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add .desktops for running Openbox, KDE/Openbox and GNOME/Openbox
[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 GSList *it;
303 guint i;
304
305 desktop_cycle_popup = pager_popup_new(FALSE);
306 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
307
308 if (!reconfig)
309 /* get the initial size */
310 screen_resize();
311
312 /* get the names */
313 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
314 net_desktop_names, utf8, &screen_desktop_names))
315 for (i = 0; screen_desktop_names[i]; ++i);
316 else
317 i = 0;
318 for (it = g_slist_nth(config_desktops_names, i); it;
319 it = g_slist_next(it), ++i)
320 {
321 screen_desktop_names = g_renew(gchar*, screen_desktop_names, i + 2);
322 screen_desktop_names[i+1] = NULL;
323 screen_desktop_names[i] = g_strdup(it->data);
324 }
325 /* then set the names */
326 PROP_SETSS(RootWindow(ob_display, ob_screen),
327 net_desktop_names, screen_desktop_names);
328 g_strfreev(screen_desktop_names);
329 screen_desktop_names = NULL;
330
331 if (!reconfig)
332 screen_num_desktops = 0;
333 screen_set_num_desktops(config_desktops_num);
334 if (!reconfig) {
335 guint32 d;
336 /* start on the current desktop when a wm was already running */
337 if (PROP_GET32(RootWindow(ob_display, ob_screen),
338 net_current_desktop, cardinal, &d) &&
339 d < screen_num_desktops)
340 {
341 screen_set_desktop(d, FALSE);
342 } else if (session_desktop >= 0)
343 screen_set_desktop(MIN((guint)session_desktop,
344 screen_num_desktops), FALSE);
345 else
346 screen_set_desktop(MIN(config_screen_firstdesk,
347 screen_num_desktops) - 1, FALSE);
348
349 /* don't start in showing-desktop mode */
350 screen_showing_desktop = FALSE;
351 PROP_SET32(RootWindow(ob_display, ob_screen),
352 net_showing_desktop, cardinal, screen_showing_desktop);
353
354 screen_update_layout();
355 }
356 }
357
358 void screen_shutdown(gboolean reconfig)
359 {
360 Rect **r;
361
362 pager_popup_free(desktop_cycle_popup);
363
364 if (!reconfig) {
365 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
366 NoEventMask);
367
368 /* we're not running here no more! */
369 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
370 /* not without us */
371 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
372 /* don't keep this mode */
373 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
374
375 XDestroyWindow(ob_display, screen_support_win);
376 }
377
378 g_strfreev(screen_desktop_names);
379 screen_desktop_names = NULL;
380 for (r = area; *r; ++r)
381 g_free(*r);
382 g_free(area);
383 area = NULL;
384 }
385
386 void screen_resize()
387 {
388 static gint oldw = 0, oldh = 0;
389 gint w, h;
390 GList *it;
391 gulong geometry[2];
392
393 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
394 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
395
396 if (w == oldw && h == oldh) return;
397
398 oldw = w; oldh = h;
399
400 /* Set the _NET_DESKTOP_GEOMETRY hint */
401 screen_physical_size.width = geometry[0] = w;
402 screen_physical_size.height = geometry[1] = h;
403 PROP_SETA32(RootWindow(ob_display, ob_screen),
404 net_desktop_geometry, cardinal, geometry, 2);
405
406 if (ob_state() == OB_STATE_STARTING)
407 return;
408
409 screen_update_areas();
410 dock_configure();
411
412 for (it = client_list; it; it = g_list_next(it))
413 client_move_onscreen(it->data, FALSE);
414 }
415
416 void screen_set_num_desktops(guint num)
417 {
418 guint old;
419 gulong *viewport;
420 GList *it;
421
422 g_assert(num > 0);
423
424 if (screen_num_desktops == num) return;
425
426 old = screen_num_desktops;
427 screen_num_desktops = num;
428 PROP_SET32(RootWindow(ob_display, ob_screen),
429 net_number_of_desktops, cardinal, num);
430
431 /* set the viewport hint */
432 viewport = g_new0(gulong, num * 2);
433 PROP_SETA32(RootWindow(ob_display, ob_screen),
434 net_desktop_viewport, cardinal, viewport, num * 2);
435 g_free(viewport);
436
437 /* the number of rows/columns will differ */
438 screen_update_layout();
439
440 /* move windows on desktops that will no longer exist! */
441 for (it = client_list; it; it = g_list_next(it)) {
442 ObClient *c = it->data;
443 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
444 client_set_desktop(c, num - 1, FALSE);
445 }
446
447 /* change our struts/area to match (after moving windows) */
448 screen_update_areas();
449
450 /* may be some unnamed desktops that we need to fill in with names
451 (after updating the areas so the popup can resize) */
452 screen_update_desktop_names();
453
454 /* change our desktop if we're on one that no longer exists! */
455 if (screen_desktop >= screen_num_desktops)
456 screen_set_desktop(num - 1, TRUE);
457 }
458
459 void screen_set_desktop(guint num, gboolean dofocus)
460 {
461 ObClient *c;
462 GList *it;
463 guint old;
464
465 g_assert(num < screen_num_desktops);
466
467 old = screen_desktop;
468 screen_desktop = num;
469 PROP_SET32(RootWindow(ob_display, ob_screen),
470 net_current_desktop, cardinal, num);
471
472 if (old == num) return;
473
474 screen_last_desktop = old;
475
476 ob_debug("Moving to desktop %d\n", num+1);
477
478 if (moveresize_client)
479 client_set_desktop(moveresize_client, num, TRUE);
480
481 /* show windows before hiding the rest to lessen the enter/leave events */
482
483 /* show/hide windows from top to bottom */
484 for (it = stacking_list; it; it = g_list_next(it)) {
485 if (WINDOW_IS_CLIENT(it->data)) {
486 ObClient *c = it->data;
487 client_show(c);
488 }
489 }
490
491 /* hide windows from bottom to top */
492 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
493 if (WINDOW_IS_CLIENT(it->data)) {
494 ObClient *c = it->data;
495 client_hide(c);
496 }
497 }
498
499 /* have to try focus here because when you leave an empty desktop
500 there is no focus out to watch for */
501 if (dofocus && (c = focus_fallback_target(TRUE, focus_client))) {
502 /* reduce flicker by hiliting now rather than waiting for the server
503 FocusIn event */
504 frame_adjust_focus(c->frame, TRUE);
505 client_focus(c);
506 }
507
508 event_ignore_queued_enters();
509
510 if (event_curtime != CurrentTime)
511 screen_desktop_user_time = event_curtime;
512 }
513
514 static void get_row_col(guint d, guint *r, guint *c)
515 {
516 switch (screen_desktop_layout.orientation) {
517 case OB_ORIENTATION_HORZ:
518 switch (screen_desktop_layout.start_corner) {
519 case OB_CORNER_TOPLEFT:
520 *r = d / screen_desktop_layout.columns;
521 *c = d % screen_desktop_layout.columns;
522 break;
523 case OB_CORNER_BOTTOMLEFT:
524 *r = screen_desktop_layout.rows - 1 -
525 d / screen_desktop_layout.columns;
526 *c = d % screen_desktop_layout.columns;
527 break;
528 case OB_CORNER_TOPRIGHT:
529 *r = d / screen_desktop_layout.columns;
530 *c = screen_desktop_layout.columns - 1 -
531 d % screen_desktop_layout.columns;
532 break;
533 case OB_CORNER_BOTTOMRIGHT:
534 *r = screen_desktop_layout.rows - 1 -
535 d / screen_desktop_layout.columns;
536 *c = screen_desktop_layout.columns - 1 -
537 d % screen_desktop_layout.columns;
538 break;
539 }
540 break;
541 case OB_ORIENTATION_VERT:
542 switch (screen_desktop_layout.start_corner) {
543 case OB_CORNER_TOPLEFT:
544 *r = d % screen_desktop_layout.rows;
545 *c = d / screen_desktop_layout.rows;
546 break;
547 case OB_CORNER_BOTTOMLEFT:
548 *r = screen_desktop_layout.rows - 1 -
549 d % screen_desktop_layout.rows;
550 *c = d / screen_desktop_layout.rows;
551 break;
552 case OB_CORNER_TOPRIGHT:
553 *r = d % screen_desktop_layout.rows;
554 *c = screen_desktop_layout.columns - 1 -
555 d / screen_desktop_layout.rows;
556 break;
557 case OB_CORNER_BOTTOMRIGHT:
558 *r = screen_desktop_layout.rows - 1 -
559 d % screen_desktop_layout.rows;
560 *c = screen_desktop_layout.columns - 1 -
561 d / screen_desktop_layout.rows;
562 break;
563 }
564 break;
565 }
566 }
567
568 static guint translate_row_col(guint r, guint c)
569 {
570 switch (screen_desktop_layout.orientation) {
571 case OB_ORIENTATION_HORZ:
572 switch (screen_desktop_layout.start_corner) {
573 case OB_CORNER_TOPLEFT:
574 return r % screen_desktop_layout.rows *
575 screen_desktop_layout.columns +
576 c % screen_desktop_layout.columns;
577 case OB_CORNER_BOTTOMLEFT:
578 return (screen_desktop_layout.rows - 1 -
579 r % screen_desktop_layout.rows) *
580 screen_desktop_layout.columns +
581 c % screen_desktop_layout.columns;
582 case OB_CORNER_TOPRIGHT:
583 return r % screen_desktop_layout.rows *
584 screen_desktop_layout.columns +
585 (screen_desktop_layout.columns - 1 -
586 c % screen_desktop_layout.columns);
587 case OB_CORNER_BOTTOMRIGHT:
588 return (screen_desktop_layout.rows - 1 -
589 r % screen_desktop_layout.rows) *
590 screen_desktop_layout.columns +
591 (screen_desktop_layout.columns - 1 -
592 c % screen_desktop_layout.columns);
593 }
594 case OB_ORIENTATION_VERT:
595 switch (screen_desktop_layout.start_corner) {
596 case OB_CORNER_TOPLEFT:
597 return c % screen_desktop_layout.columns *
598 screen_desktop_layout.rows +
599 r % screen_desktop_layout.rows;
600 case OB_CORNER_BOTTOMLEFT:
601 return c % screen_desktop_layout.columns *
602 screen_desktop_layout.rows +
603 (screen_desktop_layout.rows - 1 -
604 r % screen_desktop_layout.rows);
605 case OB_CORNER_TOPRIGHT:
606 return (screen_desktop_layout.columns - 1 -
607 c % screen_desktop_layout.columns) *
608 screen_desktop_layout.rows +
609 r % screen_desktop_layout.rows;
610 case OB_CORNER_BOTTOMRIGHT:
611 return (screen_desktop_layout.columns - 1 -
612 c % screen_desktop_layout.columns) *
613 screen_desktop_layout.rows +
614 (screen_desktop_layout.rows - 1 -
615 r % screen_desktop_layout.rows);
616 }
617 }
618 g_assert_not_reached();
619 return 0;
620 }
621
622 void screen_desktop_popup(guint d, gboolean show)
623 {
624 Rect *a;
625
626 if (!show) {
627 pager_popup_hide(desktop_cycle_popup);
628 } else {
629 a = screen_physical_area_monitor(0);
630 pager_popup_position(desktop_cycle_popup, CenterGravity,
631 a->x + a->width / 2, a->y + a->height / 2);
632 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
633 }
634 }
635
636 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
637 gboolean dialog, gboolean done, gboolean cancel)
638 {
639 static gboolean first = TRUE;
640 static guint origd, d;
641 guint r, c;
642
643 if (cancel) {
644 d = origd;
645 goto done_cycle;
646 } else if (done && dialog) {
647 goto done_cycle;
648 }
649 if (first) {
650 first = FALSE;
651 d = origd = screen_desktop;
652 }
653
654 get_row_col(d, &r, &c);
655
656 if (linear) {
657 switch (dir) {
658 case OB_DIRECTION_EAST:
659 if (d < screen_num_desktops - 1)
660 ++d;
661 else if (wrap)
662 d = 0;
663 break;
664 case OB_DIRECTION_WEST:
665 if (d > 0)
666 --d;
667 else if (wrap)
668 d = screen_num_desktops - 1;
669 break;
670 default:
671 assert(0);
672 return screen_desktop;
673 }
674 } else {
675 switch (dir) {
676 case OB_DIRECTION_EAST:
677 ++c;
678 if (c >= screen_desktop_layout.columns) {
679 if (wrap) {
680 c = 0;
681 } else {
682 d = screen_desktop;
683 goto show_cycle_dialog;
684 }
685 }
686 d = translate_row_col(r, c);
687 if (d >= screen_num_desktops) {
688 if (wrap) {
689 ++c;
690 } else {
691 d = screen_desktop;
692 goto show_cycle_dialog;
693 }
694 }
695 break;
696 case OB_DIRECTION_WEST:
697 --c;
698 if (c >= screen_desktop_layout.columns) {
699 if (wrap) {
700 c = screen_desktop_layout.columns - 1;
701 } else {
702 d = screen_desktop;
703 goto show_cycle_dialog;
704 }
705 }
706 d = translate_row_col(r, c);
707 if (d >= screen_num_desktops) {
708 if (wrap) {
709 --c;
710 } else {
711 d = screen_desktop;
712 goto show_cycle_dialog;
713 }
714 }
715 break;
716 case OB_DIRECTION_SOUTH:
717 ++r;
718 if (r >= screen_desktop_layout.rows) {
719 if (wrap) {
720 r = 0;
721 } else {
722 d = screen_desktop;
723 goto show_cycle_dialog;
724 }
725 }
726 d = translate_row_col(r, c);
727 if (d >= screen_num_desktops) {
728 if (wrap) {
729 ++r;
730 } else {
731 d = screen_desktop;
732 goto show_cycle_dialog;
733 }
734 }
735 break;
736 case OB_DIRECTION_NORTH:
737 --r;
738 if (r >= screen_desktop_layout.rows) {
739 if (wrap) {
740 r = screen_desktop_layout.rows - 1;
741 } else {
742 d = screen_desktop;
743 goto show_cycle_dialog;
744 }
745 }
746 d = translate_row_col(r, c);
747 if (d >= screen_num_desktops) {
748 if (wrap) {
749 --r;
750 } else {
751 d = screen_desktop;
752 goto show_cycle_dialog;
753 }
754 }
755 break;
756 default:
757 assert(0);
758 return d = screen_desktop;
759 }
760
761 d = translate_row_col(r, c);
762 }
763
764 show_cycle_dialog:
765 if (dialog) {
766 screen_desktop_popup(d, TRUE);
767 return d;
768 }
769
770 done_cycle:
771 first = TRUE;
772
773 screen_desktop_popup(0, FALSE);
774
775 return d;
776 }
777
778 void screen_update_layout()
779 {
780 ObOrientation orient;
781 ObCorner corner;
782 guint rows;
783 guint cols;
784 guint32 *data;
785 guint num;
786 gboolean valid = FALSE;
787
788 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
789 net_desktop_layout, cardinal, &data, &num)) {
790 if (num == 3 || num == 4) {
791
792 if (data[0] == prop_atoms.net_wm_orientation_vert)
793 orient = OB_ORIENTATION_VERT;
794 else if (data[0] == prop_atoms.net_wm_orientation_horz)
795 orient = OB_ORIENTATION_HORZ;
796 else
797 goto screen_update_layout_bail;
798
799 if (num < 4)
800 corner = OB_CORNER_TOPLEFT;
801 else {
802 if (data[3] == prop_atoms.net_wm_topleft)
803 corner = OB_CORNER_TOPLEFT;
804 else if (data[3] == prop_atoms.net_wm_topright)
805 corner = OB_CORNER_TOPRIGHT;
806 else if (data[3] == prop_atoms.net_wm_bottomright)
807 corner = OB_CORNER_BOTTOMRIGHT;
808 else if (data[3] == prop_atoms.net_wm_bottomleft)
809 corner = OB_CORNER_BOTTOMLEFT;
810 else
811 goto screen_update_layout_bail;
812 }
813
814 cols = data[1];
815 rows = data[2];
816
817 /* fill in a zero rows/columns */
818 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
819 goto screen_update_layout_bail;
820 } else {
821 if (cols == 0) {
822 cols = screen_num_desktops / rows;
823 if (rows * cols < screen_num_desktops)
824 cols++;
825 if (rows * cols >= screen_num_desktops + cols)
826 rows--;
827 } else if (rows == 0) {
828 rows = screen_num_desktops / cols;
829 if (cols * rows < screen_num_desktops)
830 rows++;
831 if (cols * rows >= screen_num_desktops + rows)
832 cols--;
833 }
834 }
835
836 /* bounds checking */
837 if (orient == OB_ORIENTATION_HORZ) {
838 cols = MIN(screen_num_desktops, cols);
839 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
840 cols = screen_num_desktops / rows +
841 !!(screen_num_desktops % rows);
842 } else {
843 rows = MIN(screen_num_desktops, rows);
844 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
845 rows = screen_num_desktops / cols +
846 !!(screen_num_desktops % cols);
847 }
848
849 valid = TRUE;
850 }
851 screen_update_layout_bail:
852 g_free(data);
853 }
854
855 if (!valid) {
856 /* defaults */
857 orient = OB_ORIENTATION_HORZ;
858 corner = OB_CORNER_TOPLEFT;
859 rows = 1;
860 cols = screen_num_desktops;
861 }
862
863 screen_desktop_layout.orientation = orient;
864 screen_desktop_layout.start_corner = corner;
865 screen_desktop_layout.rows = rows;
866 screen_desktop_layout.columns = cols;
867 }
868
869 void screen_update_desktop_names()
870 {
871 guint i;
872
873 /* empty the array */
874 g_strfreev(screen_desktop_names);
875 screen_desktop_names = NULL;
876
877 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
878 net_desktop_names, utf8, &screen_desktop_names))
879 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
880 else
881 i = 0;
882 if (i <= screen_num_desktops) {
883 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
884 screen_num_desktops + 1);
885 screen_desktop_names[screen_num_desktops] = NULL;
886 for (; i < screen_num_desktops; ++i)
887 screen_desktop_names[i] = g_strdup_printf("desktop %i", i + 1);
888 }
889
890 /* resize the pager for these names */
891 pager_popup_width_to_strings(desktop_cycle_popup,
892 screen_desktop_names,
893 screen_num_desktops,
894 MAX(screen_physical_area_monitor(0)->width/3,
895 POPUP_WIDTH));
896 }
897
898 void screen_show_desktop(gboolean show, gboolean restore_focus)
899 {
900 GList *it;
901
902 if (show == screen_showing_desktop) return; /* no change */
903
904 screen_showing_desktop = show;
905
906 if (show) {
907 /* bottom to top */
908 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
909 if (WINDOW_IS_CLIENT(it->data)) {
910 ObClient *client = it->data;
911 client_showhide(client);
912 }
913 }
914 } else {
915 /* top to bottom */
916 for (it = stacking_list; it; it = g_list_next(it)) {
917 if (WINDOW_IS_CLIENT(it->data)) {
918 ObClient *client = it->data;
919 client_showhide(client);
920 }
921 }
922 }
923
924 if (show) {
925 /* focus desktop */
926 for (it = focus_order; it; it = g_list_next(it)) {
927 ObClient *c = it->data;
928 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
929 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
930 client_focus(it->data))
931 break;
932 }
933 } else if (restore_focus) {
934 ObClient *c;
935
936 /* use NULL for the "old" argument because the desktop was focused
937 and we don't want to fallback to the desktop by default */
938 if ((c = focus_fallback_target(TRUE, NULL)))
939 client_focus(c);
940 }
941
942 show = !!show; /* make it boolean */
943 PROP_SET32(RootWindow(ob_display, ob_screen),
944 net_showing_desktop, cardinal, show);
945 }
946
947 void screen_install_colormap(ObClient *client, gboolean install)
948 {
949 if (client == NULL) {
950 if (install)
951 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
952 else
953 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
954 } else {
955 xerror_set_ignore(TRUE);
956 if (install) {
957 if (client->colormap != None)
958 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
959 } else
960 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
961 xerror_set_ignore(FALSE);
962 }
963 }
964
965 static inline void
966 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
967 gint edge, Strut *ret)
968 {
969 if (s->left &&
970 ((s->left_end <= s->left_start) ||
971 (RECT_TOP(*monitor_area) < s->left_end &&
972 RECT_BOTTOM(*monitor_area) > s->left_start)))
973 ret->left = MAX(ret->left, edge);
974 }
975
976 static inline void
977 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
978 gint edge, Strut *ret)
979 {
980 if (s->top &&
981 ((s->top_end <= s->top_start) ||
982 (RECT_LEFT(*monitor_area) < s->top_end &&
983 RECT_RIGHT(*monitor_area) > s->top_start)))
984 ret->top = MAX(ret->top, edge);
985 }
986
987 static inline void
988 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
989 gint edge, Strut *ret)
990 {
991 if (s->right &&
992 ((s->right_end <= s->right_start) ||
993 (RECT_TOP(*monitor_area) < s->right_end &&
994 RECT_BOTTOM(*monitor_area) > s->right_start)))
995 ret->right = MAX(ret->right, edge);
996 }
997
998 static inline void
999 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
1000 gint edge, Strut *ret)
1001 {
1002 if (s->bottom &&
1003 ((s->bottom_end <= s->bottom_start) ||
1004 (RECT_LEFT(*monitor_area) < s->bottom_end &&
1005 RECT_RIGHT(*monitor_area) > s->bottom_start)))
1006 ret->bottom = MAX(ret->bottom, edge);
1007 }
1008
1009 void screen_update_areas()
1010 {
1011 guint i, x;
1012 gulong *dims;
1013 GList *it;
1014 gint o;
1015
1016 g_free(monitor_area);
1017 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1018
1019 if (area) {
1020 for (i = 0; area[i]; ++i)
1021 g_free(area[i]);
1022 g_free(area);
1023 }
1024
1025 area = g_new(Rect*, screen_num_desktops + 2);
1026 for (i = 0; i < screen_num_desktops + 1; ++i)
1027 area[i] = g_new0(Rect, screen_num_monitors + 1);
1028 area[i] = NULL;
1029
1030 dims = g_new(gulong, 4 * screen_num_desktops);
1031
1032 for (i = 0; i < screen_num_desktops + 1; ++i) {
1033 Strut *struts;
1034 gint l, r, t, b;
1035
1036 struts = g_new0(Strut, screen_num_monitors);
1037
1038 /* calc the xinerama areas */
1039 for (x = 0; x < screen_num_monitors; ++x) {
1040 area[i][x] = monitor_area[x];
1041 if (x == 0) {
1042 l = monitor_area[x].x;
1043 t = monitor_area[x].y;
1044 r = monitor_area[x].x + monitor_area[x].width - 1;
1045 b = monitor_area[x].y + monitor_area[x].height - 1;
1046 } else {
1047 l = MIN(l, monitor_area[x].x);
1048 t = MIN(t, monitor_area[x].y);
1049 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1050 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1051 }
1052 }
1053 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1054
1055 /* apply the struts */
1056
1057 /* find the left-most xin heads, i do this in 2 loops :| */
1058 o = area[i][0].x;
1059 for (x = 1; x < screen_num_monitors; ++x)
1060 o = MIN(o, area[i][x].x);
1061
1062 for (x = 0; x < screen_num_monitors; ++x) {
1063 for (it = client_list; it; it = g_list_next(it)) {
1064 ObClient *c = it->data;
1065 screen_area_add_strut_left(&c->strut,
1066 &monitor_area[x],
1067 o + c->strut.left - area[i][x].x,
1068 &struts[x]);
1069 }
1070 screen_area_add_strut_left(&dock_strut,
1071 &monitor_area[x],
1072 o + dock_strut.left - area[i][x].x,
1073 &struts[x]);
1074
1075 area[i][x].x += struts[x].left;
1076 area[i][x].width -= struts[x].left;
1077 }
1078
1079 /* find the top-most xin heads, i do this in 2 loops :| */
1080 o = area[i][0].y;
1081 for (x = 1; x < screen_num_monitors; ++x)
1082 o = MIN(o, area[i][x].y);
1083
1084 for (x = 0; x < screen_num_monitors; ++x) {
1085 for (it = client_list; it; it = g_list_next(it)) {
1086 ObClient *c = it->data;
1087 screen_area_add_strut_top(&c->strut,
1088 &monitor_area[x],
1089 o + c->strut.top - area[i][x].y,
1090 &struts[x]);
1091 }
1092 screen_area_add_strut_top(&dock_strut,
1093 &monitor_area[x],
1094 o + dock_strut.top - area[i][x].y,
1095 &struts[x]);
1096
1097 area[i][x].y += struts[x].top;
1098 area[i][x].height -= struts[x].top;
1099 }
1100
1101 /* find the right-most xin heads, i do this in 2 loops :| */
1102 o = area[i][0].x + area[i][0].width - 1;
1103 for (x = 1; x < screen_num_monitors; ++x)
1104 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1105
1106 for (x = 0; x < screen_num_monitors; ++x) {
1107 for (it = client_list; it; it = g_list_next(it)) {
1108 ObClient *c = it->data;
1109 screen_area_add_strut_right(&c->strut,
1110 &monitor_area[x],
1111 (area[i][x].x +
1112 area[i][x].width - 1) -
1113 (o - c->strut.right),
1114 &struts[x]);
1115 }
1116 screen_area_add_strut_right(&dock_strut,
1117 &monitor_area[x],
1118 (area[i][x].x +
1119 area[i][x].width - 1) -
1120 (o - dock_strut.right),
1121 &struts[x]);
1122
1123 area[i][x].width -= struts[x].right;
1124 }
1125
1126 /* find the bottom-most xin heads, i do this in 2 loops :| */
1127 o = area[i][0].y + area[i][0].height - 1;
1128 for (x = 1; x < screen_num_monitors; ++x)
1129 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1130
1131 for (x = 0; x < screen_num_monitors; ++x) {
1132 for (it = client_list; it; it = g_list_next(it)) {
1133 ObClient *c = it->data;
1134 screen_area_add_strut_bottom(&c->strut,
1135 &monitor_area[x],
1136 (area[i][x].y +
1137 area[i][x].height - 1) - \
1138 (o - c->strut.bottom),
1139 &struts[x]);
1140 }
1141 screen_area_add_strut_bottom(&dock_strut,
1142 &monitor_area[x],
1143 (area[i][x].y +
1144 area[i][x].height - 1) - \
1145 (o - dock_strut.bottom),
1146 &struts[x]);
1147
1148 area[i][x].height -= struts[x].bottom;
1149 }
1150
1151 l = RECT_LEFT(area[i][0]);
1152 t = RECT_TOP(area[i][0]);
1153 r = RECT_RIGHT(area[i][0]);
1154 b = RECT_BOTTOM(area[i][0]);
1155 for (x = 1; x < screen_num_monitors; ++x) {
1156 l = MIN(l, RECT_LEFT(area[i][x]));
1157 t = MIN(l, RECT_TOP(area[i][x]));
1158 r = MAX(r, RECT_RIGHT(area[i][x]));
1159 b = MAX(b, RECT_BOTTOM(area[i][x]));
1160 }
1161 RECT_SET(area[i][screen_num_monitors], l, t,
1162 r - l + 1, b - t + 1);
1163
1164 /* XXX optimize when this is run? */
1165
1166 /* the area has changed, adjust all the maximized
1167 windows */
1168 for (it = client_list; it; it = g_list_next(it)) {
1169 ObClient *c = it->data;
1170 if (i < screen_num_desktops) {
1171 if (c->desktop == i)
1172 client_reconfigure(c);
1173 } else if (c->desktop == DESKTOP_ALL)
1174 client_reconfigure(c);
1175 }
1176 if (i < screen_num_desktops) {
1177 /* don't set these for the 'all desktops' area */
1178 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1179 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1180 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1181 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1182 }
1183
1184 g_free(struts);
1185 }
1186
1187 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1188 dims, 4 * screen_num_desktops);
1189
1190 g_free(dims);
1191 }
1192
1193 Rect *screen_area(guint desktop)
1194 {
1195 return screen_area_monitor(desktop, screen_num_monitors);
1196 }
1197
1198 Rect *screen_area_monitor(guint desktop, guint head)
1199 {
1200 if (head > screen_num_monitors)
1201 return NULL;
1202 if (desktop >= screen_num_desktops) {
1203 if (desktop == DESKTOP_ALL)
1204 return &area[screen_num_desktops][head];
1205 return NULL;
1206 }
1207 return &area[desktop][head];
1208 }
1209
1210 guint screen_find_monitor(Rect *search)
1211 {
1212 guint i;
1213 guint most = 0;
1214 guint mostv = 0;
1215
1216 for (i = 0; i < screen_num_monitors; ++i) {
1217 Rect *area = screen_physical_area_monitor(i);
1218 if (RECT_INTERSECTS_RECT(*area, *search)) {
1219 Rect r;
1220 guint v;
1221
1222 RECT_SET_INTERSECTION(r, *area, *search);
1223 v = r.width * r.height;
1224
1225 if (v > mostv) {
1226 mostv = v;
1227 most = i;
1228 }
1229 }
1230 }
1231 return most;
1232 }
1233
1234 Rect *screen_physical_area()
1235 {
1236 return screen_physical_area_monitor(screen_num_monitors);
1237 }
1238
1239 Rect *screen_physical_area_monitor(guint head)
1240 {
1241 if (head > screen_num_monitors)
1242 return NULL;
1243 return &monitor_area[head];
1244 }
1245
1246 void screen_set_root_cursor()
1247 {
1248 if (sn_app_starting())
1249 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1250 ob_cursor(OB_CURSOR_BUSY));
1251 else
1252 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1253 ob_cursor(OB_CURSOR_POINTER));
1254 }
1255
1256 gboolean screen_pointer_pos(gint *x, gint *y)
1257 {
1258 Window w;
1259 gint i;
1260 guint u;
1261
1262 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1263 &w, &w, x, y, &i, &i, &u);
1264 }
my patches for the openbox window manager
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