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