bug in the search for transient_for's
[mikachu/openbox.git] / openbox / client.c
1 #include "client.h"
2 #include "screen.h"
3 #include "prop.h"
4 #include "extensions.h"
5 #include "frame.h"
6 #include "event.h"
7 #include "grab.h"
8 #include "focus.h"
9 #include "stacking.h"
10 #include "dispatch.h"
11 #include "openbox.h"
12 #include "group.h"
13 #include "config.h"
14
15 #include <glib.h>
16 #include <X11/Xutil.h>
17
18 /*! The event mask to grab on client windows */
19 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
20                           StructureNotifyMask)
21
22 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
23                                 ButtonMotionMask)
24
25 GList      *client_list      = NULL;
26 GHashTable *client_map       = NULL;
27
28 static Window *client_startup_stack_order = NULL;
29 static guint  client_startup_stack_size = 0;
30
31 static void client_get_all(Client *self);
32 static void client_toggle_border(Client *self, gboolean show);
33 static void client_get_area(Client *self);
34 static void client_get_desktop(Client *self);
35 static void client_get_state(Client *self);
36 static void client_get_shaped(Client *self);
37 static void client_get_mwm_hints(Client *self);
38 static void client_get_gravity(Client *self);
39 static void client_showhide(Client *self);
40 static void client_change_allowed_actions(Client *self);
41 static void client_change_state(Client *self);
42 static void client_move_onscreen(Client *self);
43 static Client *search_focus_tree(Client *node, Client *skip);
44 static void client_apply_startup_state(Client *self);
45 static Client *search_modal_tree(Client *node, Client *skip);
46
47 static guint map_hash(Window *w) { return *w; }
48 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
49
50 void client_startup()
51 {
52     client_map = g_hash_table_new((GHashFunc)map_hash,
53                                   (GEqualFunc)map_key_comp);
54
55     /* save the stacking order on startup! */
56     PROP_GETA32(ob_root, net_client_list_stacking, window,
57                 (guint32**)&client_startup_stack_order,
58                 &client_startup_stack_size);
59
60     client_set_list();
61 }
62
63 void client_shutdown()
64 {
65     g_hash_table_destroy(client_map);
66 }
67
68 void client_set_list()
69 {
70     Window *windows, *win_it;
71     GList *it;
72     guint size = g_list_length(client_list);
73
74     /* create an array of the window ids */
75     if (size > 0) {
76         windows = g_new(Window, size);
77         win_it = windows;
78         for (it = client_list; it != NULL; it = it->next, ++win_it)
79             *win_it = ((Client*)it->data)->window;
80     } else
81         windows = NULL;
82
83     PROP_SETA32(ob_root, net_client_list, window, (guint32*)windows, size);
84
85     if (windows)
86         g_free(windows);
87
88     stacking_set_list();
89 }
90
91 void client_manage_all()
92 {
93     unsigned int i, j, nchild;
94     Window w, *children;
95     XWMHints *wmhints;
96     XWindowAttributes attrib;
97
98     XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
99
100     /* remove all icon windows from the list */
101     for (i = 0; i < nchild; i++) {
102         if (children[i] == None) continue;
103         wmhints = XGetWMHints(ob_display, children[i]);
104         if (wmhints) {
105             if ((wmhints->flags & IconWindowHint) &&
106                 (wmhints->icon_window != children[i]))
107                 for (j = 0; j < nchild; j++)
108                     if (children[j] == wmhints->icon_window) {
109                         children[j] = None;
110                         break;
111                     }
112             XFree(wmhints);
113         }
114     }
115
116     for (i = 0; i < nchild; ++i) {
117         if (children[i] == None)
118             continue;
119         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
120             if (attrib.override_redirect) continue;
121
122             if (attrib.map_state != IsUnmapped)
123                 client_manage(children[i]);
124         }
125     }
126     XFree(children);
127
128     /* stack them as they were on startup!
129        why with stacking_lower? Why, because then windows who aren't in the
130        stacking list are on the top where you can see them instead of buried
131        at the bottom! */
132     for (i = client_startup_stack_size; i > 0; --i) {
133         Client *c;
134
135         w = client_startup_stack_order[i-1];
136         c = g_hash_table_lookup(client_map, &w);
137         if (c) stacking_lower(c);
138     }
139     g_free(client_startup_stack_order);
140     client_startup_stack_order = NULL;
141     client_startup_stack_size = 0;
142
143     if (config_focus_new)
144         focus_fallback(Fallback_NoFocus);
145 }
146
147 void client_manage(Window window)
148 {
149     Client *self;
150     XEvent e;
151     XWindowAttributes attrib;
152     XSetWindowAttributes attrib_set;
153 /*    XWMHints *wmhint; */
154     guint i;
155
156     grab_server(TRUE);
157
158     /* check if it has already been unmapped by the time we started mapping
159        the grab does a sync so we don't have to here */
160     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
161         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
162         XPutBackEvent(ob_display, &e);
163
164         grab_server(FALSE);
165         return; /* don't manage it */
166     }
167
168     /* make sure it isn't an override-redirect window */
169     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
170         attrib.override_redirect) {
171         grab_server(FALSE);
172         return; /* don't manage it */
173     }
174   
175 /*    /\* is the window a docking app *\/
176     if ((wmhint = XGetWMHints(ob_display, window))) {
177         if ((wmhint->flags & StateHint) &&
178             wmhint->initial_state == WithdrawnState) {
179             /\* XXX: make dock apps work! *\/
180             grab_server(FALSE);
181             XFree(wmhint);
182             return;
183         }
184         XFree(wmhint);
185     }
186 */
187     g_message("Managing window: %lx", window);
188
189     /* choose the events we want to receive on the CLIENT window */
190     attrib_set.event_mask = CLIENT_EVENTMASK;
191     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
192     XChangeWindowAttributes(ob_display, window,
193                             CWEventMask|CWDontPropagate, &attrib_set);
194
195
196     /* create the Client struct, and populate it from the hints on the
197        window */
198     self = g_new(Client, 1);
199     self->window = window;
200     client_get_all(self);
201
202     /* remove the client's border (and adjust re gravity) */
203     client_toggle_border(self, FALSE);
204      
205     /* specify that if we exit, the window should not be destroyed and should
206        be reparented back to root automatically */
207     XChangeSaveSet(ob_display, window, SetModeInsert);
208
209     /* create the decoration frame for the client window */
210     self->frame = frame_new();
211
212     frame_grab_client(self->frame, self);
213
214     client_apply_startup_state(self);
215
216     grab_server(FALSE);
217      
218     client_list = g_list_append(client_list, self);
219     stacking_list = g_list_append(stacking_list, self);
220     g_assert(!g_hash_table_lookup(client_map, &self->window));
221     g_hash_table_insert(client_map, &self->window, self);
222
223     /* update the focus lists */
224     if (self->desktop == DESKTOP_ALL) {
225         for (i = 0; i < screen_num_desktops; ++i)
226             focus_order[i] = g_list_append(focus_order[i], self);
227     } else {
228         i = self->desktop;
229         focus_order[i] = g_list_append(focus_order[i], self);
230     }
231
232     stacking_raise(self);
233
234     screen_update_struts();
235
236     dispatch_client(Event_Client_New, self, 0, 0);
237
238     client_showhide(self);
239
240     dispatch_client(Event_Client_Mapped, self, 0, 0);
241
242     /* focus the new window? */
243     if (ob_state != State_Starting && client_normal(self)) {
244         if (config_focus_new)
245             client_focus(self);
246         else if (self->transient_for) {
247             if (self->transient_for != TRAN_GROUP) {/* transient of a window */
248                 if (focus_client == self->transient_for)
249                     client_focus(self);
250             } else { /* transient of a group */
251                 GSList *it;
252
253                 for (it = self->group->members; it; it = it->next)
254                     if (focus_client == it->data) {
255                         client_focus(self);
256                         break;
257                     }
258             }
259         }
260     }
261
262     /* update the list hints */
263     client_set_list();
264
265     /* make sure the window is visible */
266     client_move_onscreen(self);
267
268     g_message("Managed window 0x%lx", window);
269 }
270
271 void client_unmanage_all()
272 {
273     while (client_list != NULL)
274         client_unmanage(client_list->data);
275 }
276
277 void client_unmanage(Client *self)
278 {
279     guint i;
280     int j;
281     GSList *it;
282
283     g_message("Unmanaging window: %lx", self->window);
284
285     dispatch_client(Event_Client_Destroy, self, 0, 0);
286     g_assert(self != NULL);
287
288     /* remove the window from our save set */
289     XChangeSaveSet(ob_display, self->window, SetModeDelete);
290
291     /* we dont want events no more */
292     XSelectInput(ob_display, self->window, NoEventMask);
293
294     frame_hide(self->frame);
295
296     client_list = g_list_remove(client_list, self);
297     stacking_list = g_list_remove(stacking_list, self);
298     g_hash_table_remove(client_map, &self->window);
299
300     /* update the focus lists */
301     if (self->desktop == DESKTOP_ALL) {
302         for (i = 0; i < screen_num_desktops; ++i)
303             focus_order[i] = g_list_remove(focus_order[i], self);
304     } else {
305         i = self->desktop;
306         focus_order[i] = g_list_remove(focus_order[i], self);
307     }
308
309     /* once the client is out of the list, update the struts to remove it's
310        influence */
311     screen_update_struts();
312
313     /* tell our parent(s) that we're gone */
314     if (self->transient_for == TRAN_GROUP) { /* transient of group */
315         GSList *it;
316
317         for (it = self->group->members; it; it = it->next)
318             if (it->data != self)
319                 ((Client*)it->data)->transients =
320                     g_slist_remove(((Client*)it->data)->transients, self);
321     } else if (self->transient_for) {        /* transient of window */
322         self->transient_for->transients =
323             g_slist_remove(self->transient_for->transients, self);
324     }
325
326     /* tell our transients that we're gone */
327     for (it = self->transients; it != NULL; it = it->next) {
328         if (((Client*)it->data)->transient_for != TRAN_GROUP) {
329             ((Client*)it->data)->transient_for = NULL;
330             client_calc_layer(it->data);
331         }
332     }
333
334     if (focus_client == self)
335         client_unfocus(self);
336
337     /* remove from its group */
338     if (self->group) {
339         group_remove(self->group, self);
340         self->group = NULL;
341     }
342
343     /* dispatch the unmapped event */
344     dispatch_client(Event_Client_Unmapped, self, 0, 0);
345     g_assert(self != NULL);
346
347     /* give the client its border back */
348     client_toggle_border(self, TRUE);
349
350     /* reparent the window out of the frame, and free the frame */
351     frame_release_client(self->frame, self);
352     self->frame = NULL;
353      
354     if (ob_state != State_Exiting) {
355         /* these values should not be persisted across a window
356            unmapping/mapping */
357         prop_erase(self->window, prop_atoms.net_wm_desktop);
358         prop_erase(self->window, prop_atoms.net_wm_state);
359     } else {
360         /* if we're left in an iconic state, the client wont be mapped. this is
361            bad, since we will no longer be managing the window on restart */
362         if (self->iconic)
363             XMapWindow(ob_display, self->window);
364     }
365
366     g_message("Unmanaged window 0x%lx", self->window);
367
368     /* free all data allocated in the client struct */
369     g_slist_free(self->transients);
370     for (j = 0; j < self->nicons; ++j)
371         g_free(self->icons[j].data);
372     if (self->nicons > 0)
373         g_free(self->icons);
374     g_free(self->title);
375     g_free(self->icon_title);
376     g_free(self->name);
377     g_free(self->class);
378     g_free(self->role);
379     g_free(self);
380      
381     /* update the list hints */
382     client_set_list();
383 }
384
385 static void client_move_onscreen(Client *self)
386 {
387     Rect *a;
388     int x = self->frame->area.x, y = self->frame->area.y;
389
390     a = screen_area(self->desktop);
391     if (x >= a->x + a->width - 1)
392         x = a->x + a->width - self->frame->area.width;
393     if (y >= a->y + a->height - 1)
394         y = a->y + a->height - self->frame->area.height;
395     if (x + self->frame->area.width - 1 < a->x)
396         x = a->x;
397     if (y + self->frame->area.height - 1< a->y)
398         y = a->y;
399
400     frame_frame_gravity(self->frame, &x, &y); /* get where the client
401                                               should be */
402     client_configure(self , Corner_TopLeft, x, y,
403                      self->area.width, self->area.height,
404                      TRUE, TRUE);
405 }
406
407 static void client_toggle_border(Client *self, gboolean show)
408 {
409     /* adjust our idea of where the client is, based on its border. When the
410        border is removed, the client should now be considered to be in a
411        different position.
412        when re-adding the border to the client, the same operation needs to be
413        reversed. */
414     int oldx = self->area.x, oldy = self->area.y;
415     int x = oldx, y = oldy;
416     switch(self->gravity) {
417     default:
418     case NorthWestGravity:
419     case WestGravity:
420     case SouthWestGravity:
421         break;
422     case NorthEastGravity:
423     case EastGravity:
424     case SouthEastGravity:
425         if (show) x -= self->border_width * 2;
426         else      x += self->border_width * 2;
427         break;
428     case NorthGravity:
429     case SouthGravity:
430     case CenterGravity:
431     case ForgetGravity:
432     case StaticGravity:
433         if (show) x -= self->border_width;
434         else      x += self->border_width;
435         break;
436     }
437     switch(self->gravity) {
438     default:
439     case NorthWestGravity:
440     case NorthGravity:
441     case NorthEastGravity:
442         break;
443     case SouthWestGravity:
444     case SouthGravity:
445     case SouthEastGravity:
446         if (show) y -= self->border_width * 2;
447         else      y += self->border_width * 2;
448         break;
449     case WestGravity:
450     case EastGravity:
451     case CenterGravity:
452     case ForgetGravity:
453     case StaticGravity:
454         if (show) y -= self->border_width;
455         else      y += self->border_width;
456         break;
457     }
458     self->area.x = x;
459     self->area.y = y;
460
461     if (show) {
462         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
463
464         /* move the client so it is back it the right spot _with_ its
465            border! */
466         if (x != oldx || y != oldy)
467             XMoveWindow(ob_display, self->window, x, y);
468     } else
469         XSetWindowBorderWidth(ob_display, self->window, 0);
470 }
471
472
473 static void client_get_all(Client *self)
474 {
475     /* update EVERYTHING!! */
476
477     self->ignore_unmaps = 0;
478   
479     /* defaults */
480     self->frame = NULL;
481     self->title = self->icon_title = NULL;
482     self->name = self->class = self->role = NULL;
483     self->wmstate = NormalState;
484     self->transient = FALSE;
485     self->transients = NULL;
486     self->transient_for = NULL;
487     self->layer = -1;
488     self->urgent = FALSE;
489     self->positioned = FALSE;
490     self->disabled_decorations = 0;
491     self->group = NULL;
492     self->nicons = 0;
493
494     client_get_area(self);
495     client_get_desktop(self);
496     client_get_state(self);
497     client_get_shaped(self);
498
499     client_update_transient_for(self);
500     client_get_mwm_hints(self);
501     client_get_type(self);/* this can change the mwmhints for special cases */
502
503     client_update_protocols(self);
504
505     client_get_gravity(self); /* get the attribute gravity */
506     client_update_normal_hints(self); /* this may override the attribute
507                                          gravity */
508
509     /* got the type, the mwmhints, the protocols, and the normal hints
510        (min/max sizes), so we're ready to set up the decorations/functions */
511     client_setup_decor_and_functions(self);
512   
513     client_update_wmhints(self);
514     client_update_title(self);
515     client_update_icon_title(self);
516     client_update_class(self);
517     client_update_strut(self);
518     client_update_icons(self);
519     client_update_kwm_icon(self);
520
521     /* this makes sure that these windows appear on all desktops */
522     if (self->type == Type_Desktop)
523         self->desktop = DESKTOP_ALL;
524
525     /* set the desktop hint, to make sure that it always exists, and to
526        reflect any changes we've made here */
527     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
528
529     client_change_state(self);
530 }
531
532 static void client_get_area(Client *self)
533 {
534     XWindowAttributes wattrib;
535     Status ret;
536   
537     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
538     g_assert(ret != BadWindow);
539
540     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
541     self->border_width = wattrib.border_width;
542 }
543
544 static void client_get_desktop(Client *self)
545 {
546     guint32 d;
547
548     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
549         if (d >= screen_num_desktops && d != DESKTOP_ALL)
550             d = screen_num_desktops - 1;
551         self->desktop = d;
552     } else {
553         /* defaults to the current desktop */
554         self->desktop = screen_desktop;
555     }
556 }
557
558 static void client_get_state(Client *self)
559 {
560     guint32 *state;
561     guint num;
562   
563     self->modal = self->shaded = self->max_horz = self->max_vert =
564         self->fullscreen = self->above = self->below = self->iconic =
565         self->skip_taskbar = self->skip_pager = FALSE;
566
567     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
568         gulong i;
569         for (i = 0; i < num; ++i) {
570             if (state[i] == prop_atoms.net_wm_state_modal)
571                 self->modal = TRUE;
572             else if (state[i] == prop_atoms.net_wm_state_shaded)
573                 self->shaded = TRUE;
574             else if (state[i] == prop_atoms.net_wm_state_hidden)
575                 self->iconic = TRUE;
576             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
577                 self->skip_taskbar = TRUE;
578             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
579                 self->skip_pager = TRUE;
580             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
581                 self->fullscreen = TRUE;
582             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
583                 self->max_vert = TRUE;
584             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
585                 self->max_horz = TRUE;
586             else if (state[i] == prop_atoms.net_wm_state_above)
587                 self->above = TRUE;
588             else if (state[i] == prop_atoms.net_wm_state_below)
589                 self->below = TRUE;
590         }
591
592         g_free(state);
593     }
594 }
595
596 static void client_get_shaped(Client *self)
597 {
598     self->shaped = FALSE;
599 #ifdef   SHAPE
600     if (extensions_shape) {
601         int foo;
602         guint ufoo;
603         int s;
604
605         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
606
607         XShapeQueryExtents(ob_display, self->window, &s, &foo,
608                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
609                            &ufoo);
610         self->shaped = (s != 0);
611     }
612 #endif
613 }
614
615 void client_update_transient_for(Client *self)
616 {
617     Window t = None;
618     Client *c = NULL;
619
620     if (XGetTransientForHint(ob_display, self->window, &t) &&
621         t != self->window) { /* cant be transient to itself! */
622         self->transient = TRUE;
623         c = g_hash_table_lookup(client_map, &t);
624         g_assert(c != self);/* if this happens then we need to check for it*/
625
626         if (!c && self->group) {
627             /* not transient to a client, see if it is transient for a
628                group */
629             if (t == self->group->leader ||
630                 t == None ||
631                 t == ob_root) {
632                 /* window is a transient for its group! */
633                 c = TRAN_GROUP;
634             }
635         }
636     } else
637         self->transient = FALSE;
638
639     /* if anything has changed... */
640     if (c != self->transient_for) {
641         if (self->transient_for == TRAN_GROUP) { /* transient of group */
642             GSList *it;
643
644             /* remove from old parents */
645             for (it = self->group->members; it; it = it->next)
646                 if (it->data != self)
647                     ((Client*)it->data)->transients =
648                         g_slist_remove(((Client*)it->data)->transients, self);
649         } else if (self->transient_for != NULL) { /* transient of window */
650             /* remove from old parent */
651             self->transient_for->transients =
652                 g_slist_remove(self->transient_for->transients, self);
653         }
654         self->transient_for = c;
655         if (self->transient_for == TRAN_GROUP) { /* transient of group */
656             GSList *it;
657
658             /* add to new parents */
659             for (it = self->group->members; it; it = it->next)
660                 if (it->data != self)
661                     ((Client*)it->data)->transients =
662                         g_slist_append(((Client*)it->data)->transients, self);
663         } else if (self->transient_for != NULL) { /* transient of window */
664             /* add to new parent */
665             self->transient_for->transients =
666                 g_slist_append(self->transient_for->transients, self);
667         }
668     }
669 }
670
671 static void client_get_mwm_hints(Client *self)
672 {
673     guint num;
674     guint32 *hints;
675
676     self->mwmhints.flags = 0; /* default to none */
677
678     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
679                     &hints, &num)) {
680         if (num >= MWM_ELEMENTS) {
681             self->mwmhints.flags = hints[0];
682             self->mwmhints.functions = hints[1];
683             self->mwmhints.decorations = hints[2];
684         }
685         g_free(hints);
686     }
687 }
688
689 void client_get_type(Client *self)
690 {
691     guint num, i;
692     guint32 *val;
693
694     self->type = -1;
695   
696     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
697         /* use the first value that we know about in the array */
698         for (i = 0; i < num; ++i) {
699             if (val[i] == prop_atoms.net_wm_window_type_desktop)
700                 self->type = Type_Desktop;
701             else if (val[i] == prop_atoms.net_wm_window_type_dock)
702                 self->type = Type_Dock;
703             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
704                 self->type = Type_Toolbar;
705             else if (val[i] == prop_atoms.net_wm_window_type_menu)
706                 self->type = Type_Menu;
707             else if (val[i] == prop_atoms.net_wm_window_type_utility)
708                 self->type = Type_Utility;
709             else if (val[i] == prop_atoms.net_wm_window_type_splash)
710                 self->type = Type_Splash;
711             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
712                 self->type = Type_Dialog;
713             else if (val[i] == prop_atoms.net_wm_window_type_normal)
714                 self->type = Type_Normal;
715             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
716                 /* prevent this window from getting any decor or
717                    functionality */
718                 self->mwmhints.flags &= (MwmFlag_Functions |
719                                          MwmFlag_Decorations);
720                 self->mwmhints.decorations = 0;
721                 self->mwmhints.functions = 0;
722             }
723             if (self->type != (WindowType) -1)
724                 break; /* grab the first legit type */
725         }
726         g_free(val);
727     }
728     
729     if (self->type == (WindowType) -1) {
730         /*the window type hint was not set, which means we either classify
731           ourself as a normal window or a dialog, depending on if we are a
732           transient. */
733         if (self->transient)
734             self->type = Type_Dialog;
735         else
736             self->type = Type_Normal;
737     }
738 }
739
740 void client_update_protocols(Client *self)
741 {
742     guint32 *proto;
743     guint num_return, i;
744
745     self->focus_notify = FALSE;
746     self->delete_window = FALSE;
747
748     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
749         for (i = 0; i < num_return; ++i) {
750             if (proto[i] == prop_atoms.wm_delete_window) {
751                 /* this means we can request the window to close */
752                 self->delete_window = TRUE;
753             } else if (proto[i] == prop_atoms.wm_take_focus)
754                 /* if this protocol is requested, then the window will be
755                    notified whenever we want it to receive focus */
756                 self->focus_notify = TRUE;
757         }
758         g_free(proto);
759     }
760 }
761
762 static void client_get_gravity(Client *self)
763 {
764     XWindowAttributes wattrib;
765     Status ret;
766
767     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
768     g_assert(ret != BadWindow);
769     self->gravity = wattrib.win_gravity;
770 }
771
772 void client_update_normal_hints(Client *self)
773 {
774     XSizeHints size;
775     long ret;
776     int oldgravity = self->gravity;
777
778     /* defaults */
779     self->min_ratio = 0.0f;
780     self->max_ratio = 0.0f;
781     SIZE_SET(self->size_inc, 1, 1);
782     SIZE_SET(self->base_size, 0, 0);
783     SIZE_SET(self->min_size, 0, 0);
784     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
785
786     /* get the hints from the window */
787     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
788         self->positioned = !!(size.flags & (PPosition|USPosition));
789
790         if (size.flags & PWinGravity) {
791             self->gravity = size.win_gravity;
792       
793             /* if the client has a frame, i.e. has already been mapped and
794                is changing its gravity */
795             if (self->frame && self->gravity != oldgravity) {
796                 /* move our idea of the client's position based on its new
797                    gravity */
798                 self->area.x = self->frame->area.x;
799                 self->area.y = self->frame->area.y;
800                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
801             }
802         }
803
804         if (size.flags & PAspect) {
805             if (size.min_aspect.y)
806                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
807             if (size.max_aspect.y)
808                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
809         }
810
811         if (size.flags & PMinSize)
812             SIZE_SET(self->min_size, size.min_width, size.min_height);
813     
814         if (size.flags & PMaxSize)
815             SIZE_SET(self->max_size, size.max_width, size.max_height);
816     
817         if (size.flags & PBaseSize)
818             SIZE_SET(self->base_size, size.base_width, size.base_height);
819     
820         if (size.flags & PResizeInc)
821             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
822     }
823 }
824
825 void client_setup_decor_and_functions(Client *self)
826 {
827     /* start with everything (cept fullscreen) */
828     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
829         Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize |
830         Decor_Shade;
831     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
832         Func_Shade;
833     if (self->delete_window) {
834         self->decorations |= Decor_Close;
835         self->functions |= Func_Close;
836     }
837
838     if (!(self->min_size.width < self->max_size.width ||
839           self->min_size.height < self->max_size.height)) {
840         self->decorations &= ~(Decor_Maximize | Decor_Handle);
841         self->functions &= ~(Func_Resize | Func_Maximize);
842     }
843
844     switch (self->type) {
845     case Type_Normal:
846         /* normal windows retain all of the possible decorations and
847            functionality, and are the only windows that you can fullscreen */
848         self->functions |= Func_Fullscreen;
849         break;
850
851     case Type_Dialog:
852     case Type_Utility:
853         /* these windows cannot be maximized */
854         self->decorations &= ~Decor_Maximize;
855         self->functions &= ~Func_Maximize;
856         break;
857
858     case Type_Menu:
859     case Type_Toolbar:
860         /* these windows get less functionality */
861         self->decorations &= ~(Decor_Iconify | Decor_Handle);
862         self->functions &= ~(Func_Iconify | Func_Resize);
863         break;
864
865     case Type_Desktop:
866     case Type_Dock:
867     case Type_Splash:
868         /* none of these windows are manipulated by the window manager */
869         self->decorations = 0;
870         self->functions = 0;
871         break;
872     }
873
874     /* Mwm Hints are applied subtractively to what has already been chosen for
875        decor and functionality */
876     if (self->mwmhints.flags & MwmFlag_Decorations) {
877         if (! (self->mwmhints.decorations & MwmDecor_All)) {
878             if (! (self->mwmhints.decorations & MwmDecor_Border))
879                 self->decorations &= ~Decor_Border;
880             if (! (self->mwmhints.decorations & MwmDecor_Handle))
881                 self->decorations &= ~Decor_Handle;
882             if (! (self->mwmhints.decorations & MwmDecor_Title))
883                 self->decorations &= ~Decor_Titlebar;
884             if (! (self->mwmhints.decorations & MwmDecor_Iconify))
885                 self->decorations &= ~Decor_Iconify;
886             if (! (self->mwmhints.decorations & MwmDecor_Maximize))
887                 self->decorations &= ~Decor_Maximize;
888         }
889     }
890
891     if (self->mwmhints.flags & MwmFlag_Functions) {
892         if (! (self->mwmhints.functions & MwmFunc_All)) {
893             if (! (self->mwmhints.functions & MwmFunc_Resize))
894                 self->functions &= ~Func_Resize;
895             if (! (self->mwmhints.functions & MwmFunc_Move))
896                 self->functions &= ~Func_Move;
897             if (! (self->mwmhints.functions & MwmFunc_Iconify))
898                 self->functions &= ~Func_Iconify;
899             if (! (self->mwmhints.functions & MwmFunc_Maximize))
900                 self->functions &= ~Func_Maximize;
901             /* dont let mwm hints kill the close button
902                if (! (self->mwmhints.functions & MwmFunc_Close))
903                self->functions &= ~Func_Close; */
904         }
905     }
906
907     /* can't maximize without moving/resizing */
908     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
909         self->functions &= ~(Func_Maximize | Func_Fullscreen);
910
911     /* finally, user specified disabled decorations are applied to subtract
912        decorations */
913     if (self->disabled_decorations & Decor_Titlebar)
914         self->decorations &= ~Decor_Titlebar;
915     if (self->disabled_decorations & Decor_Handle)
916         self->decorations &= ~Decor_Handle;
917     if (self->disabled_decorations & Decor_Border)
918         self->decorations &= ~Decor_Border;
919     if (self->disabled_decorations & Decor_Iconify)
920         self->decorations &= ~Decor_Iconify;
921     if (self->disabled_decorations & Decor_Maximize)
922         self->decorations &= ~Decor_Maximize;
923     if (self->disabled_decorations & Decor_AllDesktops)
924         self->decorations &= ~Decor_AllDesktops;
925     if (self->disabled_decorations & Decor_Shade)
926         self->decorations &= ~Decor_Shade;
927     if (self->disabled_decorations & Decor_Close)
928         self->decorations &= ~Decor_Close;
929
930     /* if we don't have a titlebar, then we cannot shade! */
931     if (!(self->decorations & Decor_Titlebar))
932         self->functions &= ~Func_Shade;
933
934     /* now we need to check against rules for the client's current state */
935     if (self->fullscreen) {
936         self->functions &= (Func_Close | Func_Fullscreen | Func_Iconify);
937         self->decorations = 0;
938     }
939
940     client_change_allowed_actions(self);
941
942     if (self->frame) {
943         /* change the decors on the frame, and with more/less decorations,
944            we may also need to be repositioned */
945         frame_adjust_area(self->frame, TRUE, TRUE);
946         /* with new decor, the window's maximized size may change */
947         client_remaximize(self);
948     }
949 }
950
951 static void client_change_allowed_actions(Client *self)
952 {
953     guint32 actions[9];
954     int num = 0;
955
956     actions[num++] = prop_atoms.net_wm_action_change_desktop;
957
958     if (self->functions & Func_Shade)
959         actions[num++] = prop_atoms.net_wm_action_shade;
960     if (self->functions & Func_Close)
961         actions[num++] = prop_atoms.net_wm_action_close;
962     if (self->functions & Func_Move)
963         actions[num++] = prop_atoms.net_wm_action_move;
964     if (self->functions & Func_Iconify)
965         actions[num++] = prop_atoms.net_wm_action_minimize;
966     if (self->functions & Func_Resize)
967         actions[num++] = prop_atoms.net_wm_action_resize;
968     if (self->functions & Func_Fullscreen)
969         actions[num++] = prop_atoms.net_wm_action_fullscreen;
970     if (self->functions & Func_Maximize) {
971         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
972         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
973     }
974
975     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
976
977     /* make sure the window isn't breaking any rules now */
978
979     if (!(self->functions & Func_Shade) && self->shaded) {
980         if (self->frame) client_shade(self, FALSE);
981         else self->shaded = FALSE;
982     }
983     if (!(self->functions & Func_Iconify) && self->iconic) {
984         g_message("UNSETTING ICONIC");
985         if (self->frame) client_iconify(self, FALSE, TRUE);
986         else self->iconic = FALSE;
987     }
988     if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
989         if (self->frame) client_fullscreen(self, FALSE, TRUE);
990         else self->fullscreen = FALSE;
991     }
992     if (!(self->functions & Func_Maximize) && (self->max_horz ||
993                                                self->max_vert)) {
994         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
995         else self->max_vert = self->max_horz = FALSE;
996     }
997 }
998
999 void client_remaximize(Client *self)
1000 {
1001     int dir;
1002     if (self->max_horz && self->max_vert)
1003         dir = 0;
1004     else if (self->max_horz)
1005         dir = 1;
1006     else if (self->max_vert)
1007         dir = 2;
1008     else
1009         return; /* not maximized */
1010     self->max_horz = self->max_vert = FALSE;
1011     client_maximize(self, TRUE, dir, FALSE);
1012 }
1013
1014 void client_update_wmhints(Client *self)
1015 {
1016     XWMHints *hints;
1017     gboolean ur = FALSE;
1018
1019     /* assume a window takes input if it doesnt specify */
1020     self->can_focus = TRUE;
1021   
1022     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1023         if (hints->flags & InputHint)
1024             self->can_focus = hints->input;
1025
1026         /* only do this when first managing the window *AND* when we aren't
1027            starting up! */
1028         if (ob_state != State_Starting && self->frame == NULL)
1029             if (hints->flags & StateHint)
1030                 self->iconic = hints->initial_state == IconicState;
1031
1032         if (hints->flags & XUrgencyHint)
1033             ur = TRUE;
1034
1035         if (!(hints->flags & WindowGroupHint))
1036             hints->window_group = None; /* no group */
1037         /* did the group state change? */
1038         if (hints->window_group != (self->group ? self->group->leader : None)){
1039             /* remove from the old group if there was one */
1040             if (self->group != NULL)
1041                 group_remove(self->group, self);
1042             if (hints->window_group != None)
1043                 self->group = group_add(hints->window_group, self);
1044
1045             /* because the self->transient flag wont change from this call,
1046                we don't need to update the window's type and such, only its
1047                transient_for, and the transients lists of other windows in the
1048                group may be affected */
1049             client_update_transient_for(self);
1050         }
1051
1052         if (hints->flags & IconPixmapHint) {
1053             client_update_kwm_icon(self);
1054             /* try get the kwm icon first, this is a fallback only */
1055             if (self->pixmap_icon == None) {
1056                 self->pixmap_icon = hints->icon_pixmap;
1057                 if (hints->flags & IconMaskHint)
1058                     self->pixmap_icon_mask = hints->icon_mask;
1059                 else
1060                     self->pixmap_icon_mask = None;
1061
1062                 if (self->frame)
1063                     frame_adjust_icon(self->frame);
1064             }
1065         }
1066
1067         XFree(hints);
1068     }
1069
1070     if (ur != self->urgent) {
1071         self->urgent = ur;
1072         g_message("Urgent Hint for 0x%lx: %s", self->window,
1073                   ur ? "ON" : "OFF");
1074         /* fire the urgent callback if we're mapped, otherwise, wait until
1075            after we're mapped */
1076         if (self->frame)
1077             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1078     }
1079 }
1080
1081 void client_update_title(Client *self)
1082 {
1083     char *data = NULL;
1084
1085     g_free(self->title);
1086      
1087     /* try netwm */
1088     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1089         /* try old x stuff */
1090         if (!PROP_GETS(self->window, wm_name, locale, &data))
1091             data = g_strdup("Unnamed Window");
1092
1093     /* look for duplicates and append a number */
1094
1095     PROP_SETS(self->window, net_wm_visible_name, data);
1096
1097     self->title = data;
1098
1099     if (self->frame)
1100         frame_adjust_title(self->frame);
1101 }
1102
1103 void client_update_icon_title(Client *self)
1104 {
1105     char *data = NULL;
1106
1107     g_free(self->icon_title);
1108      
1109     /* try netwm */
1110     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1111         /* try old x stuff */
1112         if (!PROP_GETS(self->window, wm_icon_name, locale, &data))
1113             data = g_strdup("Unnamed Window");
1114
1115     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1116
1117     self->icon_title = data;
1118 }
1119
1120 void client_update_class(Client *self)
1121 {
1122     char **data;
1123     char *s;
1124
1125     if (self->name) g_free(self->name);
1126     if (self->class) g_free(self->class);
1127     if (self->role) g_free(self->role);
1128
1129     self->name = self->class = self->role = NULL;
1130
1131     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1132         if (data[0]) {
1133             self->name = g_strdup(data[0]);
1134             if (data[1])
1135                 self->class = g_strdup(data[1]);
1136         }
1137         g_strfreev(data);     
1138     }
1139
1140     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1141         self->role = g_strdup(s);
1142
1143     if (self->name == NULL) self->name = g_strdup("");
1144     if (self->class == NULL) self->class = g_strdup("");
1145     if (self->role == NULL) self->role = g_strdup("");
1146 }
1147
1148 void client_update_strut(Client *self)
1149 {
1150     guint num;
1151     guint32 *data;
1152
1153     if (!PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1154         STRUT_SET(self->strut, 0, 0, 0, 0);
1155     } else {
1156         if (num == 4)
1157             STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
1158         else
1159             STRUT_SET(self->strut, 0, 0, 0, 0);
1160         g_free(data);
1161     }
1162
1163     /* updating here is pointless while we're being mapped cuz we're not in
1164        the client list yet */
1165     if (self->frame)
1166         screen_update_struts();
1167 }
1168
1169 void client_update_icons(Client *self)
1170 {
1171     guint num;
1172     guint32 *data;
1173     guint w, h, i;
1174     int j;
1175
1176     for (j = 0; j < self->nicons; ++j)
1177         g_free(self->icons[j].data);
1178     if (self->nicons > 0)
1179         g_free(self->icons);
1180     self->nicons = 0;
1181
1182     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1183         /* figure out how many valid icons are in here */
1184         i = 0;
1185         while (num - i > 2) {
1186             w = data[i++];
1187             h = data[i++];
1188             i += w * h;
1189             if (i > num) break;
1190             ++self->nicons;
1191         }
1192
1193         self->icons = g_new(Icon, self->nicons);
1194     
1195         /* store the icons */
1196         i = 0;
1197         for (j = 0; j < self->nicons; ++j) {
1198             w = self->icons[j].width = data[i++];
1199             h = self->icons[j].height = data[i++];
1200             self->icons[j].data =
1201                 g_memdup(&data[i], w * h * sizeof(gulong));
1202             i += w * h;
1203             g_assert(i <= num);
1204         }
1205
1206         g_free(data);
1207     }
1208
1209     if (self->frame)
1210         frame_adjust_icon(self->frame);
1211 }
1212
1213 void client_update_kwm_icon(Client *self)
1214 {
1215     guint num;
1216     guint32 *data;
1217
1218     if (!PROP_GETA32(self->window, kwm_win_icon, kwm_win_icon, &data, &num)) {
1219         self->pixmap_icon = self->pixmap_icon_mask = None;
1220     } else {
1221         if (num == 2) {
1222             self->pixmap_icon = data[0];
1223             self->pixmap_icon_mask = data[1];
1224         } else
1225             self->pixmap_icon = self->pixmap_icon_mask = None;
1226         g_free(data);
1227     }
1228     if (self->frame)
1229         frame_adjust_icon(self->frame);
1230 }
1231
1232 static void client_change_state(Client *self)
1233 {
1234     guint32 state[2];
1235     guint32 netstate[10];
1236     guint num;
1237
1238     state[0] = self->wmstate;
1239     state[1] = None;
1240     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1241
1242     num = 0;
1243     if (self->modal)
1244         netstate[num++] = prop_atoms.net_wm_state_modal;
1245     if (self->shaded)
1246         netstate[num++] = prop_atoms.net_wm_state_shaded;
1247     if (self->iconic)
1248         netstate[num++] = prop_atoms.net_wm_state_hidden;
1249     if (self->skip_taskbar)
1250         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1251     if (self->skip_pager)
1252         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1253     if (self->fullscreen)
1254         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1255     if (self->max_vert)
1256         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1257     if (self->max_horz)
1258         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1259     if (self->above)
1260         netstate[num++] = prop_atoms.net_wm_state_above;
1261     if (self->below)
1262         netstate[num++] = prop_atoms.net_wm_state_below;
1263     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1264
1265     client_calc_layer(self);
1266
1267     if (self->frame)
1268         frame_adjust_state(self->frame);
1269 }
1270
1271 static Client *search_focus_tree(Client *node, Client *skip)
1272 {
1273     GSList *it;
1274     Client *ret;
1275
1276     for (it = node->transients; it != NULL; it = it->next) {
1277         Client *c = it->data;
1278         if (c == skip) continue; /* circular? */
1279         if ((ret = search_focus_tree(c, skip))) return ret;
1280         if (client_focused(c)) return c;
1281     }
1282     return NULL;
1283 }
1284
1285 static void calc_recursive(Client *self, StackLayer l, gboolean raised)
1286 {
1287     StackLayer old;
1288     GSList *it;
1289
1290     old = self->layer;
1291     self->layer = l;
1292
1293     for (it = self->transients; it; it = it->next)
1294         calc_recursive(it->data, l, raised ? raised : l != old);
1295
1296     if (!raised && l != old)
1297         if (self->frame)
1298             stacking_raise(self);
1299 }
1300
1301 void client_calc_layer(Client *self)
1302 {
1303     StackLayer l;
1304     gboolean f;
1305
1306     /* transients take on the layer of their parents */
1307     if (self->transient_for) {
1308         if (self->transient_for != TRAN_GROUP) {
1309             self = self->transient_for;
1310         } else {
1311             GSList *it;
1312
1313             for (it = self->group->members; it; it = it->next)
1314                 if (it->data != self &&
1315                     ((Client*)it->data)->transient_for != TRAN_GROUP) {
1316                     self = it->data;
1317                     break;
1318                 }
1319         }
1320     }
1321
1322     /* is us or one of our transients focused? */
1323     if (client_focused(self))
1324         f = TRUE;
1325     else if (search_focus_tree(self, self))
1326         f = TRUE;
1327     else
1328         f = FALSE;
1329
1330     if (self->iconic) l = Layer_Icon;
1331     /* fullscreen windows are only in the fullscreen layer while focused */
1332     else if (self->fullscreen && f) l = Layer_Fullscreen;
1333     else if (self->type == Type_Desktop) l = Layer_Desktop;
1334     else if (self->type == Type_Dock) {
1335         if (!self->below) l = Layer_Top;
1336         else l = Layer_Normal;
1337     }
1338     else if (self->above) l = Layer_Above;
1339     else if (self->below) l = Layer_Below;
1340     else l = Layer_Normal;
1341
1342     calc_recursive(self, l, FALSE);
1343 }
1344
1345 gboolean client_should_show(Client *self)
1346 {
1347     if (self->iconic) return FALSE;
1348     else if (!(self->desktop == screen_desktop ||
1349                self->desktop == DESKTOP_ALL)) return FALSE;
1350     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1351     
1352     return TRUE;
1353 }
1354
1355 static void client_showhide(Client *self)
1356 {
1357
1358     if (client_should_show(self))
1359         frame_show(self->frame);
1360     else
1361         frame_hide(self->frame);
1362 }
1363
1364 gboolean client_normal(Client *self) {
1365     return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1366               self->type == Type_Splash);
1367 }
1368
1369 static void client_apply_startup_state(Client *self)
1370 {
1371     /* these are in a carefully crafted order.. */
1372
1373     if (self->iconic) {
1374         self->iconic = FALSE;
1375         client_iconify(self, TRUE, FALSE);
1376     }
1377     if (self->fullscreen) {
1378         self->fullscreen = FALSE;
1379         client_fullscreen(self, TRUE, FALSE);
1380     }
1381     if (self->shaded) {
1382         self->shaded = FALSE;
1383         client_shade(self, TRUE);
1384     }
1385     if (self->urgent)
1386         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1387   
1388     if (self->max_vert && self->max_horz) {
1389         self->max_vert = self->max_horz = FALSE;
1390         client_maximize(self, TRUE, 0, FALSE);
1391     } else if (self->max_vert) {
1392         self->max_vert = FALSE;
1393         client_maximize(self, TRUE, 2, FALSE);
1394     } else if (self->max_horz) {
1395         self->max_horz = FALSE;
1396         client_maximize(self, TRUE, 1, FALSE);
1397     }
1398
1399     /* nothing to do for the other states:
1400        skip_taskbar
1401        skip_pager
1402        modal
1403        above
1404        below
1405     */
1406 }
1407
1408 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1409                       gboolean user, gboolean final)
1410 {
1411     gboolean moved = FALSE, resized = FALSE;
1412
1413     /* gets the frame's position */
1414     frame_client_gravity(self->frame, &x, &y);
1415
1416     /* these positions are frame positions, not client positions */
1417
1418     /* set the size and position if fullscreen */
1419     if (self->fullscreen) {
1420         x = 0;
1421         y = 0;
1422         w = screen_physical_size.width;
1423         h = screen_physical_size.height;
1424         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1425     } else {
1426         /* set the size and position if maximized */
1427         if (self->max_horz) {
1428             x = screen_area(self->desktop)->x - self->frame->size.left;
1429             w = screen_area(self->desktop)->width;
1430         }
1431         if (self->max_vert) {
1432             y = screen_area(self->desktop)->y;
1433             h = screen_area(self->desktop)->height -
1434                 self->frame->size.top - self->frame->size.bottom;
1435         }
1436     }
1437
1438     /* gets the client's position */
1439     frame_frame_gravity(self->frame, &x, &y);
1440
1441     /* these override the above states! if you cant move you can't move! */
1442     if (user) {
1443         if (!(self->functions & Func_Move)) {
1444             x = self->area.x;
1445             y = self->area.y;
1446         }
1447         if (!(self->functions & Func_Resize)) {
1448             w = self->area.width;
1449             h = self->area.height;
1450         }
1451     }
1452
1453     if (!(w == self->area.width && h == self->area.height)) {
1454         w -= self->base_size.width;
1455         h -= self->base_size.height;
1456
1457         if (user) {
1458             /* for interactive resizing. have to move half an increment in each
1459                direction. */
1460
1461             /* how far we are towards the next size inc */
1462             int mw = w % self->size_inc.width; 
1463             int mh = h % self->size_inc.height;
1464             /* amount to add */
1465             int aw = self->size_inc.width / 2;
1466             int ah = self->size_inc.height / 2;
1467             /* don't let us move into a new size increment */
1468             if (mw + aw >= self->size_inc.width)
1469                 aw = self->size_inc.width - mw - 1;
1470             if (mh + ah >= self->size_inc.height)
1471                 ah = self->size_inc.height - mh - 1;
1472             w += aw;
1473             h += ah;
1474     
1475             /* if this is a user-requested resize, then check against min/max
1476                sizes and aspect ratios */
1477
1478             /* smaller than min size or bigger than max size? */
1479             if (w > self->max_size.width) w = self->max_size.width;
1480             if (w < self->min_size.width) w = self->min_size.width;
1481             if (h > self->max_size.height) h = self->max_size.height;
1482             if (h < self->min_size.height) h = self->min_size.height;
1483
1484             /* adjust the height ot match the width for the aspect ratios */
1485             if (self->min_ratio)
1486                 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1487             if (self->max_ratio)
1488                 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1489         }
1490
1491         /* keep to the increments */
1492         w /= self->size_inc.width;
1493         h /= self->size_inc.height;
1494
1495         /* you cannot resize to nothing */
1496         if (w < 1) w = 1;
1497         if (h < 1) h = 1;
1498   
1499         /* store the logical size */
1500         SIZE_SET(self->logical_size, w, h);
1501
1502         w *= self->size_inc.width;
1503         h *= self->size_inc.height;
1504
1505         w += self->base_size.width;
1506         h += self->base_size.height;
1507     }
1508
1509     switch (anchor) {
1510     case Corner_TopLeft:
1511         break;
1512     case Corner_TopRight:
1513         x -= w - self->area.width;
1514         break;
1515     case Corner_BottomLeft:
1516         y -= h - self->area.height;
1517         break;
1518     case Corner_BottomRight:
1519         x -= w - self->area.width;
1520         y -= h - self->area.height;
1521         break;
1522     }
1523
1524     moved = x != self->area.x || y != self->area.y;
1525     resized = w != self->area.width || h != self->area.height;
1526
1527     RECT_SET(self->area, x, y, w, h);
1528
1529     if (resized)
1530         XResizeWindow(ob_display, self->window, w, h);
1531
1532     /* move/resize the frame to match the request */
1533     if (self->frame) {
1534         if (moved || resized)
1535             frame_adjust_area(self->frame, moved, resized);
1536
1537         if (!user || final) {
1538             XEvent event;
1539             event.type = ConfigureNotify;
1540             event.xconfigure.display = ob_display;
1541             event.xconfigure.event = self->window;
1542             event.xconfigure.window = self->window;
1543     
1544             /* root window coords with border in mind */
1545             event.xconfigure.x = x - self->border_width +
1546                 self->frame->size.left;
1547             event.xconfigure.y = y - self->border_width +
1548                 self->frame->size.top;
1549     
1550             event.xconfigure.width = self->area.width;
1551             event.xconfigure.height = self->area.height;
1552             event.xconfigure.border_width = self->border_width;
1553             event.xconfigure.above = self->frame->plate;
1554             event.xconfigure.override_redirect = FALSE;
1555             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1556                        FALSE, StructureNotifyMask, &event);
1557         }
1558     }
1559 }
1560
1561 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1562 {
1563     int x, y, w, h;
1564
1565     if (!(self->functions & Func_Fullscreen) || /* can't */
1566         self->fullscreen == fs) return;         /* already done */
1567
1568     self->fullscreen = fs;
1569     client_change_state(self); /* change the state hints on the client,
1570                                   and adjust out layer/stacking */
1571
1572     if (fs) {
1573         if (savearea) {
1574             guint32 dimensions[4];
1575             dimensions[0] = self->area.x;
1576             dimensions[1] = self->area.y;
1577             dimensions[2] = self->area.width;
1578             dimensions[3] = self->area.height;
1579   
1580             PROP_SETA32(self->window, openbox_premax, cardinal,
1581                         dimensions, 4);
1582         }
1583
1584         /* these are not actually used cuz client_configure will set them
1585            as appropriate when the window is fullscreened */
1586         x = y = w = h = 0;
1587     } else {
1588         guint num;
1589         gint32 *dimensions;
1590
1591         /* pick some fallbacks... */
1592         x = screen_area(self->desktop)->x +
1593             screen_area(self->desktop)->width / 4;
1594         y = screen_area(self->desktop)->y +
1595             screen_area(self->desktop)->height / 4;
1596         w = screen_area(self->desktop)->width / 2;
1597         h = screen_area(self->desktop)->height / 2;
1598
1599         if (PROP_GETA32(self->window, openbox_premax, cardinal,
1600                         (guint32**)&dimensions, &num)) {
1601             if (num == 4) {
1602                 x = dimensions[0];
1603                 y = dimensions[1];
1604                 w = dimensions[2];
1605                 h = dimensions[3];
1606             }
1607             g_free(dimensions);
1608         }
1609     }
1610
1611     client_setup_decor_and_functions(self);
1612
1613     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1614
1615     /* try focus us when we go into fullscreen mode */
1616     client_focus(self);
1617 }
1618
1619 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1620 {
1621     GSList *it;
1622
1623     /* move up the transient chain as far as possible first if deiconifying */
1624     if (!iconic)
1625         while (self->transient_for) {
1626             if (self->transient_for != TRAN_GROUP) {
1627                 if (self->transient_for->iconic == iconic)
1628                     break;
1629                 self = self->transient_for;
1630             } else {
1631                 GSList *it;
1632
1633                 /* the check for TRAN_GROUP is to prevent an infinate loop with
1634                    2 transients of the same group at the head of the group's
1635                    members list */
1636                 for (it = self->group->members; it; it = it->next) {
1637                     Client *c = it->data;
1638
1639                     if (c != self && c->transient_for->iconic != iconic &&
1640                         c->transient_for != TRAN_GROUP) {
1641                         self = it->data;
1642                         break;
1643                     }
1644                 }
1645                 if (it == NULL) break;
1646             }
1647         }
1648
1649     if (self->iconic == iconic) return; /* nothing to do */
1650
1651     g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1652               self->window);
1653
1654     self->iconic = iconic;
1655
1656     if (iconic) {
1657         self->wmstate = IconicState;
1658         self->ignore_unmaps++;
1659         /* we unmap the client itself so that we can get MapRequest events,
1660            and because the ICCCM tells us to! */
1661         XUnmapWindow(ob_display, self->window);
1662     } else {
1663         if (curdesk)
1664             client_set_desktop(self, screen_desktop, FALSE);
1665         self->wmstate = self->shaded ? IconicState : NormalState;
1666         XMapWindow(ob_display, self->window);
1667     }
1668     client_change_state(self);
1669     client_showhide(self);
1670     screen_update_struts();
1671
1672     dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1673                     self, 0, 0);
1674
1675     /* iconify all transients */
1676     for (it = self->transients; it != NULL; it = it->next)
1677         if (it->data != self) client_iconify(it->data, iconic, curdesk);
1678 }
1679
1680 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1681 {
1682     int x, y, w, h;
1683      
1684     g_assert(dir == 0 || dir == 1 || dir == 2);
1685     if (!(self->functions & Func_Maximize)) return; /* can't */
1686
1687     /* check if already done */
1688     if (max) {
1689         if (dir == 0 && self->max_horz && self->max_vert) return;
1690         if (dir == 1 && self->max_horz) return;
1691         if (dir == 2 && self->max_vert) return;
1692     } else {
1693         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1694         if (dir == 1 && !self->max_horz) return;
1695         if (dir == 2 && !self->max_vert) return;
1696     }
1697
1698     /* work with the frame's coords */
1699     x = self->frame->area.x;
1700     y = self->frame->area.y;
1701     w = self->area.width;
1702     h = self->area.height;
1703
1704     if (max) {
1705         if (savearea) {
1706             gint32 dimensions[4];
1707             gint32 *readdim;
1708             guint num;
1709
1710             dimensions[0] = x;
1711             dimensions[1] = y;
1712             dimensions[2] = w;
1713             dimensions[3] = h;
1714
1715             /* get the property off the window and use it for the dimensions
1716                we are already maxed on */
1717             if (PROP_GETA32(self->window, openbox_premax, cardinal,
1718                             (guint32**)&readdim, &num)) {
1719                 if (num == 4) {
1720                     if (self->max_horz) {
1721                         dimensions[0] = readdim[0];
1722                         dimensions[2] = readdim[2];
1723                     }
1724                     if (self->max_vert) {
1725                         dimensions[1] = readdim[1];
1726                         dimensions[3] = readdim[3];
1727                     }
1728                 }
1729                 g_free(readdim);
1730             }
1731
1732             PROP_SETA32(self->window, openbox_premax, cardinal,
1733                         (guint32*)dimensions, 4);
1734         }
1735     } else {
1736         guint num;
1737         gint32 *dimensions;
1738
1739         /* pick some fallbacks... */
1740         if (dir == 0 || dir == 1) { /* horz */
1741             x = screen_area(self->desktop)->x +
1742                 screen_area(self->desktop)->width / 4;
1743             w = screen_area(self->desktop)->width / 2;
1744         }
1745         if (dir == 0 || dir == 2) { /* vert */
1746             y = screen_area(self->desktop)->y +
1747                 screen_area(self->desktop)->height / 4;
1748             h = screen_area(self->desktop)->height / 2;
1749         }
1750
1751         if (PROP_GETA32(self->window, openbox_premax, cardinal,
1752                         (guint32**)&dimensions, &num)) {
1753             if (num == 4) {
1754                 if (dir == 0 || dir == 1) { /* horz */
1755                     x = dimensions[0];
1756                     w = dimensions[2];
1757                 }
1758                 if (dir == 0 || dir == 2) { /* vert */
1759                     y = dimensions[1];
1760                     h = dimensions[3];
1761                 }
1762             }
1763             g_free(dimensions);
1764         }
1765     }
1766
1767     if (dir == 0 || dir == 1) /* horz */
1768         self->max_horz = max;
1769     if (dir == 0 || dir == 2) /* vert */
1770         self->max_vert = max;
1771
1772     if (!self->max_horz && !self->max_vert)
1773         PROP_ERASE(self->window, openbox_premax);
1774
1775     client_change_state(self); /* change the state hints on the client */
1776
1777     /* figure out where the client should be going */
1778     frame_frame_gravity(self->frame, &x, &y);
1779     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1780 }
1781
1782 void client_shade(Client *self, gboolean shade)
1783 {
1784     if ((!(self->functions & Func_Shade) && shade) || /* can't shade */
1785         self->shaded == shade) return;     /* already done */
1786
1787     /* when we're iconic, don't change the wmstate */
1788     if (!self->iconic)
1789         self->wmstate = shade ? IconicState : NormalState;
1790     self->shaded = shade;
1791     client_change_state(self);
1792     /* resize the frame to just the titlebar */
1793     frame_adjust_area(self->frame, FALSE, FALSE);
1794 }
1795
1796 void client_close(Client *self)
1797 {
1798     XEvent ce;
1799
1800     if (!(self->functions & Func_Close)) return;
1801
1802     /*
1803       XXX: itd be cool to do timeouts and shit here for killing the client's
1804       process off
1805       like... if the window is around after 5 seconds, then the close button
1806       turns a nice red, and if this function is called again, the client is
1807       explicitly killed.
1808     */
1809
1810     ce.xclient.type = ClientMessage;
1811     ce.xclient.message_type =  prop_atoms.wm_protocols;
1812     ce.xclient.display = ob_display;
1813     ce.xclient.window = self->window;
1814     ce.xclient.format = 32;
1815     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1816     ce.xclient.data.l[1] = event_lasttime;
1817     ce.xclient.data.l[2] = 0l;
1818     ce.xclient.data.l[3] = 0l;
1819     ce.xclient.data.l[4] = 0l;
1820     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1821 }
1822
1823 void client_kill(Client *self)
1824 {
1825     XKillClient(ob_display, self->window);
1826 }
1827
1828 void client_set_desktop(Client *self, guint target, gboolean donthide)
1829 {
1830     guint old, i;
1831
1832     if (target == self->desktop) return;
1833   
1834     g_message("Setting desktop %u", target);
1835
1836     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1837
1838     old = self->desktop;
1839     self->desktop = target;
1840     PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1841     /* the frame can display the current desktop state */
1842     frame_adjust_state(self->frame);
1843     /* 'move' the window to the new desktop */
1844     if (!donthide)
1845         client_showhide(self);
1846     /* raise if it was not already on the desktop */
1847     if (old != DESKTOP_ALL)
1848         stacking_raise(self);
1849     screen_update_struts();
1850
1851     /* update the focus lists */
1852     if (old == DESKTOP_ALL) {
1853         for (i = 0; i < screen_num_desktops; ++i)
1854             focus_order[i] = g_list_remove(focus_order[i], self);
1855     } else
1856         focus_order[old] = g_list_remove(focus_order[old], self);
1857     if (target == DESKTOP_ALL) {
1858         for (i = 0; i < screen_num_desktops; ++i) {
1859             if (config_focus_new)
1860                 focus_order[i] = g_list_prepend(focus_order[i], self);
1861             else
1862                 focus_order[i] = g_list_append(focus_order[i], self);
1863         }
1864     } else {
1865         if (config_focus_new)
1866             focus_order[target] = g_list_prepend(focus_order[target], self);
1867         else
1868             focus_order[target] = g_list_append(focus_order[target], self);
1869     }
1870
1871     dispatch_client(Event_Client_Desktop, self, target, old);
1872 }
1873
1874 static Client *search_modal_tree(Client *node, Client *skip)
1875 {
1876     GSList *it;
1877     Client *ret;
1878   
1879     for (it = node->transients; it != NULL; it = it->next) {
1880         Client *c = it->data;
1881         if (c == skip) continue; /* circular? */
1882         if ((ret = search_modal_tree(c, skip))) return ret;
1883         if (c->modal) return c;
1884     }
1885     return NULL;
1886 }
1887
1888 Client *client_find_modal_child(Client *self)
1889 {
1890     return search_modal_tree(self, self);
1891 }
1892
1893 gboolean client_validate(Client *self)
1894 {
1895     XEvent e; 
1896
1897     XSync(ob_display, FALSE); /* get all events on the server */
1898
1899     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1900         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1901         XPutBackEvent(ob_display, &e);
1902         return FALSE;
1903     }
1904
1905     return TRUE;
1906 }
1907
1908 void client_set_wm_state(Client *self, long state)
1909 {
1910     if (state == self->wmstate) return; /* no change */
1911   
1912     switch (state) {
1913     case IconicState:
1914         client_iconify(self, TRUE, TRUE);
1915         break;
1916     case NormalState:
1917         client_iconify(self, FALSE, TRUE);
1918         break;
1919     }
1920 }
1921
1922 void client_set_state(Client *self, Atom action, long data1, long data2)
1923 {
1924     gboolean shaded = self->shaded;
1925     gboolean fullscreen = self->fullscreen;
1926     gboolean max_horz = self->max_horz;
1927     gboolean max_vert = self->max_vert;
1928     int i;
1929
1930     if (!(action == prop_atoms.net_wm_state_add ||
1931           action == prop_atoms.net_wm_state_remove ||
1932           action == prop_atoms.net_wm_state_toggle))
1933         /* an invalid action was passed to the client message, ignore it */
1934         return; 
1935
1936     for (i = 0; i < 2; ++i) {
1937         Atom state = i == 0 ? data1 : data2;
1938     
1939         if (!state) continue;
1940
1941         /* if toggling, then pick whether we're adding or removing */
1942         if (action == prop_atoms.net_wm_state_toggle) {
1943             if (state == prop_atoms.net_wm_state_modal)
1944                 action = self->modal ? prop_atoms.net_wm_state_remove :
1945                     prop_atoms.net_wm_state_add;
1946             else if (state == prop_atoms.net_wm_state_maximized_vert)
1947                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1948                     prop_atoms.net_wm_state_add;
1949             else if (state == prop_atoms.net_wm_state_maximized_horz)
1950                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1951                     prop_atoms.net_wm_state_add;
1952             else if (state == prop_atoms.net_wm_state_shaded)
1953                 action = self->shaded ? prop_atoms.net_wm_state_remove :
1954                     prop_atoms.net_wm_state_add;
1955             else if (state == prop_atoms.net_wm_state_skip_taskbar)
1956                 action = self->skip_taskbar ?
1957                     prop_atoms.net_wm_state_remove :
1958                     prop_atoms.net_wm_state_add;
1959             else if (state == prop_atoms.net_wm_state_skip_pager)
1960                 action = self->skip_pager ?
1961                     prop_atoms.net_wm_state_remove :
1962                     prop_atoms.net_wm_state_add;
1963             else if (state == prop_atoms.net_wm_state_fullscreen)
1964                 action = self->fullscreen ?
1965                     prop_atoms.net_wm_state_remove :
1966                     prop_atoms.net_wm_state_add;
1967             else if (state == prop_atoms.net_wm_state_above)
1968                 action = self->above ? prop_atoms.net_wm_state_remove :
1969                     prop_atoms.net_wm_state_add;
1970             else if (state == prop_atoms.net_wm_state_below)
1971                 action = self->below ? prop_atoms.net_wm_state_remove :
1972                     prop_atoms.net_wm_state_add;
1973         }
1974     
1975         if (action == prop_atoms.net_wm_state_add) {
1976             if (state == prop_atoms.net_wm_state_modal) {
1977                 /* XXX raise here or something? */
1978                 self->modal = TRUE;
1979             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1980                 max_vert = TRUE;
1981             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1982                 max_horz = TRUE;
1983             } else if (state == prop_atoms.net_wm_state_shaded) {
1984                 shaded = TRUE;
1985             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1986                 self->skip_taskbar = TRUE;
1987             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1988                 self->skip_pager = TRUE;
1989             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1990                 fullscreen = TRUE;
1991             } else if (state == prop_atoms.net_wm_state_above) {
1992                 self->above = TRUE;
1993             } else if (state == prop_atoms.net_wm_state_below) {
1994                 self->below = TRUE;
1995             }
1996
1997         } else { /* action == prop_atoms.net_wm_state_remove */
1998             if (state == prop_atoms.net_wm_state_modal) {
1999                 self->modal = FALSE;
2000             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2001                 max_vert = FALSE;
2002             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2003                 max_horz = FALSE;
2004             } else if (state == prop_atoms.net_wm_state_shaded) {
2005                 shaded = FALSE;
2006             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2007                 self->skip_taskbar = FALSE;
2008             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2009                 self->skip_pager = FALSE;
2010             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2011                 fullscreen = FALSE;
2012             } else if (state == prop_atoms.net_wm_state_above) {
2013                 self->above = FALSE;
2014             } else if (state == prop_atoms.net_wm_state_below) {
2015                 self->below = FALSE;
2016             }
2017         }
2018     }
2019     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2020         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2021             /* toggling both */
2022             if (max_horz == max_vert) { /* both going the same way */
2023                 client_maximize(self, max_horz, 0, TRUE);
2024             } else {
2025                 client_maximize(self, max_horz, 1, TRUE);
2026                 client_maximize(self, max_vert, 2, TRUE);
2027             }
2028         } else {
2029             /* toggling one */
2030             if (max_horz != self->max_horz)
2031                 client_maximize(self, max_horz, 1, TRUE);
2032             else
2033                 client_maximize(self, max_vert, 2, TRUE);
2034         }
2035     }
2036     /* change fullscreen state before shading, as it will affect if the window
2037        can shade or not */
2038     if (fullscreen != self->fullscreen)
2039         client_fullscreen(self, fullscreen, TRUE);
2040     if (shaded != self->shaded)
2041         client_shade(self, shaded);
2042     client_calc_layer(self);
2043     client_change_state(self); /* change the hint to relect these changes */
2044 }
2045
2046 Client *client_focus_target(Client *self)
2047 {
2048     Client *child;
2049      
2050     /* if we have a modal child, then focus it, not us */
2051     child = client_find_modal_child(self);
2052     if (child) return child;
2053     return self;
2054 }
2055
2056 gboolean client_focusable(Client *self)
2057 {
2058     /* won't try focus if the client doesn't want it, or if the window isn't
2059        visible on the screen */
2060     return self->frame->visible &&
2061         (self->can_focus || self->focus_notify);
2062 }
2063
2064 gboolean client_focus(Client *self)
2065 {
2066     XEvent ev;
2067
2068     /* choose the correct target */
2069     self = client_focus_target(self);
2070
2071     if (!client_focusable(self))
2072         return FALSE;
2073
2074     /* do a check to see if the window has already been unmapped or destroyed
2075        do this intelligently while watching out for unmaps we've generated
2076        (ignore_unmaps > 0) */
2077     if (XCheckTypedWindowEvent(ob_display, self->window,
2078                                DestroyNotify, &ev)) {
2079         XPutBackEvent(ob_display, &ev);
2080         return FALSE;
2081     }
2082     while (XCheckTypedWindowEvent(ob_display, self->window,
2083                                   UnmapNotify, &ev)) {
2084         if (self->ignore_unmaps) {
2085             self->ignore_unmaps--;
2086         } else {
2087             XPutBackEvent(ob_display, &ev);
2088             return FALSE;
2089         }
2090     }
2091
2092     if (self->can_focus)
2093         /* RevertToPointerRoot causes much more headache than TevertToNone, so
2094            I choose to use it always, hopefully to find errors quicker, if any
2095            are left. (I hate X. I hate focus events.) */
2096         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
2097                        event_lasttime);
2098
2099     if (self->focus_notify) {
2100         XEvent ce;
2101         ce.xclient.type = ClientMessage;
2102         ce.xclient.message_type = prop_atoms.wm_protocols;
2103         ce.xclient.display = ob_display;
2104         ce.xclient.window = self->window;
2105         ce.xclient.format = 32;
2106         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2107         ce.xclient.data.l[1] = event_lasttime;
2108         ce.xclient.data.l[2] = 0l;
2109         ce.xclient.data.l[3] = 0l;
2110         ce.xclient.data.l[4] = 0l;
2111         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2112     }
2113
2114 #ifdef DEBUG_FOCUS
2115     g_message("focusing %lx", self->window);
2116 #endif
2117
2118     /* Cause the FocusIn to come back to us. Important for desktop switches,
2119        since otherwise we'll have no FocusIn on the queue and send it off to
2120        the focus_backup. */
2121     XSync(ob_display, FALSE);
2122     return TRUE;
2123 }
2124
2125 void client_unfocus(Client *self)
2126 {
2127     g_assert(focus_client == self);
2128 #ifdef DEBUG_FOCUS
2129     g_message("client_unfocus");
2130 #endif
2131     focus_fallback(Fallback_Unfocusing);
2132 }
2133
2134 gboolean client_focused(Client *self)
2135 {
2136     return self == focus_client;
2137 }
2138
2139 Icon *client_icon(Client *self, int w, int h)
2140 {
2141     int i;
2142     /* si is the smallest image >= req */
2143     /* li is the largest image < req */
2144     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2145
2146     if (!self->nicons) return NULL;
2147
2148     for (i = 0; i < self->nicons; ++i) {
2149         size = self->icons[i].width * self->icons[i].height;
2150         if (size < smallest && size >= (unsigned)(w * h)) {
2151             smallest = size;
2152             si = i;
2153         }
2154         if (size > largest && size <= (unsigned)(w * h)) {
2155             largest = size;
2156             li = i;
2157         }
2158     }
2159     if (largest == 0) /* didnt find one smaller than the requested size */
2160         return &self->icons[si];
2161     return &self->icons[li];
2162 }