Don't uniconify locked windows via _NET_ACTIVE_WINDOW
[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 "screen.h"
25 #include "moveresize.h"
26 #include "ping.h"
27 #include "place.h"
28 #include "frame.h"
29 #include "session.h"
30 #include "event.h"
31 #include "grab.h"
32 #include "prompt.h"
33 #include "focus.h"
34 #include "focus_cycle.h"
35 #include "stacking.h"
36 #include "openbox.h"
37 #include "group.h"
38 #include "config.h"
39 #include "menuframe.h"
40 #include "keyboard.h"
41 #include "mouse.h"
42 #include "obrender/render.h"
43 #include "gettext.h"
44 #include "obt/display.h"
45 #include "obt/xqueue.h"
46 #include "obt/prop.h"
47
48 #ifdef HAVE_UNISTD_H
49 #  include <unistd.h>
50 #endif
51
52 #ifdef HAVE_SIGNAL_H
53 #  include <signal.h> /* for kill() */
54 #endif
55
56 #include <glib.h>
57 #include <X11/Xutil.h>
58
59 /*! The event mask to grab on client windows */
60 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
61                           ColormapChangeMask)
62
63 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
64                                 ButtonMotionMask)
65
66 typedef struct
67 {
68     ObClientCallback func;
69     gpointer data;
70 } ClientCallback;
71
72 GList          *client_list             = NULL;
73
74 static GSList  *client_destroy_notifies = NULL;
75 static RrImage *client_default_icon     = NULL;
76
77 static void client_get_all(ObClient *self, gboolean real);
78 static void client_get_startup_id(ObClient *self);
79 static void client_get_session_ids(ObClient *self);
80 static void client_save_app_rule_values(ObClient *self);
81 static void client_get_area(ObClient *self);
82 static void client_get_desktop(ObClient *self);
83 static void client_get_state(ObClient *self);
84 static void client_get_shaped(ObClient *self);
85 static void client_get_colormap(ObClient *self);
86 static void client_set_desktop_recursive(ObClient *self,
87                                          guint target,
88                                          gboolean donthide,
89                                          gboolean dontraise);
90 static void client_change_allowed_actions(ObClient *self);
91 static void client_change_state(ObClient *self);
92 static void client_change_wm_state(ObClient *self);
93 static void client_apply_startup_state(ObClient *self,
94                                        gint x, gint y, gint w, gint h);
95 static void client_restore_session_state(ObClient *self);
96 static gboolean client_restore_session_stacking(ObClient *self);
97 static ObAppSettings *client_get_settings_state(ObClient *self);
98 static void client_update_transient_tree(ObClient *self,
99                                          ObGroup *oldgroup, ObGroup *newgroup,
100                                          gboolean oldgtran, gboolean newgtran,
101                                          ObClient* oldparent,
102                                          ObClient *newparent);
103 static void client_present(ObClient *self, gboolean here, gboolean raise,
104                            gboolean unshade);
105 static GSList *client_search_all_top_parents_internal(ObClient *self,
106                                                       gboolean bylayer,
107                                                       ObStackingLayer layer);
108 static void client_call_notifies(ObClient *self, GSList *list);
109 static void client_ping_event(ObClient *self, gboolean dead);
110 static void client_prompt_kill(ObClient *self);
111 static gboolean client_can_steal_focus(ObClient *self,
112                                        gboolean allow_other_desktop,
113                                        gboolean request_from_user,
114                                        Time steal_time, Time launch_time);
115 static void client_setup_default_decor_and_functions(ObClient *self);
116 static void client_setup_decor_undecorated(ObClient *self);
117
118 void client_startup(gboolean reconfig)
119 {
120     client_default_icon = RrImageNewFromData(
121         ob_rr_icons, ob_rr_theme->def_win_icon,
122         ob_rr_theme->def_win_icon_w, ob_rr_theme->def_win_icon_h);
123
124     if (reconfig) return;
125
126     client_set_list();
127 }
128
129 void client_shutdown(gboolean reconfig)
130 {
131     RrImageUnref(client_default_icon);
132     client_default_icon = NULL;
133
134     if (reconfig) return;
135 }
136
137 static void client_call_notifies(ObClient *self, GSList *list)
138 {
139     GSList *it;
140
141     for (it = list; it; it = g_slist_next(it)) {
142         ClientCallback *d = it->data;
143         d->func(self, d->data);
144     }
145 }
146
147 void client_add_destroy_notify(ObClientCallback func, gpointer data)
148 {
149     ClientCallback *d = g_slice_new(ClientCallback);
150     d->func = func;
151     d->data = data;
152     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
153 }
154
155 void client_remove_destroy_notify(ObClientCallback func)
156 {
157     GSList *it;
158
159     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
160         ClientCallback *d = it->data;
161         if (d->func == func) {
162             g_slice_free(ClientCallback, d);
163             client_destroy_notifies =
164                 g_slist_delete_link(client_destroy_notifies, it);
165             break;
166         }
167     }
168 }
169
170 void client_remove_destroy_notify_data(ObClientCallback func, gpointer data)
171 {
172     GSList *it;
173
174     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
175         ClientCallback *d = it->data;
176         if (d->func == func && d->data == data) {
177             g_slice_free(ClientCallback, d);
178             client_destroy_notifies =
179                 g_slist_delete_link(client_destroy_notifies, it);
180             break;
181         }
182     }
183 }
184
185 void client_set_list(void)
186 {
187     Window *windows, *win_it;
188     GList *it;
189     guint size = g_list_length(client_list);
190
191     /* create an array of the window ids */
192     if (size > 0) {
193         windows = g_new(Window, size);
194         win_it = windows;
195         for (it = client_list; it; it = g_list_next(it), ++win_it)
196             *win_it = ((ObClient*)it->data)->window;
197     } else
198         windows = NULL;
199
200     OBT_PROP_SETA32(obt_root(ob_screen), NET_CLIENT_LIST, WINDOW,
201                     (gulong*)windows, size);
202
203     if (windows)
204         g_free(windows);
205
206     stacking_set_list();
207 }
208
209 void client_manage(Window window, ObPrompt *prompt)
210 {
211     ObClient *self;
212     XSetWindowAttributes attrib_set;
213     gboolean try_activate = FALSE;
214     gboolean do_activate;
215     ObAppSettings *settings;
216     gboolean transient = FALSE;
217     Rect place;
218     Time launch_time;
219     guint32 user_time;
220     gboolean obplaced;
221     gulong ignore_start = FALSE;
222
223     ob_debug("Managing window: 0x%lx", window);
224
225     /* choose the events we want to receive on the CLIENT window
226        (ObPrompt windows can request events too) */
227     attrib_set.event_mask = CLIENT_EVENTMASK |
228         (prompt ? prompt->event_mask : 0);
229     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
230     XChangeWindowAttributes(obt_display, window,
231                             CWEventMask|CWDontPropagate, &attrib_set);
232
233     /* create the ObClient struct, and populate it from the hints on the
234        window */
235     self = g_slice_new0(ObClient);
236     self->obwin.type = OB_WINDOW_CLASS_CLIENT;
237     self->window = window;
238     self->prompt = prompt;
239     self->managed = TRUE;
240
241     /* non-zero defaults */
242     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
243     self->gravity = NorthWestGravity;
244     self->desktop = screen_num_desktops; /* always an invalid value */
245
246     /* get all the stuff off the window */
247     client_get_all(self, TRUE);
248
249     ob_debug("Window type: %d", self->type);
250     ob_debug("Window group: 0x%x", self->group?self->group->leader:0);
251     ob_debug("Window name: %s class: %s role: %s title: %s",
252              self->name, self->class, self->role, self->title);
253     ob_debug("Window group name: %s group class: %s",
254              self->group_name, self->group_class);
255
256     /* per-app settings override stuff from client_get_all, and return the
257        settings for other uses too. the returned settings is a shallow copy,
258        that needs to be freed with g_free(). */
259     settings = client_get_settings_state(self);
260
261     /* the session should get the last say though */
262     client_restore_session_state(self);
263
264     /* the per-app settings/session may have changed the decorations for
265        the window, so we setup decorations for that here.  this is a special
266        case because we want to place the window according to these decoration
267        changes.
268        we do this before setting up the frame so that it will reflect the
269        decorations of the window as it will be placed on screen.
270     */
271     client_setup_decor_undecorated(self);
272
273     /* specify that if we exit, the window should not be destroyed and
274        should be reparented back to root automatically, unless we are managing
275        an internal ObPrompt window  */
276     if (!self->prompt)
277         XChangeSaveSet(obt_display, window, SetModeInsert);
278
279     /* create the decoration frame for the client window */
280     self->frame = frame_new(self);
281
282     frame_grab_client(self->frame);
283
284     /* we've grabbed everything and set everything that we need to at mapping
285        time now */
286     grab_server(FALSE);
287
288     /* this needs to occur once we have a frame, since it sets a property on
289        the frame */
290     client_update_opacity(self);
291
292     /* don't put helper/modal windows on a different desktop if they are
293        related to the focused window.  */
294     if (!screen_compare_desktops(self->desktop, screen_desktop) &&
295         focus_client && client_search_transient(focus_client, self)  &&
296         (client_helper(self) || self->modal))
297     {
298         self->desktop = screen_desktop;
299     }
300
301     /* tell startup notification that this app started */
302     launch_time = sn_app_started(self->startup_id, self->class, self->name);
303
304     if (!OBT_PROP_GET32(self->window, NET_WM_USER_TIME, CARDINAL, &user_time))
305         user_time = event_time();
306
307     /* do this after we have a frame.. it uses the frame to help determine the
308        WM_STATE to apply. */
309     client_change_state(self);
310
311     /* add ourselves to the focus order */
312     focus_order_add_new(self);
313
314     /* do this to add ourselves to the stacking list in a non-intrusive way */
315     client_calc_layer(self);
316
317     /* focus the new window? */
318     if (ob_state() != OB_STATE_STARTING &&
319         (!self->session || self->session->focused) &&
320         /* this means focus=true for window is same as config_focus_new=true */
321         ((config_focus_new || settings->focus == 1) ||
322          client_search_focus_tree_full(self)) &&
323         /* NET_WM_USER_TIME 0 when mapping means don't focus */
324         (user_time != 0) &&
325         /* this checks for focus=false for the window */
326         settings->focus != 0 &&
327         focus_valid_target(self, self->desktop,
328                            FALSE, FALSE, TRUE, TRUE, FALSE, FALSE,
329                            settings->focus == 1))
330     {
331         try_activate = TRUE;
332     }
333
334     /* remove the client's border */
335     XSetWindowBorderWidth(obt_display, self->window, 0);
336
337     /* adjust the frame to the client's size before showing or placing
338        the window */
339     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
340     frame_adjust_client_area(self->frame);
341
342     /* where the frame was placed is where the window was originally */
343     place = self->area;
344
345     ob_debug("Going to try activate new window? %s",
346              try_activate ? "yes" : "no");
347     if (try_activate)
348         do_activate = client_can_steal_focus(
349             self, settings->focus == 1,
350             (!!launch_time || settings->focus == 1),
351             event_time(), launch_time);
352     else
353         do_activate = FALSE;
354
355     /* figure out placement for the window if the window is new */
356     if (ob_state() == OB_STATE_RUNNING) {
357         ob_debug("Positioned: %s @ %d %d",
358                  (!self->positioned ? "no" :
359                   (self->positioned == PPosition ? "program specified" :
360                    (self->positioned == USPosition ? "user specified" :
361                     (self->positioned == (PPosition | USPosition) ?
362                      "program + user specified" :
363                      "BADNESS !?")))), place.x, place.y);
364
365         ob_debug("Sized: %s @ %d %d",
366                  (!self->sized ? "no" :
367                   (self->sized == PSize ? "program specified" :
368                    (self->sized == USSize ? "user specified" :
369                     (self->sized == (PSize | USSize) ?
370                      "program + user specified" :
371                      "BADNESS !?")))), place.width, place.height);
372
373         obplaced = place_client(self, do_activate, &place, settings);
374
375         /* watch for buggy apps that ask to be placed at (0,0) when there is
376            a strut there */
377         if (!obplaced && place.x == 0 && place.y == 0 &&
378             /* non-normal windows are allowed */
379             client_normal(self) &&
380             /* oldschool fullscreen windows are allowed */
381             !client_is_oldfullscreen(self, &place))
382         {
383             Rect *r;
384
385             r = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS, NULL);
386             if (r->x || r->y) {
387                 place.x = r->x;
388                 place.y = r->y;
389                 ob_debug("Moving buggy app from (0,0) to (%d,%d)", r->x, r->y);
390             }
391             g_slice_free(Rect, r);
392         }
393
394         /* make sure the window is visible. */
395         client_find_onscreen(self, &place.x, &place.y,
396                              place.width, place.height,
397                              /* non-normal clients has less rules, and
398                                 windows that are being restored from a
399                                 session do also. we can assume you want
400                                 it back where you saved it. Clients saying
401                                 they placed themselves are subjected to
402                                 harder rules, ones that are placed by
403                                 place.c or by the user are allowed partially
404                                 off-screen and on xinerama divides (ie,
405                                 it is up to the placement routines to avoid
406                                 the xinerama divides)
407
408                                 children and splash screens are forced on
409                                 screen, but i don't remember why i decided to
410                                 do that.
411                              */
412                              ob_state() == OB_STATE_RUNNING &&
413                              (self->type == OB_CLIENT_TYPE_DIALOG ||
414                               self->type == OB_CLIENT_TYPE_SPLASH ||
415                               (!((self->positioned & USPosition) ||
416                                  settings->pos_given) &&
417                                client_normal(self) &&
418                                !self->session &&
419                                /* don't move oldschool fullscreen windows to
420                                   fit inside the struts (fixes Acroread, which
421                                   makes its fullscreen window fit the screen
422                                   but it is not USSize'd or USPosition'd) */
423                                !client_is_oldfullscreen(self, &place))));
424     }
425
426     /* if the window isn't user-sized, then make it fit inside
427        the visible screen area on its monitor. Use basically the same rules
428        for forcing the window on screen in the client_find_onscreen call.
429
430        do this after place_client, it chooses the monitor!
431
432        splash screens get "transient" set to TRUE by
433        the place_client call
434     */
435     if (ob_state() == OB_STATE_RUNNING &&
436         (transient ||
437          (!(self->sized & USSize || self->positioned & USPosition) &&
438           client_normal(self) &&
439           !self->session &&
440           /* don't shrink oldschool fullscreen windows to fit inside the
441              struts (fixes Acroread, which makes its fullscreen window
442              fit the screen but it is not USSize'd or USPosition'd) */
443           !client_is_oldfullscreen(self, &place))))
444     {
445         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
446
447         /* get the size of the frame */
448         place.width += self->frame->size.left + self->frame->size.right;
449         place.height += self->frame->size.top + self->frame->size.bottom;
450
451         /* fit the window inside the area */
452         place.width = MIN(place.width, a->width);
453         place.height = MIN(place.height, a->height);
454
455         ob_debug("setting window size to %dx%d", place.width, place.height);
456
457         /* get the size of the client back */
458         place.width -= self->frame->size.left + self->frame->size.right;
459         place.height -= self->frame->size.top + self->frame->size.bottom;
460
461         g_slice_free(Rect, a);
462     }
463
464     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
465              "some restrictions may apply",
466              self->window, place.x, place.y, place.width, place.height);
467     if (self->session)
468         ob_debug("  but session requested %d, %d  %d x %d instead, "
469                  "overriding",
470                  self->session->x, self->session->y,
471                  self->session->w, self->session->h);
472
473     /* do this after the window is placed, so the premax/prefullscreen numbers
474        won't be all wacko!!
475
476        this also places the window
477     */
478     client_apply_startup_state(self, place.x, place.y,
479                                place.width, place.height);
480
481     /* set the initial value of the desktop hint, when one wasn't requested
482        on map. */
483     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
484
485     /* grab mouse bindings before showing the window */
486     mouse_grab_for_client(self, TRUE);
487
488     if (!config_focus_under_mouse)
489         ignore_start = event_start_ignore_all_enters();
490
491     /* this has to happen before we try focus the window, but we want it to
492        happen after the client's stacking has been determined or it looks bad
493     */
494     client_show(self);
495
496     /* activate/hilight/raise the window */
497     if (try_activate) {
498         if (do_activate) {
499             gboolean stacked = client_restore_session_stacking(self);
500             client_present(self, FALSE, !stacked, TRUE);
501         }
502         else {
503             /* if the client isn't stealing focus, then hilite it so the user
504                knows it is there, but don't do this if we're restoring from a
505                session */
506             if (!client_restore_session_stacking(self))
507                 client_hilite(self, TRUE);
508         }
509     }
510     else {
511         /* This may look rather odd. Well it's because new windows are added
512            to the stacking order non-intrusively. If we're not going to focus
513            the new window or hilite it, then we raise it to the top. This will
514            take affect for things that don't get focused like splash screens.
515            Also if you don't have focus_new enabled, then it's going to get
516            raised to the top. Legacy begets legacy I guess?
517         */
518         if (!client_restore_session_stacking(self))
519             stacking_raise(CLIENT_AS_WINDOW(self));
520     }
521
522     if (!config_focus_under_mouse)
523         event_end_ignore_all_enters(ignore_start);
524
525     /* add to client list/map */
526     client_list = g_list_append(client_list, self);
527     window_add(&self->window, CLIENT_AS_WINDOW(self));
528
529     /* this has to happen after we're in the client_list */
530     if (STRUT_EXISTS(self->strut))
531         screen_update_areas();
532
533     /* update the list hints */
534     client_set_list();
535
536     /* free the ObAppSettings shallow copy */
537     g_slice_free(ObAppSettings, settings);
538
539     ob_debug("Managed window 0x%lx plate 0x%x (%s)",
540              window, self->frame->window, self->class);
541 }
542
543 ObClient *client_fake_manage(Window window)
544 {
545     ObClient *self;
546     ObAppSettings *settings;
547
548     ob_debug("Pretend-managing window: %lx", window);
549
550     /* do this minimal stuff to figure out the client's decorations */
551
552     self = g_slice_new0(ObClient);
553     self->window = window;
554
555     client_get_all(self, FALSE);
556     /* per-app settings override stuff, and return the settings for other
557        uses too. this returns a shallow copy that needs to be freed */
558     settings = client_get_settings_state(self);
559
560     /* create the decoration frame for the client window and adjust its size */
561     self->frame = frame_new(self);
562
563     client_apply_startup_state(self, self->area.x, self->area.y,
564                                self->area.width, self->area.height);
565
566     ob_debug("gave extents left %d right %d top %d bottom %d",
567              self->frame->size.left, self->frame->size.right,
568              self->frame->size.top, self->frame->size.bottom);
569
570     /* free the ObAppSettings shallow copy */
571     g_slice_free(ObAppSettings, settings);
572
573     return self;
574 }
575
576 void client_unmanage_all(void)
577 {
578     while (client_list)
579         client_unmanage(client_list->data);
580 }
581
582 void client_unmanage(ObClient *self)
583 {
584     GSList *it;
585     gulong ignore_start;
586
587     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)",
588              self->window, self->frame->window,
589              self->class, self->title ? self->title : "");
590
591     g_assert(self != NULL);
592
593     /* we dont want events no more. do this before hiding the frame so we
594        don't generate more events */
595     XSelectInput(obt_display, self->window, NoEventMask);
596
597     /* ignore enter events from the unmap so it doesnt mess with the focus */
598     if (!config_focus_under_mouse)
599         ignore_start = event_start_ignore_all_enters();
600
601     frame_hide(self->frame);
602     /* flush to send the hide to the server quickly */
603     XFlush(obt_display);
604
605     if (!config_focus_under_mouse)
606         event_end_ignore_all_enters(ignore_start);
607
608     mouse_grab_for_client(self, FALSE);
609
610     self->managed = FALSE;
611
612     /* remove the window from our save set, unless we are managing an internal
613        ObPrompt window */
614     if (!self->prompt)
615         XChangeSaveSet(obt_display, self->window, SetModeDelete);
616
617     /* update the focus lists */
618     focus_order_remove(self);
619     if (client_focused(self)) {
620         /* don't leave an invalid focus_client */
621         focus_client = NULL;
622     }
623
624     /* if we're prompting to kill the client, close that */
625     prompt_unref(self->kill_prompt);
626     self->kill_prompt = NULL;
627
628     client_list = g_list_remove(client_list, self);
629     stacking_remove(self);
630     window_remove(self->window);
631
632     /* once the client is out of the list, update the struts to remove its
633        influence */
634     if (STRUT_EXISTS(self->strut))
635         screen_update_areas();
636
637     client_call_notifies(self, client_destroy_notifies);
638
639     /* tell our parent(s) that we're gone */
640     for (it = self->parents; it; it = g_slist_next(it))
641         ((ObClient*)it->data)->transients =
642             g_slist_remove(((ObClient*)it->data)->transients,self);
643
644     /* tell our transients that we're gone */
645     for (it = self->transients; it; it = g_slist_next(it)) {
646         ((ObClient*)it->data)->parents =
647             g_slist_remove(((ObClient*)it->data)->parents, self);
648         /* we could be keeping our children in a higher layer */
649         client_calc_layer(it->data);
650     }
651
652     /* remove from its group */
653     if (self->group) {
654         group_remove(self->group, self);
655         self->group = NULL;
656     }
657
658     /* restore the window's original geometry so it is not lost */
659     {
660         Rect a;
661
662         a = self->area;
663
664         if (self->fullscreen)
665             a = self->pre_fullscreen_area;
666         else if (self->max_horz || self->max_vert) {
667             if (self->max_horz) {
668                 a.x = self->pre_max_area.x;
669                 a.width = self->pre_max_area.width;
670             }
671             if (self->max_vert) {
672                 a.y = self->pre_max_area.y;
673                 a.height = self->pre_max_area.height;
674             }
675         }
676
677         self->fullscreen = self->max_horz = self->max_vert = FALSE;
678         /* let it be moved and resized no matter what */
679         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
680         self->decorations = 0; /* unmanaged windows have no decor */
681
682         /* give the client its border back */
683         XSetWindowBorderWidth(obt_display, self->window, self->border_width);
684
685         client_move_resize(self, a.x, a.y, a.width, a.height);
686     }
687
688     /* reparent the window out of the frame, and free the frame */
689     frame_release_client(self->frame);
690     frame_free(self->frame);
691     self->frame = NULL;
692
693     if (ob_state() != OB_STATE_EXITING) {
694         /* these values should not be persisted across a window
695            unmapping/mapping */
696         OBT_PROP_ERASE(self->window, NET_WM_DESKTOP);
697         OBT_PROP_ERASE(self->window, NET_WM_STATE);
698         OBT_PROP_ERASE(self->window, WM_STATE);
699     } else {
700         /* if we're left in an unmapped state, the client wont be mapped.
701            this is bad, since we will no longer be managing the window on
702            restart */
703         XMapWindow(obt_display, self->window);
704     }
705
706     /* these should not be left on the window ever.  other window managers
707        don't necessarily use them and it will mess them up (like compiz) */
708     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_NAME);
709     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_ICON_NAME);
710
711     /* update the list hints */
712     client_set_list();
713
714     ob_debug("Unmanaged window 0x%lx", self->window);
715
716     /* free all data allocated in the client struct */
717     RrImageUnref(self->icon_set);
718     g_slist_free(self->transients);
719     g_free(self->startup_id);
720     g_free(self->wm_command);
721     g_free(self->title);
722     g_free(self->icon_title);
723     g_free(self->original_title);
724     g_free(self->name);
725     g_free(self->class);
726     g_free(self->role);
727     g_free(self->group_name);
728     g_free(self->group_class);
729     g_free(self->client_machine);
730     g_free(self->sm_client_id);
731     g_slice_free(ObClient, self);
732 }
733
734 void client_fake_unmanage(ObClient *self)
735 {
736     /* this is all that got allocated to get the decorations */
737
738     frame_free(self->frame);
739     g_slice_free(ObClient, self);
740 }
741
742 static gboolean client_can_steal_focus(ObClient *self,
743                                        gboolean allow_other_desktop,
744                                        gboolean request_from_user,
745                                        Time steal_time,
746                                        Time launch_time)
747 {
748     gboolean steal;
749     gboolean relative_focused;
750
751     steal = TRUE;
752
753     relative_focused = (focus_client != NULL &&
754                         (client_search_focus_tree_full(self) != NULL ||
755                          client_search_focus_group_full(self) != NULL));
756
757     /* This is focus stealing prevention */
758     ob_debug("Want to focus window 0x%x at time %u "
759              "launched at %u (last user interaction time %u) "
760              "request from %s, allow other desktop: %s, "
761              "desktop switch time %u",
762              self->window, steal_time, launch_time,
763              event_last_user_time,
764              (request_from_user ? "user" : "other"),
765              (allow_other_desktop ? "yes" : "no"),
766              screen_desktop_user_time);
767
768     /*
769       if no launch time is provided for an application, make one up.
770
771       if the window is related to other existing windows
772         and one of those windows was the last used
773           then we will give it a launch time equal to the last user time,
774           which will end up giving the window focus probably.
775         else
776           the window is related to other windows, but you are not working in
777           them?
778           seems suspicious, so we will give it a launch time of
779           NOW - STEAL_INTERVAL,
780           so it will be given focus only if we didn't use something else
781           during the steal interval.
782       else
783         the window is all on its own, so we can't judge it.  give it a launch
784         time equal to the last user time, so it will probably take focus.
785
786       this way running things from a terminal will give them focus, but popups
787       without a launch time shouldn't steal focus so easily.
788     */
789
790     if (!launch_time) {
791         if (client_has_relative(self)) {
792             if (event_last_user_time && client_search_focus_group_full(self)) {
793                 /* our relative is focused */
794                 launch_time = event_last_user_time;
795                 ob_debug("Unknown launch time, using %u - window in active "
796                          "group", launch_time);
797             }
798             else if (!request_from_user) {
799                 /* has relatives which are not being used. suspicious */
800                 launch_time = event_time() - OB_EVENT_USER_TIME_DELAY;
801                 ob_debug("Unknown launch time, using %u - window in inactive "
802                          "group", launch_time);
803             }
804             else {
805                 /* has relatives which are not being used, but the user seems
806                    to want to go there! */
807             launch_time = event_last_user_time;
808             ob_debug("Unknown launch time, using %u - user request",
809                      launch_time);
810             }
811         }
812         else {
813             /* the window is on its own, probably the user knows it is going
814                to appear */
815             launch_time = event_last_user_time;
816             ob_debug("Unknown launch time, using %u - independent window",
817                      launch_time);
818         }
819     }
820
821     /* if it's on another desktop
822        and if allow_other_desktop is true, we generally let it steal focus.
823        but if it didn't come from the user, don't let it steal unless it was
824        launched before the user switched desktops.
825        focus, unless it was launched after we changed desktops and the request
826        came from the user
827      */
828     if (!screen_compare_desktops(screen_desktop, self->desktop)) {
829         /* must be allowed */
830         if (!allow_other_desktop) {
831             steal = FALSE;
832             ob_debug("Not focusing the window because its on another desktop");
833         }
834         /* if we don't know when the desktop changed, but request is from an
835            application, don't let it change desktop on you */
836         else if (!request_from_user) {
837             steal = FALSE;
838             ob_debug("Not focusing the window because non-user request");
839         }
840     }
841     /* If something is focused... */
842     else if (focus_client) {
843         /* If the user is working in another window right now, then don't
844            steal focus */
845         if (!relative_focused &&
846             event_last_user_time &&
847             /* last user time must be strictly > launch_time to block focus */
848             (event_time_after(event_last_user_time, launch_time) &&
849              event_last_user_time != launch_time) &&
850             event_time_after(event_last_user_time,
851                              steal_time - OB_EVENT_USER_TIME_DELAY))
852         {
853             steal = FALSE;
854             ob_debug("Not focusing the window because the user is "
855                      "working in another window that is not its relative");
856         }
857         /* Don't move focus if it's not going to go to this window
858            anyway */
859         else if (client_focus_target(self) != self) {
860             steal = FALSE;
861             ob_debug("Not focusing the window because another window "
862                      "would get the focus anyway");
863         }
864         /* For requests that don't come from the user */
865         else if (!request_from_user) {
866             /* If the new window is a transient (and its relatives aren't
867                focused) */
868             if (client_has_parent(self) && !relative_focused) {
869                 steal = FALSE;
870                 ob_debug("Not focusing the window because it is a "
871                          "transient, and its relatives aren't focused");
872             }
873             /* Don't steal focus from globally active clients.
874                I stole this idea from KWin. It seems nice.
875             */
876             else if (!(focus_client->can_focus || focus_client->focus_notify))
877             {
878                 steal = FALSE;
879                 ob_debug("Not focusing the window because a globally "
880                          "active client has focus");
881             }
882             /* Don't move focus if the window is not visible on the current
883                desktop and none of its relatives are focused */
884             else if (!allow_other_desktop &&
885                      !screen_compare_desktops(self->desktop, screen_desktop) &&
886                      !relative_focused)
887             {
888                 steal = FALSE;
889                 ob_debug("Not focusing the window because it is on "
890                          "another desktop and no relatives are focused ");
891             }
892         }
893     }
894
895     if (!steal)
896         ob_debug("Focus stealing prevention activated for %s at "
897                  "time %u (last user interaction time %u)",
898                  self->title, steal_time, event_last_user_time);
899     else
900         ob_debug("Allowing focus stealing for %s at time %u (last user "
901                  "interaction time %u)",
902                  self->title, steal_time, event_last_user_time);
903     return steal;
904 }
905
906 /*! Returns a new structure containing the per-app settings for this client.
907   The returned structure needs to be freed with g_free. */
908 static ObAppSettings *client_get_settings_state(ObClient *self)
909 {
910     ObAppSettings *settings;
911     GSList *it;
912
913     settings = config_create_app_settings();
914
915     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
916         ObAppSettings *app = it->data;
917         gboolean match = TRUE;
918
919         g_assert(app->name != NULL || app->class != NULL ||
920                  app->role != NULL || app->title != NULL ||
921                  app->group_name != NULL || app->group_class != NULL ||
922                  (signed)app->type >= 0);
923
924         if (app->name &&
925             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
926             match = FALSE;
927         else if (app->group_name &&
928             !g_pattern_match(app->group_name,
929                              strlen(self->group_name), self->group_name, NULL))
930             match = FALSE;
931         else if (app->class &&
932                  !g_pattern_match(app->class,
933                                   strlen(self->class), self->class, NULL))
934             match = FALSE;
935         else if (app->group_class &&
936                  !g_pattern_match(app->group_class,
937                                   strlen(self->group_class), self->group_class,
938                                   NULL))
939             match = FALSE;
940         else if (app->role &&
941                  !g_pattern_match(app->role,
942                                   strlen(self->role), self->role, NULL))
943             match = FALSE;
944         else if (app->title &&
945                  !g_pattern_match(app->title,
946                                   strlen(self->title), self->title, NULL))
947             match = FALSE;
948         else if ((signed)app->type >= 0 && app->type != self->type) {
949             match = FALSE;
950         }
951
952         if (match) {
953             ob_debug("Window matching: %s", app->name);
954
955             /* copy the settings to our struct, overriding the existing
956                settings if they are not defaults */
957             config_app_settings_copy_non_defaults(app, settings);
958         }
959     }
960
961     if (settings->shade != -1)
962         self->shaded = !!settings->shade;
963     if (settings->decor != -1)
964         self->undecorated = !settings->decor;
965     if (settings->iconic != -1)
966         self->iconic = !!settings->iconic;
967     if (settings->skip_pager != -1)
968         self->skip_pager = !!settings->skip_pager;
969     if (settings->skip_taskbar != -1)
970         self->skip_taskbar = !!settings->skip_taskbar;
971
972     if (settings->max_vert != -1)
973         self->max_vert = !!settings->max_vert;
974     if (settings->max_horz != -1)
975         self->max_horz = !!settings->max_horz;
976
977     if (settings->fullscreen != -1)
978         self->fullscreen = !!settings->fullscreen;
979
980     if (settings->desktop) {
981         if (settings->desktop == DESKTOP_ALL)
982             self->desktop = settings->desktop;
983         else if (settings->desktop > 0 &&
984                  settings->desktop <= screen_num_desktops)
985             self->desktop = settings->desktop - 1;
986     }
987
988     if (settings->layer == -1) {
989         self->below = TRUE;
990         self->above = FALSE;
991     }
992     else if (settings->layer == 0) {
993         self->below = FALSE;
994         self->above = FALSE;
995     }
996     else if (settings->layer == 1) {
997         self->below = FALSE;
998         self->above = TRUE;
999     }
1000     return settings;
1001 }
1002
1003 static void client_restore_session_state(ObClient *self)
1004 {
1005     GList *it;
1006
1007     ob_debug_type(OB_DEBUG_SM,
1008                   "Restore session for client %s", self->title);
1009
1010     if (!(it = session_state_find(self))) {
1011         ob_debug_type(OB_DEBUG_SM,
1012                       "Session data not found for client %s", self->title);
1013         return;
1014     }
1015
1016     self->session = it->data;
1017
1018     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s",
1019                   self->title);
1020
1021     RECT_SET_POINT(self->area, self->session->x, self->session->y);
1022     self->positioned = USPosition;
1023     self->sized = USSize;
1024     if (self->session->w > 0)
1025         self->area.width = self->session->w;
1026     if (self->session->h > 0)
1027         self->area.height = self->session->h;
1028     XResizeWindow(obt_display, self->window,
1029                   self->area.width, self->area.height);
1030
1031     self->desktop = (self->session->desktop == DESKTOP_ALL ?
1032                      self->session->desktop :
1033                      MIN(screen_num_desktops - 1, self->session->desktop));
1034     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
1035
1036     self->shaded = self->session->shaded;
1037     self->iconic = self->session->iconic;
1038     self->skip_pager = self->session->skip_pager;
1039     self->skip_taskbar = self->session->skip_taskbar;
1040     self->fullscreen = self->session->fullscreen;
1041     self->above = self->session->above;
1042     self->below = self->session->below;
1043     self->max_horz = self->session->max_horz;
1044     self->max_vert = self->session->max_vert;
1045     self->undecorated = self->session->undecorated;
1046 }
1047
1048 static gboolean client_restore_session_stacking(ObClient *self)
1049 {
1050     GList *it, *mypos;
1051
1052     if (!self->session) return FALSE;
1053
1054     mypos = g_list_find(session_saved_state, self->session);
1055     if (!mypos) return FALSE;
1056
1057     /* start above me and look for the first client */
1058     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
1059         GList *cit;
1060
1061         for (cit = client_list; cit; cit = g_list_next(cit)) {
1062             ObClient *c = cit->data;
1063             /* found a client that was in the session, so go below it */
1064             if (c->session == it->data) {
1065                 stacking_below(CLIENT_AS_WINDOW(self),
1066                                CLIENT_AS_WINDOW(cit->data));
1067                 return TRUE;
1068             }
1069         }
1070     }
1071     return FALSE;
1072 }
1073
1074 void client_move_onscreen(ObClient *self, gboolean rude)
1075 {
1076     gint x = self->area.x;
1077     gint y = self->area.y;
1078     if (client_find_onscreen(self, &x, &y,
1079                              self->area.width,
1080                              self->area.height, rude)) {
1081         client_move(self, x, y);
1082     }
1083 }
1084
1085 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
1086                               gboolean rude)
1087 {
1088     gint ox = *x, oy = *y;
1089     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
1090     gint fw, fh;
1091     Rect desired;
1092     guint i;
1093     gboolean found_mon;
1094
1095     RECT_SET(desired, *x, *y, w, h);
1096     frame_rect_to_frame(self->frame, &desired);
1097
1098     /* get where the frame would be */
1099     frame_client_gravity(self->frame, x, y);
1100
1101     /* get the requested size of the window with decorations */
1102     fw = self->frame->size.left + w + self->frame->size.right;
1103     fh = self->frame->size.top + h + self->frame->size.bottom;
1104
1105     /* If rudeness wasn't requested, then still be rude in a given direction
1106        if the client is not moving, only resizing in that direction */
1107     if (!rude) {
1108         Point oldtl, oldtr, oldbl, oldbr;
1109         Point newtl, newtr, newbl, newbr;
1110         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1111
1112         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
1113         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
1114                   self->frame->area.y + self->frame->area.height - 1);
1115         POINT_SET(oldtr, oldbr.x, oldtl.y);
1116         POINT_SET(oldbl, oldtl.x, oldbr.y);
1117
1118         POINT_SET(newtl, *x, *y);
1119         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1120         POINT_SET(newtr, newbr.x, newtl.y);
1121         POINT_SET(newbl, newtl.x, newbr.y);
1122
1123         /* is it moving or just resizing from some corner? */
1124         stationary_l = oldtl.x == newtl.x;
1125         stationary_r = oldtr.x == newtr.x;
1126         stationary_t = oldtl.y == newtl.y;
1127         stationary_b = oldbl.y == newbl.y;
1128
1129         /* if left edge is growing and didnt move right edge */
1130         if (stationary_r && newtl.x < oldtl.x)
1131             rudel = TRUE;
1132         /* if right edge is growing and didnt move left edge */
1133         if (stationary_l && newtr.x > oldtr.x)
1134             ruder = TRUE;
1135         /* if top edge is growing and didnt move bottom edge */
1136         if (stationary_b && newtl.y < oldtl.y)
1137             rudet = TRUE;
1138         /* if bottom edge is growing and didnt move top edge */
1139         if (stationary_t && newbl.y > oldbl.y)
1140             rudeb = TRUE;
1141     }
1142
1143     /* we iterate through every monitor that the window is at least partially
1144        on, to make sure it is obeying the rules on them all
1145
1146        if the window does not appear on any monitors, then use the first one
1147     */
1148     found_mon = FALSE;
1149     for (i = 0; i < screen_num_monitors; ++i) {
1150         Rect *a;
1151
1152         if (!screen_physical_area_monitor_contains(i, &desired)) {
1153             if (i < screen_num_monitors - 1 || found_mon)
1154                 continue;
1155
1156             /* the window is not inside any monitor! so just use the first
1157                one */
1158             a = screen_area(self->desktop, 0, NULL);
1159         } else {
1160             found_mon = TRUE;
1161             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1162         }
1163
1164         /* This makes sure windows aren't entirely outside of the screen so you
1165            can't see them at all.
1166            It makes sure 10% of the window is on the screen at least. And don't
1167            let it move itself off the top of the screen, which would hide the
1168            titlebar on you. (The user can still do this if they want too, it's
1169            only limiting the application.
1170         */
1171         if (client_normal(self)) {
1172             if (!self->strut.right && *x + fw/100 >= a->x + a->width - 1)
1173                 *x = a->x + a->width - fw/100;
1174             if (!self->strut.bottom && *y + fh/100 >= a->y + a->height - 1)
1175                 *y = a->y + a->height - fh/100;
1176             if (!self->strut.left && *x + fw*99/100 - 1 < a->x)
1177                 *x = a->x - fw*99/100;
1178             if (!self->strut.top && *y + fh*99/100 - 1 < a->y)
1179                 *y = a->y - fh*99/100;
1180         }
1181
1182         /* This here doesn't let windows even a pixel outside the
1183            struts/screen. When called from client_manage, programs placing
1184            themselves are forced completely onscreen, while things like
1185            xterm -geometry resolution-width/2 will work fine. Trying to
1186            place it completely offscreen will be handled in the above code.
1187            Sorry for this confused comment, i am tired. */
1188         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1189         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1190             *x = a->x + MAX(0, a->width - fw);
1191
1192         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1193         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1194             *y = a->y + MAX(0, a->height - fh);
1195
1196         g_slice_free(Rect, a);
1197     }
1198
1199     /* get where the client should be */
1200     frame_frame_gravity(self->frame, x, y);
1201
1202     return ox != *x || oy != *y;
1203 }
1204
1205 static void client_get_all(ObClient *self, gboolean real)
1206 {
1207     /* this is needed for the frame to set itself up */
1208     client_get_area(self);
1209
1210     /* these things can change the decor and functions of the window */
1211
1212     client_get_mwm_hints(self);
1213     /* this can change the mwmhints for special cases */
1214     client_get_type_and_transientness(self);
1215     client_update_normal_hints(self);
1216
1217     /* set up the maximum possible decor/functions */
1218     client_setup_default_decor_and_functions(self);
1219
1220     client_get_state(self);
1221
1222     /* get the session related properties, these can change decorations
1223        from per-app settings */
1224     client_get_session_ids(self);
1225
1226     /* get this early so we have it for debugging, also this can be used
1227      by app rule matching */
1228     client_update_title(self);
1229
1230     /* now we got everything that can affect the decorations or app rule
1231        matching */
1232     if (!real)
1233         return;
1234
1235     /* save the values of the variables used for app rule matching */
1236     client_save_app_rule_values(self);
1237
1238     client_update_protocols(self);
1239
1240     client_update_wmhints(self);
1241     /* this may have already been called from client_update_wmhints */
1242     if (!self->parents && !self->transient_for_group)
1243         client_update_transient_for(self);
1244
1245     client_get_startup_id(self);
1246     client_get_desktop(self);/* uses transient data/group/startup id if a
1247                                 desktop is not specified */
1248     client_get_shaped(self);
1249
1250     {
1251         /* a couple type-based defaults for new windows */
1252
1253         /* this makes sure that these windows appear on all desktops */
1254         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1255             self->desktop = DESKTOP_ALL;
1256     }
1257
1258 #ifdef SYNC
1259     client_update_sync_request_counter(self);
1260 #endif
1261
1262     client_get_colormap(self);
1263     client_update_strut(self);
1264     client_update_icons(self);
1265     client_update_icon_geometry(self);
1266 }
1267
1268 static void client_get_startup_id(ObClient *self)
1269 {
1270     if (!(OBT_PROP_GETS_UTF8(self->window, NET_STARTUP_ID, &self->startup_id)))
1271         if (self->group)
1272             OBT_PROP_GETS_UTF8(self->group->leader, NET_STARTUP_ID,
1273                                &self->startup_id);
1274 }
1275
1276 static void client_get_area(ObClient *self)
1277 {
1278     XWindowAttributes wattrib;
1279     Status ret;
1280
1281     ret = XGetWindowAttributes(obt_display, self->window, &wattrib);
1282     g_assert(ret != BadWindow);
1283
1284     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1285     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1286     self->border_width = wattrib.border_width;
1287
1288     ob_debug("client area: %d %d  %d %d  bw %d", wattrib.x, wattrib.y,
1289              wattrib.width, wattrib.height, wattrib.border_width);
1290 }
1291
1292 static void client_get_desktop(ObClient *self)
1293 {
1294     guint32 d = screen_num_desktops; /* an always-invalid value */
1295
1296     if (OBT_PROP_GET32(self->window, NET_WM_DESKTOP, CARDINAL, &d)) {
1297         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1298             self->desktop = screen_num_desktops - 1;
1299         else
1300             self->desktop = d;
1301         ob_debug("client requested desktop 0x%x", self->desktop);
1302     } else {
1303         GSList *it;
1304         gboolean first = TRUE;
1305         guint all = screen_num_desktops; /* not a valid value */
1306
1307         /* if they are all on one desktop, then open it on the
1308            same desktop */
1309         for (it = self->parents; it; it = g_slist_next(it)) {
1310             ObClient *c = it->data;
1311
1312             if (c->desktop == DESKTOP_ALL) continue;
1313
1314             if (first) {
1315                 all = c->desktop;
1316                 first = FALSE;
1317             }
1318             else if (all != c->desktop)
1319                 all = screen_num_desktops; /* make it invalid */
1320         }
1321         if (all != screen_num_desktops) {
1322             self->desktop = all;
1323
1324             ob_debug("client desktop set from parents: 0x%x",
1325                      self->desktop);
1326         }
1327         /* try get from the startup-notification protocol */
1328         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1329             if (self->desktop >= screen_num_desktops &&
1330                 self->desktop != DESKTOP_ALL)
1331                 self->desktop = screen_num_desktops - 1;
1332             ob_debug("client desktop set from startup-notification: 0x%x",
1333                      self->desktop);
1334         }
1335         /* defaults to the current desktop */
1336         else {
1337             self->desktop = screen_desktop;
1338             ob_debug("client desktop set to the current desktop: %d",
1339                      self->desktop);
1340         }
1341     }
1342 }
1343
1344 static void client_get_state(ObClient *self)
1345 {
1346     guint32 *state;
1347     guint num;
1348
1349     if (OBT_PROP_GETA32(self->window, NET_WM_STATE, ATOM, &state, &num)) {
1350         gulong i;
1351         for (i = 0; i < num; ++i) {
1352             if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
1353                 self->modal = TRUE;
1354             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
1355                 self->shaded = TRUE;
1356             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
1357                 self->iconic = TRUE;
1358             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
1359                 self->skip_taskbar = TRUE;
1360             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
1361                 self->skip_pager = TRUE;
1362             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
1363                 self->fullscreen = TRUE;
1364             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
1365                 self->max_vert = TRUE;
1366             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
1367                 self->max_horz = TRUE;
1368             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
1369                 self->above = TRUE;
1370             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
1371                 self->below = TRUE;
1372             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
1373                 self->demands_attention = TRUE;
1374             else if (state[i] == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
1375                 self->undecorated = TRUE;
1376             else if (state[i] == OBT_PROP_ATOM(OB_WM_STATE_LOCKED))
1377                 self->locked = TRUE;
1378         }
1379
1380         g_free(state);
1381     }
1382 }
1383
1384 static void client_get_shaped(ObClient *self)
1385 {
1386     self->shaped = FALSE;
1387 #ifdef SHAPE
1388     if (obt_display_extension_shape) {
1389         gint foo;
1390         guint ufoo;
1391         gint s;
1392
1393         XShapeSelectInput(obt_display, self->window, ShapeNotifyMask);
1394
1395         XShapeQueryExtents(obt_display, self->window, &s, &foo,
1396                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1397                            &ufoo);
1398         self->shaped = !!s;
1399     }
1400 #endif
1401 }
1402
1403 void client_update_transient_for(ObClient *self)
1404 {
1405     Window t = None;
1406     ObClient *target = NULL;
1407     gboolean trangroup = FALSE;
1408
1409     if (XGetTransientForHint(obt_display, self->window, &t)) {
1410         if (t != self->window) { /* can't be transient to itself! */
1411             ObWindow *tw = window_find(t);
1412             /* if this happens then we need to check for it */
1413             g_assert(tw != CLIENT_AS_WINDOW(self));
1414             if (tw && WINDOW_IS_CLIENT(tw)) {
1415                 /* watch out for windows with a parent that is something
1416                    different, like a dockapp for example */
1417                 target = WINDOW_AS_CLIENT(tw);
1418             }
1419         }
1420
1421         /* Setting the transient_for to Root is actually illegal, however
1422            applications from time have done this to specify transient for
1423            their group */
1424         if (!target && self->group && t == obt_root(ob_screen))
1425             trangroup = TRUE;
1426     } else if (self->group && self->transient)
1427         trangroup = TRUE;
1428
1429     client_update_transient_tree(self, self->group, self->group,
1430                                  self->transient_for_group, trangroup,
1431                                  client_direct_parent(self), target);
1432     self->transient_for_group = trangroup;
1433
1434 }
1435
1436 static void client_update_transient_tree(ObClient *self,
1437                                          ObGroup *oldgroup, ObGroup *newgroup,
1438                                          gboolean oldgtran, gboolean newgtran,
1439                                          ObClient* oldparent,
1440                                          ObClient *newparent)
1441 {
1442     GSList *it, *next;
1443     ObClient *c;
1444
1445     g_assert(!oldgtran || oldgroup);
1446     g_assert(!newgtran || newgroup);
1447     g_assert((!oldgtran && !oldparent) ||
1448              (oldgtran && !oldparent) ||
1449              (!oldgtran && oldparent));
1450     g_assert((!newgtran && !newparent) ||
1451              (newgtran && !newparent) ||
1452              (!newgtran && newparent));
1453
1454     /* * *
1455       Group transient windows are not allowed to have other group
1456       transient windows as their children.
1457       * * */
1458
1459     /* No change has occured */
1460     if (oldgroup == newgroup &&
1461         oldgtran == newgtran &&
1462         oldparent == newparent) return;
1463
1464     /** Remove the client from the transient tree **/
1465
1466     for (it = self->transients; it; it = next) {
1467         next = g_slist_next(it);
1468         c = it->data;
1469         self->transients = g_slist_delete_link(self->transients, it);
1470         c->parents = g_slist_remove(c->parents, self);
1471     }
1472     for (it = self->parents; it; it = next) {
1473         next = g_slist_next(it);
1474         c = it->data;
1475         self->parents = g_slist_delete_link(self->parents, it);
1476         c->transients = g_slist_remove(c->transients, self);
1477     }
1478
1479     /** Re-add the client to the transient tree **/
1480
1481     /* If we're transient for a group then we need to add ourselves to all our
1482        parents */
1483     if (newgtran) {
1484         for (it = newgroup->members; it; it = g_slist_next(it)) {
1485             c = it->data;
1486             if (c != self &&
1487                 !client_search_top_direct_parent(c)->transient_for_group &&
1488                 client_normal(c))
1489             {
1490                 c->transients = g_slist_prepend(c->transients, self);
1491                 self->parents = g_slist_prepend(self->parents, c);
1492             }
1493         }
1494     }
1495
1496     /* If we are now transient for a single window we need to add ourselves to
1497        its children
1498
1499        WARNING: Cyclical transient-ness is possible if two windows are
1500        transient for eachother.
1501     */
1502     else if (newparent &&
1503              /* don't make ourself its child if it is already our child */
1504              !client_is_direct_child(self, newparent) &&
1505              client_normal(newparent))
1506     {
1507         newparent->transients = g_slist_prepend(newparent->transients, self);
1508         self->parents = g_slist_prepend(self->parents, newparent);
1509     }
1510
1511     /* Add any group transient windows to our children. But if we're transient
1512        for the group, then other group transients are not our children.
1513
1514        WARNING: Cyclical transient-ness is possible. For e.g. if:
1515        A is transient for the group
1516        B is transient for A
1517        C is transient for B
1518        A can't be transient for C or we have a cycle
1519     */
1520     if (!newgtran && newgroup &&
1521         (!newparent ||
1522          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1523         client_normal(self))
1524     {
1525         for (it = newgroup->members; it; it = g_slist_next(it)) {
1526             c = it->data;
1527             if (c != self && c->transient_for_group &&
1528                 /* Don't make it our child if it is already our parent */
1529                 !client_is_direct_child(c, self))
1530             {
1531                 self->transients = g_slist_prepend(self->transients, c);
1532                 c->parents = g_slist_prepend(c->parents, self);
1533             }
1534         }
1535     }
1536
1537     /** If we change our group transient-ness, our children change their
1538         effective group transient-ness, which affects how they relate to other
1539         group windows **/
1540
1541     for (it = self->transients; it; it = g_slist_next(it)) {
1542         c = it->data;
1543         if (!c->transient_for_group)
1544             client_update_transient_tree(c, c->group, c->group,
1545                                          c->transient_for_group,
1546                                          c->transient_for_group,
1547                                          client_direct_parent(c),
1548                                          client_direct_parent(c));
1549     }
1550 }
1551
1552 void client_get_mwm_hints(ObClient *self)
1553 {
1554     guint num;
1555     guint32 *hints;
1556
1557     self->mwmhints.flags = 0; /* default to none */
1558
1559     if (OBT_PROP_GETA32(self->window, MOTIF_WM_HINTS, MOTIF_WM_HINTS,
1560                         &hints, &num)) {
1561         if (num >= OB_MWM_ELEMENTS) {
1562             self->mwmhints.flags = hints[0];
1563             self->mwmhints.functions = hints[1];
1564             self->mwmhints.decorations = hints[2];
1565         }
1566         g_free(hints);
1567     }
1568 }
1569
1570 void client_get_type_and_transientness(ObClient *self)
1571 {
1572     guint num, i;
1573     guint32 *val;
1574     Window t;
1575
1576     self->type = -1;
1577     self->transient = FALSE;
1578
1579     if (OBT_PROP_GETA32(self->window, NET_WM_WINDOW_TYPE, ATOM, &val, &num)) {
1580         /* use the first value that we know about in the array */
1581         for (i = 0; i < num; ++i) {
1582             if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP))
1583                 self->type = OB_CLIENT_TYPE_DESKTOP;
1584             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK))
1585                 self->type = OB_CLIENT_TYPE_DOCK;
1586             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR))
1587                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1588             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU))
1589                 self->type = OB_CLIENT_TYPE_MENU;
1590             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY))
1591                 self->type = OB_CLIENT_TYPE_UTILITY;
1592             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH))
1593                 self->type = OB_CLIENT_TYPE_SPLASH;
1594             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG))
1595                 self->type = OB_CLIENT_TYPE_DIALOG;
1596             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL))
1597                 self->type = OB_CLIENT_TYPE_NORMAL;
1598             else if (val[i] == OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE))
1599             {
1600                 /* prevent this window from getting any decor or
1601                    functionality */
1602                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1603                                          OB_MWM_FLAG_DECORATIONS);
1604                 self->mwmhints.decorations = 0;
1605                 self->mwmhints.functions = 0;
1606             }
1607             if (self->type != (ObClientType) -1)
1608                 break; /* grab the first legit type */
1609         }
1610         g_free(val);
1611     }
1612
1613     if (XGetTransientForHint(obt_display, self->window, &t))
1614         self->transient = TRUE;
1615
1616     if (self->type == (ObClientType) -1) {
1617         /*the window type hint was not set, which means we either classify
1618           ourself as a normal window or a dialog, depending on if we are a
1619           transient. */
1620         if (self->transient)
1621             self->type = OB_CLIENT_TYPE_DIALOG;
1622         else
1623             self->type = OB_CLIENT_TYPE_NORMAL;
1624     }
1625
1626     /* then, based on our type, we can update our transientness.. */
1627     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1628         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1629         self->type == OB_CLIENT_TYPE_MENU ||
1630         self->type == OB_CLIENT_TYPE_UTILITY)
1631     {
1632         self->transient = TRUE;
1633     }
1634 }
1635
1636 void client_update_protocols(ObClient *self)
1637 {
1638     guint32 *proto;
1639     guint num_ret, i;
1640
1641     self->focus_notify = FALSE;
1642     self->delete_window = FALSE;
1643
1644     if (OBT_PROP_GETA32(self->window, WM_PROTOCOLS, ATOM, &proto, &num_ret)) {
1645         for (i = 0; i < num_ret; ++i) {
1646             if (proto[i] == OBT_PROP_ATOM(WM_DELETE_WINDOW))
1647                 /* this means we can request the window to close */
1648                 self->delete_window = TRUE;
1649             else if (proto[i] == OBT_PROP_ATOM(WM_TAKE_FOCUS))
1650                 /* if this protocol is requested, then the window will be
1651                    notified whenever we want it to receive focus */
1652                 self->focus_notify = TRUE;
1653             else if (proto[i] == OBT_PROP_ATOM(NET_WM_PING))
1654                 /* if this protocol is requested, then the window will allow
1655                    pings to determine if it is still alive */
1656                 self->ping = TRUE;
1657 #ifdef SYNC
1658             else if (proto[i] == OBT_PROP_ATOM(NET_WM_SYNC_REQUEST))
1659                 /* if this protocol is requested, then resizing the
1660                    window will be synchronized between the frame and the
1661                    client */
1662                 self->sync_request = TRUE;
1663 #endif
1664         }
1665         g_free(proto);
1666     }
1667 }
1668
1669 #ifdef SYNC
1670 void client_update_sync_request_counter(ObClient *self)
1671 {
1672     guint32 i;
1673
1674     if (OBT_PROP_GET32(self->window, NET_WM_SYNC_REQUEST_COUNTER, CARDINAL,&i))
1675     {
1676         XSyncValue val;
1677
1678         self->sync_counter = i;
1679
1680         /* this must be set when managing a new window according to EWMH */
1681         XSyncIntToValue(&val, 0);
1682         XSyncSetCounter(obt_display, self->sync_counter, val);
1683     } else
1684         self->sync_counter = None;
1685 }
1686 #endif
1687
1688 static void client_get_colormap(ObClient *self)
1689 {
1690     XWindowAttributes wa;
1691
1692     if (XGetWindowAttributes(obt_display, self->window, &wa))
1693         client_update_colormap(self, wa.colormap);
1694 }
1695
1696 void client_update_colormap(ObClient *self, Colormap colormap)
1697 {
1698     if (colormap == self->colormap) return;
1699
1700     ob_debug("Setting client %s colormap: 0x%x", self->title, colormap);
1701
1702     if (client_focused(self)) {
1703         screen_install_colormap(self, FALSE); /* uninstall old one */
1704         self->colormap = colormap;
1705         screen_install_colormap(self, TRUE); /* install new one */
1706     } else
1707         self->colormap = colormap;
1708 }
1709
1710 void client_update_opacity(ObClient *self)
1711 {
1712     guint32 o;
1713
1714     if (OBT_PROP_GET32(self->window, NET_WM_WINDOW_OPACITY, CARDINAL, &o))
1715         OBT_PROP_SET32(self->frame->window, NET_WM_WINDOW_OPACITY, CARDINAL, o);
1716     else
1717         OBT_PROP_ERASE(self->frame->window, NET_WM_WINDOW_OPACITY);
1718 }
1719
1720 void client_update_normal_hints(ObClient *self)
1721 {
1722     XSizeHints size;
1723     glong ret;
1724
1725     /* defaults */
1726     self->min_ratio = 0.0f;
1727     self->max_ratio = 0.0f;
1728     SIZE_SET(self->size_inc, 1, 1);
1729     SIZE_SET(self->base_size, -1, -1);
1730     SIZE_SET(self->min_size, 0, 0);
1731     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1732
1733     /* get the hints from the window */
1734     if (XGetWMNormalHints(obt_display, self->window, &size, &ret)) {
1735         /* normal windows can't request placement! har har
1736         if (!client_normal(self))
1737         */
1738         self->positioned = (size.flags & (PPosition|USPosition));
1739         self->sized = (size.flags & (PSize|USSize));
1740
1741         if (size.flags & PWinGravity)
1742             self->gravity = size.win_gravity;
1743
1744         if (size.flags & PAspect) {
1745             if (size.min_aspect.y)
1746                 self->min_ratio =
1747                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1748             if (size.max_aspect.y)
1749                 self->max_ratio =
1750                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1751         }
1752
1753         if (size.flags & PMinSize)
1754             SIZE_SET(self->min_size, size.min_width, size.min_height);
1755
1756         if (size.flags & PMaxSize)
1757             SIZE_SET(self->max_size, size.max_width, size.max_height);
1758
1759         if (size.flags & PBaseSize)
1760             SIZE_SET(self->base_size, size.base_width, size.base_height);
1761
1762         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1763             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1764
1765         ob_debug("Normal hints: min size (%d %d) max size (%d %d)",
1766                  self->min_size.width, self->min_size.height,
1767                  self->max_size.width, self->max_size.height);
1768         ob_debug("size inc (%d %d) base size (%d %d)",
1769                  self->size_inc.width, self->size_inc.height,
1770                  self->base_size.width, self->base_size.height);
1771     }
1772     else
1773         ob_debug("Normal hints: not set");
1774 }
1775
1776 static void client_setup_default_decor_and_functions(ObClient *self)
1777 {
1778     /* start with everything (cept fullscreen) */
1779     self->decorations =
1780         (OB_FRAME_DECOR_TITLEBAR |
1781          OB_FRAME_DECOR_HANDLE |
1782          OB_FRAME_DECOR_GRIPS |
1783          OB_FRAME_DECOR_BORDER |
1784          OB_FRAME_DECOR_ICON |
1785          OB_FRAME_DECOR_ALLDESKTOPS |
1786          OB_FRAME_DECOR_ICONIFY |
1787          OB_FRAME_DECOR_MAXIMIZE |
1788          OB_FRAME_DECOR_SHADE |
1789          OB_FRAME_DECOR_CLOSE);
1790     self->functions =
1791         (OB_CLIENT_FUNC_RESIZE |
1792          OB_CLIENT_FUNC_MOVE |
1793          OB_CLIENT_FUNC_ICONIFY |
1794          OB_CLIENT_FUNC_MAXIMIZE |
1795          OB_CLIENT_FUNC_SHADE |
1796          OB_CLIENT_FUNC_CLOSE |
1797          OB_CLIENT_FUNC_BELOW |
1798          OB_CLIENT_FUNC_ABOVE |
1799          OB_CLIENT_FUNC_UNDECORATE);
1800
1801     if (!(self->min_size.width < self->max_size.width ||
1802           self->min_size.height < self->max_size.height))
1803         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1804
1805     switch (self->type) {
1806     case OB_CLIENT_TYPE_NORMAL:
1807         /* normal windows retain all of the possible decorations and
1808            functionality, and can be fullscreen */
1809         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1810         break;
1811
1812     case OB_CLIENT_TYPE_DIALOG:
1813         /* sometimes apps make dialog windows fullscreen for some reason (for
1814            e.g. kpdf does this..) */
1815         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1816         break;
1817
1818     case OB_CLIENT_TYPE_UTILITY:
1819         /* these windows don't have anything added or removed by default */
1820         break;
1821
1822     case OB_CLIENT_TYPE_MENU:
1823     case OB_CLIENT_TYPE_TOOLBAR:
1824         /* these windows can't iconify or maximize */
1825         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1826                                OB_FRAME_DECOR_MAXIMIZE);
1827         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1828                              OB_CLIENT_FUNC_MAXIMIZE);
1829         break;
1830
1831     case OB_CLIENT_TYPE_SPLASH:
1832         /* these don't get get any decorations, and the only thing you can
1833            do with them is move them */
1834         self->decorations = 0;
1835         self->functions = OB_CLIENT_FUNC_MOVE;
1836         break;
1837
1838     case OB_CLIENT_TYPE_DESKTOP:
1839         /* these windows are not manipulated by the window manager */
1840         self->decorations = 0;
1841         self->functions = 0;
1842         break;
1843
1844     case OB_CLIENT_TYPE_DOCK:
1845         /* these windows are not manipulated by the window manager, but they
1846            can set below layer which has a special meaning */
1847         self->decorations = 0;
1848         self->functions = OB_CLIENT_FUNC_BELOW;
1849         break;
1850     }
1851
1852     /* If the client has no decor from its type (which never changes) then
1853        don't allow the user to "undecorate" the window.  Otherwise, allow them
1854        to, even if there are motif hints removing the decor, because those
1855        may change these days (e.g. chromium) */
1856     if (self->decorations == 0)
1857         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1858
1859     /* Mwm Hints are applied subtractively to what has already been chosen for
1860        decor and functionality */
1861     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1862         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1863             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1864                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1865             {
1866                 /* if the mwm hints request no handle or title, then all
1867                    decorations are disabled, but keep the border if that's
1868                    specified */
1869                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1870                     self->decorations = OB_FRAME_DECOR_BORDER;
1871                 else
1872                     self->decorations = 0;
1873             }
1874         }
1875     }
1876
1877     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1878         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1879             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1880                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1881             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1882                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1883             /* dont let mwm hints kill any buttons
1884                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1885                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1886                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1887                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1888             */
1889             /* dont let mwm hints kill the close button
1890                if (! (self->mwmhints.functions & MwmFunc_Close))
1891                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1892         }
1893     }
1894
1895     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1896         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1897     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1898         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1899     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1900         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1901
1902     /* can't maximize without moving/resizing */
1903     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1904           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1905           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1906         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1907         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1908     }
1909 }
1910
1911 /*! Set up decor for a client based on its undecorated state. */
1912 static void client_setup_decor_undecorated(ObClient *self)
1913 {
1914     /* If the user requested no decorations, then remove all the decorations,
1915        except the border.  But don't add a border if there wasn't one. */
1916     if (self->undecorated)
1917         self->decorations &= (config_theme_keepborder ?
1918                               OB_FRAME_DECOR_BORDER : 0);
1919 }
1920
1921 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1922 {
1923     client_setup_default_decor_and_functions(self);
1924
1925     client_setup_decor_undecorated(self);
1926
1927     if (self->max_horz && self->max_vert) {
1928         /* once upon a time you couldn't resize maximized windows, that is not
1929            the case any more though !
1930
1931            but do kill the handle on fully maxed windows */
1932         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1933     }
1934
1935     /* if we don't have a titlebar, then we cannot shade! */
1936     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1937         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1938
1939     /* now we need to check against rules for the client's current state */
1940     if (self->fullscreen) {
1941         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1942                             OB_CLIENT_FUNC_FULLSCREEN |
1943                             OB_CLIENT_FUNC_ICONIFY);
1944         self->decorations = 0;
1945     }
1946
1947     client_change_allowed_actions(self);
1948
1949     if (reconfig)
1950         /* reconfigure to make sure decorations are updated */
1951         client_reconfigure(self, FALSE);
1952 }
1953
1954 static void client_change_allowed_actions(ObClient *self)
1955 {
1956     gulong actions[12];
1957     gint num = 0;
1958
1959     /* desktop windows are kept on all desktops */
1960     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1961         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
1962
1963     if (self->functions & OB_CLIENT_FUNC_SHADE)
1964         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
1965     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1966         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
1967     if (self->functions & OB_CLIENT_FUNC_MOVE)
1968         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
1969     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1970         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
1971     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1972         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
1973     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1974         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
1975     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1976         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
1977         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
1978     }
1979     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1980         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
1981     if (self->functions & OB_CLIENT_FUNC_BELOW)
1982         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
1983     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1984         actions[num++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
1985
1986     OBT_PROP_SETA32(self->window, NET_WM_ALLOWED_ACTIONS, ATOM, actions, num);
1987
1988     /* make sure the window isn't breaking any rules now
1989
1990        don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1991        it can't be iconified with its parent
1992     */
1993
1994     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1995         if (self->frame) client_shade(self, FALSE);
1996         else self->shaded = FALSE;
1997     }
1998     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1999         if (self->frame) client_fullscreen(self, FALSE);
2000         else self->fullscreen = FALSE;
2001     }
2002     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
2003                                                          self->max_vert)) {
2004         if (self->frame) client_maximize(self, FALSE, 0);
2005         else self->max_vert = self->max_horz = FALSE;
2006     }
2007 }
2008
2009 void client_update_wmhints(ObClient *self)
2010 {
2011     XWMHints *hints;
2012
2013     /* assume a window takes input if it doesn't specify */
2014     self->can_focus = TRUE;
2015
2016     if ((hints = XGetWMHints(obt_display, self->window)) != NULL) {
2017         gboolean ur;
2018
2019         if (hints->flags & InputHint)
2020             self->can_focus = hints->input;
2021
2022         /* only do this when first managing the window *AND* when we aren't
2023            starting up! */
2024         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
2025             if (hints->flags & StateHint)
2026                 self->iconic = hints->initial_state == IconicState;
2027
2028         ur = self->urgent;
2029         self->urgent = (hints->flags & XUrgencyHint);
2030         if (self->urgent && !ur)
2031             client_hilite(self, TRUE);
2032         else if (!self->urgent && ur && self->demands_attention)
2033             client_hilite(self, FALSE);
2034
2035         if (!(hints->flags & WindowGroupHint))
2036             hints->window_group = None;
2037
2038         /* did the group state change? */
2039         if (hints->window_group !=
2040             (self->group ? self->group->leader : None))
2041         {
2042             ObGroup *oldgroup = self->group;
2043
2044             /* remove from the old group if there was one */
2045             if (self->group) {
2046                 group_remove(self->group, self);
2047                 self->group = NULL;
2048             }
2049
2050             /* add ourself to the group if we have one */
2051             if (hints->window_group != None) {
2052                 self->group = group_add(hints->window_group, self);
2053             }
2054
2055             /* Put ourselves into the new group's transient tree, and remove
2056                ourselves from the old group's */
2057             client_update_transient_tree(self, oldgroup, self->group,
2058                                          self->transient_for_group,
2059                                          self->transient_for_group,
2060                                          client_direct_parent(self),
2061                                          client_direct_parent(self));
2062
2063             /* Lastly, being in a group, or not, can change if the window is
2064                transient for anything.
2065
2066                The logic for this is:
2067                self->transient = TRUE always if the window wants to be
2068                transient for something, even if transient_for was NULL because
2069                it wasn't in a group before.
2070
2071                If parents was NULL and oldgroup was NULL we can assume
2072                that when we add the new group, it will become transient for
2073                something.
2074
2075                If transient_for_group is TRUE, then it must have already
2076                had a group. If it is getting a new group, the above call to
2077                client_update_transient_tree has already taken care of
2078                everything ! If it is losing all group status then it will
2079                no longer be transient for anything and that needs to be
2080                updated.
2081             */
2082             if (self->transient &&
2083                 ((self->parents == NULL && oldgroup == NULL) ||
2084                  (self->transient_for_group && !self->group)))
2085                 client_update_transient_for(self);
2086         }
2087
2088         /* the WM_HINTS can contain an icon */
2089         if (hints->flags & IconPixmapHint)
2090             client_update_icons(self);
2091
2092         XFree(hints);
2093     }
2094
2095     focus_cycle_addremove(self, TRUE);
2096 }
2097
2098 void client_update_title(ObClient *self)
2099 {
2100     gchar *data = NULL;
2101     gchar *visible = NULL;
2102
2103     g_free(self->original_title);
2104
2105     /* try netwm */
2106     if (!OBT_PROP_GETS_UTF8(self->window, NET_WM_NAME, &data)) {
2107         /* try old x stuff */
2108         if (!OBT_PROP_GETS(self->window, WM_NAME, &data)) {
2109             if (self->transient) {
2110    /*
2111    GNOME alert windows are not given titles:
2112    http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
2113    */
2114                 data = g_strdup("");
2115             } else {
2116                 if (self->class && *self->class)
2117                     data = g_strdup(self->class);
2118                 else if (self->name && *self->name)
2119                     data = g_strdup(self->name);
2120                 else
2121                     data = g_strdup(_("Unnamed Window"));
2122             }
2123         }
2124     }
2125     self->original_title = g_strdup(data);
2126
2127     if (self->client_machine) {
2128         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2129         g_free(data);
2130     } else
2131         visible = data;
2132
2133     if (self->not_responding) {
2134         data = visible;
2135         if (self->kill_level > 0)
2136             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2137         else
2138             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2139         g_free(data);
2140     }
2141
2142     if (!self->title || strcmp(self->title, visible)) {
2143         OBT_PROP_SETS(self->window, NET_WM_VISIBLE_NAME, visible);
2144         g_free(self->title);
2145         self->title = visible;
2146     } else
2147         g_free(visible);
2148
2149     if (self->frame)
2150         frame_adjust_title(self->frame);
2151
2152     /* update the icon title */
2153     data = NULL;
2154
2155     /* try netwm */
2156     if (!OBT_PROP_GETS_UTF8(self->window, NET_WM_ICON_NAME, &data))
2157         /* try old x stuff */
2158         if (!OBT_PROP_GETS(self->window, WM_ICON_NAME, &data))
2159             data = g_strdup(self->title);
2160
2161     if (self->client_machine) {
2162         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2163         g_free(data);
2164     } else
2165         visible = data;
2166
2167     if (self->not_responding) {
2168         data = visible;
2169         if (self->kill_level > 0)
2170             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2171         else
2172             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2173         g_free(data);
2174     }
2175
2176     if (!self->icon_title || strcmp(self->icon_title, visible)) {
2177         OBT_PROP_SETS(self->window, NET_WM_VISIBLE_ICON_NAME, visible);
2178         g_free(self->icon_title);
2179         self->icon_title = visible;
2180     } else
2181         g_free(visible);
2182 }
2183
2184 void client_update_strut(ObClient *self)
2185 {
2186     guint num;
2187     guint32 *data;
2188     gboolean got = FALSE;
2189     StrutPartial strut;
2190
2191     if (OBT_PROP_GETA32(self->window, NET_WM_STRUT_PARTIAL, CARDINAL,
2192                         &data, &num))
2193     {
2194         if (num == 12) {
2195             got = TRUE;
2196             STRUT_PARTIAL_SET(strut,
2197                               data[0], data[2], data[1], data[3],
2198                               data[4], data[5], data[8], data[9],
2199                               data[6], data[7], data[10], data[11]);
2200         }
2201         g_free(data);
2202     }
2203
2204     if (!got &&
2205         OBT_PROP_GETA32(self->window, NET_WM_STRUT, CARDINAL, &data, &num)) {
2206         if (num == 4) {
2207             const Rect *a;
2208
2209             got = TRUE;
2210
2211             /* use the screen's width/height */
2212             a = screen_physical_area_all_monitors();
2213
2214             STRUT_PARTIAL_SET(strut,
2215                               data[0], data[2], data[1], data[3],
2216                               a->y, a->y + a->height - 1,
2217                               a->x, a->x + a->width - 1,
2218                               a->y, a->y + a->height - 1,
2219                               a->x, a->x + a->width - 1);
2220         }
2221         g_free(data);
2222     }
2223
2224     if (!got)
2225         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2226                           0, 0, 0, 0, 0, 0, 0, 0);
2227
2228     if (!PARTIAL_STRUT_EQUAL(strut, self->strut)) {
2229         self->strut = strut;
2230
2231         /* updating here is pointless while we're being mapped cuz we're not in
2232            the client list yet */
2233         if (self->frame)
2234             screen_update_areas();
2235     }
2236 }
2237
2238 void client_update_icons(ObClient *self)
2239 {
2240     guint num;
2241     guint32 *data;
2242     guint w, h, i, j;
2243     RrImage *img;
2244
2245     img = NULL;
2246
2247     /* grab the server, because we might be setting the window's icon and
2248        we don't want them to set it in between and we overwrite their own
2249        icon */
2250     grab_server(TRUE);
2251
2252     if (OBT_PROP_GETA32(self->window, NET_WM_ICON, CARDINAL, &data, &num)) {
2253         /* figure out how many valid icons are in here */
2254         i = 0;
2255         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2256             w = data[i++];
2257             h = data[i++];
2258             /* watch for the data being too small for the specified size,
2259                or for zero sized icons. */
2260             if (i + w*h > num || w == 0 || h == 0) {
2261                 i += w*h;
2262                 continue;
2263             }
2264
2265             /* convert it to the right bit order for ObRender */
2266             for (j = 0; j < w*h; ++j)
2267                 data[i+j] =
2268                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2269                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2270                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2271                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2272
2273             /* add it to the image cache as an original */
2274             if (!img)
2275                 img = RrImageNewFromData(ob_rr_icons, &data[i], w, h);
2276             else
2277                 RrImageAddFromData(img, &data[i], w, h);
2278
2279             i += w*h;
2280         }
2281
2282         g_free(data);
2283     }
2284
2285     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2286        legacy X hints */
2287     if (!img) {
2288         XWMHints *hints;
2289
2290         if ((hints = XGetWMHints(obt_display, self->window))) {
2291             if (hints->flags & IconPixmapHint) {
2292                 gboolean xicon;
2293                 obt_display_ignore_errors(TRUE);
2294                 xicon = RrPixmapToRGBA(ob_rr_inst,
2295                                        hints->icon_pixmap,
2296                                        (hints->flags & IconMaskHint ?
2297                                         hints->icon_mask : None),
2298                                        (gint*)&w, (gint*)&h, &data);
2299                 obt_display_ignore_errors(FALSE);
2300
2301                 if (xicon) {
2302                     if (w > 0 && h > 0) {
2303                         if (!img)
2304                             img = RrImageNewFromData(ob_rr_icons, data, w, h);
2305                         else
2306                             RrImageAddFromData(img, data, w, h);
2307                     }
2308
2309                     g_free(data);
2310                 }
2311             }
2312             XFree(hints);
2313         }
2314     }
2315
2316     /* set the client's icons to be whatever we found */
2317     RrImageUnref(self->icon_set);
2318     self->icon_set = img;
2319
2320     /* if the client has no icon at all, then we set a default icon onto it.
2321        but, if it has parents, then one of them will have an icon already
2322     */
2323     if (!self->icon_set && !self->parents) {
2324         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2325         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2326         gint32 r,g,b;
2327         r = g_random_int_range(0,255);
2328         g = g_random_int_range(0,255);
2329         b = g_random_int_range(0,255);
2330
2331         w = ob_rr_theme->def_win_icon_w;
2332         h = ob_rr_theme->def_win_icon_h;
2333         ldata = g_new(gulong, w*h+2);
2334         ldata[0] = w;
2335         ldata[1] = h;
2336         for (i = 0; i < w*h; ++i)
2337             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2338                 ((((icon[i] >> RrDefaultRedOffset) & 0xff)*r/255) << 16) +
2339                 ((((icon[i] >> RrDefaultGreenOffset) & 0xff)*g/255) << 8) +
2340                 ((((icon[i] >> RrDefaultBlueOffset) & 0xff)*b/255) << 0);
2341         OBT_PROP_SETA32(self->window, NET_WM_ICON, CARDINAL, ldata, w*h+2);
2342         g_free(ldata);
2343     } else if (self->frame)
2344         /* don't draw the icon empty if we're just setting one now anyways,
2345            we'll get the property change any second */
2346         frame_adjust_icon(self->frame);
2347
2348     grab_server(FALSE);
2349 }
2350
2351 void client_update_icon_geometry(ObClient *self)
2352 {
2353     guint num;
2354     guint32 *data;
2355
2356     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2357
2358     if (OBT_PROP_GETA32(self->window, NET_WM_ICON_GEOMETRY, CARDINAL,
2359                         &data, &num))
2360     {
2361         if (num == 4)
2362             /* don't let them set it with an area < 0 */
2363             RECT_SET(self->icon_geometry, data[0], data[1],
2364                      MAX(data[2],0), MAX(data[3],0));
2365         g_free(data);
2366     }
2367 }
2368
2369 static void client_get_session_ids(ObClient *self)
2370 {
2371     guint32 leader;
2372     gboolean got;
2373     gchar *s;
2374     gchar **ss;
2375
2376     if (!OBT_PROP_GET32(self->window, WM_CLIENT_LEADER, WINDOW, &leader))
2377         leader = None;
2378
2379     /* get the SM_CLIENT_ID */
2380     if (leader && leader != self->window)
2381         OBT_PROP_GETS_XPCS(leader, SM_CLIENT_ID, &self->sm_client_id);
2382     else
2383         OBT_PROP_GETS_XPCS(self->window, SM_CLIENT_ID, &self->sm_client_id);
2384
2385     /* get the WM_CLASS (name and class). make them "" if they are not
2386        provided */
2387     got = OBT_PROP_GETSS_TYPE(self->window, WM_CLASS, STRING_NO_CC, &ss);
2388
2389     if (got) {
2390         if (ss[0]) {
2391             self->name = g_strdup(ss[0]);
2392             if (ss[1])
2393                 self->class = g_strdup(ss[1]);
2394         }
2395         g_strfreev(ss);
2396     }
2397
2398     if (self->name == NULL) self->name = g_strdup("");
2399     if (self->class == NULL) self->class = g_strdup("");
2400
2401     /* get the WM_CLASS (name and class) from the group leader. make them "" if
2402        they are not provided */
2403     if (leader)
2404         got = OBT_PROP_GETSS_TYPE(leader, WM_CLASS, STRING_NO_CC, &ss);
2405     else
2406         got = FALSE;
2407
2408     if (got) {
2409         if (ss[0]) {
2410             self->group_name = g_strdup(ss[0]);
2411             if (ss[1])
2412                 self->group_class = g_strdup(ss[1]);
2413         }
2414         g_strfreev(ss);
2415     }
2416
2417     if (self->group_name == NULL) self->group_name = g_strdup("");
2418     if (self->group_class == NULL) self->group_class = g_strdup("");
2419
2420     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2421     got = OBT_PROP_GETS_XPCS(self->window, WM_WINDOW_ROLE, &s);
2422
2423     if (got)
2424         self->role = s;
2425     else
2426         self->role = g_strdup("");
2427
2428     /* get the WM_COMMAND */
2429     got = FALSE;
2430
2431     if (leader)
2432         got = OBT_PROP_GETSS(leader, WM_COMMAND, &ss);
2433     if (!got)
2434         got = OBT_PROP_GETSS(self->window, WM_COMMAND, &ss);
2435
2436     if (got) {
2437         /* merge/mash them all together */
2438         gchar *merge = NULL;
2439         gint i;
2440
2441         for (i = 0; ss[i]; ++i) {
2442             gchar *tmp = merge;
2443             if (merge)
2444                 merge = g_strconcat(merge, ss[i], NULL);
2445             else
2446                 merge = g_strconcat(ss[i], NULL);
2447             g_free(tmp);
2448         }
2449         g_strfreev(ss);
2450
2451         self->wm_command = merge;
2452     }
2453
2454     /* get the WM_CLIENT_MACHINE */
2455     got = FALSE;
2456     if (leader)
2457         got = OBT_PROP_GETS(leader, WM_CLIENT_MACHINE, &s);
2458     if (!got)
2459         got = OBT_PROP_GETS(self->window, WM_CLIENT_MACHINE, &s);
2460
2461     if (got) {
2462         gchar localhost[128];
2463         guint32 pid;
2464
2465         gethostname(localhost, 127);
2466         localhost[127] = '\0';
2467         if (strcmp(localhost, s) != 0)
2468             self->client_machine = s;
2469         else
2470             g_free(s);
2471
2472         /* see if it has the PID set too (the PID requires that the
2473            WM_CLIENT_MACHINE be set) */
2474         if (OBT_PROP_GET32(self->window, NET_WM_PID, CARDINAL, &pid))
2475             self->pid = pid;
2476     }
2477 }
2478
2479 const gchar *client_type_to_string(ObClient *self)
2480 {
2481     const gchar *type;
2482
2483     switch (self->type) {
2484     case OB_CLIENT_TYPE_NORMAL:
2485         type = "normal"; break;
2486     case OB_CLIENT_TYPE_DIALOG:
2487         type = "dialog"; break;
2488     case OB_CLIENT_TYPE_UTILITY:
2489         type = "utility"; break;
2490     case OB_CLIENT_TYPE_MENU:
2491         type = "menu"; break;
2492     case OB_CLIENT_TYPE_TOOLBAR:
2493         type = "toolbar"; break;
2494     case OB_CLIENT_TYPE_SPLASH:
2495         type = "splash"; break;
2496     case OB_CLIENT_TYPE_DESKTOP:
2497         type = "desktop"; break;
2498     case OB_CLIENT_TYPE_DOCK:
2499         type = "dock"; break;
2500     }
2501
2502     return type;
2503 }
2504
2505 /*! Save the properties used for app matching rules, as seen by Openbox when
2506   the window mapped, so that users can still access them later if the app
2507   changes them */
2508 static void client_save_app_rule_values(ObClient *self)
2509 {
2510     OBT_PROP_SETS(self->window, OB_APP_ROLE, self->role);
2511     OBT_PROP_SETS(self->window, OB_APP_NAME, self->name);
2512     OBT_PROP_SETS(self->window, OB_APP_CLASS, self->class);
2513     OBT_PROP_SETS(self->window, OB_APP_GROUP_NAME, self->group_name);
2514     OBT_PROP_SETS(self->window, OB_APP_GROUP_CLASS, self->group_class);
2515     OBT_PROP_SETS(self->window, OB_APP_TITLE, self->original_title);
2516
2517     OBT_PROP_SETS(self->window, OB_APP_TYPE, client_type_to_string(self));
2518 }
2519
2520 static void client_change_wm_state(ObClient *self)
2521 {
2522     gulong state[2];
2523     glong old;
2524
2525     old = self->wmstate;
2526
2527     if (self->shaded || self->iconic ||
2528         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2529     {
2530         self->wmstate = IconicState;
2531     } else
2532         self->wmstate = NormalState;
2533
2534     if (old != self->wmstate) {
2535         OBT_PROP_MSG(ob_screen, self->window, KDE_WM_CHANGE_STATE,
2536                      self->wmstate, 1, 0, 0, 0);
2537
2538         state[0] = self->wmstate;
2539         state[1] = None;
2540         OBT_PROP_SETA32(self->window, WM_STATE, WM_STATE, state, 2);
2541     }
2542 }
2543
2544 static void client_change_state(ObClient *self)
2545 {
2546     gulong netstate[13];
2547     guint num;
2548
2549     num = 0;
2550     if (self->modal)
2551         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
2552     if (self->shaded)
2553         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
2554     if (self->iconic)
2555         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
2556     if (self->skip_taskbar)
2557         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
2558     if (self->skip_pager)
2559         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
2560     if (self->fullscreen)
2561         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
2562     if (self->max_vert)
2563         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
2564     if (self->max_horz)
2565         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
2566     if (self->above)
2567         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
2568     if (self->below)
2569         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
2570     if (self->demands_attention)
2571         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
2572     if (self->undecorated)
2573         netstate[num++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
2574     if (self->locked)
2575         netstate[num++] = OBT_PROP_ATOM(OB_WM_STATE_LOCKED);
2576     OBT_PROP_SETA32(self->window, NET_WM_STATE, ATOM, netstate, num);
2577
2578     if (self->frame)
2579         frame_adjust_state(self->frame);
2580 }
2581
2582 ObClient *client_search_focus_tree(ObClient *self)
2583 {
2584     GSList *it;
2585     ObClient *ret;
2586
2587     for (it = self->transients; it; it = g_slist_next(it)) {
2588         if (client_focused(it->data)) return it->data;
2589         if ((ret = client_search_focus_tree(it->data))) return ret;
2590     }
2591     return NULL;
2592 }
2593
2594 ObClient *client_search_focus_tree_full(ObClient *self)
2595 {
2596     if (self->parents) {
2597         GSList *it;
2598
2599         for (it = self->parents; it; it = g_slist_next(it)) {
2600             ObClient *c = it->data;
2601             if ((c = client_search_focus_tree_full(c))) return c;
2602         }
2603
2604         return NULL;
2605     }
2606     else {
2607         /* this function checks the whole tree, the client_search_focus_tree
2608            does not, so we need to check this window */
2609         if (client_focused(self))
2610             return self;
2611         return client_search_focus_tree(self);
2612     }
2613 }
2614
2615 ObClient *client_search_focus_group_full(ObClient *self)
2616 {
2617     GSList *it;
2618
2619     if (self->group) {
2620         for (it = self->group->members; it; it = g_slist_next(it)) {
2621             ObClient *c = it->data;
2622
2623             if (client_focused(c)) return c;
2624             if ((c = client_search_focus_tree(it->data))) return c;
2625         }
2626     } else
2627         if (client_focused(self)) return self;
2628     return NULL;
2629 }
2630
2631 gboolean client_has_parent(ObClient *self)
2632 {
2633     return self->parents != NULL;
2634 }
2635
2636 gboolean client_has_children(ObClient *self)
2637 {
2638     return self->transients != NULL;
2639 }
2640
2641 gboolean client_is_oldfullscreen(const ObClient *self,
2642                                  const Rect *area)
2643 {
2644     const Rect *monitor, *allmonitors;
2645
2646     /* No decorations and fills the monitor = oldskool fullscreen.
2647        But not for maximized windows.
2648     */
2649
2650     if (self->decorations || self->max_horz || self->max_vert) return FALSE;
2651
2652     monitor = screen_physical_area_monitor(screen_find_monitor(area));
2653     allmonitors = screen_physical_area_all_monitors();
2654
2655     return (RECT_EQUAL(*area, *monitor) ||
2656             RECT_EQUAL(*area, *allmonitors));
2657 }
2658
2659 static ObStackingLayer calc_layer(ObClient *self)
2660 {
2661     ObStackingLayer l;
2662
2663     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2664         l = OB_STACKING_LAYER_DESKTOP;
2665     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2666         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2667         else l = OB_STACKING_LAYER_ABOVE;
2668     }
2669     else if ((self->fullscreen ||
2670               client_is_oldfullscreen(self, &self->area)) &&
2671              /* you are fullscreen while you or your children are focused.. */
2672              (client_focused(self) || client_search_focus_tree(self) ||
2673               /* you can be fullscreen if you're on another desktop */
2674               (self->desktop != screen_desktop &&
2675                self->desktop != DESKTOP_ALL) ||
2676               /* and you can also be fullscreen if the focused client is on
2677                  another monitor, or nothing else is focused */
2678               (!focus_client ||
2679                client_monitor(focus_client) != client_monitor(self))))
2680         l = OB_STACKING_LAYER_FULLSCREEN;
2681     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2682     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2683     else l = OB_STACKING_LAYER_NORMAL;
2684
2685     return l;
2686 }
2687
2688 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2689                                         ObStackingLayer min)
2690 {
2691     ObStackingLayer old, own;
2692     GSList *it;
2693
2694     old = self->layer;
2695     own = calc_layer(self);
2696     self->layer = MAX(own, min);
2697
2698     if (self->layer != old) {
2699         stacking_remove(CLIENT_AS_WINDOW(self));
2700         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2701     }
2702
2703     /* we've been restacked */
2704     self->visited = TRUE;
2705
2706     for (it = self->transients; it; it = g_slist_next(it))
2707         client_calc_layer_recursive(it->data, orig,
2708                                     self->layer);
2709 }
2710
2711 static void client_calc_layer_internal(ObClient *self)
2712 {
2713     GSList *sit;
2714
2715     /* transients take on the layer of their parents */
2716     sit = client_search_all_top_parents(self);
2717
2718     for (; sit; sit = g_slist_next(sit))
2719         client_calc_layer_recursive(sit->data, self, 0);
2720 }
2721
2722 void client_calc_layer(ObClient *self)
2723 {
2724     GList *it;
2725
2726     /* skip over stuff above fullscreen layer */
2727     for (it = stacking_list; it; it = g_list_next(it))
2728         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2729
2730     /* find the windows in the fullscreen layer, and mark them not-visited */
2731     for (; it; it = g_list_next(it)) {
2732         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2733         else if (WINDOW_IS_CLIENT(it->data))
2734             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2735     }
2736
2737     client_calc_layer_internal(self);
2738
2739     /* skip over stuff above fullscreen layer */
2740     for (it = stacking_list; it; it = g_list_next(it))
2741         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2742
2743     /* now recalc any windows in the fullscreen layer which have not
2744        had their layer recalced already */
2745     for (; it; it = g_list_next(it)) {
2746         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2747         else if (WINDOW_IS_CLIENT(it->data) &&
2748                  !WINDOW_AS_CLIENT(it->data)->visited)
2749             client_calc_layer_internal(it->data);
2750     }
2751 }
2752
2753 gboolean client_should_show(ObClient *self)
2754 {
2755     if (self->iconic)
2756         return FALSE;
2757     if (client_normal(self) && screen_showing_desktop())
2758         return FALSE;
2759     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2760         return TRUE;
2761
2762     return FALSE;
2763 }
2764
2765 gboolean client_show(ObClient *self)
2766 {
2767     gboolean show = FALSE;
2768
2769     if (client_should_show(self)) {
2770         /* replay pending pointer event before showing the window, in case it
2771            should be going to something under the window */
2772         mouse_replay_pointer();
2773
2774         frame_show(self->frame);
2775         show = TRUE;
2776
2777         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2778            it needs to be in IconicState. This includes when it is on another
2779            desktop!
2780         */
2781         client_change_wm_state(self);
2782     }
2783     return show;
2784 }
2785
2786 gboolean client_hide(ObClient *self)
2787 {
2788     gboolean hide = FALSE;
2789
2790     if (!client_should_show(self)) {
2791         /* We don't need to ignore enter events here.
2792            The window can hide/iconify in 3 different ways:
2793            1 - through an x message. in this case we ignore all enter events
2794                caused by responding to the x message (unless underMouse)
2795            2 - by a keyboard action. in this case we ignore all enter events
2796                caused by the action
2797            3 - by a mouse action. in this case they are doing stuff with the
2798                mouse and focus _should_ move.
2799
2800            Also in action_end, we simulate an enter event that can't be ignored
2801            so trying to ignore them is futile in case 3 anyways
2802         */
2803
2804         /* replay pending pointer event before hiding the window, in case it
2805            should be going to the window */
2806         mouse_replay_pointer();
2807
2808         frame_hide(self->frame);
2809         hide = TRUE;
2810
2811         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2812            it needs to be in IconicState. This includes when it is on another
2813            desktop!
2814         */
2815         client_change_wm_state(self);
2816     }
2817     return hide;
2818 }
2819
2820 void client_showhide(ObClient *self)
2821 {
2822     if (!client_show(self))
2823         client_hide(self);
2824 }
2825
2826 gboolean client_normal(ObClient *self) {
2827     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2828               self->type == OB_CLIENT_TYPE_DOCK ||
2829               self->type == OB_CLIENT_TYPE_SPLASH);
2830 }
2831
2832 gboolean client_helper(ObClient *self)
2833 {
2834     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2835             self->type == OB_CLIENT_TYPE_MENU ||
2836             self->type == OB_CLIENT_TYPE_TOOLBAR);
2837 }
2838
2839 gboolean client_occupies_space(ObClient *self)
2840 {
2841     return !(self->type == OB_CLIENT_TYPE_DESKTOP ||
2842              self->type == OB_CLIENT_TYPE_SPLASH);
2843 }
2844
2845 gboolean client_mouse_focusable(ObClient *self)
2846 {
2847     return !(/*self->type == OB_CLIENT_TYPE_MENU ||*/
2848              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2849              self->type == OB_CLIENT_TYPE_SPLASH ||
2850              self->type == OB_CLIENT_TYPE_DOCK);
2851 }
2852
2853 gboolean client_enter_focusable(ObClient *self)
2854 {
2855     /* you can focus desktops but it shouldn't on enter */
2856     return (client_mouse_focusable(self) &&
2857             self->type != OB_CLIENT_TYPE_DESKTOP);
2858 }
2859
2860 static void client_apply_startup_state(ObClient *self,
2861                                        gint x, gint y, gint w, gint h)
2862 {
2863     /* save the states that we are going to apply */
2864     gboolean iconic = self->iconic;
2865     gboolean fullscreen = self->fullscreen;
2866     gboolean undecorated = self->undecorated;
2867     gboolean shaded = self->shaded;
2868     gboolean demands_attention = self->demands_attention;
2869     gboolean max_horz = self->max_horz;
2870     gboolean max_vert = self->max_vert;
2871     Rect oldarea;
2872     gint l;
2873
2874     /* turn them all off in the client, so they won't affect the window
2875        being placed */
2876     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2877         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2878
2879     /* move the client to its placed position, or it it's already there,
2880        generate a ConfigureNotify telling the client where it is.
2881
2882        do this after adjusting the frame. otherwise it gets all weird and
2883        clients don't work right
2884
2885        do this before applying the states so they have the correct
2886        pre-max/pre-fullscreen values
2887     */
2888     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2889     ob_debug("placed window 0x%x at %d, %d with size %d x %d",
2890              self->window, x, y, w, h);
2891     /* save the area, and make it where it should be for the premax stuff */
2892     oldarea = self->area;
2893     RECT_SET(self->area, x, y, w, h);
2894
2895     /* apply the states. these are in a carefully crafted order.. */
2896
2897     if (iconic)
2898         client_iconify(self, TRUE, FALSE, TRUE);
2899     if (undecorated)
2900         client_set_undecorated(self, TRUE);
2901     if (shaded)
2902         client_shade(self, TRUE);
2903     if (demands_attention)
2904         client_hilite(self, TRUE);
2905
2906     if (max_vert && max_horz)
2907         client_maximize(self, TRUE, 0);
2908     else if (max_vert)
2909         client_maximize(self, TRUE, 2);
2910     else if (max_horz)
2911         client_maximize(self, TRUE, 1);
2912
2913     /* fullscreen removes the ability to apply other states */
2914     if (fullscreen)
2915         client_fullscreen(self, TRUE);
2916
2917     /* make sure client_setup_decor_and_functions() is called at least once */
2918     client_setup_decor_and_functions(self, FALSE);
2919
2920     /* if the window hasn't been configured yet, then do so now, in fact the
2921        x,y,w,h may _not_ be the same as the area rect, which can end up
2922        meaning that the client isn't properly moved/resized by the fullscreen
2923        function
2924        pho can cause this because it maps at size of the screen but not 0,0
2925        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2926        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2927        cuz thats where the pre-fullscreen will be. however the actual area is
2928        not, so this needs to be called even if we have fullscreened/maxed
2929     */
2930     self->area = oldarea;
2931     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2932
2933     /* nothing to do for the other states:
2934        skip_taskbar
2935        skip_pager
2936        modal
2937        above
2938        below
2939     */
2940 }
2941
2942 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2943 {
2944     /* these should be the current values. this is for when you're not moving,
2945        just resizing */
2946     g_assert(*x == self->area.x);
2947     g_assert(oldw == self->area.width);
2948
2949     /* horizontal */
2950     switch (self->gravity) {
2951     default:
2952     case NorthWestGravity:
2953     case WestGravity:
2954     case SouthWestGravity:
2955     case StaticGravity:
2956     case ForgetGravity:
2957         break;
2958     case NorthGravity:
2959     case CenterGravity:
2960     case SouthGravity:
2961         *x -= (neww - oldw) / 2;
2962         break;
2963     case NorthEastGravity:
2964     case EastGravity:
2965     case SouthEastGravity:
2966         *x -= neww - oldw;
2967         break;
2968     }
2969 }
2970
2971 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2972 {
2973     /* these should be the current values. this is for when you're not moving,
2974        just resizing */
2975     g_assert(*y == self->area.y);
2976     g_assert(oldh == self->area.height);
2977
2978     /* vertical */
2979     switch (self->gravity) {
2980     default:
2981     case NorthWestGravity:
2982     case NorthGravity:
2983     case NorthEastGravity:
2984     case StaticGravity:
2985     case ForgetGravity:
2986         break;
2987     case WestGravity:
2988     case CenterGravity:
2989     case EastGravity:
2990         *y -= (newh - oldh) / 2;
2991         break;
2992     case SouthWestGravity:
2993     case SouthGravity:
2994     case SouthEastGravity:
2995         *y -= newh - oldh;
2996         break;
2997     }
2998 }
2999
3000 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
3001                           gint *logicalw, gint *logicalh,
3002                           gboolean user)
3003 {
3004     Rect desired = {*x, *y, *w, *h};
3005     frame_rect_to_frame(self->frame, &desired);
3006
3007     /* make the frame recalculate its dimensions n shit without changing
3008        anything visible for real, this way the constraints below can work with
3009        the updated frame dimensions. */
3010     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
3011
3012     /* cap any X windows at the size of an unsigned short */
3013     /* actually make that a bit less, X shits itself on windows this large too */
3014     *w = MIN(*w,
3015              (gint)4096
3016              - self->frame->size.left - self->frame->size.right);
3017     *h = MIN(*h,
3018              (gint)4096
3019              - self->frame->size.top - self->frame->size.bottom);
3020
3021     /* gets the frame's position */
3022     frame_client_gravity(self->frame, x, y);
3023
3024     /* these positions are frame positions, not client positions */
3025
3026     /* set the size and position if fullscreen */
3027     if (self->fullscreen) {
3028         const Rect *a;
3029         guint i;
3030
3031         i = screen_find_monitor(&desired);
3032         a = screen_physical_area_monitor(i);
3033
3034         *x = a->x;
3035         *y = a->y;
3036         *w = a->width;
3037         *h = a->height;
3038
3039         user = FALSE; /* ignore if the client can't be moved/resized when it
3040                          is fullscreening */
3041     } else if (self->max_horz || self->max_vert) {
3042         Rect *a;
3043         guint i;
3044
3045         /* use all possible struts when maximizing to the full screen */
3046         i = screen_find_monitor(&desired);
3047         a = screen_area(self->desktop, i,
3048                         (self->max_horz && self->max_vert ? NULL : &desired));
3049
3050         /* set the size and position if maximized */
3051         if (self->max_horz) {
3052             *x = a->x;
3053             *w = a->width - self->frame->size.left - self->frame->size.right;
3054         }
3055         if (self->max_vert) {
3056             *y = a->y;
3057             *h = a->height - self->frame->size.top - self->frame->size.bottom;
3058         }
3059
3060         user = FALSE; /* ignore if the client can't be moved/resized when it
3061                          is maximizing */
3062
3063         g_slice_free(Rect, a);
3064     }
3065
3066     /* gets the client's position */
3067     frame_frame_gravity(self->frame, x, y);
3068
3069     /* work within the preferred sizes given by the window, these may have
3070        changed rather than it's requested width and height, so always run
3071        through this code */
3072     {
3073         gint basew, baseh, minw, minh;
3074         gint incw, inch, maxw, maxh;
3075         gfloat minratio, maxratio;
3076
3077         incw = self->size_inc.width;
3078         inch = self->size_inc.height;
3079         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
3080             0 : self->min_ratio;
3081         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
3082             0 : self->max_ratio;
3083
3084         /* XXX TODO FIXME these two fallbacks don't check that the fallback
3085          * value itself is specified before using it */
3086         /* base size is substituted with min size if not specified */
3087         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
3088             basew = self->base_size.width;
3089             baseh = self->base_size.height;
3090         } else {
3091             basew = self->min_size.width;
3092             baseh = self->min_size.height;
3093         }
3094         /* min size is substituted with base size if not specified */
3095         if (self->min_size.width || self->min_size.height) {
3096             minw = self->min_size.width;
3097             minh = self->min_size.height;
3098         } else {
3099             minw = self->base_size.width;
3100             minh = self->base_size.height;
3101         }
3102
3103         /* This comment is no longer true */
3104         /* if this is a user-requested resize, then check against min/max
3105            sizes */
3106
3107         /* smaller than min size or bigger than max size? */
3108         if (*w > self->max_size.width) *w = self->max_size.width;
3109         if (*w < minw) *w = minw;
3110         if (*h > self->max_size.height) *h = self->max_size.height;
3111         if (*h < minh) *h = minh;
3112
3113         *w -= basew;
3114         *h -= baseh;
3115
3116         /* the sizes to used for maximized */
3117         maxw = *w;
3118         maxh = *h;
3119
3120         /* keep to the increments */
3121         *w /= incw;
3122         *h /= inch;
3123
3124         /* you cannot resize to nothing */
3125         if (basew + *w < 1) *w = 1 - basew;
3126         if (baseh + *h < 1) *h = 1 - baseh;
3127
3128         /* save the logical size */
3129         *logicalw = incw > 1 ? *w : *w + basew;
3130         *logicalh = inch > 1 ? *h : *h + baseh;
3131
3132         *w *= incw;
3133         *h *= inch;
3134
3135         /* if maximized/fs then don't use the size increments */
3136         if (self->fullscreen || self->max_horz) *w = maxw;
3137         if (self->fullscreen || self->max_vert) *h = maxh;
3138
3139         *w += basew;
3140         *h += baseh;
3141
3142         /* adjust the height to match the width for the aspect ratios.
3143            for this, min size is not substituted for base size ever. */
3144         if (self->base_size.width >= 0 && self->base_size.height >= 0) {
3145             *w -= self->base_size.width;
3146             *h -= self->base_size.height;
3147         }
3148
3149         if (minratio)
3150             if (*h * minratio > *w) {
3151                 *h = (gint)(*w / minratio);
3152
3153                 /* you cannot resize to nothing */
3154                 if (*h < 1) {
3155                     *h = 1;
3156                     *w = (gint)(*h * minratio);
3157                 }
3158             }
3159         if (maxratio)
3160             if (*h * maxratio < *w) {
3161                 *h = (gint)(*w / maxratio);
3162
3163                 /* you cannot resize to nothing */
3164                 if (*h < 1) {
3165                     *h = 1;
3166                     *w = (gint)(*h * minratio);
3167                 }
3168             }
3169
3170         if (self->base_size.width >= 0 && self->base_size.height >= 0) {
3171             *w += self->base_size.width;
3172             *h += self->base_size.height;
3173         }
3174     }
3175
3176     /* these override the above states! if you cant move you can't move! */
3177     if (user) {
3178         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
3179             *x = self->area.x;
3180             *y = self->area.y;
3181         }
3182         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
3183             *w = self->area.width;
3184             *h = self->area.height;
3185         }
3186     }
3187
3188     g_assert(*w > 0);
3189     g_assert(*h > 0);
3190 }
3191
3192 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
3193                       gboolean user, gboolean final, gboolean force_reply)
3194 {
3195     Rect oldframe, oldclient;
3196     gboolean send_resize_client;
3197     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
3198     gboolean fmoved, fresized;
3199     guint fdecor = self->frame->decorations;
3200     gboolean fhorz = self->frame->max_horz;
3201     gboolean fvert = self->frame->max_vert;
3202     gint logicalw, logicalh;
3203
3204     /* find the new x, y, width, and height (and logical size) */
3205     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
3206
3207     /* set the logical size if things changed */
3208     if (!(w == self->area.width && h == self->area.height))
3209         SIZE_SET(self->logical_size, logicalw, logicalh);
3210
3211     /* figure out if we moved or resized or what */
3212     moved = (x != self->area.x || y != self->area.y);
3213     resized = (w != self->area.width || h != self->area.height);
3214
3215     oldframe = self->frame->area;
3216     oldclient = self->area;
3217     RECT_SET(self->area, x, y, w, h);
3218
3219     /* for app-requested resizes, always resize if 'resized' is true.
3220        for user-requested ones, only resize if final is true, or when
3221        resizing in redraw mode */
3222     send_resize_client = ((!user && resized) ||
3223                           (user && (final ||
3224                                     (resized && config_resize_redraw))));
3225
3226     /* if the client is enlarging, then resize the client before the frame */
3227     if (send_resize_client && (w > oldclient.width || h > oldclient.height)) {
3228         XMoveResizeWindow(obt_display, self->window,
3229                           self->frame->size.left, self->frame->size.top,
3230                           MAX(w, oldclient.width), MAX(h, oldclient.height));
3231         frame_adjust_client_area(self->frame);
3232     }
3233
3234     /* find the frame's dimensions and move/resize it */
3235     fmoved = moved;
3236     fresized = resized;
3237
3238     /* if decorations changed, then readjust everything for the frame */
3239     if (self->decorations != fdecor ||
3240         self->max_horz != fhorz || self->max_vert != fvert)
3241     {
3242         fmoved = fresized = TRUE;
3243     }
3244
3245     /* adjust the frame */
3246     if (fmoved || fresized) {
3247         gulong ignore_start;
3248         if (!user)
3249             ignore_start = event_start_ignore_all_enters();
3250
3251         /* replay pending pointer event before move the window, in case it
3252            would change what window gets the event */
3253         mouse_replay_pointer();
3254
3255         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
3256
3257         if (!user)
3258             event_end_ignore_all_enters(ignore_start);
3259     }
3260
3261     if (!user || final) {
3262         gint oldrx = self->root_pos.x;
3263         gint oldry = self->root_pos.y;
3264         /* we have reset the client to 0 border width, so don't include
3265            it in these coords */
3266         POINT_SET(self->root_pos,
3267                   self->frame->area.x + self->frame->size.left -
3268                   self->border_width,
3269                   self->frame->area.y + self->frame->size.top -
3270                   self->border_width);
3271         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3272             rootmoved = TRUE;
3273     }
3274
3275     /* This is kinda tricky and should not be changed.. let me explain!
3276
3277        When user = FALSE, then the request is coming from the application
3278        itself, and we are more strict about when to send a synthetic
3279        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3280        in this case (or send one if force_reply is true)
3281
3282        When user = TRUE, then the request is coming from "us", like when we
3283        maximize a window or something.  In this case we are more lenient.  We
3284        used to follow the same rules as above, but _Java_ Swing can't handle
3285        this. So just to appease Swing, when user = TRUE, we always send
3286        a synthetic ConfigureNotify to give the window its root coordinates.
3287        Lastly, if force_reply is TRUE, we always send a
3288        ConfigureNotify, which is needed during a resize with XSYNCronization.
3289     */
3290     if ((!user && !resized && (rootmoved || force_reply)) ||
3291         (user && ((!resized && force_reply) || (final && rootmoved))))
3292     {
3293         XEvent event;
3294
3295         event.type = ConfigureNotify;
3296         event.xconfigure.display = obt_display;
3297         event.xconfigure.event = self->window;
3298         event.xconfigure.window = self->window;
3299
3300         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d",
3301                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3302
3303         /* root window real coords */
3304         event.xconfigure.x = self->root_pos.x;
3305         event.xconfigure.y = self->root_pos.y;
3306         event.xconfigure.width = w;
3307         event.xconfigure.height = h;
3308         event.xconfigure.border_width = self->border_width;
3309         event.xconfigure.above = None;
3310         event.xconfigure.override_redirect = FALSE;
3311         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3312                    FALSE, StructureNotifyMask, &event);
3313     }
3314
3315     /* if the client is shrinking, then resize the frame before the client.
3316
3317        both of these resize sections may run, because the top one only resizes
3318        in the direction that is growing
3319      */
3320     if (send_resize_client && (w <= oldclient.width || h <= oldclient.height))
3321     {
3322         frame_adjust_client_area(self->frame);
3323         XMoveResizeWindow(obt_display, self->window,
3324                           self->frame->size.left, self->frame->size.top, w, h);
3325     }
3326
3327     XFlush(obt_display);
3328
3329     /* if it moved between monitors, then this can affect the stacking
3330        layer of this window or others - for fullscreen windows.
3331        also if it changed to/from oldschool fullscreen then its layer may
3332        change
3333
3334        watch out tho, don't try change stacking stuff if the window is no
3335        longer being managed !
3336     */
3337     if (self->managed &&
3338         (screen_find_monitor(&self->frame->area) !=
3339          screen_find_monitor(&oldframe) ||
3340          (final && (client_is_oldfullscreen(self, &oldclient) !=
3341                     client_is_oldfullscreen(self, &self->area)))))
3342     {
3343         client_calc_layer(self);
3344     }
3345 }
3346
3347 void client_fullscreen(ObClient *self, gboolean fs)
3348 {
3349     gint x, y, w, h;
3350
3351     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3352         self->fullscreen == fs) return;                   /* already done */
3353
3354     self->fullscreen = fs;
3355     client_change_state(self); /* change the state hints on the client */
3356
3357     if (fs) {
3358         self->pre_fullscreen_area = self->area;
3359         self->pre_fullscreen_max_horz = self->max_horz;
3360         self->pre_fullscreen_max_vert = self->max_vert;
3361
3362         /* if the window is maximized, its area isn't all that meaningful.
3363            save its premax area instead. */
3364         if (self->max_horz) {
3365             self->pre_fullscreen_area.x = self->pre_max_area.x;
3366             self->pre_fullscreen_area.width = self->pre_max_area.width;
3367         }
3368         if (self->max_vert) {
3369             self->pre_fullscreen_area.y = self->pre_max_area.y;
3370             self->pre_fullscreen_area.height = self->pre_max_area.height;
3371         }
3372
3373         /* these will help configure_full figure out where to fullscreen
3374            the window */
3375         x = self->area.x;
3376         y = self->area.y;
3377         w = self->area.width;
3378         h = self->area.height;
3379     } else {
3380         g_assert(self->pre_fullscreen_area.width > 0 &&
3381                  self->pre_fullscreen_area.height > 0);
3382
3383         self->max_horz = self->pre_fullscreen_max_horz;
3384         self->max_vert = self->pre_fullscreen_max_vert;
3385         if (self->max_horz) {
3386             self->pre_max_area.x = self->pre_fullscreen_area.x;
3387             self->pre_max_area.width = self->pre_fullscreen_area.width;
3388         }
3389         if (self->max_vert) {
3390             self->pre_max_area.y = self->pre_fullscreen_area.y;
3391             self->pre_max_area.height = self->pre_fullscreen_area.height;
3392         }
3393
3394         x = self->pre_fullscreen_area.x;
3395         y = self->pre_fullscreen_area.y;
3396         w = self->pre_fullscreen_area.width;
3397         h = self->pre_fullscreen_area.height;
3398         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3399     }
3400
3401     ob_debug("Window %s going fullscreen (%d)",
3402              self->title, self->fullscreen);
3403
3404     if (fs) {
3405         /* make sure the window is on some monitor */
3406         client_find_onscreen(self, &x, &y, w, h, FALSE);
3407     }
3408
3409     client_setup_decor_and_functions(self, FALSE);
3410     client_move_resize(self, x, y, w, h);
3411
3412     /* and adjust our layer/stacking. do this after resizing the window,
3413        and applying decorations, because windows which fill the screen are
3414        considered "fullscreen" and it affects their layer */
3415     client_calc_layer(self);
3416
3417     if (fs) {
3418         /* try focus us when we go into fullscreen mode */
3419         client_focus(self);
3420     }
3421 }
3422
3423 static void client_iconify_recursive(ObClient *self,
3424                                      gboolean iconic, gboolean curdesk,
3425                                      gboolean hide_animation)
3426 {
3427     GSList *it;
3428     gboolean changed = FALSE;
3429
3430     if (self->iconic != iconic) {
3431         ob_debug("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
3432                  self->window);
3433
3434         if (iconic) {
3435             /* don't let non-normal windows iconify along with their parents
3436                or whatever */
3437             if (client_normal(self)) {
3438                 self->iconic = iconic;
3439
3440                 /* update the focus lists.. iconic windows go to the bottom of
3441                    the list. this will also call focus_cycle_addremove(). */
3442                 focus_order_to_bottom(self);
3443
3444                 changed = TRUE;
3445             }
3446         } else {
3447             self->iconic = iconic;
3448
3449             if (curdesk && self->desktop != screen_desktop &&
3450                 self->desktop != DESKTOP_ALL)
3451                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3452
3453             /* this puts it after the current focused window, this will
3454                also cause focus_cycle_addremove() to be called for the
3455                client */
3456             focus_order_like_new(self);
3457
3458             changed = TRUE;
3459         }
3460     }
3461
3462     if (changed) {
3463         client_change_state(self);
3464         if (config_animate_iconify && !hide_animation)
3465             frame_begin_iconify_animation(self->frame, iconic);
3466         /* do this after starting the animation so it doesn't flash */
3467         client_showhide(self);
3468     }
3469
3470     /* iconify all direct transients, and deiconify all transients
3471        (non-direct too) */
3472     for (it = self->transients; it; it = g_slist_next(it))
3473         if (it->data != self)
3474             if (client_is_direct_child(self, it->data) || !iconic)
3475                 client_iconify_recursive(it->data, iconic, curdesk,
3476                                          hide_animation);
3477 }
3478
3479 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3480                     gboolean hide_animation)
3481 {
3482     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3483         /* move up the transient chain as far as possible first */
3484         self = client_search_top_direct_parent(self);
3485         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3486     }
3487 }
3488
3489 void client_maximize(ObClient *self, gboolean max, gint dir)
3490 {
3491     gint x, y, w, h;
3492
3493     g_assert(dir == 0 || dir == 1 || dir == 2);
3494     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && max) return;/* can't */
3495
3496     /* check if already done */
3497     if (max) {
3498         if (dir == 0 && self->max_horz && self->max_vert) return;
3499         if (dir == 1 && self->max_horz) return;
3500         if (dir == 2 && self->max_vert) return;
3501     } else {
3502         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3503         if (dir == 1 && !self->max_horz) return;
3504         if (dir == 2 && !self->max_vert) return;
3505     }
3506
3507     /* these will help configure_full figure out which screen to fill with
3508        the window */
3509     x = self->area.x;
3510     y = self->area.y;
3511     w = self->area.width;
3512     h = self->area.height;
3513
3514     if (max) {
3515         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3516             RECT_SET(self->pre_max_area,
3517                      self->area.x, self->pre_max_area.y,
3518                      self->area.width, self->pre_max_area.height);
3519         }
3520         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3521             RECT_SET(self->pre_max_area,
3522                      self->pre_max_area.x, self->area.y,
3523                      self->pre_max_area.width, self->area.height);
3524         }
3525     } else {
3526         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3527             g_assert(self->pre_max_area.width > 0);
3528
3529             x = self->pre_max_area.x;
3530             w = self->pre_max_area.width;
3531
3532             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3533                      0, self->pre_max_area.heigh