make the value boolean
[dana/openbox.git] / openbox / client.c
1 #include "client.h"
2 #include "screen.h"
3 #include "prop.h"
4 #include "extensions.h"
5 #include "config.h"
6 #include "frame.h"
7 #include "engine.h"
8 #include "event.h"
9 #include "grab.h"
10 #include "focus.h"
11 #include "stacking.h"
12 #include "dispatch.h"
13
14 #include <glib.h>
15 #include <X11/Xutil.h>
16
17 /*! The event mask to grab on client windows */
18 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
19                           StructureNotifyMask)
20
21 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
22                                 ButtonMotionMask)
23
24 GSList     *client_list      = NULL;
25 GHashTable *client_map       = NULL;
26
27 static Window *client_startup_stack_order = NULL;
28 static gulong  client_startup_stack_size = 0;
29
30 static void client_get_all(Client *self);
31 static void client_toggle_border(Client *self, gboolean show);
32 static void client_get_area(Client *self);
33 static void client_get_desktop(Client *self);
34 static void client_get_state(Client *self);
35 static void client_get_shaped(Client *self);
36 static void client_get_mwm_hints(Client *self);
37 static void client_get_gravity(Client *self);
38 static void client_showhide(Client *self);
39 static void client_change_allowed_actions(Client *self);
40 static void client_change_state(Client *self);
41 static Client *search_focus_tree(Client *node, Client *skip);
42 static void client_apply_startup_state(Client *self);
43 static Client *search_modal_tree(Client *node, Client *skip);
44
45 static guint map_hash(Window *w) { return *w; }
46 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
47
48 void client_startup()
49 {
50     client_map = g_hash_table_new((GHashFunc)map_hash,
51                                   (GEqualFunc)map_key_comp);
52
53     /* save the stacking order on startup! */
54     PROP_GET32U(ob_root, net_client_list_stacking, window,
55                 client_startup_stack_order, client_startup_stack_size);
56
57     client_set_list();
58 }
59
60 void client_shutdown()
61 {
62     g_hash_table_destroy(client_map);
63 }
64
65 void client_set_list()
66 {
67     Window *windows, *win_it;
68     GSList *it;
69     guint size = g_slist_length(client_list);
70
71     /* create an array of the window ids */
72     if (size > 0) {
73         windows = g_new(Window, size);
74         win_it = windows;
75         for (it = client_list; it != NULL; it = it->next, ++win_it)
76             *win_it = ((Client*)it->data)->window;
77     } else
78         windows = NULL;
79
80     PROP_SET32A(ob_root, net_client_list, window, windows, size);
81
82     if (windows)
83         g_free(windows);
84
85     stacking_set_list();
86 }
87
88 void client_manage_all()
89 {
90     ConfigValue focus_new;
91     unsigned int i, j, nchild;
92     Window w, *children;
93     XWMHints *wmhints;
94     XWindowAttributes attrib;
95
96     XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
97
98     /* remove all icon windows from the list */
99     for (i = 0; i < nchild; i++) {
100         if (children[i] == None) continue;
101         wmhints = XGetWMHints(ob_display, children[i]);
102         if (wmhints) {
103             if ((wmhints->flags & IconWindowHint) &&
104                 (wmhints->icon_window != children[i]))
105                 for (j = 0; j < nchild; j++)
106                     if (children[j] == wmhints->icon_window) {
107                         children[j] = None;
108                         break;
109                     }
110             XFree(wmhints);
111         }
112     }
113
114     for (i = 0; i < nchild; ++i) {
115         if (children[i] == None)
116             continue;
117         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
118             if (attrib.override_redirect) continue;
119
120             if (attrib.map_state != IsUnmapped)
121                 client_manage(children[i]);
122         }
123     }
124     XFree(children);
125
126     /* stack them as they were on startup!
127        why with stacking_lower? Why, because then windows who aren't in the
128        stacking list are on the top where you can see them instead of buried
129        at the bottom! */
130     for (i = client_startup_stack_size; i > 0; --i) {
131         Client *c;
132
133         w = client_startup_stack_order[i-1];
134         c = g_hash_table_lookup(client_map, &w);
135         g_message("0x%lx %d %d", c->window, c->iconic, c->shaded);
136         if (c) stacking_lower(c);
137     }
138     g_free(client_startup_stack_order);
139     client_startup_stack_order = NULL;
140     client_startup_stack_size = 0;
141
142     if (!config_get("focusNew", Config_Bool, &focus_new))
143         g_assert_not_reached();
144     if (focus_new.bool)
145         focus_fallback(FALSE);
146 }
147
148 void client_manage(Window window)
149 {
150     Client *client;
151     XEvent e;
152     XWindowAttributes attrib;
153     XSetWindowAttributes attrib_set;
154 /*    XWMHints *wmhint; */
155     guint i;
156     ConfigValue focus_new;
157
158     grab_server(TRUE);
159
160     /* check if it has already been unmapped by the time we started mapping
161        the grab does a sync so we don't have to here */
162     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
163         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
164         XPutBackEvent(ob_display, &e);
165
166         grab_server(FALSE);
167         return; /* don't manage it */
168     }
169
170     /* make sure it isn't an override-redirect window */
171     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
172         attrib.override_redirect) {
173         grab_server(FALSE);
174         return; /* don't manage it */
175     }
176   
177 /*    /\* is the window a docking app *\/
178     if ((wmhint = XGetWMHints(ob_display, window))) {
179         if ((wmhint->flags & StateHint) &&
180             wmhint->initial_state == WithdrawnState) {
181             /\* XXX: make dock apps work! *\/
182             grab_server(FALSE);
183             XFree(wmhint);
184             return;
185         }
186         XFree(wmhint);
187     }
188 */
189
190     /* choose the events we want to receive on the CLIENT window */
191     attrib_set.event_mask = CLIENT_EVENTMASK;
192     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
193     XChangeWindowAttributes(ob_display, window,
194                             CWEventMask|CWDontPropagate, &attrib_set);
195
196
197     /* create the Client struct, and populate it from the hints on the
198        window */
199     client = g_new(Client, 1);
200     client->window = window;
201     client_get_all(client);
202
203     /* remove the client's border (and adjust re gravity) */
204     client_toggle_border(client, FALSE);
205      
206     /* specify that if we exit, the window should not be destroyed and should
207        be reparented back to root automatically */
208     XChangeSaveSet(ob_display, window, SetModeInsert);
209
210     /* create the decoration frame for the client window */
211     client->frame = engine_frame_new();
212
213     engine_frame_grab_client(client->frame, client);
214
215     client_apply_startup_state(client);
216
217     grab_server(FALSE);
218      
219     client_list = g_slist_append(client_list, client);
220     stacking_list = g_list_append(stacking_list, client);
221     g_assert(!g_hash_table_lookup(client_map, &client->window));
222     g_hash_table_insert(client_map, &client->window, client);
223
224     /* update the focus lists */
225     if (client->desktop == DESKTOP_ALL) {
226         for (i = 0; i < screen_num_desktops; ++i)
227             focus_order[i] = g_list_append(focus_order[i], client);
228     } else {
229         i = client->desktop;
230         focus_order[i] = g_list_append(focus_order[i], client);
231     }
232
233     stacking_raise(client);
234
235     screen_update_struts();
236
237     dispatch_client(Event_Client_New, client, 0, 0);
238
239     client_showhide(client);
240
241     dispatch_client(Event_Client_Mapped, client, 0, 0);
242
243     if (!config_get("focusNew", Config_Bool, &focus_new))
244         g_assert_not_reached();
245     if (ob_state != State_Starting && focus_new.bool)
246         client_focus(client);
247
248     /* update the list hints */
249     client_set_list();
250
251 /*    g_message("Managed window 0x%lx", window);*/
252 }
253
254 void client_unmanage_all()
255 {
256     while (client_list != NULL)
257         client_unmanage(client_list->data);
258 }
259
260 void client_unmanage(Client *client)
261 {
262     guint i;
263     int j;
264     GSList *it;
265
266 /*    g_message("Unmanaging window: %lx", client->window);*/
267
268     dispatch_client(Event_Client_Destroy, client, 0, 0);
269     g_assert(client != NULL);
270
271     /* remove the window from our save set */
272     XChangeSaveSet(ob_display, client->window, SetModeDelete);
273
274     /* we dont want events no more */
275     XSelectInput(ob_display, client->window, NoEventMask);
276
277     engine_frame_hide(client->frame);
278
279     client_list = g_slist_remove(client_list, client);
280     stacking_list = g_list_remove(stacking_list, client);
281     g_hash_table_remove(client_map, &client->window);
282
283     /* update the focus lists */
284     if (client->desktop == DESKTOP_ALL) {
285         for (i = 0; i < screen_num_desktops; ++i)
286             focus_order[i] = g_list_remove(focus_order[i], client);
287     } else {
288         i = client->desktop;
289         focus_order[i] = g_list_remove(focus_order[i], client);
290     }
291
292     /* once the client is out of the list, update the struts to remove it's
293        influence */
294     screen_update_struts();
295
296     /* tell our parent that we're gone */
297     if (client->transient_for != NULL)
298         client->transient_for->transients =
299             g_slist_remove(client->transient_for->transients, client);
300
301     /* tell our transients that we're gone */
302     for (it = client->transients; it != NULL; it = it->next) {
303         ((Client*)it->data)->transient_for = NULL;
304         client_calc_layer(it->data);
305     }
306
307     /* dispatch the unmapped event */
308     dispatch_client(Event_Client_Unmapped, client, 0, 0);
309     g_assert(client != NULL);
310
311     /* give the client its border back */
312     client_toggle_border(client, TRUE);
313
314     /* reparent the window out of the frame, and free the frame */
315     engine_frame_release_client(client->frame, client);
316     client->frame = NULL;
317      
318     if (ob_state != State_Exiting) {
319         /* these values should not be persisted across a window
320            unmapping/mapping */
321         prop_erase(client->window, prop_atoms.net_wm_desktop);
322         prop_erase(client->window, prop_atoms.net_wm_state);
323     } else {
324         /* if we're left in an iconic state, the client wont be mapped. this is
325            bad, since we will no longer be managing the window on restart */
326         if (client->iconic)
327             XMapWindow(ob_display, client->window);
328     }
329
330     /* free all data allocated in the client struct */
331     g_slist_free(client->transients);
332     for (j = 0; j < client->nicons; ++j)
333         g_free(client->icons[j].data);
334     if (client->nicons > 0)
335         g_free(client->icons);
336     g_free(client->title);
337     g_free(client->icon_title);
338     g_free(client->name);
339     g_free(client->class);
340     g_free(client->role);
341     g_free(client);
342      
343     /* update the list hints */
344     client_set_list();
345 }
346
347 static void client_toggle_border(Client *self, gboolean show)
348 {
349     /* adjust our idea of where the client is, based on its border. When the
350        border is removed, the client should now be considered to be in a
351        different position.
352        when re-adding the border to the client, the same operation needs to be
353        reversed. */
354     int oldx = self->area.x, oldy = self->area.y;
355     int x = oldx, y = oldy;
356     switch(self->gravity) {
357     default:
358     case NorthWestGravity:
359     case WestGravity:
360     case SouthWestGravity:
361         break;
362     case NorthEastGravity:
363     case EastGravity:
364     case SouthEastGravity:
365         if (show) x -= self->border_width * 2;
366         else      x += self->border_width * 2;
367         break;
368     case NorthGravity:
369     case SouthGravity:
370     case CenterGravity:
371     case ForgetGravity:
372     case StaticGravity:
373         if (show) x -= self->border_width;
374         else      x += self->border_width;
375         break;
376     }
377     switch(self->gravity) {
378     default:
379     case NorthWestGravity:
380     case NorthGravity:
381     case NorthEastGravity:
382         break;
383     case SouthWestGravity:
384     case SouthGravity:
385     case SouthEastGravity:
386         if (show) y -= self->border_width * 2;
387         else      y += self->border_width * 2;
388         break;
389     case WestGravity:
390     case EastGravity:
391     case CenterGravity:
392     case ForgetGravity:
393     case StaticGravity:
394         if (show) y -= self->border_width;
395         else      y += self->border_width;
396         break;
397     }
398     self->area.x = x;
399     self->area.y = y;
400
401     if (show) {
402         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
403
404         /* move the client so it is back it the right spot _with_ its
405            border! */
406         if (x != oldx || y != oldy)
407             XMoveWindow(ob_display, self->window, x, y);
408     } else
409         XSetWindowBorderWidth(ob_display, self->window, 0);
410 }
411
412
413 static void client_get_all(Client *self)
414 {
415     /* update EVERYTHING!! */
416
417     self->ignore_unmaps = 0;
418   
419     /* defaults */
420     self->frame = NULL;
421     self->title = self->icon_title = NULL;
422     self->name = self->class = self->role = NULL;
423     self->wmstate = NormalState;
424     self->transient = FALSE;
425     self->transients = NULL;
426     self->transient_for = NULL;
427     self->layer = -1;
428     self->urgent = FALSE;
429     self->positioned = FALSE;
430     self->disabled_decorations = 0;
431     self->group = None;
432     self->nicons = 0;
433
434     client_get_area(self);
435     client_get_desktop(self);
436     client_get_state(self);
437     client_get_shaped(self);
438
439     client_update_transient_for(self);
440     client_get_mwm_hints(self);
441     client_get_type(self);/* this can change the mwmhints for special cases */
442
443     client_update_protocols(self);
444
445     client_get_gravity(self); /* get the attribute gravity */
446     client_update_normal_hints(self); /* this may override the attribute
447                                          gravity */
448
449     /* got the type, the mwmhints, the protocols, and the normal hints
450        (min/max sizes), so we're ready to set up the decorations/functions */
451     client_setup_decor_and_functions(self);
452   
453     client_update_wmhints(self);
454     client_update_title(self);
455     client_update_icon_title(self);
456     client_update_class(self);
457     client_update_strut(self);
458     client_update_icons(self);
459     client_update_kwm_icon(self);
460
461     /* this makes sure that these windows appear on all desktops */
462     if (self->type == Type_Desktop)
463         self->desktop = DESKTOP_ALL;
464
465     /* set the desktop hint, to make sure that it always exists, and to
466        reflect any changes we've made here */
467     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
468
469     client_change_state(self);
470 }
471
472 static void client_get_area(Client *self)
473 {
474     XWindowAttributes wattrib;
475     Status ret;
476   
477     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
478     g_assert(ret != BadWindow);
479
480     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
481     self->border_width = wattrib.border_width;
482 }
483
484 static void client_get_desktop(Client *self)
485 {
486     unsigned int d;
487
488     if (PROP_GET32(self->window, net_wm_desktop, cardinal, d)) {
489         if (d >= screen_num_desktops && d != DESKTOP_ALL)
490             d = screen_num_desktops - 1;
491         self->desktop = d;
492     } else {
493         /* defaults to the current desktop */
494         self->desktop = screen_desktop;
495     }
496 }
497
498 static void client_get_state(Client *self)
499 {
500     gulong *state;
501     gulong num;
502   
503     self->modal = self->shaded = self->max_horz = self->max_vert =
504         self->fullscreen = self->above = self->below = self->iconic =
505         self->skip_taskbar = self->skip_pager = FALSE;
506
507     if (PROP_GET32U(self->window, net_wm_state, atom, state, num)) {
508         gulong i;
509         for (i = 0; i < num; ++i) {
510             if (state[i] == prop_atoms.net_wm_state_modal)
511                 self->modal = TRUE;
512             else if (state[i] == prop_atoms.net_wm_state_shaded)
513                 self->shaded = TRUE;
514             else if (state[i] == prop_atoms.net_wm_state_hidden)
515                 self->iconic = TRUE;
516             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
517                 self->skip_taskbar = TRUE;
518             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
519                 self->skip_pager = TRUE;
520             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
521                 self->fullscreen = TRUE;
522             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
523                 self->max_vert = TRUE;
524             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
525                 self->max_horz = TRUE;
526             else if (state[i] == prop_atoms.net_wm_state_above)
527                 self->above = TRUE;
528             else if (state[i] == prop_atoms.net_wm_state_below)
529                 self->below = TRUE;
530         }
531
532         g_free(state);
533     }
534 }
535
536 static void client_get_shaped(Client *self)
537 {
538     self->shaped = FALSE;
539 #ifdef   SHAPE
540     if (extensions_shape) {
541         int foo;
542         guint ufoo;
543         int s;
544
545         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
546
547         XShapeQueryExtents(ob_display, self->window, &s, &foo,
548                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
549                            &ufoo);
550         self->shaped = (s != 0);
551     }
552 #endif
553 }
554
555 void client_update_transient_for(Client *self)
556 {
557     Window t = None;
558     Client *c = NULL;
559
560     if (XGetTransientForHint(ob_display, self->window, &t) &&
561         t != self->window) { /* cant be transient to itself! */
562         self->transient = TRUE;
563         c = g_hash_table_lookup(client_map, &t);
564         g_assert(c != self);/* if this happens then we need to check for it*/
565
566         if (!c /*XXX: && _group*/) {
567             /* not transient to a client, see if it is transient for a
568                group */
569             if (/*t == _group->leader() || */
570                 t == None ||
571                 t == ob_root) {
572                 /* window is a transient for its group! */
573                 /* XXX: for now this is treated as non-transient.
574                    this needs to be fixed! */
575             }
576         }
577     } else
578         self->transient = FALSE;
579
580     /* if anything has changed... */
581     if (c != self->transient_for) {
582         if (self->transient_for)
583             /* remove from old parent */
584             self->transient_for->transients =
585                 g_slist_remove(self->transient_for->transients, self);
586         self->transient_for = c;
587         if (self->transient_for)
588             /* add to new parent */
589             self->transient_for->transients =
590                 g_slist_append(self->transient_for->transients, self);
591     }
592 }
593
594 static void client_get_mwm_hints(Client *self)
595 {
596     unsigned long num;
597     unsigned long *hints;
598
599     self->mwmhints.flags = 0; /* default to none */
600
601     if (PROP_GET32U(self->window, motif_wm_hints, motif_wm_hints, hints, num)) {
602         if (num >= MWM_ELEMENTS) {
603             self->mwmhints.flags = hints[0];
604             self->mwmhints.functions = hints[1];
605             self->mwmhints.decorations = hints[2];
606         }
607         g_free(hints);
608     }
609 }
610
611 void client_get_type(Client *self)
612 {
613     gulong *val, num, i;
614
615     self->type = -1;
616   
617     if (PROP_GET32U(self->window, net_wm_window_type, atom, val, num)) {
618         /* use the first value that we know about in the array */
619         for (i = 0; i < num; ++i) {
620             if (val[i] == prop_atoms.net_wm_window_type_desktop)
621                 self->type = Type_Desktop;
622             else if (val[i] == prop_atoms.net_wm_window_type_dock)
623                 self->type = Type_Dock;
624             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
625                 self->type = Type_Toolbar;
626             else if (val[i] == prop_atoms.net_wm_window_type_menu)
627                 self->type = Type_Menu;
628             else if (val[i] == prop_atoms.net_wm_window_type_utility)
629                 self->type = Type_Utility;
630             else if (val[i] == prop_atoms.net_wm_window_type_splash)
631                 self->type = Type_Splash;
632             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
633                 self->type = Type_Dialog;
634             else if (val[i] == prop_atoms.net_wm_window_type_normal)
635                 self->type = Type_Normal;
636             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
637                 /* prevent this window from getting any decor or
638                    functionality */
639                 self->mwmhints.flags &= (MwmFlag_Functions |
640                                          MwmFlag_Decorations);
641                 self->mwmhints.decorations = 0;
642                 self->mwmhints.functions = 0;
643             }
644             if (self->type != (WindowType) -1)
645                 break; /* grab the first legit type */
646         }
647         g_free(val);
648     }
649     
650     if (self->type == (WindowType) -1) {
651         /*the window type hint was not set, which means we either classify
652           ourself as a normal window or a dialog, depending on if we are a
653           transient. */
654         if (self->transient)
655             self->type = Type_Dialog;
656         else
657             self->type = Type_Normal;
658     }
659 }
660
661 void client_update_protocols(Client *self)
662 {
663     Atom *proto;
664     gulong num_return, i;
665
666     self->focus_notify = FALSE;
667     self->delete_window = FALSE;
668
669     if (PROP_GET32U(self->window, wm_protocols, atom, proto, num_return)) {
670         for (i = 0; i < num_return; ++i) {
671             if (proto[i] == prop_atoms.wm_delete_window) {
672                 /* this means we can request the window to close */
673                 self->delete_window = TRUE;
674             } else if (proto[i] == prop_atoms.wm_take_focus)
675                 /* if this protocol is requested, then the window will be
676                    notified whenever we want it to receive focus */
677                 self->focus_notify = TRUE;
678         }
679         g_free(proto);
680     }
681 }
682
683 static void client_get_gravity(Client *self)
684 {
685     XWindowAttributes wattrib;
686     Status ret;
687
688     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
689     g_assert(ret != BadWindow);
690     self->gravity = wattrib.win_gravity;
691 }
692
693 void client_update_normal_hints(Client *self)
694 {
695     XSizeHints size;
696     long ret;
697     int oldgravity = self->gravity;
698
699     /* defaults */
700     self->min_ratio = 0.0f;
701     self->max_ratio = 0.0f;
702     SIZE_SET(self->size_inc, 1, 1);
703     SIZE_SET(self->base_size, 0, 0);
704     SIZE_SET(self->min_size, 0, 0);
705     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
706
707     /* get the hints from the window */
708     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
709         self->positioned = !!(size.flags & (PPosition|USPosition));
710
711         if (size.flags & PWinGravity) {
712             self->gravity = size.win_gravity;
713       
714             /* if the client has a frame, i.e. has already been mapped and
715                is changing its gravity */
716             if (self->frame && self->gravity != oldgravity) {
717                 /* move our idea of the client's position based on its new
718                    gravity */
719                 self->area.x = self->frame->area.x;
720                 self->area.y = self->frame->area.y;
721                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
722             }
723         }
724
725         if (size.flags & PAspect) {
726             if (size.min_aspect.y)
727                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
728             if (size.max_aspect.y)
729                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
730         }
731
732         if (size.flags & PMinSize)
733             SIZE_SET(self->min_size, size.min_width, size.min_height);
734     
735         if (size.flags & PMaxSize)
736             SIZE_SET(self->max_size, size.max_width, size.max_height);
737     
738         if (size.flags & PBaseSize)
739             SIZE_SET(self->base_size, size.base_width, size.base_height);
740     
741         if (size.flags & PResizeInc)
742             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
743     }
744 }
745
746 void client_setup_decor_and_functions(Client *self)
747 {
748     /* start with everything (cept fullscreen) */
749     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
750         Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
751     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
752         Func_Shade;
753     if (self->delete_window) {
754         self->decorations |= Decor_Close;
755         self->functions |= Func_Close;
756     }
757
758     if (!(self->min_size.width < self->max_size.width ||
759           self->min_size.height < self->max_size.height)) {
760         self->decorations &= ~(Decor_Maximize | Decor_Handle);
761         self->functions &= ~(Func_Resize | Func_Maximize);
762     }
763
764     switch (self->type) {
765     case Type_Normal:
766         /* normal windows retain all of the possible decorations and
767            functionality, and are the only windows that you can fullscreen */
768         self->functions |= Func_Fullscreen;
769         break;
770
771     case Type_Dialog:
772         /* dialogs cannot be maximized */
773         self->decorations &= ~Decor_Maximize;
774         self->functions &= ~Func_Maximize;
775         break;
776
777     case Type_Menu:
778     case Type_Toolbar:
779     case Type_Utility:
780         /* these windows get less functionality */
781         self->decorations &= ~(Decor_Iconify | Decor_Handle);
782         self->functions &= ~(Func_Iconify | Func_Resize);
783         break;
784
785     case Type_Desktop:
786     case Type_Dock:
787     case Type_Splash:
788         /* none of these windows are manipulated by the window manager */
789         self->decorations = 0;
790         self->functions = 0;
791         break;
792     }
793
794     /* Mwm Hints are applied subtractively to what has already been chosen for
795        decor and functionality */
796     if (self->mwmhints.flags & MwmFlag_Decorations) {
797         if (! (self->mwmhints.decorations & MwmDecor_All)) {
798             if (! (self->mwmhints.decorations & MwmDecor_Border))
799                 self->decorations &= ~Decor_Border;
800             if (! (self->mwmhints.decorations & MwmDecor_Handle))
801                 self->decorations &= ~Decor_Handle;
802             if (! (self->mwmhints.decorations & MwmDecor_Title))
803                 self->decorations &= ~Decor_Titlebar;
804             if (! (self->mwmhints.decorations & MwmDecor_Iconify))
805                 self->decorations &= ~Decor_Iconify;
806             if (! (self->mwmhints.decorations & MwmDecor_Maximize))
807                 self->decorations &= ~Decor_Maximize;
808         }
809     }
810
811     if (self->mwmhints.flags & MwmFlag_Functions) {
812         if (! (self->mwmhints.functions & MwmFunc_All)) {
813             if (! (self->mwmhints.functions & MwmFunc_Resize))
814                 self->functions &= ~Func_Resize;
815             if (! (self->mwmhints.functions & MwmFunc_Move))
816                 self->functions &= ~Func_Move;
817             if (! (self->mwmhints.functions & MwmFunc_Iconify))
818                 self->functions &= ~Func_Iconify;
819             if (! (self->mwmhints.functions & MwmFunc_Maximize))
820                 self->functions &= ~Func_Maximize;
821             /* dont let mwm hints kill the close button
822                if (! (self->mwmhints.functions & MwmFunc_Close))
823                self->functions &= ~Func_Close; */
824         }
825     }
826
827     /* can't maximize without moving/resizing */
828     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
829         self->functions &= ~(Func_Maximize | Func_Fullscreen);
830
831     /* finally, user specified disabled decorations are applied to subtract
832        decorations */
833     if (self->disabled_decorations & Decor_Titlebar)
834         self->decorations &= ~Decor_Titlebar;
835     if (self->disabled_decorations & Decor_Handle)
836         self->decorations &= ~Decor_Handle;
837     if (self->disabled_decorations & Decor_Border)
838         self->decorations &= ~Decor_Border;
839     if (self->disabled_decorations & Decor_Iconify)
840         self->decorations &= ~Decor_Iconify;
841     if (self->disabled_decorations & Decor_Maximize)
842         self->decorations &= ~Decor_Maximize;
843     if (self->disabled_decorations & Decor_AllDesktops)
844         self->decorations &= ~Decor_AllDesktops;
845     if (self->disabled_decorations & Decor_Close)
846         self->decorations &= ~Decor_Close;
847
848     /* if we don't have a titlebar, then we cannot shade! */
849     if (!(self->decorations & Decor_Titlebar))
850         self->functions &= ~Func_Shade;
851
852     client_change_allowed_actions(self);
853
854     if (self->frame) {
855         /* change the decors on the frame, and with more/less decorations,
856            we may also need to be repositioned */
857         engine_frame_adjust_area(self->frame, TRUE, TRUE);
858         /* with new decor, the window's maximized size may change */
859         client_remaximize(self);
860     }
861 }
862
863 static void client_change_allowed_actions(Client *self)
864 {
865     Atom actions[9];
866     int num = 0;
867
868     actions[num++] = prop_atoms.net_wm_action_change_desktop;
869
870     if (self->functions & Func_Shade)
871         actions[num++] = prop_atoms.net_wm_action_shade;
872     if (self->functions & Func_Close)
873         actions[num++] = prop_atoms.net_wm_action_close;
874     if (self->functions & Func_Move)
875         actions[num++] = prop_atoms.net_wm_action_move;
876     if (self->functions & Func_Iconify)
877         actions[num++] = prop_atoms.net_wm_action_minimize;
878     if (self->functions & Func_Resize)
879         actions[num++] = prop_atoms.net_wm_action_resize;
880     if (self->functions & Func_Fullscreen)
881         actions[num++] = prop_atoms.net_wm_action_fullscreen;
882     if (self->functions & Func_Maximize) {
883         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
884         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
885     }
886
887     PROP_SET32A(self->window, net_wm_allowed_actions, atom, actions, num);
888
889     /* make sure the window isn't breaking any rules now */
890
891     if (!(self->functions & Func_Shade) && self->shaded) {
892         if (self->frame) client_shade(self, FALSE);
893         else self->shaded = FALSE;
894     }
895     if (!(self->functions & Func_Iconify) && self->iconic) {
896         g_message("UNSETTING ICONIC");
897         if (self->frame) client_iconify(self, FALSE, TRUE);
898         else self->iconic = FALSE;
899     }
900     if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
901         if (self->frame) client_fullscreen(self, FALSE, TRUE);
902         else self->fullscreen = FALSE;
903     }
904     if (!(self->functions & Func_Maximize) && (self->max_horz ||
905                                                self->max_vert)) {
906         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
907         else self->max_vert = self->max_horz = FALSE;
908     }
909 }
910
911 void client_remaximize(Client *self)
912 {
913     int dir;
914     if (self->max_horz && self->max_vert)
915         dir = 0;
916     else if (self->max_horz)
917         dir = 1;
918     else if (self->max_vert)
919         dir = 2;
920     else
921         return; /* not maximized */
922     self->max_horz = self->max_vert = FALSE;
923     client_maximize(self, TRUE, dir, FALSE);
924 }
925
926 void client_update_wmhints(Client *self)
927 {
928     XWMHints *hints;
929     gboolean ur = FALSE;
930
931     /* assume a window takes input if it doesnt specify */
932     self->can_focus = TRUE;
933   
934     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
935         if (hints->flags & InputHint)
936             self->can_focus = hints->input;
937
938         /* only do this when first managing the window *AND* when we aren't
939            starting up! */
940         if (ob_state != State_Starting && self->frame == NULL)
941             if (hints->flags & StateHint)
942                 self->iconic = hints->initial_state == IconicState;
943
944         if (hints->flags & XUrgencyHint)
945             ur = TRUE;
946
947         if (hints->flags & WindowGroupHint) {
948             if (hints->window_group != self->group) {
949                 /* XXX: remove from the old group if there was one */
950                 self->group = hints->window_group;
951                 /* XXX: do stuff with the group */
952             }
953         } else /* no group! */
954             self->group = None;
955
956         if (hints->flags & IconPixmapHint) {
957             client_update_kwm_icon(self);
958             /* try get the kwm icon first, this is a fallback only */
959             if (self->pixmap_icon == None) {
960                 self->pixmap_icon = hints->icon_pixmap;
961                 if (hints->flags & IconMaskHint)
962                     self->pixmap_icon_mask = hints->icon_mask;
963                 else
964                     self->pixmap_icon_mask = None;
965
966                 if (self->frame)
967                     engine_frame_adjust_icon(self->frame);
968             }
969         }
970
971         XFree(hints);
972     }
973
974     if (ur != self->urgent) {
975         self->urgent = ur;
976         g_message("Urgent Hint for 0x%lx: %s", self->window,
977                   ur ? "ON" : "OFF");
978         /* fire the urgent callback if we're mapped, otherwise, wait until
979            after we're mapped */
980         if (self->frame)
981             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
982     }
983 }
984
985 void client_update_title(Client *self)
986 {
987     gchar *data = NULL;
988
989     g_free(self->title);
990      
991     /* try netwm */
992     if (!PROP_GETS(self->window, net_wm_name, utf8, data)) {
993         /* try old x stuff */
994         if (PROP_GETS(self->window, wm_name, string, data)) {
995             /* convert it to UTF-8 */
996             gsize r, w;
997             gchar *u;
998
999             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1000             if (u == NULL) {
1001                 g_warning("Unable to convert string to UTF-8");
1002             } else {
1003                 g_free(data);
1004                 data = u;
1005             }
1006         }
1007         if (data == NULL)
1008             data = g_strdup("Unnamed Window");
1009
1010         PROP_SETS(self->window, net_wm_visible_name, utf8, data);
1011     }
1012
1013     self->title = data;
1014
1015     if (self->frame)
1016         engine_frame_adjust_title(self->frame);
1017 }
1018
1019 void client_update_icon_title(Client *self)
1020 {
1021     gchar *data = NULL;
1022
1023     g_free(self->icon_title);
1024      
1025     /* try netwm */
1026     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, data)) {
1027         /* try old x stuff */
1028         if (PROP_GETS(self->window, wm_icon_name, string, data)) {
1029             /* convert it to UTF-8 */
1030             gsize r, w;
1031             gchar *u;
1032
1033             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1034             if (u == NULL) {
1035                 g_warning("Unable to convert string to UTF-8");
1036             } else {
1037                 g_free(data);
1038                 data = u;
1039             }
1040         }
1041         if (data == NULL)
1042             data = g_strdup("Unnamed Window");
1043
1044         PROP_SETS(self->window, net_wm_visible_icon_name, utf8, data);
1045     }
1046
1047     self->icon_title = data;
1048 }
1049
1050 void client_update_class(Client *self)
1051 {
1052     GPtrArray *data;
1053     gchar *s;
1054     guint i;
1055
1056     if (self->name) g_free(self->name);
1057     if (self->class) g_free(self->class);
1058     if (self->role) g_free(self->role);
1059
1060     self->name = self->class = self->role = NULL;
1061
1062     data = g_ptr_array_new();
1063      
1064     if (PROP_GETSA(self->window, wm_class, string, data)) {
1065         if (data->len > 0)
1066             self->name = g_strdup(g_ptr_array_index(data, 0));
1067         if (data->len > 1)
1068             self->class = g_strdup(g_ptr_array_index(data, 1));
1069     }
1070      
1071     for (i = 0; i < data->len; ++i)
1072         g_free(g_ptr_array_index(data, i));
1073     g_ptr_array_free(data, TRUE);
1074
1075     if (PROP_GETS(self->window, wm_window_role, string, s))
1076         self->role = g_strdup(s);
1077
1078     if (self->name == NULL) self->name = g_strdup("");
1079     if (self->class == NULL) self->class = g_strdup("");
1080     if (self->role == NULL) self->role = g_strdup("");
1081 }
1082
1083 void client_update_strut(Client *self)
1084 {
1085     gulong *data;
1086
1087     if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
1088         STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
1089         g_free(data);
1090     } else
1091         STRUT_SET(self->strut, 0, 0, 0, 0);
1092
1093     /* updating here is pointless while we're being mapped cuz we're not in
1094        the client list yet */
1095     if (self->frame)
1096         screen_update_struts();
1097 }
1098
1099 void client_update_icons(Client *self)
1100 {
1101     unsigned long num;
1102     unsigned long *data;
1103     unsigned long w, h, i;
1104     int j;
1105
1106     for (j = 0; j < self->nicons; ++j)
1107         g_free(self->icons[j].data);
1108     if (self->nicons > 0)
1109         g_free(self->icons);
1110     self->nicons = 0;
1111
1112     if (PROP_GET32U(self->window, net_wm_icon, cardinal, data, num)) {
1113         /* figure out how many valid icons are in here */
1114         i = 0;
1115         while (num - i > 2) {
1116             w = data[i++];
1117             h = data[i++];
1118             i += w * h;
1119             if (i > num) break;
1120             ++self->nicons;
1121         }
1122
1123         self->icons = g_new(Icon, self->nicons);
1124     
1125         /* store the icons */
1126         i = 0;
1127         for (j = 0; j < self->nicons; ++j) {
1128             w = self->icons[j].width = data[i++];
1129             h = self->icons[j].height = data[i++];
1130             self->icons[j].data =
1131                 g_memdup(&data[i], w * h * sizeof(gulong));
1132             i += w * h;
1133             g_assert(i <= num);
1134         }
1135
1136         g_free(data);
1137     }
1138
1139     if (self->frame)
1140         engine_frame_adjust_icon(self->frame);
1141 }
1142
1143 void client_update_kwm_icon(Client *self)
1144 {
1145     Pixmap *data;
1146
1147     if (PROP_GET32A(self->window, kwm_win_icon, kwm_win_icon, data, 2)) {
1148         self->pixmap_icon = data[0];
1149         self->pixmap_icon_mask = data[1];
1150         g_free(data);
1151     } else {
1152         self->pixmap_icon = self->pixmap_icon_mask = None;
1153     }
1154     if (self->frame)
1155         engine_frame_adjust_icon(self->frame);
1156 }
1157
1158 static void client_change_state(Client *self)
1159 {
1160     unsigned long state[2];
1161     Atom netstate[10];
1162     int num;
1163
1164     state[0] = self->wmstate;
1165     state[1] = None;
1166     PROP_SET32A(self->window, wm_state, wm_state, state, 2);
1167
1168     num = 0;
1169     if (self->modal)
1170         netstate[num++] = prop_atoms.net_wm_state_modal;
1171     if (self->shaded)
1172         netstate[num++] = prop_atoms.net_wm_state_shaded;
1173     if (self->iconic)
1174         netstate[num++] = prop_atoms.net_wm_state_hidden;
1175     if (self->skip_taskbar)
1176         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1177     if (self->skip_pager)
1178         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1179     if (self->fullscreen)
1180         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1181     if (self->max_vert)
1182         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1183     if (self->max_horz)
1184         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1185     if (self->above)
1186         netstate[num++] = prop_atoms.net_wm_state_above;
1187     if (self->below)
1188         netstate[num++] = prop_atoms.net_wm_state_below;
1189     PROP_SET32A(self->window, net_wm_state, atom, netstate, num);
1190
1191     client_calc_layer(self);
1192
1193     if (self->frame)
1194         engine_frame_adjust_state(self->frame);
1195 }
1196
1197 static Client *search_focus_tree(Client *node, Client *skip)
1198 {
1199     GSList *it;
1200     Client *ret;
1201
1202     for (it = node->transients; it != NULL; it = it->next) {
1203         Client *c = it->data;
1204         if (c == skip) continue; /* circular? */
1205         if ((ret = search_focus_tree(c, skip))) return ret;
1206         if (client_focused(c)) return c;
1207     }
1208     return NULL;
1209 }
1210
1211 void client_calc_layer(Client *self)
1212 {
1213     StackLayer l;
1214     gboolean fs;
1215     Client *c;
1216
1217     /* are we fullscreen, or do we have a fullscreen transient parent? */
1218     c = self;
1219     fs = FALSE;
1220     while (c) {
1221         if (c->fullscreen) {
1222             fs = TRUE;
1223             break;
1224         }
1225         c = c->transient_for;
1226     }
1227     if (!fs && self->fullscreen) {
1228         /* is one of our transients focused? */
1229         c = search_focus_tree(self, self);
1230         if (c != NULL) fs = TRUE;
1231     }
1232   
1233     if (self->iconic) l = Layer_Icon;
1234     else if (fs) l = Layer_Fullscreen;
1235     else if (self->type == Type_Desktop) l = Layer_Desktop;
1236     else if (self->type == Type_Dock) {
1237         if (!self->below) l = Layer_Top;
1238         else l = Layer_Normal;
1239     }
1240     else if (self->above) l = Layer_Above;
1241     else if (self->below) l = Layer_Below;
1242     else l = Layer_Normal;
1243      
1244     if (l != self->layer) {
1245         self->layer = l;
1246         if (self->frame)
1247             stacking_raise(self);
1248     }
1249 }
1250
1251 gboolean client_should_show(Client *self)
1252 {
1253     if (self->iconic) return FALSE;
1254     else if (!(self->desktop == screen_desktop ||
1255                self->desktop == DESKTOP_ALL)) return FALSE;
1256     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1257     
1258     return TRUE;
1259 }
1260
1261 static void client_showhide(Client *self)
1262 {
1263
1264     if (client_should_show(self))
1265         engine_frame_show(self->frame);
1266     else
1267         engine_frame_hide(self->frame);
1268 }
1269
1270 gboolean client_normal(Client *self) {
1271     return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1272               self->type == Type_Splash);
1273 }
1274
1275 static void client_apply_startup_state(Client *self)
1276 {
1277     /* these are in a carefully crafted order.. */
1278
1279     if (self->iconic) {
1280         self->iconic = FALSE;
1281         client_iconify(self, TRUE, FALSE);
1282     }
1283     if (self->fullscreen) {
1284         self->fullscreen = FALSE;
1285         client_fullscreen(self, TRUE, FALSE);
1286     }
1287     if (self->shaded) {
1288         self->shaded = FALSE;
1289         client_shade(self, TRUE);
1290     }
1291     if (self->urgent)
1292         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1293   
1294     if (self->max_vert && self->max_horz) {
1295         self->max_vert = self->max_horz = FALSE;
1296         client_maximize(self, TRUE, 0, FALSE);
1297     } else if (self->max_vert) {
1298         self->max_vert = FALSE;
1299         client_maximize(self, TRUE, 2, FALSE);
1300     } else if (self->max_horz) {
1301         self->max_horz = FALSE;
1302         client_maximize(self, TRUE, 1, FALSE);
1303     }
1304
1305     /* nothing to do for the other states:
1306        skip_taskbar
1307        skip_pager
1308        modal
1309        above
1310        below
1311     */
1312 }
1313
1314 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1315                       gboolean user, gboolean final)
1316 {
1317     gboolean moved = FALSE, resized = FALSE;
1318
1319     /* set the size and position if fullscreen */
1320     if (self->fullscreen) {
1321         x = 0;
1322         y = 0;
1323         w = screen_physical_size.width;
1324         h = screen_physical_size.height;
1325     } else {
1326         /* set the size and position if maximized */
1327         if (self->max_horz) {
1328             x = screen_area(self->desktop)->x - self->frame->size.left;
1329             w = screen_area(self->desktop)->width;
1330         }
1331         if (self->max_vert) {
1332             y = screen_area(self->desktop)->y;
1333             h = screen_area(self->desktop)->height -
1334                 self->frame->size.top - self->frame->size.bottom;
1335         }
1336     }
1337
1338     /* these override the above states! if you cant move you can't move! */
1339     if (user) {
1340         if (!(self->functions & Func_Move)) {
1341             x = self->area.x;
1342             y = self->area.y;
1343         }
1344         if (!(self->functions & Func_Resize)) {
1345             w = self->area.width;
1346             h = self->area.height;
1347         }
1348     }
1349
1350     if (!(w == self->area.width && h == self->area.height)) {
1351         w -= self->base_size.width;
1352         h -= self->base_size.height;
1353
1354         if (user) {
1355             /* for interactive resizing. have to move half an increment in each
1356                direction. */
1357
1358             /* how far we are towards the next size inc */
1359             int mw = w % self->size_inc.width; 
1360             int mh = h % self->size_inc.height;
1361             /* amount to add */
1362             int aw = self->size_inc.width / 2;
1363             int ah = self->size_inc.height / 2;
1364             /* don't let us move into a new size increment */
1365             if (mw + aw >= self->size_inc.width)
1366                 aw = self->size_inc.width - mw - 1;
1367             if (mh + ah >= self->size_inc.height)
1368                 ah = self->size_inc.height - mh - 1;
1369             w += aw;
1370             h += ah;
1371     
1372             /* if this is a user-requested resize, then check against min/max
1373                sizes and aspect ratios */
1374
1375             /* smaller than min size or bigger than max size? */
1376             if (w > self->max_size.width) w = self->max_size.width;
1377             if (w < self->min_size.width) w = self->min_size.width;
1378             if (h > self->max_size.height) h = self->max_size.height;
1379             if (h < self->min_size.height) h = self->min_size.height;
1380
1381             /* adjust the height ot match the width for the aspect ratios */
1382             if (self->min_ratio)
1383                 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1384             if (self->max_ratio)
1385                 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1386         }
1387
1388         /* keep to the increments */
1389         w /= self->size_inc.width;
1390         h /= self->size_inc.height;
1391
1392         /* you cannot resize to nothing */
1393         if (w < 1) w = 1;
1394         if (h < 1) h = 1;
1395   
1396         /* store the logical size */
1397         SIZE_SET(self->logical_size, w, h);
1398
1399         w *= self->size_inc.width;
1400         h *= self->size_inc.height;
1401
1402         w += self->base_size.width;
1403         h += self->base_size.height;
1404     }
1405
1406     switch (anchor) {
1407     case Corner_TopLeft:
1408         break;
1409     case Corner_TopRight:
1410         x -= w - self->area.width;
1411         break;
1412     case Corner_BottomLeft:
1413         y -= h - self->area.height;
1414         break;
1415     case Corner_BottomRight:
1416         x -= w - self->area.width;
1417         y -= h - self->area.height;
1418         break;
1419     }
1420
1421     moved = x != self->area.x || y != self->area.y;
1422     resized = w != self->area.width || h != self->area.height;
1423
1424     RECT_SET(self->area, x, y, w, h);
1425
1426     if (resized)
1427         XResizeWindow(ob_display, self->window, w, h);
1428
1429     /* move/resize the frame to match the request */
1430     if (self->frame) {
1431         if (moved || resized)
1432             engine_frame_adjust_area(self->frame, moved, resized);
1433
1434         if (!user || final) {
1435             XEvent event;
1436             event.type = ConfigureNotify;
1437             event.xconfigure.display = ob_display;
1438             event.xconfigure.event = self->window;
1439             event.xconfigure.window = self->window;
1440     
1441             /* root window coords with border in mind */
1442             event.xconfigure.x = x - self->border_width +
1443                 self->frame->size.left;
1444             event.xconfigure.y = y - self->border_width +
1445                 self->frame->size.top;
1446     
1447             event.xconfigure.width = self->area.width;
1448             event.xconfigure.height = self->area.height;
1449             event.xconfigure.border_width = self->border_width;
1450             event.xconfigure.above = self->frame->plate;
1451             event.xconfigure.override_redirect = FALSE;
1452             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1453                        FALSE, StructureNotifyMask, &event);
1454         }
1455     }
1456 }
1457
1458 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1459 {
1460     int x, y, w, h;
1461
1462     if (!(self->functions & Func_Fullscreen) || /* can't */
1463         self->fullscreen == fs) return;         /* already done */
1464
1465     self->fullscreen = fs;
1466     client_change_state(self); /* change the state hints on the client */
1467
1468     if (fs) {
1469         /* save the functions and remove them */
1470         self->pre_fs_func = self->functions;
1471         self->functions &= (Func_Close | Func_Fullscreen |
1472                             Func_Iconify);
1473         /* save the decorations and remove them */
1474         self->pre_fs_decor = self->decorations;
1475         self->decorations = 0;
1476         if (savearea) {
1477             long dimensions[4];
1478             dimensions[0] = self->area.x;
1479             dimensions[1] = self->area.y;
1480             dimensions[2] = self->area.width;
1481             dimensions[3] = self->area.height;
1482   
1483             PROP_SET32A(self->window, openbox_premax, cardinal,
1484                         dimensions, 4);
1485         }
1486
1487         /* these are not actually used cuz client_configure will set them
1488            as appropriate when the window is fullscreened */
1489         x = y = w = h = 0;
1490     } else {
1491         long *dimensions;
1492
1493         self->functions = self->pre_fs_func;
1494         self->decorations = self->pre_fs_decor;
1495           
1496         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1497                         dimensions, 4)) {
1498             x = dimensions[0];
1499             y = dimensions[1];
1500             w = dimensions[2];
1501             h = dimensions[3];
1502             g_free(dimensions);
1503         } else {
1504             /* pick some fallbacks... */
1505             x = screen_area(self->desktop)->x +
1506                 screen_area(self->desktop)->width / 4;
1507             y = screen_area(self->desktop)->y +
1508                 screen_area(self->desktop)->height / 4;
1509             w = screen_area(self->desktop)->width / 2;
1510             h = screen_area(self->desktop)->height / 2;
1511         }
1512     }
1513
1514     client_change_allowed_actions(self); /* based on the new _functions */
1515
1516     /* when fullscreening, don't obey things like increments, fill the
1517        screen */
1518     client_configure(self, Corner_TopLeft, x, y, w, h, !fs, TRUE);
1519
1520     /* raise (back) into our stacking layer */
1521     stacking_raise(self);
1522
1523     /* try focus us when we go into fullscreen mode */
1524     client_focus(self);
1525 }
1526
1527 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1528 {
1529     if (self->iconic == iconic) return; /* nothing to do */
1530
1531     g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1532               self->window);
1533
1534     self->iconic = iconic;
1535
1536     if (iconic) {
1537         self->wmstate = IconicState;
1538         self->ignore_unmaps++;
1539         /* we unmap the client itself so that we can get MapRequest events,
1540            and because the ICCCM tells us to! */
1541         XUnmapWindow(ob_display, self->window);
1542     } else {
1543         if (curdesk)
1544             client_set_desktop(self, screen_desktop, FALSE);
1545         self->wmstate = self->shaded ? IconicState : NormalState;
1546         XMapWindow(ob_display, self->window);
1547     }
1548     client_change_state(self);
1549     client_showhide(self);
1550     screen_update_struts();
1551
1552     dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1553                     self, 0, 0);
1554 }
1555
1556 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1557 {
1558     int x, y, w, h;
1559      
1560     g_assert(dir == 0 || dir == 1 || dir == 2);
1561     if (!(self->functions & Func_Maximize)) return; /* can't */
1562
1563     /* check if already done */
1564     if (max) {
1565         if (dir == 0 && self->max_horz && self->max_vert) return;
1566         if (dir == 1 && self->max_horz) return;
1567         if (dir == 2 && self->max_vert) return;
1568     } else {
1569         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1570         if (dir == 1 && !self->max_horz) return;
1571         if (dir == 2 && !self->max_vert) return;
1572     }
1573
1574     /* work with the frame's coords */
1575     x = self->frame->area.x;
1576     y = self->frame->area.y;
1577     w = self->area.width;
1578     h = self->area.height;
1579
1580     if (max) {
1581         if (savearea) {
1582             long dimensions[4];
1583             long *readdim;
1584
1585             dimensions[0] = x;
1586             dimensions[1] = y;
1587             dimensions[2] = w;
1588             dimensions[3] = h;
1589
1590             /* get the property off the window and use it for the dimensions
1591                we are already maxed on */
1592             if (PROP_GET32A(self->window, openbox_premax, cardinal,
1593                             readdim, 4)) {
1594                 if (self->max_horz) {
1595                     dimensions[0] = readdim[0];
1596                     dimensions[2] = readdim[2];
1597                 }
1598                 if (self->max_vert) {
1599                     dimensions[1] = readdim[1];
1600                     dimensions[3] = readdim[3];
1601                 }
1602                 g_free(readdim);
1603             }
1604
1605             PROP_SET32A(self->window, openbox_premax, cardinal,
1606                         dimensions, 4);
1607         }
1608
1609         /* pass the client's current position info. the client_configure
1610            will move/size stuff as appropriate for a maximized window */
1611         x = self->area.x;
1612         y = self->area.y;
1613         w = self->area.width;
1614         h = self->area.height;
1615     } else {
1616         long *dimensions;
1617
1618         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1619                         dimensions, 4)) {
1620             if (dir == 0 || dir == 1) { /* horz */
1621                 x = dimensions[0];
1622                 w = dimensions[2];
1623             }
1624             if (dir == 0 || dir == 2) { /* vert */
1625                 y = dimensions[1];
1626                 h = dimensions[3];
1627             }
1628             g_free(dimensions);
1629         } else {
1630             /* pick some fallbacks... */
1631             if (dir == 0 || dir == 1) { /* horz */
1632                 x = screen_area(self->desktop)->x +
1633                     screen_area(self->desktop)->width / 4;
1634                 w = screen_area(self->desktop)->width / 2;
1635             }
1636             if (dir == 0 || dir == 2) { /* vert */
1637                 y = screen_area(self->desktop)->y +
1638                     screen_area(self->desktop)->height / 4;
1639                 h = screen_area(self->desktop)->height / 2;
1640             }
1641         }
1642     }
1643
1644     if (dir == 0 || dir == 1) /* horz */
1645         self->max_horz = max;
1646     if (dir == 0 || dir == 2) /* vert */
1647         self->max_vert = max;
1648
1649     if (!self->max_horz && !self->max_vert)
1650         PROP_ERASE(self->window, openbox_premax);
1651
1652     client_change_state(self); /* change the state hints on the client */
1653
1654     /* figure out where the client should be going */
1655     frame_frame_gravity(self->frame, &x, &y);
1656     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1657 }
1658
1659 void client_shade(Client *self, gboolean shade)
1660 {
1661     if (!(self->functions & Func_Shade) || /* can't */
1662         self->shaded == shade) return;     /* already done */
1663
1664     /* when we're iconic, don't change the wmstate */
1665     if (!self->iconic)
1666         self->wmstate = shade ? IconicState : NormalState;
1667     self->shaded = shade;
1668     client_change_state(self);
1669     /* resize the frame to just the titlebar */
1670     engine_frame_adjust_area(self->frame, FALSE, FALSE);
1671 }
1672
1673 void client_close(Client *self)
1674 {
1675     XEvent ce;
1676
1677     if (!(self->functions & Func_Close)) return;
1678
1679     /*
1680       XXX: itd be cool to do timeouts and shit here for killing the client's
1681       process off
1682       like... if the window is around after 5 seconds, then the close button
1683       turns a nice red, and if this function is called again, the client is
1684       explicitly killed.
1685     */
1686
1687     ce.xclient.type = ClientMessage;
1688     ce.xclient.message_type =  prop_atoms.wm_protocols;
1689     ce.xclient.display = ob_display;
1690     ce.xclient.window = self->window;
1691     ce.xclient.format = 32;
1692     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1693     ce.xclient.data.l[1] = event_lasttime;
1694     ce.xclient.data.l[2] = 0l;
1695     ce.xclient.data.l[3] = 0l;
1696     ce.xclient.data.l[4] = 0l;
1697     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1698 }
1699
1700 void client_kill(Client *self)
1701 {
1702     XKillClient(ob_display, self->window);
1703 }
1704
1705 void client_set_desktop(Client *self, guint target, gboolean donthide)
1706 {
1707     guint old, i;
1708     ConfigValue focus_new;
1709
1710     if (target == self->desktop) return;
1711   
1712     g_message("Setting desktop %u", target);
1713
1714     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1715
1716     old = self->desktop;
1717     self->desktop = target;
1718     PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1719     /* the frame can display the current desktop state */
1720     engine_frame_adjust_state(self->frame);
1721     /* 'move' the window to the new desktop */
1722     if (!donthide)
1723         client_showhide(self);
1724     stacking_raise(self);
1725     screen_update_struts();
1726
1727     /* update the focus lists */
1728     if (!config_get("focusNew", Config_Bool, &focus_new))
1729         g_assert_not_reached();
1730     if (old == DESKTOP_ALL) {
1731         for (i = 0; i < screen_num_desktops; ++i)
1732             focus_order[i] = g_list_remove(focus_order[i], self);
1733     } else
1734         focus_order[old] = g_list_remove(focus_order[old], self);
1735     if (target == DESKTOP_ALL) {
1736         for (i = 0; i < screen_num_desktops; ++i) {
1737             if (focus_new.bool)
1738                 focus_order[i] = g_list_prepend(focus_order[i], self);
1739             else
1740                 focus_order[i] = g_list_append(focus_order[i], self);
1741         }
1742     } else {
1743         if (focus_new.bool)
1744             focus_order[target] = g_list_prepend(focus_order[target], self);
1745         else
1746             focus_order[target] = g_list_append(focus_order[target], self);
1747     }
1748
1749     dispatch_client(Event_Client_Desktop, self, target, old);
1750 }
1751
1752 static Client *search_modal_tree(Client *node, Client *skip)
1753 {
1754     GSList *it;
1755     Client *ret;
1756   
1757     for (it = node->transients; it != NULL; it = it->next) {
1758         Client *c = it->data;
1759         if (c == skip) continue; /* circular? */
1760         if ((ret = search_modal_tree(c, skip))) return ret;
1761         if (c->modal) return c;
1762     }
1763     return NULL;
1764 }
1765
1766 Client *client_find_modal_child(Client *self)
1767 {
1768     return search_modal_tree(self, self);
1769 }
1770
1771 gboolean client_validate(Client *self)
1772 {
1773     XEvent e; 
1774
1775     XSync(ob_display, FALSE); /* get all events on the server */
1776
1777     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1778         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1779         XPutBackEvent(ob_display, &e);
1780         return FALSE;
1781     }
1782
1783     return TRUE;
1784 }
1785
1786 void client_set_wm_state(Client *self, long state)
1787 {
1788     if (state == self->wmstate) return; /* no change */
1789   
1790     switch (state) {
1791     case IconicState:
1792         client_iconify(self, TRUE, TRUE);
1793         break;
1794     case NormalState:
1795         client_iconify(self, FALSE, TRUE);
1796         break;
1797     }
1798 }
1799
1800 void client_set_state(Client *self, Atom action, long data1, long data2)
1801 {
1802     gboolean shaded = self->shaded;
1803     gboolean fullscreen = self->fullscreen;
1804     gboolean max_horz = self->max_horz;
1805     gboolean max_vert = self->max_vert;
1806     int i;
1807
1808     if (!(action == prop_atoms.net_wm_state_add ||
1809           action == prop_atoms.net_wm_state_remove ||
1810           action == prop_atoms.net_wm_state_toggle))
1811         /* an invalid action was passed to the client message, ignore it */
1812         return; 
1813
1814     for (i = 0; i < 2; ++i) {
1815         Atom state = i == 0 ? data1 : data2;
1816     
1817         if (!state) continue;
1818
1819         /* if toggling, then pick whether we're adding or removing */
1820         if (action == prop_atoms.net_wm_state_toggle) {
1821             if (state == prop_atoms.net_wm_state_modal)
1822                 action = self->modal ? prop_atoms.net_wm_state_remove :
1823                     prop_atoms.net_wm_state_add;
1824             else if (state == prop_atoms.net_wm_state_maximized_vert)
1825                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1826                     prop_atoms.net_wm_state_add;
1827             else if (state == prop_atoms.net_wm_state_maximized_horz)
1828                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1829                     prop_atoms.net_wm_state_add;
1830             else if (state == prop_atoms.net_wm_state_shaded)
1831                 action = self->shaded ? prop_atoms.net_wm_state_remove :
1832                     prop_atoms.net_wm_state_add;
1833             else if (state == prop_atoms.net_wm_state_skip_taskbar)
1834                 action = self->skip_taskbar ?
1835                     prop_atoms.net_wm_state_remove :
1836                     prop_atoms.net_wm_state_add;
1837             else if (state == prop_atoms.net_wm_state_skip_pager)
1838                 action = self->skip_pager ?
1839                     prop_atoms.net_wm_state_remove :
1840                     prop_atoms.net_wm_state_add;
1841             else if (state == prop_atoms.net_wm_state_fullscreen)
1842                 action = self->fullscreen ?
1843                     prop_atoms.net_wm_state_remove :
1844                     prop_atoms.net_wm_state_add;
1845             else if (state == prop_atoms.net_wm_state_above)
1846                 action = self->above ? prop_atoms.net_wm_state_remove :
1847                     prop_atoms.net_wm_state_add;
1848             else if (state == prop_atoms.net_wm_state_below)
1849                 action = self->below ? prop_atoms.net_wm_state_remove :
1850                     prop_atoms.net_wm_state_add;
1851         }
1852     
1853         if (action == prop_atoms.net_wm_state_add) {
1854             if (state == prop_atoms.net_wm_state_modal) {
1855                 /* XXX raise here or something? */
1856                 self->modal = TRUE;
1857             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1858                 max_vert = TRUE;
1859             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1860                 max_horz = TRUE;
1861             } else if (state == prop_atoms.net_wm_state_shaded) {
1862                 shaded = TRUE;
1863             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1864                 self->skip_taskbar = TRUE;
1865             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1866                 self->skip_pager = TRUE;
1867             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1868                 fullscreen = TRUE;
1869             } else if (state == prop_atoms.net_wm_state_above) {
1870                 self->above = TRUE;
1871             } else if (state == prop_atoms.net_wm_state_below) {
1872                 self->below = TRUE;
1873             }
1874
1875         } else { /* action == prop_atoms.net_wm_state_remove */
1876             if (state == prop_atoms.net_wm_state_modal) {
1877                 self->modal = FALSE;
1878             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1879                 max_vert = FALSE;
1880             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1881                 max_horz = FALSE;
1882             } else if (state == prop_atoms.net_wm_state_shaded) {
1883                 shaded = FALSE;
1884             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1885                 self->skip_taskbar = FALSE;
1886             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1887                 self->skip_pager = FALSE;
1888             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1889                 fullscreen = FALSE;
1890             } else if (state == prop_atoms.net_wm_state_above) {
1891                 self->above = FALSE;
1892             } else if (state == prop_atoms.net_wm_state_below) {
1893                 self->below = FALSE;
1894             }
1895         }
1896     }
1897     if (max_horz != self->max_horz || max_vert != self->max_vert) {
1898         if (max_horz != self->max_horz && max_vert != self->max_vert) {
1899             /* toggling both */
1900             if (max_horz == max_vert) { /* both going the same way */
1901                 client_maximize(self, max_horz, 0, TRUE);
1902             } else {
1903                 client_maximize(self, max_horz, 1, TRUE);
1904                 client_maximize(self, max_vert, 2, TRUE);
1905             }
1906         } else {
1907             /* toggling one */
1908             if (max_horz != self->max_horz)
1909                 client_maximize(self, max_horz, 1, TRUE);
1910             else
1911                 client_maximize(self, max_vert, 2, TRUE);
1912         }
1913     }
1914     /* change fullscreen state before shading, as it will affect if the window
1915        can shade or not */
1916     if (fullscreen != self->fullscreen)
1917         client_fullscreen(self, fullscreen, TRUE);
1918     if (shaded != self->shaded)
1919         client_shade(self, shaded);
1920     client_calc_layer(self);
1921     client_change_state(self); /* change the hint to relect these changes */
1922 }
1923
1924 gboolean client_focus(Client *self)
1925 {
1926     XEvent ev;
1927     Client *child;
1928      
1929     /* if we have a modal child, then focus it, not us */
1930     child = client_find_modal_child(self);
1931     if (child)
1932         return client_focus(child);
1933
1934     /* won't try focus if the client doesn't want it, or if the window isn't
1935        visible on the screen */
1936     if (!(self->frame->visible &&
1937           (self->can_focus || self->focus_notify)))
1938         return FALSE;
1939
1940     /* do a check to see if the window has already been unmapped or destroyed
1941        do this intelligently while watching out for unmaps we've generated
1942        (ignore_unmaps > 0) */
1943     if (XCheckTypedWindowEvent(ob_display, self->window,
1944                                DestroyNotify, &ev)) {
1945         XPutBackEvent(ob_display, &ev);
1946         return FALSE;
1947     }
1948     while (XCheckTypedWindowEvent(ob_display, self->window,
1949                                   UnmapNotify, &ev)) {
1950         if (self->ignore_unmaps) {
1951             self->ignore_unmaps--;
1952         } else {
1953             XPutBackEvent(ob_display, &ev);
1954             return FALSE;
1955         }
1956     }
1957
1958     if (self->can_focus)
1959         /* RevertToNone is used so that windows dont get focused inadvertantly
1960            by having the pointer in them, and then FocusIn events go missing */
1961         XSetInputFocus(ob_display, self->window, RevertToNone,
1962                        event_lasttime);
1963
1964     if (self->focus_notify) {
1965         XEvent ce;
1966         ce.xclient.type = ClientMessage;
1967         ce.xclient.message_type = prop_atoms.wm_protocols;
1968         ce.xclient.display = ob_display;
1969         ce.xclient.window = self->window;
1970         ce.xclient.format = 32;
1971         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
1972         ce.xclient.data.l[1] = event_lasttime;
1973         ce.xclient.data.l[2] = 0l;
1974         ce.xclient.data.l[3] = 0l;
1975         ce.xclient.data.l[4] = 0l;
1976         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1977     }
1978
1979     g_message("focusing %lx", self->window);
1980
1981     /* Cause the FocusIn to come back to us. Important for desktop switches,
1982        since otherwise we'll have no FocusIn on the queue and send it off to
1983        the focus_backup. */
1984     XSync(ob_display, FALSE);
1985     return TRUE;
1986 }
1987
1988 void client_unfocus(Client *self)
1989 {
1990     g_assert(focus_client == self);
1991     focus_fallback(FALSE);
1992 }
1993
1994 gboolean client_focused(Client *self)
1995 {
1996     return self == focus_client;
1997 }
1998
1999 Icon *client_icon(Client *self, int w, int h)
2000 {
2001     int i;
2002     /* si is the smallest image >= req */
2003     /* li is the largest image < req */
2004     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2005
2006     if (!self->nicons) return NULL;
2007
2008     for (i = 0; i < self->nicons; ++i) {
2009         size = self->icons[i].width * self->icons[i].height;
2010         if (size < smallest && size >= (unsigned)(w * h)) {
2011             smallest = size;
2012             si = i;
2013         }
2014         if (size > largest && size <= (unsigned)(w * h)) {
2015             largest = size;
2016             li = i;
2017         }
2018     }
2019     if (largest == 0) /* didnt find one smaller than the requested size */
2020         return &self->icons[si];
2021     return &self->icons[li];
2022 }