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[chaz/openbox] / openbox / screen.c
1 #include "debug.h"
2 #include "openbox.h"
3 #include "dock.h"
4 #include "xerror.h"
5 #include "prop.h"
6 #include "startup.h"
7 #include "grab.h"
8 #include "timer.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 Size screen_physical_size;
40 gboolean screen_showing_desktop;
41 DesktopLayout screen_desktop_layout;
42 char **screen_desktop_names;
43 Window screen_support_win;
44
45 static Rect **area; /* array of desktop holding array of xinerama areas */
46 static Rect *monitor_area;
47
48 static Popup *desktop_cycle_popup;
49
50 #ifdef USE_LIBSN
51 static SnMonitorContext *sn_context;
52 static int sn_busy_cnt;
53 static ObTimer *sn_timer;
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()
265 {
266 GSList *it;
267 guint i;
268
269 desktop_cycle_popup = popup_new(FALSE);
270
271 /* get the initial size */
272 screen_resize();
273
274 /* set the names */
275 screen_desktop_names = g_new(char*,
276 g_slist_length(config_desktops_names) + 1);
277 for (i = 0, it = config_desktops_names; it; ++i, it = it->next)
278 screen_desktop_names[i] = it->data; /* dont strdup */
279 screen_desktop_names[i] = NULL;
280 PROP_SETSS(RootWindow(ob_display, ob_screen),
281 net_desktop_names, screen_desktop_names);
282 g_free(screen_desktop_names); /* dont free the individual strings */
283 screen_desktop_names = NULL;
284
285 screen_num_desktops = 0;
286 screen_set_num_desktops(config_desktops_num);
287 if (startup_desktop >= screen_num_desktops)
288 startup_desktop = 0;
289 screen_desktop = startup_desktop;
290 screen_set_desktop(startup_desktop);
291
292 /* don't start in showing-desktop mode */
293 screen_showing_desktop = FALSE;
294 PROP_SET32(RootWindow(ob_display, ob_screen),
295 net_showing_desktop, cardinal, screen_showing_desktop);
296
297 screen_update_layout();
298
299 #ifdef USE_LIBSN
300 sn_context = sn_monitor_context_new(ob_sn_display, ob_screen,
301 sn_event_func, NULL, NULL);
302 sn_busy_cnt = 0;
303 #endif
304 }
305
306 void screen_shutdown()
307 {
308 Rect **r;
309
310 popup_free(desktop_cycle_popup);
311
312 XSelectInput(ob_display, RootWindow(ob_display, ob_screen), NoEventMask);
313
314 /* we're not running here no more! */
315 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
316 /* not without us */
317 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
318 /* don't keep this mode */
319 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
320
321 XDestroyWindow(ob_display, screen_support_win);
322
323 g_strfreev(screen_desktop_names);
324 for (r = area; *r; ++r)
325 g_free(*r);
326 g_free(area);
327 }
328
329 void screen_resize()
330 {
331 static int oldw = 0, oldh = 0;
332 int w, h;
333 GList *it;
334 guint32 geometry[2];
335
336 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
337 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
338
339 if (w == oldw && h == oldh) return;
340
341 oldw = w; oldh = h;
342
343 /* Set the _NET_DESKTOP_GEOMETRY hint */
344 screen_physical_size.width = geometry[0] = w;
345 screen_physical_size.height = geometry[1] = h;
346 PROP_SETA32(RootWindow(ob_display, ob_screen),
347 net_desktop_geometry, cardinal, geometry, 2);
348
349 if (ob_state() == OB_STATE_STARTING)
350 return;
351
352 screen_update_areas();
353 dock_configure();
354
355 for (it = client_list; it; it = it->next)
356 client_move_onscreen(it->data, FALSE);
357 }
358
359 void screen_set_num_desktops(guint num)
360 {
361 guint i, old;
362 guint32 *viewport;
363 GList *it;
364
365 g_assert(num > 0);
366
367 old = screen_num_desktops;
368 screen_num_desktops = num;
369 PROP_SET32(RootWindow(ob_display, ob_screen),
370 net_number_of_desktops, cardinal, num);
371
372 /* set the viewport hint */
373 viewport = g_new0(guint32, num * 2);
374 PROP_SETA32(RootWindow(ob_display, ob_screen),
375 net_desktop_viewport, cardinal, viewport, num * 2);
376 g_free(viewport);
377
378 /* the number of rows/columns will differ */
379 screen_update_layout();
380
381 /* may be some unnamed desktops that we need to fill in with names */
382 screen_update_desktop_names();
383
384 /* update the focus lists */
385 /* free our lists for the desktops which have disappeared */
386 for (i = num; i < old; ++i)
387 g_list_free(focus_order[i]);
388 /* realloc the array */
389 focus_order = g_renew(GList*, focus_order, num);
390 /* set the new lists to be empty */
391 for (i = old; i < num; ++i)
392 focus_order[i] = NULL;
393
394 /* move windows on desktops that will no longer exist! */
395 for (it = client_list; it != NULL; it = it->next) {
396 ObClient *c = it->data;
397 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
398 client_set_desktop(c, num - 1, FALSE);
399 }
400
401 /* change our struts/area to match (after moving windows) */
402 screen_update_areas();
403
404 /* change our desktop if we're on one that no longer exists! */
405 if (screen_desktop >= screen_num_desktops)
406 screen_set_desktop(num - 1);
407 }
408
409 void screen_set_desktop(guint num)
410 {
411 GList *it;
412 guint old;
413 XEvent e;
414
415 g_assert(num < screen_num_desktops);
416
417 old = screen_desktop;
418 screen_desktop = num;
419 PROP_SET32(RootWindow(ob_display, ob_screen),
420 net_current_desktop, cardinal, num);
421
422 if (old == num) return;
423
424 ob_debug("Moving to desktop %d\n", num+1);
425
426 /* show windows before hiding the rest to lessen the enter/leave events */
427
428 /* show windows from top to bottom */
429 for (it = stacking_list; it != NULL; it = it->next) {
430 if (WINDOW_IS_CLIENT(it->data)) {
431 ObClient *c = it->data;
432 if (!c->frame->visible && client_should_show(c))
433 frame_show(c->frame);
434 }
435 }
436
437 /* hide windows from bottom to top */
438 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
439 if (WINDOW_IS_CLIENT(it->data)) {
440 ObClient *c = it->data;
441 if (c->frame->visible && !client_should_show(c))
442 frame_hide(c->frame);
443 }
444 }
445
446 /* focus the last focused window on the desktop, and ignore enter events
447 from the switch so it doesnt mess with the focus */
448 while (XCheckTypedEvent(ob_display, EnterNotify, &e));
449 #ifdef DEBUG_FOCUS
450 ob_debug("switch fallback\n");
451 #endif
452 focus_fallback(OB_FOCUS_FALLBACK_DESKTOP);
453 #ifdef DEBUG_FOCUS
454 ob_debug("/switch fallback\n");
455 #endif
456 }
457
458 static void get_row_col(guint d, guint *r, guint *c)
459 {
460 switch (screen_desktop_layout.orientation) {
461 case OB_ORIENTATION_HORZ:
462 switch (screen_desktop_layout.start_corner) {
463 case OB_CORNER_TOPLEFT:
464 *r = d / screen_desktop_layout.columns;
465 *c = d % screen_desktop_layout.columns;
466 break;
467 case OB_CORNER_BOTTOMLEFT:
468 *r = screen_desktop_layout.rows - 1 -
469 d / screen_desktop_layout.columns;
470 *c = d % screen_desktop_layout.columns;
471 break;
472 case OB_CORNER_TOPRIGHT:
473 *r = d / screen_desktop_layout.columns;
474 *c = screen_desktop_layout.columns - 1 -
475 d % screen_desktop_layout.columns;
476 break;
477 case OB_CORNER_BOTTOMRIGHT:
478 *r = screen_desktop_layout.rows - 1 -
479 d / screen_desktop_layout.columns;
480 *c = screen_desktop_layout.columns - 1 -
481 d % screen_desktop_layout.columns;
482 break;
483 }
484 break;
485 case OB_ORIENTATION_VERT:
486 switch (screen_desktop_layout.start_corner) {
487 case OB_CORNER_TOPLEFT:
488 *r = d % screen_desktop_layout.rows;
489 *c = d / screen_desktop_layout.rows;
490 break;
491 case OB_CORNER_BOTTOMLEFT:
492 *r = screen_desktop_layout.rows - 1 -
493 d % screen_desktop_layout.rows;
494 *c = d / screen_desktop_layout.rows;
495 break;
496 case OB_CORNER_TOPRIGHT:
497 *r = d % screen_desktop_layout.rows;
498 *c = screen_desktop_layout.columns - 1 -
499 d / screen_desktop_layout.rows;
500 break;
501 case OB_CORNER_BOTTOMRIGHT:
502 *r = screen_desktop_layout.rows - 1 -
503 d % screen_desktop_layout.rows;
504 *c = screen_desktop_layout.columns - 1 -
505 d / screen_desktop_layout.rows;
506 break;
507 }
508 break;
509 }
510 }
511
512 static guint translate_row_col(guint r, guint c)
513 {
514 switch (screen_desktop_layout.orientation) {
515 case OB_ORIENTATION_HORZ:
516 switch (screen_desktop_layout.start_corner) {
517 case OB_CORNER_TOPLEFT:
518 return r % screen_desktop_layout.rows *
519 screen_desktop_layout.columns +
520 c % screen_desktop_layout.columns;
521 case OB_CORNER_BOTTOMLEFT:
522 return (screen_desktop_layout.rows - 1 -
523 r % screen_desktop_layout.rows) *
524 screen_desktop_layout.columns +
525 c % screen_desktop_layout.columns;
526 case OB_CORNER_TOPRIGHT:
527 return r % screen_desktop_layout.rows *
528 screen_desktop_layout.columns +
529 (screen_desktop_layout.columns - 1 -
530 c % screen_desktop_layout.columns);
531 case OB_CORNER_BOTTOMRIGHT:
532 return (screen_desktop_layout.rows - 1 -
533 r % screen_desktop_layout.rows) *
534 screen_desktop_layout.columns +
535 (screen_desktop_layout.columns - 1 -
536 c % screen_desktop_layout.columns);
537 }
538 case OB_ORIENTATION_VERT:
539 switch (screen_desktop_layout.start_corner) {
540 case OB_CORNER_TOPLEFT:
541 return c % screen_desktop_layout.columns *
542 screen_desktop_layout.rows +
543 r % screen_desktop_layout.rows;
544 case OB_CORNER_BOTTOMLEFT:
545 return c % screen_desktop_layout.columns *
546 screen_desktop_layout.rows +
547 (screen_desktop_layout.rows - 1 -
548 r % screen_desktop_layout.rows);
549 case OB_CORNER_TOPRIGHT:
550 return (screen_desktop_layout.columns - 1 -
551 c % screen_desktop_layout.columns) *
552 screen_desktop_layout.rows +
553 r % screen_desktop_layout.rows;
554 case OB_CORNER_BOTTOMRIGHT:
555 return (screen_desktop_layout.columns - 1 -
556 c % screen_desktop_layout.columns) *
557 screen_desktop_layout.rows +
558 (screen_desktop_layout.rows - 1 -
559 r % screen_desktop_layout.rows);
560 }
561 }
562 g_assert_not_reached();
563 return 0;
564 }
565
566 static void popup_cycle(guint d, gboolean show)
567 {
568 Rect *a;
569
570 if (!show) {
571 popup_hide(desktop_cycle_popup);
572 } else {
573 a = screen_physical_area_monitor(0);
574 popup_position(desktop_cycle_popup, CenterGravity,
575 a->x + a->width / 2, a->y + a->height / 2);
576 /* XXX the size and the font extents need to be related on some level
577 */
578 popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
579
580 popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
581
582 popup_show(desktop_cycle_popup,
583 screen_desktop_names[d], NULL);
584 }
585 }
586
587 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
588 gboolean done, gboolean cancel)
589 {
590 static gboolean first = TRUE;
591 static gboolean lin;
592 static guint origd, d;
593 guint r, c;
594
595 if (cancel) {
596 d = origd;
597 goto done_cycle;
598 } else if (done) {
599 screen_set_desktop(d);
600 goto done_cycle;
601 }
602 if (first) {
603 first = FALSE;
604 lin = linear;
605 d = origd = screen_desktop;
606 }
607
608 get_row_col(d, &r, &c);
609
610 if (lin) {
611 switch (dir) {
612 case OB_DIRECTION_EAST:
613 if (d < screen_num_desktops - 1)
614 ++d;
615 else if (wrap)
616 d = 0;
617 break;
618 case OB_DIRECTION_WEST:
619 if (d > 0)
620 --d;
621 else if (wrap)
622 d = screen_num_desktops - 1;
623 break;
624 default:
625 assert(0);
626 return screen_desktop;
627 }
628 } else {
629 switch (dir) {
630 case OB_DIRECTION_EAST:
631 ++c;
632 if (c >= screen_desktop_layout.columns) {
633 if (!wrap) return d = screen_desktop;
634 c = 0;
635 }
636 d = translate_row_col(r, c);
637 if (d >= screen_num_desktops) {
638 if (!wrap) return d = screen_desktop;
639 ++c;
640 }
641 break;
642 case OB_DIRECTION_WEST:
643 --c;
644 if (c >= screen_desktop_layout.columns) {
645 if (!wrap) return d = screen_desktop;
646 c = screen_desktop_layout.columns - 1;
647 }
648 d = translate_row_col(r, c);
649 if (d >= screen_num_desktops) {
650 if (!wrap) return d = screen_desktop;
651 --c;
652 }
653 break;
654 case OB_DIRECTION_SOUTH:
655 ++r;
656 if (r >= screen_desktop_layout.rows) {
657 if (!wrap) return d = screen_desktop;
658 r = 0;
659 }
660 d = translate_row_col(r, c);
661 if (d >= screen_num_desktops) {
662 if (!wrap) return d = screen_desktop;
663 ++r;
664 }
665 break;
666 case OB_DIRECTION_NORTH:
667 --r;
668 if (r >= screen_desktop_layout.rows) {
669 if (!wrap) return d = screen_desktop;
670 r = screen_desktop_layout.rows - 1;
671 }
672 d = translate_row_col(r, c);
673 if (d >= screen_num_desktops) {
674 if (!wrap) return d = screen_desktop;
675 --r;
676 }
677 break;
678 default:
679 assert(0);
680 return d = screen_desktop;
681 }
682
683 d = translate_row_col(r, c);
684 }
685
686 if (config_desktop_popup) {
687 popup_cycle(d, TRUE);
688 return d;
689 }
690
691 done_cycle:
692 first = TRUE;
693
694 popup_cycle(0, FALSE);
695
696 return d;
697 }
698
699 void screen_update_layout()
700 {
701 ObOrientation orient;
702 ObCorner corner;
703 guint rows;
704 guint cols;
705 guint32 *data;
706 guint num;
707 gboolean valid = FALSE;
708
709 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
710 net_desktop_layout, cardinal, &data, &num)) {
711 if (num == 3 || num == 4) {
712
713 if (data[0] == prop_atoms.net_wm_orientation_vert)
714 orient = OB_ORIENTATION_VERT;
715 else if (data[0] == prop_atoms.net_wm_orientation_horz)
716 orient = OB_ORIENTATION_HORZ;
717 else
718 goto screen_update_layout_bail;
719
720 if (num < 4)
721 corner = OB_CORNER_TOPLEFT;
722 else {
723 if (data[3] == prop_atoms.net_wm_topleft)
724 corner = OB_CORNER_TOPLEFT;
725 else if (data[3] == prop_atoms.net_wm_topright)
726 corner = OB_CORNER_TOPRIGHT;
727 else if (data[3] == prop_atoms.net_wm_bottomright)
728 corner = OB_CORNER_BOTTOMRIGHT;
729 else if (data[3] == prop_atoms.net_wm_bottomleft)
730 corner = OB_CORNER_BOTTOMLEFT;
731 else
732 goto screen_update_layout_bail;
733 }
734
735 /* fill in a zero rows/columns */
736 if ((data[1] == 0 && data[2] == 0) || /* both 0's is bad data.. */
737 (data[1] != 0 && data[2] != 0)) { /* no 0's is bad data.. */
738 goto screen_update_layout_bail;
739 } else {
740 if (data[1] == 0) {
741 data[1] = (screen_num_desktops +
742 screen_num_desktops % data[2]) / data[2];
743 } else if (data[2] == 0) {
744 data[2] = (screen_num_desktops +
745 screen_num_desktops % data[1]) / data[1];
746 }
747 cols = data[1];
748 rows = data[2];
749 }
750
751 /* bounds checking */
752 if (orient == OB_ORIENTATION_HORZ) {
753 rows = MIN(rows, screen_num_desktops);
754 cols = MIN(cols, ((screen_num_desktops +
755 (screen_num_desktops % rows)) / rows));
756 } else {
757 cols = MIN(cols, screen_num_desktops);
758 rows = MIN(rows, ((screen_num_desktops +
759 (screen_num_desktops % cols)) / cols));
760 }
761
762 valid = TRUE;
763 }
764 screen_update_layout_bail:
765 g_free(data);
766 }
767
768 if (!valid) {
769 /* defaults */
770 orient = OB_ORIENTATION_HORZ;
771 corner = OB_CORNER_TOPLEFT;
772 rows = 1;
773 cols = screen_num_desktops;
774 }
775
776 screen_desktop_layout.orientation = orient;
777 screen_desktop_layout.start_corner = corner;
778 screen_desktop_layout.rows = rows;
779 screen_desktop_layout.columns = cols;
780 }
781
782 void screen_update_desktop_names()
783 {
784 guint i;
785
786 /* empty the array */
787 g_strfreev(screen_desktop_names);
788 screen_desktop_names = NULL;
789
790 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
791 net_desktop_names, utf8, &screen_desktop_names))
792 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
793 else
794 i = 0;
795 if (i <= screen_num_desktops) {
796 screen_desktop_names = g_renew(char*, screen_desktop_names,
797 screen_num_desktops + 1);
798 screen_desktop_names[screen_num_desktops] = NULL;
799 for (; i < screen_num_desktops; ++i)
800 screen_desktop_names[i] = g_strdup("Unnamed Desktop");
801 }
802 }
803
804 void screen_show_desktop(gboolean show)
805 {
806 GList *it;
807
808 if (show == screen_showing_desktop) return; /* no change */
809
810 screen_showing_desktop = show;
811
812 if (show) {
813 /* bottom to top */
814 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
815 if (WINDOW_IS_CLIENT(it->data)) {
816 ObClient *client = it->data;
817 if (client->frame->visible && !client_should_show(client))
818 frame_hide(client->frame);
819 }
820 }
821 } else {
822 /* top to bottom */
823 for (it = stacking_list; it != NULL; it = it->next) {
824 if (WINDOW_IS_CLIENT(it->data)) {
825 ObClient *client = it->data;
826 if (!client->frame->visible && client_should_show(client))
827 frame_show(client->frame);
828 }
829 }
830 }
831
832 if (show) {
833 /* focus desktop */
834 for (it = focus_order[screen_desktop]; it; it = it->next)
835 if (((ObClient*)it->data)->type == OB_CLIENT_TYPE_DESKTOP &&
836 client_focus(it->data))
837 break;
838 } else {
839 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
840 }
841
842 show = !!show; /* make it boolean */
843 PROP_SET32(RootWindow(ob_display, ob_screen),
844 net_showing_desktop, cardinal, show);
845 }
846
847 void screen_install_colormap(ObClient *client, gboolean install)
848 {
849 XWindowAttributes wa;
850
851 if (client == NULL) {
852 if (install)
853 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
854 else
855 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
856 } else {
857 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
858 wa.colormap != None) {
859 xerror_set_ignore(TRUE);
860 if (install)
861 XInstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
862 else
863 XUninstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
864 xerror_set_ignore(FALSE);
865 }
866 }
867 }
868
869 void screen_update_areas()
870 {
871 guint i, x;
872 guint32 *dims;
873 GList *it;
874
875 g_free(monitor_area);
876 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
877
878 if (area) {
879 for (i = 0; area[i]; ++i)
880 g_free(area[i]);
881 g_free(area);
882 }
883
884 area = g_new(Rect*, screen_num_desktops + 2);
885 for (i = 0; i < screen_num_desktops + 1; ++i)
886 area[i] = g_new(Rect, screen_num_monitors + 1);
887 area[i] = NULL;
888
889 dims = g_new(guint32, 4 * screen_num_desktops);
890
891 for (i = 0; i < screen_num_desktops + 1; ++i) {
892 Strut s;
893 int l, r, t, b;
894
895 /* calc the xinerama areas */
896 for (x = 0; x < screen_num_monitors; ++x) {
897 area[i][x] = monitor_area[x];
898 if (x == 0) {
899 l = monitor_area[x].x;
900 t = monitor_area[x].y;
901 r = monitor_area[x].x + monitor_area[x].width - 1;
902 b = monitor_area[x].y + monitor_area[x].height - 1;
903 } else {
904 l = MIN(l, monitor_area[x].x);
905 t = MIN(t, monitor_area[x].y);
906 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
907 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
908 }
909 }
910 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
911
912 /* apply struts */
913 STRUT_SET(s, 0, 0, 0, 0);
914 for (it = client_list; it; it = it->next)
915 STRUT_ADD(s, ((ObClient*)it->data)->strut);
916 STRUT_ADD(s, dock_strut);
917
918 if (s.left) {
919 int o;
920
921 /* find the left-most xin heads, i do this in 2 loops :| */
922 o = area[i][0].x;
923 for (x = 1; x < screen_num_monitors; ++x)
924 o = MIN(o, area[i][x].x);
925
926 for (x = 0; x < screen_num_monitors; ++x) {
927 int edge = o + s.left - area[i][x].x;
928 if (edge > 0) {
929 area[i][x].x += edge;
930 area[i][x].width -= edge;
931 }
932 }
933
934 area[i][screen_num_monitors].x += s.left;
935 area[i][screen_num_monitors].width -= s.left;
936 }
937 if (s.top) {
938 int o;
939
940 /* find the left-most xin heads, i do this in 2 loops :| */
941 o = area[i][0].y;
942 for (x = 1; x < screen_num_monitors; ++x)
943 o = MIN(o, area[i][x].y);
944
945 for (x = 0; x < screen_num_monitors; ++x) {
946 int edge = o + s.top - area[i][x].y;
947 if (edge > 0) {
948 area[i][x].y += edge;
949 area[i][x].height -= edge;
950 }
951 }
952
953 area[i][screen_num_monitors].y += s.top;
954 area[i][screen_num_monitors].height -= s.top;
955 }
956 if (s.right) {
957 int o;
958
959 /* find the bottom-most xin heads, i do this in 2 loops :| */
960 o = area[i][0].x + area[i][0].width - 1;
961 for (x = 1; x < screen_num_monitors; ++x)
962 o = MAX(o, area[i][x].x + area[i][x].width - 1);
963
964 for (x = 0; x < screen_num_monitors; ++x) {
965 int edge = (area[i][x].x + area[i][x].width - 1) -
966 (o - s.right);
967 if (edge > 0)
968 area[i][x].width -= edge;
969 }
970
971 area[i][screen_num_monitors].width -= s.right;
972 }
973 if (s.bottom) {
974 int o;
975
976 /* find the bottom-most xin heads, i do this in 2 loops :| */
977 o = area[i][0].y + area[i][0].height - 1;
978 for (x = 1; x < screen_num_monitors; ++x)
979 o = MAX(o, area[i][x].y + area[i][x].height - 1);
980
981 for (x = 0; x < screen_num_monitors; ++x) {
982 int edge = (area[i][x].y + area[i][x].height - 1) -
983 (o - s.bottom);
984 if (edge > 0)
985 area[i][x].height -= edge;
986 }
987
988 area[i][screen_num_monitors].height -= s.bottom;
989 }
990
991 /* XXX when dealing with partial struts, if its in a single
992 xinerama area, then only subtract it from that area's space
993 for (x = 0; x < screen_num_monitors; ++x) {
994 GList *it;
995
996
997 do something smart with it for the 'all xinerama areas' one...
998
999 for (it = client_list; it; it = it->next) {
1000
1001 XXX if gunna test this shit, then gotta worry about when
1002 the client moves between xinerama heads..
1003
1004 if (RECT_CONTAINS_RECT(((ObClient*)it->data)->frame->area,
1005 area[i][x])) {
1006
1007 }
1008 }
1009 }
1010 */
1011
1012 /* XXX optimize when this is run? */
1013
1014 /* the area has changed, adjust all the maximized
1015 windows */
1016 for (it = client_list; it; it = it->next) {
1017 ObClient *c = it->data;
1018 if (i < screen_num_desktops) {
1019 if (c->desktop == i)
1020 client_reconfigure(c);
1021 } else if (c->desktop == DESKTOP_ALL)
1022 client_reconfigure(c);
1023 }
1024 if (i < screen_num_desktops) {
1025 /* don't set these for the 'all desktops' area */
1026 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1027 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1028 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1029 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1030 }
1031 }
1032 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1033 dims, 4 * screen_num_desktops);
1034
1035 g_free(dims);
1036 }
1037
1038 Rect *screen_area(guint desktop)
1039 {
1040 return screen_area_monitor(desktop, screen_num_monitors);
1041 }
1042
1043 Rect *screen_area_monitor(guint desktop, guint head)
1044 {
1045 if (head > screen_num_monitors)
1046 return NULL;
1047 if (desktop >= screen_num_desktops) {
1048 if (desktop == DESKTOP_ALL)
1049 return &area[screen_num_desktops][head];
1050 return NULL;
1051 }
1052 return &area[desktop][head];
1053 }
1054
1055 Rect *screen_physical_area()
1056 {
1057 return screen_physical_area_monitor(screen_num_monitors);
1058 }
1059
1060 Rect *screen_physical_area_monitor(guint head)
1061 {
1062 if (head > screen_num_monitors)
1063 return NULL;
1064 return &monitor_area[head];
1065 }
1066
1067 static void set_root_cursor()
1068 {
1069 #ifdef USE_LIBSN
1070 if (sn_busy_cnt)
1071 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1072 ob_cursor(OB_CURSOR_BUSY));
1073 else
1074 #endif
1075 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1076 ob_cursor(OB_CURSOR_POINTER));
1077 }
1078
1079 #ifdef USE_LIBSN
1080 static void sn_timeout(ObTimer *t, void *data)
1081 {
1082 timer_stop(sn_timer);
1083 sn_timer = NULL;
1084 sn_busy_cnt = 0;
1085
1086 set_root_cursor();
1087 }
1088
1089 static void sn_event_func(SnMonitorEvent *ev, void *data)
1090 {
1091 SnStartupSequence *seq;
1092 const char *seq_id, *bin_name;
1093 int cnt = sn_busy_cnt;
1094
1095 if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
1096 return;
1097
1098 seq_id = sn_startup_sequence_get_id(seq);
1099 bin_name = sn_startup_sequence_get_binary_name(seq);
1100
1101 if (!(seq_id && bin_name))
1102 return;
1103
1104 switch (sn_monitor_event_get_type(ev)) {
1105 case SN_MONITOR_EVENT_INITIATED:
1106 ++sn_busy_cnt;
1107 if (sn_timer)
1108 timer_stop(sn_timer);
1109 /* 30 second timeout for apps to start */
1110 sn_timer = timer_start(30 * 1000000, sn_timeout, NULL);
1111 break;
1112 case SN_MONITOR_EVENT_CHANGED:
1113 break;
1114 case SN_MONITOR_EVENT_COMPLETED:
1115 if (sn_busy_cnt) --sn_busy_cnt;
1116 if (sn_timer) {
1117 timer_stop(sn_timer);
1118 sn_timer = NULL;
1119 }
1120 break;
1121 case SN_MONITOR_EVENT_CANCELED:
1122 if (sn_busy_cnt) --sn_busy_cnt;
1123 if (sn_timer) {
1124 timer_stop(sn_timer);
1125 sn_timer = NULL;
1126 }
1127 };
1128
1129 if (sn_busy_cnt != cnt)
1130 set_root_cursor();
1131 }
1132 #endif
1133
1134 gboolean screen_pointer_pos(int *x, int *y)
1135 {
1136 Window w;
1137 int i;
1138 guint u;
1139
1140 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1141 &w, &w, x, y, &i, &i, &u);
1142 }
my patches for the openbox window manager
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