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 ObScreenShowDestopMode screen_show_desktop_mode;
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->popup->a_text->texture[0].data.text.font = ob_rr_theme->menu_title_font;
367 desktop_popup_perm = FALSE;
368 pager_popup_height(desktop_popup, POPUP_HEIGHT);
371 /* update the pager popup's width */
372 pager_popup_text_width_to_strings(desktop_popup,
373 screen_desktop_names,
374 screen_num_desktops);
378 /* get the initial size */
381 /* have names already been set for the desktops? */
382 if (OBT_PROP_GETSS_UTF8(obt_root(ob_screen), NET_DESKTOP_NAMES, &names)) {
387 /* if names don't exist and we have session names, set those.
388 do this stuff BEFORE setting the number of desktops, because that
389 will create default names for them
391 if (!namesexist && session_desktop_names != NULL) {
395 /* get the desktop names */
396 numnames = g_slist_length(session_desktop_names);
397 names = g_new(gchar*, numnames + 1);
398 names[numnames] = NULL;
399 for (i = 0, it = session_desktop_names; it; ++i, it = g_slist_next(it))
400 names[i] = g_strdup(it->data);
402 /* set the root window property */
403 OBT_PROP_SETSS(obt_root(ob_screen),
404 NET_DESKTOP_NAMES, (const gchar*const*)names);
409 /* set the number of desktops, if it's not already set.
411 this will also set the default names from the config file up for
412 desktops that don't have names yet */
413 screen_num_desktops = 0;
414 if (OBT_PROP_GET32(obt_root(ob_screen),
415 NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
417 if (d != config_desktops_num) {
418 /* TRANSLATORS: If you need to specify a different order of the
419 arguments, you can use %1$d for the first one and %2$d for the
420 second one. For example,
421 "The current session has %2$d desktops, but Openbox is configured for %1$d ..." */
422 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),
423 config_desktops_num, d);
425 screen_set_num_desktops(d);
427 /* restore from session if possible */
428 else if (session_num_desktops)
429 screen_set_num_desktops(session_num_desktops);
431 screen_set_num_desktops(config_desktops_num);
433 screen_desktop = screen_num_desktops; /* something invalid */
434 /* start on the current desktop when a wm was already running */
435 if (OBT_PROP_GET32(obt_root(ob_screen),
436 NET_CURRENT_DESKTOP, CARDINAL, &d) &&
437 d < screen_num_desktops)
439 screen_set_desktop(d, FALSE);
440 } else if (session_desktop >= 0)
441 screen_set_desktop(MIN((guint)session_desktop,
442 screen_num_desktops), FALSE);
444 screen_set_desktop(MIN(config_screen_firstdesk,
445 screen_num_desktops) - 1, FALSE);
446 screen_last_desktop = screen_desktop;
448 /* don't start in showing-desktop mode */
449 screen_show_desktop_mode = SCREEN_SHOW_DESKTOP_NO;
450 OBT_PROP_SET32(obt_root(ob_screen),
451 NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop());
453 if (session_desktop_layout_present &&
454 screen_validate_layout(&session_desktop_layout))
456 screen_desktop_layout = session_desktop_layout;
459 screen_update_layout();
462 void screen_shutdown(gboolean reconfig)
464 pager_popup_free(desktop_popup);
469 XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
471 /* we're not running here no more! */
472 OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
474 OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
475 /* don't keep this mode */
476 OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
478 XDestroyWindow(obt_display, screen_support_win);
480 g_strfreev(screen_desktop_names);
481 screen_desktop_names = NULL;
484 void screen_resize(void)
490 w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
491 h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
493 /* Set the _NET_DESKTOP_GEOMETRY hint */
494 screen_physical_size.width = geometry[0] = w;
495 screen_physical_size.height = geometry[1] = h;
496 OBT_PROP_SETA32(obt_root(ob_screen),
497 NET_DESKTOP_GEOMETRY, CARDINAL, geometry, 2);
499 if (ob_state() != OB_STATE_RUNNING)
502 /* this calls screen_update_areas(), which we need ! */
505 for (it = client_list; it; it = g_list_next(it)) {
506 client_move_onscreen(it->data, FALSE);
507 client_reconfigure(it->data, FALSE);
511 void screen_set_num_desktops(guint num)
514 GList *it, *stacking_copy;
518 if (screen_num_desktops == num) return;
520 screen_num_desktops = num;
521 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
523 /* set the viewport hint */
524 viewport = g_new0(gulong, num * 2);
525 OBT_PROP_SETA32(obt_root(ob_screen),
526 NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
529 /* the number of rows/columns will differ */
530 screen_update_layout();
532 /* move windows on desktops that will no longer exist!
533 make a copy of the list cuz we're changing it */
534 stacking_copy = g_list_copy(stacking_list);
535 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
536 if (WINDOW_IS_CLIENT(it->data)) {
537 ObClient *c = it->data;
538 if (c->desktop != DESKTOP_ALL && c->desktop >= num)
539 client_set_desktop(c, num - 1, FALSE, TRUE);
540 /* raise all the windows that are on the current desktop which
542 else if (screen_desktop == num - 1 &&
543 (c->desktop == DESKTOP_ALL ||
544 c->desktop == screen_desktop))
545 stacking_raise(CLIENT_AS_WINDOW(c));
548 g_list_free(stacking_copy);
550 /* change our struts/area to match (after moving windows) */
551 screen_update_areas();
553 /* may be some unnamed desktops that we need to fill in with names
554 (after updating the areas so the popup can resize) */
555 screen_update_desktop_names();
557 /* change our desktop if we're on one that no longer exists! */
558 if (screen_desktop >= screen_num_desktops)
559 screen_set_desktop(num - 1, TRUE);
562 static void screen_fallback_focus(void)
567 /* only allow omnipresent windows to get focus on desktop change if
568 an omnipresent window is already focused (it'll keep focus probably, but
569 maybe not depending on mouse-focus options) */
570 allow_omni = focus_client && (client_normal(focus_client) &&
571 focus_client->desktop == DESKTOP_ALL);
573 /* the client moved there already so don't move focus. prevent flicker
574 on sendtodesktop + follow */
575 if (focus_client && focus_client->desktop == screen_desktop)
578 /* have to try focus here because when you leave an empty desktop
579 there is no focus out to watch for. also, we have different rules
580 here. we always allow it to look under the mouse pointer if
581 config_focus_last is FALSE
583 do this before hiding the windows so if helper windows are coming
584 with us, they don't get hidden
586 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
589 /* only do the flicker reducing stuff ahead of time if we are going
590 to call xsetinputfocus on the window ourselves. otherwise there is
591 no guarantee the window will actually take focus.. */
593 /* reduce flicker by hiliting now rather than waiting for the
594 server FocusIn event */
595 frame_adjust_focus(c->frame, TRUE);
596 /* do this here so that if you switch desktops to a window with
597 helper windows then the helper windows won't flash */
598 client_bring_helper_windows(c);
603 static gboolean last_desktop_func(gpointer data)
605 screen_desktop_timeout = TRUE;
606 screen_desktop_timer = 0;
607 return FALSE; /* don't repeat */
610 void screen_set_desktop(guint num, gboolean dofocus)
616 g_assert(num < screen_num_desktops);
618 previous = screen_desktop;
619 screen_desktop = num;
621 if (previous == num) return;
623 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
625 /* This whole thing decides when/how to save the screen_last_desktop so
626 that it can be restored later if you want */
627 if (screen_desktop_timeout) {
628 /* If screen_desktop_timeout is true, then we've been on this desktop
629 long enough and we can save it as the last desktop. */
631 if (screen_last_desktop == previous)
632 /* this is the startup state only */
633 screen_old_desktop = screen_desktop;
635 /* save the "last desktop" as the "old desktop" */
636 screen_old_desktop = screen_last_desktop;
637 /* save the desktop we're coming from as the "last desktop" */
638 screen_last_desktop = previous;
642 /* If screen_desktop_timeout is false, then we just got to this desktop
643 and we are moving away again. */
645 if (screen_desktop == screen_last_desktop) {
646 /* If we are moving to the "last desktop" .. */
647 if (previous == screen_old_desktop) {
648 /* .. from the "old desktop", change the last desktop to
649 be where we are coming from */
650 screen_last_desktop = screen_old_desktop;
652 else if (screen_last_desktop == screen_old_desktop) {
653 /* .. and also to the "old desktop", change the "last
654 desktop" to be where we are coming from */
655 screen_last_desktop = previous;
658 /* .. from some other desktop, then set the "last desktop" to
659 be the saved "old desktop", i.e. where we were before the
661 screen_last_desktop = screen_old_desktop;
665 /* If we are moving to any desktop besides the "last desktop"..
666 (this is the normal case) */
667 if (screen_desktop == screen_old_desktop) {
668 /* If moving to the "old desktop", which is not the
669 "last desktop", don't save anything */
671 else if (previous == screen_old_desktop) {
672 /* If moving from the "old desktop", and not to the
673 "last desktop", don't save anything */
675 else if (screen_last_desktop == screen_old_desktop) {
676 /* If the "last desktop" is the same as "old desktop" and
677 you're not moving to the "last desktop" then save where
678 we're coming from as the "last desktop" */
679 screen_last_desktop = previous;
682 /* If the "last desktop" is different from the "old desktop"
683 and you're not moving to the "last desktop", then don't save
688 screen_desktop_timeout = FALSE;
689 if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
690 screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
691 last_desktop_func, NULL);
693 ob_debug("Moving to desktop %d", num+1);
695 if (ob_state() == OB_STATE_RUNNING)
696 screen_show_desktop_popup(screen_desktop, FALSE);
698 /* ignore enter events caused by the move */
699 ignore_start = event_start_ignore_all_enters();
701 if (moveresize_client)
702 client_set_desktop(moveresize_client, num, TRUE, FALSE);
704 /* show windows before hiding the rest to lessen the enter/leave events */
706 /* show windows from top to bottom */
707 for (it = stacking_list; it; it = g_list_next(it)) {
708 if (WINDOW_IS_CLIENT(it->data)) {
709 ObClient *c = it->data;
714 if (dofocus) screen_fallback_focus();
716 /* hide windows from bottom to top */
717 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
718 if (WINDOW_IS_CLIENT(it->data)) {
719 ObClient *c = it->data;
720 if (client_hide(c)) {
721 if (c == focus_client) {
722 /* c was focused and we didn't do fallback clearly so make
723 sure openbox doesnt still consider the window focused.
724 this happens when using NextWindow with allDesktops,
725 since it doesnt want to move focus on desktop change,
726 but the focus is not going to stay with the current
727 window, which has now disappeared.
728 only do this if the client was actually hidden,
729 otherwise it can keep focus. */
730 focus_set_client(NULL);
736 focus_cycle_addremove(NULL, TRUE);
738 event_end_ignore_all_enters(ignore_start);
740 if (event_source_time() != CurrentTime)
741 screen_desktop_user_time = event_source_time();
744 void screen_add_desktop(gboolean current)
748 /* ignore enter events caused by this */
749 ignore_start = event_start_ignore_all_enters();
751 screen_set_num_desktops(screen_num_desktops+1);
753 /* move all the clients over */
757 for (it = client_list; it; it = g_list_next(it)) {
758 ObClient *c = it->data;
759 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
760 /* don't move direct children, they'll be moved with their
761 parent - which will have to be on the same desktop */
762 !client_direct_parent(c))
764 ob_debug("moving window %s", c->title);
765 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
770 event_end_ignore_all_enters(ignore_start);
773 void screen_remove_desktop(gboolean current)
775 guint rmdesktop, movedesktop;
776 GList *it, *stacking_copy;
779 if (screen_num_desktops <= 1) return;
781 /* ignore enter events caused by this */
782 ignore_start = event_start_ignore_all_enters();
784 /* what desktop are we removing and moving to? */
786 rmdesktop = screen_desktop;
788 rmdesktop = screen_num_desktops - 1;
789 if (rmdesktop < screen_num_desktops - 1)
790 movedesktop = rmdesktop + 1;
792 movedesktop = rmdesktop;
794 /* make a copy of the list cuz we're changing it */
795 stacking_copy = g_list_copy(stacking_list);
796 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
797 if (WINDOW_IS_CLIENT(it->data)) {
798 ObClient *c = it->data;
799 guint d = c->desktop;
800 if (d != DESKTOP_ALL && d >= movedesktop &&
801 /* don't move direct children, they'll be moved with their
802 parent - which will have to be on the same desktop */
803 !client_direct_parent(c))
805 ob_debug("moving window %s", c->title);
806 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
808 /* raise all the windows that are on the current desktop which
810 if ((screen_desktop == rmdesktop - 1 ||
811 screen_desktop == rmdesktop) &&
812 (d == DESKTOP_ALL || d == screen_desktop))
814 stacking_raise(CLIENT_AS_WINDOW(c));
815 ob_debug("raising window %s", c->title);
819 g_list_free(stacking_copy);
821 /* fallback focus like we're changing desktops */
822 if (screen_desktop < screen_num_desktops - 1) {
823 screen_fallback_focus();
824 ob_debug("fake desktop change");
827 screen_set_num_desktops(screen_num_desktops-1);
829 event_end_ignore_all_enters(ignore_start);
832 static void get_row_col(guint d, guint *r, guint *c)
834 switch (screen_desktop_layout.orientation) {
835 case OB_ORIENTATION_HORZ:
836 switch (screen_desktop_layout.start_corner) {
837 case OB_CORNER_TOPLEFT:
838 *r = d / screen_desktop_layout.columns;
839 *c = d % screen_desktop_layout.columns;
841 case OB_CORNER_BOTTOMLEFT:
842 *r = screen_desktop_layout.rows - 1 -
843 d / screen_desktop_layout.columns;
844 *c = d % screen_desktop_layout.columns;
846 case OB_CORNER_TOPRIGHT:
847 *r = d / screen_desktop_layout.columns;
848 *c = screen_desktop_layout.columns - 1 -
849 d % screen_desktop_layout.columns;
851 case OB_CORNER_BOTTOMRIGHT:
852 *r = screen_desktop_layout.rows - 1 -
853 d / screen_desktop_layout.columns;
854 *c = screen_desktop_layout.columns - 1 -
855 d % screen_desktop_layout.columns;
859 case OB_ORIENTATION_VERT:
860 switch (screen_desktop_layout.start_corner) {
861 case OB_CORNER_TOPLEFT:
862 *r = d % screen_desktop_layout.rows;
863 *c = d / screen_desktop_layout.rows;
865 case OB_CORNER_BOTTOMLEFT:
866 *r = screen_desktop_layout.rows - 1 -
867 d % screen_desktop_layout.rows;
868 *c = d / screen_desktop_layout.rows;
870 case OB_CORNER_TOPRIGHT:
871 *r = d % screen_desktop_layout.rows;
872 *c = screen_desktop_layout.columns - 1 -
873 d / screen_desktop_layout.rows;
875 case OB_CORNER_BOTTOMRIGHT:
876 *r = screen_desktop_layout.rows - 1 -
877 d % screen_desktop_layout.rows;
878 *c = screen_desktop_layout.columns - 1 -
879 d / screen_desktop_layout.rows;
886 static guint translate_row_col(guint r, guint c)
888 switch (screen_desktop_layout.orientation) {
889 case OB_ORIENTATION_HORZ:
890 switch (screen_desktop_layout.start_corner) {
891 case OB_CORNER_TOPLEFT:
892 return r % screen_desktop_layout.rows *
893 screen_desktop_layout.columns +
894 c % screen_desktop_layout.columns;
895 case OB_CORNER_BOTTOMLEFT:
896 return (screen_desktop_layout.rows - 1 -
897 r % screen_desktop_layout.rows) *
898 screen_desktop_layout.columns +
899 c % screen_desktop_layout.columns;
900 case OB_CORNER_TOPRIGHT:
901 return r % screen_desktop_layout.rows *
902 screen_desktop_layout.columns +
903 (screen_desktop_layout.columns - 1 -
904 c % screen_desktop_layout.columns);
905 case OB_CORNER_BOTTOMRIGHT:
906 return (screen_desktop_layout.rows - 1 -
907 r % screen_desktop_layout.rows) *
908 screen_desktop_layout.columns +
909 (screen_desktop_layout.columns - 1 -
910 c % screen_desktop_layout.columns);
912 case OB_ORIENTATION_VERT:
913 switch (screen_desktop_layout.start_corner) {
914 case OB_CORNER_TOPLEFT:
915 return c % screen_desktop_layout.columns *
916 screen_desktop_layout.rows +
917 r % screen_desktop_layout.rows;
918 case OB_CORNER_BOTTOMLEFT:
919 return c % screen_desktop_layout.columns *
920 screen_desktop_layout.rows +
921 (screen_desktop_layout.rows - 1 -
922 r % screen_desktop_layout.rows);
923 case OB_CORNER_TOPRIGHT:
924 return (screen_desktop_layout.columns - 1 -
925 c % screen_desktop_layout.columns) *
926 screen_desktop_layout.rows +
927 r % screen_desktop_layout.rows;
928 case OB_CORNER_BOTTOMRIGHT:
929 return (screen_desktop_layout.columns - 1 -
930 c % screen_desktop_layout.columns) *
931 screen_desktop_layout.rows +
932 (screen_desktop_layout.rows - 1 -
933 r % screen_desktop_layout.rows);
936 g_assert_not_reached();
940 static gboolean hide_desktop_popup_func(gpointer data)
942 pager_popup_hide(desktop_popup);
943 desktop_popup_timer = 0;
944 return FALSE; /* don't repeat */
947 void screen_show_desktop_popup(guint d, gboolean perm)
951 /* 0 means don't show the popup */
952 if (!config_desktop_popup_time) return;
954 a = screen_physical_area_primary(FALSE);
955 pager_popup_position(desktop_popup, CenterGravity,
956 a->x + a->width / 2, a->y + a->height / 2);
957 pager_popup_icon_size_multiplier(desktop_popup,
958 (screen_desktop_layout.columns /
959 screen_desktop_layout.rows) / 2,
960 (screen_desktop_layout.rows/
961 screen_desktop_layout.columns) / 2);
962 pager_popup_max_width(desktop_popup,
963 MAX(a->width/3, POPUP_WIDTH));
964 pager_popup_show(desktop_popup, screen_desktop_names[d], d);
966 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
967 desktop_popup_timer = 0;
968 if (!perm && !desktop_popup_perm)
969 /* only hide if its not already being show permanently */
970 desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
971 hide_desktop_popup_func,
974 desktop_popup_perm = TRUE;
977 void screen_hide_desktop_popup(void)
979 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
980 desktop_popup_timer = 0;
981 pager_popup_hide(desktop_popup);
982 desktop_popup_perm = FALSE;
985 guint screen_find_desktop(guint from, ObDirection dir,
986 gboolean wrap, gboolean linear)
992 get_row_col(d, &r, &c);
995 case OB_DIRECTION_EAST:
996 if (d < screen_num_desktops - 1)
1003 case OB_DIRECTION_WEST:
1007 d = screen_num_desktops - 1;
1012 g_assert_not_reached();
1017 case OB_DIRECTION_EAST:
1019 if (c >= screen_desktop_layout.columns) {
1025 d = translate_row_col(r, c);
1026 if (d >= screen_num_desktops) {
1033 case OB_DIRECTION_WEST:
1035 if (c >= screen_desktop_layout.columns) {
1037 c = screen_desktop_layout.columns - 1;
1041 d = translate_row_col(r, c);
1042 if (d >= screen_num_desktops) {
1049 case OB_DIRECTION_SOUTH:
1051 if (r >= screen_desktop_layout.rows) {
1057 d = translate_row_col(r, c);
1058 if (d >= screen_num_desktops) {
1065 case OB_DIRECTION_NORTH:
1067 if (r >= screen_desktop_layout.rows) {
1069 r = screen_desktop_layout.rows - 1;
1073 d = translate_row_col(r, c);
1074 if (d >= screen_num_desktops) {
1082 g_assert_not_reached();
1086 d = translate_row_col(r, c);
1091 static gboolean screen_validate_layout(ObDesktopLayout *l)
1093 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1096 /* fill in a zero rows/columns */
1097 if (l->columns == 0) {
1098 l->columns = screen_num_desktops / l->rows;
1099 if (l->rows * l->columns < screen_num_desktops)
1101 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1103 } else if (l->rows == 0) {
1104 l->rows = screen_num_desktops / l->columns;
1105 if (l->columns * l->rows < screen_num_desktops)
1107 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1111 /* bounds checking */
1112 if (l->orientation == OB_ORIENTATION_HORZ) {
1113 l->columns = MIN(screen_num_desktops, l->columns);
1114 l->rows = MIN(l->rows,
1115 (screen_num_desktops + l->columns - 1) / l->columns);
1116 l->columns = screen_num_desktops / l->rows +
1117 !!(screen_num_desktops % l->rows);
1119 l->rows = MIN(screen_num_desktops, l->rows);
1120 l->columns = MIN(l->columns,
1121 (screen_num_desktops + l->rows - 1) / l->rows);
1122 l->rows = screen_num_desktops / l->columns +
1123 !!(screen_num_desktops % l->columns);
1128 void screen_update_layout(void)
1135 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1136 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1137 screen_desktop_layout.rows = 1;
1138 screen_desktop_layout.columns = screen_num_desktops;
1140 if (OBT_PROP_GETA32(obt_root(ob_screen),
1141 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1142 if (num == 3 || num == 4) {
1144 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1145 l.orientation = OB_ORIENTATION_VERT;
1146 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1147 l.orientation = OB_ORIENTATION_HORZ;
1152 l.start_corner = OB_CORNER_TOPLEFT;
1154 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1155 l.start_corner = OB_CORNER_TOPLEFT;
1156 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1157 l.start_corner = OB_CORNER_TOPRIGHT;
1158 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1159 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1160 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1161 l.start_corner = OB_CORNER_BOTTOMLEFT;
1166 l.columns = data[1];
1169 if (screen_validate_layout(&l))
1170 screen_desktop_layout = l;
1177 void screen_update_desktop_names(void)
1181 /* empty the array */
1182 g_strfreev(screen_desktop_names);
1183 screen_desktop_names = NULL;
1185 if (OBT_PROP_GETSS(obt_root(ob_screen),
1186 NET_DESKTOP_NAMES, &screen_desktop_names))
1187 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1190 if (i < screen_num_desktops) {
1193 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1194 screen_num_desktops + 1);
1195 screen_desktop_names[screen_num_desktops] = NULL;
1197 it = g_slist_nth(config_desktops_names, i);
1199 for (; i < screen_num_desktops; ++i) {
1200 if (it && ((char*)it->data)[0]) /* not empty */
1201 /* use the names from the config file when possible */
1202 screen_desktop_names[i] = g_strdup(it->data);
1204 /* make up a nice name if it's not though */
1205 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1207 if (it) it = g_slist_next(it);
1210 /* if we changed any names, then set the root property so we can
1211 all agree on the names */
1212 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1213 (const gchar*const*)screen_desktop_names);
1216 /* resize the pager for these names */
1217 pager_popup_text_width_to_strings(desktop_popup,
1218 screen_desktop_names,
1219 screen_num_desktops);
1222 void screen_show_desktop(ObScreenShowDestopMode show_mode, ObClient *show_only)
1226 ObScreenShowDestopMode before_mode = screen_show_desktop_mode;
1228 gboolean showing_before = screen_showing_desktop();
1229 screen_show_desktop_mode = show_mode;
1230 gboolean showing_after = screen_showing_desktop();
1232 if (showing_before == showing_after) {
1234 screen_show_desktop_mode = before_mode;
1238 if (screen_show_desktop_mode == SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE &&
1241 /* If we're showing the desktop until the show-mode is toggled, we
1242 don't allow breaking out of showing-desktop mode unless we're
1243 showing all the windows again. */
1244 screen_show_desktop_mode = before_mode;
1248 if (showing_after) {
1249 /* hide windows bottom to top */
1250 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1251 if (WINDOW_IS_CLIENT(it->data)) {
1252 ObClient *client = it->data;
1253 client_showhide(client);
1258 /* restore windows top to bottom */
1259 for (it = stacking_list; it; it = g_list_next(it)) {
1260 if (WINDOW_IS_CLIENT(it->data)) {
1261 ObClient *client = it->data;
1262 if (client_should_show(client)) {
1263 if (!show_only || client == show_only)
1264 client_show(client);
1266 client_iconify(client, TRUE, FALSE, TRUE);
1272 if (showing_after) {
1273 /* focus the desktop */
1274 for (it = focus_order; it; it = g_list_next(it)) {
1275 ObClient *c = it->data;
1276 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1277 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1278 client_focus(it->data))
1282 else if (!show_only) {
1285 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1286 /* only do the flicker reducing stuff ahead of time if we are going
1287 to call xsetinputfocus on the window ourselves. otherwise there
1288 is no guarantee the window will actually take focus.. */
1290 /* reduce flicker by hiliting now rather than waiting for the
1291 server FocusIn event */
1292 frame_adjust_focus(c->frame, TRUE);
1297 OBT_PROP_SET32(obt_root(ob_screen),
1298 NET_SHOWING_DESKTOP,
1303 gboolean screen_showing_desktop()
1305 switch (screen_show_desktop_mode) {
1306 case SCREEN_SHOW_DESKTOP_NO:
1308 case SCREEN_SHOW_DESKTOP_UNTIL_WINDOW:
1309 case SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE:
1312 g_assert_not_reached();
1316 void screen_install_colormap(ObClient *client, gboolean install)
1318 if (client == NULL || client->colormap == None) {
1320 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1322 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1324 obt_display_ignore_errors(TRUE);
1326 XInstallColormap(obt_display, client->colormap);
1328 XUninstallColormap(obt_display, client->colormap);
1329 obt_display_ignore_errors(FALSE);
1335 StrutPartial *strut;
1338 #define RESET_STRUT_LIST(sl) \
1340 g_slice_free(ObScreenStrut, (sl)->data); \
1341 sl = g_slist_delete_link(sl, sl); \
1344 #define ADD_STRUT_TO_LIST(sl, d, s) \
1346 ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
1349 sl = g_slist_prepend(sl, ss); \
1352 #define VALIDATE_STRUTS(sl, side, max) \
1355 for (it = sl; it; it = g_slist_next(it)) { \
1356 ObScreenStrut *ss = it->data; \
1357 ss->strut->side = MIN(max, ss->strut->side); \
1361 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1367 XineramaScreenInfo *info;
1370 if (ob_debug_xinerama) {
1371 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1372 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1374 *xin_areas = g_new(Rect, *nxin + 1);
1375 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1376 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1377 } else if (config_emulate_xinerama) {
1379 *xin_areas = g_new(Rect, *nxin + 1);
1380 RECT_SET((*xin_areas)[0], 0, 0,
1381 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1382 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1383 RECT_SET((*xin_areas)[1],
1384 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1386 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1387 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1388 RECT_SET((*xin_areas)[*nxin], 0, 0,
1389 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1390 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1393 else if (obt_display_extension_xinerama &&
1394 (info = XineramaQueryScreens(obt_display, &n))) {
1396 *xin_areas = g_new(Rect, *nxin + 1);
1397 for (i = 0; i < *nxin; ++i)
1398 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1399 info[i].width, info[i].height);
1405 *xin_areas = g_new(Rect, *nxin + 1);
1406 RECT_SET((*xin_areas)[0], 0, 0,
1407 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1408 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1411 /* returns one extra with the total area in it */
1412 l = (*xin_areas)[0].x;
1413 t = (*xin_areas)[0].y;
1414 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1415 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1416 for (i = 1; i < *nxin; ++i) {
1417 l = MIN(l, (*xin_areas)[i].x);
1418 t = MIN(l, (*xin_areas)[i].y);
1419 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1420 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1422 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1424 for (i = 0; i < *nxin; ++i)
1425 ob_debug("Monitor %d @ %d,%d %dx%d\n", i,
1426 (*xin_areas)[i].x, (*xin_areas)[i].y,
1427 (*xin_areas)[i].width, (*xin_areas)[i].height);
1428 ob_debug("Full desktop @ %d,%d %dx%d\n",
1429 (*xin_areas)[i].x, (*xin_areas)[i].y,
1430 (*xin_areas)[i].width, (*xin_areas)[i].height);
1433 void screen_update_areas(void)
1437 GList *it, *onscreen;
1439 /* collect the clients that are on screen */
1441 for (it = client_list; it; it = g_list_next(it)) {
1442 if (client_monitor(it->data) != screen_num_monitors)
1443 onscreen = g_list_prepend(onscreen, it->data);
1446 g_free(monitor_area);
1447 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1449 /* set up the user-specified margins */
1450 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1451 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1452 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1453 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1454 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1455 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1456 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1457 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1459 RESET_STRUT_LIST(struts_left);
1460 RESET_STRUT_LIST(struts_top);
1461 RESET_STRUT_LIST(struts_right);
1462 RESET_STRUT_LIST(struts_bottom);
1464 /* collect the struts */
1465 for (it = client_list; it; it = g_list_next(it)) {
1466 ObClient *c = it->data;
1468 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1470 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1472 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1473 if (c->strut.bottom)
1474 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1476 if (dock_strut.left)
1477 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1479 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1480 if (dock_strut.right)
1481 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1482 if (dock_strut.bottom)
1483 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1485 if (config_margins.left)
1486 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1487 if (config_margins.top)
1488 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1489 if (config_margins.right)
1490 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1491 if (config_margins.bottom)
1492 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1494 VALIDATE_STRUTS(struts_left, left,
1495 monitor_area[screen_num_monitors].width / 2);
1496 VALIDATE_STRUTS(struts_right, right,
1497 monitor_area[screen_num_monitors].width / 2);
1498 VALIDATE_STRUTS(struts_top, top,
1499 monitor_area[screen_num_monitors].height / 2);
1500 VALIDATE_STRUTS(struts_bottom, bottom,
1501 monitor_area[screen_num_monitors].height / 2);
1503 dims = g_new(gulong, 4 * screen_num_desktops);
1504 for (i = 0; i < screen_num_desktops; ++i) {
1505 Rect *area = screen_area(i, SCREEN_AREA_ALL_MONITORS, NULL);
1506 dims[i*4+0] = area->x;
1507 dims[i*4+1] = area->y;
1508 dims[i*4+2] = area->width;
1509 dims[i*4+3] = area->height;
1510 g_slice_free(Rect, area);
1513 /* set the legacy workarea hint to the union of all the monitors */
1514 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1515 dims, 4 * screen_num_desktops);
1517 /* the area has changed, adjust all the windows if they need it */
1518 for (it = onscreen; it; it = g_list_next(it))
1519 client_reconfigure(it->data, FALSE);
1525 Rect* screen_area_all_monitors(guint desktop)
1530 a = screen_area_monitor(desktop, 0);
1532 /* combine all the monitors together */
1533 for (i = 1; i < screen_num_monitors; ++i) {
1534 Rect *m = screen_area_monitor(desktop, i);
1537 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1538 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1539 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1540 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1542 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1551 #define STRUT_LEFT_IN_SEARCH(s, search) \
1552 (RANGES_INTERSECT(search->y, search->height, \
1553 s->left_start, s->left_end - s->left_start + 1))
1554 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1555 (RANGES_INTERSECT(search->y, search->height, \
1556 s->right_start, s->right_end - s->right_start + 1))
1557 #define STRUT_TOP_IN_SEARCH(s, search) \
1558 (RANGES_INTERSECT(search->x, search->width, \
1559 s->top_start, s->top_end - s->top_start + 1))
1560 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1561 (RANGES_INTERSECT(search->x, search->width, \
1562 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1564 #define STRUT_LEFT_IGNORE(s, us, search) \
1565 (head == SCREEN_AREA_ALL_MONITORS && us && \
1566 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1567 #define STRUT_RIGHT_IGNORE(s, us, search) \
1568 (head == SCREEN_AREA_ALL_MONITORS && us && \
1569 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1570 #define STRUT_TOP_IGNORE(s, us, search) \
1571 (head == SCREEN_AREA_ALL_MONITORS && us && \
1572 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1573 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1574 (head == SCREEN_AREA_ALL_MONITORS && us && \
1575 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1577 Rect* screen_area(guint desktop, guint head, Rect *search)
1583 gboolean us = search != NULL; /* user provided search */
1585 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1586 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1587 head == SCREEN_AREA_ALL_MONITORS);
1588 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1590 /* find any struts for this monitor
1591 which will be affecting the search area.
1594 /* search everything if search is null */
1596 if (head < screen_num_monitors) search = &monitor_area[head];
1597 else search = &monitor_area[screen_num_monitors];
1599 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1601 /* al is "all left" meaning the furthest left you can get, l is our
1602 "working left" meaning our current strut edge which we're calculating
1605 /* only include monitors which the search area lines up with */
1606 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1607 l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1608 t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1609 r = RECT_LEFT(monitor_area[screen_num_monitors]);
1610 b = RECT_TOP(monitor_area[screen_num_monitors]);
1611 for (i = 0; i < screen_num_monitors; ++i) {
1612 /* add the monitor if applicable */
1613 if (RANGES_INTERSECT(search->x, search->width,
1614 monitor_area[i].x, monitor_area[i].width))
1616 t = MIN(t, RECT_TOP(monitor_area[i]));
1617 b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1619 if (RANGES_INTERSECT(search->y, search->height,
1620 monitor_area[i].y, monitor_area[i].height))
1622 l = MIN(l, RECT_LEFT(monitor_area[i]));
1623 r = MAX(r, RECT_RIGHT(monitor_area[i]));
1627 l = RECT_LEFT(monitor_area[screen_num_monitors]);
1628 t = RECT_TOP(monitor_area[screen_num_monitors]);
1629 r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1630 b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1633 for (d = 0; d < screen_num_desktops; ++d) {
1634 if (d != desktop && desktop != DESKTOP_ALL) continue;
1636 for (i = 0; i < screen_num_monitors; ++i) {
1637 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1639 for (it = struts_left; it; it = g_slist_next(it)) {
1640 ObScreenStrut *s = it->data;
1641 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1642 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1643 !STRUT_LEFT_IGNORE(s->strut, us, search))
1644 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1647 for (it = struts_top; it; it = g_slist_next(it)) {
1648 ObScreenStrut *s = it->data;
1649 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1650 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1651 !STRUT_TOP_IGNORE(s->strut, us, search))
1652 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1655 for (it = struts_right; it; it = g_slist_next(it)) {
1656 ObScreenStrut *s = it->data;
1657 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1658 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1659 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1660 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1663 for (it = struts_bottom; it; it = g_slist_next(it)) {
1664 ObScreenStrut *s = it->data;
1665 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1666 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1667 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1668 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1669 - s->strut->bottom);
1672 /* limit to this monitor */
1674 l = MAX(l, RECT_LEFT(monitor_area[i]));
1675 t = MAX(t, RECT_TOP(monitor_area[i]));
1676 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1677 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1682 a = g_slice_new(Rect);
1685 a->width = r - l + 1;
1686 a->height = b - t + 1;
1695 guint screen_find_monitor(const Rect *search)
1698 guint mostpx_index = screen_num_monitors;
1700 guint closest_distance_index = screen_num_monitors;
1701 guint closest_distance = G_MAXUINT;
1702 GSList *counted = NULL;
1704 /* we want to count the number of pixels search has on each monitor, but not
1705 double count. so if a pixel is counted on monitor A then we should not
1706 count it again on monitor B. in the end we want to return the monitor
1707 that had the most pixels counted under this scheme.
1709 this assumes that monitors earlier in the list are more desirable to be
1710 considered the search area's monitor. we try the configured primary
1711 monitor first, so it gets the highest preference.
1713 if we have counted an area A, then we want to subtract the intersection
1714 of A with the area on future monitors.
1715 but now consider if we count an area B that intersects A. we want to
1716 subtract the area B from that counted on future monitors, but not
1717 subtract the intersection of A and B twice! so we would add the
1718 intersection of A and B back, to account for it being subtracted both
1721 this is the idea behind the algorithm. we always subtract the full area
1722 for monitor M intersected with the search area. we'll call that AREA.
1723 but then we go through the list |counted| and for each rectangle in
1724 the list that is being subtracted from future monitors, we insert a
1725 request to add back the intersection of the subtracted rect with AREA.
1726 vice versa for a rect in |counted| that is getting added back.
1729 if (config_primary_monitor_index < screen_num_monitors) {
1730 const Rect *monitor;
1731 Rect on_current_monitor;
1734 monitor = screen_physical_area_monitor(config_primary_monitor_index);
1736 if (RECT_INTERSECTS_RECT(*monitor, *search)) {
1737 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1738 area = RECT_AREA(on_current_monitor);
1740 if (area > mostpx) {
1742 mostpx_index = config_primary_monitor_index;
1745 /* add the intersection rect on the current monitor to the
1746 counted list. that's easy for the first one, we just mark it for
1749 RectArithmetic *ra = g_slice_new(RectArithmetic);
1750 ra->r = on_current_monitor;
1751 ra->subtract = TRUE;
1752 counted = g_slist_prepend(counted, ra);
1757 for (i = 0; i < screen_num_monitors; ++i) {
1758 const Rect *monitor;
1759 Rect on_current_monitor;
1763 monitor = screen_physical_area_monitor(i);
1765 if (!RECT_INTERSECTS_RECT(*monitor, *search)) {
1766 /* If we don't intersect then find the distance between the search
1767 rect and the monitor. We'll use the closest monitor from this
1768 metric if none of the monitors intersect. */
1769 guint distance = rect_manhatten_distance(*monitor, *search);
1771 if (distance < closest_distance) {
1772 closest_distance = distance;
1773 closest_distance_index = i;
1778 if (i == config_primary_monitor_index)
1779 continue; /* already did this one */
1781 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1782 area = RECT_AREA(on_current_monitor);
1784 /* remove pixels we already counted on any previous monitors. */
1785 for (it = counted; it; it = g_slist_next(it)) {
1786 RectArithmetic *ra = it->data;
1789 RECT_SET_INTERSECTION(intersection, ra->r, *search);
1790 if (ra->subtract) area -= RECT_AREA(intersection);
1791 else area += RECT_AREA(intersection);
1794 if (area > mostpx) {
1799 /* add the intersection rect on the current monitor I to the counted
1801 but now we need to compensate for every rectangle R already in the
1802 counted list, and add a new rect R' that is the intersection of
1803 R and I, but with the reverse subtraction/addition operation.
1805 for (it = counted; it; it = g_slist_next(it)) {
1806 RectArithmetic *saved = it->data;
1808 if (!RECT_INTERSECTS_RECT(saved->r, on_current_monitor))
1810 /* we are going to subtract our rect from future monitors, but
1811 part of it may already be being subtracted/added, so compensate
1812 to not double add/subtract. */
1813 RectArithmetic *reverse = g_slice_new(RectArithmetic);
1814 RECT_SET_INTERSECTION(reverse->r, saved->r, on_current_monitor);
1815 reverse->subtract = !saved->subtract;
1816 /* prepend so we can continue thru the list uninterupted */
1817 counted = g_slist_prepend(counted, reverse);
1820 RectArithmetic *ra = g_slice_new(RectArithmetic);
1821 ra->r = on_current_monitor;
1822 ra->subtract = TRUE;
1823 counted = g_slist_prepend(counted, ra);
1828 g_slice_free(RectArithmetic, counted->data);
1829 counted = g_slist_delete_link(counted, counted);
1832 if (mostpx_index < screen_num_monitors)
1833 return mostpx_index;
1835 g_assert(closest_distance_index < screen_num_monitors);
1836 return closest_distance_index;
1839 const Rect* screen_physical_area_all_monitors(void)
1841 return screen_physical_area_monitor(screen_num_monitors);
1844 const Rect* screen_physical_area_monitor(guint head)
1846 g_assert(head <= screen_num_monitors);
1848 return &monitor_area[head];
1851 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1853 g_assert(head <= screen_num_monitors);
1855 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1858 guint screen_monitor_active(void)
1860 if (moveresize_client)
1861 return client_monitor(moveresize_client);
1862 else if (focus_client)
1863 return client_monitor(focus_client);
1865 return screen_monitor_pointer();
1868 const Rect* screen_physical_area_active(void)
1870 return screen_physical_area_monitor(screen_monitor_active());
1873 guint screen_monitor_primary(gboolean fixed)
1875 if (config_primary_monitor_index > 0) {
1876 if (config_primary_monitor_index-1 < screen_num_monitors)
1877 return config_primary_monitor_index - 1;
1883 else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
1884 return screen_monitor_active();
1885 else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
1886 return screen_monitor_pointer();
1889 const Rect* screen_physical_area_primary(gboolean fixed)
1891 return screen_physical_area_monitor(screen_monitor_primary(fixed));
1894 void screen_set_root_cursor(void)
1896 if (sn_app_starting())
1897 XDefineCursor(obt_display, obt_root(ob_screen),
1898 ob_cursor(OB_CURSOR_BUSYPOINTER));
1900 XDefineCursor(obt_display, obt_root(ob_screen),
1901 ob_cursor(OB_CURSOR_POINTER));
1904 guint screen_find_monitor_point(guint x, guint y)
1907 RECT_SET(mon, x, y, 1, 1);
1908 return screen_find_monitor(&mon);
1911 guint screen_monitor_pointer()
1914 if (!screen_pointer_pos(&x, &y))
1916 return screen_find_monitor_point(x, y);
1919 gboolean screen_pointer_pos(gint *x, gint *y)
1926 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1927 &w, &w, x, y, &i, &i, &u);
1929 for (i = 0; i < ScreenCount(obt_display); ++i)
1931 if (XQueryPointer(obt_display, obt_root(i),
1932 &w, &w, x, y, &i, &i, &u))
1938 gboolean screen_compare_desktops(guint a, guint b)
1940 if (a == DESKTOP_ALL)
1942 if (b == DESKTOP_ALL)
1947 void screen_apply_gravity_point(gint *x, gint *y, gint width, gint height,
1948 const GravityPoint *position, const Rect *area)
1950 if (position->x.center)
1951 *x = area->width / 2 - width / 2;
1953 *x = position->x.pos;
1954 if (position->x.denom)
1955 *x = (*x * area->width) / position->x.denom;
1956 if (position->x.opposite)
1957 *x = area->width - width - *x;
1960 if (position->y.center)
1961 *y = area->height / 2 - height / 2;
1963 *y = position->y.pos;
1964 if (position->y.denom)
1965 *y = (*y * area->height) / position->y.denom;
1966 if (position->y.opposite)
1967 *y = area->height - height - *y;