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.
25 #include "startupnotify.h"
26 #include "moveresize.h"
34 #include "focus_cycle.h"
37 #include "obrender/render.h"
39 #include "obt/display.h"
40 #include "obt/xqueue.h"
45 # include <sys/types.h>
50 /*! The event mask to grab on the root window */
51 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
52 EnterWindowMask | LeaveWindowMask | \
53 SubstructureRedirectMask | FocusChangeMask | \
54 ButtonPressMask | ButtonReleaseMask)
56 static gboolean screen_validate_layout(ObDesktopLayout *l);
57 static gboolean replace_wm(void);
58 //static void screen_tell_ksplash(void);
59 static void screen_fallback_focus(void);
61 guint screen_num_desktops;
62 guint screen_num_monitors;
64 guint screen_last_desktop;
65 ObScreenShowDestopMode screen_show_desktop_mode;
66 ObDesktopLayout screen_desktop_layout;
67 gchar **screen_desktop_names;
68 Window screen_support_win;
69 Time screen_desktop_user_time = CurrentTime;
71 static Size screen_physical_size;
72 static guint screen_old_desktop;
73 static gboolean screen_desktop_timeout = TRUE;
74 static guint screen_desktop_timer = 0;
75 /*! An array of desktops, holding an array of areas per monitor */
76 static Rect *monitor_area = NULL;
77 /*! An array of desktops, holding an array of struts */
78 static GSList *struts_top = NULL;
79 static GSList *struts_left = NULL;
80 static GSList *struts_right = NULL;
81 static GSList *struts_bottom = NULL;
83 static ObPagerPopup *desktop_popup;
84 static guint desktop_popup_timer = 0;
85 static gboolean desktop_popup_perm;
87 /*! The number of microseconds that you need to be on a desktop before it will
88 replace the remembered "last desktop" */
89 #define REMEMBER_LAST_DESKTOP_TIME 750
91 static gboolean replace_wm(void)
95 Window current_wm_sn_owner;
98 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
99 wm_sn_atom = XInternAtom(obt_display, wm_sn, FALSE);
102 current_wm_sn_owner = XGetSelectionOwner(obt_display, wm_sn_atom);
103 if (current_wm_sn_owner == screen_support_win)
104 current_wm_sn_owner = None;
105 if (current_wm_sn_owner) {
106 if (!ob_replace_wm) {
107 g_message(_("A window manager is already running on screen %d"),
111 obt_display_ignore_errors(TRUE);
113 /* We want to find out when the current selection owner dies */
114 XSelectInput(obt_display, current_wm_sn_owner, StructureNotifyMask);
115 XSync(obt_display, FALSE);
117 obt_display_ignore_errors(FALSE);
118 if (obt_display_error_occured)
119 current_wm_sn_owner = None;
122 timestamp = event_time();
124 XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
127 if (XGetSelectionOwner(obt_display, wm_sn_atom) != screen_support_win) {
128 g_message(_("Could not acquire window manager selection on screen %d"),
133 /* Wait for old window manager to go away */
134 if (current_wm_sn_owner) {
136 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
137 ObtXQueueWindowType wt;
139 wt.window = current_wm_sn_owner;
140 wt.type = DestroyNotify;
142 while (wait < timeout) {
143 /* Checks the local queue and incoming events for this event */
144 if (xqueue_exists_local(xqueue_match_window_type, &wt))
146 g_usleep(G_USEC_PER_SEC / 10);
147 wait += G_USEC_PER_SEC / 10;
150 if (wait >= timeout) {
151 g_message(_("The WM on screen %d is not exiting"), ob_screen);
156 /* Send client message indicating that we are now the WM */
157 obt_prop_message(ob_screen, obt_root(ob_screen), OBT_PROP_ATOM(MANAGER),
158 timestamp, wm_sn_atom, screen_support_win, 0, 0,
159 SubstructureNotifyMask);
164 gboolean screen_annex(void)
166 XSetWindowAttributes attrib;
171 /* create the netwm support window */
172 attrib.override_redirect = TRUE;
173 attrib.event_mask = PropertyChangeMask | KeyPressMask | KeyReleaseMask;
174 screen_support_win = XCreateWindow(obt_display, obt_root(ob_screen),
176 CopyFromParent, InputOutput,
178 CWEventMask | CWOverrideRedirect,
180 XMapWindow(obt_display, screen_support_win);
181 XLowerWindow(obt_display, screen_support_win);
184 XDestroyWindow(obt_display, screen_support_win);
188 obt_display_ignore_errors(TRUE);
189 XSelectInput(obt_display, obt_root(ob_screen), ROOT_EVENTMASK);
190 obt_display_ignore_errors(FALSE);
191 if (obt_display_error_occured) {
192 g_message(_("A window manager is already running on screen %d"),
195 XDestroyWindow(obt_display, screen_support_win);
199 screen_set_root_cursor();
201 /* set the OPENBOX_PID hint */
203 OBT_PROP_SET32(obt_root(ob_screen), OPENBOX_PID, CARDINAL, pid);
205 /* set supporting window */
206 OBT_PROP_SET32(obt_root(ob_screen),
207 NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
209 /* set properties on the supporting window */
210 OBT_PROP_SETS(screen_support_win, NET_WM_NAME, "Openbox");
211 OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
212 WINDOW, screen_support_win);
214 /* set the _NET_SUPPORTED_ATOMS hint */
216 /* this is all the atoms after NET_SUPPORTED in the ObtPropAtoms enum */
217 num_support = OBT_PROP_NUM_ATOMS - OBT_PROP_NET_SUPPORTED - 1;
219 supported = g_new(gulong, num_support);
220 supported[i++] = OBT_PROP_ATOM(NET_SUPPORTING_WM_CHECK);
221 supported[i++] = OBT_PROP_ATOM(NET_WM_FULL_PLACEMENT);
222 supported[i++] = OBT_PROP_ATOM(NET_CURRENT_DESKTOP);
223 supported[i++] = OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS);
224 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_GEOMETRY);
225 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_VIEWPORT);
226 supported[i++] = OBT_PROP_ATOM(NET_ACTIVE_WINDOW);
227 supported[i++] = OBT_PROP_ATOM(NET_WORKAREA);
228 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST);
229 supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST_STACKING);
230 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_NAMES);
231 supported[i++] = OBT_PROP_ATOM(NET_CLOSE_WINDOW);
232 supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_LAYOUT);
233 supported[i++] = OBT_PROP_ATOM(NET_SHOWING_DESKTOP);
234 supported[i++] = OBT_PROP_ATOM(NET_WM_NAME);
235 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_NAME);
236 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_NAME);
237 supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_ICON_NAME);
238 supported[i++] = OBT_PROP_ATOM(NET_WM_DESKTOP);
239 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT);
240 supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT_PARTIAL);
241 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON);
242 supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_GEOMETRY);
243 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE);
244 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP);
245 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK);
246 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR);
247 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU);
248 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY);
249 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH);
250 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
251 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
252 supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
253 supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_OPACITY);
254 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
255 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
256 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
257 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
258 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
259 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
260 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
261 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
262 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
263 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
264 supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
265 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE);
266 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
267 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
268 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
269 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
270 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
271 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
272 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
273 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
274 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
275 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
276 supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
277 supported[i++] = OBT_PROP_ATOM(NET_MOVERESIZE_WINDOW);
278 supported[i++] = OBT_PROP_ATOM(NET_WM_MOVERESIZE);
279 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME);
281 supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME_WINDOW);
283 supported[i++] = OBT_PROP_ATOM(NET_FRAME_EXTENTS);
284 supported[i++] = OBT_PROP_ATOM(NET_REQUEST_FRAME_EXTENTS);
285 supported[i++] = OBT_PROP_ATOM(NET_RESTACK_WINDOW);
286 supported[i++] = OBT_PROP_ATOM(NET_STARTUP_ID);
288 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST);
289 supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST_COUNTER);
291 supported[i++] = OBT_PROP_ATOM(NET_WM_PID);
292 supported[i++] = OBT_PROP_ATOM(NET_WM_PING);
294 supported[i++] = OBT_PROP_ATOM(KDE_WM_CHANGE_STATE);
295 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_FRAME_STRUT);
296 supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
298 supported[i++] = OBT_PROP_ATOM(OB_FOCUS);
299 supported[i++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
300 supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
301 supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_LOCKED);
302 supported[i++] = OBT_PROP_ATOM(OPENBOX_PID);
303 supported[i++] = OBT_PROP_ATOM(OB_THEME);
304 supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
305 supported[i++] = OBT_PROP_ATOM(OB_LAST_DESKTOP);
306 supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
307 supported[i++] = OBT_PROP_ATOM(OB_VERSION);
308 supported[i++] = OBT_PROP_ATOM(OB_APP_ROLE);
309 supported[i++] = OBT_PROP_ATOM(OB_APP_TITLE);
310 supported[i++] = OBT_PROP_ATOM(OB_APP_NAME);
311 supported[i++] = OBT_PROP_ATOM(OB_APP_CLASS);
312 supported[i++] = OBT_PROP_ATOM(OB_APP_GROUP_NAME);
313 supported[i++] = OBT_PROP_ATOM(OB_APP_GROUP_CLASS);
314 supported[i++] = OBT_PROP_ATOM(OB_APP_TYPE);
315 supported[i++] = OBT_PROP_ATOM(OB_TARGET_WINDOW);
316 g_assert(i == num_support);
318 OBT_PROP_SETA32(obt_root(ob_screen),
319 NET_SUPPORTED, ATOM, supported, num_support);
322 OBT_PROP_SETS(RootWindow(obt_display, ob_screen), OB_VERSION,
325 //screen_tell_ksplash();
330 static void screen_tell_ksplash(void)
335 argv = g_new(gchar*, 6);
336 argv[0] = g_strdup("dcop");
337 argv[1] = g_strdup("ksplash");
338 argv[2] = g_strdup("ksplash");
339 argv[3] = g_strdup("upAndRunning(QString)");
340 argv[4] = g_strdup("wm started");
343 /* tell ksplash through the dcop server command line interface */
344 g_spawn_async(NULL, argv, NULL,
345 G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
346 G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
347 NULL, NULL, NULL, NULL);
350 /* i'm not sure why we do this, kwin does it, but ksplash doesn't seem to
351 hear it anyways. perhaps it is for old ksplash. or new ksplash. or
352 something. oh well. */
353 e.xclient.type = ClientMessage;
354 e.xclient.display = obt_display;
355 e.xclient.window = obt_root(ob_screen);
356 e.xclient.message_type =
357 XInternAtom(obt_display, "_KDE_SPLASH_PROGRESS", False);
358 e.xclient.format = 8;
359 strcpy(e.xclient.data.b, "wm started");
360 XSendEvent(obt_display, obt_root(ob_screen),
361 False, SubstructureNotifyMask, &e);
364 void screen_startup(gboolean reconfig)
366 gchar **names = NULL;
368 gboolean namesexist = FALSE;
370 desktop_popup = pager_popup_new();
371 desktop_popup->popup->a_text->texture[0].data.text.font = ob_rr_theme->menu_title_font;
372 desktop_popup_perm = FALSE;
373 pager_popup_height(desktop_popup, POPUP_HEIGHT);
376 /* update the pager popup's width */
377 pager_popup_text_width_to_strings(desktop_popup,
378 screen_desktop_names,
379 screen_num_desktops);
383 /* get the initial size */
386 /* have names already been set for the desktops? */
387 if (OBT_PROP_GETSS_UTF8(obt_root(ob_screen), NET_DESKTOP_NAMES, &names)) {
392 /* if names don't exist and we have session names, set those.
393 do this stuff BEFORE setting the number of desktops, because that
394 will create default names for them
396 if (!namesexist && session_desktop_names != NULL) {
400 /* get the desktop names */
401 numnames = g_slist_length(session_desktop_names);
402 names = g_new(gchar*, numnames + 1);
403 names[numnames] = NULL;
404 for (i = 0, it = session_desktop_names; it; ++i, it = g_slist_next(it))
405 names[i] = g_strdup(it->data);
407 /* set the root window property */
408 OBT_PROP_SETSS(obt_root(ob_screen),
409 NET_DESKTOP_NAMES, (const gchar*const*)names);
414 /* set the number of desktops, if it's not already set.
416 this will also set the default names from the config file up for
417 desktops that don't have names yet */
418 screen_num_desktops = 0;
419 if (OBT_PROP_GET32(obt_root(ob_screen),
420 NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
422 if (d != config_desktops_num) {
423 /* TRANSLATORS: If you need to specify a different order of the
424 arguments, you can use %1$d for the first one and %2$d for the
425 second one. For example,
426 "The current session has %2$d desktops, but Openbox is configured for %1$d ..." */
427 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),
428 config_desktops_num, d);
430 screen_set_num_desktops(d);
432 /* restore from session if possible */
433 else if (session_num_desktops)
434 screen_set_num_desktops(session_num_desktops);
436 screen_set_num_desktops(config_desktops_num);
438 screen_desktop = screen_num_desktops; /* something invalid */
439 /* start on the current desktop when a wm was already running */
440 if (OBT_PROP_GET32(obt_root(ob_screen),
441 NET_CURRENT_DESKTOP, CARDINAL, &d) &&
442 d < screen_num_desktops)
444 screen_set_desktop(d, FALSE);
445 } else if (session_desktop >= 0)
446 screen_set_desktop(MIN((guint)session_desktop,
447 screen_num_desktops), FALSE);
449 screen_set_desktop(MIN(config_screen_firstdesk,
450 screen_num_desktops) - 1, FALSE);
451 OBT_PROP_GET32(obt_root(ob_screen), OB_LAST_DESKTOP, CARDINAL, &screen_last_desktop);
452 if (screen_last_desktop < 0 || screen_last_desktop >= screen_num_desktops) {
453 screen_last_desktop = screen_desktop;
454 OBT_PROP_SET32(obt_root(ob_screen), OB_LAST_DESKTOP, CARDINAL, screen_last_desktop);
457 /* don't start in showing-desktop mode */
458 screen_show_desktop_mode = SCREEN_SHOW_DESKTOP_NO;
459 OBT_PROP_SET32(obt_root(ob_screen),
460 NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop());
462 if (session_desktop_layout_present &&
463 screen_validate_layout(&session_desktop_layout))
465 screen_desktop_layout = session_desktop_layout;
468 screen_update_layout();
471 void screen_shutdown(gboolean reconfig)
473 pager_popup_free(desktop_popup);
478 XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
480 /* we're not running here no more! */
481 OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
483 OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
484 /* don't keep this mode */
485 OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
487 XDestroyWindow(obt_display, screen_support_win);
489 g_strfreev(screen_desktop_names);
490 screen_desktop_names = NULL;
493 void screen_resize(void)
499 w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
500 h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
502 /* Set the _NET_DESKTOP_GEOMETRY hint */
503 screen_physical_size.width = geometry[0] = w;
504 screen_physical_size.height = geometry[1] = h;
505 OBT_PROP_SETA32(obt_root(ob_screen),
506 NET_DESKTOP_GEOMETRY, CARDINAL, geometry, 2);
508 if (ob_state() != OB_STATE_RUNNING)
511 /* this calls screen_update_areas(), which we need ! */
515 for (it = client_list; it; it = g_list_next(it)) {
516 client_reconfigure(it->data, FALSE);
520 void screen_set_num_desktops(guint num)
523 GList *it, *stacking_copy;
527 if (screen_num_desktops == num) return;
529 screen_num_desktops = num;
530 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
532 /* set the viewport hint */
533 viewport = g_new0(gulong, num * 2);
534 OBT_PROP_SETA32(obt_root(ob_screen),
535 NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
538 /* the number of rows/columns will differ */
539 screen_update_layout();
541 /* move windows on desktops that will no longer exist!
542 make a copy of the list cuz we're changing it */
543 stacking_copy = g_list_copy(stacking_list);
544 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
545 if (WINDOW_IS_CLIENT(it->data)) {
546 ObClient *c = it->data;
547 if (c->desktop != DESKTOP_ALL && c->desktop >= num)
548 client_set_desktop(c, num - 1, FALSE, TRUE);
549 /* raise all the windows that are on the current desktop which
551 else if (screen_desktop == num - 1 &&
552 (c->desktop == DESKTOP_ALL ||
553 c->desktop == screen_desktop))
554 stacking_raise(CLIENT_AS_WINDOW(c));
557 g_list_free(stacking_copy);
559 /* change our struts/area to match (after moving windows) */
560 screen_update_areas();
562 /* may be some unnamed desktops that we need to fill in with names
563 (after updating the areas so the popup can resize) */
564 screen_update_desktop_names();
566 /* change our desktop if we're on one that no longer exists! */
567 if (screen_desktop >= screen_num_desktops)
568 screen_set_desktop(num - 1, TRUE);
571 static void screen_fallback_focus(void)
576 /* only allow omnipresent windows to get focus on desktop change if
577 an omnipresent window is already focused (it'll keep focus probably, but
578 maybe not depending on mouse-focus options) */
579 allow_omni = focus_client && (client_normal(focus_client) &&
580 focus_client->desktop == DESKTOP_ALL);
582 /* the client moved there already so don't move focus. prevent flicker
583 on sendtodesktop + follow */
584 if (focus_client && focus_client->desktop == screen_desktop)
587 /* have to try focus here because when you leave an empty desktop
588 there is no focus out to watch for. also, we have different rules
589 here. we always allow it to look under the mouse pointer if
590 config_focus_last is FALSE
592 do this before hiding the windows so if helper windows are coming
593 with us, they don't get hidden
595 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
598 /* only do the flicker reducing stuff ahead of time if we are going
599 to call xsetinputfocus on the window ourselves. otherwise there is
600 no guarantee the window will actually take focus.. */
602 /* reduce flicker by hiliting now rather than waiting for the
603 server FocusIn event */
604 frame_adjust_focus(c->frame, TRUE);
605 /* do this here so that if you switch desktops to a window with
606 helper windows then the helper windows won't flash */
607 client_bring_helper_windows(c);
612 static gboolean last_desktop_func(gpointer data)
614 screen_desktop_timeout = TRUE;
615 OBT_PROP_SET32(obt_root(ob_screen), OB_LAST_DESKTOP, CARDINAL, screen_last_desktop);
616 screen_desktop_timer = 0;
617 return FALSE; /* don't repeat */
620 void screen_set_desktop(guint num, gboolean dofocus)
626 g_assert(num < screen_num_desktops);
628 previous = screen_desktop;
629 screen_desktop = num;
631 if (previous == num) return;
633 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
635 /* This whole thing decides when/how to save the screen_last_desktop so
636 that it can be restored later if you want */
637 if (screen_desktop_timeout) {
638 /* If screen_desktop_timeout is true, then we've been on this desktop
639 long enough and we can save it as the last desktop. */
641 if (screen_last_desktop == previous)
642 /* this is the startup state only */
643 screen_old_desktop = screen_desktop;
645 /* save the "last desktop" as the "old desktop" */
646 screen_old_desktop = screen_last_desktop;
647 /* save the desktop we're coming from as the "last desktop" */
648 screen_last_desktop = previous;
652 /* If screen_desktop_timeout is false, then we just got to this desktop
653 and we are moving away again. */
655 if (screen_desktop == screen_last_desktop) {
656 /* If we are moving to the "last desktop" .. */
657 if (previous == screen_old_desktop) {
658 /* .. from the "old desktop", change the last desktop to
659 be where we are coming from */
660 screen_last_desktop = screen_old_desktop;
662 else if (screen_last_desktop == screen_old_desktop) {
663 /* .. and also to the "old desktop", change the "last
664 desktop" to be where we are coming from */
665 screen_last_desktop = previous;
668 /* .. from some other desktop, then set the "last desktop" to
669 be the saved "old desktop", i.e. where we were before the
671 screen_last_desktop = screen_old_desktop;
675 /* If we are moving to any desktop besides the "last desktop"..
676 (this is the normal case) */
677 if (screen_desktop == screen_old_desktop) {
678 /* If moving to the "old desktop", which is not the
679 "last desktop", don't save anything */
681 else if (previous == screen_old_desktop) {
682 /* If moving from the "old desktop", and not to the
683 "last desktop", don't save anything */
685 else if (screen_last_desktop == screen_old_desktop) {
686 /* If the "last desktop" is the same as "old desktop" and
687 you're not moving to the "last desktop" then save where
688 we're coming from as the "last desktop" */
689 screen_last_desktop = previous;
692 /* If the "last desktop" is different from the "old desktop"
693 and you're not moving to the "last desktop", then don't save
698 screen_desktop_timeout = FALSE;
699 if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
700 screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
701 last_desktop_func, NULL);
703 ob_debug("Moving to desktop %d", num+1);
705 if (ob_state() == OB_STATE_RUNNING)
706 screen_show_desktop_popup(screen_desktop, FALSE);
708 /* ignore enter events caused by the move */
709 ignore_start = event_start_ignore_all_enters();
711 if (moveresize_client)
712 client_set_desktop(moveresize_client, num, TRUE, FALSE);
714 /* show windows before hiding the rest to lessen the enter/leave events */
716 /* show windows from top to bottom */
717 for (it = stacking_list; it; it = g_list_next(it)) {
718 if (WINDOW_IS_CLIENT(it->data)) {
719 ObClient *c = it->data;
724 if (dofocus) screen_fallback_focus();
726 /* hide windows from bottom to top */
727 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
728 if (WINDOW_IS_CLIENT(it->data)) {
729 ObClient *c = it->data;
730 if (client_hide(c)) {
731 if (c == focus_client) {
732 /* c was focused and we didn't do fallback clearly so make
733 sure openbox doesnt still consider the window focused.
734 this happens when using NextWindow with allDesktops,
735 since it doesnt want to move focus on desktop change,
736 but the focus is not going to stay with the current
737 window, which has now disappeared.
738 only do this if the client was actually hidden,
739 otherwise it can keep focus. */
740 focus_set_client(NULL);
746 focus_cycle_addremove(NULL, TRUE);
748 event_end_ignore_all_enters(ignore_start);
750 if (event_source_time() != CurrentTime)
751 screen_desktop_user_time = event_source_time();
754 void screen_add_desktop(gboolean current)
758 /* ignore enter events caused by this */
759 ignore_start = event_start_ignore_all_enters();
761 screen_set_num_desktops(screen_num_desktops+1);
763 /* move all the clients over */
767 for (it = client_list; it; it = g_list_next(it)) {
768 ObClient *c = it->data;
769 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
770 /* don't move direct children, they'll be moved with their
771 parent - which will have to be on the same desktop */
772 !client_direct_parent(c))
774 ob_debug("moving window %s", c->title);
775 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
780 event_end_ignore_all_enters(ignore_start);
783 void screen_remove_desktop(gboolean current)
785 guint rmdesktop, movedesktop;
786 GList *it, *stacking_copy;
789 if (screen_num_desktops <= 1) return;
791 /* ignore enter events caused by this */
792 ignore_start = event_start_ignore_all_enters();
794 /* what desktop are we removing and moving to? */
796 rmdesktop = screen_desktop;
798 rmdesktop = screen_num_desktops - 1;
799 if (rmdesktop < screen_num_desktops - 1)
800 movedesktop = rmdesktop + 1;
802 movedesktop = rmdesktop;
804 /* make a copy of the list cuz we're changing it */
805 stacking_copy = g_list_copy(stacking_list);
806 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
807 if (WINDOW_IS_CLIENT(it->data)) {
808 ObClient *c = it->data;
809 guint d = c->desktop;
810 if (d != DESKTOP_ALL && d >= movedesktop &&
811 /* don't move direct children, they'll be moved with their
812 parent - which will have to be on the same desktop */
813 !client_direct_parent(c))
815 ob_debug("moving window %s", c->title);
816 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
818 /* raise all the windows that are on the current desktop which
820 if ((screen_desktop == rmdesktop - 1 ||
821 screen_desktop == rmdesktop) &&
822 (d == DESKTOP_ALL || d == screen_desktop))
824 stacking_raise(CLIENT_AS_WINDOW(c));
825 ob_debug("raising window %s", c->title);
829 g_list_free(stacking_copy);
831 /* fallback focus like we're changing desktops */
832 if (screen_desktop < screen_num_desktops - 1) {
833 screen_fallback_focus();
834 ob_debug("fake desktop change");
837 screen_set_num_desktops(screen_num_desktops-1);
839 event_end_ignore_all_enters(ignore_start);
842 static void get_row_col(guint d, guint *r, guint *c)
844 switch (screen_desktop_layout.orientation) {
845 case OB_ORIENTATION_HORZ:
846 switch (screen_desktop_layout.start_corner) {
847 case OB_CORNER_TOPLEFT:
848 *r = d / screen_desktop_layout.columns;
849 *c = d % screen_desktop_layout.columns;
851 case OB_CORNER_BOTTOMLEFT:
852 *r = screen_desktop_layout.rows - 1 -
853 d / screen_desktop_layout.columns;
854 *c = d % screen_desktop_layout.columns;
856 case OB_CORNER_TOPRIGHT:
857 *r = d / screen_desktop_layout.columns;
858 *c = screen_desktop_layout.columns - 1 -
859 d % screen_desktop_layout.columns;
861 case OB_CORNER_BOTTOMRIGHT:
862 *r = screen_desktop_layout.rows - 1 -
863 d / screen_desktop_layout.columns;
864 *c = screen_desktop_layout.columns - 1 -
865 d % screen_desktop_layout.columns;
869 case OB_ORIENTATION_VERT:
870 switch (screen_desktop_layout.start_corner) {
871 case OB_CORNER_TOPLEFT:
872 *r = d % screen_desktop_layout.rows;
873 *c = d / screen_desktop_layout.rows;
875 case OB_CORNER_BOTTOMLEFT:
876 *r = screen_desktop_layout.rows - 1 -
877 d % screen_desktop_layout.rows;
878 *c = d / screen_desktop_layout.rows;
880 case OB_CORNER_TOPRIGHT:
881 *r = d % screen_desktop_layout.rows;
882 *c = screen_desktop_layout.columns - 1 -
883 d / screen_desktop_layout.rows;
885 case OB_CORNER_BOTTOMRIGHT:
886 *r = screen_desktop_layout.rows - 1 -
887 d % screen_desktop_layout.rows;
888 *c = screen_desktop_layout.columns - 1 -
889 d / screen_desktop_layout.rows;
896 static guint translate_row_col(guint r, guint c)
898 switch (screen_desktop_layout.orientation) {
899 case OB_ORIENTATION_HORZ:
900 switch (screen_desktop_layout.start_corner) {
901 case OB_CORNER_TOPLEFT:
902 return r % screen_desktop_layout.rows *
903 screen_desktop_layout.columns +
904 c % screen_desktop_layout.columns;
905 case OB_CORNER_BOTTOMLEFT:
906 return (screen_desktop_layout.rows - 1 -
907 r % screen_desktop_layout.rows) *
908 screen_desktop_layout.columns +
909 c % screen_desktop_layout.columns;
910 case OB_CORNER_TOPRIGHT:
911 return r % screen_desktop_layout.rows *
912 screen_desktop_layout.columns +
913 (screen_desktop_layout.columns - 1 -
914 c % screen_desktop_layout.columns);
915 case OB_CORNER_BOTTOMRIGHT:
916 return (screen_desktop_layout.rows - 1 -
917 r % screen_desktop_layout.rows) *
918 screen_desktop_layout.columns +
919 (screen_desktop_layout.columns - 1 -
920 c % screen_desktop_layout.columns);
922 case OB_ORIENTATION_VERT:
923 switch (screen_desktop_layout.start_corner) {
924 case OB_CORNER_TOPLEFT:
925 return c % screen_desktop_layout.columns *
926 screen_desktop_layout.rows +
927 r % screen_desktop_layout.rows;
928 case OB_CORNER_BOTTOMLEFT:
929 return c % screen_desktop_layout.columns *
930 screen_desktop_layout.rows +
931 (screen_desktop_layout.rows - 1 -
932 r % screen_desktop_layout.rows);
933 case OB_CORNER_TOPRIGHT:
934 return (screen_desktop_layout.columns - 1 -
935 c % screen_desktop_layout.columns) *
936 screen_desktop_layout.rows +
937 r % screen_desktop_layout.rows;
938 case OB_CORNER_BOTTOMRIGHT:
939 return (screen_desktop_layout.columns - 1 -
940 c % screen_desktop_layout.columns) *
941 screen_desktop_layout.rows +
942 (screen_desktop_layout.rows - 1 -
943 r % screen_desktop_layout.rows);
946 g_assert_not_reached();
950 static gboolean hide_desktop_popup_func(gpointer data)
952 pager_popup_hide(desktop_popup);
953 desktop_popup_timer = 0;
954 return FALSE; /* don't repeat */
957 void screen_show_desktop_popup(guint d, gboolean perm)
961 /* 0 means don't show the popup */
962 if (!config_desktop_popup_time) return;
964 a = screen_physical_area_primary(FALSE);
965 pager_popup_position(desktop_popup, CenterGravity,
966 a->x + a->width / 2, a->y + a->height / 2);
967 pager_popup_icon_size_multiplier(desktop_popup,
968 (screen_desktop_layout.columns /
969 screen_desktop_layout.rows) / 2,
970 (screen_desktop_layout.rows/
971 screen_desktop_layout.columns) / 2);
972 pager_popup_max_width(desktop_popup,
973 MAX(a->width/3, POPUP_WIDTH));
974 pager_popup_show(desktop_popup, screen_desktop_names[d], d);
976 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
977 desktop_popup_timer = 0;
978 if (!perm && !desktop_popup_perm)
979 /* only hide if its not already being show permanently */
980 desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
981 hide_desktop_popup_func,
984 desktop_popup_perm = TRUE;
987 void screen_hide_desktop_popup(void)
989 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
990 desktop_popup_timer = 0;
991 pager_popup_hide(desktop_popup);
992 desktop_popup_perm = FALSE;
995 guint screen_find_desktop(guint from, ObDirection dir,
996 gboolean wrap, gboolean linear)
1002 get_row_col(d, &r, &c);
1005 case OB_DIRECTION_EAST:
1006 if (d < screen_num_desktops - 1)
1013 case OB_DIRECTION_WEST:
1017 d = screen_num_desktops - 1;
1022 g_assert_not_reached();
1027 case OB_DIRECTION_EAST:
1029 if (c >= screen_desktop_layout.columns) {
1035 d = translate_row_col(r, c);
1036 if (d >= screen_num_desktops) {
1043 case OB_DIRECTION_WEST:
1045 if (c >= screen_desktop_layout.columns) {
1047 c = screen_desktop_layout.columns - 1;
1051 d = translate_row_col(r, c);
1052 if (d >= screen_num_desktops) {
1059 case OB_DIRECTION_SOUTH:
1061 if (r >= screen_desktop_layout.rows) {
1067 d = translate_row_col(r, c);
1068 if (d >= screen_num_desktops) {
1075 case OB_DIRECTION_NORTH:
1077 if (r >= screen_desktop_layout.rows) {
1079 r = screen_desktop_layout.rows - 1;
1083 d = translate_row_col(r, c);
1084 if (d >= screen_num_desktops) {
1092 g_assert_not_reached();
1096 d = translate_row_col(r, c);
1101 static gboolean screen_validate_layout(ObDesktopLayout *l)
1103 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1106 /* fill in a zero rows/columns */
1107 if (l->columns == 0) {
1108 l->columns = screen_num_desktops / l->rows;
1109 if (l->rows * l->columns < screen_num_desktops)
1111 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1113 } else if (l->rows == 0) {
1114 l->rows = screen_num_desktops / l->columns;
1115 if (l->columns * l->rows < screen_num_desktops)
1117 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1121 /* bounds checking */
1122 if (l->orientation == OB_ORIENTATION_HORZ) {
1123 l->columns = MIN(screen_num_desktops, l->columns);
1124 l->rows = MIN(l->rows,
1125 (screen_num_desktops + l->columns - 1) / l->columns);
1126 l->columns = screen_num_desktops / l->rows +
1127 !!(screen_num_desktops % l->rows);
1129 l->rows = MIN(screen_num_desktops, l->rows);
1130 l->columns = MIN(l->columns,
1131 (screen_num_desktops + l->rows - 1) / l->rows);
1132 l->rows = screen_num_desktops / l->columns +
1133 !!(screen_num_desktops % l->columns);
1138 void screen_update_layout(void)
1145 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1146 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1147 screen_desktop_layout.rows = 1;
1148 screen_desktop_layout.columns = screen_num_desktops;
1150 if (OBT_PROP_GETA32(obt_root(ob_screen),
1151 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1152 if (num == 3 || num == 4) {
1154 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1155 l.orientation = OB_ORIENTATION_VERT;
1156 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1157 l.orientation = OB_ORIENTATION_HORZ;
1162 l.start_corner = OB_CORNER_TOPLEFT;
1164 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1165 l.start_corner = OB_CORNER_TOPLEFT;
1166 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1167 l.start_corner = OB_CORNER_TOPRIGHT;
1168 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1169 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1170 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1171 l.start_corner = OB_CORNER_BOTTOMLEFT;
1176 l.columns = data[1];
1179 if (screen_validate_layout(&l))
1180 screen_desktop_layout = l;
1187 void screen_update_desktop_names(void)
1191 /* empty the array */
1192 g_strfreev(screen_desktop_names);
1193 screen_desktop_names = NULL;
1195 if (OBT_PROP_GETSS(obt_root(ob_screen),
1196 NET_DESKTOP_NAMES, &screen_desktop_names))
1197 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1200 if (i < screen_num_desktops) {
1203 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1204 screen_num_desktops + 1);
1205 screen_desktop_names[screen_num_desktops] = NULL;
1207 it = g_slist_nth(config_desktops_names, i);
1209 for (; i < screen_num_desktops; ++i) {
1210 if (it && ((char*)it->data)[0]) /* not empty */
1211 /* use the names from the config file when possible */
1212 screen_desktop_names[i] = g_strdup(it->data);
1214 /* make up a nice name if it's not though */
1215 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1217 if (it) it = g_slist_next(it);
1220 /* if we changed any names, then set the root property so we can
1221 all agree on the names */
1222 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1223 (const gchar*const*)screen_desktop_names);
1226 /* resize the pager for these names */
1227 pager_popup_text_width_to_strings(desktop_popup,
1228 screen_desktop_names,
1229 screen_num_desktops);
1232 void screen_show_desktop(ObScreenShowDestopMode show_mode, ObClient *show_only)
1236 ObScreenShowDestopMode before_mode = screen_show_desktop_mode;
1238 gboolean showing_before = screen_showing_desktop();
1239 screen_show_desktop_mode = show_mode;
1240 gboolean showing_after = screen_showing_desktop();
1242 if (showing_before == showing_after) {
1244 screen_show_desktop_mode = before_mode;
1248 if (screen_show_desktop_mode == SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE &&
1251 /* If we're showing the desktop until the show-mode is toggled, we
1252 don't allow breaking out of showing-desktop mode unless we're
1253 showing all the windows again. */
1254 screen_show_desktop_mode = before_mode;
1258 if (showing_after) {
1259 /* hide windows bottom to top */
1260 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1261 if (WINDOW_IS_CLIENT(it->data)) {
1262 ObClient *client = it->data;
1263 client_showhide(client);
1268 /* restore windows top to bottom */
1269 for (it = stacking_list; it; it = g_list_next(it)) {
1270 if (WINDOW_IS_CLIENT(it->data)) {
1271 ObClient *client = it->data;
1272 if (client_should_show(client)) {
1273 if (!show_only || client == show_only)
1274 client_show(client);
1276 client_iconify(client, TRUE, FALSE, TRUE);
1282 if (showing_after) {
1283 /* focus the desktop */
1284 for (it = focus_order; it; it = g_list_next(it)) {
1285 ObClient *c = it->data;
1286 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1287 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1288 client_focus(it->data))
1292 else if (!show_only) {
1295 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1296 /* only do the flicker reducing stuff ahead of time if we are going
1297 to call xsetinputfocus on the window ourselves. otherwise there
1298 is no guarantee the window will actually take focus.. */
1300 /* reduce flicker by hiliting now rather than waiting for the
1301 server FocusIn event */
1302 frame_adjust_focus(c->frame, TRUE);
1307 OBT_PROP_SET32(obt_root(ob_screen),
1308 NET_SHOWING_DESKTOP,
1313 gboolean screen_showing_desktop()
1315 switch (screen_show_desktop_mode) {
1316 case SCREEN_SHOW_DESKTOP_NO:
1318 case SCREEN_SHOW_DESKTOP_UNTIL_WINDOW:
1319 case SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE:
1322 g_assert_not_reached();
1326 void screen_install_colormap(ObClient *client, gboolean install)
1328 if (client == NULL || client->colormap == None) {
1330 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1332 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1334 obt_display_ignore_errors(TRUE);
1336 XInstallColormap(obt_display, client->colormap);
1338 XUninstallColormap(obt_display, client->colormap);
1339 obt_display_ignore_errors(FALSE);
1345 StrutPartial *strut;
1348 #define RESET_STRUT_LIST(sl) \
1350 g_slice_free(ObScreenStrut, (sl)->data); \
1351 sl = g_slist_delete_link(sl, sl); \
1354 #define ADD_STRUT_TO_LIST(sl, d, s) \
1356 ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
1359 sl = g_slist_prepend(sl, ss); \
1362 #define VALIDATE_STRUTS(sl, side, max) \
1365 for (it = sl; it; it = g_slist_next(it)) { \
1366 ObScreenStrut *ss = it->data; \
1367 ss->strut->side = MIN(max, ss->strut->side); \
1371 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1377 XineramaScreenInfo *info;
1380 if (ob_debug_xinerama) {
1381 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1382 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1384 *xin_areas = g_new(Rect, *nxin + 1);
1385 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1386 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1387 } else if (config_emulate_xinerama) {
1389 *xin_areas = g_new(Rect, *nxin + 1);
1390 RECT_SET((*xin_areas)[0], 0, 0,
1391 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1392 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1393 RECT_SET((*xin_areas)[1],
1394 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1396 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1397 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1398 RECT_SET((*xin_areas)[*nxin], 0, 0,
1399 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1400 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1403 else if (obt_display_extension_xinerama &&
1404 (info = XineramaQueryScreens(obt_display, &n))) {
1406 *xin_areas = g_new(Rect, *nxin + 1);
1407 for (i = 0; i < *nxin; ++i)
1408 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1409 info[i].width, info[i].height);
1415 *xin_areas = g_new(Rect, *nxin + 1);
1416 RECT_SET((*xin_areas)[0], 0, 0,
1417 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1418 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1421 /* returns one extra with the total area in it */
1422 l = (*xin_areas)[0].x;
1423 t = (*xin_areas)[0].y;
1424 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1425 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1426 for (i = 1; i < *nxin; ++i) {
1427 l = MIN(l, (*xin_areas)[i].x);
1428 t = MIN(l, (*xin_areas)[i].y);
1429 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1430 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1432 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1434 for (i = 0; i < *nxin; ++i)
1435 ob_debug("Monitor %d @ %d,%d %dx%d\n", i,
1436 (*xin_areas)[i].x, (*xin_areas)[i].y,
1437 (*xin_areas)[i].width, (*xin_areas)[i].height);
1438 ob_debug("Full desktop @ %d,%d %dx%d\n",
1439 (*xin_areas)[i].x, (*xin_areas)[i].y,
1440 (*xin_areas)[i].width, (*xin_areas)[i].height);
1443 void screen_update_areas(void)
1447 GList *it, *onscreen;
1449 /* collect the clients that are on screen */
1451 for (it = client_list; it; it = g_list_next(it)) {
1452 if (client_monitor(it->data) != screen_num_monitors)
1453 onscreen = g_list_prepend(onscreen, it->data);
1456 g_free(monitor_area);
1457 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1459 /* set up the user-specified margins */
1460 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1461 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1462 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1463 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1464 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1465 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1466 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1467 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1469 RESET_STRUT_LIST(struts_left);
1470 RESET_STRUT_LIST(struts_top);
1471 RESET_STRUT_LIST(struts_right);
1472 RESET_STRUT_LIST(struts_bottom);
1474 /* collect the struts */
1475 for (it = client_list; it; it = g_list_next(it)) {
1476 ObClient *c = it->data;
1478 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1480 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1482 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1483 if (c->strut.bottom)
1484 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1486 if (dock_strut.left)
1487 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1489 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1490 if (dock_strut.right)
1491 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1492 if (dock_strut.bottom)
1493 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1495 if (config_margins.left)
1496 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1497 if (config_margins.top)
1498 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1499 if (config_margins.right)
1500 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1501 if (config_margins.bottom)
1502 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1504 VALIDATE_STRUTS(struts_left, left,
1505 monitor_area[screen_num_monitors].width / 2);
1506 VALIDATE_STRUTS(struts_right, right,
1507 monitor_area[screen_num_monitors].width / 2);
1508 VALIDATE_STRUTS(struts_top, top,
1509 monitor_area[screen_num_monitors].height / 2);
1510 VALIDATE_STRUTS(struts_bottom, bottom,
1511 monitor_area[screen_num_monitors].height / 2);
1513 dims = g_new(gulong, 4 * screen_num_desktops);
1514 for (i = 0; i < screen_num_desktops; ++i) {
1515 Rect *area = screen_area(i, SCREEN_AREA_ALL_MONITORS, NULL);
1516 dims[i*4+0] = area->x;
1517 dims[i*4+1] = area->y;
1518 dims[i*4+2] = area->width;
1519 dims[i*4+3] = area->height;
1520 g_slice_free(Rect, area);
1523 /* set the legacy workarea hint to the union of all the monitors */
1524 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1525 dims, 4 * screen_num_desktops);
1527 /* the area has changed, adjust all the windows if they need it */
1528 for (it = onscreen; it; it = g_list_next(it))
1529 client_reconfigure(it->data, FALSE);
1535 Rect* screen_area_all_monitors(guint desktop)
1540 a = screen_area_monitor(desktop, 0);
1542 /* combine all the monitors together */
1543 for (i = 1; i < screen_num_monitors; ++i) {
1544 Rect *m = screen_area_monitor(desktop, i);
1547 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1548 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1549 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1550 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1552 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1561 #define STRUT_LEFT_IN_SEARCH(s, search) \
1562 (RANGES_INTERSECT(search->y, search->height, \
1563 s->left_start, s->left_end - s->left_start + 1))
1564 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1565 (RANGES_INTERSECT(search->y, search->height, \
1566 s->right_start, s->right_end - s->right_start + 1))
1567 #define STRUT_TOP_IN_SEARCH(s, search) \
1568 (RANGES_INTERSECT(search->x, search->width, \
1569 s->top_start, s->top_end - s->top_start + 1))
1570 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1571 (RANGES_INTERSECT(search->x, search->width, \
1572 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1574 #define STRUT_LEFT_IGNORE(s, us, search) \
1575 (head == SCREEN_AREA_ALL_MONITORS && us && \
1576 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1577 #define STRUT_RIGHT_IGNORE(s, us, search) \
1578 (head == SCREEN_AREA_ALL_MONITORS && us && \
1579 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1580 #define STRUT_TOP_IGNORE(s, us, search) \
1581 (head == SCREEN_AREA_ALL_MONITORS && us && \
1582 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1583 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1584 (head == SCREEN_AREA_ALL_MONITORS && us && \
1585 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1587 Rect* screen_area(guint desktop, guint head, Rect *search)
1593 gboolean us = search != NULL; /* user provided search */
1595 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1596 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1597 head == SCREEN_AREA_ALL_MONITORS);
1598 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1600 /* find any struts for this monitor
1601 which will be affecting the search area.
1604 /* search everything if search is null */
1606 if (head < screen_num_monitors) search = &monitor_area[head];
1607 else search = &monitor_area[screen_num_monitors];
1609 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1611 /* al is "all left" meaning the furthest left you can get, l is our
1612 "working left" meaning our current strut edge which we're calculating
1615 /* only include monitors which the search area lines up with */
1616 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1617 l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1618 t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1619 r = RECT_LEFT(monitor_area[screen_num_monitors]);
1620 b = RECT_TOP(monitor_area[screen_num_monitors]);
1621 for (i = 0; i < screen_num_monitors; ++i) {
1622 /* add the monitor if applicable */
1623 if (RANGES_INTERSECT(search->x, search->width,
1624 monitor_area[i].x, monitor_area[i].width))
1626 t = MIN(t, RECT_TOP(monitor_area[i]));
1627 b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1629 if (RANGES_INTERSECT(search->y, search->height,
1630 monitor_area[i].y, monitor_area[i].height))
1632 l = MIN(l, RECT_LEFT(monitor_area[i]));
1633 r = MAX(r, RECT_RIGHT(monitor_area[i]));
1637 l = RECT_LEFT(monitor_area[screen_num_monitors]);
1638 t = RECT_TOP(monitor_area[screen_num_monitors]);
1639 r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1640 b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1643 for (d = 0; d < screen_num_desktops; ++d) {
1644 if (d != desktop && desktop != DESKTOP_ALL) continue;
1646 for (i = 0; i < screen_num_monitors; ++i) {
1647 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1649 for (it = struts_left; it; it = g_slist_next(it)) {
1650 ObScreenStrut *s = it->data;
1651 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1652 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1653 !STRUT_LEFT_IGNORE(s->strut, us, search))
1654 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1657 for (it = struts_top; it; it = g_slist_next(it)) {
1658 ObScreenStrut *s = it->data;
1659 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1660 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1661 !STRUT_TOP_IGNORE(s->strut, us, search))
1662 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1665 for (it = struts_right; it; it = g_slist_next(it)) {
1666 ObScreenStrut *s = it->data;
1667 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1668 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1669 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1670 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1673 for (it = struts_bottom; it; it = g_slist_next(it)) {
1674 ObScreenStrut *s = it->data;
1675 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1676 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1677 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1678 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1679 - s->strut->bottom);
1682 /* limit to this monitor */
1684 l = MAX(l, RECT_LEFT(monitor_area[i]));
1685 t = MAX(t, RECT_TOP(monitor_area[i]));
1686 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1687 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1692 a = g_slice_new(Rect);
1695 a->width = r - l + 1;
1696 a->height = b - t + 1;
1705 guint screen_find_monitor(const Rect *search)
1708 guint mostpx_index = screen_num_monitors;
1710 guint closest_distance_index = screen_num_monitors;
1711 guint closest_distance = G_MAXUINT;
1712 GSList *counted = NULL;
1714 /* we want to count the number of pixels search has on each monitor, but not
1715 double count. so if a pixel is counted on monitor A then we should not
1716 count it again on monitor B. in the end we want to return the monitor
1717 that had the most pixels counted under this scheme.
1719 this assumes that monitors earlier in the list are more desirable to be
1720 considered the search area's monitor. we try the configured primary
1721 monitor first, so it gets the highest preference.
1723 if we have counted an area A, then we want to subtract the intersection
1724 of A with the area on future monitors.
1725 but now consider if we count an area B that intersects A. we want to
1726 subtract the area B from that counted on future monitors, but not
1727 subtract the intersection of A and B twice! so we would add the
1728 intersection of A and B back, to account for it being subtracted both
1731 this is the idea behind the algorithm. we always subtract the full area
1732 for monitor M intersected with the search area. we'll call that AREA.
1733 but then we go through the list |counted| and for each rectangle in
1734 the list that is being subtracted from future monitors, we insert a
1735 request to add back the intersection of the subtracted rect with AREA.
1736 vice versa for a rect in |counted| that is getting added back.
1739 if (config_primary_monitor_index < screen_num_monitors) {
1740 const Rect *monitor;
1741 Rect on_current_monitor;
1744 monitor = screen_physical_area_monitor(config_primary_monitor_index);
1746 if (RECT_INTERSECTS_RECT(*monitor, *search)) {
1747 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1748 area = RECT_AREA(on_current_monitor);
1750 if (area > mostpx) {
1752 mostpx_index = config_primary_monitor_index;
1755 /* add the intersection rect on the current monitor to the
1756 counted list. that's easy for the first one, we just mark it for
1759 RectArithmetic *ra = g_slice_new(RectArithmetic);
1760 ra->r = on_current_monitor;
1761 ra->subtract = TRUE;
1762 counted = g_slist_prepend(counted, ra);
1767 for (i = 0; i < screen_num_monitors; ++i) {
1768 const Rect *monitor;
1769 Rect on_current_monitor;
1773 monitor = screen_physical_area_monitor(i);
1775 if (!RECT_INTERSECTS_RECT(*monitor, *search)) {
1776 /* If we don't intersect then find the distance between the search
1777 rect and the monitor. We'll use the closest monitor from this
1778 metric if none of the monitors intersect. */
1779 guint distance = rect_manhatten_distance(*monitor, *search);
1781 if (distance < closest_distance) {
1782 closest_distance = distance;
1783 closest_distance_index = i;
1788 if (i == config_primary_monitor_index)
1789 continue; /* already did this one */
1791 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1792 area = RECT_AREA(on_current_monitor);
1794 /* remove pixels we already counted on any previous monitors. */
1795 for (it = counted; it; it = g_slist_next(it)) {
1796 RectArithmetic *ra = it->data;
1799 RECT_SET_INTERSECTION(intersection, ra->r, *search);
1800 if (ra->subtract) area -= RECT_AREA(intersection);
1801 else area += RECT_AREA(intersection);
1804 if (area > mostpx) {
1809 /* add the intersection rect on the current monitor I to the counted
1811 but now we need to compensate for every rectangle R already in the
1812 counted list, and add a new rect R' that is the intersection of
1813 R and I, but with the reverse subtraction/addition operation.
1815 for (it = counted; it; it = g_slist_next(it)) {
1816 RectArithmetic *saved = it->data;
1818 if (!RECT_INTERSECTS_RECT(saved->r, on_current_monitor))
1820 /* we are going to subtract our rect from future monitors, but
1821 part of it may already be being subtracted/added, so compensate
1822 to not double add/subtract. */
1823 RectArithmetic *reverse = g_slice_new(RectArithmetic);
1824 RECT_SET_INTERSECTION(reverse->r, saved->r, on_current_monitor);
1825 reverse->subtract = !saved->subtract;
1826 /* prepend so we can continue thru the list uninterupted */
1827 counted = g_slist_prepend(counted, reverse);
1830 RectArithmetic *ra = g_slice_new(RectArithmetic);
1831 ra->r = on_current_monitor;
1832 ra->subtract = TRUE;
1833 counted = g_slist_prepend(counted, ra);
1838 g_slice_free(RectArithmetic, counted->data);
1839 counted = g_slist_delete_link(counted, counted);
1842 if (mostpx_index < screen_num_monitors)
1843 return mostpx_index;
1845 g_assert(closest_distance_index < screen_num_monitors);
1846 return closest_distance_index;
1849 const Rect* screen_physical_area_all_monitors(void)
1851 return screen_physical_area_monitor(screen_num_monitors);
1854 const Rect* screen_physical_area_monitor(guint head)
1856 g_assert(head <= screen_num_monitors);
1858 return &monitor_area[head];
1861 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1863 g_assert(head <= screen_num_monitors);
1865 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1868 guint screen_monitor_active(void)
1870 if (moveresize_client)
1871 return client_monitor(moveresize_client);
1872 else if (focus_client)
1873 return client_monitor(focus_client);
1875 return screen_monitor_pointer();
1878 const Rect* screen_physical_area_active(void)
1880 return screen_physical_area_monitor(screen_monitor_active());
1883 guint screen_monitor_primary(gboolean fixed)
1885 if (config_primary_monitor_index > 0) {
1886 if (config_primary_monitor_index-1 < screen_num_monitors)
1887 return config_primary_monitor_index - 1;
1893 else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
1894 return screen_monitor_active();
1895 else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
1896 return screen_monitor_pointer();
1899 const Rect* screen_physical_area_primary(gboolean fixed)
1901 return screen_physical_area_monitor(screen_monitor_primary(fixed));
1904 void screen_set_root_cursor(void)
1906 if (sn_app_starting())
1907 XDefineCursor(obt_display, obt_root(ob_screen),
1908 ob_cursor(OB_CURSOR_BUSY));
1910 XDefineCursor(obt_display, obt_root(ob_screen),
1911 ob_cursor(OB_CURSOR_POINTER));
1914 guint screen_find_monitor_point(guint x, guint y)
1917 RECT_SET(mon, x, y, 1, 1);
1918 return screen_find_monitor(&mon);
1921 guint screen_monitor_pointer()
1924 if (!screen_pointer_pos(&x, &y))
1926 return screen_find_monitor_point(x, y);
1929 gboolean screen_pointer_pos(gint *x, gint *y)
1936 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1937 &w, &w, x, y, &i, &i, &u);
1939 for (i = 0; i < ScreenCount(obt_display); ++i)
1941 if (XQueryPointer(obt_display, obt_root(i),
1942 &w, &w, x, y, &i, &i, &u))
1948 gboolean screen_compare_desktops(guint a, guint b)
1950 if (a == DESKTOP_ALL)
1952 if (b == DESKTOP_ALL)
1957 void screen_apply_gravity_point(GravityPoint *position, gint *x, gint *y,
1958 const Rect *area, gint width, gint height)
1960 if (position->x.center)
1961 *x = area->width / 2 - width / 2;
1963 *x = position->x.pos;
1964 if (position->x.denom)
1965 *x = (*x * area->width) / position->x.denom;
1966 if (position->x.opposite)
1967 *x = area->width - width - *x;
1970 if (position->y.center)
1971 *y = area->height / 2 - height / 2;
1973 *y = position->y.pos;
1974 if (position->y.denom)
1975 *y = (*y * area->height) / position->y.denom;
1976 if (position->y.opposite)
1977 *y = area->height - height - *y;