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[chaz/openbox] / openbox / client.c
1 #include "client.h"
2 #include "screen.h"
3 #include "prop.h"
4 #include "extensions.h"
5 #include "frame.h"
6 #include "engine.h"
7 #include "event.h"
8 #include "grab.h"
9 #include "focus.h"
10 #include "stacking.h"
11 #include "dispatch.h"
12 #include "group.h"
13
14 #include <glib.h>
15 #include <X11/Xutil.h>
16
17 /*! The event mask to grab on client windows */
18 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
19 StructureNotifyMask)
20
21 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
22 ButtonMotionMask)
23
24 GList *client_list = NULL;
25 GHashTable *client_map = NULL;
26
27 static Window *client_startup_stack_order = NULL;
28 static gulong client_startup_stack_size = 0;
29
30 static void client_get_all(Client *self);
31 static void client_toggle_border(Client *self, gboolean show);
32 static void client_get_area(Client *self);
33 static void client_get_desktop(Client *self);
34 static void client_get_state(Client *self);
35 static void client_get_shaped(Client *self);
36 static void client_get_mwm_hints(Client *self);
37 static void client_get_gravity(Client *self);
38 static void client_showhide(Client *self);
39 static void client_change_allowed_actions(Client *self);
40 static void client_change_state(Client *self);
41 static Client *search_focus_tree(Client *node, Client *skip);
42 static void client_apply_startup_state(Client *self);
43 static Client *search_modal_tree(Client *node, Client *skip);
44
45 static guint map_hash(Window *w) { return *w; }
46 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
47
48 void client_startup()
49 {
50 client_map = g_hash_table_new((GHashFunc)map_hash,
51 (GEqualFunc)map_key_comp);
52
53 /* save the stacking order on startup! */
54 PROP_GET32U(ob_root, net_client_list_stacking, window,
55 client_startup_stack_order, client_startup_stack_size);
56
57 client_set_list();
58 }
59
60 void client_shutdown()
61 {
62 g_hash_table_destroy(client_map);
63 }
64
65 void client_set_list()
66 {
67 Window *windows, *win_it;
68 GList *it;
69 guint size = g_list_length(client_list);
70
71 /* create an array of the window ids */
72 if (size > 0) {
73 windows = g_new(Window, size);
74 win_it = windows;
75 for (it = client_list; it != NULL; it = it->next, ++win_it)
76 *win_it = ((Client*)it->data)->window;
77 } else
78 windows = NULL;
79
80 PROP_SET32A(ob_root, net_client_list, window, windows, size);
81
82 if (windows)
83 g_free(windows);
84
85 stacking_set_list();
86 }
87
88 void client_manage_all()
89 {
90 unsigned int i, j, nchild;
91 Window w, *children;
92 XWMHints *wmhints;
93 XWindowAttributes attrib;
94
95 XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
96
97 /* remove all icon windows from the list */
98 for (i = 0; i < nchild; i++) {
99 if (children[i] == None) continue;
100 wmhints = XGetWMHints(ob_display, children[i]);
101 if (wmhints) {
102 if ((wmhints->flags & IconWindowHint) &&
103 (wmhints->icon_window != children[i]))
104 for (j = 0; j < nchild; j++)
105 if (children[j] == wmhints->icon_window) {
106 children[j] = None;
107 break;
108 }
109 XFree(wmhints);
110 }
111 }
112
113 for (i = 0; i < nchild; ++i) {
114 if (children[i] == None)
115 continue;
116 if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
117 if (attrib.override_redirect) continue;
118
119 if (attrib.map_state != IsUnmapped)
120 client_manage(children[i]);
121 }
122 }
123 XFree(children);
124
125 /* stack them as they were on startup!
126 why with stacking_lower? Why, because then windows who aren't in the
127 stacking list are on the top where you can see them instead of buried
128 at the bottom! */
129 for (i = client_startup_stack_size; i > 0; --i) {
130 Client *c;
131
132 w = client_startup_stack_order[i-1];
133 c = g_hash_table_lookup(client_map, &w);
134 if (c) stacking_lower(c);
135 }
136 g_free(client_startup_stack_order);
137 client_startup_stack_order = NULL;
138 client_startup_stack_size = 0;
139
140 if (focus_new)
141 focus_fallback(FALSE);
142 }
143
144 void client_manage(Window window)
145 {
146 Client *client;
147 XEvent e;
148 XWindowAttributes attrib;
149 XSetWindowAttributes attrib_set;
150 /* XWMHints *wmhint; */
151 guint i;
152
153 grab_server(TRUE);
154
155 /* check if it has already been unmapped by the time we started mapping
156 the grab does a sync so we don't have to here */
157 if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
158 XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
159 XPutBackEvent(ob_display, &e);
160
161 grab_server(FALSE);
162 return; /* don't manage it */
163 }
164
165 /* make sure it isn't an override-redirect window */
166 if (!XGetWindowAttributes(ob_display, window, &attrib) ||
167 attrib.override_redirect) {
168 grab_server(FALSE);
169 return; /* don't manage it */
170 }
171
172 /* /\* is the window a docking app *\/
173 if ((wmhint = XGetWMHints(ob_display, window))) {
174 if ((wmhint->flags & StateHint) &&
175 wmhint->initial_state == WithdrawnState) {
176 /\* XXX: make dock apps work! *\/
177 grab_server(FALSE);
178 XFree(wmhint);
179 return;
180 }
181 XFree(wmhint);
182 }
183 */
184
185 /* choose the events we want to receive on the CLIENT window */
186 attrib_set.event_mask = CLIENT_EVENTMASK;
187 attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
188 XChangeWindowAttributes(ob_display, window,
189 CWEventMask|CWDontPropagate, &attrib_set);
190
191
192 /* create the Client struct, and populate it from the hints on the
193 window */
194 client = g_new(Client, 1);
195 client->window = window;
196 client_get_all(client);
197
198 /* remove the client's border (and adjust re gravity) */
199 client_toggle_border(client, FALSE);
200
201 /* specify that if we exit, the window should not be destroyed and should
202 be reparented back to root automatically */
203 XChangeSaveSet(ob_display, window, SetModeInsert);
204
205 /* create the decoration frame for the client window */
206 client->frame = engine_frame_new();
207
208 engine_frame_grab_client(client->frame, client);
209
210 client_apply_startup_state(client);
211
212 grab_server(FALSE);
213
214 client_list = g_list_append(client_list, client);
215 stacking_list = g_list_append(stacking_list, client);
216 g_assert(!g_hash_table_lookup(client_map, &client->window));
217 g_hash_table_insert(client_map, &client->window, client);
218
219 /* update the focus lists */
220 if (client->desktop == DESKTOP_ALL) {
221 for (i = 0; i < screen_num_desktops; ++i)
222 focus_order[i] = g_list_append(focus_order[i], client);
223 } else {
224 i = client->desktop;
225 focus_order[i] = g_list_append(focus_order[i], client);
226 }
227
228 stacking_raise(client);
229
230 screen_update_struts();
231
232 dispatch_client(Event_Client_New, client, 0, 0);
233
234 client_showhide(client);
235
236 dispatch_client(Event_Client_Mapped, client, 0, 0);
237
238 if (ob_state != State_Starting && focus_new)
239 client_focus(client);
240
241 /* update the list hints */
242 client_set_list();
243
244 /* g_message("Managed window 0x%lx", window);*/
245 }
246
247 void client_unmanage_all()
248 {
249 while (client_list != NULL)
250 client_unmanage(client_list->data);
251 }
252
253 void client_unmanage(Client *client)
254 {
255 guint i;
256 int j;
257 GSList *it;
258
259 /* g_message("Unmanaging window: %lx", client->window);*/
260
261 dispatch_client(Event_Client_Destroy, client, 0, 0);
262 g_assert(client != NULL);
263
264 /* remove the window from our save set */
265 XChangeSaveSet(ob_display, client->window, SetModeDelete);
266
267 /* we dont want events no more */
268 XSelectInput(ob_display, client->window, NoEventMask);
269
270 engine_frame_hide(client->frame);
271
272 client_list = g_list_remove(client_list, client);
273 stacking_list = g_list_remove(stacking_list, client);
274 g_hash_table_remove(client_map, &client->window);
275
276 /* update the focus lists */
277 if (client->desktop == DESKTOP_ALL) {
278 for (i = 0; i < screen_num_desktops; ++i)
279 focus_order[i] = g_list_remove(focus_order[i], client);
280 } else {
281 i = client->desktop;
282 focus_order[i] = g_list_remove(focus_order[i], client);
283 }
284
285 /* once the client is out of the list, update the struts to remove it's
286 influence */
287 screen_update_struts();
288
289 /* tell our parent that we're gone */
290 if (client->transient_for != NULL)
291 client->transient_for->transients =
292 g_slist_remove(client->transient_for->transients, client);
293
294 /* tell our transients that we're gone */
295 for (it = client->transients; it != NULL; it = it->next) {
296 ((Client*)it->data)->transient_for = NULL;
297 client_calc_layer(it->data);
298 }
299
300 /* dispatch the unmapped event */
301 dispatch_client(Event_Client_Unmapped, client, 0, 0);
302 g_assert(client != NULL);
303
304 /* give the client its border back */
305 client_toggle_border(client, TRUE);
306
307 /* reparent the window out of the frame, and free the frame */
308 engine_frame_release_client(client->frame, client);
309 client->frame = NULL;
310
311 if (ob_state != State_Exiting) {
312 /* these values should not be persisted across a window
313 unmapping/mapping */
314 prop_erase(client->window, prop_atoms.net_wm_desktop);
315 prop_erase(client->window, prop_atoms.net_wm_state);
316 } else {
317 /* if we're left in an iconic state, the client wont be mapped. this is
318 bad, since we will no longer be managing the window on restart */
319 if (client->iconic)
320 XMapWindow(ob_display, client->window);
321 }
322
323 /* remoev from its group */
324 if (client->group)
325 group_remove(client->group, client);
326
327 /* free all data allocated in the client struct */
328 g_slist_free(client->transients);
329 for (j = 0; j < client->nicons; ++j)
330 g_free(client->icons[j].data);
331 if (client->nicons > 0)
332 g_free(client->icons);
333 g_free(client->title);
334 g_free(client->icon_title);
335 g_free(client->name);
336 g_free(client->class);
337 g_free(client->role);
338 g_free(client);
339
340 /* update the list hints */
341 client_set_list();
342 }
343
344 static void client_toggle_border(Client *self, gboolean show)
345 {
346 /* adjust our idea of where the client is, based on its border. When the
347 border is removed, the client should now be considered to be in a
348 different position.
349 when re-adding the border to the client, the same operation needs to be
350 reversed. */
351 int oldx = self->area.x, oldy = self->area.y;
352 int x = oldx, y = oldy;
353 switch(self->gravity) {
354 default:
355 case NorthWestGravity:
356 case WestGravity:
357 case SouthWestGravity:
358 break;
359 case NorthEastGravity:
360 case EastGravity:
361 case SouthEastGravity:
362 if (show) x -= self->border_width * 2;
363 else x += self->border_width * 2;
364 break;
365 case NorthGravity:
366 case SouthGravity:
367 case CenterGravity:
368 case ForgetGravity:
369 case StaticGravity:
370 if (show) x -= self->border_width;
371 else x += self->border_width;
372 break;
373 }
374 switch(self->gravity) {
375 default:
376 case NorthWestGravity:
377 case NorthGravity:
378 case NorthEastGravity:
379 break;
380 case SouthWestGravity:
381 case SouthGravity:
382 case SouthEastGravity:
383 if (show) y -= self->border_width * 2;
384 else y += self->border_width * 2;
385 break;
386 case WestGravity:
387 case EastGravity:
388 case CenterGravity:
389 case ForgetGravity:
390 case StaticGravity:
391 if (show) y -= self->border_width;
392 else y += self->border_width;
393 break;
394 }
395 self->area.x = x;
396 self->area.y = y;
397
398 if (show) {
399 XSetWindowBorderWidth(ob_display, self->window, self->border_width);
400
401 /* move the client so it is back it the right spot _with_ its
402 border! */
403 if (x != oldx || y != oldy)
404 XMoveWindow(ob_display, self->window, x, y);
405 } else
406 XSetWindowBorderWidth(ob_display, self->window, 0);
407 }
408
409
410 static void client_get_all(Client *self)
411 {
412 /* update EVERYTHING!! */
413
414 self->ignore_unmaps = 0;
415
416 /* defaults */
417 self->frame = NULL;
418 self->title = self->icon_title = NULL;
419 self->name = self->class = self->role = NULL;
420 self->wmstate = NormalState;
421 self->transient = FALSE;
422 self->transients = NULL;
423 self->transient_for = NULL;
424 self->layer = -1;
425 self->urgent = FALSE;
426 self->positioned = FALSE;
427 self->disabled_decorations = 0;
428 self->group = NULL;
429 self->nicons = 0;
430
431 client_get_area(self);
432 client_get_desktop(self);
433 client_get_state(self);
434 client_get_shaped(self);
435
436 client_update_transient_for(self);
437 client_get_mwm_hints(self);
438 client_get_type(self);/* this can change the mwmhints for special cases */
439
440 client_update_protocols(self);
441
442 client_get_gravity(self); /* get the attribute gravity */
443 client_update_normal_hints(self); /* this may override the attribute
444 gravity */
445
446 /* got the type, the mwmhints, the protocols, and the normal hints
447 (min/max sizes), so we're ready to set up the decorations/functions */
448 client_setup_decor_and_functions(self);
449
450 client_update_wmhints(self);
451 client_update_title(self);
452 client_update_icon_title(self);
453 client_update_class(self);
454 client_update_strut(self);
455 client_update_icons(self);
456 client_update_kwm_icon(self);
457
458 /* this makes sure that these windows appear on all desktops */
459 if (self->type == Type_Desktop)
460 self->desktop = DESKTOP_ALL;
461
462 /* set the desktop hint, to make sure that it always exists, and to
463 reflect any changes we've made here */
464 PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
465
466 client_change_state(self);
467 }
468
469 static void client_get_area(Client *self)
470 {
471 XWindowAttributes wattrib;
472 Status ret;
473
474 ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
475 g_assert(ret != BadWindow);
476
477 RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
478 self->border_width = wattrib.border_width;
479 }
480
481 static void client_get_desktop(Client *self)
482 {
483 unsigned int d;
484
485 if (PROP_GET32(self->window, net_wm_desktop, cardinal, d)) {
486 if (d >= screen_num_desktops && d != DESKTOP_ALL)
487 d = screen_num_desktops - 1;
488 self->desktop = d;
489 } else {
490 /* defaults to the current desktop */
491 self->desktop = screen_desktop;
492 }
493 }
494
495 static void client_get_state(Client *self)
496 {
497 gulong *state;
498 gulong num;
499
500 self->modal = self->shaded = self->max_horz = self->max_vert =
501 self->fullscreen = self->above = self->below = self->iconic =
502 self->skip_taskbar = self->skip_pager = FALSE;
503
504 if (PROP_GET32U(self->window, net_wm_state, atom, state, num)) {
505 gulong i;
506 for (i = 0; i < num; ++i) {
507 if (state[i] == prop_atoms.net_wm_state_modal)
508 self->modal = TRUE;
509 else if (state[i] == prop_atoms.net_wm_state_shaded)
510 self->shaded = TRUE;
511 else if (state[i] == prop_atoms.net_wm_state_hidden)
512 self->iconic = TRUE;
513 else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
514 self->skip_taskbar = TRUE;
515 else if (state[i] == prop_atoms.net_wm_state_skip_pager)
516 self->skip_pager = TRUE;
517 else if (state[i] == prop_atoms.net_wm_state_fullscreen)
518 self->fullscreen = TRUE;
519 else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
520 self->max_vert = TRUE;
521 else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
522 self->max_horz = TRUE;
523 else if (state[i] == prop_atoms.net_wm_state_above)
524 self->above = TRUE;
525 else if (state[i] == prop_atoms.net_wm_state_below)
526 self->below = TRUE;
527 }
528
529 g_free(state);
530 }
531 }
532
533 static void client_get_shaped(Client *self)
534 {
535 self->shaped = FALSE;
536 #ifdef SHAPE
537 if (extensions_shape) {
538 int foo;
539 guint ufoo;
540 int s;
541
542 XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
543
544 XShapeQueryExtents(ob_display, self->window, &s, &foo,
545 &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
546 &ufoo);
547 self->shaped = (s != 0);
548 }
549 #endif
550 }
551
552 void client_update_transient_for(Client *self)
553 {
554 Window t = None;
555 Client *c = NULL;
556
557 if (XGetTransientForHint(ob_display, self->window, &t) &&
558 t != self->window) { /* cant be transient to itself! */
559 self->transient = TRUE;
560 c = g_hash_table_lookup(client_map, &t);
561 g_assert(c != self);/* if this happens then we need to check for it*/
562
563 if (!c /*XXX: && _group*/) {
564 /* not transient to a client, see if it is transient for a
565 group */
566 if (/*t == _group->leader() || */
567 t == None ||
568 t == ob_root) {
569 /* window is a transient for its group! */
570 /* XXX: for now this is treated as non-transient.
571 this needs to be fixed! */
572 }
573 }
574 } else
575 self->transient = FALSE;
576
577 /* if anything has changed... */
578 if (c != self->transient_for) {
579 if (self->transient_for)
580 /* remove from old parent */
581 self->transient_for->transients =
582 g_slist_remove(self->transient_for->transients, self);
583 self->transient_for = c;
584 if (self->transient_for)
585 /* add to new parent */
586 self->transient_for->transients =
587 g_slist_append(self->transient_for->transients, self);
588 }
589 }
590
591 static void client_get_mwm_hints(Client *self)
592 {
593 unsigned long num;
594 unsigned long *hints;
595
596 self->mwmhints.flags = 0; /* default to none */
597
598 if (PROP_GET32U(self->window, motif_wm_hints, motif_wm_hints, hints, num)) {
599 if (num >= MWM_ELEMENTS) {
600 self->mwmhints.flags = hints[0];
601 self->mwmhints.functions = hints[1];
602 self->mwmhints.decorations = hints[2];
603 }
604 g_free(hints);
605 }
606 }
607
608 void client_get_type(Client *self)
609 {
610 gulong *val, num, i;
611
612 self->type = -1;
613
614 if (PROP_GET32U(self->window, net_wm_window_type, atom, val, num)) {
615 /* use the first value that we know about in the array */
616 for (i = 0; i < num; ++i) {
617 if (val[i] == prop_atoms.net_wm_window_type_desktop)
618 self->type = Type_Desktop;
619 else if (val[i] == prop_atoms.net_wm_window_type_dock)
620 self->type = Type_Dock;
621 else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
622 self->type = Type_Toolbar;
623 else if (val[i] == prop_atoms.net_wm_window_type_menu)
624 self->type = Type_Menu;
625 else if (val[i] == prop_atoms.net_wm_window_type_utility)
626 self->type = Type_Utility;
627 else if (val[i] == prop_atoms.net_wm_window_type_splash)
628 self->type = Type_Splash;
629 else if (val[i] == prop_atoms.net_wm_window_type_dialog)
630 self->type = Type_Dialog;
631 else if (val[i] == prop_atoms.net_wm_window_type_normal)
632 self->type = Type_Normal;
633 else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
634 /* prevent this window from getting any decor or
635 functionality */
636 self->mwmhints.flags &= (MwmFlag_Functions |
637 MwmFlag_Decorations);
638 self->mwmhints.decorations = 0;
639 self->mwmhints.functions = 0;
640 }
641 if (self->type != (WindowType) -1)
642 break; /* grab the first legit type */
643 }
644 g_free(val);
645 }
646
647 if (self->type == (WindowType) -1) {
648 /*the window type hint was not set, which means we either classify
649 ourself as a normal window or a dialog, depending on if we are a
650 transient. */
651 if (self->transient)
652 self->type = Type_Dialog;
653 else
654 self->type = Type_Normal;
655 }
656 }
657
658 void client_update_protocols(Client *self)
659 {
660 Atom *proto;
661 gulong num_return, i;
662
663 self->focus_notify = FALSE;
664 self->delete_window = FALSE;
665
666 if (PROP_GET32U(self->window, wm_protocols, atom, proto, num_return)) {
667 for (i = 0; i < num_return; ++i) {
668 if (proto[i] == prop_atoms.wm_delete_window) {
669 /* this means we can request the window to close */
670 self->delete_window = TRUE;
671 } else if (proto[i] == prop_atoms.wm_take_focus)
672 /* if this protocol is requested, then the window will be
673 notified whenever we want it to receive focus */
674 self->focus_notify = TRUE;
675 }
676 g_free(proto);
677 }
678 }
679
680 static void client_get_gravity(Client *self)
681 {
682 XWindowAttributes wattrib;
683 Status ret;
684
685 ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
686 g_assert(ret != BadWindow);
687 self->gravity = wattrib.win_gravity;
688 }
689
690 void client_update_normal_hints(Client *self)
691 {
692 XSizeHints size;
693 long ret;
694 int oldgravity = self->gravity;
695
696 /* defaults */
697 self->min_ratio = 0.0f;
698 self->max_ratio = 0.0f;
699 SIZE_SET(self->size_inc, 1, 1);
700 SIZE_SET(self->base_size, 0, 0);
701 SIZE_SET(self->min_size, 0, 0);
702 SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
703
704 /* get the hints from the window */
705 if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
706 self->positioned = !!(size.flags & (PPosition|USPosition));
707
708 if (size.flags & PWinGravity) {
709 self->gravity = size.win_gravity;
710
711 /* if the client has a frame, i.e. has already been mapped and
712 is changing its gravity */
713 if (self->frame && self->gravity != oldgravity) {
714 /* move our idea of the client's position based on its new
715 gravity */
716 self->area.x = self->frame->area.x;
717 self->area.y = self->frame->area.y;
718 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
719 }
720 }
721
722 if (size.flags & PAspect) {
723 if (size.min_aspect.y)
724 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
725 if (size.max_aspect.y)
726 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
727 }
728
729 if (size.flags & PMinSize)
730 SIZE_SET(self->min_size, size.min_width, size.min_height);
731
732 if (size.flags & PMaxSize)
733 SIZE_SET(self->max_size, size.max_width, size.max_height);
734
735 if (size.flags & PBaseSize)
736 SIZE_SET(self->base_size, size.base_width, size.base_height);
737
738 if (size.flags & PResizeInc)
739 SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
740 }
741 }
742
743 void client_setup_decor_and_functions(Client *self)
744 {
745 /* start with everything (cept fullscreen) */
746 self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
747 Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize |
748 Decor_Shade;
749 self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
750 Func_Shade;
751 if (self->delete_window) {
752 self->decorations |= Decor_Close;
753 self->functions |= Func_Close;
754 }
755
756 if (!(self->min_size.width < self->max_size.width ||
757 self->min_size.height < self->max_size.height)) {
758 self->decorations &= ~(Decor_Maximize | Decor_Handle);
759 self->functions &= ~(Func_Resize | Func_Maximize);
760 }
761
762 switch (self->type) {
763 case Type_Normal:
764 /* normal windows retain all of the possible decorations and
765 functionality, and are the only windows that you can fullscreen */
766 self->functions |= Func_Fullscreen;
767 break;
768
769 case Type_Dialog:
770 /* dialogs cannot be maximized */
771 self->decorations &= ~Decor_Maximize;
772 self->functions &= ~Func_Maximize;
773 break;
774
775 case Type_Menu:
776 case Type_Toolbar:
777 case Type_Utility:
778 /* these windows get less functionality */
779 self->decorations &= ~(Decor_Iconify | Decor_Handle);
780 self->functions &= ~(Func_Iconify | Func_Resize);
781 break;
782
783 case Type_Desktop:
784 case Type_Dock:
785 case Type_Splash:
786 /* none of these windows are manipulated by the window manager */
787 self->decorations = 0;
788 self->functions = 0;
789 break;
790 }
791
792 /* Mwm Hints are applied subtractively to what has already been chosen for
793 decor and functionality */
794 if (self->mwmhints.flags & MwmFlag_Decorations) {
795 if (! (self->mwmhints.decorations & MwmDecor_All)) {
796 if (! (self->mwmhints.decorations & MwmDecor_Border))
797 self->decorations &= ~Decor_Border;
798 if (! (self->mwmhints.decorations & MwmDecor_Handle))
799 self->decorations &= ~Decor_Handle;
800 if (! (self->mwmhints.decorations & MwmDecor_Title))
801 self->decorations &= ~Decor_Titlebar;
802 if (! (self->mwmhints.decorations & MwmDecor_Iconify))
803 self->decorations &= ~Decor_Iconify;
804 if (! (self->mwmhints.decorations & MwmDecor_Maximize))
805 self->decorations &= ~Decor_Maximize;
806 }
807 }
808
809 if (self->mwmhints.flags & MwmFlag_Functions) {
810 if (! (self->mwmhints.functions & MwmFunc_All)) {
811 if (! (self->mwmhints.functions & MwmFunc_Resize))
812 self->functions &= ~Func_Resize;
813 if (! (self->mwmhints.functions & MwmFunc_Move))
814 self->functions &= ~Func_Move;
815 if (! (self->mwmhints.functions & MwmFunc_Iconify))
816 self->functions &= ~Func_Iconify;
817 if (! (self->mwmhints.functions & MwmFunc_Maximize))
818 self->functions &= ~Func_Maximize;
819 /* dont let mwm hints kill the close button
820 if (! (self->mwmhints.functions & MwmFunc_Close))
821 self->functions &= ~Func_Close; */
822 }
823 }
824
825 /* can't maximize without moving/resizing */
826 if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
827 self->functions &= ~(Func_Maximize | Func_Fullscreen);
828
829 /* finally, user specified disabled decorations are applied to subtract
830 decorations */
831 if (self->disabled_decorations & Decor_Titlebar)
832 self->decorations &= ~Decor_Titlebar;
833 if (self->disabled_decorations & Decor_Handle)
834 self->decorations &= ~Decor_Handle;
835 if (self->disabled_decorations & Decor_Border)
836 self->decorations &= ~Decor_Border;
837 if (self->disabled_decorations & Decor_Iconify)
838 self->decorations &= ~Decor_Iconify;
839 if (self->disabled_decorations & Decor_Maximize)
840 self->decorations &= ~Decor_Maximize;
841 if (self->disabled_decorations & Decor_AllDesktops)
842 self->decorations &= ~Decor_AllDesktops;
843 if (self->disabled_decorations & Decor_Shade)
844 self->decorations &= ~Decor_Shade;
845 if (self->disabled_decorations & Decor_Close)
846 self->decorations &= ~Decor_Close;
847
848 /* if we don't have a titlebar, then we cannot shade! */
849 if (!(self->decorations & Decor_Titlebar))
850 self->functions &= ~Func_Shade;
851
852 client_change_allowed_actions(self);
853
854 if (self->frame) {
855 /* change the decors on the frame, and with more/less decorations,
856 we may also need to be repositioned */
857 engine_frame_adjust_area(self->frame, TRUE, TRUE);
858 /* with new decor, the window's maximized size may change */
859 client_remaximize(self);
860 }
861 }
862
863 static void client_change_allowed_actions(Client *self)
864 {
865 Atom actions[9];
866 int num = 0;
867
868 actions[num++] = prop_atoms.net_wm_action_change_desktop;
869
870 if (self->functions & Func_Shade)
871 actions[num++] = prop_atoms.net_wm_action_shade;
872 if (self->functions & Func_Close)
873 actions[num++] = prop_atoms.net_wm_action_close;
874 if (self->functions & Func_Move)
875 actions[num++] = prop_atoms.net_wm_action_move;
876 if (self->functions & Func_Iconify)
877 actions[num++] = prop_atoms.net_wm_action_minimize;
878 if (self->functions & Func_Resize)
879 actions[num++] = prop_atoms.net_wm_action_resize;
880 if (self->functions & Func_Fullscreen)
881 actions[num++] = prop_atoms.net_wm_action_fullscreen;
882 if (self->functions & Func_Maximize) {
883 actions[num++] = prop_atoms.net_wm_action_maximize_horz;
884 actions[num++] = prop_atoms.net_wm_action_maximize_vert;
885 }
886
887 PROP_SET32A(self->window, net_wm_allowed_actions, atom, actions, num);
888
889 /* make sure the window isn't breaking any rules now */
890
891 if (!(self->functions & Func_Shade) && self->shaded) {
892 if (self->frame) client_shade(self, FALSE);
893 else self->shaded = FALSE;
894 }
895 if (!(self->functions & Func_Iconify) && self->iconic) {
896 g_message("UNSETTING ICONIC");
897 if (self->frame) client_iconify(self, FALSE, TRUE);
898 else self->iconic = FALSE;
899 }
900 if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
901 if (self->frame) client_fullscreen(self, FALSE, TRUE);
902 else self->fullscreen = FALSE;
903 }
904 if (!(self->functions & Func_Maximize) && (self->max_horz ||
905 self->max_vert)) {
906 if (self->frame) client_maximize(self, FALSE, 0, TRUE);
907 else self->max_vert = self->max_horz = FALSE;
908 }
909 }
910
911 void client_remaximize(Client *self)
912 {
913 int dir;
914 if (self->max_horz && self->max_vert)
915 dir = 0;
916 else if (self->max_horz)
917 dir = 1;
918 else if (self->max_vert)
919 dir = 2;
920 else
921 return; /* not maximized */
922 self->max_horz = self->max_vert = FALSE;
923 client_maximize(self, TRUE, dir, FALSE);
924 }
925
926 void client_update_wmhints(Client *self)
927 {
928 XWMHints *hints;
929 gboolean ur = FALSE;
930
931 /* assume a window takes input if it doesnt specify */
932 self->can_focus = TRUE;
933
934 if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
935 if (hints->flags & InputHint)
936 self->can_focus = hints->input;
937
938 /* only do this when first managing the window *AND* when we aren't
939 starting up! */
940 if (ob_state != State_Starting && self->frame == NULL)
941 if (hints->flags & StateHint)
942 self->iconic = hints->initial_state == IconicState;
943
944 if (hints->flags & XUrgencyHint)
945 ur = TRUE;
946
947 if (hints->flags & WindowGroupHint) {
948 if (hints->window_group !=
949 (self->group ? self->group->leader : None)) {
950 /* remove from the old group if there was one */
951 if (self->group != NULL)
952 group_remove(self->group, self);
953 self->group = group_add(hints->window_group, self);
954 }
955 } else /* no group! */
956 self->group = None;
957
958 if (hints->flags & IconPixmapHint) {
959 client_update_kwm_icon(self);
960 /* try get the kwm icon first, this is a fallback only */
961 if (self->pixmap_icon == None) {
962 self->pixmap_icon = hints->icon_pixmap;
963 if (hints->flags & IconMaskHint)
964 self->pixmap_icon_mask = hints->icon_mask;
965 else
966 self->pixmap_icon_mask = None;
967
968 if (self->frame)
969 engine_frame_adjust_icon(self->frame);
970 }
971 }
972
973 XFree(hints);
974 }
975
976 if (ur != self->urgent) {
977 self->urgent = ur;
978 g_message("Urgent Hint for 0x%lx: %s", self->window,
979 ur ? "ON" : "OFF");
980 /* fire the urgent callback if we're mapped, otherwise, wait until
981 after we're mapped */
982 if (self->frame)
983 dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
984 }
985 }
986
987 void client_update_title(Client *self)
988 {
989 gchar *data = NULL;
990
991 g_free(self->title);
992
993 /* try netwm */
994 if (!PROP_GETS(self->window, net_wm_name, utf8, data)) {
995 /* try old x stuff */
996 if (PROP_GETS(self->window, wm_name, string, data)) {
997 /* convert it to UTF-8 */
998 gsize r, w;
999 gchar *u;
1000
1001 u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1002 if (u == NULL) {
1003 g_warning("Unable to convert string to UTF-8");
1004 } else {
1005 g_free(data);
1006 data = u;
1007 }
1008 }
1009 if (data == NULL)
1010 data = g_strdup("Unnamed Window");
1011
1012 PROP_SETS(self->window, net_wm_visible_name, utf8, data);
1013 }
1014
1015 self->title = data;
1016
1017 if (self->frame)
1018 engine_frame_adjust_title(self->frame);
1019 }
1020
1021 void client_update_icon_title(Client *self)
1022 {
1023 gchar *data = NULL;
1024
1025 g_free(self->icon_title);
1026
1027 /* try netwm */
1028 if (!PROP_GETS(self->window, net_wm_icon_name, utf8, data)) {
1029 /* try old x stuff */
1030 if (PROP_GETS(self->window, wm_icon_name, string, data)) {
1031 /* convert it to UTF-8 */
1032 gsize r, w;
1033 gchar *u;
1034
1035 u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1036 if (u == NULL) {
1037 g_warning("Unable to convert string to UTF-8");
1038 } else {
1039 g_free(data);
1040 data = u;
1041 }
1042 }
1043 if (data == NULL)
1044 data = g_strdup("Unnamed Window");
1045
1046 PROP_SETS(self->window, net_wm_visible_icon_name, utf8, data);
1047 }
1048
1049 self->icon_title = data;
1050 }
1051
1052 void client_update_class(Client *self)
1053 {
1054 GPtrArray *data;
1055 gchar *s;
1056 guint i;
1057
1058 if (self->name) g_free(self->name);
1059 if (self->class) g_free(self->class);
1060 if (self->role) g_free(self->role);
1061
1062 self->name = self->class = self->role = NULL;
1063
1064 data = g_ptr_array_new();
1065
1066 if (PROP_GETSA(self->window, wm_class, string, data)) {
1067 if (data->len > 0)
1068 self->name = g_strdup(g_ptr_array_index(data, 0));
1069 if (data->len > 1)
1070 self->class = g_strdup(g_ptr_array_index(data, 1));
1071 }
1072
1073 for (i = 0; i < data->len; ++i)
1074 g_free(g_ptr_array_index(data, i));
1075 g_ptr_array_free(data, TRUE);
1076
1077 if (PROP_GETS(self->window, wm_window_role, string, s))
1078 self->role = g_strdup(s);
1079
1080 if (self->name == NULL) self->name = g_strdup("");
1081 if (self->class == NULL) self->class = g_strdup("");
1082 if (self->role == NULL) self->role = g_strdup("");
1083 }
1084
1085 void client_update_strut(Client *self)
1086 {
1087 gulong *data;
1088
1089 if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
1090 STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
1091 g_free(data);
1092 } else
1093 STRUT_SET(self->strut, 0, 0, 0, 0);
1094
1095 /* updating here is pointless while we're being mapped cuz we're not in
1096 the client list yet */
1097 if (self->frame)
1098 screen_update_struts();
1099 }
1100
1101 void client_update_icons(Client *self)
1102 {
1103 unsigned long num;
1104 unsigned long *data;
1105 unsigned long w, h, i;
1106 int j;
1107
1108 for (j = 0; j < self->nicons; ++j)
1109 g_free(self->icons[j].data);
1110 if (self->nicons > 0)
1111 g_free(self->icons);
1112 self->nicons = 0;
1113
1114 if (PROP_GET32U(self->window, net_wm_icon, cardinal, data, num)) {
1115 /* figure out how many valid icons are in here */
1116 i = 0;
1117 while (num - i > 2) {
1118 w = data[i++];
1119 h = data[i++];
1120 i += w * h;
1121 if (i > num) break;
1122 ++self->nicons;
1123 }
1124
1125 self->icons = g_new(Icon, self->nicons);
1126
1127 /* store the icons */
1128 i = 0;
1129 for (j = 0; j < self->nicons; ++j) {
1130 w = self->icons[j].width = data[i++];
1131 h = self->icons[j].height = data[i++];
1132 self->icons[j].data =
1133 g_memdup(&data[i], w * h * sizeof(gulong));
1134 i += w * h;
1135 g_assert(i <= num);
1136 }
1137
1138 g_free(data);
1139 }
1140
1141 if (self->frame)
1142 engine_frame_adjust_icon(self->frame);
1143 }
1144
1145 void client_update_kwm_icon(Client *self)
1146 {
1147 Pixmap *data;
1148
1149 if (PROP_GET32A(self->window, kwm_win_icon, kwm_win_icon, data, 2)) {
1150 self->pixmap_icon = data[0];
1151 self->pixmap_icon_mask = data[1];
1152 g_free(data);
1153 } else {
1154 self->pixmap_icon = self->pixmap_icon_mask = None;
1155 }
1156 if (self->frame)
1157 engine_frame_adjust_icon(self->frame);
1158 }
1159
1160 static void client_change_state(Client *self)
1161 {
1162 unsigned long state[2];
1163 Atom netstate[10];
1164 int num;
1165
1166 state[0] = self->wmstate;
1167 state[1] = None;
1168 PROP_SET32A(self->window, wm_state, wm_state, state, 2);
1169
1170 num = 0;
1171 if (self->modal)
1172 netstate[num++] = prop_atoms.net_wm_state_modal;
1173 if (self->shaded)
1174 netstate[num++] = prop_atoms.net_wm_state_shaded;
1175 if (self->iconic)
1176 netstate[num++] = prop_atoms.net_wm_state_hidden;
1177 if (self->skip_taskbar)
1178 netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1179 if (self->skip_pager)
1180 netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1181 if (self->fullscreen)
1182 netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1183 if (self->max_vert)
1184 netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1185 if (self->max_horz)
1186 netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1187 if (self->above)
1188 netstate[num++] = prop_atoms.net_wm_state_above;
1189 if (self->below)
1190 netstate[num++] = prop_atoms.net_wm_state_below;
1191 PROP_SET32A(self->window, net_wm_state, atom, netstate, num);
1192
1193 client_calc_layer(self);
1194
1195 if (self->frame)
1196 engine_frame_adjust_state(self->frame);
1197 }
1198
1199 static Client *search_focus_tree(Client *node, Client *skip)
1200 {
1201 GSList *it;
1202 Client *ret;
1203
1204 for (it = node->transients; it != NULL; it = it->next) {
1205 Client *c = it->data;
1206 if (c == skip) continue; /* circular? */
1207 if ((ret = search_focus_tree(c, skip))) return ret;
1208 if (client_focused(c)) return c;
1209 }
1210 return NULL;
1211 }
1212
1213 void client_calc_layer(Client *self)
1214 {
1215 StackLayer l;
1216 gboolean fs;
1217 Client *c;
1218
1219 /* are we fullscreen, or do we have a fullscreen transient parent? */
1220 c = self;
1221 fs = FALSE;
1222 while (c) {
1223 if (c->fullscreen) {
1224 fs = TRUE;
1225 break;
1226 }
1227 c = c->transient_for;
1228 }
1229 if (!fs && self->fullscreen) {
1230 /* is one of our transients focused? */
1231 c = search_focus_tree(self, self);
1232 if (c != NULL) fs = TRUE;
1233 }
1234
1235 if (self->iconic) l = Layer_Icon;
1236 else if (fs) l = Layer_Fullscreen;
1237 else if (self->type == Type_Desktop) l = Layer_Desktop;
1238 else if (self->type == Type_Dock) {
1239 if (!self->below) l = Layer_Top;
1240 else l = Layer_Normal;
1241 }
1242 else if (self->above) l = Layer_Above;
1243 else if (self->below) l = Layer_Below;
1244 else l = Layer_Normal;
1245
1246 if (l != self->layer) {
1247 self->layer = l;
1248 if (self->frame)
1249 stacking_raise(self);
1250 }
1251 }
1252
1253 gboolean client_should_show(Client *self)
1254 {
1255 if (self->iconic) return FALSE;
1256 else if (!(self->desktop == screen_desktop ||
1257 self->desktop == DESKTOP_ALL)) return FALSE;
1258 else if (client_normal(self) && screen_showing_desktop) return FALSE;
1259
1260 return TRUE;
1261 }
1262
1263 static void client_showhide(Client *self)
1264 {
1265
1266 if (client_should_show(self))
1267 engine_frame_show(self->frame);
1268 else
1269 engine_frame_hide(self->frame);
1270 }
1271
1272 gboolean client_normal(Client *self) {
1273 return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1274 self->type == Type_Splash);
1275 }
1276
1277 static void client_apply_startup_state(Client *self)
1278 {
1279 /* these are in a carefully crafted order.. */
1280
1281 if (self->iconic) {
1282 self->iconic = FALSE;
1283 client_iconify(self, TRUE, FALSE);
1284 }
1285 if (self->fullscreen) {
1286 self->fullscreen = FALSE;
1287 client_fullscreen(self, TRUE, FALSE);
1288 }
1289 if (self->shaded) {
1290 self->shaded = FALSE;
1291 client_shade(self, TRUE);
1292 }
1293 if (self->urgent)
1294 dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1295
1296 if (self->max_vert && self->max_horz) {
1297 self->max_vert = self->max_horz = FALSE;
1298 client_maximize(self, TRUE, 0, FALSE);
1299 } else if (self->max_vert) {
1300 self->max_vert = FALSE;
1301 client_maximize(self, TRUE, 2, FALSE);
1302 } else if (self->max_horz) {
1303 self->max_horz = FALSE;
1304 client_maximize(self, TRUE, 1, FALSE);
1305 }
1306
1307 /* nothing to do for the other states:
1308 skip_taskbar
1309 skip_pager
1310 modal
1311 above
1312 below
1313 */
1314 }
1315
1316 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1317 gboolean user, gboolean final)
1318 {
1319 gboolean moved = FALSE, resized = FALSE;
1320
1321 /* gets the frame's position */
1322 frame_client_gravity(self->frame, &x, &y);
1323
1324 /* these positions are frame positions, not client positions */
1325
1326 /* set the size and position if fullscreen */
1327 if (self->fullscreen) {
1328 x = 0;
1329 y = 0;
1330 w = screen_physical_size.width;
1331 h = screen_physical_size.height;
1332 } else {
1333 /* set the size and position if maximized */
1334 if (self->max_horz) {
1335 x = screen_area(self->desktop)->x - self->frame->size.left;
1336 w = screen_area(self->desktop)->width;
1337 }
1338 if (self->max_vert) {
1339 y = screen_area(self->desktop)->y;
1340 h = screen_area(self->desktop)->height -
1341 self->frame->size.top - self->frame->size.bottom;
1342 }
1343 }
1344
1345 /* gets the client's position */
1346 frame_frame_gravity(self->frame, &x, &y);
1347
1348 /* these override the above states! if you cant move you can't move! */
1349 if (user) {
1350 if (!(self->functions & Func_Move)) {
1351 x = self->area.x;
1352 y = self->area.y;
1353 }
1354 if (!(self->functions & Func_Resize)) {
1355 w = self->area.width;
1356 h = self->area.height;
1357 }
1358 }
1359
1360 if (!(w == self->area.width && h == self->area.height)) {
1361 w -= self->base_size.width;
1362 h -= self->base_size.height;
1363
1364 if (user) {
1365 /* for interactive resizing. have to move half an increment in each
1366 direction. */
1367
1368 /* how far we are towards the next size inc */
1369 int mw = w % self->size_inc.width;
1370 int mh = h % self->size_inc.height;
1371 /* amount to add */
1372 int aw = self->size_inc.width / 2;
1373 int ah = self->size_inc.height / 2;
1374 /* don't let us move into a new size increment */
1375 if (mw + aw >= self->size_inc.width)
1376 aw = self->size_inc.width - mw - 1;
1377 if (mh + ah >= self->size_inc.height)
1378 ah = self->size_inc.height - mh - 1;
1379 w += aw;
1380 h += ah;
1381
1382 /* if this is a user-requested resize, then check against min/max
1383 sizes and aspect ratios */
1384
1385 /* smaller than min size or bigger than max size? */
1386 if (w > self->max_size.width) w = self->max_size.width;
1387 if (w < self->min_size.width) w = self->min_size.width;
1388 if (h > self->max_size.height) h = self->max_size.height;
1389 if (h < self->min_size.height) h = self->min_size.height;
1390
1391 /* adjust the height ot match the width for the aspect ratios */
1392 if (self->min_ratio)
1393 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1394 if (self->max_ratio)
1395 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1396 }
1397
1398 /* keep to the increments */
1399 w /= self->size_inc.width;
1400 h /= self->size_inc.height;
1401
1402 /* you cannot resize to nothing */
1403 if (w < 1) w = 1;
1404 if (h < 1) h = 1;
1405
1406 /* store the logical size */
1407 SIZE_SET(self->logical_size, w, h);
1408
1409 w *= self->size_inc.width;
1410 h *= self->size_inc.height;
1411
1412 w += self->base_size.width;
1413 h += self->base_size.height;
1414 }
1415
1416 switch (anchor) {
1417 case Corner_TopLeft:
1418 break;
1419 case Corner_TopRight:
1420 x -= w - self->area.width;
1421 break;
1422 case Corner_BottomLeft:
1423 y -= h - self->area.height;
1424 break;
1425 case Corner_BottomRight:
1426 x -= w - self->area.width;
1427 y -= h - self->area.height;
1428 break;
1429 }
1430
1431 moved = x != self->area.x || y != self->area.y;
1432 resized = w != self->area.width || h != self->area.height;
1433
1434 RECT_SET(self->area, x, y, w, h);
1435
1436 if (resized)
1437 XResizeWindow(ob_display, self->window, w, h);
1438
1439 /* move/resize the frame to match the request */
1440 if (self->frame) {
1441 if (moved || resized)
1442 engine_frame_adjust_area(self->frame, moved, resized);
1443
1444 if (!user || final) {
1445 XEvent event;
1446 event.type = ConfigureNotify;
1447 event.xconfigure.display = ob_display;
1448 event.xconfigure.event = self->window;
1449 event.xconfigure.window = self->window;
1450
1451 /* root window coords with border in mind */
1452 event.xconfigure.x = x - self->border_width +
1453 self->frame->size.left;
1454 event.xconfigure.y = y - self->border_width +
1455 self->frame->size.top;
1456
1457 event.xconfigure.width = self->area.width;
1458 event.xconfigure.height = self->area.height;
1459 event.xconfigure.border_width = self->border_width;
1460 event.xconfigure.above = self->frame->plate;
1461 event.xconfigure.override_redirect = FALSE;
1462 XSendEvent(event.xconfigure.display, event.xconfigure.window,
1463 FALSE, StructureNotifyMask, &event);
1464 }
1465 }
1466 }
1467
1468 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1469 {
1470 int x, y, w, h;
1471
1472 if (!(self->functions & Func_Fullscreen) || /* can't */
1473 self->fullscreen == fs) return; /* already done */
1474
1475 self->fullscreen = fs;
1476 client_change_state(self); /* change the state hints on the client */
1477
1478 if (fs) {
1479 /* save the functions and remove them */
1480 self->pre_fs_func = self->functions;
1481 self->functions &= (Func_Close | Func_Fullscreen |
1482 Func_Iconify);
1483 /* save the decorations and remove them */
1484 self->pre_fs_decor = self->decorations;
1485 self->decorations = 0;
1486 if (savearea) {
1487 long dimensions[4];
1488 dimensions[0] = self->area.x;
1489 dimensions[1] = self->area.y;
1490 dimensions[2] = self->area.width;
1491 dimensions[3] = self->area.height;
1492
1493 PROP_SET32A(self->window, openbox_premax, cardinal,
1494 dimensions, 4);
1495 }
1496
1497 /* these are not actually used cuz client_configure will set them
1498 as appropriate when the window is fullscreened */
1499 x = y = w = h = 0;
1500 } else {
1501 long *dimensions;
1502
1503 self->functions = self->pre_fs_func;
1504 self->decorations = self->pre_fs_decor;
1505
1506 if (PROP_GET32A(self->window, openbox_premax, cardinal,
1507 dimensions, 4)) {
1508 x = dimensions[0];
1509 y = dimensions[1];
1510 w = dimensions[2];
1511 h = dimensions[3];
1512 g_free(dimensions);
1513 } else {
1514 /* pick some fallbacks... */
1515 x = screen_area(self->desktop)->x +
1516 screen_area(self->desktop)->width / 4;
1517 y = screen_area(self->desktop)->y +
1518 screen_area(self->desktop)->height / 4;
1519 w = screen_area(self->desktop)->width / 2;
1520 h = screen_area(self->desktop)->height / 2;
1521 }
1522 }
1523
1524 client_change_allowed_actions(self); /* based on the new _functions */
1525
1526 /* when fullscreening, don't obey things like increments, fill the
1527 screen */
1528 client_configure(self, Corner_TopLeft, x, y, w, h, !fs, TRUE);
1529
1530 /* raise (back) into our stacking layer */
1531 stacking_raise(self);
1532
1533 /* try focus us when we go into fullscreen mode */
1534 client_focus(self);
1535 }
1536
1537 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1538 {
1539 if (self->iconic == iconic) return; /* nothing to do */
1540
1541 g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1542 self->window);
1543
1544 self->iconic = iconic;
1545
1546 if (iconic) {
1547 self->wmstate = IconicState;
1548 self->ignore_unmaps++;
1549 /* we unmap the client itself so that we can get MapRequest events,
1550 and because the ICCCM tells us to! */
1551 XUnmapWindow(ob_display, self->window);
1552 } else {
1553 if (curdesk)
1554 client_set_desktop(self, screen_desktop, FALSE);
1555 self->wmstate = self->shaded ? IconicState : NormalState;
1556 XMapWindow(ob_display, self->window);
1557 }
1558 client_change_state(self);
1559 client_showhide(self);
1560 screen_update_struts();
1561
1562 dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1563 self, 0, 0);
1564
1565 /* iconify all transients */
1566 if (self->transients) {
1567 GSList *it;
1568
1569 for (it = self->transients; it != NULL; it = it->next)
1570 if (it->data != self) client_iconify(it->data, iconic, curdesk);
1571 }
1572 }
1573
1574 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1575 {
1576 int x, y, w, h;
1577
1578 g_assert(dir == 0 || dir == 1 || dir == 2);
1579 if (!(self->functions & Func_Maximize)) return; /* can't */
1580
1581 /* check if already done */
1582 if (max) {
1583 if (dir == 0 && self->max_horz && self->max_vert) return;
1584 if (dir == 1 && self->max_horz) return;
1585 if (dir == 2 && self->max_vert) return;
1586 } else {
1587 if (dir == 0 && !self->max_horz && !self->max_vert) return;
1588 if (dir == 1 && !self->max_horz) return;
1589 if (dir == 2 && !self->max_vert) return;
1590 }
1591
1592 /* work with the frame's coords */
1593 x = self->frame->area.x;
1594 y = self->frame->area.y;
1595 w = self->area.width;
1596 h = self->area.height;
1597
1598 if (max) {
1599 if (savearea) {
1600 long dimensions[4];
1601 long *readdim;
1602
1603 dimensions[0] = x;
1604 dimensions[1] = y;
1605 dimensions[2] = w;
1606 dimensions[3] = h;
1607
1608 /* get the property off the window and use it for the dimensions
1609 we are already maxed on */
1610 if (PROP_GET32A(self->window, openbox_premax, cardinal,
1611 readdim, 4)) {
1612 if (self->max_horz) {
1613 dimensions[0] = readdim[0];
1614 dimensions[2] = readdim[2];
1615 }
1616 if (self->max_vert) {
1617 dimensions[1] = readdim[1];
1618 dimensions[3] = readdim[3];
1619 }
1620 g_free(readdim);
1621 }
1622
1623 PROP_SET32A(self->window, openbox_premax, cardinal,
1624 dimensions, 4);
1625 }
1626 } else {
1627 long *dimensions;
1628
1629 if (PROP_GET32A(self->window, openbox_premax, cardinal,
1630 dimensions, 4)) {
1631 if (dir == 0 || dir == 1) { /* horz */
1632 x = dimensions[0];
1633 w = dimensions[2];
1634 }
1635 if (dir == 0 || dir == 2) { /* vert */
1636 y = dimensions[1];
1637 h = dimensions[3];
1638 }
1639 g_free(dimensions);
1640 } else {
1641 /* pick some fallbacks... */
1642 if (dir == 0 || dir == 1) { /* horz */
1643 x = screen_area(self->desktop)->x +
1644 screen_area(self->desktop)->width / 4;
1645 w = screen_area(self->desktop)->width / 2;
1646 }
1647 if (dir == 0 || dir == 2) { /* vert */
1648 y = screen_area(self->desktop)->y +
1649 screen_area(self->desktop)->height / 4;
1650 h = screen_area(self->desktop)->height / 2;
1651 }
1652 }
1653 }
1654
1655 if (dir == 0 || dir == 1) /* horz */
1656 self->max_horz = max;
1657 if (dir == 0 || dir == 2) /* vert */
1658 self->max_vert = max;
1659
1660 if (!self->max_horz && !self->max_vert)
1661 PROP_ERASE(self->window, openbox_premax);
1662
1663 client_change_state(self); /* change the state hints on the client */
1664
1665 /* figure out where the client should be going */
1666 frame_frame_gravity(self->frame, &x, &y);
1667 client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1668 }
1669
1670 void client_shade(Client *self, gboolean shade)
1671 {
1672 if ((!(self->functions & Func_Shade) && shade) || /* can't shade */
1673 self->shaded == shade) return; /* already done */
1674
1675 /* when we're iconic, don't change the wmstate */
1676 if (!self->iconic)
1677 self->wmstate = shade ? IconicState : NormalState;
1678 self->shaded = shade;
1679 client_change_state(self);
1680 /* resize the frame to just the titlebar */
1681 engine_frame_adjust_area(self->frame, FALSE, FALSE);
1682 }
1683
1684 void client_close(Client *self)
1685 {
1686 XEvent ce;
1687
1688 if (!(self->functions & Func_Close)) return;
1689
1690 /*
1691 XXX: itd be cool to do timeouts and shit here for killing the client's
1692 process off
1693 like... if the window is around after 5 seconds, then the close button
1694 turns a nice red, and if this function is called again, the client is
1695 explicitly killed.
1696 */
1697
1698 ce.xclient.type = ClientMessage;
1699 ce.xclient.message_type = prop_atoms.wm_protocols;
1700 ce.xclient.display = ob_display;
1701 ce.xclient.window = self->window;
1702 ce.xclient.format = 32;
1703 ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1704 ce.xclient.data.l[1] = event_lasttime;
1705 ce.xclient.data.l[2] = 0l;
1706 ce.xclient.data.l[3] = 0l;
1707 ce.xclient.data.l[4] = 0l;
1708 XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1709 }
1710
1711 void client_kill(Client *self)
1712 {
1713 XKillClient(ob_display, self->window);
1714 }
1715
1716 void client_set_desktop(Client *self, guint target, gboolean donthide)
1717 {
1718 guint old, i;
1719
1720 if (target == self->desktop) return;
1721
1722 g_message("Setting desktop %u", target);
1723
1724 g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1725
1726 old = self->desktop;
1727 self->desktop = target;
1728 PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1729 /* the frame can display the current desktop state */
1730 engine_frame_adjust_state(self->frame);
1731 /* 'move' the window to the new desktop */
1732 if (!donthide)
1733 client_showhide(self);
1734 /* raise if it was not already on the desktop */
1735 if (old != DESKTOP_ALL)
1736 stacking_raise(self);
1737 screen_update_struts();
1738
1739 /* update the focus lists */
1740 if (old == DESKTOP_ALL) {
1741 for (i = 0; i < screen_num_desktops; ++i)
1742 focus_order[i] = g_list_remove(focus_order[i], self);
1743 } else
1744 focus_order[old] = g_list_remove(focus_order[old], self);
1745 if (target == DESKTOP_ALL) {
1746 for (i = 0; i < screen_num_desktops; ++i) {
1747 if (focus_new)
1748 focus_order[i] = g_list_prepend(focus_order[i], self);
1749 else
1750 focus_order[i] = g_list_append(focus_order[i], self);
1751 }
1752 } else {
1753 if (focus_new)
1754 focus_order[target] = g_list_prepend(focus_order[target], self);
1755 else
1756 focus_order[target] = g_list_append(focus_order[target], self);
1757 }
1758
1759 dispatch_client(Event_Client_Desktop, self, target, old);
1760 }
1761
1762 static Client *search_modal_tree(Client *node, Client *skip)
1763 {
1764 GSList *it;
1765 Client *ret;
1766
1767 for (it = node->transients; it != NULL; it = it->next) {
1768 Client *c = it->data;
1769 if (c == skip) continue; /* circular? */
1770 if ((ret = search_modal_tree(c, skip))) return ret;
1771 if (c->modal) return c;
1772 }
1773 return NULL;
1774 }
1775
1776 Client *client_find_modal_child(Client *self)
1777 {
1778 return search_modal_tree(self, self);
1779 }
1780
1781 gboolean client_validate(Client *self)
1782 {
1783 XEvent e;
1784
1785 XSync(ob_display, FALSE); /* get all events on the server */
1786
1787 if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1788 XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1789 XPutBackEvent(ob_display, &e);
1790 return FALSE;
1791 }
1792
1793 return TRUE;
1794 }
1795
1796 void client_set_wm_state(Client *self, long state)
1797 {
1798 if (state == self->wmstate) return; /* no change */
1799
1800 switch (state) {
1801 case IconicState:
1802 client_iconify(self, TRUE, TRUE);
1803 break;
1804 case NormalState:
1805 client_iconify(self, FALSE, TRUE);
1806 break;
1807 }
1808 }
1809
1810 void client_set_state(Client *self, Atom action, long data1, long data2)
1811 {
1812 gboolean shaded = self->shaded;
1813 gboolean fullscreen = self->fullscreen;
1814 gboolean max_horz = self->max_horz;
1815 gboolean max_vert = self->max_vert;
1816 int i;
1817
1818 if (!(action == prop_atoms.net_wm_state_add ||
1819 action == prop_atoms.net_wm_state_remove ||
1820 action == prop_atoms.net_wm_state_toggle))
1821 /* an invalid action was passed to the client message, ignore it */
1822 return;
1823
1824 for (i = 0; i < 2; ++i) {
1825 Atom state = i == 0 ? data1 : data2;
1826
1827 if (!state) continue;
1828
1829 /* if toggling, then pick whether we're adding or removing */
1830 if (action == prop_atoms.net_wm_state_toggle) {
1831 if (state == prop_atoms.net_wm_state_modal)
1832 action = self->modal ? prop_atoms.net_wm_state_remove :
1833 prop_atoms.net_wm_state_add;
1834 else if (state == prop_atoms.net_wm_state_maximized_vert)
1835 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1836 prop_atoms.net_wm_state_add;
1837 else if (state == prop_atoms.net_wm_state_maximized_horz)
1838 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1839 prop_atoms.net_wm_state_add;
1840 else if (state == prop_atoms.net_wm_state_shaded)
1841 action = self->shaded ? prop_atoms.net_wm_state_remove :
1842 prop_atoms.net_wm_state_add;
1843 else if (state == prop_atoms.net_wm_state_skip_taskbar)
1844 action = self->skip_taskbar ?
1845 prop_atoms.net_wm_state_remove :
1846 prop_atoms.net_wm_state_add;
1847 else if (state == prop_atoms.net_wm_state_skip_pager)
1848 action = self->skip_pager ?
1849 prop_atoms.net_wm_state_remove :
1850 prop_atoms.net_wm_state_add;
1851 else if (state == prop_atoms.net_wm_state_fullscreen)
1852 action = self->fullscreen ?
1853 prop_atoms.net_wm_state_remove :
1854 prop_atoms.net_wm_state_add;
1855 else if (state == prop_atoms.net_wm_state_above)
1856 action = self->above ? prop_atoms.net_wm_state_remove :
1857 prop_atoms.net_wm_state_add;
1858 else if (state == prop_atoms.net_wm_state_below)
1859 action = self->below ? prop_atoms.net_wm_state_remove :
1860 prop_atoms.net_wm_state_add;
1861 }
1862
1863 if (action == prop_atoms.net_wm_state_add) {
1864 if (state == prop_atoms.net_wm_state_modal) {
1865 /* XXX raise here or something? */
1866 self->modal = TRUE;
1867 } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1868 max_vert = TRUE;
1869 } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1870 max_horz = TRUE;
1871 } else if (state == prop_atoms.net_wm_state_shaded) {
1872 shaded = TRUE;
1873 } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1874 self->skip_taskbar = TRUE;
1875 } else if (state == prop_atoms.net_wm_state_skip_pager) {
1876 self->skip_pager = TRUE;
1877 } else if (state == prop_atoms.net_wm_state_fullscreen) {
1878 fullscreen = TRUE;
1879 } else if (state == prop_atoms.net_wm_state_above) {
1880 self->above = TRUE;
1881 } else if (state == prop_atoms.net_wm_state_below) {
1882 self->below = TRUE;
1883 }
1884
1885 } else { /* action == prop_atoms.net_wm_state_remove */
1886 if (state == prop_atoms.net_wm_state_modal) {
1887 self->modal = FALSE;
1888 } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1889 max_vert = FALSE;
1890 } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1891 max_horz = FALSE;
1892 } else if (state == prop_atoms.net_wm_state_shaded) {
1893 shaded = FALSE;
1894 } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1895 self->skip_taskbar = FALSE;
1896 } else if (state == prop_atoms.net_wm_state_skip_pager) {
1897 self->skip_pager = FALSE;
1898 } else if (state == prop_atoms.net_wm_state_fullscreen) {
1899 fullscreen = FALSE;
1900 } else if (state == prop_atoms.net_wm_state_above) {
1901 self->above = FALSE;
1902 } else if (state == prop_atoms.net_wm_state_below) {
1903 self->below = FALSE;
1904 }
1905 }
1906 }
1907 if (max_horz != self->max_horz || max_vert != self->max_vert) {
1908 if (max_horz != self->max_horz && max_vert != self->max_vert) {
1909 /* toggling both */
1910 if (max_horz == max_vert) { /* both going the same way */
1911 client_maximize(self, max_horz, 0, TRUE);
1912 } else {
1913 client_maximize(self, max_horz, 1, TRUE);
1914 client_maximize(self, max_vert, 2, TRUE);
1915 }
1916 } else {
1917 /* toggling one */
1918 if (max_horz != self->max_horz)
1919 client_maximize(self, max_horz, 1, TRUE);
1920 else
1921 client_maximize(self, max_vert, 2, TRUE);
1922 }
1923 }
1924 /* change fullscreen state before shading, as it will affect if the window
1925 can shade or not */
1926 if (fullscreen != self->fullscreen)
1927 client_fullscreen(self, fullscreen, TRUE);
1928 if (shaded != self->shaded)
1929 client_shade(self, shaded);
1930 client_calc_layer(self);
1931 client_change_state(self); /* change the hint to relect these changes */
1932 }
1933
1934 Client *client_focus_target(Client *self)
1935 {
1936 Client *child;
1937
1938 /* if we have a modal child, then focus it, not us */
1939 child = client_find_modal_child(self);
1940 if (child) return child;
1941 return self;
1942 }
1943
1944 gboolean client_focusable(Client *self)
1945 {
1946 /* won't try focus if the client doesn't want it, or if the window isn't
1947 visible on the screen */
1948 return self->frame->visible &&
1949 (self->can_focus || self->focus_notify);
1950 }
1951
1952 gboolean client_focus(Client *self)
1953 {
1954 XEvent ev;
1955
1956 /* choose the correct target */
1957 self = client_focus_target(self);
1958
1959 if (!client_focusable(self))
1960 return FALSE;
1961
1962 /* do a check to see if the window has already been unmapped or destroyed
1963 do this intelligently while watching out for unmaps we've generated
1964 (ignore_unmaps > 0) */
1965 if (XCheckTypedWindowEvent(ob_display, self->window,
1966 DestroyNotify, &ev)) {
1967 XPutBackEvent(ob_display, &ev);
1968 return FALSE;
1969 }
1970 while (XCheckTypedWindowEvent(ob_display, self->window,
1971 UnmapNotify, &ev)) {
1972 if (self->ignore_unmaps) {
1973 self->ignore_unmaps--;
1974 } else {
1975 XPutBackEvent(ob_display, &ev);
1976 return FALSE;
1977 }
1978 }
1979
1980 if (self->can_focus)
1981 /* RevertToPointerRoot causes much more headache than TevertToNone, so
1982 I choose to use it always, hopefully to find errors quicker, if any
1983 are left. (I hate X. I hate focus events.) */
1984 XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
1985 event_lasttime);
1986
1987 if (self->focus_notify) {
1988 XEvent ce;
1989 ce.xclient.type = ClientMessage;
1990 ce.xclient.message_type = prop_atoms.wm_protocols;
1991 ce.xclient.display = ob_display;
1992 ce.xclient.window = self->window;
1993 ce.xclient.format = 32;
1994 ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
1995 ce.xclient.data.l[1] = event_lasttime;
1996 ce.xclient.data.l[2] = 0l;
1997 ce.xclient.data.l[3] = 0l;
1998 ce.xclient.data.l[4] = 0l;
1999 XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2000 }
2001
2002 g_message("focusing %lx", self->window);
2003
2004 /* Cause the FocusIn to come back to us. Important for desktop switches,
2005 since otherwise we'll have no FocusIn on the queue and send it off to
2006 the focus_backup. */
2007 XSync(ob_display, FALSE);
2008 return TRUE;
2009 }
2010
2011 void client_unfocus(Client *self)
2012 {
2013 g_assert(focus_client == self);
2014 g_message("client_unfocus");
2015 focus_fallback(FALSE);
2016 }
2017
2018 gboolean client_focused(Client *self)
2019 {
2020 return self == focus_client;
2021 }
2022
2023 Icon *client_icon(Client *self, int w, int h)
2024 {
2025 int i;
2026 /* si is the smallest image >= req */
2027 /* li is the largest image < req */
2028 unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2029
2030 if (!self->nicons) return NULL;
2031
2032 for (i = 0; i < self->nicons; ++i) {
2033 size = self->icons[i].width * self->icons[i].height;
2034 if (size < smallest && size >= (unsigned)(w * h)) {
2035 smallest = size;
2036 si = i;
2037 }
2038 if (size > largest && size <= (unsigned)(w * h)) {
2039 largest = size;
2040 li = i;
2041 }
2042 }
2043 if (largest == 0) /* didnt find one smaller than the requested size */
2044 return &self->icons[si];
2045 return &self->icons[li];
2046 }
my patches for the openbox window manager
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