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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 "dispatch.h"
16 #include "extensions.h"
17 #include "render/render.h"
18
19 #ifdef USE_LIBSN
20 # define SN_API_NOT_YET_FROZEN
21 # include <libsn/sn.h>
22 #endif
23
24 #include <X11/Xlib.h>
25 #ifdef HAVE_UNISTD_H
26 # include <sys/types.h>
27 # include <unistd.h>
28 #endif
29 #include <assert.h>
30
31 /*! The event mask to grab on the root window */
32 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
33 EnterWindowMask | LeaveWindowMask | \
34 SubstructureNotifyMask | SubstructureRedirectMask | \
35 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
36
37 guint screen_num_desktops;
38 guint screen_num_monitors;
39 guint screen_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 static ObTimer *sn_timer;
55
56 static void sn_event_func(SnMonitorEvent *event, void *data);
57 #endif
58
59 static void set_root_cursor();
60
61 static gboolean replace_wm()
62 {
63 char *wm_sn;
64 Atom wm_sn_atom;
65 Window current_wm_sn_owner;
66 Time timestamp;
67
68 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
69 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
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 ob_debug("Managing screen %d\n", ob_screen);
183
184 set_root_cursor();
185
186 /* set the OPENBOX_PID hint */
187 pid = getpid();
188 PROP_SET32(RootWindow(ob_display, ob_screen),
189 openbox_pid, cardinal, pid);
190
191 /* set supporting window */
192 PROP_SET32(RootWindow(ob_display, ob_screen),
193 net_supporting_wm_check, window, screen_support_win);
194
195 /* set properties on the supporting window */
196 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
197 PROP_SET32(screen_support_win, net_supporting_wm_check,
198 window, screen_support_win);
199
200 /* set the _NET_SUPPORTED_ATOMS hint */
201 num_support = 50;
202 i = 0;
203 supported = g_new(guint32, num_support);
204 supported[i++] = prop_atoms.net_current_desktop;
205 supported[i++] = prop_atoms.net_number_of_desktops;
206 supported[i++] = prop_atoms.net_desktop_geometry;
207 supported[i++] = prop_atoms.net_desktop_viewport;
208 supported[i++] = prop_atoms.net_active_window;
209 supported[i++] = prop_atoms.net_workarea;
210 supported[i++] = prop_atoms.net_client_list;
211 supported[i++] = prop_atoms.net_client_list_stacking;
212 supported[i++] = prop_atoms.net_desktop_names;
213 supported[i++] = prop_atoms.net_close_window;
214 supported[i++] = prop_atoms.net_desktop_layout;
215 supported[i++] = prop_atoms.net_showing_desktop;
216 supported[i++] = prop_atoms.net_wm_name;
217 supported[i++] = prop_atoms.net_wm_visible_name;
218 supported[i++] = prop_atoms.net_wm_icon_name;
219 supported[i++] = prop_atoms.net_wm_visible_icon_name;
220 supported[i++] = prop_atoms.net_wm_desktop;
221 supported[i++] = prop_atoms.net_wm_strut;
222 supported[i++] = prop_atoms.net_wm_window_type;
223 supported[i++] = prop_atoms.net_wm_window_type_desktop;
224 supported[i++] = prop_atoms.net_wm_window_type_dock;
225 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
226 supported[i++] = prop_atoms.net_wm_window_type_menu;
227 supported[i++] = prop_atoms.net_wm_window_type_utility;
228 supported[i++] = prop_atoms.net_wm_window_type_splash;
229 supported[i++] = prop_atoms.net_wm_window_type_dialog;
230 supported[i++] = prop_atoms.net_wm_window_type_normal;
231 supported[i++] = prop_atoms.net_wm_allowed_actions;
232 supported[i++] = prop_atoms.net_wm_action_move;
233 supported[i++] = prop_atoms.net_wm_action_resize;
234 supported[i++] = prop_atoms.net_wm_action_minimize;
235 supported[i++] = prop_atoms.net_wm_action_shade;
236 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
237 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
238 supported[i++] = prop_atoms.net_wm_action_fullscreen;
239 supported[i++] = prop_atoms.net_wm_action_change_desktop;
240 supported[i++] = prop_atoms.net_wm_action_close;
241 supported[i++] = prop_atoms.net_wm_state;
242 supported[i++] = prop_atoms.net_wm_state_modal;
243 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
244 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
245 supported[i++] = prop_atoms.net_wm_state_shaded;
246 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
247 supported[i++] = prop_atoms.net_wm_state_skip_pager;
248 supported[i++] = prop_atoms.net_wm_state_hidden;
249 supported[i++] = prop_atoms.net_wm_state_fullscreen;
250 supported[i++] = prop_atoms.net_wm_state_above;
251 supported[i++] = prop_atoms.net_wm_state_below;
252 supported[i++] = prop_atoms.net_moveresize_window;
253 supported[i++] = prop_atoms.net_wm_moveresize;
254 g_assert(i == num_support);
255 /*
256 supported[] = prop_atoms.net_wm_action_stick;
257 */
258
259 PROP_SETA32(RootWindow(ob_display, ob_screen),
260 net_supported, atom, supported, num_support);
261 g_free(supported);
262
263 return TRUE;
264 }
265
266 void screen_startup()
267 {
268 GSList *it;
269 guint i;
270
271 desktop_cycle_popup = popup_new(FALSE);
272
273 /* get the initial size */
274 screen_resize();
275
276 /* set the names */
277 screen_desktop_names = g_new(char*,
278 g_slist_length(config_desktops_names) + 1);
279 for (i = 0, it = config_desktops_names; it; ++i, it = it->next)
280 screen_desktop_names[i] = it->data; /* dont strdup */
281 screen_desktop_names[i] = NULL;
282 PROP_SETSS(RootWindow(ob_display, ob_screen),
283 net_desktop_names, screen_desktop_names);
284 g_free(screen_desktop_names); /* dont free the individual strings */
285 screen_desktop_names = NULL;
286
287 screen_num_desktops = 0;
288 screen_set_num_desktops(config_desktops_num);
289 if (startup_desktop >= screen_num_desktops)
290 startup_desktop = 0;
291 screen_desktop = startup_desktop;
292 screen_set_desktop(startup_desktop);
293
294 /* don't start in showing-desktop mode */
295 screen_showing_desktop = FALSE;
296 PROP_SET32(RootWindow(ob_display, ob_screen),
297 net_showing_desktop, cardinal, screen_showing_desktop);
298
299 screen_update_layout();
300
301 #ifdef USE_LIBSN
302 sn_context = sn_monitor_context_new(ob_sn_display, ob_screen,
303 sn_event_func, NULL, NULL);
304 sn_busy_cnt = 0;
305 #endif
306 }
307
308 void screen_shutdown()
309 {
310 Rect **r;
311
312 popup_free(desktop_cycle_popup);
313
314 XSelectInput(ob_display, RootWindow(ob_display, ob_screen), NoEventMask);
315
316 /* we're not running here no more! */
317 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
318 /* not without us */
319 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
320 /* don't keep this mode */
321 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
322
323 XDestroyWindow(ob_display, screen_support_win);
324
325 g_strfreev(screen_desktop_names);
326 for (r = area; *r; ++r)
327 g_free(*r);
328 g_free(area);
329 }
330
331 void screen_resize()
332 {
333 static int oldw = 0, oldh = 0;
334 int w, h;
335 GList *it;
336 guint32 geometry[2];
337
338 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
339 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
340
341 if (w == oldw && h == oldh) return;
342
343 oldw = w; oldh = h;
344
345 /* Set the _NET_DESKTOP_GEOMETRY hint */
346 screen_physical_size.width = geometry[0] = w;
347 screen_physical_size.height = geometry[1] = h;
348 PROP_SETA32(RootWindow(ob_display, ob_screen),
349 net_desktop_geometry, cardinal, geometry, 2);
350
351 if (ob_state() == OB_STATE_STARTING)
352 return;
353
354 screen_update_areas();
355 dock_configure();
356
357 for (it = client_list; it; it = it->next)
358 client_move_onscreen(it->data, FALSE);
359 }
360
361 void screen_set_num_desktops(guint num)
362 {
363 guint i, old;
364 guint32 *viewport;
365 GList *it;
366
367 g_assert(num > 0);
368
369 old = screen_num_desktops;
370 screen_num_desktops = num;
371 PROP_SET32(RootWindow(ob_display, ob_screen),
372 net_number_of_desktops, cardinal, num);
373
374 /* set the viewport hint */
375 viewport = g_new0(guint32, num * 2);
376 PROP_SETA32(RootWindow(ob_display, ob_screen),
377 net_desktop_viewport, cardinal, viewport, num * 2);
378 g_free(viewport);
379
380 /* the number of rows/columns will differ */
381 screen_update_layout();
382
383 /* may be some unnamed desktops that we need to fill in with names */
384 screen_update_desktop_names();
385
386 /* update the focus lists */
387 /* free our lists for the desktops which have disappeared */
388 for (i = num; i < old; ++i)
389 g_list_free(focus_order[i]);
390 /* realloc the array */
391 focus_order = g_renew(GList*, focus_order, num);
392 /* set the new lists to be empty */
393 for (i = old; i < num; ++i)
394 focus_order[i] = NULL;
395
396 /* move windows on desktops that will no longer exist! */
397 for (it = client_list; it != NULL; it = it->next) {
398 ObClient *c = it->data;
399 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
400 client_set_desktop(c, num - 1, FALSE);
401 }
402
403 /* change our struts/area to match (after moving windows) */
404 screen_update_areas();
405
406 dispatch_ob(Event_Ob_NumDesktops, num, old);
407
408 /* change our desktop if we're on one that no longer exists! */
409 if (screen_desktop >= screen_num_desktops)
410 screen_set_desktop(num - 1);
411 }
412
413 void screen_set_desktop(guint num)
414 {
415 GList *it;
416 guint old;
417 XEvent e;
418
419 g_assert(num < screen_num_desktops);
420
421 old = screen_desktop;
422 screen_desktop = num;
423 PROP_SET32(RootWindow(ob_display, ob_screen),
424 net_current_desktop, cardinal, num);
425
426 if (old == num) return;
427
428 ob_debug("Moving to desktop %d\n", num+1);
429
430 /* show windows before hiding the rest to lessen the enter/leave events */
431
432 /* show windows from top to bottom */
433 for (it = stacking_list; it != NULL; it = it->next) {
434 if (WINDOW_IS_CLIENT(it->data)) {
435 ObClient *c = it->data;
436 if (!c->frame->visible && client_should_show(c))
437 frame_show(c->frame);
438 }
439 }
440
441 /* hide windows from bottom to top */
442 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
443 if (WINDOW_IS_CLIENT(it->data)) {
444 ObClient *c = it->data;
445 if (c->frame->visible && !client_should_show(c))
446 frame_hide(c->frame);
447 }
448 }
449
450 /* focus the last focused window on the desktop, and ignore enter events
451 from the switch so it doesnt mess with the focus */
452 while (XCheckTypedEvent(ob_display, EnterNotify, &e));
453 #ifdef DEBUG_FOCUS
454 ob_debug("switch fallback\n");
455 #endif
456 focus_fallback(OB_FOCUS_FALLBACK_DESKTOP);
457 #ifdef DEBUG_FOCUS
458 ob_debug("/switch fallback\n");
459 #endif
460
461 dispatch_ob(Event_Ob_Desktop, num, old);
462 }
463
464 static void get_row_col(guint d, guint *r, guint *c)
465 {
466 switch (screen_desktop_layout.orientation) {
467 case OB_ORIENTATION_HORZ:
468 switch (screen_desktop_layout.start_corner) {
469 case OB_CORNER_TOPLEFT:
470 *r = d / screen_desktop_layout.columns;
471 *c = d % screen_desktop_layout.columns;
472 break;
473 case OB_CORNER_BOTTOMLEFT:
474 *r = screen_desktop_layout.rows - 1 -
475 d / screen_desktop_layout.columns;
476 *c = d % screen_desktop_layout.columns;
477 break;
478 case OB_CORNER_TOPRIGHT:
479 *r = d / screen_desktop_layout.columns;
480 *c = screen_desktop_layout.columns - 1 -
481 d % screen_desktop_layout.columns;
482 break;
483 case OB_CORNER_BOTTOMRIGHT:
484 *r = screen_desktop_layout.rows - 1 -
485 d / screen_desktop_layout.columns;
486 *c = screen_desktop_layout.columns - 1 -
487 d % screen_desktop_layout.columns;
488 break;
489 }
490 break;
491 case OB_ORIENTATION_VERT:
492 switch (screen_desktop_layout.start_corner) {
493 case OB_CORNER_TOPLEFT:
494 *r = d % screen_desktop_layout.rows;
495 *c = d / screen_desktop_layout.rows;
496 break;
497 case OB_CORNER_BOTTOMLEFT:
498 *r = screen_desktop_layout.rows - 1 -
499 d % screen_desktop_layout.rows;
500 *c = d / screen_desktop_layout.rows;
501 break;
502 case OB_CORNER_TOPRIGHT:
503 *r = d % screen_desktop_layout.rows;
504 *c = screen_desktop_layout.columns - 1 -
505 d / screen_desktop_layout.rows;
506 break;
507 case OB_CORNER_BOTTOMRIGHT:
508 *r = screen_desktop_layout.rows - 1 -
509 d % screen_desktop_layout.rows;
510 *c = screen_desktop_layout.columns - 1 -
511 d / screen_desktop_layout.rows;
512 break;
513 }
514 break;
515 }
516 }
517
518 static guint translate_row_col(guint r, guint c)
519 {
520 switch (screen_desktop_layout.orientation) {
521 case OB_ORIENTATION_HORZ:
522 switch (screen_desktop_layout.start_corner) {
523 case OB_CORNER_TOPLEFT:
524 return r % screen_desktop_layout.rows *
525 screen_desktop_layout.columns +
526 c % screen_desktop_layout.columns;
527 case OB_CORNER_BOTTOMLEFT:
528 return (screen_desktop_layout.rows - 1 -
529 r % screen_desktop_layout.rows) *
530 screen_desktop_layout.columns +
531 c % screen_desktop_layout.columns;
532 case OB_CORNER_TOPRIGHT:
533 return r % screen_desktop_layout.rows *
534 screen_desktop_layout.columns +
535 (screen_desktop_layout.columns - 1 -
536 c % screen_desktop_layout.columns);
537 case OB_CORNER_BOTTOMRIGHT:
538 return (screen_desktop_layout.rows - 1 -
539 r % screen_desktop_layout.rows) *
540 screen_desktop_layout.columns +
541 (screen_desktop_layout.columns - 1 -
542 c % screen_desktop_layout.columns);
543 }
544 case OB_ORIENTATION_VERT:
545 switch (screen_desktop_layout.start_corner) {
546 case OB_CORNER_TOPLEFT:
547 return c % screen_desktop_layout.columns *
548 screen_desktop_layout.rows +
549 r % screen_desktop_layout.rows;
550 case OB_CORNER_BOTTOMLEFT:
551 return c % screen_desktop_layout.columns *
552 screen_desktop_layout.rows +
553 (screen_desktop_layout.rows - 1 -
554 r % screen_desktop_layout.rows);
555 case OB_CORNER_TOPRIGHT:
556 return (screen_desktop_layout.columns - 1 -
557 c % screen_desktop_layout.columns) *
558 screen_desktop_layout.rows +
559 r % screen_desktop_layout.rows;
560 case OB_CORNER_BOTTOMRIGHT:
561 return (screen_desktop_layout.columns - 1 -
562 c % screen_desktop_layout.columns) *
563 screen_desktop_layout.rows +
564 (screen_desktop_layout.rows - 1 -
565 r % screen_desktop_layout.rows);
566 }
567 }
568 g_assert_not_reached();
569 return 0;
570 }
571
572 static void popup_cycle(guint d, gboolean show)
573 {
574 Rect *a;
575
576 if (!show) {
577 popup_hide(desktop_cycle_popup);
578 } else {
579 a = screen_physical_area_monitor(0);
580 popup_position(desktop_cycle_popup, CenterGravity,
581 a->x + a->width / 2, a->y + a->height / 2);
582 /* XXX the size and the font extents need to be related on some level
583 */
584 popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
585
586 popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
587
588 popup_show(desktop_cycle_popup,
589 screen_desktop_names[d], NULL);
590 }
591 }
592
593 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
594 gboolean done, gboolean cancel)
595 {
596 static gboolean first = TRUE;
597 static gboolean lin;
598 static guint origd, d;
599 guint r, c;
600
601 if (cancel) {
602 d = origd;
603 goto done_cycle;
604 } else if (done) {
605 screen_set_desktop(d);
606 goto done_cycle;
607 }
608 if (first) {
609 first = FALSE;
610 lin = linear;
611 d = origd = screen_desktop;
612 }
613
614 get_row_col(d, &r, &c);
615
616 if (lin) {
617 switch (dir) {
618 case OB_DIRECTION_EAST:
619 if (d < screen_num_desktops - 1)
620 ++d;
621 else if (wrap)
622 d = 0;
623 break;
624 case OB_DIRECTION_WEST:
625 if (d > 0)
626 --d;
627 else if (wrap)
628 d = screen_num_desktops - 1;
629 break;
630 default:
631 assert(0);
632 return screen_desktop;
633 }
634 } else {
635 switch (dir) {
636 case OB_DIRECTION_EAST:
637 ++c;
638 if (c >= screen_desktop_layout.columns) {
639 if (!wrap) return d = screen_desktop;
640 c = 0;
641 }
642 d = translate_row_col(r, c);
643 if (d >= screen_num_desktops) {
644 if (!wrap) return d = screen_desktop;
645 ++c;
646 }
647 break;
648 case OB_DIRECTION_WEST:
649 --c;
650 if (c >= screen_desktop_layout.columns) {
651 if (!wrap) return d = screen_desktop;
652 c = screen_desktop_layout.columns - 1;
653 }
654 d = translate_row_col(r, c);
655 if (d >= screen_num_desktops) {
656 if (!wrap) return d = screen_desktop;
657 --c;
658 }
659 break;
660 case OB_DIRECTION_SOUTH:
661 ++r;
662 if (r >= screen_desktop_layout.rows) {
663 if (!wrap) return d = screen_desktop;
664 r = 0;
665 }
666 d = translate_row_col(r, c);
667 if (d >= screen_num_desktops) {
668 if (!wrap) return d = screen_desktop;
669 ++r;
670 }
671 break;
672 case OB_DIRECTION_NORTH:
673 --r;
674 if (r >= screen_desktop_layout.rows) {
675 if (!wrap) return d = screen_desktop;
676 r = screen_desktop_layout.rows - 1;
677 }
678 d = translate_row_col(r, c);
679 if (d >= screen_num_desktops) {
680 if (!wrap) return d = screen_desktop;
681 --r;
682 }
683 break;
684 default:
685 assert(0);
686 return d = screen_desktop;
687 }
688
689 d = translate_row_col(r, c);
690 }
691
692 if (config_desktop_popup) {
693 popup_cycle(d, TRUE);
694 return d;
695 }
696
697 done_cycle:
698 first = TRUE;
699
700 popup_cycle(0, FALSE);
701
702 return d;
703 }
704
705 void screen_update_layout()
706 {
707 ObOrientation orient;
708 ObCorner corner;
709 guint rows;
710 guint cols;
711 guint32 *data;
712 guint num;
713 gboolean valid = FALSE;
714
715 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
716 net_desktop_layout, cardinal, &data, &num)) {
717 if (num == 3 || num == 4) {
718
719 if (data[0] == prop_atoms.net_wm_orientation_vert)
720 orient = OB_ORIENTATION_VERT;
721 else if (data[0] == prop_atoms.net_wm_orientation_horz)
722 orient = OB_ORIENTATION_HORZ;
723 else
724 goto screen_update_layout_bail;
725
726 if (num < 4)
727 corner = OB_CORNER_TOPLEFT;
728 else {
729 if (data[3] == prop_atoms.net_wm_topleft)
730 corner = OB_CORNER_TOPLEFT;
731 else if (data[3] == prop_atoms.net_wm_topright)
732 corner = OB_CORNER_TOPRIGHT;
733 else if (data[3] == prop_atoms.net_wm_bottomright)
734 corner = OB_CORNER_BOTTOMRIGHT;
735 else if (data[3] == prop_atoms.net_wm_bottomleft)
736 corner = OB_CORNER_BOTTOMLEFT;
737 else
738 goto screen_update_layout_bail;
739 }
740
741 /* fill in a zero rows/columns */
742 if ((data[1] == 0 && data[2] == 0) || /* both 0's is bad data.. */
743 (data[1] != 0 && data[2] != 0)) { /* no 0's is bad data.. */
744 goto screen_update_layout_bail;
745 } else {
746 if (data[1] == 0) {
747 data[1] = (screen_num_desktops +
748 screen_num_desktops % data[2]) / data[2];
749 } else if (data[2] == 0) {
750 data[2] = (screen_num_desktops +
751 screen_num_desktops % data[1]) / data[1];
752 }
753 cols = data[1];
754 rows = data[2];
755 }
756
757 /* bounds checking */
758 if (orient == OB_ORIENTATION_HORZ) {
759 rows = MIN(rows, screen_num_desktops);
760 cols = MIN(cols, ((screen_num_desktops +
761 (screen_num_desktops % rows)) / rows));
762 } else {
763 cols = MIN(cols, screen_num_desktops);
764 rows = MIN(rows, ((screen_num_desktops +
765 (screen_num_desktops % cols)) / cols));
766 }
767
768 valid = TRUE;
769 }
770 screen_update_layout_bail:
771 g_free(data);
772 }
773
774 if (!valid) {
775 /* defaults */
776 orient = OB_ORIENTATION_HORZ;
777 corner = OB_CORNER_TOPLEFT;
778 rows = 1;
779 cols = screen_num_desktops;
780 }
781
782 screen_desktop_layout.orientation = orient;
783 screen_desktop_layout.start_corner = corner;
784 screen_desktop_layout.rows = rows;
785 screen_desktop_layout.columns = cols;
786 }
787
788 void screen_update_desktop_names()
789 {
790 guint i;
791
792 /* empty the array */
793 g_strfreev(screen_desktop_names);
794 screen_desktop_names = NULL;
795
796 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
797 net_desktop_names, utf8, &screen_desktop_names))
798 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
799 else
800 i = 0;
801 if (i <= screen_num_desktops) {
802 screen_desktop_names = g_renew(char*, screen_desktop_names,
803 screen_num_desktops + 1);
804 screen_desktop_names[screen_num_desktops] = NULL;
805 for (; i < screen_num_desktops; ++i)
806 screen_desktop_names[i] = g_strdup("Unnamed Desktop");
807 }
808 }
809
810 void screen_show_desktop(gboolean show)
811 {
812 GList *it;
813
814 if (show == screen_showing_desktop) return; /* no change */
815
816 screen_showing_desktop = show;
817
818 if (show) {
819 /* bottom to top */
820 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
821 if (WINDOW_IS_CLIENT(it->data)) {
822 ObClient *client = it->data;
823 if (client->frame->visible && !client_should_show(client))
824 frame_hide(client->frame);
825 }
826 }
827 } else {
828 /* top to bottom */
829 for (it = stacking_list; it != NULL; it = it->next) {
830 if (WINDOW_IS_CLIENT(it->data)) {
831 ObClient *client = it->data;
832 if (!client->frame->visible && client_should_show(client))
833 frame_show(client->frame);
834 }
835 }
836 }
837
838 if (show) {
839 /* focus desktop */
840 for (it = focus_order[screen_desktop]; it; it = it->next)
841 if (((ObClient*)it->data)->type == OB_CLIENT_TYPE_DESKTOP &&
842 client_focus(it->data))
843 break;
844 } else {
845 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
846 }
847
848 show = !!show; /* make it boolean */
849 PROP_SET32(RootWindow(ob_display, ob_screen),
850 net_showing_desktop, cardinal, show);
851
852 dispatch_ob(Event_Ob_ShowDesktop, show, 0);
853 }
854
855 void screen_install_colormap(ObClient *client, gboolean install)
856 {
857 XWindowAttributes wa;
858
859 if (client == NULL) {
860 if (install)
861 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
862 else
863 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
864 } else {
865 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
866 wa.colormap != None) {
867 xerror_set_ignore(TRUE);
868 if (install)
869 XInstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
870 else
871 XUninstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
872 xerror_set_ignore(FALSE);
873 }
874 }
875 }
876
877 void screen_update_areas()
878 {
879 guint i, x;
880 guint32 *dims;
881 GList *it;
882
883 g_free(monitor_area);
884 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
885
886 if (area) {
887 for (i = 0; area[i]; ++i)
888 g_free(area[i]);
889 g_free(area);
890 }
891
892 area = g_new(Rect*, screen_num_desktops + 2);
893 for (i = 0; i < screen_num_desktops + 1; ++i)
894 area[i] = g_new(Rect, screen_num_monitors + 1);
895 area[i] = NULL;
896
897 dims = g_new(guint32, 4 * screen_num_desktops);
898
899 for (i = 0; i < screen_num_desktops + 1; ++i) {
900 Strut s;
901 int l, r, t, b;
902
903 /* calc the xinerama areas */
904 for (x = 0; x < screen_num_monitors; ++x) {
905 area[i][x] = monitor_area[x];
906 if (x == 0) {
907 l = monitor_area[x].x;
908 t = monitor_area[x].y;
909 r = monitor_area[x].x + monitor_area[x].width - 1;
910 b = monitor_area[x].y + monitor_area[x].height - 1;
911 } else {
912 l = MIN(l, monitor_area[x].x);
913 t = MIN(t, monitor_area[x].y);
914 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
915 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
916 }
917 }
918 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
919
920 /* apply struts */
921 STRUT_SET(s, 0, 0, 0, 0);
922 for (it = client_list; it; it = it->next)
923 STRUT_ADD(s, ((ObClient*)it->data)->strut);
924 STRUT_ADD(s, dock_strut);
925
926 if (s.left) {
927 int o;
928
929 /* find the left-most xin heads, i do this in 2 loops :| */
930 o = area[i][0].x;
931 for (x = 1; x < screen_num_monitors; ++x)
932 o = MIN(o, area[i][x].x);
933
934 for (x = 0; x < screen_num_monitors; ++x) {
935 int edge = o + s.left - area[i][x].x;
936 if (edge > 0) {
937 area[i][x].x += edge;
938 area[i][x].width -= edge;
939 }
940 }
941
942 area[i][screen_num_monitors].x += s.left;
943 area[i][screen_num_monitors].width -= s.left;
944 }
945 if (s.top) {
946 int o;
947
948 /* find the left-most xin heads, i do this in 2 loops :| */
949 o = area[i][0].y;
950 for (x = 1; x < screen_num_monitors; ++x)
951 o = MIN(o, area[i][x].y);
952
953 for (x = 0; x < screen_num_monitors; ++x) {
954 int edge = o + s.top - area[i][x].y;
955 if (edge > 0) {
956 area[i][x].y += edge;
957 area[i][x].height -= edge;
958 }
959 }
960
961 area[i][screen_num_monitors].y += s.top;
962 area[i][screen_num_monitors].height -= s.top;
963 }
964 if (s.right) {
965 int o;
966
967 /* find the bottom-most xin heads, i do this in 2 loops :| */
968 o = area[i][0].x + area[i][0].width - 1;
969 for (x = 1; x < screen_num_monitors; ++x)
970 o = MAX(o, area[i][x].x + area[i][x].width - 1);
971
972 for (x = 0; x < screen_num_monitors; ++x) {
973 int edge = (area[i][x].x + area[i][x].width - 1) -
974 (o - s.right);
975 if (edge > 0)
976 area[i][x].width -= edge;
977 }
978
979 area[i][screen_num_monitors].width -= s.right;
980 }
981 if (s.bottom) {
982 int o;
983
984 /* find the bottom-most xin heads, i do this in 2 loops :| */
985 o = area[i][0].y + area[i][0].height - 1;
986 for (x = 1; x < screen_num_monitors; ++x)
987 o = MAX(o, area[i][x].y + area[i][x].height - 1);
988
989 for (x = 0; x < screen_num_monitors; ++x) {
990 int edge = (area[i][x].y + area[i][x].height - 1) -
991 (o - s.bottom);
992 if (edge > 0)
993 area[i][x].height -= edge;
994 }
995
996 area[i][screen_num_monitors].height -= s.bottom;
997 }
998
999 /* XXX when dealing with partial struts, if its in a single
1000 xinerama area, then only subtract it from that area's space
1001 for (x = 0; x < screen_num_monitors; ++x) {
1002 GList *it;
1003
1004
1005 do something smart with it for the 'all xinerama areas' one...
1006
1007 for (it = client_list; it; it = it->next) {
1008
1009 XXX if gunna test this shit, then gotta worry about when
1010 the client moves between xinerama heads..
1011
1012 if (RECT_CONTAINS_RECT(((ObClient*)it->data)->frame->area,
1013 area[i][x])) {
1014
1015 }
1016 }
1017 }
1018 */
1019
1020 /* XXX optimize when this is run? */
1021
1022 /* the area has changed, adjust all the maximized
1023 windows */
1024 for (it = client_list; it; it = it->next) {
1025 ObClient *c = it->data;
1026 if (i < screen_num_desktops) {
1027 if (c->desktop == i)
1028 client_reconfigure(c);
1029 } else if (c->desktop == DESKTOP_ALL)
1030 client_reconfigure(c);
1031 }
1032 if (i < screen_num_desktops) {
1033 /* don't set these for the 'all desktops' area */
1034 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1035 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1036 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1037 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1038 }
1039 }
1040 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1041 dims, 4 * screen_num_desktops);
1042
1043 g_free(dims);
1044 }
1045
1046 Rect *screen_area(guint desktop)
1047 {
1048 return screen_area_monitor(desktop, screen_num_monitors);
1049 }
1050
1051 Rect *screen_area_monitor(guint desktop, guint head)
1052 {
1053 if (head > screen_num_monitors)
1054 return NULL;
1055 if (desktop >= screen_num_desktops) {
1056 if (desktop == DESKTOP_ALL)
1057 return &area[screen_num_desktops][head];
1058 return NULL;
1059 }
1060 return &area[desktop][head];
1061 }
1062
1063 Rect *screen_physical_area()
1064 {
1065 return screen_physical_area_monitor(screen_num_monitors);
1066 }
1067
1068 Rect *screen_physical_area_monitor(guint head)
1069 {
1070 if (head > screen_num_monitors)
1071 return NULL;
1072 return &monitor_area[head];
1073 }
1074
1075 static void set_root_cursor()
1076 {
1077 #ifdef USE_LIBSN
1078 if (sn_busy_cnt)
1079 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1080 ob_cursor(OB_CURSOR_BUSY));
1081 else
1082 #endif
1083 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1084 ob_cursor(OB_CURSOR_POINTER));
1085 }
1086
1087 #ifdef USE_LIBSN
1088 static void sn_timeout(ObTimer *t, void *data)
1089 {
1090 timer_stop(sn_timer);
1091 sn_timer = NULL;
1092 sn_busy_cnt = 0;
1093
1094 set_root_cursor();
1095 }
1096
1097 static void sn_event_func(SnMonitorEvent *ev, void *data)
1098 {
1099 SnStartupSequence *seq;
1100 const char *seq_id, *bin_name;
1101 int cnt = sn_busy_cnt;
1102
1103 if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
1104 return;
1105
1106 seq_id = sn_startup_sequence_get_id(seq);
1107 bin_name = sn_startup_sequence_get_binary_name(seq);
1108
1109 if (!(seq_id && bin_name))
1110 return;
1111
1112 switch (sn_monitor_event_get_type(ev)) {
1113 case SN_MONITOR_EVENT_INITIATED:
1114 ++sn_busy_cnt;
1115 if (sn_timer)
1116 timer_stop(sn_timer);
1117 /* 30 second timeout for apps to start */
1118 sn_timer = timer_start(30 * 1000000, sn_timeout, NULL);
1119 break;
1120 case SN_MONITOR_EVENT_CHANGED:
1121 break;
1122 case SN_MONITOR_EVENT_COMPLETED:
1123 if (sn_busy_cnt) --sn_busy_cnt;
1124 if (sn_timer) {
1125 timer_stop(sn_timer);
1126 sn_timer = NULL;
1127 }
1128 break;
1129 case SN_MONITOR_EVENT_CANCELED:
1130 if (sn_busy_cnt) --sn_busy_cnt;
1131 if (sn_timer) {
1132 timer_stop(sn_timer);
1133 sn_timer = NULL;
1134 }
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 }
my patches for the openbox window manager
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