u)\n",
428                       self->window, self->user_time, last_time);
429
430         /* if it's on another desktop */
431         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
432             && /* the timestamp is from before you changed desktops */
433             self->user_time && screen_desktop_user_time &&
434             !event_time_after(self->user_time, screen_desktop_user_time))
435         {
436             activate = FALSE;
437             ob_debug_type(OB_DEBUG_FOCUS,
438                           "Not focusing the window because its on another "
439                           "desktop\n");
440         }
441         /* If something is focused, and it's not our parent... */
442         else if (focus_client && client_search_focus_parent(self) == NULL)
443         {
444             /* If time stamp is old, don't steal focus */
445             if (self->user_time && last_time &&
446                 !event_time_after(self->user_time, last_time))
447             {
448                 activate = FALSE;
449                 ob_debug_type(OB_DEBUG_FOCUS,
450                               "Not focusing the window because the time is "
451                               "too old\n");
452             }
453             /* Don't steal focus from globally active clients.
454                I stole this idea from KWin. It seems nice.
455              */
456             if (!(focus_client->can_focus || focus_client->focus_notify)) {
457                 activate = FALSE;
458                 ob_debug_type(OB_DEBUG_FOCUS,
459                               "Not focusing the window because a globally "
460                               "active client has focus\n");
461             }
462         }
463
464         if (!activate) {
465             ob_debug_type(OB_DEBUG_FOCUS,
466                           "Focus stealing prevention activated for %s with "
467                           "time %u (last time %u)\n",
468                           self->title, self->user_time, last_time);
469             /* if the client isn't focused, then hilite it so the user
470                knows it is there */
471             client_hilite(self, TRUE);
472         }
473     }
474     else {
475         /* This may look rather odd. Well it's because new windows are added
476            to the stacking order non-intrusively. If we're not going to focus
477            the new window or hilite it, then we raise it to the top. This will
478            take affect for things that don't get focused like splash screens.
479            Also if you don't have focus_new enabled, then it's going to get
480            raised to the top. Legacy begets legacy I guess?
481         */
482         if (!client_restore_session_stacking(self))
483             stacking_raise(CLIENT_AS_WINDOW(self));
484     }
485
486     mouse_grab_for_client(self, TRUE);
487
488     /* this has to happen before we try focus the window, but we want it to
489        happen after the client's stacking has been determined or it looks bad
490     */
491     client_show(self);
492
493     if (activate) {
494         gboolean stacked = client_restore_session_stacking(self);
495         client_present(self, FALSE, !stacked);
496     }
497
498     /* add to client list/map */
499     client_list = g_list_append(client_list, self);
500     g_hash_table_insert(window_map, &self->window, self);
501
502     /* this has to happen after we're in the client_list */
503     if (STRUT_EXISTS(self->strut))
504         screen_update_areas();
505
506     /* update the list hints */
507     client_set_list();
508
509     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
510              window, self->frame->plate, self->class);
511
512     return;
513 }
514
515
516 ObClient *client_fake_manage(Window window)
517 {
518     ObClient *self;
519     ObAppSettings *settings;
520
521     ob_debug("Pretend-managing window: %lx\n", window);
522
523     /* do this minimal stuff to figure out the client's decorations */
524
525     self = g_new0(ObClient, 1);
526     self->window = window;
527
528     client_get_all(self, FALSE);
529     /* per-app settings override stuff, and return the settings for other
530        uses too */
531     settings = client_get_settings_state(self);
532
533     client_setup_decor_and_functions(self);
534
535     /* create the decoration frame for the client window and adjust its size */
536     self->frame = frame_new(self);
537     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
538     return self;
539 }
540
541 void client_unmanage_all()
542 {
543     while (client_list != NULL)
544         client_unmanage(client_list->data);
545 }
546
547 void client_unmanage(ObClient *self)
548 {
549     guint j;
550     GSList *it;
551
552     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
553              self->window, self->frame->plate,
554              self->class, self->title ? self->title : "");
555
556     g_assert(self != NULL);
557
558     /* we dont want events no more. do this before hiding the frame so we
559        don't generate more events */
560     XSelectInput(ob_display, self->window, NoEventMask);
561
562     frame_hide(self->frame);
563     /* flush to send the hide to the server quickly */
564     XFlush(ob_display);
565
566     /* ignore enter events from the unmap so it doesnt mess with the
567        focus */
568     event_ignore_queued_enters();
569
570     mouse_grab_for_client(self, FALSE);
571
572     /* remove the window from our save set */
573     XChangeSaveSet(ob_display, self->window, SetModeDelete);
574
575     /* kill the property windows */
576     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
577
578     /* update the focus lists */
579     focus_order_remove(self);
580     if (client_focused(self)) {
581         /* don't leave an invalid focus_client */
582         focus_client = NULL;
583     }
584
585     client_list = g_list_remove(client_list, self);
586     stacking_remove(self);
587     g_hash_table_remove(window_map, &self->window);
588
589     /* once the client is out of the list, update the struts to remove its
590        influence */
591     if (STRUT_EXISTS(self->strut))
592         screen_update_areas();
593
594     client_call_notifies(self, client_destroy_notifies);
595
596     /* tell our parent(s) that we're gone */
597     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
598         for (it = self->group->members; it; it = g_slist_next(it))
599             if (it->data != self)
600                 ((ObClient*)it->data)->transients =
601                     g_slist_remove(((ObClient*)it->data)->transients,self);
602     } else if (self->transient_for) {        /* transient of window */
603         self->transient_for->transients =
604             g_slist_remove(self->transient_for->transients, self);
605     }
606
607     /* tell our transients that we're gone */
608     for (it = self->transients; it; it = g_slist_next(it)) {
609         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
610             ((ObClient*)it->data)->transient_for = NULL;
611             client_calc_layer(it->data);
612         }
613     }
614
615     /* remove from its group */
616     if (self->group) {
617         group_remove(self->group, self);
618         self->group = NULL;
619     }
620
621     /* restore the window's original geometry so it is not lost */
622     {
623         Rect a;
624
625         /* give the client its border back */
626         client_toggle_border(self, TRUE);
627
628         a = self->area;
629
630         if (self->fullscreen)
631             a = self->pre_fullscreen_area;
632         else if (self->max_horz || self->max_vert) {
633             if (self->max_horz) {
634                 a.x = self->pre_max_area.x;
635                 a.width = self->pre_max_area.width;
636             }
637             if (self->max_vert) {
638                 a.y = self->pre_max_area.y;
639                 a.height = self->pre_max_area.height;
640             }
641         }
642
643         self->fullscreen = self->max_horz = self->max_vert = FALSE;
644         self->decorations = 0; /* unmanaged windows have no decor */
645
646         client_move_resize(self, a.x, a.y, a.width, a.height);
647     }
648
649     /* reparent the window out of the frame, and free the frame */
650     frame_release_client(self->frame);
651     frame_free(self->frame);
652     self->frame = NULL;
653
654     if (ob_state() != OB_STATE_EXITING) {
655         /* these values should not be persisted across a window
656            unmapping/mapping */
657         PROP_ERASE(self->window, net_wm_desktop);
658         PROP_ERASE(self->window, net_wm_state);
659         PROP_ERASE(self->window, wm_state);
660     } else {
661         /* if we're left in an unmapped state, the client wont be mapped.
662            this is bad, since we will no longer be managing the window on
663            restart */
664         XMapWindow(ob_display, self->window);
665     }
666
667     /* update the list hints */
668     client_set_list();
669
670     ob_debug("Unmanaged window 0x%lx\n", self->window);
671
672     /* free all data allocated in the client struct */
673     g_slist_free(self->transients);
674     for (j = 0; j < self->nicons; ++j)
675         g_free(self->icons[j].data);
676     if (self->nicons > 0)
677         g_free(self->icons);
678     g_free(self->wm_command);
679     g_free(self->title);
680     g_free(self->icon_title);
681     g_free(self->name);
682     g_free(self->class);
683     g_free(self->role);
684     g_free(self->client_machine);
685     g_free(self->sm_client_id);
686     g_free(self);
687 }
688
689 void client_fake_unmanage(ObClient *self)
690 {
691     /* this is all that got allocated to get the decorations */
692
693     frame_free(self->frame);
694     g_free(self);
695 }
696
697 static ObAppSettings *client_get_settings_state(ObClient *self)
698 {
699     ObAppSettings *settings = NULL;
700     GSList *it;
701
702     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
703         ObAppSettings *app = it->data;
704         
705         if ((app->name && !app->class && !strcmp(app->name, self->name))
706             || (app->class && !app->name && !strcmp(app->class, self->class))
707             || (app->class && app->name && !strcmp(app->class, self->class)
708                 && !strcmp(app->name, self->name)))
709         {
710             /* Match if no role was specified in the per app setting, or if the
711              * string matches the beginning of the role, since apps like to set
712              * the role to things like browser-window-23c4b2f */
713             if (!app->role
714                 || !strncmp(app->role, self->role, strlen(app->role)))
715             {
716                 ob_debug("Window matching: %s\n", app->name);
717                 /* use this one */
718                 settings = app;
719                 break;
720             }
721         }
722     }
723
724     if (settings) {
725         if (settings->shade != -1)
726             self->shaded = !!settings->shade;
727         if (settings->decor != -1)
728             self->undecorated = !settings->decor;
729         if (settings->iconic != -1)
730             self->iconic = !!settings->iconic;
731         if (settings->skip_pager != -1)
732             self->skip_pager = !!settings->skip_pager;
733         if (settings->skip_taskbar != -1)
734             self->skip_taskbar = !!settings->skip_taskbar;
735
736         if (settings->max_vert != -1)
737             self->max_vert = !!settings->max_vert;
738         if (settings->max_horz != -1)
739             self->max_horz = !!settings->max_horz;
740
741         if (settings->fullscreen != -1)
742             self->fullscreen = !!settings->fullscreen;
743
744         if (settings->desktop) {
745             if (settings->desktop == DESKTOP_ALL)
746                 self->desktop = settings->desktop;
747             else if (settings->desktop > 0 &&
748                      settings->desktop <= screen_num_desktops)
749                 self->desktop = settings->desktop - 1;
750         }
751
752         if (settings->layer == -1) {
753             self->below = TRUE;
754             self->above = FALSE;
755         }
756         else if (settings->layer == 0) {
757             self->below = FALSE;
758             self->above = FALSE;
759         }
760         else if (settings->layer == 1) {
761             self->below = FALSE;
762             self->above = TRUE;
763         }
764     }
765     return settings;
766 }
767
768 static void client_restore_session_state(ObClient *self)
769 {
770     GList *it;
771
772     ob_debug_type(OB_DEBUG_SM,
773                   "Restore session for client %s\n", self->title);
774
775     if (!(it = session_state_find(self))) {
776         ob_debug_type(OB_DEBUG_SM,
777                       "Session data not found for client %s\n", self->title);
778         return;
779     }
780
781     self->session = it->data;
782
783     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
784                   self->title);
785
786     RECT_SET_POINT(self->area, self->session->x, self->session->y);
787     self->positioned = USPosition;
788     if (self->session->w > 0)
789         self->area.width = self->session->w;
790     if (self->session->h > 0)
791         self->area.height = self->session->h;
792     XResizeWindow(ob_display, self->window,
793                   self->area.width, self->area.height);
794
795     self->desktop = (self->session->desktop == DESKTOP_ALL ?
796                      self->session->desktop :
797                      MIN(screen_num_desktops - 1, self->session->desktop));
798     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
799
800     self->shaded = self->session->shaded;
801     self->iconic = self->session->iconic;
802     self->skip_pager = self->session->skip_pager;
803     self->skip_taskbar = self->session->skip_taskbar;
804     self->fullscreen = self->session->fullscreen;
805     self->above = self->session->above;
806     self->below = self->session->below;
807     self->max_horz = self->session->max_horz;
808     self->max_vert = self->session->max_vert;
809     self->undecorated = self->session->undecorated;
810 }
811
812 static gboolean client_restore_session_stacking(ObClient *self)
813 {
814     GList *it, *mypos;
815
816     if (!self->session) return FALSE;
817
818     mypos = g_list_find(session_saved_state, self->session);
819     if (!mypos) return FALSE;
820
821     /* start above me and look for the first client */
822     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
823         GList *cit;
824
825         for (cit = client_list; cit; cit = g_list_next(cit)) {
826             ObClient *c = cit->data;
827             /* found a client that was in the session, so go below it */
828             if (c->session == it->data) {
829                 stacking_below(CLIENT_AS_WINDOW(self),
830                                CLIENT_AS_WINDOW(cit->data));
831                 return TRUE;
832             }
833         }
834     }
835     return FALSE;
836 }
837
838 void client_move_onscreen(ObClient *self, gboolean rude)
839 {
840     gint x = self->area.x;
841     gint y = self->area.y;
842     if (client_find_onscreen(self, &x, &y,
843                              self->area.width,
844                              self->area.height, rude)) {
845         client_move(self, x, y);
846     }
847 }
848
849 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
850                               gboolean rude)
851 {
852     Rect *mon_a, *all_a;
853     gint ox = *x, oy = *y;
854     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
855     gint fw, fh;
856
857     all_a = screen_area(self->desktop);
858     mon_a = screen_area_monitor(self->desktop, client_monitor(self));
859
860     /* get where the frame would be */
861     frame_client_gravity(self->frame, x, y, w, h);
862
863     /* get the requested size of the window with decorations */
864     fw = self->frame->size.left + w + self->frame->size.right;
865     fh = self->frame->size.top + h + self->frame->size.bottom;
866
867     /* This makes sure windows aren't entirely outside of the screen so you
868        can't see them at all.
869        It makes sure 10% of the window is on the screen at least. At don't let
870        it move itself off the top of the screen, which would hide the titlebar
871        on you. (The user can still do this if they want too, it's only limiting
872        the application.
873
874        XXX watch for xinerama dead areas...
875     */
876     if (client_normal(self)) {
877         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
878             *x = all_a->x + all_a->width - fw/10;
879         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
880             *y = all_a->y + all_a->height - fh/10;
881         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
882             *x = all_a->x - fw*9/10;
883         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
884             *y = all_a->y - fw*9/10;
885     }
886
887     /* If rudeness wasn't requested, then figure out of the client is currently
888        entirely on the screen. If it is, and the position isn't changing by
889        request, and it is enlarging, then be rude even though it wasn't
890        requested */
891     if (!rude) {
892         Point oldtl, oldtr, oldbl, oldbr;
893         Point newtl, newtr, newbl, newbr;
894         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
895
896         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
897         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
898                   self->frame->area.y + self->frame->area.height - 1);
899         POINT_SET(oldtr, oldbr.x, oldtl.y);
900         POINT_SET(oldbl, oldtl.x, oldbr.y);
901
902         POINT_SET(newtl, *x, *y);
903         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
904         POINT_SET(newtr, newbr.x, newtl.y);
905         POINT_SET(newbl, newtl.x, newbr.y);
906
907         /* is it moving or just resizing from some corner? */
908         stationary_l = oldtl.x == oldtl.x;
909         stationary_r = oldtr.x == oldtr.x;
910         stationary_t = oldtl.y == oldtl.y;
911         stationary_b = oldbl.y == oldbl.y;
912
913         /* if left edge is growing and didnt move right edge */
914         if (stationary_r && newtl.x < oldtl.x)
915             rudel = TRUE;
916         /* if right edge is growing and didnt move left edge */
917         if (stationary_l && newtr.x > oldtr.x)
918             ruder = TRUE;
919         /* if top edge is growing and didnt move bottom edge */
920         if (stationary_b && newtl.y < oldtl.y)
921             rudet = TRUE;
922         /* if bottom edge is growing and didnt move top edge */
923         if (stationary_t && newbl.y > oldbl.y)
924             rudeb = TRUE;
925     }
926
927     /* This here doesn't let windows even a pixel outside the struts/screen.
928      * When called from client_manage, programs placing themselves are
929      * forced completely onscreen, while things like
930      * xterm -geometry resolution-width/2 will work fine. Trying to
931      * place it completely offscreen will be handled in the above code.
932      * Sorry for this confused comment, i am tired. */
933     if (fw <= mon_a->width) {
934         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
935         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
936             *x = mon_a->x + mon_a->width - fw;
937     }
938     if (fh <= mon_a->height) {
939         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
940         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
941             *y = mon_a->y + mon_a->height - fh;
942     }
943
944     /* get where the client should be */
945     frame_frame_gravity(self->frame, x, y, w, h);
946
947     return ox != *x || oy != *y;
948 }
949
950 static void client_toggle_border(ObClient *self, gboolean show)
951 {
952     /* adjust our idea of where the client is, based on its border. When the
953        border is removed, the client should now be considered to be in a
954        different position.
955        when re-adding the border to the client, the same operation needs to be
956        reversed. */
957     gint oldx = self->area.x, oldy = self->area.y;
958     gint x = oldx, y = oldy;
959     switch(self->gravity) {
960     default:
961     case NorthWestGravity:
962     case WestGravity:
963     case SouthWestGravity:
964         break;
965     case NorthEastGravity:
966     case EastGravity:
967     case SouthEastGravity:
968         if (show) x -= self->border_width * 2;
969         else      x += self->border_width * 2;
970         break;
971     case NorthGravity:
972     case SouthGravity:
973     case CenterGravity:
974     case ForgetGravity:
975     case StaticGravity:
976         if (show) x -= self->border_width;
977         else      x += self->border_width;
978         break;
979     }
980     switch(self->gravity) {
981     default:
982     case NorthWestGravity:
983     case NorthGravity:
984     case NorthEastGravity:
985         break;
986     case SouthWestGravity:
987     case SouthGravity:
988     case SouthEastGravity:
989         if (show) y -= self->border_width * 2;
990         else      y += self->border_width * 2;
991         break;
992     case WestGravity:
993     case EastGravity:
994     case CenterGravity:
995     case ForgetGravity:
996     case StaticGravity:
997         if (show) y -= self->border_width;
998         else      y += self->border_width;
999         break;
1000     }
1001     self->area.x = x;
1002     self->area.y = y;
1003
1004     if (show) {
1005         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1006
1007         /* set border_width to 0 because there is no border to add into
1008            calculations anymore */
1009         self->border_width = 0;
1010     } else
1011         XSetWindowBorderWidth(ob_display, self->window, 0);
1012 }
1013
1014
1015 static void client_get_all(ObClient *self, gboolean real)
1016 {
1017     /* this is needed for the frame to set itself up */
1018     client_get_area(self);
1019
1020     /* these things can change the decor and functions of the window */
1021
1022     client_get_mwm_hints(self);
1023     /* this can change the mwmhints for special cases */
1024     client_get_type_and_transientness(self);
1025     client_get_state(self);
1026     client_update_normal_hints(self);
1027
1028     /* get the session related properties, these can change decorations
1029        from per-app settings */
1030     client_get_session_ids(self);
1031
1032     /* now we got everything that can affect the decorations */
1033     if (!real)
1034         return;
1035
1036     /* get this early so we have it for debugging */
1037     client_update_title(self);
1038
1039     client_update_protocols(self);
1040
1041     client_update_wmhints(self);
1042     /* this may have already been called from client_update_wmhints */
1043     if (self->transient_for == NULL)
1044         client_update_transient_for(self);
1045
1046     client_get_startup_id(self);
1047     client_get_desktop(self);/* uses transient data/group/startup id if a
1048                                 desktop is not specified */
1049     client_get_shaped(self);
1050
1051     {
1052         /* a couple type-based defaults for new windows */
1053
1054         /* this makes sure that these windows appear on all desktops */
1055         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1056             self->desktop = DESKTOP_ALL;
1057     }
1058   
1059 #ifdef SYNC
1060     client_update_sync_request_counter(self);
1061 #endif
1062
1063     client_get_colormap(self);
1064     client_update_strut(self);
1065     client_update_icons(self);
1066     client_update_user_time_window(self);
1067     if (!self->user_time_window) /* check if this would have been called */
1068         client_update_user_time(self);
1069     client_update_icon_geometry(self);
1070 }
1071
1072 static void client_get_startup_id(ObClient *self)
1073 {
1074     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1075         if (self->group)
1076             PROP_GETS(self->group->leader,
1077                       net_startup_id, utf8, &self->startup_id);
1078 }
1079
1080 static void client_get_area(ObClient *self)
1081 {
1082     XWindowAttributes wattrib;
1083     Status ret;
1084   
1085     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1086     g_assert(ret != BadWindow);
1087
1088     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1089     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1090     self->border_width = wattrib.border_width;
1091
1092     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1093              wattrib.width, wattrib.height);
1094 }
1095
1096 static void client_get_desktop(ObClient *self)
1097 {
1098     guint32 d = screen_num_desktops; /* an always-invalid value */
1099
1100     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1101         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1102             self->desktop = screen_num_desktops - 1;
1103         else
1104             self->desktop = d;
1105     } else {
1106         gboolean trdesk = FALSE;
1107
1108         if (self->transient_for) {
1109             if (self->transient_for != OB_TRAN_GROUP) {
1110                 self->desktop = self->transient_for->desktop;
1111                 trdesk = TRUE;
1112             } else {
1113                 GSList *it;
1114
1115                 for (it = self->group->members; it; it = g_slist_next(it))
1116                     if (it->data != self &&
1117                         !((ObClient*)it->data)->transient_for) {
1118                         self->desktop = ((ObClient*)it->data)->desktop;
1119                         trdesk = TRUE;
1120                         break;
1121                     }
1122             }
1123         }
1124         if (!trdesk) {
1125             /* try get from the startup-notification protocol */
1126             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1127                 if (self->desktop >= screen_num_desktops &&
1128                     self->desktop != DESKTOP_ALL)
1129                     self->desktop = screen_num_desktops - 1;
1130             } else
1131                 /* defaults to the current desktop */
1132                 self->desktop = screen_desktop;
1133         }
1134     }
1135 }
1136
1137 static void client_get_state(ObClient *self)
1138 {
1139     guint32 *state;
1140     guint num;
1141   
1142     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1143         gulong i;
1144         for (i = 0; i < num; ++i) {
1145             if (state[i] == prop_atoms.net_wm_state_modal)
1146                 self->modal = TRUE;
1147             else if (state[i] == prop_atoms.net_wm_state_shaded)
1148                 self->shaded = TRUE;
1149             else if (state[i] == prop_atoms.net_wm_state_hidden)
1150                 self->iconic = TRUE;
1151             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1152                 self->skip_taskbar = TRUE;
1153             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1154                 self->skip_pager = TRUE;
1155             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1156                 self->fullscreen = TRUE;
1157             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1158                 self->max_vert = TRUE;
1159             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1160                 self->max_horz = TRUE;
1161             else if (state[i] == prop_atoms.net_wm_state_above)
1162                 self->above = TRUE;
1163             else if (state[i] == prop_atoms.net_wm_state_below)
1164                 self->below = TRUE;
1165             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1166                 self->demands_attention = TRUE;
1167             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1168                 self->undecorated = TRUE;
1169         }
1170
1171         g_free(state);
1172     }
1173 }
1174
1175 static void client_get_shaped(ObClient *self)
1176 {
1177     self->shaped = FALSE;
1178 #ifdef   SHAPE
1179     if (extensions_shape) {
1180         gint foo;
1181         guint ufoo;
1182         gint s;
1183
1184         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1185
1186         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1187                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1188                            &ufoo);
1189         self->shaped = (s != 0);
1190     }
1191 #endif
1192 }
1193
1194 void client_update_transient_for(ObClient *self)
1195 {
1196     Window t = None;
1197     ObClient *target = NULL;
1198
1199     if (XGetTransientForHint(ob_display, self->window, &t)) {
1200         if (t != self->window) { /* cant be transient to itself! */
1201             target = g_hash_table_lookup(window_map, &t);
1202             /* if this happens then we need to check for it*/
1203             g_assert(target != self);
1204             if (target && !WINDOW_IS_CLIENT(target)) {
1205                 /* this can happen when a dialog is a child of
1206                    a dockapp, for example */
1207                 target = NULL;
1208             }
1209
1210             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1211
1212                Setting the transient_for to Root is actually illegal, however
1213                applications from time have done this to specify transient for
1214                their group.
1215
1216                Now you can do that by being a TYPE_DIALOG and not setting
1217                the transient_for hint at all on your window. But people still
1218                use Root, and Kwin is very strange in this regard.
1219
1220                KWin 3.0 will not consider windows with transient_for set to
1221                Root as transient for their group *UNLESS* they are also modal.
1222                In that case, it will make them transient for the group. This
1223                leads to all sorts of weird behavior from KDE apps which are
1224                only tested in KWin. I'd like to follow their behavior just to
1225                make this work right with KDE stuff, but that seems wrong.
1226             */
1227             if (!target && self->group) {
1228                 /* not transient to a client, see if it is transient for a
1229                    group */
1230                 if (t == RootWindow(ob_display, ob_screen)) {
1231                     /* window is a transient for its group! */
1232                     target = OB_TRAN_GROUP;
1233                 }
1234             }
1235         }
1236     } else if (self->transient && self->group)
1237         target = OB_TRAN_GROUP;
1238
1239     client_update_transient_tree(self, self->group, self->group,
1240                                  self->transient_for, target);
1241     self->transient_for = target;
1242                           
1243 }
1244
1245 static void client_update_transient_tree(ObClient *self,
1246                                          ObGroup *oldgroup, ObGroup *newgroup,
1247                                          ObClient* oldparent,
1248                                          ObClient *newparent)
1249 {
1250     GSList *it, *next;
1251     ObClient *c;
1252
1253     /* * *
1254       Group transient windows are not allowed to have other group
1255       transient windows as their children.
1256       * * */
1257
1258
1259     /* No change has occured */
1260     if (oldgroup == newgroup && oldparent == newparent) return;
1261
1262     /** Remove the client from the transient tree wherever it has changed **/
1263
1264     /* If the window is becoming a direct transient for a window in its group
1265        then any group transients which were our children and are now becoming
1266        our parents need to stop being our children.
1267
1268        Group transients can't be children of group transients already, but
1269        we could have any number of direct parents above up, any of which could
1270        be transient for the group, and we need to remove it from our children.
1271     */
1272     if (oldparent != newparent &&
1273         newparent != NULL && newparent != OB_TRAN_GROUP &&
1274         newgroup != NULL && newgroup == oldgroup)
1275     {
1276         ObClient *look = newparent;
1277         do {
1278             self->transients = g_slist_remove(self->transients, look);
1279             look = look->transient_for;
1280         } while (look != NULL && look != OB_TRAN_GROUP);
1281     }
1282             
1283
1284     /* If the group changed, or if we are just becoming transient for the
1285        group, then we need to remove any old group transient windows
1286        from our children. But if we were already transient for the group, then
1287        other group transients are not our children. */
1288     if ((oldgroup != newgroup ||
1289          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1290         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1291     {
1292         for (it = self->transients; it; it = next) {
1293             next = g_slist_next(it);
1294             c = it->data;
1295             if (c->group == oldgroup)
1296                 self->transients = g_slist_delete_link(self->transients, it);
1297         }
1298     }
1299
1300     /* If we used to be transient for a group and now we are not, or we're
1301        transient for a new group, then we need to remove ourselves from all
1302        our ex-parents */
1303     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1304                                        oldparent != newparent))
1305     {
1306         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1307             c = it->data;
1308             if (c != self && (!c->transient_for ||
1309                               c->transient_for != OB_TRAN_GROUP))
1310                 c->transients = g_slist_remove(c->transients, self);
1311         }
1312     }
1313     /* If we used to be transient for a single window and we are no longer
1314        transient for it, then we need to remove ourself from its children */
1315     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1316              oldparent != newparent)
1317         oldparent->transients = g_slist_remove(oldparent->transients, self);
1318
1319
1320     /** Re-add the client to the transient tree wherever it has changed **/
1321
1322     /* If we're now transient for a group and we weren't transient for it
1323        before then we need to add ourselves to all our new parents */
1324     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1325                                        oldparent != newparent))
1326     {
1327         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1328             c = it->data;
1329             if (c != self && (!c->transient_for ||
1330                               c->transient_for != OB_TRAN_GROUP))
1331                 c->transients = g_slist_prepend(c->transients, self);
1332         }
1333     }
1334     /* If we are now transient for a single window which we weren't before,
1335        we need to add ourselves to its children
1336
1337        WARNING: Cyclical transient ness is possible if two windows are
1338        transient for eachother.
1339     */
1340     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1341              newparent != oldparent &&
1342              /* don't make ourself its child if it is already our child */
1343              !client_is_direct_child(self, newparent))
1344         newparent->transients = g_slist_prepend(newparent->transients, self);
1345
1346     /* If the group changed then we need to add any new group transient
1347        windows to our children. But if we're transient for the group, then
1348        other group transients are not our children.
1349
1350        WARNING: Cyclical transient-ness is possible. For e.g. if:
1351        A is transient for the group
1352        B is transient for A
1353        C is transient for B
1354        A can't be transient for C or we have a cycle
1355     */
1356     if (oldgroup != newgroup && newgroup != NULL &&
1357         newparent != OB_TRAN_GROUP)
1358     {
1359         for (it = newgroup->members; it; it = g_slist_next(it)) {
1360             c = it->data;
1361             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1362                 /* Don't make it our child if it is already our parent */
1363                 !client_is_direct_child(c, self))
1364             {
1365                 self->transients = g_slist_prepend(self->transients, c);
1366             }
1367         }
1368     }
1369 }
1370
1371 static void client_get_mwm_hints(ObClient *self)
1372 {
1373     guint num;
1374     guint32 *hints;
1375
1376     self->mwmhints.flags = 0; /* default to none */
1377
1378     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1379                     &hints, &num)) {
1380         if (num >= OB_MWM_ELEMENTS) {
1381             self->mwmhints.flags = hints[0];
1382             self->mwmhints.functions = hints[1];
1383             self->mwmhints.decorations = hints[2];
1384         }
1385         g_free(hints);
1386     }
1387 }
1388
1389 void client_get_type_and_transientness(ObClient *self)
1390 {
1391     guint num, i;
1392     guint32 *val;
1393     Window t;
1394
1395     self->type = -1;
1396     self->transient = FALSE;
1397   
1398     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1399         /* use the first value that we know about in the array */
1400         for (i = 0; i < num; ++i) {
1401             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1402                 self->type = OB_CLIENT_TYPE_DESKTOP;
1403             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1404                 self->type = OB_CLIENT_TYPE_DOCK;
1405             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1406                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1407             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1408                 self->type = OB_CLIENT_TYPE_MENU;
1409             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1410                 self->type = OB_CLIENT_TYPE_UTILITY;
1411             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1412                 self->type = OB_CLIENT_TYPE_SPLASH;
1413             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1414                 self->type = OB_CLIENT_TYPE_DIALOG;
1415             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1416                 self->type = OB_CLIENT_TYPE_NORMAL;
1417             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1418                 /* prevent this window from getting any decor or
1419                    functionality */
1420                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1421                                          OB_MWM_FLAG_DECORATIONS);
1422                 self->mwmhints.decorations = 0;
1423                 self->mwmhints.functions = 0;
1424             }
1425             if (self->type != (ObClientType) -1)
1426                 break; /* grab the first legit type */
1427         }
1428         g_free(val);
1429     }
1430
1431     if (XGetTransientForHint(ob_display, self->window, &t))
1432         self->transient = TRUE;
1433             
1434     if (self->type == (ObClientType) -1) {
1435         /*the window type hint was not set, which means we either classify
1436           ourself as a normal window or a dialog, depending on if we are a
1437           transient. */
1438         if (self->transient)
1439             self->type = OB_CLIENT_TYPE_DIALOG;
1440         else
1441             self->type = OB_CLIENT_TYPE_NORMAL;
1442     }
1443
1444     /* then, based on our type, we can update our transientness.. */
1445     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1446         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1447         self->type == OB_CLIENT_TYPE_MENU ||
1448         self->type == OB_CLIENT_TYPE_UTILITY)
1449     {
1450         self->transient = TRUE;
1451     }
1452 }
1453
1454 void client_update_protocols(ObClient *self)
1455 {
1456     guint32 *proto;
1457     guint num_return, i;
1458
1459     self->focus_notify = FALSE;
1460     self->delete_window = FALSE;
1461
1462     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1463         for (i = 0; i < num_return; ++i) {
1464             if (proto[i] == prop_atoms.wm_delete_window)
1465                 /* this means we can request the window to close */
1466                 self->delete_window = TRUE;
1467             else if (proto[i] == prop_atoms.wm_take_focus)
1468                 /* if this protocol is requested, then the window will be
1469                    notified whenever we want it to receive focus */
1470                 self->focus_notify = TRUE;
1471 #ifdef SYNC
1472             else if (proto[i] == prop_atoms.net_wm_sync_request) 
1473                 /* if this protocol is requested, then resizing the
1474                    window will be synchronized between the frame and the
1475                    client */
1476                 self->sync_request = TRUE;
1477 #endif
1478         }
1479         g_free(proto);
1480     }
1481 }
1482
1483 #ifdef SYNC
1484 void client_update_sync_request_counter(ObClient *self)
1485 {
1486     guint32 i;
1487
1488     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1489         self->sync_counter = i;
1490     } else
1491         self->sync_counter = None;
1492 }
1493 #endif
1494
1495 void client_get_colormap(ObClient *self)
1496 {
1497     XWindowAttributes wa;
1498
1499     if (XGetWindowAttributes(ob_display, self->window, &wa))
1500         client_update_colormap(self, wa.colormap);
1501 }
1502
1503 void client_update_colormap(ObClient *self, Colormap colormap)
1504 {
1505     self->colormap = colormap;
1506 }
1507
1508 void client_update_normal_hints(ObClient *self)
1509 {
1510     XSizeHints size;
1511     glong ret;
1512     gint oldgravity = self->gravity;
1513
1514     /* defaults */
1515     self->min_ratio = 0.0f;
1516     self->max_ratio = 0.0f;
1517     SIZE_SET(self->size_inc, 1, 1);
1518     SIZE_SET(self->base_size, 0, 0);
1519     SIZE_SET(self->min_size, 0, 0);
1520     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1521
1522     /* get the hints from the window */
1523     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1524         /* normal windows can't request placement! har har
1525         if (!client_normal(self))
1526         */
1527         self->positioned = (size.flags & (PPosition|USPosition));
1528
1529         if (size.flags & PWinGravity) {
1530             self->gravity = size.win_gravity;
1531       
1532             /* if the client has a frame, i.e. has already been mapped and
1533                is changing its gravity */
1534             if (self->frame && self->gravity != oldgravity) {
1535                 /* move our idea of the client's position based on its new
1536                    gravity */
1537                 client_convert_gravity(self, oldgravity,
1538                                        &self->area.x, &self->area.y,
1539                                        self->area.width, self->area.height);
1540             }
1541         }
1542
1543         if (size.flags & PAspect) {
1544             if (size.min_aspect.y)
1545                 self->min_ratio =
1546                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1547             if (size.max_aspect.y)
1548                 self->max_ratio =
1549                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1550         }
1551
1552         if (size.flags & PMinSize)
1553             SIZE_SET(self->min_size, size.min_width, size.min_height);
1554     
1555         if (size.flags & PMaxSize)
1556             SIZE_SET(self->max_size, size.max_width, size.max_height);
1557     
1558         if (size.flags & PBaseSize)
1559             SIZE_SET(self->base_size, size.base_width, size.base_height);
1560     
1561         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1562             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1563     }
1564 }
1565
1566 void client_setup_decor_and_functions(ObClient *self)
1567 {
1568     /* start with everything (cept fullscreen) */
1569     self->decorations =
1570         (OB_FRAME_DECOR_TITLEBAR |
1571          OB_FRAME_DECOR_HANDLE |
1572          OB_FRAME_DECOR_GRIPS |
1573          OB_FRAME_DECOR_BORDER |
1574          OB_FRAME_DECOR_ICON |
1575          OB_FRAME_DECOR_ALLDESKTOPS |
1576          OB_FRAME_DECOR_ICONIFY |
1577          OB_FRAME_DECOR_MAXIMIZE |
1578          OB_FRAME_DECOR_SHADE |
1579          OB_FRAME_DECOR_CLOSE);
1580     self->functions =
1581         (OB_CLIENT_FUNC_RESIZE |
1582          OB_CLIENT_FUNC_MOVE |
1583          OB_CLIENT_FUNC_ICONIFY |
1584          OB_CLIENT_FUNC_MAXIMIZE |
1585          OB_CLIENT_FUNC_SHADE |
1586          OB_CLIENT_FUNC_CLOSE |
1587          OB_CLIENT_FUNC_BELOW |
1588          OB_CLIENT_FUNC_ABOVE);
1589
1590     if (!(self->min_size.width < self->max_size.width ||
1591           self->min_size.height < self->max_size.height))
1592         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1593
1594     switch (self->type) {
1595     case OB_CLIENT_TYPE_NORMAL:
1596         /* normal windows retain all of the possible decorations and
1597            functionality, and are the only windows that you can fullscreen */
1598         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1599         break;
1600
1601     case OB_CLIENT_TYPE_DIALOG:
1602     case OB_CLIENT_TYPE_UTILITY:
1603         /* these windows cannot be maximized */
1604         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1605         break;
1606
1607     case OB_CLIENT_TYPE_MENU:
1608     case OB_CLIENT_TYPE_TOOLBAR:
1609         /* these windows get less functionality */
1610         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1611         break;
1612
1613     case OB_CLIENT_TYPE_SPLASH:
1614         /* these don't get get any decorations, and the only thing you can
1615            do with them is move them */
1616         self->decorations = 0;
1617         self->functions = OB_CLIENT_FUNC_MOVE;
1618
1619     case OB_CLIENT_TYPE_DESKTOP:
1620         /* these windows are not manipulated by the window manager */
1621         self->decorations = 0;
1622         self->functions = 0;
1623
1624     case OB_CLIENT_TYPE_DOCK:
1625         /* these windows are not manipulated by the window manager, but they
1626            can set below layer which has a special meaning */
1627         self->decorations = 0;
1628         self->functions = OB_CLIENT_FUNC_BELOW;
1629         break;
1630     }
1631
1632     /* Mwm Hints are applied subtractively to what has already been chosen for
1633        decor and functionality */
1634     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1635         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1636             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1637                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1638             {
1639                 /* if the mwm hints request no handle or title, then all
1640                    decorations are disabled, but keep the border if that's
1641                    specified */
1642                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1643                     self->decorations = OB_FRAME_DECOR_BORDER;
1644                 else
1645                     self->decorations = 0;
1646             }
1647         }
1648     }
1649
1650     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1651         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1652             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1653                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1654             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1655                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1656             /* dont let mwm hints kill any buttons
1657                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1658                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1659                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1660                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1661             */
1662             /* dont let mwm hints kill the close button
1663                if (! (self->mwmhints.functions & MwmFunc_Close))
1664                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1665         }
1666     }
1667
1668     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1669         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1670     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1671         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1672     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1673         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1674
1675     /* can't maximize without moving/resizing */
1676     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1677           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1678           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1679         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1680         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1681     }
1682
1683     /* kill the handle on fully maxed windows */
1684     if (self->max_vert && self->max_horz)
1685         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1686
1687     /* finally, the user can have requested no decorations, which overrides
1688        everything (but doesnt give it a border if it doesnt have one) */
1689     if (self->undecorated) {
1690         if (config_theme_keepborder)
1691             self->decorations &= OB_FRAME_DECOR_BORDER;
1692         else
1693             self->decorations = 0;
1694     }
1695
1696     /* if we don't have a titlebar, then we cannot shade! */
1697     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1698         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1699
1700     /* now we need to check against rules for the client's current state */
1701     if (self->fullscreen) {
1702         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1703                             OB_CLIENT_FUNC_FULLSCREEN |
1704                             OB_CLIENT_FUNC_ICONIFY);
1705         self->decorations = 0;
1706     }
1707
1708     client_change_allowed_actions(self);
1709
1710     if (self->frame) {
1711         /* adjust the client's decorations, etc. */
1712         client_reconfigure(self);
1713     }
1714 }
1715
1716 static void client_change_allowed_actions(ObClient *self)
1717 {
1718     gulong actions[11];
1719     gint num = 0;
1720
1721     /* desktop windows are kept on all desktops */
1722     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1723         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1724
1725     if (self->functions & OB_CLIENT_FUNC_SHADE)
1726         actions[num++] = prop_atoms.net_wm_action_shade;
1727     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1728         actions[num++] = prop_atoms.net_wm_action_close;
1729     if (self->functions & OB_CLIENT_FUNC_MOVE)
1730         actions[num++] = prop_atoms.net_wm_action_move;
1731     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1732         actions[num++] = prop_atoms.net_wm_action_minimize;
1733     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1734         actions[num++] = prop_atoms.net_wm_action_resize;
1735     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1736         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1737     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1738         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1739         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1740     }
1741     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1742         actions[num++] = prop_atoms.net_wm_action_above;
1743     if (self->functions & OB_CLIENT_FUNC_BELOW)
1744         actions[num++] = prop_atoms.net_wm_action_below;
1745
1746     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1747
1748     /* make sure the window isn't breaking any rules now */
1749
1750     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1751         if (self->frame) client_shade(self, FALSE);
1752         else self->shaded = FALSE;
1753     }
1754     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1755         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1756         else self->iconic = FALSE;
1757     }
1758     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1759         if (self->frame) client_fullscreen(self, FALSE);
1760         else self->fullscreen = FALSE;
1761     }
1762     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1763                                                          self->max_vert)) {
1764         if (self->frame) client_maximize(self, FALSE, 0);
1765         else self->max_vert = self->max_horz = FALSE;
1766     }
1767 }
1768
1769 void client_reconfigure(ObClient *self)
1770 {
1771     /* by making this pass FALSE for user, we avoid the emacs event storm where
1772        every configurenotify causes an update in its normal hints, i think this
1773        is generally what we want anyways... */
1774     client_configure(self, self->area.x, self->area.y,
1775                      self->area.width, self->area.height, FALSE, TRUE);
1776 }
1777
1778 void client_update_wmhints(ObClient *self)
1779 {
1780     XWMHints *hints;
1781
1782     /* assume a window takes input if it doesnt specify */
1783     self->can_focus = TRUE;
1784   
1785     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1786         gboolean ur;
1787
1788         if (hints->flags & InputHint)
1789             self->can_focus = hints->input;
1790
1791         /* only do this when first managing the window *AND* when we aren't
1792            starting up! */
1793         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1794             if (hints->flags & StateHint)
1795                 self->iconic = hints->initial_state == IconicState;
1796
1797         ur = self->urgent;
1798         self->urgent = (hints->flags & XUrgencyHint);
1799         if (self->urgent && !ur)
1800             client_hilite(self, TRUE);
1801         else if (!self->urgent && ur && self->demands_attention)
1802             client_hilite(self, FALSE);
1803
1804         if (!(hints->flags & WindowGroupHint))
1805             hints->window_group = None;
1806
1807         /* did the group state change? */
1808         if (hints->window_group !=
1809             (self->group ? self->group->leader : None))
1810         {
1811             ObGroup *oldgroup = self->group;
1812
1813             /* remove from the old group if there was one */
1814             if (self->group != NULL) {
1815                 group_remove(self->group, self);
1816                 self->group = NULL;
1817             }
1818
1819             /* add ourself to the group if we have one */
1820             if (hints->window_group != None) {
1821                 self->group = group_add(hints->window_group, self);
1822             }
1823
1824             /* Put ourselves into the new group's transient tree, and remove
1825                ourselves from the old group's */
1826             client_update_transient_tree(self, oldgroup, self->group,
1827                                          self->transient_for,
1828                                          self->transient_for);
1829
1830             /* Lastly, being in a group, or not, can change if the window is
1831                transient for anything.
1832
1833                The logic for this is:
1834                self->transient = TRUE always if the window wants to be
1835                transient for something, even if transient_for was NULL because
1836                it wasn't in a group before.
1837
1838                If transient_for was NULL and oldgroup was NULL we can assume
1839                that when we add the new group, it will become transient for
1840                something.
1841
1842                If transient_for was OB_TRAN_GROUP, then it must have already
1843                had a group. If it is getting a new group, the above call to
1844                client_update_transient_tree has already taken care of
1845                everything ! If it is losing all group status then it will
1846                no longer be transient for anything and that needs to be
1847                updated.
1848             */
1849             if (self->transient &&
1850                 ((self->transient_for == NULL && oldgroup == NULL) ||
1851                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1852                 client_update_transient_for(self);
1853         }
1854
1855         /* the WM_HINTS can contain an icon */
1856         client_update_icons(self);
1857
1858         XFree(hints);
1859     }
1860 }
1861
1862 void client_update_title(ObClient *self)
1863 {
1864     gchar *data = NULL;
1865     gchar *visible = NULL;
1866
1867     g_free(self->title);
1868      
1869     /* try netwm */
1870     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1871         /* try old x stuff */
1872         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1873               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1874             if (self->transient) {
1875                 /*
1876                   GNOME alert windows are not given titles:
1877                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1878                 */
1879                 data = g_strdup("");
1880             } else
1881                 data = g_strdup("Unnamed Window");
1882         }
1883     }
1884
1885     if (self->client_machine) {
1886         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1887         g_free(data);
1888     } else
1889         visible = data;
1890
1891     PROP_SETS(self->window, net_wm_visible_name, visible);
1892     self->title = visible;
1893
1894     if (self->frame)
1895         frame_adjust_title(self->frame);
1896
1897     /* update the icon title */
1898     data = NULL;
1899     g_free(self->icon_title);
1900
1901     /* try netwm */
1902     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1903         /* try old x stuff */
1904         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1905               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1906             data = g_strdup(self->title);
1907
1908     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1909     self->icon_title = data;
1910 }
1911
1912 void client_update_strut(ObClient *self)
1913 {
1914     guint num;
1915     guint32 *data;
1916     gboolean got = FALSE;
1917     StrutPartial strut;
1918
1919     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1920                     &data, &num)) {
1921         if (num == 12) {
1922             got = TRUE;
1923             STRUT_PARTIAL_SET(strut,
1924                               data[0], data[2], data[1], data[3],
1925                               data[4], data[5], data[8], data[9],
1926                               data[6], data[7], data[10], data[11]);
1927         }
1928         g_free(data);
1929     }
1930
1931     if (!got &&
1932         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1933         if (num == 4) {
1934             const Rect *a;
1935
1936             got = TRUE;
1937
1938             /* use the screen's width/height */
1939             a = screen_physical_area();
1940
1941             STRUT_PARTIAL_SET(strut,
1942                               data[0], data[2], data[1], data[3],
1943                               a->y, a->y + a->height - 1,
1944                               a->x, a->x + a->width - 1,
1945                               a->y, a->y + a->height - 1,
1946                               a->x, a->x + a->width - 1);
1947         }
1948         g_free(data);
1949     }
1950
1951     if (!got)
1952         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1953                           0, 0, 0, 0, 0, 0, 0, 0);
1954
1955     if (!STRUT_EQUAL(strut, self->strut)) {
1956         self->strut = strut;
1957
1958         /* updating here is pointless while we're being mapped cuz we're not in
1959            the client list yet */
1960         if (self->frame)
1961             screen_update_areas();
1962     }
1963 }
1964
1965 void client_update_icons(ObClient *self)
1966 {
1967     guint num;
1968     guint32 *data;
1969     guint w, h, i, j;
1970
1971     for (i = 0; i < self->nicons; ++i)
1972         g_free(self->icons[i].data);
1973     if (self->nicons > 0)
1974         g_free(self->icons);
1975     self->nicons = 0;
1976
1977     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1978         /* figure out how many valid icons are in here */
1979         i = 0;
1980         while (num - i > 2) {
1981             w = data[i++];
1982             h = data[i++];
1983             i += w * h;
1984             if (i > num || w*h == 0) break;
1985             ++self->nicons;
1986         }
1987
1988         self->icons = g_new(ObClientIcon, self->nicons);
1989     
1990         /* store the icons */
1991         i = 0;
1992         for (j = 0; j < self->nicons; ++j) {
1993             guint x, y, t;
1994
1995             w = self->icons[j].width = data[i++];
1996             h = self->icons[j].height = data[i++];
1997
1998             if (w*h == 0) continue;
1999
2000             self->icons[j].data = g_new(RrPixel32, w * h);
2001             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2002                 if (x >= w) {
2003                     x = 0;
2004                     ++y;
2005                 }
2006                 self->icons[j].data[t] =
2007                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2008                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2009                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2010                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2011             }
2012             g_assert(i <= num);
2013         }
2014
2015         g_free(data);
2016     } else {
2017         XWMHints *hints;
2018
2019         if ((hints = XGetWMHints(ob_display, self->window))) {
2020             if (hints->flags & IconPixmapHint) {
2021                 self->nicons++;
2022                 self->icons = g_new(ObClientIcon, self->nicons);
2023                 xerror_set_ignore(TRUE);
2024                 if (!RrPixmapToRGBA(ob_rr_inst,
2025                                     hints->icon_pixmap,
2026                                     (hints->flags & IconMaskHint ?
2027                                      hints->icon_mask : None),
2028                                     &self->icons[self->nicons-1].width,
2029                                     &self->icons[self->nicons-1].height,
2030                                     &self->icons[self->nicons-1].data)){
2031                     g_free(&self->icons[self->nicons-1]);
2032                     self->nicons--;
2033                 }
2034                 xerror_set_ignore(FALSE);
2035             }
2036             XFree(hints);
2037         }
2038     }
2039
2040     /* set the default icon onto the window
2041        in theory, this could be a race, but if a window doesn't set an icon
2042        or removes it entirely, it's not very likely it is going to set one
2043        right away afterwards */
2044     if (self->nicons == 0) {
2045         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2046         gulong *data;
2047
2048         data = g_new(gulong, 48*48+2);
2049         data[0] = data[1] =  48;
2050         for (i = 0; i < 48*48; ++i)
2051             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2052                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2053                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2054                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2055         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2056         g_free(data);
2057     } else if (self->frame)
2058         /* don't draw the icon empty if we're just setting one now anyways,
2059            we'll get the property change any second */
2060         frame_adjust_icon(self->frame);
2061 }
2062
2063 void client_update_user_time(ObClient *self)
2064 {
2065     guint32 time;
2066     gboolean got = FALSE;
2067
2068     if (self->user_time_window)
2069         got = PROP_GET32(self->user_time_window,
2070                          net_wm_user_time, cardinal, &time);
2071     if (!got)
2072         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2073
2074     if (got) {
2075         /* we set this every time, not just when it grows, because in practice
2076            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2077            backward we don't want all windows to stop focusing. we'll just
2078            assume noone is setting times older than the last one, cuz that
2079            would be pretty stupid anyways
2080         */
2081         self->user_time = time;
2082
2083         /*ob_debug("window %s user time %u\n", self->title, time);*/
2084     }
2085 }
2086
2087 void client_update_user_time_window(ObClient *self)
2088 {
2089     guint32 w;
2090
2091     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2092         w = None;
2093
2094     if (w != self->user_time_window) {
2095         /* remove the old window */
2096         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2097         self->user_time_window = None;
2098
2099         if (self->group && self->group->leader == w) {
2100             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2101                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2102             /* do it anyways..? */
2103         }
2104         else if (w == self->window) {
2105             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2106                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2107             w = None; /* don't do it */
2108         }
2109
2110         /* add the new window */
2111         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2112         self->user_time_window = w;
2113
2114         /* and update from it */
2115         client_update_user_time(self);
2116     }
2117 }
2118
2119 void client_update_icon_geometry(ObClient *self)
2120 {
2121     guint num;
2122     guint32 *data;
2123
2124     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2125
2126     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2127         && num == 4)
2128     {
2129         /* don't let them set it with an area < 0 */
2130         RECT_SET(self->icon_geometry, data[0], data[1],
2131                  MAX(data[2],0), MAX(data[3],0));
2132     }
2133 }
2134
2135 static void client_get_session_ids(ObClient *self)
2136 {
2137     guint32 leader;
2138     gboolean got;
2139     gchar *s;
2140     gchar **ss;
2141
2142     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2143         leader = None;
2144
2145     /* get the SM_CLIENT_ID */
2146     got = FALSE;
2147     if (leader)
2148         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2149     if (!got)
2150         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2151
2152     /* get the WM_CLASS (name and class). make them "" if they are not
2153        provided */
2154     got = FALSE;
2155     if (leader)
2156         got = PROP_GETSS(leader, wm_class, locale, &ss);
2157     if (!got)
2158         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2159
2160     if (got) {
2161         if (ss[0]) {
2162             self->name = g_strdup(ss[0]);
2163             if (ss[1])
2164                 self->class = g_strdup(ss[1]);
2165         }
2166         g_strfreev(ss);
2167     }
2168
2169     if (self->name == NULL) self->name = g_strdup("");
2170     if (self->class == NULL) self->class = g_strdup("");
2171
2172     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2173     got = FALSE;
2174     if (leader)
2175         got = PROP_GETS(leader, wm_window_role, locale, &s);
2176     if (!got)
2177         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2178
2179     if (got)
2180         self->role = s;
2181     else
2182         self->role = g_strdup("");
2183
2184     /* get the WM_COMMAND */
2185     got = FALSE;
2186
2187     if (leader)
2188         got = PROP_GETSS(leader, wm_command, locale, &ss);
2189     if (!got)
2190         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2191
2192     if (got) {
2193         /* merge/mash them all together */
2194         gchar *merge = NULL;
2195         gint i;
2196
2197         for (i = 0; ss[i]; ++i) {
2198             gchar *tmp = merge;
2199             if (merge)
2200                 merge = g_strconcat(merge, ss[i], NULL);
2201             else
2202                 merge = g_strconcat(ss[i], NULL);
2203             g_free(tmp);
2204         }
2205         g_strfreev(ss);
2206
2207         self->wm_command = merge;
2208     }
2209
2210     /* get the WM_CLIENT_MACHINE */
2211     got = FALSE;
2212     if (leader)
2213         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2214     if (!got)
2215         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2216
2217     if (got) {
2218         gchar localhost[128];
2219
2220         gethostname(localhost, 127);
2221         localhost[127] = '\0';
2222         if (strcmp(localhost, s) != 0)
2223             self->client_machine = s;
2224         else
2225             g_free(s);
2226     }
2227 }
2228
2229 static void client_change_wm_state(ObClient *self)
2230 {
2231     gulong state[2];
2232     glong old;
2233
2234     old = self->wmstate;
2235
2236     if (self->shaded || self->iconic ||
2237         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2238     {
2239         self->wmstate = IconicState;
2240     } else
2241         self->wmstate = NormalState;
2242
2243     if (old != self->wmstate) {
2244         PROP_MSG(self->window, kde_wm_change_state,
2245                  self->wmstate, 1, 0, 0);
2246
2247         state[0] = self->wmstate;
2248         state[1] = None;
2249         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2250     }
2251 }
2252
2253 static void client_change_state(ObClient *self)
2254 {
2255     gulong netstate[11];
2256     guint num;
2257
2258     num = 0;
2259     if (self->modal)
2260         netstate[num++] = prop_atoms.net_wm_state_modal;
2261     if (self->shaded)
2262         netstate[num++] = prop_atoms.net_wm_state_shaded;
2263     if (self->iconic)
2264         netstate[num++] = prop_atoms.net_wm_state_hidden;
2265     if (self->skip_taskbar)
2266         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2267     if (self->skip_pager)
2268         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2269     if (self->fullscreen)
2270         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2271     if (self->max_vert)
2272         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2273     if (self->max_horz)
2274         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2275     if (self->above)
2276         netstate[num++] = prop_atoms.net_wm_state_above;
2277     if (self->below)
2278         netstate[num++] = prop_atoms.net_wm_state_below;
2279     if (self->demands_attention)
2280         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2281     if (self->undecorated)
2282         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2283     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2284
2285     if (self->frame)
2286         frame_adjust_state(self->frame);
2287 }
2288
2289 ObClient *client_search_focus_tree(ObClient *self)
2290 {
2291     GSList *it;
2292     ObClient *ret;
2293
2294     for (it = self->transients; it; it = g_slist_next(it)) {
2295         if (client_focused(it->data)) return it->data;
2296         if ((ret = client_search_focus_tree(it->data))) return ret;
2297     }
2298     return NULL;
2299 }
2300
2301 ObClient *client_search_focus_tree_full(ObClient *self)
2302 {
2303     if (self->transient_for) {
2304         if (self->transient_for != OB_TRAN_GROUP) {
2305             return client_search_focus_tree_full(self->transient_for);
2306         } else {
2307             GSList *it;
2308             gboolean recursed = FALSE;
2309         
2310             for (it = self->group->members; it; it = g_slist_next(it))
2311                 if (!((ObClient*)it->data)->transient_for) {
2312                     ObClient *c;
2313                     if ((c = client_search_focus_tree_full(it->data)))
2314                         return c;
2315                     recursed = TRUE;
2316                 }
2317             if (recursed)
2318                 return NULL;
2319         }
2320     }
2321
2322     /* this function checks the whole tree, the client_search_focus_tree~
2323        does not, so we need to check this window */
2324     if (client_focused(self))
2325         return self;
2326     return client_search_focus_tree(self);
2327 }
2328
2329 static ObStackingLayer calc_layer(ObClient *self)
2330 {
2331     ObStackingLayer l;
2332
2333     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2334         l = OB_STACKING_LAYER_DESKTOP;
2335     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2336         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2337         else l = OB_STACKING_LAYER_ABOVE;
2338     }
2339     else if ((self->fullscreen ||
2340               /* No decorations and fills the monitor = oldskool fullscreen.
2341                  But not for undecorated windows, because the user can do that
2342               */
2343               (self->decorations == 0 &&
2344                !self->undecorated &&
2345                RECT_EQUAL(self->area,
2346                           *screen_physical_area_monitor
2347                           (client_monitor(self))))) &&
2348              (client_focused(self) || client_search_focus_tree(self)))
2349         l = OB_STACKING_LAYER_FULLSCREEN;
2350     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2351     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2352     else l = OB_STACKING_LAYER_NORMAL;
2353
2354     return l;
2355 }
2356
2357 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2358                                         ObStackingLayer min)
2359 {
2360     ObStackingLayer old, own;
2361     GSList *it;
2362
2363     old = self->layer;
2364     own = calc_layer(self);
2365     self->layer = MAX(own, min);
2366
2367     if (self->layer != old) {
2368         stacking_remove(CLIENT_AS_WINDOW(self));
2369         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2370     }
2371
2372     for (it = self->transients; it; it = g_slist_next(it))
2373         client_calc_layer_recursive(it->data, orig,
2374                                     self->layer);
2375 }
2376
2377 void client_calc_layer(ObClient *self)
2378 {
2379     ObClient *orig;
2380     GSList *it;
2381
2382     orig = self;
2383
2384     /* transients take on the layer of their parents */
2385     it = client_search_all_top_parents(self);
2386
2387     for (; it; it = g_slist_next(it))
2388         client_calc_layer_recursive(it->data, orig, 0);
2389 }
2390
2391 gboolean client_should_show(ObClient *self)
2392 {
2393     if (self->iconic)
2394         return FALSE;
2395     if (client_normal(self) && screen_showing_desktop)
2396         return FALSE;
2397     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2398         return TRUE;
2399     
2400     return FALSE;
2401 }
2402
2403 gboolean client_show(ObClient *self)
2404 {
2405     gboolean show = FALSE;
2406
2407     if (client_should_show(self)) {
2408         frame_show(self->frame);
2409         show = TRUE;
2410     }
2411
2412     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2413        needs to be in IconicState. This includes when it is on another
2414        desktop!
2415     */
2416     client_change_wm_state(self);
2417     return show;
2418 }
2419
2420 gboolean client_hide(ObClient *self)
2421 {
2422     gboolean hide = FALSE;
2423
2424     if (!client_should_show(self)) {
2425         if (self == focus_client) {
2426             /* if there is a grab going on, then we need to cancel it. if we
2427                move focus during the grab, applications will get
2428                NotifyWhileGrabbed events and ignore them !
2429
2430                actions should not rely on being able to move focus during an
2431                interactive grab.
2432             */
2433             if (keyboard_interactively_grabbed())
2434                 keyboard_interactive_cancel();
2435         }
2436
2437         frame_hide(self->frame);
2438         hide = TRUE;
2439     }
2440
2441     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2442        needs to be in IconicState. This includes when it is on another
2443        desktop!
2444     */
2445     client_change_wm_state(self);
2446     return hide;
2447 }
2448
2449 void client_showhide(ObClient *self)
2450 {
2451     if (!client_show(self))
2452         client_hide(self);
2453
2454     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2455        needs to be in IconicState. This includes when it is on another
2456        desktop!
2457     */
2458     client_change_wm_state(self);
2459 }
2460
2461 gboolean client_normal(ObClient *self) {
2462     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2463               self->type == OB_CLIENT_TYPE_DOCK ||
2464               self->type == OB_CLIENT_TYPE_SPLASH);
2465 }
2466
2467 gboolean client_helper(ObClient *self)
2468 {
2469     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2470             self->type == OB_CLIENT_TYPE_MENU ||
2471             self->type == OB_CLIENT_TYPE_TOOLBAR);
2472 }
2473
2474 gboolean client_mouse_focusable(ObClient *self)
2475 {
2476     return !(self->type == OB_CLIENT_TYPE_MENU ||
2477              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2478              self->type == OB_CLIENT_TYPE_SPLASH ||
2479              self->type == OB_CLIENT_TYPE_DOCK);
2480 }
2481
2482 gboolean client_enter_focusable(ObClient *self)
2483 {
2484     /* you can focus desktops but it shouldn't on enter */
2485     return (client_mouse_focusable(self) &&
2486             self->type != OB_CLIENT_TYPE_DESKTOP);
2487 }
2488
2489
2490 static void client_apply_startup_state(ObClient *self)
2491 {
2492     /* set the desktop hint, to make sure that it always exists */
2493     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2494
2495     /* these are in a carefully crafted order.. */
2496
2497     if (self->iconic) {
2498         self->iconic = FALSE;
2499         client_iconify(self, TRUE, FALSE, TRUE);
2500     }
2501     if (self->fullscreen) {
2502         self->fullscreen = FALSE;
2503         client_fullscreen(self, TRUE);
2504     }
2505     if (self->undecorated) {
2506         self->undecorated = FALSE;
2507         client_set_undecorated(self, TRUE);
2508     }
2509     if (self->shaded) {
2510         self->shaded = FALSE;
2511         client_shade(self, TRUE);
2512     }
2513     if (self->demands_attention) {
2514         self->demands_attention = FALSE;
2515         client_hilite(self, TRUE);
2516     }
2517   
2518     if (self->max_vert && self->max_horz) {
2519         self->max_vert = self->max_horz = FALSE;
2520         client_maximize(self, TRUE, 0);
2521     } else if (self->max_vert) {
2522         self->max_vert = FALSE;
2523         client_maximize(self, TRUE, 2);
2524     } else if (self->max_horz) {
2525         self->max_horz = FALSE;
2526         client_maximize(self, TRUE, 1);
2527     }
2528
2529     /* nothing to do for the other states:
2530        skip_taskbar
2531        skip_pager
2532        modal
2533        above
2534        below
2535     */
2536 }
2537
2538 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2539                             gint w, gint h)
2540 {
2541     gint oldg = self->gravity;
2542
2543     /* get the frame's position from the requested stuff */
2544     self->gravity = gravity;
2545     frame_client_gravity(self->frame, x, y, w, h);
2546     self->gravity = oldg;
2547
2548     /* get the client's position in its true gravity from that */
2549     frame_frame_gravity(self->frame, x, y, w, h);
2550 }
2551
2552 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2553                           gint *logicalw, gint *logicalh,
2554                           gboolean user)
2555 {
2556     Rect desired_area = {*x, *y, *w, *h};
2557
2558     /* make the frame recalculate its dimentions n shit without changing
2559        anything visible for real, this way the constraints below can work with
2560        the updated frame dimensions. */
2561     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2562
2563     /* work within the prefered sizes given by the window */
2564     if (!(*w == self->area.width && *h == self->area.height)) {
2565         gint basew, baseh, minw, minh;
2566
2567         /* base size is substituted with min size if not specified */
2568         if (self->base_size.width || self->base_size.height) {
2569             basew = self->base_size.width;
2570             baseh = self->base_size.height;
2571         } else {
2572             basew = self->min_size.width;
2573             baseh = self->min_size.height;
2574         }
2575         /* min size is substituted with base size if not specified */
2576         if (self->min_size.width || self->min_size.height) {
2577             minw = self->min_size.width;
2578             minh = self->min_size.height;
2579         } else {
2580             minw = self->base_size.width;
2581             minh = self->base_size.height;
2582         }
2583
2584         /* if this is a user-requested resize, then check against min/max
2585            sizes */
2586
2587         /* smaller than min size or bigger than max size? */
2588         if (*w > self->max_size.width) *w = self->max_size.width;
2589         if (*w < minw) *w = minw;
2590         if (*h > self->max_size.height) *h = self->max_size.height;
2591         if (*h < minh) *h = minh;
2592
2593         *w -= basew;
2594         *h -= baseh;
2595
2596         /* keep to the increments */
2597         *w /= self->size_inc.width;
2598         *h /= self->size_inc.height;
2599
2600         /* you cannot resize to nothing */
2601         if (basew + *w < 1) *w = 1 - basew;
2602         if (baseh + *h < 1) *h = 1 - baseh;
2603   
2604         /* save the logical size */
2605         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2606         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2607
2608         *w *= self->size_inc.width;
2609         *h *= self->size_inc.height;
2610
2611         *w += basew;
2612         *h += baseh;
2613
2614         /* adjust the height to match the width for the aspect ratios.
2615            for this, min size is not substituted for base size ever. */
2616         *w -= self->base_size.width;
2617         *h -= self->base_size.height;
2618
2619         if (!self->fullscreen) {
2620             if (self->min_ratio)
2621                 if (*h * self->min_ratio > *w) {
2622                     *h = (gint)(*w / self->min_ratio);
2623
2624                     /* you cannot resize to nothing */
2625                     if (*h < 1) {
2626                         *h = 1;
2627                         *w = (gint)(*h * self->min_ratio);
2628                     }
2629                 }
2630             if (self->max_ratio)
2631                 if (*h * self->max_ratio < *w) {
2632                     *h = (gint)(*w / self->max_ratio);
2633
2634                     /* you cannot resize to nothing */
2635                     if (*h < 1) {
2636                         *h = 1;
2637                         *w = (gint)(*h * self->min_ratio);
2638                     }
2639                 }
2640         }
2641
2642         *w += self->base_size.width;
2643         *h += self->base_size.height;
2644     }
2645
2646     /* gets the frame's position */
2647     frame_client_gravity(self->frame, x, y, *w, *h);
2648
2649     /* these positions are frame positions, not client positions */
2650
2651     /* set the size and position if fullscreen */
2652     if (self->fullscreen) {
2653         Rect *a;
2654         guint i;
2655
2656         i = screen_find_monitor(&desired_area);
2657         a = screen_physical_area_monitor(i);
2658
2659         *x = a->x;
2660         *y = a->y;
2661         *w = a->width;
2662         *h = a->height;
2663
2664         user = FALSE; /* ignore if the client can't be moved/resized when it
2665                          is entering fullscreen */
2666     } else if (self->max_horz || self->max_vert) {
2667         Rect *a;
2668         guint i;
2669
2670         i = screen_find_monitor(&desired_area);
2671         a = screen_area_monitor(self->desktop, i);
2672
2673         /* set the size and position if maximized */
2674         if (self->max_horz) {
2675             *x = a->x;
2676             *w = a->width - self->frame->size.left - self->frame->size.right;
2677         }
2678         if (self->max_vert) {
2679             *y = a->y;
2680             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2681         }
2682
2683         /* maximizing is not allowed if the user can't move+resize the window
2684          */
2685     }
2686
2687     /* gets the client's position */
2688     frame_frame_gravity(self->frame, x, y, *w, *h);
2689
2690     /* these override the above states! if you cant move you can't move! */
2691     if (user) {
2692         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2693             *x = self->area.x;
2694             *y = self->area.y;
2695         }
2696         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2697             *w = self->area.width;
2698             *h = self->area.height;
2699         }
2700     }
2701
2702     g_assert(*w > 0);
2703     g_assert(*h > 0);
2704 }
2705
2706
2707 void client_configure_full(ObClient *self, gint x, gint y, gint w, gint h,
2708                            gboolean user, gboolean final)
2709 {
2710     gint oldw, oldh;
2711     gboolean send_resize_client;
2712     gboolean moved = FALSE, resized = FALSE;
2713     guint fdecor = self->frame->decorations;
2714     gboolean fhorz = self->frame->max_horz;
2715     gint logicalw, logicalh;
2716
2717     /* find the new x, y, width, and height (and logical size) */
2718     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2719
2720     /* set the logical size if things changed */
2721     if (!(w == self->area.width && h == self->area.height))
2722         SIZE_SET(self->logical_size, logicalw, logicalh);
2723
2724     /* figure out if we moved or resized or what */
2725     moved = x != self->area.x || y != self->area.y;
2726     resized = w != self->area.width || h != self->area.height;
2727
2728     oldw = self->area.width;
2729     oldh = self->area.height;
2730     RECT_SET(self->area, x, y, w, h);
2731
2732     /* for app-requested resizes, always resize if 'resized' is true.
2733        for user-requested ones, only resize if final is true, or when
2734        resizing in redraw mode */
2735     send_resize_client = ((!user && resized) ||
2736                           (user && (final ||
2737                                     (resized && config_resize_redraw))));
2738
2739     /* if the client is enlarging, then resize the client before the frame */
2740     if (send_resize_client && (w > oldw || h > oldh)) {
2741         XResizeWindow(ob_display, self->window,
2742                       MAX(w, oldw), MAX(h, oldh));
2743         /* resize the plate to show the client padding color underneath */
2744         frame_adjust_client_area(self->frame);
2745     }
2746
2747     /* find the frame's dimensions and move/resize it */
2748     if (self->decorations != fdecor || self->max_horz != fhorz)
2749         moved = resized = TRUE;
2750     if (moved || resized)
2751         frame_adjust_area(self->frame, moved, resized, FALSE);
2752
2753     if ((!user || (user && final)) && !resized)
2754     {
2755         XEvent event;
2756
2757         POINT_SET(self->root_pos,
2758                   self->frame->area.x + self->frame->size.left -
2759                   self->border_width,
2760                   self->frame->area.y + self->frame->size.top -
2761                   self->border_width);
2762
2763         event.type = ConfigureNotify;
2764         event.xconfigure.display = ob_display;
2765         event.xconfigure.event = self->window;
2766         event.xconfigure.window = self->window;
2767
2768         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2769                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2770
2771         /* root window real coords */
2772         event.xconfigure.x = self->root_pos.x;
2773         event.xconfigure.y = self->root_pos.y;
2774         event.xconfigure.width = w;
2775         event.xconfigure.height = h;
2776         event.xconfigure.border_width = 0;
2777         event.xconfigure.above = self->frame->plate;
2778         event.xconfigure.override_redirect = FALSE;
2779         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2780                    FALSE, StructureNotifyMask, &event);
2781     }
2782
2783     /* if the client is shrinking, then resize the frame before the client */
2784     if (send_resize_client && (w <= oldw || h <= oldh)) {
2785         /* resize the plate to show the client padding color underneath */
2786         frame_adjust_client_area(self->frame);
2787
2788         if (send_resize_client)
2789             XResizeWindow(ob_display, self->window, w, h);
2790     }
2791
2792     XFlush(ob_display);
2793 }
2794
2795 void client_fullscreen(ObClient *self, gboolean fs)
2796 {
2797     gint x, y, w, h;
2798
2799     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2800         self->fullscreen == fs) return;                   /* already done */
2801
2802     self->fullscreen = fs;
2803     client_change_state(self); /* change the state hints on the client */
2804
2805     if (fs) {
2806         self->pre_fullscreen_area = self->area;
2807         /* if the window is maximized, its area isn't all that meaningful.
2808            save it's premax area instead. */
2809         if (self->max_horz) {
2810             self->pre_fullscreen_area.x = self->pre_max_area.x;
2811             self->pre_fullscreen_area.width = self->pre_max_area.width;
2812         }
2813         if (self->max_vert) {
2814             self->pre_fullscreen_area.y = self->pre_max_area.y;
2815             self->pre_fullscreen_area.height = self->pre_max_area.height;
2816         }
2817
2818         /* these will help configure_full figure out where to fullscreen
2819            the window */
2820         x = self->area.x;
2821         y = self->area.y;
2822         w = self->area.width;
2823         h = self->area.height;
2824     } else {
2825         g_assert(self->pre_fullscreen_area.width > 0 &&
2826                  self->pre_fullscreen_area.height > 0);
2827
2828         x = self->pre_fullscreen_area.x;
2829         y = self->pre_fullscreen_area.y;
2830         w = self->pre_fullscreen_area.width;
2831         h = self->pre_fullscreen_area.height;
2832         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2833     }
2834
2835     client_setup_decor_and_functions(self);
2836
2837     client_move_resize(self, x, y, w, h);
2838
2839     /* and adjust our layer/stacking. do this after resizing the window,
2840        and applying decorations, because windows which fill the screen are
2841        considered "fullscreen" and it affects their layer */
2842     client_calc_layer(self);
2843
2844     if (fs) {
2845         /* try focus us when we go into fullscreen mode */
2846         client_focus(self);
2847     }
2848 }
2849
2850 static void client_iconify_recursive(ObClient *self,
2851                                      gboolean iconic, gboolean curdesk,
2852                                      gboolean hide_animation)
2853 {
2854     GSList *it;
2855     gboolean changed = FALSE;
2856
2857
2858     if (self->iconic != iconic) {
2859         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2860                  self->window);
2861
2862         if (iconic) {
2863             /* don't let non-normal windows iconify along with their parents
2864                or whatever */
2865             if (client_normal(self)) {
2866                 self->iconic = iconic;
2867
2868                 /* update the focus lists.. iconic windows go to the bottom of
2869                    the list, put the new iconic window at the 'top of the
2870                    bottom'. */
2871                 focus_order_to_top(self);
2872
2873                 changed = TRUE;
2874             }
2875         } else {
2876             self->iconic = iconic;
2877
2878             if (curdesk && self->desktop != screen_desktop &&
2879                 self->desktop != DESKTOP_ALL)
2880                 client_set_desktop(self, screen_desktop, FALSE);
2881
2882             /* this puts it after the current focused window */
2883             focus_order_remove(self);
2884             focus_order_add_new(self);
2885
2886             changed = TRUE;
2887         }
2888     }
2889
2890     if (changed) {
2891         client_change_state(self);
2892         if (config_animate_iconify && !hide_animation)
2893             frame_begin_iconify_animation(self->frame, iconic);
2894         /* do this after starting the animation so it doesn't flash */
2895         client_showhide(self);
2896     }
2897
2898     /* iconify all direct transients, and deiconify all transients
2899        (non-direct too) */
2900     for (it = self->transients; it; it = g_slist_next(it))
2901         if (it->data != self)
2902             if (client_is_direct_child(self, it->data) || !iconic)
2903                 client_iconify_recursive(it->data, iconic, curdesk,
2904                                          hide_animation);
2905 }
2906
2907 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2908                     gboolean hide_animation)
2909 {
2910     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2911         /* move up the transient chain as far as possible first */
2912         self = client_search_top_normal_parent(self);
2913         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2914     }
2915 }
2916
2917 void client_maximize(ObClient *self, gboolean max, gint dir)
2918 {
2919     gint x, y, w, h;
2920      
2921     g_assert(dir == 0 || dir == 1 || dir == 2);
2922     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2923
2924     /* check if already done */
2925     if (max) {
2926         if (dir == 0 && self->max_horz && self->max_vert) return;
2927         if (dir == 1 && self->max_horz) return;
2928         if (dir == 2 && self->max_vert) return;
2929     } else {
2930         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2931         if (dir == 1 && !self->max_horz) return;
2932         if (dir == 2 && !self->max_vert) return;
2933     }
2934
2935     /* these will help configure_full figure out which screen to fill with
2936        the window */
2937     x = self->area.x;
2938     y = self->area.y;
2939     w = self->area.width;
2940     h = self->area.height;
2941
2942     if (max) {
2943         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2944             RECT_SET(self->pre_max_area,
2945                      self->area.x, self->pre_max_area.y,
2946                      self->area.width, self->pre_max_area.height);
2947         }
2948         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2949             RECT_SET(self->pre_max_area,
2950                      self->pre_max_area.x, self->area.y,
2951                      self->pre_max_area.width, self->area.height);
2952         }
2953     } else {
2954         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2955             g_assert(self->pre_max_area.width > 0);
2956
2957             x = self->pre_max_area.x;
2958             w = self->pre_max_area.width;
2959
2960             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2961                      0, self->pre_max_area.height);
2962         }
2963         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2964             g_assert(self->pre_max_area.height > 0);
2965
2966             y = self->pre_max_area.y;
2967             h = self->pre_max_area.height;
2968
2969             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2970                      self->pre_max_area.width, 0);
2971         }
2972     }
2973
2974     if (dir == 0 || dir == 1) /* horz */
2975         self->max_horz = max;
2976     if (dir == 0 || dir == 2) /* vert */
2977         self->max_vert = max;
2978
2979     client_change_state(self); /* change the state hints on the client */
2980
2981     client_setup_decor_and_functions(self);
2982
2983     client_move_resize(self, x, y, w, h);
2984 }
2985
2986 void client_shade(ObClient *self, gboolean shade)
2987 {
2988     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2989          shade) ||                         /* can't shade */
2990         self->shaded == shade) return;     /* already done */
2991
2992     self->shaded = shade;
2993     client_change_state(self);
2994     client_change_wm_state(self); /* the window is being hidden/shown */
2995     /* resize the frame to just the titlebar */
2996     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2997 }
2998
2999 void client_close(ObClient *self)
3000 {
3001     XEvent ce;
3002
3003     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3004
3005     /* in the case that the client provides no means to requesting that it
3006        close, we just kill it */
3007     if (!self->delete_window)
3008         client_kill(self);
3009     
3010     /*
3011       XXX: itd be cool to do timeouts and shit here for killing the client's
3012       process off
3013       like... if the window is around after 5 seconds, then the close button
3014       turns a nice red, and if this function is called again, the client is
3015       explicitly killed.
3016     */
3017
3018     ce.xclient.type = ClientMessage;
3019     ce.xclient.message_type =  prop_atoms.wm_protocols;
3020     ce.xclient.display = ob_display;
3021     ce.xclient.window = self->window;
3022     ce.xclient.format = 32;
3023     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3024     ce.xclient.data.l[1] = event_curtime;
3025     ce.xclient.data.l[2] = 0l;
3026     ce.xclient.data.l[3] = 0l;
3027     ce.xclient.data.l[4] = 0l;
3028     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3029 }
3030
3031 void client_kill(ObClient *self)
3032 {
3033     XKillClient(ob_display, self->window);
3034 }
3035
3036 void client_hilite(ObClient *self, gboolean hilite)
3037 {
3038     if (self->demands_attention == hilite)
3039         return; /* no change */
3040
3041     /* don't allow focused windows to hilite */
3042     self->demands_attention = hilite && !client_focused(self);
3043     if (self->frame != NULL) { /* if we're mapping, just set the state */
3044         if (self->demands_attention)
3045             frame_flash_start(self->frame);
3046         else
3047             frame_flash_stop(self->frame);
3048         client_change_state(self);
3049     }
3050 }
3051
3052 void client_set_desktop_recursive(ObClient *self,
3053                                   guint target,
3054                                   gboolean donthide)
3055 {
3056     guint old;
3057     GSList *it;
3058
3059     if (target != self->desktop) {
3060
3061         ob_debug("Setting desktop %u\n", target+1);
3062
3063         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3064
3065         old = self->desktop;
3066         self->desktop = target;
3067         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3068         /* the frame can display the current desktop state */
3069         frame_adjust_state(self->frame);
3070         /* 'move' the window to the new desktop */
3071         if (!donthide)
3072             client_showhide(self);
3073         /* raise if it was not already on the desktop */
3074         if (old != DESKTOP_ALL)
3075             stacking_raise(CLIENT_AS_WINDOW(self));
3076         if (STRUT_EXISTS(self->strut))
3077             screen_update_areas();
3078     }
3079
3080     /* move all transients */
3081     for (it = self->transients; it; it = g_slist_next(it))
3082         if (it->data != self)
3083             if (client_is_direct_child(self, it->data))
3084                 client_set_desktop_recursive(it->data, target, donthide);
3085 }
3086
3087 void client_set_desktop(ObClient *self, guint target,
3088                         gboolean donthide)
3089 {
3090     self = client_search_top_normal_parent(self);
3091     client_set_desktop_recursive(self, target, donthide);
3092 }
3093
3094 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3095 {
3096     while (child != parent &&
3097            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3098         child = child->transient_for;
3099     return child == parent;
3100 }
3101
3102 ObClient *client_search_modal_child(ObClient *self)
3103 {
3104     GSList *it;
3105     ObClient *ret;
3106   
3107     for (it = self->transients; it; it = g_slist_next(it)) {
3108         ObClient *c = it->data;
3109         if ((ret = client_search_modal_child(c))) return ret;
3110         if (c->modal) return c;
3111     }
3112     return NULL;
3113 }
3114
3115 gboolean client_validate(ObClient *self)
3116 {
3117     XEvent e; 
3118
3119     XSync(ob_display, FALSE); /* get all events on the server */
3120
3121     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3122         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3123         XPutBackEvent(ob_display, &e);
3124         return FALSE;
3125     }
3126
3127     return TRUE;
3128 }
3129
3130 void client_set_wm_state(ObClient *self, glong state)
3131 {
3132     if (state == self->wmstate) return; /* no change */
3133   
3134     switch (state) {
3135     case IconicState:
3136         client_iconify(self, TRUE, TRUE, FALSE);
3137         break;
3138     case NormalState:
3139         client_iconify(self, FALSE, TRUE, FALSE);
3140         break;
3141     }
3142 }
3143
3144 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3145 {
3146     gboolean shaded = self->shaded;
3147     gboolean fullscreen = self->fullscreen;
3148     gboolean undecorated = self->undecorated;
3149     gboolean max_horz = self->max_horz;
3150     gboolean max_vert = self->max_vert;
3151     gboolean modal = self->modal;
3152     gboolean iconic = self->iconic;
3153     gboolean demands_attention = self->demands_attention;
3154     gboolean above = self->above;
3155     gboolean below = self->below;
3156     gint i;
3157
3158     if (!(action == prop_atoms.net_wm_state_add ||
3159           action == prop_atoms.net_wm_state_remove ||
3160           action == prop_atoms.net_wm_state_toggle))
3161         /* an invalid action was passed to the client message, ignore it */
3162         return; 
3163
3164     for (i = 0; i < 2; ++i) {
3165         Atom state = i == 0 ? data1 : data2;
3166     
3167         if (!state) continue;
3168
3169         /* if toggling, then pick whether we're adding or removing */
3170         if (action == prop_atoms.net_wm_state_toggle) {
3171             if (state == prop_atoms.net_wm_state_modal)
3172                 action = modal ? prop_atoms.net_wm_state_remove :
3173                     prop_atoms.net_wm_state_add;
3174             else if (state == prop_atoms.net_wm_state_maximized_vert)
3175                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3176                     prop_atoms.net_wm_state_add;
3177             else if (state == prop_atoms.net_wm_state_maximized_horz)
3178                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3179                     prop_atoms.net_wm_state_add;
3180             else if (state == prop_atoms.net_wm_state_shaded)
3181                 action = shaded ? prop_atoms.net_wm_state_remove :
3182                     prop_atoms.net_wm_state_add;
3183             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3184                 action = self->skip_taskbar ?
3185                     prop_atoms.net_wm_state_remove :
3186                     prop_atoms.net_wm_state_add;
3187             else if (state == prop_atoms.net_wm_state_skip_pager)
3188                 action = self->skip_pager ?
3189                     prop_atoms.net_wm_state_remove :
3190                     prop_atoms.net_wm_state_add;
3191             else if (state == prop_atoms.net_wm_state_hidden)
3192                 action = self->iconic ?
3193                     prop_atoms.net_wm_state_remove :
3194                     prop_atoms.net_wm_state_add;
3195             else if (state == prop_atoms.net_wm_state_fullscreen)
3196                 action = fullscreen ?
3197                     prop_atoms.net_wm_state_remove :
3198                     prop_atoms.net_wm_state_add;
3199             else if (state == prop_atoms.net_wm_state_above)
3200                 action = self->above ? prop_atoms.net_wm_state_remove :
3201                     prop_atoms.net_wm_state_add;
3202             else if (state == prop_atoms.net_wm_state_below)
3203                 action = self->below ? prop_atoms.net_wm_state_remove :
3204                     prop_atoms.net_wm_state_add;
3205             else if (state == prop_atoms.net_wm_state_demands_attention)
3206                 action = self->demands_attention ?
3207                     prop_atoms.net_wm_state_remove :
3208                     prop_atoms.net_wm_state_add;
3209             else if (state == prop_atoms.ob_wm_state_undecorated)
3210                 action = undecorated ? prop_atoms.net_wm_state_remove :
3211                     prop_atoms.net_wm_state_add;
3212         }
3213     
3214         if (action == prop_atoms.net_wm_state_add) {
3215             if (state == prop_atoms.net_wm_state_modal) {
3216                 modal = TRUE;
3217             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3218                 max_vert = TRUE;
3219             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3220                 max_horz = TRUE;
3221             } else if (state == prop_atoms.net_wm_state_shaded) {
3222                 shaded = TRUE;
3223             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3224                 self->skip_taskbar = TRUE;
3225             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3226                 self->skip_pager = TRUE;
3227             } else if (state == prop_atoms.net_wm_state_hidden) {
3228                 iconic = TRUE;
3229             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3230                 fullscreen = TRUE;
3231             } else if (state == prop_atoms.net_wm_state_above) {
3232                 above = TRUE;
3233                 below = FALSE;
3234             } else if (state == prop_atoms.net_wm_state_below) {
3235                 above = FALSE;
3236                 below = TRUE;
3237             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3238                 demands_attention = TRUE;
3239             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3240                 undecorated = TRUE;
3241             }
3242
3243         } else { /* action == prop_atoms.net_wm_state_remove */
3244             if (state == prop_atoms.net_wm_state_modal) {
3245                 modal = FALSE;
3246             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3247                 max_vert = FALSE;
3248             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3249                 max_horz = FALSE;
3250             } else if (state == prop_atoms.net_wm_state_shaded) {
3251                 shaded = FALSE;
3252             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3253                 self->skip_taskbar = FALSE;
3254             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3255                 self->skip_pager = FALSE;
3256             } else if (state == prop_atoms.net_wm_state_hidden) {
3257                 iconic = FALSE;
3258             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3259                 fullscreen = FALSE;
3260             } else if (state == prop_atoms.net_wm_state_above) {
3261                 above = FALSE;
3262             } else if (state == prop_atoms.net_wm_state_below) {
3263                 below = FALSE;
3264             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3265                 demands_attention = FALSE;
3266             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3267                 undecorated = FALSE;
3268             }
3269         }
3270     }
3271
3272     /* Grab pointer across these, so it is the same as actions. Enter events
3273        won't be generated by the windows moving around */
3274     grab_pointer(FALSE, FALSE, OB_CURSOR_NONE);
3275
3276     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3277         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3278             /* toggling both */
3279             if (max_horz == max_vert) { /* both going the same way */
3280                 client_maximize(self, max_horz, 0);
3281             } else {
3282                 client_maximize(self, max_horz, 1);
3283                 client_maximize(self, max_vert, 2);
3284             }
3285         } else {
3286             /* toggling one */
3287             if (max_horz != self->max_horz)
3288                 client_maximize(self, max_horz, 1);
3289             else
3290                 client_maximize(self, max_vert, 2);
3291         }
3292     }
3293     /* change fullscreen state before shading, as it will affect if the window
3294        can shade or not */
3295     if (fullscreen != self->fullscreen)
3296         client_fullscreen(self, fullscreen);
3297     if (shaded != self->shaded)
3298         client_shade(self, shaded);
3299     if (undecorated != self->undecorated)
3300         client_set_undecorated(self, undecorated);
3301     if (above != self->above || below != self->below) {
3302         self->above = above;
3303         self->below = below;
3304         client_calc_layer(self);
3305     }
3306
3307     /* These things below can change focus so we can't grab pointer for them */
3308     ungrab_pointer();
3309
3310     if (modal != self->modal) {
3311         self->modal = modal;
3312         /* when a window changes modality, then its stacking order with its
3313            transients needs to change */
3314         stacking_raise(CLIENT_AS_WINDOW(self));
3315         /* it also may get focused. if something is focused that shouldn't
3316            be focused anymore, then move the focus */
3317         if (focus_client && client_focus_target(focus_client) != focus_client)
3318             client_focus(focus_client);
3319     }
3320     if (iconic != self->iconic)
3321         client_iconify(self, iconic, FALSE, FALSE);
3322
3323     if (demands_attention != self->demands_attention)
3324         client_hilite(self, demands_attention);
3325
3326     client_change_state(self); /* change the hint to reflect these changes */
3327 }
3328
3329 ObClient *client_focus_target(ObClient *self)
3330 {
3331     ObClient *child = NULL;
3332
3333     child = client_search_modal_child(self);
3334     if (child) return child;
3335     return self;
3336 }
3337
3338 gboolean client_can_focus(ObClient *self)
3339 {
3340     /* choose the correct target */
3341     self = client_focus_target(self);
3342
3343     if (!self->frame->visible)
3344         return FALSE;
3345
3346     if (!(self->can_focus || self->focus_notify))
3347         return FALSE;
3348
3349     return TRUE;
3350 }
3351
3352 gboolean client_focus(ObClient *self)
3353 {
3354     /* choose the correct target */
3355     self = client_focus_target(self);
3356
3357     if (!client_can_focus(self)) {
3358         if (!self->frame->visible) {
3359             /* update the focus lists */
3360             focus_order_to_top(self);
3361         }
3362         return FALSE;
3363     }
3364
3365     ob_debug_type(OB_DEBUG_FOCUS,
3366                   "Focusing client \"%s\" at time %u\n",
3367                   self->title, event_curtime);
3368
3369     /* if there is a grab going on, then we need to cancel it. if we move
3370        focus during the grab, applications will get NotifyWhileGrabbed events
3371        and ignore them !
3372
3373        actions should not rely on being able to move focus during an
3374        interactive grab.
3375     */
3376     if (keyboard_interactively_grabbed())
3377         keyboard_interactive_cancel();
3378
3379     xerror_set_ignore(TRUE);
3380     xerror_occured = FALSE;
3381
3382     if (self->can_focus) {
3383         /* This can cause a BadMatch error with CurrentTime, or if an app
3384            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3385         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3386                        event_curtime);
3387     }
3388
3389     if (self->focus_notify) {
3390         XEvent ce;
3391         ce.xclient.type = ClientMessage;
3392         ce.xclient.message_type = prop_atoms.wm_protocols;
3393         ce.xclient.display = ob_display;
3394         ce.xclient.window = self->window;
3395         ce.xclient.format = 32;
3396         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3397         ce.xclient.data.l[1] = event_curtime;
3398         ce.xclient.data.l[2] = 0l;
3399         ce.xclient.data.l[3] = 0l;
3400         ce.xclient.data.l[4] = 0l;
3401         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3402     }
3403
3404     xerror_set_ignore(FALSE);
3405
3406     return !xerror_occured;
3407 }
3408
3409 /*! Present the client to the user.
3410   @param raise If the client should be raised or not. You should only set
3411                raise to false if you don't care if the window is completely
3412                hidden.
3413 */
3414 static void client_present(ObClient *self, gboolean here, gboolean raise)
3415 {
3416     /* if using focus_delay, stop the timer now so that focus doesn't
3417        go moving on us */
3418     event_halt_focus_delay();
3419
3420     if (client_normal(self) && screen_showing_desktop)
3421         screen_show_desktop(FALSE, self);
3422     if (self->iconic)
3423         client_iconify(self, FALSE, here, FALSE);
3424     if (self->desktop != DESKTOP_ALL &&
3425         self->desktop != screen_desktop)
3426     {
3427         if (here)
3428             client_set_desktop(self, screen_desktop, FALSE);
3429         else
3430             screen_set_desktop(self->desktop, FALSE);
3431     } else if (!self->frame->visible)
3432         /* if its not visible for other reasons, then don't mess
3433            with it */
3434         return;
3435     if (self->shaded)
3436         client_shade(self, FALSE);
3437     if (raise)
3438         stacking_raise(CLIENT_AS_WINDOW(self));
3439
3440     client_focus(self);
3441 }
3442
3443 void client_activate(ObClient *self, gboolean here, gboolean user)
3444 {
3445     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3446     gboolean allow = FALSE;
3447
3448     /* if the request came from the user, or if nothing is focused, then grant
3449        the request.
3450        if the currently focused app doesn't set a user_time, then it can't
3451        benefit from any focus stealing prevention.
3452     */
3453     if (user || !focus_client || !last_time)
3454         allow = TRUE;
3455     /* otherwise, if they didn't give a time stamp or if it is too old, they
3456        don't get focus */
3457     else
3458         allow = event_curtime && event_time_after(event_curtime, last_time);
3459
3460     ob_debug_type(OB_DEBUG_FOCUS,
3461                   "Want to activate window 0x%x with time %u (last time %u), "
3462                   "source=%s allowing? %d\n",
3463                   self->window, event_curtime, last_time,
3464                   (user ? "user" : "application"), allow);
3465
3466     if (allow) {
3467         if (event_curtime != CurrentTime)
3468             self->user_time = event_curtime;
3469
3470         client_present(self, here, TRUE);
3471     } else
3472         /* don't focus it but tell the user it wants attention */
3473         client_hilite(self, TRUE);
3474 }
3475
3476 static void client_bring_helper_windows_recursive(ObClient *self,
3477                                                   guint desktop)
3478 {
3479     GSList *it;
3480
3481     for (it = self->transients; it; it = g_slist_next(it))
3482         client_bring_helper_windows_recursive(it->data, desktop);
3483
3484     if (client_helper(self) &&
3485         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3486     {
3487         client_set_desktop(self, desktop, FALSE);
3488     }
3489 }
3490
3491 void client_bring_helper_windows(ObClient *self)
3492 {
3493     client_bring_helper_windows_recursive(self, self->desktop);
3494 }
3495
3496 gboolean client_focused(ObClient *self)
3497 {
3498     return self == focus_client;
3499 }
3500
3501 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3502 {
3503     guint i;
3504     gulong min_diff, min_i;
3505
3506     if (!self->nicons) {
3507         ObClientIcon *parent = NULL;
3508
3509         if (self->transient_for) {
3510             if (self->transient_for != OB_TRAN_GROUP)
3511                 parent = client_icon_recursive(self->transient_for, w, h);
3512             else {
3513                 GSList *it;
3514                 for (it = self->group->members; it; it = g_slist_next(it)) {
3515                     ObClient *c = it->data;
3516                     if (c != self && !c->transient_for) {
3517                         if ((parent = client_icon_recursive(c, w, h)))
3518                             break;
3519                     }
3520                 }
3521             }
3522         }
3523         
3524         return parent;
3525     }
3526
3527     /* some kind of crappy approximation to find the icon closest in size to
3528        what we requested, but icons are generally all the same ratio as
3529        eachother so it's good enough. */
3530
3531     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3532     min_i = 0;
3533
3534     for (i = 1; i < self->nicons; ++i) {
3535         gulong diff;
3536
3537         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3538         if (diff < min_diff) {
3539             min_diff = diff;
3540             min_i = i;
3541         }
3542     }
3543     return &self->icons[min_i];
3544 }
3545
3546 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3547 {
3548     ObClientIcon *ret;
3549     static ObClientIcon deficon;
3550
3551     if (!(ret = client_icon_recursive(self, w, h))) {
3552         deficon.width = deficon.height = 48;
3553         deficon.data = ob_rr_theme->def_win_icon;
3554         ret = &deficon;
3555     }
3556     return ret;
3557 }
3558
3559 void client_set_layer(ObClient *self, gint layer)
3560 {
3561     if (layer < 0) {
3562         self->below = TRUE;
3563         self->above = FALSE;
3564     } else if (layer == 0) {
3565         self->below = self->above = FALSE;
3566     } else {
3567         self->below = FALSE;
3568         self->above = TRUE;
3569     }
3570     client_calc_layer(self);
3571     client_change_state(self); /* reflect this in the state hints */
3572 }
3573
3574 void client_set_undecorated(ObClient *self, gboolean undecorated)
3575 {
3576     if (self->undecorated != undecorated) {
3577         self->undecorated = undecorated;
3578         client_setup_decor_and_functions(self);
3579         /* Make sure the client knows it might have moved. Maybe there is a
3580          * better way of doing this so only one client_configure is sent, but
3581          * since 125 of these are sent per second when moving the window (with
3582          * user = FALSE) i doubt it matters much.
3583          */
3584         client_configure(self, self->area.x, self->area.y,
3585                          self->area.width, self->area.height, TRUE, TRUE);
3586         client_change_state(self); /* reflect this in the state hints */
3587     }
3588 }
3589
3590 guint client_monitor(ObClient *self)
3591 {
3592     return screen_find_monitor(&self->frame->area);
3593 }
3594
3595 ObClient *client_search_top_normal_parent(ObClient *self)
3596 {
3597     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3598            client_normal(self->transient_for))
3599         self = self->transient_for;
3600     return self;
3601 }
3602
3603 static GSList *client_search_all_top_parents_internal(ObClient *self,
3604                                                       gboolean bylayer,
3605                                                       ObStackingLayer layer)
3606 {
3607     GSList *ret = NULL;
3608     
3609     /* move up the direct transient chain as far as possible */
3610     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3611            (!bylayer || self->transient_for->layer == layer) &&
3612            client_normal(self->transient_for))
3613         self = self->transient_for;
3614
3615     if (!self->transient_for)
3616         ret = g_slist_prepend(ret, self);
3617     else {
3618             GSList *it;
3619
3620             g_assert(self->group);
3621
3622             for (it = self->group->members; it; it = g_slist_next(it)) {
3623                 ObClient *c = it->data;
3624
3625                 if (!c->transient_for && client_normal(c) &&
3626                     (!bylayer || c->layer == layer))
3627                 {
3628                     ret = g_slist_prepend(ret, c);
3629                 }
3630             }
3631
3632             if (ret == NULL) /* no group parents */
3633                 ret = g_slist_prepend(ret, self);
3634     }
3635
3636     return ret;
3637 }
3638
3639 GSList *client_search_all_top_parents(ObClient *self)
3640 {
3641     return client_search_all_top_parents_internal(self, FALSE, 0);
3642 }
3643
3644 GSList *client_search_all_top_parents_layer(ObClient *self)
3645 {
3646     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3647 }
3648
3649 ObClient *client_search_focus_parent(ObClient *self)
3650 {
3651     if (self->transient_for) {
3652         if (self->transient_for != OB_TRAN_GROUP) {
3653             if (client_focused(self->transient_for))
3654                 return self->transient_for;
3655         } else {
3656             GSList *it;
3657
3658             for (it = self->group->members; it; it = g_slist_next(it)) {
3659                 ObClient *c = it->data;
3660
3661                 /* checking transient_for prevents infinate loops! */
3662                 if (c != self && !c->transient_for)
3663                     if (client_focused(c))
3664                         return c;
3665             }
3666         }
3667     }
3668
3669     return NULL;
3670 }
3671
3672 ObClient *client_search_parent(ObClient *self, ObClient *search)
3673 {
3674     if (self->transient_for) {
3675         if (self->transient_for != OB_TRAN_GROUP) {
3676             if (self->transient_for == search)
3677                 return search;
3678         } else {
3679             GSList *it;
3680
3681             for (it = self->group->members; it; it = g_slist_next(it)) {
3682                 ObClient *c = it->data;
3683
3684                 /* checking transient_for prevents infinate loops! */
3685                 if (c != self && !c->transient_for)
3686                     if (c == search)
3687                         return search;
3688             }
3689         }
3690     }
3691
3692     return NULL;
3693 }
3694
3695 ObClient *client_search_transient(ObClient *self, ObClient *search)
3696 {
3697     GSList *sit;
3698
3699     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3700         if (sit->data == search)
3701             return search;
3702         if (client_search_transient(sit->data, search))
3703             return search;
3704     }
3705     return NULL;
3706 }
3707
3708 #define WANT_EDGE(cur, c) \
3709             if(cur == c)                                                      \
3710                 continue;                                                     \
3711             if(!client_normal(cur))                                           \
3712                 continue;                                                     \
3713             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3714                 continue;                                                     \
3715             if(cur->iconic)                                                   \
3716                 continue;
3717
3718 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3719             if ((his_edge_start >= my_edge_start && \
3720                  his_edge_start <= my_edge_end) ||  \
3721                 (my_edge_start >= his_edge_start && \
3722                  my_edge_start <= his_edge_end))    \
3723                 dest = his_offset;
3724
3725 /* finds the nearest edge in the given direction from the current client
3726  * note to self: the edge is the -frame- edge (the actual one), not the
3727  * client edge.
3728  */
3729 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3730 {
3731     gint dest, monitor_dest;
3732     gint my_edge_start, my_edge_end, my_offset;
3733     GList *it;
3734     Rect *a, *monitor;
3735     
3736     if(!client_list)
3737         return -1;
3738
3739     a = screen_area(c->desktop);
3740     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3741
3742     switch(dir) {
3743     case OB_DIRECTION_NORTH:
3744         my_edge_start = c->frame->area.x;
3745         my_edge_end = c->frame->area.x + c->frame->area.width;
3746         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3747         
3748         /* default: top of screen */
3749         dest = a->y + (hang ? c->frame->area.height : 0);
3750         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3751         /* if the monitor edge comes before the screen edge, */
3752         /* use that as the destination instead. (For xinerama) */
3753         if (monitor_dest != dest && my_offset > monitor_dest)
3754             dest = monitor_dest; 
3755
3756         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3757             gint his_edge_start, his_edge_end, his_offset;
3758             ObClient *cur = it->data;
3759
3760             WANT_EDGE(cur, c)
3761
3762             his_edge_start = cur->frame->area.x;
3763             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3764             his_offset = cur->frame->area.y + 
3765                          (hang ? 0 : cur->frame->area.height);
3766
3767             if(his_offset + 1 > my_offset)
3768                 continue;
3769
3770             if(his_offset < dest)
3771                 continue;
3772
3773             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3774         }
3775         break;
3776     case OB_DIRECTION_SOUTH:
3777         my_edge_start = c->frame->area.x;
3778         my_edge_end = c->frame->area.x + c->frame->area.width;
3779         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3780
3781         /* default: bottom of screen */
3782         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3783         monitor_dest = monitor->y + monitor->height -
3784                        (hang ? c->frame->area.height : 0);
3785         /* if the monitor edge comes before the screen edge, */
3786         /* use that as the destination instead. (For xinerama) */
3787         if (monitor_dest != dest && my_offset < monitor_dest)
3788             dest = monitor_dest; 
3789
3790         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3791             gint his_edge_start, his_edge_end, his_offset;
3792             ObClient *cur = it->data;
3793
3794             WANT_EDGE(cur, c)
3795
3796             his_edge_start = cur->frame->area.x;
3797             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3798             his_offset = cur->frame->area.y +
3799                          (hang ? cur->frame->area.height : 0);
3800
3801
3802             if(his_offset - 1 < my_offset)
3803                 continue;
3804             
3805             if(his_offset > dest)
3806                 continue;
3807
3808             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3809         }
3810         break;
3811     case OB_DIRECTION_WEST:
3812         my_edge_start = c->frame->area.y;
3813         my_edge_end = c->frame->area.y + c->frame->area.height;
3814         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3815
3816         /* default: leftmost egde of screen */
3817         dest = a->x + (hang ? c->frame->area.width : 0);
3818         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3819         /* if the monitor edge comes before the screen edge, */
3820         /* use that as the destination instead. (For xinerama) */
3821         if (monitor_dest != dest && my_offset > monitor_dest)
3822             dest = monitor_dest;            
3823
3824         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3825             gint his_edge_start, his_edge_end, his_offset;
3826             ObClient *cur = it->data;
3827
3828             WANT_EDGE(cur, c)
3829
3830             his_edge_start = cur->frame->area.y;
3831             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3832             his_offset = cur->frame->area.x +
3833                          (hang ? 0 : cur->frame->area.width);
3834
3835             if(his_offset + 1 > my_offset)
3836                 continue;
3837
3838             if(his_offset < dest)
3839                 continue;
3840
3841             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3842         }
3843        break;
3844     case OB_DIRECTION_EAST:
3845         my_edge_start = c->frame->area.y;
3846         my_edge_end = c->frame->area.y + c->frame->area.height;
3847         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3848         
3849         /* default: rightmost edge of screen */
3850         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3851         monitor_dest = monitor->x + monitor->width -
3852                        (hang ? c->frame->area.width : 0);
3853         /* if the monitor edge comes before the screen edge, */
3854         /* use that as the destination instead. (For xinerama) */
3855         if (monitor_dest != dest && my_offset < monitor_dest)
3856             dest = monitor_dest;            
3857
3858         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3859             gint his_edge_start, his_edge_end, his_offset;
3860             ObClient *cur = it->data;
3861
3862             WANT_EDGE(cur, c)
3863
3864             his_edge_start = cur->frame->area.y;
3865             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3866             his_offset = cur->frame->area.x +
3867                          (hang ? cur->frame->area.width : 0);
3868
3869             if(his_offset - 1 < my_offset)
3870                 continue;
3871             
3872             if(his_offset > dest)
3873                 continue;
3874
3875             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3876         }
3877         break;
3878     case OB_DIRECTION_NORTHEAST:
3879     case OB_DIRECTION_SOUTHEAST:
3880     case OB_DIRECTION_NORTHWEST:
3881     case OB_DIRECTION_SOUTHWEST:
3882         /* not implemented */
3883     default:
3884         g_assert_not_reached();
3885         dest = 0; /* suppress warning */
3886     }
3887     return dest;
3888 }
3889
3890 ObClient* client_under_pointer()
3891 {
3892     gint x, y;
3893     GList *it;
3894     ObClient *ret = NULL;
3895
3896     if (screen_pointer_pos(&x, &y)) {
3897         for (it = stacking_list; it; it = g_list_next(it)) {
3898             if (WINDOW_IS_CLIENT(it->data)) {
3899                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3900                 if (c->frame->visible &&
3901                     /* ignore all animating windows */
3902                     !frame_iconify_animating(c->frame) &&
3903                     RECT_CONTAINS(c->frame->area, x, y))
3904                 {
3905                     ret = c;
3906                     break;
3907                 }
3908             }
3909         }
3910     }
3911     return ret;
3912 }
3913
3914 gboolean client_has_group_siblings(ObClient *self)
3915 {
3916     return self->group && self->group->members->next;
3917 }