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fix a crash after reconfigure, the desktop names were not being re-set. so now they...
[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(const gchar *program_name)
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 XLowerWindow(ob_display, screen_support_win);
174
175 if (!replace_wm()) {
176 XDestroyWindow(ob_display, screen_support_win);
177 return FALSE;
178 }
179
180 xerror_set_ignore(TRUE);
181 xerror_occured = FALSE;
182 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
183 ROOT_EVENTMASK);
184 xerror_set_ignore(FALSE);
185 if (xerror_occured) {
186 g_message(_("A window manager is already running on screen %d"),
187 ob_screen);
188
189 XDestroyWindow(ob_display, screen_support_win);
190 return FALSE;
191 }
192
193
194 screen_set_root_cursor();
195
196 /* set the OPENBOX_PID hint */
197 pid = getpid();
198 PROP_SET32(RootWindow(ob_display, ob_screen),
199 openbox_pid, cardinal, pid);
200
201 /* set supporting window */
202 PROP_SET32(RootWindow(ob_display, ob_screen),
203 net_supporting_wm_check, window, screen_support_win);
204
205 /* set properties on the supporting window */
206 PROP_SETS(screen_support_win, net_wm_name, program_name);
207 PROP_SET32(screen_support_win, net_supporting_wm_check,
208 window, screen_support_win);
209
210 /* set the _NET_SUPPORTED_ATOMS hint */
211
212 /* this is all the atoms after net_supported in the prop_atoms struct */
213 prop_atoms_start = (Atom*)&prop_atoms;
214 wm_supported_pos = (Atom*)&(prop_atoms.net_supported);
215 num_support = sizeof(prop_atoms) / sizeof(Atom) -
216 (wm_supported_pos - prop_atoms_start) - 1;
217 i = 0;
218 supported = g_new(gulong, num_support);
219 supported[i++] = prop_atoms.net_supporting_wm_check;
220 supported[i++] = prop_atoms.net_wm_full_placement;
221 supported[i++] = prop_atoms.net_current_desktop;
222 supported[i++] = prop_atoms.net_number_of_desktops;
223 supported[i++] = prop_atoms.net_desktop_geometry;
224 supported[i++] = prop_atoms.net_desktop_viewport;
225 supported[i++] = prop_atoms.net_active_window;
226 supported[i++] = prop_atoms.net_workarea;
227 supported[i++] = prop_atoms.net_client_list;
228 supported[i++] = prop_atoms.net_client_list_stacking;
229 supported[i++] = prop_atoms.net_desktop_names;
230 supported[i++] = prop_atoms.net_close_window;
231 supported[i++] = prop_atoms.net_desktop_layout;
232 supported[i++] = prop_atoms.net_showing_desktop;
233 supported[i++] = prop_atoms.net_wm_name;
234 supported[i++] = prop_atoms.net_wm_visible_name;
235 supported[i++] = prop_atoms.net_wm_icon_name;
236 supported[i++] = prop_atoms.net_wm_visible_icon_name;
237 supported[i++] = prop_atoms.net_wm_desktop;
238 supported[i++] = prop_atoms.net_wm_strut;
239 supported[i++] = prop_atoms.net_wm_strut_partial;
240 supported[i++] = prop_atoms.net_wm_icon;
241 supported[i++] = prop_atoms.net_wm_icon_geometry;
242 supported[i++] = prop_atoms.net_wm_window_type;
243 supported[i++] = prop_atoms.net_wm_window_type_desktop;
244 supported[i++] = prop_atoms.net_wm_window_type_dock;
245 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
246 supported[i++] = prop_atoms.net_wm_window_type_menu;
247 supported[i++] = prop_atoms.net_wm_window_type_utility;
248 supported[i++] = prop_atoms.net_wm_window_type_splash;
249 supported[i++] = prop_atoms.net_wm_window_type_dialog;
250 supported[i++] = prop_atoms.net_wm_window_type_normal;
251 supported[i++] = prop_atoms.net_wm_allowed_actions;
252 supported[i++] = prop_atoms.net_wm_action_move;
253 supported[i++] = prop_atoms.net_wm_action_resize;
254 supported[i++] = prop_atoms.net_wm_action_minimize;
255 supported[i++] = prop_atoms.net_wm_action_shade;
256 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
257 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
258 supported[i++] = prop_atoms.net_wm_action_fullscreen;
259 supported[i++] = prop_atoms.net_wm_action_change_desktop;
260 supported[i++] = prop_atoms.net_wm_action_close;
261 supported[i++] = prop_atoms.net_wm_state;
262 supported[i++] = prop_atoms.net_wm_state_modal;
263 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
264 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
265 supported[i++] = prop_atoms.net_wm_state_shaded;
266 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
267 supported[i++] = prop_atoms.net_wm_state_skip_pager;
268 supported[i++] = prop_atoms.net_wm_state_hidden;
269 supported[i++] = prop_atoms.net_wm_state_fullscreen;
270 supported[i++] = prop_atoms.net_wm_state_above;
271 supported[i++] = prop_atoms.net_wm_state_below;
272 supported[i++] = prop_atoms.net_wm_state_demands_attention;
273 supported[i++] = prop_atoms.net_moveresize_window;
274 supported[i++] = prop_atoms.net_wm_moveresize;
275 supported[i++] = prop_atoms.net_wm_user_time;
276 supported[i++] = prop_atoms.net_frame_extents;
277 supported[i++] = prop_atoms.net_startup_id;
278 #ifdef SYNC
279 supported[i++] = prop_atoms.net_wm_sync_request;
280 supported[i++] = prop_atoms.net_wm_sync_request_counter;
281 #endif
282
283 supported[i++] = prop_atoms.kde_wm_change_state;
284 supported[i++] = prop_atoms.kde_net_wm_frame_strut;
285 supported[i++] = prop_atoms.kde_net_wm_window_type_override;
286
287 supported[i++] = prop_atoms.openbox_wm_state_undecorated;
288 supported[i++] = prop_atoms.openbox_pid;
289 supported[i++] = prop_atoms.openbox_config;
290 supported[i++] = prop_atoms.openbox_control;
291 g_assert(i == num_support);
292
293 PROP_SETA32(RootWindow(ob_display, ob_screen),
294 net_supported, atom, supported, num_support);
295 g_free(supported);
296
297 return TRUE;
298 }
299
300 void screen_startup(gboolean reconfig)
301 {
302 guint i, numnames;
303 gchar **names;
304 GSList *it;
305 guint32 d;
306
307 desktop_cycle_popup = pager_popup_new(FALSE);
308 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
309
310 if (reconfig)
311 return;
312
313 /* get the initial size */
314 screen_resize();
315
316 /* get the desktop names */
317 numnames = g_slist_length(config_desktops_names);
318 names = g_new(gchar*, numnames + 1);
319 names[numnames] = NULL;
320 for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
321 names[i] = g_strdup(it->data);
322
323 /* set the root window property */
324 PROP_SETSS(RootWindow(ob_display, ob_screen), net_desktop_names,names);
325
326 g_strfreev(names);
327
328 /* set the number of desktops */
329 screen_num_desktops = 0;
330 screen_set_num_desktops(config_desktops_num);
331
332 /* start on the current desktop when a wm was already running */
333 if (PROP_GET32(RootWindow(ob_display, ob_screen),
334 net_current_desktop, cardinal, &d) &&
335 d < screen_num_desktops)
336 {
337 screen_set_desktop(d, FALSE);
338 } else if (session_desktop >= 0)
339 screen_set_desktop(MIN((guint)session_desktop,
340 screen_num_desktops), FALSE);
341 else
342 screen_set_desktop(MIN(config_screen_firstdesk,
343 screen_num_desktops) - 1, FALSE);
344
345 /* don't start in showing-desktop mode */
346 screen_showing_desktop = FALSE;
347 PROP_SET32(RootWindow(ob_display, ob_screen),
348 net_showing_desktop, cardinal, screen_showing_desktop);
349
350 screen_update_layout();
351 }
352
353 void screen_shutdown(gboolean reconfig)
354 {
355 Rect **r;
356
357 pager_popup_free(desktop_cycle_popup);
358
359 if (reconfig)
360 return;
361
362 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
363 NoEventMask);
364
365 /* we're not running here no more! */
366 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
367 /* not without us */
368 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
369 /* don't keep this mode */
370 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
371
372 XDestroyWindow(ob_display, screen_support_win);
373
374 g_strfreev(screen_desktop_names);
375 screen_desktop_names = NULL;
376
377 for (r = area; *r; ++r)
378 g_free(*r);
379 g_free(area);
380 area = NULL;
381 }
382
383 void screen_resize()
384 {
385 static gint oldw = 0, oldh = 0;
386 gint w, h;
387 GList *it;
388 gulong geometry[2];
389
390 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
391 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
392
393 if (w == oldw && h == oldh) return;
394
395 oldw = w; oldh = h;
396
397 /* Set the _NET_DESKTOP_GEOMETRY hint */
398 screen_physical_size.width = geometry[0] = w;
399 screen_physical_size.height = geometry[1] = h;
400 PROP_SETA32(RootWindow(ob_display, ob_screen),
401 net_desktop_geometry, cardinal, geometry, 2);
402
403 if (ob_state() == OB_STATE_STARTING)
404 return;
405
406 screen_update_areas();
407 dock_configure();
408
409 for (it = client_list; it; it = g_list_next(it))
410 client_move_onscreen(it->data, FALSE);
411 }
412
413 void screen_set_num_desktops(guint num)
414 {
415 guint old;
416 gulong *viewport;
417 GList *it;
418
419 g_assert(num > 0);
420
421 if (screen_num_desktops == num) return;
422
423 old = screen_num_desktops;
424 screen_num_desktops = num;
425 PROP_SET32(RootWindow(ob_display, ob_screen),
426 net_number_of_desktops, cardinal, num);
427
428 /* set the viewport hint */
429 viewport = g_new0(gulong, num * 2);
430 PROP_SETA32(RootWindow(ob_display, ob_screen),
431 net_desktop_viewport, cardinal, viewport, num * 2);
432 g_free(viewport);
433
434 /* the number of rows/columns will differ */
435 screen_update_layout();
436
437 /* move windows on desktops that will no longer exist! */
438 for (it = client_list; it; it = g_list_next(it)) {
439 ObClient *c = it->data;
440 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
441 client_set_desktop(c, num - 1, FALSE);
442 }
443
444 /* change our struts/area to match (after moving windows) */
445 screen_update_areas();
446
447 /* may be some unnamed desktops that we need to fill in with names
448 (after updating the areas so the popup can resize) */
449 screen_update_desktop_names();
450
451 /* change our desktop if we're on one that no longer exists! */
452 if (screen_desktop >= screen_num_desktops)
453 screen_set_desktop(num - 1, TRUE);
454 }
455
456 void screen_set_desktop(guint num, gboolean dofocus)
457 {
458 ObClient *c;
459 GList *it;
460 guint old;
461
462 g_assert(num < screen_num_desktops);
463
464 old = screen_desktop;
465 screen_desktop = num;
466 PROP_SET32(RootWindow(ob_display, ob_screen),
467 net_current_desktop, cardinal, num);
468
469 if (old == num) return;
470
471 screen_last_desktop = old;
472
473 ob_debug("Moving to desktop %d\n", num+1);
474
475 if (moveresize_client)
476 client_set_desktop(moveresize_client, num, TRUE);
477
478 /* show windows before hiding the rest to lessen the enter/leave events */
479
480 /* show windows from top to bottom */
481 for (it = stacking_list; it; it = g_list_next(it)) {
482 if (WINDOW_IS_CLIENT(it->data)) {
483 ObClient *c = it->data;
484 client_show(c);
485 }
486 }
487
488 /* hide windows from bottom to top */
489 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
490 if (WINDOW_IS_CLIENT(it->data)) {
491 ObClient *c = it->data;
492 client_hide(c);
493 }
494 }
495
496 /* have to try focus here because when you leave an empty desktop
497 there is no focus out to watch for */
498 if (dofocus && (c = focus_fallback_target(TRUE, focus_client))) {
499 /* reduce flicker by hiliting now rather than waiting for the server
500 FocusIn event */
501 frame_adjust_focus(c->frame, TRUE);
502 client_focus(c);
503 }
504
505 event_ignore_queued_enters();
506
507 if (event_curtime != CurrentTime)
508 screen_desktop_user_time = event_curtime;
509 }
510
511 static void get_row_col(guint d, guint *r, guint *c)
512 {
513 switch (screen_desktop_layout.orientation) {
514 case OB_ORIENTATION_HORZ:
515 switch (screen_desktop_layout.start_corner) {
516 case OB_CORNER_TOPLEFT:
517 *r = d / screen_desktop_layout.columns;
518 *c = d % screen_desktop_layout.columns;
519 break;
520 case OB_CORNER_BOTTOMLEFT:
521 *r = screen_desktop_layout.rows - 1 -
522 d / screen_desktop_layout.columns;
523 *c = d % screen_desktop_layout.columns;
524 break;
525 case OB_CORNER_TOPRIGHT:
526 *r = d / screen_desktop_layout.columns;
527 *c = screen_desktop_layout.columns - 1 -
528 d % screen_desktop_layout.columns;
529 break;
530 case OB_CORNER_BOTTOMRIGHT:
531 *r = screen_desktop_layout.rows - 1 -
532 d / screen_desktop_layout.columns;
533 *c = screen_desktop_layout.columns - 1 -
534 d % screen_desktop_layout.columns;
535 break;
536 }
537 break;
538 case OB_ORIENTATION_VERT:
539 switch (screen_desktop_layout.start_corner) {
540 case OB_CORNER_TOPLEFT:
541 *r = d % screen_desktop_layout.rows;
542 *c = d / screen_desktop_layout.rows;
543 break;
544 case OB_CORNER_BOTTOMLEFT:
545 *r = screen_desktop_layout.rows - 1 -
546 d % screen_desktop_layout.rows;
547 *c = d / screen_desktop_layout.rows;
548 break;
549 case OB_CORNER_TOPRIGHT:
550 *r = d % screen_desktop_layout.rows;
551 *c = screen_desktop_layout.columns - 1 -
552 d / screen_desktop_layout.rows;
553 break;
554 case OB_CORNER_BOTTOMRIGHT:
555 *r = screen_desktop_layout.rows - 1 -
556 d % screen_desktop_layout.rows;
557 *c = screen_desktop_layout.columns - 1 -
558 d / screen_desktop_layout.rows;
559 break;
560 }
561 break;
562 }
563 }
564
565 static guint translate_row_col(guint r, guint c)
566 {
567 switch (screen_desktop_layout.orientation) {
568 case OB_ORIENTATION_HORZ:
569 switch (screen_desktop_layout.start_corner) {
570 case OB_CORNER_TOPLEFT:
571 return r % screen_desktop_layout.rows *
572 screen_desktop_layout.columns +
573 c % screen_desktop_layout.columns;
574 case OB_CORNER_BOTTOMLEFT:
575 return (screen_desktop_layout.rows - 1 -
576 r % screen_desktop_layout.rows) *
577 screen_desktop_layout.columns +
578 c % screen_desktop_layout.columns;
579 case OB_CORNER_TOPRIGHT:
580 return r % screen_desktop_layout.rows *
581 screen_desktop_layout.columns +
582 (screen_desktop_layout.columns - 1 -
583 c % screen_desktop_layout.columns);
584 case OB_CORNER_BOTTOMRIGHT:
585 return (screen_desktop_layout.rows - 1 -
586 r % screen_desktop_layout.rows) *
587 screen_desktop_layout.columns +
588 (screen_desktop_layout.columns - 1 -
589 c % screen_desktop_layout.columns);
590 }
591 case OB_ORIENTATION_VERT:
592 switch (screen_desktop_layout.start_corner) {
593 case OB_CORNER_TOPLEFT:
594 return c % screen_desktop_layout.columns *
595 screen_desktop_layout.rows +
596 r % screen_desktop_layout.rows;
597 case OB_CORNER_BOTTOMLEFT:
598 return c % screen_desktop_layout.columns *
599 screen_desktop_layout.rows +
600 (screen_desktop_layout.rows - 1 -
601 r % screen_desktop_layout.rows);
602 case OB_CORNER_TOPRIGHT:
603 return (screen_desktop_layout.columns - 1 -
604 c % screen_desktop_layout.columns) *
605 screen_desktop_layout.rows +
606 r % screen_desktop_layout.rows;
607 case OB_CORNER_BOTTOMRIGHT:
608 return (screen_desktop_layout.columns - 1 -
609 c % screen_desktop_layout.columns) *
610 screen_desktop_layout.rows +
611 (screen_desktop_layout.rows - 1 -
612 r % screen_desktop_layout.rows);
613 }
614 }
615 g_assert_not_reached();
616 return 0;
617 }
618
619 void screen_desktop_popup(guint d, gboolean show)
620 {
621 Rect *a;
622
623 if (!show) {
624 pager_popup_hide(desktop_cycle_popup);
625 } else {
626 a = screen_physical_area_monitor(0);
627 pager_popup_position(desktop_cycle_popup, CenterGravity,
628 a->x + a->width / 2, a->y + a->height / 2);
629 pager_popup_max_width(desktop_cycle_popup,
630 MAX(a->width/3, POPUP_WIDTH));
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_text_width_to_strings(desktop_cycle_popup,
891 screen_desktop_names,
892 screen_num_desktops);
893 }
894
895 void screen_show_desktop(gboolean show, gboolean restore_focus)
896 {
897 GList *it;
898
899 if (show == screen_showing_desktop) return; /* no change */
900
901 screen_showing_desktop = show;
902
903 if (show) {
904 /* bottom to top */
905 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
906 if (WINDOW_IS_CLIENT(it->data)) {
907 ObClient *client = it->data;
908 client_showhide(client);
909 }
910 }
911 } else {
912 /* top to bottom */
913 for (it = stacking_list; it; it = g_list_next(it)) {
914 if (WINDOW_IS_CLIENT(it->data)) {
915 ObClient *client = it->data;
916 client_showhide(client);
917 }
918 }
919 }
920
921 if (show) {
922 /* focus desktop */
923 for (it = focus_order; it; it = g_list_next(it)) {
924 ObClient *c = it->data;
925 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
926 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
927 client_focus(it->data))
928 break;
929 }
930 } else if (restore_focus) {
931 ObClient *c;
932
933 /* use NULL for the "old" argument because the desktop was focused
934 and we don't want to fallback to the desktop by default */
935 if ((c = focus_fallback_target(TRUE, NULL)))
936 client_focus(c);
937 }
938
939 show = !!show; /* make it boolean */
940 PROP_SET32(RootWindow(ob_display, ob_screen),
941 net_showing_desktop, cardinal, show);
942 }
943
944 void screen_install_colormap(ObClient *client, gboolean install)
945 {
946 if (client == NULL) {
947 if (install)
948 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
949 else
950 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
951 } else {
952 xerror_set_ignore(TRUE);
953 if (install) {
954 if (client->colormap != None)
955 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
956 } else
957 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
958 xerror_set_ignore(FALSE);
959 }
960 }
961
962 static inline void
963 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
964 gint edge, Strut *ret)
965 {
966 if (s->left &&
967 ((s->left_end <= s->left_start) ||
968 (RECT_TOP(*monitor_area) < s->left_end &&
969 RECT_BOTTOM(*monitor_area) > s->left_start)))
970 ret->left = MAX(ret->left, edge);
971 }
972
973 static inline void
974 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
975 gint edge, Strut *ret)
976 {
977 if (s->top &&
978 ((s->top_end <= s->top_start) ||
979 (RECT_LEFT(*monitor_area) < s->top_end &&
980 RECT_RIGHT(*monitor_area) > s->top_start)))
981 ret->top = MAX(ret->top, edge);
982 }
983
984 static inline void
985 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
986 gint edge, Strut *ret)
987 {
988 if (s->right &&
989 ((s->right_end <= s->right_start) ||
990 (RECT_TOP(*monitor_area) < s->right_end &&
991 RECT_BOTTOM(*monitor_area) > s->right_start)))
992 ret->right = MAX(ret->right, edge);
993 }
994
995 static inline void
996 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
997 gint edge, Strut *ret)
998 {
999 if (s->bottom &&
1000 ((s->bottom_end <= s->bottom_start) ||
1001 (RECT_LEFT(*monitor_area) < s->bottom_end &&
1002 RECT_RIGHT(*monitor_area) > s->bottom_start)))
1003 ret->bottom = MAX(ret->bottom, edge);
1004 }
1005
1006 void screen_update_areas()
1007 {
1008 guint i, x;
1009 gulong *dims;
1010 GList *it;
1011 gint o;
1012
1013 g_free(monitor_area);
1014 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1015
1016 if (area) {
1017 for (i = 0; area[i]; ++i)
1018 g_free(area[i]);
1019 g_free(area);
1020 }
1021
1022 area = g_new(Rect*, screen_num_desktops + 2);
1023 for (i = 0; i < screen_num_desktops + 1; ++i)
1024 area[i] = g_new0(Rect, screen_num_monitors + 1);
1025 area[i] = NULL;
1026
1027 dims = g_new(gulong, 4 * screen_num_desktops);
1028
1029 for (i = 0; i < screen_num_desktops + 1; ++i) {
1030 Strut *struts;
1031 gint l, r, t, b;
1032
1033 struts = g_new0(Strut, screen_num_monitors);
1034
1035 /* calc the xinerama areas */
1036 for (x = 0; x < screen_num_monitors; ++x) {
1037 area[i][x] = monitor_area[x];
1038 if (x == 0) {
1039 l = monitor_area[x].x;
1040 t = monitor_area[x].y;
1041 r = monitor_area[x].x + monitor_area[x].width - 1;
1042 b = monitor_area[x].y + monitor_area[x].height - 1;
1043 } else {
1044 l = MIN(l, monitor_area[x].x);
1045 t = MIN(t, monitor_area[x].y);
1046 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1047 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1048 }
1049 }
1050 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1051
1052 /* apply the struts */
1053
1054 /* find the left-most xin heads, i do this in 2 loops :| */
1055 o = area[i][0].x;
1056 for (x = 1; x < screen_num_monitors; ++x)
1057 o = MIN(o, area[i][x].x);
1058
1059 for (x = 0; x < screen_num_monitors; ++x) {
1060 for (it = client_list; it; it = g_list_next(it)) {
1061 ObClient *c = it->data;
1062 screen_area_add_strut_left(&c->strut,
1063 &monitor_area[x],
1064 o + c->strut.left - area[i][x].x,
1065 &struts[x]);
1066 }
1067 screen_area_add_strut_left(&dock_strut,
1068 &monitor_area[x],
1069 o + dock_strut.left - area[i][x].x,
1070 &struts[x]);
1071
1072 area[i][x].x += struts[x].left;
1073 area[i][x].width -= struts[x].left;
1074 }
1075
1076 /* find the top-most xin heads, i do this in 2 loops :| */
1077 o = area[i][0].y;
1078 for (x = 1; x < screen_num_monitors; ++x)
1079 o = MIN(o, area[i][x].y);
1080
1081 for (x = 0; x < screen_num_monitors; ++x) {
1082 for (it = client_list; it; it = g_list_next(it)) {
1083 ObClient *c = it->data;
1084 screen_area_add_strut_top(&c->strut,
1085 &monitor_area[x],
1086 o + c->strut.top - area[i][x].y,
1087 &struts[x]);
1088 }
1089 screen_area_add_strut_top(&dock_strut,
1090 &monitor_area[x],
1091 o + dock_strut.top - area[i][x].y,
1092 &struts[x]);
1093
1094 area[i][x].y += struts[x].top;
1095 area[i][x].height -= struts[x].top;
1096 }
1097
1098 /* find the right-most xin heads, i do this in 2 loops :| */
1099 o = area[i][0].x + area[i][0].width - 1;
1100 for (x = 1; x < screen_num_monitors; ++x)
1101 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1102
1103 for (x = 0; x < screen_num_monitors; ++x) {
1104 for (it = client_list; it; it = g_list_next(it)) {
1105 ObClient *c = it->data;
1106 screen_area_add_strut_right(&c->strut,
1107 &monitor_area[x],
1108 (area[i][x].x +
1109 area[i][x].width - 1) -
1110 (o - c->strut.right),
1111 &struts[x]);
1112 }
1113 screen_area_add_strut_right(&dock_strut,
1114 &monitor_area[x],
1115 (area[i][x].x +
1116 area[i][x].width - 1) -
1117 (o - dock_strut.right),
1118 &struts[x]);
1119
1120 area[i][x].width -= struts[x].right;
1121 }
1122
1123 /* find the bottom-most xin heads, i do this in 2 loops :| */
1124 o = area[i][0].y + area[i][0].height - 1;
1125 for (x = 1; x < screen_num_monitors; ++x)
1126 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1127
1128 for (x = 0; x < screen_num_monitors; ++x) {
1129 for (it = client_list; it; it = g_list_next(it)) {
1130 ObClient *c = it->data;
1131 screen_area_add_strut_bottom(&c->strut,
1132 &monitor_area[x],
1133 (area[i][x].y +
1134 area[i][x].height - 1) - \
1135 (o - c->strut.bottom),
1136 &struts[x]);
1137 }
1138 screen_area_add_strut_bottom(&dock_strut,
1139 &monitor_area[x],
1140 (area[i][x].y +
1141 area[i][x].height - 1) - \
1142 (o - dock_strut.bottom),
1143 &struts[x]);
1144
1145 area[i][x].height -= struts[x].bottom;
1146 }
1147
1148 l = RECT_LEFT(area[i][0]);
1149 t = RECT_TOP(area[i][0]);
1150 r = RECT_RIGHT(area[i][0]);
1151 b = RECT_BOTTOM(area[i][0]);
1152 for (x = 1; x < screen_num_monitors; ++x) {
1153 l = MIN(l, RECT_LEFT(area[i][x]));
1154 t = MIN(l, RECT_TOP(area[i][x]));
1155 r = MAX(r, RECT_RIGHT(area[i][x]));
1156 b = MAX(b, RECT_BOTTOM(area[i][x]));
1157 }
1158 RECT_SET(area[i][screen_num_monitors], l, t,
1159 r - l + 1, b - t + 1);
1160
1161 /* XXX optimize when this is run? */
1162
1163 /* the area has changed, adjust all the maximized
1164 windows */
1165 for (it = client_list; it; it = g_list_next(it)) {
1166 ObClient *c = it->data;
1167 if (i < screen_num_desktops) {
1168 if (c->desktop == i)
1169 client_reconfigure(c);
1170 } else if (c->desktop == DESKTOP_ALL)
1171 client_reconfigure(c);
1172 }
1173 if (i < screen_num_desktops) {
1174 /* don't set these for the 'all desktops' area */
1175 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1176 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1177 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1178 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1179 }
1180
1181 g_free(struts);
1182 }
1183
1184 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1185 dims, 4 * screen_num_desktops);
1186
1187 g_free(dims);
1188 }
1189
1190 Rect *screen_area(guint desktop)
1191 {
1192 return screen_area_monitor(desktop, screen_num_monitors);
1193 }
1194
1195 Rect *screen_area_monitor(guint desktop, guint head)
1196 {
1197 if (head > screen_num_monitors)
1198 return NULL;
1199 if (desktop >= screen_num_desktops) {
1200 if (desktop == DESKTOP_ALL)
1201 return &area[screen_num_desktops][head];
1202 return NULL;
1203 }
1204 return &area[desktop][head];
1205 }
1206
1207 guint screen_find_monitor(Rect *search)
1208 {
1209 guint i;
1210 guint most = 0;
1211 guint mostv = 0;
1212
1213 for (i = 0; i < screen_num_monitors; ++i) {
1214 Rect *area = screen_physical_area_monitor(i);
1215 if (RECT_INTERSECTS_RECT(*area, *search)) {
1216 Rect r;
1217 guint v;
1218
1219 RECT_SET_INTERSECTION(r, *area, *search);
1220 v = r.width * r.height;
1221
1222 if (v > mostv) {
1223 mostv = v;
1224 most = i;
1225 }
1226 }
1227 }
1228 return most;
1229 }
1230
1231 Rect *screen_physical_area()
1232 {
1233 return screen_physical_area_monitor(screen_num_monitors);
1234 }
1235
1236 Rect *screen_physical_area_monitor(guint head)
1237 {
1238 if (head > screen_num_monitors)
1239 return NULL;
1240 return &monitor_area[head];
1241 }
1242
1243 void screen_set_root_cursor()
1244 {
1245 if (sn_app_starting())
1246 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1247 ob_cursor(OB_CURSOR_BUSY));
1248 else
1249 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1250 ob_cursor(OB_CURSOR_POINTER));
1251 }
1252
1253 gboolean screen_pointer_pos(gint *x, gint *y)
1254 {
1255 Window w;
1256 gint i;
1257 guint u;
1258
1259 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1260 &w, &w, x, y, &i, &i, &u);
1261 }
my patches for the openbox window manager
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