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"
34 #include "render/render.h"
36 #include "obt/display.h"
38 #include "obt/mainloop.h"
42 # include <sys/types.h>
47 /*! The event mask to grab on the root window */
48 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
49 EnterWindowMask | LeaveWindowMask | \
50 SubstructureRedirectMask | FocusChangeMask | \
51 ButtonPressMask | ButtonReleaseMask)
53 static gboolean screen_validate_layout(ObDesktopLayout *l);
54 static gboolean replace_wm(void);
55 static void screen_tell_ksplash(void);
56 static void screen_fallback_focus(void);
58 guint screen_num_desktops;
59 guint screen_num_monitors;
61 guint screen_last_desktop;
62 gboolean screen_showing_desktop;
63 ObDesktopLayout screen_desktop_layout;
64 gchar **screen_desktop_names;
65 Window screen_support_win;
66 Time screen_desktop_user_time = CurrentTime;
68 static Size screen_physical_size;
69 static guint screen_old_desktop;
70 static gboolean screen_desktop_timeout = TRUE;
71 /*! An array of desktops, holding an array of areas per monitor */
72 static Rect *monitor_area = NULL;
73 /*! An array of desktops, holding an array of struts */
74 static GSList *struts_top = NULL;
75 static GSList *struts_left = NULL;
76 static GSList *struts_right = NULL;
77 static GSList *struts_bottom = NULL;
79 static ObPagerPopup *desktop_popup;
81 /*! The number of microseconds that you need to be on a desktop before it will
82 replace the remembered "last desktop" */
83 #define REMEMBER_LAST_DESKTOP_TIME 750000
85 static gboolean replace_wm(void)
89 Window current_wm_sn_owner;
92 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
93 wm_sn_atom = XInternAtom(obt_display, wm_sn, FALSE);
96 current_wm_sn_owner = XGetSelectionOwner(obt_display, wm_sn_atom);
97 if (current_wm_sn_owner == screen_support_win)
98 current_wm_sn_owner = None;
99 if (current_wm_sn_owner) {
100 if (!ob_replace_wm) {
101 g_message(_("A window manager is already running on screen %d"),
105 obt_display_ignore_errors(TRUE);
107 /* We want to find out when the current selection owner dies */
108 XSelectInput(obt_display, current_wm_sn_owner, StructureNotifyMask);
109 XSync(obt_display, FALSE);
111 obt_display_ignore_errors(FALSE);
112 if (obt_display_error_occured)
113 current_wm_sn_owner = None;
116 timestamp = event_get_server_time();
118 XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
121 if (XGetSelectionOwner(obt_display, wm_sn_atom) != screen_support_win) {
122 g_message(_("Could not acquire window manager selection on screen %d"),
127 /* Wait for old window manager to go away */
128 if (current_wm_sn_owner) {
131 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
133 while (wait < timeout) {
134 if (XCheckWindowEvent(obt_display, current_wm_sn_owner,
135 StructureNotifyMask, &event) &&
136 event.type == DestroyNotify)
138 g_usleep(G_USEC_PER_SEC / 10);
139 wait += G_USEC_PER_SEC / 10;
142 if (wait >= timeout) {
143 g_message(_("The WM on screen %d is not exiting"), ob_screen);
148 /* Send client message indicating that we are now the WM */
149 obt_prop_message(ob_screen, obt_root(ob_screen), OBT_PROP_ATOM(MANAGER),
150 timestamp, wm_sn_atom, screen_support_win, 0, 0,
151 SubstructureNotifyMask);
156 gboolean screen_annex(void)
158 XSetWindowAttributes attrib;
163 /* create the netwm support window */
164 attrib.override_redirect = TRUE;
165 attrib.event_mask = PropertyChangeMask;
166 screen_support_win = XCreateWindow(obt_display, obt_root(ob_screen),
168 CopyFromParent, InputOutput,
170 CWEventMask | CWOverrideRedirect,
172 XMapWindow(obt_display, screen_support_win);
173 XLowerWindow(obt_display, screen_support_win);
176 XDestroyWindow(obt_display, screen_support_win);
180 obt_display_ignore_errors(TRUE);
181 XSelectInput(obt_display, obt_root(ob_screen), ROOT_EVENTMASK);
182 obt_display_ignore_errors(FALSE);
183 if (obt_display_error_occured) {
184 g_message(_("A window manager is already running on screen %d"),
187 XDestroyWindow(obt_display, screen_support_win);
191 screen_set_root_cursor();
193 /* set the OPENBOX_PID hint */
195 OBT_PROP_SET32(obt_root(ob_screen), OPENBOX_PID, CARDINAL, pid);
197 /* set supporting window */
198 OBT_PROP_SET32(obt_root(ob_screen),
199 NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
201 /* set properties on the supporting window */
202 OBT_PROP_SETS(screen_support_win, NET_WM_NAME, utf8, "Openbox");
203 OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
204 WINDOW, screen_support_win);
206 /* set the _NET_SUPPORTED_ATOMS hint */
208 /* this is all the atoms after NET_SUPPORTED in the ObtPropAtoms enum */
209 num_support = OBT_PROP_NUM_ATOMS - OBT_PROP_NET_SUPPORTED - 1;
211 supported = g_new(gulong, num_support);
212 supported[i++] = OBT_PROP_ATOM(NET_SUPPORTING_WM_CHECK);
213 supported[i++] = OBT_PROP_ATOM(NET_WM_FULL_PLACEMENT);
214 supported[i++] = OBT_PROP_ATOM(NET_CURRENT_DESKTOP);
215 supported[i++] = OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS);
216 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_GEOMETRY);
217 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_VIEWPORT);
218 supported[i++] = OBT_PROP_ATOM(NET_ACTIVE_WINDOW);
219 supported[i++] = OBT_PROP_ATOM(NET_WORKAREA);
220 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST);
221 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST_STACKING);
222 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_NAMES);
223 supported[i++] = OBT_PROP_ATOM(NET_CLOSE_WINDOW);
224 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_LAYOUT);
225 supported[i++] = OBT_PROP_ATOM(NET_SHOWING_DESKTOP);
226 supported[i++] = OBT_PROP_ATOM(NET_WM_NAME);
227 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_NAME);
228 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_NAME);
229 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_ICON_NAME);
230 supported[i++] = OBT_PROP_ATOM(NET_WM_DESKTOP);
231 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT);
232 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT_PARTIAL);
233 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON);
234 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_GEOMETRY);
235 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE);
236 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP);
237 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK);
238 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR);
239 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU);
240 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY);
241 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH);
242 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
243 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
244 supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
245 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
246 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
247 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
248 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
249 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
250 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
251 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
252 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
253 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
254 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
255 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
256 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE);
257 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
258 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
259 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
260 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
261 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
262 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
263 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
264 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
265 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
266 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
267 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
268 supported[i++] = OBT_PROP_ATOM(NET_MOVERESIZE_WINDOW);
269 supported[i++] = OBT_PROP_ATOM(NET_WM_MOVERESIZE);
270 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME);
272 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME_WINDOW);
274 supported[i++] = OBT_PROP_ATOM(NET_FRAME_EXTENTS);
275 supported[i++] = OBT_PROP_ATOM(NET_REQUEST_FRAME_EXTENTS);
276 supported[i++] = OBT_PROP_ATOM(NET_RESTACK_WINDOW);
277 supported[i++] = OBT_PROP_ATOM(NET_STARTUP_ID);
279 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST);
280 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST_COUNTER);
282 supported[i++] = OBT_PROP_ATOM(NET_WM_PID);
283 supported[i++] = OBT_PROP_ATOM(NET_WM_PING);
285 supported[i++] = OBT_PROP_ATOM(KDE_WM_CHANGE_STATE);
286 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_FRAME_STRUT);
287 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
289 supported[i++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
290 supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
291 supported[i++] = OBT_PROP_ATOM(OPENBOX_PID);
292 supported[i++] = OBT_PROP_ATOM(OB_THEME);
293 supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
294 supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
295 supported[i++] = OBT_PROP_ATOM(OB_ROLE);
296 supported[i++] = OBT_PROP_ATOM(OB_NAME);
297 supported[i++] = OBT_PROP_ATOM(OB_CLASS);
298 g_assert(i == num_support);
300 OBT_PROP_SETA32(obt_root(ob_screen),
301 NET_SUPPORTED, ATOM, supported, num_support);
304 screen_tell_ksplash();
309 static void screen_tell_ksplash(void)
314 argv = g_new(gchar*, 6);
315 argv[0] = g_strdup("dcop");
316 argv[1] = g_strdup("ksplash");
317 argv[2] = g_strdup("ksplash");
318 argv[3] = g_strdup("upAndRunning(QString)");
319 argv[4] = g_strdup("wm started");
322 /* tell ksplash through the dcop server command line interface */
323 g_spawn_async(NULL, argv, NULL,
324 G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
325 G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
326 NULL, NULL, NULL, NULL);
329 /* i'm not sure why we do this, kwin does it, but ksplash doesn't seem to
330 hear it anyways. perhaps it is for old ksplash. or new ksplash. or
331 something. oh well. */
332 e.xclient.type = ClientMessage;
333 e.xclient.display = obt_display;
334 e.xclient.window = obt_root(ob_screen);
335 e.xclient.message_type =
336 XInternAtom(obt_display, "_KDE_SPLASH_PROGRESS", False);
337 e.xclient.format = 8;
338 strcpy(e.xclient.data.b, "wm started");
339 XSendEvent(obt_display, obt_root(ob_screen),
340 False, SubstructureNotifyMask, &e);
343 void screen_startup(gboolean reconfig)
345 gchar **names = NULL;
347 gboolean namesexist = FALSE;
349 desktop_popup = pager_popup_new();
350 pager_popup_height(desktop_popup, POPUP_HEIGHT);
353 /* update the pager popup's width */
354 pager_popup_text_width_to_strings(desktop_popup,
355 screen_desktop_names,
356 screen_num_desktops);
360 /* get the initial size */
363 /* have names already been set for the desktops? */
364 if (OBT_PROP_GETSS(obt_root(ob_screen), NET_DESKTOP_NAMES, utf8, &names)) {
369 /* if names don't exist and we have session names, set those.
370 do this stuff BEFORE setting the number of desktops, because that
371 will create default names for them
373 if (!namesexist && session_desktop_names != NULL) {
377 /* get the desktop names */
378 numnames = g_slist_length(session_desktop_names);
379 names = g_new(gchar*, numnames + 1);
380 names[numnames] = NULL;
381 for (i = 0, it = session_desktop_names; it; ++i, it = g_slist_next(it))
382 names[i] = g_strdup(it->data);
384 /* set the root window property */
385 OBT_PROP_SETSS(obt_root(ob_screen),
386 NET_DESKTOP_NAMES, utf8, (const gchar**)names);
391 /* set the number of desktops, if it's not already set.
393 this will also set the default names from the config file up for
394 desktops that don't have names yet */
395 screen_num_desktops = 0;
396 if (OBT_PROP_GET32(obt_root(ob_screen),
397 NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
399 if (d != config_desktops_num) {
400 /* TRANSLATORS: If you need to specify a different order of the
401 arguments, you can use %1$d for the first one and %2$d for the
402 second one. For example,
403 "The current session has %2$d desktops, but Openbox is configured for %1$d ..." */
404 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),
405 config_desktops_num, d);
407 screen_set_num_desktops(d);
409 /* restore from session if possible */
410 else if (session_num_desktops)
411 screen_set_num_desktops(session_num_desktops);
413 screen_set_num_desktops(config_desktops_num);
415 screen_desktop = screen_num_desktops; /* something invalid */
416 /* start on the current desktop when a wm was already running */
417 if (OBT_PROP_GET32(obt_root(ob_screen),
418 NET_CURRENT_DESKTOP, CARDINAL, &d) &&
419 d < screen_num_desktops)
421 screen_set_desktop(d, FALSE);
422 } else if (session_desktop >= 0)
423 screen_set_desktop(MIN((guint)session_desktop,
424 screen_num_desktops), FALSE);
426 screen_set_desktop(MIN(config_screen_firstdesk,
427 screen_num_desktops) - 1, FALSE);
428 screen_last_desktop = screen_desktop;
430 /* don't start in showing-desktop mode */
431 screen_showing_desktop = FALSE;
432 OBT_PROP_SET32(obt_root(ob_screen),
433 NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop);
435 if (session_desktop_layout_present &&
436 screen_validate_layout(&session_desktop_layout))
438 screen_desktop_layout = session_desktop_layout;
441 screen_update_layout();
444 void screen_shutdown(gboolean reconfig)
446 pager_popup_free(desktop_popup);
451 XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
453 /* we're not running here no more! */
454 OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
456 OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
457 /* don't keep this mode */
458 OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
460 XDestroyWindow(obt_display, screen_support_win);
462 g_strfreev(screen_desktop_names);
463 screen_desktop_names = NULL;
466 void screen_resize(void)
468 static gint oldw = 0, oldh = 0;
473 w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
474 h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
476 if (w == oldw && h == oldh) return;
480 /* Set the _NET_DESKTOP_GEOMETRY hint */
481 screen_physical_size.width = geometry[0] = w;
482 screen_physical_size.height = geometry[1] = h;
483 OBT_PROP_SETA32(obt_root(ob_screen),
484 NET_DESKTOP_GEOMETRY, CARDINAL, geometry, 2);
486 if (ob_state() != OB_STATE_RUNNING)
489 screen_update_areas();
492 for (it = client_list; it; it = g_list_next(it))
493 client_move_onscreen(it->data, FALSE);
496 void screen_set_num_desktops(guint num)
499 GList *it, *stacking_copy;
503 if (screen_num_desktops == num) return;
505 screen_num_desktops = num;
506 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
508 /* set the viewport hint */
509 viewport = g_new0(gulong, num * 2);
510 OBT_PROP_SETA32(obt_root(ob_screen),
511 NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
514 /* the number of rows/columns will differ */
515 screen_update_layout();
517 /* move windows on desktops that will no longer exist!
518 make a copy of the list cuz we're changing it */
519 stacking_copy = g_list_copy(stacking_list);
520 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
521 if (WINDOW_IS_CLIENT(it->data)) {
522 ObClient *c = it->data;
523 if (c->desktop != DESKTOP_ALL && c->desktop >= num)
524 client_set_desktop(c, num - 1, FALSE, TRUE);
525 /* raise all the windows that are on the current desktop which
527 else if (screen_desktop == num - 1 &&
528 (c->desktop == DESKTOP_ALL ||
529 c->desktop == screen_desktop))
530 stacking_raise(CLIENT_AS_WINDOW(c));
533 g_list_free(stacking_copy);
535 /* change our struts/area to match (after moving windows) */
536 screen_update_areas();
538 /* may be some unnamed desktops that we need to fill in with names
539 (after updating the areas so the popup can resize) */
540 screen_update_desktop_names();
542 /* change our desktop if we're on one that no longer exists! */
543 if (screen_desktop >= screen_num_desktops)
544 screen_set_desktop(num - 1, TRUE);
547 static void screen_fallback_focus(void)
552 /* only allow omnipresent windows to get focus on desktop change if
553 an omnipresent window is already focused (it'll keep focus probably, but
554 maybe not depending on mouse-focus options) */
555 allow_omni = focus_client && (client_normal(focus_client) &&
556 focus_client->desktop == DESKTOP_ALL);
558 /* the client moved there already so don't move focus. prevent flicker
559 on sendtodesktop + follow */
560 if (focus_client && focus_client->desktop == screen_desktop)
563 /* have to try focus here because when you leave an empty desktop
564 there is no focus out to watch for. also, we have different rules
565 here. we always allow it to look under the mouse pointer if
566 config_focus_last is FALSE
568 do this before hiding the windows so if helper windows are coming
569 with us, they don't get hidden
571 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
574 /* only do the flicker reducing stuff ahead of time if we are going
575 to call xsetinputfocus on the window ourselves. otherwise there is
576 no guarantee the window will actually take focus.. */
578 /* reduce flicker by hiliting now rather than waiting for the
579 server FocusIn event */
580 frame_adjust_focus(c->frame, TRUE);
581 /* do this here so that if you switch desktops to a window with
582 helper windows then the helper windows won't flash */
583 client_bring_helper_windows(c);
588 static gboolean last_desktop_func(gpointer data)
590 screen_desktop_timeout = TRUE;
594 void screen_set_desktop(guint num, gboolean dofocus)
600 g_assert(num < screen_num_desktops);
602 previous = screen_desktop;
603 screen_desktop = num;
605 if (previous == num) return;
607 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
609 /* This whole thing decides when/how to save the screen_last_desktop so
610 that it can be restored later if you want */
611 if (screen_desktop_timeout) {
612 /* If screen_desktop_timeout is true, then we've been on this desktop
613 long enough and we can save it as the last desktop. */
615 if (screen_last_desktop == previous)
616 /* this is the startup state only */
617 screen_old_desktop = screen_desktop;
619 /* save the "last desktop" as the "old desktop" */
620 screen_old_desktop = screen_last_desktop;
621 /* save the desktop we're coming from as the "last desktop" */
622 screen_last_desktop = previous;
626 /* If screen_desktop_timeout is false, then we just got to this desktop
627 and we are moving away again. */
629 if (screen_desktop == screen_last_desktop) {
630 /* If we are moving to the "last desktop" .. */
631 if (previous == screen_old_desktop) {
632 /* .. from the "old desktop", change the last desktop to
633 be where we are coming from */
634 screen_last_desktop = screen_old_desktop;
636 else if (screen_last_desktop == screen_old_desktop) {
637 /* .. and also to the "old desktop", change the "last
638 desktop" to be where we are coming from */
639 screen_last_desktop = previous;
642 /* .. from some other desktop, then set the "last desktop" to
643 be the saved "old desktop", i.e. where we were before the
645 screen_last_desktop = screen_old_desktop;
649 /* If we are moving to any desktop besides the "last desktop"..
650 (this is the normal case) */
651 if (screen_desktop == screen_old_desktop) {
652 /* If moving to the "old desktop", which is not the
653 "last desktop", don't save anything */
655 else if (previous == screen_old_desktop) {
656 /* If moving from the "old desktop", and not to the
657 "last desktop", don't save anything */
659 else if (screen_last_desktop == screen_old_desktop) {
660 /* If the "last desktop" is the same as "old desktop" and
661 you're not moving to the "last desktop" then save where
662 we're coming from as the "last desktop" */
663 screen_last_desktop = previous;
666 /* If the "last desktop" is different from the "old desktop"
667 and you're not moving to the "last desktop", then don't save
672 screen_desktop_timeout = FALSE;
673 obt_main_loop_timeout_remove(ob_main_loop, last_desktop_func);
674 obt_main_loop_timeout_add(ob_main_loop, REMEMBER_LAST_DESKTOP_TIME,
675 last_desktop_func, NULL, NULL, NULL);
677 ob_debug("Moving to desktop %d", num+1);
679 if (ob_state() == OB_STATE_RUNNING)
680 screen_show_desktop_popup(screen_desktop);
682 /* ignore enter events caused by the move */
683 ignore_start = event_start_ignore_all_enters();
685 if (moveresize_client)
686 client_set_desktop(moveresize_client, num, TRUE, FALSE);
688 /* show windows before hiding the rest to lessen the enter/leave events */
690 /* show windows from top to bottom */
691 for (it = stacking_list; it; it = g_list_next(it)) {
692 if (WINDOW_IS_CLIENT(it->data)) {
693 ObClient *c = it->data;
698 if (dofocus) screen_fallback_focus();
700 /* hide windows from bottom to top */
701 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
702 if (WINDOW_IS_CLIENT(it->data)) {
703 ObClient *c = it->data;
705 if (c == focus_client) {
706 /* c was focused and we didn't do fallback clearly so make sure
707 openbox doesnt still consider the window focused.
708 this happens when using NextWindow with allDesktops, since
709 it doesnt want to move focus on desktop change, but the
710 focus is not going to stay with the current window, which
711 has now disappeared */
712 focus_set_client(NULL);
717 event_end_ignore_all_enters(ignore_start);
719 if (event_curtime != CurrentTime)
720 screen_desktop_user_time = event_curtime;
723 void screen_add_desktop(gboolean current)
727 /* ignore enter events caused by this */
728 ignore_start = event_start_ignore_all_enters();
730 screen_set_num_desktops(screen_num_desktops+1);
732 /* move all the clients over */
736 for (it = client_list; it; it = g_list_next(it)) {
737 ObClient *c = it->data;
738 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
739 /* don't move direct children, they'll be moved with their
740 parent - which will have to be on the same desktop */
741 !client_direct_parent(c))
743 ob_debug("moving window %s", c->title);
744 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
749 event_end_ignore_all_enters(ignore_start);
752 void screen_remove_desktop(gboolean current)
754 guint rmdesktop, movedesktop;
755 GList *it, *stacking_copy;
758 if (screen_num_desktops <= 1) return;
760 /* ignore enter events caused by this */
761 ignore_start = event_start_ignore_all_enters();
763 /* what desktop are we removing and moving to? */
765 rmdesktop = screen_desktop;
767 rmdesktop = screen_num_desktops - 1;
768 if (rmdesktop < screen_num_desktops - 1)
769 movedesktop = rmdesktop + 1;
771 movedesktop = rmdesktop;
773 /* make a copy of the list cuz we're changing it */
774 stacking_copy = g_list_copy(stacking_list);
775 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
776 if (WINDOW_IS_CLIENT(it->data)) {
777 ObClient *c = it->data;
778 guint d = c->desktop;
779 if (d != DESKTOP_ALL && d >= movedesktop &&
780 /* don't move direct children, they'll be moved with their
781 parent - which will have to be on the same desktop */
782 !client_direct_parent(c))
784 ob_debug("moving window %s", c->title);
785 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
787 /* raise all the windows that are on the current desktop which
789 if ((screen_desktop == rmdesktop - 1 ||
790 screen_desktop == rmdesktop) &&
791 (d == DESKTOP_ALL || d == screen_desktop))
793 stacking_raise(CLIENT_AS_WINDOW(c));
794 ob_debug("raising window %s", c->title);
798 g_list_free(stacking_copy);
800 /* fallback focus like we're changing desktops */
801 if (screen_desktop < screen_num_desktops - 1) {
802 screen_fallback_focus();
803 ob_debug("fake desktop change");
806 screen_set_num_desktops(screen_num_desktops-1);
808 event_end_ignore_all_enters(ignore_start);
811 static void get_row_col(guint d, guint *r, guint *c)
813 switch (screen_desktop_layout.orientation) {
814 case OB_ORIENTATION_HORZ:
815 switch (screen_desktop_layout.start_corner) {
816 case OB_CORNER_TOPLEFT:
817 *r = d / screen_desktop_layout.columns;
818 *c = d % screen_desktop_layout.columns;
820 case OB_CORNER_BOTTOMLEFT:
821 *r = screen_desktop_layout.rows - 1 -
822 d / screen_desktop_layout.columns;
823 *c = d % screen_desktop_layout.columns;
825 case OB_CORNER_TOPRIGHT:
826 *r = d / screen_desktop_layout.columns;
827 *c = screen_desktop_layout.columns - 1 -
828 d % screen_desktop_layout.columns;
830 case OB_CORNER_BOTTOMRIGHT:
831 *r = screen_desktop_layout.rows - 1 -
832 d / screen_desktop_layout.columns;
833 *c = screen_desktop_layout.columns - 1 -
834 d % screen_desktop_layout.columns;
838 case OB_ORIENTATION_VERT:
839 switch (screen_desktop_layout.start_corner) {
840 case OB_CORNER_TOPLEFT:
841 *r = d % screen_desktop_layout.rows;
842 *c = d / screen_desktop_layout.rows;
844 case OB_CORNER_BOTTOMLEFT:
845 *r = screen_desktop_layout.rows - 1 -
846 d % screen_desktop_layout.rows;
847 *c = d / screen_desktop_layout.rows;
849 case OB_CORNER_TOPRIGHT:
850 *r = d % screen_desktop_layout.rows;
851 *c = screen_desktop_layout.columns - 1 -
852 d / screen_desktop_layout.rows;
854 case OB_CORNER_BOTTOMRIGHT:
855 *r = screen_desktop_layout.rows - 1 -
856 d % screen_desktop_layout.rows;
857 *c = screen_desktop_layout.columns - 1 -
858 d / screen_desktop_layout.rows;
865 static guint translate_row_col(guint r, guint c)
867 switch (screen_desktop_layout.orientation) {
868 case OB_ORIENTATION_HORZ:
869 switch (screen_desktop_layout.start_corner) {
870 case OB_CORNER_TOPLEFT:
871 return r % screen_desktop_layout.rows *
872 screen_desktop_layout.columns +
873 c % screen_desktop_layout.columns;
874 case OB_CORNER_BOTTOMLEFT:
875 return (screen_desktop_layout.rows - 1 -
876 r % screen_desktop_layout.rows) *
877 screen_desktop_layout.columns +
878 c % screen_desktop_layout.columns;
879 case OB_CORNER_TOPRIGHT:
880 return r % screen_desktop_layout.rows *
881 screen_desktop_layout.columns +
882 (screen_desktop_layout.columns - 1 -
883 c % screen_desktop_layout.columns);
884 case OB_CORNER_BOTTOMRIGHT:
885 return (screen_desktop_layout.rows - 1 -
886 r % screen_desktop_layout.rows) *
887 screen_desktop_layout.columns +
888 (screen_desktop_layout.columns - 1 -
889 c % screen_desktop_layout.columns);
891 case OB_ORIENTATION_VERT:
892 switch (screen_desktop_layout.start_corner) {
893 case OB_CORNER_TOPLEFT:
894 return c % screen_desktop_layout.columns *
895 screen_desktop_layout.rows +
896 r % screen_desktop_layout.rows;
897 case OB_CORNER_BOTTOMLEFT:
898 return c % screen_desktop_layout.columns *
899 screen_desktop_layout.rows +
900 (screen_desktop_layout.rows - 1 -
901 r % screen_desktop_layout.rows);
902 case OB_CORNER_TOPRIGHT:
903 return (screen_desktop_layout.columns - 1 -
904 c % screen_desktop_layout.columns) *
905 screen_desktop_layout.rows +
906 r % screen_desktop_layout.rows;
907 case OB_CORNER_BOTTOMRIGHT:
908 return (screen_desktop_layout.columns - 1 -
909 c % screen_desktop_layout.columns) *
910 screen_desktop_layout.rows +
911 (screen_desktop_layout.rows - 1 -
912 r % screen_desktop_layout.rows);
915 g_assert_not_reached();
919 static gboolean hide_desktop_popup_func(gpointer data)
921 pager_popup_hide(desktop_popup);
922 return FALSE; /* don't repeat */
925 void screen_show_desktop_popup(guint d)
929 /* 0 means don't show the popup */
930 if (!config_desktop_popup_time) return;
932 a = screen_physical_area_primary(FALSE);
933 pager_popup_position(desktop_popup, CenterGravity,
934 a->x + a->width / 2, a->y + a->height / 2);
935 pager_popup_icon_size_multiplier(desktop_popup,
936 (screen_desktop_layout.columns /
937 screen_desktop_layout.rows) / 2,
938 (screen_desktop_layout.rows/
939 screen_desktop_layout.columns) / 2);
940 pager_popup_max_width(desktop_popup,
941 MAX(a->width/3, POPUP_WIDTH));
942 pager_popup_show(desktop_popup, screen_desktop_names[d], d);
944 obt_main_loop_timeout_remove(ob_main_loop, hide_desktop_popup_func);
945 obt_main_loop_timeout_add(ob_main_loop, config_desktop_popup_time * 1000,
946 hide_desktop_popup_func, desktop_popup,
947 g_direct_equal, NULL);
951 void screen_hide_desktop_popup(void)
953 obt_main_loop_timeout_remove_data(ob_main_loop, hide_desktop_popup_func,
954 desktop_popup, FALSE);
955 pager_popup_hide(desktop_popup);
958 guint screen_find_desktop(guint from, ObDirection dir,
959 gboolean wrap, gboolean linear)
965 get_row_col(d, &r, &c);
968 case OB_DIRECTION_EAST:
969 if (d < screen_num_desktops - 1)
976 case OB_DIRECTION_WEST:
980 d = screen_num_desktops - 1;
985 g_assert_not_reached();
990 case OB_DIRECTION_EAST:
992 if (c >= screen_desktop_layout.columns) {
998 d = translate_row_col(r, c);
999 if (d >= screen_num_desktops) {
1006 case OB_DIRECTION_WEST:
1008 if (c >= screen_desktop_layout.columns) {
1010 c = screen_desktop_layout.columns - 1;
1014 d = translate_row_col(r, c);
1015 if (d >= screen_num_desktops) {
1022 case OB_DIRECTION_SOUTH:
1024 if (r >= screen_desktop_layout.rows) {
1030 d = translate_row_col(r, c);
1031 if (d >= screen_num_desktops) {
1038 case OB_DIRECTION_NORTH:
1040 if (r >= screen_desktop_layout.rows) {
1042 r = screen_desktop_layout.rows - 1;
1046 d = translate_row_col(r, c);
1047 if (d >= screen_num_desktops) {
1055 g_assert_not_reached();
1059 d = translate_row_col(r, c);
1064 static gboolean screen_validate_layout(ObDesktopLayout *l)
1066 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1069 /* fill in a zero rows/columns */
1070 if (l->columns == 0) {
1071 l->columns = screen_num_desktops / l->rows;
1072 if (l->rows * l->columns < screen_num_desktops)
1074 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1076 } else if (l->rows == 0) {
1077 l->rows = screen_num_desktops / l->columns;
1078 if (l->columns * l->rows < screen_num_desktops)
1080 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1084 /* bounds checking */
1085 if (l->orientation == OB_ORIENTATION_HORZ) {
1086 l->columns = MIN(screen_num_desktops, l->columns);
1087 l->rows = MIN(l->rows,
1088 (screen_num_desktops + l->columns - 1) / l->columns);
1089 l->columns = screen_num_desktops / l->rows +
1090 !!(screen_num_desktops % l->rows);
1092 l->rows = MIN(screen_num_desktops, l->rows);
1093 l->columns = MIN(l->columns,
1094 (screen_num_desktops + l->rows - 1) / l->rows);
1095 l->rows = screen_num_desktops / l->columns +
1096 !!(screen_num_desktops % l->columns);
1101 void screen_update_layout(void)
1108 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1109 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1110 screen_desktop_layout.rows = 1;
1111 screen_desktop_layout.columns = screen_num_desktops;
1113 if (OBT_PROP_GETA32(obt_root(ob_screen),
1114 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1115 if (num == 3 || num == 4) {
1117 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1118 l.orientation = OB_ORIENTATION_VERT;
1119 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1120 l.orientation = OB_ORIENTATION_HORZ;
1125 l.start_corner = OB_CORNER_TOPLEFT;
1127 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1128 l.start_corner = OB_CORNER_TOPLEFT;
1129 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1130 l.start_corner = OB_CORNER_TOPRIGHT;
1131 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1132 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1133 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1134 l.start_corner = OB_CORNER_BOTTOMLEFT;
1139 l.columns = data[1];
1142 if (screen_validate_layout(&l))
1143 screen_desktop_layout = l;
1150 void screen_update_desktop_names(void)
1154 /* empty the array */
1155 g_strfreev(screen_desktop_names);
1156 screen_desktop_names = NULL;
1158 if (OBT_PROP_GETSS(obt_root(ob_screen),
1159 NET_DESKTOP_NAMES, utf8, &screen_desktop_names))
1160 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1163 if (i < screen_num_desktops) {
1166 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1167 screen_num_desktops + 1);
1168 screen_desktop_names[screen_num_desktops] = NULL;
1170 it = g_slist_nth(config_desktops_names, i);
1172 for (; i < screen_num_desktops; ++i) {
1173 if (it && ((char*)it->data)[0]) /* not empty */
1174 /* use the names from the config file when possible */
1175 screen_desktop_names[i] = g_strdup(it->data);
1177 /* make up a nice name if it's not though */
1178 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1180 if (it) it = g_slist_next(it);
1183 /* if we changed any names, then set the root property so we can
1184 all agree on the names */
1185 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1186 utf8, (const gchar**)screen_desktop_names);
1189 /* resize the pager for these names */
1190 pager_popup_text_width_to_strings(desktop_popup,
1191 screen_desktop_names,
1192 screen_num_desktops);
1195 void screen_show_desktop(gboolean show, ObClient *show_only)
1199 if (show == screen_showing_desktop) return; /* no change */
1201 screen_showing_desktop = show;
1204 /* hide windows bottom to top */
1205 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1206 if (WINDOW_IS_CLIENT(it->data)) {
1207 ObClient *client = it->data;
1208 client_showhide(client);
1213 /* restore windows top to bottom */
1214 for (it = stacking_list; it; it = g_list_next(it)) {
1215 if (WINDOW_IS_CLIENT(it->data)) {
1216 ObClient *client = it->data;
1217 if (client_should_show(client)) {
1218 if (!show_only || client == show_only)
1219 client_show(client);
1221 client_iconify(client, TRUE, FALSE, TRUE);
1228 /* focus the desktop */
1229 for (it = focus_order; it; it = g_list_next(it)) {
1230 ObClient *c = it->data;
1231 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1232 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1233 client_focus(it->data))
1237 else if (!show_only) {
1240 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1241 /* only do the flicker reducing stuff ahead of time if we are going
1242 to call xsetinputfocus on the window ourselves. otherwise there
1243 is no guarantee the window will actually take focus.. */
1245 /* reduce flicker by hiliting now rather than waiting for the
1246 server FocusIn event */
1247 frame_adjust_focus(c->frame, TRUE);
1252 show = !!show; /* make it boolean */
1253 OBT_PROP_SET32(obt_root(ob_screen), NET_SHOWING_DESKTOP, CARDINAL, show);
1256 void screen_install_colormap(ObClient *client, gboolean install)
1258 if (client == NULL || client->colormap == None) {
1260 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1262 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1264 obt_display_ignore_errors(TRUE);
1266 XInstallColormap(obt_display, client->colormap);
1268 XUninstallColormap(obt_display, client->colormap);
1269 obt_display_ignore_errors(FALSE);
1275 StrutPartial *strut;
1278 #define RESET_STRUT_LIST(sl) \
1279 (g_slist_free(sl), sl = NULL)
1281 #define ADD_STRUT_TO_LIST(sl, d, s) \
1283 ObScreenStrut *ss = g_new(ObScreenStrut, 1); \
1286 sl = g_slist_prepend(sl, ss); \
1289 #define VALIDATE_STRUTS(sl, side, max) \
1292 for (it = sl; it; it = g_slist_next(it)) { \
1293 ObScreenStrut *ss = it->data; \
1294 ss->strut->side = MIN(max, ss->strut->side); \
1298 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1303 XineramaScreenInfo *info;
1306 if (ob_debug_xinerama) {
1307 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1308 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1310 *xin_areas = g_new(Rect, *nxin + 1);
1311 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1312 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1315 else if (obt_display_extension_xinerama &&
1316 (info = XineramaQueryScreens(obt_display, &n))) {
1318 *xin_areas = g_new(Rect, *nxin + 1);
1319 for (i = 0; i < *nxin; ++i)
1320 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1321 info[i].width, info[i].height);
1327 *xin_areas = g_new(Rect, *nxin + 1);
1328 RECT_SET((*xin_areas)[0], 0, 0,
1329 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1330 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1333 /* returns one extra with the total area in it */
1334 l = (*xin_areas)[0].x;
1335 t = (*xin_areas)[0].y;
1336 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1337 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1338 for (i = 1; i < *nxin; ++i) {
1339 l = MIN(l, (*xin_areas)[i].x);
1340 t = MIN(l, (*xin_areas)[i].y);
1341 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1342 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1344 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1347 void screen_update_areas(void)
1354 g_free(monitor_area);
1355 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1357 /* set up the user-specified margins */
1358 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1359 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1360 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1361 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1362 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1363 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1364 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1365 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1367 dims = g_new(gulong, 4 * screen_num_desktops);
1369 RESET_STRUT_LIST(struts_left);
1370 RESET_STRUT_LIST(struts_top);
1371 RESET_STRUT_LIST(struts_right);
1372 RESET_STRUT_LIST(struts_bottom);
1374 /* collect the struts */
1375 for (it = client_list; it; it = g_list_next(it)) {
1376 ObClient *c = it->data;
1378 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1380 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1382 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1383 if (c->strut.bottom)
1384 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1386 if (dock_strut.left)
1387 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1389 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1390 if (dock_strut.right)
1391 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1392 if (dock_strut.bottom)
1393 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1395 if (config_margins.left)
1396 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1397 if (config_margins.top)
1398 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1399 if (config_margins.right)
1400 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1401 if (config_margins.bottom)
1402 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1404 VALIDATE_STRUTS(struts_left, left,
1405 monitor_area[screen_num_monitors].width / 2);
1406 VALIDATE_STRUTS(struts_right, right,
1407 monitor_area[screen_num_monitors].width / 2);
1408 VALIDATE_STRUTS(struts_top, top,
1409 monitor_area[screen_num_monitors].height / 2);
1410 VALIDATE_STRUTS(struts_bottom, bottom,
1411 monitor_area[screen_num_monitors].height / 2);
1413 /* set up the work area to be full screen across all monitors */
1414 for (j = 0; j < screen_num_desktops; ++j) {
1416 monitor_area[screen_num_monitors].x;
1418 monitor_area[screen_num_monitors].y;
1420 monitor_area[screen_num_monitors].width;
1422 monitor_area[screen_num_monitors].height;
1425 /* calculate the work area from the struts */
1426 for (j = 0; j < screen_num_desktops; ++j) {
1427 gint l = 0, r = 0, t = 0, b = 0;
1429 for (sit = struts_left; sit; sit = g_slist_next(sit)) {
1430 ObScreenStrut *s = sit->data;
1431 if (s->desktop == j || s->desktop == DESKTOP_ALL)
1432 l = MAX(l, s->strut->left);
1434 for (sit = struts_top; sit; sit = g_slist_next(sit)) {
1435 ObScreenStrut *s = sit->data;
1436 if (s->desktop == j || s->desktop == DESKTOP_ALL)
1437 t = MAX(t, s->strut->top);
1439 for (sit = struts_right; sit; sit = g_slist_next(sit)) {
1440 ObScreenStrut *s = sit->data;
1441 if (s->desktop == j || s->desktop == DESKTOP_ALL)
1442 r = MAX(r, s->strut->right);
1444 for (sit = struts_bottom; sit; sit = g_slist_next(sit)) {
1445 ObScreenStrut *s = sit->data;
1446 if (s->desktop == j || s->desktop == DESKTOP_ALL)
1447 b = MAX(b, s->strut->bottom);
1450 /* based on these margins, set the work area for the desktop */
1453 dims[j*4 + 2] -= l + r;
1454 dims[j*4 + 3] -= t + b;
1457 /* set the legacy workarea hint to the union of all the monitors */
1458 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1459 dims, 4 * screen_num_desktops);
1461 /* the area has changed, adjust all the windows if they need it */
1462 for (it = client_list; it; it = g_list_next(it))
1463 client_reconfigure(it->data, FALSE);
1469 Rect* screen_area_all_monitors(guint desktop)
1474 a = screen_area_monitor(desktop, 0);
1476 /* combine all the monitors together */
1477 for (i = 1; i < screen_num_monitors; ++i) {
1478 Rect *m = screen_area_monitor(desktop, i);
1481 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1482 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1483 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1484 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1486 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1495 #define STRUT_LEFT_IN_SEARCH(s, search) \
1496 (RANGES_INTERSECT(search->y, search->height, \
1497 s->left_start, s->left_end - s->left_start + 1))
1498 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1499 (RANGES_INTERSECT(search->y, search->height, \
1500 s->right_start, s->right_end - s->right_start + 1))
1501 #define STRUT_TOP_IN_SEARCH(s, search) \
1502 (RANGES_INTERSECT(search->x, search->width, \
1503 s->top_start, s->top_end - s->top_start + 1))
1504 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1505 (RANGES_INTERSECT(search->x, search->width, \
1506 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1508 #define STRUT_LEFT_IGNORE(s, us, search) \
1509 (head == SCREEN_AREA_ALL_MONITORS && us && \
1510 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1511 #define STRUT_RIGHT_IGNORE(s, us, search) \
1512 (head == SCREEN_AREA_ALL_MONITORS && us && \
1513 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1514 #define STRUT_TOP_IGNORE(s, us, search) \
1515 (head == SCREEN_AREA_ALL_MONITORS && us && \
1516 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1517 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1518 (head == SCREEN_AREA_ALL_MONITORS && us && \
1519 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1521 Rect* screen_area(guint desktop, guint head, Rect *search)
1527 gboolean us = search != NULL; /* user provided search */
1529 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1530 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1531 head == SCREEN_AREA_ALL_MONITORS);
1532 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1534 /* find any struts for this monitor
1535 which will be affecting the search area.
1538 /* search everything if search is null */
1540 if (head < screen_num_monitors) search = &monitor_area[head];
1541 else search = &monitor_area[screen_num_monitors];
1543 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1545 /* al is "all left" meaning the furthest left you can get, l is our
1546 "working left" meaning our current strut edge which we're calculating
1549 /* only include monitors which the search area lines up with */
1550 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1551 l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1552 t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1553 r = RECT_LEFT(monitor_area[screen_num_monitors]);
1554 b = RECT_TOP(monitor_area[screen_num_monitors]);
1555 for (i = 0; i < screen_num_monitors; ++i) {
1556 /* add the monitor if applicable */
1557 if (RANGES_INTERSECT(search->x, search->width,
1558 monitor_area[i].x, monitor_area[i].width))
1560 t = MIN(t, RECT_TOP(monitor_area[i]));
1561 b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1563 if (RANGES_INTERSECT(search->y, search->height,
1564 monitor_area[i].y, monitor_area[i].height))
1566 l = MIN(l, RECT_LEFT(monitor_area[i]));
1567 r = MAX(r, RECT_RIGHT(monitor_area[i]));
1571 l = RECT_LEFT(monitor_area[screen_num_monitors]);
1572 t = RECT_TOP(monitor_area[screen_num_monitors]);
1573 r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1574 b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1577 for (d = 0; d < screen_num_desktops; ++d) {
1578 if (d != desktop && desktop != DESKTOP_ALL) continue;
1580 for (i = 0; i < screen_num_monitors; ++i) {
1581 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1583 for (it = struts_left; it; it = g_slist_next(it)) {
1584 ObScreenStrut *s = it->data;
1585 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1586 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1587 !STRUT_LEFT_IGNORE(s->strut, us, search))
1588 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1591 for (it = struts_top; it; it = g_slist_next(it)) {
1592 ObScreenStrut *s = it->data;
1593 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1594 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1595 !STRUT_TOP_IGNORE(s->strut, us, search))
1596 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1599 for (it = struts_right; it; it = g_slist_next(it)) {
1600 ObScreenStrut *s = it->data;
1601 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1602 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1603 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1604 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1607 for (it = struts_bottom; it; it = g_slist_next(it)) {
1608 ObScreenStrut *s = it->data;
1609 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1610 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1611 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1612 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1613 - s->strut->bottom);
1616 /* limit to this monitor */
1618 l = MAX(l, RECT_LEFT(monitor_area[i]));
1619 t = MAX(t, RECT_TOP(monitor_area[i]));
1620 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1621 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1629 a->width = r - l + 1;
1630 a->height = b - t + 1;
1634 guint screen_find_monitor(Rect *search)
1637 guint most = screen_num_monitors;
1640 for (i = 0; i < screen_num_monitors; ++i) {
1641 Rect *area = screen_physical_area_monitor(i);
1642 if (RECT_INTERSECTS_RECT(*area, *search)) {
1646 RECT_SET_INTERSECTION(r, *area, *search);
1647 v = r.width * r.height;
1659 Rect* screen_physical_area_all_monitors(void)
1661 return screen_physical_area_monitor(screen_num_monitors);
1664 Rect* screen_physical_area_monitor(guint head)
1667 g_assert(head <= screen_num_monitors);
1670 *a = monitor_area[head];
1674 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1676 g_assert(head <= screen_num_monitors);
1678 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1681 guint screen_monitor_active(void)
1683 if (moveresize_client)
1684 return client_monitor(moveresize_client);
1685 else if (focus_client)
1686 return client_monitor(focus_client);
1688 return screen_monitor_pointer();
1691 Rect* screen_physical_area_active(void)
1693 return screen_physical_area_monitor(screen_monitor_active());
1696 guint screen_monitor_primary(gboolean fixed)
1698 if (config_primary_monitor_index > 0) {
1699 if (config_primary_monitor_index-1 < screen_num_monitors)
1700 return config_primary_monitor_index - 1;
1706 else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
1707 return screen_monitor_active();
1708 else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
1709 return screen_monitor_pointer();
1712 Rect *screen_physical_area_primary(gboolean fixed)
1714 return screen_physical_area_monitor(screen_monitor_primary(fixed));
1717 void screen_set_root_cursor(void)
1719 if (sn_app_starting())
1720 XDefineCursor(obt_display, obt_root(ob_screen),
1721 ob_cursor(OB_CURSOR_BUSYPOINTER));
1723 XDefineCursor(obt_display, obt_root(ob_screen),
1724 ob_cursor(OB_CURSOR_POINTER));
1727 guint screen_find_monitor_point(guint x, guint y)
1730 RECT_SET(mon, x, y, 1, 1);
1731 return screen_find_monitor(&mon);
1734 guint screen_monitor_pointer()
1737 if (!screen_pointer_pos(&x, &y))
1739 return screen_find_monitor_point(x, y);
1742 gboolean screen_pointer_pos(gint *x, gint *y)
1749 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1750 &w, &w, x, y, &i, &i, &u);
1752 for (i = 0; i < ScreenCount(obt_display); ++i)
1754 if (XQueryPointer(obt_display, obt_root(i),
1755 &w, &w, x, y, &i, &i, &u))