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"
33 #include "focus_cycle.h"
36 #include "obrender/render.h"
38 #include "obt/display.h"
39 #include "obt/xqueue.h"
44 # include <sys/types.h>
49 /*! The event mask to grab on the root window */
50 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
51 EnterWindowMask | LeaveWindowMask | \
52 SubstructureRedirectMask | FocusChangeMask | \
53 ButtonPressMask | ButtonReleaseMask)
55 static gboolean screen_validate_layout(ObDesktopLayout *l);
56 static gboolean replace_wm(void);
57 static void screen_tell_ksplash(void);
58 static void screen_fallback_focus(void);
60 guint screen_num_desktops;
61 guint screen_num_monitors;
63 guint screen_last_desktop;
64 gboolean screen_showing_desktop;
65 ObDesktopLayout screen_desktop_layout;
66 gchar **screen_desktop_names;
67 Window screen_support_win;
68 Time screen_desktop_user_time = CurrentTime;
70 static Size screen_physical_size;
71 static guint screen_old_desktop;
72 static gboolean screen_desktop_timeout = TRUE;
73 static guint screen_desktop_timer = 0;
74 /*! An array of desktops, holding an array of areas per monitor */
75 static Rect *monitor_area = NULL;
76 /*! An array of desktops, holding an array of struts */
77 static GSList *struts_top = NULL;
78 static GSList *struts_left = NULL;
79 static GSList *struts_right = NULL;
80 static GSList *struts_bottom = NULL;
82 static ObPagerPopup *desktop_popup;
83 static guint desktop_popup_timer = 0;
84 static gboolean desktop_popup_perm;
86 /*! The number of microseconds that you need to be on a desktop before it will
87 replace the remembered "last desktop" */
88 #define REMEMBER_LAST_DESKTOP_TIME 750
90 static gboolean replace_wm(void)
94 Window current_wm_sn_owner;
97 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
98 wm_sn_atom = XInternAtom(obt_display, wm_sn, FALSE);
101 current_wm_sn_owner = XGetSelectionOwner(obt_display, wm_sn_atom);
102 if (current_wm_sn_owner == screen_support_win)
103 current_wm_sn_owner = None;
104 if (current_wm_sn_owner) {
105 if (!ob_replace_wm) {
106 g_message(_("A window manager is already running on screen %d"),
110 obt_display_ignore_errors(TRUE);
112 /* We want to find out when the current selection owner dies */
113 XSelectInput(obt_display, current_wm_sn_owner, StructureNotifyMask);
114 XSync(obt_display, FALSE);
116 obt_display_ignore_errors(FALSE);
117 if (obt_display_error_occured)
118 current_wm_sn_owner = None;
121 timestamp = event_time();
123 XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
126 if (XGetSelectionOwner(obt_display, wm_sn_atom) != screen_support_win) {
127 g_message(_("Could not acquire window manager selection on screen %d"),
132 /* Wait for old window manager to go away */
133 if (current_wm_sn_owner) {
135 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
136 ObtXQueueWindowType wt;
138 wt.window = current_wm_sn_owner;
139 wt.type = DestroyNotify;
141 while (wait < timeout) {
142 /* Checks the local queue and incoming events for this event */
143 if (xqueue_exists_local(xqueue_match_window_type, &wt))
145 g_usleep(G_USEC_PER_SEC / 10);
146 wait += G_USEC_PER_SEC / 10;
149 if (wait >= timeout) {
150 g_message(_("The WM on screen %d is not exiting"), ob_screen);
155 /* Send client message indicating that we are now the WM */
156 obt_prop_message(ob_screen, obt_root(ob_screen), OBT_PROP_ATOM(MANAGER),
157 timestamp, wm_sn_atom, screen_support_win, 0, 0,
158 SubstructureNotifyMask);
163 gboolean screen_annex(void)
165 XSetWindowAttributes attrib;
170 /* create the netwm support window */
171 attrib.override_redirect = TRUE;
172 attrib.event_mask = PropertyChangeMask;
173 screen_support_win = XCreateWindow(obt_display, obt_root(ob_screen),
175 CopyFromParent, InputOutput,
177 CWEventMask | CWOverrideRedirect,
179 XMapWindow(obt_display, screen_support_win);
180 XLowerWindow(obt_display, screen_support_win);
183 XDestroyWindow(obt_display, screen_support_win);
187 obt_display_ignore_errors(TRUE);
188 XSelectInput(obt_display, obt_root(ob_screen), ROOT_EVENTMASK);
189 obt_display_ignore_errors(FALSE);
190 if (obt_display_error_occured) {
191 g_message(_("A window manager is already running on screen %d"),
194 XDestroyWindow(obt_display, screen_support_win);
198 screen_set_root_cursor();
200 /* set the OPENBOX_PID hint */
202 OBT_PROP_SET32(obt_root(ob_screen), OPENBOX_PID, CARDINAL, pid);
204 /* set supporting window */
205 OBT_PROP_SET32(obt_root(ob_screen),
206 NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
208 /* set properties on the supporting window */
209 OBT_PROP_SETS(screen_support_win, NET_WM_NAME, "Openbox");
210 OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
211 WINDOW, screen_support_win);
213 /* set the _NET_SUPPORTED_ATOMS hint */
215 /* this is all the atoms after NET_SUPPORTED in the ObtPropAtoms enum */
216 num_support = OBT_PROP_NUM_ATOMS - OBT_PROP_NET_SUPPORTED - 1;
218 supported = g_new(gulong, num_support);
219 supported[i++] = OBT_PROP_ATOM(NET_SUPPORTING_WM_CHECK);
220 supported[i++] = OBT_PROP_ATOM(NET_WM_FULL_PLACEMENT);
221 supported[i++] = OBT_PROP_ATOM(NET_CURRENT_DESKTOP);
222 supported[i++] = OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS);
223 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_GEOMETRY);
224 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_VIEWPORT);
225 supported[i++] = OBT_PROP_ATOM(NET_ACTIVE_WINDOW);
226 supported[i++] = OBT_PROP_ATOM(NET_WORKAREA);
227 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST);
228 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST_STACKING);
229 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_NAMES);
230 supported[i++] = OBT_PROP_ATOM(NET_CLOSE_WINDOW);
231 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_LAYOUT);
232 supported[i++] = OBT_PROP_ATOM(NET_SHOWING_DESKTOP);
233 supported[i++] = OBT_PROP_ATOM(NET_WM_NAME);
234 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_NAME);
235 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_NAME);
236 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_ICON_NAME);
237 supported[i++] = OBT_PROP_ATOM(NET_WM_DESKTOP);
238 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT);
239 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT_PARTIAL);
240 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON);
241 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_GEOMETRY);
242 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE);
243 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP);
244 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK);
245 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR);
246 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU);
247 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY);
248 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH);
249 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
250 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
251 supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
252 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_OPACITY);
253 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
254 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
255 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
256 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
257 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
258 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
259 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
260 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
261 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
262 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
263 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
264 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE);
265 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
266 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
267 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
268 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
269 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
270 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
271 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
272 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
273 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
274 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
275 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
276 supported[i++] = OBT_PROP_ATOM(NET_MOVERESIZE_WINDOW);
277 supported[i++] = OBT_PROP_ATOM(NET_WM_MOVERESIZE);
278 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME);
280 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME_WINDOW);
282 supported[i++] = OBT_PROP_ATOM(NET_FRAME_EXTENTS);
283 supported[i++] = OBT_PROP_ATOM(NET_REQUEST_FRAME_EXTENTS);
284 supported[i++] = OBT_PROP_ATOM(NET_RESTACK_WINDOW);
285 supported[i++] = OBT_PROP_ATOM(NET_STARTUP_ID);
287 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST);
288 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST_COUNTER);
290 supported[i++] = OBT_PROP_ATOM(NET_WM_PID);
291 supported[i++] = OBT_PROP_ATOM(NET_WM_PING);
293 supported[i++] = OBT_PROP_ATOM(KDE_WM_CHANGE_STATE);
294 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_FRAME_STRUT);
295 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
297 supported[i++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
298 supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
299 supported[i++] = OBT_PROP_ATOM(OPENBOX_PID);
300 supported[i++] = OBT_PROP_ATOM(OB_THEME);
301 supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
302 supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
303 supported[i++] = OBT_PROP_ATOM(OB_VERSION);
304 supported[i++] = OBT_PROP_ATOM(OB_APP_ROLE);
305 supported[i++] = OBT_PROP_ATOM(OB_APP_TITLE);
306 supported[i++] = OBT_PROP_ATOM(OB_APP_NAME);
307 supported[i++] = OBT_PROP_ATOM(OB_APP_CLASS);
308 supported[i++] = OBT_PROP_ATOM(OB_APP_GROUP_NAME);
309 supported[i++] = OBT_PROP_ATOM(OB_APP_GROUP_CLASS);
310 supported[i++] = OBT_PROP_ATOM(OB_APP_TYPE);
311 g_assert(i == num_support);
313 OBT_PROP_SETA32(obt_root(ob_screen),
314 NET_SUPPORTED, ATOM, supported, num_support);
317 OBT_PROP_SETS(RootWindow(obt_display, ob_screen), OB_VERSION,
320 screen_tell_ksplash();
325 static void screen_tell_ksplash(void)
330 argv = g_new(gchar*, 6);
331 argv[0] = g_strdup("dcop");
332 argv[1] = g_strdup("ksplash");
333 argv[2] = g_strdup("ksplash");
334 argv[3] = g_strdup("upAndRunning(QString)");
335 argv[4] = g_strdup("wm started");
338 /* tell ksplash through the dcop server command line interface */
339 g_spawn_async(NULL, argv, NULL,
340 G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
341 G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
342 NULL, NULL, NULL, NULL);
345 /* i'm not sure why we do this, kwin does it, but ksplash doesn't seem to
346 hear it anyways. perhaps it is for old ksplash. or new ksplash. or
347 something. oh well. */
348 e.xclient.type = ClientMessage;
349 e.xclient.display = obt_display;
350 e.xclient.window = obt_root(ob_screen);
351 e.xclient.message_type =
352 XInternAtom(obt_display, "_KDE_SPLASH_PROGRESS", False);
353 e.xclient.format = 8;
354 strcpy(e.xclient.data.b, "wm started");
355 XSendEvent(obt_display, obt_root(ob_screen),
356 False, SubstructureNotifyMask, &e);
359 void screen_startup(gboolean reconfig)
361 gchar **names = NULL;
363 gboolean namesexist = FALSE;
365 desktop_popup = pager_popup_new();
366 desktop_popup_perm = FALSE;
367 pager_popup_height(desktop_popup, POPUP_HEIGHT);
370 /* update the pager popup's width */
371 pager_popup_text_width_to_strings(desktop_popup,
372 screen_desktop_names,
373 screen_num_desktops);
377 /* get the initial size */
380 /* have names already been set for the desktops? */
381 if (OBT_PROP_GETSS_UTF8(obt_root(ob_screen), NET_DESKTOP_NAMES, &names)) {
386 /* if names don't exist and we have session names, set those.
387 do this stuff BEFORE setting the number of desktops, because that
388 will create default names for them
390 if (!namesexist && session_desktop_names != NULL) {
394 /* get the desktop names */
395 numnames = g_slist_length(session_desktop_names);
396 names = g_new(gchar*, numnames + 1);
397 names[numnames] = NULL;
398 for (i = 0, it = session_desktop_names; it; ++i, it = g_slist_next(it))
399 names[i] = g_strdup(it->data);
401 /* set the root window property */
402 OBT_PROP_SETSS(obt_root(ob_screen),
403 NET_DESKTOP_NAMES, (const gchar*const*)names);
408 /* set the number of desktops, if it's not already set.
410 this will also set the default names from the config file up for
411 desktops that don't have names yet */
412 screen_num_desktops = 0;
413 if (OBT_PROP_GET32(obt_root(ob_screen),
414 NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
416 if (d != config_desktops_num) {
417 /* TRANSLATORS: If you need to specify a different order of the
418 arguments, you can use %1$d for the first one and %2$d for the
419 second one. For example,
420 "The current session has %2$d desktops, but Openbox is configured for %1$d ..." */
421 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),
422 config_desktops_num, d);
424 screen_set_num_desktops(d);
426 /* restore from session if possible */
427 else if (session_num_desktops)
428 screen_set_num_desktops(session_num_desktops);
430 screen_set_num_desktops(config_desktops_num);
432 screen_desktop = screen_num_desktops; /* something invalid */
433 /* start on the current desktop when a wm was already running */
434 if (OBT_PROP_GET32(obt_root(ob_screen),
435 NET_CURRENT_DESKTOP, CARDINAL, &d) &&
436 d < screen_num_desktops)
438 screen_set_desktop(d, FALSE);
439 } else if (session_desktop >= 0)
440 screen_set_desktop(MIN((guint)session_desktop,
441 screen_num_desktops), FALSE);
443 screen_set_desktop(MIN(config_screen_firstdesk,
444 screen_num_desktops) - 1, FALSE);
445 screen_last_desktop = screen_desktop;
447 /* don't start in showing-desktop mode */
448 screen_showing_desktop = FALSE;
449 OBT_PROP_SET32(obt_root(ob_screen),
450 NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop);
452 if (session_desktop_layout_present &&
453 screen_validate_layout(&session_desktop_layout))
455 screen_desktop_layout = session_desktop_layout;
458 screen_update_layout();
461 void screen_shutdown(gboolean reconfig)
463 pager_popup_free(desktop_popup);
468 XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
470 /* we're not running here no more! */
471 OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
473 OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
474 /* don't keep this mode */
475 OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
477 XDestroyWindow(obt_display, screen_support_win);
479 g_strfreev(screen_desktop_names);
480 screen_desktop_names = NULL;
483 void screen_resize(void)
489 w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
490 h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
492 /* Set the _NET_DESKTOP_GEOMETRY hint */
493 screen_physical_size.width = geometry[0] = w;
494 screen_physical_size.height = geometry[1] = h;
495 OBT_PROP_SETA32(obt_root(ob_screen),
496 NET_DESKTOP_GEOMETRY, CARDINAL, geometry, 2);
498 if (ob_state() != OB_STATE_RUNNING)
501 /* this calls screen_update_areas(), which we need ! */
504 for (it = client_list; it; it = g_list_next(it)) {
505 client_move_onscreen(it->data, FALSE);
506 client_reconfigure(it->data, FALSE);
510 void screen_set_num_desktops(guint num)
513 GList *it, *stacking_copy;
517 if (screen_num_desktops == num) return;
519 screen_num_desktops = num;
520 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
522 /* set the viewport hint */
523 viewport = g_new0(gulong, num * 2);
524 OBT_PROP_SETA32(obt_root(ob_screen),
525 NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
528 /* the number of rows/columns will differ */
529 screen_update_layout();
531 /* move windows on desktops that will no longer exist!
532 make a copy of the list cuz we're changing it */
533 stacking_copy = g_list_copy(stacking_list);
534 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
535 if (WINDOW_IS_CLIENT(it->data)) {
536 ObClient *c = it->data;
537 if (c->desktop != DESKTOP_ALL && c->desktop >= num)
538 client_set_desktop(c, num - 1, FALSE, TRUE);
539 /* raise all the windows that are on the current desktop which
541 else if (screen_desktop == num - 1 &&
542 (c->desktop == DESKTOP_ALL ||
543 c->desktop == screen_desktop))
544 stacking_raise(CLIENT_AS_WINDOW(c));
547 g_list_free(stacking_copy);
549 /* change our struts/area to match (after moving windows) */
550 screen_update_areas();
552 /* may be some unnamed desktops that we need to fill in with names
553 (after updating the areas so the popup can resize) */
554 screen_update_desktop_names();
556 /* change our desktop if we're on one that no longer exists! */
557 if (screen_desktop >= screen_num_desktops)
558 screen_set_desktop(num - 1, TRUE);
561 static void screen_fallback_focus(void)
566 /* only allow omnipresent windows to get focus on desktop change if
567 an omnipresent window is already focused (it'll keep focus probably, but
568 maybe not depending on mouse-focus options) */
569 allow_omni = focus_client && (client_normal(focus_client) &&
570 focus_client->desktop == DESKTOP_ALL);
572 /* the client moved there already so don't move focus. prevent flicker
573 on sendtodesktop + follow */
574 if (focus_client && focus_client->desktop == screen_desktop)
577 /* have to try focus here because when you leave an empty desktop
578 there is no focus out to watch for. also, we have different rules
579 here. we always allow it to look under the mouse pointer if
580 config_focus_last is FALSE
582 do this before hiding the windows so if helper windows are coming
583 with us, they don't get hidden
585 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
588 /* only do the flicker reducing stuff ahead of time if we are going
589 to call xsetinputfocus on the window ourselves. otherwise there is
590 no guarantee the window will actually take focus.. */
592 /* reduce flicker by hiliting now rather than waiting for the
593 server FocusIn event */
594 frame_adjust_focus(c->frame, TRUE);
595 /* do this here so that if you switch desktops to a window with
596 helper windows then the helper windows won't flash */
597 client_bring_helper_windows(c);
602 static gboolean last_desktop_func(gpointer data)
604 screen_desktop_timeout = TRUE;
605 screen_desktop_timer = 0;
606 return FALSE; /* don't repeat */
609 void screen_set_desktop(guint num, gboolean dofocus)
615 g_assert(num < screen_num_desktops);
617 previous = screen_desktop;
618 screen_desktop = num;
620 if (previous == num) return;
622 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
624 /* This whole thing decides when/how to save the screen_last_desktop so
625 that it can be restored later if you want */
626 if (screen_desktop_timeout) {
627 /* If screen_desktop_timeout is true, then we've been on this desktop
628 long enough and we can save it as the last desktop. */
630 if (screen_last_desktop == previous)
631 /* this is the startup state only */
632 screen_old_desktop = screen_desktop;
634 /* save the "last desktop" as the "old desktop" */
635 screen_old_desktop = screen_last_desktop;
636 /* save the desktop we're coming from as the "last desktop" */
637 screen_last_desktop = previous;
641 /* If screen_desktop_timeout is false, then we just got to this desktop
642 and we are moving away again. */
644 if (screen_desktop == screen_last_desktop) {
645 /* If we are moving to the "last desktop" .. */
646 if (previous == screen_old_desktop) {
647 /* .. from the "old desktop", change the last desktop to
648 be where we are coming from */
649 screen_last_desktop = screen_old_desktop;
651 else if (screen_last_desktop == screen_old_desktop) {
652 /* .. and also to the "old desktop", change the "last
653 desktop" to be where we are coming from */
654 screen_last_desktop = previous;
657 /* .. from some other desktop, then set the "last desktop" to
658 be the saved "old desktop", i.e. where we were before the
660 screen_last_desktop = screen_old_desktop;
664 /* If we are moving to any desktop besides the "last desktop"..
665 (this is the normal case) */
666 if (screen_desktop == screen_old_desktop) {
667 /* If moving to the "old desktop", which is not the
668 "last desktop", don't save anything */
670 else if (previous == screen_old_desktop) {
671 /* If moving from the "old desktop", and not to the
672 "last desktop", don't save anything */
674 else if (screen_last_desktop == screen_old_desktop) {
675 /* If the "last desktop" is the same as "old desktop" and
676 you're not moving to the "last desktop" then save where
677 we're coming from as the "last desktop" */
678 screen_last_desktop = previous;
681 /* If the "last desktop" is different from the "old desktop"
682 and you're not moving to the "last desktop", then don't save
687 screen_desktop_timeout = FALSE;
688 if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
689 screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
690 last_desktop_func, NULL);
692 ob_debug("Moving to desktop %d", num+1);
694 if (ob_state() == OB_STATE_RUNNING)
695 screen_show_desktop_popup(screen_desktop, FALSE);
697 /* ignore enter events caused by the move */
698 ignore_start = event_start_ignore_all_enters();
700 if (moveresize_client)
701 client_set_desktop(moveresize_client, num, TRUE, FALSE);
703 /* show windows before hiding the rest to lessen the enter/leave events */
705 /* show windows from top to bottom */
706 for (it = stacking_list; it; it = g_list_next(it)) {
707 if (WINDOW_IS_CLIENT(it->data)) {
708 ObClient *c = it->data;
713 if (dofocus) screen_fallback_focus();
715 /* hide windows from bottom to top */
716 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
717 if (WINDOW_IS_CLIENT(it->data)) {
718 ObClient *c = it->data;
719 if (client_hide(c)) {
720 if (c == focus_client) {
721 /* c was focused and we didn't do fallback clearly so make
722 sure openbox doesnt still consider the window focused.
723 this happens when using NextWindow with allDesktops,
724 since it doesnt want to move focus on desktop change,
725 but the focus is not going to stay with the current
726 window, which has now disappeared.
727 only do this if the client was actually hidden,
728 otherwise it can keep focus. */
729 focus_set_client(NULL);
735 focus_cycle_addremove(NULL, TRUE);
737 event_end_ignore_all_enters(ignore_start);
739 if (event_source_time() != CurrentTime)
740 screen_desktop_user_time = event_source_time();
743 void screen_add_desktop(gboolean current)
747 /* ignore enter events caused by this */
748 ignore_start = event_start_ignore_all_enters();
750 screen_set_num_desktops(screen_num_desktops+1);
752 /* move all the clients over */
756 for (it = client_list; it; it = g_list_next(it)) {
757 ObClient *c = it->data;
758 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
759 /* don't move direct children, they'll be moved with their
760 parent - which will have to be on the same desktop */
761 !client_direct_parent(c))
763 ob_debug("moving window %s", c->title);
764 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
769 event_end_ignore_all_enters(ignore_start);
772 void screen_remove_desktop(gboolean current)
774 guint rmdesktop, movedesktop;
775 GList *it, *stacking_copy;
778 if (screen_num_desktops <= 1) return;
780 /* ignore enter events caused by this */
781 ignore_start = event_start_ignore_all_enters();
783 /* what desktop are we removing and moving to? */
785 rmdesktop = screen_desktop;
787 rmdesktop = screen_num_desktops - 1;
788 if (rmdesktop < screen_num_desktops - 1)
789 movedesktop = rmdesktop + 1;
791 movedesktop = rmdesktop;
793 /* make a copy of the list cuz we're changing it */
794 stacking_copy = g_list_copy(stacking_list);
795 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
796 if (WINDOW_IS_CLIENT(it->data)) {
797 ObClient *c = it->data;
798 guint d = c->desktop;
799 if (d != DESKTOP_ALL && d >= movedesktop &&
800 /* don't move direct children, they'll be moved with their
801 parent - which will have to be on the same desktop */
802 !client_direct_parent(c))
804 ob_debug("moving window %s", c->title);
805 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
807 /* raise all the windows that are on the current desktop which
809 if ((screen_desktop == rmdesktop - 1 ||
810 screen_desktop == rmdesktop) &&
811 (d == DESKTOP_ALL || d == screen_desktop))
813 stacking_raise(CLIENT_AS_WINDOW(c));
814 ob_debug("raising window %s", c->title);
818 g_list_free(stacking_copy);
820 /* fallback focus like we're changing desktops */
821 if (screen_desktop < screen_num_desktops - 1) {
822 screen_fallback_focus();
823 ob_debug("fake desktop change");
826 screen_set_num_desktops(screen_num_desktops-1);
828 event_end_ignore_all_enters(ignore_start);
831 static void get_row_col(guint d, guint *r, guint *c)
833 switch (screen_desktop_layout.orientation) {
834 case OB_ORIENTATION_HORZ:
835 switch (screen_desktop_layout.start_corner) {
836 case OB_CORNER_TOPLEFT:
837 *r = d / screen_desktop_layout.columns;
838 *c = d % screen_desktop_layout.columns;
840 case OB_CORNER_BOTTOMLEFT:
841 *r = screen_desktop_layout.rows - 1 -
842 d / screen_desktop_layout.columns;
843 *c = d % screen_desktop_layout.columns;
845 case OB_CORNER_TOPRIGHT:
846 *r = d / screen_desktop_layout.columns;
847 *c = screen_desktop_layout.columns - 1 -
848 d % screen_desktop_layout.columns;
850 case OB_CORNER_BOTTOMRIGHT:
851 *r = screen_desktop_layout.rows - 1 -
852 d / screen_desktop_layout.columns;
853 *c = screen_desktop_layout.columns - 1 -
854 d % screen_desktop_layout.columns;
858 case OB_ORIENTATION_VERT:
859 switch (screen_desktop_layout.start_corner) {
860 case OB_CORNER_TOPLEFT:
861 *r = d % screen_desktop_layout.rows;
862 *c = d / screen_desktop_layout.rows;
864 case OB_CORNER_BOTTOMLEFT:
865 *r = screen_desktop_layout.rows - 1 -
866 d % screen_desktop_layout.rows;
867 *c = d / screen_desktop_layout.rows;
869 case OB_CORNER_TOPRIGHT:
870 *r = d % screen_desktop_layout.rows;
871 *c = screen_desktop_layout.columns - 1 -
872 d / screen_desktop_layout.rows;
874 case OB_CORNER_BOTTOMRIGHT:
875 *r = screen_desktop_layout.rows - 1 -
876 d % screen_desktop_layout.rows;
877 *c = screen_desktop_layout.columns - 1 -
878 d / screen_desktop_layout.rows;
885 static guint translate_row_col(guint r, guint c)
887 switch (screen_desktop_layout.orientation) {
888 case OB_ORIENTATION_HORZ:
889 switch (screen_desktop_layout.start_corner) {
890 case OB_CORNER_TOPLEFT:
891 return r % screen_desktop_layout.rows *
892 screen_desktop_layout.columns +
893 c % screen_desktop_layout.columns;
894 case OB_CORNER_BOTTOMLEFT:
895 return (screen_desktop_layout.rows - 1 -
896 r % screen_desktop_layout.rows) *
897 screen_desktop_layout.columns +
898 c % screen_desktop_layout.columns;
899 case OB_CORNER_TOPRIGHT:
900 return r % screen_desktop_layout.rows *
901 screen_desktop_layout.columns +
902 (screen_desktop_layout.columns - 1 -
903 c % screen_desktop_layout.columns);
904 case OB_CORNER_BOTTOMRIGHT:
905 return (screen_desktop_layout.rows - 1 -
906 r % screen_desktop_layout.rows) *
907 screen_desktop_layout.columns +
908 (screen_desktop_layout.columns - 1 -
909 c % screen_desktop_layout.columns);
911 case OB_ORIENTATION_VERT:
912 switch (screen_desktop_layout.start_corner) {
913 case OB_CORNER_TOPLEFT:
914 return c % screen_desktop_layout.columns *
915 screen_desktop_layout.rows +
916 r % screen_desktop_layout.rows;
917 case OB_CORNER_BOTTOMLEFT:
918 return c % screen_desktop_layout.columns *
919 screen_desktop_layout.rows +
920 (screen_desktop_layout.rows - 1 -
921 r % screen_desktop_layout.rows);
922 case OB_CORNER_TOPRIGHT:
923 return (screen_desktop_layout.columns - 1 -
924 c % screen_desktop_layout.columns) *
925 screen_desktop_layout.rows +
926 r % screen_desktop_layout.rows;
927 case OB_CORNER_BOTTOMRIGHT:
928 return (screen_desktop_layout.columns - 1 -
929 c % screen_desktop_layout.columns) *
930 screen_desktop_layout.rows +
931 (screen_desktop_layout.rows - 1 -
932 r % screen_desktop_layout.rows);
935 g_assert_not_reached();
939 static gboolean hide_desktop_popup_func(gpointer data)
941 pager_popup_hide(desktop_popup);
942 desktop_popup_timer = 0;
943 return FALSE; /* don't repeat */
946 void screen_show_desktop_popup(guint d, gboolean perm)
950 /* 0 means don't show the popup */
951 if (!config_desktop_popup_time) return;
953 a = screen_physical_area_primary(FALSE);
954 pager_popup_position(desktop_popup, CenterGravity,
955 a->x + a->width / 2, a->y + a->height / 2);
956 pager_popup_icon_size_multiplier(desktop_popup,
957 (screen_desktop_layout.columns /
958 screen_desktop_layout.rows) / 2,
959 (screen_desktop_layout.rows/
960 screen_desktop_layout.columns) / 2);
961 pager_popup_max_width(desktop_popup,
962 MAX(a->width/3, POPUP_WIDTH));
963 pager_popup_show(desktop_popup, screen_desktop_names[d], d);
965 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
966 desktop_popup_timer = 0;
967 if (!perm && !desktop_popup_perm)
968 /* only hide if its not already being show permanently */
969 desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
970 hide_desktop_popup_func,
973 desktop_popup_perm = TRUE;
976 void screen_hide_desktop_popup(void)
978 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
979 desktop_popup_timer = 0;
980 pager_popup_hide(desktop_popup);
981 desktop_popup_perm = FALSE;
984 guint screen_find_desktop(guint from, ObDirection dir,
985 gboolean wrap, gboolean linear)
991 get_row_col(d, &r, &c);
994 case OB_DIRECTION_EAST:
995 if (d < screen_num_desktops - 1)
1002 case OB_DIRECTION_WEST:
1006 d = screen_num_desktops - 1;
1011 g_assert_not_reached();
1016 case OB_DIRECTION_EAST:
1018 if (c >= screen_desktop_layout.columns) {
1024 d = translate_row_col(r, c);
1025 if (d >= screen_num_desktops) {
1032 case OB_DIRECTION_WEST:
1034 if (c >= screen_desktop_layout.columns) {
1036 c = screen_desktop_layout.columns - 1;
1040 d = translate_row_col(r, c);
1041 if (d >= screen_num_desktops) {
1048 case OB_DIRECTION_SOUTH:
1050 if (r >= screen_desktop_layout.rows) {
1056 d = translate_row_col(r, c);
1057 if (d >= screen_num_desktops) {
1064 case OB_DIRECTION_NORTH:
1066 if (r >= screen_desktop_layout.rows) {
1068 r = screen_desktop_layout.rows - 1;
1072 d = translate_row_col(r, c);
1073 if (d >= screen_num_desktops) {
1081 g_assert_not_reached();
1085 d = translate_row_col(r, c);
1090 static gboolean screen_validate_layout(ObDesktopLayout *l)
1092 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1095 /* fill in a zero rows/columns */
1096 if (l->columns == 0) {
1097 l->columns = screen_num_desktops / l->rows;
1098 if (l->rows * l->columns < screen_num_desktops)
1100 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1102 } else if (l->rows == 0) {
1103 l->rows = screen_num_desktops / l->columns;
1104 if (l->columns * l->rows < screen_num_desktops)
1106 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1110 /* bounds checking */
1111 if (l->orientation == OB_ORIENTATION_HORZ) {
1112 l->columns = MIN(screen_num_desktops, l->columns);
1113 l->rows = MIN(l->rows,
1114 (screen_num_desktops + l->columns - 1) / l->columns);
1115 l->columns = screen_num_desktops / l->rows +
1116 !!(screen_num_desktops % l->rows);
1118 l->rows = MIN(screen_num_desktops, l->rows);
1119 l->columns = MIN(l->columns,
1120 (screen_num_desktops + l->rows - 1) / l->rows);
1121 l->rows = screen_num_desktops / l->columns +
1122 !!(screen_num_desktops % l->columns);
1127 void screen_update_layout(void)
1134 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1135 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1136 screen_desktop_layout.rows = 1;
1137 screen_desktop_layout.columns = screen_num_desktops;
1139 if (OBT_PROP_GETA32(obt_root(ob_screen),
1140 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1141 if (num == 3 || num == 4) {
1143 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1144 l.orientation = OB_ORIENTATION_VERT;
1145 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1146 l.orientation = OB_ORIENTATION_HORZ;
1151 l.start_corner = OB_CORNER_TOPLEFT;
1153 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1154 l.start_corner = OB_CORNER_TOPLEFT;
1155 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1156 l.start_corner = OB_CORNER_TOPRIGHT;
1157 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1158 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1159 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1160 l.start_corner = OB_CORNER_BOTTOMLEFT;
1165 l.columns = data[1];
1168 if (screen_validate_layout(&l))
1169 screen_desktop_layout = l;
1176 void screen_update_desktop_names(void)
1180 /* empty the array */
1181 g_strfreev(screen_desktop_names);
1182 screen_desktop_names = NULL;
1184 if (OBT_PROP_GETSS(obt_root(ob_screen),
1185 NET_DESKTOP_NAMES, &screen_desktop_names))
1186 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1189 if (i < screen_num_desktops) {
1192 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1193 screen_num_desktops + 1);
1194 screen_desktop_names[screen_num_desktops] = NULL;
1196 it = g_slist_nth(config_desktops_names, i);
1198 for (; i < screen_num_desktops; ++i) {
1199 if (it && ((char*)it->data)[0]) /* not empty */
1200 /* use the names from the config file when possible */
1201 screen_desktop_names[i] = g_strdup(it->data);
1203 /* make up a nice name if it's not though */
1204 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1206 if (it) it = g_slist_next(it);
1209 /* if we changed any names, then set the root property so we can
1210 all agree on the names */
1211 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1212 (const gchar*const*)screen_desktop_names);
1215 /* resize the pager for these names */
1216 pager_popup_text_width_to_strings(desktop_popup,
1217 screen_desktop_names,
1218 screen_num_desktops);
1221 void screen_show_desktop(gboolean show, ObClient *show_only)
1225 if (show == screen_showing_desktop) return; /* no change */
1227 screen_showing_desktop = show;
1230 /* hide windows bottom to top */
1231 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1232 if (WINDOW_IS_CLIENT(it->data)) {
1233 ObClient *client = it->data;
1234 client_showhide(client);
1239 /* restore windows top to bottom */
1240 for (it = stacking_list; it; it = g_list_next(it)) {
1241 if (WINDOW_IS_CLIENT(it->data)) {
1242 ObClient *client = it->data;
1243 if (client_should_show(client)) {
1244 if (!show_only || client == show_only)
1245 client_show(client);
1247 client_iconify(client, TRUE, FALSE, TRUE);
1254 /* focus the desktop */
1255 for (it = focus_order; it; it = g_list_next(it)) {
1256 ObClient *c = it->data;
1257 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1258 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1259 client_focus(it->data))
1263 else if (!show_only) {
1266 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1267 /* only do the flicker reducing stuff ahead of time if we are going
1268 to call xsetinputfocus on the window ourselves. otherwise there
1269 is no guarantee the window will actually take focus.. */
1271 /* reduce flicker by hiliting now rather than waiting for the
1272 server FocusIn event */
1273 frame_adjust_focus(c->frame, TRUE);
1278 show = !!show; /* make it boolean */
1279 OBT_PROP_SET32(obt_root(ob_screen), NET_SHOWING_DESKTOP, CARDINAL, show);
1282 void screen_install_colormap(ObClient *client, gboolean install)
1284 if (client == NULL || client->colormap == None) {
1286 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1288 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1290 obt_display_ignore_errors(TRUE);
1292 XInstallColormap(obt_display, client->colormap);
1294 XUninstallColormap(obt_display, client->colormap);
1295 obt_display_ignore_errors(FALSE);
1301 StrutPartial *strut;
1304 #define RESET_STRUT_LIST(sl) \
1306 g_slice_free(ObScreenStrut, (sl)->data); \
1307 sl = g_slist_delete_link(sl, sl); \
1310 #define ADD_STRUT_TO_LIST(sl, d, s) \
1312 ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
1315 sl = g_slist_prepend(sl, ss); \
1318 #define VALIDATE_STRUTS(sl, side, max) \
1321 for (it = sl; it; it = g_slist_next(it)) { \
1322 ObScreenStrut *ss = it->data; \
1323 ss->strut->side = MIN(max, ss->strut->side); \
1327 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1333 XineramaScreenInfo *info;
1336 if (ob_debug_xinerama) {
1337 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1338 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1340 *xin_areas = g_new(Rect, *nxin + 1);
1341 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1342 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1345 else if (obt_display_extension_xinerama &&
1346 (info = XineramaQueryScreens(obt_display, &n))) {
1348 *xin_areas = g_new(Rect, *nxin + 1);
1349 for (i = 0; i < *nxin; ++i)
1350 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1351 info[i].width, info[i].height);
1357 *xin_areas = g_new(Rect, *nxin + 1);
1358 RECT_SET((*xin_areas)[0], 0, 0,
1359 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1360 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1363 /* returns one extra with the total area in it */
1364 l = (*xin_areas)[0].x;
1365 t = (*xin_areas)[0].y;
1366 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1367 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1368 for (i = 1; i < *nxin; ++i) {
1369 l = MIN(l, (*xin_areas)[i].x);
1370 t = MIN(l, (*xin_areas)[i].y);
1371 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1372 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1374 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1376 for (i = 0; i < *nxin; ++i)
1377 ob_debug("Monitor %d @ %d,%d %dx%d\n", i,
1378 (*xin_areas)[i].x, (*xin_areas)[i].y,
1379 (*xin_areas)[i].width, (*xin_areas)[i].height);
1380 ob_debug("Full desktop @ %d,%d %dx%d\n",
1381 (*xin_areas)[i].x, (*xin_areas)[i].y,
1382 (*xin_areas)[i].width, (*xin_areas)[i].height);
1385 void screen_update_areas(void)
1389 GList *it, *onscreen;
1391 /* collect the clients that are on screen */
1393 for (it = client_list; it; it = g_list_next(it)) {
1394 if (client_monitor(it->data) != screen_num_monitors)
1395 onscreen = g_list_prepend(onscreen, it->data);
1398 g_free(monitor_area);
1399 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1401 /* set up the user-specified margins */
1402 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1403 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1404 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1405 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1406 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1407 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1408 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1409 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1411 RESET_STRUT_LIST(struts_left);
1412 RESET_STRUT_LIST(struts_top);
1413 RESET_STRUT_LIST(struts_right);
1414 RESET_STRUT_LIST(struts_bottom);
1416 /* collect the struts */
1417 for (it = client_list; it; it = g_list_next(it)) {
1418 ObClient *c = it->data;
1420 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1422 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1424 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1425 if (c->strut.bottom)
1426 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1428 if (dock_strut.left)
1429 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1431 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1432 if (dock_strut.right)
1433 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1434 if (dock_strut.bottom)
1435 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1437 if (config_margins.left)
1438 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1439 if (config_margins.top)
1440 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1441 if (config_margins.right)
1442 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1443 if (config_margins.bottom)
1444 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1446 VALIDATE_STRUTS(struts_left, left,
1447 monitor_area[screen_num_monitors].width / 2);
1448 VALIDATE_STRUTS(struts_right, right,
1449 monitor_area[screen_num_monitors].width / 2);
1450 VALIDATE_STRUTS(struts_top, top,
1451 monitor_area[screen_num_monitors].height / 2);
1452 VALIDATE_STRUTS(struts_bottom, bottom,
1453 monitor_area[screen_num_monitors].height / 2);
1455 dims = g_new(gulong, 4 * screen_num_desktops);
1456 for (i = 0; i < screen_num_desktops; ++i) {
1457 Rect *area = screen_area(i, SCREEN_AREA_ALL_MONITORS, NULL);
1458 dims[i*4+0] = area->x;
1459 dims[i*4+1] = area->y;
1460 dims[i*4+2] = area->width;
1461 dims[i*4+3] = area->height;
1462 g_slice_free(Rect, area);
1465 /* set the legacy workarea hint to the union of all the monitors */
1466 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1467 dims, 4 * screen_num_desktops);
1469 /* the area has changed, adjust all the windows if they need it */
1470 for (it = onscreen; it; it = g_list_next(it))
1471 client_reconfigure(it->data, FALSE);
1477 Rect* screen_area_all_monitors(guint desktop)
1482 a = screen_area_monitor(desktop, 0);
1484 /* combine all the monitors together */
1485 for (i = 1; i < screen_num_monitors; ++i) {
1486 Rect *m = screen_area_monitor(desktop, i);
1489 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1490 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1491 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1492 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1494 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1503 #define STRUT_LEFT_IN_SEARCH(s, search) \
1504 (RANGES_INTERSECT(search->y, search->height, \
1505 s->left_start, s->left_end - s->left_start + 1))
1506 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1507 (RANGES_INTERSECT(search->y, search->height, \
1508 s->right_start, s->right_end - s->right_start + 1))
1509 #define STRUT_TOP_IN_SEARCH(s, search) \
1510 (RANGES_INTERSECT(search->x, search->width, \
1511 s->top_start, s->top_end - s->top_start + 1))
1512 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1513 (RANGES_INTERSECT(search->x, search->width, \
1514 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1516 #define STRUT_LEFT_IGNORE(s, us, search) \
1517 (head == SCREEN_AREA_ALL_MONITORS && us && \
1518 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1519 #define STRUT_RIGHT_IGNORE(s, us, search) \
1520 (head == SCREEN_AREA_ALL_MONITORS && us && \
1521 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1522 #define STRUT_TOP_IGNORE(s, us, search) \
1523 (head == SCREEN_AREA_ALL_MONITORS && us && \
1524 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1525 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1526 (head == SCREEN_AREA_ALL_MONITORS && us && \
1527 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1529 Rect* screen_area(guint desktop, guint head, Rect *search)
1535 gboolean us = search != NULL; /* user provided search */
1537 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1538 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1539 head == SCREEN_AREA_ALL_MONITORS);
1540 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1542 /* find any struts for this monitor
1543 which will be affecting the search area.
1546 /* search everything if search is null */
1548 if (head < screen_num_monitors) search = &monitor_area[head];
1549 else search = &monitor_area[screen_num_monitors];
1551 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1553 /* al is "all left" meaning the furthest left you can get, l is our
1554 "working left" meaning our current strut edge which we're calculating
1557 /* only include monitors which the search area lines up with */
1558 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1559 l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1560 t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1561 r = RECT_LEFT(monitor_area[screen_num_monitors]);
1562 b = RECT_TOP(monitor_area[screen_num_monitors]);
1563 for (i = 0; i < screen_num_monitors; ++i) {
1564 /* add the monitor if applicable */
1565 if (RANGES_INTERSECT(search->x, search->width,
1566 monitor_area[i].x, monitor_area[i].width))
1568 t = MIN(t, RECT_TOP(monitor_area[i]));
1569 b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1571 if (RANGES_INTERSECT(search->y, search->height,
1572 monitor_area[i].y, monitor_area[i].height))
1574 l = MIN(l, RECT_LEFT(monitor_area[i]));
1575 r = MAX(r, RECT_RIGHT(monitor_area[i]));
1579 l = RECT_LEFT(monitor_area[screen_num_monitors]);
1580 t = RECT_TOP(monitor_area[screen_num_monitors]);
1581 r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1582 b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1585 for (d = 0; d < screen_num_desktops; ++d) {
1586 if (d != desktop && desktop != DESKTOP_ALL) continue;
1588 for (i = 0; i < screen_num_monitors; ++i) {
1589 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1591 for (it = struts_left; it; it = g_slist_next(it)) {
1592 ObScreenStrut *s = it->data;
1593 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1594 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1595 !STRUT_LEFT_IGNORE(s->strut, us, search))
1596 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1599 for (it = struts_top; it; it = g_slist_next(it)) {
1600 ObScreenStrut *s = it->data;
1601 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1602 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1603 !STRUT_TOP_IGNORE(s->strut, us, search))
1604 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1607 for (it = struts_right; it; it = g_slist_next(it)) {
1608 ObScreenStrut *s = it->data;
1609 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1610 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1611 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1612 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1615 for (it = struts_bottom; it; it = g_slist_next(it)) {
1616 ObScreenStrut *s = it->data;
1617 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1618 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1619 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1620 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1621 - s->strut->bottom);
1624 /* limit to this monitor */
1626 l = MAX(l, RECT_LEFT(monitor_area[i]));
1627 t = MAX(t, RECT_TOP(monitor_area[i]));
1628 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1629 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1634 a = g_slice_new(Rect);
1637 a->width = r - l + 1;
1638 a->height = b - t + 1;
1647 guint screen_find_monitor(const Rect *search)
1650 guint mostpx_index = screen_num_monitors;
1652 guint closest_distance_index = screen_num_monitors;
1653 guint closest_distance = G_MAXUINT;
1654 GSList *counted = NULL;
1656 /* we want to count the number of pixels search has on each monitor, but not
1657 double count. so if a pixel is counted on monitor A then we should not
1658 count it again on monitor B. in the end we want to return the monitor
1659 that had the most pixels counted under this scheme.
1661 this assumes that monitors earlier in the list are more desirable to be
1662 considered the search area's monitor. we try the configured primary
1663 monitor first, so it gets the highest preference.
1665 if we have counted an area A, then we want to subtract the intersection
1666 of A with the area on future monitors.
1667 but now consider if we count an area B that intersects A. we want to
1668 subtract the area B from that counted on future monitors, but not
1669 subtract the intersection of A and B twice! so we would add the
1670 intersection of A and B back, to account for it being subtracted both
1673 this is the idea behind the algorithm. we always subtract the full area
1674 for monitor M intersected with the search area. we'll call that AREA.
1675 but then we go through the list |counted| and for each rectangle in
1676 the list that is being subtracted from future monitors, we insert a
1677 request to add back the intersection of the subtracted rect with AREA.
1678 vice versa for a rect in |counted| that is getting added back.
1681 if (config_primary_monitor_index < screen_num_monitors) {
1682 const Rect *monitor;
1683 Rect on_current_monitor;
1686 monitor = screen_physical_area_monitor(config_primary_monitor_index);
1688 if (RECT_INTERSECTS_RECT(*monitor, *search)) {
1689 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1690 area = RECT_AREA(on_current_monitor);
1692 if (area > mostpx) {
1694 mostpx_index = config_primary_monitor_index;
1697 /* add the intersection rect on the current monitor to the
1698 counted list. that's easy for the first one, we just mark it for
1701 RectArithmetic *ra = g_slice_new(RectArithmetic);
1702 ra->r = on_current_monitor;
1703 ra->subtract = TRUE;
1704 counted = g_slist_prepend(counted, ra);
1709 for (i = 0; i < screen_num_monitors; ++i) {
1710 const Rect *monitor;
1711 Rect on_current_monitor;
1715 monitor = screen_physical_area_monitor(i);
1717 if (!RECT_INTERSECTS_RECT(*monitor, *search)) {
1718 /* If we don't intersect then find the distance between the search
1719 rect and the monitor. We'll use the closest monitor from this
1720 metric if none of the monitors intersect. */
1721 guint distance = rect_manhatten_distance(*monitor, *search);
1723 if (distance < closest_distance) {
1724 closest_distance = distance;
1725 closest_distance_index = i;
1730 if (i == config_primary_monitor_index)
1731 continue; /* already did this one */
1733 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1734 area = RECT_AREA(on_current_monitor);
1736 /* remove pixels we already counted on any previous monitors. */
1737 for (it = counted; it; it = g_slist_next(it)) {
1738 RectArithmetic *ra = it->data;
1741 RECT_SET_INTERSECTION(intersection, ra->r, *search);
1742 if (ra->subtract) area -= RECT_AREA(intersection);
1743 else area += RECT_AREA(intersection);
1746 if (area > mostpx) {
1751 /* add the intersection rect on the current monitor I to the counted
1753 but now we need to compensate for every rectangle R already in the
1754 counted list, and add a new rect R' that is the intersection of
1755 R and I, but with the reverse subtraction/addition operation.
1757 for (it = counted; it; it = g_slist_next(it)) {
1758 RectArithmetic *saved = it->data;
1760 if (!RECT_INTERSECTS_RECT(saved->r, on_current_monitor))
1762 /* we are going to subtract our rect from future monitors, but
1763 part of it may already be being subtracted/added, so compensate
1764 to not double add/subtract. */
1765 RectArithmetic *reverse = g_slice_new(RectArithmetic);
1766 RECT_SET_INTERSECTION(reverse->r, saved->r, on_current_monitor);
1767 reverse->subtract = !saved->subtract;
1768 /* prepend so we can continue thru the list uninterupted */
1769 counted = g_slist_prepend(counted, reverse);
1772 RectArithmetic *ra = g_slice_new(RectArithmetic);
1773 ra->r = on_current_monitor;
1774 ra->subtract = TRUE;
1775 counted = g_slist_prepend(counted, ra);
1780 g_slice_free(RectArithmetic, counted->data);
1781 counted = g_slist_delete_link(counted, counted);
1784 if (mostpx_index < screen_num_monitors)
1785 return mostpx_index;
1787 g_assert(closest_distance_index < screen_num_monitors);
1788 return closest_distance_index;
1791 const Rect* screen_physical_area_all_monitors(void)
1793 return screen_physical_area_monitor(screen_num_monitors);
1796 const Rect* screen_physical_area_monitor(guint head)
1798 g_assert(head <= screen_num_monitors);
1800 return &monitor_area[head];
1803 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1805 g_assert(head <= screen_num_monitors);
1807 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1810 guint screen_monitor_active(void)
1812 if (moveresize_client)
1813 return client_monitor(moveresize_client);
1814 else if (focus_client)
1815 return client_monitor(focus_client);
1817 return screen_monitor_pointer();
1820 const Rect* screen_physical_area_active(void)
1822 return screen_physical_area_monitor(screen_monitor_active());
1825 guint screen_monitor_primary(gboolean fixed)
1827 if (config_primary_monitor_index > 0) {
1828 if (config_primary_monitor_index-1 < screen_num_monitors)
1829 return config_primary_monitor_index - 1;
1835 else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
1836 return screen_monitor_active();
1837 else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
1838 return screen_monitor_pointer();
1841 const Rect* screen_physical_area_primary(gboolean fixed)
1843 return screen_physical_area_monitor(screen_monitor_primary(fixed));
1846 void screen_set_root_cursor(void)
1848 if (sn_app_starting())
1849 XDefineCursor(obt_display, obt_root(ob_screen),
1850 ob_cursor(OB_CURSOR_BUSYPOINTER));
1852 XDefineCursor(obt_display, obt_root(ob_screen),
1853 ob_cursor(OB_CURSOR_POINTER));
1856 guint screen_find_monitor_point(guint x, guint y)
1859 RECT_SET(mon, x, y, 1, 1);
1860 return screen_find_monitor(&mon);
1863 guint screen_monitor_pointer()
1866 if (!screen_pointer_pos(&x, &y))
1868 return screen_find_monitor_point(x, y);
1871 gboolean screen_pointer_pos(gint *x, gint *y)
1878 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1879 &w, &w, x, y, &i, &i, &u);
1881 for (i = 0; i < ScreenCount(obt_display); ++i)
1883 if (XQueryPointer(obt_display, obt_root(i),
1884 &w, &w, x, y, &i, &i, &u))
1890 gboolean screen_compare_desktops(guint a, guint b)
1892 if (a == DESKTOP_ALL)
1894 if (b == DESKTOP_ALL)