]> Dogcows Code - chaz/openbox/blob - openbox/screen.c
add application opacity configuration
[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 "grab.h"
24 #include "startupnotify.h"
25 #include "moveresize.h"
26 #include "config.h"
27 #include "screen.h"
28 #include "client.h"
29 #include "session.h"
30 #include "frame.h"
31 #include "event.h"
32 #include "focus.h"
33 #include "focus_cycle.h"
34 #include "popup.h"
35 #include "version.h"
36 #include "obrender/render.h"
37 #include "gettext.h"
38 #include "obt/display.h"
39 #include "obt/xqueue.h"
40 #include "obt/prop.h"
41
42 #include <X11/Xlib.h>
43 #ifdef HAVE_UNISTD_H
44 # include <sys/types.h>
45 # include <unistd.h>
46 #endif
47 #include <assert.h>
48
49 /*! The event mask to grab on the root window */
50 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
51 EnterWindowMask | LeaveWindowMask | \
52 SubstructureRedirectMask | FocusChangeMask | \
53 ButtonPressMask | ButtonReleaseMask)
54
55 static gboolean screen_validate_layout(ObDesktopLayout *l);
56 static gboolean replace_wm(void);
57 static void screen_tell_ksplash(void);
58 static void screen_fallback_focus(void);
59
60 guint screen_num_desktops;
61 guint screen_num_monitors;
62 guint screen_desktop;
63 guint screen_last_desktop;
64 gboolean screen_showing_desktop;
65 ObDesktopLayout screen_desktop_layout;
66 gchar **screen_desktop_names;
67 Window screen_support_win;
68 Time screen_desktop_user_time = CurrentTime;
69
70 static Size screen_physical_size;
71 static guint screen_old_desktop;
72 static gboolean screen_desktop_timeout = TRUE;
73 static guint screen_desktop_timer = 0;
74 /*! An array of desktops, holding an array of areas per monitor */
75 static Rect *monitor_area = NULL;
76 /*! An array of desktops, holding an array of struts */
77 static GSList *struts_top = NULL;
78 static GSList *struts_left = NULL;
79 static GSList *struts_right = NULL;
80 static GSList *struts_bottom = NULL;
81
82 static ObPagerPopup *desktop_popup;
83 static guint desktop_popup_timer = 0;
84 static gboolean desktop_popup_perm;
85
86 /*! The number of microseconds that you need to be on a desktop before it will
87 replace the remembered "last desktop" */
88 #define REMEMBER_LAST_DESKTOP_TIME 750
89
90 static gboolean replace_wm(void)
91 {
92 gchar *wm_sn;
93 Atom wm_sn_atom;
94 Window current_wm_sn_owner;
95 Time timestamp;
96
97 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
98 wm_sn_atom = XInternAtom(obt_display, wm_sn, FALSE);
99 g_free(wm_sn);
100
101 current_wm_sn_owner = XGetSelectionOwner(obt_display, wm_sn_atom);
102 if (current_wm_sn_owner == screen_support_win)
103 current_wm_sn_owner = None;
104 if (current_wm_sn_owner) {
105 if (!ob_replace_wm) {
106 g_message(_("A window manager is already running on screen %d"),
107 ob_screen);
108 return FALSE;
109 }
110 obt_display_ignore_errors(TRUE);
111
112 /* We want to find out when the current selection owner dies */
113 XSelectInput(obt_display, current_wm_sn_owner, StructureNotifyMask);
114 XSync(obt_display, FALSE);
115
116 obt_display_ignore_errors(FALSE);
117 if (obt_display_error_occured)
118 current_wm_sn_owner = None;
119 }
120
121 timestamp = event_time();
122
123 XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
124 timestamp);
125
126 if (XGetSelectionOwner(obt_display, wm_sn_atom) != screen_support_win) {
127 g_message(_("Could not acquire window manager selection on screen %d"),
128 ob_screen);
129 return FALSE;
130 }
131
132 /* Wait for old window manager to go away */
133 if (current_wm_sn_owner) {
134 gulong wait = 0;
135 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
136 ObtXQueueWindowType wt;
137
138 wt.window = current_wm_sn_owner;
139 wt.type = DestroyNotify;
140
141 while (wait < timeout) {
142 /* Checks the local queue and incoming events for this event */
143 if (xqueue_exists_local(xqueue_match_window_type, &wt))
144 break;
145 g_usleep(G_USEC_PER_SEC / 10);
146 wait += G_USEC_PER_SEC / 10;
147 }
148
149 if (wait >= timeout) {
150 g_message(_("The WM on screen %d is not exiting"), ob_screen);
151 return FALSE;
152 }
153 }
154
155 /* Send client message indicating that we are now the WM */
156 obt_prop_message(ob_screen, obt_root(ob_screen), OBT_PROP_ATOM(MANAGER),
157 timestamp, wm_sn_atom, screen_support_win, 0, 0,
158 SubstructureNotifyMask);
159
160 return TRUE;
161 }
162
163 gboolean screen_annex(void)
164 {
165 XSetWindowAttributes attrib;
166 pid_t pid;
167 gint i, num_support;
168 gulong *supported;
169
170 /* create the netwm support window */
171 attrib.override_redirect = TRUE;
172 attrib.event_mask = PropertyChangeMask;
173 screen_support_win = XCreateWindow(obt_display, obt_root(ob_screen),
174 -100, -100, 1, 1, 0,
175 CopyFromParent, InputOutput,
176 CopyFromParent,
177 CWEventMask | CWOverrideRedirect,
178 &attrib);
179 XMapWindow(obt_display, screen_support_win);
180 XLowerWindow(obt_display, screen_support_win);
181
182 if (!replace_wm()) {
183 XDestroyWindow(obt_display, screen_support_win);
184 return FALSE;
185 }
186
187 obt_display_ignore_errors(TRUE);
188 XSelectInput(obt_display, obt_root(ob_screen), ROOT_EVENTMASK);
189 obt_display_ignore_errors(FALSE);
190 if (obt_display_error_occured) {
191 g_message(_("A window manager is already running on screen %d"),
192 ob_screen);
193
194 XDestroyWindow(obt_display, screen_support_win);
195 return FALSE;
196 }
197
198 screen_set_root_cursor();
199
200 /* set the OPENBOX_PID hint */
201 pid = getpid();
202 OBT_PROP_SET32(obt_root(ob_screen), OPENBOX_PID, CARDINAL, pid);
203
204 /* set supporting window */
205 OBT_PROP_SET32(obt_root(ob_screen),
206 NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
207
208 /* set properties on the supporting window */
209 OBT_PROP_SETS(screen_support_win, NET_WM_NAME, "Openbox");
210 OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
211 WINDOW, screen_support_win);
212
213 /* set the _NET_SUPPORTED_ATOMS hint */
214
215 /* this is all the atoms after NET_SUPPORTED in the ObtPropAtoms enum */
216 num_support = OBT_PROP_NUM_ATOMS - OBT_PROP_NET_SUPPORTED - 1;
217 i = 0;
218 supported = g_new(gulong, num_support);
219 supported[i++] = OBT_PROP_ATOM(NET_SUPPORTING_WM_CHECK);
220 supported[i++] = OBT_PROP_ATOM(NET_WM_FULL_PLACEMENT);
221 supported[i++] = OBT_PROP_ATOM(NET_CURRENT_DESKTOP);
222 supported[i++] = OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS);
223 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_GEOMETRY);
224 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_VIEWPORT);
225 supported[i++] = OBT_PROP_ATOM(NET_ACTIVE_WINDOW);
226 supported[i++] = OBT_PROP_ATOM(NET_WORKAREA);
227 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST);
228 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST_STACKING);
229 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_NAMES);
230 supported[i++] = OBT_PROP_ATOM(NET_CLOSE_WINDOW);
231 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_LAYOUT);
232 supported[i++] = OBT_PROP_ATOM(NET_SHOWING_DESKTOP);
233 supported[i++] = OBT_PROP_ATOM(NET_WM_NAME);
234 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_NAME);
235 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_NAME);
236 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_ICON_NAME);
237 supported[i++] = OBT_PROP_ATOM(NET_WM_DESKTOP);
238 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT);
239 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT_PARTIAL);
240 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON);
241 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_GEOMETRY);
242 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE);
243 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP);
244 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK);
245 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR);
246 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU);
247 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY);
248 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH);
249 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
250 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
251 supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
252 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_OPACITY);
253 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
254 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
255 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
256 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
257 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
258 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
259 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
260 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
261 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
262 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
263 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
264 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE);
265 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
266 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
267 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
268 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
269 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
270 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
271 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
272 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
273 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
274 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
275 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
276 supported[i++] = OBT_PROP_ATOM(NET_MOVERESIZE_WINDOW);
277 supported[i++] = OBT_PROP_ATOM(NET_WM_MOVERESIZE);
278 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME);
279 /*
280 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME_WINDOW);
281 */
282 supported[i++] = OBT_PROP_ATOM(NET_FRAME_EXTENTS);
283 supported[i++] = OBT_PROP_ATOM(NET_REQUEST_FRAME_EXTENTS);
284 supported[i++] = OBT_PROP_ATOM(NET_RESTACK_WINDOW);
285 supported[i++] = OBT_PROP_ATOM(NET_STARTUP_ID);
286 #ifdef SYNC
287 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST);
288 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST_COUNTER);
289 #endif
290 supported[i++] = OBT_PROP_ATOM(NET_WM_PID);
291 supported[i++] = OBT_PROP_ATOM(NET_WM_PING);
292
293 supported[i++] = OBT_PROP_ATOM(KDE_WM_CHANGE_STATE);
294 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_FRAME_STRUT);
295 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
296
297 supported[i++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
298 supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
299 supported[i++] = OBT_PROP_ATOM(OPENBOX_PID);
300 supported[i++] = OBT_PROP_ATOM(OB_THEME);
301 supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
302 supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
303 supported[i++] = OBT_PROP_ATOM(OB_VERSION);
304 supported[i++] = OBT_PROP_ATOM(OB_APP_ROLE);
305 supported[i++] = OBT_PROP_ATOM(OB_APP_TITLE);
306 supported[i++] = OBT_PROP_ATOM(OB_APP_NAME);
307 supported[i++] = OBT_PROP_ATOM(OB_APP_CLASS);
308 supported[i++] = OBT_PROP_ATOM(OB_APP_TYPE);
309 g_assert(i == num_support);
310
311 OBT_PROP_SETA32(obt_root(ob_screen),
312 NET_SUPPORTED, ATOM, supported, num_support);
313 g_free(supported);
314
315 OBT_PROP_SETS(RootWindow(obt_display, ob_screen), OB_VERSION,
316 OPENBOX_VERSION);
317
318 screen_tell_ksplash();
319
320 return TRUE;
321 }
322
323 static void screen_tell_ksplash(void)
324 {
325 XEvent e;
326 char **argv;
327
328 argv = g_new(gchar*, 6);
329 argv[0] = g_strdup("dcop");
330 argv[1] = g_strdup("ksplash");
331 argv[2] = g_strdup("ksplash");
332 argv[3] = g_strdup("upAndRunning(QString)");
333 argv[4] = g_strdup("wm started");
334 argv[5] = NULL;
335
336 /* tell ksplash through the dcop server command line interface */
337 g_spawn_async(NULL, argv, NULL,
338 G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
339 G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
340 NULL, NULL, NULL, NULL);
341 g_strfreev(argv);
342
343 /* i'm not sure why we do this, kwin does it, but ksplash doesn't seem to
344 hear it anyways. perhaps it is for old ksplash. or new ksplash. or
345 something. oh well. */
346 e.xclient.type = ClientMessage;
347 e.xclient.display = obt_display;
348 e.xclient.window = obt_root(ob_screen);
349 e.xclient.message_type =
350 XInternAtom(obt_display, "_KDE_SPLASH_PROGRESS", False);
351 e.xclient.format = 8;
352 strcpy(e.xclient.data.b, "wm started");
353 XSendEvent(obt_display, obt_root(ob_screen),
354 False, SubstructureNotifyMask, &e);
355 }
356
357 void screen_startup(gboolean reconfig)
358 {
359 gchar **names = NULL;
360 guint32 d;
361 gboolean namesexist = FALSE;
362
363 desktop_popup = pager_popup_new();
364 desktop_popup_perm = FALSE;
365 pager_popup_height(desktop_popup, POPUP_HEIGHT);
366
367 if (reconfig) {
368 /* update the pager popup's width */
369 pager_popup_text_width_to_strings(desktop_popup,
370 screen_desktop_names,
371 screen_num_desktops);
372 return;
373 }
374
375 /* get the initial size */
376 screen_resize();
377
378 /* have names already been set for the desktops? */
379 if (OBT_PROP_GETSS_UTF8(obt_root(ob_screen), NET_DESKTOP_NAMES, &names)) {
380 g_strfreev(names);
381 namesexist = TRUE;
382 }
383
384 /* if names don't exist and we have session names, set those.
385 do this stuff BEFORE setting the number of desktops, because that
386 will create default names for them
387 */
388 if (!namesexist && session_desktop_names != NULL) {
389 guint i, numnames;
390 GSList *it;
391
392 /* get the desktop names */
393 numnames = g_slist_length(session_desktop_names);
394 names = g_new(gchar*, numnames + 1);
395 names[numnames] = NULL;
396 for (i = 0, it = session_desktop_names; it; ++i, it = g_slist_next(it))
397 names[i] = g_strdup(it->data);
398
399 /* set the root window property */
400 OBT_PROP_SETSS(obt_root(ob_screen),
401 NET_DESKTOP_NAMES, (const gchar*const*)names);
402
403 g_strfreev(names);
404 }
405
406 /* set the number of desktops, if it's not already set.
407
408 this will also set the default names from the config file up for
409 desktops that don't have names yet */
410 screen_num_desktops = 0;
411 if (OBT_PROP_GET32(obt_root(ob_screen),
412 NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
413 {
414 if (d != config_desktops_num) {
415 /* TRANSLATORS: If you need to specify a different order of the
416 arguments, you can use %1$d for the first one and %2$d for the
417 second one. For example,
418 "The current session has %2$d desktops, but Openbox is configured for %1$d ..." */
419 g_warning(ngettext("Openbox is configured for %d desktop, but the current session has %d. Overriding the Openbox configuration.", "Openbox is configured for %d desktops, but the current session has %d. Overriding the Openbox configuration.", config_desktops_num),
420 config_desktops_num, d);
421 }
422 screen_set_num_desktops(d);
423 }
424 /* restore from session if possible */
425 else if (session_num_desktops)
426 screen_set_num_desktops(session_num_desktops);
427 else
428 screen_set_num_desktops(config_desktops_num);
429
430 screen_desktop = screen_num_desktops; /* something invalid */
431 /* start on the current desktop when a wm was already running */
432 if (OBT_PROP_GET32(obt_root(ob_screen),
433 NET_CURRENT_DESKTOP, CARDINAL, &d) &&
434 d < screen_num_desktops)
435 {
436 screen_set_desktop(d, FALSE);
437 } else if (session_desktop >= 0)
438 screen_set_desktop(MIN((guint)session_desktop,
439 screen_num_desktops), FALSE);
440 else
441 screen_set_desktop(MIN(config_screen_firstdesk,
442 screen_num_desktops) - 1, FALSE);
443 screen_last_desktop = screen_desktop;
444
445 /* don't start in showing-desktop mode */
446 screen_showing_desktop = FALSE;
447 OBT_PROP_SET32(obt_root(ob_screen),
448 NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop);
449
450 if (session_desktop_layout_present &&
451 screen_validate_layout(&session_desktop_layout))
452 {
453 screen_desktop_layout = session_desktop_layout;
454 }
455 else
456 screen_update_layout();
457 }
458
459 void screen_shutdown(gboolean reconfig)
460 {
461 pager_popup_free(desktop_popup);
462
463 if (reconfig)
464 return;
465
466 XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
467
468 /* we're not running here no more! */
469 OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
470 /* not without us */
471 OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
472 /* don't keep this mode */
473 OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
474
475 XDestroyWindow(obt_display, screen_support_win);
476
477 g_strfreev(screen_desktop_names);
478 screen_desktop_names = NULL;
479 }
480
481 void screen_resize(void)
482 {
483 gint w, h;
484 GList *it;
485 gulong geometry[2];
486
487 w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
488 h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
489
490 /* Set the _NET_DESKTOP_GEOMETRY hint */
491 screen_physical_size.width = geometry[0] = w;
492 screen_physical_size.height = geometry[1] = h;
493 OBT_PROP_SETA32(obt_root(ob_screen),
494 NET_DESKTOP_GEOMETRY, CARDINAL, geometry, 2);
495
496 if (ob_state() != OB_STATE_RUNNING)
497 return;
498
499 /* this calls screen_update_areas(), which we need ! */
500 dock_configure();
501
502 for (it = client_list; it; it = g_list_next(it)) {
503 client_move_onscreen(it->data, FALSE);
504 client_reconfigure(it->data, FALSE);
505 }
506 }
507
508 void screen_set_num_desktops(guint num)
509 {
510 gulong *viewport;
511 GList *it, *stacking_copy;
512
513 g_assert(num > 0);
514
515 if (screen_num_desktops == num) return;
516
517 screen_num_desktops = num;
518 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
519
520 /* set the viewport hint */
521 viewport = g_new0(gulong, num * 2);
522 OBT_PROP_SETA32(obt_root(ob_screen),
523 NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
524 g_free(viewport);
525
526 /* the number of rows/columns will differ */
527 screen_update_layout();
528
529 /* move windows on desktops that will no longer exist!
530 make a copy of the list cuz we're changing it */
531 stacking_copy = g_list_copy(stacking_list);
532 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
533 if (WINDOW_IS_CLIENT(it->data)) {
534 ObClient *c = it->data;
535 if (c->desktop != DESKTOP_ALL && c->desktop >= num)
536 client_set_desktop(c, num - 1, FALSE, TRUE);
537 /* raise all the windows that are on the current desktop which
538 is being merged */
539 else if (screen_desktop == num - 1 &&
540 (c->desktop == DESKTOP_ALL ||
541 c->desktop == screen_desktop))
542 stacking_raise(CLIENT_AS_WINDOW(c));
543 }
544 }
545 g_list_free(stacking_copy);
546
547 /* change our struts/area to match (after moving windows) */
548 screen_update_areas();
549
550 /* may be some unnamed desktops that we need to fill in with names
551 (after updating the areas so the popup can resize) */
552 screen_update_desktop_names();
553
554 /* change our desktop if we're on one that no longer exists! */
555 if (screen_desktop >= screen_num_desktops)
556 screen_set_desktop(num - 1, TRUE);
557 }
558
559 static void screen_fallback_focus(void)
560 {
561 ObClient *c;
562 gboolean allow_omni;
563
564 /* only allow omnipresent windows to get focus on desktop change if
565 an omnipresent window is already focused (it'll keep focus probably, but
566 maybe not depending on mouse-focus options) */
567 allow_omni = focus_client && (client_normal(focus_client) &&
568 focus_client->desktop == DESKTOP_ALL);
569
570 /* the client moved there already so don't move focus. prevent flicker
571 on sendtodesktop + follow */
572 if (focus_client && focus_client->desktop == screen_desktop)
573 return;
574
575 /* have to try focus here because when you leave an empty desktop
576 there is no focus out to watch for. also, we have different rules
577 here. we always allow it to look under the mouse pointer if
578 config_focus_last is FALSE
579
580 do this before hiding the windows so if helper windows are coming
581 with us, they don't get hidden
582 */
583 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
584 !allow_omni)))
585 {
586 /* only do the flicker reducing stuff ahead of time if we are going
587 to call xsetinputfocus on the window ourselves. otherwise there is
588 no guarantee the window will actually take focus.. */
589 if (c->can_focus) {
590 /* reduce flicker by hiliting now rather than waiting for the
591 server FocusIn event */
592 frame_adjust_focus(c->frame, TRUE);
593 /* do this here so that if you switch desktops to a window with
594 helper windows then the helper windows won't flash */
595 client_bring_helper_windows(c);
596 }
597 }
598 }
599
600 static gboolean last_desktop_func(gpointer data)
601 {
602 screen_desktop_timeout = TRUE;
603 screen_desktop_timer = 0;
604 return FALSE; /* don't repeat */
605 }
606
607 void screen_set_desktop(guint num, gboolean dofocus)
608 {
609 GList *it;
610 guint previous;
611 gulong ignore_start;
612
613 g_assert(num < screen_num_desktops);
614
615 previous = screen_desktop;
616 screen_desktop = num;
617
618 if (previous == num) return;
619
620 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
621
622 /* This whole thing decides when/how to save the screen_last_desktop so
623 that it can be restored later if you want */
624 if (screen_desktop_timeout) {
625 /* If screen_desktop_timeout is true, then we've been on this desktop
626 long enough and we can save it as the last desktop. */
627
628 if (screen_last_desktop == previous)
629 /* this is the startup state only */
630 screen_old_desktop = screen_desktop;
631 else {
632 /* save the "last desktop" as the "old desktop" */
633 screen_old_desktop = screen_last_desktop;
634 /* save the desktop we're coming from as the "last desktop" */
635 screen_last_desktop = previous;
636 }
637 }
638 else {
639 /* If screen_desktop_timeout is false, then we just got to this desktop
640 and we are moving away again. */
641
642 if (screen_desktop == screen_last_desktop) {
643 /* If we are moving to the "last desktop" .. */
644 if (previous == screen_old_desktop) {
645 /* .. from the "old desktop", change the last desktop to
646 be where we are coming from */
647 screen_last_desktop = screen_old_desktop;
648 }
649 else if (screen_last_desktop == screen_old_desktop) {
650 /* .. and also to the "old desktop", change the "last
651 desktop" to be where we are coming from */
652 screen_last_desktop = previous;
653 }
654 else {
655 /* .. from some other desktop, then set the "last desktop" to
656 be the saved "old desktop", i.e. where we were before the
657 "last desktop" */
658 screen_last_desktop = screen_old_desktop;
659 }
660 }
661 else {
662 /* If we are moving to any desktop besides the "last desktop"..
663 (this is the normal case) */
664 if (screen_desktop == screen_old_desktop) {
665 /* If moving to the "old desktop", which is not the
666 "last desktop", don't save anything */
667 }
668 else if (previous == screen_old_desktop) {
669 /* If moving from the "old desktop", and not to the
670 "last desktop", don't save anything */
671 }
672 else if (screen_last_desktop == screen_old_desktop) {
673 /* If the "last desktop" is the same as "old desktop" and
674 you're not moving to the "last desktop" then save where
675 we're coming from as the "last desktop" */
676 screen_last_desktop = previous;
677 }
678 else {
679 /* If the "last desktop" is different from the "old desktop"
680 and you're not moving to the "last desktop", then don't save
681 anything */
682 }
683 }
684 }
685 screen_desktop_timeout = FALSE;
686 if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
687 screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
688 last_desktop_func, NULL);
689
690 ob_debug("Moving to desktop %d", num+1);
691
692 if (ob_state() == OB_STATE_RUNNING)
693 screen_show_desktop_popup(screen_desktop, FALSE);
694
695 /* ignore enter events caused by the move */
696 ignore_start = event_start_ignore_all_enters();
697
698 if (moveresize_client)
699 client_set_desktop(moveresize_client, num, TRUE, FALSE);
700
701 /* show windows before hiding the rest to lessen the enter/leave events */
702
703 /* show windows from top to bottom */
704 for (it = stacking_list; it; it = g_list_next(it)) {
705 if (WINDOW_IS_CLIENT(it->data)) {
706 ObClient *c = it->data;
707 client_show(c);
708 }
709 }
710
711 if (dofocus) screen_fallback_focus();
712
713 /* hide windows from bottom to top */
714 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
715 if (WINDOW_IS_CLIENT(it->data)) {
716 ObClient *c = it->data;
717 if (client_hide(c)) {
718 if (c == focus_client) {
719 /* c was focused and we didn't do fallback clearly so make
720 sure openbox doesnt still consider the window focused.
721 this happens when using NextWindow with allDesktops,
722 since it doesnt want to move focus on desktop change,
723 but the focus is not going to stay with the current
724 window, which has now disappeared.
725 only do this if the client was actually hidden,
726 otherwise it can keep focus. */
727 focus_set_client(NULL);
728 }
729 }
730 }
731 }
732
733 focus_cycle_addremove(NULL, TRUE);
734
735 event_end_ignore_all_enters(ignore_start);
736
737 if (event_source_time() != CurrentTime)
738 screen_desktop_user_time = event_source_time();
739 }
740
741 void screen_add_desktop(gboolean current)
742 {
743 gulong ignore_start;
744
745 /* ignore enter events caused by this */
746 ignore_start = event_start_ignore_all_enters();
747
748 screen_set_num_desktops(screen_num_desktops+1);
749
750 /* move all the clients over */
751 if (current) {
752 GList *it;
753
754 for (it = client_list; it; it = g_list_next(it)) {
755 ObClient *c = it->data;
756 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
757 /* don't move direct children, they'll be moved with their
758 parent - which will have to be on the same desktop */
759 !client_direct_parent(c))
760 {
761 ob_debug("moving window %s", c->title);
762 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
763 }
764 }
765 }
766
767 event_end_ignore_all_enters(ignore_start);
768 }
769
770 void screen_remove_desktop(gboolean current)
771 {
772 guint rmdesktop, movedesktop;
773 GList *it, *stacking_copy;
774 gulong ignore_start;
775
776 if (screen_num_desktops <= 1) return;
777
778 /* ignore enter events caused by this */
779 ignore_start = event_start_ignore_all_enters();
780
781 /* what desktop are we removing and moving to? */
782 if (current)
783 rmdesktop = screen_desktop;
784 else
785 rmdesktop = screen_num_desktops - 1;
786 if (rmdesktop < screen_num_desktops - 1)
787 movedesktop = rmdesktop + 1;
788 else
789 movedesktop = rmdesktop;
790
791 /* make a copy of the list cuz we're changing it */
792 stacking_copy = g_list_copy(stacking_list);
793 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
794 if (WINDOW_IS_CLIENT(it->data)) {
795 ObClient *c = it->data;
796 guint d = c->desktop;
797 if (d != DESKTOP_ALL && d >= movedesktop &&
798 /* don't move direct children, they'll be moved with their
799 parent - which will have to be on the same desktop */
800 !client_direct_parent(c))
801 {
802 ob_debug("moving window %s", c->title);
803 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
804 }
805 /* raise all the windows that are on the current desktop which
806 is being merged */
807 if ((screen_desktop == rmdesktop - 1 ||
808 screen_desktop == rmdesktop) &&
809 (d == DESKTOP_ALL || d == screen_desktop))
810 {
811 stacking_raise(CLIENT_AS_WINDOW(c));
812 ob_debug("raising window %s", c->title);
813 }
814 }
815 }
816 g_list_free(stacking_copy);
817
818 /* fallback focus like we're changing desktops */
819 if (screen_desktop < screen_num_desktops - 1) {
820 screen_fallback_focus();
821 ob_debug("fake desktop change");
822 }
823
824 screen_set_num_desktops(screen_num_desktops-1);
825
826 event_end_ignore_all_enters(ignore_start);
827 }
828
829 static void get_row_col(guint d, guint *r, guint *c)
830 {
831 switch (screen_desktop_layout.orientation) {
832 case OB_ORIENTATION_HORZ:
833 switch (screen_desktop_layout.start_corner) {
834 case OB_CORNER_TOPLEFT:
835 *r = d / screen_desktop_layout.columns;
836 *c = d % screen_desktop_layout.columns;
837 break;
838 case OB_CORNER_BOTTOMLEFT:
839 *r = screen_desktop_layout.rows - 1 -
840 d / screen_desktop_layout.columns;
841 *c = d % screen_desktop_layout.columns;
842 break;
843 case OB_CORNER_TOPRIGHT:
844 *r = d / screen_desktop_layout.columns;
845 *c = screen_desktop_layout.columns - 1 -
846 d % screen_desktop_layout.columns;
847 break;
848 case OB_CORNER_BOTTOMRIGHT:
849 *r = screen_desktop_layout.rows - 1 -
850 d / screen_desktop_layout.columns;
851 *c = screen_desktop_layout.columns - 1 -
852 d % screen_desktop_layout.columns;
853 break;
854 }
855 break;
856 case OB_ORIENTATION_VERT:
857 switch (screen_desktop_layout.start_corner) {
858 case OB_CORNER_TOPLEFT:
859 *r = d % screen_desktop_layout.rows;
860 *c = d / screen_desktop_layout.rows;
861 break;
862 case OB_CORNER_BOTTOMLEFT:
863 *r = screen_desktop_layout.rows - 1 -
864 d % screen_desktop_layout.rows;
865 *c = d / screen_desktop_layout.rows;
866 break;
867 case OB_CORNER_TOPRIGHT:
868 *r = d % screen_desktop_layout.rows;
869 *c = screen_desktop_layout.columns - 1 -
870 d / screen_desktop_layout.rows;
871 break;
872 case OB_CORNER_BOTTOMRIGHT:
873 *r = screen_desktop_layout.rows - 1 -
874 d % screen_desktop_layout.rows;
875 *c = screen_desktop_layout.columns - 1 -
876 d / screen_desktop_layout.rows;
877 break;
878 }
879 break;
880 }
881 }
882
883 static guint translate_row_col(guint r, guint c)
884 {
885 switch (screen_desktop_layout.orientation) {
886 case OB_ORIENTATION_HORZ:
887 switch (screen_desktop_layout.start_corner) {
888 case OB_CORNER_TOPLEFT:
889 return r % screen_desktop_layout.rows *
890 screen_desktop_layout.columns +
891 c % screen_desktop_layout.columns;
892 case OB_CORNER_BOTTOMLEFT:
893 return (screen_desktop_layout.rows - 1 -
894 r % screen_desktop_layout.rows) *
895 screen_desktop_layout.columns +
896 c % screen_desktop_layout.columns;
897 case OB_CORNER_TOPRIGHT:
898 return r % screen_desktop_layout.rows *
899 screen_desktop_layout.columns +
900 (screen_desktop_layout.columns - 1 -
901 c % screen_desktop_layout.columns);
902 case OB_CORNER_BOTTOMRIGHT:
903 return (screen_desktop_layout.rows - 1 -
904 r % screen_desktop_layout.rows) *
905 screen_desktop_layout.columns +
906 (screen_desktop_layout.columns - 1 -
907 c % screen_desktop_layout.columns);
908 }
909 case OB_ORIENTATION_VERT:
910 switch (screen_desktop_layout.start_corner) {
911 case OB_CORNER_TOPLEFT:
912 return c % screen_desktop_layout.columns *
913 screen_desktop_layout.rows +
914 r % screen_desktop_layout.rows;
915 case OB_CORNER_BOTTOMLEFT:
916 return c % screen_desktop_layout.columns *
917 screen_desktop_layout.rows +
918 (screen_desktop_layout.rows - 1 -
919 r % screen_desktop_layout.rows);
920 case OB_CORNER_TOPRIGHT:
921 return (screen_desktop_layout.columns - 1 -
922 c % screen_desktop_layout.columns) *
923 screen_desktop_layout.rows +
924 r % screen_desktop_layout.rows;
925 case OB_CORNER_BOTTOMRIGHT:
926 return (screen_desktop_layout.columns - 1 -
927 c % screen_desktop_layout.columns) *
928 screen_desktop_layout.rows +
929 (screen_desktop_layout.rows - 1 -
930 r % screen_desktop_layout.rows);
931 }
932 }
933 g_assert_not_reached();
934 return 0;
935 }
936
937 static gboolean hide_desktop_popup_func(gpointer data)
938 {
939 pager_popup_hide(desktop_popup);
940 desktop_popup_timer = 0;
941 return FALSE; /* don't repeat */
942 }
943
944 void screen_show_desktop_popup(guint d, gboolean perm)
945 {
946 const Rect *a;
947
948 /* 0 means don't show the popup */
949 if (!config_desktop_popup_time) return;
950
951 a = screen_physical_area_primary(FALSE);
952 pager_popup_position(desktop_popup, CenterGravity,
953 a->x + a->width / 2, a->y + a->height / 2);
954 pager_popup_icon_size_multiplier(desktop_popup,
955 (screen_desktop_layout.columns /
956 screen_desktop_layout.rows) / 2,
957 (screen_desktop_layout.rows/
958 screen_desktop_layout.columns) / 2);
959 pager_popup_max_width(desktop_popup,
960 MAX(a->width/3, POPUP_WIDTH));
961 pager_popup_show(desktop_popup, screen_desktop_names[d], d);
962
963 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
964 desktop_popup_timer = 0;
965 if (!perm && !desktop_popup_perm)
966 /* only hide if its not already being show permanently */
967 desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
968 hide_desktop_popup_func,
969 desktop_popup);
970 if (perm)
971 desktop_popup_perm = TRUE;
972 }
973
974 void screen_hide_desktop_popup(void)
975 {
976 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
977 desktop_popup_timer = 0;
978 pager_popup_hide(desktop_popup);
979 desktop_popup_perm = FALSE;
980 }
981
982 guint screen_find_desktop(guint from, ObDirection dir,
983 gboolean wrap, gboolean linear)
984 {
985 guint r, c;
986 guint d;
987
988 d = from;
989 get_row_col(d, &r, &c);
990 if (linear) {
991 switch (dir) {
992 case OB_DIRECTION_EAST:
993 if (d < screen_num_desktops - 1)
994 ++d;
995 else if (wrap)
996 d = 0;
997 else
998 return from;
999 break;
1000 case OB_DIRECTION_WEST:
1001 if (d > 0)
1002 --d;
1003 else if (wrap)
1004 d = screen_num_desktops - 1;
1005 else
1006 return from;
1007 break;
1008 default:
1009 g_assert_not_reached();
1010 return from;
1011 }
1012 } else {
1013 switch (dir) {
1014 case OB_DIRECTION_EAST:
1015 ++c;
1016 if (c >= screen_desktop_layout.columns) {
1017 if (wrap)
1018 c = 0;
1019 else
1020 return from;
1021 }
1022 d = translate_row_col(r, c);
1023 if (d >= screen_num_desktops) {
1024 if (wrap)
1025 ++c;
1026 else
1027 return from;
1028 }
1029 break;
1030 case OB_DIRECTION_WEST:
1031 --c;
1032 if (c >= screen_desktop_layout.columns) {
1033 if (wrap)
1034 c = screen_desktop_layout.columns - 1;
1035 else
1036 return from;
1037 }
1038 d = translate_row_col(r, c);
1039 if (d >= screen_num_desktops) {
1040 if (wrap)
1041 --c;
1042 else
1043 return from;
1044 }
1045 break;
1046 case OB_DIRECTION_SOUTH:
1047 ++r;
1048 if (r >= screen_desktop_layout.rows) {
1049 if (wrap)
1050 r = 0;
1051 else
1052 return from;
1053 }
1054 d = translate_row_col(r, c);
1055 if (d >= screen_num_desktops) {
1056 if (wrap)
1057 ++r;
1058 else
1059 return from;
1060 }
1061 break;
1062 case OB_DIRECTION_NORTH:
1063 --r;
1064 if (r >= screen_desktop_layout.rows) {
1065 if (wrap)
1066 r = screen_desktop_layout.rows - 1;
1067 else
1068 return from;
1069 }
1070 d = translate_row_col(r, c);
1071 if (d >= screen_num_desktops) {
1072 if (wrap)
1073 --r;
1074 else
1075 return from;
1076 }
1077 break;
1078 default:
1079 g_assert_not_reached();
1080 return from;
1081 }
1082
1083 d = translate_row_col(r, c);
1084 }
1085 return d;
1086 }
1087
1088 static gboolean screen_validate_layout(ObDesktopLayout *l)
1089 {
1090 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1091 return FALSE;
1092
1093 /* fill in a zero rows/columns */
1094 if (l->columns == 0) {
1095 l->columns = screen_num_desktops / l->rows;
1096 if (l->rows * l->columns < screen_num_desktops)
1097 l->columns++;
1098 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1099 l->rows--;
1100 } else if (l->rows == 0) {
1101 l->rows = screen_num_desktops / l->columns;
1102 if (l->columns * l->rows < screen_num_desktops)
1103 l->rows++;
1104 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1105 l->columns--;
1106 }
1107
1108 /* bounds checking */
1109 if (l->orientation == OB_ORIENTATION_HORZ) {
1110 l->columns = MIN(screen_num_desktops, l->columns);
1111 l->rows = MIN(l->rows,
1112 (screen_num_desktops + l->columns - 1) / l->columns);
1113 l->columns = screen_num_desktops / l->rows +
1114 !!(screen_num_desktops % l->rows);
1115 } else {
1116 l->rows = MIN(screen_num_desktops, l->rows);
1117 l->columns = MIN(l->columns,
1118 (screen_num_desktops + l->rows - 1) / l->rows);
1119 l->rows = screen_num_desktops / l->columns +
1120 !!(screen_num_desktops % l->columns);
1121 }
1122 return TRUE;
1123 }
1124
1125 void screen_update_layout(void)
1126
1127 {
1128 ObDesktopLayout l;
1129 guint32 *data;
1130 guint num;
1131
1132 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1133 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1134 screen_desktop_layout.rows = 1;
1135 screen_desktop_layout.columns = screen_num_desktops;
1136
1137 if (OBT_PROP_GETA32(obt_root(ob_screen),
1138 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1139 if (num == 3 || num == 4) {
1140
1141 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1142 l.orientation = OB_ORIENTATION_VERT;
1143 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1144 l.orientation = OB_ORIENTATION_HORZ;
1145 else
1146 return;
1147
1148 if (num < 4)
1149 l.start_corner = OB_CORNER_TOPLEFT;
1150 else {
1151 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1152 l.start_corner = OB_CORNER_TOPLEFT;
1153 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1154 l.start_corner = OB_CORNER_TOPRIGHT;
1155 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1156 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1157 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1158 l.start_corner = OB_CORNER_BOTTOMLEFT;
1159 else
1160 return;
1161 }
1162
1163 l.columns = data[1];
1164 l.rows = data[2];
1165
1166 if (screen_validate_layout(&l))
1167 screen_desktop_layout = l;
1168
1169 g_free(data);
1170 }
1171 }
1172 }
1173
1174 void screen_update_desktop_names(void)
1175 {
1176 guint i;
1177
1178 /* empty the array */
1179 g_strfreev(screen_desktop_names);
1180 screen_desktop_names = NULL;
1181
1182 if (OBT_PROP_GETSS(obt_root(ob_screen),
1183 NET_DESKTOP_NAMES, &screen_desktop_names))
1184 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1185 else
1186 i = 0;
1187 if (i < screen_num_desktops) {
1188 GSList *it;
1189
1190 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1191 screen_num_desktops + 1);
1192 screen_desktop_names[screen_num_desktops] = NULL;
1193
1194 it = g_slist_nth(config_desktops_names, i);
1195
1196 for (; i < screen_num_desktops; ++i) {
1197 if (it && ((char*)it->data)[0]) /* not empty */
1198 /* use the names from the config file when possible */
1199 screen_desktop_names[i] = g_strdup(it->data);
1200 else
1201 /* make up a nice name if it's not though */
1202 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1203 i + 1);
1204 if (it) it = g_slist_next(it);
1205 }
1206
1207 /* if we changed any names, then set the root property so we can
1208 all agree on the names */
1209 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1210 (const gchar*const*)screen_desktop_names);
1211 }
1212
1213 /* resize the pager for these names */
1214 pager_popup_text_width_to_strings(desktop_popup,
1215 screen_desktop_names,
1216 screen_num_desktops);
1217 }
1218
1219 void screen_show_desktop(gboolean show, ObClient *show_only)
1220 {
1221 GList *it;
1222
1223 if (show == screen_showing_desktop) return; /* no change */
1224
1225 screen_showing_desktop = show;
1226
1227 if (show) {
1228 /* hide windows bottom to top */
1229 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1230 if (WINDOW_IS_CLIENT(it->data)) {
1231 ObClient *client = it->data;
1232 client_showhide(client);
1233 }
1234 }
1235 }
1236 else {
1237 /* restore windows top to bottom */
1238 for (it = stacking_list; it; it = g_list_next(it)) {
1239 if (WINDOW_IS_CLIENT(it->data)) {
1240 ObClient *client = it->data;
1241 if (client_should_show(client)) {
1242 if (!show_only || client == show_only)
1243 client_show(client);
1244 else
1245 client_iconify(client, TRUE, FALSE, TRUE);
1246 }
1247 }
1248 }
1249 }
1250
1251 if (show) {
1252 /* focus the desktop */
1253 for (it = focus_order; it; it = g_list_next(it)) {
1254 ObClient *c = it->data;
1255 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1256 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1257 client_focus(it->data))
1258 break;
1259 }
1260 }
1261 else if (!show_only) {
1262 ObClient *c;
1263
1264 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1265 /* only do the flicker reducing stuff ahead of time if we are going
1266 to call xsetinputfocus on the window ourselves. otherwise there
1267 is no guarantee the window will actually take focus.. */
1268 if (c->can_focus) {
1269 /* reduce flicker by hiliting now rather than waiting for the
1270 server FocusIn event */
1271 frame_adjust_focus(c->frame, TRUE);
1272 }
1273 }
1274 }
1275
1276 show = !!show; /* make it boolean */
1277 OBT_PROP_SET32(obt_root(ob_screen), NET_SHOWING_DESKTOP, CARDINAL, show);
1278 }
1279
1280 void screen_install_colormap(ObClient *client, gboolean install)
1281 {
1282 if (client == NULL || client->colormap == None) {
1283 if (install)
1284 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1285 else
1286 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1287 } else {
1288 obt_display_ignore_errors(TRUE);
1289 if (install)
1290 XInstallColormap(obt_display, client->colormap);
1291 else
1292 XUninstallColormap(obt_display, client->colormap);
1293 obt_display_ignore_errors(FALSE);
1294 }
1295 }
1296
1297 typedef struct {
1298 guint desktop;
1299 StrutPartial *strut;
1300 } ObScreenStrut;
1301
1302 #define RESET_STRUT_LIST(sl) \
1303 while (sl) { \
1304 g_slice_free(ObScreenStrut, (sl)->data); \
1305 sl = g_slist_delete_link(sl, sl); \
1306 }
1307
1308 #define ADD_STRUT_TO_LIST(sl, d, s) \
1309 { \
1310 ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
1311 ss->desktop = d; \
1312 ss->strut = s; \
1313 sl = g_slist_prepend(sl, ss); \
1314 }
1315
1316 #define VALIDATE_STRUTS(sl, side, max) \
1317 { \
1318 GSList *it; \
1319 for (it = sl; it; it = g_slist_next(it)) { \
1320 ObScreenStrut *ss = it->data; \
1321 ss->strut->side = MIN(max, ss->strut->side); \
1322 } \
1323 }
1324
1325 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1326 {
1327 guint i;
1328 gint n, l, r, t, b;
1329 #ifdef XINERAMA
1330 XineramaScreenInfo *info;
1331 #endif
1332
1333 if (ob_debug_xinerama) {
1334 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1335 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1336 *nxin = 2;
1337 *xin_areas = g_new(Rect, *nxin + 1);
1338 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1339 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1340 }
1341 #ifdef XINERAMA
1342 else if (obt_display_extension_xinerama &&
1343 (info = XineramaQueryScreens(obt_display, &n))) {
1344 *nxin = n;
1345 *xin_areas = g_new(Rect, *nxin + 1);
1346 for (i = 0; i < *nxin; ++i)
1347 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1348 info[i].width, info[i].height);
1349 XFree(info);
1350 }
1351 #endif
1352 else {
1353 *nxin = 1;
1354 *xin_areas = g_new(Rect, *nxin + 1);
1355 RECT_SET((*xin_areas)[0], 0, 0,
1356 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1357 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1358 }
1359
1360 /* returns one extra with the total area in it */
1361 l = (*xin_areas)[0].x;
1362 t = (*xin_areas)[0].y;
1363 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1364 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1365 for (i = 1; i < *nxin; ++i) {
1366 l = MIN(l, (*xin_areas)[i].x);
1367 t = MIN(l, (*xin_areas)[i].y);
1368 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1369 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1370 }
1371 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1372 }
1373
1374 void screen_update_areas(void)
1375 {
1376 guint i;
1377 gulong *dims;
1378 GList *it, *onscreen;
1379
1380 /* collect the clients that are on screen */
1381 onscreen = NULL;
1382 for (it = client_list; it; it = g_list_next(it)) {
1383 if (client_monitor(it->data) != screen_num_monitors)
1384 onscreen = g_list_prepend(onscreen, it->data);
1385 }
1386
1387 g_free(monitor_area);
1388 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1389
1390 /* set up the user-specified margins */
1391 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1392 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1393 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1394 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1395 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1396 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1397 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1398 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1399
1400 RESET_STRUT_LIST(struts_left);
1401 RESET_STRUT_LIST(struts_top);
1402 RESET_STRUT_LIST(struts_right);
1403 RESET_STRUT_LIST(struts_bottom);
1404
1405 /* collect the struts */
1406 for (it = client_list; it; it = g_list_next(it)) {
1407 ObClient *c = it->data;
1408 if (c->strut.left)
1409 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1410 if (c->strut.top)
1411 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1412 if (c->strut.right)
1413 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1414 if (c->strut.bottom)
1415 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1416 }
1417 if (dock_strut.left)
1418 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1419 if (dock_strut.top)
1420 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1421 if (dock_strut.right)
1422 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1423 if (dock_strut.bottom)
1424 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1425
1426 if (config_margins.left)
1427 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1428 if (config_margins.top)
1429 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1430 if (config_margins.right)
1431 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1432 if (config_margins.bottom)
1433 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1434
1435 VALIDATE_STRUTS(struts_left, left,
1436 monitor_area[screen_num_monitors].width / 2);
1437 VALIDATE_STRUTS(struts_right, right,
1438 monitor_area[screen_num_monitors].width / 2);
1439 VALIDATE_STRUTS(struts_top, top,
1440 monitor_area[screen_num_monitors].height / 2);
1441 VALIDATE_STRUTS(struts_bottom, bottom,
1442 monitor_area[screen_num_monitors].height / 2);
1443
1444 dims = g_new(gulong, 4 * screen_num_desktops);
1445 for (i = 0; i < screen_num_desktops; ++i) {
1446 Rect *area = screen_area(i, SCREEN_AREA_ALL_MONITORS, NULL);
1447 dims[i*4+0] = area->x;
1448 dims[i*4+1] = area->y;
1449 dims[i*4+2] = area->width;
1450 dims[i*4+3] = area->height;
1451 g_slice_free(Rect, area);
1452 }
1453
1454 /* set the legacy workarea hint to the union of all the monitors */
1455 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1456 dims, 4 * screen_num_desktops);
1457
1458 /* the area has changed, adjust all the windows if they need it */
1459 for (it = onscreen; it; it = g_list_next(it))
1460 client_reconfigure(it->data, FALSE);
1461
1462 g_free(dims);
1463 }
1464
1465 #if 0
1466 Rect* screen_area_all_monitors(guint desktop)
1467 {
1468 guint i;
1469 Rect *a;
1470
1471 a = screen_area_monitor(desktop, 0);
1472
1473 /* combine all the monitors together */
1474 for (i = 1; i < screen_num_monitors; ++i) {
1475 Rect *m = screen_area_monitor(desktop, i);
1476 gint l, r, t, b;
1477
1478 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1479 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1480 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1481 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1482
1483 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1484
1485 g_free(m);
1486 }
1487
1488 return a;
1489 }
1490 #endif
1491
1492 #define STRUT_LEFT_IN_SEARCH(s, search) \
1493 (RANGES_INTERSECT(search->y, search->height, \
1494 s->left_start, s->left_end - s->left_start + 1))
1495 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1496 (RANGES_INTERSECT(search->y, search->height, \
1497 s->right_start, s->right_end - s->right_start + 1))
1498 #define STRUT_TOP_IN_SEARCH(s, search) \
1499 (RANGES_INTERSECT(search->x, search->width, \
1500 s->top_start, s->top_end - s->top_start + 1))
1501 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1502 (RANGES_INTERSECT(search->x, search->width, \
1503 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1504
1505 #define STRUT_LEFT_IGNORE(s, us, search) \
1506 (head == SCREEN_AREA_ALL_MONITORS && us && \
1507 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1508 #define STRUT_RIGHT_IGNORE(s, us, search) \
1509 (head == SCREEN_AREA_ALL_MONITORS && us && \
1510 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1511 #define STRUT_TOP_IGNORE(s, us, search) \
1512 (head == SCREEN_AREA_ALL_MONITORS && us && \
1513 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1514 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1515 (head == SCREEN_AREA_ALL_MONITORS && us && \
1516 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1517
1518 Rect* screen_area(guint desktop, guint head, Rect *search)
1519 {
1520 Rect *a;
1521 GSList *it;
1522 gint l, r, t, b;
1523 guint i, d;
1524 gboolean us = search != NULL; /* user provided search */
1525
1526 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1527 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1528 head == SCREEN_AREA_ALL_MONITORS);
1529 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1530
1531 /* find any struts for this monitor
1532 which will be affecting the search area.
1533 */
1534
1535 /* search everything if search is null */
1536 if (!search) {
1537 if (head < screen_num_monitors) search = &monitor_area[head];
1538 else search = &monitor_area[screen_num_monitors];
1539 }
1540 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1541
1542 /* al is "all left" meaning the furthest left you can get, l is our
1543 "working left" meaning our current strut edge which we're calculating
1544 */
1545
1546 /* only include monitors which the search area lines up with */
1547 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1548 l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1549 t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1550 r = RECT_LEFT(monitor_area[screen_num_monitors]);
1551 b = RECT_TOP(monitor_area[screen_num_monitors]);
1552 for (i = 0; i < screen_num_monitors; ++i) {
1553 /* add the monitor if applicable */
1554 if (RANGES_INTERSECT(search->x, search->width,
1555 monitor_area[i].x, monitor_area[i].width))
1556 {
1557 t = MIN(t, RECT_TOP(monitor_area[i]));
1558 b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1559 }
1560 if (RANGES_INTERSECT(search->y, search->height,
1561 monitor_area[i].y, monitor_area[i].height))
1562 {
1563 l = MIN(l, RECT_LEFT(monitor_area[i]));
1564 r = MAX(r, RECT_RIGHT(monitor_area[i]));
1565 }
1566 }
1567 } else {
1568 l = RECT_LEFT(monitor_area[screen_num_monitors]);
1569 t = RECT_TOP(monitor_area[screen_num_monitors]);
1570 r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1571 b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1572 }
1573
1574 for (d = 0; d < screen_num_desktops; ++d) {
1575 if (d != desktop && desktop != DESKTOP_ALL) continue;
1576
1577 for (i = 0; i < screen_num_monitors; ++i) {
1578 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1579
1580 for (it = struts_left; it; it = g_slist_next(it)) {
1581 ObScreenStrut *s = it->data;
1582 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1583 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1584 !STRUT_LEFT_IGNORE(s->strut, us, search))
1585 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1586 + s->strut->left);
1587 }
1588 for (it = struts_top; it; it = g_slist_next(it)) {
1589 ObScreenStrut *s = it->data;
1590 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1591 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1592 !STRUT_TOP_IGNORE(s->strut, us, search))
1593 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1594 + s->strut->top);
1595 }
1596 for (it = struts_right; it; it = g_slist_next(it)) {
1597 ObScreenStrut *s = it->data;
1598 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1599 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1600 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1601 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1602 - s->strut->right);
1603 }
1604 for (it = struts_bottom; it; it = g_slist_next(it)) {
1605 ObScreenStrut *s = it->data;
1606 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1607 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1608 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1609 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1610 - s->strut->bottom);
1611 }
1612
1613 /* limit to this monitor */
1614 if (head == i) {
1615 l = MAX(l, RECT_LEFT(monitor_area[i]));
1616 t = MAX(t, RECT_TOP(monitor_area[i]));
1617 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1618 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1619 }
1620 }
1621 }
1622
1623 a = g_slice_new(Rect);
1624 a->x = l;
1625 a->y = t;
1626 a->width = r - l + 1;
1627 a->height = b - t + 1;
1628 return a;
1629 }
1630
1631 guint screen_find_monitor(const Rect *search)
1632 {
1633 guint i;
1634 guint most = screen_num_monitors;
1635 guint mostv = 0;
1636
1637 for (i = 0; i < screen_num_monitors; ++i) {
1638 const Rect *area = screen_physical_area_monitor(i);
1639 if (RECT_INTERSECTS_RECT(*area, *search)) {
1640 Rect r;
1641 guint v;
1642
1643 RECT_SET_INTERSECTION(r, *area, *search);
1644 v = r.width * r.height;
1645
1646 if (v > mostv) {
1647 mostv = v;
1648 most = i;
1649 }
1650 }
1651 }
1652 return most < screen_num_monitors ? most : screen_monitor_primary(FALSE);
1653 }
1654
1655 const Rect* screen_physical_area_all_monitors(void)
1656 {
1657 return screen_physical_area_monitor(screen_num_monitors);
1658 }
1659
1660 const Rect* screen_physical_area_monitor(guint head)
1661 {
1662 g_assert(head <= screen_num_monitors);
1663
1664 return &monitor_area[head];
1665 }
1666
1667 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1668 {
1669 g_assert(head <= screen_num_monitors);
1670 g_assert(search);
1671 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1672 }
1673
1674 guint screen_monitor_active(void)
1675 {
1676 if (moveresize_client)
1677 return client_monitor(moveresize_client);
1678 else if (focus_client)
1679 return client_monitor(focus_client);
1680 else
1681 return screen_monitor_pointer();
1682 }
1683
1684 const Rect* screen_physical_area_active(void)
1685 {
1686 return screen_physical_area_monitor(screen_monitor_active());
1687 }
1688
1689 guint screen_monitor_primary(gboolean fixed)
1690 {
1691 if (config_primary_monitor_index > 0) {
1692 if (config_primary_monitor_index-1 < screen_num_monitors)
1693 return config_primary_monitor_index - 1;
1694 else
1695 return 0;
1696 }
1697 else if (fixed)
1698 return 0;
1699 else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
1700 return screen_monitor_active();
1701 else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
1702 return screen_monitor_pointer();
1703 }
1704
1705 const Rect* screen_physical_area_primary(gboolean fixed)
1706 {
1707 return screen_physical_area_monitor(screen_monitor_primary(fixed));
1708 }
1709
1710 void screen_set_root_cursor(void)
1711 {
1712 if (sn_app_starting())
1713 XDefineCursor(obt_display, obt_root(ob_screen),
1714 ob_cursor(OB_CURSOR_BUSYPOINTER));
1715 else
1716 XDefineCursor(obt_display, obt_root(ob_screen),
1717 ob_cursor(OB_CURSOR_POINTER));
1718 }
1719
1720 guint screen_find_monitor_point(guint x, guint y)
1721 {
1722 Rect mon;
1723 RECT_SET(mon, x, y, 1, 1);
1724 return screen_find_monitor(&mon);
1725 }
1726
1727 guint screen_monitor_pointer()
1728 {
1729 gint x, y;
1730 if (!screen_pointer_pos(&x, &y))
1731 x = y = 0;
1732 return screen_find_monitor_point(x, y);
1733 }
1734
1735 gboolean screen_pointer_pos(gint *x, gint *y)
1736 {
1737 Window w;
1738 gint i;
1739 guint u;
1740 gboolean ret;
1741
1742 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1743 &w, &w, x, y, &i, &i, &u);
1744 if (!ret) {
1745 for (i = 0; i < ScreenCount(obt_display); ++i)
1746 if (i != ob_screen)
1747 if (XQueryPointer(obt_display, obt_root(i),
1748 &w, &w, x, y, &i, &i, &u))
1749 break;
1750 }
1751 return ret;
1752 }
1753
1754 gboolean screen_compare_desktops(guint a, guint b)
1755 {
1756 if (a == DESKTOP_ALL)
1757 a = screen_desktop;
1758 if (b == DESKTOP_ALL)
1759 b = screen_desktop;
1760 return a == b;
1761 }
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