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[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 "session.h"
32 #include "frame.h"
33 #include "event.h"
34 #include "focus.h"
35 #include "popup.h"
36 #include "extensions.h"
37 #include "render/render.h"
38 #include "gettext.h"
39
40 #include <X11/Xlib.h>
41 #ifdef HAVE_UNISTD_H
42 # include <sys/types.h>
43 # include <unistd.h>
44 #endif
45 #include <assert.h>
46
47 /*! The event mask to grab on the root window */
48 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
49 EnterWindowMask | LeaveWindowMask | \
50 SubstructureRedirectMask | FocusChangeMask | \
51 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
52
53 guint screen_num_desktops;
54 guint screen_num_monitors;
55 guint screen_desktop;
56 guint screen_last_desktop;
57 Size screen_physical_size;
58 gboolean screen_showing_desktop;
59 DesktopLayout screen_desktop_layout;
60 gchar **screen_desktop_names;
61 Window screen_support_win;
62 Time screen_desktop_user_time = CurrentTime;
63
64 static Rect **area; /* array of desktop holding array of xinerama areas */
65 static Rect *monitor_area;
66
67 static ObPagerPopup *desktop_cycle_popup;
68
69 static gboolean replace_wm()
70 {
71 gchar *wm_sn;
72 Atom wm_sn_atom;
73 Window current_wm_sn_owner;
74 Time timestamp;
75
76 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
77 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
78 g_free(wm_sn);
79
80 current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
81 if (current_wm_sn_owner == screen_support_win)
82 current_wm_sn_owner = None;
83 if (current_wm_sn_owner) {
84 if (!ob_replace_wm) {
85 g_message(_("A window manager is already running on screen %d"),
86 ob_screen);
87 return FALSE;
88 }
89 xerror_set_ignore(TRUE);
90 xerror_occured = FALSE;
91
92 /* We want to find out when the current selection owner dies */
93 XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
94 XSync(ob_display, FALSE);
95
96 xerror_set_ignore(FALSE);
97 if (xerror_occured)
98 current_wm_sn_owner = None;
99 }
100
101 {
102 /* Generate a timestamp */
103 XEvent event;
104
105 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
106
107 XChangeProperty(ob_display, screen_support_win,
108 prop_atoms.wm_class, prop_atoms.string,
109 8, PropModeAppend, NULL, 0);
110 XWindowEvent(ob_display, screen_support_win,
111 PropertyChangeMask, &event);
112
113 XSelectInput(ob_display, screen_support_win, NoEventMask);
114
115 timestamp = event.xproperty.time;
116 }
117
118 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
119 timestamp);
120
121 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
122 g_message(_("Could not acquire window manager selection on screen %d"),
123 ob_screen);
124 return FALSE;
125 }
126
127 /* Wait for old window manager to go away */
128 if (current_wm_sn_owner) {
129 XEvent event;
130 gulong wait = 0;
131 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
132
133 while (wait < timeout) {
134 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
135 StructureNotifyMask, &event) &&
136 event.type == DestroyNotify)
137 break;
138 g_usleep(G_USEC_PER_SEC / 10);
139 wait += G_USEC_PER_SEC / 10;
140 }
141
142 if (wait >= timeout) {
143 g_message(_("The WM on screen %d is not exiting"), ob_screen);
144 return FALSE;
145 }
146 }
147
148 /* Send client message indicating that we are now the WM */
149 prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
150 timestamp, wm_sn_atom, screen_support_win, 0,
151 SubstructureNotifyMask);
152
153 return TRUE;
154 }
155
156 gboolean screen_annex()
157 {
158 XSetWindowAttributes attrib;
159 pid_t pid;
160 gint i, num_support;
161 Atom *prop_atoms_start, *wm_supported_pos;
162 gulong *supported;
163
164 /* create the netwm support window */
165 attrib.override_redirect = TRUE;
166 screen_support_win = XCreateWindow(ob_display,
167 RootWindow(ob_display, ob_screen),
168 -100, -100, 1, 1, 0,
169 CopyFromParent, InputOutput,
170 CopyFromParent,
171 CWOverrideRedirect, &attrib);
172 XMapWindow(ob_display, screen_support_win);
173
174 if (!replace_wm()) {
175 XDestroyWindow(ob_display, screen_support_win);
176 return FALSE;
177 }
178
179 xerror_set_ignore(TRUE);
180 xerror_occured = FALSE;
181 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
182 ROOT_EVENTMASK);
183 xerror_set_ignore(FALSE);
184 if (xerror_occured) {
185 g_message(_("A window manager is already running on screen %d"),
186 ob_screen);
187
188 XDestroyWindow(ob_display, screen_support_win);
189 return FALSE;
190 }
191
192
193 screen_set_root_cursor();
194
195 /* set the OPENBOX_PID hint */
196 pid = getpid();
197 PROP_SET32(RootWindow(ob_display, ob_screen),
198 openbox_pid, cardinal, pid);
199
200 /* set supporting window */
201 PROP_SET32(RootWindow(ob_display, ob_screen),
202 net_supporting_wm_check, window, screen_support_win);
203
204 /* set properties on the supporting window */
205 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
206 PROP_SET32(screen_support_win, net_supporting_wm_check,
207 window, screen_support_win);
208
209 /* set the _NET_SUPPORTED_ATOMS hint */
210
211 /* this is all the atoms after net_supported in the prop_atoms struct */
212 prop_atoms_start = (Atom*)&prop_atoms;
213 wm_supported_pos = (Atom*)&(prop_atoms.net_supported);
214 num_support = sizeof(prop_atoms) / sizeof(Atom) -
215 (wm_supported_pos - prop_atoms_start) - 1;
216 i = 0;
217 supported = g_new(gulong, num_support);
218 supported[i++] = prop_atoms.net_supporting_wm_check;
219 supported[i++] = prop_atoms.net_wm_full_placement;
220 supported[i++] = prop_atoms.net_current_desktop;
221 supported[i++] = prop_atoms.net_number_of_desktops;
222 supported[i++] = prop_atoms.net_desktop_geometry;
223 supported[i++] = prop_atoms.net_desktop_viewport;
224 supported[i++] = prop_atoms.net_active_window;
225 supported[i++] = prop_atoms.net_workarea;
226 supported[i++] = prop_atoms.net_client_list;
227 supported[i++] = prop_atoms.net_client_list_stacking;
228 supported[i++] = prop_atoms.net_desktop_names;
229 supported[i++] = prop_atoms.net_close_window;
230 supported[i++] = prop_atoms.net_desktop_layout;
231 supported[i++] = prop_atoms.net_showing_desktop;
232 supported[i++] = prop_atoms.net_wm_name;
233 supported[i++] = prop_atoms.net_wm_visible_name;
234 supported[i++] = prop_atoms.net_wm_icon_name;
235 supported[i++] = prop_atoms.net_wm_visible_icon_name;
236 supported[i++] = prop_atoms.net_wm_desktop;
237 supported[i++] = prop_atoms.net_wm_strut;
238 supported[i++] = prop_atoms.net_wm_strut_partial;
239 supported[i++] = prop_atoms.net_wm_icon;
240 supported[i++] = prop_atoms.net_wm_icon_geometry;
241 supported[i++] = prop_atoms.net_wm_window_type;
242 supported[i++] = prop_atoms.net_wm_window_type_desktop;
243 supported[i++] = prop_atoms.net_wm_window_type_dock;
244 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
245 supported[i++] = prop_atoms.net_wm_window_type_menu;
246 supported[i++] = prop_atoms.net_wm_window_type_utility;
247 supported[i++] = prop_atoms.net_wm_window_type_splash;
248 supported[i++] = prop_atoms.net_wm_window_type_dialog;
249 supported[i++] = prop_atoms.net_wm_window_type_normal;
250 supported[i++] = prop_atoms.net_wm_allowed_actions;
251 supported[i++] = prop_atoms.net_wm_action_move;
252 supported[i++] = prop_atoms.net_wm_action_resize;
253 supported[i++] = prop_atoms.net_wm_action_minimize;
254 supported[i++] = prop_atoms.net_wm_action_shade;
255 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
256 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
257 supported[i++] = prop_atoms.net_wm_action_fullscreen;
258 supported[i++] = prop_atoms.net_wm_action_change_desktop;
259 supported[i++] = prop_atoms.net_wm_action_close;
260 supported[i++] = prop_atoms.net_wm_state;
261 supported[i++] = prop_atoms.net_wm_state_modal;
262 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
263 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
264 supported[i++] = prop_atoms.net_wm_state_shaded;
265 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
266 supported[i++] = prop_atoms.net_wm_state_skip_pager;
267 supported[i++] = prop_atoms.net_wm_state_hidden;
268 supported[i++] = prop_atoms.net_wm_state_fullscreen;
269 supported[i++] = prop_atoms.net_wm_state_above;
270 supported[i++] = prop_atoms.net_wm_state_below;
271 supported[i++] = prop_atoms.net_wm_state_demands_attention;
272 supported[i++] = prop_atoms.net_moveresize_window;
273 supported[i++] = prop_atoms.net_wm_moveresize;
274 supported[i++] = prop_atoms.net_wm_user_time;
275 supported[i++] = prop_atoms.net_frame_extents;
276 supported[i++] = prop_atoms.net_startup_id;
277 #ifdef SYNC
278 supported[i++] = prop_atoms.net_wm_sync_request;
279 supported[i++] = prop_atoms.net_wm_sync_request_counter;
280 #endif
281
282 supported[i++] = prop_atoms.kde_wm_change_state;
283 supported[i++] = prop_atoms.kde_net_wm_frame_strut;
284 supported[i++] = prop_atoms.kde_net_wm_window_type_override;
285
286 supported[i++] = prop_atoms.openbox_wm_state_undecorated;
287 supported[i++] = prop_atoms.openbox_pid;
288 supported[i++] = prop_atoms.openbox_config;
289 supported[i++] = prop_atoms.openbox_control;
290 g_assert(i == num_support);
291
292 PROP_SETA32(RootWindow(ob_display, ob_screen),
293 net_supported, atom, supported, num_support);
294 g_free(supported);
295
296 return TRUE;
297 }
298
299 void screen_startup(gboolean reconfig)
300 {
301 GSList *it;
302 guint i;
303
304 desktop_cycle_popup = pager_popup_new(FALSE);
305 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
306
307 if (!reconfig)
308 /* get the initial size */
309 screen_resize();
310
311 /* get the names */
312 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
313 net_desktop_names, utf8, &screen_desktop_names))
314 for (i = 0; screen_desktop_names[i]; ++i);
315 else
316 i = 0;
317 for (it = g_slist_nth(config_desktops_names, i); it;
318 it = g_slist_next(it), ++i)
319 {
320 screen_desktop_names = g_renew(gchar*, screen_desktop_names, i + 2);
321 screen_desktop_names[i+1] = NULL;
322 screen_desktop_names[i] = g_strdup(it->data);
323 }
324 /* then set the names */
325 PROP_SETSS(RootWindow(ob_display, ob_screen),
326 net_desktop_names, screen_desktop_names);
327 g_strfreev(screen_desktop_names);
328 screen_desktop_names = NULL;
329
330 if (!reconfig)
331 screen_num_desktops = 0;
332 screen_set_num_desktops(config_desktops_num);
333 if (!reconfig) {
334 guint32 d;
335 /* start on the current desktop when a wm was already running */
336 if (PROP_GET32(RootWindow(ob_display, ob_screen),
337 net_current_desktop, cardinal, &d) &&
338 d < screen_num_desktops)
339 {
340 screen_set_desktop(d, FALSE);
341 } else if (session_desktop >= 0)
342 screen_set_desktop(MIN((guint)session_desktop,
343 screen_num_desktops), FALSE);
344 else
345 screen_set_desktop(MIN(config_screen_firstdesk,
346 screen_num_desktops) - 1, FALSE);
347
348 /* don't start in showing-desktop mode */
349 screen_showing_desktop = FALSE;
350 PROP_SET32(RootWindow(ob_display, ob_screen),
351 net_showing_desktop, cardinal, screen_showing_desktop);
352
353 screen_update_layout();
354 }
355 }
356
357 void screen_shutdown(gboolean reconfig)
358 {
359 Rect **r;
360
361 pager_popup_free(desktop_cycle_popup);
362
363 if (!reconfig) {
364 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
365 NoEventMask);
366
367 /* we're not running here no more! */
368 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
369 /* not without us */
370 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
371 /* don't keep this mode */
372 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
373
374 XDestroyWindow(ob_display, screen_support_win);
375 }
376
377 g_strfreev(screen_desktop_names);
378 screen_desktop_names = NULL;
379 for (r = area; *r; ++r)
380 g_free(*r);
381 g_free(area);
382 area = NULL;
383 }
384
385 void screen_resize()
386 {
387 static gint oldw = 0, oldh = 0;
388 gint w, h;
389 GList *it;
390 gulong geometry[2];
391
392 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
393 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
394
395 if (w == oldw && h == oldh) return;
396
397 oldw = w; oldh = h;
398
399 /* Set the _NET_DESKTOP_GEOMETRY hint */
400 screen_physical_size.width = geometry[0] = w;
401 screen_physical_size.height = geometry[1] = h;
402 PROP_SETA32(RootWindow(ob_display, ob_screen),
403 net_desktop_geometry, cardinal, geometry, 2);
404
405 if (ob_state() == OB_STATE_STARTING)
406 return;
407
408 screen_update_areas();
409 dock_configure();
410
411 for (it = client_list; it; it = g_list_next(it))
412 client_move_onscreen(it->data, FALSE);
413 }
414
415 void screen_set_num_desktops(guint num)
416 {
417 guint old;
418 gulong *viewport;
419 GList *it;
420
421 g_assert(num > 0);
422
423 if (screen_num_desktops == num) return;
424
425 old = screen_num_desktops;
426 screen_num_desktops = num;
427 PROP_SET32(RootWindow(ob_display, ob_screen),
428 net_number_of_desktops, cardinal, num);
429
430 /* set the viewport hint */
431 viewport = g_new0(gulong, num * 2);
432 PROP_SETA32(RootWindow(ob_display, ob_screen),
433 net_desktop_viewport, cardinal, viewport, num * 2);
434 g_free(viewport);
435
436 /* the number of rows/columns will differ */
437 screen_update_layout();
438
439 /* move windows on desktops that will no longer exist! */
440 for (it = client_list; it; it = g_list_next(it)) {
441 ObClient *c = it->data;
442 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
443 client_set_desktop(c, num - 1, FALSE);
444 }
445
446 /* change our struts/area to match (after moving windows) */
447 screen_update_areas();
448
449 /* may be some unnamed desktops that we need to fill in with names
450 (after updating the areas so the popup can resize) */
451 screen_update_desktop_names();
452
453 /* change our desktop if we're on one that no longer exists! */
454 if (screen_desktop >= screen_num_desktops)
455 screen_set_desktop(num - 1, TRUE);
456 }
457
458 void screen_set_desktop(guint num, gboolean dofocus)
459 {
460 ObClient *c;
461 GList *it;
462 guint old;
463
464 g_assert(num < screen_num_desktops);
465
466 old = screen_desktop;
467 screen_desktop = num;
468 PROP_SET32(RootWindow(ob_display, ob_screen),
469 net_current_desktop, cardinal, num);
470
471 if (old == num) return;
472
473 screen_last_desktop = old;
474
475 ob_debug("Moving to desktop %d\n", num+1);
476
477 if (moveresize_client)
478 client_set_desktop(moveresize_client, num, TRUE);
479
480 /* show windows before hiding the rest to lessen the enter/leave events */
481
482 /* show/hide windows from top to bottom */
483 for (it = stacking_list; it; it = g_list_next(it)) {
484 if (WINDOW_IS_CLIENT(it->data)) {
485 ObClient *c = it->data;
486 client_show(c);
487 }
488 }
489
490 /* hide windows from bottom to top */
491 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
492 if (WINDOW_IS_CLIENT(it->data)) {
493 ObClient *c = it->data;
494 client_hide(c);
495 }
496 }
497
498 /* have to try focus here because when you leave an empty desktop
499 there is no focus out to watch for */
500 if (dofocus && (c = focus_fallback_target(TRUE, focus_client))) {
501 /* reduce flicker by hiliting now rather than waiting for the server
502 FocusIn event */
503 frame_adjust_focus(c->frame, TRUE);
504 client_focus(c);
505 }
506
507 event_ignore_queued_enters();
508
509 if (event_curtime != CurrentTime)
510 screen_desktop_user_time = event_curtime;
511 }
512
513 static void get_row_col(guint d, guint *r, guint *c)
514 {
515 switch (screen_desktop_layout.orientation) {
516 case OB_ORIENTATION_HORZ:
517 switch (screen_desktop_layout.start_corner) {
518 case OB_CORNER_TOPLEFT:
519 *r = d / screen_desktop_layout.columns;
520 *c = d % screen_desktop_layout.columns;
521 break;
522 case OB_CORNER_BOTTOMLEFT:
523 *r = screen_desktop_layout.rows - 1 -
524 d / screen_desktop_layout.columns;
525 *c = d % screen_desktop_layout.columns;
526 break;
527 case OB_CORNER_TOPRIGHT:
528 *r = d / screen_desktop_layout.columns;
529 *c = screen_desktop_layout.columns - 1 -
530 d % screen_desktop_layout.columns;
531 break;
532 case OB_CORNER_BOTTOMRIGHT:
533 *r = screen_desktop_layout.rows - 1 -
534 d / screen_desktop_layout.columns;
535 *c = screen_desktop_layout.columns - 1 -
536 d % screen_desktop_layout.columns;
537 break;
538 }
539 break;
540 case OB_ORIENTATION_VERT:
541 switch (screen_desktop_layout.start_corner) {
542 case OB_CORNER_TOPLEFT:
543 *r = d % screen_desktop_layout.rows;
544 *c = d / screen_desktop_layout.rows;
545 break;
546 case OB_CORNER_BOTTOMLEFT:
547 *r = screen_desktop_layout.rows - 1 -
548 d % screen_desktop_layout.rows;
549 *c = d / screen_desktop_layout.rows;
550 break;
551 case OB_CORNER_TOPRIGHT:
552 *r = d % screen_desktop_layout.rows;
553 *c = screen_desktop_layout.columns - 1 -
554 d / screen_desktop_layout.rows;
555 break;
556 case OB_CORNER_BOTTOMRIGHT:
557 *r = screen_desktop_layout.rows - 1 -
558 d % screen_desktop_layout.rows;
559 *c = screen_desktop_layout.columns - 1 -
560 d / screen_desktop_layout.rows;
561 break;
562 }
563 break;
564 }
565 }
566
567 static guint translate_row_col(guint r, guint c)
568 {
569 switch (screen_desktop_layout.orientation) {
570 case OB_ORIENTATION_HORZ:
571 switch (screen_desktop_layout.start_corner) {
572 case OB_CORNER_TOPLEFT:
573 return r % screen_desktop_layout.rows *
574 screen_desktop_layout.columns +
575 c % screen_desktop_layout.columns;
576 case OB_CORNER_BOTTOMLEFT:
577 return (screen_desktop_layout.rows - 1 -
578 r % screen_desktop_layout.rows) *
579 screen_desktop_layout.columns +
580 c % screen_desktop_layout.columns;
581 case OB_CORNER_TOPRIGHT:
582 return r % screen_desktop_layout.rows *
583 screen_desktop_layout.columns +
584 (screen_desktop_layout.columns - 1 -
585 c % screen_desktop_layout.columns);
586 case OB_CORNER_BOTTOMRIGHT:
587 return (screen_desktop_layout.rows - 1 -
588 r % screen_desktop_layout.rows) *
589 screen_desktop_layout.columns +
590 (screen_desktop_layout.columns - 1 -
591 c % screen_desktop_layout.columns);
592 }
593 case OB_ORIENTATION_VERT:
594 switch (screen_desktop_layout.start_corner) {
595 case OB_CORNER_TOPLEFT:
596 return c % screen_desktop_layout.columns *
597 screen_desktop_layout.rows +
598 r % screen_desktop_layout.rows;
599 case OB_CORNER_BOTTOMLEFT:
600 return c % screen_desktop_layout.columns *
601 screen_desktop_layout.rows +
602 (screen_desktop_layout.rows - 1 -
603 r % screen_desktop_layout.rows);
604 case OB_CORNER_TOPRIGHT:
605 return (screen_desktop_layout.columns - 1 -
606 c % screen_desktop_layout.columns) *
607 screen_desktop_layout.rows +
608 r % screen_desktop_layout.rows;
609 case OB_CORNER_BOTTOMRIGHT:
610 return (screen_desktop_layout.columns - 1 -
611 c % screen_desktop_layout.columns) *
612 screen_desktop_layout.rows +
613 (screen_desktop_layout.rows - 1 -
614 r % screen_desktop_layout.rows);
615 }
616 }
617 g_assert_not_reached();
618 return 0;
619 }
620
621 void screen_desktop_popup(guint d, gboolean show)
622 {
623 Rect *a;
624
625 if (!show) {
626 pager_popup_hide(desktop_cycle_popup);
627 } else {
628 a = screen_physical_area_monitor(0);
629 pager_popup_position(desktop_cycle_popup, CenterGravity,
630 a->x + a->width / 2, a->y + a->height / 2);
631 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
632 }
633 }
634
635 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
636 gboolean dialog, gboolean done, gboolean cancel)
637 {
638 static gboolean first = TRUE;
639 static guint origd, d;
640 guint r, c;
641
642 if (cancel) {
643 d = origd;
644 goto done_cycle;
645 } else if (done && dialog) {
646 goto done_cycle;
647 }
648 if (first) {
649 first = FALSE;
650 d = origd = screen_desktop;
651 }
652
653 get_row_col(d, &r, &c);
654
655 if (linear) {
656 switch (dir) {
657 case OB_DIRECTION_EAST:
658 if (d < screen_num_desktops - 1)
659 ++d;
660 else if (wrap)
661 d = 0;
662 break;
663 case OB_DIRECTION_WEST:
664 if (d > 0)
665 --d;
666 else if (wrap)
667 d = screen_num_desktops - 1;
668 break;
669 default:
670 assert(0);
671 return screen_desktop;
672 }
673 } else {
674 switch (dir) {
675 case OB_DIRECTION_EAST:
676 ++c;
677 if (c >= screen_desktop_layout.columns) {
678 if (wrap) {
679 c = 0;
680 } else {
681 d = screen_desktop;
682 goto show_cycle_dialog;
683 }
684 }
685 d = translate_row_col(r, c);
686 if (d >= screen_num_desktops) {
687 if (wrap) {
688 ++c;
689 } else {
690 d = screen_desktop;
691 goto show_cycle_dialog;
692 }
693 }
694 break;
695 case OB_DIRECTION_WEST:
696 --c;
697 if (c >= screen_desktop_layout.columns) {
698 if (wrap) {
699 c = screen_desktop_layout.columns - 1;
700 } else {
701 d = screen_desktop;
702 goto show_cycle_dialog;
703 }
704 }
705 d = translate_row_col(r, c);
706 if (d >= screen_num_desktops) {
707 if (wrap) {
708 --c;
709 } else {
710 d = screen_desktop;
711 goto show_cycle_dialog;
712 }
713 }
714 break;
715 case OB_DIRECTION_SOUTH:
716 ++r;
717 if (r >= screen_desktop_layout.rows) {
718 if (wrap) {
719 r = 0;
720 } else {
721 d = screen_desktop;
722 goto show_cycle_dialog;
723 }
724 }
725 d = translate_row_col(r, c);
726 if (d >= screen_num_desktops) {
727 if (wrap) {
728 ++r;
729 } else {
730 d = screen_desktop;
731 goto show_cycle_dialog;
732 }
733 }
734 break;
735 case OB_DIRECTION_NORTH:
736 --r;
737 if (r >= screen_desktop_layout.rows) {
738 if (wrap) {
739 r = screen_desktop_layout.rows - 1;
740 } else {
741 d = screen_desktop;
742 goto show_cycle_dialog;
743 }
744 }
745 d = translate_row_col(r, c);
746 if (d >= screen_num_desktops) {
747 if (wrap) {
748 --r;
749 } else {
750 d = screen_desktop;
751 goto show_cycle_dialog;
752 }
753 }
754 break;
755 default:
756 assert(0);
757 return d = screen_desktop;
758 }
759
760 d = translate_row_col(r, c);
761 }
762
763 show_cycle_dialog:
764 if (dialog) {
765 screen_desktop_popup(d, TRUE);
766 return d;
767 }
768
769 done_cycle:
770 first = TRUE;
771
772 screen_desktop_popup(0, FALSE);
773
774 return d;
775 }
776
777 void screen_update_layout()
778 {
779 ObOrientation orient;
780 ObCorner corner;
781 guint rows;
782 guint cols;
783 guint32 *data;
784 guint num;
785 gboolean valid = FALSE;
786
787 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
788 net_desktop_layout, cardinal, &data, &num)) {
789 if (num == 3 || num == 4) {
790
791 if (data[0] == prop_atoms.net_wm_orientation_vert)
792 orient = OB_ORIENTATION_VERT;
793 else if (data[0] == prop_atoms.net_wm_orientation_horz)
794 orient = OB_ORIENTATION_HORZ;
795 else
796 goto screen_update_layout_bail;
797
798 if (num < 4)
799 corner = OB_CORNER_TOPLEFT;
800 else {
801 if (data[3] == prop_atoms.net_wm_topleft)
802 corner = OB_CORNER_TOPLEFT;
803 else if (data[3] == prop_atoms.net_wm_topright)
804 corner = OB_CORNER_TOPRIGHT;
805 else if (data[3] == prop_atoms.net_wm_bottomright)
806 corner = OB_CORNER_BOTTOMRIGHT;
807 else if (data[3] == prop_atoms.net_wm_bottomleft)
808 corner = OB_CORNER_BOTTOMLEFT;
809 else
810 goto screen_update_layout_bail;
811 }
812
813 cols = data[1];
814 rows = data[2];
815
816 /* fill in a zero rows/columns */
817 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
818 goto screen_update_layout_bail;
819 } else {
820 if (cols == 0) {
821 cols = screen_num_desktops / rows;
822 if (rows * cols < screen_num_desktops)
823 cols++;
824 if (rows * cols >= screen_num_desktops + cols)
825 rows--;
826 } else if (rows == 0) {
827 rows = screen_num_desktops / cols;
828 if (cols * rows < screen_num_desktops)
829 rows++;
830 if (cols * rows >= screen_num_desktops + rows)
831 cols--;
832 }
833 }
834
835 /* bounds checking */
836 if (orient == OB_ORIENTATION_HORZ) {
837 cols = MIN(screen_num_desktops, cols);
838 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
839 cols = screen_num_desktops / rows +
840 !!(screen_num_desktops % rows);
841 } else {
842 rows = MIN(screen_num_desktops, rows);
843 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
844 rows = screen_num_desktops / cols +
845 !!(screen_num_desktops % cols);
846 }
847
848 valid = TRUE;
849 }
850 screen_update_layout_bail:
851 g_free(data);
852 }
853
854 if (!valid) {
855 /* defaults */
856 orient = OB_ORIENTATION_HORZ;
857 corner = OB_CORNER_TOPLEFT;
858 rows = 1;
859 cols = screen_num_desktops;
860 }
861
862 screen_desktop_layout.orientation = orient;
863 screen_desktop_layout.start_corner = corner;
864 screen_desktop_layout.rows = rows;
865 screen_desktop_layout.columns = cols;
866 }
867
868 void screen_update_desktop_names()
869 {
870 guint i;
871
872 /* empty the array */
873 g_strfreev(screen_desktop_names);
874 screen_desktop_names = NULL;
875
876 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
877 net_desktop_names, utf8, &screen_desktop_names))
878 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
879 else
880 i = 0;
881 if (i <= screen_num_desktops) {
882 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
883 screen_num_desktops + 1);
884 screen_desktop_names[screen_num_desktops] = NULL;
885 for (; i < screen_num_desktops; ++i)
886 screen_desktop_names[i] = g_strdup_printf("desktop %i", i + 1);
887 }
888
889 /* resize the pager for these names */
890 pager_popup_width_to_strings(desktop_cycle_popup,
891 screen_desktop_names,
892 screen_num_desktops,
893 MAX(screen_physical_area_monitor(0)->width/3,
894 POPUP_WIDTH));
895 }
896
897 void screen_show_desktop(gboolean show, gboolean restore_focus)
898 {
899 GList *it;
900
901 if (show == screen_showing_desktop) return; /* no change */
902
903 screen_showing_desktop = show;
904
905 if (show) {
906 /* bottom to top */
907 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
908 if (WINDOW_IS_CLIENT(it->data)) {
909 ObClient *client = it->data;
910 client_showhide(client);
911 }
912 }
913 } else {
914 /* top to bottom */
915 for (it = stacking_list; it; it = g_list_next(it)) {
916 if (WINDOW_IS_CLIENT(it->data)) {
917 ObClient *client = it->data;
918 client_showhide(client);
919 }
920 }
921 }
922
923 if (show) {
924 /* focus desktop */
925 for (it = focus_order; it; it = g_list_next(it)) {
926 ObClient *c = it->data;
927 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
928 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
929 client_focus(it->data))
930 break;
931 }
932 } else if (restore_focus) {
933 ObClient *c;
934
935 /* use NULL for the "old" argument because the desktop was focused
936 and we don't want to fallback to the desktop by default */
937 if ((c = focus_fallback_target(TRUE, NULL)))
938 client_focus(c);
939 }
940
941 show = !!show; /* make it boolean */
942 PROP_SET32(RootWindow(ob_display, ob_screen),
943 net_showing_desktop, cardinal, show);
944 }
945
946 void screen_install_colormap(ObClient *client, gboolean install)
947 {
948 if (client == NULL) {
949 if (install)
950 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
951 else
952 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
953 } else {
954 xerror_set_ignore(TRUE);
955 if (install) {
956 if (client->colormap != None)
957 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
958 } else
959 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
960 xerror_set_ignore(FALSE);
961 }
962 }
963
964 static inline void
965 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
966 gint edge, Strut *ret)
967 {
968 if (s->left &&
969 ((s->left_end <= s->left_start) ||
970 (RECT_TOP(*monitor_area) < s->left_end &&
971 RECT_BOTTOM(*monitor_area) > s->left_start)))
972 ret->left = MAX(ret->left, edge);
973 }
974
975 static inline void
976 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
977 gint edge, Strut *ret)
978 {
979 if (s->top &&
980 ((s->top_end <= s->top_start) ||
981 (RECT_LEFT(*monitor_area) < s->top_end &&
982 RECT_RIGHT(*monitor_area) > s->top_start)))
983 ret->top = MAX(ret->top, edge);
984 }
985
986 static inline void
987 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
988 gint edge, Strut *ret)
989 {
990 if (s->right &&
991 ((s->right_end <= s->right_start) ||
992 (RECT_TOP(*monitor_area) < s->right_end &&
993 RECT_BOTTOM(*monitor_area) > s->right_start)))
994 ret->right = MAX(ret->right, edge);
995 }
996
997 static inline void
998 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
999 gint edge, Strut *ret)
1000 {
1001 if (s->bottom &&
1002 ((s->bottom_end <= s->bottom_start) ||
1003 (RECT_LEFT(*monitor_area) < s->bottom_end &&
1004 RECT_RIGHT(*monitor_area) > s->bottom_start)))
1005 ret->bottom = MAX(ret->bottom, edge);
1006 }
1007
1008 void screen_update_areas()
1009 {
1010 guint i, x;
1011 gulong *dims;
1012 GList *it;
1013 gint o;
1014
1015 g_free(monitor_area);
1016 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1017
1018 if (area) {
1019 for (i = 0; area[i]; ++i)
1020 g_free(area[i]);
1021 g_free(area);
1022 }
1023
1024 area = g_new(Rect*, screen_num_desktops + 2);
1025 for (i = 0; i < screen_num_desktops + 1; ++i)
1026 area[i] = g_new0(Rect, screen_num_monitors + 1);
1027 area[i] = NULL;
1028
1029 dims = g_new(gulong, 4 * screen_num_desktops);
1030
1031 for (i = 0; i < screen_num_desktops + 1; ++i) {
1032 Strut *struts;
1033 gint l, r, t, b;
1034
1035 struts = g_new0(Strut, screen_num_monitors);
1036
1037 /* calc the xinerama areas */
1038 for (x = 0; x < screen_num_monitors; ++x) {
1039 area[i][x] = monitor_area[x];
1040 if (x == 0) {
1041 l = monitor_area[x].x;
1042 t = monitor_area[x].y;
1043 r = monitor_area[x].x + monitor_area[x].width - 1;
1044 b = monitor_area[x].y + monitor_area[x].height - 1;
1045 } else {
1046 l = MIN(l, monitor_area[x].x);
1047 t = MIN(t, monitor_area[x].y);
1048 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1049 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1050 }
1051 }
1052 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1053
1054 /* apply the struts */
1055
1056 /* find the left-most xin heads, i do this in 2 loops :| */
1057 o = area[i][0].x;
1058 for (x = 1; x < screen_num_monitors; ++x)
1059 o = MIN(o, area[i][x].x);
1060
1061 for (x = 0; x < screen_num_monitors; ++x) {
1062 for (it = client_list; it; it = g_list_next(it)) {
1063 ObClient *c = it->data;
1064 screen_area_add_strut_left(&c->strut,
1065 &monitor_area[x],
1066 o + c->strut.left - area[i][x].x,
1067 &struts[x]);
1068 }
1069 screen_area_add_strut_left(&dock_strut,
1070 &monitor_area[x],
1071 o + dock_strut.left - area[i][x].x,
1072 &struts[x]);
1073
1074 area[i][x].x += struts[x].left;
1075 area[i][x].width -= struts[x].left;
1076 }
1077
1078 /* find the top-most xin heads, i do this in 2 loops :| */
1079 o = area[i][0].y;
1080 for (x = 1; x < screen_num_monitors; ++x)
1081 o = MIN(o, area[i][x].y);
1082
1083 for (x = 0; x < screen_num_monitors; ++x) {
1084 for (it = client_list; it; it = g_list_next(it)) {
1085 ObClient *c = it->data;
1086 screen_area_add_strut_top(&c->strut,
1087 &monitor_area[x],
1088 o + c->strut.top - area[i][x].y,
1089 &struts[x]);
1090 }
1091 screen_area_add_strut_top(&dock_strut,
1092 &monitor_area[x],
1093 o + dock_strut.top - area[i][x].y,
1094 &struts[x]);
1095
1096 area[i][x].y += struts[x].top;
1097 area[i][x].height -= struts[x].top;
1098 }
1099
1100 /* find the right-most xin heads, i do this in 2 loops :| */
1101 o = area[i][0].x + area[i][0].width - 1;
1102 for (x = 1; x < screen_num_monitors; ++x)
1103 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1104
1105 for (x = 0; x < screen_num_monitors; ++x) {
1106 for (it = client_list; it; it = g_list_next(it)) {
1107 ObClient *c = it->data;
1108 screen_area_add_strut_right(&c->strut,
1109 &monitor_area[x],
1110 (area[i][x].x +
1111 area[i][x].width - 1) -
1112 (o - c->strut.right),
1113 &struts[x]);
1114 }
1115 screen_area_add_strut_right(&dock_strut,
1116 &monitor_area[x],
1117 (area[i][x].x +
1118 area[i][x].width - 1) -
1119 (o - dock_strut.right),
1120 &struts[x]);
1121
1122 area[i][x].width -= struts[x].right;
1123 }
1124
1125 /* find the bottom-most xin heads, i do this in 2 loops :| */
1126 o = area[i][0].y + area[i][0].height - 1;
1127 for (x = 1; x < screen_num_monitors; ++x)
1128 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1129
1130 for (x = 0; x < screen_num_monitors; ++x) {
1131 for (it = client_list; it; it = g_list_next(it)) {
1132 ObClient *c = it->data;
1133 screen_area_add_strut_bottom(&c->strut,
1134 &monitor_area[x],
1135 (area[i][x].y +
1136 area[i][x].height - 1) - \
1137 (o - c->strut.bottom),
1138 &struts[x]);
1139 }
1140 screen_area_add_strut_bottom(&dock_strut,
1141 &monitor_area[x],
1142 (area[i][x].y +
1143 area[i][x].height - 1) - \
1144 (o - dock_strut.bottom),
1145 &struts[x]);
1146
1147 area[i][x].height -= struts[x].bottom;
1148 }
1149
1150 l = RECT_LEFT(area[i][0]);
1151 t = RECT_TOP(area[i][0]);
1152 r = RECT_RIGHT(area[i][0]);
1153 b = RECT_BOTTOM(area[i][0]);
1154 for (x = 1; x < screen_num_monitors; ++x) {
1155 l = MIN(l, RECT_LEFT(area[i][x]));
1156 t = MIN(l, RECT_TOP(area[i][x]));
1157 r = MAX(r, RECT_RIGHT(area[i][x]));
1158 b = MAX(b, RECT_BOTTOM(area[i][x]));
1159 }
1160 RECT_SET(area[i][screen_num_monitors], l, t,
1161 r - l + 1, b - t + 1);
1162
1163 /* XXX optimize when this is run? */
1164
1165 /* the area has changed, adjust all the maximized
1166 windows */
1167 for (it = client_list; it; it = g_list_next(it)) {
1168 ObClient *c = it->data;
1169 if (i < screen_num_desktops) {
1170 if (c->desktop == i)
1171 client_reconfigure(c);
1172 } else if (c->desktop == DESKTOP_ALL)
1173 client_reconfigure(c);
1174 }
1175 if (i < screen_num_desktops) {
1176 /* don't set these for the 'all desktops' area */
1177 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1178 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1179 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1180 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1181 }
1182
1183 g_free(struts);
1184 }
1185
1186 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1187 dims, 4 * screen_num_desktops);
1188
1189 g_free(dims);
1190 }
1191
1192 Rect *screen_area(guint desktop)
1193 {
1194 return screen_area_monitor(desktop, screen_num_monitors);
1195 }
1196
1197 Rect *screen_area_monitor(guint desktop, guint head)
1198 {
1199 if (head > screen_num_monitors)
1200 return NULL;
1201 if (desktop >= screen_num_desktops) {
1202 if (desktop == DESKTOP_ALL)
1203 return &area[screen_num_desktops][head];
1204 return NULL;
1205 }
1206 return &area[desktop][head];
1207 }
1208
1209 guint screen_find_monitor(Rect *search)
1210 {
1211 guint i;
1212 guint most = 0;
1213 guint mostv = 0;
1214
1215 for (i = 0; i < screen_num_monitors; ++i) {
1216 Rect *area = screen_physical_area_monitor(i);
1217 if (RECT_INTERSECTS_RECT(*area, *search)) {
1218 Rect r;
1219 guint v;
1220
1221 RECT_SET_INTERSECTION(r, *area, *search);
1222 v = r.width * r.height;
1223
1224 if (v > mostv) {
1225 mostv = v;
1226 most = i;
1227 }
1228 }
1229 }
1230 return most;
1231 }
1232
1233 Rect *screen_physical_area()
1234 {
1235 return screen_physical_area_monitor(screen_num_monitors);
1236 }
1237
1238 Rect *screen_physical_area_monitor(guint head)
1239 {
1240 if (head > screen_num_monitors)
1241 return NULL;
1242 return &monitor_area[head];
1243 }
1244
1245 void screen_set_root_cursor()
1246 {
1247 if (sn_app_starting())
1248 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1249 ob_cursor(OB_CURSOR_BUSY));
1250 else
1251 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1252 ob_cursor(OB_CURSOR_POINTER));
1253 }
1254
1255 gboolean screen_pointer_pos(gint *x, gint *y)
1256 {
1257 Window w;
1258 gint i;
1259 guint u;
1260
1261 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1262 &w, &w, x, y, &i, &i, &u);
1263 }
my patches for the openbox window manager
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