Redraw the focus cycle popup when the list of focusable windows changes, rather than...
[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 "xerror.h"
25 #include "screen.h"
26 #include "moveresize.h"
27 #include "ping.h"
28 #include "place.h"
29 #include "prop.h"
30 #include "extensions.h"
31 #include "frame.h"
32 #include "session.h"
33 #include "event.h"
34 #include "grab.h"
35 #include "prompt.h"
36 #include "focus.h"
37 #include "stacking.h"
38 #include "openbox.h"
39 #include "group.h"
40 #include "config.h"
41 #include "menuframe.h"
42 #include "keyboard.h"
43 #include "mouse.h"
44 #include "render/render.h"
45 #include "gettext.h"
46
47 #ifdef HAVE_UNISTD_H
48 #  include <unistd.h>
49 #endif
50
51 #ifdef HAVE_SIGNAL_H
52 #  include <signal.h> /* for kill() */
53 #endif
54
55 #include <glib.h>
56 #include <X11/Xutil.h>
57
58 /*! The event mask to grab on client windows */
59 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
60                           ColormapChangeMask)
61
62 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
63                                 ButtonMotionMask)
64
65 typedef struct
66 {
67     ObClientCallback func;
68     gpointer data;
69 } ClientCallback;
70
71 GList          *client_list             = NULL;
72
73 static GSList  *client_destroy_notifies = NULL;
74 static RrImage *client_default_icon     = NULL;
75
76 static void client_get_all(ObClient *self, gboolean real);
77 static void client_get_startup_id(ObClient *self);
78 static void client_get_session_ids(ObClient *self);
79 static void client_save_session_ids(ObClient *self);
80 static void client_get_area(ObClient *self);
81 static void client_get_desktop(ObClient *self);
82 static void client_get_state(ObClient *self);
83 static void client_get_shaped(ObClient *self);
84 static void client_get_colormap(ObClient *self);
85 static void client_set_desktop_recursive(ObClient *self,
86                                          guint target,
87                                          gboolean donthide,
88                                          gboolean dontraise);
89 static void client_change_allowed_actions(ObClient *self);
90 static void client_change_state(ObClient *self);
91 static void client_change_wm_state(ObClient *self);
92 static void client_apply_startup_state(ObClient *self,
93                                        gint x, gint y, gint w, gint h);
94 static void client_restore_session_state(ObClient *self);
95 static gboolean client_restore_session_stacking(ObClient *self);
96 static ObAppSettings *client_get_settings_state(ObClient *self);
97 static void client_update_transient_tree(ObClient *self,
98                                          ObGroup *oldgroup, ObGroup *newgroup,
99                                          gboolean oldgtran, gboolean newgtran,
100                                          ObClient* oldparent,
101                                          ObClient *newparent);
102 static void client_present(ObClient *self, gboolean here, gboolean raise,
103                            gboolean unshade);
104 static GSList *client_search_all_top_parents_internal(ObClient *self,
105                                                       gboolean bylayer,
106                                                       ObStackingLayer layer);
107 static void client_call_notifies(ObClient *self, GSList *list);
108 static void client_ping_event(ObClient *self, gboolean dead);
109 static void client_prompt_kill(ObClient *self);
110 static gboolean client_can_steal_focus(ObClient *self, Time steal_time,
111                                        Time launch_time);
112
113 void client_startup(gboolean reconfig)
114 {
115     if ((client_default_icon = RrImageCacheFind(ob_rr_icons,
116                                                 ob_rr_theme->def_win_icon,
117                                                 ob_rr_theme->def_win_icon_w,
118                                                 ob_rr_theme->def_win_icon_h)))
119         RrImageRef(client_default_icon);
120     else {
121         client_default_icon = RrImageNew(ob_rr_icons);
122         RrImageAddPicture(client_default_icon,
123                           ob_rr_theme->def_win_icon,
124                           ob_rr_theme->def_win_icon_w,
125                           ob_rr_theme->def_win_icon_h);
126     }
127
128     if (reconfig) return;
129
130     client_set_list();
131 }
132
133 void client_shutdown(gboolean reconfig)
134 {
135     RrImageUnref(client_default_icon);
136     client_default_icon = NULL;
137
138     if (reconfig) return;
139 }
140
141 static void client_call_notifies(ObClient *self, GSList *list)
142 {
143     GSList *it;
144
145     for (it = list; it; it = g_slist_next(it)) {
146         ClientCallback *d = it->data;
147         d->func(self, d->data);
148     }
149 }
150
151 void client_add_destroy_notify(ObClientCallback func, gpointer data)
152 {
153     ClientCallback *d = g_new(ClientCallback, 1);
154     d->func = func;
155     d->data = data;
156     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
157 }
158
159 void client_remove_destroy_notify(ObClientCallback func)
160 {
161     GSList *it;
162
163     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
164         ClientCallback *d = it->data;
165         if (d->func == func) {
166             g_free(d);
167             client_destroy_notifies =
168                 g_slist_delete_link(client_destroy_notifies, it);
169             break;
170         }
171     }
172 }
173
174 void client_set_list(void)
175 {
176     Window *windows, *win_it;
177     GList *it;
178     guint size = g_list_length(client_list);
179
180     /* create an array of the window ids */
181     if (size > 0) {
182         windows = g_new(Window, size);
183         win_it = windows;
184         for (it = client_list; it; it = g_list_next(it), ++win_it)
185             *win_it = ((ObClient*)it->data)->window;
186     } else
187         windows = NULL;
188
189     PROP_SETA32(RootWindow(ob_display, ob_screen),
190                 net_client_list, window, (gulong*)windows, size);
191
192     if (windows)
193         g_free(windows);
194
195     stacking_set_list();
196 }
197
198 void client_manage_all(void)
199 {
200     guint i, j, nchild;
201     Window w, *children;
202     XWMHints *wmhints;
203     XWindowAttributes attrib;
204
205     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
206                &w, &w, &children, &nchild);
207
208     /* remove all icon windows from the list */
209     for (i = 0; i < nchild; i++) {
210         if (children[i] == None) continue;
211         wmhints = XGetWMHints(ob_display, children[i]);
212         if (wmhints) {
213             if ((wmhints->flags & IconWindowHint) &&
214                 (wmhints->icon_window != children[i]))
215                 for (j = 0; j < nchild; j++)
216                     if (children[j] == wmhints->icon_window) {
217                         children[j] = None;
218                         break;
219                     }
220             XFree(wmhints);
221         }
222     }
223
224     /* manage windows in reverse order from how they were originally mapped.
225        this is an attempt to manage children windows before their parents, so
226        that when the parent is mapped, it can find the child */
227     for (i = 0; i < nchild; ++i) {
228         if (children[i] == None)
229             continue;
230         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
231             if (attrib.override_redirect) continue;
232
233             if (attrib.map_state != IsUnmapped)
234                 client_manage(children[i], NULL);
235         }
236     }
237     XFree(children);
238 }
239
240 void client_manage(Window window, ObPrompt *prompt)
241 {
242     ObClient *self;
243     XEvent e;
244     XWindowAttributes attrib;
245     XSetWindowAttributes attrib_set;
246     XWMHints *wmhint;
247     gboolean activate = FALSE;
248     ObAppSettings *settings;
249     gboolean transient = FALSE;
250     Rect place, *monitor;
251     Time launch_time, map_time;
252     guint32 user_time;
253
254     grab_server(TRUE);
255
256     /* check if it has already been unmapped by the time we started
257        mapping. the grab does a sync so we don't have to here */
258     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
259         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
260     {
261         XPutBackEvent(ob_display, &e);
262
263         ob_debug("Trying to manage unmapped window. Aborting that.\n");
264         grab_server(FALSE);
265         return; /* don't manage it */
266     }
267
268     /* make sure it isn't an override-redirect window */
269     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
270         attrib.override_redirect)
271     {
272         grab_server(FALSE);
273         return; /* don't manage it */
274     }
275
276     /* is the window a docking app */
277     if ((wmhint = XGetWMHints(ob_display, window))) {
278         if ((wmhint->flags & StateHint) &&
279             wmhint->initial_state == WithdrawnState)
280         {
281             dock_add(window, wmhint);
282             grab_server(FALSE);
283             XFree(wmhint);
284             return;
285         }
286         XFree(wmhint);
287     }
288
289     ob_debug("Managing window: 0x%lx\n", window);
290
291     map_time = event_get_server_time();
292
293     /* choose the events we want to receive on the CLIENT window
294        (ObPrompt windows can request events too) */
295     attrib_set.event_mask = CLIENT_EVENTMASK |
296         (prompt ? prompt->event_mask : 0);
297     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
298     XChangeWindowAttributes(ob_display, window,
299                             CWEventMask|CWDontPropagate, &attrib_set);
300
301     /* create the ObClient struct, and populate it from the hints on the
302        window */
303     self = g_new0(ObClient, 1);
304     self->obwin.type = Window_Client;
305     self->window = window;
306     self->prompt = prompt;
307     self->managed = TRUE;
308
309     /* non-zero defaults */
310     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
311     self->gravity = NorthWestGravity;
312     self->desktop = screen_num_desktops; /* always an invalid value */
313
314     /* get all the stuff off the window */
315     client_get_all(self, TRUE);
316
317     ob_debug("Window type: %d\n", self->type);
318     ob_debug("Window group: 0x%x\n", self->group?self->group->leader:0);
319     ob_debug("Window name: %s class: %s role: %s\n", self->name, self->class, self->role);
320
321     /* per-app settings override stuff from client_get_all, and return the
322        settings for other uses too. the returned settings is a shallow copy,
323        that needs to be freed with g_free(). */
324     settings = client_get_settings_state(self);
325
326     /* now we have all of the window's information so we can set this up.
327        do this before creating the frame, so it can tell that we are still
328        mapping and doesn't go applying things right away */
329     client_setup_decor_and_functions(self, FALSE);
330
331     /* specify that if we exit, the window should not be destroyed and
332        should be reparented back to root automatically, unless we are managing
333        an internal ObPrompt window  */
334     if (!self->prompt)
335         XChangeSaveSet(ob_display, window, SetModeInsert);
336
337     /* create the decoration frame for the client window */
338     self->frame = frame_new(self);
339
340     frame_grab_client(self->frame);
341
342     /* we've grabbed everything and set everything that we need to at mapping
343        time now */
344     grab_server(FALSE);
345
346     /* the session should get the last say though */
347     client_restore_session_state(self);
348
349     /* tell startup notification that this app started */
350     launch_time = sn_app_started(self->startup_id, self->class, self->name);
351
352     if (!PROP_GET32(self->window, net_wm_user_time, cardinal, &user_time))
353         user_time = map_time;
354
355     /* do this after we have a frame.. it uses the frame to help determine the
356        WM_STATE to apply. */
357     client_change_state(self);
358
359     /* add ourselves to the focus order */
360     focus_order_add_new(self);
361
362     /* do this to add ourselves to the stacking list in a non-intrusive way */
363     client_calc_layer(self);
364
365     /* focus the new window? */
366     if (ob_state() != OB_STATE_STARTING &&
367         (!self->session || self->session->focused) &&
368         /* this means focus=true for window is same as config_focus_new=true */
369         ((config_focus_new || (settings && settings->focus == 1)) ||
370          client_search_focus_tree_full(self)) &&
371         /* NET_WM_USER_TIME 0 when mapping means don't focus */
372         (user_time != 0) &&
373         /* this checks for focus=false for the window */
374         (!settings || settings->focus != 0) &&
375         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE,
376                            settings->focus == 1))
377     {
378         activate = TRUE;
379     }
380
381     /* remove the client's border */
382     XSetWindowBorderWidth(ob_display, self->window, 0);
383
384     /* adjust the frame to the client's size before showing or placing
385        the window */
386     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
387     frame_adjust_client_area(self->frame);
388
389     /* where the frame was placed is where the window was originally */
390     place = self->area;
391     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
392
393     /* figure out placement for the window if the window is new */
394     if (ob_state() == OB_STATE_RUNNING) {
395         ob_debug("Positioned: %s @ %d %d\n",
396                  (!self->positioned ? "no" :
397                   (self->positioned == PPosition ? "program specified" :
398                    (self->positioned == USPosition ? "user specified" :
399                     (self->positioned == (PPosition | USPosition) ?
400                      "program + user specified" :
401                      "BADNESS !?")))), place.x, place.y);
402
403         ob_debug("Sized: %s @ %d %d\n",
404                  (!self->sized ? "no" :
405                   (self->sized == PSize ? "program specified" :
406                    (self->sized == USSize ? "user specified" :
407                     (self->sized == (PSize | USSize) ?
408                      "program + user specified" :
409                      "BADNESS !?")))), place.width, place.height);
410
411         /* splash screens are also returned as TRUE for transient,
412            and so will be forced on screen below */
413         transient = place_client(self, &place.x, &place.y, settings);
414
415         /* make sure the window is visible. */
416         client_find_onscreen(self, &place.x, &place.y,
417                              place.width, place.height,
418                              /* non-normal clients has less rules, and
419                                 windows that are being restored from a
420                                 session do also. we can assume you want
421                                 it back where you saved it. Clients saying
422                                 they placed themselves are subjected to
423                                 harder rules, ones that are placed by
424                                 place.c or by the user are allowed partially
425                                 off-screen and on xinerama divides (ie,
426                                 it is up to the placement routines to avoid
427                                 the xinerama divides)
428
429                                 splash screens get "transient" set to TRUE by
430                                 the place_client call
431                              */
432                              ob_state() == OB_STATE_RUNNING &&
433                              (transient ||
434                               (!((self->positioned & USPosition) ||
435                                  (settings && settings->pos_given)) &&
436                                client_normal(self) &&
437                                !self->session &&
438                                /* don't move oldschool fullscreen windows to
439                                   fit inside the struts (fixes Acroread, which
440                                   makes its fullscreen window fit the screen
441                                   but it is not USSize'd or USPosition'd) */
442                                !(self->decorations == 0 &&
443                                  RECT_EQUAL(place, *monitor)))));
444     }
445
446     /* if the window isn't user-sized, then make it fit inside
447        the visible screen area on its monitor. Use basically the same rules
448        for forcing the window on screen in the client_find_onscreen call.
449
450        do this after place_client, it chooses the monitor!
451
452        splash screens get "transient" set to TRUE by
453        the place_client call
454     */
455     if (ob_state() == OB_STATE_RUNNING &&
456         (transient ||
457          (!(self->sized & USSize || self->positioned & USPosition) &&
458           client_normal(self) &&
459           !self->session &&
460           /* don't shrink oldschool fullscreen windows to fit inside the
461              struts (fixes Acroread, which makes its fullscreen window
462              fit the screen but it is not USSize'd or USPosition'd) */
463           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
464     {
465         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
466
467         /* get the size of the frame */
468         place.width += self->frame->size.left + self->frame->size.right;
469         place.height += self->frame->size.top + self->frame->size.bottom;
470
471         /* fit the window inside the area */
472         place.width = MIN(place.width, a->width);
473         place.height = MIN(place.height, a->height);
474
475         ob_debug("setting window size to %dx%d\n", place.width, place.height);
476
477         /* get the size of the client back */
478         place.width -= self->frame->size.left + self->frame->size.right;
479         place.height -= self->frame->size.top + self->frame->size.bottom;
480
481         g_free(a);
482     }
483
484     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
485              "some restrictions may apply\n",
486              self->window, place.x, place.y, place.width, place.height);
487     if (self->session)
488         ob_debug("  but session requested %d, %d  %d x %d instead, "
489                  "overriding\n",
490                  self->session->x, self->session->y,
491                  self->session->w, self->session->h);
492
493     /* do this after the window is placed, so the premax/prefullscreen numbers
494        won't be all wacko!!
495
496        this also places the window
497     */
498     client_apply_startup_state(self, place.x, place.y,
499                                place.width, place.height);
500
501     g_free(monitor);
502     monitor = NULL;
503
504     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s\n",
505                   activate ? "yes" : "no");
506     if (activate) {
507         activate = client_can_steal_focus(self, map_time, launch_time);
508
509         if (!activate) {
510             /* if the client isn't stealing focus, then hilite it so the user
511                knows it is there, but don't do this if we're restoring from a
512                session */
513             if (!client_restore_session_stacking(self))
514                 client_hilite(self, TRUE);
515         }
516     }
517     else {
518         /* This may look rather odd. Well it's because new windows are added
519            to the stacking order non-intrusively. If we're not going to focus
520            the new window or hilite it, then we raise it to the top. This will
521            take affect for things that don't get focused like splash screens.
522            Also if you don't have focus_new enabled, then it's going to get
523            raised to the top. Legacy begets legacy I guess?
524         */
525         if (!client_restore_session_stacking(self))
526             stacking_raise(CLIENT_AS_WINDOW(self));
527     }
528
529     mouse_grab_for_client(self, TRUE);
530
531     /* this has to happen before we try focus the window, but we want it to
532        happen after the client's stacking has been determined or it looks bad
533     */
534     {
535         gulong ignore_start;
536         if (!config_focus_under_mouse)
537             ignore_start = event_start_ignore_all_enters();
538
539         client_show(self);
540
541         if (!config_focus_under_mouse)
542             event_end_ignore_all_enters(ignore_start);
543     }
544
545     if (activate) {
546         gboolean stacked = client_restore_session_stacking(self);
547         client_present(self, FALSE, !stacked, TRUE);
548     }
549
550     /* add to client list/map */
551     client_list = g_list_append(client_list, self);
552     g_hash_table_insert(window_map, &self->window, self);
553
554     /* this has to happen after we're in the client_list */
555     if (STRUT_EXISTS(self->strut))
556         screen_update_areas();
557
558     /* update the list hints */
559     client_set_list();
560
561     /* free the ObAppSettings shallow copy */
562     g_free(settings);
563
564     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
565              window, self->frame->window, self->class);
566
567     return;
568 }
569
570 ObClient *client_fake_manage(Window window)
571 {
572     ObClient *self;
573     ObAppSettings *settings;
574
575     ob_debug("Pretend-managing window: %lx\n", window);
576
577     /* do this minimal stuff to figure out the client's decorations */
578
579     self = g_new0(ObClient, 1);
580     self->window = window;
581
582     client_get_all(self, FALSE);
583     /* per-app settings override stuff, and return the settings for other
584        uses too. this returns a shallow copy that needs to be freed */
585     settings = client_get_settings_state(self);
586
587     client_setup_decor_and_functions(self, FALSE);
588
589     /* create the decoration frame for the client window and adjust its size */
590     self->frame = frame_new(self);
591     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
592
593     ob_debug("gave extents left %d right %d top %d bottom %d\n",
594              self->frame->size.left, self->frame->size.right,
595              self->frame->size.top, self->frame->size.bottom);
596
597     /* free the ObAppSettings shallow copy */
598     g_free(settings);
599
600     return self;
601 }
602
603 void client_unmanage_all(void)
604 {
605     while (client_list)
606         client_unmanage(client_list->data);
607 }
608
609 void client_unmanage(ObClient *self)
610 {
611     GSList *it;
612     gulong ignore_start;
613
614     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
615              self->window, self->frame->window,
616              self->class, self->title ? self->title : "");
617
618     g_assert(self != NULL);
619
620     /* we dont want events no more. do this before hiding the frame so we
621        don't generate more events */
622     XSelectInput(ob_display, self->window, NoEventMask);
623
624     /* ignore enter events from the unmap so it doesnt mess with the focus */
625     if (!config_focus_under_mouse)
626         ignore_start = event_start_ignore_all_enters();
627
628     frame_hide(self->frame);
629     /* flush to send the hide to the server quickly */
630     XFlush(ob_display);
631
632     if (!config_focus_under_mouse)
633         event_end_ignore_all_enters(ignore_start);
634
635     mouse_grab_for_client(self, FALSE);
636
637     self->managed = FALSE;
638
639     /* remove the window from our save set, unless we are managing an internal
640        ObPrompt window */
641     if (!self->prompt)
642         XChangeSaveSet(ob_display, self->window, SetModeDelete);
643
644     /* update the focus lists */
645     focus_order_remove(self);
646     if (client_focused(self)) {
647         /* don't leave an invalid focus_client */
648         focus_client = NULL;
649     }
650
651     /* if we're prompting to kill the client, close that */
652     prompt_unref(self->kill_prompt);
653     self->kill_prompt = NULL;
654
655     client_list = g_list_remove(client_list, self);
656     stacking_remove(self);
657     g_hash_table_remove(window_map, &self->window);
658
659     /* once the client is out of the list, update the struts to remove its
660        influence */
661     if (STRUT_EXISTS(self->strut))
662         screen_update_areas();
663
664     client_call_notifies(self, client_destroy_notifies);
665
666     /* tell our parent(s) that we're gone */
667     for (it = self->parents; it; it = g_slist_next(it))
668         ((ObClient*)it->data)->transients =
669             g_slist_remove(((ObClient*)it->data)->transients,self);
670
671     /* tell our transients that we're gone */
672     for (it = self->transients; it; it = g_slist_next(it)) {
673         ((ObClient*)it->data)->parents =
674             g_slist_remove(((ObClient*)it->data)->parents, self);
675         /* we could be keeping our children in a higher layer */
676         client_calc_layer(it->data);
677     }
678
679     /* remove from its group */
680     if (self->group) {
681         group_remove(self->group, self);
682         self->group = NULL;
683     }
684
685     /* restore the window's original geometry so it is not lost */
686     {
687         Rect a;
688
689         a = self->area;
690
691         if (self->fullscreen)
692             a = self->pre_fullscreen_area;
693         else if (self->max_horz || self->max_vert) {
694             if (self->max_horz) {
695                 a.x = self->pre_max_area.x;
696                 a.width = self->pre_max_area.width;
697             }
698             if (self->max_vert) {
699                 a.y = self->pre_max_area.y;
700                 a.height = self->pre_max_area.height;
701             }
702         }
703
704         self->fullscreen = self->max_horz = self->max_vert = FALSE;
705         /* let it be moved and resized no matter what */
706         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
707         self->decorations = 0; /* unmanaged windows have no decor */
708
709         /* give the client its border back */
710         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
711
712         client_move_resize(self, a.x, a.y, a.width, a.height);
713     }
714
715     /* reparent the window out of the frame, and free the frame */
716     frame_release_client(self->frame);
717     frame_free(self->frame);
718     self->frame = NULL;
719
720     if (ob_state() != OB_STATE_EXITING) {
721         /* these values should not be persisted across a window
722            unmapping/mapping */
723         PROP_ERASE(self->window, net_wm_desktop);
724         PROP_ERASE(self->window, net_wm_state);
725         PROP_ERASE(self->window, wm_state);
726     } else {
727         /* if we're left in an unmapped state, the client wont be mapped.
728            this is bad, since we will no longer be managing the window on
729            restart */
730         XMapWindow(ob_display, self->window);
731     }
732
733     /* these should not be left on the window ever.  other window managers
734        don't necessarily use them and it will mess them up (like compiz) */
735     PROP_ERASE(self->window, net_wm_visible_name);
736     PROP_ERASE(self->window, net_wm_visible_icon_name);
737
738     /* update the list hints */
739     client_set_list();
740
741     ob_debug("Unmanaged window 0x%lx\n", self->window);
742
743     /* free all data allocated in the client struct */
744     RrImageUnref(self->icon_set);
745     g_slist_free(self->transients);
746     g_free(self->startup_id);
747     g_free(self->wm_command);
748     g_free(self->title);
749     g_free(self->icon_title);
750     g_free(self->original_title);
751     g_free(self->name);
752     g_free(self->class);
753     g_free(self->role);
754     g_free(self->client_machine);
755     g_free(self->sm_client_id);
756     g_free(self);
757 }
758
759 void client_fake_unmanage(ObClient *self)
760 {
761     /* this is all that got allocated to get the decorations */
762
763     frame_free(self->frame);
764     g_free(self);
765 }
766
767 static gboolean client_can_steal_focus(ObClient *self, Time steal_time,
768                                        Time launch_time)
769 {
770     gboolean steal;
771     gboolean relative_focused;
772     gboolean parent_focused;
773
774     steal = TRUE;
775
776     parent_focused = (focus_client != NULL &&
777                       client_search_focus_parent(self));
778     relative_focused = (focus_client != NULL &&
779                         (client_search_focus_tree_full(self) != NULL ||
780                          client_search_focus_group_full(self) != NULL));
781
782     /* This is focus stealing prevention */
783     ob_debug_type(OB_DEBUG_FOCUS,
784                   "Want to focus new window 0x%x at time %u "
785                   "launched at %u (last user interaction time %u)\n",
786                   self->window, steal_time, launch_time,
787                   event_last_user_time);
788
789     /* if it's on another desktop */
790     if (!(self->desktop == screen_desktop ||
791           self->desktop == DESKTOP_ALL) &&
792         /* the timestamp is from before you changed desktops */
793         launch_time && screen_desktop_user_time &&
794         !event_time_after(launch_time, screen_desktop_user_time))
795     {
796         steal = FALSE;
797         ob_debug_type(OB_DEBUG_FOCUS,
798                       "Not focusing the window because its on another "
799                       "desktop\n");
800     }
801     /* If something is focused... */
802     else if (focus_client) {
803         /* If the user is working in another window right now, then don't
804            steal focus */
805         if (!parent_focused &&
806             event_last_user_time && launch_time &&
807             event_time_after(event_last_user_time, launch_time) &&
808             event_last_user_time != launch_time &&
809             event_time_after(event_last_user_time,
810                              steal_time - OB_EVENT_USER_TIME_DELAY))
811         {
812             steal = FALSE;
813             ob_debug_type(OB_DEBUG_FOCUS,
814                           "Not focusing the window because the user is "
815                           "working in another window that is not "
816                           "its parent\n");
817         }
818         /* If the new window is a transient (and its relatives aren't
819            focused) */
820         else if (client_has_parent(self) && !relative_focused) {
821             steal = FALSE;
822             ob_debug_type(OB_DEBUG_FOCUS,
823                           "Not focusing the window because it is a "
824                           "transient, and its relatives aren't focused\n");
825         }
826         /* Don't steal focus from globally active clients.
827            I stole this idea from KWin. It seems nice.
828         */
829         else if (!(focus_client->can_focus ||
830                    focus_client->focus_notify))
831         {
832             steal = FALSE;
833             ob_debug_type(OB_DEBUG_FOCUS,
834                           "Not focusing the window because a globally "
835                           "active client has focus\n");
836         }
837         /* Don't move focus if it's not going to go to this window
838            anyway */
839         else if (client_focus_target(self) != self) {
840             steal = FALSE;
841             ob_debug_type(OB_DEBUG_FOCUS,
842                           "Not focusing the window because another window "
843                           "would get the focus anyway\n");
844         }
845         /* Don't move focus if the window is not visible on the current
846            desktop and none of its relatives are focused */
847         else if (!(self->desktop == screen_desktop ||
848                    self->desktop == DESKTOP_ALL) &&
849                  !relative_focused)
850         {
851             steal = FALSE;
852             ob_debug_type(OB_DEBUG_FOCUS,
853                           "Not focusing the window because it is on "
854                           "another desktop and no relatives are focused ");
855         }
856     }
857
858     if (!steal)
859         ob_debug_type(OB_DEBUG_FOCUS,
860                       "Focus stealing prevention activated for %s at "
861                       "time %u (last user interaction time %u)\n",
862                       self->title, steal_time, event_last_user_time);
863     return steal;
864 }
865
866 /*! Returns a new structure containing the per-app settings for this client.
867   The returned structure needs to be freed with g_free. */
868 static ObAppSettings *client_get_settings_state(ObClient *self)
869 {
870     ObAppSettings *settings;
871     GSList *it;
872
873     settings = config_create_app_settings();
874
875     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
876         ObAppSettings *app = it->data;
877         gboolean match = TRUE;
878
879         g_assert(app->name != NULL || app->class != NULL);
880
881         /* we know that either name or class is not NULL so it will have to
882            match to use the rule */
883         if (app->name &&
884             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
885             match = FALSE;
886         else if (app->class &&
887                  !g_pattern_match(app->class,
888                                   strlen(self->class), self->class, NULL))
889             match = FALSE;
890         else if (app->role &&
891                  !g_pattern_match(app->role,
892                                   strlen(self->role), self->role, NULL))
893             match = FALSE;
894         else if ((signed)app->type >= 0 && app->type != self->type)
895             match = FALSE;
896
897         if (match) {
898             ob_debug("Window matching: %s\n", app->name);
899
900             /* copy the settings to our struct, overriding the existing
901                settings if they are not defaults */
902             config_app_settings_copy_non_defaults(app, settings);
903         }
904     }
905
906     if (settings->shade != -1)
907         self->shaded = !!settings->shade;
908     if (settings->decor != -1)
909         self->undecorated = !settings->decor;
910     if (settings->iconic != -1)
911         self->iconic = !!settings->iconic;
912     if (settings->skip_pager != -1)
913         self->skip_pager = !!settings->skip_pager;
914     if (settings->skip_taskbar != -1)
915         self->skip_taskbar = !!settings->skip_taskbar;
916
917     if (settings->max_vert != -1)
918         self->max_vert = !!settings->max_vert;
919     if (settings->max_horz != -1)
920         self->max_horz = !!settings->max_horz;
921
922     if (settings->fullscreen != -1)
923         self->fullscreen = !!settings->fullscreen;
924
925     if (settings->desktop) {
926         if (settings->desktop == DESKTOP_ALL)
927             self->desktop = settings->desktop;
928         else if (settings->desktop > 0 &&
929                  settings->desktop <= screen_num_desktops)
930             self->desktop = settings->desktop - 1;
931     }
932
933     if (settings->layer == -1) {
934         self->below = TRUE;
935         self->above = FALSE;
936     }
937     else if (settings->layer == 0) {
938         self->below = FALSE;
939         self->above = FALSE;
940     }
941     else if (settings->layer == 1) {
942         self->below = FALSE;
943         self->above = TRUE;
944     }
945     return settings;
946 }
947
948 static void client_restore_session_state(ObClient *self)
949 {
950     GList *it;
951
952     ob_debug_type(OB_DEBUG_SM,
953                   "Restore session for client %s\n", self->title);
954
955     if (!(it = session_state_find(self))) {
956         ob_debug_type(OB_DEBUG_SM,
957                       "Session data not found for client %s\n", self->title);
958         return;
959     }
960
961     self->session = it->data;
962
963     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
964                   self->title);
965
966     RECT_SET_POINT(self->area, self->session->x, self->session->y);
967     self->positioned = USPosition;
968     self->sized = USSize;
969     if (self->session->w > 0)
970         self->area.width = self->session->w;
971     if (self->session->h > 0)
972         self->area.height = self->session->h;
973     XResizeWindow(ob_display, self->window,
974                   self->area.width, self->area.height);
975
976     self->desktop = (self->session->desktop == DESKTOP_ALL ?
977                      self->session->desktop :
978                      MIN(screen_num_desktops - 1, self->session->desktop));
979     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
980
981     self->shaded = self->session->shaded;
982     self->iconic = self->session->iconic;
983     self->skip_pager = self->session->skip_pager;
984     self->skip_taskbar = self->session->skip_taskbar;
985     self->fullscreen = self->session->fullscreen;
986     self->above = self->session->above;
987     self->below = self->session->below;
988     self->max_horz = self->session->max_horz;
989     self->max_vert = self->session->max_vert;
990     self->undecorated = self->session->undecorated;
991 }
992
993 static gboolean client_restore_session_stacking(ObClient *self)
994 {
995     GList *it, *mypos;
996
997     if (!self->session) return FALSE;
998
999     mypos = g_list_find(session_saved_state, self->session);
1000     if (!mypos) return FALSE;
1001
1002     /* start above me and look for the first client */
1003     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
1004         GList *cit;
1005
1006         for (cit = client_list; cit; cit = g_list_next(cit)) {
1007             ObClient *c = cit->data;
1008             /* found a client that was in the session, so go below it */
1009             if (c->session == it->data) {
1010                 stacking_below(CLIENT_AS_WINDOW(self),
1011                                CLIENT_AS_WINDOW(cit->data));
1012                 return TRUE;
1013             }
1014         }
1015     }
1016     return FALSE;
1017 }
1018
1019 void client_move_onscreen(ObClient *self, gboolean rude)
1020 {
1021     gint x = self->area.x;
1022     gint y = self->area.y;
1023     if (client_find_onscreen(self, &x, &y,
1024                              self->area.width,
1025                              self->area.height, rude)) {
1026         client_move(self, x, y);
1027     }
1028 }
1029
1030 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
1031                               gboolean rude)
1032 {
1033     gint ox = *x, oy = *y;
1034     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
1035     gint fw, fh;
1036     Rect desired;
1037     guint i;
1038     gboolean found_mon;
1039
1040     RECT_SET(desired, *x, *y, w, h);
1041     frame_rect_to_frame(self->frame, &desired);
1042
1043     /* get where the frame would be */
1044     frame_client_gravity(self->frame, x, y);
1045
1046     /* get the requested size of the window with decorations */
1047     fw = self->frame->size.left + w + self->frame->size.right;
1048     fh = self->frame->size.top + h + self->frame->size.bottom;
1049
1050     /* If rudeness wasn't requested, then still be rude in a given direction
1051        if the client is not moving, only resizing in that direction */
1052     if (!rude) {
1053         Point oldtl, oldtr, oldbl, oldbr;
1054         Point newtl, newtr, newbl, newbr;
1055         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1056
1057         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
1058         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
1059                   self->frame->area.y + self->frame->area.height - 1);
1060         POINT_SET(oldtr, oldbr.x, oldtl.y);
1061         POINT_SET(oldbl, oldtl.x, oldbr.y);
1062
1063         POINT_SET(newtl, *x, *y);
1064         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1065         POINT_SET(newtr, newbr.x, newtl.y);
1066         POINT_SET(newbl, newtl.x, newbr.y);
1067
1068         /* is it moving or just resizing from some corner? */
1069         stationary_l = oldtl.x == newtl.x;
1070         stationary_r = oldtr.x == newtr.x;
1071         stationary_t = oldtl.y == newtl.y;
1072         stationary_b = oldbl.y == newbl.y;
1073
1074         /* if left edge is growing and didnt move right edge */
1075         if (stationary_r && newtl.x < oldtl.x)
1076             rudel = TRUE;
1077         /* if right edge is growing and didnt move left edge */
1078         if (stationary_l && newtr.x > oldtr.x)
1079             ruder = TRUE;
1080         /* if top edge is growing and didnt move bottom edge */
1081         if (stationary_b && newtl.y < oldtl.y)
1082             rudet = TRUE;
1083         /* if bottom edge is growing and didnt move top edge */
1084         if (stationary_t && newbl.y > oldbl.y)
1085             rudeb = TRUE;
1086     }
1087
1088     /* we iterate through every monitor that the window is at least partially
1089        on, to make sure it is obeying the rules on them all
1090
1091        if the window does not appear on any monitors, then use the first one
1092     */
1093     found_mon = FALSE;
1094     for (i = 0; i < screen_num_monitors; ++i) {
1095         Rect *a;
1096
1097         if (!screen_physical_area_monitor_contains(i, &desired)) {
1098             if (i < screen_num_monitors - 1 || found_mon)
1099                 continue;
1100
1101             /* the window is not inside any monitor! so just use the first
1102                one */
1103             a = screen_area(self->desktop, 0, NULL);
1104         } else {
1105             found_mon = TRUE;
1106             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1107         }
1108
1109         /* This makes sure windows aren't entirely outside of the screen so you
1110            can't see them at all.
1111            It makes sure 10% of the window is on the screen at least. And don't
1112            let it move itself off the top of the screen, which would hide the
1113            titlebar on you. (The user can still do this if they want too, it's
1114            only limiting the application.
1115         */
1116         if (client_normal(self)) {
1117             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1118                 *x = a->x + a->width - fw/10;
1119             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1120                 *y = a->y + a->height - fh/10;
1121             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1122                 *x = a->x - fw*9/10;
1123             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1124                 *y = a->y - fh*9/10;
1125         }
1126
1127         /* This here doesn't let windows even a pixel outside the
1128            struts/screen. When called from client_manage, programs placing
1129            themselves are forced completely onscreen, while things like
1130            xterm -geometry resolution-width/2 will work fine. Trying to
1131            place it completely offscreen will be handled in the above code.
1132            Sorry for this confused comment, i am tired. */
1133         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1134         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1135             *x = a->x + MAX(0, a->width - fw);
1136
1137         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1138         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1139             *y = a->y + MAX(0, a->height - fh);
1140
1141         g_free(a);
1142     }
1143
1144     /* get where the client should be */
1145     frame_frame_gravity(self->frame, x, y);
1146
1147     return ox != *x || oy != *y;
1148 }
1149
1150 static void client_get_all(ObClient *self, gboolean real)
1151 {
1152     /* this is needed for the frame to set itself up */
1153     client_get_area(self);
1154
1155     /* these things can change the decor and functions of the window */
1156
1157     client_get_mwm_hints(self);
1158     /* this can change the mwmhints for special cases */
1159     client_get_type_and_transientness(self);
1160     client_get_state(self);
1161     client_update_normal_hints(self);
1162
1163     /* get the session related properties, these can change decorations
1164        from per-app settings */
1165     client_get_session_ids(self);
1166     client_save_session_ids(self);
1167
1168     /* now we got everything that can affect the decorations */
1169     if (!real)
1170         return;
1171
1172     /* get this early so we have it for debugging */
1173     client_update_title(self);
1174
1175     client_update_protocols(self);
1176
1177     client_update_wmhints(self);
1178     /* this may have already been called from client_update_wmhints */
1179     if (!self->parents && !self->transient_for_group)
1180         client_update_transient_for(self);
1181
1182     client_get_startup_id(self);
1183     client_get_desktop(self);/* uses transient data/group/startup id if a
1184                                 desktop is not specified */
1185     client_get_shaped(self);
1186
1187     {
1188         /* a couple type-based defaults for new windows */
1189
1190         /* this makes sure that these windows appear on all desktops */
1191         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1192             self->desktop = DESKTOP_ALL;
1193     }
1194
1195 #ifdef SYNC
1196     client_update_sync_request_counter(self);
1197 #endif
1198
1199     client_get_colormap(self);
1200     client_update_strut(self);
1201     client_update_icons(self);
1202     client_update_icon_geometry(self);
1203 }
1204
1205 static void client_get_startup_id(ObClient *self)
1206 {
1207     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1208         if (self->group)
1209             PROP_GETS(self->group->leader,
1210                       net_startup_id, utf8, &self->startup_id);
1211 }
1212
1213 static void client_get_area(ObClient *self)
1214 {
1215     XWindowAttributes wattrib;
1216     Status ret;
1217
1218     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1219     g_assert(ret != BadWindow);
1220
1221     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1222     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1223     self->border_width = wattrib.border_width;
1224
1225     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1226              wattrib.width, wattrib.height, wattrib.border_width);
1227 }
1228
1229 static void client_get_desktop(ObClient *self)
1230 {
1231     guint32 d = screen_num_desktops; /* an always-invalid value */
1232
1233     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1234         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1235             self->desktop = screen_num_desktops - 1;
1236         else
1237             self->desktop = d;
1238         ob_debug("client requested desktop 0x%x\n", self->desktop);
1239     } else {
1240         GSList *it;
1241         gboolean first = TRUE;
1242         guint all = screen_num_desktops; /* not a valid value */
1243
1244         /* if they are all on one desktop, then open it on the
1245            same desktop */
1246         for (it = self->parents; it; it = g_slist_next(it)) {
1247             ObClient *c = it->data;
1248
1249             if (c->desktop == DESKTOP_ALL) continue;
1250
1251             if (first) {
1252                 all = c->desktop;
1253                 first = FALSE;
1254             }
1255             else if (all != c->desktop)
1256                 all = screen_num_desktops; /* make it invalid */
1257         }
1258         if (all != screen_num_desktops) {
1259             self->desktop = all;
1260
1261             ob_debug("client desktop set from parents: 0x%x\n",
1262                      self->desktop);
1263         }
1264         /* try get from the startup-notification protocol */
1265         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1266             if (self->desktop >= screen_num_desktops &&
1267                 self->desktop != DESKTOP_ALL)
1268                 self->desktop = screen_num_desktops - 1;
1269             ob_debug("client desktop set from startup-notification: 0x%x\n",
1270                      self->desktop);
1271         }
1272         /* defaults to the current desktop */
1273         else {
1274             self->desktop = screen_desktop;
1275             ob_debug("client desktop set to the current desktop: %d\n",
1276                      self->desktop);
1277         }
1278     }
1279 }
1280
1281 static void client_get_state(ObClient *self)
1282 {
1283     guint32 *state;
1284     guint num;
1285
1286     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1287         gulong i;
1288         for (i = 0; i < num; ++i) {
1289             if (state[i] == prop_atoms.net_wm_state_modal)
1290                 self->modal = TRUE;
1291             else if (state[i] == prop_atoms.net_wm_state_shaded)
1292                 self->shaded = TRUE;
1293             else if (state[i] == prop_atoms.net_wm_state_hidden)
1294                 self->iconic = TRUE;
1295             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1296                 self->skip_taskbar = TRUE;
1297             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1298                 self->skip_pager = TRUE;
1299             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1300                 self->fullscreen = TRUE;
1301             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1302                 self->max_vert = TRUE;
1303             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1304                 self->max_horz = TRUE;
1305             else if (state[i] == prop_atoms.net_wm_state_above)
1306                 self->above = TRUE;
1307             else if (state[i] == prop_atoms.net_wm_state_below)
1308                 self->below = TRUE;
1309             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1310                 self->demands_attention = TRUE;
1311             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1312                 self->undecorated = TRUE;
1313         }
1314
1315         g_free(state);
1316     }
1317 }
1318
1319 static void client_get_shaped(ObClient *self)
1320 {
1321     self->shaped = FALSE;
1322 #ifdef SHAPE
1323     if (extensions_shape) {
1324         gint foo;
1325         guint ufoo;
1326         gint s;
1327
1328         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1329
1330         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1331                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1332                            &ufoo);
1333         self->shaped = !!s;
1334     }
1335 #endif
1336 }
1337
1338 void client_update_transient_for(ObClient *self)
1339 {
1340     Window t = None;
1341     ObClient *target = NULL;
1342     gboolean trangroup = FALSE;
1343
1344     if (XGetTransientForHint(ob_display, self->window, &t)) {
1345         if (t != self->window) { /* can't be transient to itself! */
1346             target = g_hash_table_lookup(window_map, &t);
1347             /* if this happens then we need to check for it */
1348             g_assert(target != self);
1349             if (target && !WINDOW_IS_CLIENT(target)) {
1350                 /* watch out for windows with a parent that is something
1351                    different, like a dockapp for example */
1352                 target = NULL;
1353             }
1354         }
1355
1356         /* Setting the transient_for to Root is actually illegal, however
1357            applications from time have done this to specify transient for
1358            their group */
1359         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1360             trangroup = TRUE;
1361     } else if (self->group && self->transient)
1362         trangroup = TRUE;
1363
1364     client_update_transient_tree(self, self->group, self->group,
1365                                  self->transient_for_group, trangroup,
1366                                  client_direct_parent(self), target);
1367     self->transient_for_group = trangroup;
1368
1369 }
1370
1371 static void client_update_transient_tree(ObClient *self,
1372                                          ObGroup *oldgroup, ObGroup *newgroup,
1373                                          gboolean oldgtran, gboolean newgtran,
1374                                          ObClient* oldparent,
1375                                          ObClient *newparent)
1376 {
1377     GSList *it, *next;
1378     ObClient *c;
1379
1380     g_assert(!oldgtran || oldgroup);
1381     g_assert(!newgtran || newgroup);
1382     g_assert((!oldgtran && !oldparent) ||
1383              (oldgtran && !oldparent) ||
1384              (!oldgtran && oldparent));
1385     g_assert((!newgtran && !newparent) ||
1386              (newgtran && !newparent) ||
1387              (!newgtran && newparent));
1388
1389     /* * *
1390       Group transient windows are not allowed to have other group
1391       transient windows as their children.
1392       * * */
1393
1394     /* No change has occured */
1395     if (oldgroup == newgroup &&
1396         oldgtran == newgtran &&
1397         oldparent == newparent) return;
1398
1399     /** Remove the client from the transient tree **/
1400
1401     for (it = self->transients; it; it = next) {
1402         next = g_slist_next(it);
1403         c = it->data;
1404         self->transients = g_slist_delete_link(self->transients, it);
1405         c->parents = g_slist_remove(c->parents, self);
1406     }
1407     for (it = self->parents; it; it = next) {
1408         next = g_slist_next(it);
1409         c = it->data;
1410         self->parents = g_slist_delete_link(self->parents, it);
1411         c->transients = g_slist_remove(c->transients, self);
1412     }
1413
1414     /** Re-add the client to the transient tree **/
1415
1416     /* If we're transient for a group then we need to add ourselves to all our
1417        parents */
1418     if (newgtran) {
1419         for (it = newgroup->members; it; it = g_slist_next(it)) {
1420             c = it->data;
1421             if (c != self &&
1422                 !client_search_top_direct_parent(c)->transient_for_group &&
1423                 client_normal(c))
1424             {
1425                 c->transients = g_slist_prepend(c->transients, self);
1426                 self->parents = g_slist_prepend(self->parents, c);
1427             }
1428         }
1429     }
1430
1431     /* If we are now transient for a single window we need to add ourselves to
1432        its children
1433
1434        WARNING: Cyclical transient-ness is possible if two windows are
1435        transient for eachother.
1436     */
1437     else if (newparent &&
1438              /* don't make ourself its child if it is already our child */
1439              !client_is_direct_child(self, newparent) &&
1440              client_normal(newparent))
1441     {
1442         newparent->transients = g_slist_prepend(newparent->transients, self);
1443         self->parents = g_slist_prepend(self->parents, newparent);
1444     }
1445
1446     /* Add any group transient windows to our children. But if we're transient
1447        for the group, then other group transients are not our children.
1448
1449        WARNING: Cyclical transient-ness is possible. For e.g. if:
1450        A is transient for the group
1451        B is transient for A
1452        C is transient for B
1453        A can't be transient for C or we have a cycle
1454     */
1455     if (!newgtran && newgroup &&
1456         (!newparent ||
1457          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1458         client_normal(self))
1459     {
1460         for (it = newgroup->members; it; it = g_slist_next(it)) {
1461             c = it->data;
1462             if (c != self && c->transient_for_group &&
1463                 /* Don't make it our child if it is already our parent */
1464                 !client_is_direct_child(c, self))
1465             {
1466                 self->transients = g_slist_prepend(self->transients, c);
1467                 c->parents = g_slist_prepend(c->parents, self);
1468             }
1469         }
1470     }
1471
1472     /** If we change our group transient-ness, our children change their
1473         effective group transient-ness, which affects how they relate to other
1474         group windows **/
1475
1476     for (it = self->transients; it; it = g_slist_next(it)) {
1477         c = it->data;
1478         if (!c->transient_for_group)
1479             client_update_transient_tree(c, c->group, c->group,
1480                                          c->transient_for_group,
1481                                          c->transient_for_group,
1482                                          client_direct_parent(c),
1483                                          client_direct_parent(c));
1484     }
1485 }
1486
1487 void client_get_mwm_hints(ObClient *self)
1488 {
1489     guint num;
1490     guint32 *hints;
1491
1492     self->mwmhints.flags = 0; /* default to none */
1493
1494     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1495                     &hints, &num)) {
1496         if (num >= OB_MWM_ELEMENTS) {
1497             self->mwmhints.flags = hints[0];
1498             self->mwmhints.functions = hints[1];
1499             self->mwmhints.decorations = hints[2];
1500         }
1501         g_free(hints);
1502     }
1503 }
1504
1505 void client_get_type_and_transientness(ObClient *self)
1506 {
1507     guint num, i;
1508     guint32 *val;
1509     Window t;
1510
1511     self->type = -1;
1512     self->transient = FALSE;
1513
1514     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1515         /* use the first value that we know about in the array */
1516         for (i = 0; i < num; ++i) {
1517             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1518                 self->type = OB_CLIENT_TYPE_DESKTOP;
1519             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1520                 self->type = OB_CLIENT_TYPE_DOCK;
1521             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1522                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1523             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1524                 self->type = OB_CLIENT_TYPE_MENU;
1525             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1526                 self->type = OB_CLIENT_TYPE_UTILITY;
1527             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1528                 self->type = OB_CLIENT_TYPE_SPLASH;
1529             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1530                 self->type = OB_CLIENT_TYPE_DIALOG;
1531             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1532                 self->type = OB_CLIENT_TYPE_NORMAL;
1533             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1534                 /* prevent this window from getting any decor or
1535                    functionality */
1536                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1537                                          OB_MWM_FLAG_DECORATIONS);
1538                 self->mwmhints.decorations = 0;
1539                 self->mwmhints.functions = 0;
1540             }
1541             if (self->type != (ObClientType) -1)
1542                 break; /* grab the first legit type */
1543         }
1544         g_free(val);
1545     }
1546
1547     if (XGetTransientForHint(ob_display, self->window, &t))
1548         self->transient = TRUE;
1549
1550     if (self->type == (ObClientType) -1) {
1551         /*the window type hint was not set, which means we either classify
1552           ourself as a normal window or a dialog, depending on if we are a
1553           transient. */
1554         if (self->transient)
1555             self->type = OB_CLIENT_TYPE_DIALOG;
1556         else
1557             self->type = OB_CLIENT_TYPE_NORMAL;
1558     }
1559
1560     /* then, based on our type, we can update our transientness.. */
1561     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1562         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1563         self->type == OB_CLIENT_TYPE_MENU ||
1564         self->type == OB_CLIENT_TYPE_UTILITY)
1565     {
1566         self->transient = TRUE;
1567     }
1568 }
1569
1570 void client_update_protocols(ObClient *self)
1571 {
1572     guint32 *proto;
1573     guint num_return, i;
1574
1575     self->focus_notify = FALSE;
1576     self->delete_window = FALSE;
1577
1578     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1579         for (i = 0; i < num_return; ++i) {
1580             if (proto[i] == prop_atoms.wm_delete_window)
1581                 /* this means we can request the window to close */
1582                 self->delete_window = TRUE;
1583             else if (proto[i] == prop_atoms.wm_take_focus)
1584                 /* if this protocol is requested, then the window will be
1585                    notified whenever we want it to receive focus */
1586                 self->focus_notify = TRUE;
1587             else if (proto[i] == prop_atoms.net_wm_ping)
1588                 /* if this protocol is requested, then the window will allow
1589                    pings to determine if it is still alive */
1590                 self->ping = TRUE;
1591 #ifdef SYNC
1592             else if (proto[i] == prop_atoms.net_wm_sync_request)
1593                 /* if this protocol is requested, then resizing the
1594                    window will be synchronized between the frame and the
1595                    client */
1596                 self->sync_request = TRUE;
1597 #endif
1598         }
1599         g_free(proto);
1600     }
1601 }
1602
1603 #ifdef SYNC
1604 void client_update_sync_request_counter(ObClient *self)
1605 {
1606     guint32 i;
1607
1608     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1609         self->sync_counter = i;
1610     } else
1611         self->sync_counter = None;
1612 }
1613 #endif
1614
1615 static void client_get_colormap(ObClient *self)
1616 {
1617     XWindowAttributes wa;
1618
1619     if (XGetWindowAttributes(ob_display, self->window, &wa))
1620         client_update_colormap(self, wa.colormap);
1621 }
1622
1623 void client_update_colormap(ObClient *self, Colormap colormap)
1624 {
1625     if (colormap == self->colormap) return;
1626
1627     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1628
1629     if (client_focused(self)) {
1630         screen_install_colormap(self, FALSE); /* uninstall old one */
1631         self->colormap = colormap;
1632         screen_install_colormap(self, TRUE); /* install new one */
1633     } else
1634         self->colormap = colormap;
1635 }
1636
1637 void client_update_normal_hints(ObClient *self)
1638 {
1639     XSizeHints size;
1640     glong ret;
1641
1642     /* defaults */
1643     self->min_ratio = 0.0f;
1644     self->max_ratio = 0.0f;
1645     SIZE_SET(self->size_inc, 1, 1);
1646     SIZE_SET(self->base_size, -1, -1);
1647     SIZE_SET(self->min_size, 0, 0);
1648     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1649
1650     /* get the hints from the window */
1651     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1652         /* normal windows can't request placement! har har
1653         if (!client_normal(self))
1654         */
1655         self->positioned = (size.flags & (PPosition|USPosition));
1656         self->sized = (size.flags & (PSize|USSize));
1657
1658         if (size.flags & PWinGravity)
1659             self->gravity = size.win_gravity;
1660
1661         if (size.flags & PAspect) {
1662             if (size.min_aspect.y)
1663                 self->min_ratio =
1664                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1665             if (size.max_aspect.y)
1666                 self->max_ratio =
1667                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1668         }
1669
1670         if (size.flags & PMinSize)
1671             SIZE_SET(self->min_size, size.min_width, size.min_height);
1672
1673         if (size.flags & PMaxSize)
1674             SIZE_SET(self->max_size, size.max_width, size.max_height);
1675
1676         if (size.flags & PBaseSize)
1677             SIZE_SET(self->base_size, size.base_width, size.base_height);
1678
1679         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1680             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1681
1682         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1683                  "size inc (%d %d) base size (%d %d)\n",
1684                  self->min_size.width, self->min_size.height,
1685                  self->max_size.width, self->max_size.height,
1686                  self->size_inc.width, self->size_inc.height,
1687                  self->base_size.width, self->base_size.height);
1688     }
1689     else
1690         ob_debug("Normal hints: not set\n");
1691 }
1692
1693 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1694 {
1695     /* start with everything (cept fullscreen) */
1696     self->decorations =
1697         (OB_FRAME_DECOR_TITLEBAR |
1698          OB_FRAME_DECOR_HANDLE |
1699          OB_FRAME_DECOR_GRIPS |
1700          OB_FRAME_DECOR_BORDER |
1701          OB_FRAME_DECOR_ICON |
1702          OB_FRAME_DECOR_ALLDESKTOPS |
1703          OB_FRAME_DECOR_ICONIFY |
1704          OB_FRAME_DECOR_MAXIMIZE |
1705          OB_FRAME_DECOR_SHADE |
1706          OB_FRAME_DECOR_CLOSE);
1707     self->functions =
1708         (OB_CLIENT_FUNC_RESIZE |
1709          OB_CLIENT_FUNC_MOVE |
1710          OB_CLIENT_FUNC_ICONIFY |
1711          OB_CLIENT_FUNC_MAXIMIZE |
1712          OB_CLIENT_FUNC_SHADE |
1713          OB_CLIENT_FUNC_CLOSE |
1714          OB_CLIENT_FUNC_BELOW |
1715          OB_CLIENT_FUNC_ABOVE |
1716          OB_CLIENT_FUNC_UNDECORATE);
1717
1718     if (!(self->min_size.width < self->max_size.width ||
1719           self->min_size.height < self->max_size.height))
1720         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1721
1722     switch (self->type) {
1723     case OB_CLIENT_TYPE_NORMAL:
1724         /* normal windows retain all of the possible decorations and
1725            functionality, and can be fullscreen */
1726         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1727         break;
1728
1729     case OB_CLIENT_TYPE_DIALOG:
1730         /* sometimes apps make dialog windows fullscreen for some reason (for
1731            e.g. kpdf does this..) */
1732         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1733         break;
1734
1735     case OB_CLIENT_TYPE_UTILITY:
1736         /* these windows don't have anything added or removed by default */
1737         break;
1738
1739     case OB_CLIENT_TYPE_MENU:
1740     case OB_CLIENT_TYPE_TOOLBAR:
1741         /* these windows can't iconify or maximize */
1742         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1743                                OB_FRAME_DECOR_MAXIMIZE);
1744         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1745                              OB_CLIENT_FUNC_MAXIMIZE);
1746         break;
1747
1748     case OB_CLIENT_TYPE_SPLASH:
1749         /* these don't get get any decorations, and the only thing you can
1750            do with them is move them */
1751         self->decorations = 0;
1752         self->functions = OB_CLIENT_FUNC_MOVE;
1753         break;
1754
1755     case OB_CLIENT_TYPE_DESKTOP:
1756         /* these windows are not manipulated by the window manager */
1757         self->decorations = 0;
1758         self->functions = 0;
1759         break;
1760
1761     case OB_CLIENT_TYPE_DOCK:
1762         /* these windows are not manipulated by the window manager, but they
1763            can set below layer which has a special meaning */
1764         self->decorations = 0;
1765         self->functions = OB_CLIENT_FUNC_BELOW;
1766         break;
1767     }
1768
1769     /* Mwm Hints are applied subtractively to what has already been chosen for
1770        decor and functionality */
1771     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1772         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1773             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1774                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1775             {
1776                 /* if the mwm hints request no handle or title, then all
1777                    decorations are disabled, but keep the border if that's
1778                    specified */
1779                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1780                     self->decorations = OB_FRAME_DECOR_BORDER;
1781                 else
1782                     self->decorations = 0;
1783             }
1784         }
1785     }
1786
1787     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1788         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1789             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1790                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1791             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1792                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1793             /* dont let mwm hints kill any buttons
1794                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1795                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1796                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1797                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1798             */
1799             /* dont let mwm hints kill the close button
1800                if (! (self->mwmhints.functions & MwmFunc_Close))
1801                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1802         }
1803     }
1804
1805     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1806         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1807     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1808         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1809     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1810         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1811
1812     /* can't maximize without moving/resizing */
1813     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1814           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1815           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1816         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1817         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1818     }
1819
1820     if (self->max_horz && self->max_vert) {
1821         /* you can't resize fully maximized windows */
1822         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1823         /* kill the handle on fully maxed windows */
1824         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1825     }
1826
1827     /* If there are no decorations to remove, don't allow the user to try
1828        toggle the state */
1829     if (self->decorations == 0)
1830         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1831
1832     /* finally, the user can have requested no decorations, which overrides
1833        everything (but doesnt give it a border if it doesnt have one) */
1834     if (self->undecorated)
1835         self->decorations &= (config_theme_keepborder ?
1836                               OB_FRAME_DECOR_BORDER : 0);
1837
1838     /* if we don't have a titlebar, then we cannot shade! */
1839     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1840         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1841
1842     /* now we need to check against rules for the client's current state */
1843     if (self->fullscreen) {
1844         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1845                             OB_CLIENT_FUNC_FULLSCREEN |
1846                             OB_CLIENT_FUNC_ICONIFY);
1847         self->decorations = 0;
1848     }
1849
1850     client_change_allowed_actions(self);
1851
1852     if (reconfig)
1853         /* force reconfigure to make sure decorations are updated */
1854         client_reconfigure(self, TRUE);
1855 }
1856
1857 static void client_change_allowed_actions(ObClient *self)
1858 {
1859     gulong actions[12];
1860     gint num = 0;
1861
1862     /* desktop windows are kept on all desktops */
1863     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1864         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1865
1866     if (self->functions & OB_CLIENT_FUNC_SHADE)
1867         actions[num++] = prop_atoms.net_wm_action_shade;
1868     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1869         actions[num++] = prop_atoms.net_wm_action_close;
1870     if (self->functions & OB_CLIENT_FUNC_MOVE)
1871         actions[num++] = prop_atoms.net_wm_action_move;
1872     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1873         actions[num++] = prop_atoms.net_wm_action_minimize;
1874     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1875         actions[num++] = prop_atoms.net_wm_action_resize;
1876     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1877         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1878     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1879         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1880         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1881     }
1882     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1883         actions[num++] = prop_atoms.net_wm_action_above;
1884     if (self->functions & OB_CLIENT_FUNC_BELOW)
1885         actions[num++] = prop_atoms.net_wm_action_below;
1886     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1887         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1888
1889     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1890
1891    /* make sure the window isn't breaking any rules now
1892
1893    don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1894    it can't be iconified with its parent
1895    */
1896
1897     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1898         if (self->frame) client_shade(self, FALSE);
1899         else self->shaded = FALSE;
1900     }
1901     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1902         if (self->frame) client_fullscreen(self, FALSE);
1903         else self->fullscreen = FALSE;
1904     }
1905     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1906                                                          self->max_vert)) {
1907         if (self->frame) client_maximize(self, FALSE, 0);
1908         else self->max_vert = self->max_horz = FALSE;
1909     }
1910 }
1911
1912 void client_update_wmhints(ObClient *self)
1913 {
1914     XWMHints *hints;
1915
1916     /* assume a window takes input if it doesn't specify */
1917     self->can_focus = TRUE;
1918
1919     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1920         gboolean ur;
1921
1922         if (hints->flags & InputHint)
1923             self->can_focus = hints->input;
1924
1925         /* only do this when first managing the window *AND* when we aren't
1926            starting up! */
1927         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1928             if (hints->flags & StateHint)
1929                 self->iconic = hints->initial_state == IconicState;
1930
1931         ur = self->urgent;
1932         self->urgent = (hints->flags & XUrgencyHint);
1933         if (self->urgent && !ur)
1934             client_hilite(self, TRUE);
1935         else if (!self->urgent && ur && self->demands_attention)
1936             client_hilite(self, FALSE);
1937
1938         if (!(hints->flags & WindowGroupHint))
1939             hints->window_group = None;
1940
1941         /* did the group state change? */
1942         if (hints->window_group !=
1943             (self->group ? self->group->leader : None))
1944         {
1945             ObGroup *oldgroup = self->group;
1946
1947             /* remove from the old group if there was one */
1948             if (self->group) {
1949                 group_remove(self->group, self);
1950                 self->group = NULL;
1951             }
1952
1953             /* add ourself to the group if we have one */
1954             if (hints->window_group != None) {
1955                 self->group = group_add(hints->window_group, self);
1956             }
1957
1958             /* Put ourselves into the new group's transient tree, and remove
1959                ourselves from the old group's */
1960             client_update_transient_tree(self, oldgroup, self->group,
1961                                          self->transient_for_group,
1962                                          self->transient_for_group,
1963                                          client_direct_parent(self),
1964                                          client_direct_parent(self));
1965
1966             /* Lastly, being in a group, or not, can change if the window is
1967                transient for anything.
1968
1969                The logic for this is:
1970                self->transient = TRUE always if the window wants to be
1971                transient for something, even if transient_for was NULL because
1972                it wasn't in a group before.
1973
1974                If parents was NULL and oldgroup was NULL we can assume
1975                that when we add the new group, it will become transient for
1976                something.
1977
1978                If transient_for_group is TRUE, then it must have already
1979                had a group. If it is getting a new group, the above call to
1980                client_update_transient_tree has already taken care of
1981                everything ! If it is losing all group status then it will
1982                no longer be transient for anything and that needs to be
1983                updated.
1984             */
1985             if (self->transient &&
1986                 ((self->parents == NULL && oldgroup == NULL) ||
1987                  (self->transient_for_group && !self->group)))
1988                 client_update_transient_for(self);
1989         }
1990
1991         /* the WM_HINTS can contain an icon */
1992         if (hints->flags & IconPixmapHint)
1993             client_update_icons(self);
1994
1995         XFree(hints);
1996     }
1997 }
1998
1999 void client_update_title(ObClient *self)
2000 {
2001     gchar *data = NULL;
2002     gchar *visible = NULL;
2003
2004     g_free(self->title);
2005     g_free(self->original_title);
2006
2007     /* try netwm */
2008     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
2009         /* try old x stuff */
2010         if (!(PROP_GETS(self->window, wm_name, locale, &data)
2011               || PROP_GETS(self->window, wm_name, utf8, &data))) {
2012             if (self->transient) {
2013     /*
2014     GNOME alert windows are not given titles:
2015     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
2016     */
2017                 data = g_strdup("");
2018             } else
2019                 data = g_strdup(_("Unnamed Window"));
2020         }
2021     }
2022     self->original_title = g_strdup(data);
2023
2024     if (self->client_machine) {
2025         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2026         g_free(data);
2027     } else
2028         visible = data;
2029
2030     if (self->not_responding) {
2031         data = visible;
2032         if (self->kill_level > 0)
2033             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2034         else
2035             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2036         g_free(data);
2037     }
2038
2039     PROP_SETS(self->window, net_wm_visible_name, visible);
2040     self->title = visible;
2041
2042     if (self->frame)
2043         frame_adjust_title(self->frame);
2044
2045     /* update the icon title */
2046     data = NULL;
2047     g_free(self->icon_title);
2048
2049     /* try netwm */
2050     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
2051         /* try old x stuff */
2052         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
2053               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
2054             data = g_strdup(self->title);
2055
2056     if (self->client_machine) {
2057         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2058         g_free(data);
2059     } else
2060         visible = data;
2061
2062     if (self->not_responding) {
2063         data = visible;
2064         if (self->kill_level > 0)
2065             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2066         else
2067             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2068         g_free(data);
2069     }
2070
2071     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
2072     self->icon_title = visible;
2073 }
2074
2075 void client_update_strut(ObClient *self)
2076 {
2077     guint num;
2078     guint32 *data;
2079     gboolean got = FALSE;
2080     StrutPartial strut;
2081
2082     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
2083                     &data, &num)) {
2084         if (num == 12) {
2085             got = TRUE;
2086             STRUT_PARTIAL_SET(strut,
2087                               data[0], data[2], data[1], data[3],
2088                               data[4], data[5], data[8], data[9],
2089                               data[6], data[7], data[10], data[11]);
2090         }
2091         g_free(data);
2092     }
2093
2094     if (!got &&
2095         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
2096         if (num == 4) {
2097             Rect *a;
2098
2099             got = TRUE;
2100
2101             /* use the screen's width/height */
2102             a = screen_physical_area_all_monitors();
2103
2104             STRUT_PARTIAL_SET(strut,
2105                               data[0], data[2], data[1], data[3],
2106                               a->y, a->y + a->height - 1,
2107                               a->x, a->x + a->width - 1,
2108                               a->y, a->y + a->height - 1,
2109                               a->x, a->x + a->width - 1);
2110             g_free(a);
2111         }
2112         g_free(data);
2113     }
2114
2115     if (!got)
2116         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2117                           0, 0, 0, 0, 0, 0, 0, 0);
2118
2119     if (!PARTIAL_STRUT_EQUAL(strut, self->strut)) {
2120         self->strut = strut;
2121
2122         /* updating here is pointless while we're being mapped cuz we're not in
2123            the client list yet */
2124         if (self->frame)
2125             screen_update_areas();
2126     }
2127 }
2128
2129 void client_update_icons(ObClient *self)
2130 {
2131     guint num;
2132     guint32 *data;
2133     guint w, h, i, j;
2134     guint num_seen;  /* number of icons present */
2135     RrImage *img;
2136
2137     img = NULL;
2138
2139     /* grab the server, because we might be setting the window's icon and
2140        we don't want them to set it in between and we overwrite their own
2141        icon */
2142     grab_server(TRUE);
2143
2144     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2145         /* figure out how many valid icons are in here */
2146         i = 0;
2147         num_seen = 0;
2148         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2149             w = data[i++];
2150             h = data[i++];
2151             /* watch for the data being too small for the specified size,
2152                or for zero sized icons. */
2153             if (i + w*h > num || w == 0 || h == 0) break;
2154
2155             /* convert it to the right bit order for ObRender */
2156             for (j = 0; j < w*h; ++j)
2157                 data[i+j] =
2158                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2159                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2160                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2161                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2162
2163             /* is it in the cache? */
2164             img = RrImageCacheFind(ob_rr_icons, &data[i], w, h);
2165             if (img) RrImageRef(img); /* own it */
2166
2167             i += w*h;
2168             ++num_seen;
2169
2170             /* don't bother looping anymore if we already found it in the cache
2171                since we'll just use that! */
2172             if (img) break;
2173         }
2174
2175         /* if it's not in the cache yet, then add it to the cache now.
2176            we have already converted it to the correct bit order above */
2177         if (!img && num_seen > 0) {
2178             img = RrImageNew(ob_rr_icons);
2179             i = 0;
2180             for (j = 0; j < num_seen; ++j) {
2181                 w = data[i++];
2182                 h = data[i++];
2183                 RrImageAddPicture(img, &data[i], w, h);
2184                 i += w*h;
2185             }
2186         }
2187
2188         g_free(data);
2189     }
2190
2191     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2192        legacy X hints */
2193     if (!img) {
2194         XWMHints *hints;
2195
2196         if ((hints = XGetWMHints(ob_display, self->window))) {
2197             if (hints->flags & IconPixmapHint) {
2198                 gboolean xicon;
2199                 xerror_set_ignore(TRUE);
2200                 xicon = RrPixmapToRGBA(ob_rr_inst,
2201                                        hints->icon_pixmap,
2202                                        (hints->flags & IconMaskHint ?
2203                                         hints->icon_mask : None),
2204                                        (gint*)&w, (gint*)&h, &data);
2205                 xerror_set_ignore(FALSE);
2206
2207                 if (xicon) {
2208                     if (w > 0 && h > 0) {
2209                         /* is this icon in the cache yet? */
2210                         img = RrImageCacheFind(ob_rr_icons, data, w, h);
2211                         if (img) RrImageRef(img); /* own it */
2212
2213                         /* if not, then add it */
2214                         if (!img) {
2215                             img = RrImageNew(ob_rr_icons);
2216                             RrImageAddPicture(img, data, w, h);
2217                         }
2218                     }
2219
2220                     g_free(data);
2221                 }
2222             }
2223             XFree(hints);
2224         }
2225     }
2226
2227     /* set the client's icons to be whatever we found */
2228     RrImageUnref(self->icon_set);
2229     self->icon_set = img;
2230
2231     /* if the client has no icon at all, then we set a default icon onto it.
2232        but, if it has parents, then one of them will have an icon already
2233     */
2234     if (!self->icon_set && !self->parents) {
2235         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2236         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2237
2238         w = ob_rr_theme->def_win_icon_w;
2239         h = ob_rr_theme->def_win_icon_h;
2240         ldata = g_new(gulong, w*h+2);
2241         ldata[0] = w;
2242         ldata[1] = h;
2243         for (i = 0; i < w*h; ++i)
2244             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2245                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2246                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2247                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2248         PROP_SETA32(self->window, net_wm_icon, cardinal, ldata, w*h+2);
2249         g_free(ldata);
2250     } else if (self->frame)
2251         /* don't draw the icon empty if we're just setting one now anyways,
2252            we'll get the property change any second */
2253         frame_adjust_icon(self->frame);
2254
2255     grab_server(FALSE);
2256 }
2257
2258 void client_update_icon_geometry(ObClient *self)
2259 {
2260     guint num;
2261     guint32 *data;
2262
2263     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2264
2265     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num))
2266     {
2267         if (num == 4)
2268             /* don't let them set it with an area < 0 */
2269             RECT_SET(self->icon_geometry, data[0], data[1],
2270                      MAX(data[2],0), MAX(data[3],0));
2271         g_free(data);
2272     }
2273 }
2274
2275 static void client_get_session_ids(ObClient *self)
2276 {
2277     guint32 leader;
2278     gboolean got;
2279     gchar *s;
2280     gchar **ss;
2281
2282     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2283         leader = None;
2284
2285     /* get the SM_CLIENT_ID */
2286     got = FALSE;
2287     if (leader)
2288         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2289     if (!got)
2290         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2291
2292     /* get the WM_CLASS (name and class). make them "" if they are not
2293        provided */
2294     got = FALSE;
2295     if (leader)
2296         got = PROP_GETSS(leader, wm_class, locale, &ss);
2297     if (!got)
2298         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2299
2300     if (got) {
2301         if (ss[0]) {
2302             self->name = g_strdup(ss[0]);
2303             if (ss[1])
2304                 self->class = g_strdup(ss[1]);
2305         }
2306         g_strfreev(ss);
2307     }
2308
2309     if (self->name == NULL) self->name = g_strdup("");
2310     if (self->class == NULL) self->class = g_strdup("");
2311
2312     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2313     got = FALSE;
2314     if (leader)
2315         got = PROP_GETS(leader, wm_window_role, locale, &s);
2316     if (!got)
2317         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2318
2319     if (got)
2320         self->role = s;
2321     else
2322         self->role = g_strdup("");
2323
2324     /* get the WM_COMMAND */
2325     got = FALSE;
2326
2327     if (leader)
2328         got = PROP_GETSS(leader, wm_command, locale, &ss);
2329     if (!got)
2330         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2331
2332     if (got) {
2333         /* merge/mash them all together */
2334         gchar *merge = NULL;
2335         gint i;
2336
2337         for (i = 0; ss[i]; ++i) {
2338             gchar *tmp = merge;
2339             if (merge)
2340                 merge = g_strconcat(merge, ss[i], NULL);
2341             else
2342                 merge = g_strconcat(ss[i], NULL);
2343             g_free(tmp);
2344         }
2345         g_strfreev(ss);
2346
2347         self->wm_command = merge;
2348     }
2349
2350     /* get the WM_CLIENT_MACHINE */
2351     got = FALSE;
2352     if (leader)
2353         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2354     if (!got)
2355         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2356
2357     if (got) {
2358         gchar localhost[128];
2359         guint32 pid;
2360
2361         gethostname(localhost, 127);
2362         localhost[127] = '\0';
2363         if (strcmp(localhost, s) != 0)
2364             self->client_machine = s;
2365         else
2366             g_free(s);
2367
2368         /* see if it has the PID set too (the PID requires that the
2369            WM_CLIENT_MACHINE be set) */
2370         if (PROP_GET32(self->window, net_wm_pid, cardinal, &pid))
2371             self->pid = pid;
2372     }
2373 }
2374
2375 /*! Save the session IDs as seen by Openbox when the window mapped, so that
2376   users can still access them later if the app changes them */
2377 static void client_save_session_ids(ObClient *self)
2378 {
2379     PROP_SETS(self->window, ob_role, self->role);
2380     PROP_SETS(self->window, ob_name, self->name);
2381     PROP_SETS(self->window, ob_class, self->class);
2382 }
2383
2384 static void client_change_wm_state(ObClient *self)
2385 {
2386     gulong state[2];
2387     glong old;
2388
2389     old = self->wmstate;
2390
2391     if (self->shaded || self->iconic ||
2392         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2393     {
2394         self->wmstate = IconicState;
2395     } else
2396         self->wmstate = NormalState;
2397
2398     if (old != self->wmstate) {
2399         PROP_MSG(self->window, kde_wm_change_state,
2400                  self->wmstate, 1, 0, 0);
2401
2402         state[0] = self->wmstate;
2403         state[1] = None;
2404         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2405     }
2406 }
2407
2408 static void client_change_state(ObClient *self)
2409 {
2410     gulong netstate[12];
2411     guint num;
2412
2413     num = 0;
2414     if (self->modal)
2415         netstate[num++] = prop_atoms.net_wm_state_modal;
2416     if (self->shaded)
2417         netstate[num++] = prop_atoms.net_wm_state_shaded;
2418     if (self->iconic)
2419         netstate[num++] = prop_atoms.net_wm_state_hidden;
2420     if (self->skip_taskbar)
2421         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2422     if (self->skip_pager)
2423         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2424     if (self->fullscreen)
2425         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2426     if (self->max_vert)
2427         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2428     if (self->max_horz)
2429         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2430     if (self->above)
2431         netstate[num++] = prop_atoms.net_wm_state_above;
2432     if (self->below)
2433         netstate[num++] = prop_atoms.net_wm_state_below;
2434     if (self->demands_attention)
2435         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2436     if (self->undecorated)
2437         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2438     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2439
2440     if (self->frame)
2441         frame_adjust_state(self->frame);
2442 }
2443
2444 ObClient *client_search_focus_tree(ObClient *self)
2445 {
2446     GSList *it;
2447     ObClient *ret;
2448
2449     for (it = self->transients; it; it = g_slist_next(it)) {
2450         if (client_focused(it->data)) return it->data;
2451         if ((ret = client_search_focus_tree(it->data))) return ret;
2452     }
2453     return NULL;
2454 }
2455
2456 ObClient *client_search_focus_tree_full(ObClient *self)
2457 {
2458     if (self->parents) {
2459         GSList *it;
2460
2461         for (it = self->parents; it; it = g_slist_next(it)) {
2462             ObClient *c = it->data;
2463             if ((c = client_search_focus_tree_full(it->data))) return c;
2464         }
2465
2466         return NULL;
2467     }
2468     else {
2469         /* this function checks the whole tree, the client_search_focus_tree
2470            does not, so we need to check this window */
2471         if (client_focused(self))
2472             return self;
2473         return client_search_focus_tree(self);
2474     }
2475 }
2476
2477 ObClient *client_search_focus_group_full(ObClient *self)
2478 {
2479     GSList *it;
2480
2481     if (self->group) {
2482         for (it = self->group->members; it; it = g_slist_next(it)) {
2483             ObClient *c = it->data;
2484
2485             if (client_focused(c)) return c;
2486             if ((c = client_search_focus_tree(it->data))) return c;
2487         }
2488     } else
2489         if (client_focused(self)) return self;
2490     return NULL;
2491 }
2492
2493 gboolean client_has_parent(ObClient *self)
2494 {
2495     return self->parents != NULL;
2496 }
2497
2498 static ObStackingLayer calc_layer(ObClient *self)
2499 {
2500     ObStackingLayer l;
2501     Rect *monitor;
2502
2503     monitor = screen_physical_area_monitor(client_monitor(self));
2504
2505     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2506         l = OB_STACKING_LAYER_DESKTOP;
2507     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2508         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2509         else l = OB_STACKING_LAYER_ABOVE;
2510     }
2511     else if ((self->fullscreen ||
2512               /* No decorations and fills the monitor = oldskool fullscreen.
2513                  But not for maximized windows.
2514               */
2515               (self->decorations == 0 &&
2516                !(self->max_horz && self->max_vert) &&
2517                RECT_EQUAL(self->area, *monitor))) &&
2518              /* you are fullscreen while you or your children are focused.. */
2519              (client_focused(self) || client_search_focus_tree(self) ||
2520               /* you can be fullscreen if you're on another desktop */
2521               (self->desktop != screen_desktop &&
2522                self->desktop != DESKTOP_ALL) ||
2523               /* and you can also be fullscreen if the focused client is on
2524                  another monitor, or nothing else is focused */
2525               (!focus_client ||
2526                client_monitor(focus_client) != client_monitor(self))))
2527         l = OB_STACKING_LAYER_FULLSCREEN;
2528     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2529     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2530     else l = OB_STACKING_LAYER_NORMAL;
2531
2532     g_free(monitor);
2533
2534     return l;
2535 }
2536
2537 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2538                                         ObStackingLayer min)
2539 {
2540     ObStackingLayer old, own;
2541     GSList *it;
2542
2543     old = self->layer;
2544     own = calc_layer(self);
2545     self->layer = MAX(own, min);
2546
2547     if (self->layer != old) {
2548         stacking_remove(CLIENT_AS_WINDOW(self));
2549         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2550     }
2551
2552     /* we've been restacked */
2553     self->visited = TRUE;
2554
2555     for (it = self->transients; it; it = g_slist_next(it))
2556         client_calc_layer_recursive(it->data, orig,
2557                                     self->layer);
2558 }
2559
2560 static void client_calc_layer_internal(ObClient *self)
2561 {
2562     GSList *sit;
2563
2564     /* transients take on the layer of their parents */
2565     sit = client_search_all_top_parents(self);
2566
2567     for (; sit; sit = g_slist_next(sit))
2568         client_calc_layer_recursive(sit->data, self, 0);
2569 }
2570
2571 void client_calc_layer(ObClient *self)
2572 {
2573     GList *it;
2574
2575     /* skip over stuff above fullscreen layer */
2576     for (it = stacking_list; it; it = g_list_next(it))
2577         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2578
2579     /* find the windows in the fullscreen layer, and mark them not-visited */
2580     for (; it; it = g_list_next(it)) {
2581         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2582         else if (WINDOW_IS_CLIENT(it->data))
2583             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2584     }
2585
2586     client_calc_layer_internal(self);
2587
2588     /* skip over stuff above fullscreen layer */
2589     for (it = stacking_list; it; it = g_list_next(it))
2590         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2591
2592     /* now recalc any windows in the fullscreen layer which have not
2593        had their layer recalced already */
2594     for (; it; it = g_list_next(it)) {
2595         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2596         else if (WINDOW_IS_CLIENT(it->data) &&
2597                  !WINDOW_AS_CLIENT(it->data)->visited)
2598             client_calc_layer_internal(it->data);
2599     }
2600 }
2601
2602 gboolean client_should_show(ObClient *self)
2603 {
2604     if (self->iconic)
2605         return FALSE;
2606     if (client_normal(self) && screen_showing_desktop)
2607         return FALSE;
2608     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2609         return TRUE;
2610
2611     return FALSE;
2612 }
2613
2614 gboolean client_show(ObClient *self)
2615 {
2616     gboolean show = FALSE;
2617
2618     if (client_should_show(self)) {
2619         /* replay pending pointer event before showing the window, in case it
2620            should be going to something under the window */
2621         mouse_replay_pointer();
2622
2623         frame_show(self->frame);
2624         show = TRUE;
2625
2626         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2627            it needs to be in IconicState. This includes when it is on another
2628            desktop!
2629         */
2630         client_change_wm_state(self);
2631     }
2632     return show;
2633 }
2634
2635 gboolean client_hide(ObClient *self)
2636 {
2637     gboolean hide = FALSE;
2638
2639     if (!client_should_show(self)) {
2640         /* We don't need to ignore enter events here.
2641            The window can hide/iconify in 3 different ways:
2642            1 - through an x message. in this case we ignore all enter events
2643                caused by responding to the x message (unless underMouse)
2644            2 - by a keyboard action. in this case we ignore all enter events
2645                caused by the action
2646            3 - by a mouse action. in this case they are doing stuff with the
2647                mouse and focus _should_ move.
2648
2649            Also in action_end, we simulate an enter event that can't be ignored
2650            so trying to ignore them is futile in case 3 anyways
2651         */
2652
2653         /* replay pending pointer event before hiding the window, in case it
2654            should be going to the window */
2655         mouse_replay_pointer();
2656
2657         frame_hide(self->frame);
2658         hide = TRUE;
2659
2660         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2661            it needs to be in IconicState. This includes when it is on another
2662            desktop!
2663         */
2664         client_change_wm_state(self);
2665     }
2666     return hide;
2667 }
2668
2669 void client_showhide(ObClient *self)
2670 {
2671     if (!client_show(self))
2672         client_hide(self);
2673 }
2674
2675 gboolean client_normal(ObClient *self) {
2676     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2677               self->type == OB_CLIENT_TYPE_DOCK ||
2678               self->type == OB_CLIENT_TYPE_SPLASH);
2679 }
2680
2681 gboolean client_helper(ObClient *self)
2682 {
2683     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2684             self->type == OB_CLIENT_TYPE_MENU ||
2685             self->type == OB_CLIENT_TYPE_TOOLBAR);
2686 }
2687
2688 gboolean client_mouse_focusable(ObClient *self)
2689 {
2690     return !(self->type == OB_CLIENT_TYPE_MENU ||
2691              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2692              self->type == OB_CLIENT_TYPE_SPLASH ||
2693              self->type == OB_CLIENT_TYPE_DOCK);
2694 }
2695
2696 gboolean client_enter_focusable(ObClient *self)
2697 {
2698     /* you can focus desktops but it shouldn't on enter */
2699     return (client_mouse_focusable(self) &&
2700             self->type != OB_CLIENT_TYPE_DESKTOP);
2701 }
2702
2703 static void client_apply_startup_state(ObClient *self,
2704                                        gint x, gint y, gint w, gint h)
2705 {
2706     /* save the states that we are going to apply */
2707     gboolean iconic = self->iconic;
2708     gboolean fullscreen = self->fullscreen;
2709     gboolean undecorated = self->undecorated;
2710     gboolean shaded = self->shaded;
2711     gboolean demands_attention = self->demands_attention;
2712     gboolean max_horz = self->max_horz;
2713     gboolean max_vert = self->max_vert;
2714     Rect oldarea;
2715     gint l;
2716
2717     /* turn them all off in the client, so they won't affect the window
2718        being placed */
2719     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2720         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2721
2722     /* move the client to its placed position, or it it's already there,
2723        generate a ConfigureNotify telling the client where it is.
2724
2725        do this after adjusting the frame. otherwise it gets all weird and
2726        clients don't work right
2727
2728        do this before applying the states so they have the correct
2729        pre-max/pre-fullscreen values
2730     */
2731     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2732     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2733              self->window, x, y, w, h);
2734     /* save the area, and make it where it should be for the premax stuff */
2735     oldarea = self->area;
2736     RECT_SET(self->area, x, y, w, h);
2737
2738     /* apply the states. these are in a carefully crafted order.. */
2739
2740     if (iconic)
2741         client_iconify(self, TRUE, FALSE, TRUE);
2742     if (fullscreen)
2743         client_fullscreen(self, TRUE);
2744     if (undecorated)
2745         client_set_undecorated(self, TRUE);
2746     if (shaded)
2747         client_shade(self, TRUE);
2748     if (demands_attention)
2749         client_hilite(self, TRUE);
2750
2751     if (max_vert && max_horz)
2752         client_maximize(self, TRUE, 0);
2753     else if (max_vert)
2754         client_maximize(self, TRUE, 2);
2755     else if (max_horz)
2756         client_maximize(self, TRUE, 1);
2757
2758     /* if the window hasn't been configured yet, then do so now, in fact the
2759        x,y,w,h may _not_ be the same as the area rect, which can end up
2760        meaning that the client isn't properly moved/resized by the fullscreen
2761        function
2762        pho can cause this because it maps at size of the screen but not 0,0
2763        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2764        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2765        cuz thats where the pre-fullscreen will be. however the actual area is
2766        not, so this needs to be called even if we have fullscreened/maxed
2767     */
2768     self->area = oldarea;
2769     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2770
2771     /* set the desktop hint, to make sure that it always exists */
2772     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2773
2774     /* nothing to do for the other states:
2775        skip_taskbar
2776        skip_pager
2777        modal
2778        above
2779        below
2780     */
2781 }
2782
2783 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2784 {
2785     /* these should be the current values. this is for when you're not moving,
2786        just resizing */
2787     g_assert(*x == self->area.x);
2788     g_assert(oldw == self->area.width);
2789
2790     /* horizontal */
2791     switch (self->gravity) {
2792     default:
2793     case NorthWestGravity:
2794     case WestGravity:
2795     case SouthWestGravity:
2796     case StaticGravity:
2797     case ForgetGravity:
2798         break;
2799     case NorthGravity:
2800     case CenterGravity:
2801     case SouthGravity:
2802         *x -= (neww - oldw) / 2;
2803         break;
2804     case NorthEastGravity:
2805     case EastGravity:
2806     case SouthEastGravity:
2807         *x -= neww - oldw;
2808         break;
2809     }
2810 }
2811
2812 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2813 {
2814     /* these should be the current values. this is for when you're not moving,
2815        just resizing */
2816     g_assert(*y == self->area.y);
2817     g_assert(oldh == self->area.height);
2818
2819     /* vertical */
2820     switch (self->gravity) {
2821     default:
2822     case NorthWestGravity:
2823     case NorthGravity:
2824     case NorthEastGravity:
2825     case StaticGravity:
2826     case ForgetGravity:
2827         break;
2828     case WestGravity:
2829     case CenterGravity:
2830     case EastGravity:
2831         *y -= (newh - oldh) / 2;
2832         break;
2833     case SouthWestGravity:
2834     case SouthGravity:
2835     case SouthEastGravity:
2836         *y -= newh - oldh;
2837         break;
2838     }
2839 }
2840
2841 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2842                           gint *logicalw, gint *logicalh,
2843                           gboolean user)
2844 {
2845     Rect desired = {*x, *y, *w, *h};
2846     frame_rect_to_frame(self->frame, &desired);
2847
2848     /* make the frame recalculate its dimensions n shit without changing
2849        anything visible for real, this way the constraints below can work with
2850        the updated frame dimensions. */
2851     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2852
2853     /* gets the frame's position */
2854     frame_client_gravity(self->frame, x, y);
2855
2856     /* these positions are frame positions, not client positions */
2857
2858     /* set the size and position if fullscreen */
2859     if (self->fullscreen) {
2860         Rect *a;
2861         guint i;
2862
2863         i = screen_find_monitor(&desired);
2864         a = screen_physical_area_monitor(i);
2865
2866         *x = a->x;
2867         *y = a->y;
2868         *w = a->width;
2869         *h = a->height;
2870
2871         user = FALSE; /* ignore if the client can't be moved/resized when it
2872                          is fullscreening */
2873
2874         g_free(a);
2875     } else if (self->max_horz || self->max_vert) {
2876         Rect *a;
2877         guint i;
2878
2879         /* use all possible struts when maximizing to the full screen */
2880         i = screen_find_monitor(&desired);
2881         a = screen_area(self->desktop, i,
2882                         (self->max_horz && self->max_vert ? NULL : &desired));
2883
2884         /* set the size and position if maximized */
2885         if (self->max_horz) {
2886             *x = a->x;
2887             *w = a->width - self->frame->size.left - self->frame->size.right;
2888         }
2889         if (self->max_vert) {
2890             *y = a->y;
2891             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2892         }
2893
2894         user = FALSE; /* ignore if the client can't be moved/resized when it
2895                          is maximizing */
2896
2897         g_free(a);
2898     }
2899
2900     /* gets the client's position */
2901     frame_frame_gravity(self->frame, x, y);
2902
2903     /* work within the preferred sizes given by the window, these may have
2904        changed rather than it's requested width and height, so always run
2905        through this code */
2906     {
2907         gint basew, baseh, minw, minh;
2908         gint incw, inch;
2909         gfloat minratio, maxratio;
2910
2911         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2912         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2913         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2914             0 : self->min_ratio;
2915         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2916             0 : self->max_ratio;
2917
2918         /* base size is substituted with min size if not specified */
2919         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
2920             basew = self->base_size.width;
2921             baseh = self->base_size.height;
2922         } else {
2923             basew = self->min_size.width;
2924             baseh = self->min_size.height;
2925         }
2926         /* min size is substituted with base size if not specified */
2927         if (self->min_size.width || self->min_size.height) {
2928             minw = self->min_size.width;
2929             minh = self->min_size.height;
2930         } else {
2931             minw = self->base_size.width;
2932             minh = self->base_size.height;
2933         }
2934
2935         /* This comment is no longer true */
2936         /* if this is a user-requested resize, then check against min/max
2937            sizes */
2938
2939         /* smaller than min size or bigger than max size? */
2940         if (*w > self->max_size.width) *w = self->max_size.width;
2941         if (*w < minw) *w = minw;
2942         if (*h > self->max_size.height) *h = self->max_size.height;
2943         if (*h < minh) *h = minh;
2944
2945         *w -= basew;
2946         *h -= baseh;
2947
2948         /* keep to the increments */
2949         *w /= incw;
2950         *h /= inch;
2951
2952         /* you cannot resize to nothing */
2953         if (basew + *w < 1) *w = 1 - basew;
2954         if (baseh + *h < 1) *h = 1 - baseh;
2955
2956         /* save the logical size */
2957         *logicalw = incw > 1 ? *w : *w + basew;
2958         *logicalh = inch > 1 ? *h : *h + baseh;
2959
2960         *w *= incw;
2961         *h *= inch;
2962
2963         *w += basew;
2964         *h += baseh;
2965
2966         /* adjust the height to match the width for the aspect ratios.
2967            for this, min size is not substituted for base size ever. */
2968         *w -= self->base_size.width;
2969         *h -= self->base_size.height;
2970
2971         if (minratio)
2972             if (*h * minratio > *w) {
2973                 *h = (gint)(*w / minratio);
2974
2975                 /* you cannot resize to nothing */
2976                 if (*h < 1) {
2977                     *h = 1;
2978                     *w = (gint)(*h * minratio);
2979                 }
2980             }
2981         if (maxratio)
2982             if (*h * maxratio < *w) {
2983                 *h = (gint)(*w / maxratio);
2984
2985                 /* you cannot resize to nothing */
2986                 if (*h < 1) {
2987                     *h = 1;
2988                     *w = (gint)(*h * minratio);
2989                 }
2990             }
2991
2992         *w += self->base_size.width;
2993         *h += self->base_size.height;
2994     }
2995
2996     /* these override the above states! if you cant move you can't move! */
2997     if (user) {
2998         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2999             *x = self->area.x;
3000             *y = self->area.y;
3001         }
3002         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
3003             *w = self->area.width;
3004             *h = self->area.height;
3005         }
3006     }
3007
3008     g_assert(*w > 0);
3009     g_assert(*h > 0);
3010 }
3011
3012 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
3013                       gboolean user, gboolean final, gboolean force_reply)
3014 {
3015     Rect oldframe;
3016     gint oldw, oldh;
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     oldw = self->area.width;
3037     oldh = self->area.height;
3038     oldframe = self->frame->area;
3039     RECT_SET(self->area, x, y, w, h);
3040
3041     /* for app-requested resizes, always resize if 'resized' is true.
3042        for user-requested ones, only resize if final is true, or when
3043        resizing in redraw mode */
3044     send_resize_client = ((!user && resized) ||
3045                           (user && (final ||
3046                                     (resized && config_resize_redraw))));
3047
3048     /* if the client is enlarging, then resize the client before the frame */
3049     if (send_resize_client && (w > oldw || h > oldh)) {
3050         XMoveResizeWindow(ob_display, self->window,
3051                           self->frame->size.left, self->frame->size.top,
3052                           MAX(w, oldw), MAX(h, oldh));
3053         frame_adjust_client_area(self->frame);
3054     }
3055
3056     /* find the frame's dimensions and move/resize it */
3057     fmoved = moved;
3058     fresized = resized;
3059
3060     /* if decorations changed, then readjust everything for the frame */
3061     if (self->decorations != fdecor ||
3062         self->max_horz != fhorz || self->max_vert != fvert)
3063     {
3064         fmoved = fresized = TRUE;
3065     }
3066
3067     /* adjust the frame */
3068     if (fmoved || fresized) {
3069         gulong ignore_start;
3070         if (!user)
3071             ignore_start = event_start_ignore_all_enters();
3072
3073         /* replay pending pointer event before move the window, in case it
3074            would change what window gets the event */
3075         mouse_replay_pointer();
3076
3077         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
3078
3079         if (!user)
3080             event_end_ignore_all_enters(ignore_start);
3081     }
3082
3083     if (!user || final) {
3084         gint oldrx = self->root_pos.x;
3085         gint oldry = self->root_pos.y;
3086         /* we have reset the client to 0 border width, so don't include
3087            it in these coords */
3088         POINT_SET(self->root_pos,
3089                   self->frame->area.x + self->frame->size.left -
3090                   self->border_width,
3091                   self->frame->area.y + self->frame->size.top -
3092                   self->border_width);
3093         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3094             rootmoved = TRUE;
3095     }
3096
3097     /* This is kinda tricky and should not be changed.. let me explain!
3098
3099        When user = FALSE, then the request is coming from the application
3100        itself, and we are more strict about when to send a synthetic
3101        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3102        in this case (if force_reply is true)
3103
3104        When user = TRUE, then the request is coming from "us", like when we
3105        maximize a window or something.  In this case we are more lenient.  We
3106        used to follow the same rules as above, but _Java_ Swing can't handle
3107        this. So just to appease Swing, when user = TRUE, we always send
3108        a synthetic ConfigureNotify to give the window its root coordinates.
3109     */
3110     if ((!user && !resized && (rootmoved || force_reply)) ||
3111         (user && final && rootmoved))
3112     {
3113         XEvent event;
3114
3115         event.type = ConfigureNotify;
3116         event.xconfigure.display = ob_display;
3117         event.xconfigure.event = self->window;
3118         event.xconfigure.window = self->window;
3119
3120         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
3121                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3122
3123         /* root window real coords */
3124         event.xconfigure.x = self->root_pos.x;
3125         event.xconfigure.y = self->root_pos.y;
3126         event.xconfigure.width = w;
3127         event.xconfigure.height = h;
3128         event.xconfigure.border_width = self->border_width;
3129         event.xconfigure.above = None;
3130         event.xconfigure.override_redirect = FALSE;
3131         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3132                    FALSE, StructureNotifyMask, &event);
3133     }
3134
3135     /* if the client is shrinking, then resize the frame before the client.
3136
3137        both of these resize sections may run, because the top one only resizes
3138        in the direction that is growing
3139      */
3140     if (send_resize_client && (w <= oldw || h <= oldh)) {
3141         frame_adjust_client_area(self->frame);
3142         XMoveResizeWindow(ob_display, self->window,
3143                           self->frame->size.left, self->frame->size.top, w, h);
3144     }
3145
3146     XFlush(ob_display);
3147
3148     /* if it moved between monitors, then this can affect the stacking
3149        layer of this window or others - for fullscreen windows */
3150     if (screen_find_monitor(&self->frame->area) !=
3151         screen_find_monitor(&oldframe))
3152     {
3153         client_calc_layer(self);
3154     }
3155 }
3156
3157 void client_fullscreen(ObClient *self, gboolean fs)
3158 {
3159     gint x, y, w, h;
3160
3161     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3162         self->fullscreen == fs) return;                   /* already done */
3163
3164     self->fullscreen = fs;
3165     client_change_state(self); /* change the state hints on the client */
3166
3167     if (fs) {
3168         self->pre_fullscreen_area = self->area;
3169         /* if the window is maximized, its area isn't all that meaningful.
3170            save its premax area instead. */
3171         if (self->max_horz) {
3172             self->pre_fullscreen_area.x = self->pre_max_area.x;
3173             self->pre_fullscreen_area.width = self->pre_max_area.width;
3174         }
3175         if (self->max_vert) {
3176             self->pre_fullscreen_area.y = self->pre_max_area.y;
3177             self->pre_fullscreen_area.height = self->pre_max_area.height;
3178         }
3179
3180         /* these will help configure_full figure out where to fullscreen
3181            the window */
3182         x = self->area.x;
3183         y = self->area.y;
3184         w = self->area.width;
3185         h = self->area.height;
3186     } else {
3187         g_assert(self->pre_fullscreen_area.width > 0 &&
3188                  self->pre_fullscreen_area.height > 0);
3189
3190         x = self->pre_fullscreen_area.x;
3191         y = self->pre_fullscreen_area.y;
3192         w = self->pre_fullscreen_area.width;
3193         h = self->pre_fullscreen_area.height;
3194         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3195     }
3196
3197     ob_debug("Window %s going fullscreen (%d)\n",
3198              self->title, self->fullscreen);
3199
3200     client_setup_decor_and_functions(self, FALSE);
3201     client_move_resize(self, x, y, w, h);
3202
3203     /* and adjust our layer/stacking. do this after resizing the window,
3204        and applying decorations, because windows which fill the screen are
3205        considered "fullscreen" and it affects their layer */
3206     client_calc_layer(self);
3207
3208     if (fs) {
3209         /* try focus us when we go into fullscreen mode */
3210         client_focus(self);
3211     }
3212 }
3213
3214 static void client_iconify_recursive(ObClient *self,
3215                                      gboolean iconic, gboolean curdesk,
3216                                      gboolean hide_animation)
3217 {
3218     GSList *it;
3219     gboolean changed = FALSE;
3220
3221     if (self->iconic != iconic) {
3222         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3223                  self->window);
3224
3225         if (iconic) {
3226             /* don't let non-normal windows iconify along with their parents
3227                or whatever */
3228             if (client_normal(self)) {
3229                 self->iconic = iconic;
3230
3231                 /* update the focus lists.. iconic windows go to the bottom of
3232                    the list */
3233                 focus_order_to_bottom(self);
3234
3235                 changed = TRUE;
3236             }
3237         } else {
3238             self->iconic = iconic;
3239
3240             if (curdesk && self->desktop != screen_desktop &&
3241                 self->desktop != DESKTOP_ALL)
3242                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3243
3244             /* this puts it after the current focused window */
3245             focus_order_remove(self);
3246             focus_order_add_new(self);
3247
3248             changed = TRUE;
3249         }
3250     }
3251
3252     if (changed) {
3253         client_change_state(self);
3254         if (config_animate_iconify && !hide_animation)
3255             frame_begin_iconify_animation(self->frame, iconic);
3256         /* do this after starting the animation so it doesn't flash */
3257         client_showhide(self);
3258     }
3259
3260     /* iconify all direct transients, and deiconify all transients
3261        (non-direct too) */
3262     for (it = self->transients; it; it = g_slist_next(it))
3263         if (it->data != self)
3264             if (client_is_direct_child(self, it->data) || !iconic)
3265                 client_iconify_recursive(it->data, iconic, curdesk,
3266                                          hide_animation);
3267 }
3268
3269 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3270                     gboolean hide_animation)
3271 {
3272     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3273         /* move up the transient chain as far as possible first */
3274         self = client_search_top_direct_parent(self);
3275         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3276     }
3277 }
3278
3279 void client_maximize(ObClient *self, gboolean max, gint dir)
3280 {
3281     gint x, y, w, h;
3282
3283     g_assert(dir == 0 || dir == 1 || dir == 2);
3284     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && max) return;/* can't */
3285
3286     /* check if already done */
3287     if (max) {
3288         if (dir == 0 && self->max_horz && self->max_vert) return;
3289         if (dir == 1 && self->max_horz) return;
3290         if (dir == 2 && self->max_vert) return;
3291     } else {
3292         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3293         if (dir == 1 && !self->max_horz) return;
3294         if (dir == 2 && !self->max_vert) return;
3295     }
3296
3297     /* these will help configure_full figure out which screen to fill with
3298        the window */
3299     x = self->area.x;
3300     y = self->area.y;
3301     w = self->area.width;
3302     h = self->area.height;
3303
3304     if (max) {
3305         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3306             RECT_SET(self->pre_max_area,
3307                      self->area.x, self->pre_max_area.y,
3308                      self->area.width, self->pre_max_area.height);
3309         }
3310         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3311             RECT_SET(self->pre_max_area,
3312                      self->pre_max_area.x, self->area.y,
3313                      self->pre_max_area.width, self->area.height);
3314         }
3315     } else {
3316         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3317             g_assert(self->pre_max_area.width > 0);
3318
3319             x = self->pre_max_area.x;
3320             w = self->pre_max_area.width;
3321
3322             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3323                      0, self->pre_max_area.height);
3324         }
3325         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3326             g_assert(self->pre_max_area.height > 0);
3327
3328             y = self->pre_max_area.y;
3329             h = self->pre_max_area.height;
3330
3331             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3332                      self->pre_max_area.width, 0);
3333         }
3334     }
3335
3336     if (dir == 0 || dir == 1) /* horz */
3337         self->max_horz = max;
3338     if (dir == 0 || dir == 2) /* vert */
3339         self->max_vert = max;
3340
3341     client_change_state(self); /* change the state hints on the client */
3342
3343     client_setup_decor_and_functions(self, FALSE);
3344     client_move_resize(self, x, y, w, h);
3345 }
3346
3347 void client_shade(ObClient *self, gboolean shade)
3348 {
3349     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3350          shade) ||                         /* can't shade */
3351         self->shaded == shade) return;     /* already done */
3352
3353     self->shaded = shade;
3354     client_change_state(self);
3355     client_change_wm_state(self); /* the window is being hidden/shown */
3356     /* resize the frame to just the titlebar */
3357     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3358 }
3359
3360 static void client_ping_event(ObClient *self, gboolean dead)
3361 {
3362     if (self->not_responding != dead) {
3363         self->not_responding = dead;
3364         client_update_title(self);
3365
3366         if (dead)
3367             /* the client isn't responding, so ask to kill it */
3368             client_prompt_kill(self);
3369         else {
3370             /* it came back to life ! */
3371
3372             if (self->kill_prompt) {
3373                 prompt_unref(self->kill_prompt);
3374                 self->kill_prompt = NULL;
3375             }
3376
3377             self->kill_level = 0;
3378         }
3379     }
3380 }
3381
3382 void client_close(ObClient *self)
3383 {
3384     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3385
3386     /* if closing an internal obprompt, that is just cancelling it */
3387     if (self->prompt) {
3388         prompt_cancel(self->prompt);
3389         return;
3390     }
3391
3392     /* in the case that the client provides no means to requesting that it
3393        close, we just kill it */
3394     if (!self->delete_window)
3395         /* don't use client_kill(), we should only kill based on PID in
3396            response to a lack of PING replies */
3397         XKillClient(ob_display, self->window);
3398     else {
3399         /* request the client to close with WM_DELETE_WINDOW */
3400         PROP_MSG_TO(self->window, self->window, wm_protocols,
3401                     prop_atoms.wm_delete_window, event_curtime, 0, 0, 0,
3402                     NoEventMask);
3403
3404         /* we're trying to close the window, so see if it is responding. if it
3405            is not, then we will let them kill the window */
3406         if (self->ping)
3407             ping_start(self, client_ping_event);
3408
3409         /* if we already know the window isn't responding (maybe they clicked
3410            no in the kill dialog but it hasn't come back to life), then show
3411            the kill dialog */
3412         if (self->not_responding)
3413             client_prompt_kill(self);
3414     }
3415 }
3416
3417 #define OB_KILL_RESULT_NO 0
3418 #define OB_KILL_RESULT_YES 1
3419
3420 static gboolean client_kill_requested(ObPrompt *p, gint result, gpointer data)
3421 {
3422     ObClient *self = data;
3423
3424     if (result == OB_KILL_RESULT_YES)
3425         client_kill(self);
3426     return TRUE; /* call the cleanup func */
3427 }
3428
3429 static void client_kill_cleanup(ObPrompt *p, gpointer data)
3430 {
3431     ObClient *self = data;
3432
3433     g_assert(p == self->kill_prompt);
3434
3435     prompt_unref(self->kill_prompt);
3436     self->kill_prompt = NULL;
3437 }
3438
3439 static void client_prompt_kill(ObClient *self)
3440 {
3441     /* check if we're already prompting */
3442     if (!self->kill_prompt) {
3443         ObPromptAnswer answers[] = {
3444             { 0, OB_KILL_RESULT_NO },
3445             { 0, OB_KILL_RESULT_YES }
3446         };
3447         gchar *m;
3448         const gchar *y, *title;
3449
3450         title = self->original_title;
3451         if (title[0] == '\0') {
3452             /* empty string, so use its parent */
3453             ObClient *p = client_search_top_direct_parent(self);
3454             if (p) title = p->original_title;
3455         }
3456
3457         if (client_on_localhost(self)) {
3458             const gchar *sig;
3459
3460             if (self->kill_level == 0)
3461                 sig = "terminate";
3462             else
3463                 sig = "kill";
3464
3465             m = g_strdup_printf
3466                 (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"),
3467                  title, sig);
3468             y = _("End Process");
3469         }
3470         else {
3471             m = g_strdup_printf
3472                 (_("The window \"%s\" does not seem to be responding.  Do you want to disconnect it from the X server?"),
3473                  title);
3474             y = _("Disconnect");
3475         }
3476         /* set the dialog buttons' text */
3477         answers[0].text = _("Cancel");  /* "no" */
3478         answers[1].text = y;            /* "yes" */
3479
3480         self->kill_prompt = prompt_new(m, NULL, answers,
3481                                        sizeof(answers)/sizeof(answers[0]),
3482                                        OB_KILL_RESULT_NO, /* default = no */
3483                                        OB_KILL_RESULT_NO, /* cancel = no */
3484                                        client_kill_requested,
3485                                        client_kill_cleanup,
3486                                        self);
3487         g_free(m);
3488     }
3489
3490     prompt_show(self->kill_prompt, self, TRUE);
3491 }
3492
3493 void client_kill(ObClient *self)
3494 {
3495     /* don't kill our own windows */
3496     if (self->prompt) return;
3497
3498     if (client_on_localhost(self) && self->pid) {
3499         /* running on the local host */
3500         if (self->kill_level == 0) {
3501             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3502                      self->window, self->pid);
3503             kill(self->pid, SIGTERM);
3504             ++self->kill_level;
3505
3506             /* show that we're trying to kill it */
3507             client_update_title(self);
3508         }
3509         else {
3510             ob_debug("killing window 0x%x with pid %lu, with SIGKILL\n",
3511                      self->window, self->pid);
3512             kill(self->pid, SIGKILL); /* kill -9 */
3513         }
3514     }
3515     else {
3516         /* running on a remote host */
3517         XKillClient(ob_display, self->window);
3518     }
3519 }
3520
3521 void client_hilite(ObClient *self, gboolean hilite)
3522 {
3523     if (self->demands_attention == hilite)
3524         return; /* no change */
3525
3526     /* don't allow focused windows to hilite */
3527     self->demands_attention = hilite && !client_focused(self);
3528     if (self->frame != NULL) { /* if we're mapping, just set the state */
3529         if (self->demands_attention) {
3530             frame_flash_start(self->frame);
3531
3532             /* if the window is on another desktop then raise it and make it
3533                the most recently used window */
3534             if (self->desktop != screen_desktop &&
3535                 self->desktop != DESKTOP_ALL)
3536             {
3537                 stacking_raise(CLIENT_AS_WINDOW(self));
3538                 focus_order_to_top(self);
3539             }
3540         }
3541         else
3542             frame_flash_stop(self->frame);
3543         client_change_state(self);
3544     }
3545 }
3546
3547 static void client_set_desktop_recursive(ObClient *self,
3548                                          guint target,
3549                                          gboolean donthide,
3550                                          gboolean dontraise)
3551 {
3552     guint old;
3553     GSList *it;
3554
3555     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3556
3557         ob_debug("Setting desktop %u\n", target+1);
3558
3559         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3560
3561         old = self->desktop;
3562         self->desktop = target;
3563         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3564         /* the frame can display the current desktop state */
3565         frame_adjust_state(self->frame);
3566         /*&n