dont reset all the states to FALSE in client_get_state, this made an initial IconicSt...
[dana/openbox.git] / openbox / client.c
1 #include "client.h"
2 #include "debug.h"
3 #include "startupnotify.h"
4 #include "dock.h"
5 #include "xerror.h"
6 #include "screen.h"
7 #include "moveresize.h"
8 #include "place.h"
9 #include "prop.h"
10 #include "extensions.h"
11 #include "frame.h"
12 #include "session.h"
13 #include "event.h"
14 #include "grab.h"
15 #include "focus.h"
16 #include "stacking.h"
17 #include "openbox.h"
18 #include "group.h"
19 #include "config.h"
20 #include "menuframe.h"
21 #include "keyboard.h"
22 #include "mouse.h"
23 #include "render/render.h"
24
25 #include <glib.h>
26 #include <X11/Xutil.h>
27
28 /*! The event mask to grab on client windows */
29 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
30                           StructureNotifyMask)
31
32 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
33                                 ButtonMotionMask)
34
35 GList      *client_list        = NULL;
36 GSList     *client_destructors = NULL;
37
38 static void client_get_all(ObClient *self);
39 static void client_toggle_border(ObClient *self, gboolean show);
40 static void client_get_startup_id(ObClient *self);
41 static void client_get_area(ObClient *self);
42 static void client_get_desktop(ObClient *self);
43 static void client_get_state(ObClient *self);
44 static void client_get_shaped(ObClient *self);
45 static void client_get_mwm_hints(ObClient *self);
46 static void client_get_gravity(ObClient *self);
47 static void client_showhide(ObClient *self);
48 static void client_change_allowed_actions(ObClient *self);
49 static void client_change_state(ObClient *self);
50 static void client_apply_startup_state(ObClient *self);
51 static void client_restore_session_state(ObClient *self);
52 static void client_restore_session_stacking(ObClient *self);
53 static void client_urgent_notify(ObClient *self);
54
55 void client_startup(gboolean reconfig)
56 {
57     if (reconfig) return;
58
59     client_set_list();
60 }
61
62 void client_shutdown(gboolean reconfig)
63 {
64 }
65
66 void client_add_destructor(GDestroyNotify func)
67 {
68     client_destructors = g_slist_prepend(client_destructors, (gpointer)func);
69 }
70
71 void client_remove_destructor(GDestroyNotify func)
72 {
73     client_destructors = g_slist_remove(client_destructors, (gpointer)func);
74 }
75
76 void client_set_list()
77 {
78     Window *windows, *win_it;
79     GList *it;
80     guint size = g_list_length(client_list);
81
82     /* create an array of the window ids */
83     if (size > 0) {
84         windows = g_new(Window, size);
85         win_it = windows;
86         for (it = client_list; it != NULL; it = it->next, ++win_it)
87             *win_it = ((ObClient*)it->data)->window;
88     } else
89         windows = NULL;
90
91     PROP_SETA32(RootWindow(ob_display, ob_screen),
92                 net_client_list, window, (guint32*)windows, size);
93
94     if (windows)
95         g_free(windows);
96
97     stacking_set_list();
98 }
99
100 /*
101 void client_foreach_transient(ObClient *self, ObClientForeachFunc func, void *data)
102 {
103     GSList *it;
104
105     for (it = self->transients; it; it = it->next) {
106         if (!func(it->data, data)) return;
107         client_foreach_transient(it->data, func, data);
108     }
109 }
110
111 void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, void *data)
112 {
113     if (self->transient_for) {
114         if (self->transient_for != OB_TRAN_GROUP) {
115             if (!func(self->transient_for, data)) return;
116             client_foreach_ancestor(self->transient_for, func, data);
117         } else {
118             GSList *it;
119
120             for (it = self->group->members; it; it = it->next)
121                 if (it->data != self &&
122                     !((ObClient*)it->data)->transient_for) {
123                     if (!func(it->data, data)) return;
124                     client_foreach_ancestor(it->data, func, data);
125                 }
126         }
127     }
128 }
129 */
130
131 void client_manage_all()
132 {
133     unsigned int i, j, nchild;
134     Window w, *children;
135     XWMHints *wmhints;
136     XWindowAttributes attrib;
137
138     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
139                &w, &w, &children, &nchild);
140
141     /* remove all icon windows from the list */
142     for (i = 0; i < nchild; i++) {
143         if (children[i] == None) continue;
144         wmhints = XGetWMHints(ob_display, children[i]);
145         if (wmhints) {
146             if ((wmhints->flags & IconWindowHint) &&
147                 (wmhints->icon_window != children[i]))
148                 for (j = 0; j < nchild; j++)
149                     if (children[j] == wmhints->icon_window) {
150                         children[j] = None;
151                         break;
152                     }
153             XFree(wmhints);
154         }
155     }
156
157     for (i = 0; i < nchild; ++i) {
158         if (children[i] == None)
159             continue;
160         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
161             if (attrib.override_redirect) continue;
162
163             if (attrib.map_state != IsUnmapped)
164                 client_manage(children[i]);
165         }
166     }
167     XFree(children);
168
169     if (config_focus_new)
170         focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
171 }
172
173 void client_manage(Window window)
174 {
175     ObClient *self;
176     XEvent e;
177     XWindowAttributes attrib;
178     XSetWindowAttributes attrib_set;
179     XWMHints *wmhint;
180     gboolean activate = FALSE;
181
182     grab_server(TRUE);
183
184     /* check if it has already been unmapped by the time we started mapping
185        the grab does a sync so we don't have to here */
186     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
187         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
188         XPutBackEvent(ob_display, &e);
189
190         grab_server(FALSE);
191         return; /* don't manage it */
192     }
193
194     /* make sure it isn't an override-redirect window */
195     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
196         attrib.override_redirect) {
197         grab_server(FALSE);
198         return; /* don't manage it */
199     }
200   
201     /* is the window a docking app */
202     if ((wmhint = XGetWMHints(ob_display, window))) {
203         if ((wmhint->flags & StateHint) &&
204             wmhint->initial_state == WithdrawnState) {
205             dock_add(window, wmhint);
206             grab_server(FALSE);
207             XFree(wmhint);
208             return;
209         }
210         XFree(wmhint);
211     }
212
213     ob_debug("Managing window: %lx\n", window);
214
215     /* choose the events we want to receive on the CLIENT window */
216     attrib_set.event_mask = CLIENT_EVENTMASK;
217     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
218     XChangeWindowAttributes(ob_display, window,
219                             CWEventMask|CWDontPropagate, &attrib_set);
220
221
222     /* create the ObClient struct, and populate it from the hints on the
223        window */
224     self = g_new0(ObClient, 1);
225     self->obwin.type = Window_Client;
226     self->window = window;
227
228     /* non-zero defaults */
229     self->title_count = 1;
230     self->wmstate = NormalState;
231     self->layer = -1;
232     self->decorate = TRUE;
233     self->desktop = screen_num_desktops; /* always an invalid value */
234
235     client_get_all(self);
236     client_restore_session_state(self);
237
238     sn_app_started(self->class);
239
240     client_change_state(self);
241
242     /* remove the client's border (and adjust re gravity) */
243     client_toggle_border(self, FALSE);
244      
245     /* specify that if we exit, the window should not be destroyed and should
246        be reparented back to root automatically */
247     XChangeSaveSet(ob_display, window, SetModeInsert);
248
249     /* create the decoration frame for the client window */
250     self->frame = frame_new();
251
252     frame_grab_client(self->frame, self);
253
254     grab_server(FALSE);
255
256     client_apply_startup_state(self);
257
258     /* update the focus lists */
259     focus_order_add_new(self);
260
261     stacking_add(CLIENT_AS_WINDOW(self));
262     client_restore_session_stacking(self);
263
264     /* focus the new window? */
265     if (ob_state() != OB_STATE_STARTING && config_focus_new &&
266         /* note the check against Type_Normal/Dialog, not client_normal(self),
267            which would also include other types. in this case we want more
268            strict rules for focus */
269         (self->type == OB_CLIENT_TYPE_NORMAL ||
270          self->type == OB_CLIENT_TYPE_DIALOG))
271     {        
272         activate = TRUE;
273 #if 0
274         if (self->desktop != screen_desktop) {
275             /* activate the window */
276             activate = TRUE;
277         } else {
278             gboolean group_foc = FALSE;
279
280             if (self->group) {
281                 GSList *it;
282
283                 for (it = self->group->members; it; it = it->next)
284                 {
285                     if (client_focused(it->data))
286                     {
287                         group_foc = TRUE;
288                         break;
289                     }
290                 }
291             }
292             if ((group_foc ||
293                  (!self->transient_for && (!self->group ||
294                                            !self->group->members->next))) ||
295                 client_search_focus_tree_full(self) ||
296                 !focus_client ||
297                 !client_normal(focus_client))
298             {
299                 /* activate the window */
300                 activate = TRUE;
301             }
302         }
303 #endif
304     }
305
306     if (ob_state() == OB_STATE_RUNNING) {
307         int x = self->area.x, ox = x;
308         int y = self->area.y, oy = y;
309
310         place_client(self, &x, &y);
311
312         /* make sure the window is visible */
313         client_find_onscreen(self, &x, &y,
314                              self->frame->area.width,
315                              self->frame->area.height,
316                              client_normal(self));
317
318         if (x != ox || y != oy)
319             client_move(self, x, y);
320     }
321
322     client_showhide(self);
323
324     /* use client_focus instead of client_activate cuz client_activate does
325        stuff like switch desktops etc and I'm not interested in all that when
326        a window maps since its not based on an action from the user like
327        clicking a window to activate is. so keep the new window out of the way
328        but do focus it. */
329     if (activate) client_focus(self);
330
331     /* client_activate does this but we aret using it so we have to do it
332        here as well */
333     if (screen_showing_desktop)
334         screen_show_desktop(FALSE);
335
336     /* add to client list/map */
337     client_list = g_list_append(client_list, self);
338     g_hash_table_insert(window_map, &self->window, self);
339
340     /* this has to happen after we're in the client_list */
341     screen_update_areas();
342
343     /* update the list hints */
344     client_set_list();
345
346     keyboard_grab_for_client(self, TRUE);
347     mouse_grab_for_client(self, TRUE);
348
349     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
350 }
351
352 void client_unmanage_all()
353 {
354     while (client_list != NULL)
355         client_unmanage(client_list->data);
356 }
357
358 void client_unmanage(ObClient *self)
359 {
360     guint j;
361     GSList *it;
362
363     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
364
365     g_assert(self != NULL);
366
367     keyboard_grab_for_client(self, FALSE);
368     mouse_grab_for_client(self, FALSE);
369
370     /* remove the window from our save set */
371     XChangeSaveSet(ob_display, self->window, SetModeDelete);
372
373     /* we dont want events no more */
374     XSelectInput(ob_display, self->window, NoEventMask);
375
376     frame_hide(self->frame);
377
378     client_list = g_list_remove(client_list, self);
379     stacking_remove(self);
380     g_hash_table_remove(window_map, &self->window);
381
382     /* update the focus lists */
383     focus_order_remove(self);
384
385     /* once the client is out of the list, update the struts to remove it's
386        influence */
387     screen_update_areas();
388
389     /* tell our parent(s) that we're gone */
390     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
391         GSList *it;
392
393         for (it = self->group->members; it; it = it->next)
394             if (it->data != self)
395                 ((ObClient*)it->data)->transients =
396                     g_slist_remove(((ObClient*)it->data)->transients, self);
397     } else if (self->transient_for) {        /* transient of window */
398         self->transient_for->transients =
399             g_slist_remove(self->transient_for->transients, self);
400     }
401
402     /* tell our transients that we're gone */
403     for (it = self->transients; it != NULL; it = it->next) {
404         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
405             ((ObClient*)it->data)->transient_for = NULL;
406             client_calc_layer(it->data);
407         }
408     }
409
410     for (it = client_destructors; it; it = g_slist_next(it)) {
411         GDestroyNotify func = (GDestroyNotify) it->data;
412         func(self);
413     }
414         
415     if (focus_client == self) {
416         XEvent e;
417
418         /* focus the last focused window on the desktop, and ignore enter
419            events from the unmap so it doesnt mess with the focus */
420         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
421         client_unfocus(self);
422     }
423
424     /* remove from its group */
425     if (self->group) {
426         group_remove(self->group, self);
427         self->group = NULL;
428     }
429
430     /* give the client its border back */
431     client_toggle_border(self, TRUE);
432
433     /* reparent the window out of the frame, and free the frame */
434     frame_release_client(self->frame, self);
435     self->frame = NULL;
436      
437     if (ob_state() != OB_STATE_EXITING) {
438         /* these values should not be persisted across a window
439            unmapping/mapping */
440         PROP_ERASE(self->window, net_wm_desktop);
441         PROP_ERASE(self->window, net_wm_state);
442         PROP_ERASE(self->window, wm_state);
443     } else {
444         /* if we're left in an iconic state, the client wont be mapped. this is
445            bad, since we will no longer be managing the window on restart */
446         if (self->iconic)
447             XMapWindow(ob_display, self->window);
448     }
449
450
451     ob_debug("Unmanaged window 0x%lx\n", self->window);
452
453     /* free all data allocated in the client struct */
454     g_slist_free(self->transients);
455     for (j = 0; j < self->nicons; ++j)
456         g_free(self->icons[j].data);
457     if (self->nicons > 0)
458         g_free(self->icons);
459     g_free(self->title);
460     g_free(self->icon_title);
461     g_free(self->name);
462     g_free(self->class);
463     g_free(self->role);
464     g_free(self);
465      
466     /* update the list hints */
467     client_set_list();
468 }
469
470 static void client_urgent_notify(ObClient *self)
471 {
472     if (self->urgent)
473         frame_flash_start(self->frame);
474     else
475         frame_flash_stop(self->frame);
476 }
477
478 static void client_restore_session_state(ObClient *self)
479 {
480     GList *it;
481
482     if (!(it = session_state_find(self)))
483         return;
484
485     self->session = it->data;
486
487     RECT_SET(self->area, self->session->x, self->session->y,
488              self->session->w, self->session->h);
489     self->positioned = TRUE;
490     XResizeWindow(ob_display, self->window,
491                   self->session->w, self->session->h);
492
493     self->desktop = (self->session->desktop == DESKTOP_ALL ?
494                      self->session->desktop :
495                      MIN(screen_num_desktops - 1, self->session->desktop));
496     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
497
498     self->shaded = self->session->shaded;
499     self->iconic = self->session->iconic;
500     self->skip_pager = self->session->skip_pager;
501     self->skip_taskbar = self->session->skip_taskbar;
502     self->fullscreen = self->session->fullscreen;
503     self->above = self->session->above;
504     self->below = self->session->below;
505     self->max_horz = self->session->max_horz;
506     self->max_vert = self->session->max_vert;
507 }
508
509 static void client_restore_session_stacking(ObClient *self)
510 {
511     GList *it;
512
513     if (!self->session) return;
514
515     it = g_list_find(session_saved_state, self->session);
516     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
517         GList *cit;
518
519         for (cit = client_list; cit; cit = g_list_next(cit))
520             if (session_state_cmp(it->data, cit->data))
521                 break;
522         if (cit) {
523             client_calc_layer(self);
524             stacking_below(CLIENT_AS_WINDOW(self),
525                            CLIENT_AS_WINDOW(cit->data));
526             break;
527         }
528     }
529 }
530
531 void client_move_onscreen(ObClient *self, gboolean rude)
532 {
533     int x = self->area.x;
534     int y = self->area.y;
535     if (client_find_onscreen(self, &x, &y,
536                              self->frame->area.width,
537                              self->frame->area.height, rude)) {
538         client_move(self, x, y);
539     }
540 }
541
542 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
543                               gboolean rude)
544 {
545     Rect *a;
546     int ox = *x, oy = *y;
547
548     frame_client_gravity(self->frame, x, y); /* get where the frame
549                                                 would be */
550
551     /* XXX watch for xinerama dead areas */
552
553     a = screen_area(self->desktop);
554     if (!self->strut.right && *x >= a->x + a->width - 1)
555         *x = a->x + a->width - self->frame->area.width;
556     if (!self->strut.bottom && *y >= a->y + a->height - 1)
557         *y = a->y + a->height - self->frame->area.height;
558     if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
559         *x = a->x;
560     if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
561         *y = a->y;
562
563     if (rude) {
564         /* this is my MOZILLA BITCHSLAP. oh ya it fucking feels good.
565            Java can suck it too. */
566
567         /* dont let windows map/move into the strut unless they
568            are bigger than the available area */
569         if (w <= a->width) {
570             if (!self->strut.left && *x < a->x) *x = a->x;
571             if (!self->strut.right && *x + w > a->x + a->width)
572                 *x = a->x + a->width - w;
573         }
574         if (h <= a->height) {
575             if (!self->strut.top && *y < a->y) *y = a->y;
576             if (!self->strut.bottom && *y + h > a->y + a->height)
577                 *y = a->y + a->height - h;
578         }
579     }
580
581     frame_frame_gravity(self->frame, x, y); /* get where the client
582                                                should be */
583
584     return ox != *x || oy != *y;
585 }
586
587 static void client_toggle_border(ObClient *self, gboolean show)
588 {
589     /* adjust our idea of where the client is, based on its border. When the
590        border is removed, the client should now be considered to be in a
591        different position.
592        when re-adding the border to the client, the same operation needs to be
593        reversed. */
594     int oldx = self->area.x, oldy = self->area.y;
595     int x = oldx, y = oldy;
596     switch(self->gravity) {
597     default:
598     case NorthWestGravity:
599     case WestGravity:
600     case SouthWestGravity:
601         break;
602     case NorthEastGravity:
603     case EastGravity:
604     case SouthEastGravity:
605         if (show) x -= self->border_width * 2;
606         else      x += self->border_width * 2;
607         break;
608     case NorthGravity:
609     case SouthGravity:
610     case CenterGravity:
611     case ForgetGravity:
612     case StaticGravity:
613         if (show) x -= self->border_width;
614         else      x += self->border_width;
615         break;
616     }
617     switch(self->gravity) {
618     default:
619     case NorthWestGravity:
620     case NorthGravity:
621     case NorthEastGravity:
622         break;
623     case SouthWestGravity:
624     case SouthGravity:
625     case SouthEastGravity:
626         if (show) y -= self->border_width * 2;
627         else      y += self->border_width * 2;
628         break;
629     case WestGravity:
630     case EastGravity:
631     case CenterGravity:
632     case ForgetGravity:
633     case StaticGravity:
634         if (show) y -= self->border_width;
635         else      y += self->border_width;
636         break;
637     }
638     self->area.x = x;
639     self->area.y = y;
640
641     if (show) {
642         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
643
644         /* move the client so it is back it the right spot _with_ its
645            border! */
646         if (x != oldx || y != oldy)
647             XMoveWindow(ob_display, self->window, x, y);
648     } else
649         XSetWindowBorderWidth(ob_display, self->window, 0);
650 }
651
652
653 static void client_get_all(ObClient *self)
654 {
655     client_get_area(self);
656     client_update_transient_for(self);
657     client_update_wmhints(self);
658     client_get_startup_id(self);
659     client_get_desktop(self);
660     client_get_state(self);
661     client_get_shaped(self);
662
663     g_message("self->iconic %d", self->iconic);
664
665     client_get_mwm_hints(self);
666     client_get_type(self);/* this can change the mwmhints for special cases */
667
668     client_update_protocols(self);
669
670     client_get_gravity(self); /* get the attribute gravity */
671     client_update_normal_hints(self); /* this may override the attribute
672                                          gravity */
673
674     /* got the type, the mwmhints, the protocols, and the normal hints
675        (min/max sizes), so we're ready to set up the decorations/functions */
676     client_setup_decor_and_functions(self);
677   
678     client_update_title(self);
679     client_update_class(self);
680     client_update_strut(self);
681     client_update_icons(self);
682 }
683
684 static void client_get_startup_id(ObClient *self)
685 {
686     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
687         if (self->group)
688             PROP_GETS(self->group->leader,
689                       net_startup_id, utf8, &self->startup_id);
690 }
691
692 static void client_get_area(ObClient *self)
693 {
694     XWindowAttributes wattrib;
695     Status ret;
696   
697     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
698     g_assert(ret != BadWindow);
699
700     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
701     self->border_width = wattrib.border_width;
702 }
703
704 static void client_get_desktop(ObClient *self)
705 {
706     guint32 d = screen_num_desktops; /* an always-invalid value */
707
708     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
709         if (d >= screen_num_desktops && d != DESKTOP_ALL)
710             self->desktop = screen_num_desktops - 1;
711         else
712             self->desktop = d;
713     } else {
714         gboolean trdesk = FALSE;
715
716        if (self->transient_for) {
717            if (self->transient_for != OB_TRAN_GROUP) {
718                 self->desktop = self->transient_for->desktop;
719                 trdesk = TRUE;
720             } else {
721                 GSList *it;
722
723                 for (it = self->group->members; it; it = it->next)
724                     if (it->data != self &&
725                         !((ObClient*)it->data)->transient_for) {
726                         self->desktop = ((ObClient*)it->data)->desktop;
727                         trdesk = TRUE;
728                         break;
729                     }
730             }
731        }
732        if (!trdesk) {
733            /* try get from the startup-notification protocol */
734            if (sn_get_desktop(self->startup_id, &self->desktop)) {
735                if (self->desktop >= screen_num_desktops &&
736                    self->desktop != DESKTOP_ALL)
737                    self->desktop = screen_num_desktops - 1;
738            } else
739                /* defaults to the current desktop */
740                self->desktop = screen_desktop;
741        }
742     }
743     if (self->desktop != d) {
744         /* set the desktop hint, to make sure that it always exists */
745         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
746     }
747 }
748
749 static void client_get_state(ObClient *self)
750 {
751     guint32 *state;
752     guint num;
753   
754     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
755         gulong i;
756         for (i = 0; i < num; ++i) {
757             if (state[i] == prop_atoms.net_wm_state_modal)
758                 self->modal = TRUE;
759             else if (state[i] == prop_atoms.net_wm_state_shaded)
760                 self->shaded = TRUE;
761             else if (state[i] == prop_atoms.net_wm_state_hidden)
762                 self->iconic = TRUE;
763             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
764                 self->skip_taskbar = TRUE;
765             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
766                 self->skip_pager = TRUE;
767             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
768                 self->fullscreen = TRUE;
769             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
770                 self->max_vert = TRUE;
771             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
772                 self->max_horz = TRUE;
773             else if (state[i] == prop_atoms.net_wm_state_above)
774                 self->above = TRUE;
775             else if (state[i] == prop_atoms.net_wm_state_below)
776                 self->below = TRUE;
777         }
778
779         g_free(state);
780     }
781 }
782
783 static void client_get_shaped(ObClient *self)
784 {
785     self->shaped = FALSE;
786 #ifdef   SHAPE
787     if (extensions_shape) {
788         int foo;
789         guint ufoo;
790         int s;
791
792         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
793
794         XShapeQueryExtents(ob_display, self->window, &s, &foo,
795                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
796                            &ufoo);
797         self->shaped = (s != 0);
798     }
799 #endif
800 }
801
802 void client_update_transient_for(ObClient *self)
803 {
804     Window t = None;
805     ObClient *target = NULL;
806
807     if (XGetTransientForHint(ob_display, self->window, &t)) {
808         self->transient = TRUE;
809         if (t != self->window) { /* cant be transient to itself! */
810             target = g_hash_table_lookup(window_map, &t);
811             /* if this happens then we need to check for it*/
812             g_assert(target != self);
813             if (target && !WINDOW_IS_CLIENT(target)) {
814                 /* this can happen when a dialog is a child of
815                    a dockapp, for example */
816                 target = NULL;
817             }
818             
819             if (!target && self->group) {
820                 /* not transient to a client, see if it is transient for a
821                    group */
822                 if (t == self->group->leader ||
823                     t == None ||
824                     t == RootWindow(ob_display, ob_screen)) {
825                     /* window is a transient for its group! */
826                     target = OB_TRAN_GROUP;
827                 }
828             }
829         }
830     } else
831         self->transient = FALSE;
832
833     /* if anything has changed... */
834     if (target != self->transient_for) {
835         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
836             GSList *it;
837
838             /* remove from old parents */
839             for (it = self->group->members; it; it = g_slist_next(it)) {
840                 ObClient *c = it->data;
841                 if (c != self && !c->transient_for)
842                     c->transients = g_slist_remove(c->transients, self);
843             }
844         } else if (self->transient_for != NULL) { /* transient of window */
845             /* remove from old parent */
846             self->transient_for->transients =
847                 g_slist_remove(self->transient_for->transients, self);
848         }
849         self->transient_for = target;
850         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
851             GSList *it;
852
853             /* add to new parents */
854             for (it = self->group->members; it; it = g_slist_next(it)) {
855                 ObClient *c = it->data;
856                 if (c != self && !c->transient_for)
857                     c->transients = g_slist_append(c->transients, self);
858             }
859
860             /* remove all transients which are in the group, that causes
861                circlular pointer hell of doom */
862             for (it = self->group->members; it; it = g_slist_next(it)) {
863                 GSList *sit, *next;
864                 for (sit = self->transients; sit; sit = next) {
865                     next = g_slist_next(sit);
866                     if (sit->data == it->data)
867                         self->transients =
868                             g_slist_delete_link(self->transients, sit);
869                 }
870             }
871         } else if (self->transient_for != NULL) { /* transient of window */
872             /* add to new parent */
873             self->transient_for->transients =
874                 g_slist_append(self->transient_for->transients, self);
875         }
876     }
877 }
878
879 static void client_get_mwm_hints(ObClient *self)
880 {
881     guint num;
882     guint32 *hints;
883
884     self->mwmhints.flags = 0; /* default to none */
885
886     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
887                     &hints, &num)) {
888         if (num >= OB_MWM_ELEMENTS) {
889             self->mwmhints.flags = hints[0];
890             self->mwmhints.functions = hints[1];
891             self->mwmhints.decorations = hints[2];
892         }
893         g_free(hints);
894     }
895 }
896
897 void client_get_type(ObClient *self)
898 {
899     guint num, i;
900     guint32 *val;
901
902     self->type = -1;
903   
904     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
905         /* use the first value that we know about in the array */
906         for (i = 0; i < num; ++i) {
907             if (val[i] == prop_atoms.net_wm_window_type_desktop)
908                 self->type = OB_CLIENT_TYPE_DESKTOP;
909             else if (val[i] == prop_atoms.net_wm_window_type_dock)
910                 self->type = OB_CLIENT_TYPE_DOCK;
911             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
912                 self->type = OB_CLIENT_TYPE_TOOLBAR;
913             else if (val[i] == prop_atoms.net_wm_window_type_menu)
914                 self->type = OB_CLIENT_TYPE_MENU;
915             else if (val[i] == prop_atoms.net_wm_window_type_utility)
916                 self->type = OB_CLIENT_TYPE_UTILITY;
917             else if (val[i] == prop_atoms.net_wm_window_type_splash)
918                 self->type = OB_CLIENT_TYPE_SPLASH;
919             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
920                 self->type = OB_CLIENT_TYPE_DIALOG;
921             else if (val[i] == prop_atoms.net_wm_window_type_normal)
922                 self->type = OB_CLIENT_TYPE_NORMAL;
923             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
924                 /* prevent this window from getting any decor or
925                    functionality */
926                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
927                                          OB_MWM_FLAG_DECORATIONS);
928                 self->mwmhints.decorations = 0;
929                 self->mwmhints.functions = 0;
930             }
931             if (self->type != (ObClientType) -1)
932                 break; /* grab the first legit type */
933         }
934         g_free(val);
935     }
936     
937     if (self->type == (ObClientType) -1) {
938         /*the window type hint was not set, which means we either classify
939           ourself as a normal window or a dialog, depending on if we are a
940           transient. */
941         if (self->transient)
942             self->type = OB_CLIENT_TYPE_DIALOG;
943         else
944             self->type = OB_CLIENT_TYPE_NORMAL;
945     }
946 }
947
948 void client_update_protocols(ObClient *self)
949 {
950     guint32 *proto;
951     guint num_return, i;
952
953     self->focus_notify = FALSE;
954     self->delete_window = FALSE;
955
956     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
957         for (i = 0; i < num_return; ++i) {
958             if (proto[i] == prop_atoms.wm_delete_window) {
959                 /* this means we can request the window to close */
960                 self->delete_window = TRUE;
961             } else if (proto[i] == prop_atoms.wm_take_focus)
962                 /* if this protocol is requested, then the window will be
963                    notified whenever we want it to receive focus */
964                 self->focus_notify = TRUE;
965         }
966         g_free(proto);
967     }
968 }
969
970 static void client_get_gravity(ObClient *self)
971 {
972     XWindowAttributes wattrib;
973     Status ret;
974
975     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
976     g_assert(ret != BadWindow);
977     self->gravity = wattrib.win_gravity;
978 }
979
980 void client_update_normal_hints(ObClient *self)
981 {
982     XSizeHints size;
983     long ret;
984     int oldgravity = self->gravity;
985
986     /* defaults */
987     self->min_ratio = 0.0f;
988     self->max_ratio = 0.0f;
989     SIZE_SET(self->size_inc, 1, 1);
990     SIZE_SET(self->base_size, 0, 0);
991     SIZE_SET(self->min_size, 0, 0);
992     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
993
994     /* get the hints from the window */
995     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
996         self->positioned = !!(size.flags & (PPosition|USPosition));
997
998         if (size.flags & PWinGravity) {
999             self->gravity = size.win_gravity;
1000       
1001             /* if the client has a frame, i.e. has already been mapped and
1002                is changing its gravity */
1003             if (self->frame && self->gravity != oldgravity) {
1004                 /* move our idea of the client's position based on its new
1005                    gravity */
1006                 self->area.x = self->frame->area.x;
1007                 self->area.y = self->frame->area.y;
1008                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1009             }
1010         }
1011
1012         if (size.flags & PAspect) {
1013             if (size.min_aspect.y)
1014                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
1015             if (size.max_aspect.y)
1016                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
1017         }
1018
1019         if (size.flags & PMinSize)
1020             SIZE_SET(self->min_size, size.min_width, size.min_height);
1021     
1022         if (size.flags & PMaxSize)
1023             SIZE_SET(self->max_size, size.max_width, size.max_height);
1024     
1025         if (size.flags & PBaseSize)
1026             SIZE_SET(self->base_size, size.base_width, size.base_height);
1027     
1028         if (size.flags & PResizeInc)
1029             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1030     }
1031 }
1032
1033 void client_setup_decor_and_functions(ObClient *self)
1034 {
1035     /* start with everything (cept fullscreen) */
1036     self->decorations =
1037         (OB_FRAME_DECOR_TITLEBAR |
1038          (ob_rr_theme->show_handle ? OB_FRAME_DECOR_HANDLE : 0) |
1039          OB_FRAME_DECOR_GRIPS |
1040          OB_FRAME_DECOR_BORDER |
1041          OB_FRAME_DECOR_ICON |
1042          OB_FRAME_DECOR_ALLDESKTOPS |
1043          OB_FRAME_DECOR_ICONIFY |
1044          OB_FRAME_DECOR_MAXIMIZE |
1045          OB_FRAME_DECOR_SHADE);
1046     self->functions =
1047         (OB_CLIENT_FUNC_RESIZE |
1048          OB_CLIENT_FUNC_MOVE |
1049          OB_CLIENT_FUNC_ICONIFY |
1050          OB_CLIENT_FUNC_MAXIMIZE |
1051          OB_CLIENT_FUNC_SHADE);
1052     if (self->delete_window) {
1053         self->functions |= OB_CLIENT_FUNC_CLOSE;
1054         self->decorations |= OB_FRAME_DECOR_CLOSE;
1055     }
1056
1057     if (!(self->min_size.width < self->max_size.width ||
1058           self->min_size.height < self->max_size.height))
1059         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1060
1061     switch (self->type) {
1062     case OB_CLIENT_TYPE_NORMAL:
1063         /* normal windows retain all of the possible decorations and
1064            functionality, and are the only windows that you can fullscreen */
1065         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1066         break;
1067
1068     case OB_CLIENT_TYPE_DIALOG:
1069     case OB_CLIENT_TYPE_UTILITY:
1070         /* these windows cannot be maximized */
1071         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1072         break;
1073
1074     case OB_CLIENT_TYPE_MENU:
1075     case OB_CLIENT_TYPE_TOOLBAR:
1076         /* these windows get less functionality */
1077         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1078         break;
1079
1080     case OB_CLIENT_TYPE_DESKTOP:
1081     case OB_CLIENT_TYPE_DOCK:
1082     case OB_CLIENT_TYPE_SPLASH:
1083         /* none of these windows are manipulated by the window manager */
1084         self->decorations = 0;
1085         self->functions = 0;
1086         break;
1087     }
1088
1089     /* Mwm Hints are applied subtractively to what has already been chosen for
1090        decor and functionality */
1091     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1092         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1093             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1094                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1095                 /* if the mwm hints request no handle or title, then all
1096                    decorations are disabled */
1097                 self->decorations = 0;
1098         }
1099     }
1100
1101     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1102         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1103             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1104                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1105             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1106                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1107             /* dont let mwm hints kill any buttons
1108             if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1109                 self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1110             if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1111                 self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1112             */
1113             /* dont let mwm hints kill the close button
1114                if (! (self->mwmhints.functions & MwmFunc_Close))
1115                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1116         }
1117     }
1118
1119     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1120         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1121     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1122         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1123     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1124         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1125
1126     /* can't maximize without moving/resizing */
1127     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1128           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1129           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1130         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1131         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1132     }
1133
1134     /* kill the handle on fully maxed windows */
1135     if (self->max_vert && self->max_horz)
1136         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1137
1138     /* finally, the user can have requested no decorations, which overrides
1139        everything */
1140     if (!self->decorate)
1141         self->decorations = OB_FRAME_DECOR_BORDER;
1142
1143     /* if we don't have a titlebar, then we cannot shade! */
1144     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1145         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1146
1147     /* now we need to check against rules for the client's current state */
1148     if (self->fullscreen) {
1149         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1150                             OB_CLIENT_FUNC_FULLSCREEN |
1151                             OB_CLIENT_FUNC_ICONIFY);
1152         self->decorations = 0;
1153     }
1154
1155     client_change_allowed_actions(self);
1156
1157     if (self->frame) {
1158         /* adjust the client's decorations, etc. */
1159         client_reconfigure(self);
1160     } else {
1161         /* this makes sure that these windows appear on all desktops */
1162         if (self->type == OB_CLIENT_TYPE_DESKTOP &&
1163             self->desktop != DESKTOP_ALL)
1164         {
1165             self->desktop = DESKTOP_ALL;
1166         }
1167     }
1168 }
1169
1170 static void client_change_allowed_actions(ObClient *self)
1171 {
1172     guint32 actions[9];
1173     int num = 0;
1174
1175     /* desktop windows are kept on all desktops */
1176     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1177         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1178
1179     if (self->functions & OB_CLIENT_FUNC_SHADE)
1180         actions[num++] = prop_atoms.net_wm_action_shade;
1181     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1182         actions[num++] = prop_atoms.net_wm_action_close;
1183     if (self->functions & OB_CLIENT_FUNC_MOVE)
1184         actions[num++] = prop_atoms.net_wm_action_move;
1185     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1186         actions[num++] = prop_atoms.net_wm_action_minimize;
1187     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1188         actions[num++] = prop_atoms.net_wm_action_resize;
1189     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1190         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1191     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1192         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1193         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1194     }
1195
1196     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1197
1198     /* make sure the window isn't breaking any rules now */
1199
1200     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1201         if (self->frame) client_shade(self, FALSE);
1202         else self->shaded = FALSE;
1203     }
1204     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1205         if (self->frame) client_iconify(self, FALSE, TRUE);
1206         else self->iconic = FALSE;
1207     }
1208     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1209         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1210         else self->fullscreen = FALSE;
1211     }
1212     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1213                                                          self->max_vert)) {
1214         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1215         else self->max_vert = self->max_horz = FALSE;
1216     }
1217 }
1218
1219 void client_reconfigure(ObClient *self)
1220 {
1221     /* by making this pass FALSE for user, we avoid the emacs event storm where
1222        every configurenotify causes an update in its normal hints, i think this
1223        is generally what we want anyways... */
1224     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1225                      self->area.width, self->area.height, FALSE, TRUE);
1226 }
1227
1228 void client_update_wmhints(ObClient *self)
1229 {
1230     XWMHints *hints;
1231     gboolean ur = FALSE;
1232     GSList *it;
1233
1234     /* assume a window takes input if it doesnt specify */
1235     self->can_focus = TRUE;
1236   
1237     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1238         if (hints->flags & InputHint)
1239             self->can_focus = hints->input;
1240
1241         /* only do this when first managing the window *AND* when we aren't
1242            starting up! */
1243         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1244             if (hints->flags & StateHint)
1245                 self->iconic = hints->initial_state == IconicState;
1246
1247         if (hints->flags & XUrgencyHint)
1248             ur = TRUE;
1249
1250         if (!(hints->flags & WindowGroupHint))
1251             hints->window_group = None;
1252
1253         /* did the group state change? */
1254         if (hints->window_group !=
1255             (self->group ? self->group->leader : None)) {
1256             /* remove from the old group if there was one */
1257             if (self->group != NULL) {
1258                 /* remove transients of the group */
1259                 for (it = self->group->members; it; it = it->next)
1260                     self->transients = g_slist_remove(self->transients,
1261                                                       it->data);
1262                 group_remove(self->group, self);
1263                 self->group = NULL;
1264             }
1265             if (hints->window_group != None) {
1266                 self->group = group_add(hints->window_group, self);
1267
1268                 /* i can only have transients from the group if i am not
1269                    transient myself */
1270                 if (!self->transient_for) {
1271                     /* add other transients of the group that are already
1272                        set up */
1273                     for (it = self->group->members; it; it = it->next) {
1274                         ObClient *c = it->data;
1275                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1276                             self->transients =
1277                                 g_slist_append(self->transients, c);
1278                     }
1279                 }
1280             }
1281
1282             /* because the self->transient flag wont change from this call,
1283                we don't need to update the window's type and such, only its
1284                transient_for, and the transients lists of other windows in
1285                the group may be affected */
1286             client_update_transient_for(self);
1287         }
1288
1289         /* the WM_HINTS can contain an icon */
1290         client_update_icons(self);
1291
1292         XFree(hints);
1293     }
1294
1295     if (ur != self->urgent) {
1296         self->urgent = ur;
1297         ob_debug("Urgent Hint for 0x%lx: %s\n", self->window,
1298                  ur ? "ON" : "OFF");
1299         /* fire the urgent callback if we're mapped, otherwise, wait until
1300            after we're mapped */
1301         if (self->frame)
1302             client_urgent_notify(self);
1303     }
1304 }
1305
1306 void client_update_title(ObClient *self)
1307 {
1308     GList *it;
1309     guint32 nums;
1310     guint i;
1311     char *data = NULL;
1312     gboolean read_title;
1313
1314     g_free(self->title);
1315      
1316     /* try netwm */
1317     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1318         /* try old x stuff */
1319         if (!PROP_GETS(self->window, wm_name, locale, &data))
1320             data = g_strdup("Unnamed Window");
1321
1322     /* look for duplicates and append a number */
1323     nums = 0;
1324     for (it = client_list; it; it = it->next)
1325         if (it->data != self) {
1326             ObClient *c = it->data;
1327             if (0 == strncmp(c->title, data, strlen(data)))
1328                 nums |= 1 << c->title_count;
1329         }
1330     /* find first free number */
1331     for (i = 1; i <= 32; ++i)
1332         if (!(nums & (1 << i))) {
1333             if (self->title_count == 1 || i == 1)
1334                 self->title_count = i;
1335             break;
1336         }
1337     /* dont display the number for the first window */
1338     if (self->title_count > 1) {
1339         char *vdata, *ndata;
1340         ndata = g_strdup_printf(" - [%u]", self->title_count);
1341         vdata = g_strconcat(data, ndata, NULL);
1342         g_free(ndata);
1343         g_free(data);
1344         data = vdata;
1345     }
1346
1347     PROP_SETS(self->window, net_wm_visible_name, data);
1348
1349     self->title = data;
1350
1351     if (self->frame)
1352         frame_adjust_title(self->frame);
1353
1354     /* update the icon title */
1355     data = NULL;
1356     g_free(self->icon_title);
1357
1358     read_title = TRUE;
1359     /* try netwm */
1360     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1361         /* try old x stuff */
1362         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1363             data = g_strdup(self->title);
1364             read_title = FALSE;
1365         }
1366
1367     /* append the title count, dont display the number for the first window */
1368     if (read_title && self->title_count > 1) {
1369         char *vdata, *ndata;
1370         ndata = g_strdup_printf(" - [%u]", self->title_count);
1371         vdata = g_strconcat(data, ndata, NULL);
1372         g_free(ndata);
1373         g_free(data);
1374         data = vdata;
1375     }
1376
1377     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1378
1379     self->icon_title = data;
1380 }
1381
1382 void client_update_class(ObClient *self)
1383 {
1384     char **data;
1385     char *s;
1386
1387     if (self->name) g_free(self->name);
1388     if (self->class) g_free(self->class);
1389     if (self->role) g_free(self->role);
1390
1391     self->name = self->class = self->role = NULL;
1392
1393     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1394         if (data[0]) {
1395             self->name = g_strdup(data[0]);
1396             if (data[1])
1397                 self->class = g_strdup(data[1]);
1398         }
1399         g_strfreev(data);     
1400     }
1401
1402     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1403         self->role = g_strdup(s);
1404
1405     if (self->name == NULL) self->name = g_strdup("");
1406     if (self->class == NULL) self->class = g_strdup("");
1407     if (self->role == NULL) self->role = g_strdup("");
1408 }
1409
1410 void client_update_strut(ObClient *self)
1411 {
1412     guint num;
1413     guint32 *data;
1414     gboolean got = FALSE;
1415     StrutPartial strut;
1416
1417     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1418                     &data, &num)) {
1419         if (num == 12) {
1420             got = TRUE;
1421             STRUT_PARTIAL_SET(strut,
1422                               data[0], data[2], data[1], data[3],
1423                               data[4], data[5], data[8], data[9],
1424                               data[6], data[7], data[10], data[11]);
1425         }
1426         g_free(data);
1427     }
1428
1429     if (!got &&
1430         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1431         if (num == 4) {
1432             got = TRUE;
1433             STRUT_PARTIAL_SET(strut,
1434                               data[0], data[2], data[1], data[3],
1435                               0, 0, 0, 0, 0, 0, 0, 0);
1436         }
1437         g_free(data);
1438     }
1439
1440     if (!got)
1441         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1442                           0, 0, 0, 0, 0, 0, 0, 0);
1443
1444     if (!STRUT_EQUAL(strut, self->strut)) {
1445         self->strut = strut;
1446
1447         /* updating here is pointless while we're being mapped cuz we're not in
1448            the client list yet */
1449         if (self->frame)
1450             screen_update_areas();
1451     }
1452 }
1453
1454 void client_update_icons(ObClient *self)
1455 {
1456     guint num;
1457     guint32 *data;
1458     guint w, h, i, j;
1459
1460     for (i = 0; i < self->nicons; ++i)
1461         g_free(self->icons[i].data);
1462     if (self->nicons > 0)
1463         g_free(self->icons);
1464     self->nicons = 0;
1465
1466     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1467         /* figure out how many valid icons are in here */
1468         i = 0;
1469         while (num - i > 2) {
1470             w = data[i++];
1471             h = data[i++];
1472             i += w * h;
1473             if (i > num || w*h == 0) break;
1474             ++self->nicons;
1475         }
1476
1477         self->icons = g_new(ObClientIcon, self->nicons);
1478     
1479         /* store the icons */
1480         i = 0;
1481         for (j = 0; j < self->nicons; ++j) {
1482             guint x, y, t;
1483
1484             w = self->icons[j].width = data[i++];
1485             h = self->icons[j].height = data[i++];
1486
1487             if (w*h == 0) continue;
1488
1489             self->icons[j].data = g_new(RrPixel32, w * h);
1490             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1491                 if (x >= w) {
1492                     x = 0;
1493                     ++y;
1494                 }
1495                 self->icons[j].data[t] =
1496                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1497                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1498                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1499                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1500             }
1501             g_assert(i <= num);
1502         }
1503
1504         g_free(data);
1505     } else if (PROP_GETA32(self->window, kwm_win_icon,
1506                            kwm_win_icon, &data, &num)) {
1507         if (num == 2) {
1508             self->nicons++;
1509             self->icons = g_new(ObClientIcon, self->nicons);
1510             xerror_set_ignore(TRUE);
1511             if (!RrPixmapToRGBA(ob_rr_inst,
1512                                 data[0], data[1],
1513                                 &self->icons[self->nicons-1].width,
1514                                 &self->icons[self->nicons-1].height,
1515                                 &self->icons[self->nicons-1].data)) {
1516                 g_free(&self->icons[self->nicons-1]);
1517                 self->nicons--;
1518             }
1519             xerror_set_ignore(FALSE);
1520         }
1521         g_free(data);
1522     } else {
1523         XWMHints *hints;
1524
1525         if ((hints = XGetWMHints(ob_display, self->window))) {
1526             if (hints->flags & IconPixmapHint) {
1527                 self->nicons++;
1528                 self->icons = g_new(ObClientIcon, self->nicons);
1529                 xerror_set_ignore(TRUE);
1530                 if (!RrPixmapToRGBA(ob_rr_inst,
1531                                     hints->icon_pixmap,
1532                                     (hints->flags & IconMaskHint ?
1533                                      hints->icon_mask : None),
1534                                     &self->icons[self->nicons-1].width,
1535                                     &self->icons[self->nicons-1].height,
1536                                     &self->icons[self->nicons-1].data)){
1537                     g_free(&self->icons[self->nicons-1]);
1538                     self->nicons--;
1539                 }
1540                 xerror_set_ignore(FALSE);
1541             }
1542             XFree(hints);
1543         }
1544     }
1545
1546     if (self->frame)
1547         frame_adjust_icon(self->frame);
1548 }
1549
1550 static void client_change_state(ObClient *self)
1551 {
1552     guint32 state[2];
1553     guint32 netstate[10];
1554     guint num;
1555
1556     state[0] = self->wmstate;
1557     state[1] = None;
1558     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1559
1560     num = 0;
1561     if (self->modal)
1562         netstate[num++] = prop_atoms.net_wm_state_modal;
1563     if (self->shaded)
1564         netstate[num++] = prop_atoms.net_wm_state_shaded;
1565     if (self->iconic)
1566         netstate[num++] = prop_atoms.net_wm_state_hidden;
1567     if (self->skip_taskbar)
1568         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1569     if (self->skip_pager)
1570         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1571     if (self->fullscreen)
1572         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1573     if (self->max_vert)
1574         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1575     if (self->max_horz)
1576         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1577     if (self->above)
1578         netstate[num++] = prop_atoms.net_wm_state_above;
1579     if (self->below)
1580         netstate[num++] = prop_atoms.net_wm_state_below;
1581     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1582
1583     client_calc_layer(self);
1584
1585     if (self->frame)
1586         frame_adjust_state(self->frame);
1587 }
1588
1589 ObClient *client_search_focus_tree(ObClient *self)
1590 {
1591     GSList *it;
1592     ObClient *ret;
1593
1594     for (it = self->transients; it != NULL; it = it->next) {
1595         if (client_focused(it->data)) return it->data;
1596         if ((ret = client_search_focus_tree(it->data))) return ret;
1597     }
1598     return NULL;
1599 }
1600
1601 ObClient *client_search_focus_tree_full(ObClient *self)
1602 {
1603     if (self->transient_for) {
1604         if (self->transient_for != OB_TRAN_GROUP) {
1605             return client_search_focus_tree_full(self->transient_for);
1606         } else {
1607             GSList *it;
1608             gboolean recursed = FALSE;
1609         
1610             for (it = self->group->members; it; it = it->next)
1611                 if (!((ObClient*)it->data)->transient_for) {
1612                     ObClient *c;
1613                     if ((c = client_search_focus_tree_full(it->data)))
1614                         return c;
1615                     recursed = TRUE;
1616                 }
1617             if (recursed)
1618               return NULL;
1619         }
1620     }
1621
1622     /* this function checks the whole tree, the client_search_focus_tree~
1623        does not, so we need to check this window */
1624     if (client_focused(self))
1625       return self;
1626     return client_search_focus_tree(self);
1627 }
1628
1629 static ObStackingLayer calc_layer(ObClient *self)
1630 {
1631     ObStackingLayer l;
1632
1633     if (self->fullscreen) l = OB_STACKING_LAYER_FULLSCREEN;
1634     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1635         l = OB_STACKING_LAYER_DESKTOP;
1636     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1637         if (!self->below) l = OB_STACKING_LAYER_TOP;
1638         else l = OB_STACKING_LAYER_NORMAL;
1639     }
1640     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1641     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1642     else l = OB_STACKING_LAYER_NORMAL;
1643
1644     return l;
1645 }
1646
1647 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1648                                         ObStackingLayer l, gboolean raised)
1649 {
1650     ObStackingLayer old, own;
1651     GSList *it;
1652
1653     old = self->layer;
1654     own = calc_layer(self);
1655     self->layer = l > own ? l : own;
1656
1657     for (it = self->transients; it; it = it->next)
1658         client_calc_layer_recursive(it->data, orig,
1659                                     l, raised ? raised : l != old);
1660
1661     if (!raised && l != old)
1662         if (orig->frame) { /* only restack if the original window is managed */
1663             /* XXX add_non_intrusive ever? */
1664             stacking_remove(CLIENT_AS_WINDOW(self));
1665             stacking_add(CLIENT_AS_WINDOW(self));
1666         }
1667 }
1668
1669 void client_calc_layer(ObClient *self)
1670 {
1671     ObStackingLayer l;
1672     ObClient *orig;
1673
1674     orig = self;
1675
1676     /* transients take on the layer of their parents */
1677     self = client_search_top_transient(self);
1678
1679     l = calc_layer(self);
1680
1681     client_calc_layer_recursive(self, orig, l, FALSE);
1682 }
1683
1684 gboolean client_should_show(ObClient *self)
1685 {
1686     if (self->iconic) return FALSE;
1687     else if (!(self->desktop == screen_desktop ||
1688                self->desktop == DESKTOP_ALL)) return FALSE;
1689     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1690     
1691     return TRUE;
1692 }
1693
1694 static void client_showhide(ObClient *self)
1695 {
1696
1697     if (client_should_show(self))
1698         frame_show(self->frame);
1699     else
1700         frame_hide(self->frame);
1701 }
1702
1703 gboolean client_normal(ObClient *self) {
1704     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1705               self->type == OB_CLIENT_TYPE_DOCK ||
1706               self->type == OB_CLIENT_TYPE_SPLASH);
1707 }
1708
1709 static void client_apply_startup_state(ObClient *self)
1710 {
1711     /* these are in a carefully crafted order.. */
1712
1713     g_message("self->iconic %d", self->iconic);
1714     if (self->iconic) {
1715         self->iconic = FALSE;
1716         client_iconify(self, TRUE, FALSE);
1717     }
1718     if (self->fullscreen) {
1719         self->fullscreen = FALSE;
1720         client_fullscreen(self, TRUE, FALSE);
1721     }
1722     if (self->shaded) {
1723         self->shaded = FALSE;
1724         client_shade(self, TRUE);
1725     }
1726     if (self->urgent)
1727         client_urgent_notify(self);
1728   
1729     if (self->max_vert && self->max_horz) {
1730         self->max_vert = self->max_horz = FALSE;
1731         client_maximize(self, TRUE, 0, FALSE);
1732     } else if (self->max_vert) {
1733         self->max_vert = FALSE;
1734         client_maximize(self, TRUE, 2, FALSE);
1735     } else if (self->max_horz) {
1736         self->max_horz = FALSE;
1737         client_maximize(self, TRUE, 1, FALSE);
1738     }
1739
1740     /* nothing to do for the other states:
1741        skip_taskbar
1742        skip_pager
1743        modal
1744        above
1745        below
1746     */
1747 }
1748
1749 void client_configure_full(ObClient *self, ObCorner anchor,
1750                            int x, int y, int w, int h,
1751                            gboolean user, gboolean final,
1752                            gboolean force_reply)
1753 {
1754     gboolean moved = FALSE, resized = FALSE;
1755     guint fdecor = self->frame->decorations;
1756     gboolean fhorz = self->frame->max_horz;
1757
1758     /* make the frame recalculate its dimentions n shit without changing
1759        anything visible for real, this way the constraints below can work with
1760        the updated frame dimensions. */
1761     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
1762
1763     /* gets the frame's position */
1764     frame_client_gravity(self->frame, &x, &y);
1765
1766     /* these positions are frame positions, not client positions */
1767
1768     /* set the size and position if fullscreen */
1769     if (self->fullscreen) {
1770 #ifdef VIDMODE
1771         int dot;
1772         XF86VidModeModeLine mode;
1773 #endif
1774         Rect *a;
1775         guint i;
1776
1777         i = client_monitor(self);
1778         a = screen_physical_area_monitor(i);
1779
1780 #ifdef VIDMODE
1781         if (i == 0 && /* primary head */
1782             extensions_vidmode &&
1783             XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y) &&
1784             /* get the mode last so the mode.privsize isnt freed incorrectly */
1785             XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1786             x += a->x;
1787             y += a->y;
1788             w = mode.hdisplay;
1789             h = mode.vdisplay;
1790             if (mode.privsize) XFree(mode.private);
1791         } else
1792 #endif
1793         {
1794             x = a->x;
1795             y = a->y;
1796             w = a->width;
1797             h = a->height;
1798         }
1799
1800         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1801     } else {
1802         Rect *a;
1803
1804         a = screen_area_monitor(self->desktop, client_monitor(self));
1805
1806         /* set the size and position if maximized */
1807         if (self->max_horz) {
1808             x = a->x;
1809             w = a->width - self->frame->size.left - self->frame->size.right;
1810         }
1811         if (self->max_vert) {
1812             y = a->y;
1813             h = a->height - self->frame->size.top - self->frame->size.bottom;
1814         }
1815     }
1816
1817     /* gets the client's position */
1818     frame_frame_gravity(self->frame, &x, &y);
1819
1820     /* these override the above states! if you cant move you can't move! */
1821     if (user) {
1822         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
1823             x = self->area.x;
1824             y = self->area.y;
1825         }
1826         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
1827             w = self->area.width;
1828             h = self->area.height;
1829         }
1830     }
1831
1832     if (!(w == self->area.width && h == self->area.height)) {
1833         int basew, baseh, minw, minh;
1834
1835         /* base size is substituted with min size if not specified */
1836         if (self->base_size.width || self->base_size.height) {
1837             basew = self->base_size.width;
1838             baseh = self->base_size.height;
1839         } else {
1840             basew = self->min_size.width;
1841             baseh = self->min_size.height;
1842         }
1843         /* min size is substituted with base size if not specified */
1844         if (self->min_size.width || self->min_size.height) {
1845             minw = self->min_size.width;
1846             minh = self->min_size.height;
1847         } else {
1848             minw = self->base_size.width;
1849             minh = self->base_size.height;
1850         }
1851
1852         /* if this is a user-requested resize, then check against min/max
1853            sizes */
1854
1855         /* smaller than min size or bigger than max size? */
1856         if (w > self->max_size.width) w = self->max_size.width;
1857         if (w < minw) w = minw;
1858         if (h > self->max_size.height) h = self->max_size.height;
1859         if (h < minh) h = minh;
1860
1861         w -= basew;
1862         h -= baseh;
1863
1864         /* keep to the increments */
1865         w /= self->size_inc.width;
1866         h /= self->size_inc.height;
1867
1868         /* you cannot resize to nothing */
1869         if (basew + w < 1) w = 1 - basew;
1870         if (baseh + h < 1) h = 1 - baseh;
1871   
1872         /* store the logical size */
1873         SIZE_SET(self->logical_size,
1874                  self->size_inc.width > 1 ? w : w + basew,
1875                  self->size_inc.height > 1 ? h : h + baseh);
1876
1877         w *= self->size_inc.width;
1878         h *= self->size_inc.height;
1879
1880         w += basew;
1881         h += baseh;
1882
1883         /* adjust the height to match the width for the aspect ratios.
1884            for this, min size is not substituted for base size ever. */
1885         w -= self->base_size.width;
1886         h -= self->base_size.height;
1887
1888         if (self->min_ratio)
1889             if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1890         if (self->max_ratio)
1891             if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1892
1893         w += self->base_size.width;
1894         h += self->base_size.height;
1895     }
1896
1897     switch (anchor) {
1898     case OB_CORNER_TOPLEFT:
1899         break;
1900     case OB_CORNER_TOPRIGHT:
1901         x -= w - self->area.width;
1902         break;
1903     case OB_CORNER_BOTTOMLEFT:
1904         y -= h - self->area.height;
1905         break;
1906     case OB_CORNER_BOTTOMRIGHT:
1907         x -= w - self->area.width;
1908         y -= h - self->area.height;
1909         break;
1910     }
1911
1912     moved = x != self->area.x || y != self->area.y;
1913     resized = w != self->area.width || h != self->area.height;
1914
1915     RECT_SET(self->area, x, y, w, h);
1916
1917     /* for app-requested resizes, always resize if 'resized' is true.
1918        for user-requested ones, only resize if final is true, or when
1919        resizing in redraw mode */
1920     if ((!user && resized) ||
1921         (user && (final || (resized && config_redraw_resize))))
1922         XResizeWindow(ob_display, self->window, w, h);
1923
1924     /* move/resize the frame to match the request */
1925     if (self->frame) {
1926         if (self->decorations != fdecor || self->max_horz != fhorz)
1927             moved = resized = TRUE;
1928
1929         if (moved || resized)
1930             frame_adjust_area(self->frame, moved, resized, FALSE);
1931
1932         if (!resized && (force_reply || ((!user && moved) || (user && final))))
1933         {
1934             XEvent event;
1935             event.type = ConfigureNotify;
1936             event.xconfigure.display = ob_display;
1937             event.xconfigure.event = self->window;
1938             event.xconfigure.window = self->window;
1939
1940             /* root window real coords */
1941             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
1942                 self->border_width;
1943             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
1944                 self->border_width;
1945             event.xconfigure.width = w;
1946             event.xconfigure.height = h;
1947             event.xconfigure.border_width = 0;
1948             event.xconfigure.above = self->frame->plate;
1949             event.xconfigure.override_redirect = FALSE;
1950             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1951                        FALSE, StructureNotifyMask, &event);
1952         }
1953     }
1954 }
1955
1956 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
1957 {
1958     int x, y, w, h;
1959
1960     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
1961         self->fullscreen == fs) return;                   /* already done */
1962
1963     self->fullscreen = fs;
1964     client_change_state(self); /* change the state hints on the client,
1965                                   and adjust out layer/stacking */
1966
1967     if (fs) {
1968         if (savearea) {
1969             guint32 dimensions[4];
1970             dimensions[0] = self->area.x;
1971             dimensions[1] = self->area.y;
1972             dimensions[2] = self->area.width;
1973             dimensions[3] = self->area.height;
1974   
1975             PROP_SETA32(self->window, openbox_premax, cardinal,
1976                         dimensions, 4);
1977         }
1978
1979         /* these are not actually used cuz client_configure will set them
1980            as appropriate when the window is fullscreened */
1981         x = y = w = h = 0;
1982     } else {
1983         guint num;
1984         gint32 *dimensions;
1985         Rect *a;
1986
1987         /* pick some fallbacks... */
1988         a = screen_area_monitor(self->desktop, 0);
1989         x = a->x + a->width / 4;
1990         y = a->y + a->height / 4;
1991         w = a->width / 2;
1992         h = a->height / 2;
1993
1994         if (PROP_GETA32(self->window, openbox_premax, cardinal,
1995                         (guint32**)&dimensions, &num)) {
1996             if (num == 4) {
1997                 x = dimensions[0];
1998                 y = dimensions[1];
1999                 w = dimensions[2];
2000                 h = dimensions[3];
2001             }
2002             g_free(dimensions);
2003         }
2004     }
2005
2006     client_setup_decor_and_functions(self);
2007
2008     client_move_resize(self, x, y, w, h);
2009
2010     /* try focus us when we go into fullscreen mode */
2011     client_focus(self);
2012 }
2013
2014 static void client_iconify_recursive(ObClient *self,
2015                                      gboolean iconic, gboolean curdesk)
2016 {
2017     GSList *it;
2018     gboolean changed = FALSE;
2019
2020
2021     if (self->iconic != iconic) {
2022         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2023                  self->window);
2024
2025         self->iconic = iconic;
2026
2027         if (iconic) {
2028             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2029                 self->wmstate = IconicState;
2030                 self->ignore_unmaps++;
2031                 /* we unmap the client itself so that we can get MapRequest
2032                    events, and because the ICCCM tells us to! */
2033                 XUnmapWindow(ob_display, self->window);
2034
2035                 /* update the focus lists.. iconic windows go to the bottom of
2036                    the list, put the new iconic window at the 'top of the
2037                    bottom'. */
2038                 focus_order_to_top(self);
2039
2040                 changed = TRUE;
2041             }
2042         } else {
2043             if (curdesk)
2044                 client_set_desktop(self, screen_desktop, FALSE);
2045             self->wmstate = self->shaded ? IconicState : NormalState;
2046             XMapWindow(ob_display, self->window);
2047
2048             /* this puts it after the current focused window */
2049             focus_order_remove(self);
2050             focus_order_add_new(self);
2051
2052             /* this is here cuz with the VIDMODE extension, the viewport can
2053                change while a fullscreen window is iconic, and when it
2054                uniconifies, it would be nice if it did so to the new position
2055                of the viewport */
2056             client_reconfigure(self);
2057
2058             changed = TRUE;
2059         }
2060     }
2061
2062     if (changed) {
2063         client_change_state(self);
2064         client_showhide(self);
2065         screen_update_areas();
2066     }
2067
2068     /* iconify all transients */
2069     for (it = self->transients; it != NULL; it = it->next)
2070         if (it->data != self) client_iconify_recursive(it->data,
2071                                                        iconic, curdesk);
2072 }
2073
2074 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2075 {
2076     /* move up the transient chain as far as possible first */
2077     self = client_search_top_transient(self);
2078
2079     client_iconify_recursive(client_search_top_transient(self),
2080                              iconic, curdesk);
2081 }
2082
2083 void client_maximize(ObClient *self, gboolean max, int dir, gboolean savearea)
2084 {
2085     int x, y, w, h;
2086      
2087     g_assert(dir == 0 || dir == 1 || dir == 2);
2088     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2089
2090     /* check if already done */
2091     if (max) {
2092         if (dir == 0 && self->max_horz && self->max_vert) return;
2093         if (dir == 1 && self->max_horz) return;
2094         if (dir == 2 && self->max_vert) return;
2095     } else {
2096         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2097         if (dir == 1 && !self->max_horz) return;
2098         if (dir == 2 && !self->max_vert) return;
2099     }
2100
2101     /* work with the frame's coords */
2102     x = self->frame->area.x;
2103     y = self->frame->area.y;
2104     w = self->area.width;
2105     h = self->area.height;
2106
2107     if (max) {
2108         if (savearea) {
2109             gint32 dimensions[4];
2110             gint32 *readdim;
2111             guint num;
2112
2113             dimensions[0] = x;
2114             dimensions[1] = y;
2115             dimensions[2] = w;
2116             dimensions[3] = h;
2117
2118             /* get the property off the window and use it for the dimensions
2119                we are already maxed on */
2120             if (PROP_GETA32(self->window, openbox_premax, cardinal,
2121                             (guint32**)&readdim, &num)) {
2122                 if (num == 4) {
2123                     if (self->max_horz) {
2124                         dimensions[0] = readdim[0];
2125                         dimensions[2] = readdim[2];
2126                     }
2127                     if (self->max_vert) {
2128                         dimensions[1] = readdim[1];
2129                         dimensions[3] = readdim[3];
2130                     }
2131                 }
2132                 g_free(readdim);
2133             }
2134
2135             PROP_SETA32(self->window, openbox_premax, cardinal,
2136                         (guint32*)dimensions, 4);
2137         }
2138     } else {
2139         guint num;
2140         gint32 *dimensions;
2141         Rect *a;
2142
2143         /* pick some fallbacks... */
2144         a = screen_area_monitor(self->desktop, 0);
2145         if (dir == 0 || dir == 1) { /* horz */
2146             x = a->x + a->width / 4;
2147             w = a->width / 2;
2148         }
2149         if (dir == 0 || dir == 2) { /* vert */
2150             y = a->y + a->height / 4;
2151             h = a->height / 2;
2152         }
2153
2154         if (PROP_GETA32(self->window, openbox_premax, cardinal,
2155                         (guint32**)&dimensions, &num)) {
2156             if (num == 4) {
2157                 if (dir == 0 || dir == 1) { /* horz */
2158                     x = dimensions[0];
2159                     w = dimensions[2];
2160                 }
2161                 if (dir == 0 || dir == 2) { /* vert */
2162                     y = dimensions[1];
2163                     h = dimensions[3];
2164                 }
2165             }
2166             g_free(dimensions);
2167         }
2168     }
2169
2170     if (dir == 0 || dir == 1) /* horz */
2171         self->max_horz = max;
2172     if (dir == 0 || dir == 2) /* vert */
2173         self->max_vert = max;
2174
2175     if (!self->max_horz && !self->max_vert)
2176         PROP_ERASE(self->window, openbox_premax);
2177
2178     client_change_state(self); /* change the state hints on the client */
2179
2180     client_setup_decor_and_functions(self);
2181
2182     /* figure out where the client should be going */
2183     frame_frame_gravity(self->frame, &x, &y);
2184     client_move_resize(self, x, y, w, h);
2185 }
2186
2187 void client_shade(ObClient *self, gboolean shade)
2188 {
2189     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2190          shade) ||                         /* can't shade */
2191         self->shaded == shade) return;     /* already done */
2192
2193     /* when we're iconic, don't change the wmstate */
2194     if (!self->iconic)
2195         self->wmstate = shade ? IconicState : NormalState;
2196     self->shaded = shade;
2197     client_change_state(self);
2198     /* resize the frame to just the titlebar */
2199     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2200 }
2201
2202 void client_close(ObClient *self)
2203 {
2204     XEvent ce;
2205
2206     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2207
2208     /*
2209       XXX: itd be cool to do timeouts and shit here for killing the client's
2210       process off
2211       like... if the window is around after 5 seconds, then the close button
2212       turns a nice red, and if this function is called again, the client is
2213       explicitly killed.
2214     */
2215
2216     ce.xclient.type = ClientMessage;
2217     ce.xclient.message_type =  prop_atoms.wm_protocols;
2218     ce.xclient.display = ob_display;
2219     ce.xclient.window = self->window;
2220     ce.xclient.format = 32;
2221     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2222     ce.xclient.data.l[1] = event_lasttime;
2223     ce.xclient.data.l[2] = 0l;
2224     ce.xclient.data.l[3] = 0l;
2225     ce.xclient.data.l[4] = 0l;
2226     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2227 }
2228
2229 void client_kill(ObClient *self)
2230 {
2231     XKillClient(ob_display, self->window);
2232 }
2233
2234 void client_set_desktop_recursive(ObClient *self,
2235                                   guint target, gboolean donthide)
2236 {
2237     guint old;
2238     GSList *it;
2239
2240     if (target != self->desktop) {
2241
2242         ob_debug("Setting desktop %u\n", target+1);
2243
2244         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2245
2246         /* remove from the old desktop(s) */
2247         focus_order_remove(self);
2248
2249         old = self->desktop;
2250         self->desktop = target;
2251         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2252         /* the frame can display the current desktop state */
2253         frame_adjust_state(self->frame);
2254         /* 'move' the window to the new desktop */
2255         if (!donthide)
2256             client_showhide(self);
2257         /* raise if it was not already on the desktop */
2258         if (old != DESKTOP_ALL)
2259             stacking_raise(CLIENT_AS_WINDOW(self));
2260         screen_update_areas();
2261
2262         /* add to the new desktop(s) */
2263         if (config_focus_new)
2264             focus_order_to_top(self);
2265         else
2266             focus_order_to_bottom(self);
2267     }
2268
2269     /* move all transients */
2270     for (it = self->transients; it != NULL; it = it->next)
2271         if (it->data != self) client_set_desktop_recursive(it->data,
2272                                                            target, donthide);
2273 }
2274
2275 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2276 {
2277     client_set_desktop_recursive(client_search_top_transient(self),
2278                                  target, donthide);
2279 }
2280
2281 ObClient *client_search_modal_child(ObClient *self)
2282 {
2283     GSList *it;
2284     ObClient *ret;
2285   
2286     for (it = self->transients; it != NULL; it = it->next) {
2287         ObClient *c = it->data;
2288         if ((ret = client_search_modal_child(c))) return ret;
2289         if (c->modal) return c;
2290     }
2291     return NULL;
2292 }
2293
2294 gboolean client_validate(ObClient *self)
2295 {
2296     XEvent e; 
2297
2298     XSync(ob_display, FALSE); /* get all events on the server */
2299
2300     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2301         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2302         XPutBackEvent(ob_display, &e);
2303         return FALSE;
2304     }
2305
2306     return TRUE;
2307 }
2308
2309 void client_set_wm_state(ObClient *self, long state)
2310 {
2311     if (state == self->wmstate) return; /* no change */
2312   
2313     switch (state) {
2314     case IconicState:
2315         client_iconify(self, TRUE, TRUE);
2316         break;
2317     case NormalState:
2318         client_iconify(self, FALSE, TRUE);
2319         break;
2320     }
2321 }
2322
2323 void client_set_state(ObClient *self, Atom action, long data1, long data2)
2324 {
2325     gboolean shaded = self->shaded;
2326     gboolean fullscreen = self->fullscreen;
2327     gboolean max_horz = self->max_horz;
2328     gboolean max_vert = self->max_vert;
2329     int i;
2330
2331     if (!(action == prop_atoms.net_wm_state_add ||
2332           action == prop_atoms.net_wm_state_remove ||
2333           action == prop_atoms.net_wm_state_toggle))
2334         /* an invalid action was passed to the client message, ignore it */
2335         return; 
2336
2337     for (i = 0; i < 2; ++i) {
2338         Atom state = i == 0 ? data1 : data2;
2339     
2340         if (!state) continue;
2341
2342         /* if toggling, then pick whether we're adding or removing */
2343         if (action == prop_atoms.net_wm_state_toggle) {
2344             if (state == prop_atoms.net_wm_state_modal)
2345                 action = self->modal ? prop_atoms.net_wm_state_remove :
2346                     prop_atoms.net_wm_state_add;
2347             else if (state == prop_atoms.net_wm_state_maximized_vert)
2348                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2349                     prop_atoms.net_wm_state_add;
2350             else if (state == prop_atoms.net_wm_state_maximized_horz)
2351                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2352                     prop_atoms.net_wm_state_add;
2353             else if (state == prop_atoms.net_wm_state_shaded)
2354                 action = self->shaded ? prop_atoms.net_wm_state_remove :
2355                     prop_atoms.net_wm_state_add;
2356             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2357                 action = self->skip_taskbar ?
2358                     prop_atoms.net_wm_state_remove :
2359                     prop_atoms.net_wm_state_add;
2360             else if (state == prop_atoms.net_wm_state_skip_pager)
2361                 action = self->skip_pager ?
2362                     prop_atoms.net_wm_state_remove :
2363                     prop_atoms.net_wm_state_add;
2364             else if (state == prop_atoms.net_wm_state_fullscreen)
2365                 action = self->fullscreen ?
2366                     prop_atoms.net_wm_state_remove :
2367                     prop_atoms.net_wm_state_add;
2368             else if (state == prop_atoms.net_wm_state_above)
2369                 action = self->above ? prop_atoms.net_wm_state_remove :
2370                     prop_atoms.net_wm_state_add;
2371             else if (state == prop_atoms.net_wm_state_below)
2372                 action = self->below ? prop_atoms.net_wm_state_remove :
2373                     prop_atoms.net_wm_state_add;
2374         }
2375     
2376         if (action == prop_atoms.net_wm_state_add) {
2377             if (state == prop_atoms.net_wm_state_modal) {
2378                 /* XXX raise here or something? */
2379                 self->modal = TRUE;
2380             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2381                 max_vert = TRUE;
2382             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2383                 max_horz = TRUE;
2384             } else if (state == prop_atoms.net_wm_state_shaded) {
2385                 shaded = TRUE;
2386             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2387                 self->skip_taskbar = TRUE;
2388             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2389                 self->skip_pager = TRUE;
2390             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2391                 fullscreen = TRUE;
2392             } else if (state == prop_atoms.net_wm_state_above) {
2393                 self->above = TRUE;
2394             } else if (state == prop_atoms.net_wm_state_below) {
2395                 self->below = TRUE;
2396             }
2397
2398         } else { /* action == prop_atoms.net_wm_state_remove */
2399             if (state == prop_atoms.net_wm_state_modal) {
2400                 self->modal = FALSE;
2401             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2402                 max_vert = FALSE;
2403             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2404                 max_horz = FALSE;
2405             } else if (state == prop_atoms.net_wm_state_shaded) {
2406                 shaded = FALSE;
2407             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2408                 self->skip_taskbar = FALSE;
2409             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2410                 self->skip_pager = FALSE;
2411             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2412                 fullscreen = FALSE;
2413             } else if (state == prop_atoms.net_wm_state_above) {
2414                 self->above = FALSE;
2415             } else if (state == prop_atoms.net_wm_state_below) {
2416                 self->below = FALSE;
2417             }
2418         }
2419     }
2420     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2421         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2422             /* toggling both */
2423             if (max_horz == max_vert) { /* both going the same way */
2424                 client_maximize(self, max_horz, 0, TRUE);
2425             } else {
2426                 client_maximize(self, max_horz, 1, TRUE);
2427                 client_maximize(self, max_vert, 2, TRUE);
2428             }
2429         } else {
2430             /* toggling one */
2431             if (max_horz != self->max_horz)
2432                 client_maximize(self, max_horz, 1, TRUE);
2433             else
2434                 client_maximize(self, max_vert, 2, TRUE);
2435         }
2436     }
2437     /* change fullscreen state before shading, as it will affect if the window
2438        can shade or not */
2439     if (fullscreen != self->fullscreen)
2440         client_fullscreen(self, fullscreen, TRUE);
2441     if (shaded != self->shaded)
2442         client_shade(self, shaded);
2443     client_calc_layer(self);
2444     client_change_state(self); /* change the hint to reflect these changes */
2445 }
2446
2447 ObClient *client_focus_target(ObClient *self)
2448 {
2449     ObClient *child;
2450      
2451     /* if we have a modal child, then focus it, not us */
2452     child = client_search_modal_child(self);
2453     if (child) return child;
2454     return self;
2455 }
2456
2457 gboolean client_can_focus(ObClient *self)
2458 {
2459     XEvent ev;
2460
2461     /* choose the correct target */
2462     self = client_focus_target(self);
2463
2464     if (!self->frame->visible)
2465         return FALSE;
2466
2467     if (!((self->can_focus || self->focus_notify) &&
2468           (self->desktop == screen_desktop ||
2469            self->desktop == DESKTOP_ALL) &&
2470           !self->iconic))
2471         return FALSE;
2472
2473     /* do a check to see if the window has already been unmapped or destroyed
2474        do this intelligently while watching out for unmaps we've generated
2475        (ignore_unmaps > 0) */
2476     if (XCheckTypedWindowEvent(ob_display, self->window,
2477                                DestroyNotify, &ev)) {
2478         XPutBackEvent(ob_display, &ev);
2479         return FALSE;
2480     }
2481     while (XCheckTypedWindowEvent(ob_display, self->window,
2482                                   UnmapNotify, &ev)) {
2483         if (self->ignore_unmaps) {
2484             self->ignore_unmaps--;
2485         } else {
2486             XPutBackEvent(ob_display, &ev);
2487             return FALSE;
2488         }
2489     }
2490
2491     return TRUE;
2492 }
2493
2494 gboolean client_focus(ObClient *self)
2495 {
2496     /* choose the correct target */
2497     self = client_focus_target(self);
2498
2499     if (!client_can_focus(self)) {
2500         if (!self->frame->visible) {
2501             /* update the focus lists */
2502             focus_order_to_top(self);
2503         }
2504         return FALSE;
2505     }
2506
2507     if (self->can_focus) {
2508         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2509            I choose to use it always, hopefully to find errors quicker, if any
2510            are left. (I hate X. I hate focus events.)
2511            
2512            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2513            #799. So now it is RevertToNone again.
2514         */
2515         XSetInputFocus(ob_display, self->window, RevertToNone,
2516                        event_lasttime);
2517     }
2518
2519     if (self->focus_notify) {
2520         XEvent ce;
2521         ce.xclient.type = ClientMessage;
2522         ce.xclient.message_type = prop_atoms.wm_protocols;
2523         ce.xclient.display = ob_display;
2524         ce.xclient.window = self->window;
2525         ce.xclient.format = 32;
2526         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2527         ce.xclient.data.l[1] = event_lasttime;
2528         ce.xclient.data.l[2] = 0l;
2529         ce.xclient.data.l[3] = 0l;
2530         ce.xclient.data.l[4] = 0l;
2531         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2532     }
2533
2534 #ifdef DEBUG_FOCUS
2535     ob_debug("%sively focusing %lx at %d\n",
2536              (self->can_focus ? "act" : "pass"),
2537              self->window, (int) event_lasttime);
2538 #endif
2539
2540     /* Cause the FocusIn to come back to us. Important for desktop switches,
2541        since otherwise we'll have no FocusIn on the queue and send it off to
2542        the focus_backup. */
2543     XSync(ob_display, FALSE);
2544     return TRUE;
2545 }
2546
2547 void client_unfocus(ObClient *self)
2548 {
2549     g_assert(focus_client == self);
2550 #ifdef DEBUG_FOCUS
2551     ob_debug("client_unfocus for %lx\n", self->window);
2552 #endif
2553     focus_fallback(OB_FOCUS_FALLBACK_UNFOCUSING);
2554 }
2555
2556 void client_activate(ObClient *self, gboolean here)
2557 {
2558     if (client_normal(self) && screen_showing_desktop)
2559         screen_show_desktop(FALSE);
2560     if (self->iconic)
2561         client_iconify(self, FALSE, FALSE);
2562     if (self->desktop != DESKTOP_ALL &&
2563         self->desktop != screen_desktop) {
2564         if (here)
2565             client_set_desktop(self, screen_desktop, FALSE);
2566         else
2567             screen_set_desktop(self->desktop);
2568     } else if (!self->frame->visible)
2569         /* if its not visible for other reasons, then don't mess
2570            with it */
2571         return;
2572     if (self->shaded)
2573         client_shade(self, FALSE);
2574     client_focus(self);
2575     stacking_raise(CLIENT_AS_WINDOW(self));
2576 }
2577
2578 gboolean client_focused(ObClient *self)
2579 {
2580     return self == focus_client;
2581 }
2582
2583 ObClientIcon *client_icon(ObClient *self, int w, int h)
2584 {
2585     guint i;
2586     /* si is the smallest image >= req */
2587     /* li is the largest image < req */
2588     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2589
2590     if (!self->nicons) return NULL;
2591
2592     for (i = 0; i < self->nicons; ++i) {
2593         size = self->icons[i].width * self->icons[i].height;
2594         if (size < smallest && size >= (unsigned)(w * h)) {
2595             smallest = size;
2596             si = i;
2597         }
2598         if (size > largest && size <= (unsigned)(w * h)) {
2599             largest = size;
2600             li = i;
2601         }
2602     }
2603     if (largest == 0) /* didnt find one smaller than the requested size */
2604         return &self->icons[si];
2605     return &self->icons[li];
2606 }
2607
2608 /* this be mostly ripped from fvwm */
2609 ObClient *client_find_directional(ObClient *c, ObDirection dir) 
2610 {
2611     int my_cx, my_cy, his_cx, his_cy;
2612     int offset = 0;
2613     int distance = 0;
2614     int score, best_score;
2615     ObClient *best_client, *cur;
2616     GList *it;
2617
2618     if(!client_list)
2619         return NULL;
2620
2621     /* first, find the centre coords of the currently focused window */
2622     my_cx = c->frame->area.x + c->frame->area.width / 2;
2623     my_cy = c->frame->area.y + c->frame->area.height / 2;
2624
2625     best_score = -1;
2626     best_client = NULL;
2627
2628     for(it = g_list_first(client_list); it; it = it->next) {
2629         cur = it->data;
2630
2631         /* the currently selected window isn't interesting */
2632         if(cur == c)
2633             continue;
2634         if (!client_normal(cur))
2635             continue;
2636         if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2637             continue;
2638         if(cur->iconic)
2639             continue;
2640         if(client_focus_target(cur) == cur &&
2641            !(cur->can_focus || cur->focus_notify))
2642             continue;
2643
2644         /* find the centre coords of this window, from the
2645          * currently focused window's point of view */
2646         his_cx = (cur->frame->area.x - my_cx)
2647             + cur->frame->area.width / 2;
2648         his_cy = (cur->frame->area.y - my_cy)
2649             + cur->frame->area.height / 2;
2650
2651         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
2652            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
2653             int tx;
2654             /* Rotate the diagonals 45 degrees counterclockwise.
2655              * To do this, multiply the matrix /+h +h\ with the
2656              * vector (x y).                   \-h +h/
2657              * h = sqrt(0.5). We can set h := 1 since absolute
2658              * distance doesn't matter here. */
2659             tx = his_cx + his_cy;
2660             his_cy = -his_cx + his_cy;
2661             his_cx = tx;
2662         }
2663
2664         switch(dir) {
2665         case OB_DIRECTION_NORTH:
2666         case OB_DIRECTION_SOUTH:
2667         case OB_DIRECTION_NORTHEAST:
2668         case OB_DIRECTION_SOUTHWEST:
2669             offset = (his_cx < 0) ? -his_cx : his_cx;
2670             distance = ((dir == OB_DIRECTION_NORTH ||
2671                         dir == OB_DIRECTION_NORTHEAST) ?
2672                         -his_cy : his_cy);
2673             break;
2674         case OB_DIRECTION_EAST:
2675         case OB_DIRECTION_WEST:
2676         case OB_DIRECTION_SOUTHEAST:
2677         case OB_DIRECTION_NORTHWEST:
2678             offset = (his_cy < 0) ? -his_cy : his_cy;
2679             distance = ((dir == OB_DIRECTION_WEST ||
2680                         dir == OB_DIRECTION_NORTHWEST) ?
2681                         -his_cx : his_cx);
2682             break;
2683         }
2684
2685         /* the target must be in the requested direction */
2686         if(distance <= 0)
2687             continue;
2688
2689         /* Calculate score for this window.  The smaller the better. */
2690         score = distance + offset;
2691
2692         /* windows more than 45 degrees off the direction are
2693          * heavily penalized and will only be chosen if nothing
2694          * else within a million pixels */
2695         if(offset > distance)
2696             score += 1000000;
2697
2698         if(best_score == -1 || score < best_score)
2699             best_client = cur,
2700                 best_score = score;
2701     }
2702
2703     return best_client;
2704 }
2705
2706 void client_set_layer(ObClient *self, int layer)
2707 {
2708     if (layer < 0) {
2709         self->below = TRUE;
2710         self->above = FALSE;
2711     } else if (layer == 0) {
2712         self->below = self->above = FALSE;
2713     } else {
2714         self->below = FALSE;
2715         self->above = TRUE;
2716     }
2717     client_calc_layer(self);
2718     client_change_state(self); /* reflect this in the state hints */
2719 }
2720
2721 guint client_monitor(ObClient *self)
2722 {
2723     guint i;
2724
2725     for (i = 0; i < screen_num_monitors; ++i) {
2726         Rect *area = screen_physical_area_monitor(i);
2727         if (RECT_INTERSECTS_RECT(*area, self->frame->area))
2728             break;
2729     }
2730     if (i == screen_num_monitors) i = 0;
2731     g_assert(i < screen_num_monitors);
2732     return i;
2733 }
2734
2735 ObClient *client_search_top_transient(ObClient *self)
2736 {
2737     /* move up the transient chain as far as possible */
2738     if (self->transient_for) {
2739         if (self->transient_for != OB_TRAN_GROUP) {
2740             return client_search_top_transient(self->transient_for);
2741         } else {
2742             GSList *it;
2743
2744             for (it = self->group->members; it; it = it->next) {
2745                 ObClient *c = it->data;
2746
2747                 /* checking transient_for prevents infinate loops! */
2748                 if (c != self && !c->transient_for)
2749                     break;
2750             }
2751             if (it)
2752                 return it->data;
2753         }
2754     }
2755
2756     return self;
2757 }
2758
2759 ObClient *client_search_transient(ObClient *self, ObClient *search)
2760 {
2761     GSList *sit;
2762
2763     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
2764         if (sit->data == search)
2765             return search;
2766         if (client_search_transient(sit->data, search))
2767             return search;
2768     }
2769     return NULL;
2770 }
2771
2772 gchar* client_get_sm_client_id(ObClient *self)
2773 {
2774     gchar *id = NULL;
2775
2776     if (!PROP_GETS(self->window, sm_client_id, locale, &id) && self->group)
2777         PROP_GETS(self->group->leader, sm_client_id, locale, &id);
2778     return id;
2779 }
2780
2781 /* finds the nearest edge in the given direction from the current client
2782  * note to self: the edge is the -frame- edge (the actual one), not the
2783  * client edge.
2784  */
2785 int client_directional_edge_search(ObClient *c, ObDirection dir)
2786 {
2787     int dest;
2788     int my_edge_start, my_edge_end, my_offset;
2789     GList *it;
2790     Rect *a;
2791     
2792     if(!client_list)
2793         return -1;
2794
2795     a = screen_area(c->desktop);
2796
2797     switch(dir) {
2798     case OB_DIRECTION_NORTH:
2799         my_edge_start = c->frame->area.x;
2800         my_edge_end = c->frame->area.x + c->frame->area.width;
2801         my_offset = c->frame->area.y;
2802         
2803         dest = a->y; /* default: top of screen */
2804
2805         for(it = g_list_first(client_list); it; it = it->next) {
2806             int his_edge_start, his_edge_end, his_offset;
2807             ObClient *cur = it->data;
2808
2809             if(cur == c)
2810                 continue;
2811             if(!client_normal(cur))
2812                 continue;
2813             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2814                 continue;
2815             if(cur->iconic)
2816                 continue;
2817
2818             his_edge_start = cur->frame->area.x;
2819             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2820             his_offset = cur->frame->area.y + cur->frame->area.height;
2821
2822             if(his_offset + 1 > my_offset)
2823                 continue;
2824
2825             if(his_offset < dest)
2826                 continue;
2827             
2828             if(his_edge_start >= my_edge_start &&
2829                his_edge_start <= my_edge_end)
2830                 dest = his_offset;
2831
2832             if(my_edge_start >= his_edge_start &&
2833                my_edge_start <= his_edge_end)
2834                 dest = his_offset;
2835
2836         }
2837         break;
2838     case OB_DIRECTION_SOUTH:
2839         my_edge_start = c->frame->area.x;
2840         my_edge_end = c->frame->area.x + c->frame->area.width;
2841         my_offset = c->frame->area.y + c->frame->area.height;
2842         
2843         dest = a->y + a->height; /* default: bottom of screen */
2844
2845         for(it = g_list_first(client_list); it; it = it->next) {
2846             int his_edge_start, his_edge_end, his_offset;
2847             ObClient *cur = it->data;
2848
2849             if(cur == c)
2850                 continue;
2851             if(!client_normal(cur))
2852                 continue;
2853             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2854                 continue;
2855             if(cur->iconic)
2856                 continue;
2857
2858             his_edge_start = cur->frame->area.x;
2859             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2860             his_offset = cur->frame->area.y;
2861
2862
2863             if(his_offset - 1 < my_offset)
2864                 continue;
2865             
2866             if(his_offset > dest)
2867                 continue;
2868             
2869             if(his_edge_start >= my_edge_start &&
2870                his_edge_start <= my_edge_end)
2871                 dest = his_offset;
2872
2873             if(my_edge_start >= his_edge_start &&
2874                my_edge_start <= his_edge_end)
2875                 dest = his_offset;
2876
2877         }
2878         break;
2879     case OB_DIRECTION_WEST:
2880         my_edge_start = c->frame->area.y;
2881         my_edge_end = c->frame->area.y + c->frame->area.height;
2882         my_offset = c->frame->area.x;
2883
2884         dest = a->x; /* default: leftmost egde of screen */
2885
2886         for(it = g_list_first(client_list); it; it = it->next) {
2887             int his_edge_start, his_edge_end, his_offset;
2888             ObClient *cur = it->data;
2889
2890             if(cur == c)
2891                 continue;
2892             if(!client_normal(cur))
2893                 continue;
2894             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2895                 continue;
2896             if(cur->iconic)
2897                 continue;
2898
2899             his_edge_start = cur->frame->area.y;
2900             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2901             his_offset = cur->frame->area.x + cur->frame->area.width;
2902
2903             if(his_offset + 1 > my_offset)
2904                 continue;
2905             
2906             if(his_offset < dest)
2907                 continue;
2908             
2909             if(his_edge_start >= my_edge_start &&
2910                his_edge_start <= my_edge_end)
2911                 dest = his_offset;
2912
2913             if(my_edge_start >= his_edge_start &&
2914                my_edge_start <= his_edge_end)
2915                 dest = his_offset;
2916                 
2917
2918         }
2919         break;
2920     case OB_DIRECTION_EAST:
2921         my_edge_start = c->frame->area.y;
2922         my_edge_end = c->frame->area.y + c->frame->area.height;
2923         my_offset = c->frame->area.x + c->frame->area.width;
2924         
2925         dest = a->x + a->width; /* default: rightmost edge of screen */
2926
2927         for(it = g_list_first(client_list); it; it = it->next) {
2928             int his_edge_start, his_edge_end, his_offset;
2929             ObClient *cur = it->data;
2930
2931             if(cur == c)
2932                 continue;
2933             if(!client_normal(cur))
2934                 continue;
2935             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2936                 continue;
2937             if(cur->iconic)
2938                 continue;
2939
2940             his_edge_start = cur->frame->area.y;
2941             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2942             his_offset = cur->frame->area.x;
2943
2944             if(his_offset - 1 < my_offset)
2945                 continue;
2946             
2947             if(his_offset > dest)
2948                 continue;
2949             
2950             if(his_edge_start >= my_edge_start &&
2951                his_edge_start <= my_edge_end)
2952                 dest = his_offset;
2953
2954             if(my_edge_start >= his_edge_start &&
2955                my_edge_start <= his_edge_end)
2956                 dest = his_offset;
2957
2958         }
2959         break;
2960     case OB_DIRECTION_NORTHEAST:
2961     case OB_DIRECTION_SOUTHEAST:
2962     case OB_DIRECTION_NORTHWEST:
2963     case OB_DIRECTION_SOUTHWEST:
2964         /* not implemented */
2965         break;
2966     default:
2967             g_assert_not_reached();
2968     }
2969     return dest;
2970 }