1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 screen.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
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.
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.
17 See the COPYING file for a copy of the GNU General Public License.
24 #include "startupnotify.h"
25 #include "moveresize.h"
35 #include "render/render.h"
37 #include "obt/display.h"
39 #include "obt/mainloop.h"
43 # include <sys/types.h>
48 /*! The event mask to grab on the root window */
49 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
50 EnterWindowMask | LeaveWindowMask | \
51 SubstructureRedirectMask | FocusChangeMask | \
52 ButtonPressMask | ButtonReleaseMask)
54 static gboolean screen_validate_layout(ObDesktopLayout *l);
55 static gboolean replace_wm(void);
56 static void screen_tell_ksplash(void);
57 static void screen_fallback_focus(void);
59 guint screen_num_desktops;
60 guint screen_num_monitors;
62 guint screen_last_desktop;
63 gboolean screen_showing_desktop;
64 ObDesktopLayout screen_desktop_layout;
65 gchar **screen_desktop_names;
66 Window screen_support_win;
67 Time screen_desktop_user_time = CurrentTime;
69 static Size screen_physical_size;
70 static guint screen_old_desktop;
71 static gboolean screen_desktop_timeout = TRUE;
72 /*! An array of desktops, holding an array of areas per monitor */
73 static Rect *monitor_area = NULL;
74 /*! An array of desktops, holding an array of struts */
75 static GSList *struts_top = NULL;
76 static GSList *struts_left = NULL;
77 static GSList *struts_right = NULL;
78 static GSList *struts_bottom = NULL;
80 static ObPagerPopup **desktop_popup;
82 /*! The number of microseconds that you need to be on a desktop before it will
83 replace the remembered "last desktop" */
84 #define REMEMBER_LAST_DESKTOP_TIME 750000
86 static gboolean replace_wm(void)
90 Window current_wm_sn_owner;
93 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
94 wm_sn_atom = XInternAtom(obt_display, wm_sn, FALSE);
97 current_wm_sn_owner = XGetSelectionOwner(obt_display, wm_sn_atom);
98 if (current_wm_sn_owner == screen_support_win)
99 current_wm_sn_owner = None;
100 if (current_wm_sn_owner) {
101 if (!ob_replace_wm) {
102 g_message(_("A window manager is already running on screen %d"),
106 obt_display_ignore_errors(TRUE);
108 /* We want to find out when the current selection owner dies */
109 XSelectInput(obt_display, current_wm_sn_owner, StructureNotifyMask);
110 XSync(obt_display, FALSE);
112 obt_display_ignore_errors(FALSE);
113 if (obt_display_error_occured)
114 current_wm_sn_owner = None;
117 timestamp = event_get_server_time();
119 XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
122 if (XGetSelectionOwner(obt_display, wm_sn_atom) != screen_support_win) {
123 g_message(_("Could not acquire window manager selection on screen %d"),
128 /* Wait for old window manager to go away */
129 if (current_wm_sn_owner) {
132 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
134 while (wait < timeout) {
135 if (XCheckWindowEvent(obt_display, current_wm_sn_owner,
136 StructureNotifyMask, &event) &&
137 event.type == DestroyNotify)
139 g_usleep(G_USEC_PER_SEC / 10);
140 wait += G_USEC_PER_SEC / 10;
143 if (wait >= timeout) {
144 g_message(_("The WM on screen %d is not exiting"), ob_screen);
149 /* Send client message indicating that we are now the WM */
150 obt_prop_message(ob_screen, obt_root(ob_screen), OBT_PROP_ATOM(MANAGER),
151 timestamp, wm_sn_atom, screen_support_win, 0, 0,
152 SubstructureNotifyMask);
157 gboolean screen_annex(void)
159 XSetWindowAttributes attrib;
164 /* create the netwm support window */
165 attrib.override_redirect = TRUE;
166 attrib.event_mask = PropertyChangeMask;
167 screen_support_win = XCreateWindow(obt_display, obt_root(ob_screen),
169 CopyFromParent, InputOutput,
171 CWEventMask | CWOverrideRedirect,
173 XMapWindow(obt_display, screen_support_win);
174 XLowerWindow(obt_display, screen_support_win);
177 XDestroyWindow(obt_display, screen_support_win);
181 obt_display_ignore_errors(TRUE);
182 XSelectInput(obt_display, obt_root(ob_screen), ROOT_EVENTMASK);
183 obt_display_ignore_errors(FALSE);
184 if (obt_display_error_occured) {
185 g_message(_("A window manager is already running on screen %d"),
188 XDestroyWindow(obt_display, screen_support_win);
192 screen_set_root_cursor();
194 /* set the OPENBOX_PID hint */
196 OBT_PROP_SET32(obt_root(ob_screen), OPENBOX_PID, CARDINAL, pid);
198 /* set supporting window */
199 OBT_PROP_SET32(obt_root(ob_screen),
200 NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
202 /* set properties on the supporting window */
203 OBT_PROP_SETS(screen_support_win, NET_WM_NAME, utf8, "Openbox");
204 OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
205 WINDOW, screen_support_win);
207 /* set the _NET_SUPPORTED_ATOMS hint */
209 /* this is all the atoms after NET_SUPPORTED in the ObtPropAtoms enum */
210 num_support = OBT_PROP_NUM_ATOMS - OBT_PROP_NET_SUPPORTED - 1;
212 supported = g_new(gulong, num_support);
213 supported[i++] = OBT_PROP_ATOM(NET_SUPPORTING_WM_CHECK);
214 supported[i++] = OBT_PROP_ATOM(NET_WM_FULL_PLACEMENT);
215 supported[i++] = OBT_PROP_ATOM(NET_CURRENT_DESKTOP);
216 supported[i++] = OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS);
217 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_GEOMETRY);
218 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_VIEWPORT);
219 supported[i++] = OBT_PROP_ATOM(NET_ACTIVE_WINDOW);
220 supported[i++] = OBT_PROP_ATOM(NET_WORKAREA);
221 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST);
222 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST_STACKING);
223 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_NAMES);
224 supported[i++] = OBT_PROP_ATOM(NET_CLOSE_WINDOW);
225 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_LAYOUT);
226 supported[i++] = OBT_PROP_ATOM(NET_SHOWING_DESKTOP);
227 supported[i++] = OBT_PROP_ATOM(NET_WM_NAME);
228 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_NAME);
229 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_NAME);
230 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_ICON_NAME);
231 supported[i++] = OBT_PROP_ATOM(NET_WM_DESKTOP);
232 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT);
233 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT_PARTIAL);
234 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON);
235 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_GEOMETRY);
236 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE);
237 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP);
238 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK);
239 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR);
240 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU);
241 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY);
242 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH);
243 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
244 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
245 supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
246 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
247 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
248 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
249 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
250 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
251 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
252 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
253 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
254 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
255 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
256 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
257 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE);
258 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
259 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
260 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
261 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
262 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
263 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
264 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
265 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
266 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
267 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
268 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
269 supported[i++] = OBT_PROP_ATOM(NET_MOVERESIZE_WINDOW);
270 supported[i++] = OBT_PROP_ATOM(NET_WM_MOVERESIZE);
271 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME);
273 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME_WINDOW);
275 supported[i++] = OBT_PROP_ATOM(NET_FRAME_EXTENTS);
276 supported[i++] = OBT_PROP_ATOM(NET_REQUEST_FRAME_EXTENTS);
277 supported[i++] = OBT_PROP_ATOM(NET_RESTACK_WINDOW);
278 supported[i++] = OBT_PROP_ATOM(NET_STARTUP_ID);
280 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST);
281 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST_COUNTER);
283 supported[i++] = OBT_PROP_ATOM(NET_WM_PID);
284 supported[i++] = OBT_PROP_ATOM(NET_WM_PING);
286 supported[i++] = OBT_PROP_ATOM(KDE_WM_CHANGE_STATE);
287 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_FRAME_STRUT);
288 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
290 supported[i++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
291 supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
292 supported[i++] = OBT_PROP_ATOM(OPENBOX_PID);
293 supported[i++] = OBT_PROP_ATOM(OB_THEME);
294 supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
295 supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
296 g_assert(i == num_support);
298 OBT_PROP_SETA32(obt_root(ob_screen),
299 NET_SUPPORTED, ATOM, supported, num_support);
302 screen_tell_ksplash();
307 static void screen_tell_ksplash(void)
312 argv = g_new(gchar*, 6);
313 argv[0] = g_strdup("dcop");
314 argv[1] = g_strdup("ksplash");
315 argv[2] = g_strdup("ksplash");
316 argv[3] = g_strdup("upAndRunning(QString)");
317 argv[4] = g_strdup("wm started");
320 /* tell ksplash through the dcop server command line interface */
321 g_spawn_async(NULL, argv, NULL,
322 G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
323 G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
324 NULL, NULL, NULL, NULL);
327 /* i'm not sure why we do this, kwin does it, but ksplash doesn't seem to
328 hear it anyways. perhaps it is for old ksplash. or new ksplash. or
329 something. oh well. */
330 e.xclient.type = ClientMessage;
331 e.xclient.display = obt_display;
332 e.xclient.window = obt_root(ob_screen);
333 e.xclient.message_type =
334 XInternAtom(obt_display, "_KDE_SPLASH_PROGRESS", False);
335 e.xclient.format = 8;
336 strcpy(e.xclient.data.b, "wm started");
337 XSendEvent(obt_display, obt_root(ob_screen),
338 False, SubstructureNotifyMask, &e);
341 void screen_startup(gboolean reconfig)
343 gchar **names = NULL;
345 gboolean namesexist = FALSE;
349 desktop_popup = g_new(ObPagerPopup*, screen_num_monitors);
350 for (i = 0; i < screen_num_monitors; i++) {
351 desktop_popup[i] = pager_popup_new();
352 pager_popup_height(desktop_popup[i], POPUP_HEIGHT);
354 /* update the pager popup's width */
355 pager_popup_text_width_to_strings(desktop_popup[i],
356 screen_desktop_names,
357 screen_num_desktops);
362 desktop_popup = NULL;
365 /* get the initial size */
368 /* have names already been set for the desktops? */
369 if (OBT_PROP_GETSS(obt_root(ob_screen), NET_DESKTOP_NAMES, utf8, &names)) {
374 /* if names don't exist and we have session names, set those.
375 do this stuff BEFORE setting the number of desktops, because that
376 will create default names for them
378 if (!namesexist && session_desktop_names != NULL) {
382 /* get the desktop names */
383 numnames = g_slist_length(session_desktop_names);
384 names = g_new(gchar*, numnames + 1);
385 names[numnames] = NULL;
386 for (i = 0, it = session_desktop_names; it; ++i, it = g_slist_next(it))
387 names[i] = g_strdup(it->data);
389 /* set the root window property */
390 OBT_PROP_SETSS(obt_root(ob_screen),
391 NET_DESKTOP_NAMES, utf8, (const gchar**)names);
396 /* set the number of desktops, if it's not already set.
398 this will also set the default names from the config file up for
399 desktops that don't have names yet */
400 screen_num_desktops = 0;
401 if (OBT_PROP_GET32(obt_root(ob_screen),
402 NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
404 if (d != config_desktops_num) {
405 /* TRANSLATORS: If you need to specify a different order of the
406 arguments, you can use %1$d for the first one and %2$d for the
407 second one. For example,
408 "The current session has %2$d desktops, but Openbox is configured for %1$d ..." */
409 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),
410 config_desktops_num, d);
412 screen_set_num_desktops(d);
414 /* restore from session if possible */
415 else if (session_num_desktops)
416 screen_set_num_desktops(session_num_desktops);
418 screen_set_num_desktops(config_desktops_num);
420 screen_desktop = screen_num_desktops; /* something invalid */
421 /* start on the current desktop when a wm was already running */
422 if (OBT_PROP_GET32(obt_root(ob_screen),
423 NET_CURRENT_DESKTOP, CARDINAL, &d) &&
424 d < screen_num_desktops)
426 screen_set_desktop(d, FALSE);
427 } else if (session_desktop >= 0)
428 screen_set_desktop(MIN((guint)session_desktop,
429 screen_num_desktops), FALSE);
431 screen_set_desktop(MIN(config_screen_firstdesk,
432 screen_num_desktops) - 1, FALSE);
433 screen_last_desktop = screen_desktop;
435 /* don't start in showing-desktop mode */
436 screen_showing_desktop = FALSE;
437 OBT_PROP_SET32(obt_root(ob_screen),
438 NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop);
440 if (session_desktop_layout_present &&
441 screen_validate_layout(&session_desktop_layout))
443 screen_desktop_layout = session_desktop_layout;
446 screen_update_layout();
449 void screen_shutdown(gboolean reconfig)
453 for (i = 0; i < screen_num_monitors; i++) {
454 pager_popup_free(desktop_popup[i]);
456 g_free(desktop_popup);
461 XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
463 /* we're not running here no more! */
464 OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
466 OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
467 /* don't keep this mode */
468 OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
470 XDestroyWindow(obt_display, screen_support_win);
472 g_strfreev(screen_desktop_names);
473 screen_desktop_names = NULL;
476 void screen_resize(void)
478 static gint oldw = 0, oldh = 0;
483 w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
484 h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
486 if (w == oldw && h == oldh) return;
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);
496 if (ob_state() != OB_STATE_RUNNING)
499 screen_update_areas();
502 for (it = client_list; it; it = g_list_next(it))
503 client_move_onscreen(it->data, FALSE);
506 void screen_set_num_desktops(guint num)
510 GList *it, *stacking_copy;
514 if (screen_num_desktops == num) return;
516 old = screen_num_desktops;
517 screen_num_desktops = num;
518 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
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);
526 /* the number of rows/columns will differ */
527 screen_update_layout();
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
539 else if (screen_desktop == num - 1 &&
540 (c->desktop == DESKTOP_ALL ||
541 c->desktop == screen_desktop))
542 stacking_raise(CLIENT_AS_WINDOW(c));
545 g_list_free(stacking_copy);
547 /* change our struts/area to match (after moving windows) */
548 screen_update_areas();
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();
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);
559 static void screen_fallback_focus(void)
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);
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)
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
580 do this before hiding the windows so if helper windows are coming
581 with us, they don't get hidden
583 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
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.. */
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);
600 static gboolean last_desktop_func(gpointer data)
602 screen_desktop_timeout = TRUE;
606 void screen_set_desktop(guint num, gboolean dofocus)
612 g_assert(num < screen_num_desktops);
614 previous = screen_desktop;
615 screen_desktop = num;
617 if (previous == num) return;
619 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
621 /* This whole thing decides when/how to save the screen_last_desktop so
622 that it can be restored later if you want */
623 if (screen_desktop_timeout) {
624 /* If screen_desktop_timeout is true, then we've been on this desktop
625 long enough and we can save it as the last desktop. */
627 if (screen_last_desktop == previous)
628 /* this is the startup state only */
629 screen_old_desktop = screen_desktop;
631 /* save the "last desktop" as the "old desktop" */
632 screen_old_desktop = screen_last_desktop;
633 /* save the desktop we're coming from as the "last desktop" */
634 screen_last_desktop = previous;
638 /* If screen_desktop_timeout is false, then we just got to this desktop
639 and we are moving away again. */
641 if (screen_desktop == screen_last_desktop) {
642 /* If we are moving to the "last desktop" .. */
643 if (previous == screen_old_desktop) {
644 /* .. from the "old desktop", change the last desktop to
645 be where we are coming from */
646 screen_last_desktop = screen_old_desktop;
648 else if (screen_last_desktop == screen_old_desktop) {
649 /* .. and also to the "old desktop", change the "last
650 desktop" to be where we are coming from */
651 screen_last_desktop = previous;
654 /* .. from some other desktop, then set the "last desktop" to
655 be the saved "old desktop", i.e. where we were before the
657 screen_last_desktop = screen_old_desktop;
661 /* If we are moving to any desktop besides the "last desktop"..
662 (this is the normal case) */
663 if (screen_desktop == screen_old_desktop) {
664 /* If moving to the "old desktop", which is not the
665 "last desktop", don't save anything */
667 else if (previous == screen_old_desktop) {
668 /* If moving from the "old desktop", and not to the
669 "last desktop", don't save anything */
671 else if (screen_last_desktop == screen_old_desktop) {
672 /* If the "last desktop" is the same as "old desktop" and
673 you're not moving to the "last desktop" then save where
674 we're coming from as the "last desktop" */
675 screen_last_desktop = previous;
678 /* If the "last desktop" is different from the "old desktop"
679 and you're not moving to the "last desktop", then don't save
684 screen_desktop_timeout = FALSE;
685 obt_main_loop_timeout_remove(ob_main_loop, last_desktop_func);
686 obt_main_loop_timeout_add(ob_main_loop, REMEMBER_LAST_DESKTOP_TIME,
687 last_desktop_func, NULL, NULL, NULL);
689 ob_debug("Moving to desktop %d", num+1);
691 if (ob_state() == OB_STATE_RUNNING)
692 screen_show_desktop_popup(screen_desktop);
694 /* ignore enter events caused by the move */
695 ignore_start = event_start_ignore_all_enters();
697 if (moveresize_client)
698 client_set_desktop(moveresize_client, num, TRUE, FALSE);
700 /* show windows before hiding the rest to lessen the enter/leave events */
702 /* show windows from top to bottom */
703 for (it = stacking_list; it; it = g_list_next(it)) {
704 if (WINDOW_IS_CLIENT(it->data)) {
705 ObClient *c = it->data;
710 if (dofocus) screen_fallback_focus();
712 /* hide windows from bottom to top */
713 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
714 if (WINDOW_IS_CLIENT(it->data)) {
715 ObClient *c = it->data;
720 event_end_ignore_all_enters(ignore_start);
722 if (event_curtime != CurrentTime)
723 screen_desktop_user_time = event_curtime;
725 hooks_queue(OB_HOOK_SCREEN_DESK_CHANGE, NULL);
728 void screen_add_desktop(gboolean current)
732 /* ignore enter events caused by this */
733 ignore_start = event_start_ignore_all_enters();
735 screen_set_num_desktops(screen_num_desktops+1);
737 /* move all the clients over */
741 for (it = client_list; it; it = g_list_next(it)) {
742 ObClient *c = it->data;
743 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
744 /* don't move direct children, they'll be moved with their
745 parent - which will have to be on the same desktop */
746 !client_direct_parent(c))
748 ob_debug("moving window %s", c->title);
749 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
754 event_end_ignore_all_enters(ignore_start);
757 void screen_remove_desktop(gboolean current)
759 guint rmdesktop, movedesktop;
760 GList *it, *stacking_copy;
763 if (screen_num_desktops <= 1) return;
765 /* ignore enter events caused by this */
766 ignore_start = event_start_ignore_all_enters();
768 /* what desktop are we removing and moving to? */
770 rmdesktop = screen_desktop;
772 rmdesktop = screen_num_desktops - 1;
773 if (rmdesktop < screen_num_desktops - 1)
774 movedesktop = rmdesktop + 1;
776 movedesktop = rmdesktop;
778 /* make a copy of the list cuz we're changing it */
779 stacking_copy = g_list_copy(stacking_list);
780 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
781 if (WINDOW_IS_CLIENT(it->data)) {
782 ObClient *c = it->data;
783 guint d = c->desktop;
784 if (d != DESKTOP_ALL && d >= movedesktop &&
785 /* don't move direct children, they'll be moved with their
786 parent - which will have to be on the same desktop */
787 !client_direct_parent(c))
789 ob_debug("moving window %s", c->title);
790 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
792 /* raise all the windows that are on the current desktop which
794 if ((screen_desktop == rmdesktop - 1 ||
795 screen_desktop == rmdesktop) &&
796 (d == DESKTOP_ALL || d == screen_desktop))
798 stacking_raise(CLIENT_AS_WINDOW(c));
799 ob_debug("raising window %s", c->title);
803 g_list_free(stacking_copy);
805 /* fallback focus like we're changing desktops */
806 if (screen_desktop < screen_num_desktops - 1) {
807 screen_fallback_focus();
808 ob_debug("fake desktop change");
811 screen_set_num_desktops(screen_num_desktops-1);
813 event_end_ignore_all_enters(ignore_start);
816 static void get_row_col(guint d, guint *r, guint *c)
818 switch (screen_desktop_layout.orientation) {
819 case OB_ORIENTATION_HORZ:
820 switch (screen_desktop_layout.start_corner) {
821 case OB_CORNER_TOPLEFT:
822 *r = d / screen_desktop_layout.columns;
823 *c = d % screen_desktop_layout.columns;
825 case OB_CORNER_BOTTOMLEFT:
826 *r = screen_desktop_layout.rows - 1 -
827 d / screen_desktop_layout.columns;
828 *c = d % screen_desktop_layout.columns;
830 case OB_CORNER_TOPRIGHT:
831 *r = d / screen_desktop_layout.columns;
832 *c = screen_desktop_layout.columns - 1 -
833 d % screen_desktop_layout.columns;
835 case OB_CORNER_BOTTOMRIGHT:
836 *r = screen_desktop_layout.rows - 1 -
837 d / screen_desktop_layout.columns;
838 *c = screen_desktop_layout.columns - 1 -
839 d % screen_desktop_layout.columns;
843 case OB_ORIENTATION_VERT:
844 switch (screen_desktop_layout.start_corner) {
845 case OB_CORNER_TOPLEFT:
846 *r = d % screen_desktop_layout.rows;
847 *c = d / screen_desktop_layout.rows;
849 case OB_CORNER_BOTTOMLEFT:
850 *r = screen_desktop_layout.rows - 1 -
851 d % screen_desktop_layout.rows;
852 *c = d / screen_desktop_layout.rows;
854 case OB_CORNER_TOPRIGHT:
855 *r = d % screen_desktop_layout.rows;
856 *c = screen_desktop_layout.columns - 1 -
857 d / screen_desktop_layout.rows;
859 case OB_CORNER_BOTTOMRIGHT:
860 *r = screen_desktop_layout.rows - 1 -
861 d % screen_desktop_layout.rows;
862 *c = screen_desktop_layout.columns - 1 -
863 d / screen_desktop_layout.rows;
870 static guint translate_row_col(guint r, guint c)
872 switch (screen_desktop_layout.orientation) {
873 case OB_ORIENTATION_HORZ:
874 switch (screen_desktop_layout.start_corner) {
875 case OB_CORNER_TOPLEFT:
876 return r % screen_desktop_layout.rows *
877 screen_desktop_layout.columns +
878 c % screen_desktop_layout.columns;
879 case OB_CORNER_BOTTOMLEFT:
880 return (screen_desktop_layout.rows - 1 -
881 r % screen_desktop_layout.rows) *
882 screen_desktop_layout.columns +
883 c % screen_desktop_layout.columns;
884 case OB_CORNER_TOPRIGHT:
885 return r % screen_desktop_layout.rows *
886 screen_desktop_layout.columns +
887 (screen_desktop_layout.columns - 1 -
888 c % screen_desktop_layout.columns);
889 case OB_CORNER_BOTTOMRIGHT:
890 return (screen_desktop_layout.rows - 1 -
891 r % screen_desktop_layout.rows) *
892 screen_desktop_layout.columns +
893 (screen_desktop_layout.columns - 1 -
894 c % screen_desktop_layout.columns);
896 case OB_ORIENTATION_VERT:
897 switch (screen_desktop_layout.start_corner) {
898 case OB_CORNER_TOPLEFT:
899 return c % screen_desktop_layout.columns *
900 screen_desktop_layout.rows +
901 r % screen_desktop_layout.rows;
902 case OB_CORNER_BOTTOMLEFT:
903 return c % screen_desktop_layout.columns *
904 screen_desktop_layout.rows +
905 (screen_desktop_layout.rows - 1 -
906 r % screen_desktop_layout.rows);
907 case OB_CORNER_TOPRIGHT:
908 return (screen_desktop_layout.columns - 1 -
909 c % screen_desktop_layout.columns) *
910 screen_desktop_layout.rows +
911 r % screen_desktop_layout.rows;
912 case OB_CORNER_BOTTOMRIGHT:
913 return (screen_desktop_layout.columns - 1 -
914 c % screen_desktop_layout.columns) *
915 screen_desktop_layout.rows +
916 (screen_desktop_layout.rows - 1 -
917 r % screen_desktop_layout.rows);
920 g_assert_not_reached();
924 static gboolean hide_desktop_popup_func(gpointer data)
928 for (i = 0; i < screen_num_monitors; i++) {
929 pager_popup_hide(desktop_popup[i]);
931 return FALSE; /* don't repeat */
934 void screen_show_desktop_popup(guint d)
939 /* 0 means don't show the popup */
940 if (!config_desktop_popup_time) return;
942 for (i = 0; i < screen_num_monitors; i++) {
943 a = screen_physical_area_monitor(i);
944 pager_popup_position(desktop_popup[i], CenterGravity,
945 a->x + a->width / 2, a->y + a->height / 2);
946 pager_popup_icon_size_multiplier(desktop_popup[i],
947 (screen_desktop_layout.columns /
948 screen_desktop_layout.rows) / 2,
949 (screen_desktop_layout.rows/
950 screen_desktop_layout.columns) / 2);
951 pager_popup_max_width(desktop_popup[i],
952 MAX(a->width/3, POPUP_WIDTH));
953 pager_popup_show(desktop_popup[i], screen_desktop_names[d], d);
955 obt_main_loop_timeout_remove(ob_main_loop, hide_desktop_popup_func);
956 obt_main_loop_timeout_add(ob_main_loop, config_desktop_popup_time * 1000,
957 hide_desktop_popup_func, desktop_popup[i],
958 g_direct_equal, NULL);
963 void screen_hide_desktop_popup(void)
967 for (i = 0; i < screen_num_monitors; i++) {
968 obt_main_loop_timeout_remove_data(ob_main_loop, hide_desktop_popup_func,
969 desktop_popup[i], FALSE);
970 pager_popup_hide(desktop_popup[i]);
974 guint screen_find_desktop(guint from, ObDirection dir,
975 gboolean wrap, gboolean linear)
981 get_row_col(d, &r, &c);
984 case OB_DIRECTION_EAST:
985 if (d < screen_num_desktops - 1)
992 case OB_DIRECTION_WEST:
996 d = screen_num_desktops - 1;
1001 g_assert_not_reached();
1006 case OB_DIRECTION_EAST:
1008 if (c >= screen_desktop_layout.columns) {
1014 d = translate_row_col(r, c);
1015 if (d >= screen_num_desktops) {
1022 case OB_DIRECTION_WEST:
1024 if (c >= screen_desktop_layout.columns) {
1026 c = screen_desktop_layout.columns - 1;
1030 d = translate_row_col(r, c);
1031 if (d >= screen_num_desktops) {
1038 case OB_DIRECTION_SOUTH:
1040 if (r >= screen_desktop_layout.rows) {
1046 d = translate_row_col(r, c);
1047 if (d >= screen_num_desktops) {
1054 case OB_DIRECTION_NORTH:
1056 if (r >= screen_desktop_layout.rows) {
1058 r = screen_desktop_layout.rows - 1;
1062 d = translate_row_col(r, c);
1063 if (d >= screen_num_desktops) {
1071 g_assert_not_reached();
1075 d = translate_row_col(r, c);
1080 static gboolean screen_validate_layout(ObDesktopLayout *l)
1082 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1085 /* fill in a zero rows/columns */
1086 if (l->columns == 0) {
1087 l->columns = screen_num_desktops / l->rows;
1088 if (l->rows * l->columns < screen_num_desktops)
1090 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1092 } else if (l->rows == 0) {
1093 l->rows = screen_num_desktops / l->columns;
1094 if (l->columns * l->rows < screen_num_desktops)
1096 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1100 /* bounds checking */
1101 if (l->orientation == OB_ORIENTATION_HORZ) {
1102 l->columns = MIN(screen_num_desktops, l->columns);
1103 l->rows = MIN(l->rows,
1104 (screen_num_desktops + l->columns - 1) / l->columns);
1105 l->columns = screen_num_desktops / l->rows +
1106 !!(screen_num_desktops % l->rows);
1108 l->rows = MIN(screen_num_desktops, l->rows);
1109 l->columns = MIN(l->columns,
1110 (screen_num_desktops + l->rows - 1) / l->rows);
1111 l->rows = screen_num_desktops / l->columns +
1112 !!(screen_num_desktops % l->columns);
1117 void screen_update_layout(void)
1124 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1125 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1126 screen_desktop_layout.rows = 1;
1127 screen_desktop_layout.columns = screen_num_desktops;
1129 if (OBT_PROP_GETA32(obt_root(ob_screen),
1130 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1131 if (num == 3 || num == 4) {
1133 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1134 l.orientation = OB_ORIENTATION_VERT;
1135 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1136 l.orientation = OB_ORIENTATION_HORZ;
1141 l.start_corner = OB_CORNER_TOPLEFT;
1143 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1144 l.start_corner = OB_CORNER_TOPLEFT;
1145 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1146 l.start_corner = OB_CORNER_TOPRIGHT;
1147 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1148 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1149 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1150 l.start_corner = OB_CORNER_BOTTOMLEFT;
1155 l.columns = data[1];
1158 if (screen_validate_layout(&l))
1159 screen_desktop_layout = l;
1166 void screen_update_desktop_names(void)
1170 /* empty the array */
1171 g_strfreev(screen_desktop_names);
1172 screen_desktop_names = NULL;
1174 if (OBT_PROP_GETSS(obt_root(ob_screen),
1175 NET_DESKTOP_NAMES, utf8, &screen_desktop_names))
1176 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1179 if (i < screen_num_desktops) {
1182 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1183 screen_num_desktops + 1);
1184 screen_desktop_names[screen_num_desktops] = NULL;
1186 it = g_slist_nth(config_desktops_names, i);
1188 for (; i < screen_num_desktops; ++i) {
1189 if (it && ((char*)it->data)[0]) /* not empty */
1190 /* use the names from the config file when possible */
1191 screen_desktop_names[i] = g_strdup(it->data);
1193 /* make up a nice name if it's not though */
1194 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1196 if (it) it = g_slist_next(it);
1199 /* if we changed any names, then set the root property so we can
1200 all agree on the names */
1201 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1202 utf8, (const gchar**)screen_desktop_names);
1205 /* resize the pager for these names */
1206 for (i = 0; i < screen_num_monitors; i++) {
1207 pager_popup_text_width_to_strings(desktop_popup[i],
1208 screen_desktop_names,
1209 screen_num_desktops);
1213 void screen_show_desktop(gboolean show, ObClient *show_only)
1217 if (show == screen_showing_desktop) return; /* no change */
1219 screen_showing_desktop = show;
1222 /* hide windows bottom to top */
1223 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1224 if (WINDOW_IS_CLIENT(it->data)) {
1225 ObClient *client = it->data;
1226 client_showhide(client);
1231 /* restore windows top to bottom */
1232 for (it = stacking_list; it; it = g_list_next(it)) {
1233 if (WINDOW_IS_CLIENT(it->data)) {
1234 ObClient *client = it->data;
1235 if (client_should_show(client)) {
1236 if (!show_only || client == show_only)
1237 client_show(client);
1239 client_iconify(client, TRUE, FALSE, TRUE);
1246 /* focus the desktop */
1247 for (it = focus_order; it; it = g_list_next(it)) {
1248 ObClient *c = it->data;
1249 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1250 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1251 client_focus(it->data))
1255 else if (!show_only) {
1258 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1259 /* only do the flicker reducing stuff ahead of time if we are going
1260 to call xsetinputfocus on the window ourselves. otherwise there
1261 is no guarantee the window will actually take focus.. */
1263 /* reduce flicker by hiliting now rather than waiting for the
1264 server FocusIn event */
1265 frame_adjust_focus(c->frame, TRUE);
1270 show = !!show; /* make it boolean */
1271 OBT_PROP_SET32(obt_root(ob_screen), NET_SHOWING_DESKTOP, CARDINAL, show);
1274 void screen_install_colormap(ObClient *client, gboolean install)
1276 if (client == NULL || client->colormap == None) {
1278 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1280 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1282 obt_display_ignore_errors(TRUE);
1284 XInstallColormap(obt_display, client->colormap);
1286 XUninstallColormap(obt_display, client->colormap);
1287 obt_display_ignore_errors(FALSE);
1291 #define STRUT_LEFT_ON_MONITOR(s, i) \
1292 (RANGES_INTERSECT(s->left_start, s->left_end - s->left_start + 1, \
1293 monitor_area[i].y, monitor_area[i].height))
1294 #define STRUT_RIGHT_ON_MONITOR(s, i) \
1295 (RANGES_INTERSECT(s->right_start, s->right_end - s->right_start + 1, \
1296 monitor_area[i].y, monitor_area[i].height))
1297 #define STRUT_TOP_ON_MONITOR(s, i) \
1298 (RANGES_INTERSECT(s->top_start, s->top_end - s->top_start + 1, \
1299 monitor_area[i].x, monitor_area[i].width))
1300 #define STRUT_BOTTOM_ON_MONITOR(s, i) \
1301 (RANGES_INTERSECT(s->bottom_start, s->bottom_end - s->bottom_start + 1, \
1302 monitor_area[i].x, monitor_area[i].width))
1306 StrutPartial *strut;
1309 #define RESET_STRUT_LIST(sl) \
1310 (g_slist_free(sl), sl = NULL)
1312 #define ADD_STRUT_TO_LIST(sl, d, s) \
1314 ObScreenStrut *ss = g_new(ObScreenStrut, 1); \
1317 sl = g_slist_prepend(sl, ss); \
1320 #define VALIDATE_STRUTS(sl, side, max) \
1323 for (it = sl; it; it = g_slist_next(it)) { \
1324 ObScreenStrut *ss = it->data; \
1325 ss->strut->side = MIN(max, ss->strut->side); \
1329 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1334 XineramaScreenInfo *info;
1337 if (ob_debug_xinerama) {
1338 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1339 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1341 *xin_areas = g_new(Rect, *nxin + 1);
1342 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1343 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1346 else if (obt_display_extension_xinerama &&
1347 (info = XineramaQueryScreens(obt_display, &n))) {
1349 *xin_areas = g_new(Rect, *nxin + 1);
1350 for (i = 0; i < *nxin; ++i)
1351 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1352 info[i].width, info[i].height);
1358 *xin_areas = g_new(Rect, *nxin + 1);
1359 RECT_SET((*xin_areas)[0], 0, 0,
1360 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1361 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1364 /* returns one extra with the total area in it */
1365 l = (*xin_areas)[0].x;
1366 t = (*xin_areas)[0].y;
1367 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1368 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1369 for (i = 1; i < *nxin; ++i) {
1370 l = MIN(l, (*xin_areas)[i].x);
1371 t = MIN(l, (*xin_areas)[i].y);
1372 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1373 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1375 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1378 void screen_update_areas(void)
1385 g_free(monitor_area);
1386 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1388 if (!desktop_popup) {
1389 desktop_popup = g_new(ObPagerPopup*, screen_num_monitors);
1390 for (i = 0; i < screen_num_monitors; i++) {
1391 desktop_popup[i] = pager_popup_new();
1392 pager_popup_height(desktop_popup[i], POPUP_HEIGHT);
1394 if (screen_desktop_names)
1395 /* update the pager popup's width */
1396 pager_popup_text_width_to_strings(desktop_popup[i],
1397 screen_desktop_names,
1398 screen_num_desktops);
1402 /* set up the user-specified margins */
1403 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1404 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1405 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1406 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1407 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1408 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1409 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1410 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1412 dims = g_new(gulong, 4 * screen_num_desktops * screen_num_monitors);
1414 RESET_STRUT_LIST(struts_left);
1415 RESET_STRUT_LIST(struts_top);
1416 RESET_STRUT_LIST(struts_right);
1417 RESET_STRUT_LIST(struts_bottom);
1419 /* collect the struts */
1420 for (it = client_list; it; it = g_list_next(it)) {
1421 ObClient *c = it->data;
1423 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1425 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1427 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1428 if (c->strut.bottom)
1429 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1431 if (dock_strut.left)
1432 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1434 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1435 if (dock_strut.right)
1436 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1437 if (dock_strut.bottom)
1438 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1440 if (config_margins.left)
1441 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1442 if (config_margins.top)
1443 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1444 if (config_margins.right)
1445 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1446 if (config_margins.bottom)
1447 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1449 VALIDATE_STRUTS(struts_left, left,
1450 monitor_area[screen_num_monitors].width / 2);
1451 VALIDATE_STRUTS(struts_right, right,
1452 monitor_area[screen_num_monitors].width / 2);
1453 VALIDATE_STRUTS(struts_top, top,
1454 monitor_area[screen_num_monitors].height / 2);
1455 VALIDATE_STRUTS(struts_bottom, bottom,
1456 monitor_area[screen_num_monitors].height / 2);
1458 /* set up the work areas to be full screen */
1459 for (i = 0; i < screen_num_monitors; ++i)
1460 for (j = 0; j < screen_num_desktops; ++j) {
1461 dims[(i * screen_num_desktops + j) * 4+0] = monitor_area[i].x;
1462 dims[(i * screen_num_desktops + j) * 4+1] = monitor_area[i].y;
1463 dims[(i * screen_num_desktops + j) * 4+2] = monitor_area[i].width;
1464 dims[(i * screen_num_desktops + j) * 4+3] = monitor_area[i].height;
1467 /* calculate the work areas from the struts */
1468 for (i = 0; i < screen_num_monitors; ++i)
1469 for (j = 0; j < screen_num_desktops; ++j) {
1470 gint l = 0, r = 0, t = 0, b = 0;
1472 /* only add the strut to the area if it touches the monitor */
1474 for (sit = struts_left; sit; sit = g_slist_next(sit)) {
1475 ObScreenStrut *s = sit->data;
1476 if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
1477 STRUT_LEFT_ON_MONITOR(s->strut, i))
1478 l = MAX(l, s->strut->left);
1480 for (sit = struts_top; sit; sit = g_slist_next(sit)) {
1481 ObScreenStrut *s = sit->data;
1482 if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
1483 STRUT_TOP_ON_MONITOR(s->strut, i))
1484 t = MAX(t, s->strut->top);
1486 for (sit = struts_right; sit; sit = g_slist_next(sit)) {
1487 ObScreenStrut *s = sit->data;
1488 if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
1489 STRUT_RIGHT_ON_MONITOR(s->strut, i))
1490 r = MAX(r, s->strut->right);
1492 for (sit = struts_bottom; sit; sit = g_slist_next(sit)) {
1493 ObScreenStrut *s = sit->data;
1494 if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
1495 STRUT_BOTTOM_ON_MONITOR(s->strut, i))
1496 b = MAX(b, s->strut->bottom);
1499 if (l) l += RECT_LEFT (monitor_area[screen_num_monitors])
1500 - RECT_LEFT (monitor_area[i]);
1501 if (t) t += RECT_TOP (monitor_area[screen_num_monitors])
1502 - RECT_TOP (monitor_area[i]);
1503 if (r) r -= RECT_RIGHT (monitor_area[screen_num_monitors])
1504 - RECT_RIGHT (monitor_area[i]);
1505 if (b) b -= RECT_BOTTOM(monitor_area[screen_num_monitors])
1506 - RECT_BOTTOM(monitor_area[i]);
1508 /* based on these margins, set the work area for the
1510 dims[(i * screen_num_desktops + j) * 4 + 0] += l;
1511 dims[(i * screen_num_desktops + j) * 4 + 1] += t;
1512 dims[(i * screen_num_desktops + j) * 4 + 2] -= l + r;
1513 dims[(i * screen_num_desktops + j) * 4 + 3] -= t + b;
1516 /* all the work areas are not used here, only the ones for the first
1518 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1519 dims, 4 * screen_num_desktops);
1521 /* the area has changed, adjust all the windows if they need it */
1522 for (it = client_list; it; it = g_list_next(it))
1523 client_reconfigure(it->data, FALSE);
1529 Rect* screen_area_all_monitors(guint desktop)
1534 a = screen_area_monitor(desktop, 0);
1536 /* combine all the monitors together */
1537 for (i = 1; i < screen_num_monitors; ++i) {
1538 Rect *m = screen_area_monitor(desktop, i);
1541 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1542 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1543 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1544 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1546 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1555 #define STRUT_LEFT_IN_SEARCH(s, search) \
1556 (RANGES_INTERSECT(search->y, search->height, \
1557 s->left_start, s->left_end - s->left_start + 1))
1558 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1559 (RANGES_INTERSECT(search->y, search->height, \
1560 s->right_start, s->right_end - s->right_start + 1))
1561 #define STRUT_TOP_IN_SEARCH(s, search) \
1562 (RANGES_INTERSECT(search->x, search->width, \
1563 s->top_start, s->top_end - s->top_start + 1))
1564 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1565 (RANGES_INTERSECT(search->x, search->width, \
1566 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1568 #define STRUT_LEFT_IGNORE(s, us, search) \
1569 (head == SCREEN_AREA_ALL_MONITORS && us && \
1570 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1571 #define STRUT_RIGHT_IGNORE(s, us, search) \
1572 (head == SCREEN_AREA_ALL_MONITORS && us && \
1573 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1574 #define STRUT_TOP_IGNORE(s, us, search) \
1575 (head == SCREEN_AREA_ALL_MONITORS && us && \
1576 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1577 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1578 (head == SCREEN_AREA_ALL_MONITORS && us && \
1579 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1581 Rect* screen_area(guint desktop, guint head, Rect *search)
1585 gint l, r, t, b, al, ar, at, ab;
1587 gboolean us = search != NULL; /* user provided search */
1589 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1590 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1591 head == SCREEN_AREA_ALL_MONITORS);
1592 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1594 /* find any struts for this monitor
1595 which will be affecting the search area.
1598 /* search everything if search is null */
1600 if (head < screen_num_monitors) search = &monitor_area[head];
1601 else search = &monitor_area[screen_num_monitors];
1603 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1605 /* al is "all left" meaning the furthest left you can get, l is our
1606 "working left" meaning our current strut edge which we're calculating
1609 /* only include monitors which the search area lines up with */
1610 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1611 al = l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1612 at = t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1613 ar = r = RECT_LEFT(monitor_area[screen_num_monitors]);
1614 ab = b = RECT_TOP(monitor_area[screen_num_monitors]);
1615 for (i = 0; i < screen_num_monitors; ++i) {
1616 /* add the monitor if applicable */
1617 if (RANGES_INTERSECT(search->x, search->width,
1618 monitor_area[i].x, monitor_area[i].width))
1620 at = t = MIN(t, RECT_TOP(monitor_area[i]));
1621 ab = b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1623 if (RANGES_INTERSECT(search->y, search->height,
1624 monitor_area[i].y, monitor_area[i].height))
1626 al = l = MIN(l, RECT_LEFT(monitor_area[i]));
1627 ar = r = MAX(r, RECT_RIGHT(monitor_area[i]));
1631 al = l = RECT_LEFT(monitor_area[screen_num_monitors]);
1632 at = t = RECT_TOP(monitor_area[screen_num_monitors]);
1633 ar = r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1634 ab = b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1637 for (d = 0; d < screen_num_desktops; ++d) {
1638 if (d != desktop && desktop != DESKTOP_ALL) continue;
1640 for (i = 0; i < screen_num_monitors; ++i) {
1641 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1643 for (it = struts_left; it; it = g_slist_next(it)) {
1644 ObScreenStrut *s = it->data;
1645 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1646 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1647 !STRUT_LEFT_IGNORE(s->strut, us, search))
1648 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1651 for (it = struts_top; it; it = g_slist_next(it)) {
1652 ObScreenStrut *s = it->data;
1653 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1654 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1655 !STRUT_TOP_IGNORE(s->strut, us, search))
1656 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1659 for (it = struts_right; it; it = g_slist_next(it)) {
1660 ObScreenStrut *s = it->data;
1661 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1662 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1663 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1664 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1667 for (it = struts_bottom; it; it = g_slist_next(it)) {
1668 ObScreenStrut *s = it->data;
1669 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1670 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1671 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1672 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1673 - s->strut->bottom);
1676 /* limit to this monitor */
1678 l = MAX(l, RECT_LEFT(monitor_area[i]));
1679 t = MAX(t, RECT_TOP(monitor_area[i]));
1680 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1681 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1689 a->width = r - l + 1;
1690 a->height = b - t + 1;
1694 guint screen_find_monitor(Rect *search)
1697 guint most = screen_num_monitors;
1700 for (i = 0; i < screen_num_monitors; ++i) {
1701 Rect *area = screen_physical_area_monitor(i);
1702 if (RECT_INTERSECTS_RECT(*area, *search)) {
1706 RECT_SET_INTERSECTION(r, *area, *search);
1707 v = r.width * r.height;
1719 Rect* screen_physical_area_all_monitors(void)
1721 return screen_physical_area_monitor(screen_num_monitors);
1724 Rect* screen_physical_area_monitor(guint head)
1727 g_assert(head <= screen_num_monitors);
1730 *a = monitor_area[head];
1734 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1736 g_assert(head <= screen_num_monitors);
1738 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1741 Rect* screen_physical_area_active(void)
1746 if (moveresize_client)
1747 a = screen_physical_area_monitor(client_monitor(focus_client));
1748 else if (focus_client)
1749 a = screen_physical_area_monitor(client_monitor(focus_client));
1752 if (screen_pointer_pos(&x, &y))
1753 RECT_SET(mon, x, y, 1, 1);
1755 RECT_SET(mon, 0, 0, 1, 1);
1756 a = screen_physical_area_monitor(screen_find_monitor(&mon));
1761 void screen_set_root_cursor(void)
1763 if (sn_app_starting())
1764 XDefineCursor(obt_display, obt_root(ob_screen),
1765 ob_cursor(OB_CURSOR_BUSYPOINTER));
1767 XDefineCursor(obt_display, obt_root(ob_screen),
1768 ob_cursor(OB_CURSOR_POINTER));
1771 gboolean screen_pointer_pos(gint *x, gint *y)
1778 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1779 &w, &w, x, y, &i, &i, &u);
1781 for (i = 0; i < ScreenCount(obt_display); ++i)
1783 if (XQueryPointer(obt_display, obt_root(i),
1784 &w, &w, x, y, &i, &i, &u))