remove the visible window title hints when unmanaging a window. not all WMs set...
[mikachu/openbox.git] / openbox / client.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    client.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "client.h"
21 #include "debug.h"
22 #include "startupnotify.h"
23 #include "dock.h"
24 #include "xerror.h"
25 #include "screen.h"
26 #include "moveresize.h"
27 #include "place.h"
28 #include "prop.h"
29 #include "extensions.h"
30 #include "frame.h"
31 #include "session.h"
32 #include "event.h"
33 #include "grab.h"
34 #include "focus.h"
35 #include "stacking.h"
36 #include "openbox.h"
37 #include "group.h"
38 #include "config.h"
39 #include "menuframe.h"
40 #include "keyboard.h"
41 #include "mouse.h"
42 #include "render/render.h"
43
44 #ifdef HAVE_UNISTD_H
45 #  include <unistd.h>
46 #endif
47
48 #include <glib.h>
49 #include <X11/Xutil.h>
50
51 /*! The event mask to grab on client windows */
52 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
53                           ColormapChangeMask)
54
55 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
56                                 ButtonMotionMask)
57
58 typedef struct
59 {
60     ObClientCallback func;
61     gpointer data;
62 } ClientCallback;
63
64 GList            *client_list          = NULL;
65
66 static GSList *client_destroy_notifies = NULL;
67
68 static void client_get_all(ObClient *self, gboolean real);
69 static void client_get_startup_id(ObClient *self);
70 static void client_get_session_ids(ObClient *self);
71 static void client_get_area(ObClient *self);
72 static void client_get_desktop(ObClient *self);
73 static void client_get_state(ObClient *self);
74 static void client_get_shaped(ObClient *self);
75 static void client_get_mwm_hints(ObClient *self);
76 static void client_get_colormap(ObClient *self);
77 static void client_change_allowed_actions(ObClient *self);
78 static void client_change_state(ObClient *self);
79 static void client_change_wm_state(ObClient *self);
80 static void client_apply_startup_state(ObClient *self,
81                                        gint x, gint y, gint w, gint h);
82 static void client_restore_session_state(ObClient *self);
83 static gboolean client_restore_session_stacking(ObClient *self);
84 static ObAppSettings *client_get_settings_state(ObClient *self);
85 static void client_update_transient_tree(ObClient *self,
86                                          ObGroup *oldgroup, ObGroup *newgroup,
87                                          gboolean oldgtran, gboolean newgtran,
88                                          ObClient* oldparent,
89                                          ObClient *newparent);
90 static void client_present(ObClient *self, gboolean here, gboolean raise,
91                            gboolean unshade);
92 static GSList *client_search_all_top_parents_internal(ObClient *self,
93                                                       gboolean bylayer,
94                                                       ObStackingLayer layer);
95 static void client_call_notifies(ObClient *self, GSList *list);
96
97
98 void client_startup(gboolean reconfig)
99 {
100     if (reconfig) return;
101
102     client_set_list();
103 }
104
105 void client_shutdown(gboolean reconfig)
106 {
107     if (reconfig) return;
108 }
109
110 static void client_call_notifies(ObClient *self, GSList *list)
111 {
112     GSList *it;
113
114     for (it = list; it; it = g_slist_next(it)) {
115         ClientCallback *d = it->data;
116         d->func(self, d->data);
117     }
118 }
119
120 void client_add_destroy_notify(ObClientCallback func, gpointer data)
121 {
122     ClientCallback *d = g_new(ClientCallback, 1);
123     d->func = func;
124     d->data = data;
125     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
126 }
127
128 void client_remove_destroy_notify(ObClientCallback func)
129 {
130     GSList *it;
131
132     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
133         ClientCallback *d = it->data;
134         if (d->func == func) {
135             g_free(d);
136             client_destroy_notifies =
137                 g_slist_delete_link(client_destroy_notifies, it);
138             break;
139         }
140     }
141 }
142
143 void client_set_list(void)
144 {
145     Window *windows, *win_it;
146     GList *it;
147     guint size = g_list_length(client_list);
148
149     /* create an array of the window ids */
150     if (size > 0) {
151         windows = g_new(Window, size);
152         win_it = windows;
153         for (it = client_list; it; it = g_list_next(it), ++win_it)
154             *win_it = ((ObClient*)it->data)->window;
155     } else
156         windows = NULL;
157
158     PROP_SETA32(RootWindow(ob_display, ob_screen),
159                 net_client_list, window, (gulong*)windows, size);
160
161     if (windows)
162         g_free(windows);
163
164     stacking_set_list();
165 }
166
167 void client_manage_all(void)
168 {
169     guint i, j, nchild;
170     Window w, *children;
171     XWMHints *wmhints;
172     XWindowAttributes attrib;
173
174     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
175                &w, &w, &children, &nchild);
176
177     /* remove all icon windows from the list */
178     for (i = 0; i < nchild; i++) {
179         if (children[i] == None) continue;
180         wmhints = XGetWMHints(ob_display, children[i]);
181         if (wmhints) {
182             if ((wmhints->flags & IconWindowHint) &&
183                 (wmhints->icon_window != children[i]))
184                 for (j = 0; j < nchild; j++)
185                     if (children[j] == wmhints->icon_window) {
186                         children[j] = None;
187                         break;
188                     }
189             XFree(wmhints);
190         }
191     }
192
193     for (i = 0; i < nchild; ++i) {
194         if (children[i] == None)
195             continue;
196         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
197             if (attrib.override_redirect) continue;
198
199             if (attrib.map_state != IsUnmapped)
200                 client_manage(children[i]);
201         }
202     }
203     XFree(children);
204 }
205
206 void client_manage(Window window)
207 {
208     ObClient *self;
209     XEvent e;
210     XWindowAttributes attrib;
211     XSetWindowAttributes attrib_set;
212     XWMHints *wmhint;
213     gboolean activate = FALSE;
214     ObAppSettings *settings;
215     gboolean transient = FALSE;
216     Rect place, *monitor;
217     Time launch_time, map_time;
218
219     grab_server(TRUE);
220
221     /* check if it has already been unmapped by the time we started
222        mapping. the grab does a sync so we don't have to here */
223     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
224         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
225     {
226         XPutBackEvent(ob_display, &e);
227
228         ob_debug("Trying to manage unmapped window. Aborting that.\n");
229         grab_server(FALSE);
230         return; /* don't manage it */
231     }
232
233     /* make sure it isn't an override-redirect window */
234     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
235         attrib.override_redirect)
236     {
237         grab_server(FALSE);
238         return; /* don't manage it */
239     }
240
241     /* is the window a docking app */
242     if ((wmhint = XGetWMHints(ob_display, window))) {
243         if ((wmhint->flags & StateHint) &&
244             wmhint->initial_state == WithdrawnState)
245         {
246             dock_add(window, wmhint);
247             grab_server(FALSE);
248             XFree(wmhint);
249             return;
250         }
251         XFree(wmhint);
252     }
253
254     ob_debug("Managing window: 0x%lx\n", window);
255
256     map_time = event_get_server_time();
257
258     /* choose the events we want to receive on the CLIENT window */
259     attrib_set.event_mask = CLIENT_EVENTMASK;
260     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
261     XChangeWindowAttributes(ob_display, window,
262                             CWEventMask|CWDontPropagate, &attrib_set);
263
264     /* create the ObClient struct, and populate it from the hints on the
265        window */
266     self = g_new0(ObClient, 1);
267     self->obwin.type = Window_Client;
268     self->window = window;
269
270     /* non-zero defaults */
271     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
272     self->gravity = NorthWestGravity;
273     self->desktop = screen_num_desktops; /* always an invalid value */
274
275     /* get all the stuff off the window */
276     client_get_all(self, TRUE);
277
278     ob_debug("Window type: %d\n", self->type);
279     ob_debug("Window group: 0x%x\n", self->group?self->group->leader:0);
280
281     /* specify that if we exit, the window should not be destroyed and
282        should be reparented back to root automatically */
283     XChangeSaveSet(ob_display, window, SetModeInsert);
284
285     /* create the decoration frame for the client window */
286     self->frame = frame_new(self);
287
288     frame_grab_client(self->frame);
289
290     /* we've grabbed everything and set everything that we need to at mapping
291        time now */
292     grab_server(FALSE);
293
294     /* per-app settings override stuff from client_get_all, and return the
295        settings for other uses too. the returned settings is a shallow copy,
296        that needs to be freed with g_free(). */
297     settings = client_get_settings_state(self);
298     /* the session should get the last say though */
299     client_restore_session_state(self);
300
301     /* now we have all of the window's information so we can set this up */
302     client_setup_decor_and_functions(self, FALSE);
303
304     /* tell startup notification that this app started */
305     launch_time = sn_app_started(self->startup_id, self->class);
306
307     /* do this after we have a frame.. it uses the frame to help determine the
308        WM_STATE to apply. */
309     client_change_state(self);
310
311     /* add ourselves to the focus order */
312     focus_order_add_new(self);
313
314     /* do this to add ourselves to the stacking list in a non-intrusive way */
315     client_calc_layer(self);
316
317     /* focus the new window? */
318     if (ob_state() != OB_STATE_STARTING &&
319         (!self->session || self->session->focused) &&
320         /* this means focus=true for window is same as config_focus_new=true */
321         ((config_focus_new || (settings && settings->focus == 1)) ||
322          client_search_focus_tree_full(self)) &&
323         /* this checks for focus=false for the window */
324         (!settings || settings->focus != 0) &&
325         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
326     {
327         activate = TRUE;
328     }
329
330     /* remove the client's border */
331     XSetWindowBorderWidth(ob_display, self->window, 0);
332
333     /* adjust the frame to the client's size before showing or placing
334        the window */
335     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
336     frame_adjust_client_area(self->frame);
337
338     /* where the frame was placed is where the window was originally */
339     place = self->area;
340     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
341
342     /* figure out placement for the window if the window is new */
343     if (ob_state() == OB_STATE_RUNNING) {
344         ob_debug("Positioned: %s @ %d %d\n",
345                  (!self->positioned ? "no" :
346                   (self->positioned == PPosition ? "program specified" :
347                    (self->positioned == USPosition ? "user specified" :
348                     (self->positioned == (PPosition | USPosition) ?
349                      "program + user specified" :
350                      "BADNESS !?")))), place.x, place.y);
351
352         ob_debug("Sized: %s @ %d %d\n",
353                  (!self->sized ? "no" :
354                   (self->sized == PSize ? "program specified" :
355                    (self->sized == USSize ? "user specified" :
356                     (self->sized == (PSize | USSize) ?
357                      "program + user specified" :
358                      "BADNESS !?")))), place.width, place.height);
359
360         /* splash screens are also returned as TRUE for transient,
361            and so will be forced on screen below */
362         transient = place_client(self, &place.x, &place.y, settings);
363
364         /* make sure the window is visible. */
365         client_find_onscreen(self, &place.x, &place.y,
366                              place.width, place.height,
367                              /* non-normal clients has less rules, and
368                                 windows that are being restored from a
369                                 session do also. we can assume you want
370                                 it back where you saved it. Clients saying
371                                 they placed themselves are subjected to
372                                 harder rules, ones that are placed by
373                                 place.c or by the user are allowed partially
374                                 off-screen and on xinerama divides (ie,
375                                 it is up to the placement routines to avoid
376                                 the xinerama divides)
377
378                                 splash screens get "transient" set to TRUE by
379                                 the place_client call
380                              */
381                              ob_state() == OB_STATE_RUNNING &&
382                              (transient ||
383                               (!((self->positioned & USPosition) ||
384                                  (settings && settings->pos_given)) &&
385                                client_normal(self) &&
386                                !self->session &&
387                                /* don't move oldschool fullscreen windows to
388                                   fit inside the struts (fixes Acroread, which
389                                   makes its fullscreen window fit the screen
390                                   but it is not USSize'd or USPosition'd) */
391                                !(self->decorations == 0 &&
392                                  RECT_EQUAL(place, *monitor)))));
393     }
394
395     /* if the window isn't user-sized, then make it fit inside
396        the visible screen area on its monitor. Use basically the same rules
397        for forcing the window on screen in the client_find_onscreen call.
398
399        do this after place_client, it chooses the monitor!
400
401        splash screens get "transient" set to TRUE by
402        the place_client call
403     */
404     if (ob_state() == OB_STATE_RUNNING &&
405         (transient ||
406          (!(self->sized & USSize || self->positioned & USPosition) &&
407           client_normal(self) &&
408           !self->session &&
409           /* don't shrink oldschool fullscreen windows to fit inside the
410              struts (fixes Acroread, which makes its fullscreen window
411              fit the screen but it is not USSize'd or USPosition'd) */
412           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
413     {
414         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
415
416         /* get the size of the frame */
417         place.width += self->frame->size.left + self->frame->size.right;
418         place.height += self->frame->size.top + self->frame->size.bottom;
419
420         /* fit the window inside the area */
421         place.width = MIN(place.width, a->width);
422         place.height = MIN(place.height, a->height);
423
424         ob_debug("setting window size to %dx%d\n", place.width, place.height);
425
426         /* get the size of the client back */
427         place.width -= self->frame->size.left + self->frame->size.right;
428         place.height -= self->frame->size.top + self->frame->size.bottom;
429
430         g_free(a);
431     }
432
433     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
434              "some restrictions may apply\n",
435              self->window, place.x, place.y, place.width, place.height);
436     if (self->session)
437         ob_debug("  but session requested %d, %d  %d x %d instead, "
438                  "overriding\n",
439                  self->session->x, self->session->y,
440                  self->session->w, self->session->h);
441
442     /* do this after the window is placed, so the premax/prefullscreen numbers
443        won't be all wacko!!
444
445        this also places the window
446     */
447     client_apply_startup_state(self, place.x, place.y,
448                                place.width, place.height);
449
450     g_free(monitor);
451     monitor = NULL;
452
453     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s\n",
454                   activate ? "yes" : "no");
455     if (activate) {
456         gboolean raise = FALSE;
457
458         /* This is focus stealing prevention */
459         ob_debug_type(OB_DEBUG_FOCUS,
460                       "Want to focus new window 0x%x at time %u "
461                       "launched at %u (last user interaction time %u)\n",
462                       self->window, map_time, launch_time,
463                       event_last_user_time);
464
465         if (menu_frame_visible || moveresize_in_progress) {
466             activate = FALSE;
467             raise = TRUE;
468             ob_debug_type(OB_DEBUG_FOCUS,
469                           "Not focusing the window because the user is inside "
470                           "an Openbox menu or is move/resizing a window and "
471                           "we don't want to interrupt them\n");
472         }
473
474         /* if it's on another desktop */
475         else if (!(self->desktop == screen_desktop ||
476                    self->desktop == DESKTOP_ALL) &&
477                  /* the timestamp is from before you changed desktops */
478                  launch_time && screen_desktop_user_time &&
479                  !event_time_after(launch_time, screen_desktop_user_time))
480         {
481             activate = FALSE;
482             raise = TRUE;
483             ob_debug_type(OB_DEBUG_FOCUS,
484                           "Not focusing the window because its on another "
485                           "desktop\n");
486         }
487         /* If something is focused, and it's not our relative... */
488         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
489                  client_search_focus_group_full(self) == NULL)
490         {
491             /* If the user is working in another window right now, then don't
492                steal focus */
493             if (event_last_user_time && launch_time &&
494                 event_time_after(event_last_user_time, launch_time) &&
495                 event_last_user_time != launch_time &&
496                 event_time_after(event_last_user_time,
497                                  map_time - OB_EVENT_USER_TIME_DELAY))
498             {
499                 activate = FALSE;
500                 ob_debug_type(OB_DEBUG_FOCUS,
501                               "Not focusing the window because the user is "
502                               "working in another window\n");
503             }
504             /* If its a transient (and its parents aren't focused) */
505             else if (client_has_parent(self)) {
506                 activate = FALSE;
507                 ob_debug_type(OB_DEBUG_FOCUS,
508                               "Not focusing the window because it is a "
509                               "transient, and its relatives aren't focused\n");
510             }
511             /* Don't steal focus from globally active clients.
512                I stole this idea from KWin. It seems nice.
513              */
514             else if (!(focus_client->can_focus ||
515                        focus_client->focus_notify))
516             {
517                 activate = FALSE;
518                 ob_debug_type(OB_DEBUG_FOCUS,
519                               "Not focusing the window because a globally "
520                               "active client has focus\n");
521             }
522             /* Don't move focus if it's not going to go to this window
523                anyway */
524             else if (client_focus_target(self) != self) {
525                 activate = FALSE;
526                 raise = TRUE;
527                 ob_debug_type(OB_DEBUG_FOCUS,
528                               "Not focusing the window because another window "
529                               "would get the focus anyway\n");
530             }
531             else if (!(self->desktop == screen_desktop ||
532                        self->desktop == DESKTOP_ALL))
533             {
534                 activate = FALSE;
535                 raise = TRUE;
536                 ob_debug_type(OB_DEBUG_FOCUS,
537                               "Not focusing the window because it is on "
538                               "another desktop and no relatives are focused ");
539             }
540         }
541
542         if (!activate) {
543             ob_debug_type(OB_DEBUG_FOCUS,
544                           "Focus stealing prevention activated for %s at "
545                           "time %u (last user interactioon time %u)\n",
546                           self->title, map_time, event_last_user_time);
547             /* if the client isn't focused, then hilite it so the user
548                knows it is there */
549             client_hilite(self, TRUE);
550             /* we may want to raise it even tho we're not activating it */
551             if (raise && !client_restore_session_stacking(self))
552                 stacking_raise(CLIENT_AS_WINDOW(self));
553         }
554     }
555     else {
556         /* This may look rather odd. Well it's because new windows are added
557            to the stacking order non-intrusively. If we're not going to focus
558            the new window or hilite it, then we raise it to the top. This will
559            take affect for things that don't get focused like splash screens.
560            Also if you don't have focus_new enabled, then it's going to get
561            raised to the top. Legacy begets legacy I guess?
562         */
563         if (!client_restore_session_stacking(self))
564             stacking_raise(CLIENT_AS_WINDOW(self));
565     }
566
567     mouse_grab_for_client(self, TRUE);
568
569     /* this has to happen before we try focus the window, but we want it to
570        happen after the client's stacking has been determined or it looks bad
571     */
572     {
573         gulong ignore_start;
574         if (!config_focus_under_mouse)
575             ignore_start = event_start_ignore_all_enters();
576
577         client_show(self);
578
579         if (!config_focus_under_mouse)
580             event_end_ignore_all_enters(ignore_start);
581     }
582
583     if (activate) {
584         gboolean stacked = client_restore_session_stacking(self);
585         client_present(self, FALSE, !stacked, TRUE);
586     }
587
588     /* add to client list/map */
589     client_list = g_list_append(client_list, self);
590     g_hash_table_insert(window_map, &self->window, self);
591
592     /* this has to happen after we're in the client_list */
593     if (STRUT_EXISTS(self->strut))
594         screen_update_areas();
595
596     /* update the list hints */
597     client_set_list();
598
599     /* free the ObAppSettings shallow copy */
600     g_free(settings);
601
602     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
603              window, self->frame->window, self->class);
604
605     return;
606 }
607
608
609 ObClient *client_fake_manage(Window window)
610 {
611     ObClient *self;
612     ObAppSettings *settings;
613
614     ob_debug("Pretend-managing window: %lx\n", window);
615
616     /* do this minimal stuff to figure out the client's decorations */
617
618     self = g_new0(ObClient, 1);
619     self->window = window;
620
621     client_get_all(self, FALSE);
622     /* per-app settings override stuff, and return the settings for other
623        uses too. this returns a shallow copy that needs to be freed */
624     settings = client_get_settings_state(self);
625
626     client_setup_decor_and_functions(self, FALSE);
627
628     /* create the decoration frame for the client window and adjust its size */
629     self->frame = frame_new(self);
630     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
631
632     ob_debug("gave extents left %d right %d top %d bottom %d\n",
633              self->frame->size.left, self->frame->size.right,
634              self->frame->size.top, self->frame->size.bottom);
635
636     /* free the ObAppSettings shallow copy */
637     g_free(settings);
638
639     return self;
640 }
641
642 void client_unmanage_all(void)
643 {
644     while (client_list != NULL)
645         client_unmanage(client_list->data);
646 }
647
648 void client_unmanage(ObClient *self)
649 {
650     guint j;
651     GSList *it;
652     gulong ignore_start;
653
654     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
655              self->window, self->frame->window,
656              self->class, self->title ? self->title : "");
657
658     g_assert(self != NULL);
659
660     /* we dont want events no more. do this before hiding the frame so we
661        don't generate more events */
662     XSelectInput(ob_display, self->window, NoEventMask);
663
664     /* ignore enter events from the unmap so it doesnt mess with the focus */
665     if (!config_focus_under_mouse)
666         ignore_start = event_start_ignore_all_enters();
667
668     frame_hide(self->frame);
669     /* flush to send the hide to the server quickly */
670     XFlush(ob_display);
671
672     if (!config_focus_under_mouse)
673         event_end_ignore_all_enters(ignore_start);
674
675     mouse_grab_for_client(self, FALSE);
676
677     /* remove the window from our save set */
678     XChangeSaveSet(ob_display, self->window, SetModeDelete);
679
680     /* update the focus lists */
681     focus_order_remove(self);
682     if (client_focused(self)) {
683         /* don't leave an invalid focus_client */
684         focus_client = NULL;
685     }
686
687     client_list = g_list_remove(client_list, self);
688     stacking_remove(self);
689     g_hash_table_remove(window_map, &self->window);
690
691     /* once the client is out of the list, update the struts to remove its
692        influence */
693     if (STRUT_EXISTS(self->strut))
694         screen_update_areas();
695
696     client_call_notifies(self, client_destroy_notifies);
697
698     /* tell our parent(s) that we're gone */
699     for (it = self->parents; it; it = g_slist_next(it))
700         ((ObClient*)it->data)->transients =
701             g_slist_remove(((ObClient*)it->data)->transients,self);
702
703     /* tell our transients that we're gone */
704     for (it = self->transients; it; it = g_slist_next(it)) {
705         ((ObClient*)it->data)->parents =
706             g_slist_remove(((ObClient*)it->data)->parents, self);
707         /* we could be keeping our children in a higher layer */
708         client_calc_layer(it->data);
709     }
710
711     /* remove from its group */
712     if (self->group) {
713         group_remove(self->group, self);
714         self->group = NULL;
715     }
716
717     /* restore the window's original geometry so it is not lost */
718     {
719         Rect a;
720
721         a = self->area;
722
723         if (self->fullscreen)
724             a = self->pre_fullscreen_area;
725         else if (self->max_horz || self->max_vert) {
726             if (self->max_horz) {
727                 a.x = self->pre_max_area.x;
728                 a.width = self->pre_max_area.width;
729             }
730             if (self->max_vert) {
731                 a.y = self->pre_max_area.y;
732                 a.height = self->pre_max_area.height;
733             }
734         }
735
736         self->fullscreen = self->max_horz = self->max_vert = FALSE;
737         /* let it be moved and resized no matter what */
738         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
739         self->decorations = 0; /* unmanaged windows have no decor */
740
741         /* give the client its border back */
742         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
743
744         client_move_resize(self, a.x, a.y, a.width, a.height);
745     }
746
747     /* reparent the window out of the frame, and free the frame */
748     frame_release_client(self->frame);
749     frame_free(self->frame);
750     self->frame = NULL;
751
752     if (ob_state() != OB_STATE_EXITING) {
753         /* these values should not be persisted across a window
754            unmapping/mapping */
755         PROP_ERASE(self->window, net_wm_desktop);
756         PROP_ERASE(self->window, net_wm_state);
757         PROP_ERASE(self->window, wm_state);
758     } else {
759         /* if we're left in an unmapped state, the client wont be mapped.
760            this is bad, since we will no longer be managing the window on
761            restart */
762         XMapWindow(ob_display, self->window);
763     }
764
765     /* these should not be left on the window ever.  other window managers
766        don't necessarily use them and it will mess them up (like compiz) */
767     PROP_ERASE(self->window, net_wm_visible_name);
768     PROP_ERASE(self->window, net_wm_visible_icon_name);
769
770     /* update the list hints */
771     client_set_list();
772
773     ob_debug("Unmanaged window 0x%lx\n", self->window);
774
775     /* free all data allocated in the client struct */
776     g_slist_free(self->transients);
777     for (j = 0; j < self->nicons; ++j)
778         g_free(self->icons[j].data);
779     if (self->nicons > 0)
780         g_free(self->icons);
781     g_free(self->wm_command);
782     g_free(self->title);
783     g_free(self->icon_title);
784     g_free(self->name);
785     g_free(self->class);
786     g_free(self->role);
787     g_free(self->client_machine);
788     g_free(self->sm_client_id);
789     g_free(self);
790 }
791
792 void client_fake_unmanage(ObClient *self)
793 {
794     /* this is all that got allocated to get the decorations */
795
796     frame_free(self->frame);
797     g_free(self);
798 }
799
800 /*! Returns a new structure containing the per-app settings for this client.
801   The returned structure needs to be freed with g_free. */
802 static ObAppSettings *client_get_settings_state(ObClient *self)
803 {
804     ObAppSettings *settings;
805     GSList *it;
806
807     settings = config_create_app_settings();
808
809     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
810         ObAppSettings *app = it->data;
811         gboolean match = TRUE;
812
813         g_assert(app->name != NULL || app->class != NULL);
814
815         /* we know that either name or class is not NULL so it will have to
816            match to use the rule */
817         if (app->name &&
818             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
819             match = FALSE;
820         else if (app->class &&
821                 !g_pattern_match(app->class,
822                                  strlen(self->class), self->class, NULL))
823             match = FALSE;
824         else if (app->role &&
825                  !g_pattern_match(app->role,
826                                   strlen(self->role), self->role, NULL))
827             match = FALSE;
828
829         if (match) {
830             ob_debug("Window matching: %s\n", app->name);
831
832             /* copy the settings to our struct, overriding the existing
833                settings if they are not defaults */
834             config_app_settings_copy_non_defaults(app, settings);
835         }
836     }
837
838     if (settings->shade != -1)
839         self->shaded = !!settings->shade;
840     if (settings->decor != -1)
841         self->undecorated = !settings->decor;
842     if (settings->iconic != -1)
843         self->iconic = !!settings->iconic;
844     if (settings->skip_pager != -1)
845         self->skip_pager = !!settings->skip_pager;
846     if (settings->skip_taskbar != -1)
847         self->skip_taskbar = !!settings->skip_taskbar;
848
849     if (settings->max_vert != -1)
850         self->max_vert = !!settings->max_vert;
851     if (settings->max_horz != -1)
852         self->max_horz = !!settings->max_horz;
853
854     if (settings->fullscreen != -1)
855         self->fullscreen = !!settings->fullscreen;
856
857     if (settings->desktop) {
858         if (settings->desktop == DESKTOP_ALL)
859             self->desktop = settings->desktop;
860         else if (settings->desktop > 0 &&
861                  settings->desktop <= screen_num_desktops)
862             self->desktop = settings->desktop - 1;
863     }
864
865     if (settings->layer == -1) {
866         self->below = TRUE;
867         self->above = FALSE;
868     }
869     else if (settings->layer == 0) {
870         self->below = FALSE;
871         self->above = FALSE;
872     }
873     else if (settings->layer == 1) {
874         self->below = FALSE;
875         self->above = TRUE;
876     }
877     return settings;
878 }
879
880 static void client_restore_session_state(ObClient *self)
881 {
882     GList *it;
883
884     ob_debug_type(OB_DEBUG_SM,
885                   "Restore session for client %s\n", self->title);
886
887     if (!(it = session_state_find(self))) {
888         ob_debug_type(OB_DEBUG_SM,
889                       "Session data not found for client %s\n", self->title);
890         return;
891     }
892
893     self->session = it->data;
894
895     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
896                   self->title);
897
898     RECT_SET_POINT(self->area, self->session->x, self->session->y);
899     self->positioned = USPosition;
900     self->sized = USSize;
901     if (self->session->w > 0)
902         self->area.width = self->session->w;
903     if (self->session->h > 0)
904         self->area.height = self->session->h;
905     XResizeWindow(ob_display, self->window,
906                   self->area.width, self->area.height);
907
908     self->desktop = (self->session->desktop == DESKTOP_ALL ?
909                      self->session->desktop :
910                      MIN(screen_num_desktops - 1, self->session->desktop));
911     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
912
913     self->shaded = self->session->shaded;
914     self->iconic = self->session->iconic;
915     self->skip_pager = self->session->skip_pager;
916     self->skip_taskbar = self->session->skip_taskbar;
917     self->fullscreen = self->session->fullscreen;
918     self->above = self->session->above;
919     self->below = self->session->below;
920     self->max_horz = self->session->max_horz;
921     self->max_vert = self->session->max_vert;
922     self->undecorated = self->session->undecorated;
923 }
924
925 static gboolean client_restore_session_stacking(ObClient *self)
926 {
927     GList *it, *mypos;
928
929     if (!self->session) return FALSE;
930
931     mypos = g_list_find(session_saved_state, self->session);
932     if (!mypos) return FALSE;
933
934     /* start above me and look for the first client */
935     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
936         GList *cit;
937
938         for (cit = client_list; cit; cit = g_list_next(cit)) {
939             ObClient *c = cit->data;
940             /* found a client that was in the session, so go below it */
941             if (c->session == it->data) {
942                 stacking_below(CLIENT_AS_WINDOW(self),
943                                CLIENT_AS_WINDOW(cit->data));
944                 return TRUE;
945             }
946         }
947     }
948     return FALSE;
949 }
950
951 void client_move_onscreen(ObClient *self, gboolean rude)
952 {
953     gint x = self->area.x;
954     gint y = self->area.y;
955     if (client_find_onscreen(self, &x, &y,
956                              self->area.width,
957                              self->area.height, rude)) {
958         client_move(self, x, y);
959     }
960 }
961
962 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
963                               gboolean rude)
964 {
965     gint ox = *x, oy = *y;
966     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
967     gint fw, fh;
968     Rect desired;
969     guint i;
970
971     RECT_SET(desired, *x, *y, w, h);
972     frame_rect_to_frame(self->frame, &desired);
973
974     /* get where the frame would be */
975     frame_client_gravity(self->frame, x, y);
976
977     /* get the requested size of the window with decorations */
978     fw = self->frame->size.left + w + self->frame->size.right;
979     fh = self->frame->size.top + h + self->frame->size.bottom;
980
981     /* If rudeness wasn't requested, then still be rude in a given direction
982        if the client is not moving, only resizing in that direction */
983     if (!rude) {
984         Point oldtl, oldtr, oldbl, oldbr;
985         Point newtl, newtr, newbl, newbr;
986         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
987
988         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
989         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
990                   self->frame->area.y + self->frame->area.height - 1);
991         POINT_SET(oldtr, oldbr.x, oldtl.y);
992         POINT_SET(oldbl, oldtl.x, oldbr.y);
993
994         POINT_SET(newtl, *x, *y);
995         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
996         POINT_SET(newtr, newbr.x, newtl.y);
997         POINT_SET(newbl, newtl.x, newbr.y);
998
999         /* is it moving or just resizing from some corner? */
1000         stationary_l = oldtl.x == newtl.x;
1001         stationary_r = oldtr.x == newtr.x;
1002         stationary_t = oldtl.y == newtl.y;
1003         stationary_b = oldbl.y == newbl.y;
1004
1005         /* if left edge is growing and didnt move right edge */
1006         if (stationary_r && newtl.x < oldtl.x)
1007             rudel = TRUE;
1008         /* if right edge is growing and didnt move left edge */
1009         if (stationary_l && newtr.x > oldtr.x)
1010             ruder = TRUE;
1011         /* if top edge is growing and didnt move bottom edge */
1012         if (stationary_b && newtl.y < oldtl.y)
1013             rudet = TRUE;
1014         /* if bottom edge is growing and didnt move top edge */
1015         if (stationary_t && newbl.y > oldbl.y)
1016             rudeb = TRUE;
1017     }
1018
1019     for (i = 0; i < screen_num_monitors; ++i) {
1020         Rect *a;
1021
1022         if (!screen_physical_area_monitor_contains(i, &desired)) {
1023             if (i < screen_num_monitors - 1)
1024                 continue;
1025
1026             /* the window is not inside any monitor! so just use the first
1027                one */
1028             a = screen_area(self->desktop, 0, NULL);
1029         } else
1030             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1031
1032         /* This makes sure windows aren't entirely outside of the screen so you
1033            can't see them at all.
1034            It makes sure 10% of the window is on the screen at least. At don't
1035            let it move itself off the top of the screen, which would hide the
1036            titlebar on you. (The user can still do this if they want too, it's
1037            only limiting the application.
1038         */
1039         if (client_normal(self)) {
1040             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1041                 *x = a->x + a->width - fw/10;
1042             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1043                 *y = a->y + a->height - fh/10;
1044             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1045                 *x = a->x - fw*9/10;
1046             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1047                 *y = a->y - fh*9/10;
1048         }
1049
1050         /* This here doesn't let windows even a pixel outside the
1051            struts/screen. When called from client_manage, programs placing
1052            themselves are forced completely onscreen, while things like
1053            xterm -geometry resolution-width/2 will work fine. Trying to
1054            place it completely offscreen will be handled in the above code.
1055            Sorry for this confused comment, i am tired. */
1056         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1057         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1058             *x = a->x + MAX(0, a->width - fw);
1059
1060         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1061         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1062             *y = a->y + MAX(0, a->height - fh);
1063
1064         g_free(a);
1065     }
1066
1067     /* get where the client should be */
1068     frame_frame_gravity(self->frame, x, y);
1069
1070     return ox != *x || oy != *y;
1071 }
1072
1073 static void client_get_all(ObClient *self, gboolean real)
1074 {
1075     /* this is needed for the frame to set itself up */
1076     client_get_area(self);
1077
1078     /* these things can change the decor and functions of the window */
1079
1080     client_get_mwm_hints(self);
1081     /* this can change the mwmhints for special cases */
1082     client_get_type_and_transientness(self);
1083     client_get_state(self);
1084     client_update_normal_hints(self);
1085
1086     /* get the session related properties, these can change decorations
1087        from per-app settings */
1088     client_get_session_ids(self);
1089
1090     /* now we got everything that can affect the decorations */
1091     if (!real)
1092         return;
1093
1094     /* get this early so we have it for debugging */
1095     client_update_title(self);
1096
1097     client_update_protocols(self);
1098
1099     client_update_wmhints(self);
1100     /* this may have already been called from client_update_wmhints */
1101     if (!self->parents && !self->transient_for_group)
1102         client_update_transient_for(self);
1103
1104     client_get_startup_id(self);
1105     client_get_desktop(self);/* uses transient data/group/startup id if a
1106                                 desktop is not specified */
1107     client_get_shaped(self);
1108
1109     {
1110         /* a couple type-based defaults for new windows */
1111
1112         /* this makes sure that these windows appear on all desktops */
1113         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1114             self->desktop = DESKTOP_ALL;
1115     }
1116
1117 #ifdef SYNC
1118     client_update_sync_request_counter(self);
1119 #endif
1120
1121     client_get_colormap(self);
1122     client_update_strut(self);
1123     client_update_icons(self);
1124     client_update_icon_geometry(self);
1125 }
1126
1127 static void client_get_startup_id(ObClient *self)
1128 {
1129     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1130         if (self->group)
1131             PROP_GETS(self->group->leader,
1132                       net_startup_id, utf8, &self->startup_id);
1133 }
1134
1135 static void client_get_area(ObClient *self)
1136 {
1137     XWindowAttributes wattrib;
1138     Status ret;
1139
1140     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1141     g_assert(ret != BadWindow);
1142
1143     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1144     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1145     self->border_width = wattrib.border_width;
1146
1147     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1148              wattrib.width, wattrib.height, wattrib.border_width);
1149 }
1150
1151 static void client_get_desktop(ObClient *self)
1152 {
1153     guint32 d = screen_num_desktops; /* an always-invalid value */
1154
1155     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1156         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1157             self->desktop = screen_num_desktops - 1;
1158         else
1159             self->desktop = d;
1160         ob_debug("client requested desktop 0x%x\n", self->desktop);
1161     } else {
1162         GSList *it;
1163         gboolean first = TRUE;
1164         guint all = screen_num_desktops; /* not a valid value */
1165
1166         /* if they are all on one desktop, then open it on the
1167            same desktop */
1168         for (it = self->parents; it; it = g_slist_next(it)) {
1169             ObClient *c = it->data;
1170
1171             if (c->desktop == DESKTOP_ALL) continue;
1172
1173             if (first) {
1174                 all = c->desktop;
1175                 first = FALSE;
1176             }
1177             else if (all != c->desktop)
1178                 all = screen_num_desktops; /* make it invalid */
1179         }
1180         if (all != screen_num_desktops) {
1181             self->desktop = all;
1182
1183             ob_debug("client desktop set from parents: 0x%x\n",
1184                      self->desktop);
1185         }
1186         /* try get from the startup-notification protocol */
1187         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1188             if (self->desktop >= screen_num_desktops &&
1189                 self->desktop != DESKTOP_ALL)
1190                 self->desktop = screen_num_desktops - 1;
1191             ob_debug("client desktop set from startup-notification: 0x%x\n",
1192                      self->desktop);
1193         }
1194         /* defaults to the current desktop */
1195         else {
1196             self->desktop = screen_desktop;
1197             ob_debug("client desktop set to the current desktop: %d\n",
1198                      self->desktop);
1199         }
1200     }
1201 }
1202
1203 static void client_get_state(ObClient *self)
1204 {
1205     guint32 *state;
1206     guint num;
1207
1208     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1209         gulong i;
1210         for (i = 0; i < num; ++i) {
1211             if (state[i] == prop_atoms.net_wm_state_modal)
1212                 self->modal = TRUE;
1213             else if (state[i] == prop_atoms.net_wm_state_shaded)
1214                 self->shaded = TRUE;
1215             else if (state[i] == prop_atoms.net_wm_state_hidden)
1216                 self->iconic = TRUE;
1217             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1218                 self->skip_taskbar = TRUE;
1219             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1220                 self->skip_pager = TRUE;
1221             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1222                 self->fullscreen = TRUE;
1223             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1224                 self->max_vert = TRUE;
1225             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1226                 self->max_horz = TRUE;
1227             else if (state[i] == prop_atoms.net_wm_state_above)
1228                 self->above = TRUE;
1229             else if (state[i] == prop_atoms.net_wm_state_below)
1230                 self->below = TRUE;
1231             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1232                 self->demands_attention = TRUE;
1233             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1234                 self->undecorated = TRUE;
1235         }
1236
1237         g_free(state);
1238     }
1239 }
1240
1241 static void client_get_shaped(ObClient *self)
1242 {
1243     self->shaped = FALSE;
1244 #ifdef   SHAPE
1245     if (extensions_shape) {
1246         gint foo;
1247         guint ufoo;
1248         gint s;
1249
1250         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1251
1252         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1253                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1254                            &ufoo);
1255         self->shaped = (s != 0);
1256     }
1257 #endif
1258 }
1259
1260 void client_update_transient_for(ObClient *self)
1261 {
1262     Window t = None;
1263     ObClient *target = NULL;
1264     gboolean trangroup = FALSE;
1265
1266     if (XGetTransientForHint(ob_display, self->window, &t)) {
1267         if (t != self->window) { /* cant be transient to itself! */
1268             target = g_hash_table_lookup(window_map, &t);
1269             /* if this happens then we need to check for it*/
1270             g_assert(target != self);
1271             if (target && !WINDOW_IS_CLIENT(target)) {
1272                 /* this can happen when a dialog is a child of
1273                    a dockapp, for example */
1274                 target = NULL;
1275             }
1276         }
1277
1278         /* Setting the transient_for to Root is actually illegal, however
1279            applications from time have done this to specify transient for
1280            their group */
1281         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1282             trangroup = TRUE;
1283     } else if (self->group && self->transient)
1284         trangroup = TRUE;
1285
1286     client_update_transient_tree(self, self->group, self->group,
1287                                  self->transient_for_group, trangroup,
1288                                  client_direct_parent(self), target);
1289     self->transient_for_group = trangroup;
1290
1291 }
1292
1293 static void client_update_transient_tree(ObClient *self,
1294                                          ObGroup *oldgroup, ObGroup *newgroup,
1295                                          gboolean oldgtran, gboolean newgtran,
1296                                          ObClient* oldparent,
1297                                          ObClient *newparent)
1298 {
1299     GSList *it, *next;
1300     ObClient *c;
1301
1302     g_assert(!oldgtran || oldgroup);
1303     g_assert(!newgtran || newgroup);
1304     g_assert((!oldgtran && !oldparent) ||
1305              (oldgtran && !oldparent) ||
1306              (!oldgtran && oldparent));
1307     g_assert((!newgtran && !newparent) ||
1308              (newgtran && !newparent) ||
1309              (!newgtran && newparent));
1310
1311     /* * *
1312       Group transient windows are not allowed to have other group
1313       transient windows as their children.
1314       * * */
1315
1316
1317     /* No change has occured */
1318     if (oldgroup == newgroup &&
1319         oldgtran == newgtran &&
1320         oldparent == newparent) return;
1321
1322     /** Remove the client from the transient tree **/
1323
1324     for (it = self->transients; it; it = next) {
1325         next = g_slist_next(it);
1326         c = it->data;
1327         self->transients = g_slist_delete_link(self->transients, it);
1328         c->parents = g_slist_remove(c->parents, self);
1329     }
1330     for (it = self->parents; it; it = next) {
1331         next = g_slist_next(it);
1332         c = it->data;
1333         self->parents = g_slist_delete_link(self->parents, it);
1334         c->transients = g_slist_remove(c->transients, self);
1335     }
1336
1337     /** Re-add the client to the transient tree **/
1338
1339     /* If we're transient for a group then we need to add ourselves to all our
1340        parents */
1341     if (newgtran) {
1342         for (it = newgroup->members; it; it = g_slist_next(it)) {
1343             c = it->data;
1344             if (c != self &&
1345                 !client_search_top_direct_parent(c)->transient_for_group &&
1346                 client_normal(c))
1347             {
1348                 c->transients = g_slist_prepend(c->transients, self);
1349                 self->parents = g_slist_prepend(self->parents, c);
1350             }
1351         }
1352     }
1353
1354     /* If we are now transient for a single window we need to add ourselves to
1355        its children
1356
1357        WARNING: Cyclical transient ness is possible if two windows are
1358        transient for eachother.
1359     */
1360     else if (newparent &&
1361              /* don't make ourself its child if it is already our child */
1362              !client_is_direct_child(self, newparent) &&
1363              client_normal(newparent))
1364     {
1365         newparent->transients = g_slist_prepend(newparent->transients, self);
1366         self->parents = g_slist_prepend(self->parents, newparent);
1367     }
1368
1369     /* Add any group transient windows to our children. But if we're transient
1370        for the group, then other group transients are not our children.
1371
1372        WARNING: Cyclical transient-ness is possible. For e.g. if:
1373        A is transient for the group
1374        B is transient for A
1375        C is transient for B
1376        A can't be transient for C or we have a cycle
1377     */
1378     if (!newgtran && newgroup &&
1379         (!newparent ||
1380          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1381         client_normal(self))
1382     {
1383         for (it = newgroup->members; it; it = g_slist_next(it)) {
1384             c = it->data;
1385             if (c != self && c->transient_for_group &&
1386                 /* Don't make it our child if it is already our parent */
1387                 !client_is_direct_child(c, self))
1388             {
1389                 self->transients = g_slist_prepend(self->transients, c);
1390                 c->parents = g_slist_prepend(c->parents, self);
1391             }
1392         }
1393     }
1394
1395     /** If we change our group transient-ness, our children change their
1396         effect group transient-ness, which affects how they relate to other
1397         group windows **/
1398
1399     for (it = self->transients; it; it = g_slist_next(it)) {
1400         c = it->data;
1401         if (!c->transient_for_group)
1402             client_update_transient_tree(c, c->group, c->group,
1403                                          c->transient_for_group,
1404                                          c->transient_for_group,
1405                                          client_direct_parent(c),
1406                                          client_direct_parent(c));
1407     }
1408 }
1409
1410 static void client_get_mwm_hints(ObClient *self)
1411 {
1412     guint num;
1413     guint32 *hints;
1414
1415     self->mwmhints.flags = 0; /* default to none */
1416
1417     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1418                     &hints, &num)) {
1419         if (num >= OB_MWM_ELEMENTS) {
1420             self->mwmhints.flags = hints[0];
1421             self->mwmhints.functions = hints[1];
1422             self->mwmhints.decorations = hints[2];
1423         }
1424         g_free(hints);
1425     }
1426 }
1427
1428 void client_get_type_and_transientness(ObClient *self)
1429 {
1430     guint num, i;
1431     guint32 *val;
1432     Window t;
1433
1434     self->type = -1;
1435     self->transient = FALSE;
1436
1437     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1438         /* use the first value that we know about in the array */
1439         for (i = 0; i < num; ++i) {
1440             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1441                 self->type = OB_CLIENT_TYPE_DESKTOP;
1442             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1443                 self->type = OB_CLIENT_TYPE_DOCK;
1444             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1445                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1446             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1447                 self->type = OB_CLIENT_TYPE_MENU;
1448             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1449                 self->type = OB_CLIENT_TYPE_UTILITY;
1450             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1451                 self->type = OB_CLIENT_TYPE_SPLASH;
1452             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1453                 self->type = OB_CLIENT_TYPE_DIALOG;
1454             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1455                 self->type = OB_CLIENT_TYPE_NORMAL;
1456             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1457                 /* prevent this window from getting any decor or
1458                    functionality */
1459                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1460                                          OB_MWM_FLAG_DECORATIONS);
1461                 self->mwmhints.decorations = 0;
1462                 self->mwmhints.functions = 0;
1463             }
1464             if (self->type != (ObClientType) -1)
1465                 break; /* grab the first legit type */
1466         }
1467         g_free(val);
1468     }
1469
1470     if (XGetTransientForHint(ob_display, self->window, &t))
1471         self->transient = TRUE;
1472
1473     if (self->type == (ObClientType) -1) {
1474         /*the window type hint was not set, which means we either classify
1475           ourself as a normal window or a dialog, depending on if we are a
1476           transient. */
1477         if (self->transient)
1478             self->type = OB_CLIENT_TYPE_DIALOG;
1479         else
1480             self->type = OB_CLIENT_TYPE_NORMAL;
1481     }
1482
1483     /* then, based on our type, we can update our transientness.. */
1484     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1485         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1486         self->type == OB_CLIENT_TYPE_MENU ||
1487         self->type == OB_CLIENT_TYPE_UTILITY)
1488     {
1489         self->transient = TRUE;
1490     }
1491 }
1492
1493 void client_update_protocols(ObClient *self)
1494 {
1495     guint32 *proto;
1496     guint num_return, i;
1497
1498     self->focus_notify = FALSE;
1499     self->delete_window = FALSE;
1500
1501     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1502         for (i = 0; i < num_return; ++i) {
1503             if (proto[i] == prop_atoms.wm_delete_window)
1504                 /* this means we can request the window to close */
1505                 self->delete_window = TRUE;
1506             else if (proto[i] == prop_atoms.wm_take_focus)
1507                 /* if this protocol is requested, then the window will be
1508                    notified whenever we want it to receive focus */
1509                 self->focus_notify = TRUE;
1510 #ifdef SYNC
1511             else if (proto[i] == prop_atoms.net_wm_sync_request)
1512                 /* if this protocol is requested, then resizing the
1513                    window will be synchronized between the frame and the
1514                    client */
1515                 self->sync_request = TRUE;
1516 #endif
1517         }
1518         g_free(proto);
1519     }
1520 }
1521
1522 #ifdef SYNC
1523 void client_update_sync_request_counter(ObClient *self)
1524 {
1525     guint32 i;
1526
1527     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1528         self->sync_counter = i;
1529     } else
1530         self->sync_counter = None;
1531 }
1532 #endif
1533
1534 void client_get_colormap(ObClient *self)
1535 {
1536     XWindowAttributes wa;
1537
1538     if (XGetWindowAttributes(ob_display, self->window, &wa))
1539         client_update_colormap(self, wa.colormap);
1540 }
1541
1542 void client_update_colormap(ObClient *self, Colormap colormap)
1543 {
1544     if (colormap == self->colormap) return;
1545
1546     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1547
1548     if (client_focused(self)) {
1549         screen_install_colormap(self, FALSE); /* uninstall old one */
1550         self->colormap = colormap;
1551         screen_install_colormap(self, FALSE); /* install new one */
1552     } else
1553         self->colormap = colormap;
1554 }
1555
1556 void client_update_normal_hints(ObClient *self)
1557 {
1558     XSizeHints size;
1559     glong ret;
1560
1561     /* defaults */
1562     self->min_ratio = 0.0f;
1563     self->max_ratio = 0.0f;
1564     SIZE_SET(self->size_inc, 1, 1);
1565     SIZE_SET(self->base_size, 0, 0);
1566     SIZE_SET(self->min_size, 0, 0);
1567     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1568
1569     /* get the hints from the window */
1570     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1571         /* normal windows can't request placement! har har
1572         if (!client_normal(self))
1573         */
1574         self->positioned = (size.flags & (PPosition|USPosition));
1575         self->sized = (size.flags & (PSize|USSize));
1576
1577         if (size.flags & PWinGravity)
1578             self->gravity = size.win_gravity;
1579
1580         if (size.flags & PAspect) {
1581             if (size.min_aspect.y)
1582                 self->min_ratio =
1583                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1584             if (size.max_aspect.y)
1585                 self->max_ratio =
1586                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1587         }
1588
1589         if (size.flags & PMinSize)
1590             SIZE_SET(self->min_size, size.min_width, size.min_height);
1591
1592         if (size.flags & PMaxSize)
1593             SIZE_SET(self->max_size, size.max_width, size.max_height);
1594
1595         if (size.flags & PBaseSize)
1596             SIZE_SET(self->base_size, size.base_width, size.base_height);
1597
1598         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1599             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1600
1601         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1602                  "size inc (%d %d) base size (%d %d)\n",
1603                  self->min_size.width, self->min_size.height,
1604                  self->max_size.width, self->max_size.height,
1605                  self->size_inc.width, self->size_inc.height,
1606                  self->base_size.width, self->base_size.height);
1607     }
1608     else
1609         ob_debug("Normal hints: not set\n");
1610 }
1611
1612 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1613 {
1614     /* start with everything (cept fullscreen) */
1615     self->decorations =
1616         (OB_FRAME_DECOR_TITLEBAR |
1617          OB_FRAME_DECOR_HANDLE |
1618          OB_FRAME_DECOR_GRIPS |
1619          OB_FRAME_DECOR_BORDER |
1620          OB_FRAME_DECOR_ICON |
1621          OB_FRAME_DECOR_ALLDESKTOPS |
1622          OB_FRAME_DECOR_ICONIFY |
1623          OB_FRAME_DECOR_MAXIMIZE |
1624          OB_FRAME_DECOR_SHADE |
1625          OB_FRAME_DECOR_CLOSE);
1626     self->functions =
1627         (OB_CLIENT_FUNC_RESIZE |
1628          OB_CLIENT_FUNC_MOVE |
1629          OB_CLIENT_FUNC_ICONIFY |
1630          OB_CLIENT_FUNC_MAXIMIZE |
1631          OB_CLIENT_FUNC_SHADE |
1632          OB_CLIENT_FUNC_CLOSE |
1633          OB_CLIENT_FUNC_BELOW |
1634          OB_CLIENT_FUNC_ABOVE |
1635          OB_CLIENT_FUNC_UNDECORATE);
1636
1637     if (!(self->min_size.width < self->max_size.width ||
1638           self->min_size.height < self->max_size.height))
1639         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1640
1641     switch (self->type) {
1642     case OB_CLIENT_TYPE_NORMAL:
1643         /* normal windows retain all of the possible decorations and
1644            functionality, and can be fullscreen */
1645         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1646         break;
1647
1648     case OB_CLIENT_TYPE_DIALOG:
1649         /* sometimes apps make dialog windows fullscreen for some reason (for
1650            e.g. kpdf does this..) */
1651         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1652         break;
1653
1654     case OB_CLIENT_TYPE_UTILITY:
1655         /* these windows don't have anything added or removed by default */
1656         break;
1657
1658     case OB_CLIENT_TYPE_MENU:
1659     case OB_CLIENT_TYPE_TOOLBAR:
1660         /* these windows can't iconify or maximize */
1661         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1662                                OB_FRAME_DECOR_MAXIMIZE);
1663         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1664                              OB_CLIENT_FUNC_MAXIMIZE);
1665         break;
1666
1667     case OB_CLIENT_TYPE_SPLASH:
1668         /* these don't get get any decorations, and the only thing you can
1669            do with them is move them */
1670         self->decorations = 0;
1671         self->functions = OB_CLIENT_FUNC_MOVE;
1672         break;
1673
1674     case OB_CLIENT_TYPE_DESKTOP:
1675         /* these windows are not manipulated by the window manager */
1676         self->decorations = 0;
1677         self->functions = 0;
1678         break;
1679
1680     case OB_CLIENT_TYPE_DOCK:
1681         /* these windows are not manipulated by the window manager, but they
1682            can set below layer which has a special meaning */
1683         self->decorations = 0;
1684         self->functions = OB_CLIENT_FUNC_BELOW;
1685         break;
1686     }
1687
1688     /* Mwm Hints are applied subtractively to what has already been chosen for
1689        decor and functionality */
1690     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1691         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1692             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1693                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1694             {
1695                 /* if the mwm hints request no handle or title, then all
1696                    decorations are disabled, but keep the border if that's
1697                    specified */
1698                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1699                     self->decorations = OB_FRAME_DECOR_BORDER;
1700                 else
1701                     self->decorations = 0;
1702             }
1703         }
1704     }
1705
1706     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1707         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1708             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1709                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1710             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1711                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1712             /* dont let mwm hints kill any buttons
1713                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1714                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1715                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1716                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1717             */
1718             /* dont let mwm hints kill the close button
1719                if (! (self->mwmhints.functions & MwmFunc_Close))
1720                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1721         }
1722     }
1723
1724     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1725         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1726     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1727         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1728     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1729         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1730
1731     /* can't maximize without moving/resizing */
1732     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1733           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1734           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1735         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1736         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1737     }
1738
1739     if (self->max_horz && self->max_vert) {
1740         /* you can't resize fully maximized windows */
1741         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1742         /* kill the handle on fully maxed windows */
1743         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1744     }
1745
1746     /* If there are no decorations to remove, don't allow the user to try
1747        toggle the state */
1748     if (self->decorations == 0)
1749         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1750
1751     /* finally, the user can have requested no decorations, which overrides
1752        everything (but doesnt give it a border if it doesnt have one) */
1753     if (self->undecorated)
1754         self->decorations = 0;
1755
1756     /* if we don't have a titlebar, then we cannot shade! */
1757     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1758         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1759
1760     /* now we need to check against rules for the client's current state */
1761     if (self->fullscreen) {
1762         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1763                             OB_CLIENT_FUNC_FULLSCREEN |
1764                             OB_CLIENT_FUNC_ICONIFY);
1765         self->decorations = 0;
1766     }
1767
1768     client_change_allowed_actions(self);
1769
1770     if (reconfig)
1771         /* force reconfigure to make sure decorations are updated */
1772         client_reconfigure(self, TRUE);
1773 }
1774
1775 static void client_change_allowed_actions(ObClient *self)
1776 {
1777     gulong actions[12];
1778     gint num = 0;
1779
1780     /* desktop windows are kept on all desktops */
1781     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1782         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1783
1784     if (self->functions & OB_CLIENT_FUNC_SHADE)
1785         actions[num++] = prop_atoms.net_wm_action_shade;
1786     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1787         actions[num++] = prop_atoms.net_wm_action_close;
1788     if (self->functions & OB_CLIENT_FUNC_MOVE)
1789         actions[num++] = prop_atoms.net_wm_action_move;
1790     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1791         actions[num++] = prop_atoms.net_wm_action_minimize;
1792     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1793         actions[num++] = prop_atoms.net_wm_action_resize;
1794     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1795         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1796     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1797         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1798         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1799     }
1800     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1801         actions[num++] = prop_atoms.net_wm_action_above;
1802     if (self->functions & OB_CLIENT_FUNC_BELOW)
1803         actions[num++] = prop_atoms.net_wm_action_below;
1804     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1805         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1806
1807     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1808
1809     /* make sure the window isn't breaking any rules now */
1810
1811     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1812         if (self->frame) client_shade(self, FALSE);
1813         else self->shaded = FALSE;
1814     }
1815     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1816         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1817         else self->iconic = FALSE;
1818     }
1819     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1820         if (self->frame) client_fullscreen(self, FALSE);
1821         else self->fullscreen = FALSE;
1822     }
1823     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1824                                                          self->max_vert)) {
1825         if (self->frame) client_maximize(self, FALSE, 0);
1826         else self->max_vert = self->max_horz = FALSE;
1827     }
1828 }
1829
1830 void client_update_wmhints(ObClient *self)
1831 {
1832     XWMHints *hints;
1833
1834     /* assume a window takes input if it doesnt specify */
1835     self->can_focus = TRUE;
1836
1837     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1838         gboolean ur;
1839
1840         if (hints->flags & InputHint)
1841             self->can_focus = hints->input;
1842
1843         /* only do this when first managing the window *AND* when we aren't
1844            starting up! */
1845         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1846             if (hints->flags & StateHint)
1847                 self->iconic = hints->initial_state == IconicState;
1848
1849         ur = self->urgent;
1850         self->urgent = (hints->flags & XUrgencyHint);
1851         if (self->urgent && !ur)
1852             client_hilite(self, TRUE);
1853         else if (!self->urgent && ur && self->demands_attention)
1854             client_hilite(self, FALSE);
1855
1856         if (!(hints->flags & WindowGroupHint))
1857             hints->window_group = None;
1858
1859         /* did the group state change? */
1860         if (hints->window_group !=
1861             (self->group ? self->group->leader : None))
1862         {
1863             ObGroup *oldgroup = self->group;
1864
1865             /* remove from the old group if there was one */
1866             if (self->group != NULL) {
1867                 group_remove(self->group, self);
1868                 self->group = NULL;
1869             }
1870
1871             /* add ourself to the group if we have one */
1872             if (hints->window_group != None) {
1873                 self->group = group_add(hints->window_group, self);
1874             }
1875
1876             /* Put ourselves into the new group's transient tree, and remove
1877                ourselves from the old group's */
1878             client_update_transient_tree(self, oldgroup, self->group,
1879                                          self->transient_for_group,
1880                                          self->transient_for_group,
1881                                          client_direct_parent(self),
1882                                          client_direct_parent(self));
1883
1884             /* Lastly, being in a group, or not, can change if the window is
1885                transient for anything.
1886
1887                The logic for this is:
1888                self->transient = TRUE always if the window wants to be
1889                transient for something, even if transient_for was NULL because
1890                it wasn't in a group before.
1891
1892                If parents was NULL and oldgroup was NULL we can assume
1893                that when we add the new group, it will become transient for
1894                something.
1895
1896                If transient_for_group is TRUE, then it must have already
1897                had a group. If it is getting a new group, the above call to
1898                client_update_transient_tree has already taken care of
1899                everything ! If it is losing all group status then it will
1900                no longer be transient for anything and that needs to be
1901                updated.
1902             */
1903             if (self->transient &&
1904                 ((self->parents == NULL && oldgroup == NULL) ||
1905                  (self->transient_for_group && !self->group)))
1906                 client_update_transient_for(self);
1907         }
1908
1909         /* the WM_HINTS can contain an icon */
1910         if (hints->flags & IconPixmapHint)
1911             client_update_icons(self);
1912
1913         XFree(hints);
1914     }
1915 }
1916
1917 void client_update_title(ObClient *self)
1918 {
1919     gchar *data = NULL;
1920     gchar *visible = NULL;
1921
1922     g_free(self->title);
1923
1924     /* try netwm */
1925     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1926         /* try old x stuff */
1927         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1928               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1929             if (self->transient) {
1930     /*
1931     GNOME alert windows are not given titles:
1932     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1933     */
1934                 data = g_strdup("");
1935             } else
1936                 data = g_strdup("Unnamed Window");
1937         }
1938     }
1939
1940     if (self->client_machine) {
1941         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1942         g_free(data);
1943     } else
1944         visible = data;
1945
1946     PROP_SETS(self->window, net_wm_visible_name, visible);
1947     self->title = visible;
1948
1949     if (self->frame)
1950         frame_adjust_title(self->frame);
1951
1952     /* update the icon title */
1953     data = NULL;
1954     g_free(self->icon_title);
1955
1956     /* try netwm */
1957     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1958         /* try old x stuff */
1959         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1960               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1961             data = g_strdup(self->title);
1962
1963     if (self->client_machine) {
1964         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1965         g_free(data);
1966     } else
1967         visible = data;
1968
1969     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1970     self->icon_title = visible;
1971 }
1972
1973 void client_update_strut(ObClient *self)
1974 {
1975     guint num;
1976     guint32 *data;
1977     gboolean got = FALSE;
1978     StrutPartial strut;
1979
1980     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1981                     &data, &num)) {
1982         if (num == 12) {
1983             got = TRUE;
1984             STRUT_PARTIAL_SET(strut,
1985                               data[0], data[2], data[1], data[3],
1986                               data[4], data[5], data[8], data[9],
1987                               data[6], data[7], data[10], data[11]);
1988         }
1989         g_free(data);
1990     }
1991
1992     if (!got &&
1993         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1994         if (num == 4) {
1995             Rect *a;
1996
1997             got = TRUE;
1998
1999             /* use the screen's width/height */
2000             a = screen_physical_area_all_monitors();
2001
2002             STRUT_PARTIAL_SET(strut,
2003                               data[0], data[2], data[1], data[3],
2004                               a->y, a->y + a->height - 1,
2005                               a->x, a->x + a->width - 1,
2006                               a->y, a->y + a->height - 1,
2007                               a->x, a->x + a->width - 1);
2008             g_free(a);
2009         }
2010         g_free(data);
2011     }
2012
2013     if (!got)
2014         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2015                           0, 0, 0, 0, 0, 0, 0, 0);
2016
2017     if (!STRUT_EQUAL(strut, self->strut)) {
2018         self->strut = strut;
2019
2020         /* updating here is pointless while we're being mapped cuz we're not in
2021            the client list yet */
2022         if (self->frame)
2023             screen_update_areas();
2024     }
2025 }
2026
2027 void client_update_icons(ObClient *self)
2028 {
2029     guint num;
2030     guint32 *data;
2031     guint w, h, i, j;
2032
2033     for (i = 0; i < self->nicons; ++i)
2034         g_free(self->icons[i].data);
2035     if (self->nicons > 0)
2036         g_free(self->icons);
2037     self->nicons = 0;
2038
2039     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2040         /* figure out how many valid icons are in here */
2041         i = 0;
2042         while (num - i > 2) {
2043             w = data[i++];
2044             h = data[i++];
2045             i += w * h;
2046             if (i > num || w*h == 0) break;
2047             ++self->nicons;
2048         }
2049
2050         self->icons = g_new(ObClientIcon, self->nicons);
2051
2052         /* store the icons */
2053         i = 0;
2054         for (j = 0; j < self->nicons; ++j) {
2055             guint x, y, t;
2056
2057             w = self->icons[j].width = data[i++];
2058             h = self->icons[j].height = data[i++];
2059
2060             if (w*h == 0) continue;
2061
2062             self->icons[j].data = g_new(RrPixel32, w * h);
2063             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2064                 if (x >= w) {
2065                     x = 0;
2066                     ++y;
2067                 }
2068                 self->icons[j].data[t] =
2069                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2070                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2071                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2072                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2073             }
2074             g_assert(i <= num);
2075         }
2076
2077         g_free(data);
2078     } else {
2079         XWMHints *hints;
2080
2081         if ((hints = XGetWMHints(ob_display, self->window))) {
2082             if (hints->flags & IconPixmapHint) {
2083                 self->nicons = 1;
2084                 self->icons = g_new(ObClientIcon, self->nicons);
2085                 xerror_set_ignore(TRUE);
2086                 if (!RrPixmapToRGBA(ob_rr_inst,
2087                                     hints->icon_pixmap,
2088                                     (hints->flags & IconMaskHint ?
2089                                      hints->icon_mask : None),
2090                                     &self->icons[0].width,
2091                                     &self->icons[0].height,
2092                                     &self->icons[0].data))
2093                 {
2094                     g_free(self->icons);
2095                     self->nicons = 0;
2096                 }
2097                 xerror_set_ignore(FALSE);
2098             }
2099             XFree(hints);
2100         }
2101     }
2102
2103     /* set the default icon onto the window
2104        in theory, this could be a race, but if a window doesn't set an icon
2105        or removes it entirely, it's not very likely it is going to set one
2106        right away afterwards
2107
2108        if it has parents, then one of them will have an icon already
2109     */
2110     if (self->nicons == 0 && !self->parents) {
2111         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2112         gulong *data;
2113
2114         data = g_new(gulong, 48*48+2);
2115         data[0] = data[1] =  48;
2116         for (i = 0; i < 48*48; ++i)
2117             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2118                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2119                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2120                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2121         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2122         g_free(data);
2123     } else if (self->frame)
2124         /* don't draw the icon empty if we're just setting one now anyways,
2125            we'll get the property change any second */
2126         frame_adjust_icon(self->frame);
2127 }
2128
2129 void client_update_icon_geometry(ObClient *self)
2130 {
2131     guint num;
2132     guint32 *data;
2133
2134     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2135
2136     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2137         && num == 4)
2138     {
2139         /* don't let them set it with an area < 0 */
2140         RECT_SET(self->icon_geometry, data[0], data[1],
2141                  MAX(data[2],0), MAX(data[3],0));
2142     }
2143 }
2144
2145 static void client_get_session_ids(ObClient *self)
2146 {
2147     guint32 leader;
2148     gboolean got;
2149     gchar *s;
2150     gchar **ss;
2151
2152     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2153         leader = None;
2154
2155     /* get the SM_CLIENT_ID */
2156     got = FALSE;
2157     if (leader)
2158         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2159     if (!got)
2160         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2161
2162     /* get the WM_CLASS (name and class). make them "" if they are not
2163        provided */
2164     got = FALSE;
2165     if (leader)
2166         got = PROP_GETSS(leader, wm_class, locale, &ss);
2167     if (!got)
2168         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2169
2170     if (got) {
2171         if (ss[0]) {
2172             self->name = g_strdup(ss[0]);
2173             if (ss[1])
2174                 self->class = g_strdup(ss[1]);
2175         }
2176         g_strfreev(ss);
2177     }
2178
2179     if (self->name == NULL) self->name = g_strdup("");
2180     if (self->class == NULL) self->class = g_strdup("");
2181
2182     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2183     got = FALSE;
2184     if (leader)
2185         got = PROP_GETS(leader, wm_window_role, locale, &s);
2186     if (!got)
2187         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2188
2189     if (got)
2190         self->role = s;
2191     else
2192         self->role = g_strdup("");
2193
2194     /* get the WM_COMMAND */
2195     got = FALSE;
2196
2197     if (leader)
2198         got = PROP_GETSS(leader, wm_command, locale, &ss);
2199     if (!got)
2200         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2201
2202     if (got) {
2203         /* merge/mash them all together */
2204         gchar *merge = NULL;
2205         gint i;
2206
2207         for (i = 0; ss[i]; ++i) {
2208             gchar *tmp = merge;
2209             if (merge)
2210                 merge = g_strconcat(merge, ss[i], NULL);
2211             else
2212                 merge = g_strconcat(ss[i], NULL);
2213             g_free(tmp);
2214         }
2215         g_strfreev(ss);
2216
2217         self->wm_command = merge;
2218     }
2219
2220     /* get the WM_CLIENT_MACHINE */
2221     got = FALSE;
2222     if (leader)
2223         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2224     if (!got)
2225         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2226
2227     if (got) {
2228         gchar localhost[128];
2229
2230         gethostname(localhost, 127);
2231         localhost[127] = '\0';
2232         if (strcmp(localhost, s) != 0)
2233             self->client_machine = s;
2234         else
2235             g_free(s);
2236     }
2237 }
2238
2239 static void client_change_wm_state(ObClient *self)
2240 {
2241     gulong state[2];
2242     glong old;
2243
2244     old = self->wmstate;
2245
2246     if (self->shaded || self->iconic ||
2247         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2248     {
2249         self->wmstate = IconicState;
2250     } else
2251         self->wmstate = NormalState;
2252
2253     if (old != self->wmstate) {
2254         PROP_MSG(self->window, kde_wm_change_state,
2255                  self->wmstate, 1, 0, 0);
2256
2257         state[0] = self->wmstate;
2258         state[1] = None;
2259         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2260     }
2261 }
2262
2263 static void client_change_state(ObClient *self)
2264 {
2265     gulong netstate[12];
2266     guint num;
2267
2268     num = 0;
2269     if (self->modal)
2270         netstate[num++] = prop_atoms.net_wm_state_modal;
2271     if (self->shaded)
2272         netstate[num++] = prop_atoms.net_wm_state_shaded;
2273     if (self->iconic)
2274         netstate[num++] = prop_atoms.net_wm_state_hidden;
2275     if (self->skip_taskbar)
2276         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2277     if (self->skip_pager)
2278         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2279     if (self->fullscreen)
2280         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2281     if (self->max_vert)
2282         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2283     if (self->max_horz)
2284         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2285     if (self->above)
2286         netstate[num++] = prop_atoms.net_wm_state_above;
2287     if (self->below)
2288         netstate[num++] = prop_atoms.net_wm_state_below;
2289     if (self->demands_attention)
2290         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2291     if (self->undecorated)
2292         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2293     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2294
2295     if (self->frame)
2296         frame_adjust_state(self->frame);
2297 }
2298
2299 ObClient *client_search_focus_tree(ObClient *self)
2300 {
2301     GSList *it;
2302     ObClient *ret;
2303
2304     for (it = self->transients; it; it = g_slist_next(it)) {
2305         if (client_focused(it->data)) return it->data;
2306         if ((ret = client_search_focus_tree(it->data))) return ret;
2307     }
2308     return NULL;
2309 }
2310
2311 ObClient *client_search_focus_tree_full(ObClient *self)
2312 {
2313     if (self->parents) {
2314         GSList *it;
2315
2316         for (it = self->parents; it; it = g_slist_next(it)) {
2317             ObClient *c = it->data;
2318             if ((c = client_search_focus_tree_full(it->data))) return c;
2319         }
2320
2321         return NULL;
2322     }
2323     else {
2324         /* this function checks the whole tree, the client_search_focus_tree
2325            does not, so we need to check this window */
2326         if (client_focused(self))
2327             return self;
2328         return client_search_focus_tree(self);
2329     }
2330 }
2331
2332 ObClient *client_search_focus_group_full(ObClient *self)
2333 {
2334     GSList *it;
2335
2336     if (self->group) {
2337         for (it = self->group->members; it; it = g_slist_next(it)) {
2338             ObClient *c = it->data;
2339
2340             if (client_focused(c)) return c;
2341             if ((c = client_search_focus_tree(it->data))) return c;
2342         }
2343     } else
2344         if (client_focused(self)) return self;
2345     return NULL;
2346 }
2347
2348 gboolean client_has_parent(ObClient *self)
2349 {
2350     return self->parents != NULL;
2351 }
2352
2353 static ObStackingLayer calc_layer(ObClient *self)
2354 {
2355     ObStackingLayer l;
2356     Rect *monitor;
2357
2358     monitor = screen_physical_area_monitor(client_monitor(self));
2359
2360     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2361         l = OB_STACKING_LAYER_DESKTOP;
2362     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2363         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2364         else l = OB_STACKING_LAYER_ABOVE;
2365     }
2366     else if ((self->fullscreen ||
2367               /* No decorations and fills the monitor = oldskool fullscreen.
2368                  But not for maximized windows.
2369               */
2370               (self->decorations == 0 &&
2371                !(self->max_horz && self->max_vert) &&
2372                RECT_EQUAL(self->area, *monitor))) &&
2373              (client_focused(self) || client_search_focus_tree(self)))
2374         l = OB_STACKING_LAYER_FULLSCREEN;
2375     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2376     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2377     else l = OB_STACKING_LAYER_NORMAL;
2378
2379     g_free(monitor);
2380
2381     return l;
2382 }
2383
2384 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2385                                         ObStackingLayer min)
2386 {
2387     ObStackingLayer old, own;
2388     GSList *it;
2389
2390     old = self->layer;
2391     own = calc_layer(self);
2392     self->layer = MAX(own, min);
2393
2394     if (self->layer != old) {
2395         stacking_remove(CLIENT_AS_WINDOW(self));
2396         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2397     }
2398
2399     for (it = self->transients; it; it = g_slist_next(it))
2400         client_calc_layer_recursive(it->data, orig,
2401                                     self->layer);
2402 }
2403
2404 void client_calc_layer(ObClient *self)
2405 {
2406     ObClient *orig;
2407     GSList *it;
2408
2409     orig = self;
2410
2411     /* transients take on the layer of their parents */
2412     it = client_search_all_top_parents(self);
2413
2414     for (; it; it = g_slist_next(it))
2415         client_calc_layer_recursive(it->data, orig, 0);
2416 }
2417
2418 gboolean client_should_show(ObClient *self)
2419 {
2420     if (self->iconic)
2421         return FALSE;
2422     if (client_normal(self) && screen_showing_desktop)
2423         return FALSE;
2424     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2425         return TRUE;
2426
2427     return FALSE;
2428 }
2429
2430 gboolean client_show(ObClient *self)
2431 {
2432     gboolean show = FALSE;
2433
2434     if (client_should_show(self)) {
2435         frame_show(self->frame);
2436         show = TRUE;
2437
2438         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2439            it needs to be in IconicState. This includes when it is on another
2440            desktop!
2441         */
2442         client_change_wm_state(self);
2443     }
2444     return show;
2445 }
2446
2447 gboolean client_hide(ObClient *self)
2448 {
2449     gboolean hide = FALSE;
2450
2451     if (!client_should_show(self)) {
2452         if (self == focus_client) {
2453             /* if there is a grab going on, then we need to cancel it. if we
2454                move focus during the grab, applications will get
2455                NotifyWhileGrabbed events and ignore them !
2456
2457                actions should not rely on being able to move focus during an
2458                interactive grab.
2459             */
2460             event_cancel_all_key_grabs();
2461         }
2462
2463         /* We don't need to ignore enter events here.
2464            The window can hide/iconify in 3 different ways:
2465            1 - through an x message. in this case we ignore all enter events
2466                caused by responding to the x message (unless underMouse)
2467            2 - by a keyboard action. in this case we ignore all enter events
2468                caused by the action
2469            3 - by a mouse action. in this case they are doing stuff with the
2470                mouse and focus _should_ move.
2471
2472            Also in action_end, we simulate an enter event that can't be ignored
2473            so trying to ignore them is futile in case 3 anyways
2474         */
2475
2476         frame_hide(self->frame);
2477         hide = TRUE;
2478
2479         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2480            it needs to be in IconicState. This includes when it is on another
2481            desktop!
2482         */
2483         client_change_wm_state(self);
2484     }
2485     return hide;
2486 }
2487
2488 void client_showhide(ObClient *self)
2489 {
2490     if (!client_show(self))
2491         client_hide(self);
2492 }
2493
2494 gboolean client_normal(ObClient *self) {
2495     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2496               self->type == OB_CLIENT_TYPE_DOCK ||
2497               self->type == OB_CLIENT_TYPE_SPLASH);
2498 }
2499
2500 gboolean client_helper(ObClient *self)
2501 {
2502     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2503             self->type == OB_CLIENT_TYPE_MENU ||
2504             self->type == OB_CLIENT_TYPE_TOOLBAR);
2505 }
2506
2507 gboolean client_mouse_focusable(ObClient *self)
2508 {
2509     return !(self->type == OB_CLIENT_TYPE_MENU ||
2510              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2511              self->type == OB_CLIENT_TYPE_SPLASH ||
2512              self->type == OB_CLIENT_TYPE_DOCK);
2513 }
2514
2515 gboolean client_enter_focusable(ObClient *self)
2516 {
2517     /* you can focus desktops but it shouldn't on enter */
2518     return (client_mouse_focusable(self) &&
2519             self->type != OB_CLIENT_TYPE_DESKTOP);
2520 }
2521
2522
2523 static void client_apply_startup_state(ObClient *self,
2524                                        gint x, gint y, gint w, gint h)
2525 {
2526     /* save the states that we are going to apply */
2527     gboolean iconic = self->iconic;
2528     gboolean fullscreen = self->fullscreen;
2529     gboolean undecorated = self->undecorated;
2530     gboolean shaded = self->shaded;
2531     gboolean demands_attention = self->demands_attention;
2532     gboolean max_horz = self->max_horz;
2533     gboolean max_vert = self->max_vert;
2534     Rect oldarea;
2535     gint l;
2536
2537     /* turn them all off in the client, so they won't affect the window
2538        being placed */
2539     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2540         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2541
2542     /* move the client to its placed position, or it it's already there,
2543        generate a ConfigureNotify telling the client where it is.
2544
2545        do this after adjusting the frame. otherwise it gets all weird and
2546        clients don't work right
2547
2548        do this before applying the states so they have the correct
2549        pre-max/pre-fullscreen values
2550     */
2551     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2552     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2553              self->window, x, y, w, h);
2554     /* save the area, and make it where it should be for the premax stuff */
2555     oldarea = self->area;
2556     RECT_SET(self->area, x, y, w, h);
2557
2558     /* apply the states. these are in a carefully crafted order.. */
2559
2560     if (iconic)
2561         client_iconify(self, TRUE, FALSE, TRUE);
2562     if (fullscreen)
2563         client_fullscreen(self, TRUE);
2564     if (undecorated)
2565         client_set_undecorated(self, TRUE);
2566     if (shaded)
2567         client_shade(self, TRUE);
2568     if (demands_attention)
2569         client_hilite(self, TRUE);
2570
2571     if (max_vert && max_horz)
2572         client_maximize(self, TRUE, 0);
2573     else if (max_vert)
2574         client_maximize(self, TRUE, 2);
2575     else if (max_horz)
2576         client_maximize(self, TRUE, 1);
2577
2578     /* if the window hasn't been configured yet, then do so now, in fact the
2579        x,y,w,h may _not_ be the same as the area rect, which can end up
2580        meaning that the client isn't properly moved/resized by the fullscreen
2581        function
2582        pho can cause this because it maps at size of the screen but not 0,0
2583        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2584        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2585        cuz thats where the pre-fullscreen will be. however the actual area is
2586        not, so this needs to be called even if we have fullscreened/maxed
2587     */
2588     self->area = oldarea;
2589     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2590
2591     /* set the desktop hint, to make sure that it always exists */
2592     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2593
2594     /* nothing to do for the other states:
2595        skip_taskbar
2596        skip_pager
2597        modal
2598        above
2599        below
2600     */
2601 }
2602
2603 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2604 {
2605     /* these should be the current values. this is for when you're not moving,
2606        just resizing */
2607     g_assert(*x == self->area.x);
2608     g_assert(oldw == self->area.width);
2609
2610     /* horizontal */
2611     switch (self->gravity) {
2612     default:
2613     case NorthWestGravity:
2614     case WestGravity:
2615     case SouthWestGravity:
2616     case StaticGravity:
2617     case ForgetGravity:
2618         break;
2619     case NorthGravity:
2620     case CenterGravity:
2621     case SouthGravity:
2622         *x -= (neww - oldw) / 2;
2623         break;
2624     case NorthEastGravity:
2625     case EastGravity:
2626     case SouthEastGravity:
2627         *x -= neww - oldw;
2628         break;
2629     }
2630 }
2631
2632 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2633 {
2634     /* these should be the current values. this is for when you're not moving,
2635        just resizing */
2636     g_assert(*y == self->area.y);
2637     g_assert(oldh == self->area.height);
2638
2639     /* vertical */
2640     switch (self->gravity) {
2641     default:
2642     case NorthWestGravity:
2643     case NorthGravity:
2644     case NorthEastGravity:
2645     case StaticGravity:
2646     case ForgetGravity:
2647         break;
2648     case WestGravity:
2649     case CenterGravity:
2650     case EastGravity:
2651         *y -= (newh - oldh) / 2;
2652         break;
2653     case SouthWestGravity:
2654     case SouthGravity:
2655     case SouthEastGravity:
2656         *y -= newh - oldh;
2657         break;
2658     }
2659 }
2660
2661 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2662                           gint *logicalw, gint *logicalh,
2663                           gboolean user)
2664 {
2665     Rect desired = {*x, *y, *w, *h};
2666     frame_rect_to_frame(self->frame, &desired);
2667
2668     /* make the frame recalculate its dimentions n shit without changing
2669        anything visible for real, this way the constraints below can work with
2670        the updated frame dimensions. */
2671     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2672
2673     /* gets the frame's position */
2674     frame_client_gravity(self->frame, x, y);
2675
2676     /* these positions are frame positions, not client positions */
2677
2678     /* set the size and position if fullscreen */
2679     if (self->fullscreen) {
2680         Rect *a;
2681         guint i;
2682
2683         i = screen_find_monitor(&desired);
2684         a = screen_physical_area_monitor(i);
2685
2686         *x = a->x;
2687         *y = a->y;
2688         *w = a->width;
2689         *h = a->height;
2690
2691         user = FALSE; /* ignore if the client can't be moved/resized when it
2692                          is fullscreening */
2693
2694         g_free(a);
2695     } else if (self->max_horz || self->max_vert) {
2696         Rect *a;
2697         guint i;
2698
2699         /* use all possible struts when maximizing to the full screen */
2700         i = screen_find_monitor(&desired);
2701         a = screen_area(self->desktop, i,
2702                         (self->max_horz && self->max_vert ? NULL : &desired));
2703
2704         /* set the size and position if maximized */
2705         if (self->max_horz) {
2706             *x = a->x;
2707             *w = a->width - self->frame->size.left - self->frame->size.right;
2708         }
2709         if (self->max_vert) {
2710             *y = a->y;
2711             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2712         }
2713
2714         user = FALSE; /* ignore if the client can't be moved/resized when it
2715                          is maximizing */
2716
2717         g_free(a);
2718     }
2719
2720     /* gets the client's position */
2721     frame_frame_gravity(self->frame, x, y);
2722
2723     /* work within the prefered sizes given by the window */
2724     if (!(*w == self->area.width && *h == self->area.height)) {
2725         gint basew, baseh, minw, minh;
2726         gint incw, inch;
2727         gfloat minratio, maxratio;
2728
2729         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2730         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2731         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2732             0 : self->min_ratio;
2733         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2734             0 : self->max_ratio;
2735
2736         /* base size is substituted with min size if not specified */
2737         if (self->base_size.width || self->base_size.height) {
2738             basew = self->base_size.width;
2739             baseh = self->base_size.height;
2740         } else {
2741             basew = self->min_size.width;
2742             baseh = self->min_size.height;
2743         }
2744         /* min size is substituted with base size if not specified */
2745         if (self->min_size.width || self->min_size.height) {
2746             minw = self->min_size.width;
2747             minh = self->min_size.height;
2748         } else {
2749             minw = self->base_size.width;
2750             minh = self->base_size.height;
2751         }
2752
2753         /* if this is a user-requested resize, then check against min/max
2754            sizes */
2755
2756         /* smaller than min size or bigger than max size? */
2757         if (*w > self->max_size.width) *w = self->max_size.width;
2758         if (*w < minw) *w = minw;
2759         if (*h > self->max_size.height) *h = self->max_size.height;
2760         if (*h < minh) *h = minh;
2761
2762         *w -= basew;
2763         *h -= baseh;
2764
2765         /* keep to the increments */
2766         *w /= incw;
2767         *h /= inch;
2768
2769         /* you cannot resize to nothing */
2770         if (basew + *w < 1) *w = 1 - basew;
2771         if (baseh + *h < 1) *h = 1 - baseh;
2772
2773         /* save the logical size */
2774         *logicalw = incw > 1 ? *w : *w + basew;
2775         *logicalh = inch > 1 ? *h : *h + baseh;
2776
2777         *w *= incw;
2778         *h *= inch;
2779
2780         *w += basew;
2781         *h += baseh;
2782
2783         /* adjust the height to match the width for the aspect ratios.
2784            for this, min size is not substituted for base size ever. */
2785         *w -= self->base_size.width;
2786         *h -= self->base_size.height;
2787
2788         if (minratio)
2789             if (*h * minratio > *w) {
2790                 *h = (gint)(*w / minratio);
2791
2792                 /* you cannot resize to nothing */
2793                 if (*h < 1) {
2794                     *h = 1;
2795                     *w = (gint)(*h * minratio);
2796                 }
2797             }
2798         if (maxratio)
2799             if (*h * maxratio < *w) {
2800                 *h = (gint)(*w / maxratio);
2801
2802                 /* you cannot resize to nothing */
2803                 if (*h < 1) {
2804                     *h = 1;
2805                     *w = (gint)(*h * minratio);
2806                 }
2807             }
2808
2809         *w += self->base_size.width;
2810         *h += self->base_size.height;
2811     }
2812
2813     /* these override the above states! if you cant move you can't move! */
2814     if (user) {
2815         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2816             *x = self->area.x;
2817             *y = self->area.y;
2818         }
2819         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2820             *w = self->area.width;
2821             *h = self->area.height;
2822         }
2823     }
2824
2825     g_assert(*w > 0);
2826     g_assert(*h > 0);
2827 }
2828
2829
2830 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2831                       gboolean user, gboolean final, gboolean force_reply)
2832 {
2833     gint oldw, oldh;
2834     gboolean send_resize_client;
2835     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2836     gboolean fmoved, fresized;
2837     guint fdecor = self->frame->decorations;
2838     gboolean fhorz = self->frame->max_horz;
2839     gboolean fvert = self->frame->max_vert;
2840     gint logicalw, logicalh;
2841
2842     /* find the new x, y, width, and height (and logical size) */
2843     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2844
2845     /* set the logical size if things changed */
2846     if (!(w == self->area.width && h == self->area.height))
2847         SIZE_SET(self->logical_size, logicalw, logicalh);
2848
2849     /* figure out if we moved or resized or what */
2850     moved = (x != self->area.x || y != self->area.y);
2851     resized = (w != self->area.width || h != self->area.height);
2852
2853     oldw = self->area.width;
2854     oldh = self->area.height;
2855     RECT_SET(self->area, x, y, w, h);
2856
2857     /* for app-requested resizes, always resize if 'resized' is true.
2858        for user-requested ones, only resize if final is true, or when
2859        resizing in redraw mode */
2860     send_resize_client = ((!user && resized) ||
2861                           (user && (final ||
2862                                     (resized && config_resize_redraw))));
2863
2864     /* if the client is enlarging, then resize the client before the frame */
2865     if (send_resize_client && (w > oldw || h > oldh)) {
2866         XMoveResizeWindow(ob_display, self->window,
2867                           self->frame->size.left, self->frame->size.top,
2868                           MAX(w, oldw), MAX(h, oldh));
2869         frame_adjust_client_area(self->frame);
2870     }
2871
2872     /* find the frame's dimensions and move/resize it */
2873     fmoved = moved;
2874     fresized = resized;
2875
2876     /* if decorations changed, then readjust everything for the frame */
2877     if (self->decorations != fdecor ||
2878         self->max_horz != fhorz || self->max_vert != fvert)
2879     {
2880         fmoved = fresized = TRUE;
2881     }
2882
2883     /* adjust the frame */
2884     if (fmoved || fresized) {
2885         gulong ignore_start;
2886         if (!user)
2887             ignore_start = event_start_ignore_all_enters();
2888
2889         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2890
2891         if (!user)
2892             event_end_ignore_all_enters(ignore_start);
2893     }
2894
2895     if (!user || final) {
2896         gint oldrx = self->root_pos.x;
2897         gint oldry = self->root_pos.y;
2898         /* we have reset the client to 0 border width, so don't include
2899            it in these coords */
2900         POINT_SET(self->root_pos,
2901                   self->frame->area.x + self->frame->size.left -
2902                   self->border_width,
2903                   self->frame->area.y + self->frame->size.top -
2904                   self->border_width);
2905         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
2906             rootmoved = TRUE;
2907     }
2908
2909     /* This is kinda tricky and should not be changed.. let me explain!
2910
2911        When user = FALSE, then the request is coming from the application
2912        itself, and we are more strict about when to send a synthetic
2913        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2914        in this case (if force_reply is true)
2915
2916        When user = TRUE, then the request is coming from "us", like when we
2917        maximize a window or something.  In this case we are more lenient.  We
2918        used to follow the same rules as above, but _Java_ Swing can't handle
2919        this. So just to appease Swing, when user = TRUE, we always send
2920        a synthetic ConfigureNotify to give the window its root coordinates.
2921     */
2922     if ((!user && !resized && (rootmoved || force_reply)) ||
2923         (user && final && rootmoved))
2924     {
2925         XEvent event;
2926
2927         event.type = ConfigureNotify;
2928         event.xconfigure.display = ob_display;
2929         event.xconfigure.event = self->window;
2930         event.xconfigure.window = self->window;
2931
2932         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2933                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2934
2935         /* root window real coords */
2936         event.xconfigure.x = self->root_pos.x;
2937         event.xconfigure.y = self->root_pos.y;
2938         event.xconfigure.width = w;
2939         event.xconfigure.height = h;
2940         event.xconfigure.border_width = self->border_width;
2941         event.xconfigure.above = None;
2942         event.xconfigure.override_redirect = FALSE;
2943         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2944                    FALSE, StructureNotifyMask, &event);
2945     }
2946
2947     /* if the client is shrinking, then resize the frame before the client.
2948
2949        both of these resize sections may run, because the top one only resizes
2950        in the direction that is growing
2951      */
2952     if (send_resize_client && (w <= oldw || h <= oldh)) {
2953         frame_adjust_client_area(self->frame);
2954         XMoveResizeWindow(ob_display, self->window,
2955                           self->frame->size.left, self->frame->size.top, w, h);
2956     }
2957
2958     XFlush(ob_display);
2959 }
2960
2961 void client_fullscreen(ObClient *self, gboolean fs)
2962 {
2963     gint x, y, w, h;
2964
2965     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2966         self->fullscreen == fs) return;                   /* already done */
2967
2968     self->fullscreen = fs;
2969     client_change_state(self); /* change the state hints on the client */
2970
2971     if (fs) {
2972         self->pre_fullscreen_area = self->area;
2973         /* if the window is maximized, its area isn't all that meaningful.
2974            save it's premax area instead. */
2975         if (self->max_horz) {
2976             self->pre_fullscreen_area.x = self->pre_max_area.x;
2977             self->pre_fullscreen_area.width = self->pre_max_area.width;
2978         }
2979         if (self->max_vert) {
2980             self->pre_fullscreen_area.y = self->pre_max_area.y;
2981             self->pre_fullscreen_area.height = self->pre_max_area.height;
2982         }
2983
2984         /* these will help configure_full figure out where to fullscreen
2985            the window */
2986         x = self->area.x;
2987         y = self->area.y;
2988         w = self->area.width;
2989         h = self->area.height;
2990     } else {
2991         g_assert(self->pre_fullscreen_area.width > 0 &&
2992                  self->pre_fullscreen_area.height > 0);
2993
2994         x = self->pre_fullscreen_area.x;
2995         y = self->pre_fullscreen_area.y;
2996         w = self->pre_fullscreen_area.width;
2997         h = self->pre_fullscreen_area.height;
2998         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2999     }
3000
3001     ob_debug("Window %s going fullscreen (%d)\n",
3002              self->title, self->fullscreen);
3003
3004     client_setup_decor_and_functions(self, FALSE);
3005     client_move_resize(self, x, y, w, h);
3006
3007     /* and adjust our layer/stacking. do this after resizing the window,
3008        and applying decorations, because windows which fill the screen are
3009        considered "fullscreen" and it affects their layer */
3010     client_calc_layer(self);
3011
3012     if (fs) {
3013         /* try focus us when we go into fullscreen mode */
3014         client_focus(self);
3015     }
3016 }
3017
3018 static void client_iconify_recursive(ObClient *self,
3019                                      gboolean iconic, gboolean curdesk,
3020                                      gboolean hide_animation)
3021 {
3022     GSList *it;
3023     gboolean changed = FALSE;
3024
3025
3026     if (self->iconic != iconic) {
3027         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3028                  self->window);
3029
3030         if (iconic) {
3031             /* don't let non-normal windows iconify along with their parents
3032                or whatever */
3033             if (client_normal(self)) {
3034                 self->iconic = iconic;
3035
3036                 /* update the focus lists.. iconic windows go to the bottom of
3037                    the list */
3038                 focus_order_to_bottom(self);
3039
3040                 changed = TRUE;
3041             }
3042         } else {
3043             self->iconic = iconic;
3044
3045             if (curdesk && self->desktop != screen_desktop &&
3046                 self->desktop != DESKTOP_ALL)
3047                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3048
3049             /* this puts it after the current focused window */
3050             focus_order_remove(self);
3051             focus_order_add_new(self);
3052
3053             changed = TRUE;
3054         }
3055     }
3056
3057     if (changed) {
3058         client_change_state(self);
3059         if (config_animate_iconify && !hide_animation)
3060             frame_begin_iconify_animation(self->frame, iconic);
3061         /* do this after starting the animation so it doesn't flash */
3062         client_showhide(self);
3063     }
3064
3065     /* iconify all direct transients, and deiconify all transients
3066        (non-direct too) */
3067     for (it = self->transients; it; it = g_slist_next(it))
3068         if (it->data != self)
3069             if (client_is_direct_child(self, it->data) || !iconic)
3070                 client_iconify_recursive(it->data, iconic, curdesk,
3071                                          hide_animation);
3072 }
3073
3074 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3075                     gboolean hide_animation)
3076 {
3077     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3078         /* move up the transient chain as far as possible first */
3079         self = client_search_top_direct_parent(self);
3080         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3081     }
3082 }
3083
3084 void client_maximize(ObClient *self, gboolean max, gint dir)
3085 {
3086     gint x, y, w, h;
3087
3088     g_assert(dir == 0 || dir == 1 || dir == 2);
3089     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3090
3091     /* check if already done */
3092     if (max) {
3093         if (dir == 0 && self->max_horz && self->max_vert) return;
3094         if (dir == 1 && self->max_horz) return;
3095         if (dir == 2 && self->max_vert) return;
3096     } else {
3097         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3098         if (dir == 1 && !self->max_horz) return;
3099         if (dir == 2 && !self->max_vert) return;
3100     }
3101
3102     /* these will help configure_full figure out which screen to fill with
3103        the window */
3104     x = self->area.x;
3105     y = self->area.y;
3106     w = self->area.width;
3107     h = self->area.height;
3108
3109     if (max) {
3110         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3111             RECT_SET(self->pre_max_area,
3112                      self->area.x, self->pre_max_area.y,
3113                      self->area.width, self->pre_max_area.height);
3114         }
3115         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3116             RECT_SET(self->pre_max_area,
3117                      self->pre_max_area.x, self->area.y,
3118                      self->pre_max_area.width, self->area.height);
3119         }
3120     } else {
3121         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3122             g_assert(self->pre_max_area.width > 0);
3123
3124             x = self->pre_max_area.x;
3125             w = self->pre_max_area.width;
3126
3127             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3128                      0, self->pre_max_area.height);
3129         }
3130         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3131             g_assert(self->pre_max_area.height > 0);
3132
3133             y = self->pre_max_area.y;
3134             h = self->pre_max_area.height;
3135
3136             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3137                      self->pre_max_area.width, 0);
3138         }
3139     }
3140
3141     if (dir == 0 || dir == 1) /* horz */
3142         self->max_horz = max;
3143     if (dir == 0 || dir == 2) /* vert */
3144         self->max_vert = max;
3145
3146     client_change_state(self); /* change the state hints on the client */
3147
3148     client_setup_decor_and_functions(self, FALSE);
3149     client_move_resize(self, x, y, w, h);
3150 }
3151
3152 void client_shade(ObClient *self, gboolean shade)
3153 {
3154     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3155          shade) ||                         /* can't shade */
3156         self->shaded == shade) return;     /* already done */
3157
3158     self->shaded = shade;
3159     client_change_state(self);
3160     client_change_wm_state(self); /* the window is being hidden/shown */
3161     /* resize the frame to just the titlebar */
3162     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3163 }
3164
3165 void client_close(ObClient *self)
3166 {
3167     XEvent ce;
3168
3169     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3170
3171     /* in the case that the client provides no means to requesting that it
3172        close, we just kill it */
3173     if (!self->delete_window)
3174         client_kill(self);
3175
3176     /*
3177       XXX: itd be cool to do timeouts and shit here for killing the client's
3178       process off
3179       like... if the window is around after 5 seconds, then the close button
3180       turns a nice red, and if this function is called again, the client is
3181       explicitly killed.
3182     */
3183
3184     ce.xclient.type = ClientMessage;
3185     ce.xclient.message_type =  prop_atoms.wm_protocols;
3186     ce.xclient.display = ob_display;
3187     ce.xclient.window = self->window;
3188     ce.xclient.format = 32;
3189     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3190     ce.xclient.data.l[1] = event_curtime;
3191     ce.xclient.data.l[2] = 0l;
3192     ce.xclient.data.l[3] = 0l;
3193     ce.xclient.data.l[4] = 0l;
3194     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3195 }
3196
3197 void client_kill(ObClient *self)
3198 {
3199     XKillClient(ob_display, self->window);
3200 }
3201
3202 void client_hilite(ObClient *self, gboolean hilite)
3203 {
3204     if (self->demands_attention == hilite)
3205         return; /* no change */
3206
3207     /* don't allow focused windows to hilite */
3208     self->demands_attention = hilite && !client_focused(self);
3209     if (self->frame != NULL) { /* if we're mapping, just set the state */
3210         if (self->demands_attention)
3211             frame_flash_start(self->frame);
3212         else
3213             frame_flash_stop(self->frame);
3214         client_change_state(self);
3215     }
3216 }
3217
3218 void client_set_desktop_recursive(ObClient *self,
3219                                   guint target,
3220                                   gboolean donthide,
3221                                   gboolean dontraise)
3222 {
3223     guint old;
3224     GSList *it;
3225
3226     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3227
3228         ob_debug("Setting desktop %u\n", target+1);
3229
3230         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3231
3232         old = self->desktop;
3233         self->desktop = target;
3234         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3235         /* the frame can display the current desktop state */
3236         frame_adjust_state(self->frame);
3237         /* 'move' the window to the new desktop */
3238         if (!donthide)
3239             client_hide(self);
3240         client_show(self);
3241         /* raise if it was not already on the desktop */
3242         if (old != DESKTOP_ALL && !dontraise)
3243             stacking_raise(CLIENT_AS_WINDOW(self));
3244         if (STRUT_EXISTS(self->strut))
3245             screen_update_areas();
3246         else
3247             /* the new desktop's geometry may be different, so we may need to
3248                resize, for example if we are maximized */
3249             client_reconfigure(self, FALSE);
3250     }
3251
3252     /* move all transients */
3253     for (it = self->transients; it; it = g_slist_next(it))
3254         if (it->data != self)
3255             if (client_is_direct_child(self, it->data))
3256                 client_set_desktop_recursive(it->data, target,
3257                                              donthide, dontraise);
3258 }
3259
3260 void client_set_desktop(ObClient *self, guint target,
3261                         gboolean donthide, gboolean dontraise)
3262 {
3263     self = client_search_top_direct_parent(self);
3264     client_set_desktop_recursive(self, target, donthide, dontraise);
3265 }
3266
3267 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3268 {
3269     while (child != parent && (child = client_direct_parent(child)));
3270     return child == parent;
3271 }
3272
3273 ObClient *client_search_modal_child(ObClient *self)
3274 {
3275     GSList *it;
3276     ObClient *ret;
3277
3278     for (it = self->transients; it; it = g_slist_next(it)) {
3279         ObClient *c = it->data;
3280         if ((ret = client_search_modal_child(c))) return ret;
3281         if (c->modal) return c;
3282     }
3283     return NULL;
3284 }
3285
3286 gboolean client_validate(ObClient *self)
3287 {
3288     XEvent e;
3289
3290     XSync(ob_display, FALSE); /* get all events on the server */
3291
3292     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3293         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3294         XPutBackEvent(ob_display, &e);
3295         return FALSE;
3296     }
3297
3298     return TRUE;
3299 }
3300
3301 void client_set_wm_state(ObClient *self, glong state)
3302 {
3303     if (state == self->wmstate) return; /* no change */
3304
3305     switch (state) {
3306     case IconicState:
3307         client_iconify(self, TRUE, TRUE, FALSE);
3308         break;
3309     case NormalState:
3310         client_iconify(self, FALSE, TRUE, FALSE);
3311         break;
3312     }
3313 }
3314
3315 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3316 {
3317     gboolean shaded = self->shaded;
3318     gboolean fullscreen = self->fullscreen;
3319     gboolean undecorated = self->undecorated;
3320     gboolean max_horz = self->max_horz;
3321     gboolean max_vert = self->max_vert;
3322     gboolean modal = self->modal;
3323     gboolean iconic = self->iconic;
3324     gboolean demands_attention = self->demands_attention;
3325     gboolean above = self->above;
3326     gboolean below = self->below;
3327     gint i;
3328
3329     if (!(action == prop_atoms.net_wm_state_add ||
3330           action == prop_atoms.net_wm_state_remove ||
3331           action == prop_atoms.net_wm_state_toggle))
3332         /* an invalid action was passed to the client message, ignore it */
3333         return;
3334
3335     for (i = 0; i < 2; ++i) {
3336         Atom state = i == 0 ? data1 : data2;
3337
3338         if (!state) continue;
3339
3340         /* if toggling, then pick whether we're adding or removing */
3341         if (action == prop_atoms.net_wm_state_toggle) {
3342             if (state == prop_atoms.net_wm_state_modal)
3343                 action = modal ? prop_atoms.net_wm_state_remove :
3344                     prop_atoms.net_wm_state_add;
3345             else if (state == prop_atoms.net_wm_state_maximized_vert)
3346                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3347                     prop_atoms.net_wm_state_add;
3348             else if (state == prop_atoms.net_wm_state_maximized_horz)
3349                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3350                     prop_atoms.net_wm_state_add;
3351             else if (state == prop_atoms.net_wm_state_shaded)
3352                 action = shaded ? prop_atoms.net_wm_state_remove :
3353                     prop_atoms.net_wm_state_add;
3354             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3355                 action = self->skip_taskbar ?
3356                     prop_atoms.net_wm_state_remove :
3357                     prop_atoms.net_wm_state_add;
3358             else if (state == prop_atoms.net_wm_state_skip_pager)
3359                 action = self->skip_pager ?
3360                     prop_atoms.net_wm_state_remove :
3361                     prop_atoms.net_wm_state_add;
3362             else if (state == prop_atoms.net_wm_state_hidden)
3363                 action = self->iconic ?
3364                     prop_atoms.net_wm_state_remove :
3365                     prop_atoms.net_wm_state_add;
3366             else if (state == prop_atoms.net_wm_state_fullscreen)
3367                 action = fullscreen ?
3368                     prop_atoms.net_wm_state_remove :
3369                     prop_atoms.net_wm_state_add;
3370             else if (state == prop_atoms.net_wm_state_above)
3371                 action = self->above ? prop_atoms.net_wm_state_remove :
3372                     prop_atoms.net_wm_state_add;
3373             else if (state == prop_atoms.net_wm_state_below)
3374                 action = self->below ? prop_atoms.net_wm_state_remove :
3375                     prop_atoms.net_wm_state_add;
3376             else if (state == prop_atoms.net_wm_state_demands_attention)
3377                 action = self->demands_attention ?
3378                     prop_atoms.net_wm_state_remove :
3379                     prop_atoms.net_wm_state_add;
3380             else if (state == prop_atoms.ob_wm_state_undecorated)
3381                 action = undecorated ? prop_atoms.net_wm_state_remove :
3382                     prop_atoms.net_wm_state_add;
3383         }
3384
3385         if (action == prop_atoms.net_wm_state_add) {
3386             if (state == prop_atoms.net_wm_state_modal) {
3387                 modal = TRUE;
3388             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3389                 max_vert = TRUE;
3390             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3391                 max_horz = TRUE;
3392             } else if (state == prop_atoms.net_wm_state_shaded) {
3393                 shaded = TRUE;
3394             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3395                 self->skip_taskbar = TRUE;
3396             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3397                 self->skip_pager = TRUE;
3398             } else if (state == prop_atoms.net_wm_state_hidden) {
3399                 iconic = TRUE;
3400             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3401                 fullscreen = TRUE;
3402             } else if (state == prop_atoms.net_wm_state_above) {
3403                 above = TRUE;
3404                 below = FALSE;
3405             } else if (state == prop_atoms.net_wm_state_below) {
3406                 above = FALSE;
3407                 below = TRUE;
3408             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3409                 demands_attention = TRUE;
3410             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3411                 undecorated = TRUE;
3412             }
3413
3414         } else { /* action == prop_atoms.net_wm_state_remove */
3415             if (state == prop_atoms.net_wm_state_modal) {
3416                 modal = FALSE;
3417             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3418                 max_vert = FALSE;
3419             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3420                 max_horz = FALSE;
3421             } else if (state == prop_atoms.net_wm_state_shaded) {
3422                 shaded = FALSE;
3423             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3424                 self->skip_taskbar = FALSE;
3425             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3426                 self->skip_pager = FALSE;
3427             } else if (state == prop_atoms.net_wm_state_hidden) {
3428                 iconic = FALSE;
3429             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3430                 fullscreen = FALSE;
3431             } else if (state == prop_atoms.net_wm_state_above) {
3432                 above = FALSE;
3433             } else if (state == prop_atoms.net_wm_state_below) {
3434                 below = FALSE;
3435             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3436                 demands_attention = FALSE;
3437             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3438                 undecorated = FALSE;
3439             }
3440         }
3441     }
3442
3443     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3444         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3445             /* toggling both */
3446             if (max_horz == max_vert) { /* both going the same way */
3447                 client_maximize(self, max_horz, 0);
3448             } else {
3449                 client_maximize(self, max_horz, 1);
3450                 client_maximize(self, max_vert, 2);
3451             }
3452         } else {
3453             /* toggling one */
3454             if (max_horz != self->max_horz)
3455                 client_maximize(self, max_horz, 1);
3456             else
3457                 client_maximize(self, max_vert, 2);
3458         }
3459     }
3460     /* change fullscreen state before shading, as it will affect if the window
3461        can shade or not */
3462     if (fullscreen != self->fullscreen)
3463         client_fullscreen(self, fullscreen);
3464     if (shaded != self->shaded)
3465         client_shade(self, shaded);
3466     if (undecorated != self->undecorated)
3467         client_set_undecorated(self, undecorated);
3468     if (above != self->above || below != self->below) {
3469         self->above = above;
3470         self->below = below;
3471         client_calc_layer(self);
3472     }
3473
3474     if (modal != self->modal) {
3475         self->modal = modal;
3476         /* when a window changes modality, then its stacking order with its
3477            transients needs to change */
3478         stacking_raise(CLIENT_AS_WINDOW(self));
3479
3480         /* it also may get focused. if something is focused that shouldn't
3481            be focused anymore, then move the focus */
3482         if (focus_client && client_focus_target(focus_client) != focus_client)
3483             client_focus(focus_client);
3484     }
3485
3486     if (iconic != self->iconic)
3487         client_iconify(self, iconic, FALSE, FALSE);
3488
3489     if (demands_attention != self->demands_attention)
3490         client_hilite(self, demands_attention);
3491
3492     client_change_state(self); /* change the hint to reflect these changes */
3493 }
3494
3495 ObClient *client_focus_target(ObClient *self)
3496 {
3497     ObClient *child = NULL;
3498
3499     child = client_search_modal_child(self);
3500     if (child) return child;
3501     return self;
3502 }
3503
3504 gboolean client_can_focus(ObClient *self)
3505 {
3506     /* choose the correct target */
3507     self = client_focus_target(self);
3508
3509     if (!self->frame->visible)
3510         return FALSE;
3511
3512     if (!(self->can_focus || self->focus_notify))
3513         return FALSE;
3514
3515     return TRUE;
3516 }
3517
3518 gboolean client_focus(ObClient *self)
3519 {
3520     /* we might not focus this window, so if we have modal children which would
3521        be focused instead, bring them to this desktop */
3522     client_bring_modal_windows(self);
3523
3524     /* choose the correct target */
3525     self = client_focus_target(self);
3526
3527     if (!client_can_focus(self)) {
3528         ob_debug_type(OB_DEBUG_FOCUS,
3529                       "Client %s can't be focused\n", self->title);
3530         return FALSE;
3531     }
3532
3533     ob_debug_type(OB_DEBUG_FOCUS,
3534                   "Focusing client \"%s\" (0x%x) at time %u\n",
3535                   self->title, self->window, event_curtime);
3536
3537     /* if using focus_delay, stop the timer now so that focus doesn't
3538        go moving on us */
3539     event_halt_focus_delay();
3540
3541     /* if there is a grab going on, then we need to cancel it. if we move
3542        focus during the grab, applications will get NotifyWhileGrabbed events
3543        and ignore them !
3544
3545        actions should not rely on being able to move focus during an
3546        interactive grab.
3547     */
3548     event_cancel_all_key_grabs();
3549
3550     xerror_set_ignore(TRUE);
3551     xerror_occured = FALSE;
3552
3553     if (self->can_focus) {
3554         /* This can cause a BadMatch error with CurrentTime, or if an app
3555            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3556         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3557                        event_curtime);
3558     }
3559
3560     if (self->focus_notify) {
3561         XEvent ce;
3562         ce.xclient.type = ClientMessage;
3563         ce.xclient.message_type = prop_atoms.wm_protocols;
3564         ce.xclient.display = ob_display;
3565         ce.xclient.window = self->window;
3566         ce.xclient.format = 32;
3567         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3568         ce.xclient.data.l[1] = event_curtime;
3569         ce.xclient.data.l[2] = 0l;
3570         ce.xclient.data.l[3] = 0l;
3571         ce.xclient.data.l[4] = 0l;
3572         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3573     }
3574
3575     xerror_set_ignore(FALSE);
3576
3577     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3578     return !xerror_occured;
3579 }
3580
3581 static void client_present(ObClient *self, gboolean here, gboolean raise,
3582                            gboolean unshade)
3583 {
3584     if (client_normal(self) && screen_showing_desktop)
3585         screen_show_desktop(FALSE, self);
3586     if (self->iconic)
3587         client_iconify(self, FALSE, here, FALSE);
3588     if (self->desktop != DESKTOP_ALL &&
3589         self->desktop != screen_desktop)
3590     {
3591         if (here)
3592             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3593         else
3594             screen_set_desktop(self->desktop, FALSE);
3595     } else if (!self->frame->visible)
3596         /* if its not visible for other reasons, then don't mess
3597            with it */
3598         return;
3599     if (self->shaded && unshade)
3600         client_shade(self, FALSE);
3601     if (raise)
3602         stacking_raise(CLIENT_AS_WINDOW(self));
3603
3604     client_focus(self);
3605 }
3606
3607 void client_activate(ObClient *self, gboolean here, gboolean raise,
3608                      gboolean unshade, gboolean user)
3609 {
3610     client_present(self, here, raise, unshade);
3611 }
3612
3613 static void client_bring_windows_recursive(ObClient *self,
3614                                            guint desktop,
3615                                            gboolean helpers,
3616                                            gboolean modals,
3617                                            gboolean iconic)
3618 {
3619     GSList *it;
3620
3621     for (it = self->transients; it; it = g_slist_next(it))
3622         client_bring_windows_recursive(it->data, desktop,
3623                                        helpers, modals, iconic);
3624
3625     if (((helpers && client_helper(self)) ||
3626          (modals && self->modal)) &&
3627         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3628          (iconic && self->iconic)))
3629     {
3630         if (iconic && self->iconic)
3631             client_iconify(self, FALSE, TRUE, FALSE);
3632         else
3633             client_set_desktop(self, desktop, FALSE, FALSE);
3634     }
3635 }
3636
3637 void client_bring_helper_windows(ObClient *self)
3638 {
3639     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3640 }
3641
3642 void client_bring_modal_windows(ObClient *self)
3643 {
3644     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3645 }
3646
3647 gboolean client_focused(ObClient *self)
3648 {
3649     return self == focus_client;
3650 }
3651
3652 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3653 {
3654     guint i;
3655     gulong min_diff, min_i;
3656
3657     if (!self->nicons) {
3658         ObClientIcon *parent = NULL;
3659         GSList *it;
3660
3661         for (it = self->parents; it; it = g_slist_next(it)) {
3662             ObClient *c = it->data;
3663             if ((parent = client_icon_recursive(c, w, h)))
3664                 break;
3665         }
3666
3667         return parent;
3668     }
3669
3670     /* some kind of crappy approximation to find the icon closest in size to
3671        what we requested, but icons are generally all the same ratio as
3672        eachother so it's good enough. */
3673
3674     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3675     min_i = 0;
3676
3677     for (i = 1; i < self->nicons; ++i) {
3678         gulong diff;
3679
3680         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3681         if (diff < min_diff) {
3682             min_diff = diff;
3683             min_i = i;
3684         }
3685     }
3686     return &self->icons[min_i];
3687 }
3688
3689 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3690 {
3691     ObClientIcon *ret;
3692     static ObClientIcon deficon;
3693
3694     if (!(ret = client_icon_recursive(self, w, h))) {
3695         deficon.width = deficon.height = 48;
3696         deficon.data = ob_rr_theme->def_win_icon;
3697         ret = &deficon;
3698     }
3699     return ret;
3700 }
3701
3702 void client_set_layer(ObClient *self, gint layer)
3703 {
3704     if (layer < 0) {
3705         self->below = TRUE;
3706         self->above = FALSE;
3707     } else if (layer == 0) {
3708         self->below = self->above = FALSE;
3709     } else {
3710         self->below = FALSE;
3711         self->above = TRUE;
3712     }
3713     client_calc_layer(self);
3714     client_change_state(self); /* reflect this in the state hints */
3715 }
3716
3717 void client_set_undecorated(ObClient *self, gboolean undecorated)
3718 {
3719     if (self->undecorated != undecorated &&
3720         /* don't let it undecorate if the function is missing, but let
3721            it redecorate */
3722         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3723     {
3724         self->undecorated = undecorated;
3725         client_setup_decor_and_functions(self, TRUE);
3726         client_change_state(self); /* reflect this in the state hints */
3727     }
3728 }
3729
3730 guint client_monitor(ObClient *self)
3731 {
3732     return screen_find_monitor(&self->frame->area);
3733 }
3734
3735 ObClient *client_direct_parent(ObClient *self)
3736 {
3737     if (!self->parents) return NULL;
3738     if (self->transient_for_group) return NULL;
3739     return self->parents->data;
3740 }
3741
3742 ObClient *client_search_top_direct_parent(ObClient *self)
3743 {
3744     ObClient *p;
3745     while ((p = client_direct_parent(self))) self = p;
3746     return self;
3747 }
3748
3749 static GSList *client_search_all_top_parents_internal(ObClient *self,
3750                                                       gboolean bylayer,
3751                                                       ObStackingLayer layer)
3752 {
3753     GSList *ret;
3754     ObClient *p;
3755
3756     /* move up the direct transient chain as far as possible */
3757     while ((p = client_direct_parent(self)) &&
3758            (!bylayer || p->layer == layer))
3759         self = p;
3760
3761     if (!self->parents)
3762         ret = g_slist_prepend(NULL, self);
3763     else
3764         ret = g_slist_copy(self->parents);
3765
3766     return ret;
3767 }
3768
3769 GSList *client_search_all_top_parents(ObClient *self)
3770 {
3771     return client_search_all_top_parents_internal(self, FALSE, 0);
3772 }
3773
3774 GSList *client_search_all_top_parents_layer(ObClient *self)
3775 {
3776     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3777 }
3778
3779 ObClient *client_search_focus_parent(ObClient *self)
3780 {
3781     GSList *it;
3782
3783     for (it = self->parents; it; it = g_slist_next(it))
3784         if (client_focused(it->data)) return it->data;
3785
3786     return NULL;
3787 }
3788
3789 ObClient *client_search_parent(ObClient *self, ObClient *search)
3790 {
3791     GSList *it;
3792
3793     for (it = self->parents; it; it = g_slist_next(it))
3794         if (it->data == search) return search;
3795
3796     return NULL;
3797 }
3798
3799 ObClient *client_search_transient(ObClient *self, ObClient *search)
3800 {
3801     GSList *sit;
3802
3803     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3804         if (sit->data == search)
3805             return search;
3806         if (client_search_transient(sit->data, search))
3807             return search;
3808     }
3809     return NULL;
3810 }
3811
3812 static void detect_edge(Rect area, ObDirection dir,
3813                         gint my_head, gint my_size,
3814                         gint my_edge_start, gint my_edge_size,
3815                         gint *dest, gboolean *near_edge)
3816 {
3817     gint edge_start, edge_size, head, tail;
3818     gboolean skip_head = FALSE, skip_tail = FALSE;
3819
3820     switch (dir) {
3821         case OB_DIRECTION_NORTH:
3822         case OB_DIRECTION_SOUTH:
3823             edge_start = area.x;
3824             edge_size = area.width;
3825             break;
3826         case OB_DIRECTION_EAST:
3827         case OB_DIRECTION_WEST:
3828             edge_start = area.y;
3829             edge_size = area.height;
3830             break;
3831         default:
3832             g_assert_not_reached();
3833     }
3834
3835     /* do we collide with this window? */
3836     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
3837                 edge_start, edge_size))
3838         return;
3839
3840     switch (dir) {
3841         case OB_DIRECTION_NORTH:
3842             head = RECT_BOTTOM(area);
3843             tail = RECT_TOP(area);
3844             break;
3845         case OB_DIRECTION_SOUTH:
3846             head = RECT_TOP(area);
3847             tail = RECT_BOTTOM(area);
3848             break;
3849         case OB_DIRECTION_WEST:
3850             head = RECT_RIGHT(area);
3851             tail = RECT_LEFT(area);
3852             break;
3853         case OB_DIRECTION_EAST:
3854             head = RECT_LEFT(area);
3855             tail = RECT_RIGHT(area);
3856             break;
3857         default:
3858             g_assert_not_reached();
3859     }
3860     switch (dir) {
3861         case OB_DIRECTION_NORTH:
3862         case OB_DIRECTION_WEST:
3863             /* check if our window is past the head of this window */
3864             if (my_head <= head + 1)
3865                 skip_head = TRUE;
3866             /* check if our window's tail is past the tail of this window */
3867             if (my_head + my_size - 1 <= tail)
3868                 skip_tail = TRUE;
3869             /* check if the head of this window is closer than the previously
3870                chosen edge (take into account that the previously chosen
3871                edge might have been a tail, not a head) */
3872             if (head + (*near_edge ? 0 : my_size) < *dest)
3873                 skip_head = TRUE;
3874             /* check if the tail of this window is closer than the previously
3875                chosen edge (take into account that the previously chosen
3876                edge might have been a head, not a tail) */
3877             if (tail - (!*near_edge ? 0 : my_size) < *dest)
3878                 skip_tail = TRUE;
3879             break;
3880         case OB_DIRECTION_SOUTH:
3881         case OB_DIRECTION_EAST:
3882             /* check if our window is past the head of this window */
3883             if (my_head >= head - 1)
3884                 skip_head = TRUE;
3885             /* check if our window's tail is past the tail of this window */
3886             if (my_head - my_size + 1 >= tail)
3887                 skip_tail = TRUE;
3888             /* check if the head of this window is closer than the previously
3889                chosen edge (take into account that the previously chosen
3890                edge might have been a tail, not a head) */
3891             if (head - (*near_edge ? 0 : my_size) > *dest)
3892                 skip_head = TRUE;
3893             /* check if the tail of this window is closer than the previously
3894                chosen edge (take into account that the previously chosen
3895                edge might have been a head, not a tail) */
3896             if (tail + (!*near_edge ? 0 : my_size) > *dest)
3897                 skip_tail = TRUE;
3898             break;
3899         default:
3900             g_assert_not_reached();
3901     }
3902
3903     ob_debug("my head %d size %d\n", my_head, my_size);
3904     ob_debug("head %d tail %d deest %d\n", head, tail, *dest);
3905     if (!skip_head) {
3906         ob_debug("using near edge %d\n", head);
3907         *dest = head;
3908         *near_edge = TRUE;
3909     }
3910     else if (!skip_tail) {
3911         ob_debug("using far edge %d\n", tail);
3912         *dest = tail;
3913         *near_edge = FALSE;
3914     }
3915 }
3916
3917 void client_find_edge_directional(ObClient *self, ObDirection dir,
3918                                   gint my_head, gint my_size,
3919                                   gint my_edge_start, gint my_edge_size,
3920                                   gint *dest, gboolean *near_edge)
3921 {
3922     GList *it;
3923     Rect *a, *mon;
3924     Rect dock_area;
3925     gint edge;
3926
3927     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
3928                     &self->frame->area);
3929     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
3930                       &self->frame->area);
3931
3932     switch (dir) {
3933     case OB_DIRECTION_NORTH:
3934         if (my_head >= RECT_TOP(*mon) + 1)
3935             edge = RECT_TOP(*mon) - 1;
3936         else
3937             edge = RECT_TOP(*a) - 1;
3938         break;
3939     case OB_DIRECTION_SOUTH:
3940         if (my_head <= RECT_BOTTOM(*mon) - 1)
3941             edge = RECT_BOTTOM(*mon) + 1;
3942         else
3943             edge = RECT_BOTTOM(*a) + 1;
3944         break;
3945     case OB_DIRECTION_EAST:
3946         if (my_head <= RECT_RIGHT(*mon) - 1)
3947             edge = RECT_RIGHT(*mon) + 1;
3948         else
3949             edge = RECT_RIGHT(*a) + 1;
3950         break;
3951     case OB_DIRECTION_WEST:
3952         if (my_head >= RECT_LEFT(*mon) + 1)
3953             edge = RECT_LEFT(*mon) - 1;
3954         else
3955             edge = RECT_LEFT(*a) - 1;
3956         break;
3957     default:
3958         g_assert_not_reached();
3959     }
3960     /* default to the far edge, then narrow it down */
3961     *dest = edge;
3962     *near_edge = TRUE;
3963
3964     for (it = client_list; it; it = g_list_next(it)) {
3965         ObClient *cur = it->data;
3966
3967         /* skip windows to not bump into */
3968         if (cur == self)
3969             continue;
3970         if (cur->iconic)
3971             continue;
3972         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
3973             cur->desktop != screen_desktop)
3974             continue;
3975
3976         ob_debug("trying window %s\n", cur->title);
3977
3978         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
3979                     my_edge_size, dest, near_edge);
3980     }
3981     dock_get_area(&dock_area);
3982     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
3983                 my_edge_size, dest, near_edge);
3984     g_free(a);
3985     g_free(mon);
3986 }
3987
3988 void client_find_move_directional(ObClient *self, ObDirection dir,
3989                                   gint *x, gint *y)
3990 {
3991     gint head, size;
3992     gint e, e_start, e_size;
3993     gboolean near;
3994
3995     switch (dir) {
3996     case OB_DIRECTION_EAST:
3997         head = RECT_RIGHT(self->frame->area);
3998         size = self->frame->area.width;
3999         e_start = RECT_TOP(self->frame->area);
4000         e_size = self->frame->area.height;
4001         break;
4002     case OB_DIRECTION_WEST:
4003         head = RECT_LEFT(self->frame->area);
4004         size = self->frame->area.width;
4005         e_start = RECT_TOP(self->frame->area);
4006         e_size = self->frame->area.height;
4007         break;
4008     case OB_DIRECTION_NORTH:
4009         head = RECT_TOP(self->frame->area);
4010         size = self->frame->area.height;
4011         e_start = RECT_LEFT(self->frame->area);
4012         e_size = self->frame->area.width;
4013         break;
4014     case OB_DIRECTION_SOUTH:
4015         head = RECT_BOTTOM(self->frame->area);
4016         size = self->frame->area.height;
4017         e_start = RECT_LEFT(self->frame->area);
4018         e_size = self->frame->area.width;
4019         break;
4020     default:
4021         g_assert_not_reached();
4022     }
4023
4024     client_find_edge_directional(self, dir, head, size,
4025                                  e_start, e_size, &e, &near);
4026     *x = self->frame->area.x;
4027     *y = self->frame->area.y;
4028     switch (dir) {
4029     case OB_DIRECTION_EAST:
4030         if (near) e -= self->frame->area.width;
4031         else      e++;
4032         *x = e;
4033         break;
4034     case OB_DIRECTION_WEST:
4035         if (near) e++;
4036         else      e -= self->frame->area.width;
4037         *x = e;
4038         break;
4039     case OB_DIRECTION_NORTH:
4040         if (near) e++;
4041         else      e -= self->frame->area.height;
4042         *y = e;
4043         break;
4044     case OB_DIRECTION_SOUTH:
4045         if (near) e -= self->frame->area.height;
4046         else      e++;
4047         *y = e;
4048         break;
4049     default:
4050         g_assert_not_reached();
4051     }
4052     frame_frame_gravity(self->frame, x, y);
4053 }
4054
4055 void client_find_resize_directional(ObClient *self, ObDirection side,
4056                                     gboolean grow,
4057                                     gint *x, gint *y, gint *w, gint *h)
4058 {
4059     gint head;
4060     gint e, e_start, e_size, delta;
4061     gboolean near;
4062     ObDirection dir;
4063
4064     switch (side) {
4065     case OB_DIRECTION_EAST:
4066         head = RECT_RIGHT(self->frame->area) +
4067             (self->size_inc.width - 1) * (grow ? 1 : -1);
4068         e_start = RECT_TOP(self->frame->area);
4069         e_size = self->frame->area.height;
4070         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4071         break;
4072     case OB_DIRECTION_WEST:
4073         head = RECT_LEFT(self->frame->area) -
4074             (self->size_inc.width - 1) * (grow ? 1 : -1);
4075         e_start = RECT_TOP(self->frame->area);
4076         e_size = self->frame->area.height;
4077         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4078         break;
4079     case OB_DIRECTION_NORTH:
4080         head = RECT_TOP(self->frame->area) -
4081             (self->size_inc.height - 1) * (grow ? 1 : -1);
4082         e_start = RECT_LEFT(self->frame->area);
4083         e_size = self->frame->area.width;
4084         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4085         break;
4086     case OB_DIRECTION_SOUTH:
4087         head = RECT_BOTTOM(self->frame->area) +
4088             (self->size_inc.height - 1) * (grow ? 1 : -1);
4089         e_start = RECT_LEFT(self->frame->area);
4090         e_size = self->frame->area.width;
4091         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4092         break;
4093     default:
4094         g_assert_not_reached();
4095     }
4096
4097     ob_debug("head %d dir %d\n", head, dir);
4098     client_find_edge_directional(self, dir, head, 1,
4099                                  e_start, e_size, &e, &near);
4100     ob_debug("edge %d\n", e);
4101     *x = self->frame->area.x;
4102     *y = self->frame->area.y;
4103     *w = self->frame->area.width;
4104     *h = self->frame->area.height;
4105     switch (side) {
4106     case OB_DIRECTION_EAST:
4107         if (grow == near) --e;
4108         delta = e - RECT_RIGHT(self->frame->area);
4109         *w += delta;
4110         break;
4111     case OB_DIRECTION_WEST:
4112         if (grow == near) ++e;
4113         delta = RECT_LEFT(self->frame->area) - e;
4114         *x -= delta;
4115         *w += delta;
4116         break;
4117     case OB_DIRECTION_NORTH:
4118         if (grow == near) ++e;
4119         delta = RECT_TOP(self->frame->area) - e;
4120         *y -= delta;
4121         *h += delta;
4122         break;
4123     case OB_DIRECTION_SOUTH:
4124         if (grow == near) --e;
4125         delta = e - RECT_BOTTOM(self->frame->area);
4126         *h += delta;
4127         break;
4128     default:
4129         g_assert_not_reached();
4130     }
4131     frame_frame_gravity(self->frame, x, y);
4132     *w -= self->frame->size.left + self->frame->size.right;
4133     *h -= self->frame->size.top + self->frame->size.bottom;
4134 }
4135
4136 ObClient* client_under_pointer(void)
4137 {
4138     gint x, y;
4139     GList *it;
4140     ObClient *ret = NULL;
4141
4142     if (screen_pointer_pos(&x, &y)) {
4143         for (it = stacking_list; it; it = g_list_next(it)) {
4144             if (WINDOW_IS_CLIENT(it->data)) {
4145                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4146                 if (c->frame->visible &&
4147                     /* check