]> icculus.org git repositories - dana/openbox.git/blob - openbox/client.c
allow a user to set "undecorated" on a window without decorations
[dana/openbox.git] / openbox / client.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    client.c for the Openbox window manager
4    Copyright (c) 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                                        Time steal_time, Time launch_time);
114
115 void client_startup(gboolean reconfig)
116 {
117     if ((client_default_icon = RrImageCacheFind(ob_rr_icons,
118                                                 ob_rr_theme->def_win_icon,
119                                                 ob_rr_theme->def_win_icon_w,
120                                                 ob_rr_theme->def_win_icon_h)))
121         RrImageRef(client_default_icon);
122     else {
123         client_default_icon = RrImageNew(ob_rr_icons);
124         RrImageAddPicture(client_default_icon,
125                           ob_rr_theme->def_win_icon,
126                           ob_rr_theme->def_win_icon_w,
127                           ob_rr_theme->def_win_icon_h);
128     }
129
130     if (reconfig) return;
131
132     client_set_list();
133 }
134
135 void client_shutdown(gboolean reconfig)
136 {
137     RrImageUnref(client_default_icon);
138     client_default_icon = NULL;
139
140     if (reconfig) return;
141 }
142
143 static void client_call_notifies(ObClient *self, GSList *list)
144 {
145     GSList *it;
146
147     for (it = list; it; it = g_slist_next(it)) {
148         ClientCallback *d = it->data;
149         d->func(self, d->data);
150     }
151 }
152
153 void client_add_destroy_notify(ObClientCallback func, gpointer data)
154 {
155     ClientCallback *d = g_slice_new(ClientCallback);
156     d->func = func;
157     d->data = data;
158     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
159 }
160
161 void client_remove_destroy_notify(ObClientCallback func)
162 {
163     GSList *it;
164
165     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
166         ClientCallback *d = it->data;
167         if (d->func == func) {
168             g_slice_free(ClientCallback, d);
169             client_destroy_notifies =
170                 g_slist_delete_link(client_destroy_notifies, it);
171             break;
172         }
173     }
174 }
175
176 void client_set_list(void)
177 {
178     Window *windows, *win_it;
179     GList *it;
180     guint size = g_list_length(client_list);
181
182     /* create an array of the window ids */
183     if (size > 0) {
184         windows = g_new(Window, size);
185         win_it = windows;
186         for (it = client_list; it; it = g_list_next(it), ++win_it)
187             *win_it = ((ObClient*)it->data)->window;
188     } else
189         windows = NULL;
190
191     OBT_PROP_SETA32(obt_root(ob_screen), NET_CLIENT_LIST, WINDOW,
192                     (gulong*)windows, size);
193
194     if (windows)
195         g_free(windows);
196
197     stacking_set_list();
198 }
199
200 void client_manage(Window window, ObPrompt *prompt)
201 {
202     ObClient *self;
203     XSetWindowAttributes attrib_set;
204     gboolean activate = FALSE;
205     ObAppSettings *settings;
206     gboolean transient = FALSE;
207     Rect place;
208     Time launch_time;
209     guint32 user_time;
210     gboolean obplaced;
211
212     ob_debug("Managing window: 0x%lx", window);
213
214     /* choose the events we want to receive on the CLIENT window
215        (ObPrompt windows can request events too) */
216     attrib_set.event_mask = CLIENT_EVENTMASK |
217         (prompt ? prompt->event_mask : 0);
218     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
219     XChangeWindowAttributes(obt_display, window,
220                             CWEventMask|CWDontPropagate, &attrib_set);
221
222     /* create the ObClient struct, and populate it from the hints on the
223        window */
224     self = g_slice_new0(ObClient);
225     self->obwin.type = OB_WINDOW_CLASS_CLIENT;
226     self->window = window;
227     self->prompt = prompt;
228     self->managed = TRUE;
229
230     /* non-zero defaults */
231     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
232     self->gravity = NorthWestGravity;
233     self->desktop = screen_num_desktops; /* always an invalid value */
234
235     /* get all the stuff off the window */
236     client_get_all(self, TRUE);
237
238     ob_debug("Window type: %d", self->type);
239     ob_debug("Window group: 0x%x", self->group?self->group->leader:0);
240     ob_debug("Window name: %s class: %s role: %s title: %s",
241              self->name, self->class, self->role, self->title);
242
243     /* per-app settings override stuff from client_get_all, and return the
244        settings for other uses too. the returned settings is a shallow copy,
245        that needs to be freed with g_free(). */
246     settings = client_get_settings_state(self);
247
248     /* now we have all of the window's information so we can set this up.
249        do this before creating the frame, so it can tell that we are still
250        mapping and doesn't go applying things right away */
251     client_setup_decor_and_functions(self, FALSE);
252
253     /* specify that if we exit, the window should not be destroyed and
254        should be reparented back to root automatically, unless we are managing
255        an internal ObPrompt window  */
256     if (!self->prompt)
257         XChangeSaveSet(obt_display, window, SetModeInsert);
258
259     /* create the decoration frame for the client window */
260     self->frame = frame_new(self);
261
262     frame_grab_client(self->frame);
263
264     /* we've grabbed everything and set everything that we need to at mapping
265        time now */
266     grab_server(FALSE);
267
268     /* the session should get the last say though */
269     client_restore_session_state(self);
270
271     /* tell startup notification that this app started */
272     launch_time = sn_app_started(self->startup_id, self->class, self->name);
273
274     if (!OBT_PROP_GET32(self->window, NET_WM_USER_TIME, CARDINAL, &user_time))
275         user_time = event_time();
276
277     /* do this after we have a frame.. it uses the frame to help determine the
278        WM_STATE to apply. */
279     client_change_state(self);
280
281     /* add ourselves to the focus order */
282     focus_order_add_new(self);
283
284     /* do this to add ourselves to the stacking list in a non-intrusive way */
285     client_calc_layer(self);
286
287     /* focus the new window? */
288     if (ob_state() != OB_STATE_STARTING &&
289         (!self->session || self->session->focused) &&
290         /* this means focus=true for window is same as config_focus_new=true */
291         ((config_focus_new || (settings && settings->focus == 1)) ||
292          client_search_focus_tree_full(self)) &&
293         /* NET_WM_USER_TIME 0 when mapping means don't focus */
294         (user_time != 0) &&
295         /* this checks for focus=false for the window */
296         (!settings || settings->focus != 0) &&
297         focus_valid_target(self, self->desktop,
298                            FALSE, FALSE, TRUE, TRUE, FALSE, FALSE,
299                            settings->focus == 1))
300     {
301         activate = TRUE;
302     }
303
304     /* remove the client's border */
305     XSetWindowBorderWidth(obt_display, self->window, 0);
306
307     /* adjust the frame to the client's size before showing or placing
308        the window */
309     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
310     frame_adjust_client_area(self->frame);
311
312     /* where the frame was placed is where the window was originally */
313     place = self->area;
314
315     /* figure out placement for the window if the window is new */
316     if (ob_state() == OB_STATE_RUNNING) {
317         ob_debug("Positioned: %s @ %d %d",
318                  (!self->positioned ? "no" :
319                   (self->positioned == PPosition ? "program specified" :
320                    (self->positioned == USPosition ? "user specified" :
321                     (self->positioned == (PPosition | USPosition) ?
322                      "program + user specified" :
323                      "BADNESS !?")))), place.x, place.y);
324
325         ob_debug("Sized: %s @ %d %d",
326                  (!self->sized ? "no" :
327                   (self->sized == PSize ? "program specified" :
328                    (self->sized == USSize ? "user specified" :
329                     (self->sized == (PSize | USSize) ?
330                      "program + user specified" :
331                      "BADNESS !?")))), place.width, place.height);
332
333         obplaced = place_client(self, &place.x, &place.y, settings);
334
335         /* watch for buggy apps that ask to be placed at (0,0) when there is
336            a strut there */
337         if (!obplaced && place.x == 0 && place.y == 0 &&
338             /* non-normal windows are allowed */
339             client_normal(self) &&
340             /* oldschool fullscreen windows are allowed */
341             !client_is_oldfullscreen(self, &place))
342         {
343             Rect *r;
344
345             r = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS, NULL);
346             if (r->x || r->y) {
347                 place.x = r->x;
348                 place.y = r->y;
349                 ob_debug("Moving buggy app from (0,0) to (%d,%d)", r->x, r->y);
350             }
351             g_slice_free(Rect, r);
352         }
353
354         /* make sure the window is visible. */
355         client_find_onscreen(self, &place.x, &place.y,
356                              place.width, place.height,
357                              /* non-normal clients has less rules, and
358                                 windows that are being restored from a
359                                 session do also. we can assume you want
360                                 it back where you saved it. Clients saying
361                                 they placed themselves are subjected to
362                                 harder rules, ones that are placed by
363                                 place.c or by the user are allowed partially
364                                 off-screen and on xinerama divides (ie,
365                                 it is up to the placement routines to avoid
366                                 the xinerama divides)
367
368                                 children and splash screens are forced on
369                                 screen, but i don't remember why i decided to
370                                 do that.
371                              */
372                              ob_state() == OB_STATE_RUNNING &&
373                              (self->type == OB_CLIENT_TYPE_DIALOG ||
374                               self->type == OB_CLIENT_TYPE_SPLASH ||
375                               (!((self->positioned & USPosition) ||
376                                  (settings && settings->pos_given)) &&
377                                client_normal(self) &&
378                                !self->session &&
379                                /* don't move oldschool fullscreen windows to
380                                   fit inside the struts (fixes Acroread, which
381                                   makes its fullscreen window fit the screen
382                                   but it is not USSize'd or USPosition'd) */
383                                !client_is_oldfullscreen(self, &place))));
384     }
385
386     /* if the window isn't user-sized, then make it fit inside
387        the visible screen area on its monitor. Use basically the same rules
388        for forcing the window on screen in the client_find_onscreen call.
389
390        do this after place_client, it chooses the monitor!
391
392        splash screens get "transient" set to TRUE by
393        the place_client call
394     */
395     if (ob_state() == OB_STATE_RUNNING &&
396         (transient ||
397          (!(self->sized & USSize || self->positioned & USPosition) &&
398           client_normal(self) &&
399           !self->session &&
400           /* don't shrink oldschool fullscreen windows to fit inside the
401              struts (fixes Acroread, which makes its fullscreen window
402              fit the screen but it is not USSize'd or USPosition'd) */
403           !client_is_oldfullscreen(self, &place))))
404     {
405         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
406
407         /* get the size of the frame */
408         place.width += self->frame->size.left + self->frame->size.right;
409         place.height += self->frame->size.top + self->frame->size.bottom;
410
411         /* fit the window inside the area */
412         place.width = MIN(place.width, a->width);
413         place.height = MIN(place.height, a->height);
414
415         ob_debug("setting window size to %dx%d", place.width, place.height);
416
417         /* get the size of the client back */
418         place.width -= self->frame->size.left + self->frame->size.right;
419         place.height -= self->frame->size.top + self->frame->size.bottom;
420
421         g_slice_free(Rect, a);
422     }
423
424     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
425              "some restrictions may apply",
426              self->window, place.x, place.y, place.width, place.height);
427     if (self->session)
428         ob_debug("  but session requested %d, %d  %d x %d instead, "
429                  "overriding",
430                  self->session->x, self->session->y,
431                  self->session->w, self->session->h);
432
433     /* do this after the window is placed, so the premax/prefullscreen numbers
434        won't be all wacko!!
435
436        this also places the window
437     */
438     client_apply_startup_state(self, place.x, place.y,
439                                place.width, place.height);
440
441     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s",
442                   activate ? "yes" : "no");
443     if (activate) {
444         activate = client_can_steal_focus(self, (settings && settings->focus),
445                                           event_time(), launch_time);
446
447         if (!activate) {
448             /* if the client isn't stealing focus, then hilite it so the user
449                knows it is there, but don't do this if we're restoring from a
450                session */
451             if (!client_restore_session_stacking(self))
452                 client_hilite(self, TRUE);
453         }
454     }
455     else {
456         /* This may look rather odd. Well it's because new windows are added
457            to the stacking order non-intrusively. If we're not going to focus
458            the new window or hilite it, then we raise it to the top. This will
459            take affect for things that don't get focused like splash screens.
460            Also if you don't have focus_new enabled, then it's going to get
461            raised to the top. Legacy begets legacy I guess?
462         */
463         if (!client_restore_session_stacking(self))
464             stacking_raise(CLIENT_AS_WINDOW(self));
465     }
466
467     mouse_grab_for_client(self, TRUE);
468
469     /* this has to happen before we try focus the window, but we want it to
470        happen after the client's stacking has been determined or it looks bad
471     */
472     {
473         gulong ignore_start;
474         if (!config_focus_under_mouse)
475             ignore_start = event_start_ignore_all_enters();
476
477         client_show(self);
478
479         if (!config_focus_under_mouse)
480             event_end_ignore_all_enters(ignore_start);
481     }
482
483     if (activate) {
484         gboolean stacked = client_restore_session_stacking(self);
485         client_present(self, FALSE, !stacked, TRUE);
486     }
487
488     /* add to client list/map */
489     client_list = g_list_append(client_list, self);
490     window_add(&self->window, CLIENT_AS_WINDOW(self));
491
492     /* this has to happen after we're in the client_list */
493     if (STRUT_EXISTS(self->strut))
494         screen_update_areas();
495
496     /* update the list hints */
497     client_set_list();
498
499     /* free the ObAppSettings shallow copy */
500     g_slice_free(ObAppSettings, settings);
501
502     ob_debug("Managed window 0x%lx plate 0x%x (%s)",
503              window, self->frame->window, self->class);
504 }
505
506 ObClient *client_fake_manage(Window window)
507 {
508     ObClient *self;
509     ObAppSettings *settings;
510
511     ob_debug("Pretend-managing window: %lx", window);
512
513     /* do this minimal stuff to figure out the client's decorations */
514
515     self = g_slice_new0(ObClient);
516     self->window = window;
517
518     client_get_all(self, FALSE);
519     /* per-app settings override stuff, and return the settings for other
520        uses too. this returns a shallow copy that needs to be freed */
521     settings = client_get_settings_state(self);
522
523     client_setup_decor_and_functions(self, FALSE);
524
525     /* create the decoration frame for the client window and adjust its size */
526     self->frame = frame_new(self);
527     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
528
529     ob_debug("gave extents left %d right %d top %d bottom %d",
530              self->frame->size.left, self->frame->size.right,
531              self->frame->size.top, self->frame->size.bottom);
532
533     /* free the ObAppSettings shallow copy */
534     g_slice_free(ObAppSettings, settings);
535
536     return self;
537 }
538
539 void client_unmanage_all(void)
540 {
541     while (client_list)
542         client_unmanage(client_list->data);
543 }
544
545 void client_unmanage(ObClient *self)
546 {
547     GSList *it;
548     gulong ignore_start;
549
550     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)",
551              self->window, self->frame->window,
552              self->class, self->title ? self->title : "");
553
554     g_assert(self != NULL);
555
556     /* we dont want events no more. do this before hiding the frame so we
557        don't generate more events */
558     XSelectInput(obt_display, self->window, NoEventMask);
559
560     /* ignore enter events from the unmap so it doesnt mess with the focus */
561     if (!config_focus_under_mouse)
562         ignore_start = event_start_ignore_all_enters();
563
564     frame_hide(self->frame);
565     /* flush to send the hide to the server quickly */
566     XFlush(obt_display);
567
568     if (!config_focus_under_mouse)
569         event_end_ignore_all_enters(ignore_start);
570
571     mouse_grab_for_client(self, FALSE);
572
573     self->managed = FALSE;
574
575     /* remove the window from our save set, unless we are managing an internal
576        ObPrompt window */
577     if (!self->prompt)
578         XChangeSaveSet(obt_display, self->window, SetModeDelete);
579
580     /* update the focus lists */
581     focus_order_remove(self);
582     if (client_focused(self)) {
583         /* don't leave an invalid focus_client */
584         focus_client = NULL;
585     }
586
587     /* if we're prompting to kill the client, close that */
588     prompt_unref(self->kill_prompt);
589     self->kill_prompt = NULL;
590
591     client_list = g_list_remove(client_list, self);
592     stacking_remove(self);
593     window_remove(self->window);
594
595     /* once the client is out of the list, update the struts to remove its
596        influence */
597     if (STRUT_EXISTS(self->strut))
598         screen_update_areas();
599
600     client_call_notifies(self, client_destroy_notifies);
601
602     /* tell our parent(s) that we're gone */
603     for (it = self->parents; it; it = g_slist_next(it))
604         ((ObClient*)it->data)->transients =
605             g_slist_remove(((ObClient*)it->data)->transients,self);
606
607     /* tell our transients that we're gone */
608     for (it = self->transients; it; it = g_slist_next(it)) {
609         ((ObClient*)it->data)->parents =
610             g_slist_remove(((ObClient*)it->data)->parents, self);
611         /* we could be keeping our children in a higher layer */
612         client_calc_layer(it->data);
613     }
614
615     /* remove from its group */
616     if (self->group) {
617         group_remove(self->group, self);
618         self->group = NULL;
619     }
620
621     /* restore the window's original geometry so it is not lost */
622     {
623         Rect a;
624
625         a = self->area;
626
627         if (self->fullscreen)
628             a = self->pre_fullscreen_area;
629         else if (self->max_horz || self->max_vert) {
630             if (self->max_horz) {
631                 a.x = self->pre_max_area.x;
632                 a.width = self->pre_max_area.width;
633             }
634             if (self->max_vert) {
635                 a.y = self->pre_max_area.y;
636                 a.height = self->pre_max_area.height;
637             }
638         }
639
640         self->fullscreen = self->max_horz = self->max_vert = FALSE;
641         /* let it be moved and resized no matter what */
642         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
643         self->decorations = 0; /* unmanaged windows have no decor */
644
645         /* give the client its border back */
646         XSetWindowBorderWidth(obt_display, self->window, self->border_width);
647
648         client_move_resize(self, a.x, a.y, a.width, a.height);
649     }
650
651     /* reparent the window out of the frame, and free the frame */
652     frame_release_client(self->frame);
653     frame_free(self->frame);
654     self->frame = NULL;
655
656     if (ob_state() != OB_STATE_EXITING) {
657         /* these values should not be persisted across a window
658            unmapping/mapping */
659         OBT_PROP_ERASE(self->window, NET_WM_DESKTOP);
660         OBT_PROP_ERASE(self->window, NET_WM_STATE);
661         OBT_PROP_ERASE(self->window, WM_STATE);
662     } else {
663         /* if we're left in an unmapped state, the client wont be mapped.
664            this is bad, since we will no longer be managing the window on
665            restart */
666         XMapWindow(obt_display, self->window);
667     }
668
669     /* these should not be left on the window ever.  other window managers
670        don't necessarily use them and it will mess them up (like compiz) */
671     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_NAME);
672     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_ICON_NAME);
673
674     /* update the list hints */
675     client_set_list();
676
677     ob_debug("Unmanaged window 0x%lx", self->window);
678
679     /* free all data allocated in the client struct */
680     RrImageUnref(self->icon_set);
681     g_slist_free(self->transients);
682     g_free(self->startup_id);
683     g_free(self->wm_command);
684     g_free(self->title);
685     g_free(self->icon_title);
686     g_free(self->original_title);
687     g_free(self->name);
688     g_free(self->class);
689     g_free(self->role);
690     g_free(self->client_machine);
691     g_free(self->sm_client_id);
692     g_slice_free(ObClient, self);
693 }
694
695 void client_fake_unmanage(ObClient *self)
696 {
697     /* this is all that got allocated to get the decorations */
698
699     frame_free(self->frame);
700     g_slice_free(ObClient, self);
701 }
702
703 static gboolean client_can_steal_focus(ObClient *self,
704                                        gboolean allow_other_desktop,
705                                        Time steal_time,
706                                        Time launch_time)
707 {
708     gboolean steal;
709     gboolean relative_focused;
710     gboolean parent_focused;
711
712     steal = TRUE;
713
714     parent_focused = (focus_client != NULL &&
715                       client_search_focus_parent(self));
716     relative_focused = (focus_client != NULL &&
717                         (client_search_focus_tree_full(self) != NULL ||
718                          client_search_focus_group_full(self) != NULL));
719
720     /* This is focus stealing prevention */
721     ob_debug_type(OB_DEBUG_FOCUS,
722                   "Want to focus window 0x%x at time %u "
723                   "launched at %u (last user interaction time %u)",
724                   self->window, steal_time, launch_time,
725                   event_last_user_time);
726
727     /* if it's on another desktop... */
728     if (!(self->desktop == screen_desktop ||
729           self->desktop == DESKTOP_ALL) &&
730         /* and (we dont know when it launched, and we don't want to allow
731            focus stealing from other desktops */
732         ((!launch_time && !allow_other_desktop) ||
733          /* or the timestamp is from before you changed desktops) */
734          (screen_desktop_user_time &&
735           !event_time_after(launch_time, screen_desktop_user_time))))
736     {
737         steal = FALSE;
738         ob_debug_type(OB_DEBUG_FOCUS,
739                       "Not focusing the window because its on another "
740                       "desktop\n");
741     }
742     /* If something is focused... */
743     else if (focus_client) {
744         /* If the user is working in another window right now, then don't
745            steal focus */
746         if (!parent_focused &&
747             event_last_user_time && launch_time &&
748             event_time_after(event_last_user_time, launch_time) &&
749             event_last_user_time != launch_time &&
750             event_time_after(event_last_user_time,
751                              steal_time - OB_EVENT_USER_TIME_DELAY))
752         {
753             steal = FALSE;
754             ob_debug_type(OB_DEBUG_FOCUS,
755                           "Not focusing the window because the user is "
756                           "working in another window that is not "
757                           "its parent");
758         }
759         /* If the new window is a transient (and its relatives aren't
760            focused) */
761         else if (client_has_parent(self) && !relative_focused) {
762             steal = FALSE;
763             ob_debug_type(OB_DEBUG_FOCUS,
764                           "Not focusing the window because it is a "
765                           "transient, and its relatives aren't focused");
766         }
767         /* Don't steal focus from globally active clients.
768            I stole this idea from KWin. It seems nice.
769         */
770         else if (!(focus_client->can_focus ||
771                    focus_client->focus_notify))
772         {
773             steal = FALSE;
774             ob_debug_type(OB_DEBUG_FOCUS,
775                           "Not focusing the window because a globally "
776                           "active client has focus");
777         }
778         /* Don't move focus if it's not going to go to this window
779            anyway */
780         else if (client_focus_target(self) != self) {
781             steal = FALSE;
782             ob_debug_type(OB_DEBUG_FOCUS,
783                           "Not focusing the window because another window "
784                           "would get the focus anyway");
785         }
786         /* Don't move focus if the window is not visible on the current
787            desktop and none of its relatives are focused */
788         else if (!(self->desktop == screen_desktop ||
789                    self->desktop == DESKTOP_ALL) &&
790                  !relative_focused)
791         {
792             steal = FALSE;
793             ob_debug_type(OB_DEBUG_FOCUS,
794                           "Not focusing the window because it is on "
795                           "another desktop and no relatives are focused ");
796         }
797     }
798
799     if (!steal)
800         ob_debug_type(OB_DEBUG_FOCUS,
801                       "Focus stealing prevention activated for %s at "
802                       "time %u (last user interaction time %u)",
803                       self->title, steal_time, event_last_user_time);
804     return steal;
805 }
806
807 /*! Returns a new structure containing the per-app settings for this client.
808   The returned structure needs to be freed with g_free. */
809 static ObAppSettings *client_get_settings_state(ObClient *self)
810 {
811     ObAppSettings *settings;
812     GSList *it;
813
814     settings = config_create_app_settings();
815
816     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
817         ObAppSettings *app = it->data;
818         gboolean match = TRUE;
819
820         g_assert(app->name != NULL || app->class != NULL ||
821                  app->role != NULL || app->title != NULL ||
822                  (signed)app->type >= 0);
823
824         if (app->name &&
825             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
826             match = FALSE;
827         else if (app->class &&
828                  !g_pattern_match(app->class,
829                                   strlen(self->class), self->class, NULL))
830             match = FALSE;
831         else if (app->role &&
832                  !g_pattern_match(app->role,
833                                   strlen(self->role), self->role, NULL))
834             match = FALSE;
835         else if (app->title &&
836                  !g_pattern_match(app->title,
837                                   strlen(self->title), self->title, NULL))
838             match = FALSE;
839         else if ((signed)app->type >= 0 && app->type != self->type) {
840             match = FALSE;
841         }
842
843         if (match) {
844             ob_debug("Window matching: %s", app->name);
845
846             /* copy the settings to our struct, overriding the existing
847                settings if they are not defaults */
848             config_app_settings_copy_non_defaults(app, settings);
849         }
850     }
851
852     if (settings->shade != -1)
853         self->shaded = !!settings->shade;
854     if (settings->decor != -1)
855         self->undecorated = !settings->decor;
856     if (settings->iconic != -1)
857         self->iconic = !!settings->iconic;
858     if (settings->skip_pager != -1)
859         self->skip_pager = !!settings->skip_pager;
860     if (settings->skip_taskbar != -1)
861         self->skip_taskbar = !!settings->skip_taskbar;
862
863     if (settings->max_vert != -1)
864         self->max_vert = !!settings->max_vert;
865     if (settings->max_horz != -1)
866         self->max_horz = !!settings->max_horz;
867
868     if (settings->fullscreen != -1)
869         self->fullscreen = !!settings->fullscreen;
870
871     if (settings->desktop) {
872         if (settings->desktop == DESKTOP_ALL)
873             self->desktop = settings->desktop;
874         else if (settings->desktop > 0 &&
875                  settings->desktop <= screen_num_desktops)
876             self->desktop = settings->desktop - 1;
877     }
878
879     if (settings->layer == -1) {
880         self->below = TRUE;
881         self->above = FALSE;
882     }
883     else if (settings->layer == 0) {
884         self->below = FALSE;
885         self->above = FALSE;
886     }
887     else if (settings->layer == 1) {
888         self->below = FALSE;
889         self->above = TRUE;
890     }
891     return settings;
892 }
893
894 static void client_restore_session_state(ObClient *self)
895 {
896     GList *it;
897
898     ob_debug_type(OB_DEBUG_SM,
899                   "Restore session for client %s", self->title);
900
901     if (!(it = session_state_find(self))) {
902         ob_debug_type(OB_DEBUG_SM,
903                       "Session data not found for client %s", self->title);
904         return;
905     }
906
907     self->session = it->data;
908
909     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s",
910                   self->title);
911
912     RECT_SET_POINT(self->area, self->session->x, self->session->y);
913     self->positioned = USPosition;
914     self->sized = USSize;
915     if (self->session->w > 0)
916         self->area.width = self->session->w;
917     if (self->session->h > 0)
918         self->area.height = self->session->h;
919     XResizeWindow(obt_display, self->window,
920                   self->area.width, self->area.height);
921
922     self->desktop = (self->session->desktop == DESKTOP_ALL ?
923                      self->session->desktop :
924                      MIN(screen_num_desktops - 1, self->session->desktop));
925     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
926
927     self->shaded = self->session->shaded;
928     self->iconic = self->session->iconic;
929     self->skip_pager = self->session->skip_pager;
930     self->skip_taskbar = self->session->skip_taskbar;
931     self->fullscreen = self->session->fullscreen;
932     self->above = self->session->above;
933     self->below = self->session->below;
934     self->max_horz = self->session->max_horz;
935     self->max_vert = self->session->max_vert;
936     self->undecorated = self->session->undecorated;
937 }
938
939 static gboolean client_restore_session_stacking(ObClient *self)
940 {
941     GList *it, *mypos;
942
943     if (!self->session) return FALSE;
944
945     mypos = g_list_find(session_saved_state, self->session);
946     if (!mypos) return FALSE;
947
948     /* start above me and look for the first client */
949     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
950         GList *cit;
951
952         for (cit = client_list; cit; cit = g_list_next(cit)) {
953             ObClient *c = cit->data;
954             /* found a client that was in the session, so go below it */
955             if (c->session == it->data) {
956                 stacking_below(CLIENT_AS_WINDOW(self),
957                                CLIENT_AS_WINDOW(cit->data));
958                 return TRUE;
959             }
960         }
961     }
962     return FALSE;
963 }
964
965 void client_move_onscreen(ObClient *self, gboolean rude)
966 {
967     gint x = self->area.x;
968     gint y = self->area.y;
969     if (client_find_onscreen(self, &x, &y,
970                              self->area.width,
971                              self->area.height, rude)) {
972         client_move(self, x, y);
973     }
974 }
975
976 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
977                               gboolean rude)
978 {
979     gint ox = *x, oy = *y;
980     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
981     gint fw, fh;
982     Rect desired;
983     guint i;
984     gboolean found_mon;
985
986     RECT_SET(desired, *x, *y, w, h);
987     frame_rect_to_frame(self->frame, &desired);
988
989     /* get where the frame would be */
990     frame_client_gravity(self->frame, x, y);
991
992     /* get the requested size of the window with decorations */
993     fw = self->frame->size.left + w + self->frame->size.right;
994     fh = self->frame->size.top + h + self->frame->size.bottom;
995
996     /* If rudeness wasn't requested, then still be rude in a given direction
997        if the client is not moving, only resizing in that direction */
998     if (!rude) {
999         Point oldtl, oldtr, oldbl, oldbr;
1000         Point newtl, newtr, newbl, newbr;
1001         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1002
1003         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
1004         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
1005                   self->frame->area.y + self->frame->area.height - 1);
1006         POINT_SET(oldtr, oldbr.x, oldtl.y);
1007         POINT_SET(oldbl, oldtl.x, oldbr.y);
1008
1009         POINT_SET(newtl, *x, *y);
1010         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1011         POINT_SET(newtr, newbr.x, newtl.y);
1012         POINT_SET(newbl, newtl.x, newbr.y);
1013
1014         /* is it moving or just resizing from some corner? */
1015         stationary_l = oldtl.x == newtl.x;
1016         stationary_r = oldtr.x == newtr.x;
1017         stationary_t = oldtl.y == newtl.y;
1018         stationary_b = oldbl.y == newbl.y;
1019
1020         /* if left edge is growing and didnt move right edge */
1021         if (stationary_r && newtl.x < oldtl.x)
1022             rudel = TRUE;
1023         /* if right edge is growing and didnt move left edge */
1024         if (stationary_l && newtr.x > oldtr.x)
1025             ruder = TRUE;
1026         /* if top edge is growing and didnt move bottom edge */
1027         if (stationary_b && newtl.y < oldtl.y)
1028             rudet = TRUE;
1029         /* if bottom edge is growing and didnt move top edge */
1030         if (stationary_t && newbl.y > oldbl.y)
1031             rudeb = TRUE;
1032     }
1033
1034     /* we iterate through every monitor that the window is at least partially
1035        on, to make sure it is obeying the rules on them all
1036
1037        if the window does not appear on any monitors, then use the first one
1038     */
1039     found_mon = FALSE;
1040     for (i = 0; i < screen_num_monitors; ++i) {
1041         Rect *a;
1042
1043         if (!screen_physical_area_monitor_contains(i, &desired)) {
1044             if (i < screen_num_monitors - 1 || found_mon)
1045                 continue;
1046
1047             /* the window is not inside any monitor! so just use the first
1048                one */
1049             a = screen_area(self->desktop, 0, NULL);
1050         } else {
1051             found_mon = TRUE;
1052             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1053         }
1054
1055         /* This makes sure windows aren't entirely outside of the screen so you
1056            can't see them at all.
1057            It makes sure 10% of the window is on the screen at least. And don't
1058            let it move itself off the top of the screen, which would hide the
1059            titlebar on you. (The user can still do this if they want too, it's
1060            only limiting the application.
1061         */
1062         if (client_normal(self)) {
1063             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1064                 *x = a->x + a->width - fw/10;
1065             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1066                 *y = a->y + a->height - fh/10;
1067             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1068                 *x = a->x - fw*9/10;
1069             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1070                 *y = a->y - fh*9/10;
1071         }
1072
1073         /* This here doesn't let windows even a pixel outside the
1074            struts/screen. When called from client_manage, programs placing
1075            themselves are forced completely onscreen, while things like
1076            xterm -geometry resolution-width/2 will work fine. Trying to
1077            place it completely offscreen will be handled in the above code.
1078            Sorry for this confused comment, i am tired. */
1079         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1080         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1081             *x = a->x + MAX(0, a->width - fw);
1082
1083         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1084         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1085             *y = a->y + MAX(0, a->height - fh);
1086
1087         g_slice_free(Rect, a);
1088     }
1089
1090     /* get where the client should be */
1091     frame_frame_gravity(self->frame, x, y);
1092
1093     return ox != *x || oy != *y;
1094 }
1095
1096 static void client_get_all(ObClient *self, gboolean real)
1097 {
1098     /* this is needed for the frame to set itself up */
1099     client_get_area(self);
1100
1101     /* these things can change the decor and functions of the window */
1102
1103     client_get_mwm_hints(self);
1104     /* this can change the mwmhints for special cases */
1105     client_get_type_and_transientness(self);
1106     client_get_state(self);
1107     client_update_normal_hints(self);
1108
1109     /* get the session related properties, these can change decorations
1110        from per-app settings */
1111     client_get_session_ids(self);
1112
1113     /* now we got everything that can affect the decorations */
1114     if (!real)
1115         return;
1116
1117     /* get this early so we have it for debugging */
1118     client_update_title(self);
1119
1120     /* save the values of the variables used for app rule matching */
1121     client_save_app_rule_values(self);
1122
1123     client_update_protocols(self);
1124
1125     client_update_wmhints(self);
1126     /* this may have already been called from client_update_wmhints */
1127     if (!self->parents && !self->transient_for_group)
1128         client_update_transient_for(self);
1129
1130     client_get_startup_id(self);
1131     client_get_desktop(self);/* uses transient data/group/startup id if a
1132                                 desktop is not specified */
1133     client_get_shaped(self);
1134
1135     {
1136         /* a couple type-based defaults for new windows */
1137
1138         /* this makes sure that these windows appear on all desktops */
1139         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1140             self->desktop = DESKTOP_ALL;
1141     }
1142
1143 #ifdef SYNC
1144     client_update_sync_request_counter(self);
1145 #endif
1146
1147     client_get_colormap(self);
1148     client_update_strut(self);
1149     client_update_icons(self);
1150     client_update_icon_geometry(self);
1151 }
1152
1153 static void client_get_startup_id(ObClient *self)
1154 {
1155     if (!(OBT_PROP_GETS(self->window, NET_STARTUP_ID, utf8,
1156                         &self->startup_id)))
1157         if (self->group)
1158             OBT_PROP_GETS(self->group->leader,
1159                           NET_STARTUP_ID, utf8, &self->startup_id);
1160 }
1161
1162 static void client_get_area(ObClient *self)
1163 {
1164     XWindowAttributes wattrib;
1165     Status ret;
1166
1167     ret = XGetWindowAttributes(obt_display, self->window, &wattrib);
1168     g_assert(ret != BadWindow);
1169
1170     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1171     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1172     self->border_width = wattrib.border_width;
1173
1174     ob_debug("client area: %d %d  %d %d  bw %d", wattrib.x, wattrib.y,
1175              wattrib.width, wattrib.height, wattrib.border_width);
1176 }
1177
1178 static void client_get_desktop(ObClient *self)
1179 {
1180     guint32 d = screen_num_desktops; /* an always-invalid value */
1181
1182     if (OBT_PROP_GET32(self->window, NET_WM_DESKTOP, CARDINAL, &d)) {
1183         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1184             self->desktop = screen_num_desktops - 1;
1185         else
1186             self->desktop = d;
1187         ob_debug("client requested desktop 0x%x", self->desktop);
1188     } else {
1189         GSList *it;
1190         gboolean first = TRUE;
1191         guint all = screen_num_desktops; /* not a valid value */
1192
1193         /* if they are all on one desktop, then open it on the
1194            same desktop */
1195         for (it = self->parents; it; it = g_slist_next(it)) {
1196             ObClient *c = it->data;
1197
1198             if (c->desktop == DESKTOP_ALL) continue;
1199
1200             if (first) {
1201                 all = c->desktop;
1202                 first = FALSE;
1203             }
1204             else if (all != c->desktop)
1205                 all = screen_num_desktops; /* make it invalid */
1206         }
1207         if (all != screen_num_desktops) {
1208             self->desktop = all;
1209
1210             ob_debug("client desktop set from parents: 0x%x",
1211                      self->desktop);
1212         }
1213         /* try get from the startup-notification protocol */
1214         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1215             if (self->desktop >= screen_num_desktops &&
1216                 self->desktop != DESKTOP_ALL)
1217                 self->desktop = screen_num_desktops - 1;
1218             ob_debug("client desktop set from startup-notification: 0x%x",
1219                      self->desktop);
1220         }
1221         /* defaults to the current desktop */
1222         else {
1223             self->desktop = screen_desktop;
1224             ob_debug("client desktop set to the current desktop: %d",
1225                      self->desktop);
1226         }
1227     }
1228 }
1229
1230 static void client_get_state(ObClient *self)
1231 {
1232     guint32 *state;
1233     guint num;
1234
1235     if (OBT_PROP_GETA32(self->window, NET_WM_STATE, ATOM, &state, &num)) {
1236         gulong i;
1237         for (i = 0; i < num; ++i) {
1238             if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
1239                 self->modal = TRUE;
1240             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
1241                 self->shaded = TRUE;
1242             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
1243                 self->iconic = TRUE;
1244             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
1245                 self->skip_taskbar = TRUE;
1246             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
1247                 self->skip_pager = TRUE;
1248             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
1249                 self->fullscreen = TRUE;
1250             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
1251                 self->max_vert = TRUE;
1252             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
1253                 self->max_horz = TRUE;
1254             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
1255                 self->above = TRUE;
1256             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
1257                 self->below = TRUE;
1258             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
1259                 self->demands_attention = TRUE;
1260             else if (state[i] == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
1261                 self->undecorated = TRUE;
1262         }
1263
1264         g_free(state);
1265     }
1266 }
1267
1268 static void client_get_shaped(ObClient *self)
1269 {
1270     self->shaped = FALSE;
1271 #ifdef SHAPE
1272     if (obt_display_extension_shape) {
1273         gint foo;
1274         guint ufoo;
1275         gint s;
1276
1277         XShapeSelectInput(obt_display, self->window, ShapeNotifyMask);
1278
1279         XShapeQueryExtents(obt_display, self->window, &s, &foo,
1280                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1281                            &ufoo);
1282         self->shaped = !!s;
1283     }
1284 #endif
1285 }
1286
1287 void client_update_transient_for(ObClient *self)
1288 {
1289     Window t = None;
1290     ObClient *target = NULL;
1291     gboolean trangroup = FALSE;
1292
1293     if (XGetTransientForHint(obt_display, self->window, &t)) {
1294         if (t != self->window) { /* can't be transient to itself! */
1295             ObWindow *tw = window_find(t);
1296             /* if this happens then we need to check for it */
1297             g_assert(tw != CLIENT_AS_WINDOW(self));
1298             if (tw && WINDOW_IS_CLIENT(tw)) {
1299                 /* watch out for windows with a parent that is something
1300                    different, like a dockapp for example */
1301                 target = WINDOW_AS_CLIENT(tw);
1302             }
1303         }
1304
1305         /* Setting the transient_for to Root is actually illegal, however
1306            applications from time have done this to specify transient for
1307            their group */
1308         if (!target && self->group && t == obt_root(ob_screen))
1309             trangroup = TRUE;
1310     } else if (self->group && self->transient)
1311         trangroup = TRUE;
1312
1313     client_update_transient_tree(self, self->group, self->group,
1314                                  self->transient_for_group, trangroup,
1315                                  client_direct_parent(self), target);
1316     self->transient_for_group = trangroup;
1317
1318 }
1319
1320 static void client_update_transient_tree(ObClient *self,
1321                                          ObGroup *oldgroup, ObGroup *newgroup,
1322                                          gboolean oldgtran, gboolean newgtran,
1323                                          ObClient* oldparent,
1324                                          ObClient *newparent)
1325 {
1326     GSList *it, *next;
1327     ObClient *c;
1328
1329     g_assert(!oldgtran || oldgroup);
1330     g_assert(!newgtran || newgroup);
1331     g_assert((!oldgtran && !oldparent) ||
1332              (oldgtran && !oldparent) ||
1333              (!oldgtran && oldparent));
1334     g_assert((!newgtran && !newparent) ||
1335              (newgtran && !newparent) ||
1336              (!newgtran && newparent));
1337
1338     /* * *
1339       Group transient windows are not allowed to have other group
1340       transient windows as their children.
1341       * * */
1342
1343     /* No change has occured */
1344     if (oldgroup == newgroup &&
1345         oldgtran == newgtran &&
1346         oldparent == newparent) return;
1347
1348     /** Remove the client from the transient tree **/
1349
1350     for (it = self->transients; it; it = next) {
1351         next = g_slist_next(it);
1352         c = it->data;
1353         self->transients = g_slist_delete_link(self->transients, it);
1354         c->parents = g_slist_remove(c->parents, self);
1355     }
1356     for (it = self->parents; it; it = next) {
1357         next = g_slist_next(it);
1358         c = it->data;
1359         self->parents = g_slist_delete_link(self->parents, it);
1360         c->transients = g_slist_remove(c->transients, self);
1361     }
1362
1363     /** Re-add the client to the transient tree **/
1364
1365     /* If we're transient for a group then we need to add ourselves to all our
1366        parents */
1367     if (newgtran) {
1368         for (it = newgroup->members; it; it = g_slist_next(it)) {
1369             c = it->data;
1370             if (c != self &&
1371                 !client_search_top_direct_parent(c)->transient_for_group &&
1372                 client_normal(c))
1373             {
1374                 c->transients = g_slist_prepend(c->transients, self);
1375                 self->parents = g_slist_prepend(self->parents, c);
1376             }
1377         }
1378     }
1379
1380     /* If we are now transient for a single window we need to add ourselves to
1381        its children
1382
1383        WARNING: Cyclical transient-ness is possible if two windows are
1384        transient for eachother.
1385     */
1386     else if (newparent &&
1387              /* don't make ourself its child if it is already our child */
1388              !client_is_direct_child(self, newparent) &&
1389              client_normal(newparent))
1390     {
1391         newparent->transients = g_slist_prepend(newparent->transients, self);
1392         self->parents = g_slist_prepend(self->parents, newparent);
1393     }
1394
1395     /* Add any group transient windows to our children. But if we're transient
1396        for the group, then other group transients are not our children.
1397
1398        WARNING: Cyclical transient-ness is possible. For e.g. if:
1399        A is transient for the group
1400        B is transient for A
1401        C is transient for B
1402        A can't be transient for C or we have a cycle
1403     */
1404     if (!newgtran && newgroup &&
1405         (!newparent ||
1406          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1407         client_normal(self))
1408     {
1409         for (it = newgroup->members; it; it = g_slist_next(it)) {
1410             c = it->data;
1411             if (c != self && c->transient_for_group &&
1412                 /* Don't make it our child if it is already our parent */
1413                 !client_is_direct_child(c, self))
1414             {
1415                 self->transients = g_slist_prepend(self->transients, c);
1416                 c->parents = g_slist_prepend(c->parents, self);
1417             }
1418         }
1419     }
1420
1421     /** If we change our group transient-ness, our children change their
1422         effective group transient-ness, which affects how they relate to other
1423         group windows **/
1424
1425     for (it = self->transients; it; it = g_slist_next(it)) {
1426         c = it->data;
1427         if (!c->transient_for_group)
1428             client_update_transient_tree(c, c->group, c->group,
1429                                          c->transient_for_group,
1430                                          c->transient_for_group,
1431                                          client_direct_parent(c),
1432                                          client_direct_parent(c));
1433     }
1434 }
1435
1436 void client_get_mwm_hints(ObClient *self)
1437 {
1438     guint num;
1439     guint32 *hints;
1440
1441     self->mwmhints.flags = 0; /* default to none */
1442
1443     if (OBT_PROP_GETA32(self->window, MOTIF_WM_HINTS, MOTIF_WM_HINTS,
1444                         &hints, &num)) {
1445         if (num >= OB_MWM_ELEMENTS) {
1446             self->mwmhints.flags = hints[0];
1447             self->mwmhints.functions = hints[1];
1448             self->mwmhints.decorations = hints[2];
1449         }
1450         g_free(hints);
1451     }
1452 }
1453
1454 void client_get_type_and_transientness(ObClient *self)
1455 {
1456     guint num, i;
1457     guint32 *val;
1458     Window t;
1459
1460     self->type = -1;
1461     self->transient = FALSE;
1462
1463     if (OBT_PROP_GETA32(self->window, NET_WM_WINDOW_TYPE, ATOM, &val, &num)) {
1464         /* use the first value that we know about in the array */
1465         for (i = 0; i < num; ++i) {
1466             if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP))
1467                 self->type = OB_CLIENT_TYPE_DESKTOP;
1468             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK))
1469                 self->type = OB_CLIENT_TYPE_DOCK;
1470             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR))
1471                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1472             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU))
1473                 self->type = OB_CLIENT_TYPE_MENU;
1474             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY))
1475                 self->type = OB_CLIENT_TYPE_UTILITY;
1476             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH))
1477                 self->type = OB_CLIENT_TYPE_SPLASH;
1478             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG))
1479                 self->type = OB_CLIENT_TYPE_DIALOG;
1480             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL))
1481                 self->type = OB_CLIENT_TYPE_NORMAL;
1482             else if (val[i] == OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE))
1483             {
1484                 /* prevent this window from getting any decor or
1485                    functionality */
1486                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1487                                          OB_MWM_FLAG_DECORATIONS);
1488                 self->mwmhints.decorations = 0;
1489                 self->mwmhints.functions = 0;
1490             }
1491             if (self->type != (ObClientType) -1)
1492                 break; /* grab the first legit type */
1493         }
1494         g_free(val);
1495     }
1496
1497     if (XGetTransientForHint(obt_display, self->window, &t))
1498         self->transient = TRUE;
1499
1500     if (self->type == (ObClientType) -1) {
1501         /*the window type hint was not set, which means we either classify
1502           ourself as a normal window or a dialog, depending on if we are a
1503           transient. */
1504         if (self->transient)
1505             self->type = OB_CLIENT_TYPE_DIALOG;
1506         else
1507             self->type = OB_CLIENT_TYPE_NORMAL;
1508     }
1509
1510     /* then, based on our type, we can update our transientness.. */
1511     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1512         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1513         self->type == OB_CLIENT_TYPE_MENU ||
1514         self->type == OB_CLIENT_TYPE_UTILITY)
1515     {
1516         self->transient = TRUE;
1517     }
1518 }
1519
1520 void client_update_protocols(ObClient *self)
1521 {
1522     guint32 *proto;
1523     guint num_ret, i;
1524
1525     self->focus_notify = FALSE;
1526     self->delete_window = FALSE;
1527
1528     if (OBT_PROP_GETA32(self->window, WM_PROTOCOLS, ATOM, &proto, &num_ret)) {
1529         for (i = 0; i < num_ret; ++i) {
1530             if (proto[i] == OBT_PROP_ATOM(WM_DELETE_WINDOW))
1531                 /* this means we can request the window to close */
1532                 self->delete_window = TRUE;
1533             else if (proto[i] == OBT_PROP_ATOM(WM_TAKE_FOCUS))
1534                 /* if this protocol is requested, then the window will be
1535                    notified whenever we want it to receive focus */
1536                 self->focus_notify = TRUE;
1537             else if (proto[i] == OBT_PROP_ATOM(NET_WM_PING))
1538                 /* if this protocol is requested, then the window will allow
1539                    pings to determine if it is still alive */
1540                 self->ping = TRUE;
1541 #ifdef SYNC
1542             else if (proto[i] == OBT_PROP_ATOM(NET_WM_SYNC_REQUEST))
1543                 /* if this protocol is requested, then resizing the
1544                    window will be synchronized between the frame and the
1545                    client */
1546                 self->sync_request = TRUE;
1547 #endif
1548         }
1549         g_free(proto);
1550     }
1551 }
1552
1553 #ifdef SYNC
1554 void client_update_sync_request_counter(ObClient *self)
1555 {
1556     guint32 i;
1557
1558     if (OBT_PROP_GET32(self->window, NET_WM_SYNC_REQUEST_COUNTER, CARDINAL,&i))
1559     {
1560         XSyncValue val;
1561
1562         self->sync_counter = i;
1563
1564         /* this must be set when managing a new window according to EWMH */
1565         XSyncIntToValue(&val, 0);
1566         XSyncSetCounter(obt_display, self->sync_counter, val);
1567     } else
1568         self->sync_counter = None;
1569 }
1570 #endif
1571
1572 static void client_get_colormap(ObClient *self)
1573 {
1574     XWindowAttributes wa;
1575
1576     if (XGetWindowAttributes(obt_display, self->window, &wa))
1577         client_update_colormap(self, wa.colormap);
1578 }
1579
1580 void client_update_colormap(ObClient *self, Colormap colormap)
1581 {
1582     if (colormap == self->colormap) return;
1583
1584     ob_debug("Setting client %s colormap: 0x%x", self->title, colormap);
1585
1586     if (client_focused(self)) {
1587         screen_install_colormap(self, FALSE); /* uninstall old one */
1588         self->colormap = colormap;
1589         screen_install_colormap(self, TRUE); /* install new one */
1590     } else
1591         self->colormap = colormap;
1592 }
1593
1594 void client_update_normal_hints(ObClient *self)
1595 {
1596     XSizeHints size;
1597     glong ret;
1598
1599     /* defaults */
1600     self->min_ratio = 0.0f;
1601     self->max_ratio = 0.0f;
1602     SIZE_SET(self->size_inc, 1, 1);
1603     SIZE_SET(self->base_size, -1, -1);
1604     SIZE_SET(self->min_size, 0, 0);
1605     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1606
1607     /* get the hints from the window */
1608     if (XGetWMNormalHints(obt_display, self->window, &size, &ret)) {
1609         /* normal windows can't request placement! har har
1610         if (!client_normal(self))
1611         */
1612         self->positioned = (size.flags & (PPosition|USPosition));
1613         self->sized = (size.flags & (PSize|USSize));
1614
1615         if (size.flags & PWinGravity)
1616             self->gravity = size.win_gravity;
1617
1618         if (size.flags & PAspect) {
1619             if (size.min_aspect.y)
1620                 self->min_ratio =
1621                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1622             if (size.max_aspect.y)
1623                 self->max_ratio =
1624                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1625         }
1626
1627         if (size.flags & PMinSize)
1628             SIZE_SET(self->min_size, size.min_width, size.min_height);
1629
1630         if (size.flags & PMaxSize)
1631             SIZE_SET(self->max_size, size.max_width, size.max_height);
1632
1633         if (size.flags & PBaseSize)
1634             SIZE_SET(self->base_size, size.base_width, size.base_height);
1635
1636         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1637             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1638
1639         ob_debug("Normal hints: min size (%d %d) max size (%d %d)",
1640                  self->min_size.width, self->min_size.height,
1641                  self->max_size.width, self->max_size.height);
1642         ob_debug("size inc (%d %d) base size (%d %d)",
1643                  self->size_inc.width, self->size_inc.height,
1644                  self->base_size.width, self->base_size.height);
1645     }
1646     else
1647         ob_debug("Normal hints: not set");
1648 }
1649
1650 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1651 {
1652     /* start with everything (cept fullscreen) */
1653     self->decorations =
1654         (OB_FRAME_DECOR_TITLEBAR |
1655          OB_FRAME_DECOR_HANDLE |
1656          OB_FRAME_DECOR_GRIPS |
1657          OB_FRAME_DECOR_BORDER |
1658          OB_FRAME_DECOR_ICON |
1659          OB_FRAME_DECOR_ALLDESKTOPS |
1660          OB_FRAME_DECOR_ICONIFY |
1661          OB_FRAME_DECOR_MAXIMIZE |
1662          OB_FRAME_DECOR_SHADE |
1663          OB_FRAME_DECOR_CLOSE);
1664     self->functions =
1665         (OB_CLIENT_FUNC_RESIZE |
1666          OB_CLIENT_FUNC_MOVE |
1667          OB_CLIENT_FUNC_ICONIFY |
1668          OB_CLIENT_FUNC_MAXIMIZE |
1669          OB_CLIENT_FUNC_SHADE |
1670          OB_CLIENT_FUNC_CLOSE |
1671          OB_CLIENT_FUNC_BELOW |
1672          OB_CLIENT_FUNC_ABOVE |
1673          OB_CLIENT_FUNC_UNDECORATE);
1674
1675     if (!(self->min_size.width < self->max_size.width ||
1676           self->min_size.height < self->max_size.height))
1677         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1678
1679     switch (self->type) {
1680     case OB_CLIENT_TYPE_NORMAL:
1681         /* normal windows retain all of the possible decorations and
1682            functionality, and can be fullscreen */
1683         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1684         break;
1685
1686     case OB_CLIENT_TYPE_DIALOG:
1687         /* sometimes apps make dialog windows fullscreen for some reason (for
1688            e.g. kpdf does this..) */
1689         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1690         break;
1691
1692     case OB_CLIENT_TYPE_UTILITY:
1693         /* these windows don't have anything added or removed by default */
1694         break;
1695
1696     case OB_CLIENT_TYPE_MENU:
1697     case OB_CLIENT_TYPE_TOOLBAR:
1698         /* these windows can't iconify or maximize */
1699         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1700                                OB_FRAME_DECOR_MAXIMIZE);
1701         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1702                              OB_CLIENT_FUNC_MAXIMIZE);
1703         break;
1704
1705     case OB_CLIENT_TYPE_SPLASH:
1706         /* these don't get get any decorations, and the only thing you can
1707            do with them is move them */
1708         self->decorations = 0;
1709         self->functions = OB_CLIENT_FUNC_MOVE;
1710         break;
1711
1712     case OB_CLIENT_TYPE_DESKTOP:
1713         /* these windows are not manipulated by the window manager */
1714         self->decorations = 0;
1715         self->functions = 0;
1716         break;
1717
1718     case OB_CLIENT_TYPE_DOCK:
1719         /* these windows are not manipulated by the window manager, but they
1720            can set below layer which has a special meaning */
1721         self->decorations = 0;
1722         self->functions = OB_CLIENT_FUNC_BELOW;
1723         break;
1724     }
1725
1726     /* If the client has no decor from its type (which never changes) then
1727        don't allow the user to "undecorate" the window.  Otherwise, allow them
1728        to, even if there are motif hints removing the decor, because those
1729        may change these days (e.g. chromium) */
1730     if (self->decorations == 0)
1731         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1732
1733     /* Mwm Hints are applied subtractively to what has already been chosen for
1734        decor and functionality */
1735     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1736         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1737             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1738                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1739             {
1740                 /* if the mwm hints request no handle or title, then all
1741                    decorations are disabled, but keep the border if that's
1742                    specified */
1743                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1744                     self->decorations = OB_FRAME_DECOR_BORDER;
1745                 else
1746                     self->decorations = 0;
1747             }
1748         }
1749     }
1750
1751     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1752         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1753             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1754                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1755             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1756                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1757             /* dont let mwm hints kill any buttons
1758                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1759                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1760                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1761                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1762             */
1763             /* dont let mwm hints kill the close button
1764                if (! (self->mwmhints.functions & MwmFunc_Close))
1765                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1766         }
1767     }
1768
1769     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1770         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1771     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1772         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1773     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1774         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1775
1776     /* can't maximize without moving/resizing */
1777     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1778           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1779           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1780         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1781         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1782     }
1783
1784     if (self->max_horz && self->max_vert) {
1785         /* once upon a time you couldn't resize maximized windows, that is not
1786            the case any more though !
1787
1788            but do kill the handle on fully maxed windows */
1789         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1790     }
1791
1792     /* finally, the user can have requested no decorations, which overrides
1793        everything (but doesnt give it a border if it doesnt have one) */
1794     if (self->undecorated)
1795         self->decorations &= (config_theme_keepborder ?
1796                               OB_FRAME_DECOR_BORDER : 0);
1797
1798     /* if we don't have a titlebar, then we cannot shade! */
1799     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1800         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1801
1802     /* now we need to check against rules for the client's current state */
1803     if (self->fullscreen) {
1804         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1805                             OB_CLIENT_FUNC_FULLSCREEN |
1806                             OB_CLIENT_FUNC_ICONIFY);
1807         self->decorations = 0;
1808     }
1809
1810     client_change_allowed_actions(self);
1811
1812     if (reconfig)
1813         /* reconfigure to make sure decorations are updated */
1814         client_reconfigure(self, FALSE);
1815 }
1816
1817 static void client_change_allowed_actions(ObClient *self)
1818 {
1819     gulong actions[12];
1820     gint num = 0;
1821
1822     /* desktop windows are kept on all desktops */
1823     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1824         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
1825
1826     if (self->functions & OB_CLIENT_FUNC_SHADE)
1827         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
1828     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1829         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
1830     if (self->functions & OB_CLIENT_FUNC_MOVE)
1831         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
1832     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1833         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
1834     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1835         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
1836     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1837         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
1838     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1839         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
1840         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
1841     }
1842     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1843         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
1844     if (self->functions & OB_CLIENT_FUNC_BELOW)
1845         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
1846     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1847         actions[num++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
1848
1849     OBT_PROP_SETA32(self->window, NET_WM_ALLOWED_ACTIONS, ATOM, actions, num);
1850
1851     /* make sure the window isn't breaking any rules now
1852
1853        don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1854        it can't be iconified with its parent
1855     */
1856
1857     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1858         if (self->frame) client_shade(self, FALSE);
1859         else self->shaded = FALSE;
1860     }
1861     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1862         if (self->frame) client_fullscreen(self, FALSE);
1863         else self->fullscreen = FALSE;
1864     }
1865     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1866                                                          self->max_vert)) {
1867         if (self->frame) client_maximize(self, FALSE, 0);
1868         else self->max_vert = self->max_horz = FALSE;
1869     }
1870 }
1871
1872 void client_update_wmhints(ObClient *self)
1873 {
1874     XWMHints *hints;
1875
1876     /* assume a window takes input if it doesn't specify */
1877     self->can_focus = TRUE;
1878
1879     if ((hints = XGetWMHints(obt_display, self->window)) != NULL) {
1880         gboolean ur;
1881
1882         if (hints->flags & InputHint)
1883             self->can_focus = hints->input;
1884
1885         /* only do this when first managing the window *AND* when we aren't
1886            starting up! */
1887         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1888             if (hints->flags & StateHint)
1889                 self->iconic = hints->initial_state == IconicState;
1890
1891         ur = self->urgent;
1892         self->urgent = (hints->flags & XUrgencyHint);
1893         if (self->urgent && !ur)
1894             client_hilite(self, TRUE);
1895         else if (!self->urgent && ur && self->demands_attention)
1896             client_hilite(self, FALSE);
1897
1898         if (!(hints->flags & WindowGroupHint))
1899             hints->window_group = None;
1900
1901         /* did the group state change? */
1902         if (hints->window_group !=
1903             (self->group ? self->group->leader : None))
1904         {
1905             ObGroup *oldgroup = self->group;
1906
1907             /* remove from the old group if there was one */
1908             if (self->group) {
1909                 group_remove(self->group, self);
1910                 self->group = NULL;
1911             }
1912
1913             /* add ourself to the group if we have one */
1914             if (hints->window_group != None) {
1915                 self->group = group_add(hints->window_group, self);
1916             }
1917
1918             /* Put ourselves into the new group's transient tree, and remove
1919                ourselves from the old group's */
1920             client_update_transient_tree(self, oldgroup, self->group,
1921                                          self->transient_for_group,
1922                                          self->transient_for_group,
1923                                          client_direct_parent(self),
1924                                          client_direct_parent(self));
1925
1926             /* Lastly, being in a group, or not, can change if the window is
1927                transient for anything.
1928
1929                The logic for this is:
1930                self->transient = TRUE always if the window wants to be
1931                transient for something, even if transient_for was NULL because
1932                it wasn't in a group before.
1933
1934                If parents was NULL and oldgroup was NULL we can assume
1935                that when we add the new group, it will become transient for
1936                something.
1937
1938                If transient_for_group is TRUE, then it must have already
1939                had a group. If it is getting a new group, the above call to
1940                client_update_transient_tree has already taken care of
1941                everything ! If it is losing all group status then it will
1942                no longer be transient for anything and that needs to be
1943                updated.
1944             */
1945             if (self->transient &&
1946                 ((self->parents == NULL && oldgroup == NULL) ||
1947                  (self->transient_for_group && !self->group)))
1948                 client_update_transient_for(self);
1949         }
1950
1951         /* the WM_HINTS can contain an icon */
1952         if (hints->flags & IconPixmapHint)
1953             client_update_icons(self);
1954
1955         XFree(hints);
1956     }
1957
1958     focus_cycle_addremove(self, TRUE);
1959 }
1960
1961 void client_update_title(ObClient *self)
1962 {
1963     gchar *data = NULL;
1964     gchar *visible = NULL;
1965
1966     g_free(self->title);
1967     g_free(self->original_title);
1968
1969     /* try netwm */
1970     if (!OBT_PROP_GETS(self->window, NET_WM_NAME, utf8, &data)) {
1971         /* try old x stuff */
1972         if (!(OBT_PROP_GETS(self->window, WM_NAME, locale, &data)
1973               || OBT_PROP_GETS(self->window, WM_NAME, utf8, &data))) {
1974             if (self->transient) {
1975     /*
1976     GNOME alert windows are not given titles:
1977     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1978     */
1979                 data = g_strdup("");
1980             } else
1981                 data = g_strdup(_("Unnamed Window"));
1982         }
1983     }
1984     self->original_title = g_strdup(data);
1985
1986     if (self->client_machine) {
1987         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1988         g_free(data);
1989     } else
1990         visible = data;
1991
1992     if (self->not_responding) {
1993         data = visible;
1994         if (self->kill_level > 0)
1995             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
1996         else
1997             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
1998         g_free(data);
1999     }
2000
2001     OBT_PROP_SETS(self->window, NET_WM_VISIBLE_NAME, utf8, visible);
2002     self->title = visible;
2003
2004     if (self->frame)
2005         frame_adjust_title(self->frame);
2006
2007     /* update the icon title */
2008     data = NULL;
2009     g_free(self->icon_title);
2010
2011     /* try netwm */
2012     if (!OBT_PROP_GETS(self->window, NET_WM_ICON_NAME, utf8, &data))
2013         /* try old x stuff */
2014         if (!(OBT_PROP_GETS(self->window, WM_ICON_NAME, locale, &data) ||
2015               OBT_PROP_GETS(self->window, WM_ICON_NAME, utf8, &data)))
2016             data = g_strdup(self->title);
2017
2018     if (self->client_machine) {
2019         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2020         g_free(data);
2021     } else
2022         visible = data;
2023
2024     if (self->not_responding) {
2025         data = visible;
2026         if (self->kill_level > 0)
2027             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2028         else
2029             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2030         g_free(data);
2031     }
2032
2033     OBT_PROP_SETS(self->window, NET_WM_VISIBLE_ICON_NAME, utf8, visible);
2034     self->icon_title = visible;
2035 }
2036
2037 void client_update_strut(ObClient *self)
2038 {
2039     guint num;
2040     guint32 *data;
2041     gboolean got = FALSE;
2042     StrutPartial strut;
2043
2044     if (OBT_PROP_GETA32(self->window, NET_WM_STRUT_PARTIAL, CARDINAL,
2045                         &data, &num))
2046     {
2047         if (num == 12) {
2048             got = TRUE;
2049             STRUT_PARTIAL_SET(strut,
2050                               data[0], data[2], data[1], data[3],
2051                               data[4], data[5], data[8], data[9],
2052                               data[6], data[7], data[10], data[11]);
2053         }
2054         g_free(data);
2055     }
2056
2057     if (!got &&
2058         OBT_PROP_GETA32(self->window, NET_WM_STRUT, CARDINAL, &data, &num)) {
2059         if (num == 4) {
2060             const Rect *a;
2061
2062             got = TRUE;
2063
2064             /* use the screen's width/height */
2065             a = screen_physical_area_all_monitors();
2066
2067             STRUT_PARTIAL_SET(strut,
2068                               data[0], data[2], data[1], data[3],
2069                               a->y, a->y + a->height - 1,
2070                               a->x, a->x + a->width - 1,
2071                               a->y, a->y + a->height - 1,
2072                               a->x, a->x + a->width - 1);
2073         }
2074         g_free(data);
2075     }
2076
2077     if (!got)
2078         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2079                           0, 0, 0, 0, 0, 0, 0, 0);
2080
2081     if (!PARTIAL_STRUT_EQUAL(strut, self->strut)) {
2082         self->strut = strut;
2083
2084         /* updating here is pointless while we're being mapped cuz we're not in
2085            the client list yet */
2086         if (self->frame)
2087             screen_update_areas();
2088     }
2089 }
2090
2091 void client_update_icons(ObClient *self)
2092 {
2093     guint num;
2094     guint32 *data;
2095     guint w, h, i, j;
2096     guint num_seen;  /* number of icons present */
2097     RrImage *img;
2098
2099     img = NULL;
2100
2101     /* grab the server, because we might be setting the window's icon and
2102        we don't want them to set it in between and we overwrite their own
2103        icon */
2104     grab_server(TRUE);
2105
2106     if (OBT_PROP_GETA32(self->window, NET_WM_ICON, CARDINAL, &data, &num)) {
2107         /* figure out how many valid icons are in here */
2108         i = 0;
2109         num_seen = 0;
2110         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2111             w = data[i++];
2112             h = data[i++];
2113             /* watch for the data being too small for the specified size,
2114                or for zero sized icons. */
2115             if (i + w*h > num || w == 0 || h == 0) break;
2116
2117             /* convert it to the right bit order for ObRender */
2118             for (j = 0; j < w*h; ++j)
2119                 data[i+j] =
2120                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2121                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2122                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2123                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2124
2125             /* is it in the cache? */
2126             img = RrImageCacheFind(ob_rr_icons, &data[i], w, h);
2127             if (img) RrImageRef(img); /* own it */
2128
2129             i += w*h;
2130             ++num_seen;
2131
2132             /* don't bother looping anymore if we already found it in the cache
2133                since we'll just use that! */
2134             if (img) break;
2135         }
2136
2137         /* if it's not in the cache yet, then add it to the cache now.
2138            we have already converted it to the correct bit order above */
2139         if (!img && num_seen > 0) {
2140             img = RrImageNew(ob_rr_icons);
2141             i = 0;
2142             for (j = 0; j < num_seen; ++j) {
2143                 w = data[i++];
2144                 h = data[i++];
2145                 RrImageAddPicture(img, &data[i], w, h);
2146                 i += w*h;
2147             }
2148         }
2149
2150         g_free(data);
2151     }
2152
2153     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2154        legacy X hints */
2155     if (!img) {
2156         XWMHints *hints;
2157
2158         if ((hints = XGetWMHints(obt_display, self->window))) {
2159             if (hints->flags & IconPixmapHint) {
2160                 gboolean xicon;
2161                 obt_display_ignore_errors(TRUE);
2162                 xicon = RrPixmapToRGBA(ob_rr_inst,
2163                                        hints->icon_pixmap,
2164                                        (hints->flags & IconMaskHint ?
2165                                         hints->icon_mask : None),
2166                                        (gint*)&w, (gint*)&h, &data);
2167                 obt_display_ignore_errors(FALSE);
2168
2169                 if (xicon) {
2170                     if (w > 0 && h > 0) {
2171                         /* is this icon in the cache yet? */
2172                         img = RrImageCacheFind(ob_rr_icons, data, w, h);
2173                         if (img) RrImageRef(img); /* own it */
2174
2175                         /* if not, then add it */
2176                         if (!img) {
2177                             img = RrImageNew(ob_rr_icons);
2178                             RrImageAddPicture(img, data, w, h);
2179                         }
2180                     }
2181
2182                     g_free(data);
2183                 }
2184             }
2185             XFree(hints);
2186         }
2187     }
2188
2189     /* set the client's icons to be whatever we found */
2190     RrImageUnref(self->icon_set);
2191     self->icon_set = img;
2192
2193     /* if the client has no icon at all, then we set a default icon onto it.
2194        but, if it has parents, then one of them will have an icon already
2195     */
2196     if (!self->icon_set && !self->parents) {
2197         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2198         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2199
2200         w = ob_rr_theme->def_win_icon_w;
2201         h = ob_rr_theme->def_win_icon_h;
2202         ldata = g_new(gulong, w*h+2);
2203         ldata[0] = w;
2204         ldata[1] = h;
2205         for (i = 0; i < w*h; ++i)
2206             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2207                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2208                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2209                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2210         OBT_PROP_SETA32(self->window, NET_WM_ICON, CARDINAL, ldata, w*h+2);
2211         g_free(ldata);
2212     } else if (self->frame)
2213         /* don't draw the icon empty if we're just setting one now anyways,
2214            we'll get the property change any second */
2215         frame_adjust_icon(self->frame);
2216
2217     grab_server(FALSE);
2218 }
2219
2220 void client_update_icon_geometry(ObClient *self)
2221 {
2222     guint num;
2223     guint32 *data;
2224
2225     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2226
2227     if (OBT_PROP_GETA32(self->window, NET_WM_ICON_GEOMETRY, CARDINAL,
2228                         &data, &num))
2229     {
2230         if (num == 4)
2231             /* don't let them set it with an area < 0 */
2232             RECT_SET(self->icon_geometry, data[0], data[1],
2233                      MAX(data[2],0), MAX(data[3],0));
2234         g_free(data);
2235     }
2236 }
2237
2238 static void client_get_session_ids(ObClient *self)
2239 {
2240     guint32 leader;
2241     gboolean got;
2242     gchar *s;
2243     gchar **ss;
2244
2245     if (!OBT_PROP_GET32(self->window, WM_CLIENT_LEADER, WINDOW, &leader))
2246         leader = None;
2247
2248     /* get the SM_CLIENT_ID */
2249     got = FALSE;
2250     if (leader)
2251         got = OBT_PROP_GETS(leader, SM_CLIENT_ID, locale, &self->sm_client_id);
2252     if (!got)
2253         OBT_PROP_GETS(self->window, SM_CLIENT_ID, locale, &self->sm_client_id);
2254
2255     /* get the WM_CLASS (name and class). make them "" if they are not
2256        provided */
2257     got = FALSE;
2258     if (leader)
2259         got = OBT_PROP_GETSS(leader, WM_CLASS, locale, &ss);
2260     if (!got)
2261         got = OBT_PROP_GETSS(self->window, WM_CLASS, locale, &ss);
2262
2263     if (got) {
2264         if (ss[0]) {
2265             self->name = g_strdup(ss[0]);
2266             if (ss[1])
2267                 self->class = g_strdup(ss[1]);
2268         }
2269         g_strfreev(ss);
2270     }
2271
2272     if (self->name == NULL) self->name = g_strdup("");
2273     if (self->class == NULL) self->class = g_strdup("");
2274
2275     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2276     got = FALSE;
2277     if (leader)
2278         got = OBT_PROP_GETS(leader, WM_WINDOW_ROLE, locale, &s);
2279     if (!got)
2280         got = OBT_PROP_GETS(self->window, WM_WINDOW_ROLE, locale, &s);
2281
2282     if (got)
2283         self->role = s;
2284     else
2285         self->role = g_strdup("");
2286
2287     /* get the WM_COMMAND */
2288     got = FALSE;
2289
2290     if (leader)
2291         got = OBT_PROP_GETSS(leader, WM_COMMAND, locale, &ss);
2292     if (!got)
2293         got = OBT_PROP_GETSS(self->window, WM_COMMAND, locale, &ss);
2294
2295     if (got) {
2296         /* merge/mash them all together */
2297         gchar *merge = NULL;
2298         gint i;
2299
2300         for (i = 0; ss[i]; ++i) {
2301             gchar *tmp = merge;
2302             if (merge)
2303                 merge = g_strconcat(merge, ss[i], NULL);
2304             else
2305                 merge = g_strconcat(ss[i], NULL);
2306             g_free(tmp);
2307         }
2308         g_strfreev(ss);
2309
2310         self->wm_command = merge;
2311     }
2312
2313     /* get the WM_CLIENT_MACHINE */
2314     got = FALSE;
2315     if (leader)
2316         got = OBT_PROP_GETS(leader, WM_CLIENT_MACHINE, locale, &s);
2317     if (!got)
2318         got = OBT_PROP_GETS(self->window, WM_CLIENT_MACHINE, locale, &s);
2319
2320     if (got) {
2321         gchar localhost[128];
2322         guint32 pid;
2323
2324         gethostname(localhost, 127);
2325         localhost[127] = '\0';
2326         if (strcmp(localhost, s) != 0)
2327             self->client_machine = s;
2328         else
2329             g_free(s);
2330
2331         /* see if it has the PID set too (the PID requires that the
2332            WM_CLIENT_MACHINE be set) */
2333         if (OBT_PROP_GET32(self->window, NET_WM_PID, CARDINAL, &pid))
2334             self->pid = pid;
2335     }
2336 }
2337
2338 /*! Save the properties used for app matching rules, as seen by Openbox when
2339   the window mapped, so that users can still access them later if the app
2340   changes them */
2341 static void client_save_app_rule_values(ObClient *self)
2342 {
2343     const gchar *type;
2344
2345     OBT_PROP_SETS(self->window, OB_APP_ROLE, utf8, self->role);
2346     OBT_PROP_SETS(self->window, OB_APP_NAME, utf8, self->name);
2347     OBT_PROP_SETS(self->window, OB_APP_CLASS, utf8, self->class);
2348     OBT_PROP_SETS(self->window, OB_APP_TITLE, utf8, self->original_title);
2349
2350     switch (self->type) {
2351     case OB_CLIENT_TYPE_NORMAL:
2352         type = "normal"; break;
2353     case OB_CLIENT_TYPE_DIALOG:
2354         type = "dialog"; break;
2355     case OB_CLIENT_TYPE_UTILITY:
2356         type = "utility"; break;
2357     case OB_CLIENT_TYPE_MENU:
2358         type = "menu"; break;
2359     case OB_CLIENT_TYPE_TOOLBAR:
2360         type = "toolbar"; break;
2361     case OB_CLIENT_TYPE_SPLASH:
2362         type = "splash"; break;
2363     case OB_CLIENT_TYPE_DESKTOP:
2364         type = "desktop"; break;
2365     case OB_CLIENT_TYPE_DOCK:
2366         type = "dock"; break;
2367     }
2368     OBT_PROP_SETS(self->window, OB_APP_TYPE, utf8, type);
2369 }
2370
2371 static void client_change_wm_state(ObClient *self)
2372 {
2373     gulong state[2];
2374     glong old;
2375
2376     old = self->wmstate;
2377
2378     if (self->shaded || self->iconic ||
2379         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2380     {
2381         self->wmstate = IconicState;
2382     } else
2383         self->wmstate = NormalState;
2384
2385     if (old != self->wmstate) {
2386         OBT_PROP_MSG(ob_screen, self->window, KDE_WM_CHANGE_STATE,
2387                      self->wmstate, 1, 0, 0, 0);
2388
2389         state[0] = self->wmstate;
2390         state[1] = None;
2391         OBT_PROP_SETA32(self->window, WM_STATE, WM_STATE, state, 2);
2392     }
2393 }
2394
2395 static void client_change_state(ObClient *self)
2396 {
2397     gulong netstate[12];
2398     guint num;
2399
2400     num = 0;
2401     if (self->modal)
2402         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
2403     if (self->shaded)
2404         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
2405     if (self->iconic)
2406         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
2407     if (self->skip_taskbar)
2408         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
2409     if (self->skip_pager)
2410         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
2411     if (self->fullscreen)
2412         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
2413     if (self->max_vert)
2414         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
2415     if (self->max_horz)
2416         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
2417     if (self->above)
2418         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
2419     if (self->below)
2420         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
2421     if (self->demands_attention)
2422         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
2423     if (self->undecorated)
2424         netstate[num++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
2425     OBT_PROP_SETA32(self->window, NET_WM_STATE, ATOM, netstate, num);
2426
2427     if (self->frame)
2428         frame_adjust_state(self->frame);
2429 }
2430
2431 ObClient *client_search_focus_tree(ObClient *self)
2432 {
2433     GSList *it;
2434     ObClient *ret;
2435
2436     for (it = self->transients; it; it = g_slist_next(it)) {
2437         if (client_focused(it->data)) return it->data;
2438         if ((ret = client_search_focus_tree(it->data))) return ret;
2439     }
2440     return NULL;
2441 }
2442
2443 ObClient *client_search_focus_tree_full(ObClient *self)
2444 {
2445     if (self->parents) {
2446         GSList *it;
2447
2448         for (it = self->parents; it; it = g_slist_next(it)) {
2449             ObClient *c = it->data;
2450             if ((c = client_search_focus_tree_full(c))) return c;
2451         }
2452
2453         return NULL;
2454     }
2455     else {
2456         /* this function checks the whole tree, the client_search_focus_tree
2457            does not, so we need to check this window */
2458         if (client_focused(self))
2459             return self;
2460         return client_search_focus_tree(self);
2461     }
2462 }
2463
2464 ObClient *client_search_focus_group_full(ObClient *self)
2465 {
2466     GSList *it;
2467
2468     if (self->group) {
2469         for (it = self->group->members; it; it = g_slist_next(it)) {
2470             ObClient *c = it->data;
2471
2472             if (client_focused(c)) return c;
2473             if ((c = client_search_focus_tree(it->data))) return c;
2474         }
2475     } else
2476         if (client_focused(self)) return self;
2477     return NULL;
2478 }
2479
2480 gboolean client_has_parent(ObClient *self)
2481 {
2482     return self->parents != NULL;
2483 }
2484
2485 gboolean client_is_oldfullscreen(const ObClient *self,
2486                                  const Rect *area)
2487 {
2488     const Rect *monitor, *allmonitors;
2489
2490     /* No decorations and fills the monitor = oldskool fullscreen.
2491        But not for maximized windows.
2492     */
2493
2494     if (self->decorations || self->max_horz || self->max_vert) return FALSE;
2495
2496     monitor = screen_physical_area_monitor(screen_find_monitor(area));
2497     allmonitors = screen_physical_area_all_monitors();
2498
2499     return (RECT_EQUAL(*area, *monitor) ||
2500             RECT_EQUAL(*area, *allmonitors));
2501 }
2502
2503 static ObStackingLayer calc_layer(ObClient *self)
2504 {
2505     ObStackingLayer l;
2506
2507     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2508         l = OB_STACKING_LAYER_DESKTOP;
2509     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2510         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2511         else l = OB_STACKING_LAYER_ABOVE;
2512     }
2513     else if ((self->fullscreen ||
2514               client_is_oldfullscreen(self, &self->area)) &&
2515              /* you are fullscreen while you or your children are focused.. */
2516              (client_focused(self) || client_search_focus_tree(self) ||
2517               /* you can be fullscreen if you're on another desktop */
2518               (self->desktop != screen_desktop &&
2519                self->desktop != DESKTOP_ALL) ||
2520               /* and you can also be fullscreen if the focused client is on
2521                  another monitor, or nothing else is focused */
2522               (!focus_client ||
2523                client_monitor(focus_client) != client_monitor(self))))
2524         l = OB_STACKING_LAYER_FULLSCREEN;
2525     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2526     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2527     else l = OB_STACKING_LAYER_NORMAL;
2528
2529     return l;
2530 }
2531
2532 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2533                                         ObStackingLayer min)
2534 {
2535     ObStackingLayer old, own;
2536     GSList *it;
2537
2538     old = self->layer;
2539     own = calc_layer(self);
2540     self->layer = MAX(own, min);
2541
2542     if (self->layer != old) {
2543         stacking_remove(CLIENT_AS_WINDOW(self));
2544         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2545     }
2546
2547     /* we've been restacked */
2548     self->visited = TRUE;
2549
2550     for (it = self->transients; it; it = g_slist_next(it))
2551         client_calc_layer_recursive(it->data, orig,
2552                                     self->layer);
2553 }
2554
2555 static void client_calc_layer_internal(ObClient *self)
2556 {
2557     GSList *sit;
2558
2559     /* transients take on the layer of their parents */
2560     sit = client_search_all_top_parents(self);
2561
2562     for (; sit; sit = g_slist_next(sit))
2563         client_calc_layer_recursive(sit->data, self, 0);
2564 }
2565
2566 void client_calc_layer(ObClient *self)
2567 {
2568     GList *it;
2569
2570     /* skip over stuff above fullscreen layer */
2571     for (it = stacking_list; it; it = g_list_next(it))
2572         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2573
2574     /* find the windows in the fullscreen layer, and mark them not-visited */
2575     for (; it; it = g_list_next(it)) {
2576         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2577         else if (WINDOW_IS_CLIENT(it->data))
2578             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2579     }
2580
2581     client_calc_layer_internal(self);
2582
2583     /* skip over stuff above fullscreen layer */
2584     for (it = stacking_list; it; it = g_list_next(it))
2585         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2586
2587     /* now recalc any windows in the fullscreen layer which have not
2588        had their layer recalced already */
2589     for (; it; it = g_list_next(it)) {
2590         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2591         else if (WINDOW_IS_CLIENT(it->data) &&
2592                  !WINDOW_AS_CLIENT(it->data)->visited)
2593             client_calc_layer_internal(it->data);
2594     }
2595 }
2596
2597 gboolean client_should_show(ObClient *self)
2598 {
2599     if (self->iconic)
2600         return FALSE;
2601     if (client_normal(self) && screen_showing_desktop)
2602         return FALSE;
2603     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2604         return TRUE;
2605
2606     return FALSE;
2607 }
2608
2609 gboolean client_show(ObClient *self)
2610 {
2611     gboolean show = FALSE;
2612
2613     if (client_should_show(self)) {
2614         /* replay pending pointer event before showing the window, in case it
2615            should be going to something under the window */
2616         mouse_replay_pointer();
2617
2618         frame_show(self->frame);
2619         show = TRUE;
2620
2621         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2622            it needs to be in IconicState. This includes when it is on another
2623            desktop!
2624         */
2625         client_change_wm_state(self);
2626     }
2627     return show;
2628 }
2629
2630 gboolean client_hide(ObClient *self)
2631 {
2632     gboolean hide = FALSE;
2633
2634     if (!client_should_show(self)) {
2635         /* We don't need to ignore enter events here.
2636            The window can hide/iconify in 3 different ways:
2637            1 - through an x message. in this case we ignore all enter events
2638                caused by responding to the x message (unless underMouse)
2639            2 - by a keyboard action. in this case we ignore all enter events
2640                caused by the action
2641            3 - by a mouse action. in this case they are doing stuff with the
2642                mouse and focus _should_ move.
2643
2644            Also in action_end, we simulate an enter event that can't be ignored
2645            so trying to ignore them is futile in case 3 anyways
2646         */
2647
2648         /* replay pending pointer event before hiding the window, in case it
2649            should be going to the window */
2650         mouse_replay_pointer();
2651
2652         frame_hide(self->frame);
2653         hide = TRUE;
2654
2655         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2656            it needs to be in IconicState. This includes when it is on another
2657            desktop!
2658         */
2659         client_change_wm_state(self);
2660     }
2661     return hide;
2662 }
2663
2664 void client_showhide(ObClient *self)
2665 {
2666     if (!client_show(self))
2667         client_hide(self);
2668 }
2669
2670 gboolean client_normal(ObClient *self) {
2671     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2672               self->type == OB_CLIENT_TYPE_DOCK ||
2673               self->type == OB_CLIENT_TYPE_SPLASH);
2674 }
2675
2676 gboolean client_helper(ObClient *self)
2677 {
2678     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2679             self->type == OB_CLIENT_TYPE_MENU ||
2680             self->type == OB_CLIENT_TYPE_TOOLBAR);
2681 }
2682
2683 gboolean client_mouse_focusable(ObClient *self)
2684 {
2685     return !(self->type == OB_CLIENT_TYPE_MENU ||
2686              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2687              self->type == OB_CLIENT_TYPE_SPLASH ||
2688              self->type == OB_CLIENT_TYPE_DOCK);
2689 }
2690
2691 gboolean client_enter_focusable(ObClient *self)
2692 {
2693     /* you can focus desktops but it shouldn't on enter */
2694     return (client_mouse_focusable(self) &&
2695             self->type != OB_CLIENT_TYPE_DESKTOP);
2696 }
2697
2698 static void client_apply_startup_state(ObClient *self,
2699                                        gint x, gint y, gint w, gint h)
2700 {
2701     /* save the states that we are going to apply */
2702     gboolean iconic = self->iconic;
2703     gboolean fullscreen = self->fullscreen;
2704     gboolean undecorated = self->undecorated;
2705     gboolean shaded = self->shaded;
2706     gboolean demands_attention = self->demands_attention;
2707     gboolean max_horz = self->max_horz;
2708     gboolean max_vert = self->max_vert;
2709     Rect oldarea;
2710     gint l;
2711
2712     /* turn them all off in the client, so they won't affect the window
2713        being placed */
2714     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2715         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2716
2717     /* move the client to its placed position, or it it's already there,
2718        generate a ConfigureNotify telling the client where it is.
2719
2720        do this after adjusting the frame. otherwise it gets all weird and
2721        clients don't work right
2722
2723        do this before applying the states so they have the correct
2724        pre-max/pre-fullscreen values
2725     */
2726     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2727     ob_debug("placed window 0x%x at %d, %d with size %d x %d",
2728              self->window, x, y, w, h);
2729     /* save the area, and make it where it should be for the premax stuff */
2730     oldarea = self->area;
2731     RECT_SET(self->area, x, y, w, h);
2732
2733     /* apply the states. these are in a carefully crafted order.. */
2734
2735     if (iconic)
2736         client_iconify(self, TRUE, FALSE, TRUE);
2737     if (fullscreen)
2738         client_fullscreen(self, TRUE);
2739     if (undecorated)
2740         client_set_undecorated(self, TRUE);
2741     if (shaded)
2742         client_shade(self, TRUE);
2743     if (demands_attention)
2744         client_hilite(self, TRUE);
2745
2746     if (max_vert && max_horz)
2747         client_maximize(self, TRUE, 0);
2748     else if (max_vert)
2749         client_maximize(self, TRUE, 2);
2750     else if (max_horz)
2751         client_maximize(self, TRUE, 1);
2752
2753     /* if the window hasn't been configured yet, then do so now, in fact the
2754        x,y,w,h may _not_ be the same as the area rect, which can end up
2755        meaning that the client isn't properly moved/resized by the fullscreen
2756        function
2757        pho can cause this because it maps at size of the screen but not 0,0
2758        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2759        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2760        cuz thats where the pre-fullscreen will be. however the actual area is
2761        not, so this needs to be called even if we have fullscreened/maxed
2762     */
2763     self->area = oldarea;
2764     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2765
2766     /* set the desktop hint, to make sure that it always exists */
2767     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
2768
2769     /* nothing to do for the other states:
2770        skip_taskbar
2771        skip_pager
2772        modal
2773        above
2774        below
2775     */
2776 }
2777
2778 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2779 {
2780     /* these should be the current values. this is for when you're not moving,
2781        just resizing */
2782     g_assert(*x == self->area.x);
2783     g_assert(oldw == self->area.width);
2784
2785     /* horizontal */
2786     switch (self->gravity) {
2787     default:
2788     case NorthWestGravity:
2789     case WestGravity:
2790     case SouthWestGravity:
2791     case StaticGravity:
2792     case ForgetGravity:
2793         break;
2794     case NorthGravity:
2795     case CenterGravity:
2796     case SouthGravity:
2797         *x -= (neww - oldw) / 2;
2798         break;
2799     case NorthEastGravity:
2800     case EastGravity:
2801     case SouthEastGravity:
2802         *x -= neww - oldw;
2803         break;
2804     }
2805 }
2806
2807 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2808 {
2809     /* these should be the current values. this is for when you're not moving,
2810        just resizing */
2811     g_assert(*y == self->area.y);
2812     g_assert(oldh == self->area.height);
2813
2814     /* vertical */
2815     switch (self->gravity) {
2816     default:
2817     case NorthWestGravity:
2818     case NorthGravity:
2819     case NorthEastGravity:
2820     case StaticGravity:
2821     case ForgetGravity:
2822         break;
2823     case WestGravity:
2824     case CenterGravity:
2825     case EastGravity:
2826         *y -= (newh - oldh) / 2;
2827         break;
2828     case SouthWestGravity:
2829     case SouthGravity:
2830     case SouthEastGravity:
2831         *y -= newh - oldh;
2832         break;
2833     }
2834 }
2835
2836 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2837                           gint *logicalw, gint *logicalh,
2838                           gboolean user)
2839 {
2840     Rect desired = {*x, *y, *w, *h};
2841     frame_rect_to_frame(self->frame, &desired);
2842
2843     /* make the frame recalculate its dimensions n shit without changing
2844        anything visible for real, this way the constraints below can work with
2845        the updated frame dimensions. */
2846     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2847
2848     /* gets the frame's position */
2849     frame_client_gravity(self->frame, x, y);
2850
2851     /* these positions are frame positions, not client positions */
2852
2853     /* set the size and position if fullscreen */
2854     if (self->fullscreen) {
2855         const Rect *a;
2856         guint i;
2857
2858         i = screen_find_monitor(&desired);
2859         a = screen_physical_area_monitor(i);
2860
2861         *x = a->x;
2862         *y = a->y;
2863         *w = a->width;
2864         *h = a->height;
2865
2866         user = FALSE; /* ignore if the client can't be moved/resized when it
2867                          is fullscreening */
2868     } else if (self->max_horz || self->max_vert) {
2869         Rect *a;
2870         guint i;
2871
2872         /* use all possible struts when maximizing to the full screen */
2873         i = screen_find_monitor(&desired);
2874         a = screen_area(self->desktop, i,
2875                         (self->max_horz && self->max_vert ? NULL : &desired));
2876
2877         /* set the size and position if maximized */
2878         if (self->max_horz) {
2879             *x = a->x;
2880             *w = a->width - self->frame->size.left - self->frame->size.right;
2881         }
2882         if (self->max_vert) {
2883             *y = a->y;
2884             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2885         }
2886
2887         user = FALSE; /* ignore if the client can't be moved/resized when it
2888                          is maximizing */
2889
2890         g_slice_free(Rect, a);
2891     }
2892
2893     /* gets the client's position */
2894     frame_frame_gravity(self->frame, x, y);
2895
2896     /* work within the preferred sizes given by the window, these may have
2897        changed rather than it's requested width and height, so always run
2898        through this code */
2899     {
2900         gint basew, baseh, minw, minh;
2901         gint incw, inch, maxw, maxh;
2902         gfloat minratio, maxratio;
2903
2904         incw = self->size_inc.width;
2905         inch = self->size_inc.height;
2906         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2907             0 : self->min_ratio;
2908         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2909             0 : self->max_ratio;
2910
2911         /* base size is substituted with min size if not specified */
2912         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
2913             basew = self->base_size.width;
2914             baseh = self->base_size.height;
2915         } else {
2916             basew = self->min_size.width;
2917             baseh = self->min_size.height;
2918         }
2919         /* min size is substituted with base size if not specified */
2920         if (self->min_size.width || self->min_size.height) {
2921             minw = self->min_size.width;
2922             minh = self->min_size.height;
2923         } else {
2924             minw = self->base_size.width;
2925             minh = self->base_size.height;
2926         }
2927
2928         /* This comment is no longer true */
2929         /* if this is a user-requested resize, then check against min/max
2930            sizes */
2931
2932         /* smaller than min size or bigger than max size? */
2933         if (*w > self->max_size.width) *w = self->max_size.width;
2934         if (*w < minw) *w = minw;
2935         if (*h > self->max_size.height) *h = self->max_size.height;
2936         if (*h < minh) *h = minh;
2937
2938         *w -= basew;
2939         *h -= baseh;
2940
2941         /* the sizes to used for maximized */
2942         maxw = *w;
2943         maxh = *h;
2944
2945         /* keep to the increments */
2946         *w /= incw;
2947         *h /= inch;
2948
2949         /* you cannot resize to nothing */
2950         if (basew + *w < 1) *w = 1 - basew;
2951         if (baseh + *h < 1) *h = 1 - baseh;
2952
2953         /* save the logical size */
2954         *logicalw = incw > 1 ? *w : *w + basew;
2955         *logicalh = inch > 1 ? *h : *h + baseh;
2956
2957         *w *= incw;
2958         *h *= inch;
2959
2960         /* if maximized/fs then don't use the size increments */
2961         if (self->fullscreen || self->max_horz) *w = maxw;
2962         if (self->fullscreen || self->max_vert) *h = maxh;
2963
2964         *w += basew;
2965         *h += baseh;
2966
2967         /* adjust the height to match the width for the aspect ratios.
2968            for this, min size is not substituted for base size ever. */
2969         *w -= self->base_size.width;
2970         *h -= self->base_size.height;
2971
2972         if (minratio)
2973             if (*h * minratio > *w) {
2974                 *h = (gint)(*w / minratio);
2975
2976                 /* you cannot resize to nothing */
2977                 if (*h < 1) {
2978                     *h = 1;
2979                     *w = (gint)(*h * minratio);
2980                 }
2981             }
2982         if (maxratio)
2983             if (*h * maxratio < *w) {
2984                 *h = (gint)(*w / maxratio);
2985
2986                 /* you cannot resize to nothing */
2987                 if (*h < 1) {
2988                     *h = 1;
2989                     *w = (gint)(*h * minratio);
2990                 }
2991             }
2992
2993         *w += self->base_size.width;
2994         *h += self->base_size.height;
2995     }
2996
2997     /* these override the above states! if you cant move you can't move! */
2998     if (user) {
2999         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
3000             *x = self->area.x;
3001             *y = self->area.y;
3002         }
3003         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
3004             *w = self->area.width;
3005             *h = self->area.height;
3006         }
3007     }
3008
3009     g_assert(*w > 0);
3010     g_assert(*h > 0);
3011 }
3012
3013 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
3014                       gboolean user, gboolean final, gboolean force_reply)
3015 {
3016     Rect oldframe, oldclient;
3017     gboolean send_resize_client;
3018     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
3019     gboolean fmoved, fresized;
3020     guint fdecor = self->frame->decorations;
3021     gboolean fhorz = self->frame->max_horz;
3022     gboolean fvert = self->frame->max_vert;
3023     gint logicalw, logicalh;
3024
3025     /* find the new x, y, width, and height (and logical size) */
3026     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
3027
3028     /* set the logical size if things changed */
3029     if (!(w == self->area.width && h == self->area.height))
3030         SIZE_SET(self->logical_size, logicalw, logicalh);
3031
3032     /* figure out if we moved or resized or what */
3033     moved = (x != self->area.x || y != self->area.y);
3034     resized = (w != self->area.width || h != self->area.height);
3035
3036     oldframe = self->frame->area;
3037     oldclient = self->area;
3038     RECT_SET(self->area, x, y, w, h);
3039
3040     /* for app-requested resizes, always resize if 'resized' is true.
3041        for user-requested ones, only resize if final is true, or when
3042        resizing in redraw mode */
3043     send_resize_client = ((!user && resized) ||
3044                           (user && (final ||
3045                                     (resized && config_resize_redraw))));
3046
3047     /* if the client is enlarging, then resize the client before the frame */
3048     if (send_resize_client && (w > oldclient.width || h > oldclient.height)) {
3049         XMoveResizeWindow(obt_display, self->window,
3050                           self->frame->size.left, self->frame->size.top,
3051                           MAX(w, oldclient.width), MAX(h, oldclient.height));
3052         frame_adjust_client_area(self->frame);
3053     }
3054
3055     /* find the frame's dimensions and move/resize it */
3056     fmoved = moved;
3057     fresized = resized;
3058
3059     /* if decorations changed, then readjust everything for the frame */
3060     if (self->decorations != fdecor ||
3061         self->max_horz != fhorz || self->max_vert != fvert)
3062     {
3063         fmoved = fresized = TRUE;
3064     }
3065
3066     /* adjust the frame */
3067     if (fmoved || fresized) {
3068         gulong ignore_start;
3069         if (!user)
3070             ignore_start = event_start_ignore_all_enters();
3071
3072         /* replay pending pointer event before move the window, in case it
3073            would change what window gets the event */
3074         mouse_replay_pointer();
3075
3076         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
3077
3078         if (!user)
3079             event_end_ignore_all_enters(ignore_start);
3080     }
3081
3082     if (!user || final) {
3083         gint oldrx = self->root_pos.x;
3084         gint oldry = self->root_pos.y;
3085         /* we have reset the client to 0 border width, so don't include
3086            it in these coords */
3087         POINT_SET(self->root_pos,
3088                   self->frame->area.x + self->frame->size.left -
3089                   self->border_width,
3090                   self->frame->area.y + self->frame->size.top -
3091                   self->border_width);
3092         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3093             rootmoved = TRUE;
3094     }
3095
3096     /* This is kinda tricky and should not be changed.. let me explain!
3097
3098        When user = FALSE, then the request is coming from the application
3099        itself, and we are more strict about when to send a synthetic
3100        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3101        in this case (or send one if force_reply is true)
3102
3103        When user = TRUE, then the request is coming from "us", like when we
3104        maximize a window or something.  In this case we are more lenient.  We
3105        used to follow the same rules as above, but _Java_ Swing can't handle
3106        this. So just to appease Swing, when user = TRUE, we always send
3107        a synthetic ConfigureNotify to give the window its root coordinates.
3108        Lastly, if force_reply is TRUE, we always send a
3109        ConfigureNotify, which is needed during a resize with XSYNCronization.
3110     */
3111     if ((!user && !resized && (rootmoved || force_reply)) ||
3112         (user && ((!resized && force_reply) || (final && rootmoved))))
3113     {
3114         XEvent event;
3115
3116         event.type = ConfigureNotify;
3117         event.xconfigure.display = obt_display;
3118         event.xconfigure.event = self->window;
3119         event.xconfigure.window = self->window;
3120
3121         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d",
3122                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3123
3124         /* root window real coords */
3125         event.xconfigure.x = self->root_pos.x;
3126         event.xconfigure.y = self->root_pos.y;
3127         event.xconfigure.width = w;
3128         event.xconfigure.height = h;
3129         event.xconfigure.border_width = self->border_width;
3130         event.xconfigure.above = None;
3131         event.xconfigure.override_redirect = FALSE;
3132         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3133                    FALSE, StructureNotifyMask, &event);
3134     }
3135
3136     /* if the client is shrinking, then resize the frame before the client.
3137
3138        both of these resize sections may run, because the top one only resizes
3139        in the direction that is growing
3140      */
3141     if (send_resize_client && (w <= oldclient.width || h <= oldclient.height))
3142     {
3143         frame_adjust_client_area(self->frame);
3144         XMoveResizeWindow(obt_display, self->window,
3145                           self->frame->size.left, self->frame->size.top, w, h);
3146     }
3147
3148     XFlush(obt_display);
3149
3150     /* if it moved between monitors, then this can affect the stacking
3151        layer of this window or others - for fullscreen windows.
3152        also if it changed to/from oldschool fullscreen then its layer may
3153        change
3154
3155        watch out tho, don't try change stacking stuff if the window is no
3156        longer being managed !
3157     */
3158     if (self->managed &&
3159         (screen_find_monitor(&self->frame->area) !=
3160          screen_find_monitor(&oldframe) ||
3161          (final && (client_is_oldfullscreen(self, &oldclient) !=
3162                     client_is_oldfullscreen(self, &self->area)))))
3163     {
3164         client_calc_layer(self);
3165     }
3166 }
3167
3168 void client_fullscreen(ObClient *self, gboolean fs)
3169 {
3170     gint x, y, w, h;
3171
3172     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3173         self->fullscreen == fs) return;                   /* already done */
3174
3175     self->fullscreen = fs;
3176     client_change_state(self); /* change the state hints on the client */
3177
3178     if (fs) {
3179         self->pre_fullscreen_area = self->area;
3180         self->pre_fullscreen_max_horz = self->max_horz;
3181         self->pre_fullscreen_max_vert = self->max_vert;
3182
3183         /* if the window is maximized, its area isn't all that meaningful.
3184            save its premax area instead. */
3185         if (self->max_horz) {
3186             self->pre_fullscreen_area.x = self->pre_max_area.x;
3187             self->pre_fullscreen_area.width = self->pre_max_area.width;
3188         }
3189         if (self->max_vert) {
3190             self->pre_fullscreen_area.y = self->pre_max_area.y;
3191             self->pre_fullscreen_area.height = self->pre_max_area.height;
3192         }
3193
3194         /* these will help configure_full figure out where to fullscreen
3195            the window */
3196         x = self->area.x;
3197         y = self->area.y;
3198         w = self->area.width;
3199         h = self->area.height;
3200     } else {
3201         g_assert(self->pre_fullscreen_area.width > 0 &&
3202                  self->pre_fullscreen_area.height > 0);
3203
3204         self->max_horz = self->pre_fullscreen_max_horz;
3205         self->max_vert = self->pre_fullscreen_max_vert;
3206         if (self->max_horz) {
3207             self->pre_max_area.x = self->pre_fullscreen_area.x;
3208             self->pre_max_area.width = self->pre_fullscreen_area.width;
3209         }
3210         if (self->max_vert) {
3211             self->pre_max_area.y = self->pre_fullscreen_area.y;
3212             self->pre_max_area.height = self->pre_fullscreen_area.height;
3213         }
3214
3215         x = self->pre_fullscreen_area.x;
3216         y = self->pre_fullscreen_area.y;
3217         w = self->pre_fullscreen_area.width;
3218         h = self->pre_fullscreen_area.height;
3219         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3220     }
3221
3222     ob_debug("Window %s going fullscreen (%d)",
3223              self->title, self->fullscreen);
3224
3225     if (fs) {
3226         /* make sure the window is on some monitor */
3227         client_find_onscreen(self, &x, &y, w, h, FALSE);
3228     }
3229
3230     client_setup_decor_and_functions(self, FALSE);
3231     client_move_resize(self, x, y, w, h);
3232
3233     /* and adjust our layer/stacking. do this after resizing the window,
3234        and applying decorations, because windows which fill the screen are
3235        considered "fullscreen" and it affects their layer */
3236     client_calc_layer(self);
3237
3238     if (fs) {
3239         /* try focus us when we go into fullscreen mode */
3240         client_focus(self);
3241     }
3242 }
3243
3244 static void client_iconify_recursive(ObClient *self,
3245                                      gboolean iconic, gboolean curdesk,
3246                                      gboolean hide_animation)
3247 {
3248     GSList *it;
3249     gboolean changed = FALSE;
3250
3251     if (self->iconic != iconic) {
3252         ob_debug("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
3253                  self->window);
3254
3255         if (iconic) {
3256             /* don't let non-normal windows iconify along with their parents
3257                or whatever */
3258             if (client_normal(self)) {
3259                 self->iconic = iconic;
3260
3261                 /* update the focus lists.. iconic windows go to the bottom of
3262                    the list. this will also call focus_cycle_addremove(). */
3263                 focus_order_to_bottom(self);
3264
3265                 changed = TRUE;
3266             }
3267         } else {
3268             self->iconic = iconic;
3269
3270             if (curdesk && self->desktop != screen_desktop &&
3271                 self->desktop != DESKTOP_ALL)
3272                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3273
3274             /* this puts it after the current focused window, this will
3275                also cause focus_cycle_addremove() to be called for the
3276                client */
3277             focus_order_like_new(self);
3278
3279             changed = TRUE;
3280         }
3281     }
3282
3283     if (changed) {
3284         client_change_state(self);
3285         if (config_animate_iconify && !hide_animation)
3286             frame_begin_iconify_animation(self->frame, iconic);
3287         /* do this after starting the animation so it doesn't flash */
3288         client_showhide(self);
3289     }
3290
3291     /* iconify all direct transients, and deiconify all transients
3292        (non-direct too) */
3293     for (it = self->transients; it; it = g_slist_next(it))
3294         if (it->data != self)
3295             if (client_is_direct_child(self, it->data) || !iconic)
3296                 client_iconify_recursive(it->data, iconic, curdesk,
3297                                          hide_animation);
3298 }
3299
3300 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3301                     gboolean hide_animation)
3302 {
3303     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3304         /* move up the transient chain as far as possible first */
3305         self = client_search_top_direct_parent(self);
3306         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3307     }
3308 }
3309
3310 void client_maximize(ObClient *self, gboolean max, gint dir)
3311 {
3312     gint x, y, w, h;
3313
3314     g_assert(dir == 0 || dir == 1 || dir == 2);
3315     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && max) return;/* can't */
3316
3317     /* check if already done */
3318     if (max) {
3319         if (dir == 0 && self->max_horz && self->max_vert) return;
3320         if (dir == 1 && self->max_horz) return;
3321         if (dir == 2 && self->max_vert) return;
3322     } else {
3323         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3324         if (dir == 1 && !self->max_horz) return;
3325         if (dir == 2 && !self->max_vert) return;
3326     }
3327
3328     /* these will help configure_full figure out which screen to fill with
3329        the window */
3330     x = self->area.x;
3331     y = self->area.y;
3332     w = self->area.width;
3333     h = self->area.height;
3334
3335     if (max) {
3336         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3337             RECT_SET(self->pre_max_area,
3338                      self->area.x, self->pre_max_area.y,
3339                      self->area.width, self->pre_max_area.height);
3340         }
3341         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3342             RECT_SET(self->pre_max_area,
3343                      self->pre_max_area.x, self->area.y,
3344                      self->pre_max_area.width, self->area.height);
3345         }
3346     } else {
3347         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3348             g_assert(self->pre_max_area.width > 0);
3349
3350             x = self->pre_max_area.x;
3351             w = self->pre_max_area.width;
3352
3353             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3354                      0, self->pre_max_area.height);
3355         }
3356         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3357             g_assert(self->pre_max_area.height > 0);
3358
3359             y = self->pre_max_area.y;
3360             h = self->pre_max_area.height;
3361
3362             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3363                      self->pre_max_area.width, 0);
3364         }
3365     }
3366
3367     if (dir == 0 || dir == 1) /* horz */
3368         self->max_horz = max;
3369     if (dir == 0 || dir == 2) /* vert */
3370         self->max_vert = max;
3371
3372     if (max) {
3373         /* make sure the window is on some monitor */
3374         client_find_onscreen(self, &x, &y, w, h, FALSE);
3375     }
3376
3377     client_change_state(self); /* change the state hints on the client */
3378
3379     client_setup_decor_and_functions(self, FALSE);
3380     client_move_resize(self, x, y, w, h);
3381 }
3382
3383 void client_shade(ObClient *self, gboolean shade)
3384 {
3385     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3386          shade) ||                         /* can't shade */
3387         self->shaded == shade) return;     /* already done */
3388
3389     self->shaded = shade;
3390     client_change_state(self);
3391     client_change_wm_state(self); /* the window is being hidden/shown */
3392     /* resize the frame to just the titlebar */
3393     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3394 }
3395
3396 static void client_ping_event(ObClient *self, gboolean dead)
3397 {
3398     if (self->not_responding != dead) {
3399         self->not_responding = dead;
3400         client_update_title(self);
3401
3402         if (dead)
3403             /* the client isn't responding, so ask to kill it */
3404             client_prompt_kill(self);
3405         else {
3406             /* it came back to life ! */
3407
3408             if (self->kill_prompt) {
3409                 prompt_unref(self->kill_prompt);
3410                 self->kill_prompt = NULL;
3411             }
3412
3413             self->kill_level = 0;
3414         }
3415     }
3416 }
3417
3418 void client_close(ObClient *self)
3419 {
3420     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3421
3422     /* if closing an internal obprompt, that is just cancelling it */
3423     if (self->prompt) {
3424         prompt_cancel(self->prompt);
3425         return;
3426     }
3427
3428     /* in the case that the client provides no means to requesting that it
3429        close, we just kill it */
3430     if (!self->delete_window)
3431         /* don't use client_kill(), we should only kill based on PID in
3432            response to a lack of PING replies */
3433         XKillClient(obt_display, self->window);
3434     else {
3435         /* request the client to close with WM_DELETE_WINDOW */
3436         OBT_PROP_MSG_TO(self->window, self->window, WM_PROTOCOLS,
3437                         OBT_PROP_ATOM(WM_DELETE_WINDOW), event_time(),
3438                         0, 0, 0, NoEventMask);
3439
3440         /* we're trying to close the window, so see if it is responding. if it
3441            is not, then we will let them kill the window */
3442         if (self->ping)
3443             ping_start(self, client_ping_event);
3444
3445         /* if we already know the window isn't responding (maybe they clicked
3446            no in the kill dialog but it hasn't come back to life), then show
3447            the kill dialog */
3448         if (self->not_responding)
3449             client_prompt_kill(self);
3450     }
3451 }
3452
3453 #define OB_KILL_RESULT_NO 0
3454 #define OB_KILL_RESULT_YES 1
3455
3456 static gboolean client_kill_requested(ObPrompt *p, gint result, gpointer data)
3457 {
3458     ObClient *self = data;
3459
3460     if (result == OB_KILL_RESULT_YES)
3461         client_kill(self);
3462     return TRUE; /* call the cleanup func */
3463 }
3464
3465 static void client_kill_cleanup(ObPrompt *p, gpointer data)
3466 {
3467     ObClient *self = data;
3468
3469     g_assert(p == self->kill_prompt);
3470
3471     prompt_unref(self->kill_prompt);
3472     self->kill_prompt = NULL;
3473 }
3474
3475 static void client_prompt_kill(ObClient *self)
3476 {
3477     /* check if we're already prompting */
3478     if (!self->kill_prompt) {
3479         ObPromptAnswer answers[] = {
3480             { 0, OB_KILL_RESULT_NO },
3481             { 0, OB_KILL_RESULT_YES }
3482         };
3483         gchar *m;
3484         const gchar *y, *title;
3485
3486         title = self->original_title;
3487         if (title[0] == '\0') {
3488             /* empty string, so use its parent */
3489             ObClient *p = client_search_top_direct_parent(self);
3490             if (p) title = p->original_title;
3491         }
3492
3493         if (client_on_localhost(self)) {
3494             const gchar *sig;
3495
3496             if (self->kill_level == 0)
3497                 sig = "terminate";
3498             else
3499                 sig = "kill";
3500
3501             m = g_strdup_printf
3502                 (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"),
3503                  title, sig);
3504             y = _("End Process");
3505         }
3506         else {
3507             m = g_strdup_printf
3508                 (_("The window \"%s\" does not seem to be responding.  Do you want to disconnect it from the X server?"),
3509                  title);
3510             y = _("Disconnect");
3511         }
3512         /* set the dialog buttons' text */
3513         answers[0].text = _("Cancel");  /* "no" */
3514         answers[1].text = y;            /* "yes" */
3515
3516         self->kill_prompt = prompt_new(m, NULL, answers,
3517                                        sizeof(answers)/sizeof(answers[0]),
3518                                        OB_KILL_RESULT_NO, /* default = no */
3519                                        OB_KILL_RESULT_NO, /* cancel = no */
3520                                        client_kill_requested,
3521                                        client_kill_cleanup,
3522                                        self);
3523         g_free(m);
3524     }
3525
3526     prompt_show(self->kill_prompt, self, TRUE);
3527 }
3528
3529 void client_kill(ObClient *self)
3530 {
3531     /* don't kill our own windows */
3532     if (self->prompt) return;
3533
3534     if (client_on_localhost(self) && self->pid) {
3535         /* running on the local host */
3536         if (self->kill_level == 0) {
3537             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3538                      self->window, self->pid);
3539             kill(self->pid, SIGTERM);
3540             ++self->kill_level;
3541
3542             /* show that we're trying to kill it */
3543             client_update_title(self);
3544         }
3545         else {
3546             ob_debug("killing window 0x%x with pid %lu, with SIGKILL",
3547                      self->window, self->pid);
3548             kill(self->pid, SIGKILL); /* kill -9 */
3549         }
3550     }
3551     else {
3552         /* running on a remote host */
3553         XKillClient(obt_display, self->window);
3554     }
3555 }
3556
3557 void client_hilite(ObClient *self, gboolean hilite)
3558 {
3559     if (self->demands_attention == hilite)
3560         return; /* no change */
3561
3562     /* don't allow focused windows to hilite */
3563     self->demands_attention = hilite && !client_focused(self);
3564     if (self->frame != NULL) { /* if we're mapping, just set the state */
3565         if (self->demands_attention) {
3566             frame_flash_start(self->frame);
3567
3568             /* if the window is on another desktop then raise it and make it
3569                the most recently used window */
3570             if (self->desktop != screen_desktop &&
3571                 self->desktop != DESKTOP_ALL)
3572             {
3573                 stacking_raise(CLIENT_AS_WINDOW(self));
3574                 focus_order_to_top(self);
3575             }
3576         }
3577         else
3578             frame_flash_stop(self->frame);
3579         client_change_state(self);
3580     }
3581 }
3582
3583 static void client_set_desktop_recursive(ObClient *self,
3584                                          guint target,
3585                                          gboolean donthide,
3586                                          gboolean dontraise)
3587 {
3588     guint old;
3589     GSList *it;
3590
3591     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3592
3593         ob_debug("Setting desktop %u", target+1);
3594
3595         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3596
3597         old = self->desktop;
3598         self->desktop = target;
3599         OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, target);
3600         /* the frame can display the current desktop state */
3601         frame_adjust_state(self->frame);
3602         /* 'move' the window to the new desktop */
3603         if (!donthide)
3604             client_hide(self);
3605         client_show(self);
3606         /* raise if it was not already on the desktop */
3607         if (old != DESKTOP_ALL && !dontraise)
3608             stacking_raise(CLIENT_AS_WINDOW(self));
3609         if (STRUT_EXISTS(self->strut))
3610             screen_update_areas();
3611         else
3612             /* the new desktop's geometry may be different, so we may need to
3613                resize, for example if we are maximized */
3614             client_reconfigure(self, FALSE);
3615
3616         focus_cycle_addremove(self, FALSE);
3617     }
3618
3619     /* move all transients */
3620     for (it = self->transients; it; it = g_slist_next(it))
3621         if (it->data != self)
3622             if (client_is_direct_child(self, it->data))
3623                 client_set_desktop_recursive(it->data, target,
3624                                              donthide, dontraise);
3625 }
3626
3627 void client_set_desktop(ObClient *self, guint target,
3628                         gboolean donthide, gboolean dontraise)
3629 {
3630     self = client_search_top_direct_parent(self);
3631     client_set_desktop_recursive(self, target, donthide, dontraise);
3632
3633     focus_cycle_addremove(NULL, TRUE);
3634 }
3635
3636 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3637 {
3638     while (child != parent && (child = client_direct_parent(child)));
3639     return child == parent;
3640 }
3641
3642 ObClient *client_search_modal_child(ObClient *self)
3643 {
3644     GSList *it;
3645     ObClient *ret;
3646
3647     for (it = self->transients; it; it = g_slist_next(it)) {
3648         ObClient *c = it->data;
3649         if ((ret = client_search_modal_child(c))) return ret;
3650         if (c->modal) return c;
3651     }
3652     return NULL;
3653 }
3654
3655 struct ObClientFindDestroyUnmap {
3656     Window window;
3657     gint ignore_unmaps;
3658 };
3659
3660 static gboolean find_destroy_unmap(XEvent *e, gpointer data)
3661 {
3662     struct ObClientFindDestroyUnmap *find = data;
3663     if (e->type == DestroyNotify)
3664         return e->xdestroywindow.window == find->window;
3665     if (e->type == UnmapNotify && e->xunmap.window == find->window)
3666         /* ignore the first $find->ignore_unmaps$ many unmap events */
3667         return --find->ignore_unmaps < 0;
3668     return FALSE;
3669 }
3670
3671 gboolean client_validate(ObClient *self)
3672 {
3673     struct ObClientFindDestroyUnmap find;
3674
3675     XSync(obt_display, FALSE); /* get all events on the server */
3676
3677     find.window = self->window;
3678     find.ignore_unmaps = self->ignore_unmaps;
3679     if (xqueue_exists_local(find_destroy_unmap, &find))
3680         return FALSE;
3681
3682     return TRUE;
3683 }
3684
3685 void client_set_wm_state(ObClient *self, glong state)
3686 {
3687     if (state == self->wmstate) return; /* no change */
3688
3689     switch (state) {
3690     case IconicState:
3691         client_iconify(self, TRUE, TRUE, FALSE);
3692         break;
3693     case NormalState:
3694         client_iconify(self, FALSE, TRUE, FALSE);
3695         break;
3696     }
3697 }
3698
3699 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3700 {
3701     gboolean shaded = self->shaded;
3702     gboolean fullscreen = self->fullscreen;
3703     gboolean undecorated = self->undecorated;
3704     gboolean max_horz = self->max_horz;
3705     gboolean max_vert = self->max_vert;
3706     gboolean modal = self->modal;
3707     gboolean iconic = self->iconic;
3708     gboolean demands_attention = self->demands_attention;
3709     gboolean above = self->above;
3710     gboolean below = self->below;
3711     gint i;
3712     gboolean value;
3713
3714     if (!(action == OBT_PROP_ATOM(NET_WM_STATE_ADD) ||
3715           action == OBT_PROP_ATOM(NET_WM_STATE_REMOVE) ||
3716           action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)))
3717         /* an invalid action was passed to the client message, ignore it */
3718         return;
3719
3720     for (i = 0; i < 2; ++i) {
3721         Atom state = i == 0 ? data1 : data2;
3722
3723         if (!state) continue;
3724
3725         /* if toggling, then pick whether we're adding or removing */
3726         if (action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)) {
3727             if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
3728                 value = modal;
3729             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
3730                 value = self->max_vert;
3731             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
3732                 value = self->max_horz;
3733             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
3734                 value = shaded;
3735             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
3736                 value = self->skip_taskbar;
3737             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
3738                 value = self->skip_pager;
3739             else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
3740                 value = self->iconic;
3741             else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
3742                 value = fullscreen;
3743             else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
3744                 value = self->above;
3745             else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
3746                 value = self->below;
3747             else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
3748                 value = self->demands_attention;
3749             else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
3750                 value = undecorated;
3751             else
3752                 g_assert_not_reached();
3753             action = value ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3754                              OBT_PROP_ATOM(NET_WM_STATE_ADD);
3755         }
3756
3757         value = action == OBT_PROP_ATOM(NET_WM_STATE_ADD);
3758         if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL)) {
3759             modal = value;
3760         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT)) {
3761             max_vert = value;
3762         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ)) {
3763             max_horz = value;
3764         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED)) {
3765             shaded = value;
3766         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR)) {
3767             self->skip_taskbar = value;
3768         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER)) {
3769             self->skip_pager = value;
3770         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN)) {
3771             iconic = value;
3772         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN)) {
3773             fullscreen = value;
3774         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE)) {
3775             above = value;
3776             /* only unset below when setting above, otherwise you can't get to
3777                the normal layer */
3778             if (value)
3779                 below = FALSE;
3780         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW)) {
3781             /* and vice versa */
3782             if (value)
3783                 above = FALSE;
3784             below = value;
3785         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION)){
3786             demands_attention = value;
3787         } else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED)) {
3788             undecorated = value;
3789         }
3790     }
3791
3792     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3793         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3794             /* toggling both */
3795             if (max_horz == max_vert) { /* both going the same way */
3796                 client_maximize(self, max_horz, 0);
3797             } else {
3798                 client_maximize(self, max_horz, 1);
3799                 client_maximize(self, max_vert, 2);
3800             }
3801         } else {
3802             /* toggling one */
3803             if (max_horz != self->max_horz)
3804                 client_maximize(self, max_horz, 1);
3805             else
3806                 client_maximize(self, max_vert, 2);
3807         }
3808     }
3809     /* change fullscreen state before shading, as it will affect if the window
3810        can shade or not */
3811     if (fullscreen != self->fullscreen)
3812         client_fullscreen(self, fullscreen);
3813     if (shaded != self->shaded)
3814         client_shade(self, shaded);
3815     if (undecorated != self->undecorated)
3816         client_set_undecorated(self, undecorated);
3817     if (above != self->above || below != self->below) {
3818         self->above = above;
3819         self->below = below;
3820         client_calc_layer(self);
3821     }
3822
3823     if (modal != self->modal) {
3824         self->modal = modal;
3825         /* when a window changes modality, then its stacking order with its
3826            transients needs to change */
3827         stacking_raise(CLIENT_AS_WINDOW(self));
3828
3829         /* it also may get focused. if something is focused that shouldn't
3830            be focused anymore, then move the focus */
3831         if (focus_client && client_focus_target(focus_client) != focus_client)
3832             client_focus(focus_client);
3833     }
3834
3835     if (iconic != self->iconic)
3836         client_iconify(self, iconic, FALSE, FALSE);
3837
3838     if (demands_attention != self->demands_attention)
3839         client_hilite(self, demands_attention);
3840
3841     client_change_state(self); /* change the hint to reflect these changes */
3842
3843     focus_cycle_addremove(self, TRUE);
3844 }
3845
3846 ObClient *client_focus_target(ObClient *self)
3847 {
3848     ObClient *child = NULL;
3849
3850     child = client_search_modal_child(self);
3851     if (child) return child;
3852     return self;
3853 }
3854
3855 gboolean client_can_focus(ObClient *self)
3856 {
3857     /* choose the correct target */
3858     self = client_focus_target(self);
3859
3860     if (!self->frame->visible)
3861         return FALSE;
3862
3863     if (!(self->can_focus || self->focus_notify))
3864         return FALSE;
3865
3866     return TRUE;
3867 }
3868
3869 gboolean client_focus(ObClient *self)
3870 {
3871     if (!client_validate(self)) return FALSE;
3872
3873     /* we might not focus this window, so if we have modal children which would
3874        be focused instead, bring them to this desktop */
3875     client_bring_modal_windows(self);
3876
3877     /* choose the correct target */
3878     self = client_focus_target(self);
3879
3880     if (!client_can_focus(self)) {
3881         ob_debug_type(OB_DEBUG_FOCUS,
3882                       "Client %s can't be focused", self->title);
3883         return FALSE;
3884     }
3885
3886     ob_debug_type(OB_DEBUG_FOCUS,
3887                   "Focusing client \"%s\" (0x%x) at time %u",
3888                   self->title, self->window, event_time());
3889
3890     /* if using focus_delay, stop the timer now so that focus doesn't
3891        go moving on us */
3892     event_halt_focus_delay();
3893
3894     obt_display_ignore_errors(TRUE);
3895
3896     if (self->can_focus) {
3897         /* This can cause a BadMatch error with CurrentTime, or if an app
3898            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3899         XSetInputFocus(obt_display, self->window, RevertToPointerRoot,
3900                        event_time());
3901     }
3902
3903     if (self->focus_notify) {
3904         XEvent ce;
3905         ce.xclient.type = ClientMessage;
3906         ce.xclient.message_type = OBT_PROP_ATOM(WM_PROTOCOLS);
3907         ce.xclient.display = obt_display;
3908         ce.xclient.window = self->window;
3909         ce.xclient.format = 32;
3910         ce.xclient.data.l[0] = OBT_PROP_ATOM(WM_TAKE_FOCUS);
3911         ce.xclient.data.l[1] = event_time();
3912         ce.xclient.data.l[2] = 0l;
3913         ce.xclient.data.l[3] = 0l;
3914         ce.xclient.data.l[4] = 0l;
3915         XSendEvent(obt_display, self->window, FALSE, NoEventMask, &ce);
3916     }
3917
3918     obt_display_ignore_errors(FALSE);
3919
3920     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d",
3921                   obt_display_error_occured);
3922     return !obt_display_error_occured;
3923 }
3924
3925 static void client_present(ObClient *self, gboolean here, gboolean raise,
3926                            gboolean unshade)
3927 {
3928     if (client_normal(self) && screen_showing_desktop)
3929         screen_show_desktop(FALSE, self);
3930     if (self->iconic)
3931         client_iconify(self, FALSE, here, FALSE);
3932     if (self->desktop != DESKTOP_ALL &&
3933         self->desktop != screen_desktop)
3934     {
3935         if (here)
3936             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3937         else
3938             screen_set_desktop(self->desktop, FALSE);
3939     } else if (!self->frame->visible)
3940         /* if its not visible for other reasons, then don't mess
3941            with it */
3942         return;
3943     if (self->shaded && unshade)
3944         client_shade(self, FALSE);
3945     if (raise)
3946         stacking_raise(CLIENT_AS_WINDOW(self));
3947
3948     client_focus(self);
3949 }
3950
3951 /* this function exists to map to the net_active_window message in the ewmh */
3952 void client_activate(ObClient *self, gboolean desktop,
3953                      gboolean here, gboolean raise,
3954                      gboolean unshade, gboolean user)
3955 {
3956     if ((user && (desktop ||
3957                   self->desktop == DESKTOP_ALL ||
3958                   self->desktop == screen_desktop)) ||
3959         client_can_steal_focus(self, desktop, event_time(), CurrentTime))
3960     {
3961         client_present(self, here, raise, unshade);
3962     }
3963     else
3964         client_hilite(self, TRUE);
3965 }
3966
3967 static void client_bring_windows_recursive(ObClient *self,
3968                                            guint desktop,
3969                                            gboolean helpers,
3970                                            gboolean modals,
3971                                            gboolean iconic)
3972 {
3973     GSList *it;
3974
3975     for (it = self->transients; it; it = g_slist_next(it))
3976         client_bring_windows_recursive(it->data, desktop,
3977                                        helpers, modals, iconic);
3978
3979     if (((helpers && client_helper(self)) ||
3980          (modals && self->modal)) &&
3981         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3982          (iconic && self->iconic)))
3983     {
3984         if (iconic && self->iconic)
3985             client_iconify(self, FALSE, TRUE, FALSE);
3986         else
3987             client_set_desktop(self, desktop, FALSE, FALSE);
3988     }
3989 }
3990
3991 void client_bring_helper_windows(ObClient *self)
3992 {
3993     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3994 }
3995
3996 void client_bring_modal_windows(ObClient *self)
3997 {
3998     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3999 }
4000
4001 gboolean client_focused(ObClient *self)
4002 {
4003     return self == focus_client;
4004 }
4005
4006 RrImage* client_icon(ObClient *self)
4007 {
4008     RrImage *ret = NULL;
4009
4010     if (self->icon_set)
4011         ret = self->icon_set;
4012     else if (self->parents) {
4013         GSList *it;
4014         for (it = self->parents; it && !ret; it = g_slist_next(it))
4015             ret = client_icon(it->data);
4016     }
4017     if (!ret)
4018         ret = client_default_icon;
4019     return ret;
4020 }
4021
4022 void client_set_layer(ObClient *self, gint layer)
4023 {
4024     if (layer < 0) {
4025         self->below = TRUE;
4026         self->above = FALSE;
4027     } else if (layer == 0) {
4028         self->below = self->above = FALSE;
4029     } else {
4030         self->below = FALSE;
4031         self->above = TRUE;
4032     }
4033     client_calc_layer(self);
4034     client_change_state(self); /* reflect this in the state hints */
4035 }
4036
4037 void client_set_undecorated(ObClient *self, gboolean undecorated)
4038 {
4039     if (self->undecorated != undecorated &&
4040         /* don't let it undecorate if the function is missing, but let
4041            it redecorate */
4042         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
4043     {
4044         self->undecorated = undecorated;
4045         client_setup_decor_and_functions(self, TRUE);
4046         client_change_state(self); /* reflect this in the state hints */
4047     }
4048 }
4049
4050 guint client_monitor(ObClient *self)
4051 {
4052     return screen_find_monitor(&self->frame->area);
4053 }
4054
4055 ObClient *client_direct_parent(ObClient *self)
4056 {
4057     if (!self->parents) return NULL;
4058     if (self->transient_for_group) return NULL;
4059     return self->parents->data;
4060 }
4061
4062 ObClient *client_search_top_direct_parent(ObClient *self)
4063 {
4064     ObClient *p;
4065     while ((p = client_direct_parent(self))) self = p;
4066     return self;
4067 }
4068
4069 static GSList *client_search_all_top_parents_internal(ObClient *self,
4070                                                       gboolean bylayer,
4071                                                       ObStackingLayer layer)
4072 {
4073     GSList *ret;
4074     ObClient *p;
4075
4076     /* move up the direct transient chain as far as possible */
4077     while ((p = client_direct_parent(self)) &&
4078            (!bylayer || p->layer == layer))
4079         self = p;
4080
4081     if (!self->parents)
4082         ret = g_slist_prepend(NULL, self);
4083     else
4084         ret = g_slist_copy(self->parents);
4085
4086     return ret;
4087 }
4088
4089 GSList *client_search_all_top_parents(ObClient *self)
4090 {
4091     return client_search_all_top_parents_internal(self, FALSE, 0);
4092 }
4093
4094 GSList *client_search_all_top_parents_layer(ObClient *self)
4095 {
4096     return client_search_all_top_parents_internal(self, TRUE, self->layer);
4097 }
4098
4099 ObClient *client_search_focus_parent(ObClient *self)
4100 {
4101     GSList *it;
4102
4103     for (it = self->parents; it; it = g_slist_next(it))
4104         if (client_focused(it->data)) return it->data;
4105
4106     return NULL;
4107 }
4108
4109 ObClient *client_search_focus_parent_full(ObClient *self)
4110 {
4111     GSList *it;
4112     ObClient *ret = NULL;
4113
4114     for (it = self->parents; it; it = g_slist_next(it)) {
4115         if (client_focused(it->data))
4116             ret = it->data;
4117         else
4118             ret = client_search_focus_parent_full(it->data);
4119         if (ret) break;
4120     }
4121     return ret;
4122 }
4123
4124 ObClient *client_search_parent(ObClient *self, ObClient *search)
4125 {
4126     GSList *it;
4127
4128     for (it = self->parents; it; it = g_slist_next(it))
4129         if (it->data == search) return search;
4130
4131     return NULL;
4132 }
4133
4134 ObClient *client_search_transient(ObClient *self, ObClient *search)
4135 {
4136     GSList *sit;
4137
4138     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
4139         if (sit->data == search)
4140             return search;
4141         if (client_search_transient(sit->data, search))
4142             return search;
4143     }
4144     return NULL;
4145 }
4146
4147 static void detect_edge(Rect area, ObDirection dir,
4148                         gint my_head, gint my_size,
4149                         gint my_edge_start, gint my_edge_size,
4150                         gint *dest, gboolean *near_edge)
4151 {
4152     gint edge_start, edge_size, head, tail;
4153     gboolean skip_head = FALSE, skip_tail = FALSE;
4154
4155     switch (dir) {
4156         case OB_DIRECTION_NORTH:
4157         case OB_DIRECTION_SOUTH:
4158             edge_start = area.x;
4159             edge_size = area.width;
4160             break;
4161         case OB_DIRECTION_EAST:
4162         case OB_DIRECTION_WEST:
4163             edge_start = area.y;
4164             edge_size = area.height;
4165             break;
4166         default:
4167             g_assert_not_reached();
4168     }
4169
4170     /* do we collide with this window? */
4171     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
4172                 edge_start, edge_size))
4173         return;
4174
4175     switch (dir) {
4176         case OB_DIRECTION_NORTH:
4177             head = RECT_BOTTOM(area);
4178             tail = RECT_TOP(area);
4179             break;
4180         case OB_DIRECTION_SOUTH:
4181             head = RECT_TOP(area);
4182             tail = RECT_BOTTOM(area);
4183             break;
4184         case OB_DIRECTION_WEST:
4185             head = RECT_RIGHT(area);
4186             tail = RECT_LEFT(area);
4187             break;
4188         case OB_DIRECTION_EAST:
4189             head = RECT_LEFT(area);
4190             tail = RECT_RIGHT(area);
4191             break;
4192         default:
4193             g_assert_not_reached();
4194     }
4195     switch (dir) {
4196         case OB_DIRECTION_NORTH:
4197         case OB_DIRECTION_WEST:
4198             /* check if our window is past the head of this window */
4199             if (my_head <= head + 1)
4200                 skip_head = TRUE;
4201             /* check if our window's tail is past the tail of this window */
4202             if (my_head + my_size - 1 <= tail)
4203                 skip_tail = TRUE;
4204             /* check if the head of this window is closer than the previously
4205                chosen edge (take into account that the previously chosen
4206                edge might have been a tail, not a head) */
4207             if (head + (*near_edge ? 0 : my_size) <= *dest)
4208                 skip_head = TRUE;
4209             /* check if the tail of this window is closer than the previously
4210                chosen edge (take into account that the previously chosen
4211                edge might have been a head, not a tail) */
4212             if (tail - (!*near_edge ? 0 : my_size) <= *dest)
4213                 skip_tail = TRUE;
4214             break;
4215         case OB_DIRECTION_SOUTH:
4216         case OB_DIRECTION_EAST:
4217             /* check if our window is past the head of this window */
4218             if (my_head >= head - 1)
4219                 skip_head = TRUE;
4220             /* check if our window's tail is past the tail of this window */
4221             if (my_head - my_size + 1 >= tail)
4222                 skip_tail = TRUE;
4223             /* check if the head of this window is closer than the previously
4224                chosen edge (take into account that the previously chosen
4225                edge might have been a tail, not a head) */
4226             if (head - (*near_edge ? 0 : my_size) >= *dest)
4227                 skip_head = TRUE;
4228             /* check if the tail of this window is closer than the previously
4229                chosen edge (take into account that the previously chosen
4230                edge might have been a head, not a tail) */
4231             if (tail + (!*near_edge ? 0 : my_size) >= *dest)
4232                 skip_tail = TRUE;
4233             break;
4234         default:
4235             g_assert_not_reached();
4236     }
4237
4238     ob_debug("my head %d size %d", my_head, my_size);
4239     ob_debug("head %d tail %d dest %d", head, tail, *dest);
4240     if (!skip_head) {
4241         ob_debug("using near edge %d", head);
4242         *dest = head;
4243         *near_edge = TRUE;
4244     }
4245     else if (!skip_tail) {
4246         ob_debug("using far edge %d", tail);
4247         *dest = tail;
4248         *near_edge = FALSE;
4249     }
4250 }
4251
4252 void client_find_edge_directional(ObClient *self, ObDirection dir,
4253                                   gint my_head, gint my_size,
4254                                   gint my_edge_start, gint my_edge_size,
4255                                   gint *dest, gboolean *near_edge)
4256 {
4257     GList *it;
4258     Rect *a;
4259     Rect dock_area;
4260     gint edge;
4261     guint i;
4262
4263     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
4264                     &self->frame->area);
4265
4266     switch (dir) {
4267     case OB_DIRECTION_NORTH:
4268         edge = RECT_TOP(*a) - 1;
4269         break;
4270     case OB_DIRECTION_SOUTH:
4271         edge = RECT_BOTTOM(*a) + 1;
4272         break;
4273     case OB_DIRECTION_EAST:
4274         edge = RECT_RIGHT(*a) + 1;
4275         break;
4276     case OB_DIRECTION_WEST:
4277         edge = RECT_LEFT(*a) - 1;
4278         break;
4279     default:
4280         g_assert_not_reached();
4281     }
4282     /* default to the far edge, then narrow it down */
4283     *dest = edge;
4284     *near_edge = TRUE;
4285
4286     /* search for edges of monitors */
4287     for (i = 0; i < screen_num_monitors; ++i) {
4288         Rect *area = screen_area(self->desktop, i, NULL);
4289         detect_edge(*area, dir, my_head, my_size, my_edge_start,
4290                     my_edge_size, dest, near_edge);
4291         g_slice_free(Rect, area);
4292     }
4293
4294     /* search for edges of clients */
4295     if (((dir == OB_DIRECTION_NORTH || dir == OB_DIRECTION_SOUTH) &&
4296          !self->max_vert) ||
4297         ((dir == OB_DIRECTION_EAST || dir == OB_DIRECTION_WEST) &&
4298          !self->max_horz))
4299     {
4300         for (it = client_list; it; it = g_list_next(it)) {
4301             ObClient *cur = it->data;
4302
4303             /* skip windows to not bump into */
4304             if (cur == self)
4305                 continue;
4306             if (cur->iconic)
4307                 continue;
4308             if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4309                 cur->desktop != screen_desktop)
4310                 continue;
4311
4312             ob_debug("trying window %s", cur->title);
4313
4314             detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4315                         my_edge_size, dest, near_edge);
4316         }
4317         dock_get_area(&dock_area);
4318         detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4319                     my_edge_size, dest, near_edge);
4320     }
4321
4322     g_slice_free(Rect, a);
4323 }
4324
4325 void client_find_move_directional(ObClient *self, ObDirection dir,
4326                                   gint *x, gint *y)
4327 {
4328     gint head, size;
4329     gint e, e_start, e_size;
4330     gboolean near;
4331
4332     switch (dir) {
4333     case OB_DIRECTION_EAST:
4334         head = RECT_RIGHT(self->frame->area);
4335         size = self->frame->area.width;
4336         e_start = RECT_TOP(self->frame->area);
4337         e_size = self->frame->area.height;
4338         break;
4339     case OB_DIRECTION_WEST:
4340         head = RECT_LEFT(self->frame->area);
4341         size = self->frame->area.width;
4342         e_start = RECT_TOP(self->frame->area);
4343         e_size = self->frame->area.height;
4344         break;
4345     case OB_DIRECTION_NORTH:
4346         head = RECT_TOP(self->frame->area);
4347         size = self->frame->area.height;
4348         e_start = RECT_LEFT(self->frame->area);
4349         e_size = self->frame->area.width;
4350         break;
4351     case OB_DIRECTION_SOUTH:
4352         head = RECT_BOTTOM(self->frame->area);
4353         size = self->frame->area.height;
4354         e_start = RECT_LEFT(self->frame->area);
4355         e_size = self->frame->area.width;
4356         break;
4357     default:
4358         g_assert_not_reached();
4359     }
4360
4361     client_find_edge_directional(self, dir, head, size,
4362                                  e_start, e_size, &e, &near);
4363     *x = self->frame->area.x;
4364     *y = self->frame->area.y;
4365     switch (dir) {
4366     case OB_DIRECTION_EAST:
4367         if (near) e -= self->frame->area.width;
4368         else      e++;
4369         *x = e;
4370         break;
4371     case OB_DIRECTION_WEST:
4372         if (near) e++;
4373         else      e -= self->frame->area.width;
4374         *x = e;
4375         break;
4376     case OB_DIRECTION_NORTH:
4377         if (near) e++;
4378         else      e -= self->frame->area.height;
4379         *y = e;
4380         break;
4381     case OB_DIRECTION_SOUTH:
4382         if (near) e -= self->frame->area.height;
4383         else      e++;
4384         *y = e;
4385         break;
4386     default:
4387         g_assert_not_reached();
4388     }
4389     frame_frame_gravity(self->frame, x, y);
4390 }
4391
4392 void client_find_resize_directional(ObClient *self, ObDirection side,
4393                                     gboolean grow,
4394                                     gint *x, gint *y, gint *w, gint *h)
4395 {
4396     gint head;
4397     gint e, e_start, e_size, delta;
4398     gboolean near;
4399     ObDirection dir;
4400
4401     switch (side) {
4402     case OB_DIRECTION_EAST:
4403         head = RECT_RIGHT(self->frame->area) +
4404             (self->size_inc.width - 1) * (grow ? 1 : 0);
4405         e_start = RECT_TOP(self->frame->area);
4406         e_size = self->frame->area.height;
4407         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4408         break;
4409     case OB_DIRECTION_WEST:
4410         head = RECT_LEFT(self->frame->area) -
4411             (self->size_inc.width - 1) * (grow ? 1 : 0);
4412         e_start = RECT_TOP(self->frame->area);
4413         e_size = self->frame->area.height;
4414         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4415         break;
4416     case OB_DIRECTION_NORTH:
4417         head = RECT_TOP(self->frame->area) -
4418             (self->size_inc.height - 1) * (grow ? 1 : 0);
4419         e_start = RECT_LEFT(self->frame->area);
4420         e_size = self->frame->area.width;
4421         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4422         break;
4423     case OB_DIRECTION_SOUTH:
4424         head = RECT_BOTTOM(self->frame->area) +
4425             (self->size_inc.height - 1) * (grow ? 1 : 0);
4426         e_start = RECT_LEFT(self->frame->area);
4427         e_size = self->frame->area.width;
4428         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4429         break;
4430     default:
4431         g_assert_not_reached();
4432     }
4433
4434     ob_debug("head %d dir %d", head, dir);
4435     client_find_edge_directional(self, dir, head, 1,
4436                                  e_start, e_size, &e, &near);
4437     ob_debug("edge %d", e);
4438     *x = self->frame->area.x;
4439     *y = self->frame->area.y;
4440     *w = self->frame->area.width;
4441     *h = self->frame->area.height;
4442     switch (side) {
4443     case OB_DIRECTION_EAST:
4444         if (grow == near) --e;
4445         delta = e - RECT_RIGHT(self->frame->area);
4446         *w += delta;
4447         break;
4448     case OB_DIRECTION_WEST:
4449         if (grow == near) ++e;
4450         delta = RECT_LEFT(self->frame->area) - e;
4451         *x -= delta;
4452         *w += delta;
4453         break;
4454     case OB_DIRECTION_NORTH:
4455         if (grow == near) ++e;
4456         delta = RECT_TOP(self->frame->area) - e;
4457         *y -= delta;
4458         *h += delta;
4459         break;
4460     case OB_DIRECTION_SOUTH:
4461         if (grow == near) --e;
4462         delta = e - RECT_BOTTOM(self->frame->area);
4463         *h += delta;
4464         break;
4465     default:
4466         g_assert_not_reached();
4467     }
4468     frame_frame_gravity(self->frame, x, y);
4469     *w -= self->frame->size.left + self->frame->size.right;
4470     *h -= self->frame->size.top + self->frame->size.bottom;
4471 }
4472
4473 ObClient* client_under_pointer(void)
4474 {
4475     gint x, y;
4476     GList *it;
4477     ObClient *ret = NULL;
4478
4479     if (screen_pointer_pos(&x, &y)) {
4480         for (it = stacking_list; it; it = g_list_next(it)) {
4481             if (WINDOW_IS_CLIENT(it->data)) {
4482                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4483                 if (c->frame->visible &&
4484                     /* check the desktop, this is done during desktop
4485                        switching and windows are shown/hidden status is not
4486                        reliable */
4487                     (c->desktop == screen_desktop ||
4488                      c->desktop == DESKTOP_ALL) &&
4489                     /* ignore all animating windows */
4490                     !frame_iconify_animating(c->frame) &&
4491                     RECT_CONTAINS(c->frame->area, x, y))
4492                 {
4493                     ret = c;
4494                     break;
4495                 }
4496             }
4497         }
4498     }
4499     return ret;
4500 }
4501
4502 gboolean client_has_group_siblings(ObClient *self)
4503 {
4504     return self->group && self->group->members->next;
4505 }
4506
4507 /*! Returns TRUE if the client is running on the same machine as Openbox */
4508 gboolean client_on_localhost(ObClient *self)
4509 {
4510     return self->client_machine == NULL;
4511 }