don't set the above member in synthetic configurenotify events
[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_get_startup_id(ObClient *self);
71 static void client_get_session_ids(ObClient *self);
72 static void client_get_area(ObClient *self);
73 static void client_get_desktop(ObClient *self);
74 static void client_get_state(ObClient *self);
75 static void client_get_shaped(ObClient *self);
76 static void client_get_mwm_hints(ObClient *self);
77 static void client_get_colormap(ObClient *self);
78 static void client_change_allowed_actions(ObClient *self);
79 static void client_change_state(ObClient *self);
80 static void client_change_wm_state(ObClient *self);
81 static void client_apply_startup_state(ObClient *self);
82 static void client_restore_session_state(ObClient *self);
83 static gboolean client_restore_session_stacking(ObClient *self);
84 static ObAppSettings *client_get_settings_state(ObClient *self);
85 static void client_update_transient_tree(ObClient *self,
86                                          ObGroup *oldgroup, ObGroup *newgroup,
87                                          ObClient* oldparent,
88                                          ObClient *newparent);
89 static void client_present(ObClient *self, gboolean here, gboolean raise);
90 static GSList *client_search_all_top_parents_internal(ObClient *self,
91                                                       gboolean bylayer,
92                                                       ObStackingLayer layer);
93 static void client_call_notifies(ObClient *self, GSList *list);
94
95 void client_startup(gboolean reconfig)
96 {
97     if (reconfig) return;
98
99     client_set_list();
100 }
101
102 void client_shutdown(gboolean reconfig)
103 {
104     if (reconfig) return;
105 }
106
107 static void client_call_notifies(ObClient *self, GSList *list)
108 {
109     GSList *it;
110
111     for (it = list; it; it = g_slist_next(it)) {
112         ClientCallback *d = it->data;
113         d->func(self, d->data);
114     }
115 }
116
117 void client_add_destroy_notify(ObClientCallback func, gpointer data)
118 {
119     ClientCallback *d = g_new(ClientCallback, 1);
120     d->func = func;
121     d->data = data;
122     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
123 }
124
125 void client_remove_destroy_notify(ObClientCallback func)
126 {
127     GSList *it;
128
129     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
130         ClientCallback *d = it->data;
131         if (d->func == func) {
132             g_free(d);
133             client_destroy_notifies =
134                 g_slist_delete_link(client_destroy_notifies, it);
135             break;
136         }
137     }
138 }
139
140 void client_set_list()
141 {
142     Window *windows, *win_it;
143     GList *it;
144     guint size = g_list_length(client_list);
145
146     /* create an array of the window ids */
147     if (size > 0) {
148         windows = g_new(Window, size);
149         win_it = windows;
150         for (it = client_list; it; it = g_list_next(it), ++win_it)
151             *win_it = ((ObClient*)it->data)->window;
152     } else
153         windows = NULL;
154
155     PROP_SETA32(RootWindow(ob_display, ob_screen),
156                 net_client_list, window, (gulong*)windows, size);
157
158     if (windows)
159         g_free(windows);
160
161     stacking_set_list();
162 }
163
164 /*
165   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
166   {
167   GSList *it;
168
169   for (it = self->transients; it; it = g_slist_next(it)) {
170   if (!func(it->data, data)) return;
171   client_foreach_transient(it->data, func, data);
172   }
173   }
174
175   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
176   {
177   if (self->transient_for) {
178   if (self->transient_for != OB_TRAN_GROUP) {
179   if (!func(self->transient_for, data)) return;
180   client_foreach_ancestor(self->transient_for, func, data);
181   } else {
182   GSList *it;
183
184   for (it = self->group->members; it; it = g_slist_next(it))
185   if (it->data != self &&
186   !((ObClient*)it->data)->transient_for) {
187   if (!func(it->data, data)) return;
188   client_foreach_ancestor(it->data, func, data);
189   }
190   }
191   }
192   }
193 */
194
195 void client_manage_all()
196 {
197     guint i, j, nchild;
198     Window w, *children;
199     XWMHints *wmhints;
200     XWindowAttributes attrib;
201
202     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
203                &w, &w, &children, &nchild);
204
205     /* remove all icon windows from the list */
206     for (i = 0; i < nchild; i++) {
207         if (children[i] == None) continue;
208         wmhints = XGetWMHints(ob_display, children[i]);
209         if (wmhints) {
210             if ((wmhints->flags & IconWindowHint) &&
211                 (wmhints->icon_window != children[i]))
212                 for (j = 0; j < nchild; j++)
213                     if (children[j] == wmhints->icon_window) {
214                         children[j] = None;
215                         break;
216                     }
217             XFree(wmhints);
218         }
219     }
220
221     for (i = 0; i < nchild; ++i) {
222         if (children[i] == None)
223             continue;
224         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
225             if (attrib.override_redirect) continue;
226
227             if (attrib.map_state != IsUnmapped)
228                 client_manage(children[i]);
229         }
230     }
231     XFree(children);
232 }
233
234 void client_manage(Window window)
235 {
236     ObClient *self;
237     XEvent e;
238     XWindowAttributes attrib;
239     XSetWindowAttributes attrib_set;
240     XWMHints *wmhint;
241     gboolean activate = FALSE;
242     ObAppSettings *settings;
243     gint placex, placey;
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. the returned settings is a shallow copy,
318        that needs to be freed with g_free(). */
319     settings = client_get_settings_state(self);
320     /* the session should get the last say thought */
321     client_restore_session_state(self);
322
323     /* now we have all of the window's information so we can set this up */
324     client_setup_decor_and_functions(self);
325
326     {
327         Time t = sn_app_started(self->startup_id, self->class);
328         if (t) self->user_time = t;
329     }
330
331     /* do this after we have a frame.. it uses the frame to help determine the
332        WM_STATE to apply. */
333     client_change_state(self);
334
335     /* add ourselves to the focus order */
336     focus_order_add_new(self);
337
338     /* do this to add ourselves to the stacking list in a non-intrusive way */
339     client_calc_layer(self);
340
341     /* focus the new window? */
342     if (ob_state() != OB_STATE_STARTING &&
343         (!self->session || self->session->focused) &&
344         !self->iconic &&
345         /* this means focus=true for window is same as config_focus_new=true */
346         ((config_focus_new || (settings && settings->focus == 1)) ||
347          client_search_focus_tree_full(self)) &&
348         /* this checks for focus=false for the window */
349         (!settings || settings->focus != 0) &&
350         /* note the check against Type_Normal/Dialog, not client_normal(self),
351            which would also include other types. in this case we want more
352            strict rules for focus */
353         (self->type == OB_CLIENT_TYPE_NORMAL ||
354          self->type == OB_CLIENT_TYPE_DIALOG))
355     {
356         activate = TRUE;
357     }
358
359     /* adjust the frame to the client's size before showing or placing
360        the window */
361     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
362     frame_adjust_client_area(self->frame);
363
364     /* where the frame was placed is where the window was originally */
365     placex = self->area.x;
366     placey = self->area.y;
367
368     /* figure out placement for the window if the window is new */
369     if (ob_state() == OB_STATE_RUNNING) {
370         gboolean transient;
371
372         ob_debug("Positioned: %s @ %d %d\n",
373                  (!self->positioned ? "no" :
374                   (self->positioned == PPosition ? "program specified" :
375                    (self->positioned == USPosition ? "user specified" :
376                     (self->positioned == (PPosition | USPosition) ?
377                      "program + user specified" :
378                      "BADNESS !?")))), self->area.x, self->area.y);
379
380         ob_debug("Sized: %s @ %d %d\n",
381                  (!self->sized ? "no" :
382                   (self->sized == PSize ? "program specified" :
383                    (self->sized == USSize ? "user specified" :
384                     (self->sized == (PSize | USSize) ?
385                      "program + user specified" :
386                      "BADNESS !?")))), self->area.width, self->area.height);
387
388         transient = place_client(self, &placex, &placey, settings);
389
390         /* if the window isn't user-positioned, then make it fit inside
391            the visible screen area on its monitor.
392
393            the monitor is chosen by place_client! */
394         if (!(self->sized & USSize)) {
395             /* make a copy to modify */
396             Rect a = *screen_area_monitor(self->desktop, client_monitor(self));
397
398             /* shrink by the frame's area */
399             a.width -= self->frame->size.left + self->frame->size.right;
400             a.height -= self->frame->size.top + self->frame->size.bottom;
401
402             /* fit the window inside the area */
403             if (self->area.width > a.width || self->area.height > a.height) {
404                 self->area.width = MIN(self->area.width, a.width);
405                 self->area.height = MIN(self->area.height, a.height);
406
407                 ob_debug("setting window size to %dx%d\n",
408                          self->area.width, self->area.height);
409
410                 /* adjust the frame to the client's new size */
411                 frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
412                 frame_adjust_client_area(self->frame);
413             }
414         }
415
416         /* make sure the window is visible. */
417         client_find_onscreen(self, &placex, &placey,
418                              self->area.width, self->area.height,
419                              /* non-normal clients has less rules, and
420                                 windows that are being restored from a
421                                 session do also. we can assume you want
422                                 it back where you saved it. Clients saying
423                                 they placed themselves are subjected to
424                                 harder rules, ones that are placed by
425                                 place.c or by the user are allowed partially
426                                 off-screen and on xinerama divides (ie,
427                                 it is up to the placement routines to avoid
428                                 the xinerama divides) */
429                              transient ||
430                              (((self->positioned & PPosition) &&
431                                !(self->positioned & USPosition)) &&
432                               client_normal(self) &&
433                               !self->session));
434     }
435
436     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
437              self->window, placex, placey,
438              self->area.width, self->area.height);
439     if (self->session)
440         ob_debug("  but session requested %d %d instead, overriding\n",
441                  self->session->x, self->session->y);
442
443     /* do this after the window is placed, so the premax/prefullscreen numbers
444        won't be all wacko!!
445        also, this moves the window to the position where it has been placed
446     */
447     client_apply_startup_state(self);
448
449     /* move the client to its placed position, or it it's already there,
450        generate a ConfigureNotify telling the client where it is.
451
452        do this after adjusting the frame. otherwise it gets all weird and
453        clients don't work right
454
455        also do this after applying the startup state so maximize and fullscreen
456        will get the right sizes and positions if the client is starting with
457        those states
458     */
459     client_configure(self, placex, placey,
460                      self->area.width, self->area.height,
461                      self->border_width,
462                      FALSE, TRUE);
463
464
465     if (activate) {
466         guint32 last_time = focus_client ?
467             focus_client->user_time : CurrentTime;
468
469         /* This is focus stealing prevention */
470         ob_debug_type(OB_DEBUG_FOCUS,
471                       "Want to focus new window 0x%x with time %u "
472                       "(last time %u)\n",
473                       self->window, self->user_time, last_time);
474
475         /* if it's on another desktop */
476         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
477             && /* the timestamp is from before you changed desktops */
478             self->user_time && screen_desktop_user_time &&
479             !event_time_after(self->user_time, screen_desktop_user_time))
480         {
481             activate = FALSE;
482             ob_debug_type(OB_DEBUG_FOCUS,
483                           "Not focusing the window because its on another "
484                           "desktop\n");
485         }
486         /* If something is focused, and it's not our relative... */
487         else if (focus_client && client_search_focus_tree_full(self) == NULL)
488         {
489             /* If time stamp is old, don't steal focus */
490             if (self->user_time && last_time &&
491                 !event_time_after(self->user_time, last_time))
492             {
493                 activate = FALSE;
494                 ob_debug_type(OB_DEBUG_FOCUS,
495                               "Not focusing the window because the time is "
496                               "too old\n");
497             }
498             /* If its a transient (and parents aren't focused) and the time
499                is ambiguous (either the current focus target doesn't have
500                a timestamp, or they are the same (we probably inherited it
501                from them) */
502             else if (self->transient_for != NULL &&
503                      (!last_time || self->user_time == last_time))
504             {
505                 activate = FALSE;
506                 ob_debug_type(OB_DEBUG_FOCUS,
507                               "Not focusing the window because it is a "
508                               "transient, and the time is very ambiguous\n");
509             }
510             /* Don't steal focus from globally active clients.
511                I stole this idea from KWin. It seems nice.
512              */
513             else if (!(focus_client->can_focus ||
514                        focus_client->focus_notify))
515             {
516                 activate = FALSE;
517                 ob_debug_type(OB_DEBUG_FOCUS,
518                               "Not focusing the window because a globally "
519                               "active client has focus\n");
520             }
521             /* Don't move focus if it's not going to go to this window
522                anyway */
523             else if (client_focus_target(self) != self) {
524                 activate = FALSE;
525                 ob_debug_type(OB_DEBUG_FOCUS,
526                               "Not focusing the window because another window "
527                               "would get the focus anyway\n");
528             }
529         }
530
531         if (!activate) {
532             ob_debug_type(OB_DEBUG_FOCUS,
533                           "Focus stealing prevention activated for %s with "
534                           "time %u (last time %u)\n",
535                           self->title, self->user_time, last_time);
536             /* if the client isn't focused, then hilite it so the user
537                knows it is there */
538             client_hilite(self, TRUE);
539         }
540     }
541     else {
542         /* This may look rather odd. Well it's because new windows are added
543            to the stacking order non-intrusively. If we're not going to focus
544            the new window or hilite it, then we raise it to the top. This will
545            take affect for things that don't get focused like splash screens.
546            Also if you don't have focus_new enabled, then it's going to get
547            raised to the top. Legacy begets legacy I guess?
548         */
549         if (!client_restore_session_stacking(self))
550             stacking_raise(CLIENT_AS_WINDOW(self));
551     }
552
553     mouse_grab_for_client(self, TRUE);
554
555     /* this has to happen before we try focus the window, but we want it to
556        happen after the client's stacking has been determined or it looks bad
557     */
558     client_show(self);
559
560     if (activate) {
561         gboolean stacked = client_restore_session_stacking(self);
562         client_present(self, FALSE, !stacked);
563     }
564
565     /* add to client list/map */
566     client_list = g_list_append(client_list, self);
567     g_hash_table_insert(window_map, &self->window, self);
568
569     /* this has to happen after we're in the client_list */
570     if (STRUT_EXISTS(self->strut))
571         screen_update_areas();
572
573     /* update the list hints */
574     client_set_list();
575
576     /* free the ObAppSettings shallow copy */
577     g_free(settings);
578
579     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
580              window, self->frame->plate, self->class);
581
582     return;
583 }
584
585
586 ObClient *client_fake_manage(Window window)
587 {
588     ObClient *self;
589     ObAppSettings *settings;
590
591     ob_debug("Pretend-managing window: %lx\n", window);
592
593     /* do this minimal stuff to figure out the client's decorations */
594
595     self = g_new0(ObClient, 1);
596     self->window = window;
597
598     client_get_all(self, FALSE);
599     /* per-app settings override stuff, and return the settings for other
600        uses too. this returns a shallow copy that needs to be freed */
601     settings = client_get_settings_state(self);
602
603     client_setup_decor_and_functions(self);
604
605     /* create the decoration frame for the client window and adjust its size */
606     self->frame = frame_new(self);
607     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
608
609     ob_debug("gave extents left %d right %d top %d bottom %d\n",
610              self->frame->size.left, self->frame->size.right, 
611              self->frame->size.top, self->frame->size.bottom);
612
613     /* free the ObAppSettings shallow copy */
614     g_free(settings);
615
616     return self;
617 }
618
619 void client_unmanage_all()
620 {
621     while (client_list != NULL)
622         client_unmanage(client_list->data);
623 }
624
625 void client_unmanage(ObClient *self)
626 {
627     guint j;
628     GSList *it;
629
630     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
631              self->window, self->frame->plate,
632              self->class, self->title ? self->title : "");
633
634     g_assert(self != NULL);
635
636     /* we dont want events no more. do this before hiding the frame so we
637        don't generate more events */
638     XSelectInput(ob_display, self->window, NoEventMask);
639
640     frame_hide(self->frame);
641     /* flush to send the hide to the server quickly */
642     XFlush(ob_display);
643
644     /* ignore enter events from the unmap so it doesnt mess with the
645        focus */
646     event_ignore_all_queued_enters();
647
648     mouse_grab_for_client(self, FALSE);
649
650     /* remove the window from our save set */
651     XChangeSaveSet(ob_display, self->window, SetModeDelete);
652
653     /* kill the property windows */
654     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
655
656     /* update the focus lists */
657     focus_order_remove(self);
658     if (client_focused(self)) {
659         /* don't leave an invalid focus_client */
660         focus_client = NULL;
661     }
662
663     client_list = g_list_remove(client_list, self);
664     stacking_remove(self);
665     g_hash_table_remove(window_map, &self->window);
666
667     /* once the client is out of the list, update the struts to remove its
668        influence */
669     if (STRUT_EXISTS(self->strut))
670         screen_update_areas();
671
672     client_call_notifies(self, client_destroy_notifies);
673
674     /* tell our parent(s) that we're gone */
675     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
676         for (it = self->group->members; it; it = g_slist_next(it))
677             if (it->data != self)
678                 ((ObClient*)it->data)->transients =
679                     g_slist_remove(((ObClient*)it->data)->transients,self);
680     } else if (self->transient_for) {        /* transient of window */
681         self->transient_for->transients =
682             g_slist_remove(self->transient_for->transients, self);
683     }
684
685     /* tell our transients that we're gone */
686     for (it = self->transients; it; it = g_slist_next(it)) {
687         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
688             ((ObClient*)it->data)->transient_for = NULL;
689             client_calc_layer(it->data);
690         }
691     }
692
693     /* remove from its group */
694     if (self->group) {
695         group_remove(self->group, self);
696         self->group = NULL;
697     }
698
699     /* restore the window's original geometry so it is not lost */
700     {
701         Rect a;
702
703         a = self->area;
704
705         if (self->fullscreen)
706             a = self->pre_fullscreen_area;
707         else if (self->max_horz || self->max_vert) {
708             if (self->max_horz) {
709                 a.x = self->pre_max_area.x;
710                 a.width = self->pre_max_area.width;
711             }
712             if (self->max_vert) {
713                 a.y = self->pre_max_area.y;
714                 a.height = self->pre_max_area.height;
715             }
716         }
717
718         self->fullscreen = self->max_horz = self->max_vert = FALSE;
719         /* let it be moved and resized no matter what */
720         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
721         self->decorations = 0; /* unmanaged windows have no decor */
722
723         client_move_resize(self, a.x, a.y, a.width, a.height);
724     }
725
726     /* reparent the window out of the frame, and free the frame */
727     frame_release_client(self->frame);
728     frame_free(self->frame);
729     self->frame = NULL;
730
731     if (ob_state() != OB_STATE_EXITING) {
732         /* these values should not be persisted across a window
733            unmapping/mapping */
734         PROP_ERASE(self->window, net_wm_desktop);
735         PROP_ERASE(self->window, net_wm_state);
736         PROP_ERASE(self->window, wm_state);
737     } else {
738         /* if we're left in an unmapped state, the client wont be mapped.
739            this is bad, since we will no longer be managing the window on
740            restart */
741         XMapWindow(ob_display, self->window);
742     }
743
744     /* update the list hints */
745     client_set_list();
746
747     ob_debug("Unmanaged window 0x%lx\n", self->window);
748
749     /* free all data allocated in the client struct */
750     g_slist_free(self->transients);
751     for (j = 0; j < self->nicons; ++j)
752         g_free(self->icons[j].data);
753     if (self->nicons > 0)
754         g_free(self->icons);
755     g_free(self->wm_command);
756     g_free(self->title);
757     g_free(self->icon_title);
758     g_free(self->name);
759     g_free(self->class);
760     g_free(self->role);
761     g_free(self->client_machine);
762     g_free(self->sm_client_id);
763     g_free(self);
764 }
765
766 void client_fake_unmanage(ObClient *self)
767 {
768     /* this is all that got allocated to get the decorations */
769
770     frame_free(self->frame);
771     g_free(self);
772 }
773
774 /*! Returns a new structure containing the per-app settings for this client.
775   The returned structure needs to be freed with g_free. */
776 static ObAppSettings *client_get_settings_state(ObClient *self)
777 {
778     ObAppSettings *settings;
779     GSList *it;
780
781     settings = config_create_app_settings();
782
783     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
784         ObAppSettings *app = it->data;
785         gboolean match = TRUE;
786
787         g_assert(app->name != NULL || app->class != NULL);
788
789         /* we know that either name or class is not NULL so it will have to
790            match to use the rule */
791         if (app->name &&
792             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
793             match = FALSE;
794         else if (app->class &&
795                 !g_pattern_match(app->class,
796                                  strlen(self->class), self->class, NULL))
797             match = FALSE;
798         else if (app->role &&
799                  !g_pattern_match(app->role,
800                                   strlen(self->role), self->role, NULL))
801             match = FALSE;
802
803         if (match) {
804             ob_debug("Window matching: %s\n", app->name);
805
806             /* copy the settings to our struct, overriding the existing
807                settings if they are not defaults */
808             config_app_settings_copy_non_defaults(app, settings);
809         }
810     }
811
812     if (settings->shade != -1)
813         self->shaded = !!settings->shade;
814     if (settings->decor != -1)
815         self->undecorated = !settings->decor;
816     if (settings->iconic != -1)
817         self->iconic = !!settings->iconic;
818     if (settings->skip_pager != -1)
819         self->skip_pager = !!settings->skip_pager;
820     if (settings->skip_taskbar != -1)
821         self->skip_taskbar = !!settings->skip_taskbar;
822
823     if (settings->max_vert != -1)
824         self->max_vert = !!settings->max_vert;
825     if (settings->max_horz != -1)
826         self->max_horz = !!settings->max_horz;
827
828     if (settings->fullscreen != -1)
829         self->fullscreen = !!settings->fullscreen;
830
831     if (settings->desktop) {
832         if (settings->desktop == DESKTOP_ALL)
833             self->desktop = settings->desktop;
834         else if (settings->desktop > 0 &&
835                  settings->desktop <= screen_num_desktops)
836             self->desktop = settings->desktop - 1;
837     }
838
839     if (settings->layer == -1) {
840         self->below = TRUE;
841         self->above = FALSE;
842     }
843     else if (settings->layer == 0) {
844         self->below = FALSE;
845         self->above = FALSE;
846     }
847     else if (settings->layer == 1) {
848         self->below = FALSE;
849         self->above = TRUE;
850     }
851     return settings;
852 }
853
854 static void client_restore_session_state(ObClient *self)
855 {
856     GList *it;
857
858     ob_debug_type(OB_DEBUG_SM,
859                   "Restore session for client %s\n", self->title);
860
861     if (!(it = session_state_find(self))) {
862         ob_debug_type(OB_DEBUG_SM,
863                       "Session data not found for client %s\n", self->title);
864         return;
865     }
866
867     self->session = it->data;
868
869     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
870                   self->title);
871
872     RECT_SET_POINT(self->area, self->session->x, self->session->y);
873     self->positioned = USPosition;
874     self->sized = USSize;
875     if (self->session->w > 0)
876         self->area.width = self->session->w;
877     if (self->session->h > 0)
878         self->area.height = self->session->h;
879     XResizeWindow(ob_display, self->window,
880                   self->area.width, self->area.height);
881
882     self->desktop = (self->session->desktop == DESKTOP_ALL ?
883                      self->session->desktop :
884                      MIN(screen_num_desktops - 1, self->session->desktop));
885     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
886
887     self->shaded = self->session->shaded;
888     self->iconic = self->session->iconic;
889     self->skip_pager = self->session->skip_pager;
890     self->skip_taskbar = self->session->skip_taskbar;
891     self->fullscreen = self->session->fullscreen;
892     self->above = self->session->above;
893     self->below = self->session->below;
894     self->max_horz = self->session->max_horz;
895     self->max_vert = self->session->max_vert;
896     self->undecorated = self->session->undecorated;
897 }
898
899 static gboolean client_restore_session_stacking(ObClient *self)
900 {
901     GList *it, *mypos;
902
903     if (!self->session) return FALSE;
904
905     mypos = g_list_find(session_saved_state, self->session);
906     if (!mypos) return FALSE;
907
908     /* start above me and look for the first client */
909     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
910         GList *cit;
911
912         for (cit = client_list; cit; cit = g_list_next(cit)) {
913             ObClient *c = cit->data;
914             /* found a client that was in the session, so go below it */
915             if (c->session == it->data) {
916                 stacking_below(CLIENT_AS_WINDOW(self),
917                                CLIENT_AS_WINDOW(cit->data));
918                 return TRUE;
919             }
920         }
921     }
922     return FALSE;
923 }
924
925 void client_move_onscreen(ObClient *self, gboolean rude)
926 {
927     gint x = self->area.x;
928     gint y = self->area.y;
929     if (client_find_onscreen(self, &x, &y,
930                              self->area.width,
931                              self->area.height, rude)) {
932         client_move(self, x, y);
933     }
934 }
935
936 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
937                               gboolean rude)
938 {
939     Rect *mon_a, *all_a;
940     gint ox = *x, oy = *y;
941     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
942     gint fw, fh;
943     Rect desired;
944
945     RECT_SET(desired, *x, *y, w, h);
946     all_a = screen_area(self->desktop);
947     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
948
949     /* get where the frame would be */
950     frame_client_gravity(self->frame, x, y, w, h);
951
952     /* get the requested size of the window with decorations */
953     fw = self->frame->size.left + w + self->frame->size.right;
954     fh = self->frame->size.top + h + self->frame->size.bottom;
955
956     /* This makes sure windows aren't entirely outside of the screen so you
957        can't see them at all.
958        It makes sure 10% of the window is on the screen at least. At don't let
959        it move itself off the top of the screen, which would hide the titlebar
960        on you. (The user can still do this if they want too, it's only limiting
961        the application.
962
963        XXX watch for xinerama dead areas...
964     */
965     if (client_normal(self)) {
966         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
967             *x = all_a->x + all_a->width - fw/10;
968         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
969             *y = all_a->y + all_a->height - fh/10;
970         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
971             *x = all_a->x - fw*9/10;
972         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
973             *y = all_a->y - fw*9/10;
974     }
975
976     /* If rudeness wasn't requested, then figure out of the client is currently
977        entirely on the screen. If it is, and the position isn't changing by
978        request, and it is enlarging, then be rude even though it wasn't
979        requested */
980     if (!rude) {
981         Point oldtl, oldtr, oldbl, oldbr;
982         Point newtl, newtr, newbl, newbr;
983         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
984
985         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
986         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
987                   self->frame->area.y + self->frame->area.height - 1);
988         POINT_SET(oldtr, oldbr.x, oldtl.y);
989         POINT_SET(oldbl, oldtl.x, oldbr.y);
990
991         POINT_SET(newtl, *x, *y);
992         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
993         POINT_SET(newtr, newbr.x, newtl.y);
994         POINT_SET(newbl, newtl.x, newbr.y);
995
996         /* is it moving or just resizing from some corner? */
997         stationary_l = oldtl.x == newtl.x;
998         stationary_r = oldtr.x == newtr.x;
999         stationary_t = oldtl.y == newtl.y;
1000         stationary_b = oldbl.y == newbl.y;
1001
1002         /* if left edge is growing and didnt move right edge */
1003         if (stationary_r && newtl.x < oldtl.x)
1004             rudel = TRUE;
1005         /* if right edge is growing and didnt move left edge */
1006         if (stationary_l && newtr.x > oldtr.x)
1007             ruder = TRUE;
1008         /* if top edge is growing and didnt move bottom edge */
1009         if (stationary_b && newtl.y < oldtl.y)
1010             rudet = TRUE;
1011         /* if bottom edge is growing and didnt move top edge */
1012         if (stationary_t && newbl.y > oldbl.y)
1013             rudeb = TRUE;
1014     }
1015
1016     /* This here doesn't let windows even a pixel outside the struts/screen.
1017      * When called from client_manage, programs placing themselves are
1018      * forced completely onscreen, while things like
1019      * xterm -geometry resolution-width/2 will work fine. Trying to
1020      * place it completely offscreen will be handled in the above code.
1021      * Sorry for this confused comment, i am tired. */
1022     if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
1023     if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
1024         *x = mon_a->x + MAX(0, mon_a->width - fw);
1025
1026     if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
1027     if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
1028         *y = mon_a->y + MAX(0, mon_a->height - fh);
1029
1030     /* get where the client should be */
1031     frame_frame_gravity(self->frame, x, y, w, h);
1032
1033     return ox != *x || oy != *y;
1034 }
1035
1036 static void client_get_all(ObClient *self, gboolean real)
1037 {
1038     /* this is needed for the frame to set itself up */
1039     client_get_area(self);
1040
1041     /* these things can change the decor and functions of the window */
1042
1043     client_get_mwm_hints(self);
1044     /* this can change the mwmhints for special cases */
1045     client_get_type_and_transientness(self);
1046     client_get_state(self);
1047     client_update_normal_hints(self);
1048
1049     /* get the session related properties, these can change decorations
1050        from per-app settings */
1051     client_get_session_ids(self);
1052
1053     /* now we got everything that can affect the decorations */
1054     if (!real)
1055         return;
1056
1057     /* get this early so we have it for debugging */
1058     client_update_title(self);
1059
1060     client_update_protocols(self);
1061
1062     client_update_wmhints(self);
1063     /* this may have already been called from client_update_wmhints */
1064     if (self->transient_for == NULL)
1065         client_update_transient_for(self);
1066
1067     client_get_startup_id(self);
1068     client_get_desktop(self);/* uses transient data/group/startup id if a
1069                                 desktop is not specified */
1070     client_get_shaped(self);
1071
1072     {
1073         /* a couple type-based defaults for new windows */
1074
1075         /* this makes sure that these windows appear on all desktops */
1076         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1077             self->desktop = DESKTOP_ALL;
1078     }
1079   
1080 #ifdef SYNC
1081     client_update_sync_request_counter(self);
1082 #endif
1083
1084     client_get_colormap(self);
1085     client_update_strut(self);
1086     client_update_icons(self);
1087     client_update_user_time_window(self);
1088     if (!self->user_time_window) /* check if this would have been called */
1089         client_update_user_time(self);
1090     client_update_icon_geometry(self);
1091 }
1092
1093 static void client_get_startup_id(ObClient *self)
1094 {
1095     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1096         if (self->group)
1097             PROP_GETS(self->group->leader,
1098                       net_startup_id, utf8, &self->startup_id);
1099 }
1100
1101 static void client_get_area(ObClient *self)
1102 {
1103     XWindowAttributes wattrib;
1104     Status ret;
1105   
1106     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1107     g_assert(ret != BadWindow);
1108
1109     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1110     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1111     self->border_width = wattrib.border_width;
1112
1113     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1114              wattrib.width, wattrib.height);
1115 }
1116
1117 static void client_get_desktop(ObClient *self)
1118 {
1119     guint32 d = screen_num_desktops; /* an always-invalid value */
1120
1121     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1122         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1123             self->desktop = screen_num_desktops - 1;
1124         else
1125             self->desktop = d;
1126     } else {
1127         gboolean trdesk = FALSE;
1128
1129         if (self->transient_for) {
1130             if (self->transient_for != OB_TRAN_GROUP) {
1131                 self->desktop = self->transient_for->desktop;
1132                 trdesk = TRUE;
1133             } else {
1134                 /* if all the group is on one desktop, then open it on the
1135                    same desktop */
1136                 GSList *it;
1137                 gboolean first = TRUE;
1138                 guint all = screen_num_desktops; /* not a valid value */
1139
1140                 for (it = self->group->members; it; it = g_slist_next(it)) {
1141                     ObClient *c = it->data;
1142                     if (c != self) {
1143                         if (first) {
1144                             all = c->desktop;
1145                             first = FALSE;
1146                         }
1147                         else if (all != c->desktop)
1148                             all = screen_num_desktops; /* make it invalid */
1149                     }
1150                 }
1151                 if (all != screen_num_desktops) {
1152                     self->desktop = all;
1153                     trdesk = TRUE;
1154                 }
1155             }
1156         }
1157         if (!trdesk) {
1158             /* try get from the startup-notification protocol */
1159             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1160                 if (self->desktop >= screen_num_desktops &&
1161                     self->desktop != DESKTOP_ALL)
1162                     self->desktop = screen_num_desktops - 1;
1163             } else
1164                 /* defaults to the current desktop */
1165                 self->desktop = screen_desktop;
1166         }
1167     }
1168 }
1169
1170 static void client_get_state(ObClient *self)
1171 {
1172     guint32 *state;
1173     guint num;
1174   
1175     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1176         gulong i;
1177         for (i = 0; i < num; ++i) {
1178             if (state[i] == prop_atoms.net_wm_state_modal)
1179                 self->modal = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_shaded)
1181                 self->shaded = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_hidden)
1183                 self->iconic = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1185                 self->skip_taskbar = TRUE;
1186             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1187                 self->skip_pager = TRUE;
1188             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1189                 self->fullscreen = TRUE;
1190             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1191                 self->max_vert = TRUE;
1192             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1193                 self->max_horz = TRUE;
1194             else if (state[i] == prop_atoms.net_wm_state_above)
1195                 self->above = TRUE;
1196             else if (state[i] == prop_atoms.net_wm_state_below)
1197                 self->below = TRUE;
1198             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1199                 self->demands_attention = TRUE;
1200             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1201                 self->undecorated = TRUE;
1202         }
1203
1204         g_free(state);
1205     }
1206 }
1207
1208 static void client_get_shaped(ObClient *self)
1209 {
1210     self->shaped = FALSE;
1211 #ifdef   SHAPE
1212     if (extensions_shape) {
1213         gint foo;
1214         guint ufoo;
1215         gint s;
1216
1217         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1218
1219         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1220                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1221                            &ufoo);
1222         self->shaped = (s != 0);
1223     }
1224 #endif
1225 }
1226
1227 void client_update_transient_for(ObClient *self)
1228 {
1229     Window t = None;
1230     ObClient *target = NULL;
1231
1232     if (XGetTransientForHint(ob_display, self->window, &t)) {
1233         if (t != self->window) { /* cant be transient to itself! */
1234             target = g_hash_table_lookup(window_map, &t);
1235             /* if this happens then we need to check for it*/
1236             g_assert(target != self);
1237             if (target && !WINDOW_IS_CLIENT(target)) {
1238                 /* this can happen when a dialog is a child of
1239                    a dockapp, for example */
1240                 target = NULL;
1241             }
1242
1243             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1244
1245                Setting the transient_for to Root is actually illegal, however
1246                applications from time have done this to specify transient for
1247                their group.
1248
1249                Now you can do that by being a TYPE_DIALOG and not setting
1250                the transient_for hint at all on your window. But people still
1251                use Root, and Kwin is very strange in this regard.
1252
1253                KWin 3.0 will not consider windows with transient_for set to
1254                Root as transient for their group *UNLESS* they are also modal.
1255                In that case, it will make them transient for the group. This
1256                leads to all sorts of weird behavior from KDE apps which are
1257                only tested in KWin. I'd like to follow their behavior just to
1258                make this work right with KDE stuff, but that seems wrong.
1259             */
1260             if (!target && self->group) {
1261                 /* not transient to a client, see if it is transient for a
1262                    group */
1263                 if (t == RootWindow(ob_display, ob_screen)) {
1264                     /* window is a transient for its group! */
1265                     target = OB_TRAN_GROUP;
1266                 }
1267             }
1268         }
1269     } else if (self->transient && self->group)
1270         target = OB_TRAN_GROUP;
1271
1272     client_update_transient_tree(self, self->group, self->group,
1273                                  self->transient_for, target);
1274     self->transient_for = target;
1275                           
1276 }
1277
1278 static void client_update_transient_tree(ObClient *self,
1279                                          ObGroup *oldgroup, ObGroup *newgroup,
1280                                          ObClient* oldparent,
1281                                          ObClient *newparent)
1282 {
1283     GSList *it, *next;
1284     ObClient *c;
1285
1286     /* * *
1287       Group transient windows are not allowed to have other group
1288       transient windows as their children.
1289       * * */
1290
1291
1292     /* No change has occured */
1293     if (oldgroup == newgroup && oldparent == newparent) return;
1294
1295     /** Remove the client from the transient tree wherever it has changed **/
1296
1297     /* If the window is becoming a direct transient for a window in its group
1298        then any group transients which were our children and are now becoming
1299        our parents need to stop being our children.
1300
1301        Group transients can't be children of group transients already, but
1302        we could have any number of direct parents above up, any of which could
1303        be transient for the group, and we need to remove it from our children.
1304     */
1305     if (oldparent != newparent &&
1306         newparent != NULL && newparent != OB_TRAN_GROUP &&
1307         newgroup != NULL && newgroup == oldgroup)
1308     {
1309         ObClient *look = newparent;
1310         do {
1311             self->transients = g_slist_remove(self->transients, look);
1312             look = look->transient_for;
1313         } while (look != NULL && look != OB_TRAN_GROUP);
1314     }
1315             
1316
1317     /* If the group changed, or if we are just becoming transient for the
1318        group, then we need to remove any old group transient windows
1319        from our children. But if we were already transient for the group, then
1320        other group transients are not our children. */
1321     if ((oldgroup != newgroup ||
1322          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1323         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1324     {
1325         for (it = self->transients; it; it = next) {
1326             next = g_slist_next(it);
1327             c = it->data;
1328             if (c->group == oldgroup)
1329                 self->transients = g_slist_delete_link(self->transients, it);
1330         }
1331     }
1332
1333     /* If we used to be transient for a group and now we are not, or we're
1334        transient for a new group, then we need to remove ourselves from all
1335        our ex-parents */
1336     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1337                                        oldparent != newparent))
1338     {
1339         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1340             c = it->data;
1341             if (c != self && (!c->transient_for ||
1342                               c->transient_for != OB_TRAN_GROUP))
1343                 c->transients = g_slist_remove(c->transients, self);
1344         }
1345     }
1346     /* If we used to be transient for a single window and we are no longer
1347        transient for it, then we need to remove ourself from its children */
1348     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1349              oldparent != newparent)
1350         oldparent->transients = g_slist_remove(oldparent->transients, self);
1351
1352
1353     /** Re-add the client to the transient tree wherever it has changed **/
1354
1355     /* If we're now transient for a group and we weren't transient for it
1356        before then we need to add ourselves to all our new parents */
1357     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1358                                        oldparent != newparent))
1359     {
1360         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1361             c = it->data;
1362             if (c != self && (!c->transient_for ||
1363                               c->transient_for != OB_TRAN_GROUP))
1364                 c->transients = g_slist_prepend(c->transients, self);
1365         }
1366     }
1367     /* If we are now transient for a single window which we weren't before,
1368        we need to add ourselves to its children
1369
1370        WARNING: Cyclical transient ness is possible if two windows are
1371        transient for eachother.
1372     */
1373     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1374              newparent != oldparent &&
1375              /* don't make ourself its child if it is already our child */
1376              !client_is_direct_child(self, newparent))
1377         newparent->transients = g_slist_prepend(newparent->transients, self);
1378
1379     /* If the group changed then we need to add any new group transient
1380        windows to our children. But if we're transient for the group, then
1381        other group transients are not our children.
1382
1383        WARNING: Cyclical transient-ness is possible. For e.g. if:
1384        A is transient for the group
1385        B is transient for A
1386        C is transient for B
1387        A can't be transient for C or we have a cycle
1388     */
1389     if (oldgroup != newgroup && newgroup != NULL &&
1390         newparent != OB_TRAN_GROUP)
1391     {
1392         for (it = newgroup->members; it; it = g_slist_next(it)) {
1393             c = it->data;
1394             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1395                 /* Don't make it our child if it is already our parent */
1396                 !client_is_direct_child(c, self))
1397             {
1398                 self->transients = g_slist_prepend(self->transients, c);
1399             }
1400         }
1401     }
1402 }
1403
1404 static void client_get_mwm_hints(ObClient *self)
1405 {
1406     guint num;
1407     guint32 *hints;
1408
1409     self->mwmhints.flags = 0; /* default to none */
1410
1411     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1412                     &hints, &num)) {
1413         if (num >= OB_MWM_ELEMENTS) {
1414             self->mwmhints.flags = hints[0];
1415             self->mwmhints.functions = hints[1];
1416             self->mwmhints.decorations = hints[2];
1417         }
1418         g_free(hints);
1419     }
1420 }
1421
1422 void client_get_type_and_transientness(ObClient *self)
1423 {
1424     guint num, i;
1425     guint32 *val;
1426     Window t;
1427
1428     self->type = -1;
1429     self->transient = FALSE;
1430   
1431     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1432         /* use the first value that we know about in the array */
1433         for (i = 0; i < num; ++i) {
1434             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1435                 self->type = OB_CLIENT_TYPE_DESKTOP;
1436             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1437                 self->type = OB_CLIENT_TYPE_DOCK;
1438             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1439                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1440             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1441                 self->type = OB_CLIENT_TYPE_MENU;
1442             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1443                 self->type = OB_CLIENT_TYPE_UTILITY;
1444             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1445                 self->type = OB_CLIENT_TYPE_SPLASH;
1446             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1447                 self->type = OB_CLIENT_TYPE_DIALOG;
1448             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1449                 self->type = OB_CLIENT_TYPE_NORMAL;
1450             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1451                 /* prevent this window from getting any decor or
1452                    functionality */
1453                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1454                                          OB_MWM_FLAG_DECORATIONS);
1455                 self->mwmhints.decorations = 0;
1456                 self->mwmhints.functions = 0;
1457             }
1458             if (self->type != (ObClientType) -1)
1459                 break; /* grab the first legit type */
1460         }
1461         g_free(val);
1462     }
1463
1464     if (XGetTransientForHint(ob_display, self->window, &t))
1465         self->transient = TRUE;
1466             
1467     if (self->type == (ObClientType) -1) {
1468         /*the window type hint was not set, which means we either classify
1469           ourself as a normal window or a dialog, depending on if we are a
1470           transient. */
1471         if (self->transient)
1472             self->type = OB_CLIENT_TYPE_DIALOG;
1473         else
1474             self->type = OB_CLIENT_TYPE_NORMAL;
1475     }
1476
1477     /* then, based on our type, we can update our transientness.. */
1478     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1479         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1480         self->type == OB_CLIENT_TYPE_MENU ||
1481         self->type == OB_CLIENT_TYPE_UTILITY)
1482     {
1483         self->transient = TRUE;
1484     }
1485 }
1486
1487 void client_update_protocols(ObClient *self)
1488 {
1489     guint32 *proto;
1490     guint num_return, i;
1491
1492     self->focus_notify = FALSE;
1493     self->delete_window = FALSE;
1494
1495     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1496         for (i = 0; i < num_return; ++i) {
1497             if (proto[i] == prop_atoms.wm_delete_window)
1498                 /* this means we can request the window to close */
1499                 self->delete_window = TRUE;
1500             else if (proto[i] == prop_atoms.wm_take_focus)
1501                 /* if this protocol is requested, then the window will be
1502                    notified whenever we want it to receive focus */
1503                 self->focus_notify = TRUE;
1504 #ifdef SYNC
1505             else if (proto[i] == prop_atoms.net_wm_sync_request) 
1506                 /* if this protocol is requested, then resizing the
1507                    window will be synchronized between the frame and the
1508                    client */
1509                 self->sync_request = TRUE;
1510 #endif
1511         }
1512         g_free(proto);
1513     }
1514 }
1515
1516 #ifdef SYNC
1517 void client_update_sync_request_counter(ObClient *self)
1518 {
1519     guint32 i;
1520
1521     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1522         self->sync_counter = i;
1523     } else
1524         self->sync_counter = None;
1525 }
1526 #endif
1527
1528 void client_get_colormap(ObClient *self)
1529 {
1530     XWindowAttributes wa;
1531
1532     if (XGetWindowAttributes(ob_display, self->window, &wa))
1533         client_update_colormap(self, wa.colormap);
1534 }
1535
1536 void client_update_colormap(ObClient *self, Colormap colormap)
1537 {
1538     self->colormap = colormap;
1539 }
1540
1541 void client_update_normal_hints(ObClient *self)
1542 {
1543     XSizeHints size;
1544     glong ret;
1545
1546     /* defaults */
1547     self->min_ratio = 0.0f;
1548     self->max_ratio = 0.0f;
1549     SIZE_SET(self->size_inc, 1, 1);
1550     SIZE_SET(self->base_size, 0, 0);
1551     SIZE_SET(self->min_size, 0, 0);
1552     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1553
1554     /* get the hints from the window */
1555     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1556         /* normal windows can't request placement! har har
1557         if (!client_normal(self))
1558         */
1559         self->positioned = (size.flags & (PPosition|USPosition));
1560         self->sized = (size.flags & (PSize|USSize));
1561
1562         if (size.flags & PWinGravity)
1563             self->gravity = size.win_gravity;
1564
1565         if (size.flags & PAspect) {
1566             if (size.min_aspect.y)
1567                 self->min_ratio =
1568                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1569             if (size.max_aspect.y)
1570                 self->max_ratio =
1571                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1572         }
1573
1574         if (size.flags & PMinSize)
1575             SIZE_SET(self->min_size, size.min_width, size.min_height);
1576     
1577         if (size.flags & PMaxSize)
1578             SIZE_SET(self->max_size, size.max_width, size.max_height);
1579     
1580         if (size.flags & PBaseSize)
1581             SIZE_SET(self->base_size, size.base_width, size.base_height);
1582     
1583         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1584             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1585     }
1586 }
1587
1588 /*! This needs to be followed by a call to client_configure to make
1589   the changes show */
1590 void client_setup_decor_and_functions(ObClient *self)
1591 {
1592     /* start with everything (cept fullscreen) */
1593     self->decorations =
1594         (OB_FRAME_DECOR_TITLEBAR |
1595          OB_FRAME_DECOR_HANDLE |
1596          OB_FRAME_DECOR_GRIPS |
1597          OB_FRAME_DECOR_BORDER |
1598          OB_FRAME_DECOR_ICON |
1599          OB_FRAME_DECOR_ALLDESKTOPS |
1600          OB_FRAME_DECOR_ICONIFY |
1601          OB_FRAME_DECOR_MAXIMIZE |
1602          OB_FRAME_DECOR_SHADE |
1603          OB_FRAME_DECOR_CLOSE);
1604     self->functions =
1605         (OB_CLIENT_FUNC_RESIZE |
1606          OB_CLIENT_FUNC_MOVE |
1607          OB_CLIENT_FUNC_ICONIFY |
1608          OB_CLIENT_FUNC_MAXIMIZE |
1609          OB_CLIENT_FUNC_SHADE |
1610          OB_CLIENT_FUNC_CLOSE |
1611          OB_CLIENT_FUNC_BELOW |
1612          OB_CLIENT_FUNC_ABOVE |
1613          OB_CLIENT_FUNC_UNDECORATE);
1614
1615     if (!(self->min_size.width < self->max_size.width ||
1616           self->min_size.height < self->max_size.height))
1617         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1618
1619     switch (self->type) {
1620     case OB_CLIENT_TYPE_NORMAL:
1621         /* normal windows retain all of the possible decorations and
1622            functionality, and are the only windows that you can fullscreen */
1623         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1624         break;
1625
1626     case OB_CLIENT_TYPE_DIALOG:
1627     case OB_CLIENT_TYPE_UTILITY:
1628         /* these windows don't have anything added or removed by default */
1629         break;
1630
1631     case OB_CLIENT_TYPE_MENU:
1632     case OB_CLIENT_TYPE_TOOLBAR:
1633         /* these windows can't iconify or maximize */
1634         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1635                                OB_FRAME_DECOR_MAXIMIZE);
1636         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1637                              OB_CLIENT_FUNC_MAXIMIZE);
1638         break;
1639
1640     case OB_CLIENT_TYPE_SPLASH:
1641         /* these don't get get any decorations, and the only thing you can
1642            do with them is move them */
1643         self->decorations = 0;
1644         self->functions = OB_CLIENT_FUNC_MOVE;
1645         break;
1646
1647     case OB_CLIENT_TYPE_DESKTOP:
1648         /* these windows are not manipulated by the window manager */
1649         self->decorations = 0;
1650         self->functions = 0;
1651         break;
1652
1653     case OB_CLIENT_TYPE_DOCK:
1654         /* these windows are not manipulated by the window manager, but they
1655            can set below layer which has a special meaning */
1656         self->decorations = 0;
1657         self->functions = OB_CLIENT_FUNC_BELOW;
1658         break;
1659     }
1660
1661     /* Mwm Hints are applied subtractively to what has already been chosen for
1662        decor and functionality */
1663     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1664         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1665             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1666                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1667             {
1668                 /* if the mwm hints request no handle or title, then all
1669                    decorations are disabled, but keep the border if that's
1670                    specified */
1671                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1672                     self->decorations = OB_FRAME_DECOR_BORDER;
1673                 else
1674                     self->decorations = 0;
1675             }
1676         }
1677     }
1678
1679     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1680         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1681             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1682                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1683             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1684                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1685             /* dont let mwm hints kill any buttons
1686                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1687                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1688                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1689                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1690             */
1691             /* dont let mwm hints kill the close button
1692                if (! (self->mwmhints.functions & MwmFunc_Close))
1693                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1694         }
1695     }
1696
1697     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1698         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1699     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1700         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1701     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1702         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1703
1704     /* can't maximize without moving/resizing */
1705     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1706           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1707           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1708         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1709         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1710     }
1711
1712     if (self->max_horz && self->max_vert) {
1713         /* you can't resize fully maximized windows */
1714         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1715         /* kill the handle on fully maxed windows */
1716         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1717     }
1718
1719     /* If there are no decorations to remove, don't allow the user to try
1720        toggle the state */
1721     if (self->decorations == 0)
1722         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1723
1724     /* finally, the user can have requested no decorations, which overrides
1725        everything (but doesnt give it a border if it doesnt have one) */
1726     if (self->undecorated) {
1727         if (config_theme_keepborder)
1728             self->decorations &= OB_FRAME_DECOR_BORDER;
1729         else
1730             self->decorations = 0;
1731     }
1732
1733     /* if we don't have a titlebar, then we cannot shade! */
1734     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1735         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1736
1737     /* now we need to check against rules for the client's current state */
1738     if (self->fullscreen) {
1739         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1740                             OB_CLIENT_FUNC_FULLSCREEN |
1741                             OB_CLIENT_FUNC_ICONIFY);
1742         self->decorations = 0;
1743     }
1744
1745     client_change_allowed_actions(self);
1746 }
1747
1748 static void client_change_allowed_actions(ObClient *self)
1749 {
1750     gulong actions[12];
1751     gint num = 0;
1752
1753     /* desktop windows are kept on all desktops */
1754     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1755         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1756
1757     if (self->functions & OB_CLIENT_FUNC_SHADE)
1758         actions[num++] = prop_atoms.net_wm_action_shade;
1759     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1760         actions[num++] = prop_atoms.net_wm_action_close;
1761     if (self->functions & OB_CLIENT_FUNC_MOVE)
1762         actions[num++] = prop_atoms.net_wm_action_move;
1763     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1764         actions[num++] = prop_atoms.net_wm_action_minimize;
1765     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1766         actions[num++] = prop_atoms.net_wm_action_resize;
1767     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1768         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1769     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1770         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1771         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1772     }
1773     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1774         actions[num++] = prop_atoms.net_wm_action_above;
1775     if (self->functions & OB_CLIENT_FUNC_BELOW)
1776         actions[num++] = prop_atoms.net_wm_action_below;
1777     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1778         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1779
1780     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1781
1782     /* make sure the window isn't breaking any rules now */
1783
1784     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1785         if (self->frame) client_shade(self, FALSE);
1786         else self->shaded = FALSE;
1787     }
1788     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1789         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1790         else self->iconic = FALSE;
1791     }
1792     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1793         if (self->frame) client_fullscreen(self, FALSE);
1794         else self->fullscreen = FALSE;
1795     }
1796     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1797                                                          self->max_vert)) {
1798         if (self->frame) client_maximize(self, FALSE, 0);
1799         else self->max_vert = self->max_horz = FALSE;
1800     }
1801 }
1802
1803 void client_reconfigure(ObClient *self)
1804 {
1805     client_configure(self, self->area.x, self->area.y,
1806                      self->area.width, self->area.height,
1807                      self->border_width, FALSE, TRUE);
1808 }
1809
1810 void client_update_wmhints(ObClient *self)
1811 {
1812     XWMHints *hints;
1813
1814     /* assume a window takes input if it doesnt specify */
1815     self->can_focus = TRUE;
1816   
1817     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1818         gboolean ur;
1819
1820         if (hints->flags & InputHint)
1821             self->can_focus = hints->input;
1822
1823         /* only do this when first managing the window *AND* when we aren't
1824            starting up! */
1825         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1826             if (hints->flags & StateHint)
1827                 self->iconic = hints->initial_state == IconicState;
1828
1829         ur = self->urgent;
1830         self->urgent = (hints->flags & XUrgencyHint);
1831         if (self->urgent && !ur)
1832             client_hilite(self, TRUE);
1833         else if (!self->urgent && ur && self->demands_attention)
1834             client_hilite(self, FALSE);
1835
1836         if (!(hints->flags & WindowGroupHint))
1837             hints->window_group = None;
1838
1839         /* did the group state change? */
1840         if (hints->window_group !=
1841             (self->group ? self->group->leader : None))
1842         {
1843             ObGroup *oldgroup = self->group;
1844
1845             /* remove from the old group if there was one */
1846             if (self->group != NULL) {
1847                 group_remove(self->group, self);
1848                 self->group = NULL;
1849             }
1850
1851             /* add ourself to the group if we have one */
1852             if (hints->window_group != None) {
1853                 self->group = group_add(hints->window_group, self);
1854             }
1855
1856             /* Put ourselves into the new group's transient tree, and remove
1857                ourselves from the old group's */
1858             client_update_transient_tree(self, oldgroup, self->group,
1859                                          self->transient_for,
1860                                          self->transient_for);
1861
1862             /* Lastly, being in a group, or not, can change if the window is
1863                transient for anything.
1864
1865                The logic for this is:
1866                self->transient = TRUE always if the window wants to be
1867                transient for something, even if transient_for was NULL because
1868                it wasn't in a group before.
1869
1870                If transient_for was NULL and oldgroup was NULL we can assume
1871                that when we add the new group, it will become transient for
1872                something.
1873
1874                If transient_for was OB_TRAN_GROUP, then it must have already
1875                had a group. If it is getting a new group, the above call to
1876                client_update_transient_tree has already taken care of
1877                everything ! If it is losing all group status then it will
1878                no longer be transient for anything and that needs to be
1879                updated.
1880             */
1881             if (self->transient &&
1882                 ((self->transient_for == NULL && oldgroup == NULL) ||
1883                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1884                 client_update_transient_for(self);
1885         }
1886
1887         /* the WM_HINTS can contain an icon */
1888         if (hints->flags & IconPixmapHint)
1889             client_update_icons(self);
1890
1891         XFree(hints);
1892     }
1893 }
1894
1895 void client_update_title(ObClient *self)
1896 {
1897     gchar *data = NULL;
1898     gchar *visible = NULL;
1899
1900     g_free(self->title);
1901      
1902     /* try netwm */
1903     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1904         /* try old x stuff */
1905         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1906               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1907             if (self->transient) {
1908                 /*
1909                   GNOME alert windows are not given titles:
1910                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1911                 */
1912                 data = g_strdup("");
1913             } else
1914                 data = g_strdup("Unnamed Window");
1915         }
1916     }
1917
1918     if (self->client_machine) {
1919         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1920         g_free(data);
1921     } else
1922         visible = data;
1923
1924     PROP_SETS(self->window, net_wm_visible_name, visible);
1925     self->title = visible;
1926
1927     if (self->frame)
1928         frame_adjust_title(self->frame);
1929
1930     /* update the icon title */
1931     data = NULL;
1932     g_free(self->icon_title);
1933
1934     /* try netwm */
1935     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1936         /* try old x stuff */
1937         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1938               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1939             data = g_strdup(self->title);
1940
1941     if (self->client_machine) {
1942         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1943         g_free(data);
1944     } else
1945         visible = data;
1946
1947     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1948     self->icon_title = visible;
1949 }
1950
1951 void client_update_strut(ObClient *self)
1952 {
1953     guint num;
1954     guint32 *data;
1955     gboolean got = FALSE;
1956     StrutPartial strut;
1957
1958     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1959                     &data, &num)) {
1960         if (num == 12) {
1961             got = TRUE;
1962             STRUT_PARTIAL_SET(strut,
1963                               data[0], data[2], data[1], data[3],
1964                               data[4], data[5], data[8], data[9],
1965                               data[6], data[7], data[10], data[11]);
1966         }
1967         g_free(data);
1968     }
1969
1970     if (!got &&
1971         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1972         if (num == 4) {
1973             const Rect *a;
1974
1975             got = TRUE;
1976
1977             /* use the screen's width/height */
1978             a = screen_physical_area();
1979
1980             STRUT_PARTIAL_SET(strut,
1981                               data[0], data[2], data[1], data[3],
1982                               a->y, a->y + a->height - 1,
1983                               a->x, a->x + a->width - 1,
1984                               a->y, a->y + a->height - 1,
1985                               a->x, a->x + a->width - 1);
1986         }
1987         g_free(data);
1988     }
1989
1990     if (!got)
1991         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1992                           0, 0, 0, 0, 0, 0, 0, 0);
1993
1994     if (!STRUT_EQUAL(strut, self->strut)) {
1995         self->strut = strut;
1996
1997         /* updating here is pointless while we're being mapped cuz we're not in
1998            the client list yet */
1999         if (self->frame)
2000             screen_update_areas();
2001     }
2002 }
2003
2004 void client_update_icons(ObClient *self)
2005 {
2006     guint num;
2007     guint32 *data;
2008     guint w, h, i, j;
2009
2010     for (i = 0; i < self->nicons; ++i)
2011         g_free(self->icons[i].data);
2012     if (self->nicons > 0)
2013         g_free(self->icons);
2014     self->nicons = 0;
2015
2016     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2017         /* figure out how many valid icons are in here */
2018         i = 0;
2019         while (num - i > 2) {
2020             w = data[i++];
2021             h = data[i++];
2022             i += w * h;
2023             if (i > num || w*h == 0) break;
2024             ++self->nicons;
2025         }
2026
2027         self->icons = g_new(ObClientIcon, self->nicons);
2028     
2029         /* store the icons */
2030         i = 0;
2031         for (j = 0; j < self->nicons; ++j) {
2032             guint x, y, t;
2033
2034             w = self->icons[j].width = data[i++];
2035             h = self->icons[j].height = data[i++];
2036
2037             if (w*h == 0) continue;
2038
2039             self->icons[j].data = g_new(RrPixel32, w * h);
2040             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2041                 if (x >= w) {
2042                     x = 0;
2043                     ++y;
2044                 }
2045                 self->icons[j].data[t] =
2046                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2047                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2048                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2049                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2050             }
2051             g_assert(i <= num);
2052         }
2053
2054         g_free(data);
2055     } else {
2056         XWMHints *hints;
2057
2058         if ((hints = XGetWMHints(ob_display, self->window))) {
2059             if (hints->flags & IconPixmapHint) {
2060                 self->nicons++;
2061                 self->icons = g_new(ObClientIcon, self->nicons);
2062                 xerror_set_ignore(TRUE);
2063                 if (!RrPixmapToRGBA(ob_rr_inst,
2064                                     hints->icon_pixmap,
2065                                     (hints->flags & IconMaskHint ?
2066                                      hints->icon_mask : None),
2067                                     &self->icons[self->nicons-1].width,
2068                                     &self->icons[self->nicons-1].height,
2069                                     &self->icons[self->nicons-1].data)){
2070                     g_free(&self->icons[self->nicons-1]);
2071                     self->nicons--;
2072                 }
2073                 xerror_set_ignore(FALSE);
2074             }
2075             XFree(hints);
2076         }
2077     }
2078
2079     /* set the default icon onto the window
2080        in theory, this could be a race, but if a window doesn't set an icon
2081        or removes it entirely, it's not very likely it is going to set one
2082        right away afterwards */
2083     if (self->nicons == 0) {
2084         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2085         gulong *data;
2086
2087         data = g_new(gulong, 48*48+2);
2088         data[0] = data[1] =  48;
2089         for (i = 0; i < 48*48; ++i)
2090             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2091                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2092                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2093                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2094         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2095         g_free(data);
2096     } else if (self->frame)
2097         /* don't draw the icon empty if we're just setting one now anyways,
2098            we'll get the property change any second */
2099         frame_adjust_icon(self->frame);
2100 }
2101
2102 void client_update_user_time(ObClient *self)
2103 {
2104     guint32 time;
2105     gboolean got = FALSE;
2106
2107     if (self->user_time_window)
2108         got = PROP_GET32(self->user_time_window,
2109                          net_wm_user_time, cardinal, &time);
2110     if (!got)
2111         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2112
2113     if (got) {
2114         /* we set this every time, not just when it grows, because in practice
2115            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2116            backward we don't want all windows to stop focusing. we'll just
2117            assume noone is setting times older than the last one, cuz that
2118            would be pretty stupid anyways
2119         */
2120         self->user_time = time;
2121
2122         /*ob_debug("window %s user time %u\n", self->title, time);*/
2123     }
2124 }
2125
2126 void client_update_user_time_window(ObClient *self)
2127 {
2128     guint32 w;
2129
2130     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2131         w = None;
2132
2133     if (w != self->user_time_window) {
2134         /* remove the old window */
2135         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2136         self->user_time_window = None;
2137
2138         if (self->group && self->group->leader == w) {
2139             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2140                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2141             /* do it anyways..? */
2142         }
2143         else if (w == self->window) {
2144             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2145                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2146             w = None; /* don't do it */
2147         }
2148
2149         /* add the new window */
2150         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2151         self->user_time_window = w;
2152
2153         /* and update from it */
2154         client_update_user_time(self);
2155     }
2156 }
2157
2158 void client_update_icon_geometry(ObClient *self)
2159 {
2160     guint num;
2161     guint32 *data;
2162
2163     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2164
2165     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2166         && num == 4)
2167     {
2168         /* don't let them set it with an area < 0 */
2169         RECT_SET(self->icon_geometry, data[0], data[1],
2170                  MAX(data[2],0), MAX(data[3],0));
2171     }
2172 }
2173
2174 static void client_get_session_ids(ObClient *self)
2175 {
2176     guint32 leader;
2177     gboolean got;
2178     gchar *s;
2179     gchar **ss;
2180
2181     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2182         leader = None;
2183
2184     /* get the SM_CLIENT_ID */
2185     got = FALSE;
2186     if (leader)
2187         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2188     if (!got)
2189         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2190
2191     /* get the WM_CLASS (name and class). make them "" if they are not
2192        provided */
2193     got = FALSE;
2194     if (leader)
2195         got = PROP_GETSS(leader, wm_class, locale, &ss);
2196     if (!got)
2197         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2198
2199     if (got) {
2200         if (ss[0]) {
2201             self->name = g_strdup(ss[0]);
2202             if (ss[1])
2203                 self->class = g_strdup(ss[1]);
2204         }
2205         g_strfreev(ss);
2206     }
2207
2208     if (self->name == NULL) self->name = g_strdup("");
2209     if (self->class == NULL) self->class = g_strdup("");
2210
2211     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2212     got = FALSE;
2213     if (leader)
2214         got = PROP_GETS(leader, wm_window_role, locale, &s);
2215     if (!got)
2216         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2217
2218     if (got)
2219         self->role = s;
2220     else
2221         self->role = g_strdup("");
2222
2223     /* get the WM_COMMAND */
2224     got = FALSE;
2225
2226     if (leader)
2227         got = PROP_GETSS(leader, wm_command, locale, &ss);
2228     if (!got)
2229         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2230
2231     if (got) {
2232         /* merge/mash them all together */
2233         gchar *merge = NULL;
2234         gint i;
2235
2236         for (i = 0; ss[i]; ++i) {
2237             gchar *tmp = merge;
2238             if (merge)
2239                 merge = g_strconcat(merge, ss[i], NULL);
2240             else
2241                 merge = g_strconcat(ss[i], NULL);
2242             g_free(tmp);
2243         }
2244         g_strfreev(ss);
2245
2246         self->wm_command = merge;
2247     }
2248
2249     /* get the WM_CLIENT_MACHINE */
2250     got = FALSE;
2251     if (leader)
2252         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2253     if (!got)
2254         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2255
2256     if (got) {
2257         gchar localhost[128];
2258
2259         gethostname(localhost, 127);
2260         localhost[127] = '\0';
2261         if (strcmp(localhost, s) != 0)
2262             self->client_machine = s;
2263         else
2264             g_free(s);
2265     }
2266 }
2267
2268 static void client_change_wm_state(ObClient *self)
2269 {
2270     gulong state[2];
2271     glong old;
2272
2273     old = self->wmstate;
2274
2275     if (self->shaded || self->iconic ||
2276         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2277     {
2278         self->wmstate = IconicState;
2279     } else
2280         self->wmstate = NormalState;
2281
2282     if (old != self->wmstate) {
2283         PROP_MSG(self->window, kde_wm_change_state,
2284                  self->wmstate, 1, 0, 0);
2285
2286         state[0] = self->wmstate;
2287         state[1] = None;
2288         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2289     }
2290 }
2291
2292 static void client_change_state(ObClient *self)
2293 {
2294     gulong netstate[11];
2295     guint num;
2296
2297     num = 0;
2298     if (self->modal)
2299         netstate[num++] = prop_atoms.net_wm_state_modal;
2300     if (self->shaded)
2301         netstate[num++] = prop_atoms.net_wm_state_shaded;
2302     if (self->iconic)
2303         netstate[num++] = prop_atoms.net_wm_state_hidden;
2304     if (self->skip_taskbar)
2305         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2306     if (self->skip_pager)
2307         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2308     if (self->fullscreen)
2309         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2310     if (self->max_vert)
2311         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2312     if (self->max_horz)
2313         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2314     if (self->above)
2315         netstate[num++] = prop_atoms.net_wm_state_above;
2316     if (self->below)
2317         netstate[num++] = prop_atoms.net_wm_state_below;
2318     if (self->demands_attention)
2319         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2320     if (self->undecorated)
2321         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2322     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2323
2324     if (self->frame)
2325         frame_adjust_state(self->frame);
2326 }
2327
2328 ObClient *client_search_focus_tree(ObClient *self)
2329 {
2330     GSList *it;
2331     ObClient *ret;
2332
2333     for (it = self->transients; it; it = g_slist_next(it)) {
2334         if (client_focused(it->data)) return it->data;
2335         if ((ret = client_search_focus_tree(it->data))) return ret;
2336     }
2337     return NULL;
2338 }
2339
2340 ObClient *client_search_focus_tree_full(ObClient *self)
2341 {
2342     if (self->transient_for) {
2343         if (self->transient_for != OB_TRAN_GROUP) {
2344             return client_search_focus_tree_full(self->transient_for);
2345         } else {
2346             GSList *it;
2347             gboolean recursed = FALSE;
2348         
2349             for (it = self->group->members; it; it = g_slist_next(it))
2350                 if (!((ObClient*)it->data)->transient_for) {
2351                     ObClient *c;
2352                     if ((c = client_search_focus_tree_full(it->data)))
2353                         return c;
2354                     recursed = TRUE;
2355                 }
2356             if (recursed)
2357                 return NULL;
2358         }
2359     }
2360
2361     /* this function checks the whole tree, the client_search_focus_tree~
2362        does not, so we need to check this window */
2363     if (client_focused(self))
2364         return self;
2365     return client_search_focus_tree(self);
2366 }
2367
2368 static ObStackingLayer calc_layer(ObClient *self)
2369 {
2370     ObStackingLayer l;
2371
2372     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2373         l = OB_STACKING_LAYER_DESKTOP;
2374     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2375         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2376         else l = OB_STACKING_LAYER_ABOVE;
2377     }
2378     else if ((self->fullscreen ||
2379               /* No decorations and fills the monitor = oldskool fullscreen.
2380                  But not for maximized windows.
2381               */
2382               (self->decorations == 0 &&
2383                !(self->max_horz && self->max_vert) &&
2384                RECT_EQUAL(self->area,
2385                           *screen_physical_area_monitor
2386                           (client_monitor(self))))) &&
2387              (client_focused(self) || client_search_focus_tree(self)))
2388         l = OB_STACKING_LAYER_FULLSCREEN;
2389     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2390     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2391     else l = OB_STACKING_LAYER_NORMAL;
2392
2393     return l;
2394 }
2395
2396 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2397                                         ObStackingLayer min)
2398 {
2399     ObStackingLayer old, own;
2400     GSList *it;
2401
2402     old = self->layer;
2403     own = calc_layer(self);
2404     self->layer = MAX(own, min);
2405
2406     if (self->layer != old) {
2407         stacking_remove(CLIENT_AS_WINDOW(self));
2408         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2409     }
2410
2411     for (it = self->transients; it; it = g_slist_next(it))
2412         client_calc_layer_recursive(it->data, orig,
2413                                     self->layer);
2414 }
2415
2416 void client_calc_layer(ObClient *self)
2417 {
2418     ObClient *orig;
2419     GSList *it;
2420
2421     orig = self;
2422
2423     /* transients take on the layer of their parents */
2424     it = client_search_all_top_parents(self);
2425
2426     for (; it; it = g_slist_next(it))
2427         client_calc_layer_recursive(it->data, orig, 0);
2428 }
2429
2430 gboolean client_should_show(ObClient *self)
2431 {
2432     if (self->iconic)
2433         return FALSE;
2434     if (client_normal(self) && screen_showing_desktop)
2435         return FALSE;
2436     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2437         return TRUE;
2438     
2439     return FALSE;
2440 }
2441
2442 gboolean client_show(ObClient *self)
2443 {
2444     gboolean show = FALSE;
2445
2446     if (client_should_show(self)) {
2447         frame_show(self->frame);
2448         show = TRUE;
2449
2450         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2451            it needs to be in IconicState. This includes when it is on another
2452            desktop!
2453         */
2454         client_change_wm_state(self);
2455     }
2456     return show;
2457 }
2458
2459 gboolean client_hide(ObClient *self)
2460 {
2461     gboolean hide = FALSE;
2462
2463     if (!client_should_show(self)) {
2464         if (self == focus_client) {
2465             /* if there is a grab going on, then we need to cancel it. if we
2466                move focus during the grab, applications will get
2467                NotifyWhileGrabbed events and ignore them !
2468
2469                actions should not rely on being able to move focus during an
2470                interactive grab.
2471             */
2472             event_cancel_all_key_grabs();
2473         }
2474
2475         frame_hide(self->frame);
2476         hide = TRUE;
2477
2478         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2479            it needs to be in IconicState. This includes when it is on another
2480            desktop!
2481         */
2482         client_change_wm_state(self);
2483     }
2484     return hide;
2485 }
2486
2487 void client_showhide(ObClient *self)
2488 {
2489     if (!client_show(self))
2490         client_hide(self);
2491 }
2492
2493 gboolean client_normal(ObClient *self) {
2494     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2495               self->type == OB_CLIENT_TYPE_DOCK ||
2496               self->type == OB_CLIENT_TYPE_SPLASH);
2497 }
2498
2499 gboolean client_helper(ObClient *self)
2500 {
2501     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2502             self->type == OB_CLIENT_TYPE_MENU ||
2503             self->type == OB_CLIENT_TYPE_TOOLBAR);
2504 }
2505
2506 gboolean client_mouse_focusable(ObClient *self)
2507 {
2508     return !(self->type == OB_CLIENT_TYPE_MENU ||
2509              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2510              self->type == OB_CLIENT_TYPE_SPLASH ||
2511              self->type == OB_CLIENT_TYPE_DOCK);
2512 }
2513
2514 gboolean client_enter_focusable(ObClient *self)
2515 {
2516     /* you can focus desktops but it shouldn't on enter */
2517     return (client_mouse_focusable(self) &&
2518             self->type != OB_CLIENT_TYPE_DESKTOP);
2519 }
2520
2521
2522 static void client_apply_startup_state(ObClient *self)
2523 {
2524     /* set the desktop hint, to make sure that it always exists */
2525     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2526
2527     /* these are in a carefully crafted order.. */
2528
2529     if (self->iconic) {
2530         self->iconic = FALSE;
2531         client_iconify(self, TRUE, FALSE, TRUE);
2532     }
2533     if (self->fullscreen) {
2534         self->fullscreen = FALSE;
2535         client_fullscreen(self, TRUE);
2536     }
2537     if (self->undecorated) {
2538         self->undecorated = FALSE;
2539         client_set_undecorated(self, TRUE);
2540     }
2541     if (self->shaded) {
2542         self->shaded = FALSE;
2543         client_shade(self, TRUE);
2544     }
2545     if (self->demands_attention) {
2546         self->demands_attention = FALSE;
2547         client_hilite(self, TRUE);
2548     }
2549   
2550     if (self->max_vert && self->max_horz) {
2551         self->max_vert = self->max_horz = FALSE;
2552         client_maximize(self, TRUE, 0);
2553     } else if (self->max_vert) {
2554         self->max_vert = FALSE;
2555         client_maximize(self, TRUE, 2);
2556     } else if (self->max_horz) {
2557         self->max_horz = FALSE;
2558         client_maximize(self, TRUE, 1);
2559     }
2560
2561     /* nothing to do for the other states:
2562        skip_taskbar
2563        skip_pager
2564        modal
2565        above
2566        below
2567     */
2568 }
2569
2570 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2571 {
2572     /* these should be the current values. this is for when you're not moving,
2573        just resizing */
2574     g_assert(*x == self->area.x);
2575     g_assert(oldw == self->area.width);
2576
2577     /* horizontal */
2578     switch (self->gravity) {
2579     default:
2580     case NorthWestGravity:
2581     case WestGravity:
2582     case SouthWestGravity:
2583     case StaticGravity:
2584     case ForgetGravity:
2585         break;
2586     case NorthGravity:
2587     case CenterGravity:
2588     case SouthGravity:
2589         *x -= (neww - oldw) / 2;
2590         break;
2591     case NorthEastGravity:
2592     case EastGravity:
2593     case SouthEastGravity:
2594         *x -= neww - oldw;
2595         break;
2596     }
2597 }
2598
2599 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2600 {
2601     /* these should be the current values. this is for when you're not moving,
2602        just resizing */
2603     g_assert(*y == self->area.y);
2604     g_assert(oldh == self->area.height);
2605
2606     /* vertical */
2607     switch (self->gravity) {
2608     default:
2609     case NorthWestGravity:
2610     case NorthGravity:
2611     case NorthEastGravity:
2612     case StaticGravity:
2613     case ForgetGravity:
2614         break;
2615     case WestGravity:
2616     case CenterGravity:
2617     case EastGravity:
2618         *y -= (newh - oldh) / 2;
2619         break;
2620     case SouthWestGravity:
2621     case SouthGravity:
2622     case SouthEastGravity:
2623         *y -= newh - oldh;
2624         break;
2625     }
2626 }
2627
2628 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2629                           gint *logicalw, gint *logicalh,
2630                           gboolean user)
2631 {
2632     Rect desired_area = {*x, *y, *w, *h};
2633
2634     /* make the frame recalculate its dimentions n shit without changing
2635        anything visible for real, this way the constraints below can work with
2636        the updated frame dimensions. */
2637     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2638
2639     /* work within the prefered sizes given by the window */
2640     if (!(*w == self->area.width && *h == self->area.height)) {
2641         gint basew, baseh, minw, minh;
2642
2643         /* base size is substituted with min size if not specified */
2644         if (self->base_size.width || self->base_size.height) {
2645             basew = self->base_size.width;
2646             baseh = self->base_size.height;
2647         } else {
2648             basew = self->min_size.width;
2649             baseh = self->min_size.height;
2650         }
2651         /* min size is substituted with base size if not specified */
2652         if (self->min_size.width || self->min_size.height) {
2653             minw = self->min_size.width;
2654             minh = self->min_size.height;
2655         } else {
2656             minw = self->base_size.width;
2657             minh = self->base_size.height;
2658         }
2659
2660         /* if this is a user-requested resize, then check against min/max
2661            sizes */
2662
2663         /* smaller than min size or bigger than max size? */
2664         if (*w > self->max_size.width) *w = self->max_size.width;
2665         if (*w < minw) *w = minw;
2666         if (*h > self->max_size.height) *h = self->max_size.height;
2667         if (*h < minh) *h = minh;
2668
2669         *w -= basew;
2670         *h -= baseh;
2671
2672         /* keep to the increments */
2673         *w /= self->size_inc.width;
2674         *h /= self->size_inc.height;
2675
2676         /* you cannot resize to nothing */
2677         if (basew + *w < 1) *w = 1 - basew;
2678         if (baseh + *h < 1) *h = 1 - baseh;
2679   
2680         /* save the logical size */
2681         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2682         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2683
2684         *w *= self->size_inc.width;
2685         *h *= self->size_inc.height;
2686
2687         *w += basew;
2688         *h += baseh;
2689
2690         /* adjust the height to match the width for the aspect ratios.
2691            for this, min size is not substituted for base size ever. */
2692         *w -= self->base_size.width;
2693         *h -= self->base_size.height;
2694
2695         if (!self->fullscreen) {
2696             if (self->min_ratio)
2697                 if (*h * self->min_ratio > *w) {
2698                     *h = (gint)(*w / self->min_ratio);
2699
2700                     /* you cannot resize to nothing */
2701                     if (*h < 1) {
2702                         *h = 1;
2703                         *w = (gint)(*h * self->min_ratio);
2704                     }
2705                 }
2706             if (self->max_ratio)
2707                 if (*h * self->max_ratio < *w) {
2708                     *h = (gint)(*w / self->max_ratio);
2709
2710                     /* you cannot resize to nothing */
2711                     if (*h < 1) {
2712                         *h = 1;
2713                         *w = (gint)(*h * self->min_ratio);
2714                     }
2715                 }
2716         }
2717
2718         *w += self->base_size.width;
2719         *h += self->base_size.height;
2720     }
2721
2722     /* gets the frame's position */
2723     frame_client_gravity(self->frame, x, y, *w, *h);
2724
2725     /* these positions are frame positions, not client positions */
2726
2727     /* set the size and position if fullscreen */
2728     if (self->fullscreen) {
2729         Rect *a;
2730         guint i;
2731
2732         i = screen_find_monitor(&desired_area);
2733         a = screen_physical_area_monitor(i);
2734
2735         *x = a->x;
2736         *y = a->y;
2737         *w = a->width;
2738         *h = a->height;
2739
2740         user = FALSE; /* ignore if the client can't be moved/resized when it
2741                          is fullscreening */
2742     } else if (self->max_horz || self->max_vert) {
2743         Rect *a;
2744         guint i;
2745
2746         i = screen_find_monitor(&desired_area);
2747         a = screen_area_monitor(self->desktop, i);
2748
2749         /* set the size and position if maximized */
2750         if (self->max_horz) {
2751             *x = a->x;
2752             *w = a->width - self->frame->size.left - self->frame->size.right;
2753         }
2754         if (self->max_vert) {
2755             *y = a->y;
2756             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2757         }
2758
2759         user = FALSE; /* ignore if the client can't be moved/resized when it
2760                          is maximizing */
2761     }
2762
2763     /* gets the client's position */
2764     frame_frame_gravity(self->frame, x, y, *w, *h);
2765
2766     /* these override the above states! if you cant move you can't move! */
2767     if (user) {
2768         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2769             *x = self->area.x;
2770             *y = self->area.y;
2771         }
2772         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2773             *w = self->area.width;
2774             *h = self->area.height;
2775         }
2776     }
2777
2778     g_assert(*w > 0);
2779     g_assert(*h > 0);
2780 }
2781
2782
2783 void client_configure(ObClient *self, gint x, gint y, gint w, gint h, gint b,
2784                       gboolean user, gboolean final)
2785 {
2786     gint oldw, oldh;
2787     gboolean send_resize_client;
2788     gboolean moved = FALSE, resized = FALSE;
2789     gboolean fmoved, fresized;
2790     guint fdecor = self->frame->decorations;
2791     gboolean fhorz = self->frame->max_horz;
2792     gboolean fvert = self->frame->max_vert;
2793     gint logicalw, logicalh;
2794
2795     /* find the new x, y, width, and height (and logical size) */
2796     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2797
2798     /* set the logical size if things changed */
2799     if (!(w == self->area.width && h == self->area.height))
2800         SIZE_SET(self->logical_size, logicalw, logicalh);
2801
2802     /* figure out if we moved or resized or what */
2803     moved = x != self->area.x || y != self->area.y;
2804     resized = w != self->area.width || h != self->area.height ||
2805         b != self->border_width;
2806
2807     oldw = self->area.width;
2808     oldh = self->area.height;
2809     RECT_SET(self->area, x, y, w, h);
2810     self->border_width = b;
2811
2812     /* for app-requested resizes, always resize if 'resized' is true.
2813        for user-requested ones, only resize if final is true, or when
2814        resizing in redraw mode */
2815     send_resize_client = ((!user && resized) ||
2816                           (user && (final ||
2817                                     (resized && config_resize_redraw))));
2818
2819     /* if the client is enlarging, then resize the client before the frame */
2820     if (send_resize_client && (w > oldw || h > oldh)) {
2821         XWindowChanges changes;
2822         changes.x = -self->border_width;
2823         changes.y = -self->border_width;
2824         changes.width = MAX(w, oldw);
2825         changes.height = MAX(h, oldh);
2826         changes.border_width = self->border_width;
2827         XConfigureWindow(ob_display, self->window,
2828                          CWX|CWY|CWWidth|CWHeight|CWBorderWidth,
2829                          &changes);
2830         /* resize the plate to show the client padding color underneath */
2831         frame_adjust_client_area(self->frame);
2832     }
2833
2834     /* find the frame's dimensions and move/resize it */
2835     fmoved = moved;
2836     fresized = resized;
2837
2838     /* if decorations changed, then readjust everything for the frame */
2839     if (self->decorations != fdecor ||
2840         self->max_horz != fhorz || self->max_vert != fvert)
2841     {
2842         fmoved = fresized = TRUE;
2843     }
2844
2845     /* adjust the frame */
2846     if (fmoved || fresized)
2847         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2848
2849     if ((!user || (user && final)) && !resized)
2850     {
2851         XEvent event;
2852
2853         /* we have reset the client to 0 border width, so don't include
2854            it in these coords */
2855         POINT_SET(self->root_pos,
2856                   self->frame->area.x + self->frame->size.left -
2857                   self->border_width,
2858                   self->frame->area.y + self->frame->size.top -
2859                   self->border_width);
2860
2861         event.type = ConfigureNotify;
2862         event.xconfigure.display = ob_display;
2863         event.xconfigure.event = self->window;
2864         event.xconfigure.window = self->window;
2865
2866         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2867                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2868
2869         /* root window real coords */
2870         event.xconfigure.x = self->root_pos.x;
2871         event.xconfigure.y = self->root_pos.y;
2872         event.xconfigure.width = w;
2873         event.xconfigure.height = h;
2874         event.xconfigure.border_width = self->border_width;
2875         event.xconfigure.above = None;
2876         event.xconfigure.override_redirect = FALSE;
2877         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2878                    FALSE, StructureNotifyMask, &event);
2879     }
2880
2881     /* if the client is shrinking, then resize the frame before the client */
2882     if (send_resize_client && (w <= oldw && h <= oldh)) {
2883         /* resize the plate to show the client padding color underneath */
2884         frame_adjust_client_area(self->frame);
2885
2886         if (send_resize_client) {
2887             XWindowChanges changes;
2888             changes.x = -self->border_width;
2889             changes.y = -self->border_width;
2890             changes.width = w;
2891             changes.height = h;
2892             changes.border_width = self->border_width;
2893             XConfigureWindow(ob_display, self->window,
2894                              CWX|CWY|CWWidth|CWHeight|CWBorderWidth,
2895                              &changes);
2896         }
2897     }
2898
2899     XFlush(ob_display);
2900 }
2901
2902 void client_fullscreen(ObClient *self, gboolean fs)
2903 {
2904     gint x, y, w, h;
2905
2906     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2907         self->fullscreen == fs) return;                   /* already done */
2908
2909     self->fullscreen = fs;
2910     client_change_state(self); /* change the state hints on the client */
2911
2912     if (fs) {
2913         self->pre_fullscreen_area = self->area;
2914         /* if the window is maximized, its area isn't all that meaningful.
2915            save it's premax area instead. */
2916         if (self->max_horz) {
2917             self->pre_fullscreen_area.x = self->pre_max_area.x;
2918             self->pre_fullscreen_area.width = self->pre_max_area.width;
2919         }
2920         if (self->max_vert) {
2921             self->pre_fullscreen_area.y = self->pre_max_area.y;
2922             self->pre_fullscreen_area.height = self->pre_max_area.height;
2923         }
2924
2925         /* these will help configure_full figure out where to fullscreen
2926            the window */
2927         x = self->area.x;
2928         y = self->area.y;
2929         w = self->area.width;
2930         h = self->area.height;
2931     } else {
2932         g_assert(self->pre_fullscreen_area.width > 0 &&
2933                  self->pre_fullscreen_area.height > 0);
2934
2935         x = self->pre_fullscreen_area.x;
2936         y = self->pre_fullscreen_area.y;
2937         w = self->pre_fullscreen_area.width;
2938         h = self->pre_fullscreen_area.height;
2939         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2940     }
2941
2942     client_setup_decor_and_functions(self);
2943
2944     client_move_resize(self, x, y, w, h);
2945
2946     /* and adjust our layer/stacking. do this after resizing the window,
2947        and applying decorations, because windows which fill the screen are
2948        considered "fullscreen" and it affects their layer */
2949     client_calc_layer(self);
2950
2951     if (fs) {
2952         /* try focus us when we go into fullscreen mode */
2953         client_focus(self);
2954     }
2955 }
2956
2957 static void client_iconify_recursive(ObClient *self,
2958                                      gboolean iconic, gboolean curdesk,
2959                                      gboolean hide_animation)
2960 {
2961     GSList *it;
2962     gboolean changed = FALSE;
2963
2964
2965     if (self->iconic != iconic) {
2966         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2967                  self->window);
2968
2969         if (iconic) {
2970             /* don't let non-normal windows iconify along with their parents
2971                or whatever */
2972             if (client_normal(self)) {
2973                 self->iconic = iconic;
2974
2975                 /* update the focus lists.. iconic windows go to the bottom of
2976                    the list */
2977                 focus_order_to_bottom(self);
2978
2979                 changed = TRUE;
2980             }
2981         } else {
2982             self->iconic = iconic;
2983
2984             if (curdesk && self->desktop != screen_desktop &&
2985                 self->desktop != DESKTOP_ALL)
2986                 client_set_desktop(self, screen_desktop, FALSE);
2987
2988             /* this puts it after the current focused window */
2989             focus_order_remove(self);
2990             focus_order_add_new(self);
2991
2992             changed = TRUE;
2993         }
2994     }
2995
2996     if (changed) {
2997         client_change_state(self);
2998         if (config_animate_iconify && !hide_animation)
2999             frame_begin_iconify_animation(self->frame, iconic);
3000         /* do this after starting the animation so it doesn't flash */
3001         client_showhide(self);
3002     }
3003
3004     /* iconify all direct transients, and deiconify all transients
3005        (non-direct too) */
3006     for (it = self->transients; it; it = g_slist_next(it))
3007         if (it->data != self)
3008             if (client_is_direct_child(self, it->data) || !iconic)
3009                 client_iconify_recursive(it->data, iconic, curdesk,
3010                                          hide_animation);
3011 }
3012
3013 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3014                     gboolean hide_animation)
3015 {
3016     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3017         /* move up the transient chain as far as possible first */
3018         self = client_search_top_normal_parent(self);
3019         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3020     }
3021 }
3022
3023 void client_maximize(ObClient *self, gboolean max, gint dir)
3024 {
3025     gint x, y, w, h;
3026      
3027     g_assert(dir == 0 || dir == 1 || dir == 2);
3028     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3029
3030     /* check if already done */
3031     if (max) {
3032         if (dir == 0 && self->max_horz && self->max_vert) return;
3033         if (dir == 1 && self->max_horz) return;
3034         if (dir == 2 && self->max_vert) return;
3035     } else {
3036         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3037         if (dir == 1 && !self->max_horz) return;
3038         if (dir == 2 && !self->max_vert) return;
3039     }
3040
3041     /* these will help configure_full figure out which screen to fill with
3042        the window */
3043     x = self->area.x;
3044     y = self->area.y;
3045     w = self->area.width;
3046     h = self->area.height;
3047
3048     if (max) {
3049         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3050             RECT_SET(self->pre_max_area,
3051                      self->area.x, self->pre_max_area.y,
3052                      self->area.width, self->pre_max_area.height);
3053         }
3054         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3055             RECT_SET(self->pre_max_area,
3056                      self->pre_max_area.x, self->area.y,
3057                      self->pre_max_area.width, self->area.height);
3058         }
3059     } else {
3060         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3061             g_assert(self->pre_max_area.width > 0);
3062
3063             x = self->pre_max_area.x;
3064             w = self->pre_max_area.width;
3065
3066             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3067                      0, self->pre_max_area.height);
3068         }
3069         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3070             g_assert(self->pre_max_area.height > 0);
3071
3072             y = self->pre_max_area.y;
3073             h = self->pre_max_area.height;
3074
3075             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3076                      self->pre_max_area.width, 0);
3077         }
3078     }
3079
3080     if (dir == 0 || dir == 1) /* horz */
3081         self->max_horz = max;
3082     if (dir == 0 || dir == 2) /* vert */
3083         self->max_vert = max;
3084
3085     client_change_state(self); /* change the state hints on the client */
3086
3087     client_setup_decor_and_functions(self);
3088
3089     client_move_resize(self, x, y, w, h);
3090 }
3091
3092 void client_shade(ObClient *self, gboolean shade)
3093 {
3094     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3095          shade) ||                         /* can't shade */
3096         self->shaded == shade) return;     /* already done */
3097
3098     self->shaded = shade;
3099     client_change_state(self);
3100     client_change_wm_state(self); /* the window is being hidden/shown */
3101     /* resize the frame to just the titlebar */
3102     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3103 }
3104
3105 void client_close(ObClient *self)
3106 {
3107     XEvent ce;
3108
3109     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3110
3111     /* in the case that the client provides no means to requesting that it
3112        close, we just kill it */
3113     if (!self->delete_window)
3114         client_kill(self);
3115     
3116     /*
3117       XXX: itd be cool to do timeouts and shit here for killing the client's
3118       process off
3119       like... if the window is around after 5 seconds, then the close button
3120       turns a nice red, and if this function is called again, the client is
3121       explicitly killed.
3122     */
3123
3124     ce.xclient.type = ClientMessage;
3125     ce.xclient.message_type =  prop_atoms.wm_protocols;
3126     ce.xclient.display = ob_display;
3127     ce.xclient.window = self->window;
3128     ce.xclient.format = 32;
3129     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3130     ce.xclient.data.l[1] = event_curtime;
3131     ce.xclient.data.l[2] = 0l;
3132     ce.xclient.data.l[3] = 0l;
3133     ce.xclient.data.l[4] = 0l;
3134     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3135 }
3136
3137 void client_kill(ObClient *self)
3138 {
3139     XKillClient(ob_display, self->window);
3140 }
3141
3142 void client_hilite(ObClient *self, gboolean hilite)
3143 {
3144     if (self->demands_attention == hilite)
3145         return; /* no change */
3146
3147     /* don't allow focused windows to hilite */
3148     self->demands_attention = hilite && !client_focused(self);
3149     if (self->frame != NULL) { /* if we're mapping, just set the state */
3150         if (self->demands_attention)
3151             frame_flash_start(self->frame);
3152         else
3153             frame_flash_stop(self->frame);
3154         client_change_state(self);
3155     }
3156 }
3157
3158 void client_set_desktop_recursive(ObClient *self,
3159                                   guint target,
3160                                   gboolean donthide)
3161 {
3162     guint old;
3163     GSList *it;
3164
3165     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3166
3167         ob_debug("Setting desktop %u\n", target+1);
3168
3169         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3170
3171         old = self->desktop;
3172         self->desktop = target;
3173         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3174         /* the frame can display the current desktop state */
3175         frame_adjust_state(self->frame);
3176         /* 'move' the window to the new desktop */
3177         if (!donthide)
3178             client_showhide(self);
3179         /* raise if it was not already on the desktop */
3180         if (old != DESKTOP_ALL)
3181             stacking_raise(CLIENT_AS_WINDOW(self));
3182         if (STRUT_EXISTS(self->strut))
3183             screen_update_areas();
3184     }
3185
3186     /* move all transients */
3187     for (it = self->transients; it; it = g_slist_next(it))
3188         if (it->data != self)
3189             if (client_is_direct_child(self, it->data))
3190                 client_set_desktop_recursive(it->data, target, donthide);
3191 }
3192
3193 void client_set_desktop(ObClient *self, guint target,
3194                         gboolean donthide)
3195 {
3196     self = client_search_top_normal_parent(self);
3197     client_set_desktop_recursive(self, target, donthide);
3198 }
3199
3200 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3201 {
3202     while (child != parent &&
3203            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3204         child = child->transient_for;
3205     return child == parent;
3206 }
3207
3208 ObClient *client_search_modal_child(ObClient *self)
3209 {
3210     GSList *it;
3211     ObClient *ret;
3212   
3213     for (it = self->transients; it; it = g_slist_next(it)) {
3214         ObClient *c = it->data;
3215         if ((ret = client_search_modal_child(c))) return ret;
3216         if (c->modal) return c;
3217     }
3218     return NULL;
3219 }
3220
3221 gboolean client_validate(ObClient *self)
3222 {
3223     XEvent e; 
3224
3225     XSync(ob_display, FALSE); /* get all events on the server */
3226
3227     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3228         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3229         XPutBackEvent(ob_display, &e);
3230         return FALSE;
3231     }
3232
3233     return TRUE;
3234 }
3235
3236 void client_set_wm_state(ObClient *self, glong state)
3237 {
3238     if (state == self->wmstate) return; /* no change */
3239   
3240     switch (state) {
3241     case IconicState:
3242         client_iconify(self, TRUE, TRUE, FALSE);
3243         break;
3244     case NormalState:
3245         client_iconify(self, FALSE, TRUE, FALSE);
3246         break;
3247     }
3248 }
3249
3250 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3251 {
3252     gboolean shaded = self->shaded;
3253     gboolean fullscreen = self->fullscreen;
3254     gboolean undecorated = self->undecorated;
3255     gboolean max_horz = self->max_horz;
3256     gboolean max_vert = self->max_vert;
3257     gboolean modal = self->modal;
3258     gboolean iconic = self->iconic;
3259     gboolean demands_attention = self->demands_attention;
3260     gboolean above = self->above;
3261     gboolean below = self->below;
3262     gint i;
3263
3264     if (!(action == prop_atoms.net_wm_state_add ||
3265           action == prop_atoms.net_wm_state_remove ||
3266           action == prop_atoms.net_wm_state_toggle))
3267         /* an invalid action was passed to the client message, ignore it */
3268         return; 
3269
3270     for (i = 0; i < 2; ++i) {
3271         Atom state = i == 0 ? data1 : data2;
3272     
3273         if (!state) continue;
3274
3275         /* if toggling, then pick whether we're adding or removing */
3276         if (action == prop_atoms.net_wm_state_toggle) {
3277             if (state == prop_atoms.net_wm_state_modal)
3278                 action = modal ? prop_atoms.net_wm_state_remove :
3279                     prop_atoms.net_wm_state_add;
3280             else if (state == prop_atoms.net_wm_state_maximized_vert)
3281                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3282                     prop_atoms.net_wm_state_add;
3283             else if (state == prop_atoms.net_wm_state_maximized_horz)
3284                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3285                     prop_atoms.net_wm_state_add;
3286             else if (state == prop_atoms.net_wm_state_shaded)
3287                 action = shaded ? prop_atoms.net_wm_state_remove :
3288                     prop_atoms.net_wm_state_add;
3289             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3290                 action = self->skip_taskbar ?
3291                     prop_atoms.net_wm_state_remove :
3292                     prop_atoms.net_wm_state_add;
3293             else if (state == prop_atoms.net_wm_state_skip_pager)
3294                 action = self->skip_pager ?
3295                     prop_atoms.net_wm_state_remove :
3296                     prop_atoms.net_wm_state_add;
3297             else if (state == prop_atoms.net_wm_state_hidden)
3298                 action = self->iconic ?
3299                     prop_atoms.net_wm_state_remove :
3300                     prop_atoms.net_wm_state_add;
3301             else if (state == prop_atoms.net_wm_state_fullscreen)
3302                 action = fullscreen ?
3303                     prop_atoms.net_wm_state_remove :
3304                     prop_atoms.net_wm_state_add;
3305             else if (state == prop_atoms.net_wm_state_above)
3306                 action = self->above ? prop_atoms.net_wm_state_remove :
3307                     prop_atoms.net_wm_state_add;
3308             else if (state == prop_atoms.net_wm_state_below)
3309                 action = self->below ? prop_atoms.net_wm_state_remove :
3310                     prop_atoms.net_wm_state_add;
3311             else if (state == prop_atoms.net_wm_state_demands_attention)
3312                 action = self->demands_attention ?
3313                     prop_atoms.net_wm_state_remove :
3314                     prop_atoms.net_wm_state_add;
3315             else if (state == prop_atoms.ob_wm_state_undecorated)
3316                 action = undecorated ? prop_atoms.net_wm_state_remove :
3317                     prop_atoms.net_wm_state_add;
3318         }
3319     
3320         if (action == prop_atoms.net_wm_state_add) {
3321             if (state == prop_atoms.net_wm_state_modal) {
3322                 modal = TRUE;
3323             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3324                 max_vert = TRUE;
3325             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3326                 max_horz = TRUE;
3327             } else if (state == prop_atoms.net_wm_state_shaded) {
3328                 shaded = TRUE;
3329             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3330                 self->skip_taskbar = TRUE;
3331             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3332                 self->skip_pager = TRUE;
3333             } else if (state == prop_atoms.net_wm_state_hidden) {
3334                 iconic = TRUE;
3335             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3336                 fullscreen = TRUE;
3337             } else if (state == prop_atoms.net_wm_state_above) {
3338                 above = TRUE;
3339                 below = FALSE;
3340             } else if (state == prop_atoms.net_wm_state_below) {
3341                 above = FALSE;
3342                 below = TRUE;
3343             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3344                 demands_attention = TRUE;
3345             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3346                 undecorated = TRUE;
3347             }
3348
3349         } else { /* action == prop_atoms.net_wm_state_remove */
3350             if (state == prop_atoms.net_wm_state_modal) {
3351                 modal = FALSE;
3352             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3353                 max_vert = FALSE;
3354             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3355                 max_horz = FALSE;
3356             } else if (state == prop_atoms.net_wm_state_shaded) {
3357                 shaded = FALSE;
3358             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3359                 self->skip_taskbar = FALSE;
3360             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3361                 self->skip_pager = FALSE;
3362             } else if (state == prop_atoms.net_wm_state_hidden) {
3363                 iconic = FALSE;
3364             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3365                 fullscreen = FALSE;
3366             } else if (state == prop_atoms.net_wm_state_above) {
3367                 above = FALSE;
3368             } else if (state == prop_atoms.net_wm_state_below) {
3369                 below = FALSE;
3370             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3371                 demands_attention = FALSE;
3372             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3373                 undecorated = FALSE;
3374             }
3375         }
3376     }
3377
3378     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3379         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3380             /* toggling both */
3381             if (max_horz == max_vert) { /* both going the same way */
3382                 client_maximize(self, max_horz, 0);
3383             } else {
3384                 client_maximize(self, max_horz, 1);
3385                 client_maximize(self, max_vert, 2);
3386             }
3387         } else {
3388             /* toggling one */
3389             if (max_horz != self->max_horz)
3390                 client_maximize(self, max_horz, 1);
3391             else
3392                 client_maximize(self, max_vert, 2);
3393         }
3394     }
3395     /* change fullscreen state before shading, as it will affect if the window
3396        can shade or not */
3397     if (fullscreen != self->fullscreen)
3398         client_fullscreen(self, fullscreen);
3399     if (shaded != self->shaded)
3400         client_shade(self, shaded);
3401     if (undecorated != self->undecorated)
3402         client_set_undecorated(self, undecorated);
3403     if (above != self->above || below != self->below) {
3404         self->above = above;
3405         self->below = below;
3406         client_calc_layer(self);
3407     }
3408
3409     if (modal != self->modal) {
3410         self->modal = modal;
3411         /* when a window changes modality, then its stacking order with its
3412            transients needs to change */
3413         stacking_raise(CLIENT_AS_WINDOW(self));
3414
3415         /* it also may get focused. if something is focused that shouldn't
3416            be focused anymore, then move the focus */
3417         if (focus_client && client_focus_target(focus_client) != focus_client)
3418             client_focus(focus_client);
3419     }
3420
3421     if (iconic != self->iconic)
3422         client_iconify(self, iconic, FALSE, FALSE);
3423
3424     if (demands_attention != self->demands_attention)
3425         client_hilite(self, demands_attention);
3426
3427     client_change_state(self); /* change the hint to reflect these changes */
3428 }
3429
3430 ObClient *client_focus_target(ObClient *self)
3431 {
3432     ObClient *child = NULL;
3433
3434     child = client_search_modal_child(self);
3435     if (child) return child;
3436     return self;
3437 }
3438
3439 gboolean client_can_focus(ObClient *self)
3440 {
3441     /* choose the correct target */
3442     self = client_focus_target(self);
3443
3444     if (!self->frame->visible)
3445         return FALSE;
3446
3447     if (!(self->can_focus || self->focus_notify))
3448         return FALSE;
3449
3450     return TRUE;
3451 }
3452
3453 gboolean client_focus(ObClient *self)
3454 {
3455     /* choose the correct target */
3456     self = client_focus_target(self);
3457
3458     if (!client_can_focus(self)) {
3459         if (!self->frame->visible) {
3460             /* update the focus lists */
3461             focus_order_to_top(self);
3462         }
3463         return FALSE;
3464     }
3465
3466     ob_debug_type(OB_DEBUG_FOCUS,
3467                   "Focusing client \"%s\" at time %u\n",
3468                   self->title, event_curtime);
3469
3470     /* if there is a grab going on, then we need to cancel it. if we move
3471        focus during the grab, applications will get NotifyWhileGrabbed events
3472        and ignore them !
3473
3474        actions should not rely on being able to move focus during an
3475        interactive grab.
3476     */
3477     event_cancel_all_key_grabs();
3478
3479     xerror_set_ignore(TRUE);
3480     xerror_occured = FALSE;
3481
3482     if (self->can_focus) {
3483         /* This can cause a BadMatch error with CurrentTime, or if an app
3484            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3485         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3486                        event_curtime);
3487     }
3488
3489     if (self->focus_notify) {
3490         XEvent ce;
3491         ce.xclient.type = ClientMessage;
3492         ce.xclient.message_type = prop_atoms.wm_protocols;
3493         ce.xclient.display = ob_display;
3494         ce.xclient.window = self->window;
3495         ce.xclient.format = 32;
3496         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3497         ce.xclient.data.l[1] = event_curtime;
3498         ce.xclient.data.l[2] = 0l;
3499         ce.xclient.data.l[3] = 0l;
3500         ce.xclient.data.l[4] = 0l;
3501         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3502     }
3503
3504     xerror_set_ignore(FALSE);
3505
3506     return !xerror_occured;
3507 }
3508
3509 /*! Present the client to the user.
3510   @param raise If the client should be raised or not. You should only set
3511                raise to false if you don't care if the window is completely
3512                hidden.
3513 */
3514 static void client_present(ObClient *self, gboolean here, gboolean raise)
3515 {
3516     /* if using focus_delay, stop the timer now so that focus doesn't
3517        go moving on us */
3518     event_halt_focus_delay();
3519
3520     if (client_normal(self) && screen_showing_desktop)
3521         screen_show_desktop(FALSE, self);
3522     if (self->iconic)
3523         client_iconify(self, FALSE, here, FALSE);
3524     if (self->desktop != DESKTOP_ALL &&
3525         self->desktop != screen_desktop)
3526     {
3527         if (here)
3528             client_set_desktop(self, screen_desktop, FALSE);
3529         else
3530             screen_set_desktop(self->desktop, FALSE);
3531     } else if (!self->frame->visible)
3532         /* if its not visible for other reasons, then don't mess
3533            with it */
3534         return;
3535     if (self->shaded)
3536         client_shade(self, FALSE);
3537     if (raise)
3538         stacking_raise(CLIENT_AS_WINDOW(self));
3539
3540     client_focus(self);
3541 }
3542
3543 void client_activate(ObClient *self, gboolean here, gboolean user)
3544 {
3545     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3546     gboolean allow = FALSE;
3547
3548     /* if the request came from the user, or if nothing is focused, then grant
3549        the request.
3550        if the currently focused app doesn't set a user_time, then it can't
3551        benefit from any focus stealing prevention.
3552     */
3553     if (user || !focus_client || !last_time)
3554         allow = TRUE;
3555     /* otherwise, if they didn't give a time stamp or if it is too old, they
3556        don't get focus */
3557     else
3558         allow = event_curtime && event_time_after(event_curtime, last_time);
3559
3560     ob_debug_type(OB_DEBUG_FOCUS,
3561                   "Want to activate window 0x%x with time %u (last time %u), "
3562                   "source=%s allowing? %d\n",
3563                   self->window, event_curtime, last_time,
3564                   (user ? "user" : "application"), allow);
3565
3566     if (allow)
3567         client_present(self, here, TRUE);
3568     else
3569         /* don't focus it but tell the user it wants attention */
3570         client_hilite(self, TRUE);
3571 }
3572
3573 static void client_bring_helper_windows_recursive(ObClient *self,
3574                                                   guint desktop)
3575 {
3576     GSList *it;
3577
3578     for (it = self->transients; it; it = g_slist_next(it))
3579         client_bring_helper_windows_recursive(it->data, desktop);
3580
3581     if (client_helper(self) &&
3582         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3583     {
3584         client_set_desktop(self, desktop, FALSE);
3585     }
3586 }
3587
3588 void client_bring_helper_windows(ObClient *self)
3589 {
3590     client_bring_helper_windows_recursive(self, self->desktop);
3591 }
3592
3593 gboolean client_focused(ObClient *self)
3594 {
3595     return self == focus_client;
3596 }
3597
3598 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3599 {
3600     guint i;
3601     gulong min_diff, min_i;
3602
3603     if (!self->nicons) {
3604         ObClientIcon *parent = NULL;
3605
3606         if (self->transient_for) {
3607             if (self->transient_for != OB_TRAN_GROUP)
3608                 parent = client_icon_recursive(self->transient_for, w, h);
3609             else {
3610                 GSList *it;
3611                 for (it = self->group->members; it; it = g_slist_next(it)) {
3612                     ObClient *c = it->data;
3613                     if (c != self && !c->transient_for) {
3614                         if ((parent = client_icon_recursive(c, w, h)))
3615                             break;
3616                     }
3617                 }
3618             }
3619         }
3620         
3621         return parent;
3622     }
3623
3624     /* some kind of crappy approximation to find the icon closest in size to
3625        what we requested, but icons are generally all the same ratio as
3626        eachother so it's good enough. */
3627
3628     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3629     min_i = 0;
3630
3631     for (i = 1; i < self->nicons; ++i) {
3632         gulong diff;
3633
3634         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3635         if (diff < min_diff) {
3636             min_diff = diff;
3637             min_i = i;
3638         }
3639     }
3640     return &self->icons[min_i];
3641 }
3642
3643 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3644 {
3645     ObClientIcon *ret;
3646     static ObClientIcon deficon;
3647
3648     if (!(ret = client_icon_recursive(self, w, h))) {
3649         deficon.width = deficon.height = 48;
3650         deficon.data = ob_rr_theme->def_win_icon;
3651         ret = &deficon;
3652     }
3653     return ret;
3654 }
3655
3656 void client_set_layer(ObClient *self, gint layer)
3657 {
3658     if (layer < 0) {
3659         self->below = TRUE;
3660         self->above = FALSE;
3661     } else if (layer == 0) {
3662         self->below = self->above = FALSE;
3663     } else {
3664         self->below = FALSE;
3665         self->above = TRUE;
3666     }
3667     client_calc_layer(self);
3668     client_change_state(self); /* reflect this in the state hints */
3669 }
3670
3671 void client_set_undecorated(ObClient *self, gboolean undecorated)
3672 {
3673     if (self->undecorated != undecorated &&
3674         /* don't let it undecorate if the function is missing, but let 
3675            it redecorate */
3676         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3677     {
3678         self->undecorated = undecorated;
3679         client_setup_decor_and_functions(self);
3680         client_reconfigure(self); /* show the lack of decorations */
3681         client_change_state(self); /* reflect this in the state hints */
3682     }
3683 }
3684
3685 guint client_monitor(ObClient *self)
3686 {
3687     return screen_find_monitor(&self->frame->area);
3688 }
3689
3690 ObClient *client_search_top_normal_parent(ObClient *self)
3691 {
3692     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3693            client_normal(self->transient_for))
3694         self = self->transient_for;
3695     return self;
3696 }
3697
3698 static GSList *client_search_all_top_parents_internal(ObClient *self,
3699                                                       gboolean bylayer,
3700                                                       ObStackingLayer layer)
3701 {
3702     GSList *ret = NULL;
3703     
3704     /* move up the direct transient chain as far as possible */
3705     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3706            (!bylayer || self->transient_for->layer == layer) &&
3707            client_normal(self->transient_for))
3708         self = self->transient_for;
3709
3710     if (!self->transient_for)
3711         ret = g_slist_prepend(ret, self);
3712     else {
3713             GSList *it;
3714
3715             g_assert(self->group);
3716
3717             for (it = self->group->members; it; it = g_slist_next(it)) {
3718                 ObClient *c = it->data;
3719
3720                 if (!c->transient_for && client_normal(c) &&
3721                     (!bylayer || c->layer == layer))
3722                 {
3723                     ret = g_slist_prepend(ret, c);
3724                 }
3725             }
3726
3727             if (ret == NULL) /* no group parents */
3728                 ret = g_slist_prepend(ret, self);
3729     }
3730
3731     return ret;
3732 }
3733
3734 GSList *client_search_all_top_parents(ObClient *self)
3735 {
3736     return client_search_all_top_parents_internal(self, FALSE, 0);
3737 }
3738
3739 GSList *client_search_all_top_parents_layer(ObClient *self)
3740 {
3741     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3742 }
3743
3744 ObClient *client_search_focus_parent(ObClient *self)
3745 {
3746     if (self->transient_for) {
3747         if (self->transient_for != OB_TRAN_GROUP) {
3748             if (client_focused(self->transient_for))
3749                 return self->transient_for;
3750         } else {
3751             GSList *it;
3752
3753             for (it = self->group->members; it; it = g_slist_next(it)) {
3754                 ObClient *c = it->data;
3755
3756                 /* checking transient_for prevents infinate loops! */
3757                 if (c != self && !c->transient_for)
3758                     if (client_focused(c))
3759                         return c;
3760             }
3761         }
3762     }
3763
3764     return NULL;
3765 }
3766
3767 ObClient *client_search_parent(ObClient *self, ObClient *search)
3768 {
3769     if (self->transient_for) {
3770         if (self->transient_for != OB_TRAN_GROUP) {
3771             if (self->transient_for == search)
3772                 return search;
3773         } else {
3774             GSList *it;
3775
3776             for (it = self->group->members; it; it = g_slist_next(it)) {
3777                 ObClient *c = it->data;
3778
3779                 /* checking transient_for prevents infinate loops! */
3780                 if (c != self && !c->transient_for)
3781                     if (c == search)
3782                         return search;
3783             }
3784         }
3785     }
3786
3787     return NULL;
3788 }
3789
3790 ObClient *client_search_transient(ObClient *self, ObClient *search)
3791 {
3792     GSList *sit;
3793
3794     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3795         if (sit->data == search)
3796             return search;
3797         if (client_search_transient(sit->data, search))
3798             return search;
3799     }
3800     return NULL;
3801 }
3802
3803 #define WANT_EDGE(cur, c) \
3804             if(cur == c)                                                      \
3805                 continue;                                                     \
3806             if(!client_normal(cur))                                           \
3807                 continue;                                                     \
3808             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3809                 continue;                                                     \
3810             if(cur->iconic)                                                   \
3811                 continue;
3812
3813 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3814             if ((his_edge_start >= my_edge_start && \
3815                  his_edge_start <= my_edge_end) ||  \
3816                 (my_edge_start >= his_edge_start && \
3817                  my_edge_start <= his_edge_end))    \
3818                 dest = his_offset;
3819
3820 /* finds the nearest edge in the given direction from the current client
3821  * note to self: the edge is the -frame- edge (the actual one), not the
3822  * client edge.
3823  */
3824 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3825 {
3826     gint dest, monitor_dest;
3827     gint my_edge_start, my_edge_end, my_offset;
3828     GList *it;
3829     Rect *a, *monitor;
3830     
3831     if(!client_list)
3832         return -1;
3833
3834     a = screen_area(c->desktop);
3835     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3836
3837     switch(dir) {
3838     case OB_DIRECTION_NORTH:
3839         my_edge_start = c->frame->area.x;
3840         my_edge_end = c->frame->area.x + c->frame->area.width;
3841         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3842         
3843         /* default: top of screen */
3844         dest = a->y + (hang ? c->frame->area.height : 0);
3845         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3846         /* if the monitor edge comes before the screen edge, */
3847         /* use that as the destination instead. (For xinerama) */
3848         if (monitor_dest != dest && my_offset > monitor_dest)
3849             dest = monitor_dest; 
3850
3851         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3852             gint his_edge_start, his_edge_end, his_offset;
3853             ObClient *cur = it->data;
3854
3855             WANT_EDGE(cur, c)
3856
3857             his_edge_start = cur->frame->area.x;
3858             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3859             his_offset = cur->frame->area.y + 
3860                          (hang ? 0 : cur->frame->area.height);
3861
3862             if(his_offset + 1 > my_offset)
3863                 continue;
3864
3865             if(his_offset < dest)
3866                 continue;
3867
3868             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3869         }
3870         break;
3871     case OB_DIRECTION_SOUTH:
3872         my_edge_start = c->frame->area.x;
3873         my_edge_end = c->frame->area.x + c->frame->area.width;
3874         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3875
3876         /* default: bottom of screen */
3877         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3878         monitor_dest = monitor->y + monitor->height -
3879                        (hang ? c->frame->area.height : 0);
3880         /* if the monitor edge comes before the screen edge, */
3881         /* use that as the destination instead. (For xinerama) */
3882         if (monitor_dest != dest && my_offset < monitor_dest)
3883             dest = monitor_dest; 
3884
3885         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3886             gint his_edge_start, his_edge_end, his_offset;
3887             ObClient *cur = it->data;
3888
3889             WANT_EDGE(cur, c)
3890
3891             his_edge_start = cur->frame->area.x;
3892             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3893             his_offset = cur->frame->area.y +
3894                          (hang ? cur->frame->area.height : 0);
3895
3896
3897             if(his_offset - 1 < my_offset)
3898                 continue;
3899             
3900             if(his_offset > dest)
3901                 continue;
3902
3903             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3904         }
3905         break;
3906     case OB_DIRECTION_WEST:
3907         my_edge_start = c->frame->area.y;
3908         my_edge_end = c->frame->area.y + c->frame->area.height;
3909         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3910
3911         /* default: leftmost egde of screen */
3912         dest = a->x + (hang ? c->frame->area.width : 0);
3913         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3914         /* if the monitor edge comes before the screen edge, */
3915         /* use that as the destination instead. (For xinerama) */
3916         if (monitor_dest != dest && my_offset > monitor_dest)
3917             dest = monitor_dest;            
3918
3919         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3920             gint his_edge_start, his_edge_end, his_offset;
3921             ObClient *cur = it->data;
3922
3923             WANT_EDGE(cur, c)
3924
3925             his_edge_start = cur->frame->area.y;
3926             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3927             his_offset = cur->frame->area.x +
3928                          (hang ? 0 : cur->frame->area.width);
3929
3930             if(his_offset + 1 > my_offset)
3931                 continue;
3932
3933             if(his_offset < dest)
3934                 continue;
3935
3936             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3937         }
3938        break;
3939     case OB_DIRECTION_EAST:
3940         my_edge_start = c->frame->area.y;
3941         my_edge_end = c->frame->area.y + c->frame->area.height;
3942         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3943         
3944         /* default: rightmost edge of screen */
3945         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3946         monitor_dest = monitor->x + monitor->width -
3947                        (hang ? c->frame->area.width : 0);
3948         /* if the monitor edge comes before the screen edge, */
3949         /* use that as the destination instead. (For xinerama) */
3950         if (monitor_dest != dest && my_offset < monitor_dest)
3951             dest = monitor_dest;            
3952
3953         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3954             gint his_edge_start, his_edge_end, his_offset;
3955             ObClient *cur = it->data;
3956
3957             WANT_EDGE(cur, c)
3958
3959             his_edge_start = cur->frame->area.y;
3960             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3961             his_offset = cur->frame->area.x +
3962                          (hang ? cur->frame->area.width : 0);
3963
3964             if(his_offset - 1 < my_offset)
3965                 continue;
3966             
3967             if(his_offset > dest)
3968                 continue;
3969
3970             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3971         }
3972         break;
3973     case OB_DIRECTION_NORTHEAST:
3974     case OB_DIRECTION_SOUTHEAST:
3975     case OB_DIRECTION_NORTHWEST:
3976     case OB_DIRECTION_SOUTHWEST:
3977         /* not implemented */
3978     default:
3979         g_assert_not_reached();
3980         dest = 0; /* suppress warning */
3981     }
3982     return dest;
3983 }
3984
3985 ObClient* client_under_pointer()
3986 {
3987     gint x, y;
3988     GList *it;
3989     ObClient *ret = NULL;
3990
3991     if (screen_pointer_pos(&x, &y)) {
3992         for (it = stacking_list; it; it = g_list_next(it)) {
3993             if (WINDOW_IS_CLIENT(it->data)) {
3994                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3995                 if (c->frame->visible &&
3996                     /* ignore all animating windows */
3997                     !frame_iconify_animating(c->frame) &&
3998                     RECT_CONTAINS(c->frame->area, x, y))
3999                 {
4000                     ret = c;
4001                     break;
4002                 }
4003             }
4004         }
4005     }
4006     return ret;
4007 }
4008
4009 gboolean client_has_group_siblings(ObClient *self)
4010 {
4011     return self->group && self->group->members->next;
4012 }