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[chaz/openbox] / openbox / client.c
1 #include "client.h"
2 #include "dock.h"
3 #include "xerror.h"
4 #include "startup.h"
5 #include "screen.h"
6 #include "moveresize.h"
7 #include "prop.h"
8 #include "extensions.h"
9 #include "frame.h"
10 #include "event.h"
11 #include "grab.h"
12 #include "focus.h"
13 #include "stacking.h"
14 #include "dispatch.h"
15 #include "openbox.h"
16 #include "group.h"
17 #include "config.h"
18 #include "menu.h"
19 #include "render/render.h"
20
21 #include <glib.h>
22 #include <X11/Xutil.h>
23
24 /*! The event mask to grab on client windows */
25 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
26 StructureNotifyMask)
27
28 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
29 ButtonMotionMask)
30
31 GList *client_list = NULL;
32
33 static void client_get_all(Client *self);
34 static void client_toggle_border(Client *self, gboolean show);
35 static void client_get_area(Client *self);
36 static void client_get_desktop(Client *self);
37 static void client_get_state(Client *self);
38 static void client_get_shaped(Client *self);
39 static void client_get_mwm_hints(Client *self);
40 static void client_get_gravity(Client *self);
41 static void client_showhide(Client *self);
42 static void client_change_allowed_actions(Client *self);
43 static void client_change_state(Client *self);
44 static void client_apply_startup_state(Client *self);
45
46 void client_startup()
47 {
48 client_set_list();
49 }
50
51 void client_shutdown()
52 {
53 }
54
55 void client_set_list()
56 {
57 Window *windows, *win_it;
58 GList *it;
59 guint size = g_list_length(client_list);
60
61 /* create an array of the window ids */
62 if (size > 0) {
63 windows = g_new(Window, size);
64 win_it = windows;
65 for (it = client_list; it != NULL; it = it->next, ++win_it)
66 *win_it = ((Client*)it->data)->window;
67 } else
68 windows = NULL;
69
70 PROP_SETA32(ob_root, net_client_list, window, (guint32*)windows, size);
71
72 if (windows)
73 g_free(windows);
74
75 stacking_set_list();
76 }
77
78 /*
79 void client_foreach_transient(Client *self, ClientForeachFunc func, void *data)
80 {
81 GSList *it;
82
83 for (it = self->transients; it; it = it->next) {
84 if (!func(it->data, data)) return;
85 client_foreach_transient(it->data, func, data);
86 }
87 }
88
89 void client_foreach_ancestor(Client *self, ClientForeachFunc func, void *data)
90 {
91 if (self->transient_for) {
92 if (self->transient_for != TRAN_GROUP) {
93 if (!func(self->transient_for, data)) return;
94 client_foreach_ancestor(self->transient_for, func, data);
95 } else {
96 GSList *it;
97
98 for (it = self->group->members; it; it = it->next)
99 if (it->data != self &&
100 !((Client*)it->data)->transient_for) {
101 if (!func(it->data, data)) return;
102 client_foreach_ancestor(it->data, func, data);
103 }
104 }
105 }
106 }
107 */
108
109 void client_manage_all()
110 {
111 unsigned int i, j, nchild;
112 Window w, *children;
113 XWMHints *wmhints;
114 XWindowAttributes attrib;
115
116 XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
117
118 /* remove all icon windows from the list */
119 for (i = 0; i < nchild; i++) {
120 if (children[i] == None) continue;
121 wmhints = XGetWMHints(ob_display, children[i]);
122 if (wmhints) {
123 if ((wmhints->flags & IconWindowHint) &&
124 (wmhints->icon_window != children[i]))
125 for (j = 0; j < nchild; j++)
126 if (children[j] == wmhints->icon_window) {
127 children[j] = None;
128 break;
129 }
130 XFree(wmhints);
131 }
132 }
133
134 for (i = 0; i < nchild; ++i) {
135 if (children[i] == None)
136 continue;
137 if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
138 if (attrib.override_redirect) continue;
139
140 if (attrib.map_state != IsUnmapped)
141 client_manage(children[i]);
142 }
143 }
144 XFree(children);
145
146 /* stack them as they were on startup!
147 why with stacking_lower? Why, because then windows who aren't in the
148 stacking list are on the top where you can see them instead of buried
149 at the bottom! */
150 for (i = startup_stack_size; i > 0; --i) {
151 ObWindow *obw;
152
153 w = startup_stack_order[i-1];
154 obw = g_hash_table_lookup(window_map, &w);
155 if (obw) {
156 g_assert(WINDOW_IS_CLIENT(obw));
157 stacking_lower(CLIENT_AS_WINDOW(obw));
158 }
159 }
160 g_free(startup_stack_order);
161 startup_stack_order = NULL;
162 startup_stack_size = 0;
163
164 if (config_focus_new) {
165 ObWindow *active;
166
167 active = g_hash_table_lookup(window_map, &startup_active);
168 if (active) {
169 g_assert(WINDOW_IS_CLIENT(active));
170 if (!client_focus(WINDOW_AS_CLIENT(active)))
171 focus_fallback(Fallback_NoFocus);
172 } else
173 focus_fallback(Fallback_NoFocus);
174 }
175 }
176
177 void client_manage(Window window)
178 {
179 Client *self;
180 XEvent e;
181 XWindowAttributes attrib;
182 XSetWindowAttributes attrib_set;
183 XWMHints *wmhint;
184 gboolean activate = FALSE;
185
186 grab_server(TRUE);
187
188 /* check if it has already been unmapped by the time we started mapping
189 the grab does a sync so we don't have to here */
190 if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
191 XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
192 XPutBackEvent(ob_display, &e);
193
194 grab_server(FALSE);
195 return; /* don't manage it */
196 }
197
198 /* make sure it isn't an override-redirect window */
199 if (!XGetWindowAttributes(ob_display, window, &attrib) ||
200 attrib.override_redirect) {
201 grab_server(FALSE);
202 return; /* don't manage it */
203 }
204
205 /* is the window a docking app */
206 if ((wmhint = XGetWMHints(ob_display, window))) {
207 if ((wmhint->flags & StateHint) &&
208 wmhint->initial_state == WithdrawnState) {
209 dock_add(window, wmhint);
210 grab_server(FALSE);
211 XFree(wmhint);
212 return;
213 }
214 XFree(wmhint);
215 }
216
217 g_message("Managing window: %lx", window);
218
219 /* choose the events we want to receive on the CLIENT window */
220 attrib_set.event_mask = CLIENT_EVENTMASK;
221 attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
222 XChangeWindowAttributes(ob_display, window,
223 CWEventMask|CWDontPropagate, &attrib_set);
224
225
226 /* create the Client struct, and populate it from the hints on the
227 window */
228 self = g_new(Client, 1);
229 self->obwin.type = Window_Client;
230 self->window = window;
231 client_get_all(self);
232
233 /* remove the client's border (and adjust re gravity) */
234 client_toggle_border(self, FALSE);
235
236 /* specify that if we exit, the window should not be destroyed and should
237 be reparented back to root automatically */
238 XChangeSaveSet(ob_display, window, SetModeInsert);
239
240 /* create the decoration frame for the client window */
241 self->frame = frame_new();
242
243 frame_grab_client(self->frame, self);
244
245 client_apply_startup_state(self);
246
247 grab_server(FALSE);
248
249 /* add to client list/map */
250 client_list = g_list_append(client_list, self);
251 g_hash_table_insert(window_map, &self->window, self);
252
253 /* update the focus lists */
254 focus_order_add_new(self);
255
256 /* focus the new window? */
257 if (ob_state != State_Starting && config_focus_new &&
258 (self->type == Type_Normal || self->type == Type_Dialog)) {
259 gboolean group_foc = FALSE;
260
261 if (self->group) {
262 GSList *it;
263
264 for (it = self->group->members; it; it = it->next) {
265 if (client_focused(it->data)) {
266 group_foc = TRUE;
267 break;
268 }
269 }
270 }
271 /* note the check against Type_Normal/Dialog, not client_normal(self),
272 which would also include other types. in this case we want more
273 strict rules for focus */
274 if ((group_foc ||
275 (!self->transient_for && (!self->group ||
276 !self->group->members->next))) ||
277 client_search_focus_tree_full(self) ||
278 !focus_client ||
279 !client_normal(focus_client)) {
280 /* activate the window */
281 stacking_add(CLIENT_AS_WINDOW(self));
282 activate = TRUE;
283 } else {
284 /* try to not get in the way */
285 stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
286 }
287 } else {
288 stacking_add(CLIENT_AS_WINDOW(self));
289 }
290
291 screen_update_struts();
292
293 /* make sure the window is visible */
294 client_move_onscreen(self);
295
296 dispatch_client(Event_Client_New, self, 0, 0);
297
298 client_showhide(self);
299
300 if (activate) client_activate(self);
301
302 /* update the list hints */
303 client_set_list();
304
305 dispatch_client(Event_Client_Mapped, self, 0, 0);
306
307 g_message("Managed window 0x%lx (%s)", window, self->class);
308 }
309
310 void client_unmanage_all()
311 {
312 while (client_list != NULL)
313 client_unmanage(client_list->data);
314 }
315
316 /* called by client_unmanage() to close any menus referencing this client */
317 void client_close_menus(gpointer key, gpointer value, gpointer self)
318 {
319 if (((Menu *)value)->client == (Client *)self)
320 menu_hide((Menu *)value);
321 }
322
323 void client_unmanage(Client *self)
324 {
325 int j;
326 GSList *it;
327
328 g_message("Unmanaging window: %lx (%s)", self->window, self->class);
329
330 dispatch_client(Event_Client_Destroy, self, 0, 0);
331 g_assert(self != NULL);
332
333 /* remove the window from our save set */
334 XChangeSaveSet(ob_display, self->window, SetModeDelete);
335
336 /* we dont want events no more */
337 XSelectInput(ob_display, self->window, NoEventMask);
338
339 frame_hide(self->frame);
340
341 client_list = g_list_remove(client_list, self);
342 stacking_remove(self);
343 g_hash_table_remove(window_map, &self->window);
344
345 /* update the focus lists */
346 focus_order_remove(self);
347
348 /* once the client is out of the list, update the struts to remove it's
349 influence */
350 screen_update_struts();
351
352 /* tell our parent(s) that we're gone */
353 if (self->transient_for == TRAN_GROUP) { /* transient of group */
354 GSList *it;
355
356 for (it = self->group->members; it; it = it->next)
357 if (it->data != self)
358 ((Client*)it->data)->transients =
359 g_slist_remove(((Client*)it->data)->transients, self);
360 } else if (self->transient_for) { /* transient of window */
361 self->transient_for->transients =
362 g_slist_remove(self->transient_for->transients, self);
363 }
364
365 /* tell our transients that we're gone */
366 for (it = self->transients; it != NULL; it = it->next) {
367 if (((Client*)it->data)->transient_for != TRAN_GROUP) {
368 ((Client*)it->data)->transient_for = NULL;
369 client_calc_layer(it->data);
370 }
371 }
372
373 if (moveresize_client == self)
374 moveresize_end(TRUE);
375
376 /* close any windows that are attached to this window */
377 g_hash_table_foreach(menu_hash, client_close_menus, self);
378
379
380 if (focus_client == self) {
381 XEvent e;
382
383 /* focus the last focused window on the desktop, and ignore enter
384 events from the unmap so it doesnt mess with the focus */
385 while (XCheckTypedEvent(ob_display, EnterNotify, &e));
386 client_unfocus(self);
387 }
388
389 /* remove from its group */
390 if (self->group) {
391 group_remove(self->group, self);
392 self->group = NULL;
393 }
394
395 /* dispatch the unmapped event */
396 dispatch_client(Event_Client_Unmapped, self, 0, 0);
397 g_assert(self != NULL);
398
399 /* give the client its border back */
400 client_toggle_border(self, TRUE);
401
402 /* reparent the window out of the frame, and free the frame */
403 frame_release_client(self->frame, self);
404 self->frame = NULL;
405
406 if (ob_state != State_Exiting) {
407 /* these values should not be persisted across a window
408 unmapping/mapping */
409 prop_erase(self->window, prop_atoms.net_wm_desktop);
410 prop_erase(self->window, prop_atoms.net_wm_state);
411 } else {
412 /* if we're left in an iconic state, the client wont be mapped. this is
413 bad, since we will no longer be managing the window on restart */
414 if (self->iconic)
415 XMapWindow(ob_display, self->window);
416 }
417
418
419 g_message("Unmanaged window 0x%lx", self->window);
420
421 /* free all data allocated in the client struct */
422 g_slist_free(self->transients);
423 for (j = 0; j < self->nicons; ++j)
424 g_free(self->icons[j].data);
425 if (self->nicons > 0)
426 g_free(self->icons);
427 g_free(self->title);
428 g_free(self->icon_title);
429 g_free(self->name);
430 g_free(self->class);
431 g_free(self->role);
432 g_free(self);
433
434 /* update the list hints */
435 client_set_list();
436 }
437
438 void client_move_onscreen(Client *self)
439 {
440 Rect *a;
441 int x = self->frame->area.x, y = self->frame->area.y;
442
443 a = screen_area(self->desktop);
444 if (x >= a->x + a->width - 1)
445 x = a->x + a->width - self->frame->area.width;
446 if (y >= a->y + a->height - 1)
447 y = a->y + a->height - self->frame->area.height;
448 if (x + self->frame->area.width - 1 < a->x)
449 x = a->x;
450 if (y + self->frame->area.height - 1< a->y)
451 y = a->y;
452
453 frame_frame_gravity(self->frame, &x, &y); /* get where the client
454 should be */
455 client_configure(self , Corner_TopLeft, x, y,
456 self->area.width, self->area.height,
457 TRUE, TRUE);
458 }
459
460 static void client_toggle_border(Client *self, gboolean show)
461 {
462 /* adjust our idea of where the client is, based on its border. When the
463 border is removed, the client should now be considered to be in a
464 different position.
465 when re-adding the border to the client, the same operation needs to be
466 reversed. */
467 int oldx = self->area.x, oldy = self->area.y;
468 int x = oldx, y = oldy;
469 switch(self->gravity) {
470 default:
471 case NorthWestGravity:
472 case WestGravity:
473 case SouthWestGravity:
474 break;
475 case NorthEastGravity:
476 case EastGravity:
477 case SouthEastGravity:
478 if (show) x -= self->border_width * 2;
479 else x += self->border_width * 2;
480 break;
481 case NorthGravity:
482 case SouthGravity:
483 case CenterGravity:
484 case ForgetGravity:
485 case StaticGravity:
486 if (show) x -= self->border_width;
487 else x += self->border_width;
488 break;
489 }
490 switch(self->gravity) {
491 default:
492 case NorthWestGravity:
493 case NorthGravity:
494 case NorthEastGravity:
495 break;
496 case SouthWestGravity:
497 case SouthGravity:
498 case SouthEastGravity:
499 if (show) y -= self->border_width * 2;
500 else y += self->border_width * 2;
501 break;
502 case WestGravity:
503 case EastGravity:
504 case CenterGravity:
505 case ForgetGravity:
506 case StaticGravity:
507 if (show) y -= self->border_width;
508 else y += self->border_width;
509 break;
510 }
511 self->area.x = x;
512 self->area.y = y;
513
514 if (show) {
515 XSetWindowBorderWidth(ob_display, self->window, self->border_width);
516
517 /* move the client so it is back it the right spot _with_ its
518 border! */
519 if (x != oldx || y != oldy)
520 XMoveWindow(ob_display, self->window, x, y);
521 } else
522 XSetWindowBorderWidth(ob_display, self->window, 0);
523 }
524
525
526 static void client_get_all(Client *self)
527 {
528 /* update EVERYTHING!! */
529
530 self->ignore_unmaps = 0;
531
532 /* defaults */
533 self->frame = NULL;
534 self->title = self->icon_title = NULL;
535 self->title_count = 1;
536 self->name = self->class = self->role = NULL;
537 self->wmstate = NormalState;
538 self->transient = FALSE;
539 self->transients = NULL;
540 self->transient_for = NULL;
541 self->layer = -1;
542 self->urgent = FALSE;
543 self->positioned = FALSE;
544 self->disabled_decorations = 0;
545 self->group = NULL;
546 self->nicons = 0;
547
548 client_get_area(self);
549 client_update_transient_for(self);
550 client_update_wmhints(self);
551 client_get_desktop(self);
552 client_get_state(self);
553 client_get_shaped(self);
554
555 client_get_mwm_hints(self);
556 client_get_type(self);/* this can change the mwmhints for special cases */
557
558 client_update_protocols(self);
559
560 client_get_gravity(self); /* get the attribute gravity */
561 client_update_normal_hints(self); /* this may override the attribute
562 gravity */
563
564 /* got the type, the mwmhints, the protocols, and the normal hints
565 (min/max sizes), so we're ready to set up the decorations/functions */
566 client_setup_decor_and_functions(self);
567
568 client_update_title(self);
569 client_update_class(self);
570 client_update_strut(self);
571 client_update_icons(self);
572
573 client_change_state(self);
574 }
575
576 static void client_get_area(Client *self)
577 {
578 XWindowAttributes wattrib;
579 Status ret;
580
581 ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
582 g_assert(ret != BadWindow);
583
584 RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
585 self->border_width = wattrib.border_width;
586 }
587
588 static void client_get_desktop(Client *self)
589 {
590 guint32 d;
591
592 if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
593 if (d >= screen_num_desktops && d != DESKTOP_ALL)
594 d = screen_num_desktops - 1;
595 self->desktop = d;
596 } else {
597 gboolean trdesk = FALSE;
598
599 if (self->transient_for) {
600 if (self->transient_for != TRAN_GROUP) {
601 self->desktop = self->transient_for->desktop;
602 trdesk = TRUE;
603 } else {
604 GSList *it;
605
606 for (it = self->group->members; it; it = it->next)
607 if (it->data != self &&
608 !((Client*)it->data)->transient_for) {
609 self->desktop = ((Client*)it->data)->desktop;
610 trdesk = TRUE;
611 break;
612 }
613 }
614 }
615 if (!trdesk)
616 /* defaults to the current desktop */
617 self->desktop = screen_desktop;
618
619 /* set the desktop hint, to make sure that it always exists */
620 PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
621 }
622 }
623
624 static void client_get_state(Client *self)
625 {
626 guint32 *state;
627 guint num;
628
629 self->modal = self->shaded = self->max_horz = self->max_vert =
630 self->fullscreen = self->above = self->below = self->iconic =
631 self->skip_taskbar = self->skip_pager = FALSE;
632
633 if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
634 gulong i;
635 for (i = 0; i < num; ++i) {
636 if (state[i] == prop_atoms.net_wm_state_modal)
637 self->modal = TRUE;
638 else if (state[i] == prop_atoms.net_wm_state_shaded)
639 self->shaded = TRUE;
640 else if (state[i] == prop_atoms.net_wm_state_hidden)
641 self->iconic = TRUE;
642 else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
643 self->skip_taskbar = TRUE;
644 else if (state[i] == prop_atoms.net_wm_state_skip_pager)
645 self->skip_pager = TRUE;
646 else if (state[i] == prop_atoms.net_wm_state_fullscreen)
647 self->fullscreen = TRUE;
648 else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
649 self->max_vert = TRUE;
650 else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
651 self->max_horz = TRUE;
652 else if (state[i] == prop_atoms.net_wm_state_above)
653 self->above = TRUE;
654 else if (state[i] == prop_atoms.net_wm_state_below)
655 self->below = TRUE;
656 }
657
658 g_free(state);
659 }
660 }
661
662 static void client_get_shaped(Client *self)
663 {
664 self->shaped = FALSE;
665 #ifdef SHAPE
666 if (extensions_shape) {
667 int foo;
668 guint ufoo;
669 int s;
670
671 XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
672
673 XShapeQueryExtents(ob_display, self->window, &s, &foo,
674 &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
675 &ufoo);
676 self->shaped = (s != 0);
677 }
678 #endif
679 }
680
681 void client_update_transient_for(Client *self)
682 {
683 Window t = None;
684 Client *c = NULL;
685
686 if (XGetTransientForHint(ob_display, self->window, &t)) {
687 self->transient = TRUE;
688 if (t != self->window) { /* cant be transient to itself! */
689 c = g_hash_table_lookup(window_map, &t);
690 /* if this happens then we need to check for it*/
691 g_assert(c != self);
692 g_assert(!c || WINDOW_IS_CLIENT(c));
693
694 if (!c && self->group) {
695 /* not transient to a client, see if it is transient for a
696 group */
697 if (t == self->group->leader ||
698 t == None ||
699 t == ob_root) {
700 /* window is a transient for its group! */
701 c = TRAN_GROUP;
702 }
703 }
704 }
705 } else
706 self->transient = FALSE;
707
708 /* if anything has changed... */
709 if (c != self->transient_for) {
710 if (self->transient_for == TRAN_GROUP) { /* transient of group */
711 GSList *it;
712
713 /* remove from old parents */
714 for (it = self->group->members; it; it = it->next)
715 if (it->data != self &&
716 !((Client*)it->data)->transient_for)
717 ((Client*)it->data)->transients =
718 g_slist_remove(((Client*)it->data)->transients, self);
719 } else if (self->transient_for != NULL) { /* transient of window */
720 /* remove from old parent */
721 self->transient_for->transients =
722 g_slist_remove(self->transient_for->transients, self);
723 }
724 self->transient_for = c;
725 if (self->transient_for == TRAN_GROUP) { /* transient of group */
726 GSList *it;
727
728 /* add to new parents */
729 for (it = self->group->members; it; it = it->next)
730 if (it->data != self &&
731 !((Client*)it->data)->transient_for)
732 ((Client*)it->data)->transients =
733 g_slist_append(((Client*)it->data)->transients, self);
734
735 /* remove all transients which are in the group, that causes
736 circlular pointer hell of doom */
737 for (it = self->group->members; it; it = it->next) {
738 GSList *sit, *next;
739 for (sit = self->transients; sit; sit = next) {
740 next = sit->next;
741 if (sit->data == it->data)
742 self->transients = g_slist_remove(self->transients,
743 sit->data);
744 }
745 }
746 } else if (self->transient_for != NULL) { /* transient of window */
747 /* add to new parent */
748 self->transient_for->transients =
749 g_slist_append(self->transient_for->transients, self);
750 }
751 }
752 }
753
754 static void client_get_mwm_hints(Client *self)
755 {
756 guint num;
757 guint32 *hints;
758
759 self->mwmhints.flags = 0; /* default to none */
760
761 if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
762 &hints, &num)) {
763 if (num >= MWM_ELEMENTS) {
764 self->mwmhints.flags = hints[0];
765 self->mwmhints.functions = hints[1];
766 self->mwmhints.decorations = hints[2];
767 }
768 g_free(hints);
769 }
770 }
771
772 void client_get_type(Client *self)
773 {
774 guint num, i;
775 guint32 *val;
776
777 self->type = -1;
778
779 if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
780 /* use the first value that we know about in the array */
781 for (i = 0; i < num; ++i) {
782 if (val[i] == prop_atoms.net_wm_window_type_desktop)
783 self->type = Type_Desktop;
784 else if (val[i] == prop_atoms.net_wm_window_type_dock)
785 self->type = Type_Dock;
786 else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
787 self->type = Type_Toolbar;
788 else if (val[i] == prop_atoms.net_wm_window_type_menu)
789 self->type = Type_Menu;
790 else if (val[i] == prop_atoms.net_wm_window_type_utility)
791 self->type = Type_Utility;
792 else if (val[i] == prop_atoms.net_wm_window_type_splash)
793 self->type = Type_Splash;
794 else if (val[i] == prop_atoms.net_wm_window_type_dialog)
795 self->type = Type_Dialog;
796 else if (val[i] == prop_atoms.net_wm_window_type_normal)
797 self->type = Type_Normal;
798 else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
799 /* prevent this window from getting any decor or
800 functionality */
801 self->mwmhints.flags &= (MwmFlag_Functions |
802 MwmFlag_Decorations);
803 self->mwmhints.decorations = 0;
804 self->mwmhints.functions = 0;
805 }
806 if (self->type != (WindowType) -1)
807 break; /* grab the first legit type */
808 }
809 g_free(val);
810 }
811
812 if (self->type == (WindowType) -1) {
813 /*the window type hint was not set, which means we either classify
814 ourself as a normal window or a dialog, depending on if we are a
815 transient. */
816 if (self->transient)
817 self->type = Type_Dialog;
818 else
819 self->type = Type_Normal;
820 }
821 }
822
823 void client_update_protocols(Client *self)
824 {
825 guint32 *proto;
826 guint num_return, i;
827
828 self->focus_notify = FALSE;
829 self->delete_window = FALSE;
830
831 if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
832 for (i = 0; i < num_return; ++i) {
833 if (proto[i] == prop_atoms.wm_delete_window) {
834 /* this means we can request the window to close */
835 self->delete_window = TRUE;
836 } else if (proto[i] == prop_atoms.wm_take_focus)
837 /* if this protocol is requested, then the window will be
838 notified whenever we want it to receive focus */
839 self->focus_notify = TRUE;
840 }
841 g_free(proto);
842 }
843 }
844
845 static void client_get_gravity(Client *self)
846 {
847 XWindowAttributes wattrib;
848 Status ret;
849
850 ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
851 g_assert(ret != BadWindow);
852 self->gravity = wattrib.win_gravity;
853 }
854
855 void client_update_normal_hints(Client *self)
856 {
857 XSizeHints size;
858 long ret;
859 int oldgravity = self->gravity;
860
861 /* defaults */
862 self->min_ratio = 0.0f;
863 self->max_ratio = 0.0f;
864 SIZE_SET(self->size_inc, 1, 1);
865 SIZE_SET(self->base_size, 0, 0);
866 SIZE_SET(self->min_size, 0, 0);
867 SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
868
869 /* get the hints from the window */
870 if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
871 self->positioned = !!(size.flags & (PPosition|USPosition));
872
873 if (size.flags & PWinGravity) {
874 self->gravity = size.win_gravity;
875
876 /* if the client has a frame, i.e. has already been mapped and
877 is changing its gravity */
878 if (self->frame && self->gravity != oldgravity) {
879 /* move our idea of the client's position based on its new
880 gravity */
881 self->area.x = self->frame->area.x;
882 self->area.y = self->frame->area.y;
883 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
884 }
885 }
886
887 if (size.flags & PAspect) {
888 if (size.min_aspect.y)
889 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
890 if (size.max_aspect.y)
891 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
892 }
893
894 if (size.flags & PMinSize)
895 SIZE_SET(self->min_size, size.min_width, size.min_height);
896
897 if (size.flags & PMaxSize)
898 SIZE_SET(self->max_size, size.max_width, size.max_height);
899
900 if (size.flags & PBaseSize)
901 SIZE_SET(self->base_size, size.base_width, size.base_height);
902
903 if (size.flags & PResizeInc)
904 SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
905 }
906 }
907
908 void client_setup_decor_and_functions(Client *self)
909 {
910 /* start with everything (cept fullscreen) */
911 self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
912 Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize |
913 Decor_Shade;
914 self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
915 Func_Shade;
916 if (self->delete_window) {
917 self->decorations |= Decor_Close;
918 self->functions |= Func_Close;
919 }
920
921 if (!(self->min_size.width < self->max_size.width ||
922 self->min_size.height < self->max_size.height)) {
923 self->decorations &= ~(Decor_Maximize | Decor_Handle);
924 self->functions &= ~(Func_Resize | Func_Maximize);
925 }
926
927 switch (self->type) {
928 case Type_Normal:
929 /* normal windows retain all of the possible decorations and
930 functionality, and are the only windows that you can fullscreen */
931 self->functions |= Func_Fullscreen;
932 break;
933
934 case Type_Dialog:
935 case Type_Utility:
936 /* these windows cannot be maximized */
937 self->decorations &= ~Decor_Maximize;
938 self->functions &= ~Func_Maximize;
939 break;
940
941 case Type_Menu:
942 case Type_Toolbar:
943 /* these windows get less functionality */
944 self->decorations &= ~(Decor_Iconify | Decor_Handle);
945 self->functions &= ~(Func_Iconify | Func_Resize);
946 break;
947
948 case Type_Desktop:
949 case Type_Dock:
950 case Type_Splash:
951 /* none of these windows are manipulated by the window manager */
952 self->decorations = 0;
953 self->functions = 0;
954 break;
955 }
956
957 /* Mwm Hints are applied subtractively to what has already been chosen for
958 decor and functionality */
959 if (self->mwmhints.flags & MwmFlag_Decorations) {
960 if (! (self->mwmhints.decorations & MwmDecor_All)) {
961 if (! (self->mwmhints.decorations & MwmDecor_Border))
962 self->decorations &= ~Decor_Border;
963 if (! (self->mwmhints.decorations & MwmDecor_Handle))
964 self->decorations &= ~Decor_Handle;
965 if (! (self->mwmhints.decorations & MwmDecor_Title))
966 self->decorations &= ~Decor_Titlebar;
967 if (! (self->mwmhints.decorations & MwmDecor_Iconify))
968 self->decorations &= ~Decor_Iconify;
969 if (! (self->mwmhints.decorations & MwmDecor_Maximize))
970 self->decorations &= ~Decor_Maximize;
971 }
972 }
973
974 if (self->mwmhints.flags & MwmFlag_Functions) {
975 if (! (self->mwmhints.functions & MwmFunc_All)) {
976 if (! (self->mwmhints.functions & MwmFunc_Resize))
977 self->functions &= ~Func_Resize;
978 if (! (self->mwmhints.functions & MwmFunc_Move))
979 self->functions &= ~Func_Move;
980 if (! (self->mwmhints.functions & MwmFunc_Iconify))
981 self->functions &= ~Func_Iconify;
982 if (! (self->mwmhints.functions & MwmFunc_Maximize))
983 self->functions &= ~Func_Maximize;
984 /* dont let mwm hints kill the close button
985 if (! (self->mwmhints.functions & MwmFunc_Close))
986 self->functions &= ~Func_Close; */
987 }
988 }
989
990 /* can't maximize without moving/resizing */
991 if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
992 self->functions &= ~(Func_Maximize | Func_Fullscreen);
993
994 /* finally, user specified disabled decorations are applied to subtract
995 decorations */
996 if (self->disabled_decorations & Decor_Titlebar)
997 self->decorations &= ~Decor_Titlebar;
998 if (self->disabled_decorations & Decor_Handle)
999 self->decorations &= ~Decor_Handle;
1000 if (self->disabled_decorations & Decor_Border)
1001 self->decorations &= ~Decor_Border;
1002 if (self->disabled_decorations & Decor_Iconify)
1003 self->decorations &= ~Decor_Iconify;
1004 if (self->disabled_decorations & Decor_Maximize)
1005 self->decorations &= ~Decor_Maximize;
1006 if (self->disabled_decorations & Decor_AllDesktops)
1007 self->decorations &= ~Decor_AllDesktops;
1008 if (self->disabled_decorations & Decor_Shade)
1009 self->decorations &= ~Decor_Shade;
1010 if (self->disabled_decorations & Decor_Close)
1011 self->decorations &= ~Decor_Close;
1012
1013 /* if we don't have a titlebar, then we cannot shade! */
1014 if (!(self->decorations & Decor_Titlebar))
1015 self->functions &= ~Func_Shade;
1016
1017 /* now we need to check against rules for the client's current state */
1018 if (self->fullscreen) {
1019 self->functions &= (Func_Close | Func_Fullscreen | Func_Iconify);
1020 self->decorations = 0;
1021 }
1022
1023 client_change_allowed_actions(self);
1024
1025 if (self->frame) {
1026 /* this makes sure that these windows appear on all desktops */
1027 if (self->type == Type_Desktop && self->desktop != DESKTOP_ALL)
1028 client_set_desktop(self, DESKTOP_ALL, FALSE);
1029
1030 /* change the decors on the frame, and with more/less decorations,
1031 we may also need to be repositioned */
1032 frame_adjust_area(self->frame, TRUE, TRUE);
1033 /* with new decor, the window's maximized size may change */
1034 client_reconfigure(self);
1035 } else {
1036 /* this makes sure that these windows appear on all desktops */
1037 if (self->type == Type_Desktop && self->desktop != DESKTOP_ALL)
1038 self->desktop = DESKTOP_ALL;
1039 }
1040 }
1041
1042 static void client_change_allowed_actions(Client *self)
1043 {
1044 guint32 actions[9];
1045 int num = 0;
1046
1047 /* desktop windows are kept on all desktops */
1048 if (self->type != Type_Desktop)
1049 actions[num++] = prop_atoms.net_wm_action_change_desktop;
1050
1051 if (self->functions & Func_Shade)
1052 actions[num++] = prop_atoms.net_wm_action_shade;
1053 if (self->functions & Func_Close)
1054 actions[num++] = prop_atoms.net_wm_action_close;
1055 if (self->functions & Func_Move)
1056 actions[num++] = prop_atoms.net_wm_action_move;
1057 if (self->functions & Func_Iconify)
1058 actions[num++] = prop_atoms.net_wm_action_minimize;
1059 if (self->functions & Func_Resize)
1060 actions[num++] = prop_atoms.net_wm_action_resize;
1061 if (self->functions & Func_Fullscreen)
1062 actions[num++] = prop_atoms.net_wm_action_fullscreen;
1063 if (self->functions & Func_Maximize) {
1064 actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1065 actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1066 }
1067
1068 PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1069
1070 /* make sure the window isn't breaking any rules now */
1071
1072 if (!(self->functions & Func_Shade) && self->shaded) {
1073 if (self->frame) client_shade(self, FALSE);
1074 else self->shaded = FALSE;
1075 }
1076 if (!(self->functions & Func_Iconify) && self->iconic) {
1077 g_message("UNSETTING ICONIC");
1078 if (self->frame) client_iconify(self, FALSE, TRUE);
1079 else self->iconic = FALSE;
1080 }
1081 if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
1082 if (self->frame) client_fullscreen(self, FALSE, TRUE);
1083 else self->fullscreen = FALSE;
1084 }
1085 if (!(self->functions & Func_Maximize) && (self->max_horz ||
1086 self->max_vert)) {
1087 if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1088 else self->max_vert = self->max_horz = FALSE;
1089 }
1090 }
1091
1092 void client_reconfigure(Client *self)
1093 {
1094 client_configure(self, Corner_TopLeft, self->area.x, self->area.y,
1095 self->area.width, self->area.height, TRUE, TRUE);
1096 }
1097
1098 void client_update_wmhints(Client *self)
1099 {
1100 XWMHints *hints;
1101 gboolean ur = FALSE;
1102 GSList *it;
1103
1104 /* assume a window takes input if it doesnt specify */
1105 self->can_focus = TRUE;
1106
1107 if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1108 if (hints->flags & InputHint)
1109 self->can_focus = hints->input;
1110
1111 /* only do this when first managing the window *AND* when we aren't
1112 starting up! */
1113 if (ob_state != State_Starting && self->frame == NULL)
1114 if (hints->flags & StateHint)
1115 self->iconic = hints->initial_state == IconicState;
1116
1117 if (hints->flags & XUrgencyHint)
1118 ur = TRUE;
1119
1120 if (!(hints->flags & WindowGroupHint))
1121 hints->window_group = None;
1122
1123 /* did the group state change? */
1124 if (hints->window_group !=
1125 (self->group ? self->group->leader : None)) {
1126 /* remove from the old group if there was one */
1127 if (self->group != NULL) {
1128 /* remove transients of the group */
1129 for (it = self->group->members; it; it = it->next)
1130 self->transients = g_slist_remove(self->transients,
1131 it->data);
1132 group_remove(self->group, self);
1133 self->group = NULL;
1134 }
1135 if (hints->window_group != None) {
1136 self->group = group_add(hints->window_group, self);
1137
1138 /* i can only have transients from the group if i am not
1139 transient myself */
1140 if (!self->transient_for) {
1141 /* add other transients of the group that are already
1142 set up */
1143 for (it = self->group->members; it; it = it->next)
1144 if (it->data != self &&
1145 ((Client*)it->data)->transient_for == TRAN_GROUP)
1146 self->transients = g_slist_append(self->transients,
1147 it->data);
1148 }
1149 }
1150
1151 /* the WM_HINTS can contain an icon */
1152 client_update_icons(self);
1153
1154 /* because the self->transient flag wont change from this call,
1155 we don't need to update the window's type and such, only its
1156 transient_for, and the transients lists of other windows in
1157 the group may be affected */
1158 client_update_transient_for(self);
1159 }
1160
1161 XFree(hints);
1162 }
1163
1164 if (ur != self->urgent) {
1165 self->urgent = ur;
1166 g_message("Urgent Hint for 0x%lx: %s", self->window,
1167 ur ? "ON" : "OFF");
1168 /* fire the urgent callback if we're mapped, otherwise, wait until
1169 after we're mapped */
1170 if (self->frame)
1171 dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1172 }
1173 }
1174
1175 void client_update_title(Client *self)
1176 {
1177 GList *it;
1178 guint32 nums;
1179 guint i;
1180 char *data = NULL;
1181 gboolean read_title;
1182
1183 g_free(self->title);
1184
1185 /* try netwm */
1186 if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1187 /* try old x stuff */
1188 if (!PROP_GETS(self->window, wm_name, locale, &data))
1189 data = g_strdup("Unnamed Window");
1190
1191 /* look for duplicates and append a number */
1192 nums = 0;
1193 for (it = client_list; it; it = it->next)
1194 if (it->data != self) {
1195 Client *c = it->data;
1196 if (0 == strncmp(c->title, data, strlen(data)))
1197 nums |= 1 << c->title_count;
1198 }
1199 /* find first free number */
1200 for (i = 1; i <= 32; ++i)
1201 if (!(nums & (1 << i))) {
1202 if (self->title_count == 1 || i == 1)
1203 self->title_count = i;
1204 break;
1205 }
1206 /* dont display the number for the first window */
1207 if (self->title_count > 1) {
1208 char *vdata, *ndata;
1209 ndata = g_strdup_printf(" - [%u]", self->title_count);
1210 vdata = g_strconcat(data, ndata, NULL);
1211 g_free(ndata);
1212 g_free(data);
1213 data = vdata;
1214 }
1215
1216 PROP_SETS(self->window, net_wm_visible_name, data);
1217
1218 self->title = data;
1219
1220 if (self->frame)
1221 frame_adjust_title(self->frame);
1222
1223 /* update the icon title */
1224 data = NULL;
1225 g_free(self->icon_title);
1226
1227 read_title = TRUE;
1228 /* try netwm */
1229 if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1230 /* try old x stuff */
1231 if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1232 data = g_strdup(self->title);
1233 read_title = FALSE;
1234 }
1235
1236 /* append the title count, dont display the number for the first window */
1237 if (read_title && self->title_count > 1) {
1238 char *vdata, *ndata;
1239 ndata = g_strdup_printf(" - [%u]", self->title_count);
1240 vdata = g_strconcat(data, ndata, NULL);
1241 g_free(ndata);
1242 g_free(data);
1243 data = vdata;
1244 }
1245
1246 PROP_SETS(self->window, net_wm_visible_icon_name, data);
1247
1248 self->icon_title = data;
1249 }
1250
1251 void client_update_class(Client *self)
1252 {
1253 char **data;
1254 char *s;
1255
1256 if (self->name) g_free(self->name);
1257 if (self->class) g_free(self->class);
1258 if (self->role) g_free(self->role);
1259
1260 self->name = self->class = self->role = NULL;
1261
1262 if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1263 if (data[0]) {
1264 self->name = g_strdup(data[0]);
1265 if (data[1])
1266 self->class = g_strdup(data[1]);
1267 }
1268 g_strfreev(data);
1269 }
1270
1271 if (PROP_GETS(self->window, wm_window_role, locale, &s))
1272 self->role = g_strdup(s);
1273
1274 if (self->name == NULL) self->name = g_strdup("");
1275 if (self->class == NULL) self->class = g_strdup("");
1276 if (self->role == NULL) self->role = g_strdup("");
1277 }
1278
1279 void client_update_strut(Client *self)
1280 {
1281 guint num;
1282 guint32 *data;
1283
1284 if (!PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1285 STRUT_SET(self->strut, 0, 0, 0, 0);
1286 } else {
1287 if (num == 4)
1288 STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
1289 else
1290 STRUT_SET(self->strut, 0, 0, 0, 0);
1291 g_free(data);
1292 }
1293
1294 /* updating here is pointless while we're being mapped cuz we're not in
1295 the client list yet */
1296 if (self->frame)
1297 screen_update_struts();
1298 }
1299
1300 void client_update_icons(Client *self)
1301 {
1302 guint num;
1303 guint32 *data;
1304 guint w, h, i;
1305 int j;
1306
1307 for (j = 0; j < self->nicons; ++j)
1308 g_free(self->icons[j].data);
1309 if (self->nicons > 0)
1310 g_free(self->icons);
1311 self->nicons = 0;
1312
1313 if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1314 /* figure out how many valid icons are in here */
1315 i = 0;
1316 while (num - i > 2) {
1317 w = data[i++];
1318 h = data[i++];
1319 i += w * h;
1320 if (i > num || w*h == 0) break;
1321 ++self->nicons;
1322 }
1323
1324 self->icons = g_new(Icon, self->nicons);
1325
1326 /* store the icons */
1327 i = 0;
1328 for (j = 0; j < self->nicons; ++j) {
1329 guint x, y, t;
1330
1331 w = self->icons[j].width = data[i++];
1332 h = self->icons[j].height = data[i++];
1333
1334 if (w*h == 0) continue;
1335
1336 self->icons[j].data = g_new(pixel32, w * h);
1337 for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1338 if (x >= w) {
1339 x = 0;
1340 ++y;
1341 }
1342 self->icons[j].data[t] =
1343 (((data[i] >> 24) & 0xff) << default_alpha_offset) +
1344 (((data[i] >> 16) & 0xff) << default_red_offset) +
1345 (((data[i] >> 8) & 0xff) << default_green_offset) +
1346 (((data[i] >> 0) & 0xff) << default_blue_offset);
1347 }
1348 g_assert(i <= num);
1349 }
1350
1351 g_free(data);
1352 } else if (PROP_GETA32(self->window, kwm_win_icon,
1353 kwm_win_icon, &data, &num)) {
1354 if (num == 2) {
1355 self->nicons++;
1356 self->icons = g_new(Icon, self->nicons);
1357 xerror_set_ignore(TRUE);
1358 if (!render_pixmap_to_rgba(data[0], data[1],
1359 &self->icons[self->nicons-1].width,
1360 &self->icons[self->nicons-1].height,
1361 &self->icons[self->nicons-1].data)) {
1362 g_free(&self->icons[self->nicons-1]);
1363 self->nicons--;
1364 }
1365 xerror_set_ignore(FALSE);
1366 }
1367 g_free(data);
1368 } else {
1369 XWMHints *hints;
1370
1371 if ((hints = XGetWMHints(ob_display, self->window))) {
1372 if (hints->flags & IconPixmapHint) {
1373 self->nicons++;
1374 self->icons = g_new(Icon, self->nicons);
1375 xerror_set_ignore(TRUE);
1376 if (!render_pixmap_to_rgba(hints->icon_pixmap,
1377 (hints->flags & IconMaskHint ?
1378 hints->icon_mask : None),
1379 &self->icons[self->nicons-1].width,
1380 &self->icons[self->nicons-1].height,
1381 &self->icons[self->nicons-1].data)){
1382 g_free(&self->icons[self->nicons-1]);
1383 self->nicons--;
1384 }
1385 xerror_set_ignore(FALSE);
1386 }
1387 XFree(hints);
1388 }
1389 }
1390
1391 if (self->frame)
1392 frame_adjust_icon(self->frame);
1393 }
1394
1395 static void client_change_state(Client *self)
1396 {
1397 guint32 state[2];
1398 guint32 netstate[10];
1399 guint num;
1400
1401 state[0] = self->wmstate;
1402 state[1] = None;
1403 PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1404
1405 num = 0;
1406 if (self->modal)
1407 netstate[num++] = prop_atoms.net_wm_state_modal;
1408 if (self->shaded)
1409 netstate[num++] = prop_atoms.net_wm_state_shaded;
1410 if (self->iconic)
1411 netstate[num++] = prop_atoms.net_wm_state_hidden;
1412 if (self->skip_taskbar)
1413 netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1414 if (self->skip_pager)
1415 netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1416 if (self->fullscreen)
1417 netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1418 if (self->max_vert)
1419 netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1420 if (self->max_horz)
1421 netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1422 if (self->above)
1423 netstate[num++] = prop_atoms.net_wm_state_above;
1424 if (self->below)
1425 netstate[num++] = prop_atoms.net_wm_state_below;
1426 PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1427
1428 client_calc_layer(self);
1429
1430 if (self->frame)
1431 frame_adjust_state(self->frame);
1432 }
1433
1434 Client *client_search_focus_tree(Client *self)
1435 {
1436 GSList *it;
1437 Client *ret;
1438
1439 for (it = self->transients; it != NULL; it = it->next) {
1440 if (client_focused(it->data)) return it->data;
1441 if ((ret = client_search_focus_tree(it->data))) return ret;
1442 }
1443 return NULL;
1444 }
1445
1446 Client *client_search_focus_tree_full(Client *self)
1447 {
1448 if (self->transient_for) {
1449 if (self->transient_for != TRAN_GROUP) {
1450 return client_search_focus_tree_full(self->transient_for);
1451 } else {
1452 GSList *it;
1453 gboolean recursed = FALSE;
1454
1455 for (it = self->group->members; it; it = it->next)
1456 if (!((Client*)it->data)->transient_for) {
1457 Client *c;
1458 if ((c = client_search_focus_tree_full(it->data)))
1459 return c;
1460 recursed = TRUE;
1461 }
1462 if (recursed)
1463 return NULL;
1464 }
1465 }
1466
1467 /* this function checks the whole tree, the client_search_focus_tree~
1468 does not, so we need to check this window */
1469 if (client_focused(self))
1470 return self;
1471 return client_search_focus_tree(self);
1472 }
1473
1474 static StackLayer calc_layer(Client *self)
1475 {
1476 StackLayer l;
1477
1478 if (self->fullscreen) l = Layer_Fullscreen;
1479 else if (self->type == Type_Desktop) l = Layer_Desktop;
1480 else if (self->type == Type_Dock) {
1481 if (!self->below) l = Layer_Top;
1482 else l = Layer_Normal;
1483 }
1484 else if (self->above) l = Layer_Above;
1485 else if (self->below) l = Layer_Below;
1486 else l = Layer_Normal;
1487
1488 return l;
1489 }
1490
1491 static void calc_recursive(Client *self, Client *orig, StackLayer l,
1492 gboolean raised)
1493 {
1494 StackLayer old, own;
1495 GSList *it;
1496
1497 old = self->layer;
1498 own = calc_layer(self);
1499 self->layer = l > own ? l : own;
1500
1501 for (it = self->transients; it; it = it->next)
1502 calc_recursive(it->data, orig, l, raised ? raised : l != old);
1503
1504 if (!raised && l != old)
1505 if (orig->frame) /* only restack if the original window is managed */
1506 stacking_raise(CLIENT_AS_WINDOW(self));
1507 }
1508
1509 void client_calc_layer(Client *self)
1510 {
1511 StackLayer l;
1512 Client *orig;
1513
1514 orig = self;
1515
1516 /* transients take on the layer of their parents */
1517 if (self->transient_for) {
1518 if (self->transient_for != TRAN_GROUP) {
1519 self = self->transient_for;
1520 } else {
1521 GSList *it;
1522
1523 for (it = self->group->members; it; it = it->next)
1524 if (it->data != self &&
1525 !((Client*)it->data)->transient_for) {
1526 self = it->data;
1527 break;
1528 }
1529 }
1530 }
1531
1532 l = calc_layer(self);
1533
1534 calc_recursive(self, orig, l, FALSE);
1535 }
1536
1537 gboolean client_should_show(Client *self)
1538 {
1539 if (self->iconic) return FALSE;
1540 else if (!(self->desktop == screen_desktop ||
1541 self->desktop == DESKTOP_ALL)) return FALSE;
1542 else if (client_normal(self) && screen_showing_desktop) return FALSE;
1543
1544 return TRUE;
1545 }
1546
1547 static void client_showhide(Client *self)
1548 {
1549
1550 if (client_should_show(self))
1551 frame_show(self->frame);
1552 else
1553 frame_hide(self->frame);
1554 }
1555
1556 gboolean client_normal(Client *self) {
1557 return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1558 self->type == Type_Splash);
1559 }
1560
1561 static void client_apply_startup_state(Client *self)
1562 {
1563 /* these are in a carefully crafted order.. */
1564
1565 if (self->iconic) {
1566 self->iconic = FALSE;
1567 client_iconify(self, TRUE, FALSE);
1568 }
1569 if (self->fullscreen) {
1570 self->fullscreen = FALSE;
1571 client_fullscreen(self, TRUE, FALSE);
1572 }
1573 if (self->shaded) {
1574 self->shaded = FALSE;
1575 client_shade(self, TRUE);
1576 }
1577 if (self->urgent)
1578 dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1579
1580 if (self->max_vert && self->max_horz) {
1581 self->max_vert = self->max_horz = FALSE;
1582 client_maximize(self, TRUE, 0, FALSE);
1583 } else if (self->max_vert) {
1584 self->max_vert = FALSE;
1585 client_maximize(self, TRUE, 2, FALSE);
1586 } else if (self->max_horz) {
1587 self->max_horz = FALSE;
1588 client_maximize(self, TRUE, 1, FALSE);
1589 }
1590
1591 /* nothing to do for the other states:
1592 skip_taskbar
1593 skip_pager
1594 modal
1595 above
1596 below
1597 */
1598 }
1599
1600 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1601 gboolean user, gboolean final)
1602 {
1603 gboolean moved = FALSE, resized = FALSE;
1604
1605 /* gets the frame's position */
1606 frame_client_gravity(self->frame, &x, &y);
1607
1608 /* these positions are frame positions, not client positions */
1609
1610 /* set the size and position if fullscreen */
1611 if (self->fullscreen) {
1612 #ifdef VIDMODE
1613 int dot;
1614 XF86VidModeModeLine mode;
1615
1616 if (XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1617 w = mode.hdisplay;
1618 h = mode.vdisplay;
1619 if (mode.privsize) XFree(mode.private);
1620 } else {
1621 #else
1622 w = screen_physical_size.width;
1623 h = screen_physical_size.height;
1624 #endif
1625 #ifdef VIDMODE
1626 }
1627 if (!XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y)) {
1628 x = y = 0;
1629 #endif
1630 }
1631 user = FALSE; /* ignore that increment etc shit when in fullscreen */
1632 } else {
1633 /* set the size and position if maximized */
1634 if (self->max_horz) {
1635 x = screen_area(self->desktop)->x - self->frame->size.left;
1636 w = screen_area(self->desktop)->width;
1637 }
1638 if (self->max_vert) {
1639 y = screen_area(self->desktop)->y;
1640 h = screen_area(self->desktop)->height -
1641 self->frame->size.top - self->frame->size.bottom;
1642 }
1643 }
1644
1645 /* gets the client's position */
1646 frame_frame_gravity(self->frame, &x, &y);
1647
1648 /* these override the above states! if you cant move you can't move! */
1649 if (user) {
1650 if (!(self->functions & Func_Move)) {
1651 x = self->area.x;
1652 y = self->area.y;
1653 }
1654 if (!(self->functions & Func_Resize)) {
1655 w = self->area.width;
1656 h = self->area.height;
1657 }
1658 }
1659
1660 if (!(w == self->area.width && h == self->area.height)) {
1661 w -= self->base_size.width;
1662 h -= self->base_size.height;
1663
1664 if (user) {
1665 /* for interactive resizing. have to move half an increment in each
1666 direction. */
1667
1668 /* how far we are towards the next size inc */
1669 int mw = w % self->size_inc.width;
1670 int mh = h % self->size_inc.height;
1671 /* amount to add */
1672 int aw = self->size_inc.width / 2;
1673 int ah = self->size_inc.height / 2;
1674 /* don't let us move into a new size increment */
1675 if (mw + aw >= self->size_inc.width)
1676 aw = self->size_inc.width - mw - 1;
1677 if (mh + ah >= self->size_inc.height)
1678 ah = self->size_inc.height - mh - 1;
1679 w += aw;
1680 h += ah;
1681
1682 /* if this is a user-requested resize, then check against min/max
1683 sizes and aspect ratios */
1684
1685 /* smaller than min size or bigger than max size? */
1686 if (w > self->max_size.width) w = self->max_size.width;
1687 if (w < self->min_size.width) w = self->min_size.width;
1688 if (h > self->max_size.height) h = self->max_size.height;
1689 if (h < self->min_size.height) h = self->min_size.height;
1690
1691 /* adjust the height ot match the width for the aspect ratios */
1692 if (self->min_ratio)
1693 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1694 if (self->max_ratio)
1695 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1696 }
1697
1698 /* keep to the increments */
1699 w /= self->size_inc.width;
1700 h /= self->size_inc.height;
1701
1702 /* you cannot resize to nothing */
1703 if (w < 1) w = 1;
1704 if (h < 1) h = 1;
1705
1706 /* store the logical size */
1707 SIZE_SET(self->logical_size, w, h);
1708
1709 w *= self->size_inc.width;
1710 h *= self->size_inc.height;
1711
1712 w += self->base_size.width;
1713 h += self->base_size.height;
1714 }
1715
1716 switch (anchor) {
1717 case Corner_TopLeft:
1718 break;
1719 case Corner_TopRight:
1720 x -= w - self->area.width;
1721 break;
1722 case Corner_BottomLeft:
1723 y -= h - self->area.height;
1724 break;
1725 case Corner_BottomRight:
1726 x -= w - self->area.width;
1727 y -= h - self->area.height;
1728 break;
1729 }
1730
1731 moved = x != self->area.x || y != self->area.y;
1732 resized = w != self->area.width || h != self->area.height;
1733
1734 RECT_SET(self->area, x, y, w, h);
1735
1736 if (final || (resized && config_opaque_resize))
1737 XResizeWindow(ob_display, self->window, w, h);
1738
1739 /* move/resize the frame to match the request */
1740 if (self->frame) {
1741 if (moved || resized)
1742 frame_adjust_area(self->frame, moved, resized);
1743
1744 if (!user || final) {
1745 XEvent event;
1746 event.type = ConfigureNotify;
1747 event.xconfigure.display = ob_display;
1748 event.xconfigure.event = self->window;
1749 event.xconfigure.window = self->window;
1750
1751 /* root window real coords */
1752 event.xconfigure.x = self->frame->area.x + self->frame->size.left;
1753 event.xconfigure.y = self->frame->area.y + self->frame->size.top;
1754
1755 event.xconfigure.width = w;
1756 event.xconfigure.height = h;
1757 event.xconfigure.border_width = 0;
1758 event.xconfigure.above = self->frame->plate;
1759 event.xconfigure.override_redirect = FALSE;
1760 XSendEvent(event.xconfigure.display, event.xconfigure.window,
1761 FALSE, StructureNotifyMask, &event);
1762 }
1763 }
1764 }
1765
1766 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1767 {
1768 int x, y, w, h;
1769
1770 if (!(self->functions & Func_Fullscreen) || /* can't */
1771 self->fullscreen == fs) return; /* already done */
1772
1773 self->fullscreen = fs;
1774 client_change_state(self); /* change the state hints on the client,
1775 and adjust out layer/stacking */
1776
1777 if (fs) {
1778 if (savearea) {
1779 guint32 dimensions[4];
1780 dimensions[0] = self->area.x;
1781 dimensions[1] = self->area.y;
1782 dimensions[2] = self->area.width;
1783 dimensions[3] = self->area.height;
1784
1785 PROP_SETA32(self->window, openbox_premax, cardinal,
1786 dimensions, 4);
1787 }
1788
1789 /* these are not actually used cuz client_configure will set them
1790 as appropriate when the window is fullscreened */
1791 x = y = w = h = 0;
1792 } else {
1793 guint num;
1794 gint32 *dimensions;
1795
1796 /* pick some fallbacks... */
1797 x = screen_area(self->desktop)->x +
1798 screen_area(self->desktop)->width / 4;
1799 y = screen_area(self->desktop)->y +
1800 screen_area(self->desktop)->height / 4;
1801 w = screen_area(self->desktop)->width / 2;
1802 h = screen_area(self->desktop)->height / 2;
1803
1804 if (PROP_GETA32(self->window, openbox_premax, cardinal,
1805 (guint32**)&dimensions, &num)) {
1806 if (num == 4) {
1807 x = dimensions[0];
1808 y = dimensions[1];
1809 w = dimensions[2];
1810 h = dimensions[3];
1811 }
1812 g_free(dimensions);
1813 }
1814 }
1815
1816 client_setup_decor_and_functions(self);
1817
1818 client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1819
1820 /* try focus us when we go into fullscreen mode */
1821 client_focus(self);
1822 }
1823
1824 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1825 {
1826 GSList *it;
1827
1828 /* move up the transient chain as far as possible first */
1829 if (self->transient_for) {
1830 if (self->transient_for != TRAN_GROUP) {
1831 if (self->transient_for->iconic != iconic) {
1832 client_iconify(self->transient_for, iconic, curdesk);
1833 return;
1834 }
1835 } else {
1836 GSList *it;
1837
1838 for (it = self->group->members; it; it = it->next) {
1839 Client *c = it->data;
1840 if (c != self && c->iconic != iconic &&
1841 !c->transient_for) {
1842 client_iconify(it->data, iconic, curdesk);
1843 break;
1844 }
1845 }
1846 if (it != NULL) return;
1847 }
1848 }
1849
1850 if (self->iconic == iconic) return; /* nothing to do */
1851
1852 g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1853 self->window);
1854
1855 self->iconic = iconic;
1856
1857 if (iconic) {
1858 self->wmstate = IconicState;
1859 self->ignore_unmaps++;
1860 /* we unmap the client itself so that we can get MapRequest events,
1861 and because the ICCCM tells us to! */
1862 XUnmapWindow(ob_display, self->window);
1863
1864 /* update the focus lists.. iconic windows go to the bottom of the
1865 list, put the new iconic window at the 'top of the bottom'. */
1866 focus_order_to_top(self);
1867 } else {
1868 if (curdesk)
1869 client_set_desktop(self, screen_desktop, FALSE);
1870 self->wmstate = self->shaded ? IconicState : NormalState;
1871 XMapWindow(ob_display, self->window);
1872
1873 /* this puts it after the current focused window */
1874 focus_order_remove(self);
1875 focus_order_add_new(self);
1876
1877 /* this is here cuz with the VIDMODE extension, the viewport can change
1878 while a fullscreen window is iconic, and when it uniconifies, it
1879 would be nice if it did so to the new position of the viewport */
1880 client_reconfigure(self);
1881 }
1882 client_change_state(self);
1883 client_showhide(self);
1884 screen_update_struts();
1885
1886 dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1887 self, 0, 0);
1888
1889 /* iconify all transients */
1890 for (it = self->transients; it != NULL; it = it->next)
1891 if (it->data != self) client_iconify(it->data, iconic, curdesk);
1892 }
1893
1894 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1895 {
1896 int x, y, w, h;
1897
1898 g_assert(dir == 0 || dir == 1 || dir == 2);
1899 if (!(self->functions & Func_Maximize)) return; /* can't */
1900
1901 /* check if already done */
1902 if (max) {
1903 if (dir == 0 && self->max_horz && self->max_vert) return;
1904 if (dir == 1 && self->max_horz) return;
1905 if (dir == 2 && self->max_vert) return;
1906 } else {
1907 if (dir == 0 && !self->max_horz && !self->max_vert) return;
1908 if (dir == 1 && !self->max_horz) return;
1909 if (dir == 2 && !self->max_vert) return;
1910 }
1911
1912 /* work with the frame's coords */
1913 x = self->frame->area.x;
1914 y = self->frame->area.y;
1915 w = self->area.width;
1916 h = self->area.height;
1917
1918 if (max) {
1919 if (savearea) {
1920 gint32 dimensions[4];
1921 gint32 *readdim;
1922 guint num;
1923
1924 dimensions[0] = x;
1925 dimensions[1] = y;
1926 dimensions[2] = w;
1927 dimensions[3] = h;
1928
1929 /* get the property off the window and use it for the dimensions
1930 we are already maxed on */
1931 if (PROP_GETA32(self->window, openbox_premax, cardinal,
1932 (guint32**)&readdim, &num)) {
1933 if (num == 4) {
1934 if (self->max_horz) {
1935 dimensions[0] = readdim[0];
1936 dimensions[2] = readdim[2];
1937 }
1938 if (self->max_vert) {
1939 dimensions[1] = readdim[1];
1940 dimensions[3] = readdim[3];
1941 }
1942 }
1943 g_free(readdim);
1944 }
1945
1946 PROP_SETA32(self->window, openbox_premax, cardinal,
1947 (guint32*)dimensions, 4);
1948 }
1949 } else {
1950 guint num;
1951 gint32 *dimensions;
1952
1953 /* pick some fallbacks... */
1954 if (dir == 0 || dir == 1) { /* horz */
1955 x = screen_area(self->desktop)->x +
1956 screen_area(self->desktop)->width / 4;
1957 w = screen_area(self->desktop)->width / 2;
1958 }
1959 if (dir == 0 || dir == 2) { /* vert */
1960 y = screen_area(self->desktop)->y +
1961 screen_area(self->desktop)->height / 4;
1962 h = screen_area(self->desktop)->height / 2;
1963 }
1964
1965 if (PROP_GETA32(self->window, openbox_premax, cardinal,
1966 (guint32**)&dimensions, &num)) {
1967 if (num == 4) {
1968 if (dir == 0 || dir == 1) { /* horz */
1969 x = dimensions[0];
1970 w = dimensions[2];
1971 }
1972 if (dir == 0 || dir == 2) { /* vert */
1973 y = dimensions[1];
1974 h = dimensions[3];
1975 }
1976 }
1977 g_free(dimensions);
1978 }
1979 }
1980
1981 if (dir == 0 || dir == 1) /* horz */
1982 self->max_horz = max;
1983 if (dir == 0 || dir == 2) /* vert */
1984 self->max_vert = max;
1985
1986 if (!self->max_horz && !self->max_vert)
1987 PROP_ERASE(self->window, openbox_premax);
1988
1989 client_change_state(self); /* change the state hints on the client */
1990
1991 /* figure out where the client should be going */
1992 frame_frame_gravity(self->frame, &x, &y);
1993 client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1994 }
1995
1996 void client_shade(Client *self, gboolean shade)
1997 {
1998 if ((!(self->functions & Func_Shade) && shade) || /* can't shade */
1999 self->shaded == shade) return; /* already done */
2000
2001 /* when we're iconic, don't change the wmstate */
2002 if (!self->iconic)
2003 self->wmstate = shade ? IconicState : NormalState;
2004 self->shaded = shade;
2005 client_change_state(self);
2006 /* resize the frame to just the titlebar */
2007 frame_adjust_area(self->frame, FALSE, FALSE);
2008 }
2009
2010 void client_close(Client *self)
2011 {
2012 XEvent ce;
2013
2014 if (!(self->functions & Func_Close)) return;
2015
2016 /*
2017 XXX: itd be cool to do timeouts and shit here for killing the client's
2018 process off
2019 like... if the window is around after 5 seconds, then the close button
2020 turns a nice red, and if this function is called again, the client is
2021 explicitly killed.
2022 */
2023
2024 ce.xclient.type = ClientMessage;
2025 ce.xclient.message_type = prop_atoms.wm_protocols;
2026 ce.xclient.display = ob_display;
2027 ce.xclient.window = self->window;
2028 ce.xclient.format = 32;
2029 ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2030 ce.xclient.data.l[1] = event_lasttime;
2031 ce.xclient.data.l[2] = 0l;
2032 ce.xclient.data.l[3] = 0l;
2033 ce.xclient.data.l[4] = 0l;
2034 XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2035 }
2036
2037 void client_kill(Client *self)
2038 {
2039 XKillClient(ob_display, self->window);
2040 }
2041
2042 void client_set_desktop(Client *self, guint target, gboolean donthide)
2043 {
2044 guint old;
2045
2046 if (target == self->desktop) return;
2047
2048 g_message("Setting desktop %u", target+1);
2049
2050 g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2051
2052 /* remove from the old desktop(s) */
2053 focus_order_remove(self);
2054
2055 old = self->desktop;
2056 self->desktop = target;
2057 PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2058 /* the frame can display the current desktop state */
2059 frame_adjust_state(self->frame);
2060 /* 'move' the window to the new desktop */
2061 if (!donthide)
2062 client_showhide(self);
2063 /* raise if it was not already on the desktop */
2064 if (old != DESKTOP_ALL)
2065 stacking_raise(CLIENT_AS_WINDOW(self));
2066 screen_update_struts();
2067
2068 /* add to the new desktop(s) */
2069 if (config_focus_new)
2070 focus_order_to_top(self);
2071 else
2072 focus_order_to_bottom(self);
2073
2074 dispatch_client(Event_Client_Desktop, self, target, old);
2075 }
2076
2077 Client *client_search_modal_child(Client *self)
2078 {
2079 GSList *it;
2080 Client *ret;
2081
2082 for (it = self->transients; it != NULL; it = it->next) {
2083 Client *c = it->data;
2084 if ((ret = client_search_modal_child(c))) return ret;
2085 if (c->modal) return c;
2086 }
2087 return NULL;
2088 }
2089
2090 gboolean client_validate(Client *self)
2091 {
2092 XEvent e;
2093
2094 XSync(ob_display, FALSE); /* get all events on the server */
2095
2096 if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2097 XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2098 XPutBackEvent(ob_display, &e);
2099 return FALSE;
2100 }
2101
2102 return TRUE;
2103 }
2104
2105 void client_set_wm_state(Client *self, long state)
2106 {
2107 if (state == self->wmstate) return; /* no change */
2108
2109 switch (state) {
2110 case IconicState:
2111 client_iconify(self, TRUE, TRUE);
2112 break;
2113 case NormalState:
2114 client_iconify(self, FALSE, TRUE);
2115 break;
2116 }
2117 }
2118
2119 void client_set_state(Client *self, Atom action, long data1, long data2)
2120 {
2121 gboolean shaded = self->shaded;
2122 gboolean fullscreen = self->fullscreen;
2123 gboolean max_horz = self->max_horz;
2124 gboolean max_vert = self->max_vert;
2125 int i;
2126
2127 if (!(action == prop_atoms.net_wm_state_add ||
2128 action == prop_atoms.net_wm_state_remove ||
2129 action == prop_atoms.net_wm_state_toggle))
2130 /* an invalid action was passed to the client message, ignore it */
2131 return;
2132
2133 for (i = 0; i < 2; ++i) {
2134 Atom state = i == 0 ? data1 : data2;
2135
2136 if (!state) continue;
2137
2138 /* if toggling, then pick whether we're adding or removing */
2139 if (action == prop_atoms.net_wm_state_toggle) {
2140 if (state == prop_atoms.net_wm_state_modal)
2141 action = self->modal ? prop_atoms.net_wm_state_remove :
2142 prop_atoms.net_wm_state_add;
2143 else if (state == prop_atoms.net_wm_state_maximized_vert)
2144 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2145 prop_atoms.net_wm_state_add;
2146 else if (state == prop_atoms.net_wm_state_maximized_horz)
2147 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2148 prop_atoms.net_wm_state_add;
2149 else if (state == prop_atoms.net_wm_state_shaded)
2150 action = self->shaded ? prop_atoms.net_wm_state_remove :
2151 prop_atoms.net_wm_state_add;
2152 else if (state == prop_atoms.net_wm_state_skip_taskbar)
2153 action = self->skip_taskbar ?
2154 prop_atoms.net_wm_state_remove :
2155 prop_atoms.net_wm_state_add;
2156 else if (state == prop_atoms.net_wm_state_skip_pager)
2157 action = self->skip_pager ?
2158 prop_atoms.net_wm_state_remove :
2159 prop_atoms.net_wm_state_add;
2160 else if (state == prop_atoms.net_wm_state_fullscreen)
2161 action = self->fullscreen ?
2162 prop_atoms.net_wm_state_remove :
2163 prop_atoms.net_wm_state_add;
2164 else if (state == prop_atoms.net_wm_state_above)
2165 action = self->above ? prop_atoms.net_wm_state_remove :
2166 prop_atoms.net_wm_state_add;
2167 else if (state == prop_atoms.net_wm_state_below)
2168 action = self->below ? prop_atoms.net_wm_state_remove :
2169 prop_atoms.net_wm_state_add;
2170 }
2171
2172 if (action == prop_atoms.net_wm_state_add) {
2173 if (state == prop_atoms.net_wm_state_modal) {
2174 /* XXX raise here or something? */
2175 self->modal = TRUE;
2176 } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2177 max_vert = TRUE;
2178 } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2179 max_horz = TRUE;
2180 } else if (state == prop_atoms.net_wm_state_shaded) {
2181 shaded = TRUE;
2182 } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2183 self->skip_taskbar = TRUE;
2184 } else if (state == prop_atoms.net_wm_state_skip_pager) {
2185 self->skip_pager = TRUE;
2186 } else if (state == prop_atoms.net_wm_state_fullscreen) {
2187 fullscreen = TRUE;
2188 } else if (state == prop_atoms.net_wm_state_above) {
2189 self->above = TRUE;
2190 } else if (state == prop_atoms.net_wm_state_below) {
2191 self->below = TRUE;
2192 }
2193
2194 } else { /* action == prop_atoms.net_wm_state_remove */
2195 if (state == prop_atoms.net_wm_state_modal) {
2196 self->modal = FALSE;
2197 } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2198 max_vert = FALSE;
2199 } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2200 max_horz = FALSE;
2201 } else if (state == prop_atoms.net_wm_state_shaded) {
2202 shaded = FALSE;
2203 } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2204 self->skip_taskbar = FALSE;
2205 } else if (state == prop_atoms.net_wm_state_skip_pager) {
2206 self->skip_pager = FALSE;
2207 } else if (state == prop_atoms.net_wm_state_fullscreen) {
2208 fullscreen = FALSE;
2209 } else if (state == prop_atoms.net_wm_state_above) {
2210 self->above = FALSE;
2211 } else if (state == prop_atoms.net_wm_state_below) {
2212 self->below = FALSE;
2213 }
2214 }
2215 }
2216 if (max_horz != self->max_horz || max_vert != self->max_vert) {
2217 if (max_horz != self->max_horz && max_vert != self->max_vert) {
2218 /* toggling both */
2219 if (max_horz == max_vert) { /* both going the same way */
2220 client_maximize(self, max_horz, 0, TRUE);
2221 } else {
2222 client_maximize(self, max_horz, 1, TRUE);
2223 client_maximize(self, max_vert, 2, TRUE);
2224 }
2225 } else {
2226 /* toggling one */
2227 if (max_horz != self->max_horz)
2228 client_maximize(self, max_horz, 1, TRUE);
2229 else
2230 client_maximize(self, max_vert, 2, TRUE);
2231 }
2232 }
2233 /* change fullscreen state before shading, as it will affect if the window
2234 can shade or not */
2235 if (fullscreen != self->fullscreen)
2236 client_fullscreen(self, fullscreen, TRUE);
2237 if (shaded != self->shaded)
2238 client_shade(self, shaded);
2239 client_calc_layer(self);
2240 client_change_state(self); /* change the hint to reflect these changes */
2241 }
2242
2243 Client *client_focus_target(Client *self)
2244 {
2245 Client *child;
2246
2247 /* if we have a modal child, then focus it, not us */
2248 child = client_search_modal_child(self);
2249 if (child) return child;
2250 return self;
2251 }
2252
2253 gboolean client_can_focus(Client *self)
2254 {
2255 XEvent ev;
2256
2257 /* choose the correct target */
2258 self = client_focus_target(self);
2259
2260 if (!self->frame->visible)
2261 return FALSE;
2262
2263 if (!((self->can_focus || self->focus_notify) &&
2264 (self->desktop == screen_desktop ||
2265 self->desktop == DESKTOP_ALL) &&
2266 !self->iconic))
2267 return FALSE;
2268
2269 /* do a check to see if the window has already been unmapped or destroyed
2270 do this intelligently while watching out for unmaps we've generated
2271 (ignore_unmaps > 0) */
2272 if (XCheckTypedWindowEvent(ob_display, self->window,
2273 DestroyNotify, &ev)) {
2274 XPutBackEvent(ob_display, &ev);
2275 return FALSE;
2276 }
2277 while (XCheckTypedWindowEvent(ob_display, self->window,
2278 UnmapNotify, &ev)) {
2279 if (self->ignore_unmaps) {
2280 self->ignore_unmaps--;
2281 } else {
2282 XPutBackEvent(ob_display, &ev);
2283 return FALSE;
2284 }
2285 }
2286
2287 return TRUE;
2288 }
2289
2290 gboolean client_focus(Client *self)
2291 {
2292 /* choose the correct target */
2293 self = client_focus_target(self);
2294
2295 if (!client_can_focus(self)) {
2296 if (!self->frame->visible) {
2297 /* update the focus lists */
2298 focus_order_to_top(self);
2299 }
2300 return FALSE;
2301 }
2302
2303 if (self->can_focus)
2304 /* RevertToPointerRoot causes much more headache than RevertToNone, so
2305 I choose to use it always, hopefully to find errors quicker, if any
2306 are left. (I hate X. I hate focus events.) */
2307 XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
2308 event_lasttime);
2309
2310 if (self->focus_notify) {
2311 XEvent ce;
2312 ce.xclient.type = ClientMessage;
2313 ce.xclient.message_type = prop_atoms.wm_protocols;
2314 ce.xclient.display = ob_display;
2315 ce.xclient.window = self->window;
2316 ce.xclient.format = 32;
2317 ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2318 ce.xclient.data.l[1] = event_lasttime;
2319 ce.xclient.data.l[2] = 0l;
2320 ce.xclient.data.l[3] = 0l;
2321 ce.xclient.data.l[4] = 0l;
2322 XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2323 }
2324
2325 #ifdef DEBUG_FOCUS
2326 g_message("%sively focusing %lx at %d", (self->can_focus ? "act" : "pass"),
2327 self->window, (int)
2328 event_lasttime);
2329 #endif
2330
2331 /* Cause the FocusIn to come back to us. Important for desktop switches,
2332 since otherwise we'll have no FocusIn on the queue and send it off to
2333 the focus_backup. */
2334 XSync(ob_display, FALSE);
2335 return TRUE;
2336 }
2337
2338 void client_unfocus(Client *self)
2339 {
2340 g_assert(focus_client == self);
2341 #ifdef DEBUG_FOCUS
2342 g_message("client_unfocus for %lx", self->window);
2343 #endif
2344 focus_fallback(Fallback_Unfocusing);
2345 }
2346
2347 void client_activate(Client *self)
2348 {
2349 if (client_normal(self) && screen_showing_desktop)
2350 screen_show_desktop(FALSE);
2351 if (self->iconic)
2352 client_iconify(self, FALSE, TRUE);
2353 else if (!self->frame->visible)
2354 /* if its not visible for other reasons, then don't mess
2355 with it */
2356 return;
2357 if (self->shaded)
2358 client_shade(self, FALSE);
2359 client_focus(self);
2360 stacking_raise(CLIENT_AS_WINDOW(self));
2361 }
2362
2363 gboolean client_focused(Client *self)
2364 {
2365 return self == focus_client;
2366 }
2367
2368 Icon *client_icon(Client *self, int w, int h)
2369 {
2370 int i;
2371 /* si is the smallest image >= req */
2372 /* li is the largest image < req */
2373 unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2374
2375 if (!self->nicons) return NULL;
2376
2377 for (i = 0; i < self->nicons; ++i) {
2378 size = self->icons[i].width * self->icons[i].height;
2379 if (size < smallest && size >= (unsigned)(w * h)) {
2380 smallest = size;
2381 si = i;
2382 }
2383 if (size > largest && size <= (unsigned)(w * h)) {
2384 largest = size;
2385 li = i;
2386 }
2387 }
2388 if (largest == 0) /* didnt find one smaller than the requested size */
2389 return &self->icons[si];
2390 return &self->icons[li];
2391 }
2392
2393 /* this be mostly ripped from fvwm */
2394 Client *client_find_directional(Client *c, Direction dir)
2395 {
2396 int my_cx, my_cy, his_cx, his_cy;
2397 int offset = 0;
2398 int distance = 0;
2399 int score, best_score;
2400 Client *best_client, *cur;
2401 GList *it;
2402
2403 if(!client_list)
2404 return NULL;
2405
2406 /* first, find the centre coords of the currently focused window */
2407 my_cx = c->frame->area.x + c->frame->area.width / 2;
2408 my_cy = c->frame->area.y + c->frame->area.height / 2;
2409
2410 best_score = -1;
2411 best_client = NULL;
2412
2413 for(it = g_list_first(client_list); it; it = it->next) {
2414 cur = it->data;
2415
2416 /* the currently selected window isn't interesting */
2417 if(cur == c)
2418 continue;
2419 if (!client_normal(cur))
2420 continue;
2421 if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2422 continue;
2423 if(cur->iconic)
2424 continue;
2425 if(client_focus_target(cur) == cur &&
2426 !(cur->can_focus || cur->focus_notify))
2427 continue;
2428
2429 /* find the centre coords of this window, from the
2430 * currently focused window's point of view */
2431 his_cx = (cur->frame->area.x - my_cx)
2432 + cur->frame->area.width / 2;
2433 his_cy = (cur->frame->area.y - my_cy)
2434 + cur->frame->area.height / 2;
2435
2436 if(dir > 3) {
2437 int tx;
2438 /* Rotate the diagonals 45 degrees counterclockwise.
2439 * To do this, multiply the matrix /+h +h\ with the
2440 * vector (x y). \-h +h/
2441 * h = sqrt(0.5). We can set h := 1 since absolute
2442 * distance doesn't matter here. */
2443 tx = his_cx + his_cy;
2444 his_cy = -his_cx + his_cy;
2445 his_cx = tx;
2446 }
2447
2448 switch(dir) {
2449 case Direction_North :
2450 case Direction_South :
2451 case Direction_NorthEast :
2452 case Direction_SouthWest :
2453 offset = (his_cx < 0) ? -his_cx : his_cx;
2454 distance = (dir == Direction_North || dir == Direction_NorthEast) ?
2455 -his_cy : his_cy;
2456 break;
2457 case Direction_East :
2458 case Direction_West :
2459 case Direction_SouthEast :
2460 case Direction_NorthWest :
2461 offset = (his_cy < 0) ? -his_cy : his_cy;
2462 distance = (dir == Direction_West || dir == Direction_NorthWest) ?
2463 -his_cx : his_cx;
2464 break;
2465 }
2466
2467 /* the target must be in the requested direction */
2468 if(distance <= 0)
2469 continue;
2470
2471 /* Calculate score for this window. The smaller the better. */
2472 score = distance + offset;
2473
2474 /* windows more than 45 degrees off the direction are
2475 * heavily penalized and will only be chosen if nothing
2476 * else within a million pixels */
2477 if(offset > distance)
2478 score += 1000000;
2479
2480 if(best_score == -1 || score < best_score)
2481 best_client = cur,
2482 best_score = score;
2483 }
2484
2485 return best_client;
2486 }
2487
2488 void client_set_layer(Client *self, int layer)
2489 {
2490 if (layer < 0) {
2491 self->below = TRUE;
2492 self->above = FALSE;
2493 } else if (layer == 0) {
2494 self->below = self->above = FALSE;
2495 } else {
2496 self->below = FALSE;
2497 self->above = TRUE;
2498 }
2499 client_calc_layer(self);
2500 client_change_state(self); /* reflect this in the state hints */
2501 }
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