]> Dogcows Code - chaz/openbox/blob - openbox/screen.c
74b8e71db4d8c42f553dadab2427cf9b0e9bebba
[chaz/openbox] / openbox / screen.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 screen.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "debug.h"
21 #include "openbox.h"
22 #include "dock.h"
23 #include "xerror.h"
24 #include "prop.h"
25 #include "grab.h"
26 #include "startupnotify.h"
27 #include "moveresize.h"
28 #include "config.h"
29 #include "screen.h"
30 #include "client.h"
31 #include "frame.h"
32 #include "event.h"
33 #include "focus.h"
34 #include "popup.h"
35 #include "extensions.h"
36 #include "render/render.h"
37 #include "gettext.h"
38
39 #include <X11/Xlib.h>
40 #ifdef HAVE_UNISTD_H
41 # include <sys/types.h>
42 # include <unistd.h>
43 #endif
44 #include <assert.h>
45
46 /*! The event mask to grab on the root window */
47 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
48 EnterWindowMask | LeaveWindowMask | \
49 SubstructureRedirectMask | FocusChangeMask | \
50 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
51
52 guint screen_num_desktops;
53 guint screen_num_monitors;
54 guint screen_desktop;
55 guint screen_last_desktop;
56 Size screen_physical_size;
57 gboolean screen_showing_desktop;
58 DesktopLayout screen_desktop_layout;
59 gchar **screen_desktop_names;
60 Window screen_support_win;
61
62 static Rect **area; /* array of desktop holding array of xinerama areas */
63 static Rect *monitor_area;
64
65 static ObPagerPopup *desktop_cycle_popup;
66
67 static gboolean replace_wm()
68 {
69 gchar *wm_sn;
70 Atom wm_sn_atom;
71 Window current_wm_sn_owner;
72 Time timestamp;
73
74 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
75 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
76 g_free(wm_sn);
77
78 current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
79 if (current_wm_sn_owner == screen_support_win)
80 current_wm_sn_owner = None;
81 if (current_wm_sn_owner) {
82 if (!ob_replace_wm) {
83 g_message(_("A window manager is already running on screen %d"),
84 ob_screen);
85 return FALSE;
86 }
87 xerror_set_ignore(TRUE);
88 xerror_occured = FALSE;
89
90 /* We want to find out when the current selection owner dies */
91 XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
92 XSync(ob_display, FALSE);
93
94 xerror_set_ignore(FALSE);
95 if (xerror_occured)
96 current_wm_sn_owner = None;
97 }
98
99 {
100 /* Generate a timestamp */
101 XEvent event;
102
103 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
104
105 XChangeProperty(ob_display, screen_support_win,
106 prop_atoms.wm_class, prop_atoms.string,
107 8, PropModeAppend, NULL, 0);
108 XWindowEvent(ob_display, screen_support_win,
109 PropertyChangeMask, &event);
110
111 XSelectInput(ob_display, screen_support_win, NoEventMask);
112
113 timestamp = event.xproperty.time;
114 }
115
116 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
117 timestamp);
118
119 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
120 g_message(_("Could not acquire window manager selection on screen %d"),
121 ob_screen);
122 return FALSE;
123 }
124
125 /* Wait for old window manager to go away */
126 if (current_wm_sn_owner) {
127 XEvent event;
128 gulong wait = 0;
129 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
130
131 while (wait < timeout) {
132 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
133 StructureNotifyMask, &event) &&
134 event.type == DestroyNotify)
135 break;
136 g_usleep(G_USEC_PER_SEC / 10);
137 wait += G_USEC_PER_SEC / 10;
138 }
139
140 if (wait >= timeout) {
141 g_message(_("Timeout expired while waiting for the current WM to die"
142 " on screen %d"), ob_screen);
143 return FALSE;
144 }
145 }
146
147 /* Send client message indicating that we are now the WM */
148 prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
149 timestamp, wm_sn_atom, 0, 0, SubstructureNotifyMask);
150
151
152 return TRUE;
153 }
154
155 gboolean screen_annex()
156 {
157 XSetWindowAttributes attrib;
158 pid_t pid;
159 gint i, num_support;
160 gulong *supported;
161
162 /* create the netwm support window */
163 attrib.override_redirect = TRUE;
164 screen_support_win = XCreateWindow(ob_display,
165 RootWindow(ob_display, ob_screen),
166 -100, -100, 1, 1, 0,
167 CopyFromParent, InputOutput,
168 CopyFromParent,
169 CWOverrideRedirect, &attrib);
170 XMapWindow(ob_display, screen_support_win);
171
172 if (!replace_wm()) {
173 XDestroyWindow(ob_display, screen_support_win);
174 return FALSE;
175 }
176
177 xerror_set_ignore(TRUE);
178 xerror_occured = FALSE;
179 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
180 ROOT_EVENTMASK);
181 xerror_set_ignore(FALSE);
182 if (xerror_occured) {
183 g_message(_("A window manager is already running on screen %d"),
184 ob_screen);
185
186 XDestroyWindow(ob_display, screen_support_win);
187 return FALSE;
188 }
189
190
191 screen_set_root_cursor();
192
193 /* set the OPENBOX_PID hint */
194 pid = getpid();
195 PROP_SET32(RootWindow(ob_display, ob_screen),
196 openbox_pid, cardinal, pid);
197
198 /* set supporting window */
199 PROP_SET32(RootWindow(ob_display, ob_screen),
200 net_supporting_wm_check, window, screen_support_win);
201
202 /* set properties on the supporting window */
203 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
204 PROP_SET32(screen_support_win, net_supporting_wm_check,
205 window, screen_support_win);
206
207 /* set the _NET_SUPPORTED_ATOMS hint */
208 num_support = 55;
209 i = 0;
210 supported = g_new(gulong, num_support);
211 supported[i++] = prop_atoms.net_wm_full_placement;
212 supported[i++] = prop_atoms.net_current_desktop;
213 supported[i++] = prop_atoms.net_number_of_desktops;
214 supported[i++] = prop_atoms.net_desktop_geometry;
215 supported[i++] = prop_atoms.net_desktop_viewport;
216 supported[i++] = prop_atoms.net_active_window;
217 supported[i++] = prop_atoms.net_workarea;
218 supported[i++] = prop_atoms.net_client_list;
219 supported[i++] = prop_atoms.net_client_list_stacking;
220 supported[i++] = prop_atoms.net_desktop_names;
221 supported[i++] = prop_atoms.net_close_window;
222 supported[i++] = prop_atoms.net_desktop_layout;
223 supported[i++] = prop_atoms.net_showing_desktop;
224 supported[i++] = prop_atoms.net_wm_name;
225 supported[i++] = prop_atoms.net_wm_visible_name;
226 supported[i++] = prop_atoms.net_wm_icon_name;
227 supported[i++] = prop_atoms.net_wm_visible_icon_name;
228 supported[i++] = prop_atoms.net_wm_desktop;
229 supported[i++] = prop_atoms.net_wm_strut;
230 supported[i++] = prop_atoms.net_wm_window_type;
231 supported[i++] = prop_atoms.net_wm_window_type_desktop;
232 supported[i++] = prop_atoms.net_wm_window_type_dock;
233 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
234 supported[i++] = prop_atoms.net_wm_window_type_menu;
235 supported[i++] = prop_atoms.net_wm_window_type_utility;
236 supported[i++] = prop_atoms.net_wm_window_type_splash;
237 supported[i++] = prop_atoms.net_wm_window_type_dialog;
238 supported[i++] = prop_atoms.net_wm_window_type_normal;
239 supported[i++] = prop_atoms.net_wm_allowed_actions;
240 supported[i++] = prop_atoms.net_wm_action_move;
241 supported[i++] = prop_atoms.net_wm_action_resize;
242 supported[i++] = prop_atoms.net_wm_action_minimize;
243 supported[i++] = prop_atoms.net_wm_action_shade;
244 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
245 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
246 supported[i++] = prop_atoms.net_wm_action_fullscreen;
247 supported[i++] = prop_atoms.net_wm_action_change_desktop;
248 supported[i++] = prop_atoms.net_wm_action_close;
249 supported[i++] = prop_atoms.net_wm_state;
250 supported[i++] = prop_atoms.net_wm_state_modal;
251 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
252 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
253 supported[i++] = prop_atoms.net_wm_state_shaded;
254 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
255 supported[i++] = prop_atoms.net_wm_state_skip_pager;
256 supported[i++] = prop_atoms.net_wm_state_hidden;
257 supported[i++] = prop_atoms.net_wm_state_fullscreen;
258 supported[i++] = prop_atoms.net_wm_state_above;
259 supported[i++] = prop_atoms.net_wm_state_below;
260 supported[i++] = prop_atoms.net_wm_state_demands_attention;
261 supported[i++] = prop_atoms.net_moveresize_window;
262 supported[i++] = prop_atoms.net_wm_moveresize;
263 supported[i++] = prop_atoms.net_wm_user_time;
264 supported[i++] = prop_atoms.net_frame_extents;
265 supported[i++] = prop_atoms.ob_wm_state_undecorated;
266 g_assert(i == num_support);
267 /*
268 supported[] = prop_atoms.net_wm_action_stick;
269 */
270
271 PROP_SETA32(RootWindow(ob_display, ob_screen),
272 net_supported, atom, supported, num_support);
273 g_free(supported);
274
275 return TRUE;
276 }
277
278 void screen_startup(gboolean reconfig)
279 {
280 GSList *it;
281 guint i;
282
283 desktop_cycle_popup = pager_popup_new(FALSE);
284
285 if (!reconfig)
286 /* get the initial size */
287 screen_resize();
288
289 /* set the names */
290 screen_desktop_names = g_new(gchar*,
291 g_slist_length(config_desktops_names) + 1);
292 for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
293 screen_desktop_names[i] = it->data; /* dont strdup */
294 screen_desktop_names[i] = NULL;
295 PROP_SETSS(RootWindow(ob_display, ob_screen),
296 net_desktop_names, screen_desktop_names);
297 g_free(screen_desktop_names); /* dont free the individual strings */
298 screen_desktop_names = NULL;
299
300 if (!reconfig)
301 screen_num_desktops = 0;
302 screen_set_num_desktops(config_desktops_num);
303 if (!reconfig) {
304 guint32 d;
305 /* start on the current desktop when a wm was already running */
306 if (PROP_GET32(RootWindow(ob_display, ob_screen),
307 net_current_desktop, cardinal, &d) &&
308 d < screen_num_desktops)
309 {
310 screen_set_desktop(d);
311 } else
312 screen_set_desktop(MIN(config_screen_firstdesk,
313 screen_num_desktops) - 1);
314
315 /* don't start in showing-desktop mode */
316 screen_showing_desktop = FALSE;
317 PROP_SET32(RootWindow(ob_display, ob_screen),
318 net_showing_desktop, cardinal, screen_showing_desktop);
319
320 screen_update_layout();
321 }
322 }
323
324 void screen_shutdown(gboolean reconfig)
325 {
326 Rect **r;
327
328 pager_popup_free(desktop_cycle_popup);
329
330 if (!reconfig) {
331 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
332 NoEventMask);
333
334 /* we're not running here no more! */
335 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
336 /* not without us */
337 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
338 /* don't keep this mode */
339 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
340
341 XDestroyWindow(ob_display, screen_support_win);
342 }
343
344 g_strfreev(screen_desktop_names);
345 screen_desktop_names = NULL;
346 for (r = area; *r; ++r)
347 g_free(*r);
348 g_free(area);
349 area = NULL;
350 }
351
352 void screen_resize()
353 {
354 static gint oldw = 0, oldh = 0;
355 gint w, h;
356 GList *it;
357 gulong geometry[2];
358
359 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
360 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
361
362 if (w == oldw && h == oldh) return;
363
364 oldw = w; oldh = h;
365
366 /* Set the _NET_DESKTOP_GEOMETRY hint */
367 screen_physical_size.width = geometry[0] = w;
368 screen_physical_size.height = geometry[1] = h;
369 PROP_SETA32(RootWindow(ob_display, ob_screen),
370 net_desktop_geometry, cardinal, geometry, 2);
371
372 if (ob_state() == OB_STATE_STARTING)
373 return;
374
375 screen_update_areas();
376 dock_configure();
377
378 for (it = client_list; it; it = g_list_next(it))
379 client_move_onscreen(it->data, FALSE);
380 }
381
382 void screen_set_num_desktops(guint num)
383 {
384 guint old;
385 gulong *viewport;
386 GList *it;
387
388 g_assert(num > 0);
389
390 if (screen_num_desktops == num) return;
391
392 old = screen_num_desktops;
393 screen_num_desktops = num;
394 PROP_SET32(RootWindow(ob_display, ob_screen),
395 net_number_of_desktops, cardinal, num);
396
397 /* set the viewport hint */
398 viewport = g_new0(gulong, num * 2);
399 PROP_SETA32(RootWindow(ob_display, ob_screen),
400 net_desktop_viewport, cardinal, viewport, num * 2);
401 g_free(viewport);
402
403 /* the number of rows/columns will differ */
404 screen_update_layout();
405
406 /* may be some unnamed desktops that we need to fill in with names */
407 screen_update_desktop_names();
408
409 /* move windows on desktops that will no longer exist! */
410 for (it = client_list; it; it = g_list_next(it)) {
411 ObClient *c = it->data;
412 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
413 client_set_desktop(c, num - 1, FALSE);
414 }
415
416 /* change our struts/area to match (after moving windows) */
417 screen_update_areas();
418
419 /* change our desktop if we're on one that no longer exists! */
420 if (screen_desktop >= screen_num_desktops)
421 screen_set_desktop(num - 1);
422 }
423
424 void screen_set_desktop(guint num)
425 {
426 ObClient *c;
427 GList *it;
428 guint old;
429
430 g_assert(num < screen_num_desktops);
431
432 old = screen_desktop;
433 screen_desktop = num;
434 PROP_SET32(RootWindow(ob_display, ob_screen),
435 net_current_desktop, cardinal, num);
436
437 if (old == num) return;
438
439 screen_last_desktop = old;
440
441 ob_debug("Moving to desktop %d\n", num+1);
442
443 if (moveresize_client)
444 client_set_desktop(moveresize_client, num, TRUE);
445
446 /* show windows before hiding the rest to lessen the enter/leave events */
447
448 /* show/hide windows from top to bottom */
449 for (it = stacking_list; it; it = g_list_next(it)) {
450 if (WINDOW_IS_CLIENT(it->data)) {
451 ObClient *c = it->data;
452 client_show(c);
453 }
454 }
455
456 /* hide windows from bottom to top */
457 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
458 if (WINDOW_IS_CLIENT(it->data)) {
459 ObClient *c = it->data;
460 client_hide(c);
461 }
462 }
463
464 /* have to try focus here because when you leave an empty desktop
465 there is no focus out to watch for */
466 if ((c = focus_fallback_target(TRUE, focus_client))) {
467 /* reduce flicker by hiliting now rather than waiting for the server
468 FocusIn event */
469 frame_adjust_focus(c->frame, TRUE);
470 client_focus(c);
471 }
472
473 event_ignore_queued_enters();
474 }
475
476 static void get_row_col(guint d, guint *r, guint *c)
477 {
478 switch (screen_desktop_layout.orientation) {
479 case OB_ORIENTATION_HORZ:
480 switch (screen_desktop_layout.start_corner) {
481 case OB_CORNER_TOPLEFT:
482 *r = d / screen_desktop_layout.columns;
483 *c = d % screen_desktop_layout.columns;
484 break;
485 case OB_CORNER_BOTTOMLEFT:
486 *r = screen_desktop_layout.rows - 1 -
487 d / screen_desktop_layout.columns;
488 *c = d % screen_desktop_layout.columns;
489 break;
490 case OB_CORNER_TOPRIGHT:
491 *r = d / screen_desktop_layout.columns;
492 *c = screen_desktop_layout.columns - 1 -
493 d % screen_desktop_layout.columns;
494 break;
495 case OB_CORNER_BOTTOMRIGHT:
496 *r = screen_desktop_layout.rows - 1 -
497 d / screen_desktop_layout.columns;
498 *c = screen_desktop_layout.columns - 1 -
499 d % screen_desktop_layout.columns;
500 break;
501 }
502 break;
503 case OB_ORIENTATION_VERT:
504 switch (screen_desktop_layout.start_corner) {
505 case OB_CORNER_TOPLEFT:
506 *r = d % screen_desktop_layout.rows;
507 *c = d / screen_desktop_layout.rows;
508 break;
509 case OB_CORNER_BOTTOMLEFT:
510 *r = screen_desktop_layout.rows - 1 -
511 d % screen_desktop_layout.rows;
512 *c = d / screen_desktop_layout.rows;
513 break;
514 case OB_CORNER_TOPRIGHT:
515 *r = d % screen_desktop_layout.rows;
516 *c = screen_desktop_layout.columns - 1 -
517 d / screen_desktop_layout.rows;
518 break;
519 case OB_CORNER_BOTTOMRIGHT:
520 *r = screen_desktop_layout.rows - 1 -
521 d % screen_desktop_layout.rows;
522 *c = screen_desktop_layout.columns - 1 -
523 d / screen_desktop_layout.rows;
524 break;
525 }
526 break;
527 }
528 }
529
530 static guint translate_row_col(guint r, guint c)
531 {
532 switch (screen_desktop_layout.orientation) {
533 case OB_ORIENTATION_HORZ:
534 switch (screen_desktop_layout.start_corner) {
535 case OB_CORNER_TOPLEFT:
536 return r % screen_desktop_layout.rows *
537 screen_desktop_layout.columns +
538 c % screen_desktop_layout.columns;
539 case OB_CORNER_BOTTOMLEFT:
540 return (screen_desktop_layout.rows - 1 -
541 r % screen_desktop_layout.rows) *
542 screen_desktop_layout.columns +
543 c % screen_desktop_layout.columns;
544 case OB_CORNER_TOPRIGHT:
545 return r % screen_desktop_layout.rows *
546 screen_desktop_layout.columns +
547 (screen_desktop_layout.columns - 1 -
548 c % screen_desktop_layout.columns);
549 case OB_CORNER_BOTTOMRIGHT:
550 return (screen_desktop_layout.rows - 1 -
551 r % screen_desktop_layout.rows) *
552 screen_desktop_layout.columns +
553 (screen_desktop_layout.columns - 1 -
554 c % screen_desktop_layout.columns);
555 }
556 case OB_ORIENTATION_VERT:
557 switch (screen_desktop_layout.start_corner) {
558 case OB_CORNER_TOPLEFT:
559 return c % screen_desktop_layout.columns *
560 screen_desktop_layout.rows +
561 r % screen_desktop_layout.rows;
562 case OB_CORNER_BOTTOMLEFT:
563 return c % screen_desktop_layout.columns *
564 screen_desktop_layout.rows +
565 (screen_desktop_layout.rows - 1 -
566 r % screen_desktop_layout.rows);
567 case OB_CORNER_TOPRIGHT:
568 return (screen_desktop_layout.columns - 1 -
569 c % screen_desktop_layout.columns) *
570 screen_desktop_layout.rows +
571 r % screen_desktop_layout.rows;
572 case OB_CORNER_BOTTOMRIGHT:
573 return (screen_desktop_layout.columns - 1 -
574 c % screen_desktop_layout.columns) *
575 screen_desktop_layout.rows +
576 (screen_desktop_layout.rows - 1 -
577 r % screen_desktop_layout.rows);
578 }
579 }
580 g_assert_not_reached();
581 return 0;
582 }
583
584 void screen_desktop_popup(guint d, gboolean show)
585 {
586 Rect *a;
587
588 if (!show) {
589 pager_popup_hide(desktop_cycle_popup);
590 } else {
591 a = screen_physical_area_monitor(0);
592 pager_popup_position(desktop_cycle_popup, CenterGravity,
593 a->x + a->width / 2, a->y + a->height / 2);
594 /* XXX the size and the font extents need to be related on some level
595 */
596 pager_popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
597
598 pager_popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
599
600 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
601 }
602 }
603
604 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
605 gboolean dialog, gboolean done, gboolean cancel)
606 {
607 static gboolean first = TRUE;
608 static guint origd, d;
609 guint r, c;
610
611 if (cancel) {
612 d = origd;
613 goto done_cycle;
614 } else if (done && dialog) {
615 goto done_cycle;
616 }
617 if (first) {
618 first = FALSE;
619 d = origd = screen_desktop;
620 }
621
622 get_row_col(d, &r, &c);
623
624 if (linear) {
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) {
648 c = 0;
649 } else {
650 d = screen_desktop;
651 goto show_cycle_dialog;
652 }
653 }
654 d = translate_row_col(r, c);
655 if (d >= screen_num_desktops) {
656 if (wrap) {
657 ++c;
658 } else {
659 d = screen_desktop;
660 goto show_cycle_dialog;
661 }
662 }
663 break;
664 case OB_DIRECTION_WEST:
665 --c;
666 if (c >= screen_desktop_layout.columns) {
667 if (wrap) {
668 c = screen_desktop_layout.columns - 1;
669 } else {
670 d = screen_desktop;
671 goto show_cycle_dialog;
672 }
673 }
674 d = translate_row_col(r, c);
675 if (d >= screen_num_desktops) {
676 if (wrap) {
677 --c;
678 } else {
679 d = screen_desktop;
680 goto show_cycle_dialog;
681 }
682 }
683 break;
684 case OB_DIRECTION_SOUTH:
685 ++r;
686 if (r >= screen_desktop_layout.rows) {
687 if (wrap) {
688 r = 0;
689 } else {
690 d = screen_desktop;
691 goto show_cycle_dialog;
692 }
693 }
694 d = translate_row_col(r, c);
695 if (d >= screen_num_desktops) {
696 if (wrap) {
697 ++r;
698 } else {
699 d = screen_desktop;
700 goto show_cycle_dialog;
701 }
702 }
703 break;
704 case OB_DIRECTION_NORTH:
705 --r;
706 if (r >= screen_desktop_layout.rows) {
707 if (wrap) {
708 r = screen_desktop_layout.rows - 1;
709 } else {
710 d = screen_desktop;
711 goto show_cycle_dialog;
712 }
713 }
714 d = translate_row_col(r, c);
715 if (d >= screen_num_desktops) {
716 if (wrap) {
717 --r;
718 } else {
719 d = screen_desktop;
720 goto show_cycle_dialog;
721 }
722 }
723 break;
724 default:
725 assert(0);
726 return d = screen_desktop;
727 }
728
729 d = translate_row_col(r, c);
730 }
731
732 show_cycle_dialog:
733 if (dialog) {
734 screen_desktop_popup(d, TRUE);
735 return d;
736 }
737
738 done_cycle:
739 first = TRUE;
740
741 screen_desktop_popup(0, FALSE);
742
743 return d;
744 }
745
746 void screen_update_layout()
747 {
748 ObOrientation orient;
749 ObCorner corner;
750 guint rows;
751 guint cols;
752 guint32 *data;
753 guint num;
754 gboolean valid = FALSE;
755
756 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
757 net_desktop_layout, cardinal, &data, &num)) {
758 if (num == 3 || num == 4) {
759
760 if (data[0] == prop_atoms.net_wm_orientation_vert)
761 orient = OB_ORIENTATION_VERT;
762 else if (data[0] == prop_atoms.net_wm_orientation_horz)
763 orient = OB_ORIENTATION_HORZ;
764 else
765 goto screen_update_layout_bail;
766
767 if (num < 4)
768 corner = OB_CORNER_TOPLEFT;
769 else {
770 if (data[3] == prop_atoms.net_wm_topleft)
771 corner = OB_CORNER_TOPLEFT;
772 else if (data[3] == prop_atoms.net_wm_topright)
773 corner = OB_CORNER_TOPRIGHT;
774 else if (data[3] == prop_atoms.net_wm_bottomright)
775 corner = OB_CORNER_BOTTOMRIGHT;
776 else if (data[3] == prop_atoms.net_wm_bottomleft)
777 corner = OB_CORNER_BOTTOMLEFT;
778 else
779 goto screen_update_layout_bail;
780 }
781
782 cols = data[1];
783 rows = data[2];
784
785 /* fill in a zero rows/columns */
786 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
787 goto screen_update_layout_bail;
788 } else {
789 if (cols == 0) {
790 cols = screen_num_desktops / rows;
791 if (rows * cols < screen_num_desktops)
792 cols++;
793 if (rows * cols >= screen_num_desktops + cols)
794 rows--;
795 } else if (rows == 0) {
796 rows = screen_num_desktops / cols;
797 if (cols * rows < screen_num_desktops)
798 rows++;
799 if (cols * rows >= screen_num_desktops + rows)
800 cols--;
801 }
802 }
803
804 /* bounds checking */
805 if (orient == OB_ORIENTATION_HORZ) {
806 cols = MIN(screen_num_desktops, cols);
807 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
808 cols = screen_num_desktops / rows +
809 !!(screen_num_desktops % rows);
810 } else {
811 rows = MIN(screen_num_desktops, rows);
812 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
813 rows = screen_num_desktops / cols +
814 !!(screen_num_desktops % cols);
815 }
816
817 valid = TRUE;
818 }
819 screen_update_layout_bail:
820 g_free(data);
821 }
822
823 if (!valid) {
824 /* defaults */
825 orient = OB_ORIENTATION_HORZ;
826 corner = OB_CORNER_TOPLEFT;
827 rows = 1;
828 cols = screen_num_desktops;
829 }
830
831 screen_desktop_layout.orientation = orient;
832 screen_desktop_layout.start_corner = corner;
833 screen_desktop_layout.rows = rows;
834 screen_desktop_layout.columns = cols;
835 }
836
837 void screen_update_desktop_names()
838 {
839 guint i;
840
841 /* empty the array */
842 g_strfreev(screen_desktop_names);
843 screen_desktop_names = NULL;
844
845 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
846 net_desktop_names, utf8, &screen_desktop_names))
847 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
848 else
849 i = 0;
850 if (i <= screen_num_desktops) {
851 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
852 screen_num_desktops + 1);
853 screen_desktop_names[screen_num_desktops] = NULL;
854 for (; i < screen_num_desktops; ++i)
855 screen_desktop_names[i] = g_strdup_printf("Desktop %i", i + 1);
856 }
857 }
858
859 void screen_show_desktop(gboolean show)
860 {
861 GList *it;
862
863 if (show == screen_showing_desktop) return; /* no change */
864
865 screen_showing_desktop = show;
866
867 if (show) {
868 /* bottom to top */
869 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
870 if (WINDOW_IS_CLIENT(it->data)) {
871 ObClient *client = it->data;
872 client_showhide(client);
873 }
874 }
875 } else {
876 /* top to bottom */
877 for (it = stacking_list; it; it = g_list_next(it)) {
878 if (WINDOW_IS_CLIENT(it->data)) {
879 ObClient *client = it->data;
880 client_showhide(client);
881 }
882 }
883 }
884
885 if (show) {
886 /* focus desktop */
887 for (it = focus_order; it; it = g_list_next(it)) {
888 ObClient *c = it->data;
889 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
890 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
891 client_focus(it->data))
892 break;
893 }
894 } else {
895 ObClient *c;
896
897 /* use NULL for the "old" argument because the desktop was focused
898 and we don't want to fallback to the desktop by default */
899 if ((c = focus_fallback_target(TRUE, NULL)))
900 client_focus(c);
901 }
902
903 show = !!show; /* make it boolean */
904 PROP_SET32(RootWindow(ob_display, ob_screen),
905 net_showing_desktop, cardinal, show);
906 }
907
908 void screen_install_colormap(ObClient *client, gboolean install)
909 {
910 XWindowAttributes wa;
911
912 if (client == NULL) {
913 if (install)
914 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
915 else
916 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
917 } else {
918 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
919 wa.colormap != None) {
920 xerror_set_ignore(TRUE);
921 if (install)
922 XInstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
923 else
924 XUninstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
925 xerror_set_ignore(FALSE);
926 }
927 }
928 }
929
930 static inline void
931 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
932 gint edge, Strut *ret)
933 {
934 if (s->left &&
935 ((s->left_end <= s->left_start) ||
936 (RECT_TOP(*monitor_area) < s->left_end &&
937 RECT_BOTTOM(*monitor_area) > s->left_start)))
938 ret->left = MAX(ret->left, edge);
939 }
940
941 static inline void
942 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
943 gint edge, Strut *ret)
944 {
945 if (s->top &&
946 ((s->top_end <= s->top_start) ||
947 (RECT_LEFT(*monitor_area) < s->top_end &&
948 RECT_RIGHT(*monitor_area) > s->top_start)))
949 ret->top = MAX(ret->top, edge);
950 }
951
952 static inline void
953 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
954 gint edge, Strut *ret)
955 {
956 if (s->right &&
957 ((s->right_end <= s->right_start) ||
958 (RECT_TOP(*monitor_area) < s->right_end &&
959 RECT_BOTTOM(*monitor_area) > s->right_start)))
960 ret->right = MAX(ret->right, edge);
961 }
962
963 static inline void
964 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
965 gint edge, Strut *ret)
966 {
967 if (s->bottom &&
968 ((s->bottom_end <= s->bottom_start) ||
969 (RECT_LEFT(*monitor_area) < s->bottom_end &&
970 RECT_RIGHT(*monitor_area) > s->bottom_start)))
971 ret->bottom = MAX(ret->bottom, edge);
972 }
973
974 void screen_update_areas()
975 {
976 guint i, x;
977 gulong *dims;
978 GList *it;
979 gint o;
980
981 g_free(monitor_area);
982 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
983
984 if (area) {
985 for (i = 0; area[i]; ++i)
986 g_free(area[i]);
987 g_free(area);
988 }
989
990 area = g_new(Rect*, screen_num_desktops + 2);
991 for (i = 0; i < screen_num_desktops + 1; ++i)
992 area[i] = g_new0(Rect, screen_num_monitors + 1);
993 area[i] = NULL;
994
995 dims = g_new(gulong, 4 * screen_num_desktops);
996
997 for (i = 0; i < screen_num_desktops + 1; ++i) {
998 Strut *struts;
999 gint l, r, t, b;
1000
1001 struts = g_new0(Strut, screen_num_monitors);
1002
1003 /* calc the xinerama areas */
1004 for (x = 0; x < screen_num_monitors; ++x) {
1005 area[i][x] = monitor_area[x];
1006 if (x == 0) {
1007 l = monitor_area[x].x;
1008 t = monitor_area[x].y;
1009 r = monitor_area[x].x + monitor_area[x].width - 1;
1010 b = monitor_area[x].y + monitor_area[x].height - 1;
1011 } else {
1012 l = MIN(l, monitor_area[x].x);
1013 t = MIN(t, monitor_area[x].y);
1014 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1015 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1016 }
1017 }
1018 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1019
1020 /* apply the struts */
1021
1022 /* find the left-most xin heads, i do this in 2 loops :| */
1023 o = area[i][0].x;
1024 for (x = 1; x < screen_num_monitors; ++x)
1025 o = MIN(o, area[i][x].x);
1026
1027 for (x = 0; x < screen_num_monitors; ++x) {
1028 for (it = client_list; it; it = g_list_next(it)) {
1029 ObClient *c = it->data;
1030 screen_area_add_strut_left(&c->strut,
1031 &monitor_area[x],
1032 o + c->strut.left - area[i][x].x,
1033 &struts[x]);
1034 }
1035 screen_area_add_strut_left(&dock_strut,
1036 &monitor_area[x],
1037 o + dock_strut.left - area[i][x].x,
1038 &struts[x]);
1039
1040 area[i][x].x += struts[x].left;
1041 area[i][x].width -= struts[x].left;
1042 }
1043
1044 /* find the top-most xin heads, i do this in 2 loops :| */
1045 o = area[i][0].y;
1046 for (x = 1; x < screen_num_monitors; ++x)
1047 o = MIN(o, area[i][x].y);
1048
1049 for (x = 0; x < screen_num_monitors; ++x) {
1050 for (it = client_list; it; it = g_list_next(it)) {
1051 ObClient *c = it->data;
1052 screen_area_add_strut_top(&c->strut,
1053 &monitor_area[x],
1054 o + c->strut.top - area[i][x].y,
1055 &struts[x]);
1056 }
1057 screen_area_add_strut_top(&dock_strut,
1058 &monitor_area[x],
1059 o + dock_strut.top - area[i][x].y,
1060 &struts[x]);
1061
1062 area[i][x].y += struts[x].top;
1063 area[i][x].height -= struts[x].top;
1064 }
1065
1066 /* find the right-most xin heads, i do this in 2 loops :| */
1067 o = area[i][0].x + area[i][0].width - 1;
1068 for (x = 1; x < screen_num_monitors; ++x)
1069 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1070
1071 for (x = 0; x < screen_num_monitors; ++x) {
1072 for (it = client_list; it; it = g_list_next(it)) {
1073 ObClient *c = it->data;
1074 screen_area_add_strut_right(&c->strut,
1075 &monitor_area[x],
1076 (area[i][x].x +
1077 area[i][x].width - 1) -
1078 (o - c->strut.right),
1079 &struts[x]);
1080 }
1081 screen_area_add_strut_right(&dock_strut,
1082 &monitor_area[x],
1083 (area[i][x].x +
1084 area[i][x].width - 1) -
1085 (o - dock_strut.right),
1086 &struts[x]);
1087
1088 area[i][x].width -= struts[x].right;
1089 }
1090
1091 /* find the bottom-most xin heads, i do this in 2 loops :| */
1092 o = area[i][0].y + area[i][0].height - 1;
1093 for (x = 1; x < screen_num_monitors; ++x)
1094 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1095
1096 for (x = 0; x < screen_num_monitors; ++x) {
1097 for (it = client_list; it; it = g_list_next(it)) {
1098 ObClient *c = it->data;
1099 screen_area_add_strut_bottom(&c->strut,
1100 &monitor_area[x],
1101 (area[i][x].y +
1102 area[i][x].height - 1) - \
1103 (o - c->strut.bottom),
1104 &struts[x]);
1105 }
1106 screen_area_add_strut_bottom(&dock_strut,
1107 &monitor_area[x],
1108 (area[i][x].y +
1109 area[i][x].height - 1) - \
1110 (o - dock_strut.bottom),
1111 &struts[x]);
1112
1113 area[i][x].height -= struts[x].bottom;
1114 }
1115
1116 l = RECT_LEFT(area[i][0]);
1117 t = RECT_TOP(area[i][0]);
1118 r = RECT_RIGHT(area[i][0]);
1119 b = RECT_BOTTOM(area[i][0]);
1120 for (x = 1; x < screen_num_monitors; ++x) {
1121 l = MIN(l, RECT_LEFT(area[i][x]));
1122 t = MIN(l, RECT_TOP(area[i][x]));
1123 r = MAX(r, RECT_RIGHT(area[i][x]));
1124 b = MAX(b, RECT_BOTTOM(area[i][x]));
1125 }
1126 RECT_SET(area[i][screen_num_monitors], l, t,
1127 r - l + 1, b - t + 1);
1128
1129 /* XXX optimize when this is run? */
1130
1131 /* the area has changed, adjust all the maximized
1132 windows */
1133 for (it = client_list; it; it = g_list_next(it)) {
1134 ObClient *c = it->data;
1135 if (i < screen_num_desktops) {
1136 if (c->desktop == i)
1137 client_reconfigure(c);
1138 } else if (c->desktop == DESKTOP_ALL)
1139 client_reconfigure(c);
1140 }
1141 if (i < screen_num_desktops) {
1142 /* don't set these for the 'all desktops' area */
1143 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1144 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1145 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1146 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1147 }
1148
1149 g_free(struts);
1150 }
1151
1152 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1153 dims, 4 * screen_num_desktops);
1154
1155 g_free(dims);
1156 }
1157
1158 Rect *screen_area(guint desktop)
1159 {
1160 return screen_area_monitor(desktop, screen_num_monitors);
1161 }
1162
1163 Rect *screen_area_monitor(guint desktop, guint head)
1164 {
1165 if (head > screen_num_monitors)
1166 return NULL;
1167 if (desktop >= screen_num_desktops) {
1168 if (desktop == DESKTOP_ALL)
1169 return &area[screen_num_desktops][head];
1170 return NULL;
1171 }
1172 return &area[desktop][head];
1173 }
1174
1175 guint screen_find_monitor(Rect *search)
1176 {
1177 guint i;
1178 guint most = 0;
1179 guint mostv = 0;
1180
1181 for (i = 0; i < screen_num_monitors; ++i) {
1182 Rect *area = screen_physical_area_monitor(i);
1183 if (RECT_INTERSECTS_RECT(*area, *search)) {
1184 Rect r;
1185 guint v;
1186
1187 RECT_SET_INTERSECTION(r, *area, *search);
1188 v = r.width * r.height;
1189
1190 if (v > mostv) {
1191 mostv = v;
1192 most = i;
1193 }
1194 }
1195 }
1196 return most;
1197 }
1198
1199 Rect *screen_physical_area()
1200 {
1201 return screen_physical_area_monitor(screen_num_monitors);
1202 }
1203
1204 Rect *screen_physical_area_monitor(guint head)
1205 {
1206 if (head > screen_num_monitors)
1207 return NULL;
1208 return &monitor_area[head];
1209 }
1210
1211 void screen_set_root_cursor()
1212 {
1213 if (sn_app_starting())
1214 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1215 ob_cursor(OB_CURSOR_BUSY));
1216 else
1217 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1218 ob_cursor(OB_CURSOR_POINTER));
1219 }
1220
1221 gboolean screen_pointer_pos(gint *x, gint *y)
1222 {
1223 Window w;
1224 gint i;
1225 guint u;
1226
1227 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1228 &w, &w, x, y, &i, &i, &u);
1229 }
This page took 0.091905 seconds and 4 git commands to generate.