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[chaz/openbox] / openbox / screen.c
1 #include "debug.h"
2 #include "openbox.h"
3 #include "mainloop.h"
4 #include "dock.h"
5 #include "xerror.h"
6 #include "prop.h"
7 #include "startup.h"
8 #include "grab.h"
9 #include "config.h"
10 #include "screen.h"
11 #include "client.h"
12 #include "frame.h"
13 #include "focus.h"
14 #include "popup.h"
15 #include "extensions.h"
16 #include "render/render.h"
17
18 #ifdef USE_LIBSN
19 # define SN_API_NOT_YET_FROZEN
20 # include <libsn/sn.h>
21 #endif
22
23 #include <X11/Xlib.h>
24 #ifdef HAVE_UNISTD_H
25 # include <sys/types.h>
26 # include <unistd.h>
27 #endif
28 #include <assert.h>
29
30 /*! The event mask to grab on the root window */
31 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
32 EnterWindowMask | LeaveWindowMask | \
33 SubstructureNotifyMask | SubstructureRedirectMask | \
34 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
35
36 guint screen_num_desktops;
37 guint screen_num_monitors;
38 guint screen_desktop;
39 guint screen_last_desktop;
40 Size screen_physical_size;
41 gboolean screen_showing_desktop;
42 DesktopLayout screen_desktop_layout;
43 char **screen_desktop_names;
44 Window screen_support_win;
45
46 static Rect **area; /* array of desktop holding array of xinerama areas */
47 static Rect *monitor_area;
48
49 static Popup *desktop_cycle_popup;
50
51 #ifdef USE_LIBSN
52 static SnMonitorContext *sn_context;
53 static int sn_busy_cnt;
54
55 static void sn_event_func(SnMonitorEvent *event, void *data);
56 #endif
57
58 static void set_root_cursor();
59
60 static gboolean replace_wm()
61 {
62 char *wm_sn;
63 Atom wm_sn_atom;
64 Window current_wm_sn_owner;
65 Time timestamp;
66
67 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
68 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
69 g_free(wm_sn);
70
71 current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
72 if (current_wm_sn_owner) {
73 if (!ob_replace_wm) {
74 g_warning("A window manager is already running on screen %d",
75 ob_screen);
76 return FALSE;
77 }
78 xerror_set_ignore(TRUE);
79 xerror_occured = FALSE;
80
81 /* We want to find out when the current selection owner dies */
82 XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
83 XSync(ob_display, FALSE);
84
85 xerror_set_ignore(FALSE);
86 if (xerror_occured)
87 current_wm_sn_owner = None;
88 }
89
90 {
91 /* Generate a timestamp */
92 XEvent event;
93
94 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
95
96 XChangeProperty(ob_display, screen_support_win,
97 prop_atoms.wm_class, prop_atoms.string,
98 8, PropModeAppend, NULL, 0);
99 XWindowEvent(ob_display, screen_support_win,
100 PropertyChangeMask, &event);
101
102 XSelectInput(ob_display, screen_support_win, NoEventMask);
103
104 timestamp = event.xproperty.time;
105 }
106
107 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
108 timestamp);
109
110 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
111 g_warning("Could not acquire window manager selection on screen %d",
112 ob_screen);
113 return FALSE;
114 }
115
116 /* Wait for old window manager to go away */
117 if (current_wm_sn_owner) {
118 XEvent event;
119 gulong wait = 0;
120 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
121
122 while (wait < timeout) {
123 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
124 StructureNotifyMask, &event) &&
125 event.type == DestroyNotify)
126 break;
127 g_usleep(G_USEC_PER_SEC / 10);
128 wait += G_USEC_PER_SEC / 10;
129 }
130
131 if (wait >= timeout) {
132 g_warning("Timeout expired while waiting for the current WM to die "
133 "on screen %d", ob_screen);
134 return FALSE;
135 }
136 }
137
138 /* Send client message indicating that we are now the WM */
139 prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
140 timestamp, wm_sn_atom, 0, 0, SubstructureNotifyMask);
141
142
143 return TRUE;
144 }
145
146 gboolean screen_annex()
147 {
148 XSetWindowAttributes attrib;
149 pid_t pid;
150 gint i, num_support;
151 guint32 *supported;
152
153 /* create the netwm support window */
154 attrib.override_redirect = TRUE;
155 screen_support_win = XCreateWindow(ob_display,
156 RootWindow(ob_display, ob_screen),
157 -100, -100, 1, 1, 0,
158 CopyFromParent, InputOutput,
159 CopyFromParent,
160 CWOverrideRedirect, &attrib);
161 XMapRaised(ob_display, screen_support_win);
162
163 if (!replace_wm()) {
164 XDestroyWindow(ob_display, screen_support_win);
165 return FALSE;
166 }
167
168 xerror_set_ignore(TRUE);
169 xerror_occured = FALSE;
170 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
171 ROOT_EVENTMASK);
172 xerror_set_ignore(FALSE);
173 if (xerror_occured) {
174 g_warning("A window manager is already running on screen %d",
175 ob_screen);
176
177 XDestroyWindow(ob_display, screen_support_win);
178 return FALSE;
179 }
180
181
182 set_root_cursor();
183
184 /* set the OPENBOX_PID hint */
185 pid = getpid();
186 PROP_SET32(RootWindow(ob_display, ob_screen),
187 openbox_pid, cardinal, pid);
188
189 /* set supporting window */
190 PROP_SET32(RootWindow(ob_display, ob_screen),
191 net_supporting_wm_check, window, screen_support_win);
192
193 /* set properties on the supporting window */
194 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
195 PROP_SET32(screen_support_win, net_supporting_wm_check,
196 window, screen_support_win);
197
198 /* set the _NET_SUPPORTED_ATOMS hint */
199 num_support = 50;
200 i = 0;
201 supported = g_new(guint32, num_support);
202 supported[i++] = prop_atoms.net_current_desktop;
203 supported[i++] = prop_atoms.net_number_of_desktops;
204 supported[i++] = prop_atoms.net_desktop_geometry;
205 supported[i++] = prop_atoms.net_desktop_viewport;
206 supported[i++] = prop_atoms.net_active_window;
207 supported[i++] = prop_atoms.net_workarea;
208 supported[i++] = prop_atoms.net_client_list;
209 supported[i++] = prop_atoms.net_client_list_stacking;
210 supported[i++] = prop_atoms.net_desktop_names;
211 supported[i++] = prop_atoms.net_close_window;
212 supported[i++] = prop_atoms.net_desktop_layout;
213 supported[i++] = prop_atoms.net_showing_desktop;
214 supported[i++] = prop_atoms.net_wm_name;
215 supported[i++] = prop_atoms.net_wm_visible_name;
216 supported[i++] = prop_atoms.net_wm_icon_name;
217 supported[i++] = prop_atoms.net_wm_visible_icon_name;
218 supported[i++] = prop_atoms.net_wm_desktop;
219 supported[i++] = prop_atoms.net_wm_strut;
220 supported[i++] = prop_atoms.net_wm_window_type;
221 supported[i++] = prop_atoms.net_wm_window_type_desktop;
222 supported[i++] = prop_atoms.net_wm_window_type_dock;
223 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
224 supported[i++] = prop_atoms.net_wm_window_type_menu;
225 supported[i++] = prop_atoms.net_wm_window_type_utility;
226 supported[i++] = prop_atoms.net_wm_window_type_splash;
227 supported[i++] = prop_atoms.net_wm_window_type_dialog;
228 supported[i++] = prop_atoms.net_wm_window_type_normal;
229 supported[i++] = prop_atoms.net_wm_allowed_actions;
230 supported[i++] = prop_atoms.net_wm_action_move;
231 supported[i++] = prop_atoms.net_wm_action_resize;
232 supported[i++] = prop_atoms.net_wm_action_minimize;
233 supported[i++] = prop_atoms.net_wm_action_shade;
234 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
235 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
236 supported[i++] = prop_atoms.net_wm_action_fullscreen;
237 supported[i++] = prop_atoms.net_wm_action_change_desktop;
238 supported[i++] = prop_atoms.net_wm_action_close;
239 supported[i++] = prop_atoms.net_wm_state;
240 supported[i++] = prop_atoms.net_wm_state_modal;
241 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
242 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
243 supported[i++] = prop_atoms.net_wm_state_shaded;
244 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
245 supported[i++] = prop_atoms.net_wm_state_skip_pager;
246 supported[i++] = prop_atoms.net_wm_state_hidden;
247 supported[i++] = prop_atoms.net_wm_state_fullscreen;
248 supported[i++] = prop_atoms.net_wm_state_above;
249 supported[i++] = prop_atoms.net_wm_state_below;
250 supported[i++] = prop_atoms.net_moveresize_window;
251 supported[i++] = prop_atoms.net_wm_moveresize;
252 g_assert(i == num_support);
253 /*
254 supported[] = prop_atoms.net_wm_action_stick;
255 */
256
257 PROP_SETA32(RootWindow(ob_display, ob_screen),
258 net_supported, atom, supported, num_support);
259 g_free(supported);
260
261 return TRUE;
262 }
263
264 void screen_startup(gboolean reconfig)
265 {
266 GSList *it;
267 guint i;
268
269 desktop_cycle_popup = popup_new(FALSE);
270
271 if (!reconfig)
272 /* get the initial size */
273 screen_resize();
274
275 /* set the names */
276 screen_desktop_names = g_new(char*,
277 g_slist_length(config_desktops_names) + 1);
278 for (i = 0, it = config_desktops_names; it; ++i, it = it->next)
279 screen_desktop_names[i] = it->data; /* dont strdup */
280 screen_desktop_names[i] = NULL;
281 PROP_SETSS(RootWindow(ob_display, ob_screen),
282 net_desktop_names, screen_desktop_names);
283 g_free(screen_desktop_names); /* dont free the individual strings */
284 screen_desktop_names = NULL;
285
286 if (!reconfig)
287 screen_num_desktops = 0;
288 screen_set_num_desktops(config_desktops_num);
289 if (!reconfig) {
290 if (startup_desktop >= screen_num_desktops)
291 startup_desktop = 0;
292 screen_desktop = startup_desktop;
293 screen_set_desktop(startup_desktop);
294
295 /* don't start in showing-desktop mode */
296 screen_showing_desktop = FALSE;
297 PROP_SET32(RootWindow(ob_display, ob_screen),
298 net_showing_desktop, cardinal, screen_showing_desktop);
299
300 screen_update_layout();
301
302 #ifdef USE_LIBSN
303 sn_context = sn_monitor_context_new(ob_sn_display, ob_screen,
304 sn_event_func, NULL, NULL);
305 sn_busy_cnt = 0;
306 #endif
307 }
308 }
309
310 void screen_shutdown(gboolean reconfig)
311 {
312 Rect **r;
313
314 popup_free(desktop_cycle_popup);
315
316 if (!reconfig) {
317 #ifdef USE_LIBSN
318 sn_monitor_context_unref(sn_context);
319 #endif
320
321 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
322 NoEventMask);
323
324 /* we're not running here no more! */
325 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
326 /* not without us */
327 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
328 /* don't keep this mode */
329 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
330
331 XDestroyWindow(ob_display, screen_support_win);
332 }
333
334 g_strfreev(screen_desktop_names);
335 screen_desktop_names = NULL;
336 for (r = area; *r; ++r)
337 g_free(*r);
338 g_free(area);
339 area = NULL;
340 }
341
342 void screen_resize()
343 {
344 static int oldw = 0, oldh = 0;
345 int w, h;
346 GList *it;
347 guint32 geometry[2];
348
349 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
350 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
351
352 if (w == oldw && h == oldh) return;
353
354 oldw = w; oldh = h;
355
356 /* Set the _NET_DESKTOP_GEOMETRY hint */
357 screen_physical_size.width = geometry[0] = w;
358 screen_physical_size.height = geometry[1] = h;
359 PROP_SETA32(RootWindow(ob_display, ob_screen),
360 net_desktop_geometry, cardinal, geometry, 2);
361
362 if (ob_state() == OB_STATE_STARTING)
363 return;
364
365 screen_update_areas();
366 dock_configure();
367
368 for (it = client_list; it; it = it->next)
369 client_move_onscreen(it->data, FALSE);
370 }
371
372 void screen_set_num_desktops(guint num)
373 {
374 guint i, old;
375 guint32 *viewport;
376 GList *it;
377
378 g_assert(num > 0);
379
380 old = screen_num_desktops;
381 screen_num_desktops = num;
382 PROP_SET32(RootWindow(ob_display, ob_screen),
383 net_number_of_desktops, cardinal, num);
384
385 /* set the viewport hint */
386 viewport = g_new0(guint32, num * 2);
387 PROP_SETA32(RootWindow(ob_display, ob_screen),
388 net_desktop_viewport, cardinal, viewport, num * 2);
389 g_free(viewport);
390
391 /* the number of rows/columns will differ */
392 screen_update_layout();
393
394 /* may be some unnamed desktops that we need to fill in with names */
395 screen_update_desktop_names();
396
397 /* update the focus lists */
398 /* free our lists for the desktops which have disappeared */
399 for (i = num; i < old; ++i)
400 g_list_free(focus_order[i]);
401 /* realloc the array */
402 focus_order = g_renew(GList*, focus_order, num);
403 /* set the new lists to be empty */
404 for (i = old; i < num; ++i)
405 focus_order[i] = NULL;
406
407 /* move windows on desktops that will no longer exist! */
408 for (it = client_list; it != NULL; it = it->next) {
409 ObClient *c = it->data;
410 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
411 client_set_desktop(c, num - 1, FALSE);
412 }
413
414 /* change our struts/area to match (after moving windows) */
415 screen_update_areas();
416
417 /* change our desktop if we're on one that no longer exists! */
418 if (screen_desktop >= screen_num_desktops)
419 screen_set_desktop(num - 1);
420 }
421
422 void screen_set_desktop(guint num)
423 {
424 GList *it;
425 guint old;
426 XEvent e;
427
428 g_assert(num < screen_num_desktops);
429
430 old = screen_desktop;
431 screen_desktop = num;
432 PROP_SET32(RootWindow(ob_display, ob_screen),
433 net_current_desktop, cardinal, num);
434
435 if (old == num) return;
436
437 screen_last_desktop = old;
438
439 ob_debug("Moving to desktop %d\n", num+1);
440
441 /* show windows before hiding the rest to lessen the enter/leave events */
442
443 /* show windows from top to bottom */
444 for (it = stacking_list; it != NULL; it = it->next) {
445 if (WINDOW_IS_CLIENT(it->data)) {
446 ObClient *c = it->data;
447 if (!c->frame->visible && client_should_show(c))
448 frame_show(c->frame);
449 }
450 }
451
452 /* hide windows from bottom to top */
453 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
454 if (WINDOW_IS_CLIENT(it->data)) {
455 ObClient *c = it->data;
456 if (c->frame->visible && !client_should_show(c))
457 frame_hide(c->frame);
458 }
459 }
460
461 /* focus the last focused window on the desktop, and ignore enter events
462 from the switch so it doesnt mess with the focus */
463 while (XCheckTypedEvent(ob_display, EnterNotify, &e));
464 #ifdef DEBUG_FOCUS
465 ob_debug("switch fallback\n");
466 #endif
467 focus_fallback(OB_FOCUS_FALLBACK_DESKTOP);
468 #ifdef DEBUG_FOCUS
469 ob_debug("/switch fallback\n");
470 #endif
471 }
472
473 static void get_row_col(guint d, guint *r, guint *c)
474 {
475 switch (screen_desktop_layout.orientation) {
476 case OB_ORIENTATION_HORZ:
477 switch (screen_desktop_layout.start_corner) {
478 case OB_CORNER_TOPLEFT:
479 *r = d / screen_desktop_layout.columns;
480 *c = d % screen_desktop_layout.columns;
481 break;
482 case OB_CORNER_BOTTOMLEFT:
483 *r = screen_desktop_layout.rows - 1 -
484 d / screen_desktop_layout.columns;
485 *c = d % screen_desktop_layout.columns;
486 break;
487 case OB_CORNER_TOPRIGHT:
488 *r = d / screen_desktop_layout.columns;
489 *c = screen_desktop_layout.columns - 1 -
490 d % screen_desktop_layout.columns;
491 break;
492 case OB_CORNER_BOTTOMRIGHT:
493 *r = screen_desktop_layout.rows - 1 -
494 d / screen_desktop_layout.columns;
495 *c = screen_desktop_layout.columns - 1 -
496 d % screen_desktop_layout.columns;
497 break;
498 }
499 break;
500 case OB_ORIENTATION_VERT:
501 switch (screen_desktop_layout.start_corner) {
502 case OB_CORNER_TOPLEFT:
503 *r = d % screen_desktop_layout.rows;
504 *c = d / screen_desktop_layout.rows;
505 break;
506 case OB_CORNER_BOTTOMLEFT:
507 *r = screen_desktop_layout.rows - 1 -
508 d % screen_desktop_layout.rows;
509 *c = d / screen_desktop_layout.rows;
510 break;
511 case OB_CORNER_TOPRIGHT:
512 *r = d % screen_desktop_layout.rows;
513 *c = screen_desktop_layout.columns - 1 -
514 d / screen_desktop_layout.rows;
515 break;
516 case OB_CORNER_BOTTOMRIGHT:
517 *r = screen_desktop_layout.rows - 1 -
518 d % screen_desktop_layout.rows;
519 *c = screen_desktop_layout.columns - 1 -
520 d / screen_desktop_layout.rows;
521 break;
522 }
523 break;
524 }
525 }
526
527 static guint translate_row_col(guint r, guint c)
528 {
529 switch (screen_desktop_layout.orientation) {
530 case OB_ORIENTATION_HORZ:
531 switch (screen_desktop_layout.start_corner) {
532 case OB_CORNER_TOPLEFT:
533 return r % screen_desktop_layout.rows *
534 screen_desktop_layout.columns +
535 c % screen_desktop_layout.columns;
536 case OB_CORNER_BOTTOMLEFT:
537 return (screen_desktop_layout.rows - 1 -
538 r % screen_desktop_layout.rows) *
539 screen_desktop_layout.columns +
540 c % screen_desktop_layout.columns;
541 case OB_CORNER_TOPRIGHT:
542 return r % screen_desktop_layout.rows *
543 screen_desktop_layout.columns +
544 (screen_desktop_layout.columns - 1 -
545 c % screen_desktop_layout.columns);
546 case OB_CORNER_BOTTOMRIGHT:
547 return (screen_desktop_layout.rows - 1 -
548 r % screen_desktop_layout.rows) *
549 screen_desktop_layout.columns +
550 (screen_desktop_layout.columns - 1 -
551 c % screen_desktop_layout.columns);
552 }
553 case OB_ORIENTATION_VERT:
554 switch (screen_desktop_layout.start_corner) {
555 case OB_CORNER_TOPLEFT:
556 return c % screen_desktop_layout.columns *
557 screen_desktop_layout.rows +
558 r % screen_desktop_layout.rows;
559 case OB_CORNER_BOTTOMLEFT:
560 return c % screen_desktop_layout.columns *
561 screen_desktop_layout.rows +
562 (screen_desktop_layout.rows - 1 -
563 r % screen_desktop_layout.rows);
564 case OB_CORNER_TOPRIGHT:
565 return (screen_desktop_layout.columns - 1 -
566 c % screen_desktop_layout.columns) *
567 screen_desktop_layout.rows +
568 r % screen_desktop_layout.rows;
569 case OB_CORNER_BOTTOMRIGHT:
570 return (screen_desktop_layout.columns - 1 -
571 c % screen_desktop_layout.columns) *
572 screen_desktop_layout.rows +
573 (screen_desktop_layout.rows - 1 -
574 r % screen_desktop_layout.rows);
575 }
576 }
577 g_assert_not_reached();
578 return 0;
579 }
580
581 static void popup_cycle(guint d, gboolean show)
582 {
583 Rect *a;
584
585 if (!show) {
586 popup_hide(desktop_cycle_popup);
587 } else {
588 a = screen_physical_area_monitor(0);
589 popup_position(desktop_cycle_popup, CenterGravity,
590 a->x + a->width / 2, a->y + a->height / 2);
591 /* XXX the size and the font extents need to be related on some level
592 */
593 popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
594
595 popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
596
597 popup_show(desktop_cycle_popup,
598 screen_desktop_names[d], NULL);
599 }
600 }
601
602 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
603 gboolean dialog, gboolean done, gboolean cancel)
604 {
605 static gboolean first = TRUE;
606 static gboolean lin;
607 static guint origd, d;
608 guint r, c;
609
610 if (cancel) {
611 d = origd;
612 goto done_cycle;
613 } else if (done && dialog) {
614 goto done_cycle;
615 }
616 if (first) {
617 first = FALSE;
618 lin = linear;
619 d = origd = screen_desktop;
620 }
621
622 get_row_col(d, &r, &c);
623
624 if (lin) {
625 switch (dir) {
626 case OB_DIRECTION_EAST:
627 if (d < screen_num_desktops - 1)
628 ++d;
629 else if (wrap)
630 d = 0;
631 break;
632 case OB_DIRECTION_WEST:
633 if (d > 0)
634 --d;
635 else if (wrap)
636 d = screen_num_desktops - 1;
637 break;
638 default:
639 assert(0);
640 return screen_desktop;
641 }
642 } else {
643 switch (dir) {
644 case OB_DIRECTION_EAST:
645 ++c;
646 if (c >= screen_desktop_layout.columns) {
647 if (!wrap) return d = screen_desktop;
648 c = 0;
649 }
650 d = translate_row_col(r, c);
651 if (d >= screen_num_desktops) {
652 if (!wrap) return d = screen_desktop;
653 ++c;
654 }
655 break;
656 case OB_DIRECTION_WEST:
657 --c;
658 if (c >= screen_desktop_layout.columns) {
659 if (!wrap) return d = screen_desktop;
660 c = screen_desktop_layout.columns - 1;
661 }
662 d = translate_row_col(r, c);
663 if (d >= screen_num_desktops) {
664 if (!wrap) return d = screen_desktop;
665 --c;
666 }
667 break;
668 case OB_DIRECTION_SOUTH:
669 ++r;
670 if (r >= screen_desktop_layout.rows) {
671 if (!wrap) return d = screen_desktop;
672 r = 0;
673 }
674 d = translate_row_col(r, c);
675 if (d >= screen_num_desktops) {
676 if (!wrap) return d = screen_desktop;
677 ++r;
678 }
679 break;
680 case OB_DIRECTION_NORTH:
681 --r;
682 if (r >= screen_desktop_layout.rows) {
683 if (!wrap) return d = screen_desktop;
684 r = screen_desktop_layout.rows - 1;
685 }
686 d = translate_row_col(r, c);
687 if (d >= screen_num_desktops) {
688 if (!wrap) return d = screen_desktop;
689 --r;
690 }
691 break;
692 default:
693 assert(0);
694 return d = screen_desktop;
695 }
696
697 d = translate_row_col(r, c);
698 }
699
700 if (dialog) {
701 popup_cycle(d, TRUE);
702 return d;
703 }
704
705 done_cycle:
706 first = TRUE;
707
708 popup_cycle(0, FALSE);
709
710 return d;
711 }
712
713 void screen_update_layout()
714 {
715 ObOrientation orient;
716 ObCorner corner;
717 guint rows;
718 guint cols;
719 guint32 *data;
720 guint num;
721 gboolean valid = FALSE;
722
723 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
724 net_desktop_layout, cardinal, &data, &num)) {
725 if (num == 3 || num == 4) {
726
727 if (data[0] == prop_atoms.net_wm_orientation_vert)
728 orient = OB_ORIENTATION_VERT;
729 else if (data[0] == prop_atoms.net_wm_orientation_horz)
730 orient = OB_ORIENTATION_HORZ;
731 else
732 goto screen_update_layout_bail;
733
734 if (num < 4)
735 corner = OB_CORNER_TOPLEFT;
736 else {
737 if (data[3] == prop_atoms.net_wm_topleft)
738 corner = OB_CORNER_TOPLEFT;
739 else if (data[3] == prop_atoms.net_wm_topright)
740 corner = OB_CORNER_TOPRIGHT;
741 else if (data[3] == prop_atoms.net_wm_bottomright)
742 corner = OB_CORNER_BOTTOMRIGHT;
743 else if (data[3] == prop_atoms.net_wm_bottomleft)
744 corner = OB_CORNER_BOTTOMLEFT;
745 else
746 goto screen_update_layout_bail;
747 }
748
749 /* fill in a zero rows/columns */
750 if ((data[1] == 0 && data[2] == 0) || /* both 0's is bad data.. */
751 (data[1] != 0 && data[2] != 0)) { /* no 0's is bad data.. */
752 goto screen_update_layout_bail;
753 } else {
754 if (data[1] == 0) {
755 data[1] = (screen_num_desktops +
756 screen_num_desktops % data[2]) / data[2];
757 } else if (data[2] == 0) {
758 data[2] = (screen_num_desktops +
759 screen_num_desktops % data[1]) / data[1];
760 }
761 cols = data[1];
762 rows = data[2];
763 }
764
765 /* bounds checking */
766 if (orient == OB_ORIENTATION_HORZ) {
767 rows = MIN(rows, screen_num_desktops);
768 cols = MIN(cols, ((screen_num_desktops +
769 (screen_num_desktops % rows)) / rows));
770 } else {
771 cols = MIN(cols, screen_num_desktops);
772 rows = MIN(rows, ((screen_num_desktops +
773 (screen_num_desktops % cols)) / cols));
774 }
775
776 valid = TRUE;
777 }
778 screen_update_layout_bail:
779 g_free(data);
780 }
781
782 if (!valid) {
783 /* defaults */
784 orient = OB_ORIENTATION_HORZ;
785 corner = OB_CORNER_TOPLEFT;
786 rows = 1;
787 cols = screen_num_desktops;
788 }
789
790 screen_desktop_layout.orientation = orient;
791 screen_desktop_layout.start_corner = corner;
792 screen_desktop_layout.rows = rows;
793 screen_desktop_layout.columns = cols;
794 }
795
796 void screen_update_desktop_names()
797 {
798 guint i;
799
800 /* empty the array */
801 g_strfreev(screen_desktop_names);
802 screen_desktop_names = NULL;
803
804 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
805 net_desktop_names, utf8, &screen_desktop_names))
806 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
807 else
808 i = 0;
809 if (i <= screen_num_desktops) {
810 screen_desktop_names = g_renew(char*, screen_desktop_names,
811 screen_num_desktops + 1);
812 screen_desktop_names[screen_num_desktops] = NULL;
813 for (; i < screen_num_desktops; ++i)
814 screen_desktop_names[i] = g_strdup("Unnamed Desktop");
815 }
816 }
817
818 void screen_show_desktop(gboolean show)
819 {
820 GList *it;
821
822 if (show == screen_showing_desktop) return; /* no change */
823
824 screen_showing_desktop = show;
825
826 if (show) {
827 /* bottom to top */
828 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
829 if (WINDOW_IS_CLIENT(it->data)) {
830 ObClient *client = it->data;
831 if (client->frame->visible && !client_should_show(client))
832 frame_hide(client->frame);
833 }
834 }
835 } else {
836 /* top to bottom */
837 for (it = stacking_list; it != NULL; it = it->next) {
838 if (WINDOW_IS_CLIENT(it->data)) {
839 ObClient *client = it->data;
840 if (!client->frame->visible && client_should_show(client))
841 frame_show(client->frame);
842 }
843 }
844 }
845
846 if (show) {
847 /* focus desktop */
848 for (it = focus_order[screen_desktop]; it; it = it->next)
849 if (((ObClient*)it->data)->type == OB_CLIENT_TYPE_DESKTOP &&
850 client_focus(it->data))
851 break;
852 } else {
853 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
854 }
855
856 show = !!show; /* make it boolean */
857 PROP_SET32(RootWindow(ob_display, ob_screen),
858 net_showing_desktop, cardinal, show);
859 }
860
861 void screen_install_colormap(ObClient *client, gboolean install)
862 {
863 XWindowAttributes wa;
864
865 if (client == NULL) {
866 if (install)
867 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
868 else
869 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
870 } else {
871 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
872 wa.colormap != None) {
873 xerror_set_ignore(TRUE);
874 if (install)
875 XInstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
876 else
877 XUninstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
878 xerror_set_ignore(FALSE);
879 }
880 }
881 }
882
883 void screen_update_areas()
884 {
885 guint i, x;
886 guint32 *dims;
887 GList *it;
888
889 g_free(monitor_area);
890 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
891
892 if (area) {
893 for (i = 0; area[i]; ++i)
894 g_free(area[i]);
895 g_free(area);
896 }
897
898 area = g_new(Rect*, screen_num_desktops + 2);
899 for (i = 0; i < screen_num_desktops + 1; ++i)
900 area[i] = g_new(Rect, screen_num_monitors + 1);
901 area[i] = NULL;
902
903 dims = g_new(guint32, 4 * screen_num_desktops);
904
905 for (i = 0; i < screen_num_desktops + 1; ++i) {
906 Strut s;
907 int l, r, t, b;
908
909 /* calc the xinerama areas */
910 for (x = 0; x < screen_num_monitors; ++x) {
911 area[i][x] = monitor_area[x];
912 if (x == 0) {
913 l = monitor_area[x].x;
914 t = monitor_area[x].y;
915 r = monitor_area[x].x + monitor_area[x].width - 1;
916 b = monitor_area[x].y + monitor_area[x].height - 1;
917 } else {
918 l = MIN(l, monitor_area[x].x);
919 t = MIN(t, monitor_area[x].y);
920 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
921 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
922 }
923 }
924 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
925
926 /* apply struts */
927 STRUT_SET(s, 0, 0, 0, 0);
928 for (it = client_list; it; it = it->next)
929 STRUT_ADD(s, ((ObClient*)it->data)->strut);
930 STRUT_ADD(s, dock_strut);
931
932 if (s.left) {
933 int o;
934
935 /* find the left-most xin heads, i do this in 2 loops :| */
936 o = area[i][0].x;
937 for (x = 1; x < screen_num_monitors; ++x)
938 o = MIN(o, area[i][x].x);
939
940 for (x = 0; x < screen_num_monitors; ++x) {
941 int edge = o + s.left - area[i][x].x;
942 if (edge > 0) {
943 area[i][x].x += edge;
944 area[i][x].width -= edge;
945 }
946 }
947
948 area[i][screen_num_monitors].x += s.left;
949 area[i][screen_num_monitors].width -= s.left;
950 }
951 if (s.top) {
952 int o;
953
954 /* find the left-most xin heads, i do this in 2 loops :| */
955 o = area[i][0].y;
956 for (x = 1; x < screen_num_monitors; ++x)
957 o = MIN(o, area[i][x].y);
958
959 for (x = 0; x < screen_num_monitors; ++x) {
960 int edge = o + s.top - area[i][x].y;
961 if (edge > 0) {
962 area[i][x].y += edge;
963 area[i][x].height -= edge;
964 }
965 }
966
967 area[i][screen_num_monitors].y += s.top;
968 area[i][screen_num_monitors].height -= s.top;
969 }
970 if (s.right) {
971 int o;
972
973 /* find the bottom-most xin heads, i do this in 2 loops :| */
974 o = area[i][0].x + area[i][0].width - 1;
975 for (x = 1; x < screen_num_monitors; ++x)
976 o = MAX(o, area[i][x].x + area[i][x].width - 1);
977
978 for (x = 0; x < screen_num_monitors; ++x) {
979 int edge = (area[i][x].x + area[i][x].width - 1) -
980 (o - s.right);
981 if (edge > 0)
982 area[i][x].width -= edge;
983 }
984
985 area[i][screen_num_monitors].width -= s.right;
986 }
987 if (s.bottom) {
988 int o;
989
990 /* find the bottom-most xin heads, i do this in 2 loops :| */
991 o = area[i][0].y + area[i][0].height - 1;
992 for (x = 1; x < screen_num_monitors; ++x)
993 o = MAX(o, area[i][x].y + area[i][x].height - 1);
994
995 for (x = 0; x < screen_num_monitors; ++x) {
996 int edge = (area[i][x].y + area[i][x].height - 1) -
997 (o - s.bottom);
998 if (edge > 0)
999 area[i][x].height -= edge;
1000 }
1001
1002 area[i][screen_num_monitors].height -= s.bottom;
1003 }
1004
1005 /* XXX when dealing with partial struts, if its in a single
1006 xinerama area, then only subtract it from that area's space
1007 for (x = 0; x < screen_num_monitors; ++x) {
1008 GList *it;
1009
1010
1011 do something smart with it for the 'all xinerama areas' one...
1012
1013 for (it = client_list; it; it = it->next) {
1014
1015 XXX if gunna test this shit, then gotta worry about when
1016 the client moves between xinerama heads..
1017
1018 if (RECT_CONTAINS_RECT(((ObClient*)it->data)->frame->area,
1019 area[i][x])) {
1020
1021 }
1022 }
1023 }
1024 */
1025
1026 /* XXX optimize when this is run? */
1027
1028 /* the area has changed, adjust all the maximized
1029 windows */
1030 for (it = client_list; it; it = it->next) {
1031 ObClient *c = it->data;
1032 if (i < screen_num_desktops) {
1033 if (c->desktop == i)
1034 client_reconfigure(c);
1035 } else if (c->desktop == DESKTOP_ALL)
1036 client_reconfigure(c);
1037 }
1038 if (i < screen_num_desktops) {
1039 /* don't set these for the 'all desktops' area */
1040 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1041 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1042 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1043 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1044 }
1045 }
1046 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1047 dims, 4 * screen_num_desktops);
1048
1049 g_free(dims);
1050 }
1051
1052 Rect *screen_area(guint desktop)
1053 {
1054 return screen_area_monitor(desktop, screen_num_monitors);
1055 }
1056
1057 Rect *screen_area_monitor(guint desktop, guint head)
1058 {
1059 if (head > screen_num_monitors)
1060 return NULL;
1061 if (desktop >= screen_num_desktops) {
1062 if (desktop == DESKTOP_ALL)
1063 return &area[screen_num_desktops][head];
1064 return NULL;
1065 }
1066 return &area[desktop][head];
1067 }
1068
1069 Rect *screen_physical_area()
1070 {
1071 return screen_physical_area_monitor(screen_num_monitors);
1072 }
1073
1074 Rect *screen_physical_area_monitor(guint head)
1075 {
1076 if (head > screen_num_monitors)
1077 return NULL;
1078 return &monitor_area[head];
1079 }
1080
1081 static void set_root_cursor()
1082 {
1083 #ifdef USE_LIBSN
1084 if (sn_busy_cnt)
1085 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1086 ob_cursor(OB_CURSOR_BUSY));
1087 else
1088 #endif
1089 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1090 ob_cursor(OB_CURSOR_POINTER));
1091 }
1092
1093 #ifdef USE_LIBSN
1094 static gboolean sn_timeout(gpointer data)
1095 {
1096 sn_busy_cnt = 0;
1097
1098 set_root_cursor();
1099
1100 return FALSE; /* don't repeat */
1101 }
1102
1103 static void sn_event_func(SnMonitorEvent *ev, void *data)
1104 {
1105 SnStartupSequence *seq;
1106 const char *seq_id, *bin_name;
1107 int cnt = sn_busy_cnt;
1108
1109 if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
1110 return;
1111
1112 seq_id = sn_startup_sequence_get_id(seq);
1113 bin_name = sn_startup_sequence_get_binary_name(seq);
1114
1115 if (!(seq_id && bin_name))
1116 return;
1117
1118 switch (sn_monitor_event_get_type(ev)) {
1119 case SN_MONITOR_EVENT_INITIATED:
1120 ++sn_busy_cnt;
1121 ob_main_loop_timeout_remove(ob_main_loop, sn_timeout);
1122 /* 30 second timeout for apps to start */
1123 ob_main_loop_timeout_add(ob_main_loop, 30 * G_USEC_PER_SEC,
1124 sn_timeout, NULL, NULL);
1125 break;
1126 case SN_MONITOR_EVENT_CHANGED:
1127 break;
1128 case SN_MONITOR_EVENT_COMPLETED:
1129 if (sn_busy_cnt) --sn_busy_cnt;
1130 ob_main_loop_timeout_remove(ob_main_loop, sn_timeout);
1131 break;
1132 case SN_MONITOR_EVENT_CANCELED:
1133 if (sn_busy_cnt) --sn_busy_cnt;
1134 ob_main_loop_timeout_remove(ob_main_loop, sn_timeout);
1135 };
1136
1137 if (sn_busy_cnt != cnt)
1138 set_root_cursor();
1139 }
1140 #endif
1141
1142 gboolean screen_pointer_pos(int *x, int *y)
1143 {
1144 Window w;
1145 int i;
1146 guint u;
1147
1148 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1149 &w, &w, x, y, &i, &i, &u);
1150 }
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