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